Cable traction device for cable laying

Abstract

The utility model provides a cable traction device for cable laying, and the device comprises a vehicle body which is provided with a rotating disc assembly used for placing a wire harness disc; and the tensioning assembly is arranged at the tail part of the vehicle body, the tensioning assembly comprises a first tensioning unit and a second tensioning unit, and the first tensioning unit and the second tensioning unit apply clamping force to a cable on the wire harness disc and release the cable from the tail part of the vehicle body to a belt laying area at the same time. According to the utility model, the first tensioning unit and the second tensioning unit transfer the cable wound on the wire harness disc to an area to be laid, and manual traction laying is replaced, so that the laying efficiency is improved, and the working intensity of constructors is reduced at the same time.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable laying, and in particular relates to a cable traction device for cable laying. Background Art

[0002] Cables include power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of wire and insulation layer, used to connect circuits, electrical appliances, etc.

[0003] Usually, the cables are wound in harness coils for transportation. After arriving at the designated area, they are manually pulled and straightened into a straight line and laid section by section. Since many cables have large diameters and high bending strength, they are not easy to be pulled and released manually, which not only affects the construction efficiency but also increases the workload of the construction workers. Utility Model Content

[0004] The utility model provides a cable traction device for cable laying, aiming to solve the problem that many large-diameter cables are currently constructed by manual pulling and releasing, which not only affects the construction efficiency but also increases the work intensity of construction personnel.

[0005] The utility model is implemented as follows: a cable traction device for cable laying, comprising:

[0006] A vehicle body, wherein the vehicle body is provided with a turntable assembly for placing a wiring harness reel;

[0007] The tensioning assembly is arranged at the rear of the vehicle body, and the tensioning assembly includes a first tensioning unit and a second tensioning unit. The first tensioning unit and the second tensioning unit apply a clamping force to the cable on the harness reel and release it from the rear of the vehicle body to the belt laying area.

[0008] Preferably, the second tensioning unit comprises:

[0009] A sliding seat, wherein a motor and a tensioning wheel are provided on the sliding seat;

[0010] A fixed seat, the sliding seat is assembled on the fixed seat and slides along the fixed seat;

[0011] Wherein, a support spring is further provided between the sliding seat and the fixed seat, and the support spring provides reverse support when the cable presses the sliding seat.

[0012] Preferably, the sliding seat is formed into a U-shaped structure by a first flat plate, a second flat plate and a vertical plate;

[0013] The tension wheel is arranged between the first plate and the second plate, and the tension wheel extends a sliding seat from the gap between the first plate and the second plate;

[0014] The second flat plate is provided with a mounting hole, and the motor is mounted on the bottom of the sliding seat. The motor shaft of the motor extends from the mounting hole into between the first flat plate and the second flat plate and is connected to the tension wheel.

[0015] Preferably, the fixing seat is a U-shaped structure, wherein a sliding opening is provided on one side of the fixing seat, and the second flat plate is slidably connected in the sliding opening.

[0016] Preferably, the support spring is arranged on a side of the vertical plate away from the tensioning wheel and is connected to a fixing seat.

[0017] Preferably, guide wheels are also provided inside the vehicle body.

[0018] Preferably, the first tensioning unit and the second tensioning unit have the same structure and are arranged on opposite sides of the vehicle body, and the tensioning wheel structures of the first tensioning unit and the second tensioning unit rotate in opposite directions;

[0019] Preferably, the vehicle body is provided with wheels, and the wheels are provided with rotation speed sensors, and the tensioning assembly adjusts the cable release speed according to the forward speed of the vehicle body obtained by the rotation speed sensor.

[0020] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0021] The cable traction device for cable laying provided by the utility model allows the first tensioning unit and the second tensioning unit to rotate to generate friction, and under the action of the rotational friction, the cable is continuously moved from the front end of the tensioning assembly to the rear end of the tensioning assembly. Under the traction action, the wire harness disk will continuously rotate and allow the cable to continuously detach. During the whole process, the first tensioning unit and the second tensioning unit transfer the cable wound on the wire harness disk to the area to be laid, replacing manual traction laying, thereby improving the laying efficiency and reducing the work intensity of the construction personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The utility model is a structural schematic diagram of a cable traction device for cable laying.

[0023] Figure 2 The utility model is a schematic diagram of the internal structure of a cable traction device for cable laying.

[0024] Figure 3 The utility model is a schematic diagram of the exploded structure of a second tensioning unit of a cable traction device for cable laying.

[0025] Figure 4 The utility model is a schematic structural diagram of a second tensioning unit in a cable traction device for cable laying.

[0026] Figure 5 The utility model is a schematic diagram of the structure of a turntable assembly of a cable traction device for cable laying.

[0027] Figure 6 The utility model is a schematic diagram of the tail structure of a cable traction device for cable laying.

[0028] Description of reference numerals:

[0029] 100, vehicle body; 200, tensioning assembly; 210, first tensioning unit; 220, second tensioning unit; 221, sliding seat; 2211, mounting hole; 2212, guide rail; 2213, positioning rail; 222, fixing seat; 2221, sliding opening; 2222, guide groove; 223, tensioning wheel; 224, motor; 225, supporting spring; 300, turntable assembly; 310, assembly shaft; 311, rod body; 312, positioning slide plate; 320, assembly disk; 400, harness disk; 500, guide wheel. DETAILED DESCRIPTION

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0031] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0032] The utility model provides a cable pulling device for cable laying, such as Figure 1-Figure 6 As shown, the cable traction device for cable laying includes:

[0033] A vehicle body 100, wherein a turntable assembly 300 for placing a wiring harness disk 400 is provided on the vehicle body 100;

[0034] The tensioning assembly 200 is arranged at the rear of the vehicle body 100, and the tensioning assembly 200 includes a first tensioning unit 210 and a second tensioning unit 220. The first tensioning unit 210 and the second tensioning unit 220 apply a clamping force to the cable on the harness drum 400 and release it from the rear of the vehicle body 100 to the belt laying area.

[0035] In this embodiment, the overall structure of the vehicle body 100 is a U-shaped structure, and the harness disk 400 is placed on the turntable assembly 300. When the vehicle body 100 moves forward, the first tensioning unit 210 and the second tensioning unit 220 continuously unwind the cables wound on the harness disk 400 and put them down from the rear of the vehicle body 100 to complete the cable laying operation;

[0036] In the present application, in addition to the clamping effect on the cable, the first tensioning unit 210 and the second tensioning unit 220 can also rotate, and the cable is continuously moved from the front end of the tensioning assembly 200 to the rear end of the tensioning assembly 200 under the action of the rotational friction force. For example, the cable needs to move in the opposite direction of the forward direction of the vehicle body, and the first tensioning unit 210 and the second tensioning unit 220 match the rotation direction, so that the cable obtains the friction force opposite to the forward direction. Under the traction of the friction force, the harness disk 400 will continuously rotate and the cable will be continuously detached. During the whole process, the first tensioning unit 210 and the second tensioning unit 220 are equivalent to the human hand continuously pulling out the cable wound on the harness disk 400 and releasing it to the area to be laid, and the tensioning assembly 200 is used to replace manual traction and laying, which improves the laying efficiency and reduces the work intensity of the construction personnel.

[0037] In the present application, the first tensioning unit 210 and the second tensioning unit 220 have the same structure, and the second tensioning unit 220 is taken as an example to illustrate its structural features;

[0038] The second tensioning unit 220 includes:

[0039] A sliding seat 221, on which a motor 224 and a tensioning wheel 223 are provided;

[0040] A fixed seat 222, the sliding seat 221 is assembled on the fixed seat 222 and slides along the fixed seat 222;

[0041] A support spring 225 is further provided between the sliding seat 221 and the fixed seat 222. When the cable presses the sliding seat 221, the support spring 225 provides reverse support.

[0042] As a preferred implementation in this embodiment, the sliding seat 221 is a U-shaped structure, the sliding seat 221 is provided with a mounting hole 2211, and the motor 224 is installed at the bottom of the sliding seat 221, and the motor shaft of the motor 224 extends from the mounting hole 2211 into the U-shaped opening of the sliding seat 221 and is connected to the tensioning wheel 223 located in the U-shaped opening;

[0043] In this embodiment, one end of the tension wheel 223 is connected to the motor shaft, and the other end is rotatably connected to the inner wall of the sliding seat 221; the specific connection structure here can be adopted in the following manner: the end of the tension wheel 223 away from the motor shaft is provided with a rotating shaft, and a bearing is provided on the rotating shaft, and the bearing is assembled in an annular groove provided on the inner wall of the sliding seat 221. Under the action of the bearing, the tension wheel 223 can rotate freely with the inner wall of the sliding seat 221, and the end surface of the tension wheel 223 without the rotating shaft is provided with a slot, and the motor shaft is directly inserted into the slot, and a limit bearing is provided in the mounting hole 2211 for fixing the motor shaft;

[0044] As a preferred implementation in this embodiment, the fixed seat 222 is a U-shaped structure, wherein a sliding opening 2221 is provided on one side of the fixed seat 222, and the sliding seat 221 is mainly composed of a first flat plate, a second flat plate and a vertical plate, wherein the second flat plate is slidably connected to the sliding opening 2221 of the lower end surface; a guide rail 2212 is provided on the side wall of the second flat plate, and the guide rail 2212 is adapted to the guide groove 2222 provided in the sliding opening 2221, and the guide rail 2212 and the guide groove 2222 provide support for the sliding seat 221 in addition to guidance, and the motor 224 is assembled on the second flat plate and extends to the outside of the fixed seat 222;

[0045] The first flat plate is also provided with a positioning rail 2213, and a positioning groove adapted to the positioning rail 2213 is provided on the structure of the fixed seat 222 away from the sliding opening 2221 to pull the movement of the sliding seat 221. The support spring 225 is arranged between the vertical plate and the fixed seat 222; the support spring 225 is connected to the vertical plate and the fixed seat 222 in a fixed connection; the function of the support spring 225 is to enable the tensioning assembly 200 to adapt to more cables with different specifications and diameters;

[0046] The tensioning wheel 223 in the second tensioning unit 220 extends out of the sliding seat 221 to form a clamping zone with the first tensioning unit 210;

[0047] As a preferred implementation in this embodiment, a guide wheel 500 is further provided inside the vehicle body 100. The guide wheel 500 adopts the structural principle of a fixed pulley in the prior art and mainly plays the role of combing the cable, so that the cable enters the tensioning assembly 200 in a smoother state.

[0048] As a preferred implementation in this embodiment, the turntable assembly 300 includes:

[0049] Assemble the shaft 310, the rod body 311 and the positioning slide plates 312 provided at both ends of the rod body 311;

[0050] An assembly plate 320, the assembly plate 320 is arranged on the inner wall of the vehicle body 100, and the assembly plate 320 is provided with a slide groove for accommodating the insertion of the positioning slide plate 312;

[0051] In this embodiment, the assembly disks 320 are in two groups, and the assembly disks 320 are symmetrically arranged on the vehicle body 100; the rod body 311 and the positioning slide plate 312 can be connected by a bolt fixing method. The rod body 311 first passes through the harness disk 400, and then the positioning slide plates 312 are loaded on both ends of the rod body 311 and then inserted into the assembly disk 320. After the assembly is completed, one end of the cable is passed through the guide wheel 500 and inserted into the first tensioning unit 210 and the second tensioning unit 220, and the cable release work is completed by squeezing and rubbing the first tensioning unit 210 and the second tensioning unit 220;

[0052] In the present application, wheels are provided on the vehicle body 100, which can be driven by electricity or by human power. A speed sensor is provided on the wheel, and the motor structure of the first tensioning unit 210 and the second tensioning unit 220 can obtain the forward speed of the vehicle body 100 according to the speed sensor, and then match the relevant speed so that the cable release speed can keep up with the forward speed of the vehicle body 100;

[0053] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0054] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A cable pulling device for cable laying, characterized in that: include: A vehicle body, wherein the vehicle body is provided with a turntable assembly for placing a wiring harness reel; The tensioning assembly is arranged at the rear of the vehicle body, and the tensioning assembly includes a first tensioning unit and a second tensioning unit. The first tensioning unit and the second tensioning unit apply a clamping force to the cable on the harness reel and release it from the rear of the vehicle body to the belt laying area.

2. A cable pulling device for cable laying as claimed in claim 1, characterized in that: The second tensioning unit comprises: A sliding seat, wherein a motor and a tensioning wheel are provided on the sliding seat; A fixed seat, the sliding seat is assembled on the fixed seat and slides along the fixed seat; Wherein, a support spring is further provided between the sliding seat and the fixed seat, and the support spring provides reverse support when the cable presses the sliding seat.

3. A cable pulling device for cable laying as claimed in claim 2, characterized in that: The sliding seat is composed of a first flat plate, a second flat plate and a vertical plate to form a U-shaped structure; The tension wheel is arranged between the first plate and the second plate, and the tension wheel extends a sliding seat from the gap between the first plate and the second plate; The second flat plate is provided with a mounting hole, and the motor is mounted on the bottom of the sliding seat. The motor shaft of the motor extends from the mounting hole into between the first flat plate and the second flat plate and is connected to the tension wheel.

4. A cable pulling device for cable laying as claimed in claim 3, characterized in that: The fixing seat is a U-shaped structure, wherein a sliding opening is provided on one side of the fixing seat, and the second flat plate is slidably connected in the sliding opening.

5. A cable pulling device for cable laying as claimed in claim 4, characterized in that: The support spring is arranged on a side of the vertical plate away from the tensioning wheel and is connected to the fixing seat.

6. A cable pulling device for cable laying as claimed in claim 5, characterized in that: A guide wheel is also arranged inside the vehicle body.

7. A cable pulling device for cable laying as claimed in claim 5, characterized in that: The first tensioning unit and the second tensioning unit have the same structure and are arranged oppositely on two sides of the vehicle body.

8. A cable pulling device for cable laying as claimed in claim 7, characterized in that: The vehicle body is provided with wheels, and the wheels are provided with rotation speed sensors. The tensioning assembly adjusts the cable release speed according to the forward speed of the vehicle body obtained by the rotation speed sensor.

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