Fixing clamp for engineering cable test

Abstract

The utility model discloses a stationary fixture for engineering cable testing, and relates to the technical field of engineering cable detection, the stationary fixture comprises a workbench and a detection device, the top of the workbench is symmetrically provided with two clamping assemblies, and the top of the workbench is provided with the detection device between the two clamping assemblies. The cable clamping device is provided with the clamping assembly, a cable is placed at the center position of the rotating sleeve, the rotating sleeve is driven to rotate, three clamping blocks are driven to synchronously move towards the center position of the rotating sleeve, clamping of the cable is completed, the clamping assembly is high in adjustability, cables of different sizes can be clamped and fixed, clamping is stable, operation is easy, and the cable can be rapidly clamped and released; and the test preparation time is shortened, and the problems that when a lock ring is used for fixing in the prior art, the fixing range cannot be adjusted, cables with different thicknesses are inconvenient to clamp, the device applicability is poor, and unstable clamping is possibly caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering cable detection, in particular to a fixing clamp for engineering cable testing. Background Technique

[0002] High-voltage cables generally mainly include a cable body and an outer sheath wrapped around the cable body, and the outer sheath includes an inner metal outer sheath and an outer non-metal outer sheath. During the laying process of high-voltage cables, the deformation of the cable outer sheath (mainly the deformation of the metal outer sheath) caused by laying at the turning point often occurs. This type of situation belongs to a serious cable defect and may cause cable failures.

[0003] The device and system for testing the lateral pressure resistance performance of cables with the publication number of CN206756592U include a base, an ejecting mechanism, a pressure tester, a support frame and a deformation measuring tool. The ejecting mechanism and the support frame are both arranged on the base. The support frame is provided with two clamps distributed on both sides of the ejecting mechanism. The clamps are used to clamp the clamping ends of the cable test sample. The ejecting mechanism is used to jack up the test point on the test sample between the two clamping ends. The pressure tester is used to measure the ejecting pressure of the ejecting mechanism. The deformation measuring tool is used to measure the amount of deformation of the test point. The utility model truly simulates the actual construction conditions, can effectively simulate the lateral pressure resistance performance of the test sample under the actual construction conditions, so as to judge whether the test sample is qualified before the cable is laid, ensure the safety and reliability of the cable when it is put into use, and avoid circuit failures caused by cable deformation.

[0004] However, in the above solution, a locking ring is used for fixing, the fixing range is not adjustable, it is not convenient to clamp cables of different thicknesses, the applicability of the device is poor, and it may also lead to unstable clamping, and the consideration is not comprehensive enough. Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a fixing clamp for engineering cable testing is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a fixing clamp for engineering cable testing to solve the problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A fixing fixture for engineering cable testing, comprising a workbench and a detection device. Two clamping components are symmetrically installed on the top of the workbench. A detection device is provided in the middle of the two clamping components on the top of the workbench. The clamping component includes a fixing frame fixed on the top of the workbench. A rotating sleeve is connected in the middle of the fixing frame. A front plate is fixed on one side of the rotating sleeve, forming three openings with the rotating sleeve. Four mounting blocks are fixed on one side of the fixing frame. Three of the mounting blocks are rotatably connected with rotating rods. A sliding sleeve is sleeved on the rotating rod. The sliding sleeve is rotatably connected to the front plate. One end of the sliding sleeve is fixedly connected with a clamping block. A driving component is installed on the fixing frame, and the driving component is used to drive the rotating sleeve to rotate.

[0007] Preferably, the driving component includes a fixing block rotatably mounted on the mounting block on one side of the fixing frame. A screw rod is rotatably connected inside the fixing block. A moving block is threadedly connected to the screw rod. The moving block is rotatably connected to a convex block fixed on one side of the rotating sleeve.

[0008] Preferably, the rotating sleeve passes through the other side of the fixing frame and is fixed with a back plate. A plurality of balls are evenly distributed on the back plate. The protruding parts of the balls slide in a slideway opened on the other side of the fixing frame.

[0009] Preferably, a turntable is fixed to one end of the screw rod located in the fixing block by a bolt.

[0010] Preferably, the clamping block is fixed in a clamping mouth at one end of the sliding sleeve by a bolt.

[0011] Preferably, the clamping block is made of hard rubber material.

[0012] Preferably, a limiting plate is fixed to one end of the screw rod located at the moving block. The diameter of the limiting plate is larger than the diameter of the threaded area, and is used to limit the moving block.

[0013] Preferably, four bolt fixing holes are distributed in a matrix at the bottom of the fixing frame. The overall position of the clamping component can be adjusted by adjusting the installation position of the fixing holes.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. The utility model provides a fixing fixture for engineering cable testing, which is provided with a clamping component, and the cable is placed at the center position of a rotating sleeve. The rotating sleeve is driven to rotate, and three clamping blocks are driven to move synchronously toward the center position of the rotating sleeve to complete the clamping of the cable. The component has strong adjustability and can clamp and fix cables of different sizes. The clamping is stable and the operation is simple. The cable can be clamped and released quickly, and the test preparation time is reduced. The existing problem of using a locking ring for fixing is that the fixing range cannot be adjusted, it is inconvenient to clamp cables of different thicknesses, the device has poor applicability, and it may also cause the problem of unstable clamping.

[0016] 2. The utility model provides a fixing fixture for testing engineering cables, which is provided with a driving assembly. The rotating turntable drives the screw to rotate, and the moving block moves accordingly, driving the rotating sleeve to be pushed and rotated. The utility model is quick and simple to use, and the thread has a self-locking function, so the device has good stability and is easy to operate manually, which solves the problems of the existing fixing range being unadjustable, inconvenient to clamp cables of different thicknesses, and poor applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a fixing fixture for engineering cable testing according to the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the initial state of a fixing fixture clamping assembly for engineering cable testing of the utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the working state of a fixing fixture clamping assembly for engineering cable testing of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of a fixing fixture fixing frame for engineering cable testing of the utility model;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of a rotating sleeve of a fixing fixture for engineering cable testing of the utility model;

[0022] Figure 6 The utility model is a three-dimensional structural schematic diagram of some components of a fixing fixture for engineering cable testing.

[0023] In the figure: 1. workbench; 2. detection device; 3. clamping assembly; 301. fixed frame; 3011. mounting block; 3012. slideway; 302. rotating sleeve; 3021. front plate; 3022. protrusion; 3023. back plate; 3024. ball bearing; 303. rotating rod; 304. sliding sleeve; 305. clamping block; 4. driving assembly; 401. fixed block; 402. screw; 4021. turntable; 4022. limit plate; 403. moving block. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] To further understand the content of the present utility model, the present utility model will be described in detail in conjunction with the accompanying drawings.

[0026] Combined with Figures 1-6 , a fixing fixture for engineering cable testing of the present utility model includes a workbench 1 and a detection device 2. Two clamping components 3 are symmetrically installed on the top of the workbench 1. A detection device 2 is provided in the middle of the two clamping components 3 on the top of the workbench 1. The clamping component 3 includes a fixing frame 301 fixed on the top of the workbench 1. A rotating sleeve 302 is connected in the middle of the fixing frame 301. A front plate 3021 is fixed on one side of the rotating sleeve 302, forming three openings with the rotating sleeve 302. Four mounting blocks 3011 are fixed on one side of the fixing frame 301. Three of the mounting blocks 3011 are rotatably connected with a rotating rod 303. A sliding sleeve 304 is sleeved on the rotating rod 303. The sliding sleeve 304 is rotatably connected to the front plate 3021. One end of the sliding sleeve 304 is fixedly connected with a clamping block 305. A driving component 4 is installed on the fixing frame 301. The driving component 4 is used to drive the rotating sleeve 302 to rotate.

[0027] Specifically, when this case is used, the cable is placed at the central position of the rotating sleeve 302. The driving component 4 is used to drive the rotating sleeve 302 to rotate, driving the sliding sleeve 304 connected to the front plate 3021 thereon to move. The sliding sleeve 304 slides on the rotating rod 303 and drives the rotating rod 303 to rotate on the mounting block 3011. The clamping block 305 at one end of the sliding sleeve 304 moves accordingly. During this moving process, the three clamping blocks 305 move synchronously towards the central position of the rotating sleeve 302 to complete the clamping of the cable. After the clamping operations are completed at both ends, the detection device 2 is started for detection. This component has strong adjustability, can complete the clamping and fixing of cables of different sizes, has stable clamping and simple operation, can quickly clamp and release the cable, and reduces the test preparation time.

[0028] Next, the present utility model will be further described in conjunction with the embodiments.

[0029] Embodiment 1:

[0030] Combined with Figures 2-3 and Figure 6, the driving component 4 includes a fixed block 401 rotatably mounted on a mounting block 3011 on one side of the fixed frame 301. A screw rod 402 is rotatably connected inside the fixed block 401. A moving block 403 is threadedly connected to the screw rod 402. The moving block 403 is rotatably connected to a convex block 3022 fixed on one side of the rotating sleeve 302. When in use, rotate the screw rod 402 mounted on the fixed block 401. Since the moving block 403 is threadedly connected to the screw rod 402, the moving block 403 moves. Since the moving block 403 is rotatably connected to the convex block 3022, the rotating sleeve 302 is pushed to rotate. The fixed block 401 is rotatably connected to the mounting block 3011, so there will be no jamming during the moving process. It is quick and simple to use. The thread has a self-locking function, so the device has good stability and is convenient for manual operation.

[0031] A turntable 4021 is fixed at one end of the screw rod 402 in the fixed block 401 by bolts. Fixing the turntable 4021 on the screw rod 402 on one side of the fixed block 401 can improve the operation convenience. The bolts are convenient for installation, disassembly, and maintenance replacement.

[0032] A limiting plate 4022 is fixed at one end of the screw rod 402 in the moving block 403. The diameter of the limiting plate 4022 is larger than the diameter of the threaded area, which is used to limit the moving block 403. When the screw rod 402 is fixed with a limiting plate 4022 at one end of the moving block 403, during the rotation process, when the moving block 403 moves to the end of the screw rod 402, it will be blocked by the limiting plate 4022 and thus stop moving for limiting, preventing the device from falling off due to excessive movement and improving the device stability.

[0033] Embodiment 2:

[0034] Combined with Figures 4-6 , a back plate 3023 is fixed through the fixed frame 301 on the other side of the rotating sleeve 302. A number of balls 3024 are evenly distributed on the back plate 3023. The protruding parts of the balls 3024 slide in a slideway 3012 opened on the other side of the fixed frame 301. Fixing the back plate 3023 through the fixed frame 301 on the rotating sleeve 302 improves the connection between the fixed frame 301 and the rotating sleeve 302. And setting the balls 3024 on the back plate 3023 to roll, and the protruding parts roll on the slideway 3012 opened on the fixed frame 301, can reduce the friction between components, improve the smoothness of the device rotation, and strengthen the connectivity and stability of the device.

[0035] The clamping block 305 is fixed in the clamp of one end of the sliding sleeve 304 by bolts. Fixing the clamping block 305 in the opening of the sliding sleeve 304 by bolts is convenient for installation and also convenient for disassembling and replacing the clamping block 305 to meet different production requirements.

[0036] The clamping block 305 is made of hard rubber. Hard rubber has high wear resistance and can maintain stable clamping during the process of clamping and releasing an object. Hard rubber has a certain elasticity and toughness, and can provide appropriate buffering and shock absorption effects during clamping to reduce damage to the object.

[0037] Four bolt fixing holes are distributed in a matrix at the bottom of the fixing frame 301. The overall position of the clamping assembly 3 can be adjusted by adjusting the installation positions of the fixing holes. Four bolt fixing holes are distributed in a matrix at the bottom of the fixing frame 301. The fixing frame 301 is firmly installed using bolts, and the installation and disassembly are convenient. With strong adaptability, the installation position of the clamping assembly 3 can be conveniently adjusted.

[0038] It should be noted that in this article, relational terms such as first and second are only used 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 term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixing fixture for engineering cable testing, comprising a workbench (1) and a detection device (2), characterized in that: Two clamping components (3) are symmetrically installed on the top of the workbench (1), and a detection device (2) is arranged in the middle of the two clamping components (3) on the top of the workbench (1). The clamping component (3) includes a fixed frame (301) fixed on the top of the workbench (1). A rotating sleeve (302) is connected in the middle of the fixed frame (301). A front plate (3021) is fixed on one side of the rotating sleeve (302), forming three openings with the rotating sleeve (302). Four mounting blocks (3011) are fixed on one side of the fixed frame (301). Three of the mounting blocks (3011) are rotatably connected with a rotating rod (303). A sliding sleeve (304) is sleeved on the rotating rod (303). The sliding sleeve (304) is rotatably connected to the front plate (3021). One end of the sliding sleeve (304) is fixedly connected with a clamping block (305). A driving component (4) is installed on the fixed frame (301), and the driving component (4) is used to drive the rotating sleeve (302) to rotate.

2. The fixed fixture for engineering cable testing according to claim 1, wherein: The driving component (4) includes a fixed block (401) rotating on the mounting block (3011) on one side of the fixed frame (301). A screw rod (402) is rotatably connected inside the fixed block (401). A moving block (403) is threadedly connected to the screw rod (402). The moving block (403) is rotatably connected to a convex block (3022) fixed on one side of the rotating sleeve (302).

3. The fixed fixture for engineering cable testing according to claim 1, characterized in that: The rotating sleeve (302) passes through the other side of the fixed frame (301) and is fixed with a back plate (3023). A number of balls (3024) are evenly distributed on the back plate (3023). The protruding parts of the balls (3024) slide in a slideway (3012) opened on the other side of the fixed frame (301).

4. The fixed fixture for engineering cable testing according to claim 2, characterized in that: A turntable (4021) is fixed at one end of the screw rod (402) located in the fixed block (401) by a bolt.

5. The fixed fixture for engineering cable testing according to claim 1, wherein: The clamping block (305) is fixed in a clamping port at one end of the sliding sleeve (304) by a bolt.

6. The fixed fixture for engineering cable testing according to claim 1, characterized in that: The clamping block (305) is made of hard rubber material.

7. The fixed fixture for engineering cable testing according to claim 4, characterized in that: A limiting plate (4022) is fixed at one end of the screw rod (402) located at the moving block (403). The diameter of the limiting plate (4022) is larger than the diameter of the threaded area, and is used to limit the moving block (403).

8. The fixed fixture for engineering cable testing according to claim 1, characterized in that: Four bolt fixing holes are distributed in a matrix at the bottom of the fixed frame (301). The overall position of the clamping component (3) can be adjusted by adjusting the installation positions of the fixing holes.

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