CN220950714U - Down-travel preventing device and elevator device - Google Patents
Down-travel preventing device and elevator device Download PDFInfo
- Publication number
- CN220950714U CN220950714U CN202322642479.6U CN202322642479U CN220950714U CN 220950714 U CN220950714 U CN 220950714U CN 202322642479 U CN202322642479 U CN 202322642479U CN 220950714 U CN220950714 U CN 220950714U
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- China
- Prior art keywords
- section bar
- mounting plate
- guide rail
- switch
- descending
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Links
- 230000002265 prevention Effects 0.000 claims abstract description 22
- 238000010009 beating Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present utility model provides a descending prevention device and an elevator device, wherein the descending prevention device comprises: the mounting plate is positioned on the guide rail of the elevator and extends from one side of the guide rail to the other side of the guide rail; an electrical safety switch located at one end of the mounting plate; a switch beating plate hinged with one end of the mounting plate provided with the electric safety switch; the connecting section bar is positioned at one side of the switch beating plate far away from the mounting plate and is connected with the switch beating plate; the support section bar is positioned at one side of the connecting section bar, which is far away from the switch board, and is connected with the connecting section bar; and the action part buffer is positioned at one end of the supporting section bar. In the descending stopping device, the connecting section bar, the supporting section bar and the action part buffer are arranged, so that the descending stopping device has the advantages of being free from space limitation, small in structure, convenient and simple to mount and dismount and the like.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to a downlink stopping device and an elevator device.
Background
The descending stopping device of the existing elevator car is mostly composed of a section bar with strength and a polyurethane buffer, and is mostly fixedly installed in a pit by adopting expansion bolts. The normal state of the descending preventing device is that the descending preventing device is placed on the ground of the pit, and the safety switch is not operated at the moment; when personnel carry out maintenance and other operations in the pit, the descending preventing device is erected and the safety switch acts, so that the mechanical and electrical double protection is realized. At present, the existing descending blocking device only works when being erected in a pit, is determined by the height of a pit overhaul space in a standard, is sometimes arranged in the middle of the ground of the pit and is limited by the size of the pit area, so that the installation and the use of the existing descending blocking device are limited by more factors such as the space and the like, and the application range is narrow.
Disclosure of utility model
The utility model aims to provide a descending prevention device which has the advantages of no space limitation, small structure, convenience and simplicity in assembly and disassembly and the like.
To solve the problems in the prior art, in a first aspect, the present utility model provides a downlink blocking apparatus, including:
The mounting plate is positioned on the guide rail of the elevator and extends from one side of the guide rail to the other side of the guide rail;
an electrical safety switch located at one end of the mounting plate;
A switch beating plate hinged with one end of the mounting plate provided with the electric safety switch;
The connecting section bar is positioned at one side of the switch beating plate far away from the mounting plate and is connected with the switch beating plate;
the support section bar is positioned at one side of the connecting section bar, which is far away from the switch board, and is connected with the connecting section bar;
And the action part buffer is positioned at one end of the supporting section bar.
Optionally, the connection profile comprises a connection square tube profile, and the support profile comprises a support square tube profile.
Optionally, the action part buffer comprises an action part polyurethane buffer or an action part rubber buffer.
Optionally, the mounting plate is perpendicular to the guide rail.
Optionally, the support profile is perpendicular to the connection profile.
Optionally, the descending prevention apparatus further includes a hinge, and the switch board is hinged with the mounting plate via the hinge.
Optionally, the distance from the edge of the supporting profile away from the connecting profile to the end of the mounting plate, where the electric safety switch is arranged, is greater than or equal to the distance from the end of the mounting plate, where the electric safety switch is arranged, to the side of the guide rail away from the electric safety switch.
In a second aspect, the present utility model also provides an elevator apparatus comprising:
The guide rail is positioned in the pit and is vertically arranged in the pit;
The descent control device as claimed in the first aspect, located at a lower portion of the guide rail and located within the pit.
Optionally, the number of the guide rails and the number of the descending prevention devices are two, the two guide rails are arranged in parallel at intervals, and the descending prevention devices are arranged in one-to-one correspondence with the guide rails.
Optionally, the elevator apparatus further comprises:
A lifting device;
The elevator bridge carriage is positioned on the guide rail and connected with the lifting device, and can move up and down along the guide rail under the driving of the lifting device.
As described above, the downlink blocking apparatus of the present utility model has the following advantageous effects: in the descending stopping device, the connecting section bar, the supporting section bar and the action part buffer are arranged, so that the descending stopping device has the advantages of being free from space limitation, small in structure, convenient and simple to mount and dismount and the like.
Drawings
Fig. 1 is a schematic perspective view of a downlink blocking device according to the present utility model.
Description of element numbers: 1. mounting panel, 2, electric safety switch, 3, switch are beaten the board, 4, connecting section bar, 5, support section bar, 6, action portion buffer, 7, hinge, 8, guide rail.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
The descending stopping device of the elevator car is mostly composed of a section bar with strength and a polyurethane buffer, and is mostly fixedly installed in a pit by adopting expansion bolts. The normal state of the descending preventing device is that the descending preventing device is placed on the ground of the pit, and the safety switch is not operated at the moment; when personnel carry out maintenance and other operations in the pit, the descending preventing device is erected and the safety switch acts, so that the mechanical and electrical double protection is realized. The descending blocking device only works when being erected in the pit, is determined by the height of the pit overhaul space in the standard, is sometimes arranged in the middle of the ground of the pit and is limited by the size of the pit area, so that the installation and the use of the descending blocking device are limited by more factors such as the space and the like, and the application range is narrower. The descending preventing device is fixedly arranged at the pit by adopting an expansion bolt and is horizontally arranged on the bottom surface of the pit, so that the attractiveness of the glass hoistway sightseeing elevator is affected.
Example 1
Referring to fig. 1, the present utility model provides a downlink blocking device, which includes:
A mounting plate 1, the mounting plate 1 being located on a guide rail 8 of an elevator and extending from one side of the guide rail to the other side of the guide rail;
An electric safety switch 2, wherein the electric safety switch 2 is positioned at one end of the mounting plate 1;
A switch board 3, wherein the switch board 3 is hinged with one end of the mounting plate 1 provided with the electric safety switch 2;
A connecting section bar 4, wherein the connecting section bar 4 is positioned on one side of the switch board 3 away from the mounting plate 1 and is connected with the switch board 3;
A support section bar 5, wherein the support section bar 5 is positioned on one side of the connecting section bar 4 away from the switch board 3 and is connected with the connecting section bar 4;
An active portion damper 6, the active portion damper 6 being located at one end of the support profile 5.
In the descending prevention device, the connecting section bar 4, the supporting section bar 5 and the action part buffer 6 are arranged, so that the descending prevention device has the advantages of no space limitation, small structure, convenience and simplicity in installation and disassembly and the like.
Further, the support section bar 5, the connecting section bar 4 and the switch board 3 may be fixedly connected together in a welding manner.
As an example, the connecting profile 4 may include, but is not limited to, a connecting square tube profile, and the support profile may include, but is not limited to, a support square tube profile.
As an example, the action part buffer 6 may include, but is not limited to, an action part polyurethane buffer or an action part rubber buffer. Of course, in other examples, the active portion damper 6 may be another active portion damper with appropriate rigidity.
As an example, the descent prevention device may further comprise a fastener (not shown) via which the mounting plate 1 and the blast rail 8 may be fixedly connected.
As an example, the mounting plate 1 may be perpendicular to the guide rail 8.
As an example, the support profile 5 may be perpendicular to the connecting profile 4.
As an example, the descending prevention apparatus may further include a hinge 7, and the switch board 3 and the mounting plate 1 may be hinged via the hinge 7.
As an example, the distance from the edge of the support profile 5, which is remote from the connecting profile 4, to the end of the mounting plate 1, where the electric safety switch 2 is provided, is greater than or equal to the distance from the end of the mounting plate 1, where the electric safety switch 2 is provided, to the side of the guide rail, which is remote from the electric safety switch 2.
In this embodiment, the working principle of the downlink blocking device when being matched with an elevator is as follows: the descending prevention device is in a normal state, the switch beating plate 3 is pressed on the contact of the electric safety switch 2, at the moment, the switch beating plate 3 of the descending prevention device is pressed on the contact of the electric safety switch 2, at the moment, the buffer 6 of the acting part of the descending prevention device, the supporting section bar 5 and the connecting section bar 4 are all positioned in a non-projection plane of the running of the lift car on the guide rail 8, and the lift can realize normal running work; when the pit needs personnel to carry out maintenance and other operations, the action part buffer 6, the supporting section bar 5 and the connecting section bar 4 of the descending stopping device are overturned to the inner side of the guide rail 8 through the positions of the hinge 7, at the moment, the pressed electric safety switch 2 is loosened, the action part buffer 6, the supporting section bar 5 and the connecting section bar 5 are positioned in the projection plane of the running of the lift car, and the lift cannot normally run and work, so that the safety of the pit operators is ensured.
The descending prevention device in the embodiment can completely reduce the dependence on the size of the pit space, reduce the requirement on the size of the pit space, and has a smaller, more flexible and attractive structure.
Example two
Continuing with fig. 1, there is also provided in this embodiment an elevator apparatus including:
a guide rail 8, the guide rail 8 being located in a pit (not shown) and being vertically disposed in the pit;
A downlink blocking device according to one embodiment is located in the lower part of the rail 8 and in the pit.
As an example, the number of the guide rails 8 and the number of the descending prevention devices are two, the two guide rails 8 are arranged in parallel at intervals, and the descending prevention devices are arranged in one-to-one correspondence with the guide rails 8.
Specifically, in this embodiment, the guide rails 8 at two sides of the pit are respectively provided with the downlink blocking devices, so that a failure problem caused by a failure of one group of the downlink blocking devices can be avoided, the failure problem is not easy to occur, and absolute strength guarantee can be provided.
As an example, the elevator apparatus further comprises:
Lifting devices (not shown);
An elevator bridge (not shown) is located on the guide rail 8 and connected to the lifting device, and can move up and down along the guide rail 8 under the driving of the lifting device.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A downstream blocking device, comprising:
The mounting plate is positioned on the guide rail of the elevator and extends from one side of the guide rail to the other side of the guide rail;
an electrical safety switch located at one end of the mounting plate;
A switch beating plate hinged with one end of the mounting plate provided with the electric safety switch;
The connecting section bar is positioned at one side of the switch beating plate far away from the mounting plate and is connected with the switch beating plate;
the support section bar is positioned at one side of the connecting section bar, which is far away from the switch board, and is connected with the connecting section bar;
And the action part buffer is positioned at one end of the supporting section bar.
2. The downgoing prevention device according to claim 1, wherein the connection profile comprises a connection square tube profile and the support profile comprises a support square tube profile.
3. The downstream blocking device according to claim 1, wherein the action portion damper comprises an action portion polyurethane damper or an action portion rubber damper.
4. The descent control device of claim 1, wherein the mounting plate is perpendicular to the rail.
5. The downgoing prevention device according to claim 1, wherein the support profile is perpendicular to the connection profile.
6. The downgoing prevention device of claim 1, further comprising a hinge, the switch strike plate being hinged with the mounting plate via the hinge.
7. The descending prevention apparatus according to claim 1, wherein a distance from an edge of the support profile away from the connection profile to an end of the mounting plate where the electric safety switch is provided is greater than or equal to a distance from an end of the mounting plate where the electric safety switch is provided to a side of the guide rail away from the electric safety switch.
8. An elevator apparatus, characterized in that the elevator apparatus comprises:
The guide rail is positioned in the pit and is vertically arranged in the pit;
A downlink blocking apparatus as claimed in any one of claims 1 to 7, located in a lower portion of the rail and within the pit.
9. The elevator apparatus of claim 8, wherein the number of guide rails and the number of descending prevention devices are two, the two guide rails are arranged in parallel at intervals, and the descending prevention devices are arranged in one-to-one correspondence with the guide rails.
10. The elevator apparatus of claim 9, wherein the elevator apparatus further comprises:
A lifting device;
The elevator bridge carriage is positioned on the guide rail and connected with the lifting device, and can move up and down along the guide rail under the driving of the lifting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642479.6U CN220950714U (en) | 2023-09-27 | 2023-09-27 | Down-travel preventing device and elevator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322642479.6U CN220950714U (en) | 2023-09-27 | 2023-09-27 | Down-travel preventing device and elevator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220950714U true CN220950714U (en) | 2024-05-14 |
Family
ID=91011526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322642479.6U Active CN220950714U (en) | 2023-09-27 | 2023-09-27 | Down-travel preventing device and elevator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220950714U (en) |
-
2023
- 2023-09-27 CN CN202322642479.6U patent/CN220950714U/en active Active
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