CN216190173U - Anti-falling safety device resetting and pre-tightening device - Google Patents
Anti-falling safety device resetting and pre-tightening device Download PDFInfo
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- CN216190173U CN216190173U CN202122484276.XU CN202122484276U CN216190173U CN 216190173 U CN216190173 U CN 216190173U CN 202122484276 U CN202122484276 U CN 202122484276U CN 216190173 U CN216190173 U CN 216190173U
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Abstract
The utility model provides a resetting and pre-tightening device for an anti-falling safety device, which is used for resetting and pre-tightening a large nut of the anti-falling safety device and is characterized in that: the anti-falling safety device resetting and pre-tightening device comprises a chain type cantilever, a driving mechanism, a clamping jaw piece and a supporting assembly; one end of the chain type cantilever is connected with the supporting component, the other end of the chain type cantilever is connected with a driving mechanism, and a clamping jaw piece is arranged on the driving mechanism; the chain type cantilever comprises at least two sub-cantilevers which are sequentially arranged, adjacent sub-cantilevers are rotatably connected, the sub-cantilever positioned at the head end is connected to the supporting assembly, and the sub-cantilever positioned at the tail end is connected to the driving mechanism; the driving mechanism can drive the clamping jaw piece to pre-tighten or reset the big nut, and when the position of the big nut changes, the sub-suspension arm can rotate to enable the positions of the driving mechanism and the clamping jaw piece to change along with the big nut. The problems that in the related art, a reset tool is labor-consuming, operation difficulty is high, and occupied physical space is large are solved.
Description
Technical Field
The utility model relates to the field of inspection and production of anti-falling safers, in particular to a resetting and pre-tightening device for an anti-falling safer.
Background
The anti-falling safety device is an important safety component of the gear-and-rack type construction elevator, when a suspension cage of the elevator falls in an accident, and the falling speed reaches the action speed of the anti-falling safety device, the anti-falling safety device can open a braking part to stop the suspension cage on the guide rail frame so as to protect the safety of equipment and passengers; the anti-falling safety device needs to be subjected to factory inspection, regular inspection and type test. According to standard requirements, the anti-falling safety device is reset after the test is completed, wherein the reset of the large nut is the most important and important work content.
In the related technology, a large torque is applied to a large nut by using a reset tool, and the large nut generates a torque with the same magnitude in the opposite direction to an operator; in order to prevent the operator who resets the large nut from being injured, the operator needs to have stronger strength and stability, the tighter reset of the large nut also needs to be matched by multiple people, and meanwhile, the efficiency of manual operation is lower; and the automatic device for resetting and pre-tightening the large nut in the related art is large in size and inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the utility model is as follows: in the related art, the resetting tool is labor-consuming, high in operation difficulty and large in occupied physical space.
In order to solve the technical problem, the embodiment of the utility model adopts the following technical scheme:
the embodiment of the utility model provides a reset and pre-tightening device of an anti-falling safety device, which is used for resetting and pre-tightening a large nut of the anti-falling safety device, and comprises a chain type cantilever, a driving mechanism, a jaw piece and a supporting assembly; one end of the chain type cantilever is connected with the supporting assembly, the other end of the chain type cantilever is connected with the driving mechanism, and the driving mechanism is provided with the clamping jaw piece; wherein the content of the first and second substances,
the chain type cantilever comprises at least two sub-cantilevers which are sequentially arranged, the adjacent sub-cantilevers are rotatably connected, the sub-cantilever positioned at the head end is connected to the supporting assembly, and the sub-cantilever positioned at the tail end is connected to the driving mechanism;
the driving mechanism can drive the clamping jaw piece to pre-tighten or reset the large nut, and when the axial position of the large nut changes, the sub-cantilever can rotate to enable the driving mechanism and the position of the clamping jaw piece to follow the change of the large nut.
Further, the sub-cantilever includes a cantilever section and a cantilever hinge, the cantilever section is connected to the cantilever hinge, the cantilever section of the cantilever hinge is connected to the corresponding cantilever section of the adjacent another cantilever hinge, and the cantilever hinge can rotate relative to the adjacent another cantilever hinge through the cantilever section.
Further, the axes of each of the cantilever segments are parallel to each other.
Furthermore, the cantilever hinge has a first end face and a second end face which are oppositely arranged and a third end face connected with the first end face and the second end face, and the cantilever section is oppositely arranged on the first end face and the second end face.
Furthermore, the cantilever hinge has a first end face and a second end face which are oppositely arranged and a third end face which is connected with the first end face and the second end face, and the cantilever section is arranged at the position where the first end face and the third end face are close to the second end face.
Further, the cantilever hinge has relative first terminal surface and the second terminal surface that sets up, the end corresponds the cantilever festival set up in first terminal surface, the second terminal surface is provided with the mounting bracket, actuating mechanism set up in the mounting bracket.
Furthermore, the supporting component comprises a supporting part and a connecting part, the connecting part is sleeved on the supporting part, the connecting part can move in the length direction of the supporting part to adjust the position, the connecting part can be fixed on the supporting part, and the connecting part is connected with the cantilever joint at the head end.
Further, the connecting piece includes the connecting body and connects the cantilever festival, the connecting body cover is located support piece, connect the cantilever festival set up in support piece one side, connect the cantilever festival with the head end corresponds the cantilever festival is connected, just the axis of connecting the cantilever festival with the axis of cantilever festival is parallel to each other.
Furthermore, the anti-falling safety device test bed is further included, and the supporting piece is arranged on the anti-falling safety device test bed.
Further, the driving mechanism is any one of an electric driving mechanism, a hydraulic driving mechanism or a manual driving mechanism.
The embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a resetting and pre-tightening device for an anti-falling safety device, which is used for resetting and pre-tightening a large nut of the anti-falling safety device and is characterized in that: the anti-falling safety device resetting and pre-tightening device comprises a chain type cantilever, a driving mechanism, a clamping jaw piece and a supporting assembly; one end of the chain type cantilever is connected with the supporting assembly, the other end of the chain type cantilever is connected with the driving mechanism, and the driving mechanism is provided with the clamping jaw piece; the chain type cantilever comprises at least two sub-cantilevers which are sequentially arranged, the adjacent sub-cantilevers are rotatably connected, the sub-cantilever at the head end is connected to the supporting assembly, and the sub-cantilever at the tail end is connected to the driving mechanism; the driving mechanism can drive the clamping jaw piece to pre-tighten or reset the large nut, and when the axial position of the large nut changes, the sub-cantilever can rotate to enable the driving mechanism and the position of the clamping jaw piece to follow the change of the large nut. According to the utility model, by controlling the rotation between the sub-cantilevers, in a working state, the sub-cantilevers are controlled to rotate to drive the driving mechanism and the jaw piece to move to a working position, and the driving mechanism is used for driving the jaw piece to reset or pre-tighten the large nut, wherein the sub-cantilevers can rotate to enable the jaws and the driving mechanism to be adjusted along with the change of the axial position of the large nut; after the operation is completed, the sub-cantilever is controlled to rotate to drive the driving mechanism and the clamping jaw piece to be far away from the working position, at the moment, the connection relationship between the sub-cantilevers can be utilized, the sub-cantilevers are rotated and contracted, the working space for other operations is vacated, and the problems that in the related art, a reset tool is hard, the operation difficulty is high, and the occupied physical space is large are solved.
Drawings
The detailed structure of the embodiment of the utility model is described in detail below with reference to the accompanying drawings
FIG. 1 is a first angle schematic view of a fall arrest safety device reset and pretensioning device according to an embodiment of the present invention;
FIG. 2 is a second perspective view of the fall arrest safety device repositioning and pretensioning device according to the embodiment of the present invention;
FIG. 3 is a schematic view of a first operating state of the fall arrest safety device resetting and pretensioning apparatus according to the embodiment of the present invention;
FIG. 4 is a schematic view of a second operating state of the fall arrest safety device resetting and pretensioning apparatus according to the embodiment of the present invention;
FIG. 5 is a schematic view of a third operating state of the fall arrest safety device resetting and pretensioning apparatus according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a chain type cantilever according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a support assembly according to an embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Referring to fig. 1 to 5, an embodiment of the utility model provides a falling protector resetting and pre-tightening device, which is used for resetting and pre-tightening a big nut 011 of a falling protector 01, and comprises a chain type cantilever 1, a driving mechanism 2, a jaw piece 3 and a support assembly 4; one end of the chain type cantilever 1 is connected with the supporting component 4, the other end of the chain type cantilever 1 is connected with the driving mechanism 2, and the driving mechanism 2 is provided with a clamping jaw piece 3; wherein the content of the first and second substances,
the chain type cantilever 1 comprises at least two sub-cantilevers 11 which are sequentially arranged, the adjacent sub-cantilevers 11 are rotatably connected, the sub-cantilever 11 at the head end is connected to the supporting component 4, and the sub-cantilever 11 at the tail end is connected to the driving mechanism 2;
the driving mechanism 2 can drive the claw piece 3 to pre-tighten or reset the big nut 011, and when the axial position of the big nut 011 changes, the sub-cantilever 11 can rotate to enable the positions of the driving mechanism 2 and the claw piece 3 to change along with the big nut 011.
According to the utility model, by controlling the rotation between the sub-cantilevers 11, in a working state, the sub-cantilevers 11 are controlled to rotate to drive the driving mechanism 2 and the jaw piece 3 to move to a working position, and the driving mechanism 2 is utilized to drive the jaw piece 3 to reset or pre-tighten the big nut 011, wherein the sub-cantilevers 11 can rotate to enable the jaw 3 and the driving mechanism 2 to be adjusted along with the axial position change of the big nut 011; after the operation is completed, the sub-cantilever 11 is controlled to rotate to drive the driving mechanism 2 and the clamping claw piece 3 to be far away from the working position, at the moment, the connection relation between the sub-cantilevers 11 can be utilized, the sub-cantilevers 11 are rotated and contracted, the working space for other operations is vacated, and the problems that in the related art, a reset tool is hard, the operation difficulty is high, and the occupied physical space is large are solved.
Further, referring to fig. 6, the sub-cantilever 11 includes a cantilever section 111 and a cantilever hinge 112, the cantilever section 111 is connected to the cantilever hinge 112, the cantilever section 111 of the cantilever hinge 112 is connected to a corresponding cantilever section 111 of another adjacent cantilever hinge 112, and the cantilever hinge 112 can rotate relative to the other adjacent cantilever hinge 112 through the cantilever section 111; the axes of each cantilever segment 111 are parallel to each other; the cantilever hinge 112 has a first end surface 1121 and a second end surface 1122 which are oppositely arranged, and a third end surface 1123 connected with the first end surface 1121 and the second end surface 1122, and the cantilever joint 111 is oppositely arranged on the first end surface 1121 and the second end surface 1122; the cantilever hinge 112 has a first end surface 1121 and a second end surface 1122 which are oppositely arranged, and a third end surface 1123 connected to the first end surface 1121 and the second end surface 1122, and the cantilever joint 111 is arranged at the first end surface 1121 and the third end surface 1123 near the second end surface 1122; the cantilever hinge 112 has a first end surface 1121 and a second end surface 1122 which are oppositely arranged, the cantilever joint 111 corresponding to the end is arranged on the first end surface 1121, the second end surface 1122 is provided with a mounting bracket 113, the driving mechanism 2 is arranged on the mounting bracket 113, and the driving mechanism 3 is any one of an electric driving mechanism, a hydraulic driving mechanism or a manual driving mechanism.
In this embodiment, when resetting or pre-tightening is to be performed, the cantilever hinge 112 is controlled to rotate through the cantilever joint 111, the claw member 3 rotates to drive the driving mechanism 2 and the claw member 3 to move to the working position, the claw member 3 is inserted into the slot of the big nut 011, and the driving mechanism 2 drives the claw member 3 to pre-tighten or reset the big nut 011; in the working process, the reaction torque during resetting or pre-tightening is transmitted by using the operation of the chain type cantilever 1.
During resetting or pre-tightening, the large nut 011 rotates to drive the jaw member 3 to move forwards or backwards, and the cantilever hinge 112 is controlled to rotate through the cantilever section 111 to correct the position of the jaw member 3.
After the pre-tightening or resetting is completed, the cantilever hinge 112 is controlled to rotate through the cantilever joint 111, and the end provided with the driving mechanism 2 is rotated to be far away from the anti-falling safety device 01, so that the working space required for other operations is vacated.
It should be noted that the cantilever joint 111 of the sub-cantilever 11 is oppositely disposed on the first end surface 1121 and the second end surface 1122; alternatively, the suspension arm joints 111 are disposed on the first end surface 1121 and the third end surface 1123 near the second end surface 1122, and the axes of the suspension arm joints 111 are parallel to each other; when the cantilever hinge 112 is convenient to rotate, the cantilever hinge 112 can be folded and contracted better, the cantilever hinge 112 at the tail end is provided with an installation frame 113, so that the driving mechanism 2 is convenient to install and a bearing platform is provided, wherein when the driving mechanism 2 is an electric driving mechanism, the driving mechanism comprises a speed reducing motor (namely a motor 21 and a speed reducer 22), the motor 21 is connected with the speed reducer 22, and the jaw piece 3 is connected with the speed reducer 22; in other embodiments, the driving mechanism 2 may be a hydraulic driving mechanism, in which case the hydraulic driving mechanism is a hydraulic motor or a hydraulic pump, or may be a manual driving mechanism, in which case the rotation of the arm hinge 112 may be manually driven.
Further, referring to fig. 7, the supporting assembly 4 includes a supporting member 41 and a connecting member 42, the connecting member 42 is sleeved on the supporting member 41, the connecting member 42 can move along the length direction of the supporting member 41 to adjust the position, the connecting member 42 can be fixed on the supporting member 41, and the connecting member 42 is connected to the cantilever joint 111 at the head end; the connecting member 42 includes a connecting body 421 and a connecting cantilever section 422, the connecting body 421 is sleeved on the supporting member 41, the connecting cantilever section 422 is disposed on one side of the supporting member 41, the connecting cantilever section 422 is connected to the cantilever section 111 corresponding to the head end, and the axis of the connecting cantilever section 422 is parallel to the axis of the cantilever section 111.
In this embodiment, the supporting member 41 is a hollow cylindrical body, which is sleeved outside the supporting member 41, can move along the length direction of the supporting member 41, and is used for adjusting the position of the chain-type cantilever 1, and can be fixed to the supporting member 41 after the position is adjusted, and the connecting cantilever joint 422 is used for being connected with the cantilever joint 111 at the head end, so that the chain-type cantilever 1 rotates relative to the supporting member 41 by using the supporting member 41 as a rotation axis.
The anti-falling safety device test bed comprises an anti-falling safety device test bed 5, and a supporting piece 41 is arranged on the anti-falling safety device test bed 5.
The anti-falling safety device resetting and pre-tightening device consists of a chain type cantilever 1, a driving mechanism 2 and a clamping jaw piece 3. The chain boom 1 is composed of a plurality of boom segments 111 and a boom hinge 112 (i.e., composed of a plurality of sub-booms 11). One end of the chain type cantilever 1 is fixed on a supporting component 4, and the supporting component 4 is directly or indirectly fixed on solid ground or on an anti-falling safety device test bed 5. And a driving mechanism 2 is arranged at the other end of the chain type cantilever 1, and a clamping jaw piece 3 is arranged on the driving mechanism 2.
In conclusion, the reset and pre-tightening device of the anti-falling safety device provided by the utility model has the advantages of convenience, labor saving, high efficiency, safety, compact structure and space saving, and solves the problems of labor waste, high operation difficulty and large occupied physical space of a reset tool in the related technology.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a prevent weighing down breaker resets and preloading device, prevent weighing down breaker resets and preloading device is used for preventing the big nut of weighing down breaker resets and pretension, its characterized in that: the anti-falling safety device resetting and pre-tightening device comprises a chain type cantilever, a driving mechanism, a clamping jaw piece and a supporting assembly; one end of the chain type cantilever is connected with the supporting assembly, the other end of the chain type cantilever is connected with the driving mechanism, and the driving mechanism is provided with the clamping jaw piece; wherein the content of the first and second substances,
the chain type cantilever comprises at least two sub-cantilevers which are sequentially arranged, the adjacent sub-cantilevers are rotatably connected, the sub-cantilever positioned at the head end is connected to the supporting assembly, and the sub-cantilever positioned at the tail end is connected to the driving mechanism;
the driving mechanism can drive the clamping jaw piece to pre-tighten or reset the large nut, and when the axial position of the large nut changes, the sub-cantilever can rotate to enable the driving mechanism and the position of the clamping jaw piece to follow the change of the large nut.
2. The fall arrest safety device reset and pretension apparatus of claim 1, wherein: the sub-cantilever comprises a cantilever section and a cantilever hinge, the cantilever section is connected with the cantilever hinge, the cantilever hinge is connected with the adjacent another cantilever section corresponding to the cantilever hinge, and the cantilever hinge can rotate relative to the adjacent another cantilever hinge through the cantilever section.
3. The fall arrest safety device reset and pretension apparatus of claim 2, wherein: the axes of each of the cantilever sections are parallel to each other.
4. The fall arrest safety device reset and pretension apparatus of claim 2, wherein: the cantilever hinge is provided with a first end face and a second end face which are oppositely arranged and a third end face which is connected with the first end face and the second end face, and the cantilever joint is oppositely arranged on the first end face and the second end face.
5. The fall arrest safety device reset and pretension apparatus of claim 2, wherein: the cantilever hinge is provided with a first end face and a second end face which are oppositely arranged and a third end face which is connected with the first end face and the second end face, and the cantilever joint is arranged at the position, close to the second end face, of the first end face and the third end face.
6. The fall arrest safety device reset and pretension apparatus of claim 2, wherein: the cantilever hinge has relative first terminal surface and the second terminal surface that sets up, the end corresponds the cantilever festival set up in first terminal surface, the second terminal surface is provided with the mounting bracket, actuating mechanism set up in the mounting bracket.
7. The fall arrest safety device reset and pretension apparatus of claim 3, wherein: the supporting component comprises a supporting piece and a connecting piece, the connecting piece is sleeved on the supporting piece, the connecting piece can move in the length direction of the supporting piece to adjust the position, the connecting piece can be fixed on the supporting piece, and the connecting piece is connected with the cantilever joint at the head end.
8. The fall arrest safety device reset and pretension apparatus of claim 7, wherein: the connecting piece includes the connecting body and connects the cantilever festival, the connecting body cover is located support piece, connect the cantilever festival set up in support piece one side, connect the cantilever festival with the head end corresponds the cantilever festival is connected, just the axis of connecting the cantilever festival with the axis of cantilever festival is parallel to each other.
9. The fall arrest safety device reset and pretension apparatus of claim 7, wherein: still include and prevent weighing down the breaker test bench, support piece set up in prevent weighing down the breaker test bench.
10. The fall arrest safety device reset and pretension apparatus of claim 1, wherein: the driving mechanism is any one of an electric driving mechanism, a hydraulic driving mechanism or a manual driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484276.XU CN216190173U (en) | 2021-10-14 | 2021-10-14 | Anti-falling safety device resetting and pre-tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484276.XU CN216190173U (en) | 2021-10-14 | 2021-10-14 | Anti-falling safety device resetting and pre-tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216190173U true CN216190173U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484276.XU Active CN216190173U (en) | 2021-10-14 | 2021-10-14 | Anti-falling safety device resetting and pre-tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216190173U (en) |
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2021
- 2021-10-14 CN CN202122484276.XU patent/CN216190173U/en active Active
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