CN103693529A - Pneumatic vacuum elevator - Google Patents

Pneumatic vacuum elevator Download PDF

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Publication number
CN103693529A
CN103693529A CN201310039588.7A CN201310039588A CN103693529A CN 103693529 A CN103693529 A CN 103693529A CN 201310039588 A CN201310039588 A CN 201310039588A CN 103693529 A CN103693529 A CN 103693529A
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CN
China
Prior art keywords
car
connecting rod
pneumatic vacuum
enclosure
brake
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Pending
Application number
CN201310039588.7A
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Chinese (zh)
Inventor
张玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU TIANSUO ELEVATOR Co Ltd
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SUZHOU TIANSUO ELEVATOR Co Ltd
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Application filed by SUZHOU TIANSUO ELEVATOR Co Ltd filed Critical SUZHOU TIANSUO ELEVATOR Co Ltd
Priority to CN201310039588.7A priority Critical patent/CN103693529A/en
Publication of CN103693529A publication Critical patent/CN103693529A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a pneumatic vacuum elevator, which comprises an outer compartment and a lift car arranged in the outer compartment in a sliding mode, wherein the outer side of the lift car is sheathed with an elastic seal ring; the external diameter of the seal ring is less than the internal diameter of the outer compartment; the outer compartment is divided into an upper air chamber and a lower air chamber which are not communicated by the seal ring; the upper end of the upper air chamber is provided with an upper air inlet hole and a vent hole; the outer side of the air inlet hole is covered by a valve; the outer end of the vent hole is connected with a suction device; the side wall of the lower air chamber is provided with a lower air inlet hole. According to the pneumatic vacuum elevator disclosed by the invention, pressure difference formed between the upper air chamber and the lower air chamber is used for driving the lift car to lift, and the self weight of the lift car and the action of a brake device are combined to guarantee that the lift car is lowered at a stable speed. The pneumatic vacuum elevator disclosed by the invention has the advantages of simple structure, convenience in assembling, low maintenance cost, light weight and low energy source consumption.

Description

Pneumatic vacuum elevator
Technical field
The present invention relates to a kind of elevator, be specifically related to a kind of Pneumatic vacuum elevator.
Background technology
The elevator of knowing is the most elevator, is one and has the extraordinary car that holds to carry device along invariable vertical guide rail, between different level, makees the power-actuated elevator machinery of using of intermittent moment.Mainly by towing machine (winch), guide rail, counterweight, safety device (as velocity limiter, safety tongs and energy disperser etc.), signal manipulation system, car and Room door etc., formed.These parts are arranged on respectively in the hoistway and machine room of building.Conventionally adopt Wire Friction Driving, steel rope is walked around traction sheave, and two ends connect respectively car and counterbalanced weight, and direct motor drive traction sheave makes car lifting.As Chinese invention patent CN100358792C discloses a kind of elevator, comprising: car, it is suspended in an elevator, and is provided with cage side pulley; Counterweight, it is suspended in elevator, and is provided with a counterweight side roller; Angle pulley, in elevator, it is positioned at the top of counterweight; The first upper sheave and the second upper sheave, they are disposed in the top of elevator; And main rope, it walks around the first upper sheave and the second upper sheave, main rope has a first, it walks around cage side pulley, and its first end is tied on a fixed sturcture on elevator top admittedly, main rope has a second portion, and it walks around counterweight side roller and angle pulley in counterweight successively, and its second end is tied in counterweight admittedly.The present invention utilizes the cooperation between main rope and each pulley, realizes the up-and-down movement of car in elevator.But there is following shortcoming in the present invention: (1) part is many, complex structure; (2) main rope, pulley, counterweight etc. all need frequent inspection and maintenance, and maintenance cost is high; (3) each parts all adopt metallic material, and weight is larger, are not easy to transportation and assembling; (4) heavy car is driven by electrical motor, and energy resource consumption is large.
Summary of the invention
The object of the invention is to provide a kind of Pneumatic vacuum elevator, simple in structure, easy to assembly, maintenance cost is low, lightweight, energy resource consumption is low.
For achieving the above object, the technical solution used in the present invention is: a kind of Pneumatic vacuum elevator, comprise enclosure, be slidedly arranged on the car in this enclosure, the outside of described car is arranged with elastic seal ring, the external diameter of sealing circle is less than the internal diameter of enclosure, and described enclosure is divided into two disconnected upper and lower air chambers by sealing circle;
The upper end of described upper chamber is provided with enterprising pore and deflation hole, and the outboard cover of this enterprising pore is provided with valve, and the outer end of described deflation hole is connected with aspirator system;
On the sidewall of described lower chamber, offer lower induction opening.
Such scheme utilizes aspirator system that the gas in upper chamber is passed through to deflation hole sucking-off, upper chamber internal gas pressure reduces, and lower chamber is due to the existence of lower induction opening, it in lower chamber, is barometric pressure always, when the air pressure in upper chamber is reduced to certain value, car can rise under the effect of upper and lower pressure reduction.Such as, when the air pressure in upper chamber is reduced to 30g/cm 2time, the suction that now car upper end is subject to is 358kg, is enough to promote 3 or a plurality of people in car and cab.If want, promote heavier article, can continue to reduce the air pressure in upper chamber, until meet the demands.
In technique scheme, on described enclosure, be provided with vertically a plurality of doorframes, on each doorframe, be hinged with Yishanmen, and between outward flange and the doorframe of door, wedge-type seal is connected.
In technique scheme, the side of described car is provided with a car doorframe, in this car doorframe, is provided with car door.
In technique scheme, the top of described car is provided with the mechanical lock device that mechanical lock actuating device is relative with two, each mechanical lock device is comprised of linkage rod group and tapered end, one end of described linkage rod group drives and is connected with mechanical lock actuating device, its other end and tapered end are hinged, and the nearly linkage rod group end of described tapered end is fixed with clump weight;
The madial wall of described enclosure is provided with plural number to the fore shaft being oppositely arranged, and described tapered end is detachable to be inserted in described fore shaft.
By said structure, when car moves up and down in enclosure, tapered end is separated with fore shaft; When car is when each floor is static with respect to enclosure, tapered end inserts in fore shaft, guarantees the safety of car.
In technique scheme, the top of described car is provided with brake gear, this brake gear is comprised of drive division and two brake portions, described drive division comprises the accordion partition of hollow and is fixed on the pilot bar of this accordion partition top, the upper surface of described car is provided with cavity, the lower end of described accordion partition is sealedly attached in cavity, and the inner space of described accordion partition is communicated with cab interior by being located at the pore of this cavity bottom;
Described in each, brake portion is comprised of brake connecting rod group and brake facing, wherein described in one brake connecting rod group by connecting rod, connecting rod with connecting rod one is point articulated forms, one end and the pilot bar of described connecting rod are hinged, one end and the brake facing of described connecting rod are hinged, one end of described connecting rod and the crossbeam sliding block joint that is fixed on car top;
Described in another, brake connecting rod group is by connecting rod, connecting rod with connecting rod one is point articulated forms, and one end and the pilot bar of described connecting rod are hinged, and one end and the brake facing of described connecting rod are hinged, one end of described connecting rod and the crossbeam sliding block joint that is fixed on car top.
By said structure, when car rises, because the air pressure in upper chamber is lower than the barometric pressure in car, accordion partition expands under the effect of pressure reduction, orders about brake facing away from enclosure inside face, and brake gear is not worked;
When cage descending, be covered on the valve open on enterprising pore, gas flows into upper chamber, air pressure in upper chamber and the air pressure in car maintain an equal level, now accordion partition shrinks automatically, order about brake facing and enclosure inside face wipe contact, guarantee the not understanding outer decline of car, optimum effect is to guarantee that car is with the speed uniform descent of 1m/s.
In technique scheme, described aspirator system arranges away from described Pneumatic vacuum elevator, and described aspirator system utilizes freeing pipe to be connected with described deflation hole, forms the pneumatic vacuum rising of divergence type and falls machine.By said structure, noise during aspirator system running can not heard by the passenger in elevator, meets noiselessness job requirement.
Further technical scheme, described enclosure is tightly connected and is formed by 4 sections of cylindrical transparent tube bodies, and each section of described body is provided with described doorframe and door, and described in each, the top of door is provided with a pair of described fore shaft.
In technique scheme, the inner side of described enclosure is provided with an axial guidance, and the outside of described car is provided with U-shaped chute corresponding to the position of guide rail.
In technique scheme, the top of described door is provided with jack, is slidably equipped with accordingly latch on described doorframe, and described latch is inserted in jack.
In technique scheme, the inner side of described car is provided with floor call button and scram button, and described floor call button is all connected with control circuit with scram button; The side of described doorframe is provided with knob down.
Further technical scheme, each section of described body is tightly connected and formed by 4 1/4 arc plates.
In technique scheme, described door is provided with handle and inspection door.
In technique scheme, described car door is provided with sighthole.
Further technical scheme, described car door is sliding door.
Further technical scheme, described car is cylindrical box.
In technique scheme, described valve is connected with a magnet control.
Preferably, described mechanical lock actuating device is electromagnet, and one end of described linkage rod group is slidedly arranged in mechanical lock actuating device.
Because technique scheme is used, the advantage that the present invention compared with prior art has is:
1. the present invention is established and is formed by enclosure and car cunning, the pressure differential car that utilization is formed between upper and lower air chamber rises, and guarantee the decline of car speed stabilizing in conjunction with the effect of car deadweight and brake gear, simple in structure, easy to assembly, maintenance cost is low, lightweight, energy resource consumption is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the structural representation of one section of body in embodiment mono-;
Fig. 3 is the structural representation of car in embodiment mono-;
Fig. 4 is the partial schematic diagram of two adjacent arc plate junctions in embodiment mono-;
Fig. 5 is the partial schematic diagram of two adjacent body junctions in embodiment mono-;
Fig. 6 is structural representation during mechanical lock device mode of operation in embodiment mono-;
Fig. 7 is structural representation during mechanical lock device off working state in embodiment mono-;
Fig. 8 is structural representation during brake gear off working state in embodiment mono-;
Fig. 9 is structural representation during brake gear mode of operation in embodiment mono-;
Wherein: 1, enclosure; 2, car; 21, seal ring; 3, floor; 4, door; 5, handle; 6, inspection door; 7, aspirator system; 8, deflation hole; 9, cavity; 10, enterprising pore; 12, arc plate; 13, arc plate; 14, arc plate; 15, arc plate; 16, screw; 17, seal joint; 18, guide rail; 19, chute; 23, car door; 24, sighthole; 25, lower induction opening; 26, mechanical lock device; 27, brake facing; 28, tapered end; 29, fore shaft; 30, clump weight; 31, linkage rod group; 32, electromagnet; 33, jack; 35, accordion partition; 36, pore; 37, pilot bar; 38, connecting rod; 39, connecting rod; 40, connecting rod; 41, connecting rod; 42, connecting rod; 43, connecting rod; 44, upper knob down; 45, floor call button; 46, scram button.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-: shown in Fig. 1, Fig. 3, a kind of Pneumatic vacuum elevator, comprise enclosure 1, be slidedly arranged on the car 2 in this enclosure 1, the outside of described car 2 is arranged with elastic seal ring 21, the external diameter of sealing circle 21 is less than the internal diameter of enclosure 1, the thickness of seal ring 21 is compressed between enclosure 1 and car 2, and described enclosure 1 is divided into two disconnected upper and lower air chambers by sealing circle 21.
The upper end of described upper chamber is provided with enterprising pore 10 and deflation hole 8, and the outboard cover of this enterprising pore 10 is provided with valve 11, utilizes the switching of a magnet control valve 11.
The outer end of described deflation hole 8 is connected with aspirator system 7, and according to the installation site of aspirator system 7, Pneumatic vacuum elevator can be divided into one-piece type and two kinds of structures of divergence type, and wherein the aspirator system 7 of one-piece type Pneumatic vacuum elevator is directly installed on the top of elevator; And the pneumatic vacuum rising of divergence type falls the aspirator system 7 of machine away from elevator setting, utilize freeing pipe to be connected with deflation hole 8, noise during aspirator system running can not heard by the passenger in elevator, meets noiselessness job requirement.
On the sidewall of described lower chamber, offer lower induction opening 25, thereby the pressure in lower chamber is bar pressure always.
Such scheme utilizes aspirator system that the gas in upper chamber is passed through to deflation hole sucking-off, upper chamber internal gas pressure reduces, and lower chamber is due to the existence of lower induction opening, it in lower chamber, is barometric pressure always, when the air pressure in upper chamber is reduced to certain value, car can rise under the effect of upper and lower pressure reduction.Such as, when the air pressure in upper chamber is reduced to 30g/cm 2time, the suction that now car upper end is subject to is 358kg, is enough to promote 3 or a plurality of people in car and cab.If want, promote heavier article, can continue to reduce the air pressure in upper chamber, until meet the demands.
As shown in Figure 2, the inner side of described enclosure 1 is provided with an axial guidance 18, and the outside of described car 2 is provided with U-shaped chute 19 corresponding to the position of guide rail 18, prevents from turning on one's side in the upper and lower operational process of car.
As shown in Figure 1, described enclosure 1 is tightly connected and is formed by the transparent tube body cylindrical, that inside face is smooth of 4 segment length 3m, internal diameter 1234mm, every section of described body is provided with doorframe, on each doorframe, utilize hinge to be hinged with Yishanmen 4, and between door 4 outward flange and doorframe, wedge-type seal is connected, thereby guaranteeing the sealing of enclosure, to form pressure reduction between upper and lower air chamber, is the requisite structure of this Pneumatic vacuum elevator.
Described door 4 is provided with handle 5 and inspection door 6, the opening and the maintenance of elevator of convenient door.
The top of described door 4 is provided with jack 33, sees Fig. 2, is slidably equipped with accordingly latch on described doorframe, and described latch is inserted in jack 33, guarantees that, in cage operation process, door is closed all the time.
In the present embodiment, every section of described body is tightly connected and is formed by the fiber reinforced epoxy resin plate of 4 1/4 circular arcs, 4 1/4 circular arcs are respectively arc plate 12, arc plate 13, arc plate 14 and arc plate 15, as shown in Fig. 2, Fig. 4 and Fig. 5, two sections of adjacent bodys and two adjacent arc plates all utilize screw 16 and seal joint 17 to be tightly connected.
As shown in Figure 3, described car 2 is cylindrical envelope, and its side is provided with a car doorframe, is provided with the car door 23 of slippage in this car doorframe, and described car door 23 is provided with sighthole 24, and lower chamber and cab interior can utilize this sighthole 24 to realize gas communication.
As shown in Figure 6 and Figure 7, the top of described car 2 is one-body molded cavity 9, in this cavity 9, be provided with the mechanical lock device 26 that electromagnet 32 is relative with two, each mechanical lock device is comprised of linkage rod group 31 and tapered end 28, one end of described linkage rod group 31 is slidedly arranged in electromagnet 32, its other end and tapered end 28 are hinged, and nearly linkage rod group 31 ends of described tapered end 28 are fixed with clump weight 30.
The madial wall of described enclosure 1 is provided with 4 pairs of fore shafts 29 that are positioned at doorframe top, are oppositely arranged, and described tapered end 28 is detachable to be inserted in described fore shaft 29.
By said structure, when car moves up and down in enclosure, tapered end is separated with fore shaft; When car is when each floor is static with respect to enclosure, tapered end inserts in fore shaft, guarantees the safety of car.
In the cavity 9 of described car 2 tops, be also provided with brake gear, see Fig. 8 and Fig. 9, this brake gear is comprised of drive division and two brake portions, described drive division comprises the accordion partition 35 of hollow and is fixed on the pilot bar 37 of these accordion partition 35 tops, the upper surface of described car 2 is provided with cavity, the lower end of described accordion partition 35 is sealedly attached in cavity, and the inner space of described accordion partition 35 is by being located at the pore 36 and car 2 internal communication of this cavity bottom.
Described in each, brake portion is comprised of brake connecting rod group and brake facing 27, wherein described in one brake connecting rod group by connecting rod 39, connecting rod 41 with connecting rod 43 1 is point articulated forms, one end of described connecting rod 39 and pilot bar 37 are hinged, one end of described connecting rod 43 and brake facing 27 are hinged, one end of described connecting rod 41 and the crossbeam sliding block joint that is fixed on car 2 tops.
Described in another, brake connecting rod group is by connecting rod 38, connecting rod 40 with connecting rod 42 1 is point articulated forms, one end of described connecting rod 38 and pilot bar 37 are hinged, one end of described connecting rod 42 and brake facing 27 are hinged, one end of described connecting rod 40 and the crossbeam sliding block joint that is fixed on car 2 tops.
By said structure, when car rises, because the air pressure in upper chamber is lower than the barometric pressure in car, accordion partition expands under the effect of pressure reduction, orders about brake facing away from enclosure inside face, and brake gear is not worked;
When cage descending, be covered on the valve open on enterprising pore, gas flows into upper chamber, air pressure in upper chamber and the air pressure in car maintain an equal level, now accordion partition shrinks automatically, order about brake facing and enclosure inside face wipe contact, guarantee the not understanding outer decline of car, optimum effect is to guarantee that car is with the speed uniform descent of 1m/s.
As shown in Figure 3, the inner side of described car 2 is provided with floor call button 45 and scram button 46, and described floor call button 45 is all connected with control circuit with scram button 46.
The side of described doorframe is provided with knob down 44.
On described control circuit, be connected with switch and adaptor union, this adaptor union is located between enclosure 1 and car 2, and adaptor union is communicated with when door 4 is closed, and when any Yishanmen 4 is opened, disconnects.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. a Pneumatic vacuum elevator, comprise enclosure (1), be slidedly arranged on the car (2) in this enclosure (1), it is characterized in that: the outside of described car (2) is arranged with elastic seal ring (21), the external diameter of sealing circle (21) is less than the internal diameter of enclosure (1), and described enclosure (1) is divided into two disconnected upper and lower air chambers by sealing circle (21);
The upper end of described upper chamber is provided with enterprising pore (10) and deflation hole (8), and the outboard cover of this enterprising pore (10) is provided with valve (11), and the outer end of described deflation hole (8) is connected with aspirator system (7);
On the sidewall of described lower chamber, offer lower induction opening (25).
2. Pneumatic vacuum elevator according to claim 1, it is characterized in that: described enclosure is provided with a plurality of doorframes on (1) vertically, on each doorframe, be hinged with Yishanmen (4), and between outward flange and the doorframe of door (4), wedge-type seal is connected.
3. Pneumatic vacuum elevator according to claim 1, is characterized in that: the side of described car (2) is provided with a car doorframe, is provided with car door (23) in this car doorframe.
4. Pneumatic vacuum elevator according to claim 1, it is characterized in that: the top of described car (2) is provided with the mechanical lock device (26) that mechanical lock actuating device (32) is relative with two, each mechanical lock device is comprised of linkage rod group (31) and tapered end (28), one end of described linkage rod group (31) drives and is connected with mechanical lock actuating device (32), its other end and tapered end (28) are hinged, and nearly linkage rod group (31) end of described tapered end (28) is fixed with clump weight (30);
The madial wall of described enclosure (1) is provided with plural number to the fore shaft being oppositely arranged (29), and described tapered end (28) is detachable to be inserted in described fore shaft (29).
5. Pneumatic vacuum elevator according to claim 1, it is characterized in that: the top of described car (2) is provided with brake gear, this brake gear is comprised of drive division and two brake portions, described drive division comprises the accordion partition (35) of hollow and is fixed on the pilot bar (37) of this accordion partition (35) top, the upper surface of described car (2) is provided with cavity, the lower end of described accordion partition (35) is sealedly attached in cavity, and the inner space of described accordion partition (35) is by being located at the pore (36) and car (2) internal communication of this cavity bottom;
Described in each, brake portion is comprised of brake connecting rod group and brake facing (27), wherein described in one brake connecting rod group by connecting rod (39), connecting rod (41) and connecting rod (43) one point articulated forming, one end of described connecting rod (39) and pilot bar (37) are hinged, one end of described connecting rod (43) and brake facing (27) are hinged, one end of described connecting rod (41) and the crossbeam sliding block joint that is fixed on car (2) top;
Described in another, brake connecting rod group is by connecting rod (38), connecting rod (40) and connecting rod (42) one point articulated forming, one end of described connecting rod (38) and pilot bar (37) are hinged, one end of described connecting rod (42) and brake facing (27) are hinged, one end of described connecting rod (40) and the crossbeam sliding block joint that is fixed on car (2) top.
6. Pneumatic vacuum elevator according to claim 1, is characterized in that: described aspirator system (7) arranges away from described Pneumatic vacuum elevator, and described aspirator system (7) utilizes freeing pipe to be connected with described deflation hole (8).
7. according to the Pneumatic vacuum elevator described in any one in claim 1,2 or 4, it is characterized in that: described enclosure (1) is tightly connected and is formed by 4 sections of cylindrical transparent tube bodies, each section of described body is provided with described doorframe and door (4), and described in each, the top of door (4) is provided with a pair of described fore shaft (29).
8. Pneumatic vacuum elevator according to claim 1, it is characterized in that: the inner side of described enclosure (1) is provided with an axial guidance (18), the outside of described car (2) is provided with U-shaped chute (19) corresponding to the position of guide rail (18).
9. Pneumatic vacuum elevator according to claim 2, is characterized in that: the top of described door (4) is provided with jack (33), is slidably equipped with accordingly latch on described doorframe, and described latch is inserted in jack (33).
10. Pneumatic vacuum elevator according to claim 1, it is characterized in that: the inner side of described car (2) is provided with floor call button (45) and scram button (46), described floor call button (45) is all connected with control circuit with scram button (46);
The side of described doorframe is provided with knob down (44).
CN201310039588.7A 2013-02-01 2013-02-01 Pneumatic vacuum elevator Pending CN103693529A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085759A (en) * 2014-07-02 2014-10-08 苏州天梭电梯有限公司 Hybrid power elevator and working method thereof
CN104401851A (en) * 2014-11-25 2015-03-11 昆山通祐电梯有限公司 Multi-layer vacuum pneumatic elevator
CN107352358A (en) * 2017-07-19 2017-11-17 苏州天梭电梯有限公司 Elevator frame
CN109399427A (en) * 2017-08-17 2019-03-01 深圳市重力悟空聚能技术开发有限公司 A kind of vertical goods elevator of energy-saving air formula
CN112478989A (en) * 2020-11-30 2021-03-12 张鹏 Pressure difference lifting manned system
WO2021245537A1 (en) * 2020-06-02 2021-12-09 Killakathu Ramanathan Babu Overload valve assembly for a pneumatic vacuum elevator
EP4178899A4 (en) * 2020-07-09 2023-11-15 Blissera Corp. Hoistway mechanics of panoramic vacuum elevator

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US4023500A (en) * 1975-10-23 1977-05-17 Diggs Richard E High-speed ground transportation system
CN86210223U (en) * 1986-11-13 1987-11-18 吴连才 Pneumatic elevator
US4997060A (en) * 1990-03-05 1991-03-05 Sassak John J Apparatus for controlling the descent of a passenger carrying body
US5583326A (en) * 1992-01-08 1996-12-10 Sors Carlos Alberto Pneumatic elevator by depressure
CN1291585A (en) * 1999-05-27 2001-04-18 安色莫约翰·马奇 Pneumatic type hoist
CN102070060A (en) * 2010-12-27 2011-05-25 何建中 Elevator using compressed air as thrust
CN203199847U (en) * 2013-02-01 2013-09-18 张玲 Pneumatic vacuum elevator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023500A (en) * 1975-10-23 1977-05-17 Diggs Richard E High-speed ground transportation system
CN86210223U (en) * 1986-11-13 1987-11-18 吴连才 Pneumatic elevator
US4997060A (en) * 1990-03-05 1991-03-05 Sassak John J Apparatus for controlling the descent of a passenger carrying body
US5583326A (en) * 1992-01-08 1996-12-10 Sors Carlos Alberto Pneumatic elevator by depressure
CN1291585A (en) * 1999-05-27 2001-04-18 安色莫约翰·马奇 Pneumatic type hoist
CN102070060A (en) * 2010-12-27 2011-05-25 何建中 Elevator using compressed air as thrust
CN203199847U (en) * 2013-02-01 2013-09-18 张玲 Pneumatic vacuum elevator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085759A (en) * 2014-07-02 2014-10-08 苏州天梭电梯有限公司 Hybrid power elevator and working method thereof
CN104085759B (en) * 2014-07-02 2016-06-08 苏州天梭电梯有限公司 Working method of hybrid power elevator
CN104401851A (en) * 2014-11-25 2015-03-11 昆山通祐电梯有限公司 Multi-layer vacuum pneumatic elevator
CN104401851B (en) * 2014-11-25 2017-02-01 昆山通祐电梯有限公司 Multi-layer vacuum pneumatic elevator
CN107352358A (en) * 2017-07-19 2017-11-17 苏州天梭电梯有限公司 Elevator frame
CN109399427A (en) * 2017-08-17 2019-03-01 深圳市重力悟空聚能技术开发有限公司 A kind of vertical goods elevator of energy-saving air formula
WO2021245537A1 (en) * 2020-06-02 2021-12-09 Killakathu Ramanathan Babu Overload valve assembly for a pneumatic vacuum elevator
EP4178899A4 (en) * 2020-07-09 2023-11-15 Blissera Corp. Hoistway mechanics of panoramic vacuum elevator
CN112478989A (en) * 2020-11-30 2021-03-12 张鹏 Pressure difference lifting manned system

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Application publication date: 20140402