CN219811864U - Pulley assembly for cable construction - Google Patents
Pulley assembly for cable construction Download PDFInfo
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- CN219811864U CN219811864U CN202321238237.4U CN202321238237U CN219811864U CN 219811864 U CN219811864 U CN 219811864U CN 202321238237 U CN202321238237 U CN 202321238237U CN 219811864 U CN219811864 U CN 219811864U
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- pulley
- cable
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000004677 Nylon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cable laying, in particular to a pulley assembly for cable construction, which comprises a base, wherein pulley brackets and paying-off brackets are respectively arranged on two opposite sides of the top end of the base, and the paying-off brackets are used for installing a wiring pulley disc; the pulley support is of a U-shaped structure and is installed on the top end of the base in an inverted mode, and a U-shaped frame is arranged on the top end of the pulley support; in the utility model, the cable is clamped between the first pulley and the second pulley through the telescopic adjusting structure to apply pretightening force; simultaneously, the two ends of the second pulley are respectively provided with a damping structure for reducing the rotation inertia force of the second pulley, so that the second pulley can rapidly stop rotating under the damping effect after the cable stops pulling, the cable passing through the first pulley and the second pulley is in a tightening state, the paying-off length of the cable on the wiring pulley disc can be reduced, the phenomenon that the cable is wound and knotted after the cable stops pulling is avoided, and the subsequent normal paying-off is ensured.
Description
Technical Field
The utility model relates to the technical field of cable laying, in particular to a pulley assembly for cable construction.
Background
In order to prevent the cable from scratching on the ground to cause insulation skin breakage in the construction process, the whole cable is replaced, the prior publication number is CN217807894U, a cable pulley pay-off rack is disclosed, a pulley assembly is fixed by utilizing a cable groove prefabricated in a unit in front of a station through combining with the actual condition of the site, the speed of cable laying in the construction process is ensured, and the damage to the cable skin in the process of laying a high-voltage cable is reduced.
However, the existing cable pulley pay-off rack cannot apply pretightening force to the cable coiled on the pulley disc in the paying-off process, so that the pulley disc continues to rotate under the action of tensile inertial force of the cable to pay-off after the cable stops pulling, a large amount of cables are easily wound and knotted after paying-off, and the follow-up normal paying-off is affected.
Disclosure of Invention
The utility model aims to provide a pulley assembly for cable construction, which mainly solves the technical problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the pulley assembly for cable construction comprises a base, wherein pulley brackets and paying-off brackets are respectively arranged on two opposite sides of the top end of the base, and the paying-off brackets are used for installing a wiring pulley disc;
the pulley support is of a U-shaped structure, the pulley support is reversely arranged at the top end of the base, a U-shaped frame is arranged at the top end of the pulley support, one side of the opening end of the U-shaped frame penetrates through the top end of the pulley support and extends to a position between the opposite surfaces of the base and the pulley support, a first pulley is arranged at the top end of the base, a second pulley is arranged at the top end of the base through two fixing blocks, the second pulley is located under the first pulley, and the first pulley and the second pulley are used for guiding and paying-off a cable;
the U-shaped frame is arranged at the top end of the pulley bracket through a telescopic adjusting structure, and the telescopic adjusting structure is used for clamping a cable between a first pulley and a second pulley to apply pretightening force;
damping structures are respectively arranged at two ends of the second pulley and used for reducing the rotation inertia force of the second pulley.
Preferably, the pay-off support comprises two support plates, the two support plates are symmetrically arranged at the top end of the base, strip-shaped grooves are respectively formed in opposite sides of the top ends of the two support plates, a threading rod is arranged between the two strip-shaped grooves, two ends of the threading rod are respectively inserted into the bottom ends of the inner walls of the strip-shaped grooves, and the wiring pulley disc is sleeved on the threading rod;
the central axis of the threading rod is parallel to the central axes of the first pulley and the second pulley respectively.
Preferably, the damping structure comprises a plurality of damping blocks, the damping blocks are uniformly arranged on one side of the end part of the second pulley along the ring shape, one side of the fixed block, which is close to the second pulley, is provided with a mounting groove, and the mounting groove is used for mounting the damping blocks;
the inner wall of mounting groove is provided with a set of spout at least, be provided with the slider in the spout, the slider is close to one side of damping piece sets up to the arc structure, the slider is kept away from one side of damping piece is provided with the spring, the other end of spring is installed on the inner wall of spout.
Preferably, the sliding direction of the sliding block is perpendicular to the central axis of the second pulley.
Preferably, the inner wall bottom of spout is provided with the slot, install the stopper in the slot, the bottom of slider is provided with the spacing groove, the top of stopper extends to in the spacing groove, the stopper is used for guaranteeing that the slider stretches out the spout with arc part, and other parts are located the spout.
Preferably, the telescopic adjusting structure comprises a screw rod, one end of the screw rod is installed at the top end of the pulley support through a rotating seat, the other end of the screw rod penetrates through the lower surface of the U-shaped frame and extends to the upper side of the U-shaped frame, a knob is installed on the upper side of the U-shaped frame, and the outer surface of the screw rod is in threaded connection with the inner wall of the U-shaped frame.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the cable is clamped between the first pulley and the second pulley through the telescopic adjusting structure to apply pretightening force, so that the first pulley and the second pulley conduct guiding paying-off on the cable; simultaneously, two ends of the second pulley are respectively provided with a damping structure for reducing the rotation inertia force of the second pulley, so that after the cable stops pulling, the second pulley is rapidly stopped rotating under the damping effect, the cable passing through the first pulley and the second pulley is in a tightening state, the paying-off length of the cable on the wiring pulley disc can be reduced, the phenomenon that the cable is wound and knotted after the cable stops pulling is avoided, and the subsequent normal paying-off is ensured; and, adjust the interval between first pulley and the second pulley through flexible regulation structure, can be applicable to the cable of different models and lead the unwrapping wire.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a pulley assembly for cable construction according to the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 in a paying-off state according to the present utility model;
FIG. 3 is a schematic diagram of a mating structure of the second pulley and the damping structure of FIG. 1 according to the present utility model;
FIG. 4 is a schematic diagram of the second pulley of FIG. 1 according to the present utility model;
in the figure: 1. the wire-laying pulley comprises a base, 2, a pulley bracket, 3, a supporting plate, 4, a strip-shaped groove, 5, a threading rod, 6, a U-shaped frame, 7, a first pulley, 8, a fixed block, 9, a second pulley, 10, a damping block, 11, a mounting groove, 12, a sliding groove, 13, a slot, 14, a sliding block, 15, a spring, 16, a limiting block, 17, a limiting groove, 18, a screw rod, 19, a knob, 20, a wire-laying pulley disc, 21 and a cable.
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.
As shown in fig. 1 to 4, the utility model provides a pulley assembly for cable construction, which comprises a base 1, wherein a pulley bracket 2 and a pay-off bracket are respectively welded on two opposite sides of the top end of the base 1, and the pay-off bracket is used for installing a wiring pulley disc 20; the pulley bracket 2 is of a U-shaped structure, the pulley bracket 2 is reversely arranged at the top end of the base 1, the top end of the pulley bracket 2 is slidably provided with a U-shaped frame 6 through a telescopic adjusting structure, one side of the opening end of the U-shaped frame 6 penetrates through the top end of the pulley bracket 2 and extends to a position between opposite surfaces of the base 1 and the pulley bracket 2 to be rotatably provided with a first pulley 7, the top end of the base 1 is provided with a second pulley 9 through two fixing blocks 8, the two fixing blocks 8 are detachably arranged at the top end of the base 1, the second pulley 9 is positioned under the first pulley 7, a cable 21 on a wiring pulley disc 20 penetrates between the first pulley 7 and the second pulley 9, and a pretightening force is applied between the first pulley 7 and the second pulley 9 through the telescopic adjusting structure so that the cable 21 is guided and paid-out by the first pulley 7 and the second pulley 9; meanwhile, damping structures are respectively arranged at two ends of the second pulley 9 and used for reducing the rotation inertia force of the second pulley 9, so that after the cable 21 stops pulling, the second pulley 9 rapidly stops rotating under the damping action, the cable 21 passing through the first pulley 7 and the second pulley 9 is in a tightening state, the paying-off length of the cable 21 on the wiring pulley disc 20 can be reduced, the phenomenon that the cable 21 is wound and knotted after the cable 21 stops pulling is avoided, and the subsequent normal paying-off is ensured;
and, adjust the interval between first pulley 7 and the second pulley 9 through flexible regulation structure, can be applicable to the direction unwrapping wire to the cable 21 of different models.
Further, the paying-off support comprises two support plates 3, the two support plates 3 are symmetrically welded at the top end of the base 1, strip-shaped grooves 4 are respectively formed in opposite sides of the top ends of the two support plates 3, a threading rod 5 is arranged between the two strip-shaped grooves 4, two ends of the threading rod 5 are respectively inserted into the bottom ends of the inner walls of the strip-shaped grooves 4, and a wiring pulley disc 20 is sleeved on the threading rod 5; and the central axis of the threading rod 5 is parallel to the central axes of the first pulley 7 and the second pulley 9 respectively; in the construction process, the threading rod 5 is taken out from the strip-shaped groove 4, then the wiring pulley disc 20 provided with the cable 21 is sleeved on the threading rod 5, and then the threading rod 5 is inserted back into the strip-shaped groove 4, so that the wiring pulley disc 20 can be conveniently and rapidly installed and replaced.
Further, the damping structure comprises a plurality of damping blocks 10, the damping blocks 10 are uniformly arranged on one side of the end part of the second pulley 9 along the ring shape, a mounting groove 11 is formed in one side, close to the second pulley 9, of the fixed block 8, the mounting groove 11 is used for mounting the damping blocks 10, and the mounting groove 11 is of a cylindrical structure and is used for driving the damping blocks 10 to rotate along the inner wall of the mounting groove 11 by the second pulley 9; the inner wall of the mounting groove 11 is at least provided with a group of sliding grooves 12, a sliding block 14 is slidably arranged in the sliding grooves 12, one side of the sliding block 14, which is close to the damping block 10, is provided with an arc-shaped structure, and the damping block 10 can conveniently extrude the sliding block 14 to slide along the inner wall of the sliding groove 12; a spring 15 is fixedly arranged on one side of the sliding block 14 away from the damping block 10, and the other end of the spring 15 is fixedly arranged on the inner wall of the sliding groove 12; when the damping block 10 extrudes the sliding block 14 towards the inside of the sliding groove 12, the sliding block 14 compresses the spring 15 to store force, so that after the damping block 10 loosens the sliding block 14, the sliding block 14 is driven to reset under the action of elastic restoring force of the spring 15, and the sliding block 14 is circularly extruded through the damping blocks 10 in the rotating process of the second pulley 9, so that the rotating inertia force of the second pulley 9 is reduced.
In the present embodiment, the sliding direction of the slider 14 is perpendicular to the central axis of the second pulley 9; simultaneously slot 13 has been seted up to the inner wall bottom of spout 12, has offered spacing groove 17 through screw fixed mounting in the slot 13 stopper 16, and the spacing inslot is seted up to the bottom of slider 14, is convenient for extend the top of stopper 16 to spacing inslot 17, carries out horizontal spacing to stopper 16 for guarantee that slider 14 stretches out spout 12 with the arc part, the rest is located spout 12, prevents spring 15 pops out slider 14 spout 12, makes damping piece 10 in the rotation in-process with slider 14 card dead in mounting groove 11.
It should be noted that: in this embodiment, in order to reduce collision noise generated when the damping block 10 presses the sliding block 14, both the damping block 10 and the sliding block 14 are made of nylon materials; meanwhile, in order to enhance the connection strength of the damping block 10 and the second pulley 9, the second pulley 9 and the damping block 10 are formed by adopting nylon rod turning, so that an integrated structure is formed.
Further, the telescopic adjusting structure comprises a screw rod 18, one end of the screw rod 18 is rotatably arranged at the top end of the pulley bracket 2 through a rotating seat, the other end of the screw rod 18 penetrates through the lower surface of the U-shaped frame 6 and extends to the upper side of the U-shaped frame 6 to be fixedly provided with a knob 19, and the outer surface of the screw rod 18 is in threaded connection with the inner wall of the U-shaped frame 6; before paying off, the screw rod 18 is driven to rotate through the rotating knob 19, the U-shaped frame 6 is driven to move upwards through the screw rod 18, the cable 21 can pass through the space between the first pulley 7 and the second pulley 9, and then the knob 19 is rotated reversely, so that the screw rod 18 drives the U-shaped frame 6 to move downwards, and the cable 21 is clamped between the first pulley 7 and the second pulley 9 to apply pretightening force.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. The utility model provides a pulley assembly for cable construction which characterized in that: the wire paying-off device comprises a base (1), wherein pulley brackets (2) and wire paying-off brackets are respectively arranged on two opposite sides of the top end of the base (1), and the wire paying-off brackets are used for installing a wire distributing pulley disc (20);
the pulley support (2) is of a U-shaped structure, the pulley support (2) is reversely arranged at the top end of the base (1), a U-shaped frame (6) is arranged at the top end of the pulley support (2), one side of the opening end of the U-shaped frame (6) penetrates through the top end of the pulley support (2) and extends to a position between opposite surfaces of the base (1) and the pulley support (2), a first pulley (7) is arranged between opposite surfaces of the base (1) and the pulley support (2), a second pulley (9) is arranged at the top end of the base (1) through two fixing blocks (8), the second pulley (9) is located under the first pulley (7), and the first pulley (7) and the second pulley (9) are used for guiding and paying-off a cable (21);
the U-shaped frame (6) is arranged at the top end of the pulley bracket (2) through a telescopic adjusting structure, and the telescopic adjusting structure is used for clamping a cable (21) between a first pulley (7) and a second pulley (9) to apply pretightening force;
damping structures are respectively arranged at two ends of the second pulley (9) and used for reducing the rotation inertia force of the second pulley (9).
2. The pulley assembly for cable construction of claim 1, wherein: the paying-off support comprises two support plates (3), wherein the two support plates (3) are symmetrically arranged at the top end of the base (1), strip-shaped grooves (4) are respectively formed in opposite sides of the top ends of the two support plates (3), a threading rod (5) is arranged between the two strip-shaped grooves (4), two ends of the threading rod (5) are respectively inserted into the bottom ends of the inner walls of the strip-shaped grooves (4), and the wiring pulley disc (20) is sleeved on the threading rod (5);
the central axis of the threading rod (5) is parallel to the central axes of the first pulley (7) and the second pulley (9) respectively.
3. The pulley assembly for cable construction of claim 1, wherein: the damping structure comprises a plurality of damping blocks (10), the damping blocks (10) are uniformly arranged on one side of the end part of the second pulley (9) along the ring shape, a mounting groove (11) is formed in one side, close to the second pulley (9), of the fixed block (8), and the mounting groove (11) is used for mounting the damping blocks (10);
the inner wall of mounting groove (11) is provided with a set of spout (12) at least, be provided with slider (14) in spout (12), one side that slider (14) are close to damping piece (10) sets up to the arc structure, one side that slider (14) kept away from damping piece (10) is provided with spring (15), the other end of spring (15) is installed on the inner wall of spout (12).
4. A pulley assembly for cable construction according to claim 3, wherein: the sliding direction of the sliding block (14) is perpendicular to the central axis of the second pulley (9).
5. The pulley assembly for cable construction of claim 4 wherein: the utility model discloses a sliding chute, including spout (12), including slider (14), recess (12), stopper (16), recess (13) are provided with in the inner wall bottom of spout (12), install stopper (16) in recess (13), the bottom of slider (14) is provided with spacing groove (17), the top of stopper (16) extends to in spacing groove (17), stopper (16) are used for guaranteeing that slider (14) stretch out spout (12) with arc part, and the rest is located spout (12).
6. The pulley assembly for cable construction of claim 1, wherein: the telescopic adjusting structure comprises a screw rod (18), one end of the screw rod (18) is installed at the top end of the pulley support (2) through a rotating seat, the other end of the screw rod (18) penetrates through the lower surface of the U-shaped frame (6) and extends to the upper portion of the U-shaped frame (6), a knob (19) is installed above the U-shaped frame (6), and the outer surface of the screw rod (18) is in threaded connection with the inner wall of the U-shaped frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238237.4U CN219811864U (en) | 2023-05-21 | 2023-05-21 | Pulley assembly for cable construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238237.4U CN219811864U (en) | 2023-05-21 | 2023-05-21 | Pulley assembly for cable construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219811864U true CN219811864U (en) | 2023-10-10 |
Family
ID=88216667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238237.4U Active CN219811864U (en) | 2023-05-21 | 2023-05-21 | Pulley assembly for cable construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219811864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117284862A (en) * | 2023-11-22 | 2023-12-26 | 国网江苏省电力有限公司连云港供电分公司 | Cable laying device for transformer substation construction |
-
2023
- 2023-05-21 CN CN202321238237.4U patent/CN219811864U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117284862A (en) * | 2023-11-22 | 2023-12-26 | 国网江苏省电力有限公司连云港供电分公司 | Cable laying device for transformer substation construction |
| CN117284862B (en) * | 2023-11-22 | 2024-04-26 | 国网江苏省电力有限公司灌南县供电分公司 | Cable laying device for transformer substation construction |
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