CN217172785U

CN217172785U - Full-hydraulic electric tensioner

Info

Publication number: CN217172785U
Application number: CN202220131998.9U
Authority: CN
Inventors: 周自强
Original assignee: Ningbo Jixiang Power And Mechanic Tools Manufacturing Co ltd
Current assignee: Ningbo Jixiang Power And Mechanic Tools Manufacturing Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-12
Anticipated expiration: 2032-01-18

Abstract

The application discloses a full hydraulic electric tension machine, which comprises a base, a tension pulley and a driver, wherein the tension pulley and the driver are fixedly arranged on the base, the driver is suitable for driving the tension pulley to rotate, a guiding device is arranged on the base and comprises a guiding frame, a fixed guide pulley and a movable guide pulley, the fixed guide pulley and the movable guide pulley are arranged on the guiding frame, a resetting piece is arranged between the guiding frame and the movable guide pulley and is suitable for enabling the movable guide pulley and the fixed guide pulley to clamp a wire, two ends of the fixed guide pulley and the movable guide pulley are provided with tensioning mechanisms, the tensioning mechanisms are suitable for slowing down the rotation of the fixed guide pulley and the movable guide pulley so as to tension the wire between the guiding device and the tension pulley, this tensioner convenient operation has better stability and security at the wire unwrapping wire in-process, and the tightness when can increasing the wire and get into the tension pulley avoids the wire to take place to become flexible or slide on the tension pulley.

Description

Full-hydraulic electric tensioner

Technical Field

The application relates to the technical field of electric power engineering equipment, in particular to a full-hydraulic electric tensioner.

Background

In the construction process of electric power, a large number of cable wires with various specifications need to be laid, a paying-off device is generally adopted for paying-off operation in the prior art, a tensioner is used for the construction operation of a tension stringing and an aerial cableway of a power transmission line, and the tensioner is born because the tensioner is used for always applying an acting force opposite to the traction and paying-off direction to the wires in the paying-off process in order to prevent the wires from contacting with the ground and various ground facilities and ensure that the wires are not damaged when the wires are put on and paid off during the mechanical traction stringing construction operation of the power transmission line.

However, the existing tensioner has the following defects: in order to increase the stability of the paying-off, a pulley for guiding is arranged on the wire inlet side of the tension pulley, but the clamping capability of the pulley on the wire is poor, and the stability on the wire is low; in addition, when the wire is paid off, if the wire enters the tension pulley too fast, the wire on the tension pulley may become loose or slide, so that the tension effect is reduced and even the wire fails to work, thereby causing danger.

Disclosure of Invention

An object of this application is to provide a convenient operation, have better stability and security's full-hydraulic electric tensioner in the wire unwrapping wire process.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a full-hydraulic electric tension machine, includes base, tension pulley and driver, the tension pulley with the driver is fixed set up in on the base, the driver is suitable for the drive the tension pulley rotates, be provided with guiding device on the base, guiding device includes guide frame, fixed guide pulley and activity guide pulley, fixed guide pulley with the activity guide pulley set up in on the guide frame, be provided with the piece that resets between guide frame and the activity guide pulley, the piece that resets is suitable for making activity guide pulley with fixed guide pulley centre gripping wire, fixed guide pulley with the both ends of activity guide pulley are provided with straining device, straining device is suitable for slowing down thereby the rotation of fixed guide pulley with the activity guide pulley tensioning wire between guide device and the tension pulley.

As an improvement, sliding frames are arranged at two ends of the movable guide wheel, sliding grooves are formed in the guide frame, the movable guide wheel is suitable for sliding along the sliding grooves through the sliding frames, a handle part is connected between the two sliding frames, the handle part and the fixed guide wheel are respectively located on two sides of the movable guide wheel, and the reset piece is suitable for being connected with the handle part.

As an improvement, a wire passing opening is formed in one side of the guide frame, the fixed guide wheel and the movable guide wheel are respectively arranged on two sides of the wire passing opening, and a wire is suitable to enter from the wire passing opening and is fixed between the fixed guide wheel and the movable guide wheel.

As an improvement, be provided with grafting portion on the carriage, the wire passing hole is in fixed guide pulley side is opened and is equipped with the inserting groove, fixed guide pulley with during the activity guide pulley centre gripping wire, grafting portion be suitable for peg graft extremely in the inserting groove.

Preferably, the tensioning mechanism comprises a pawl, ratchet structures are arranged at two ends of the fixed guide wheel and the movable guide wheel, a connecting shaft is arranged at the axis of the fixed guide wheel and the axis of the movable guide wheel, the fixed guide wheel and the movable guide wheel are rotatably sleeved on the connecting shaft, the pawl is suitable for being matched and clamped with the ratchet structures, and rotational damping is arranged between the pawl and the connecting shaft.

Specifically, moving wheels are arranged on two sides of the base and are suitable for enabling the base to move.

As an improvement, the front end of the base is integrally formed with supporting legs, and the ground clearance of the base at the supporting legs is smaller than that of the base at the movable wheels.

As an improvement, the supporting leg is provided with a containing groove, a draw bar which can be opened in a rotating mode is contained in the containing groove, the top end of the draw bar is provided with a draw hole, and the draw bar is suitable for rotating to enable the draw hole to be connected with a draw device.

Compared with the prior art, the beneficial effect of this application lies in: the guide device is arranged on the wire inlet side of the tension pulley, the fixed guide pulley and the movable guide pulley are used for clamping and guiding the wires, the wires are prevented from moving freely in the guide device, the stability is improved, the movable guide pulley can be suitable for clamping the wires with different specifications and sizes through the reset piece, the applicability is improved, the fixed guide pulley and the movable guide pulley are provided with tensioning mechanisms, the wires can be tensioned to enter the tension pulley when the wires are discharged, the wires are enabled to be in more stable contact with the tension pulley, and the wires are prevented from loosening or sliding; when the guide wire is retracted, the tensioning mechanism cannot prevent the fixed guide wheel and the movable guide wheel from rotating, and the smoothness of wire take-up is not influenced.

Drawings

FIG. 1 is a schematic overall structure according to a preferred embodiment of the present application;

FIG. 2 is a perspective view of a guide device according to a preferred embodiment of the present application;

FIG. 3 is a structural view of a guide device clamping a wire according to a preferred embodiment of the present application;

FIG. 4 is a structural view of a guide device entering a wire according to a preferred embodiment of the present application;

fig. 5 is an internal structural view of a tensioning mechanism according to a preferred embodiment of the present application.

In the figure: 1. a base; 11. a moving wheel; 12. supporting legs; 121. a receiving groove; 122. a draw bar; 1221. a drawing hole; 2. a tension pulley; 3. a driver; 4. a guide device; 41. a guide frame; 411. a sliding groove; 412. a wire passage opening; 413. inserting grooves; 42. fixing the guide wheel; 421. a ratchet structure; 43. a movable guide wheel; 431. a carriage; 4311. a plug-in part; 432. a handle portion; 44. a fixed recess; 45. a reset member; 46. a tensioning mechanism; 461. a pawl; 47. and (7) connecting the shafts.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 5, a preferred embodiment of the present application includes a base 1, a tension pulley 2 and a driver 3, the tension pulley 2 and the driver 3 are fixedly disposed on the base 1, and the driver 3 is adapted to drive the tension pulley 2 to rotate, so that the tension pulley 2 rotates synchronously with the drawing and erecting of the conductor to pay out the conductor, thereby realizing the laying of the cable conductor.

The base 1 is provided with the guiding device 4, the guiding device 4 is arranged at the wire inlet side of the tension pulley 2, the guiding device 4 comprises a guiding frame 41, a fixed guide pulley 42 and a movable guide pulley 43, the guiding frame 41 is fixedly connected with the base 1, the fixed guide pulley 42 and the movable guide pulley 43 are arranged on the guiding frame 41, the middle parts of the fixed guide pulley 42 and the movable guide pulley 43 are both provided with a fixed recess 44, the guide and the fixation of a wire are convenient, the movement of the wire between the fixed guide pulley 42 and the movable guide pulley 43 is reduced, the stability of the wire is increased, a reset piece 45 is arranged between the guiding frame 41 and the movable guide pulley 43, the reset piece 45 preferably uses a pressure spring, the structure is simple, the installation is convenient, the cost is low, the reset piece 45 can push the movable guide pulley 43 towards the fixed guide pulley 42 to realize the interference clamping of the wire, the wire with different specifications and sizes can be adapted to clamping, the applicability is increased, and the friction force between the movable guide pulley 43 and the fixed guide pulley 42 and the wire can be increased, the tensioning mechanism 46 is convenient for tensioning the wire, and the stability of the wire is further improved; both ends of the fixed guide pulley 42 and the movable guide pulley 43 are provided with tensioning mechanisms 46, and the tensioning mechanisms 46 are adapted to slow down the rotation of the fixed guide pulley 42 and the movable guide pulley 43 so as to tension the wire between the guide device 4 and the tension pulley 2.

As shown in fig. 1, the moving wheels 11 are arranged on both sides of the base 1, and the moving wheels 11 can help the base 1 to move, thereby reducing the difficulty in carrying the equipment.

Base 1 is provided with the one end of guiding device 4 as the front end, 1 front end integrated into one piece of base has supporting legs 12, when removing base 1, only need to lift 1 front end of base, make supporting legs 12 break away from ground, can stimulate base 1 and remove through removing wheel 11, moreover, the steam generator is simple in structure, high durability and convenient operation, 1 ground clearance of base of supporting legs 12 department is less than the 1 ground clearance of base of removing wheel 11 department, the difference in height should not be too big simultaneously, can avoid supporting legs 12 to collide with ground when breaking away from the ground after unevenness, can also make 1 front end of base lifted, equipment on the base 1 is close the level as far as possible, it is impaired to avoid the too big equipment that leads to on the base 1 of base 1 inclination.

The supporting legs 12 are provided with accommodating grooves 121, the accommodating grooves 121 are internally provided with the draw bars 122 which can be opened in a rotating mode, the volume of a drawing structure is reduced, the draw bars 122 are hidden, the top ends of the draw bars 122 are provided with draw holes 1221, the draw bars 122 are suitable for rotating to enable the draw holes 1221 to be connected with drawing equipment, the drawing equipment comprises equipment such as automobiles and trailers, when the draw bars 122 are connected with the drawing equipment, the supporting legs 12 can be separated from the ground, and the base 1 can move at the moment.

As shown in fig. 2 to 4, sliding frames 431 are disposed at two ends of the movable guide wheel 43, a sliding groove 411 is disposed on the guide frame 41, the sliding frames 431 are disposed in the sliding grooves 411, the movable guide wheel 43 is suitable for sliding along the sliding groove 411 through the sliding frames 431, a handle portion 432 is connected between the two sliding frames 431, the handle portion 432 and the fixed guide wheel 42 are respectively disposed at two sides of the movable guide wheel 43, the reset piece 45 is suitable for being connected with the handle portion 432, the movable guide wheel 43 can be conveniently controlled to be away from the fixed guide wheel 42 through the handle portion 432, the operation difficulty is reduced, and a lead can conveniently enter.

The guide frame 41 is provided with a wire passing opening 412 on one side, the fixed guide wheel 42 and the movable guide wheel 43 are respectively arranged on two sides of the wire passing opening 412, the wire is suitable for entering from the wire passing opening 412 and being fixed between the fixed guide wheel 42 and the movable guide wheel 43, the wire is usually installed to pass through between the fixed guide wheel 42 and the movable guide wheel 43 before being used, and the arrangement of the wire passing opening 412 can increase the installation mode of the wire, so that the wire can enter the guide device 4 in the paying-off process.

The sliding frame 431 is provided with a plugging portion 4311, the side of the fixed guide wheel 42 is provided with a plugging groove 413 through the wire passing opening 412, when the fixed guide wheel 42 and the movable guide wheel 43 clamp the wire, the plugging portion 4311 is suitable for being plugged into the plugging groove 413, the plugging portion 4311 can seal the wire passing opening 412, the plugging structure can increase the connection stability and the structural strength between the sliding frame 431 and the guide frame 41, and deformation is avoided.

As shown in fig. 5, the tensioning mechanism 46 includes a pawl 461, two ends of the fixed guide wheel 42 and the movable guide wheel 43 are provided with ratchet structures 421, the axes of the fixed guide wheel 42 and the movable guide wheel 43 are provided with a connecting shaft 47, the fixed guide wheel 42 and the movable guide wheel 43 are rotatably sleeved on the connecting shaft 47, the pawl 461 is suitable for being clamped with the ratchet structures 421, preferably more than two pawls 461 are provided, and are rotatably sleeved on the connecting shaft 47 at equal intervals to increase clamping stability and improve structural strength during clamping, a rotational damping is provided between the pawl 461 and the connecting shaft 47, after the pawl 461 and the ratchet structures 421 are clamped, the movement of the wire causes the pawl 461 to overcome the rotational damping due to the friction between the wire and the fixed guide roller 42 and the movable guide roller 43, the pawl 461 rotating with the fixed guide roller 42 and the movable guide roller 43.

The operation principle is as follows: leading out the wire from the wire releasing equipment, pulling down the handle part 432 to enable the movable guide wheel 43 to be far away from the fixed guide wheel 42, enabling the end part of the wire to directly pass through the space between the movable guide wheel 43 and the fixed guide wheel 42, or putting the wire into the wire through hole 412, loosening the handle part 432 to enable the movable guide wheel 43 and the fixed guide wheel 42 to clamp the wire, and then connecting the wire to the tension pulley 2 to complete installation; in the paying-off process, when a wire enters the tension pulley 2 from the guide device 4, the fixed guide pulley 42 and the movable guide pulley 43 rotate relative to the connecting shaft 47, the pawl 461 is clamped in the ratchet wheel structure 421, the damping between the pawl 461 and the connecting shaft 47 can slow down the rotating speed of the fixed guide pulley 42 and the movable guide pulley 43, so that the wire entering speed at the guide device 4 is less than or equal to the wire entering speed at the tension pulley 2, and the tensioning effect of the wire is realized; when it is desired to take up excess wire, the reverse rotation of the fixed guide 42 and the movable guide 43 will cause the pawl 461 to disengage the ratchet mechanism 421 and the damping will be lost to allow smooth rotation.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. A full hydraulic electric tensioner is characterized in that: including base, tension pulley and driver, the tension pulley with the driver is fixed set up in on the base, the driver is suitable for the drive the tension pulley rotates, be provided with guiding device on the base, guiding device includes guide frame, fixed guide pulley and activity guide pulley, fixed guide pulley with the activity guide pulley set up in on the guide frame, the guide frame with be provided with the piece that resets between the activity guide pulley, it is suitable for to reset the piece and makes the activity guide pulley with fixed guide pulley centre gripping wire, fixed guide pulley with the both ends of activity guide pulley are provided with straining device, straining device is suitable for slowing down thereby fixed guide pulley with the rotation tensioning of activity guide pulley the guiding device with wire between the tension pulley.

2. The full hydraulic electric tensioner as claimed in claim 1, wherein: the both ends of activity guide pulley are provided with the carriage, the sliding tray has been seted up on the guide frame, the activity guide pulley is suitable for to pass through the carriage is followed the sliding tray slides, two be connected with handle portion between the carriage, handle portion with fixed guide pulley is located respectively the both sides of activity guide pulley, reset the piece be suitable for with handle portion connects.

3. The full hydraulic electric tensioner as claimed in claim 2, wherein: a wire passing opening is formed in one side of the guide frame, the fixed guide wheel and the movable guide wheel are respectively arranged on two sides of the wire passing opening, and a wire is suitable to enter from the wire passing opening and is fixed between the fixed guide wheel and the movable guide wheel.

4. A full hydraulic electric tensioner as claimed in claim 3, wherein: the sliding frame is provided with an inserting part, the wire passing opening is formed in the side of the fixed guide wheel, an inserting groove is formed in the side of the fixed guide wheel, and the inserting part is suitable for being inserted into the inserting groove when the fixed guide wheel and the movable guide wheel clamp the wire.

5. The full hydraulic electric tensioner as claimed in claim 1, wherein: the tensioning mechanism comprises a pawl, ratchet structures are arranged at two ends of the fixed guide wheel and two ends of the movable guide wheel, a connecting shaft is arranged at the axis of the fixed guide wheel and the axis of the movable guide wheel, the fixed guide wheel and the movable guide wheel are rotatably sleeved on the connecting shaft, the pawl is suitable for being matched and clamped with the ratchet structures, and rotary damping is arranged between the pawl and the connecting shaft.

6. The full hydraulic electric tensioner as claimed in claim 1, wherein: the base both sides are provided with the removal wheel, it is suitable for to make to remove the wheel the base activity.

7. The full hydraulic electric tensioner as claimed in claim 6, wherein: the base front end integrated into one piece has the supporting legs, the supporting legs department the base terrain clearance is less than the removal wheel department the base terrain clearance.

8. The full hydraulic electric tensioner as claimed in claim 7, wherein: the supporting legs are provided with accommodating grooves, draw bars which can be opened in a rotating mode are accommodated in the accommodating grooves, the top ends of the draw bars are provided with draw holes, and the draw bars are suitable for rotating to enable the draw holes to be connected with draw equipment.