CN219341579U - Automatic winding displacement tensioning mechanism - Google Patents

Abstract

The utility model discloses an automatic wire arranging tensioning mechanism which comprises a driving wheel assembly, a reciprocating driving piece, a movable support, a sliding connection slot and a pressing assembly, wherein the upper end of the inside of the movable support is provided with the reciprocating driving piece for driving the reciprocating driving piece to move, the middle of the movable support is provided with the driving wheel assembly, the lower end of the movable support is provided with the sliding connection slot, the inside of the movable support is provided with the pressing assembly, the pressing assembly corresponds to the driving wheel assembly up and down, the bottom surface of the inside of the movable support is fixedly provided with two elastic pushing pieces for pushing the pressing assembly upwards, and the two ends of the pressing assembly penetrate through and extend to the outer side of the sliding connection slot.

Description

Automatic winding displacement tensioning mechanism

Technical Field

The utility model relates to the technical field of winding displacement tensioning, in particular to an automatic winding displacement tensioning mechanism.

Background

When the steel wire rope of the winch is wound or released, the arrangement requirement on the winding drum is quite strict, if the phenomenon of disordered winding and overlapping winding is generated, the stability of the lifting or descending speed of the winch can be greatly influenced, the wire is arranged in a left-right swinging mode at present, the wire is not tensioned, and the requirement of people cannot be met.

Disclosure of Invention

The utility model aims to overcome the prior art, and provides the automatic winding displacement tensioning mechanism which is simple in structure and convenient to use, and the automatic winding displacement tensioning mechanism can enable the steel cable between the automatic winding displacement tensioning mechanism and the roller to be in a tensioning state and orderly wound and unwound when the steel cable is wound and unwound under the condition of no load, so that the loosening and disordered winding of the steel cable on the roller are prevented, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic winding displacement straining device, includes drive wheel subassembly, reciprocating drive piece, movable support, slip connection switch-on groove and compresses tightly the subassembly, movable support's inside upper end is equipped with the reciprocating drive piece that drives its removal, movable support's centre is equipped with drive wheel subassembly, and movable support's lower extreme is equipped with the slip connection switch-on groove, and movable support's inside is equipped with compresses tightly the subassembly, and it corresponds from top to bottom with drive wheel subassembly to compress tightly the subassembly, and movable support's inside bottom surface is fixed with two and upwards pushes up the elasticity top that moves to compressing tightly the subassembly, compress tightly the both ends of subassembly and run through and extend to the outside in slip connection switch-on groove.

Further, the reciprocating driving piece comprises a reciprocating screw, a through hole corresponding to the reciprocating screw is formed in the movable support, a crescent slide block in rotary connection is arranged on the movable support, the crescent slide block is located inside a groove of the reciprocating screw, and the movable support can be driven to reciprocate along the groove through rotation of the reciprocating screw.

Further, the driving wheel assembly comprises a one-way bearing fixed through a bearing seat and a movable support, the movable support is connected with a bearing through the bearing seat, an active tensioning wheel is arranged between the bearing and the outer side of the one-way bearing, a driving shaft in sliding connection is arranged between the bearing and a middle through hole of the one-way bearing, a sliding connection groove is formed in the driving shaft, a sliding connection groove corresponding to the driving shaft is formed in the bearing and the one-way bearing, the driving shaft can be driven to rotate through external driving, the active tensioning wheel can be driven to rotate positively through the driving shaft, when a steel rope is released, the driving shaft drives the active tensioning wheel to rotate, the speed during rotation is higher than that of the released steel rope, when the steel rope is retracted, the driving shaft stops rotating, the compression wheel and the active tensioning wheel clamp the steel rope, and the active tensioning wheel rotate by virtue of retracting pulling force, so that the steel rope is more compact during retraction.

Further, the compression assembly comprises a jacking shaft, two ends of the jacking shaft penetrate through and extend to the outer side of the sliding connection through groove, clamping rings are arranged at two ends of the jacking shaft, the outer side of the jacking shaft is connected with a compression wheel through a connecting bearing, the compression assembly can be jacked upwards through an elastic jacking piece, the compression wheel is driven to be pressed upwards, and a steel cable can be compressed through the compression wheel and the driving tensioning wheel.

Compared with the prior art, the utility model has the beneficial effects that: the automatic wire arranging tensioning mechanism has the advantages that the movable support can be driven to reciprocate along the groove through the rotation of the reciprocating screw rod, the driving shaft can be driven to rotate through the external driving, the driving tensioning wheel can be driven to rotate positively through the driving shaft, when a wire rope is released, the driving shaft drives the driving tensioning wheel to rotate, the speed during rotation is higher than that of the released wire rope, when the wire rope is retracted, the driving shaft stops rotating, the compression wheel and the driving tensioning wheel clamp the wire rope, the compression wheel and the driving tensioning wheel rotate by means of the pulling force of retraction of the wire rope, so that the wire rope is more compact when the wire rope is retracted, the compression assembly can be pushed upwards through the elastic pushing piece, the compression wheel is driven to be pushed upwards, the wire rope can be compressed through the compression wheel and the driving tensioning wheel, the automatic wire arranging tensioning mechanism is simple in structure and convenient to use, and the wire rope between the automatic wire arranging tensioning mechanism and the roller is in a tensioning state and is orderly retracted when the wire rope is retracted under a no-load condition, and the wire rope is prevented from being loosened and unordered wound on the roller.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model.

In the figure: the device comprises a driving wheel assembly 1, a bearing 11, a unidirectional bearing 12, a driving shaft 13, a driving tensioning wheel 14, a reciprocating driving piece 2, a crescent slide block 21, a reciprocating screw rod 22, a moving support 3, a sliding connection slot 4, a compressing assembly 5, a clamping ring 51, a supporting shaft 52, a compressing wheel 53 and an elastic supporting piece 6.

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.

Referring to fig. 1-2, the present utility model provides a technical solution: an automatic wire arranging tensioning mechanism comprises a driving wheel assembly 1, a reciprocating driving piece 2, a movable support 3, a sliding connection groove 4 and a compressing assembly 5, wherein the upper end of the inside of the movable support 3 is provided with the reciprocating driving piece 2 which drives the reciprocating driving piece to move, the middle of the movable support 3 is provided with the driving wheel assembly 1, the lower end of the movable support 3 is provided with the sliding connection groove 4, the inside of the movable support 3 is provided with the compressing assembly 5, the compressing assembly 5 corresponds to the driving wheel assembly 1 up and down, the bottom surface of the inside of the movable support 3 is fixedly provided with two elastic pushing pieces 6 which push the compressing assembly 5 upwards, two ends of the compressing assembly 5 penetrate and extend to the outer side of the sliding connection groove 4, the reciprocating driving piece 2 comprises a reciprocating screw 22, the movable support 3 is provided with a through hole corresponding to the reciprocating screw 22, and the movable support 3 is provided with a crescent slide block 21 which is rotationally connected, the crescent slide block 21 is positioned in a groove of the reciprocating screw 22, the reciprocating screw 22 rotates to drive the movable support 3 to reciprocate along the groove, the driving wheel assembly 1 comprises a one-way bearing 12 fixed with the movable support 3 through a bearing seat, the movable support 3 is connected with a bearing 11 through the bearing seat, a driving tensioning wheel 14 is arranged between the bearing 11 and the outer side of the one-way bearing 12, a driving shaft 13 in sliding connection is arranged between the bearing 11 and a middle through hole of the one-way bearing 12, a sliding connection groove is arranged on the driving shaft 13, the bearing 11 and the one-way bearing 12 are provided with flat keys corresponding to the sliding connection groove of the driving shaft 13, the driving shaft 13 can be driven to rotate through external driving, the driving tensioning wheel 14 can be driven to rotate positively through the driving shaft 13, when a steel cable is released, the driving shaft 13 drives the driving tensioning wheel 14 to rotate, and the speed during rotation is higher than the speed for releasing the steel cable, when the steel cable is retracted, the driving shaft 13 stops rotating, the compression wheel 53 and the driving tension wheel 14 clamp the steel cable, the compression wheel 53 and the driving tension wheel 14 rotate by means of the tension force of the retraction of the steel cable, so that the steel cable is retracted more tightly, the compression assembly 5 comprises a jacking shaft 52, two ends of the jacking shaft 52 penetrate through and extend to the outer side of the sliding connection through groove 4, two ends of the jacking shaft 52 are provided with clamping rings 51, the outer side of the jacking shaft 52 is connected with the compression wheel 53 through a connecting bearing, the compression assembly 5 can be jacked upwards through an elastic jacking piece 6, the compression wheel 53 is driven to press the steel cable upwards, and the steel cable can be compressed through the compression wheel 53 and the driving tension wheel 14.

When in use: the movable support 3 can be driven to reciprocate along the groove through the rotation of the reciprocating screw 22, the driving shaft 13 can be driven to rotate through the external driving, the driving tensioning wheel 14 can be driven to rotate positively through the driving shaft 13, when the steel cable is released, the driving shaft 13 drives the driving tensioning wheel 14 to rotate, the speed during rotation is higher than the speed for releasing the steel cable, when the steel cable is retracted, the driving shaft 13 stops rotating, the pressing wheel 53 and the driving tensioning wheel 14 clamp the steel cable, the pressing wheel 53 and the driving tensioning wheel 14 rotate by the pulling force of retraction of the steel cable, so that the steel cable is retracted more tightly, the pressing assembly 5 can be pushed upwards through the elastic pushing piece 6, the pressing wheel 53 is driven to press upwards, and the steel cable can be pressed through the pressing wheel 53 and the driving tensioning wheel 14.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.

Claims (4)

1. An automatic winding displacement straining device, includes drive wheel assembly (1), reciprocating drive piece (2), removal support (3), sliding connection draw-in groove (4) and compresses tightly subassembly (5), its characterized in that: the inside upper end of removal support (3) is equipped with the reciprocal driving piece (2) that drives its removal, the centre of removal support (3) is equipped with drive wheel assembly (1), and the lower extreme of removal support (3) is equipped with slip connection switch-on groove (4), and the inside of removal support (3) is equipped with compresses tightly subassembly (5), and it corresponds from top to bottom with drive wheel assembly (1) to compress tightly subassembly (5), and the inside bottom surface of removal support (3) is fixed with two and upwards pushes up the elasticity top that moves piece (6) that move to compressing tightly subassembly (5), the both ends that compress tightly subassembly (5) run through and extend to the outside of slip connection switch-on groove (4).

2. An automatic winding displacement tensioning mechanism according to claim 1, wherein: the reciprocating driving piece (2) comprises a reciprocating screw (22), a through hole corresponding to the reciprocating screw (22) is formed in the movable support (3), a crescent slide block (21) in rotary connection is arranged on the movable support (3), and the crescent slide block (21) is located in a groove of the reciprocating screw (22).

3. An automatic winding displacement tensioning mechanism according to claim 1, wherein: the driving wheel assembly (1) comprises a one-way bearing (12) fixed with the movable support (3) through a bearing seat, the movable support (3) is connected with a bearing (11) through the bearing seat, a driving tensioning wheel (14) is arranged between the bearing (11) and the outer side of the one-way bearing (12), a driving shaft (13) in sliding connection is arranged between the bearing (11) and a middle through hole of the one-way bearing (12), a sliding connection groove is formed in the driving shaft (13), and a flat key corresponding to the sliding connection groove of the driving shaft (13) is arranged on the bearing (11) and the one-way bearing (12).

4. An automatic winding displacement tensioning mechanism according to claim 1, wherein: the pressing assembly (5) comprises a jacking shaft (52), two ends of the jacking shaft (52) penetrate through and extend to the outer side of the sliding connection groove (4), clamping rings (51) are arranged at two ends of the jacking shaft (52), and the outer side of the jacking shaft (52) is connected with a pressing wheel (53) through a connecting bearing.

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