CN114516575A - Unpowered safe self-locking system - Google Patents
Unpowered safe self-locking system Download PDFInfo
- Publication number
- CN114516575A CN114516575A CN202210128521.XA CN202210128521A CN114516575A CN 114516575 A CN114516575 A CN 114516575A CN 202210128521 A CN202210128521 A CN 202210128521A CN 114516575 A CN114516575 A CN 114516575A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- car
- fixing piece
- pull rope
- unpowered
- 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.)
- Granted
Links
- 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
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 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
Images
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 safe 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 lift car, a safety pin vertically sliding in the sleeve, a spring arranged in the sleeve and a pull rope connected with the safety pin, wherein one end of the safety pin extends into the lift car; one end of the spring is connected with the safety pin, and the other end of the spring is connected with the sleeve; a first fixing piece and a second fixing piece which are horizontally arranged oppositely are installed on the outer side wall of the lift car, one end of the pull rope, far away from the safety pin, penetrates through the first fixing piece and is fixedly connected with the second fixing piece, and the pull rope between the first fixing piece and the second fixing piece forms a limiting section; the position of the support above and below the limiting section is fixedly connected with a limiting rod, and when the car moves upwards or downwards to a working position, the limiting section is in contact with the limiting rod, so that the pull rope pulls the safety pin to be retracted into the sleeve to relieve limiting. The application provides a simple structure is convenient for maintain from locking system.
Description
Technical Field
The application relates to the field of lifting devices, in particular to an unpowered safe self-locking system.
Background
At present, most of lifting devices comprise a lifting motor, a steel wire rope and a car, wherein the lifting motor is connected with the car through the steel wire rope, so that the car is driven to ascend and descend through the lifting motor, articles to be transported are placed in the car to realize transportation, and generally, in order to prevent the articles in the car from falling off in the transportation process,
the car door lock or the safety device is mostly connected with a switch motor of the car door from the top of the lifting device through a flat power line, so that the opening and closing of the car door are controlled. The technology has the advantages of complex structure and higher cost, and the flat power line is easy to damage as the flat power line moves up and down along with the lift car.
Disclosure of Invention
In order to provide a simple structure is convenient for maintain from locking system, this application provides a unpowered safe from locking system.
The application provides an unpowered safe auto-lock system adopts following technical scheme:
an unpowered safety self-locking system comprising: the elevator car comprises a support, a car sliding on the support and a self-locking device arranged between the support and the car;
the self-locking device comprises a sleeve fixed at the top of the lift car, a safety pin vertically sliding in the sleeve, a spring arranged in the sleeve and a pull rope connected to one end of the safety pin far away from the lift car, wherein one end of the safety pin extends into the lift car;
one end of the spring is connected with the safety pin, and the other end of the spring is connected with the sleeve; a first fixing piece and a second fixing piece which are horizontally arranged oppositely are installed on the outer side wall of the lift car, one end of the pull rope, far away from the safety pin, penetrates through the first fixing piece and is fixedly connected with the second fixing piece, and the pull rope between the first fixing piece and the second fixing piece forms a limiting section;
the support is located the equal rigid coupling in position of spacing section top and below and has the gag lever post, is the cross arrangement between gag lever post and the spacing section, and when the car upwards or the downstream moved to operating position, spacing section contacted with the gag lever post and made the stay cord pulling safety pin withdraw in order to relieve spacingly in the sleeve.
By adopting the technical scheme, the spring pin is arranged in the sleeve, one end of the spring pin is positioned in the car, the spring is also arranged in the sleeve, one end of the spring is abutted against one end of the safety pin positioned in the sleeve, the other end of the spring is abutted against the inner wall of one end of the sleeve far away from the car, one end of the safety pin positioned in the car is connected with the pull rope, the other end of the pull rope penetrates through the first fixing piece arranged on the outer side wall of the car and is fixedly connected with the second fixing piece arranged on the outer side wall of the car, the pull rope between the first fixing piece and the second fixing piece forms a limiting section, the limiting rods are arranged above and below the limiting section of the support, the limiting rods and the limiting ends are arranged in a crossing way, when the car moves to a working position, the limiting section is contacted with the limiting rods, so that the pull rope pulls the safety right to be retracted into the safety sleeve to release the limiting, when the car is far away from the working position, spacing section is kept away from the gag lever post, and the stay cord relaxs, and the safety pin realizes spacingly to the car internal motion, adopts above-mentioned scheme, provides a simple structure is convenient for maintain's auto-lock system.
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 can open, the dismantlement and the change of the spring in the sleeve and safety pin of being convenient for.
Optionally, a protective sleeve is arranged 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 draw the friction that the in-process was drawn to the sleeve, 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 the copper protective sheath, and is more wear-resisting.
Optionally, a third fixing piece is arranged at one end of the safety pin, which is located in the sleeve, a connecting hole is formed in the third fixing piece, one end of the pull rope, which is located in the sleeve, penetrates through the third fixing piece along the connecting hole, and a protrusion is arranged at one end of the pull rope, which penetrates through the third fixing piece, so that the pull rope is connected with the third fixing piece.
Optionally, the third fixing member is in threaded connection with the safety pin.
Optionally, the sleeve is flanged to the car roof.
Optionally, be provided with a plurality of solid fixed rings on the lateral wall of car, the stay cord passes gu fixed ring, and pass first mounting and second mounting rigid coupling.
Optionally, the first fixing member 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 used for being in sliding connection with the support is formed in 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. the self-locking system is characterized in that a spring pin and a spring are arranged in a sleeve, one end of the spring pin, which is positioned in the sleeve, is fixedly connected with a pull rope, a limiting rod which is arranged in a crossed manner with the pull rope is arranged on a support, when a car moves and moves to a working position, a limiting section is in contact with the limiting rod, so that the pull rope pulls a safety right to be retracted into a safety sleeve, the limiting is relieved, when the car is far away from the working position, the limiting section is far away from the limiting rod, the pull rope is loosened, and the safety pin moves into the car to realize the limiting;
2. can reduce the stay cord through setting up the protective sheath and draw the in-process to telescopic friction, play the guard action to the sleeve to a certain extent.
Drawings
Fig. 1 is a schematic overall structural diagram of the unpowered safety self-locking system provided by the present application.
Fig. 2 is a schematic structural diagram of the cooperation between the car and the 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 sectional view a-a of fig. 3.
Fig. 5 is an exploded view of the self-locking device of the unpowered safe self-locking system provided by the present application.
Description of reference numerals: 1. a support; 11. a support pillar; 12. a connecting rod; 13. mounting a plate; 14. a guide post; 15. a limiting rod; 2. a car; 21. a guide groove; 22. a fixing ring; 23. a first fixing member; 24. a second fixing member; 25. a patrol robot; 3. a self-locking device; 31. a sleeve; 311. a sleeve body; 312. a boss; 3121. a second threaded hole; 32. pulling a rope; 321. a protrusion; 33. a protective sleeve; 34. a spring; 35. a shear pin; 351. a third fixing member; 3511. connecting holes; 352. a first threaded hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an unpowered safe self-locking system. Referring to fig. 1, the unpowered safety self-locking system comprises: support 1, slide car 2 on support 1 and set up self-lock device 3 between support 1 and car 2, still be provided with in car 2 and patrol and examine robot 25, in operation, car 2 is along the vertical slip of support 1, car 2 slip in-process, self-lock device 3 is spacing to patrolling and examining robot 25, reduce in car 2 motion process, patrol and examine the condition that robot 25 dropped from car 2 in, when car 2 moves to the operating position, self-lock device 3 opens, remove the spacing to patrolling and examining robot 25, make patrolling and examining robot 25 can follow car 2 and remove, after the work is accomplished, patrol and examine robot 25 and get into car 2, self-lock device 3 is spacing to patrolling and examining robot 25, car 2 removes and keeps away from the operating position.
Support 1 includes mounting panel 13 and four support columns 11, and mounting panel 13 is the rectangle form, and the vertical fixed of four support columns 11 sets up in ground, and four support columns 11 keep away from the one end on ground and mounting panel 13's edge fixed connection, through bolt fixed connection between support column 11 and the mounting panel 13, be provided with many connecting rods 12 between two adjacent support columns 11, connecting rod 12 and support column 11 welding, the setting of connecting rod 12 has improved 1 overall structure's of support stability. In this embodiment, the supporting column 11 and the connecting rod 12 are both angle irons.
Two guide posts 14 are vertically and symmetrically arranged on the support 1, the guide posts 14 are welded with the connecting rod 12, guide grooves 21 matched with the guide posts 14 are formed in the side wall, facing the guide posts 14, of the car 2, the guide grooves 21 are clamped on the guide posts 14, the car 2 moves along the guide posts 14 in the moving process, the guide posts 14 and the guide grooves 21 are matched to reduce the shaking amplitude of the car 2 in the moving process, and the running stability of the car 2 is improved. In this embodiment, the guide groove 21 is made of C-shaped steel, and the guide post 14 is made of 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 on the top of the car 2, and the sleeve 31 is flange-connected to the top of the car 2, in other embodiments, the sleeve 31 may be connected to the car 2 by welding, bonding, or other connection methods that can achieve a fixed connection therebetween, which is not limited herein. Sleeve 31 includes sleeve body 311 and boss 312, boss 312 comprises two coaxial fixed connection of cylinder of diameter variation in size, the diameter of big cylinder equals with sleeve body 311's external diameter, little cylindrical diameter slightly is less than sleeve body 311's internal diameter, the one end that car 2 was kept away from to sleeve body 311 is provided with the internal thread, set up the external screw thread on the lateral wall of small circle post, during the installation, external screw thread and sleeve body 311's interior screw-thread fit on the small circle post, in order to realize being connected of boss 312 and sleeve body 311.
One end that sleeve body 31 and car 2's top are connected is provided with the through-hole of mutually supporting with car 2's top, vertical slip is provided with safety pin 35 in sleeve 31, the one end of safety pin 35 is followed the one end through-hole that sleeve 31 and car 2 are connected and the through-hole at car 2 top stretches into in car 2, be provided with on patrolling and examining robot 25 with the spacing hole of safety pin 35 complex, when the one end of safety pin 35 stretches into in car 2, safety pin 35 inserts the spacing downthehole realization of patrolling and examining robot 25 to patrolling and examining robot 25 spacing.
Referring to fig. 2, 4 and 5, a third fixing member 351 is disposed at one end of the safety pin 35 located in the sleeve 31, a first threaded hole 352 is formed at one end of the safety pin 35 located in the sleeve 31 along the axial direction, an external thread is disposed on an outer side wall of the third fixing member 351, a connection hole 3511 is formed in the third fixing member 351 along the axial direction, the connection hole 3511 penetrates through the third fixing member 351, a pull rope 32 penetrates through the connection hole 3511, one end of the pull rope 32 extends out of the third fixing member 351 along the connection hole 3511, a protrusion 321 is disposed at the other end of the pull rope 32, so that the other end of the pull rope 32 cannot penetrate through the connection hole 3511, and the connection between the pull rope 32 and the third fixing member 351 is realized. In this embodiment, the pull rope 32 is a steel wire rope, and in other embodiments, the pull rope 32 may also be made of other materials meeting the requirements, which are not limited herein.
A spring 34 is further provided inside the sleeve 31, one end of the spring 34 abuts against one end of the safety pin 35 located inside the car 2, the other end of the spring 34 abuts against one end of the boss 312 located inside the sleeve body 311, a second threaded hole 3121 is opened on the boss 312 along the axial direction of the boss 312, the second threaded hole 3121 penetrates through the boss 312, a protective sleeve 33 is arranged in the second threaded hole 3121, the outer side wall of the protective sleeve 33 is provided with an external thread matched with the second threaded hole 3121, the protective sleeve 33 is in threaded connection with the boss 312, one end of the pull rope 32 far away from the safety pin 35 penetrates through the spring 34, and extends to the outside of the sleeve 31 through the protective sleeve 33, the arrangement of the protective sleeve 33 can reduce the friction of the pulling rope 32 on the sleeve 31 during repeated pulling, can improve sleeve 31's life to a certain extent, in this embodiment, protective sheath 33 is copper protective sheath 33, adopts copper protective sheath 33 to make protective sheath 33's wearability better.
Two fixing rings 22 are vertically arranged in the same row on one outer side wall of the car 2 facing the bracket 1, 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 the pull rope 32, which is 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 the pull rope 32, which is positioned between the first fixing piece 23 and the second fixing piece 24, forms a limiting section. The fixing ring 22 is arranged to enable the pulling rope 32 to be attached to the outer side wall of the car 2, and the situation that the pulling rope 32 interferes with 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 pulling rope 32 to pass through is formed on the ear plate, a mounting hole is formed on the second fixing member 24, and one end of the pulling rope 32 located outside the sleeve 31 extends into the mounting hole to be fixedly connected with the second fixing member 24.
When the car 2 reaches the working position in the upward moving process of the car 2, the side, facing the ground, of the limiting rod 15 above the displacement limiting section is in contact with the limiting section, so that the pulling 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 of the car 2, so that the limit of the inspection robot 25 is relieved; when the car 2 moves down to the working position, the limit rod 15 located below the limit section contacts with the limit 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, and the safety pin 35 compression spring 34 moves into the sleeve 31 so that the safety pin 35 moves outwards from the car 2, and the limit of the inspection robot 25 is released.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an unpowered safe auto-lock system which 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) which vertically slides in the sleeve (31) and one end of which extends into the car (2), a spring (34) arranged in the sleeve (31) and a pull rope (32) connected to one end, far away from the car (2), of the safety pin (35); one end of the spring (34) is connected with the safety pin (35), and the other end of the spring is connected with the sleeve (31);
a first fixing piece (23) and a second fixing piece (24) which are horizontally arranged oppositely are installed 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 the pull rope (32) between the first fixing piece (23) and the second fixing piece (24) forms a limiting section;
the equal rigid coupling in position that support (1) is located spacing section top and below has gag lever post (15), is cross arrangement between gag lever post (15) and the spacing section, and when car (2) upwards or downstream reached operating position, spacing section and gag lever post (15) contact and make stay cord (32) pulling safety pin (35) withdraw in order to relieve spacingly in sleeve (31).
2. The unpowered safe self-locking system according to claim 1, wherein: the sleeve (31) comprises a sleeve body (311) and a boss (312) detachably connected to one end, far away from the car (2), of the sleeve body (311).
3. The unpowered safe self-locking system according to claim 2, wherein: a protective sleeve (33) is arranged on the boss (312), and the pull rope (32) extends to the outside of the sleeve (31) along the protective sleeve (33).
4. The unpowered safe self-locking system according to claim 3, wherein: the protective sleeve (33) is a copper protective sleeve (33).
5. The unpowered safe self-locking system according to claim 1, wherein: one end of the safety pin (35) in the sleeve (31) is provided with a third fixing piece (351), the third fixing piece (351) is provided with a connecting hole (3511), one end of the pull rope (32) in the sleeve (31) penetrates through the third fixing piece (351) along the connecting hole (3511), and one end of the pull rope (32) penetrating through the third fixing piece (351) is provided with a protrusion (321) so as to realize the connection of the pull rope (32) and the third fixing piece (351).
6. The unpowered safe self-locking system according to claim 5, wherein: the third fixing member (351) is threadedly coupled to the shear pin (35).
7. The unpowered safe self-locking system according to claim 1, wherein: the sleeve (31) is connected with a top flange of the cage (2).
8. The unpowered safe self-locking system according to claim 1, wherein: be provided with a plurality of solid fixed rings (22) on the lateral wall of car (2), stay cord (32) pass gu fixed ring (22) with first mounting (23) and second mounting (24) rigid coupling.
9. The unpowered safe self-locking system according to 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 safe self-locking system according to claim 8, wherein: be provided with on the lateral wall of car (2) be used for with support (1) sliding connection's guide way (21), second mounting (24) fixed set up in on guide way (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 true CN114516575A (en) | 2022-05-20 |
| CN114516575B CN114516575B (en) | 2023-11-07 |
Family
ID=81596994
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 |
Country Status (1)
| 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 |
|---|---|
| CN114516575B (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2364948B1 (en) | Crane | |
| DE102006019351A1 (en) | Guidance system with acceleration and deceleration device | |
| CN109110662B (en) | Hoisting mechanism of crane | |
| EP2455322B1 (en) | Crane | |
| US20230098461A1 (en) | Charging apparatus | |
| CN106946118A (en) | A kind of building hoist tape jam detection and the cable pulley system of automatic protection | |
| CN114516575A (en) | Unpowered safe self-locking system | |
| CN111547277B (en) | Automatic locking and releasing mechanism with limiting function and locking and releasing operation method | |
| CN210176365U (en) | Material lifting device | |
| CN114524337B (en) | Multistage inspection lifting connection device of track inspection robot | |
| US9045928B1 (en) | Method and apparatus to raise and lower an overhead door | |
| CN217222756U (en) | Wire breakage protection device of wire rod husking machine | |
| CN215099816U (en) | Reciprocating type elevator for warehousing | |
| CN114380220A (en) | Tower crane attachment frame | |
| CN113724905B (en) | Grabbing equipment | |
| CN216764148U (en) | Disassembling tool for falling protector of construction elevator | |
| CN214786360U (en) | A safe elevating gear for stage performance | |
| CN210549977U (en) | External grinding system of valve guide pipe | |
| CN115490109A (en) | Lifting device with high safety performance | |
| CN214364873U (en) | Lifting and hanging device of climbing frame for building | |
| KR200444238Y1 (en) | Lifted or lowered guiding apparatus of canvas door | |
| CN215684230U (en) | Culture system with net cages additionally arranged on basis of offshore booster station | |
| CN218712971U (en) | Guide rod diesel pile hammer with separated undercarriage | |
| CN214569958U (en) | Novel indoor construction elevator | |
| CN114933260A (en) | Lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |