CN221116567U - Top punching blocking device for elevator maintenance - Google Patents
Top punching blocking device for elevator maintenance Download PDFInfo
- Publication number
- CN221116567U CN221116567U CN202322788223.6U CN202322788223U CN221116567U CN 221116567 U CN221116567 U CN 221116567U CN 202322788223 U CN202322788223 U CN 202322788223U CN 221116567 U CN221116567 U CN 221116567U
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- rod
- blocking
- blocking rod
- lock
- blocking device
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 80
- 238000004080 punching Methods 0.000 title claims abstract description 25
- 238000012423 maintenance Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model relates to the technical field of elevator maintenance and discloses a top-punching blocking device for elevator overhaul, which comprises an installation seat, a blocking rod, a switch bracket and a control switch, wherein the installation seat is used for being matched with the top of a lift car; the blocking rod is in a vertical state and a flat state, the lock rod is arranged on the mounting seat, the lock rod matched with the lock rod is arranged on the blocking rod, the vertical blocking rod is limited by adopting a strong and hard limiting mode of the lock rod and the lock hole, even if the blocking rod is affected by external factors, the blocking rod cannot fall down, the vertical state is always kept, and the operation safety of workers is guaranteed. In addition, as long as the blocking rod swings upwards to be separated from contact with the control switch, namely, the blocking rod can start circuit protection in an inclined or vertical state, the electric can not lift, and the maintenance safety is further improved.
Description
Technical Field
The utility model relates to the technical field of elevator maintenance, in particular to a top punching blocking device for elevator overhaul.
Background
At present, home elevators are increasingly increased, and the floor height of a building is also increasingly compact. When the staff carries out maintenance work at the elevator car roof, the elevator has the possibility of punching the roof, and in order to ensure the personal safety of the maintainer when overhauling at the top of the car, a roof punching blocking device is necessary.
In the case of the elevator car roof-punching preventing device disclosed in the patent with publication number (CN 217417807), a cam is required to be arranged on the operation preventing member to ensure that the cam can trigger the limit switch in the vertical state, and the operation preventing member is only under the flexible constraint by the tension spring, so that the self-dumping condition still exists in the vertical protection state of the operation preventing member, and the operation preventing member after dumping not only enables the cam to not trigger the limit switch, but also enables the safety circuit to be disconnected, so that the risk of elevator movement exists; in case the elevator suddenly collides with the top, the dumped control stopper cannot timely guarantee the safety of maintenance personnel.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of utility model
In view of the shortcomings of the prior art, the utility model aims to provide a top punching blocking device for elevator overhaul, which aims to better limit a vertical blocking rod and ensure the safety of overhaulers.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A top-punching blocking device for elevator maintenance comprises a mounting seat, a blocking rod, a switch bracket and a control switch, wherein the mounting seat is used for being matched with the top of a car; the blocking rod is in a vertical state and a flat state, and is characterized in that a lock rod is arranged on the mounting seat, the blocking rod is provided with a lock rod matched with the lock rod, and when the lock rod is inserted into the lock hole, the blocking rod is in a vertical state; the blocking rod can trigger the control switch in a flat-lying state to enable the safety circuit to be switched on.
As a further improvement of the above technical solution, the mounting base includes a fixing plate, a C-shaped enclosure disposed on the fixing plate, a mounting cavity is formed inside the C-shaped enclosure, and an end portion of the blocking rod is disposed in the mounting cavity.
As a further improvement of the technical scheme, the lock rod is a hand-screwed screw, and the C-shaped surrounding is provided with a threaded hole in threaded connection with the hand-screwed screw.
As a further improvement of the technical scheme, the lock rod is a bolt, and the C-shaped surrounding is provided with a through hole for the bolt to pass through.
As a further improvement of the technical scheme, the switch support is an L-shaped plate, the control switch is a micro switch, at least two first long holes extending along the left-right direction are formed in the horizontal portion of the L-shaped plate, first threaded holes which are the same in number and in one-to-one correspondence with the first long holes are formed in the fixing plate, first positioning screws matched with the first threaded holes are arranged at the positions of each first long hole, second long holes extending vertically are formed in the vertical portion of the L-shaped plate, second threaded holes which are the same in number and in one-to-one correspondence with the second long holes are formed in the micro switch, and second positioning screws matched with the second threaded holes are arranged at the positions of each second long hole.
As a further improvement of the technical scheme, the blocking rod is C-shaped steel, and the inner cavity surface of the C-shaped steel can trigger the micro switch.
As a further improvement of the technical scheme, a sealing plate is welded at the end part of the blocking rod, which is far away from the mounting seat, and a buffer is arranged on the sealing plate.
The utility model has the beneficial effects that: compared with the prior art, the utility model provides the top-punching blocking device for elevator maintenance, which adopts a strong and hard limiting mode of matching the lock rod and the lock hole to limit the vertical blocking rod, and even if the blocking rod is influenced by external factors, the blocking rod cannot topple, so that the vertical state is always kept, and the operation safety of staff is ensured. In addition, as long as the blocking rod swings upwards to be separated from contact with the control switch, namely, the blocking rod can start circuit protection in an inclined or vertical state, the electric can not lift, and the maintenance safety is further improved.
Drawings
Fig. 1 is a first perspective view of a blocking rod in a vertical state in the top punching blocking device provided by the utility model.
Fig. 2 is a second perspective view of the blocking lever in a vertical state in the top-punching blocking device provided by the utility model.
Fig. 3 is a first perspective view of the blocking lever in a flat-laying state in the top-punching blocking device provided by the utility model.
Fig. 4 is a second perspective view of the blocking lever in a flat-laying state in the top-punching blocking device provided by the utility model.
Description of main reference numerals: 1-mount, 11-fixed plate, 12-C shape surrounds, 2-hand screw, 3-blocking lever, 31-lockhole, 4-switch support, 41-first elongated hole, 42-first screw hole, 43-second elongated hole, 44-second screw hole, 5-control switch, 61-shrouding, 62-buffer.
Detailed Description
The utility model provides a top-punching blocking device for elevator maintenance, which is used for making the purposes, technical schemes and effects of the utility model clearer and more definite, and is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-4, the utility model provides a top-punching blocking device for elevator maintenance, which comprises a mounting seat 1 for being matched with the top of a car, a blocking rod 3 pivotally connected with the mounting seat 1, a switch bracket 4 arranged on the mounting seat 1, and a control switch 5 arranged on the switch bracket 4; the blocking rod 3 has a vertical state and a flat state, the installation seat 1 is provided with a locking rod, the blocking rod 3 is provided with a locking rod matched with the locking rod, and when the locking rod is inserted into the lock hole 31, the blocking rod 3 is in a vertical state; the blocking lever 3 can trigger the control switch 5 in the flat state, so that the safety circuit is completed.
During maintenance, the staff pulls the blocking rod 3 to erect, the blocking rod 3 is disconnected and connected with the control switch 5, the safety circuit is disconnected, the elevator can not move in a circuit protection mode, then the lock rod is inserted into the lock hole 31 to realize limiting, even if the blocking rod 3 is influenced by external factors, the blocking rod 3 can not fall down, the vertical state is always kept, and the safety coefficient is high.
Under normal conditions, the lock rod withdraws from the lock hole 31, the worker can fall down and keep flat the blocking rod 3, the blocking rod 3 touches the control switch 5, at the moment, the control switch 5 feeds back a signal to the elevator control system, so that the safety circuit is conducted, and the elevator can be normally used.
Compared with the prior art, the utility model provides the top-punching blocking device for elevator overhaul, which adopts a strong and hard limiting mode of matching the lock rod and the lock hole 31 to limit the vertical blocking rod 3, and even if the blocking rod 3 is influenced by external factors, the blocking rod 3 cannot topple, the vertical state is always kept, and the operation safety of staff is ensured. In addition, as long as the blocking rod 3 swings upwards and is separated from contact with the control switch 5, namely, the blocking rod 3 can start circuit protection in an inclined or vertical state, the electric can not move up and down, and the maintenance safety is further improved.
Specifically, the mounting base 1 includes a fixing plate 11, a C-shaped enclosure 12 disposed on the fixing plate 11, a mounting cavity is formed inside the C-shaped enclosure 12, and an end portion of the blocking rod 3 is disposed in the mounting cavity. The fixing plate 11 is provided with a fixing hole, and the whole punching blocking device is fixed at the top of the car through a fastening screw. The C-shaped surrounding 12 is welded with the fixing plate 11, and the front notch is formed on the C-shaped surrounding 12, so that the front notch can not only avoid the horizontal placing of the blocking rod 3, but also enable the switch bracket 4 to extend into the mounting cavity, and the structure is more compact.
In this embodiment, the lock rod is a hand-screwed screw 2, and the C-shaped enclosure 12 is provided with a threaded hole in threaded connection with the hand-screwed screw 2. The hand-screwed screw 2 is provided with a plum blossom rubber head, and a worker can screw the plum blossom rubber head to drive the screw rod part of the hand-screwed screw 2 to insert into or withdraw from the lock hole 31 under the condition that the worker does not use a tool.
In another embodiment, the lock rod is a latch, the C-shaped enclosure 12 is provided with a through hole for the latch to pass through, and the latch can lock the vertical blocking rod 3 after being inserted into the lock hole 31, so that the possibility of self-swinging and tilting of the blocking rod 3 is avoided, and the possibility is greatly improved.
Specifically, the switch bracket 4 is an L-shaped plate, and the control switch 5 is a micro switch; in order to better ensure that the micro-switch can be flatly blocked and triggered, the horizontal part of the L-shaped plate is provided with at least two first long holes 41 extending along the left-right direction, the fixing plate 11 is provided with first threaded holes 42 which are the same as the first long holes 41 in number and are in one-to-one correspondence, each first long hole 41 is provided with a first positioning screw matched with the first threaded hole 42, the vertical part of the L-shaped plate is provided with a second long hole 43 extending vertically, the micro-switch is provided with second threaded holes 44 which are the same as the second long holes 43 in number and are in one-to-one correspondence, and each second long hole 43 is provided with a second positioning screw matched with the second threaded hole 44. The switch bracket 4 can be moved by loosening the first positioning screw, so that the left and right positions of the micro switch are adjusted; and the second positioning screw is loosened, the vertical position of the micro switch can be adjusted, and after the position adjustment of the micro switch is flexibly completed, the first positioning screw and the second positioning screw are locked again.
Preferably, the blocking rod 3 is a C-shaped steel, the C-shaped steel not only has higher strength and rigidity and can bear larger load, the C-shaped steel also has a cavity for the micro-switch to enter, and in a non-overhauling state, the blocking rod 3 is in a flat-laid state, so that on one hand, the inner cavity surface of the C-shaped steel can trigger the micro-switch, the structure is compact, on the other hand, the C-shaped steel externally protects the micro-switch, and the damage of the micro-switch caused by external factors is reduced.
Preferably, a sealing plate 61 is welded at the end of the blocking rod 3 far away from the mounting seat 1, and a buffer 62 is arranged on the sealing plate 61. The buffer 62 is preferably a stud polyurethane buffer 62, the stud polyurethane buffer 62 utilizes a microporous bubble structure of polyurethane material to absorb energy and buffer, and even if a car is bumped, the buffer 62 can rapidly convert impact potential energy into elastic potential energy.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.
Claims (7)
1. A top-punching blocking device for elevator maintenance comprises a mounting seat, a blocking rod, a switch bracket and a control switch, wherein the mounting seat is used for being matched with the top of a car; the blocking rod is in a vertical state and a flat state, and is characterized in that a lock rod is arranged on the mounting seat, the blocking rod is provided with a lock rod matched with the lock rod, and when the lock rod is inserted into the lock hole, the blocking rod is in a vertical state; the blocking rod can trigger the control switch in a flat-lying state to enable the safety circuit to be switched on.
2. The roof punching blocking device for elevator maintenance according to claim 1, wherein the mounting base comprises a fixing plate, a C-shaped enclosure arranged on the fixing plate, a mounting cavity is formed inside the C-shaped enclosure, and one end of the blocking rod is arranged in the mounting cavity.
3. The roof punching blocking device for elevator maintenance according to claim 2, wherein the lock rod is a hand-screwed screw, and the C-shaped enclosure is provided with a threaded hole in threaded connection with the hand-screwed screw.
4. The roof punching blocking device for elevator maintenance according to claim 2, wherein the lock rod is a bolt, and the C-shaped enclosure is provided with a through hole for the bolt to pass through.
5. The top punching blocking device for elevator overhaul according to claim 2, wherein the switch support is an L-shaped plate, the control switch is a micro switch, at least two first long holes extending in the left-right direction are arranged on the horizontal portion of the L-shaped plate, first threaded holes which are the same as the first long holes in number and in one-to-one correspondence are arranged on the fixing plate, first positioning screws matched with the first threaded holes are arranged at each first long hole, second long holes which extend vertically are arranged on the vertical portion of the L-shaped plate, second threaded holes which are the same as the second long holes in number and in one-to-one correspondence are arranged on the micro switch, and second positioning screws matched with the second threaded holes are arranged at each second long hole.
6. The roof punching blocking device for elevator maintenance according to claim 5, wherein the blocking rod is a C-shaped steel, and an inner cavity surface of the C-shaped steel can trigger the micro switch.
7. A roof punching blocking device for elevator maintenance according to any of claims 1-6, characterized in that the end of the blocking rod remote from the mounting seat is welded with a sealing plate, on which a buffer is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788223.6U CN221116567U (en) | 2023-10-17 | 2023-10-17 | Top punching blocking device for elevator maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322788223.6U CN221116567U (en) | 2023-10-17 | 2023-10-17 | Top punching blocking device for elevator maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221116567U true CN221116567U (en) | 2024-06-11 |
Family
ID=91367045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322788223.6U Active CN221116567U (en) | 2023-10-17 | 2023-10-17 | Top punching blocking device for elevator maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221116567U (en) |
-
2023
- 2023-10-17 CN CN202322788223.6U patent/CN221116567U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |