CN117262950B - Safety elevator with landing buffer function - Google Patents
Safety elevator with landing buffer function Download PDFInfo
- Publication number
- CN117262950B CN117262950B CN202311558017.4A CN202311558017A CN117262950B CN 117262950 B CN117262950 B CN 117262950B CN 202311558017 A CN202311558017 A CN 202311558017A CN 117262950 B CN117262950 B CN 117262950B
- Authority
- CN
- China
- Prior art keywords
- clamping
- friction
- lifting box
- buffer
- air bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 108010066114 cabin-2 Proteins 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/282—Structure thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a safety elevator with a landing buffer function, and relates to the technical field of elevators; the lifting device comprises a guide rail and a lifting box, wherein a speed detector is arranged at the top of the lifting box and used for detecting the falling speed of the lifting box; the bottom of the lifting box is provided with a first buffer piece, and the bottom of the guide rail is provided with a second buffer piece for buffering falling impact of the elevator; friction pieces are respectively arranged on two sides of the lifting box, each friction piece comprises a mounting frame which is arranged on the side face of the lifting box in a sliding manner, linear array clamping pieces are arranged on the mounting frames, and friction plates are detachably arranged on the clamping pieces and used for friction deceleration; the two sides of the lifting box are respectively provided with a replacement piece for disassembling the friction plate; the friction plate is convenient for operators to replace regularly; according to the invention, in an emergency, the speed reduction can be realized by friction, and the safety performance of the elevator is improved by combining the air bag buffering and the friction speed reduction effect.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a safety elevator with a landing buffer function.
Background
An elevator is a transportation tool in a building, brings convenience to the life of people, and the current elevator structure comprises a traction system, a guide system, a car, a door system, a weight balance system, an electric traction system, an electric control system and a safety protection system; the prior elevator is not provided with safety measures for coping with emergency, for example, serious accidents can be caused when the elevator suddenly falls down; in the prior art, for example, chinese patent with bulletin number CN106800230B discloses a high-safety elevator, which has the following technical scheme: an arch buffer plate is arranged at the bottom of the hoistway, a buffer air bag is arranged on the upper surface of the arch buffer plate, a plurality of buffer rubber strips are uniformly distributed at the bottom of the car, and the car is buffered through the arch buffer plate, so that a safety protection effect is achieved; but the elevator falls from the high place, has the gravity acceleration, simply relies on the buffering of bottom, and the very difficult effective whereabouts impact of guaranteeing obtains the buffering, based on this, the inventor provides a can be under emergency with the security elevator of friction realization speed reduction, combines gasbag buffering and friction deceleration action, improves the security performance of elevator.
Disclosure of Invention
Aiming at the technical problems, the elevator can realize deceleration by friction under emergency conditions, and the safety performance of the elevator is improved by combining the effects of air bag buffering and friction deceleration.
The technical scheme adopted by the invention is as follows: the safety elevator with the landing buffering function comprises a guide rail and an elevator cabin, wherein a speed detector is arranged at the top of the elevator cabin and used for detecting the falling speed of the elevator cabin; the bottom of the lifting box is provided with a first buffer piece, the first buffer piece comprises a first buffer plate which is slidably arranged at the bottom of the lifting box, and a first spring is connected between the first buffer plate and the bottom of the lifting box; the first buffer piece further comprises an air bag installation cylinder I arranged at the bottom of the lifting cabin, and an air bag I is arranged in the air bag installation cylinder I; the bottom of the guide rail is provided with a second buffer member, the second buffer member comprises a second buffer plate which is arranged at the bottom end of the guide rail in a sliding manner, a second spring is connected between the second buffer plate and the bottom end of the guide rail, the second buffer member also comprises a second air bag installation cylinder which is arranged at the bottom end of the guide rail, and an air bag is arranged in the second air bag installation cylinder; friction pieces are respectively arranged on two sides of the lifting box, each friction piece comprises a mounting frame which is arranged on the side face of the lifting box in a sliding mode, linear array clamping pieces are arranged on the mounting frame, friction plates are detachably arranged on the clamping pieces, clamping shafts are connected to the friction plates, clamping grooves are formed in the clamping shafts, each clamping piece comprises a clamping gear ring which is rotatably arranged on the mounting frame, and a mounting ring which is fixedly arranged on the mounting frame, clamping seats are radially and slidably arranged on the mounting ring, the clamping seats are buckled with the clamping grooves through the clamping seats to fix the friction plates, arc rods are connected to the clamping gear rings, and the clamping seats are pushed through the extrusion of the arc rods so that the clamping seats are free from fixing the friction plates; the two sides of the lifting box are respectively provided with a replacement piece for disassembling the friction plate; the replacement part comprises a transfer belt arranged on the side face of the lifting cabin, a transfer seat is fixedly connected to the transfer belt, a replacement first electric cylinder is arranged on the transfer seat, a clamping part is arranged on a telescopic rod of the replacement first electric cylinder, and the clamping part clamps the clamping shaft to detach and replace the friction plate.
Further, the first buffer piece comprises first inflation equipment arranged on the lifting box, and the first inflation equipment is communicated with the first air bag installation cylinder through an air pipe so as to inflate the first air bag.
Further, the second buffer part comprises a second inflation device arranged at the bottom of the guide rail, and the second inflation device is communicated with the second air bag installation cylinder through an air pipe so as to inflate the second air bag.
Further, the friction piece comprises a pushing electric cylinder fixedly arranged on the side face of the lifting cabin, the pushing electric cylinder is used for pushing the mounting frame to slide, a spring which is used for providing elasticity is connected between the mounting frame and the side face of the lifting cabin, and the friction piece is contacted with the side face of the guide rail through a friction plate so as to conduct friction deceleration.
Further, the replacing piece comprises a belt motor arranged at the top of the lifting box, and the belt motor is used for driving the transfer belt; the clamping piece comprises a second replacement electric cylinder connected to the first replacement electric cylinder telescopic rod, a replacement frame is connected to the second replacement electric cylinder telescopic rod, an electromagnetic clamping seat is arranged on the replacement frame in a sliding mode, and the clamping shaft is clamped through the electromagnetic clamping seat so as to detach and replace the friction plate.
Further, the clamping piece comprises a rack electric cylinder fixedly arranged on the mounting frame and a rack slidably arranged on the mounting frame, the rack electric cylinder is used for controlling the rack to slide, and the rack and the clamping tooth ring form a gear pair.
Further, one end of the clamping seat is connected with an extrusion wheel, and the arc rod is used for controlling the clamping seat to slide radially by pushing the extrusion wheel; the clamping seat is sleeved with a clamping spring for providing elasticity.
Further, one end of the clamping shaft is provided with a chamfer, and one end face of the clamping seat is also provided with a chamfer.
Compared with the prior art, the invention has the beneficial effects that: (1) According to the invention, when the abnormal falling speed of the lifting box is detected, namely, the lifting box accidentally and rapidly slides down, the first inflation equipment works, and the first air bag is inflated through the first air pipe to expand; meanwhile, the second air charging equipment works, and the second air bag is inflated through the second air pipe, so that the second air bag is inflated; when the floor is on the ground, the first air bag contacts with the second air bag to realize buffering; meanwhile, the first buffer plate is contacted with the second buffer plate, so that buffering is realized, and the buffering effect is enhanced by combining the springs and the air bags; (2) In the invention, when abnormal sliding is detected, the electric cylinder is pushed to push the mounting frame to move, so that the friction plate is contacted with the side surface of the guide rail, the friction speed reduction effect is achieved, and the friction is combined, so that the speed reduction effect is improved; (3) In the invention, the friction loss on the surface of the friction plate needs to be replaced periodically; the friction plate is positioned on the side face of the lifting box and is inconvenient to replace, and the friction plate is detached and transferred to the top of the lifting box through the replacing piece so as to be convenient for an operator to replace.
Drawings
Fig. 1 is a schematic front projection view of the whole structure of the present invention.
Fig. 2 is a schematic side view of the overall structure of the present invention.
Fig. 3 is a schematic view of the installation of the replacement part of the present invention.
Fig. 4 is an enlarged view of the invention at the a mark in fig. 2.
Fig. 5 is a schematic view of a friction member and a replacement member of the present invention.
FIG. 6 is a schematic view of a friction member according to the present invention.
Fig. 7 is a schematic view of the clamping member of the present invention.
FIG. 8 is a schematic view of a friction plate of the present invention.
Reference numerals: 1-a guide rail; 2-lifting the cabin; 3-a speed detector; 4-buffer plate I; 5-spring one; 6, an air bag mounting cylinder I; 7-first air bag; 8-a second buffer plate; 9-a second spring; 10, an air bag mounting cylinder II; 11-an air bag II; 12-trachea one; 1201-inflation device one; 13-inflating device II; 14-trachea two; 15-a transfer belt; 16-belt motor; 17-a spring; 18-mounting frame; 19-pushing an electric cylinder; 20-friction plate; 21-a transfer stand; 22-replacing the first electric cylinder; 23-replacing the rack; 2301-replacement of the second electric cylinder; 24-an electromagnetic clamping seat; 25-racks; 26-a rack electric cylinder; 27-clamping a shaft; 2701-clamping groove; 28-a mounting ring; 29-clamping the gear ring; 30-arc rod; 31-pressing wheels; 32-clamping a spring; 33-a clamping seat.
Detailed Description
The invention is described in detail below with reference to the attached drawings: as shown in fig. 1 to 8, a safety elevator with a landing buffer function comprises a guide rail 1 and an elevator cabin 2, wherein a speed detector 3 is arranged at the top of the elevator cabin 2 and used for detecting the falling speed of the elevator cabin 2; the bottom of the lifting box 2 is provided with a first buffer piece, the first buffer piece comprises a first buffer plate 4 which is slidably arranged at the bottom of the lifting box 2, and a first spring 5 is connected between the first buffer plate 4 and the bottom of the lifting box 2; the first buffer part also comprises an air bag installation cylinder I6 arranged at the bottom of the lifting box 2, and an air bag I7 is arranged in the air bag installation cylinder I6; the first buffer member includes an inflator 1201 provided in the lift car 2, and the inflator 1201 communicates with the first air bag mounting tube 6 via an air pipe 12 to inflate the first air bag 7.
The bottom of the guide rail 1 is provided with a second buffer member, the second buffer member comprises a second buffer plate 8 which is arranged at the bottom end of the guide rail 1 in a sliding manner, a second spring 9 is connected between the second buffer plate 8 and the bottom end of the guide rail 1, the second buffer member also comprises a second air bag installation cylinder 10 which is arranged at the bottom end of the guide rail 1, and an air bag 11 is arranged in the second air bag installation cylinder 10; the second buffer part comprises a second inflation device 13 arranged at the bottom of the guide rail 1, and the second inflation device 13 is communicated with the second airbag installation cylinder 10 through a second air pipe 14 so as to inflate the second airbag 11.
Friction pieces are respectively arranged on two sides of the lifting box 2, each friction piece comprises a mounting frame 18 which is arranged on the side face of the lifting box 2 in a sliding manner, linear array clamping pieces are arranged on the mounting frames 18, friction plates 20 are detachably arranged on the clamping pieces, clamping shafts 27 are connected to the friction plates 20, clamping grooves 2701 are formed in the clamping shafts 27, each clamping piece comprises a clamping gear ring 29 which is rotatably arranged on the mounting frame 18, and a mounting ring 28 which is fixedly arranged on the mounting frame 18, clamping seats 33 are radially and slidably arranged on the mounting ring 28, the clamping seats 33 are buckled with the clamping grooves 2701 through the clamping seats 33 to fix the friction plates 20, arc rods 30 are connected to the clamping gear rings 29, and the clamping seats 33 are pushed through the arc rods 30 in a pressing manner so as to enable the clamping seats 33 to release the fixing of the friction plates 20; replacement pieces are respectively arranged on two sides of the lifting box 2 and used for disassembling the friction plate 20; the replacement part comprises a transfer belt 15 arranged on the side face of the lifting box 2, a transfer seat 21 is fixedly connected to the transfer belt 15, a first replacement cylinder 22 is arranged on the transfer seat 21, a clamping part is arranged on a telescopic rod of the first replacement cylinder 22, and the clamping part is used for dismounting and replacing the friction plate 20 through a clamping shaft 27.
The friction piece also comprises a pushing electric cylinder 19 fixedly arranged on the side surface of the lifting box 2, the pushing electric cylinder 19 is used for pushing the mounting frame 18 to slide, a spring 17 which is used for providing elasticity is connected between the mounting frame 18 and the side surface of the lifting box 2, and the friction piece is contacted with the side surface of the guide rail 1 through a friction plate 20 so as to perform friction deceleration; the replacement part also comprises a belt motor 16 arranged at the top of the lifting box 2, and the belt motor 16 is used for driving the transfer belt 15; the clamping piece comprises a second replacement cylinder 2301 connected to the telescopic rod of the first replacement cylinder 22, a replacement frame 23 is connected to the telescopic rod of the second replacement cylinder 2301, an electromagnetic clamping seat 24 is arranged on the replacement frame 23 in a sliding manner, and a clamping shaft 27 is clamped through the electromagnetic clamping seat 24 so as to detach and replace the friction plate 20; the clamping piece further comprises a rack electric cylinder 26 fixedly arranged on the mounting frame 18 and a rack 25 slidably arranged on the mounting frame 18, the rack electric cylinder 26 is used for controlling the rack 25 to slide, and the rack 25 and the clamping tooth ring 29 form a gear pair; one end of the clamping seat 33 is connected with a squeezing wheel 31, and the arc rod 30 controls the clamping seat 33 to slide radially by pushing the squeezing wheel 31; the clamping spring 32 is sleeved on the clamping seat 33 and used for providing elasticity; one end of the clamping shaft 27 is provided with a chamfer, and one end surface of the clamping seat 33 is also provided with a chamfer.
The working principle of the invention is as follows: in the operation of the lift car 2, the speed detector 3 is used for detecting the falling speed of the lift car 2; when the abnormal falling speed of the lifting box 2 is detected, namely, the lifting box 2 accidentally and rapidly slides down, the first air charging device 1201 works, and the first air bag 7 is inflated through the first air pipe 12, so that the first air bag 7 is inflated; meanwhile, the second inflation device 13 works, and the second air bag 11 is inflated through the second air pipe 14, so that the second air bag 11 is inflated; when the floor is on the ground, the first air bag 7 is contacted with the second air bag 11, so that buffering is realized; meanwhile, the first buffer plate 4 is contacted with the second buffer plate 8, so that buffering is realized.
When abnormal sliding is detected, the pushing cylinder 19 pushes the mounting frame 18 to move, so that the friction plate 20 contacts with the side surface of the guide rail 1 to play a role in friction and deceleration; for friction loss on the surface of the friction plate 20, periodic replacement of the friction plate 20 is required; the friction plate 20 is located at the side of the lift car 2 and is not easy to be replaced, so that the friction plate 20 is removed and transferred to the top of the lift car 2 by the replacing member to be replaced by an operator.
During replacement, the belt motor 16 works to enable the transfer belt 15 to move, the transfer belt 15 drives the transfer seat 21 to move, namely, the transfer seat moves along the top and the side of the lifting box 2, when the transfer seat reaches the direction of the target friction plate 20, the first replacement cylinder 22 controls the position of a clamping piece, the second replacement cylinder 2301 controls the replacement frame 23 to move, and the clamping piece clamps the clamping shaft 27 through the electromagnetic clamping seat 24.
For clamping the friction plate 20, the clamping shaft 27 passes through the clamping gear ring 29 and is positioned at the inner side of the clamping seat 33, and the friction plate 20 is fixed by buckling the clamping seat 33 with the clamping groove 2701; when the friction plate 20 needs to be released from being fixed, the rack cylinder 26 controls the rack 25 to move, the clamping gear ring 29 rotates under the gear transmission, the arc rod 30 extrudes and pushes the extrusion wheel 31 so as to enable the extrusion wheel 31 and the clamping seat 33 to slide radially, and the clamping seat 33 is disengaged from the clamping groove 2701; the replacement part transfers the friction plate 20 to the top of the lifting box 2, so that an operator can replace the friction plate 20 conveniently.
Claims (4)
1. The safety elevator with the landing buffering function comprises a guide rail (1) and an elevator cabin (2), wherein a speed detector (3) is arranged at the top of the elevator cabin (2) and used for detecting the falling speed of the elevator cabin (2); the method is characterized in that: the bottom of the lifting box (2) is provided with a first buffer piece, the first buffer piece comprises a first buffer plate (4) which is slidably arranged at the bottom of the lifting box (2), and a first spring (5) is connected between the first buffer plate (4) and the bottom of the lifting box (2); the first buffer part also comprises an air bag installation cylinder I (6) arranged at the bottom of the lifting box (2), and an air bag I (7) is arranged in the air bag installation cylinder I (6); the bottom of the guide rail (1) is provided with a second buffer member, the second buffer member comprises a second buffer plate (8) which is slidably arranged at the bottom end of the guide rail (1), a second spring (9) is connected between the second buffer plate (8) and the bottom end of the guide rail (1), the second buffer member also comprises a second air bag installation cylinder (10) which is arranged at the bottom end of the guide rail (1), and an air bag (11) is arranged in the second air bag installation cylinder (10); friction pieces are respectively arranged on two sides of the lifting box (2), each friction piece comprises a mounting frame (18) which is arranged on the side face of the lifting box (2) in a sliding mode, linear array clamping pieces are arranged on the mounting frames (18), friction plates (20) are detachably arranged on the clamping pieces, clamping shafts (27) are connected to the friction plates (20), clamping grooves (2701) are formed in the clamping shafts (27), each clamping piece comprises a clamping gear ring (29) which is rotatably arranged on the mounting frames (18), and mounting rings (28) which are fixedly arranged on the mounting frames (18), clamping seats (33) are radially and slidably arranged on the mounting rings (28), the friction plates (20) are buckled with the clamping grooves (2701) through the clamping seats (33), arc rods (30) are connected to the clamping gear rings (29), and the clamping seats (33) are pushed through the arc rods (30) in an extrusion mode, so that the clamping seats (33) are released from being fixed on the friction plates (20); the two sides of the lifting box (2) are respectively provided with a replacement piece for disassembling the friction plate (20); the replacing part comprises a transferring belt (15) arranged on the side surface of the lifting box (2), a transferring seat (21) is fixedly connected to the transferring belt (15), a replacing cylinder I (22) is arranged on the transferring seat (21), a clamping part is arranged on a telescopic rod of the replacing cylinder I (22), and the clamping part is used for dismounting and replacing the friction plate (20) through a clamping shaft (27);
the replacing part comprises a belt motor (16) arranged at the top of the lifting box (2), and the belt motor (16) is used for driving the transfer belt (15); the clamping piece comprises a second replacement cylinder (2301) connected to the telescopic rod of the first replacement cylinder (22), a replacement frame (23) is connected to the telescopic rod of the second replacement cylinder (2301), an electromagnetic clamping seat (24) is arranged on the replacement frame (23) in a sliding manner, and a clamping shaft (27) is clamped through the electromagnetic clamping seat (24) so as to detach and replace the friction plate (20);
the clamping piece comprises a rack electric cylinder (26) fixedly arranged on the mounting frame (18) and a rack (25) slidably arranged on the mounting frame (18), the rack electric cylinder (26) is used for controlling the rack (25) to slide, and the rack (25) and the clamping tooth ring (29) form a gear pair;
one end of the clamping seat (33) is connected with an extrusion wheel (31), and the arc rod (30) controls the clamping seat (33) to slide radially by pushing the extrusion wheel (31); a clamping spring (32) is sleeved on the clamping seat (33) and used for providing elasticity;
one end of the clamping shaft (27) is provided with a chamfer, and one end face of the clamping seat (33) is also provided with a chamfer.
2. The safety elevator with landing buffer function according to claim 1, characterized in that: the first buffer piece comprises an inflation device I (1201) arranged on the lifting box (2), and the inflation device I (1201) is communicated with the air bag installation cylinder I (6) through an air pipe I (12) so as to perform inflation operation on the air bag I (7).
3. The safety elevator with landing buffer function according to claim 1, characterized in that: the second buffer part comprises a second inflation device (13) arranged at the bottom of the guide rail (1), and the second inflation device (13) is communicated with the second airbag installation cylinder (10) through a second air pipe (14) so as to inflate the second airbag (11).
4. The safety elevator with landing buffer function according to claim 1, characterized in that: the friction piece comprises a pushing electric cylinder (19) fixedly arranged on the side face of the lifting box (2), the pushing electric cylinder (19) is used for pushing the mounting frame (18) to slide, a spring (17) which is same as the elastic force is connected between the mounting frame (18) and the side face of the lifting box (2), and the friction piece is contacted with the side face of the guide rail (1) through a friction plate (20) so as to conduct friction deceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311558017.4A CN117262950B (en) | 2023-11-22 | 2023-11-22 | Safety elevator with landing buffer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311558017.4A CN117262950B (en) | 2023-11-22 | 2023-11-22 | Safety elevator with landing buffer function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117262950A CN117262950A (en) | 2023-12-22 |
| CN117262950B true CN117262950B (en) | 2024-02-09 |
Family
ID=89201248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311558017.4A Active CN117262950B (en) | 2023-11-22 | 2023-11-22 | Safety elevator with landing buffer function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117262950B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147791A (en) * | 2013-03-18 | 2013-06-12 | 中煤平朔集团有限公司 | Lifting escape capsule |
| CN207581110U (en) * | 2017-12-12 | 2018-07-06 | 张绪红 | A kind of Elevator safety airbag device |
| CN115229880A (en) * | 2022-08-09 | 2022-10-25 | 严剑 | Plastic pipe chamfering device with function of preventing port extrusion deformation |
| CN115258864A (en) * | 2022-08-05 | 2022-11-01 | 中建重庆机械租赁有限公司 | Anti-falling construction elevator |
| CN116553331A (en) * | 2023-06-20 | 2023-08-08 | 安徽日峰机电设备有限公司 | Multistage deceleration buffering and damping mechanism of elevator and method thereof |
| CN219534253U (en) * | 2022-11-29 | 2023-08-15 | 合肥德珑电子科技有限公司 | Current transformer |
-
2023
- 2023-11-22 CN CN202311558017.4A patent/CN117262950B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147791A (en) * | 2013-03-18 | 2013-06-12 | 中煤平朔集团有限公司 | Lifting escape capsule |
| CN207581110U (en) * | 2017-12-12 | 2018-07-06 | 张绪红 | A kind of Elevator safety airbag device |
| CN115258864A (en) * | 2022-08-05 | 2022-11-01 | 中建重庆机械租赁有限公司 | Anti-falling construction elevator |
| CN115229880A (en) * | 2022-08-09 | 2022-10-25 | 严剑 | Plastic pipe chamfering device with function of preventing port extrusion deformation |
| CN219534253U (en) * | 2022-11-29 | 2023-08-15 | 合肥德珑电子科技有限公司 | Current transformer |
| CN116553331A (en) * | 2023-06-20 | 2023-08-08 | 安徽日峰机电设备有限公司 | Multistage deceleration buffering and damping mechanism of elevator and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117262950A (en) | 2023-12-22 |
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