CN110606423B - Parking device for cage and cage guide - Google Patents
Parking device for cage and cage guide Download PDFInfo
- Publication number
- CN110606423B CN110606423B CN201910914002.4A CN201910914002A CN110606423B CN 110606423 B CN110606423 B CN 110606423B CN 201910914002 A CN201910914002 A CN 201910914002A CN 110606423 B CN110606423 B CN 110606423B
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- Prior art keywords
- cage
- sliding
- cage guide
- sliding rod
- wall
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/02—Hoistway equipment mounted in head-frames
-
- 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
- B66B5/22—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 by means of linearly-movable wedges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Vibration Dampers (AREA)
Abstract
The present disclosure relates to a parking device and cage guide for cage, wherein parking device sets up on the cage guide inner wall, including backstop piece and buffer gear: the upper end of the stop block is hinged to the inner wall of the cage guide, and the lower end of the stop block is connected with the buffer mechanism, so that the opening of the cage guide gradually narrows from top to bottom under the support of the buffer mechanism; the buffer mechanism is provided with a sliding rail and a sliding rod which is transversely matched with the sliding rail in a sliding way, and one end of the sliding rod extending out of the sliding rail is connected with the stop block; an elastic piece which can be pushed by the slide rod to deform is arranged in the slide rail; the cage can push the slide bar to slide and overcome the elastic force of the elastic piece when falling in the cage guide. Like this, make cage guide opening narrow the backstop piece gradually under buffer gear's support can provide inwards extrusion force in order to increase the resistance of cage whereabouts in-process, and buffer gear's setting's elastic component can be compressed gradually to reduce the impact force when the cage whereabouts until stopping the whereabouts gradually, avoid the hard collision of cage and backstop piece.
Description
Technical Field
The present disclosure relates to the field of mine hoisting equipment, and in particular, to a parking device for a cage and a cage guide.
Background
At present, a cage is used for conveying personnel or materials for a mine, a cage guide is arranged in the mine, and the cage can ascend or descend along the cage guide. Lifting of the cage in the mine is typically achieved using lifting wire ropes attached to the cage. In the related art, few anti-falling measures are designed, and once accidents occur, such as breakage of a lifting steel wire rope, the cage can directly fall into the bottom of a well without buffering due to the fact that the cage is large in mass, and huge impact force generated by cage falling is enough to enable the cage to be disassembled, so that serious casualties are caused.
Disclosure of Invention
A first object of the present disclosure is to provide a parking device to reduce an impact force of a cage falling in a cage guide and to maximally secure personnel safety in the cage.
In order to achieve the above object, the present disclosure provides a parking device for a cage, disposed on an inner wall of a cage guide, the parking device including a stopper block and a buffer mechanism: the upper end of the stop block is hinged to the inner wall of the cage guide, and the lower end of the stop block is connected with the buffer mechanism, so that the opening of the cage guide is gradually narrowed from top to bottom under the support of the buffer mechanism; the buffer mechanism is provided with a sliding rail and a sliding rod which is transversely matched with the sliding rail in a sliding way, and one end of the sliding rod extending out of the sliding rail is connected with the stop block; an elastic piece capable of being pushed by the sliding rod to deform is arranged in the sliding rail; the cage can push the sliding rod to slide and overcome the elastic force of the elastic piece when falling down in the cage guide.
Optionally, the elastic component is a plurality of return springs of unequal length, and a plurality of return springs's deformation direction is the same with the slip direction of slide bar, so that return spring can be according to the size of impact force that produces when the cage drops forms buffering step by step.
Optionally, the sliding rail is configured as a closed shell, a partition plate is arranged in the shell, the partition plate can be pushed by the sliding rod to slide in the shell along the same direction as the sliding rod slides, the partition plate divides the shell into a first cavity and a second cavity, and the elastic piece is arranged between the partition plate and the bottom of the shell; the shell is also filled with hydraulic oil, and the partition plate is provided with a first through hole for the hydraulic oil to circulate between the first cavity and the second cavity.
Optionally, the sliding rod is configured in a T shape, and includes a rod portion and a sliding portion, the shape of the sliding portion matches the shape of the inner wall of the housing, and a friction surface is formed between the outer peripheral surface of the sliding portion and the inner wall of the housing; the sliding part is provided with a second through hole, and the position of the second through hole corresponds to the position of the first through hole.
Optionally, the sliding rod is configured as a T-shape and comprises a rod portion and a sliding portion, a friction surface is formed between the sliding portion and the inner wall of the sliding rail, the sliding rail is configured as a closed shell, and the elastic piece is arranged between the sliding portion and the bottom of the shell.
Optionally, the sliding rod is fixedly connected with the sliding rail through a first threaded piece, when the cage is dropped to push the sliding rod, the first threaded piece is broken, and the sliding rod starts to slide in the sliding rail.
Optionally, the sliding rod is fixedly connected with the lower end of the stop block through a second threaded piece, and the connection strength between the sliding rod and the stop block is greater than that between the sliding rod and the sliding rail.
Alternatively, the stopper is configured as a wedge-shaped block that gradually widens from an upper end to a lower end, and the stopper is provided in plurality in an up-down direction.
Alternatively, the stopper blocks are symmetrically disposed at both sides of the inner wall of the cage guide so that the cage guide is formed as an inverted trapezoidal opening which narrows gradually from top to bottom.
A second object of the present disclosure is to provide a cage guide including the above parking device, the parking device being provided on an inner wall of the cage guide, a lower end of the inner wall of the cage guide being provided with a reinforcing block for reinforcing the cage guide, the reinforcing block being configured as a wedge block gradually widening from an upper end to a lower end.
Through the technical scheme, the stop block is supported by the buffer mechanism, so that the opening of the cage guide has a gradually narrowing trend from top to bottom, and inward extrusion force can be provided to increase the resistance of the cage in the falling process; the buffer mechanism for supporting the stop block is provided with the elastic piece, and can be gradually compressed in the process of extruding the stop block when the cage falls down, so that the hard collision between the stop block and the cage falling down is avoided, and the impact force of the cage falling down is gradually reduced until the cage falling down is stopped.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a schematic view of a mine construction provided in an exemplary embodiment to which the parking apparatus of the present disclosure is applied;
FIG. 2 is an enlarged partial schematic view of the parking apparatus of section A of FIG. 1;
fig. 3 is an enlarged partial schematic view of the buffering mechanism of the portion B of fig. 2.
Description of the reference numerals
1. Slide rail of buffer mechanism 21 of stop block 2
211. First chamber 212 second chamber 22 slide bar
221. Second through hole of sliding part 223 of rod part 222
23. First through hole of partition 241 of elastic piece 24
25. The first screw 3 and the second screw 4 are hinged on the bracket
5. Cage 6 cage 7 well wall of cage guide
8. Steel frame structure 9 reinforcing block
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the present disclosure, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with reference to the drawings in which corresponding figures are drawn, and "inner" and "outer" are defined with reference to the inner and outer of the corresponding component profiles. The terms "first," "second," and the like, as used herein, do not denote any order or importance, but rather are used to distinguish one element from another. In addition, when the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated.
The transportation of personnel and materials in the mine shaft is usually effected by means of cages 6. In order to facilitate the lifting and lowering of the cage 6, a cage guide 5 extending in the up-down direction is arranged on the inner side of the shaft wall 7, and the cage guide 5 can be reinforced and fixed through a steel frame structure 8 constructed by an I-beam, for example. The cage guide 5 is provided with a track for sliding the cage 6, so that the cage 6 can slide up and down in the cage guide 5 along the track.
In order to avoid casualties caused by huge impact force generated by accidental falling of the cage 6, as shown in fig. 1 and 2, the present disclosure provides a parking device for a cage. The parking device is arranged on the inner wall of the cage guide 5 and comprises a stop block 1 and a buffer mechanism 2. The upper end of the stopper 1 may be mounted on the inner wall of the cage guide 5 by, for example, a hinge bracket 4, one end of the hinge bracket 4 being mounted on the inner wall of the cage guide 5, and the other end being hinged to the stopper 1 through a rotation shaft so that the stopper 1 can rotate around the rotation shaft. The lower end of the stopper 1 is connected to the buffer mechanism 2, and the opening of the cage guide 5 is gradually narrowed from top to bottom under the support of the buffer mechanism 2. Such a narrowing of the opening from top to bottom of the cage guide 5 provides a squeezing force into the cage guide 5, thereby increasing the resistance of the cage 6 during the falling process and slowing down the speed of the falling cage 6 and the impact force during the falling process as much as possible.
As shown in fig. 2 and 3, the buffer mechanism 2 may have a slide rail 21 and a slide bar 22 slidably engaged with the slide rail 21, and one end of the slide bar 22 extending out of the slide rail 21 is connected to the stopper 1, so that the slide bar 22 can extend and retract along the slide rail 21 along with the swing of the stopper 1. Further, an elastic member 23 capable of being pushed by the slide rod 22 to deform is provided inside the slide rail 21. The cage 6 presses the stopper 1 during the falling down, and the stopper 1 pushes the slide rod 22 to gradually compress the elastic member 23. Since the compression deformation of the elastic member 23 is a gradual process, the buffer mechanism 2 can avoid the hard collision between the stopper 1 and the cage 6 in the falling state, so as to gradually reduce the impact force when the cage 6 falls until the cage 6 stops falling.
According to one embodiment of the present disclosure, as shown in fig. 3, the elastic member 23 may be a plurality of return springs having different lengths, and the deformation directions of the plurality of return springs are the same as the sliding direction of the sliding rod 22, so that the return springs can form a step-by-step buffer according to the impact force generated when the cage 6 is dropped. Of course, the elastic member 23 may be made of elastic rubber. Depending on the impact force generated when cage 6 is dropped, stop 1 will push slide bar 22 with different forces, slide bar 22 first contacting and compressing the longest length return spring to form a first level of cushioning. If the impact force of cage 6 falling is excessive, slide bar 22 will begin to compress the slightly shorter length return spring, which, together with the elastic restoring force of the longest length return spring, provides a counter-support force to slide bar 22 to form a second level of cushioning. The number of the reset springs can be set according to factors such as the weight of the cage 6 and the height of the parking device from the bottom of the well, so that gradual buffering is realized.
In the present disclosure, as shown in fig. 3, the slide rail 21 may be configured as a closed housing, and the cross-sectional shape of the housing may be provided as a square, a circle, or any other suitable shape. A partition 24 is provided in the housing, and the partition 24 can be pushed by the slide bar 22 to slide in the housing in the same direction as the slide bar 22 slides. The partition 24 divides the housing into a first chamber 211 and a second chamber 212, and the elastic member 23 is disposed between the partition 24 and the bottom of the housing, so that pushing the partition 24 can compress the elastic member 23. The housing is also filled with hydraulic oil, and the partition plate 24 is provided with a first through hole 241 through which the hydraulic oil flows between the first chamber 211 and the second chamber 212. When the stop block 1 is not pressed by the cage 6, the elastic piece 23 in the buffer mechanism 2 pushes the slide bar 22 to the outermost side under the action of elastic restoring force. When the cage 6 is dropped, the stopper 1 pushes the slide bar 22, the slide bar 22 drives the partition plate 24 to move towards the bottom direction of the shell, the elastic piece 23 is compressed, and hydraulic oil slowly flows from the first chamber 211 to the second chamber 212 through the first through hole 241 on the partition plate 24 in the process of being compressed. Since the hydraulic oil can slowly flow in the first chamber 211 and the second chamber 212, the pushing force of the stopper block 1 to the slide bar 22 is approximately constant, and the stability of the operation of the buffer mechanism 2 can be improved.
In the present disclosure, as shown in fig. 3, the slide bar 22 may be configured in a T shape, including a bar portion 221 and a sliding portion 222, the sliding portion 222 having a shape matching the shape of the inner wall of the housing, and a friction surface formed between the outer circumferential surface of the sliding portion 222 and the inner wall of the housing. When the slide bar 22 is pushed by the stopper 1 to move towards the partition 24, the friction surface formed between the outer peripheral surface of the sliding portion 222 and the inner wall of the housing can increase the resistance of the sliding portion 222 to the movement of the partition 24, and the reaction force of the friction force between the two can play a role of reversely supporting the stopper 1. The friction surface formed between the outer peripheral surface of the sliding portion 222 and the inner wall of the housing may be a rough surface formed between the outer peripheral surface of the sliding portion 222 and the inner wall of the housing, or an object having a large friction force, such as a rubber pad, may be provided on the outer peripheral surface of the sliding portion 222 and the inner wall of the housing, respectively.
The design in which the outer circumferential surface of the slide bar 22 having the T-shaped structure and the inner wall of the housing are formed as friction surfaces of the slide portion 222 of the present disclosure can be applied to the above-described buffer mechanism having the hydraulic buffer function. The sliding portion 222 is provided with a second through hole 223, and a position of the second through hole 223 corresponds to a position of the first through hole 241. When the slide bar 22 is pushed by the stopper 1 to move toward the partition 24, the friction surface formed between the outer peripheral surface of the sliding portion 222 and the inner wall of the housing is first buffered, the slide bar 22 continues to move toward the partition 24 until contacting the partition 24, and drives the partition 24 to move toward the bottom of the housing together, so as to compress the elastic member 23 and the hydraulic oil, and the hydraulic oil can flow from the first chamber 211 to the second chamber 212 through the first through hole 241 and the second through hole 223 on the sliding portion 222, which is second buffered.
According to another embodiment of the present disclosure, the design in which the sliding rod 22 having the T-shaped structure and the outer circumferential surface of the sliding portion 222 and the inner wall of the housing are formed as friction surfaces may not be applied to the damping mechanism having the hydraulic damping function, that is, the damping mechanism 2 includes friction damping and elastic damping. The sliding rail 21 is a closed casing, and the elastic member 23 is disposed between the sliding portion 222 and the bottom of the casing. When the slide bar 22 is pushed by the stop block 1 to move towards the partition board 24, the friction surface formed between the outer peripheral surface of the sliding part 222 and the inner wall of the shell is first buffered, the slide bar 22 continues to move towards the partition board 24 until contacting with the partition board 24, and drives the partition board 24 to move towards the bottom of the shell together, so as to compress the elastic piece 23, which is second buffered.
In the present disclosure, as shown in fig. 3, the slide bar 22 may be fixedly connected to the slide rail 21 through the first screw member 25, and when the cage 6 is dropped to push the slide bar 22, the first screw member 25 is broken, and the slide bar 22 starts to slide in the slide rail 21. Since the slide bar 22 can be fixed by the first screw 25 in connection with the slide rail 21, i.e. the first screw 25 fixes the position of the slide bar 22, the supporting effect of the stop block 1 is maintained. When the stop block 1 is pushed by the cage 6, if the falling impact force is not large, namely the impact force is insufficient to break the first screw member 25, the cage 6 is blocked at the parking device; when the impact force of falling is large, the pushing force of the cage 6 to the stop block 1 breaks the first screw member 25, and after the first screw member 25 breaks, the slide rod 22 starts to slide in the slide rail 21 to realize the friction buffering, the elastic buffering and the hydraulic buffering, that is, the first screw member 25 is formed into the first-stage buffering.
Further, as shown in fig. 2, the sliding rod 22 may be fixedly connected to the lower end of the stopper 1 through the second screw 3, and the connection strength between the sliding rod 22 and the stopper 1 is greater than the connection strength between the sliding rod 22 and the sliding rail 21. This ensures that the second screw 3 between the slide 22 and the stop 1 will not break before the first screw 25 breaks due to the impact force of the cage 6, which affects the cushioning mechanism 2 in its cushioning effect.
According to one embodiment of the present disclosure, as shown in fig. 2, the stopper 1 may be configured as a wedge gradually widening from an upper end to a lower end. The wedge-shaped block has a shape which gradually widens from the upper end to the lower end, so that the opening of the cage guide 5 gradually narrows, and an inward pressing force can be formed on the cage 6 in the falling, that is, the resistance of the cage 6 in the falling is increased by utilizing the shape of the stop block 1 itself. Referring also to fig. 1, the stopper 1 may be provided in plural in the up-down direction. The number of stops 1 may be set according to practical needs, such as the weight of the cage 6 and the height from the bottom of the well.
The stopper pieces 1 may be symmetrically provided at both sides of the inner wall of the cage guide 5 so that the cage guide 5 is formed as an inverted trapezoidal opening which narrows gradually from top to bottom. Compared with the structure that the stop block 1 is only arranged on the inner wall of one side of the cage guide 5, the stop blocks 1 are arranged on the inner walls of the two sides of the cage guide 5, so that inward extrusion force can be formed from the two sides of the cage 6, and the buffering effect is improved.
In general, the cage 6 includes a main cage and an auxiliary cage connected together, guides for lifting the main cage and guides for lifting the auxiliary cage are provided in the well, respectively, and the auxiliary cage is driven by the main cage to lift up and down in the guides 5, so that the parking device of the present disclosure may be provided only on the inner wall of the guides 5 on one side of the main cage as shown in fig. 1, and the auxiliary cage is stopped from falling when the main cage stops falling.
A parking device for a cage guide, which can be fully implemented according to the present disclosure, is exemplarily described below. As shown in fig. 1 to 3, when the cage 6 is dropped by accident, the cage body of the cage 6 presses the wedge-shaped stop block 1 provided on the inner wall of the cage guide 5 outwards, and the wedge-shaped stop block 1 forms an inward pressing force on the cage 6. The cage 6 continues to drop and pushes the stop plate 1 to swing outwards. The first screw 25 connected between the slide rail 21 and the T-shaped slide bar 22 breaks destructively due to the large impact force when the cage 6 is dropped, and the slide bar 22 starts to slide in the slide rail 21. During the movement of the slide bar 22 toward the bottom of the closed slide rail 21, the friction surface formed between the sliding portion 222 of the T-shaped slide bar 22 and the inner wall of the slide rail 21 can slow down the movement of the slide bar 22 toward the bottom of the slide rail 21. The slide bar 22 continues to move toward the bottom of the slide rail 21 until contacting the partition plate 24, and drives the partition plate 24 to move toward the bottom of the slide rail 21 together to compress the elastic member 23 and the hydraulic oil, and the hydraulic oil flows from the first chamber 211 to the second chamber 212, and the slide bar 22 continues to move until the elastic member 23 is completely compressed.
According to a second object of the present disclosure, there is provided a cage guide, as shown in fig. 1, the cage guide 5 including the above-mentioned parking device, the parking device being provided on an inner wall of the cage guide 5. The lower end of the inner wall of the cage guide 5 is provided with a reinforcing block 9 for reinforcing the cage guide 5. The reinforcing block 9 may be fixed to the inner wall of the cage guide 5 by an i-beam, and the strength of the connection between the reinforcing block 9 and the cage guide 5 may be changed by adjusting the density of the i-beam. When the cage 6 falls down, an outward pushing acting force is generated on the stop blocks 1 on two sides of the inner wall of the cage guide 5, so that the cage guide 5 bears the outward pushing force. The reinforcing blocks 9 at the bottom of the cage guide 6 can avoid deformation or loosening of the overall framework of the cage guide 5 and maintain the safe operation of the cage 6 on the cage guide 5. Likewise, the reinforcing blocks 9 may also be configured as wedge blocks that widen gradually from the upper end to the lower end, to further ensure that the falling cage 6 can land smoothly.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the embodiments described above, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations are not described further in this disclosure in order to avoid unnecessary repetition.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (4)
1. Parking device for cages, arranged on the inner wall of a cage guide (5), characterized in that it comprises a stop block (1) and a buffer mechanism (2):
The upper end of the stop block (1) is hinged to the inner wall of the cage guide (5), and the lower end of the stop block is connected with the buffer mechanism (2) and enables the opening of the cage guide (5) to gradually narrow from top to bottom under the support of the buffer mechanism (2);
The buffer mechanism (2) is provided with a sliding rail (21) and a sliding rod (22) transversely matched with the sliding rail (21) in a sliding manner, wherein the sliding rod (22) is fixedly connected with the sliding rail (21) through a first threaded piece (25), when the cage (6) falls down to push the sliding rod (22), the first threaded piece (25) is broken, the sliding rod (22) starts to slide in the sliding rail (21), one end of the sliding rod (22) extending out of the sliding rail (21) is fixedly connected with the lower end of the stop block (1) through a second threaded piece (3), and the connection strength between the sliding rod (22) and the stop block (1) is larger than that between the sliding rod (22) and the sliding rail (21);
An elastic piece (23) capable of being pushed by the sliding rod (22) to generate deformation is arranged in the sliding rail (21), the sliding rail (21) is constructed into a closed shell, a partition plate (24) is arranged in the shell, the partition plate (24) can be pushed by the sliding rod (22) to slide in the shell along the same sliding direction of the sliding rod (22), the partition plate (24) divides the shell into a first cavity (211) and a second cavity (212), and the elastic piece (23) is arranged between the partition plate (24) and the bottom of the shell; the shell is also filled with hydraulic oil, a first through hole (241) for the hydraulic oil to circulate between the first cavity (211) and the second cavity (212) is formed in the partition board (24), the sliding rod (22) is of a T shape and comprises a rod part (221) and a sliding part (222), the shape of the sliding part (222) is matched with that of the inner wall of the shell, and a friction surface is formed between the outer peripheral surface of the sliding part (222) and the inner wall of the shell; the sliding part (222) is provided with a second through hole (223), and the position of the second through hole (223) corresponds to the position of the first through hole (241);
The cage (6) can push the sliding rod (22) to slide and overcome the elastic force of the elastic piece (23) when the cage guide (5) is dropped, the elastic piece (23) is a plurality of reset springs with different lengths, the deformation directions of the reset springs are the same as the sliding direction of the sliding rod (22), and the reset springs can buffer step by step according to the impact force generated when the cage (6) is dropped.
2. Parking device for cages according to claim 1, characterized in that the stop block (1) is configured as a wedge block that gradually widens from the upper end to the lower end, the stop block (1) being provided with a plurality in the up-down direction.
3. Parking apparatus for cages according to claim 2, characterized in that the stopper blocks (1) are symmetrically provided on both sides of the inner wall of the cage guide (5) so that the cage guide (5) is formed as an inverted trapezoidal opening which narrows gradually from top to bottom.
4. A cage guide, characterized by comprising a parking device according to any one of claims 1-3, which parking device is arranged on the inner wall of the cage guide (5), the lower end of the inner wall of the cage guide (5) being provided with a reinforcing block (9) for reinforcing the cage guide (5), the reinforcing block (9) being configured as a wedge block widening gradually from the upper end to the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914002.4A CN110606423B (en) | 2019-09-25 | 2019-09-25 | Parking device for cage and cage guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914002.4A CN110606423B (en) | 2019-09-25 | 2019-09-25 | Parking device for cage and cage guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110606423A CN110606423A (en) | 2019-12-24 |
| CN110606423B true CN110606423B (en) | 2024-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910914002.4A Active CN110606423B (en) | 2019-09-25 | 2019-09-25 | Parking device for cage and cage guide |
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| CN (1) | CN110606423B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114408483B (en) * | 2021-11-25 | 2024-05-17 | 山东科硕自动化科技有限公司 | Track transfer equipment for square tube production, processing and conveying |
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| US1209361A (en) * | 1916-07-31 | 1916-12-19 | Carlo Tonielli | Elevator safety device. |
| CN205367387U (en) * | 2016-03-09 | 2016-07-06 | 恒达富士电梯有限公司 | High resiliency elevator buffer |
| CN207390729U (en) * | 2017-08-17 | 2018-05-22 | 四川建筑职业技术学院 | A kind of elevator anti-falling buffer pedestal |
| CN207726558U (en) * | 2017-12-21 | 2018-08-14 | 河北工业职业技术学院 | Elevator tenesmus buffer system |
| CN208684185U (en) * | 2018-07-31 | 2019-04-02 | 黄仕平 | A three-stage buffer and anti-fall mechanism for elevators |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202296676U (en) * | 2011-09-02 | 2012-07-04 | 陈新明 | Safety protection device for elevator |
| CN202916065U (en) * | 2012-11-23 | 2013-05-01 | 湖州师范学院 | Weight drop impulse measuring device |
| CN107438540A (en) * | 2016-03-25 | 2017-12-05 | 汪冰洋 | A kind of two-way multi-buffer system of cluster spring |
| CN211393450U (en) * | 2019-09-25 | 2020-09-01 | 内蒙古金陶股份有限公司 | Parking device for cage and cage guide |
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| CN110606423A (en) | 2019-12-24 |
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