Cable dragging and moving test equipment

Abstract

The utility model provides cable dragging and moving test equipment, which belongs to the technical field of cable test and comprises a cable winding and unwinding device, a cable winding and unwinding device, a cable winding and unwinding device, a cable winding and unwinding device and a cable winding and unwinding device, the moving track is arranged on one side of the cable take-up and pay-off device; the moving trolley is arranged on the moving track in a sliding manner, the other end of the cable sample is fixed on the moving trolley, and the moving trolley is used for automatically dragging the cable sample for paying off; the control cabinet is provided with a frequency converter and a performance indication and judgment system, and the frequency converter is electrically connected with the frequency conversion motor of the moving trolley and used for adjusting the moving speed of the moving trolley; the performance indication and judgment system is electrically connected with the cable sample and is used for monitoring whether the cable sample has a core breakage condition or not; and the power supply cabinet is electrically connected with the control cabinet, the cable take-up and pay-off device and the moving trolley. The device can be used for simulating the performance test of the cable under the stress moving working conditions such as dragging and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of cable testing, and particularly to a cable dragging and moving test device. Background Art

[0002] With the continuous development and exploration of society for energy resources, intelligent manufacturing, and infrastructure, the importance of power supply systems in various equipment and application scenarios has become increasingly prominent. This has not only promoted the diversification of cable demands but also put forward higher requirements for cable performance. Traditional wires and cables are usually fixedly laid and mainly used for the stable transmission of electricity or signals. However, the application environment and operating conditions of cables are becoming increasingly complex nowadays, and cables often need to supply power while moving with equipment, which may cause cables to be affected by dynamic stresses during use.

[0003] In view of such working conditions, it has become particularly crucial to develop special cable simulation moving test devices. These devices can accurately simulate the forces that cables withstand during moving and dragging, strictly test the cables, ensure their performance stability during actual operation, and ensure their use safety. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defects of the prior art and provide a cable dragging and moving test device, which can be used to simulate the performance test of cables under force-bearing moving conditions such as dragging, so as to ensure that the cables have excellent use performance.

[0005] To achieve the above and other purposes, the utility model is realized by including the following technical solutions: The utility model provides a cable dragging and moving test device, including a cable winding and unwinding device, which is fixed to one end of a cable sample and used for storing and unwinding the cable sample; a moving track, which is arranged on one side of the cable winding and unwinding device; a moving trolley, which is slidably arranged on the moving track and has the other end of the cable sample fixed thereto, and is used for automatically dragging the cable sample to unwind; a control cabinet, which is equipped with an inverter and a performance indication and determination system, the inverter is electrically connected to the variable-frequency motor of the moving trolley and is used for adjusting the moving speed of the moving trolley; the performance indication and determination system is electrically connected to the cable sample and is used for monitoring whether there is a broken core in the cable sample; a power cabinet, which is electrically connected to the control cabinet, the cable winding and unwinding device, and the moving trolley respectively.

[0006] In one embodiment, the cable winding and unwinding device includes a support frame, a cable winding and unwinding disc, and a power steering unit. The support frame is arranged on the ground; the cable winding and unwinding disc is installed on the support frame; the power steering unit is arranged on the support frame and is connected to the rotating shaft of the cable winding and unwinding disc.

[0007] In one embodiment, an emergency stop button is provided on the support frame.

[0008] In one embodiment, a limiter is provided at one end of the moving track away from the cable winding and unwinding device.

[0009] In one embodiment, the upper end surface of the moving track is at a certain height from the ground to form an accommodation space between the first track and the second track of the moving track, and a drag chain device is provided in the accommodation space.

[0010] In one embodiment, the drag chain device includes a drag chain and a drag chain groove. The drag chain groove is installed in the accommodation space, and there is a height difference between the drag chain groove and the upper end surface of the moving track; one end of the drag chain is fixed to one end of the drag chain groove located at the cable winding and unwinding device, and the other end is fixedly connected to the moving trolley; multiple cables are placed in the drag chain, and the drag chain and the cables move along with the movement of the moving trolley.

[0011] In one embodiment, among the multiple cables, there are control cables, power supply cables, and detection cables; one end of the control cable is connected to the control cabinet, and the other end is electrically connected to the moving trolley; one end of the power supply cable is connected to the power supply cabinet, and the other end is electrically connected to the moving trolley; one end of the detection cable is connected to the control cabinet, and the other end is electrically connected to the cable sample on the moving trolley.

[0012] In one embodiment, a control panel is provided on the control cabinet, and test parameters are set through the control panel.

[0013] In one embodiment, start, stop, and emergency brake buttons of the equipment, as well as indicator lights connected to the performance indication and determination system, are also installed on the control cabinet.

[0014] In one embodiment, both ends of the cable sample respectively expose at least 20 cm from the cable winding and unwinding disc and the moving trolley.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. The overall design of the present utility model is concise, the cost is well controlled, and it is highly automated at the same time. It can be specifically used to simulate the working conditions of cable dragging and moving. By designing a frequency converter and a performance indication and determination system in the control cabinet, it can provide the determination of the mechanical properties and electrical properties of the cable under different dragging and moving speeds and pulling forces, so as to ensure the safe and stable use of the mobile cable for power supply to equipment and ensure the continuous safe use of the cable and the corresponding equipment;

[0017] 2. By providing a limiter at the end of the moving track, the present utility model can prevent the moving trolley from running out of the moving track due to operation failure.

[0018] 3. The design of the drag chain device of the present utility model can facilitate the fixation and storage of the cables moving with the mobile trolley.

[0019] 4. The present utility model is provided with an indicator light on the control cabinet and connected to the performance indication and determination system. This design can, when problems such as conductor core breakage occur during the operation of the cable sample, prompt that the product is unqualified by the lighting of the indicator light, visualize the test results, and is convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of a cable dragging and moving test device of the present utility model.

[0021] Figure 2 It is a schematic structural diagram of the moving track, mobile trolley and drag chain device in a cable dragging and moving test device of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following specific examples illustrate the embodiments of the present utility model, and those skilled in the art can easily understand the other advantages and effects of the present utility model from the content disclosed in this specification.

[0023] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in the art to understand and read, and are not used to limit the limiting conditions under which the present utility model can be implemented. Therefore, they do not have a technical essence. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0024] In the present utility model, the serial numbers assigned to the components themselves, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meaning. The terms "a", "one" or "the" and other similar words used in the present utility model do not indicate a quantity limitation, but only indicate the existence of at least one. And the "connection" mentioned in the present utility model, unless otherwise specified, includes both direct and indirect connections. The term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, and in addition to the listed elements, it may also include other elements not specifically listed.

[0025] In order to avoid confusion with the present utility model, some well-known technical features in the art are not described.

[0026] Please refer to Figure 1 and Figure 2, the utility model provides a cable dragging and moving test device for performing dragging and moving tests on a cable sample 200. The cable dragging and moving test device includes a control cabinet 10, a power cabinet 20, a cable winding and unwinding device 30, a moving track 40, a moving trolley 50, and a drag chain device 60.

[0027] The control cabinet 10 is a variable frequency control cabinet, which is equipped with an inverter and a performance indication and determination system. The inverter is electrically connected to the moving trolley 50 for adjusting the moving speed of the moving trolley 50; the performance indication and determination system is electrically connected to the cable sample 200 for monitoring whether there is a broken core in the cable sample 200. The control cabinet 10 has a control panel through which the parameters of the device can be set. The control cabinet 10 is also equipped with start, stop, and emergency brake buttons of the device, as well as indicator lights for performance determination.

[0028] The power cabinet 20 is electrically connected to the control cabinet 10, the steering power unit 33 of the cable winding and unwinding device 30, and the moving trolley 50 respectively, and provides electrical energy for them to make the device operate.

[0029] The cable winding and unwinding device 30 includes a support frame 31, a cable winding and unwinding disk 32, and a power steering unit 33. The support frame 31 is arranged on the ground for supporting the cable winding and unwinding disk 32; the cable winding and unwinding disk 32 is installed on the support frame 31 for storing and paying out the cable sample 200, and plastic cable disks with different diameter sizes can be selected according to the specification requirements of the cable sample 200; the power steering unit 33 is arranged on the support frame 31. The power steering unit 33 can be a motor, etc., and is connected to the rotating shaft of the cable winding and unwinding disk 32 for applying positive and negative forces to the cable winding and unwinding disk 32 to drive the cable winding and unwinding disk 32 to rotate in the positive direction to realize winding and unwinding. When the cable sample 200 is paid out forward, the reverse force of the cable winding and unwinding disk 32 can be set through the power steering unit 33 to control the paying out speed; when the cable sample 200 is retracted backward, the retracting speed can be set through the power steering unit 33. Further, an emergency stop button can also be arranged on the support frame 31 so that in case of problems during operation, the operation can be manually stopped emergently.

[0030] The moving track 40 is a double-row moving track, serving as the running route of the moving trolley 50, and is arranged on one side of the cable winding and unwinding device 30. The upper end surface of the moving track 40 is at a certain height from the ground to form an accommodation space between the first track 41 and the second track 42 of the moving track 40. The moving trolley 50 is slidably arranged on the moving track 40, and one end of the cable sample 200 is fixed thereon, for automatically dragging the cable sample 200 to unwind the cable. A variable-frequency motor is arranged in the moving trolley 50, which is connected to the frequency converter of the control cabinet 10, and the moving speed of the moving trolley 50 can be set through the control panel of the control cabinet 10.

[0031] Further, in order to prevent the moving trolley 50 from running out of control and rushing out of the moving track 40, a stopper 43 can be arranged at one end of the moving track 40 away from the cable winding and unwinding device 30.

[0032] As Figure 2 shown, the drag chain device 60 includes a drag chain 61 and a drag chain groove 62. The drag chain groove 62 is installed in the accommodation space formed between the first track 41 and the second track 42, and there is a height difference between the drag chain groove 62 and the upper end surface of the moving track 40, so that the drag chain 61 can be wound and stacked in the accommodation space. One end of the drag chain 61 is fixed at one end of the drag chain groove 62 located at the cable winding and unwinding device 30, and the other end is fixedly connected to the moving trolley 50. Multiple cables 53 are placed in the drag chain 51, and the drag chain 51 and the cables 53 move along with the movement of the moving trolley 50. Among the multiple cables 53, there are control cables, power supply cables, detection cables, etc. One end of the control cable is connected to the control cabinet 10, and the other end is electrically connected to the moving trolley 50, for transmitting control signals to the moving trolley 50; one end of the power supply cable is connected to the power supply cabinet 20, and the other end is electrically connected to the moving trolley 50, for transmitting electric energy to the moving trolley 50; one end of the detection cable is connected to the control cabinet 10, and the other end is electrically connected to the cable sample 200 on the moving trolley 50, for determining whether there are problems such as broken cores in the cable sample 200.

[0033] The steps of performing cable dragging and moving tests using the cable dragging and moving test equipment provided by the present utility model are as follows:

[0034] S1. Use a qualified finished cable as the cable sample 200, fix one end of the cable sample 200 on the cable winding and unwinding disc 32, and the other end on the moving trolley 50, and both ends need to be exposed by at least 20 cm for connecting the performance indication and determination system in the control cabinet 10;

[0035] S2. After the cable sample 200 is installed, set the moving distance of the moving trolley 50 through the control panel of the control cabinet 10, set the wire releasing reverse force of the cable winding and unwinding device 30, set the winding and unwinding direction and power of the cable winding and unwinding device 30 according to the moving distance, and set the operation frequency.

[0036] S3. Start the test. During the test, when a core break occurs during the operation of the cable sample 200, the operation automatically stops, and the performance indication and determination system of the control cabinet 10 determines that the sample is unqualified; after the test is completed, if no core break phenomenon occurs in the cable sample 200, remove the cable sample 200 and conduct a finished product test. If it is still qualified, determine that the cable sample 200 is qualified.

[0037] Therefore, the present utility model effectively overcomes various disadvantages in the prior art and has high industrial utilization value. The above embodiments are only illustrative of the principles and effects of the present utility model and are not used to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A cable dragging mobile test device, characterized in that: include A cable retracting device, fixed to one end of the cable sample, used for storing and releasing the cable sample; A movable track is arranged on one side of the cable retracting and releasing device; A moving trolley is slidably arranged on the moving track, on which the other end of the cable sample is fixed, and is used for automatically dragging the cable sample for laying out; A control cabinet, wherein a frequency converter and a performance indication determination system are provided, wherein the frequency converter is electrically connected to the variable frequency motor of the mobile trolley for adjusting the moving speed of the mobile trolley; the performance indication determination system is electrically connected to the cable sample for monitoring whether the cable sample has a broken core; A power supply cabinet is electrically connected to the control cabinet, the cable retracting device and the mobile vehicle respectively.

2. The cable dragging mobile testing device according to claim 1, characterized in that: The cable retracting device comprises a support frame, a cable retracting drum and a power steering unit, wherein the support frame is arranged on the ground; the cable retracting drum is installed on the support frame; the power steering unit is arranged on the support frame and connected to the rotating shaft of the cable retracting drum.

3. The cable dragging mobile testing device according to claim 2, characterized in that: An emergency stop button is arranged on the supporting frame.

4. The cable dragging mobile testing device according to claim 1, characterized in that: A limiter is arranged at one end of the movable track away from the cable retracting and releasing device.

5. The cable dragging mobile testing device according to claim 1, characterized in that: The upper end surface of the movable track is at a certain height from the ground to form an accommodating space between the first track and the second track of the movable track, and a drag chain device is arranged in the accommodating space.

6. The cable dragging mobile testing device according to claim 5, characterized in that: The drag chain device includes a drag chain and a drag chain groove, the drag chain groove is installed in the accommodating space, and there is a height difference between the drag chain groove and the upper end surface of the movable track; one end of the drag chain is fixed to the drag chain groove at one end of the cable retracting device, and the other end is fixedly connected to the moving trolley; multiple cables are placed in the drag chain, and the drag chain and the cables move with the movement of the moving trolley.

7. The cable dragging mobile testing device according to claim 6, characterized in that: The multiple cables include control cables, power supply cables and detection cables; one end of the control cable is connected to the control cabinet, and the other end is electrically connected to the mobile cart; one end of the power supply cable is connected to the power supply cabinet, and the other end is electrically connected to the mobile cart; one end of the detection cable is connected to the control cabinet, and the other end is electrically connected to the cable sample on the mobile cart.

8. The cable dragging mobile testing device according to claim 1, characterized in that: The control cabinet is provided with a control panel, and the test parameters are set through the control panel.

9. The cable dragging mobile testing device according to claim 1, characterized in that: The control cabinet is also equipped with start, stop and emergency brake buttons for the equipment, as well as an indicator light connected to the performance indication determination system.

10. The cable dragging mobile testing device according to claim 1, characterized in that: Both ends of the cable sample are exposed from the cable retractable tray and the moving trolley by at least 20 cm respectively.

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