CN114516575B - Unpowered safe self-locking system - Google Patents
Unpowered safe self-locking system Download PDFInfo
- Publication number
- CN114516575B CN114516575B CN202210128521.XA CN202210128521A CN114516575B CN 114516575 B CN114516575 B CN 114516575B CN 202210128521 A CN202210128521 A CN 202210128521A CN 114516575 B CN114516575 B CN 114516575B
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- China
- Prior art keywords
- sleeve
- car
- fixing piece
- self
- locking system
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- 230000001681 protective effect Effects 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The application relates to an unpowered safety self-locking system which comprises a bracket, a car sliding on the bracket and a self-locking device arranged between the bracket and the car; the self-locking device comprises a sleeve fixed at the top of the car, a safety pin vertically sliding in the sleeve and one end of the safety pin extending into the car, a spring arranged in the sleeve and a pull rope connected with the safety pin; one end of the spring is connected with the safety pin, and the other end of the spring is connected with the sleeve; the outer side wall of the lift car is provided with a first fixing piece and a second fixing piece which are horizontally and oppositely arranged, one end of the pull rope, which is far away from the safety pin, passes through the first fixing piece and is fixedly connected with the second fixing piece, and a limiting section is formed by the pull rope between the first fixing piece and the second fixing piece; and the positions of the support above and below the limiting section are fixedly connected with limiting rods, and when the lift car moves upwards or downwards to a working position, the limiting section is contacted with the limiting rods and the pull rope pulls the safety pin to retract into the sleeve so as to release the limit. The application provides a self-locking system which is simple in structure and convenient to maintain.
Description
Technical Field
The application relates to the field of lifting devices, in particular to an unpowered safe self-locking system.
Background
At present, some lifting devices mostly comprise a lifting motor, a steel wire rope and a lift car, wherein the lifting motor is connected with the lift car through the steel wire rope, so that the lift car is driven to ascend and descend through the lifting motor, articles to be transported are placed in the lift car to realize transportation, generally, in order to prevent the articles in the lift car from falling down in the transportation process,
the car door lock or the safety device is often a switch motor connected with the car door from the top of the lifting device through a flat power line, so as to control the opening and closing of the car door. The technology has the advantages of complex structure, higher cost and easy damage because the flat power line moves up and down along with the car.
Disclosure of Invention
In order to provide a self-locking system with a simple structure and convenient maintenance, the application provides an unpowered safe self-locking system.
The unpowered safe self-locking system provided by the application adopts the following technical scheme:
an unpowered safety self-locking system comprising: the elevator comprises a bracket, a car sliding on the bracket and a self-locking device arranged between the bracket and the car;
the self-locking device comprises a sleeve fixed at the top of the car, a safety pin vertically sliding in the sleeve and one end of the safety pin extending into the car, a spring arranged in the sleeve and a pull rope connected with one end of the safety pin far away from the car;
one end of the spring is connected with the safety pin, and the other end of the spring is connected with the sleeve; the outer side wall of the lift car is provided with a first fixing piece and a second fixing piece which are horizontally and oppositely arranged, one end of the pull rope, which is far away from the safety pin, passes through the first fixing piece and is fixedly connected with the second fixing piece, and a limiting section is formed by the pull rope between the first fixing piece and the second fixing piece;
and the positions of the support above and below the limiting section are fixedly connected with limiting rods, the limiting rods and the limiting section are in crossed arrangement, and when the lift car moves upwards or downwards to a working position, the limiting sections are in contact with the limiting rods and enable the pull rope to pull the safety pin to retract into the sleeve so as to release the limit.
Through adopting above-mentioned technical scheme, be provided with the spring pin in the sleeve, the one end of spring pin is located the car inside, still be provided with the spring in the sleeve inside, the one end butt relief pin of spring is located the one end of sleeve, the other end butt sleeve is kept away from the inner wall of the one end of car, the relief pin is located one end in the car and is connected with the stay cord, the stay cord other end passes the first mounting rigid coupling that sets up on the car lateral wall and the second mounting rigid coupling that sets up on the car lateral wall, stay cord between first mounting and the second mounting forms spacing section, be provided with the gag lever post in support position in top and below of spacing section, gag lever post and spacing end cross arrangement, when the car moves to operating position, spacing section and gag lever post contact, make stay cord pulling security right withdraw in the safety sleeve, release spacing, when the car kept away from operating position, the gag lever post is kept away from to the gag lever post, the stay cord is loosened, the motion realizes spacing in the car, adopt above-mentioned scheme, a self-locking system of simple structure and convenient maintenance is provided.
Optionally, the sleeve includes a sleeve body and a boss detachably connected to an end of the sleeve body away from the car.
Through adopting above-mentioned technical scheme, the setting of boss makes telescopic one end openable, and the dismantlement and the change of spring and the shear pin in the sleeve of being convenient for.
Optionally, a protective sleeve is disposed on the boss, and the pull rope extends to the outside of the sleeve along the protective sleeve.
Through adopting above-mentioned technical scheme, the setting of protective sheath can reduce the stay cord and pull the in-process to telescopic friction, plays the guard action to the sleeve to a certain extent.
Optionally, the protective sleeve is a copper protective sleeve.
Through adopting above-mentioned technical scheme, the protective sheath sets up to copper protective sheath, and is more wear-resisting.
Optionally, the one end that the safety pin is located in the sleeve is provided with the third mounting, the connecting hole has been seted up on the third mounting, the stay cord is located in the sleeve one end follow the connecting hole runs through the third mounting, the stay cord runs through one end of third mounting is provided with the arch, in order to realize the stay cord with the connection of third mounting.
Optionally, the third fixing member is screwed with the safety pin.
Optionally, the sleeve is connected with the top flange of the car.
Optionally, a plurality of fixing rings are arranged on the side wall of the car, and the pull rope passes through the fixing rings and passes through the first fixing piece to be fixedly connected with the second fixing piece.
Optionally, the first fixing piece is an ear plate, and a through hole for the pull rope to pass through is formed in the ear plate.
Optionally, a guide groove for sliding connection with the bracket is arranged on the side wall of the car, and the second fixing piece is fixedly arranged on the guide groove.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through setting up spring pin and spring in the sleeve, the one end that the spring pin is located in the sleeve fixedly connected with stay cord, be provided with the gag lever post of alternately arranging with the stay cord on the support, when the car moves to the operational position, spacing section contacts with the gag lever post, makes the stay cord pulling safety right withdraw in the safety sleeve, releases spacing, when the car kept away from the operational position, spacing section kept away from the gag lever post, the stay cord is loosened, the safety pin moves to realize spacing to the car, adopts above-mentioned scheme, provides a self-locking system that simple structure is convenient for maintain;
2. the friction to the sleeve in the pulling process of the pull rope can be reduced by arranging the protective sleeve, and the sleeve is protected to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the unpowered safety self-locking system provided by the application.
Fig. 2 is a schematic diagram of a structure of cooperation between a car and a self-locking device in the unpowered safety self-locking system provided by the application.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a cross-sectional view A-A of fig. 3.
Fig. 5 is an exploded view of a self-locking device of the unpowered safety self-locking system provided by the present application.
Reference numerals illustrate: 1. a bracket; 11. a support column; 12. a connecting rod; 13. a mounting plate; 14. a guide post; 15. a limit rod; 2. a car; 21. a guide groove; 22. a fixing ring; 23. a first fixing member; 24. a second fixing member; 25. inspection robot; 3. a self-locking device; 31. a sleeve; 311. a sleeve body; 312. a boss; 3121. a second threaded hole; 32. a pull rope; 321. a protrusion; 33. a protective sleeve; 34. a spring; 35. a safety pin; 351. a third fixing member; 3511. a connection hole; 352. a first threaded bore.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses an unpowered safe self-locking system. Referring to fig. 1, the unpowered safety self-locking system includes: support 1, slide car 2 on support 1 and set up the self-lock device 3 between support 1 and car 2, still be provided with inspection robot 25 in car 2, during operation, car 2 slides along support 1 is vertical, car 2 slip in-process, self-lock device 3 is spacing to inspection robot 25, reduce in car 2 motion in-process, inspection robot 25 from the circumstances that drops in the car 2, when car 2 removes working position, self-lock device 3 opens, remove the spacing to inspection robot 25, make inspection robot 25 can patrol out from car 2, after the work is accomplished, inspection robot 25 gets into car 2, self-lock device 3 is spacing to inspection robot 25, car 2 removes and keeps away from working position.
The support 1 comprises a mounting plate 13 and four support columns 11, wherein the mounting plate 13 is rectangular, the four support columns 11 are vertically and fixedly arranged on the ground, one ends of the four support columns 11 far away from the ground are fixedly connected with corners of the mounting plate 13, the support columns 11 are fixedly connected with the mounting plate 13 through bolts, a plurality of connecting rods 12 are arranged between every two adjacent support columns 11, the connecting rods 12 are welded with the support columns 11, and the stability of the integral structure of the support 1 is improved due to the arrangement of the connecting rods 12. In this embodiment, the supporting column 11 and the connecting rod 12 are angle irons.
Two guide posts 14 are vertically and symmetrically arranged on the support 1, the guide posts 14 are welded with the connecting rods 12, guide grooves 21 matched with the guide posts 14 are arranged on the side wall of the car 2 facing the guide posts 14, the guide grooves 21 are clamped on the guide posts 14, so that the car 2 moves along the guide posts 14 in the moving process, the shaking amplitude of the car 2 in the moving process can be reduced by the cooperation of the guide posts 14 and the guide grooves 21, and the running stability of the car 2 is improved. In this embodiment, the guide groove 21 is a C-shaped steel, and the guide post 14 is a T-shaped steel.
Referring to fig. 2, 3 and 4, the self-locking device 3 includes a sleeve 31, the sleeve 31 is cylindrical, the sleeve 31 is fixedly disposed at the top of the car 2, the sleeve 31 is in flange connection with the top of the car 2, and in other embodiments, the sleeve 31 and the car 2 may be connected by a connection manner, such as welding, bonding, or the like, which can achieve a fixed connection therebetween, which is not limited herein. The sleeve 31 comprises a sleeve body 311 and a boss 312, the boss 312 is formed by coaxially and fixedly connecting two cylinders with different diameters, the diameter of a large cylinder is equal to the outer diameter of the sleeve body 311, the diameter of a small cylinder is slightly smaller than the inner diameter of the sleeve body 311, one end, far away from the car 2, of the sleeve body 311 is provided with an internal thread, an external thread is arranged on the outer side wall of the small cylinder, and during installation, the external thread on the small cylinder is matched with the internal thread of the sleeve body 311 so as to realize connection of the boss 312 and the sleeve body 311.
The one end that sleeve body 31 and car 2's top are connected is provided with the through-hole of mutually supporting with the top of car 2, and vertical slip is provided with the relief pin 35 in sleeve 31, and the one end of relief pin 35 stretches into in the car 2 along the through-hole of the one end that sleeve 31 and car 2 are connected and the through-hole at car 2 top, is provided with on inspection robot 25 with relief pin 35 complex spacing hole, when the one end of relief pin 35 stretches into in the car 2, the relief pin 35 inserts in the spacing hole of inspection robot 25 and realizes the spacing to inspection robot 25.
Referring to fig. 2, 4 and 5, a third fixing member 351 is provided at one end of the safety pin 35 located in the sleeve 31, a first screw hole 352 is provided at one end of the safety pin 35 located in the sleeve 31 in the axial direction, an external screw thread is provided on an outer sidewall of the third fixing member 351, a connection hole 3511 is provided at the third fixing member 351 in the axial direction thereof, the connection hole 3511 penetrates the third fixing member 351, a pull rope 32 is provided in the connection hole 3511 in a penetrating manner, one end of the pull rope 32 extends out of the third fixing member 351 along the connection hole 3511, a protrusion 321 is provided at the other end of the pull rope 32, and the other end of the pull rope 32 cannot penetrate the connection hole 3511, thereby realizing connection between the pull rope 32 and the third fixing member 351. In this embodiment, the pull cord 32 is a steel wire rope, and in other embodiments, the pull cord 32 may be made of other materials that meet the requirements, which is not limited herein.
The inside at sleeve 31 still is provided with spring 34, the one end butt relief pin 35 of spring 34 is located the one end in car 2, the other end butt of spring 34 is located the one end in sleeve body 311 at boss 312, second screw hole 3121 has been seted up along boss 312's axis direction on boss 312, second screw hole 3121 runs through boss 312, be provided with protective sheath 33 in the second screw hole 3121, be provided with on the lateral wall of protective sheath 33 with second screw hole 3121 cooperation external screw thread, protective sheath 33 and boss 312 threaded connection, the one end that the relief pin 35 was kept away from to stay cord 32 passes spring 34, and extend outside sleeve 31 through protective sheath 33, the setting of protective sheath 33 can reduce stay cord 32 and drag the friction to sleeve 31 in the process repeatedly, can improve sleeve 31's life to a certain extent, in this embodiment, protective sheath 33 is copper protective sheath 33, adopt copper protective sheath 33 to make protective sheath 33's wearability better.
Two fixing rings 22 are vertically arranged on the outer side wall of the car 2 facing the bracket 1 in the same row, a first fixing piece 23 is arranged below the fixing rings 22 on the outer side wall of the car 2, a second fixing piece 24 is arranged on the side wall of the guide groove 21 facing the first fixing piece 23, the first fixing piece 23 and the second fixing piece 24 are horizontally arranged oppositely, one end of a pull rope 32 positioned outside the sleeve 31 penetrates through the two fixing rings 22 and the first fixing piece 23 and is fixedly connected with the second fixing piece 24, and a limiting section is formed by the pull rope 32 positioned between the first fixing piece 23 and the second fixing piece 24. The fixing ring 22 is arranged to enable the stay rope 32 to be tightly attached to the outer side wall of the car 2, so that the interference of the stay rope 32 and other devices in the moving process of the car 2 is reduced. In this embodiment, the first fixing member 23 is an ear plate, a through hole for the pull cord 32 to pass through is formed in the ear plate, a mounting hole is formed in the second fixing member 24, and one end of the pull cord 32 located outside the sleeve 31 extends into the mounting hole and is fixedly connected with the second fixing member 24.
One side of the bracket 1 facing the first fixing piece 23 and the second fixing piece 24 is provided with a limiting rod 15 above and below the limiting section, the limiting rod 15 is horizontally arranged, the free end of the limiting rod 15 faces the car 2, the limiting section and the limiting rod 15 are arranged in a crossing way by the arrangement of the first fixing piece 23 and the second fixing piece 24, when the car 2 reaches a working position in the upward moving process of the car 2, one side of the limiting rod 15 above the displacement limiting section facing the ground contacts with the limiting section, so that the stay rope 32 pulls the safety pin 35 into the sleeve 31, the safety pin 35 compresses the spring 34 to move into the sleeve 31, so that the safety pin 35 moves out of the car 2, and the limit of the inspection robot 25 is relieved; when the car 2 moves downwards to the working position, the limiting rod 15 below the limiting section contacts with the limiting section towards the outer side wall of the mounting plate 13, so that the pull rope 32 pulls the safety pin 35 into the sleeve 31, the safety pin 35 compresses the spring 34 to move into the sleeve 31, and the safety pin 35 moves outwards from the car 2, so that the limit of the inspection robot 25 is relieved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. An unpowered safety self-locking system is characterized in that: comprises a bracket (1), a car (2) sliding on the bracket (1) and a self-locking device (3) arranged between the bracket (1) and the car (2);
the self-locking device (3) comprises a sleeve (31) fixed at the top of the car (2), a safety pin (35) vertically sliding in the sleeve (31) and one end of the safety pin extending into the car (2), a spring (34) arranged in the sleeve (31) and a pull rope (32) connected to one end of the safety pin (35) far away from the car (2); one end of the spring (34) is connected with the safety pin (35), and the other end is connected with the sleeve (31);
a first fixing piece (23) and a second fixing piece (24) which are horizontally and oppositely arranged are arranged on the outer side wall of the lift car (2), one end, far away from the safety pin (35), of the pull rope (32) penetrates through the first fixing piece (23) and is fixedly connected with the second fixing piece (24), and a limiting section is formed by the pull rope (32) between the first fixing piece (23) and the second fixing piece (24);
the positions of the support (1) above and below the limiting section are fixedly connected with limiting rods (15), the limiting rods (15) are in crossed arrangement with the limiting sections, and when the car (2) moves upwards or downwards to a working position, the limiting sections are in contact with the limiting rods (15) and enable the pull ropes (32) to pull the safety pins (35) to retract into the sleeve (31) so as to release limiting.
2. The unpowered safety self-locking system of claim 1, wherein: the sleeve (31) comprises a sleeve body (311) and a boss (312) detachably connected to one end of the sleeve body (311) far away from the car (2).
3. The unpowered safety self-locking system of claim 2, wherein: the boss (312) is provided with a protective sleeve (33), and the pull rope (32) extends to the outside of the sleeve (31) along the protective sleeve (33).
4. The unpowered safety self-locking system of claim 3, wherein: the protective sleeve (33) is a copper protective sleeve (33).
5. The unpowered safety self-locking system of claim 1, wherein: the one end that shear pin (35) is located in sleeve (31) is provided with third mounting (351), connecting hole (3511) have been seted up on third mounting (351), stay cord (32) are located one end in sleeve (31) are followed connecting hole (3511) run through third mounting (351), stay cord (32) run through one end of third mounting (351) is provided with arch (321), in order to realize stay cord (32) with be connected of third mounting (351).
6. The unpowered safety self-locking system of claim 5, wherein: the third fixing piece (351) is in threaded connection with the safety pin (35).
7. The unpowered safety self-locking system of claim 1, wherein: the sleeve (31) is connected with the top flange of the car (2).
8. The unpowered safety self-locking system of claim 1, wherein: the outer side wall of the car (2) is provided with a plurality of fixing rings (22), and the pull ropes (32) penetrate through the fixing rings (22) and the first fixing pieces (23) to be fixedly connected with the second fixing pieces (24).
9. The unpowered safety self-locking system of claim 8, wherein: the first fixing piece (23) is an ear plate, and a through hole for the pull rope (32) to pass through is formed in the ear plate.
10. The unpowered safety self-locking system of claim 8, wherein: the side wall of the car (2) is provided with a guide groove (21) which is used for being connected with the support (1) in a sliding mode, and the second fixing piece (24) is fixedly arranged on the guide groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128521.XA CN114516575B (en) | 2022-02-11 | 2022-02-11 | Unpowered safe self-locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210128521.XA CN114516575B (en) | 2022-02-11 | 2022-02-11 | Unpowered safe self-locking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114516575A CN114516575A (en) | 2022-05-20 |
| CN114516575B true CN114516575B (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210128521.XA Active CN114516575B (en) | 2022-02-11 | 2022-02-11 | Unpowered safe self-locking system |
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| Country | Link |
|---|---|
| CN (1) | CN114516575B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023796A (en) * | 2007-07-20 | 2009-02-05 | Toshiba Elevator Co Ltd | Safety device of elevator top part |
| CN106429708A (en) * | 2016-09-29 | 2017-02-22 | 克莱斯电梯（中国）有限公司 | Goods elevator for preventing accidents caused by accidental car movement |
| EP3251995A1 (en) * | 2016-06-02 | 2017-12-06 | Riedl Aufzugbau GmbH & Co. KG | Cab protection device for a cab of a lift system |
| CN110127498A (en) * | 2019-06-25 | 2019-08-16 | 西继迅达（许昌）电梯有限公司 | A kind of compound building lift car and elevator cage door lock |
| CN110919624A (en) * | 2019-11-19 | 2020-03-27 | 国网智能科技股份有限公司 | Three-dimensional orbital transfer type orbital robot system and method |
| CN211110501U (en) * | 2019-12-20 | 2020-07-28 | 康达电梯有限公司 | Elevator car top safety lifesaving door structure |
| CN111498641A (en) * | 2020-05-28 | 2020-08-07 | 杭州西奥电梯有限公司 | Parking device for car |
| CN211254904U (en) * | 2019-12-19 | 2020-08-14 | 奥帝亚电梯有限公司 | Elevator with telescopic car |
| CN213651526U (en) * | 2020-10-27 | 2021-07-09 | 上海中奥房设电梯有限公司 | Explosion-proof elevator car fixing device of no computer lab |
-
2022
- 2022-02-11 CN CN202210128521.XA patent/CN114516575B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023796A (en) * | 2007-07-20 | 2009-02-05 | Toshiba Elevator Co Ltd | Safety device of elevator top part |
| EP3251995A1 (en) * | 2016-06-02 | 2017-12-06 | Riedl Aufzugbau GmbH & Co. KG | Cab protection device for a cab of a lift system |
| CN106429708A (en) * | 2016-09-29 | 2017-02-22 | 克莱斯电梯（中国）有限公司 | Goods elevator for preventing accidents caused by accidental car movement |
| CN110127498A (en) * | 2019-06-25 | 2019-08-16 | 西继迅达（许昌）电梯有限公司 | A kind of compound building lift car and elevator cage door lock |
| CN110919624A (en) * | 2019-11-19 | 2020-03-27 | 国网智能科技股份有限公司 | Three-dimensional orbital transfer type orbital robot system and method |
| CN211254904U (en) * | 2019-12-19 | 2020-08-14 | 奥帝亚电梯有限公司 | Elevator with telescopic car |
| CN211110501U (en) * | 2019-12-20 | 2020-07-28 | 康达电梯有限公司 | Elevator car top safety lifesaving door structure |
| CN111498641A (en) * | 2020-05-28 | 2020-08-07 | 杭州西奥电梯有限公司 | Parking device for car |
| CN213651526U (en) * | 2020-10-27 | 2021-07-09 | 上海中奥房设电梯有限公司 | Explosion-proof elevator car fixing device of no computer lab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114516575A (en) | 2022-05-20 |
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