CN213117371U - Anti-drop pulley structure - Google Patents
Anti-drop pulley structure Download PDFInfo
- Publication number
- CN213117371U CN213117371U CN202022063155.3U CN202022063155U CN213117371U CN 213117371 U CN213117371 U CN 213117371U CN 202022063155 U CN202022063155 U CN 202022063155U CN 213117371 U CN213117371 U CN 213117371U
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- CN
- China
- Prior art keywords
- pulley
- moving member
- anticreep
- roller
- drop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000009191 jumping Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Pulleys (AREA)
Abstract
The utility model discloses an anticreep pulley structure, including the pulley support, install the pulley on the pulley support, the pulley passes through the connecting piece and installs on the pulley support, run through on the pulley support and be equipped with the moving member rather than sliding connection, install adjusting screw between the upper end of moving member and pulley support, the installed part that is located the pulley top is installed to the moving member below, install the anticreep roller on the installed part, the anticreep groove is installed to the outer wall of anticreep roller, be equipped with elastic mechanism between installed part and the moving member, moving member and installed part are U type form, just the anticreep roller is installed at the inner wall of installed part and is rotated the connection. The utility model discloses it is rational in infrastructure, can carry out effectual spacing to the stay cord, make it be difficult for breaking away from the epaxial slot of pulley, and can be applicable to the stay cord of different external diameters, the usability is better, and can adjust with the spacing dynamics of stay cord.
Description
Technical Field
The utility model relates to a pulley technical field especially relates to an anticreep pulley structure.
Background
The pulley is a small wheel with a groove on the periphery and capable of rotating around a shaft. A simple machine consisting of a grooved disc rotatable about a central axis and a flexible cable (rope, tape, cable, chain, etc.) running over the disc, which can rotate about the central axis, is called a pulley.
The existing pulley is mostly installed on the support through a connecting piece, but the existing pulley is not provided with an anti-disengaging structure, namely, a groove on a stay rope on the pulley is prevented from jumping off, the stay rope is clamped between the pulley and the pulley due to the fact that the stay rope and the like possibly occur after jumping off the groove, the condition that the stay rope is broken possibly occurs, certain potential safety hazards exist, and therefore the anti-disengaging pulley structure is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the anti-disengaging pulley structure that proposes, it can carry out effectual spacing to the stay cord, makes it be difficult for breaking away from the epaxial slot of pulley, and can be applicable to the stay cord of different external diameters, and the usability is better, and can adjust with the spacing dynamics of stay cord.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an anticreep pulley structure, includes the pulley support, install the pulley on the pulley support, the pulley passes through the connecting piece and installs on the pulley support, run through on the pulley support and be equipped with the moving member rather than sliding connection, install adjusting screw between the upper end of moving member and pulley support, the installed part that is located the pulley top is installed to the moving member below, install the anticreep roller on the installed part, the anticreep groove is installed to the outer wall of anticreep roller, be equipped with elastic mechanism between installed part and the moving member.
Preferably, the moving member and the mounting member are both U-shaped, and the anti-slip roller is mounted on the inner wall of the mounting member and is rotatably connected thereto.
Preferably, the adjusting screw penetrates through the moving piece and is in threaded connection with the moving piece, the bottom of the adjusting screw is rotatably connected with the upper end of the pulley support, and the upper end of the adjusting screw is fixedly connected with the anti-skid block.
Preferably, two sliding grooves are arranged on the pulley support in a penetrating mode, and the moving piece penetrates through the two sliding grooves and is connected with the two sliding grooves in a sliding mode.
Preferably, the elastic mechanism comprises a first sleeve fixedly connected with the upper end of the mounting part, a second sleeve is connected in the first sleeve in a sliding mode, the upper end of the second sleeve is fixedly connected with the bottom of the moving part, a spring is fixedly connected between the moving part and the mounting part, and the spring is sleeved outside the first sleeve and the second sleeve.
Preferably, the anti-falling grooves are arranged in a concave surface mode, and the anti-falling grooves are distributed on the anti-falling roller in an annular mode.
Compared with the prior art, the utility model, its beneficial effect does:
1. the anti-skidding block is manually rotated, the adjusting screw rod can be rotated by rotating the anti-skidding block, and the moving piece can move upwards or downwards when the adjusting screw rod is rotated because the moving piece cannot rotate; for the pull rope with larger outer diameter, only the anti-drop groove is required to be abutted against the pull rope, when the pull rope jumps, the anti-drop roller moves upwards, and resistance can be generated on the anti-drop roller through the spring so as to block the jump of the pull rope, so that the pull rope is prevented from slipping out of the pulley groove; if the stay cord that the external diameter is less, adjust the anticreep roller and the pulley offset can, can be spacing to the stay cord through anticreep roller and elastic mechanism, make it can not break away from the pulley slot, the anticreep is effectual and application scope is wide.
2. Adjust the decurrent distance of moving member, can produce the extrusion to the spring is to the decurrent extrusion force grow of installed part, and then anticreep roller rebound's resistance grow, so can adjust the resistance to the stay cord anticreep.
To sum up, the utility model discloses rational in infrastructure can carry out effectual spacing to the stay cord, makes it be difficult for breaking away from the epaxial slot of pulley, and can be applicable to the stay cord of different external diameters, and the usability is better, and can adjust with the spacing dynamics of stay cord.
Drawings
Fig. 1 is a schematic structural view of an anti-drop pulley structure provided by the present invention;
fig. 2 is a schematic structural view of an elastic mechanism in the anti-disengaging pulley structure provided by the present invention.
In the figure: the anti-slip device comprises a pulley bracket 1, a pulley 2, a connecting piece 3, a sliding groove 4, a moving piece 5, an adjusting screw rod 6, a mounting piece 7, an anti-slip roller 8, an anti-slip groove 9, an elastic mechanism 10, an anti-slip block 11, a first sleeve 12, a second sleeve 13 and a spring 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, an anti-drop pulley structure comprises a pulley bracket 1, a pulley 2 is mounted on the pulley bracket 1, the pulley 2 is mounted on the pulley bracket 1 through a connecting piece 3, and the connecting piece 3 is a matched bolt and nut, which is the prior art and is not described in detail again; the pulley support 1 is provided with a moving member 5 in a penetrating manner, the moving member 5 is connected with the pulley support in a sliding manner, the pulley support 1 is provided with two sliding grooves 4 in a penetrating manner, and the moving member 5 penetrates through the two sliding grooves 4 and is connected with the sliding members in a sliding manner.
Install adjusting screw 6 between the upper end of moving member 5 and pulley support 1, adjusting screw 6 runs through moving member 5 and rather than threaded connection, and adjusting screw 6's bottom is rotated with pulley support 1's upper end and is connected, and adjusting screw 6's upper end fixedly connected with non slipping spur 11 rotates non slipping spur 11 and can rotate adjusting screw 6, because moving member 5 can't rotate, when consequently rotating adjusting screw 6, can realize moving member 5 and move up or down.
The mounting piece 7 is provided with an anti-drop roller 8, the outer wall of the anti-drop roller 8 is provided with an anti-drop groove 9, the anti-drop groove 9 is arranged in a concave surface manner, and the anti-drop groove 9 is annularly distributed on the anti-drop roller 8; be equipped with elastic mechanism 10 between installed part 7 and the moving member 5, elastic mechanism 10 includes the first sleeve pipe 12 with installed part 7 upper end fixed connection, sliding connection has second sleeve pipe 13 in first sleeve pipe 12, the upper end of second sleeve pipe 13 and the bottom fixed connection of moving member 5, fixedly connected with spring 14 between moving member 5 and the installed part 7, spring 14 cover is in the outside of first sleeve pipe 12 and second sleeve pipe 13, can support tightly to the stay cord, and the stay cord can be at certain within range activity, can not break away from the pulley slot, and then realize spacing the stay cord, make the stay cord can not follow the inslot slippage.
When the utility model is used, the worker can adjust the position of the anti-slip roller 8 according to the outer diameter of the stay cord, the worker can manually rotate the anti-slip block 11, the anti-slip block 11 can rotate the adjusting screw 6, and the moving member 5 can not rotate, so that the moving member 5 can move upwards or downwards when the adjusting screw 6 is rotated; for the pull rope with larger outer diameter, only the anti-drop groove 9 is required to be abutted against the pull rope, when the pull rope jumps, the anti-drop roller 8 moves upwards, and the spring 14 can generate resistance to the anti-drop roller 8 to further block the jump of the pull rope, so that the pull rope is prevented from slipping out of the pulley groove; if the stay cord that the external diameter is less, adjust anticreep roller 8 and pulley 2 offset can, can be spacing to the stay cord through anticreep roller 8 and elastic mechanism 10, make it can not break away from the pulley slot, the anticreep is effectual and application scope is wide.
Adjust the decurrent distance of moving member 5 simultaneously, can produce the extrusion to spring 14 is to the decurrent extrusion force grow of installed part 7, and then the resistance grow of anticreep roller 8 rebound, so can adjust the resistance to the stay cord anticreep, and is opposite on the same principle.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an anticreep pulley structure, includes pulley support (1), install pulley (2) on pulley support (1), install on pulley support (1) pulley (2) through connecting piece (3), its characterized in that, run through on pulley support (1) and be equipped with rather than sliding connection's moving member (5), install adjusting screw (6) between the upper end of moving member (5) and pulley support (1), installed part (7) that are located pulley (2) top are installed to moving member (5) below, install on installed part (7) anticreep roller (8), anticreep groove (9) are installed to the outer wall of anticreep roller (8), be equipped with elastic mechanism (10) between installed part (7) and moving member (5).
2. The structure of claim 1, wherein the moving member (5) and the mounting member (7) are U-shaped, and the anti-slip roller (8) is installed on the inner wall of the mounting member (7) and rotatably connected thereto.
3. The anti-drop pulley structure according to claim 1, wherein the adjusting screw (6) penetrates through the moving member (5) and is in threaded connection with the moving member, the bottom of the adjusting screw (6) is rotatably connected with the upper end of the pulley bracket (1), and the upper end of the adjusting screw (6) is fixedly connected with the anti-slip block (11).
4. The anti-drop pulley structure according to claim 1, characterized in that the pulley bracket (1) is provided with two sliding grooves (4) in a penetrating manner, and the moving member (5) penetrates through the two sliding grooves (4) and is connected with the sliding grooves in a sliding manner.
5. The anti-drop pulley structure according to claim 1, wherein the elastic mechanism (10) comprises a first sleeve (12) fixedly connected with the upper end of the mounting part (7), a second sleeve (13) is slidably connected with the first sleeve (12), the upper end of the second sleeve (13) is fixedly connected with the bottom of the moving part (5), a spring (14) is fixedly connected between the moving part (5) and the mounting part (7), and the spring (14) is sleeved outside the first sleeve (12) and the second sleeve (13).
6. The structure of claim 1, wherein the anti-drop grooves (9) are concave, and the anti-drop grooves (9) are annularly distributed on the anti-drop roller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022063155.3U CN213117371U (en) | 2020-09-20 | 2020-09-20 | Anti-drop pulley structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022063155.3U CN213117371U (en) | 2020-09-20 | 2020-09-20 | Anti-drop pulley structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117371U true CN213117371U (en) | 2021-05-04 |
Family
ID=75664165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022063155.3U Expired - Fee Related CN213117371U (en) | 2020-09-20 | 2020-09-20 | Anti-drop pulley structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251432A (en) * | 2021-12-30 | 2022-03-29 | 重庆运满机械设备有限公司 | Steel wire rope pressing device |
| CN115321404A (en) * | 2022-08-31 | 2022-11-11 | 安徽省中冶重工机械有限公司 | Universal multifunctional safety pulley special for piling ship |
-
2020
- 2020-09-20 CN CN202022063155.3U patent/CN213117371U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251432A (en) * | 2021-12-30 | 2022-03-29 | 重庆运满机械设备有限公司 | Steel wire rope pressing device |
| CN114251432B (en) * | 2021-12-30 | 2024-02-27 | 重庆运满机械设备有限公司 | Wire rope pressing device |
| CN115321404A (en) * | 2022-08-31 | 2022-11-11 | 安徽省中冶重工机械有限公司 | Universal multifunctional safety pulley special for piling ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |