CN112061883A

CN112061883A - Device for adjusting tension of electric wire and cable

Info

Publication number: CN112061883A
Application number: CN202010984226.5A
Authority: CN
Inventors: 孟凡军
Original assignee: Yucheng Credit Evaluation Consulting Hubei Co ltd
Current assignee: Yucheng Credit Evaluation Consulting Hubei Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2020-12-11

Abstract

The invention discloses a device for adjusting the tension of a wire and a cable, relates to the technical field of wires and cables, and solves the problem that the internal core of the wire and the cable is easily damaged by excessive force when the wire and the cable are pulled in the conventional construction and arrangement process, so that the subsequent use of the wire and the cable cannot transmit power. A device for adjusting the tension of a wire and a cable comprises a tensioning base; the tensioning base is inserted into one end of the top surface of the tensioning bottom shell. The device fixes wire and cable at the top of taut base through taut base and fixed roof, when the taut drain pan of pulling, taut base can move to wire and cable's stiff end when propping up the cable electric wire under the effect of tension, through the deformation of tension top spring with tension feedback to the tension feedback board, taut base will not remove again behind the positioning baffle of tension feedback board contact locating piece, thereby reach predetermined tension size, this moment with wire and cable's taut fixed can, lay conveniently, the acting as go-between is stable.

Description

Device for adjusting tension of electric wire and cable

Technical Field

The invention belongs to the technical field of wires and cables, and particularly relates to a device for adjusting the tension of wires and cables.

Background

The utilization rate of cables is higher and higher in urban power grid construction and infrastructure construction, large industrial customers and small customers are increased, and the installation engineering quantity of wires and cables of installation companies is rapidly increased, so that the installation and fixation of the wires and cables are very important.

If the application number is: in CN 201610956729.5's patent, an electric wire and cable peeling device is disclosed, specific automatic continuous cable peeling and separating device that says so belongs to cable peeling equipment technical field. The cable winding device comprises a paying-off device, a cable cutting device, a tensioner and a winding device, wherein two limiting stand columns are arranged between the cable cutting device and the tensioner, and one side of each limiting stand column is provided with a packing hub. The cable cutting device comprises a fixed cutter mechanism, a movable cutter mechanism, a cable limiting mechanism, a cutting supporting seat, a fixed cutter seat and a movable cutter seat. The invention can automatically and continuously separate the cable conductor from the coating material, the conductor can be repeatedly used, and the coating material can be automatically packed and recovered; the peeling and separating device has high peeling and separating efficiency and good separating effect, and is suitable for separating various wire and cable conductors from coating materials.

At present, in hydropower construction, wires and cables are often laid, tension in the wires and cables needs to be controlled during laying, if the laid wires and cables are too loose, the wires are easy to loosen and influence attractiveness, and if the tension of the laid wires and cables is too large, the wires and cables are easy to be damaged and influence subsequent use, so that the tension of the wires and cables during laying needs to be controlled.

When laying wire and cable in the current construction, the tension size is estimated to the manual taut wire and cable of constructor more, and is comparatively loaded down with trivial details, and the precision is low, and the inside core of wire and cable is damaged to too big drawing hard easily when the pulling, causes the unable transmission electric power of the follow-up use of wire and cable, and the practicality is not high.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a device for adjusting the tension of the electric wire and the cable is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a device for adjusting the tension of a wire and a cable, which aims to solve the problems that when the wire and the cable are laid in the existing construction, the wire and the cable are tensioned manually by a constructor to estimate the tension, the method is complicated, the accuracy is low, the inner core of the wire and the cable is easy to damage by excessive force during pulling, the subsequent use of the wire and the cable cannot transmit electric power, and the practicability is not high.

The purpose and the effect of the device for adjusting the tension of the electric wire and the cable are achieved by the following specific technical means:

a device for adjusting the tension of wires and cables comprises a tensioning bottom shell, an adjusting rod, a positioning block, a tensioning base, a fixed top plate and a fastening screw rod; the side surface of the tensioning bottom shell is fixedly screwed with a side fixing plate through a screw; one end of the adjusting rod is rotatably connected inside the side surface of the tensioning bottom shell, and the other end of the adjusting rod is rotatably connected to the bottom of the side fixing plate; the positioning block is inserted outside the rod body of the adjusting rod; the tensioning base is inserted at one end of the top surface of the tensioning bottom shell; the fixed top plate is inserted at the top of the tensioning base; the fastening screw rod is fixedly connected to the middle of the top surface of the tensioning base and penetrates through the plate body of the fixed top plate; the top of the fastening screw rod is screwed with a block screw detaching block through threads.

Furthermore, the top surface of tensioning base is equipped with the locating lever, and the locating lever respectively is equipped with one in the four corners position of tensioning base, the top of fixed roof is equipped with the constant head tank, and the position of constant head tank corresponds with the position of tensioning base top surface locating lever, and the locating lever is pegged graft in the inside of constant head tank.

Further, the both sides of taut base top surface all are equipped with the lower fixture block of "U" shape, and the top both sides of fixed roof are equipped with the last fixture block of "I" shape, lower fixture block and last fixture block dislocation grafting, and the block of lower fixture block and last fixture block all is equipped with semicircular draw-in groove, and the opening opposite direction of fixture block and last fixture block draw-in groove down.

Furthermore, the surfaces of the clamping grooves of the upper clamping block and the lower clamping block are provided with anti-skidding teeth which are uniformly distributed, and the anti-skidding teeth are transversely arranged on the surfaces of the clamping grooves of the upper clamping block and the lower clamping block.

Furthermore, the bottom of the tensioning base is provided with a track block, the cross section of the track block is in a T shape, a track groove is formed in the top surface of the tensioning bottom shell, and the track block is inserted in the track groove.

Furthermore, the middle of the bottom surface of the tensioning base is provided with a tension feedback plate, the tension feedback plate is in a square shape, the middle of the top surface of the tensioning bottom shell is provided with an avoiding groove, the inner diameter shape of the avoiding groove is the same as the outer diameter shape of the tension feedback plate, the tension feedback plate is inserted into the avoiding groove, the side surface of the tension feedback plate is provided with a tension top spring, and two ends of the tension top spring are respectively and fixedly connected to the side surface of the tension feedback plate and the inner side of the side fixing plate.

Furthermore, the upper portion of locating piece is equipped with the location dog, and fixes a position the dog and be square design, and the top of location dog is equipped with curved breach, and the external diameter width of location dog is the same with the internal diameter width of dodging the groove.

Furthermore, the lower part of the locating block is provided with a linkage block, a threaded hole is formed in the linkage block, a middle rod body of the adjusting rod is provided with threads, and the adjusting rod is screwed in the threaded hole of the linkage block through the threads of the rod body.

Compared with the prior art, the invention has the following beneficial effects:

the device fixes wire and cable at the top of taut base through taut base and fixed roof, when the taut drain pan of pulling, taut base can move to wire and cable's stiff end when propping tight cable electric wire under the effect of tension, through the deformation of tension top spring with tension feedback to the tension feedback board, taut base will not remove again behind the positioning baffle of tension feedback board contact locating piece, thereby reach predetermined tension size, fix wire and cable's taut end this moment can, it is convenient to lay, the acting as go-between is stable, the stability and the practicality of the device have been improved.

At first, when the piece at tightening fastening screw top was torn open the spiral shell piece, go up the draw-in groove of fixture block and lower fixture block and can slowly coincide, thereby fix wire cable at the top of taut base, can adapt to different external diameter wire cable's fixed, and the draw-in groove internal surface is equipped with horizontal antiskid tooth, can make the device can not appear skidding phenomenon when the taut drain pan of pulling wire cable, the design of track pole has guaranteed the grafting coincidence that last fixture block and lower fixture block can be stable, thereby accomplish the fixed to wire cable, fixed wire cable is convenient nimble, the stability and the flexibility of the device are improved.

Secondly, when the taut drain pan of pulling, taut base can remove at the top of taut drain pan through the track piece, the removal orbit of taut base can be restricted in the track groove, crooked and distortion phenomenon can not appear in taut base takes place, taut drain pan is at the removal in-process, the tension feedback board of taut base bottom can compress the tension top spring under the effect of tensile force, on the tension feedback board is fed back compression force after the tension top spring deformation, thereby can experience the real-time tension size of cable, with taut base through taut drain pan pulling to the tension feedback board contact the location dog after, taut base will unable continuation removal, thereby cable's tension reaches preset tension this moment, high durability and convenient use, it is stable to act as go-between, the practicality and the stability of the device have been improved.

Moreover, when the regulation pole is rotated, the regulation pole can drive the locating piece through the screw thread of the body of rod and remove to the biggest displacement distance of the taut base of restriction, the biggest stroke that the taut base can compress tension top spring promptly can adjust the biggest tension, adapts to different wire and cable and lays tensile demand, has improved the device's adaptability and flexibility.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic disassembled structure of the present invention.

Fig. 4 is a schematic view of the structure of the bottom of the tensioning mount of the present invention.

Fig. 5 is a schematic structural view of the present invention when adjusting the position of the positioning block and pulling to tighten the bottom case.

Fig. 6 is a schematic view illustrating the structure of the present invention when the tension of the bottom case is pulled to reach a predetermined tension level.

Fig. 7 is an enlarged schematic view of the portion a of fig. 3 according to the present invention.

Fig. 8 is an enlarged structural view of the portion B in fig. 3 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. tensioning the bottom shell; 2. a side fixing plate; 3. adjusting a rod; 4. positioning blocks; 5. tensioning the base; 6. fixing a top plate; 7. fastening a screw rod; 101. a track groove; 102. an avoidance groove; 401. positioning a stop block; 402. a linkage block; 501. positioning a rod; 502. a lower clamping block; 503. anti-slip teeth; 504. a track block; 505. a tension feedback plate; 5051. a tension top spring; 601. positioning a groove; 602. and an upper clamping block.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a device for adjusting the tension of wires and cables, which comprises a tensioning bottom shell 1, an adjusting rod 3, a positioning block 4, a tensioning base 5, a fixed top plate 6 and a fastening screw 7, wherein the tensioning bottom shell is provided with a plurality of tension holes; the side surface of the tensioning bottom shell 1 is fixedly screwed with a side fixing plate 2 through a screw; one end of the adjusting rod 3 is rotatably connected inside the side surface of the tensioning bottom shell 1, and the other end of the adjusting rod 3 is rotatably connected to the bottom of the side fixing plate 2; the positioning block 4 is inserted outside the rod body of the adjusting rod 3; the upper part of the positioning block 4 is provided with a positioning stop 401, the positioning stop 401 is in a square design, the top of the positioning stop 401 is provided with an arc-shaped notch, the width of the outer diameter of the positioning stop 401 is the same as the width of the inner diameter of the avoidance groove 102, as shown in fig. 2, 3 and 8, the design ensures that the positioning block 4 does not obstruct the contraction and extension of the tension top spring 5051 when moving, and the adaptability of the device is improved; the tensioning base 5 is inserted at one end of the top surface of the tensioning bottom shell 1; the two sides of the top surface of the tensioning base 5 are respectively provided with a U-shaped lower fixture block 502, the two sides of the top of the fixed top plate 6 are respectively provided with an I-shaped upper fixture block 602, the lower fixture block 502 and the upper fixture block 602 are inserted in a staggered manner, the blocks of the lower fixture block 502 and the upper fixture block 602 are respectively provided with a semicircular clamping groove, and the opening directions of the clamping grooves of the lower fixture block 502 and the upper fixture block 602 are opposite, as shown in the attached drawings 2, 3, 4 and 7, the design enables the upper fixture block 602 to be capable of fixing electric wires and cables through the clamping grooves under the matching action of the fastening screw 7 and the fastening screw block when the upper fixture block 602 moves downwards, and the electric wires and cables with different outer diameters can be fixed, as shown in the attached drawings; the track block 504 is arranged at the bottom of the tensioning base 5, the cross section of the track block 504 is in a T shape, the track groove 101 is formed in the top surface of the tensioning bottom shell 1, and the track block 504 is inserted into the track groove 101, as shown in fig. 2, fig. 3, fig. 4 and fig. 7, the track groove 101 can limit the moving track of the tensioning base 5, so that the phenomenon that the tensioning base 5 is skewed and twisted to cause the failure of the device is avoided, and the stability of the device is improved; the fixed top plate 6 is inserted at the top of the tensioning base 5; the fastening screw 7 is fixedly connected to the middle of the top surface of the tensioning base 5, and the fastening screw 7 penetrates through the plate body of the fixed top plate 6; the top of the fastening screw 7 is screwed with a block screw detaching block through threads.

Wherein, tensioning base 5's top surface is equipped with locating lever 501, and locating lever 501 respectively is equipped with one in tensioning base 5's four corners position, the top of fixed roof 6 is equipped with constant head tank 601, and the position of constant head tank 601 corresponds with tensioning base 5 top surface locating lever 501's position, locating lever 501 pegs graft in the inside of constant head tank 601, as fig. 2, fig. 3, fig. 4 and fig. 7 are shown, this design makes locating lever 501 restrict fixed roof 6's removal orbit, thereby guaranteed the grafting coincidence that goes up fixture block 602 and lower fixture block 502 can be stable, thereby accomplish the fixed to the electric wire cable, as shown in fig. 5 and fig. 6, fixed electric wire cable is convenient nimble, the device's stability has been improved.

The anti-slip teeth 503 are uniformly distributed on the surfaces of the clamping grooves of the upper clamping block 602 and the lower clamping block 502, and the anti-slip teeth 503 are transversely arranged on the surfaces of the clamping grooves of the upper clamping block 602 and the lower clamping block 502, as shown in fig. 2, fig. 3, fig. 4 and fig. 7, the anti-slip teeth 503 on the inner surface of the clamping groove transversely can prevent the electric wire from slipping when the bottom shell 1 is pulled to be tensioned, and the stability of the device is improved.

Wherein, the middle part of the bottom surface of the tensioning base 5 is provided with the tension feedback plate 505, the shape of the tension feedback plate 505 is a square design, the middle part of the top surface of the tensioning bottom case 1 is provided with the avoiding groove 102, the inner diameter shape of the avoiding groove 102 is the same as the outer diameter shape of the tension feedback plate 505, the tension feedback plate 505 is inserted in the avoiding groove 102, the side surface of the tension feedback plate 505 is provided with the tension top spring 5051, the two ends of the tension top spring 5051 are respectively and fixedly connected with the side surface of the tension feedback plate 505 and the inner side of the side fixing plate 2, as shown in fig. 2, fig. 3, fig. 4 and fig. 7, the design is such that when the tensioning bottom case 1 is pulled, the tension feedback plate 505 at the bottom of the tensioning base 5 can compress the tension top spring 5051 under the action of tension, the tension top spring 5051 deforms and then feeds back the compression force to the tension feedback plate 505, as shown in, thereby can feel the real-time tension size of wire and cable, will take up base 5 and will not continue to remove after pulling to tension feedback board 505 contact location dog 401 through taut drain pan 1, as shown in figure 6 to wire and cable's tension reaches and predetermines tension this moment, convenient to use, and it is stable to act as go-between, has improved the device's practicality and stability.

Wherein, the lower part of locating piece 4 is equipped with linkage piece 402, and the inside of linkage piece 402 is equipped with the screw hole, the middle part body of rod of adjusting pole 3 is equipped with the screw thread, and adjust the screw thread of pole 3 through the body of rod and twist and connect in the screw hole of linkage piece 402, as shown in figure 2, figure 3 and figure 8, this design makes when rotating the regulation pole 3, adjust pole 3 and can drive the locating piece 4 through the screw thread of the body of rod and remove, thereby the maximum displacement distance of taut base 5 is restricted, as shown in figure 5, taut base 5 can compress the maximum stroke of tension top spring 5051 promptly, as shown in figure 6, can adjust the biggest tension that strains, adapt to the tensile demand of different wire and cable laying, the adaptability and the flexibility of the device have been improved.

The specific use mode and function of the embodiment are as follows:

in the invention, firstly, one end of an electric wire and cable is fixed at the starting point of a construction part, the other end of the electric wire and cable is arranged to a construction end point after selecting a proper length, the other end of the electric wire and cable is fixed at the top of a tensioning base 5, the electric wire and cable passes through the lower fixture block 502 of the tensioning base 5 and the inner part of an upper fixture block 602 of a fixed top plate 6, the electric wire and cable is fixed at the top of the tensioning base 5 by screwing a block disassembling screw block at the top of a fastening screw 7, when the upper fixture block 602 moves downwards, the electric wire and cable can be fixed through a clamping groove under the matching action of the fastening screw 7 and the fastening screw block, as shown in figures 5 and 6, a positioning rod 501 limits the moving track of the fixed top plate 6, thereby ensuring that the upper fixture block 602 and the lower fixture block 502 can be stably spliced and overlapped, and further completing the fixing of the, as shown in fig. 5 and fig. 6, the wire and cable are conveniently and flexibly fixed, the anti-slip teeth 503 on the inner surface of the clamping groove are transverse, so that the wire and cable do not slip when the device pulls the tensioned bottom shell 1, after the wire and cable are fixed, the tensioned bottom shell 1 is pulled to adjust the tension of the wire and cable, when the tensioned bottom shell 1 is pulled, the tensioned bottom shell 1 moves, the tension feedback plate 505 at the bottom of the tensioned base 5 can compress the tension top spring 5051 under the action of the tension, the compression force is fed back to the tension feedback plate 505 after the tension top spring 5051 is deformed, as shown in fig. 5, so that the real-time tension of the wire and cable can be sensed, after the tensioned base 5 is pulled to the tension feedback plate 505 to contact the positioning stop 401 through the tensioned bottom shell 1, the tensioned base 5 cannot move continuously, as shown in fig. 6, so that the tension of the wire and cable, convenient to use, it is stable to act as go-between, track groove 101 can restrict the removal orbit of taut base 5, thereby make taut base 5 can not appear crooked and the distortion leads to the phenomenon of device inefficacy to take place, the top of the upper portion location dog 401 of locating piece 4 is equipped with the arc breach, make locating piece 4 can not obstruct the shrink and the extension of tension top spring 5051 when removing, and when rotating regulation pole 3, adjust pole 3 and move about through the screw thread drive locating piece 4 of the body of rod, thereby restrict the maximum displacement distance of taut base 5, as shown in figure 5, taut base 5 can compress the maximum stroke of tension top spring 5051 promptly, as shown in figure 6, can adjust the biggest tension of straining, adapt to the tensile demand of different wire and cable laying, the adaptability and the flexibility of the device have been improved.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A device for adjusting tension of wires and cables is characterized in that: the tensioning device comprises a tensioning bottom shell (1), an adjusting rod (3), a positioning block (4), a tensioning base (5), a fixed top plate (6) and a fastening screw rod (7); the side surface of the tensioning bottom shell (1) is fixedly screwed with a side fixing plate (2) through a screw; one end of the adjusting rod (3) is rotatably connected inside the side surface of the tensioning bottom shell (1), and the other end of the adjusting rod (3) is rotatably connected to the bottom of the side fixing plate (2); the positioning block (4) is inserted outside the rod body of the adjusting rod (3); the tensioning base (5) is inserted into one end of the top surface of the tensioning bottom shell (1); the fixed top plate (6) is inserted at the top of the tensioning base (5); the fastening screw rod (7) is fixedly connected to the middle of the top surface of the tensioning base (5), and the fastening screw rod (7) penetrates through the plate body of the fixed top plate (6); the top of the fastening screw rod (7) is screwed with a block screw detaching block through threads.

2. The apparatus for adjusting tension of electric wire and cable according to claim 1, wherein: the top surface of taut base (5) is equipped with locating lever (501), and locating lever (501) respectively is equipped with one in the four corners position of taut base (5), the top of fixed roof (6) is equipped with constant head tank (601), and the position of constant head tank (601) corresponds with the position of taut base (5) top surface locating lever (501), and locating lever (501) are pegged graft in the inside of constant head tank (601).

3. The apparatus for adjusting tension of electric wire and cable according to claim 1, wherein: the tensioning base is characterized in that two sides of the top surface of the tensioning base (5) are respectively provided with a U-shaped lower clamping block (502), two sides of the top of the fixed top plate (6) are respectively provided with an I-shaped upper clamping block (602), the lower clamping block (502) and the upper clamping block (602) are inserted in a staggered mode, the blocks of the lower clamping block (502) and the upper clamping block (602) are respectively provided with a semicircular clamping groove, and the opening directions of the clamping grooves of the lower clamping block (502) and the upper clamping block (602) are opposite.

4. A device for adjusting tension of electric wire as claimed in claim 3, wherein: the anti-skidding teeth (503) are uniformly distributed on the surfaces of the clamping grooves of the upper clamping block (602) and the lower clamping block (502), and the anti-skidding teeth (503) are transversely arranged on the surfaces of the clamping grooves of the upper clamping block (602) and the lower clamping block (502).

5. The apparatus for adjusting tension of electric wire and cable according to claim 1, wherein: the bottom of the tensioning base (5) is provided with a track block (504), the cross section of the track block (504) is T-shaped, a track groove (101) is formed in the top surface of the tensioning bottom shell (1), and the track block (504) is inserted into the track groove (101).

6. The apparatus for adjusting tension of electric wire and cable according to claim 1, wherein: the bottom surface middle part of taut base (5) is equipped with tension feedback board (505), and the shape of tension feedback board (505) is square design, the top surface middle part of taut drain pan (1) is equipped with dodges groove (102), and dodges the internal diameter shape of groove (102) and the external diameter shape of tension feedback board (505) the same, and the inside of dodging groove (102) is pegged graft in tension feedback board (505), and the side of tension feedback board (505) is equipped with tension top spring (5051), and the both ends of tension top spring (5051) are fixed connection respectively in the side of tension feedback board (505) and the inboard of side-mounting board (2).

7. The apparatus for adjusting tension of electric wire and cable according to claim 1, wherein: the upper portion of locating piece (4) is equipped with location dog (401), and location dog (401) are square design, and the top of location dog (401) is equipped with curved breach, and the external diameter width of location dog (401) is the same with the internal diameter width of dodging groove (102).

8. The apparatus for adjusting tension of electric wire and cable according to claim 1, wherein: the lower part of the positioning block (4) is provided with a linkage block (402), a threaded hole is formed in the linkage block (402), a middle rod body of the adjusting rod (3) is provided with threads, and the adjusting rod (3) is screwed in the threaded hole of the linkage block (402) through the threads of the rod body.