CN212450085U

CN212450085U - Tensioning device for cable

Info

Publication number: CN212450085U
Application number: CN202020916152.7U
Authority: CN
Inventors: 施卫南
Original assignee: Jiangsu Xinshanfeng Cable Co Ltd
Current assignee: Jiangsu Xinshanfeng Cable Co Ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-02
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a tensioning device for cables, which comprises a frame, a coarse adjustment component and a fine adjustment component, wherein the coarse adjustment component and the fine adjustment component are arranged on the frame, the frame comprises a supporting plate, the coarse adjustment component comprises a rotating wheel which is rotatably arranged on the side wall of the supporting plate, a locking structure which is arranged between the supporting plate and the rotating wheel and a driving rod with one end hinged at the edge of the rotating wheel, the fine adjustment component comprises a sliding block which is arranged on the supporting plate in a sliding way along the longitudinal direction and a motor which, install the driving gear on the output shaft of motor, rotate driven gear who installs on the slider and rotationally install the tensioning roller on driven gear, the cable is set up on the tensioning roller, and the one end of rotating the wheel is kept away from to the actuating lever is articulated with the slider, and the setting of staggering of the center pin of tensioning roller and driven gear's center pin, driving gear and driven gear meshing, the external diameter of driving gear is less than driven gear's external diameter. The utility model discloses a overspeed device tensioner for cable has improved work efficiency, has reduced the waste, and extensive applicability.

Description

Tensioning device for cable

Technical Field

The utility model relates to a cable tensioning technical field especially relates to a overspeed device tensioner for cable.

Background

After the cable processing is accomplished, for the convenience cable is stored and is transported, need convolute the cable on the I-shaped wheel usually, the coiling in-process, and suitable tension is the important factor of guaranteeing normal coiling work, and the not enough circumstances such as can lead to the cable to skid of cable tension, and cable tension is too big can damage cable structure itself, shortens cable life.

At present, the tensioning process of a cable generally adopts a tensioning wheel to perform tensioning operation, the tensioning wheel is fixedly installed on a machine frame, the position of the tensioning wheel cannot be adjusted, and only the tensioning wheel with the proper outer diameter size can be installed generally to achieve tensioning. In this mode, when the take-up pulley wearing and tearing were serious, only can the more new take-up pulley continue work, when leading to the fact extravagant, also increased workman's intensity of labour to, during the cable tensioning operation, need constantly change a plurality of take-up pulleys in order to match the take-up pulley that the external diameter size is suitable, further increased intensity of labour, also difficult with cable quick adjustment to suitable tensioning degree, work efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the above-mentioned defects in the prior art, a tensioning device for cables is provided, which has high efficiency and can reduce waste.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a overspeed device tensioner for cable for the tensioning cable, overspeed device tensioner for cable includes the frame and installs coarse adjusting subassembly and fine setting subassembly in the frame, the frame includes the backup pad, coarse adjusting subassembly includes rotationally installs rotation wheel on the backup pad lateral wall, sets up the backup pad with lock structure and one end between the rotation wheel articulate the actuating lever at the rotation wheel edge, fine setting subassembly includes along vertical slidable ground set up slider in the backup pad, connect motor on the slider, install driving gear on the output shaft of motor, rotate and install driven gear on the slider and rotationally install the tensioning roller on driven gear, the cable is set up on the tensioning roller, the one end that the rotation wheel was kept away from to the actuating lever is articulated with the slider, the center pin of tensioning roller with driven gear's center pin staggers the setting, the driving gear with driven gear meshes, the external diameter of driving gear is less than driven gear's external diameter.

Further, the tensioning roller is cylindric structure, the periphery face of tensioning roller is fitted with a contraceptive ring and is equipped with the recess, the cable is taken and is established in the recess.

Further, the slider with the lateral wall of backup pad is laminated mutually, the slider with in two binding face of backup pad, one of them be provided with the guide slot on the binding face, another be provided with the guide rail on the binding face, the guide slot with the guide rail is all along vertically setting up, the guide slot with guide rail sliding fit connects.

Further, the center of the rotating wheel is fixedly provided with a first rotating shaft, a first bearing is installed in the supporting plate, the outer ring of the first bearing is fixedly installed in the supporting plate, and the inner ring of the first bearing is sleeved outside the first rotating shaft.

Further, a second rotating shaft is fixedly mounted at the center of the driven gear, a second bearing is mounted in the sliding block, an outer ring of the second bearing is fixedly mounted in the sliding block, and an inner ring of the second bearing is sleeved outside the second rotating shaft.

Furthermore, the locking structure is a bolt, the supporting plate is provided with an insertion hole, the rotating wheel is provided with a plurality of through holes, the through holes correspond to the insertion hole, the through holes are located on the same circumference, and the bolt penetrates through the through holes and then is connected with the insertion hole.

Furthermore, a hand wheel is installed on one side, far away from the supporting plate, of the rotating wheel.

Further, the motor is a forward and reverse rotating motor.

Further, the rack also comprises a base, the supporting plate is fixedly arranged on the upper end face of the base, and the supporting plate is perpendicular to the base.

The utility model has the advantages that: the utility model provides a overspeed device tensioner for cable rotates thereby it drives slider longitudinal movement to rotate the wheel, so realized preliminary tensioning, motor drive driven gear rotates and then changes the height of tensioning roller to this has realized the secondary tensioning, and tensioning degree adjusts the accuracy, and convenient operation has improved work efficiency, and when the tensioning roller wearing and tearing, only need through coarse adjusting subassembly and fine setting subassembly adjust the height of tensioning roller can, need not the tensioning roller of renewal, the waste has been reduced, and extensive applicability.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a tensioning device for cables according to the present invention;

fig. 2 is a cross-sectional view along a-a of the tensioner for cables shown in fig. 1.

In the figure: 1. the device comprises a cable, 10, a rack, 11, a base, 12, a supporting plate, 121, a first bearing, 122, a jack, 20, a coarse adjustment assembly, 21, a rotating wheel, 211, a first rotating shaft, 212, a hand wheel, 213, a through hole, 22, a locking structure, 23, a driving rod, 30, a fine adjustment assembly, 31, a sliding block, 311, a second bearing, 32, a motor, 33, a driving gear, 34, a driven gear, 341, a second rotating shaft, 35, a tensioning roller, 351 and a groove.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Please refer to fig. 1 and 2, the utility model provides a tensioning device for cable for tensioning operation is carried out to cable 1, the both ends of cable 1 in fig. 2 adopt the truncation to handle, this tensioning device for cable includes frame 10 and installs coarse adjusting component 20 and fine adjusting component 30 in frame 10, coarse adjusting component 20 is used for driving fine adjusting component 30 activity, coarse adjusting component 20 is used for carrying out preliminary tensioning to cable 1, fine adjusting component 30 is used for carrying out the secondary tensioning to cable 1, preliminary tensioning process is the coarse adjusting process, the secondary tensioning is the fine adjusting process.

The frame 10 includes a base 11 and a supporting plate 12 connected to the base 11, the supporting plate 12 is fixedly mounted on an upper end surface of the base 11, the supporting plate 12 is perpendicular to the base 11, the base 11 is used for supporting the supporting plate 12, and in use, the base 11 is fixedly mounted on a bearing plane (e.g., the ground).

The rough adjusting assembly 20 includes a rotating wheel 21 rotatably installed on a side wall of the support plate 12, a locking structure 22 provided between the support plate 12 and the rotating wheel 21, and a driving lever 23 having one end hinged to an edge of the rotating wheel 21.

The rotary wheel 21 is substantially cylindrical, a first rotating shaft 211 is fixedly installed at the center of the rotary wheel 21, and one end of the first rotating shaft 211 is rotatably installed on the support plate 12. In this embodiment, the first bearing 121 is installed in the support plate 12, the first rotating shaft 211 is connected to the first bearing 121, specifically, an outer ring of the first bearing 121 is fixedly installed in the support plate 12, an inner ring of the first bearing 121 is sleeved on the outside of the first rotating shaft 211, and the first bearing 121 is provided to ensure that the rotating wheel 21 smoothly rotates. In addition, a hand wheel 212 is installed on one side of the rotating wheel 21 away from the support plate 12, and a user rotates the hand wheel 212 to drive the rotating wheel 21 to rotate.

In this embodiment, the locking structure 22 is a latch. Specifically, the support plate 12 is provided with an insertion hole 122, the rotating wheel 21 is provided with a plurality of through holes 213, the through holes 213 correspond to the insertion hole 122, the through holes 213 are located on the same circumference, and the latch passes through the through holes 213 and then is connected with the insertion hole 122, so that the support plate 12 and the rotating wheel 21 are locked, and at this time, the rotating wheel 21 cannot rotate relative to the support plate 12; when the latch is removed, the locking relationship between the support plate 12 and the rotary wheel 21 is released and the rotary wheel 21 can rotate relative to the support plate 12. It can be understood that the locking structure 22 can also be a connecting piece, when the rotating disc 21 rotates in place, two sides of the connecting piece are respectively fixedly connected with the rotating wheel 21 and the support plate 12 through bolts, and the structure of the locking structure 22 is not limited, and only the requirement that the support plate 12 and the rotating wheel 21 can be locked is met.

The fine adjustment assembly 30 includes a slide block 31 slidably disposed on the support plate 12 in a longitudinal direction, a motor 32 connected to the slide block 31, a driving gear 33 mounted on an output shaft of the motor 32, a driven gear 34 rotatably mounted on the slide block 31, and a tension roller 35 rotatably mounted on the driven gear 34, a central axis of the tension roller 35 is disposed to be staggered from a central axis of the driven gear 34, the driving gear 33 and the driven gear 34 are engaged with each other, and an outer diameter of the driving gear 33 is smaller than an outer diameter of the driven gear 34.

The sliding block 31 is located above the rotating wheel 21, in this embodiment, the sliding block 31 is attached to the side wall of the support plate 12, one of two attaching surfaces of the sliding block 31 and the support plate 12 is provided with a guide groove (not shown), the other attaching surface is provided with a guide rail (not shown), the guide groove and the guide rail are both longitudinally arranged, and the guide groove is connected with the guide rail in a sliding fit manner, so that the sliding block 31 can move longitudinally upwards or downwards, and the whole fine adjustment assembly 30 is driven to move upwards or downwards, thus the coarse adjustment process is realized.

In addition, one end of the driving rod 23, which is far away from the rotating wheel 21, is hinged to one side of the slider 31, and when the user rotates the rotating wheel 21 in forward and reverse directions, the slider 31 can move up or down under the action of the driving rod 23.

The driven gear 34 is located above the motor 32, a second rotating shaft 341 is fixedly installed at the center of the driven gear 34, and one end of the second rotating shaft 341 is rotatably installed on the slider 31. In this embodiment, the second bearing 311 is installed in the slider 31, the second rotating shaft 341 is connected to the second bearing 311, specifically, the outer ring of the second bearing 311 is fixedly installed in the slider 31, the inner ring of the second bearing 311 is sleeved outside the second rotating shaft 341, and the second bearing 311 is provided to ensure smooth rotation of the driven gear 34.

The operation process of the fine adjustment assembly 30 is as follows: will treat that the cable 1 of tensioning sets up at the top of tensioning roller 35, starter motor 32, motor 32 drives driving gear 33 and rotates, drive driven gear 34 rotates when driving gear 33 rotates, and then drive tensioning roller 35 and rotate around driven gear 34's center pin, tensioning roller 35 pivoted in-process, tensioning roller 35's height changes, when tensioning roller 35's height risees, the tensioning degree of cable 1 promotes, when tensioning roller 35's height reduces, the tensioning degree of cable 1 weakens. Since the outer diameter of the driving gear 33 is smaller than the outer diameter of the driven gear 34, the driven gear 34 rotates at a slower speed than the driving gear 33, thereby facilitating fine adjustment of the height of the tension roller 35. In addition, because tensioning roller 35 rotates and installs on driven gear 34, tensioning roller 35 can take place to rotate when cable 1 removes, has reduced the frictional force between tensioning roller 35 and the cable 1, makes things convenient for cable 1 to remove, has also promoted tensioning roller 35's life. When the tensioning roller 35 is worn, the height of the tensioning roller 35 can be adjusted only through the rough adjusting component 20 and the fine adjusting component 30, the tensioning roller 35 does not need to be replaced with a new tensioning roller, waste is reduced, and the applicability is wide. In the present embodiment, the motor 32 is a forward/reverse rotation motor.

In a specific embodiment, the tension roller 35 has a substantially cylindrical structure, the outer circumferential surface of the tension roller 35 is annularly provided with a groove 351, and the cable 1 is erected in the groove 351 during the tensioning operation, so that the cable 1 is effectively prevented from being pulled out from the tension roller 35.

The utility model provides a overspeed device tensioner for cable rotates thereby it drives slider 31 longitudinal movement to rotate wheel 21, so realized preliminary tensioning, motor 32 drive driven gear 34 rotates and then changes the height of tensioning roller 35, secondary tensioning has been realized to this, the tensioning degree is adjusted accurately, convenient operation, work efficiency has been improved, and when tensioning roller 35 wearing and tearing, only need through coarse adjusting component 20 and fine setting component 30 adjust the height of tensioning roller 35 can, need not to change new tensioning roller 35, waste has been reduced, and extensive applicability.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A tensioning device for a cable, for tensioning the cable, characterized in that: the tensioning device for the cable comprises a rack, a coarse adjustment assembly and a fine adjustment assembly, wherein the coarse adjustment assembly and the fine adjustment assembly are arranged on the rack, the coarse adjustment assembly comprises a rotating wheel rotatably arranged on the side wall of the supporting plate, a locking structure arranged between the supporting plate and the rotating wheel and a driving rod with one end hinged on the edge of the rotating wheel, the fine adjustment assembly comprises a sliding block arranged on the supporting plate along the longitudinal slidable direction, a motor connected on the sliding block, a driving gear arranged on an output shaft of the motor, a driven gear rotatably arranged on the sliding block and a tensioning roller rotatably arranged on the driven gear, the cable is arranged on the tensioning roller, one end of the driving rod far away from the rotating wheel is hinged with the sliding block, the central shaft of the tensioning roller is staggered with the central shaft of the driven gear, the driving gear is meshed with the driven gear, and the outer diameter of the driving gear is smaller than that of the driven gear.

2. The tensioner for cables as claimed in claim 1, wherein: the tensioning roller is cylindric structure, the outer peripheral face of tensioning roller is fitted with a contraceptive ring and is equipped with the recess, the cable is taken and is established in the recess.

3. The tensioner for cables as claimed in claim 1, wherein: the slider with the lateral wall of backup pad is laminated mutually, the slider with in two binding face of backup pad, one of them be provided with the guide slot on the binding face, another be provided with the guide rail on the binding face, the guide slot with the guide rail is all along vertically setting up, the guide slot with guide rail sliding fit connects.

4. The tensioner for cables as claimed in claim 1, wherein: the center department fixed mounting who rotates the wheel has first pivot, install first bearing in the backup pad, the outer lane fixed mounting of first bearing is in the backup pad, the inner circle cover of first bearing is established the outside of first pivot.

5. The tensioner for cables as claimed in claim 1, wherein: the center fixed mounting of driven gear has the second pivot, install the second bearing in the slider, the outer lane fixed mounting of second bearing is in the slider, the inner circle cover of second bearing is established the outside of second pivot.

6. The tensioner for cables as claimed in claim 1, wherein: the locking structure is a bolt, an insertion hole is formed in the supporting plate, a plurality of through holes are formed in the rotating wheel and correspond to the insertion hole, the through holes are located on the same circumference, and the bolt penetrates through the through holes and then is connected with the insertion hole.

7. The tensioner for cables of claim 6, wherein: and a hand wheel is arranged on one side of the rotating wheel, which is far away from the supporting plate.

8. The tensioning device for cables according to any one of claims 1 to 7, characterized in that: the motor is a positive and negative rotation motor.

9. The tensioning device for cables according to any one of claims 1 to 7, characterized in that: the rack further comprises a base, the supporting plate is fixedly installed on the upper end face of the base, and the supporting plate is perpendicular to the base.