Power cable test connecting device
By designing a power cable test connection device, the problem of simultaneously fixing multiple cables during cable withstand voltage testing was solved, and efficient testing and data recording were achieved.
Patent Information
- Application Number
- CN202311442586.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-01
- Publication Date
- 2025-09-30
AI Technical Summary
In the prior art, only a single power cable can be tested during withstand voltage testing, which is cumbersome to operate and difficult to fix multiple cables at the same time, resulting in low testing efficiency.
A power cable test connection device was designed, which used structures such as a test frame, a connection panel, a cylinder, a curved panel and a pulling component to achieve simultaneous fixation and testing of multiple cables.
It realizes the convenient connection of multiple cables, improves the detection efficiency, and can display the maximum stress position of the cable in real time, which is convenient for data recording.
Smart Images

Figure CN120722017A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of power cable test connection, in particular to a power cable test connection device. Background Art
[0002] Power cables are cables used to transmit and distribute electrical energy. They are commonly used in urban underground power grids, power station lead-out lines, internal power supplies for industrial and mining enterprises, and underwater transmission lines across rivers and seas. Power cables need to undergo a withstand voltage test before mass production, and only after the test can they be put into mass production.
[0003] Usually, when performing voltage resistance testing on power cables, only a single cable can be tested at a time, and the staff needs to fix it before testing. The operation is cumbersome and inconvenient to fix multiple cables at the same time and conduct tests, which reduces the efficiency of the test. Therefore, it does not meet the existing needs. In this regard, we propose a power cable test connection device. Summary of the Invention
[0004] The present invention provides a power cable test connection device, which has the beneficial effect of being able to connect and fix multiple cables at one time, making it easier to test them and improving the detection efficiency. It solves the problem mentioned in the above background technology that workers need to fix them before testing can be carried out, which is cumbersome to operate and inconvenient to fix multiple cables at one time and conduct tests, thereby reducing the efficiency of the test.
[0005] The present invention provides the following technical solution: a power cable test connection device, comprising a test frame and a connection panel slidably arranged on the test frame, wherein the lower end of the connection panel is fixedly installed with a test cylinder, the lower end of the test cylinder is fixedly installed with a fixed panel, the fixed panel is fixedly installed on the test frame, a slide groove is provided on the side wall of the test frame, the connection panel is slidably arranged on the slide groove, a connection hole is provided on the side wall of the test frame, a connection groove is provided on the connection panel, an arc panel is slidably arranged on the connection hole and the connection groove, and a pulling component that can drive the arc panel to push is provided on the test frame.
[0006] As an optional solution of the power cable test connection device described in the present invention, the pulling assembly includes a push plate slidably arranged on the connection panel and the side wall of the inner cavity of the test frame, and a plurality of fixed rods fixedly installed on the side wall of the push plate, and the plurality of fixed rods are fixedly connected to the side walls of the corresponding curved panels, and a threaded rod is rotatably arranged on the side wall of the inner cavity of the test frame and the connection panel, and the two push plates are threadedly arranged on the threaded rod.
[0007] As an optional solution of the power cable test connection device described in the present invention, wherein: a rotating cam and a connecting cam are respectively rotated on the side walls of the inner cavity of the test frame, and a rope is wound between the threaded rod, the rotating cam and the connecting cam.
[0008] As an optional solution of the power cable test connection device of the present invention, the rope is inserted into the slide groove.
[0009] As an optional solution of the power cable test connection device of the present invention, the connection groove is located directly below the connection hole, and the power cable is inserted into the connection hole until it reaches the connection groove.
[0010] As an optional solution of the power cable test connection device described in the present invention, an indicator assembly is provided on the side wall of the inner cavity of the experimental frame, and the indicator assembly includes a connecting block fixedly mounted on the side wall of the connection panel and sliding rods fixedly mounted at both ends of the connecting block, one end of each of the two sliding rods is fixedly mounted with an indicator plate, and scale lines are engraved on the side wall of the experimental frame, and the indicator plate is arranged on one side of the scale lines.
[0011] The present invention has the following beneficial effects:
[0012] 1. With the cooperation of the connecting hole, connecting groove, experimental cylinder, connecting panel, rope, threaded rod, connecting cam and rotating cam, the threaded rod will drive the corresponding push plate to move, and the push plate moves along the surface of the threaded rod. The push plate pushes the corresponding curved panel through several fixed rods, and the relative curved panels can move toward each other. At this time, the curved panel of the curved panel can clamp the cable to achieve connection with the device, achieving the effect of convenient connection of multiple cables at the same time, facilitating pressure testing on them, and improving detection efficiency.
[0013] 2. When the connection panel slides downward, it drives the sliding rod to slide downward through the connecting block. The sliding rod can drive the corresponding indicator plate to slide along the scale line. When the cable reaches the maximum tolerance value, it will tear. At this time, the position of the scale line indicated by the indicator plate is the position where the cable can withstand the maximum tension, which is convenient for the operator to view and record data. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.
[0015] Figure 2 Schematic diagram of the experimental framework structure of the present invention.
[0016] Figure 3 It is a schematic structural diagram of the pulling component of the present invention.
[0017] Figure 4 For the present invention Figure 2 Enlarged view of point A in the middle.
[0018] In the figure: 1. Experimental frame; 2. Connection panel; 3. Experimental cylinder; 4. Fixed panel; 5. Connection groove; 6. Connection hole; 7. Scale line; 8. Indicator plate; 9. Pulling assembly; 91. Pushing plate; 92. Fixed rod; 93. Threaded rod; 94. Connecting cam; 95. Rotating cam; 96. Rope; 10. Slide groove; 11. Indicator assembly; 111. Sliding rod; 112. Connecting block; 12. Curved panel. DETAILED DESCRIPTION
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] Example 1
[0021] See also Figure 1-4 A power cable test connection device includes a test frame 1 and a connection panel 2 slidably arranged on the test frame 1, a test cylinder 3 is fixedly installed on the lower end of the connection panel 2, a fixed panel 4 is fixedly installed on the lower end of the test cylinder 3, and the fixed panel 4 is fixedly installed on the test frame 1. A slide groove 10 is provided on the side wall of the test frame 1, and the connection panel 2 is slidably arranged on the slide groove 10. A connection hole 6 is provided on the side wall of the test frame 1, and a connection groove 5 is provided on the connection panel 2. An arc panel 12 is slidably arranged on the connection hole 6 and the connection groove 5, and a pulling component 9 that can drive the arc panel 12 to push is provided on the test frame 1.
[0022] The pulling assembly 9 includes a pushing plate 91 slidably arranged on the inner cavity side wall of the connecting panel 2 and the experimental frame 1 and a plurality of fixing rods 92 fixedly installed on the side wall of the pushing plate 91. The plurality of fixing rods 92 are fixedly connected to the side wall of the corresponding curved panel 12. A threaded rod 93 is rotatably arranged on the inner cavity side wall of the experimental frame 1 and the connecting panel 2, and the two pushing plates 91 are threadedly arranged on the threaded rod 93.
[0023] The rotating cam 95 and the connecting cam 94 are respectively rotated on the side wall of the inner cavity of the experimental frame 1. A rope 96 is wound between the threaded rod 93, the rotating cam 95 and the connecting cam 94. Figure 2 It can be seen that a torsion spring is provided on the connecting cam 94 , and the torsion spring can facilitate the connecting cam 94 to return to the initial position after rotation.
[0024] The rope 96 is inserted into the slide groove 10 .
[0025] The connection groove 5 is located directly below the connection hole 6 , and the power cable is inserted through the connection hole 6 until it reaches the connection groove 5 .
[0026] It should be noted that the structures inside the experimental frame 1 and the connection panel 2 are roughly the same. The curved panels 12 on the two will move simultaneously, and the upper and lower ends of the cable can be connected and clamped at the same time to facilitate testing.
[0027] In this embodiment: when it is necessary to perform a withstand voltage test on the power cable, it is necessary to connect the cable removal device, and insert several cables into the connection hole 6 and the connection groove 5 in sequence. When testing it, the experimental cylinder 3 is turned on, and the experimental cylinder 3 drives the connection panel 2 to slide along the side wall of the inner cavity of the experimental frame 1. In the process of sliding downward, the connection panel 2 pulls the threaded rod 93 on the connection panel 2 through the rope 96, and the rope 96 rotates along the connection concave wheel 94. It is then set by rotating the concave wheel 95, and the rope 96 can be conveniently Pull the threaded rod 93 on the top of the experimental frame 1, and the threaded rod 93 will drive the corresponding push plate 91 to move. The push plate 91 moves along the surface of the threaded rod 93, and the push plate 91 pushes the corresponding curved panel 12 through several fixed rods 92. The relative curved panels 12 can move toward each other. At this time, the curved panel 12 of the curved panel 12 can clamp the cable to achieve connection with the device, thereby achieving the effect of conveniently connecting multiple cables at the same time, facilitating voltage resistance testing thereon, and improving detection efficiency.
[0028] Example 2
[0029] This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1-2 An indicator assembly 11 is provided on the side wall of the inner cavity of the experimental frame 1. The indicator assembly 11 includes a connecting block 112 fixedly mounted on the side wall of the connecting panel 2 and sliding rods 111 fixedly mounted at both ends of the connecting block 112. One end of the two sliding rods 111 is fixedly mounted with an indicator plate 8. A scale line 7 is engraved on the side wall of the experimental frame 1, and the indicator plate 8 is arranged on one side of the scale line 7.
[0030] In this embodiment, when the connection panel 2 slides downward, it drives the sliding rod 111 to slide downward through the connecting block 112, and the sliding rod 111 can drive the corresponding indicator plate 8 to slide along the scale line 7. When the cable reaches the maximum tolerance value, it will tear. At this time, the position of the scale line 7 pointed by the indicator plate 8 is the position where the cable can withstand the maximum tension, which is convenient for the operator to view and record data.
[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.
Claims
1. A power cable test connection device, comprising a test frame (1) and a connection panel (2) slidably arranged on the test frame (1), a test cylinder (3) being fixedly mounted on the lower end of the connection panel (2), a fixed panel (4) being fixedly mounted on the lower end of the test cylinder (3), and the fixed panel (4) being fixedly mounted on the test frame (1), characterized in that: A sliding groove (10) is provided on the side wall of the experimental frame (1), and the connecting panel (2) is slidably arranged on the sliding groove (10). A connecting hole (6) is provided on the side wall of the experimental frame (1), and a connecting groove (5) is provided on the connecting panel (2). An arc-shaped panel (12) is slidably arranged on both the connecting hole (6) and the connecting groove (5), and a pulling component (9) that can drive the arc-shaped panel (12) to push is provided on the experimental frame (1).
2. A power cable test connection device according to claim 1, characterized in that: The pulling assembly (9) comprises a pushing plate (91) slidably arranged on the inner cavity side wall of the connecting panel (2) and the experimental frame (1) and a plurality of fixing rods (92) fixedly installed on the side wall of the pushing plate (91), wherein the plurality of fixing rods (92) are fixedly connected to the side wall of the corresponding curved panel (12), and a threaded rod (93) is rotatably arranged on the inner cavity side wall of the experimental frame (1) and the connecting panel (2), and the two pushing plates (91) are threadedly arranged on the threaded rod (93).
3. A power cable test connection device according to claim 2, characterized in that: A rotating cam (95) and a connecting cam (94) are respectively rotated on the side wall of the inner cavity of the experimental frame (1), and a rope (96) is wound between the threaded rod (93), the rotating cam (95) and the connecting cam (94).
4. A power cable test connection device according to claim 3, characterized in that: The rope (96) is inserted into the slide groove (10).
5. A power cable test connection device according to claim 4, characterized in that: The connection groove (5) is located directly below the connection hole (6), and the power cable is inserted through the connection hole (6) until it reaches the connection groove (5).
6. A power cable test connection device according to claim 5, characterized in that: An indicator assembly (11) is provided on the inner cavity side wall of the experimental frame (1), and the indicator assembly (11) comprises a connecting block (112) fixedly mounted on the side wall of the connecting panel (2) and sliding rods (111) fixedly mounted at both ends of the connecting block (112), and an indicator plate (8) is fixedly mounted on one end of each of the two sliding rods (111). A scale line (7) is engraved on the side wall of the experimental frame (1), and the indicator plate (8) is arranged on one side of the scale line (7).