Cable tensile strength testing device
By designing a cable tensile strength testing device with a multi-fixed-axis structure for interlaced cable winding and a pressure cylinder clamping head, the problems of cumbersome operation and low efficiency of traditional testing devices are solved, and efficient and safe tensile performance evaluation of various parts of the cable is achieved.
Patent Information
- Application Number
- CN202422684939.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Traditional cable tensile strength testing devices are cumbersome to operate, time-consuming, have low testing efficiency, and are difficult to evaluate the tensile properties of different parts of the cable simultaneously.
A cable tensile strength testing device was designed, which uses multiple upper and lower fixed shafts to alternately wind the cable, combined with a pressure cylinder and a clamping head, to achieve simultaneous tensile testing of multiple sections of the cable, and uses a pressure sensor and a rangefinder to detect the tensile force and elongation.
It enables multi-segment tensile testing of various parts of the cable, improving testing efficiency, providing richer data points, and ensuring testing safety and accuracy through a protective glass door.
Smart Images
Figure CN223581587U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of cable tensile testing device, specifically cable tensile strength testing device, belong to cable test technical field. BACKGROUND
[0002] Cable tensile strength test is an important method to evaluate the physical properties of cable, especially to measure the strength and elongation capacity of cable material when subjected to tensile force, and this test is crucial to ensure the safety and reliability of cable in practical application, and the test usually includes measuring the maximum tensile force (tensile strength) that cable can withstand before breaking and the elongation length (breaking elongation) when reaching breaking force.
[0003] However, the conventional cable tensile strength testing device is usually used to clamp the cable with clamping head, and then pull from one end to test, and to avoid error and improve test accuracy, it needs to cut a cable into multiple segments, and then test the multiple segments respectively, which is cumbersome, time-consuming and increases test cost, and the test efficiency is low.
[0004] Therefore, we provide cable tensile strength testing device to solve the above problems. UTILITY MODEL CONTENT
[0005] To solve the above problems, the utility model provides cable tensile strength testing device to solve the above problems, and the specific technical scheme is:
[0006] The cable tensile strength testing device comprises a device shell, a plurality of upper fixing shafts are arranged in the device shell, a fixed plate is slidably connected to the outer end of the upper fixing shaft, a connecting plate is connected to the side end of the fixed plate, a No. 1 pressure cylinder is connected in the device shell, a plurality of lower fixing shafts are connected in the device shell, a No. 2 pressure cylinder is connected to the rear end of the device shell, a pressure sensor is connected to the lower end of the No. 2 pressure cylinder, a moving block is connected to the lower end of the pressure sensor, a connecting rod is connected to the side end of the moving block, and a clamping head is connected to the side end of the connecting rod.
[0007] Preferably, a door frame is arranged at the front end of the device shell, a protective glass door is arranged in the door frame, a handle is connected to the outer end of the protective glass door, a control box is arranged at the front end of the door frame, and a display screen is arranged in the control box.
[0008] Preferably, the upper fixing shaft is located at the upper end of the lower fixing shaft, the cable is wound alternately at the outer end of the upper fixing shaft and the lower fixing shaft, anti-skid tooth grooves are formed in the inner side of the fixed plate, and the driving end of the No. 1 pressure cylinder is connected with the connecting plate.
[0009] Preferably, the moving block is connected with a distance measuring device at the lower end, the device shell is connected with a distance measuring plate at the rear end, the distance measuring device is a laser distance measuring device, which emits laser light on the distance measuring plate, a sliding groove is formed in the device shell, and the connecting rod is slidingly connected in the sliding groove.
[0010] Preferably, the clamping head comprises a fixed clamp connected with the connecting rod, a connecting block connected with the connecting rod at the side end, and a third cylinder connected with the connecting block at the side end.
[0011] Preferably, the third cylinder is connected with a moving clamp at the driving end, the cable is located between the fixed clamp and the moving clamp, anti-skid tooth grooves are formed in the side ends of the fixed clamp and the moving clamp, a fourth cylinder is connected in the device shell, and the fourth cylinder is connected with a moving clamp at the driving end, and the moving clamp is provided with a fixed clamp at the lower end.
[0012] Preferably, the device shell is connected with a protective shell at the rear end, the second cylinder, the pressure sensor, the distance measuring device and the distance measuring plate are located in the protective shell, and support frames are connected to the two sides of the device shell.
[0013] Preferably, the.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1、The cable tensile strength testing device is provided with a plurality of upper fixed shafts and lower fixed shafts, the cable is wound between the upper fixed shafts and the lower fixed shafts, so that one cable can be divided into multiple sections, the first cylinder is provided to drive the connecting plate and the fixed plate to move, so that the fixed plate and the upper fixed shafts can cooperate to clamp and fix the cable, the second cylinder and the pressure sensor are provided, the cable is clamped by the clamping head, and then the second cylinder is started, so that the moving block and the connecting rod can drive the clamping head to move, thereby the cable between the upper fixed shafts and the lower fixed shafts is pulled, the pressure sensor can detect the pressure received thereby and the tension received by the cable, so that the tensile strength of the cable can be tested, the device can simultaneously perform multiple section tensile tests on one cable, the tensile strength of each part of the cable can be more comprehensively evaluated, multiple section tensile tests can provide more abundant data points, which is helpful for more accurately evaluating the tensile performance of the cable, compared with respectively performing tensile tests on each section of the cable, multiple section tensile tests can complete tests on multiple parts in one test, thereby saving test time and cost and improving test efficiency.
[0016] 2、The cable tensile strength testing device can detect the moving distance of the moving block through the range finder and the range board, so that the tensile length of the cable is conveniently obtained, the breaking elongation of the cable is conveniently calculated, a plurality of breaking elongations can be obtained through multi-stage stretching, the more accurate breaking elongation of the cable can be obtained through analysis and comparison, the protective glass door is closed when the device is tested, so that the cable breaking moment can be avoided, and the surrounding observers can be accidentally injured, so that the safety of the observers is ensured, and the safety of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall structure schematic diagram of the utility model;
[0018] Figure 2 It is the rear end structure schematic diagram of the utility model;
[0019] Figure 3 It is the internal structure schematic diagram of the equipment shell of the utility model;
[0020] Figure 4 It is the rear end structure schematic diagram of the equipment shell of the utility model;
[0021] Figure 5 It is the connecting rod structure schematic diagram of the utility model.
[0022] BRIEF DESCRIPTION OF DRAWINGS: 1, equipment shell;2, upper fixed shaft;3, fixed plate;4, connecting plate;5, No. 1 pressure cylinder;6, lower fixed shaft;7, No. 2 pressure cylinder;8, pressure sensor;9, moving block;10, connecting rod;11, clamping head;12, door frame;13, protective glass door;14, control box;15, range finder;16, range board;17, sliding groove;18, fixed clamp;19, connecting block;20, No. 3 pressure cylinder;21, moving clamp;22, No. 4 pressure cylinder;23, protective shell;24, support frame. DETAILED DESCRIPTION
[0023] The utility model will be further described in combination with the drawings.
[0024] Please refer to Figure 1 , including equipment shell 1, equipment shell 1 front end is provided with door frame 12, door frame 12 is provided with protective glass door 13 in, door frame 12 is used to support protective glass door 13, protective glass door 13 can slide in door frame 12, protective glass door 13 outer end is connected with handle, protective glass door 13 is used to when the moment of cable breaking, avoid its accidental injury surrounding observer, door frame 12 front end is provided with control box 14, control box 14 is provided with display screen in, control box 14 is used to control the operation of device, various numerical values will be shown on display screen.
[0025] Please refer againFigure 3 The equipment housing 1 is equipped with multiple upper fixed shafts 2 and multiple lower fixed shafts 6. The upper fixed shafts 2 are located above the lower fixed shafts 6. The cables are interlaced and wound around the outer ends of the upper fixed shafts 2 and lower fixed shafts 6, which can divide a single cable into multiple segments. Each cable segment between the upper fixed shafts 2 and lower fixed shafts 6 can undergo a tensile test. A fixed plate 3 is slidably connected to the outer end of the upper fixed shaft 2. A connecting plate 4 is connected to the side end of the fixed plate 3. A pressure cylinder 5 is connected inside the equipment housing 1. The inner side of the fixed plate 3 has anti-slip grooves. The driving end of the pressure cylinder 5 is connected to the connecting plate 4. The pressure cylinder 5 can drive the connecting plate 4 to move, so that the fixed plate 3 and the upper fixed shafts 2 can cooperate to clamp and fix the cables inside them, thereby ensuring that one end of each cable segment will not move.
[0026] Please refer to it again. Figure 4 , Figure 5 The rear end of the equipment housing 1 is connected to a second pressure cylinder 7. The lower end of the second pressure cylinder 7 is connected to a pressure sensor 8. The lower end of the pressure sensor 8 is connected to a moving block 9. The side end of the moving block 9 is connected to a connecting rod 10. The side end of the connecting rod 10 is connected to a clamping head 11. The moving block 9 is used to support and fix the connecting rod 10. A sliding groove 17 is opened inside the equipment housing 1. The connecting rod 10 is slidably connected in the sliding groove 17. When the second pressure cylinder 7 is activated, it can push the pressure sensor 8, the moving block 9, and the connecting rod 10 to move, thereby providing a tensile force to the cable through the clamping head 11.
[0027] Please refer to it again. Figure 4 The lower end of the moving block 9 is connected to a rangefinder 15, and the rear end of the device housing 1 is connected to a rangefinder plate 16. The rangefinder 15 is a laser rangefinder, which projects a laser onto the rangefinder plate 16. The rangefinder 15 can detect the moving distance of the moving block 9, thereby facilitating the determination of the cable's elongation at break and the calculation of the cable's elongation at break.
[0028] Please refer to it again. Figure 5 The clamping head 11 includes a fixed clamp 18, which is connected to the connecting rod 10. A connecting block 19 is connected to the side end of the fixed clamp 18, and a third pressure cylinder 20 is connected to the side end of the connecting block 19. A movable clamp 21 is connected to the driving end of the third pressure cylinder 20. The cable is located between the fixed clamp 18 and the movable clamp 21. When the third pressure cylinder 20 is activated, it will push the movable clamp 21 to move, thus cooperating with the fixed clamp 18 to clamp and fix the cable between them. When the second pressure cylinder 7 is activated, the cable can be pulled. Anti-slip grooves are provided on the side ends of both the fixed clamp 18 and the movable clamp 21 to prevent the cable from sliding relative to the fixed clamp 18 and the movable clamp 21, thereby ensuring the accuracy of the test.
[0029] Please refer to it again. Figure 3The fourth pressing cylinder 22 is connected in the equipment shell 1, the moving clamp 21 is connected to the driving end of the fourth pressing cylinder 22, the fixed clamp 18 is arranged at the lower end of the moving clamp 21, the fourth pressing cylinder 22 is used for clamping and fixing the two ends of the cable, the protective shell 23 is connected to the rear end of the equipment shell 1, the second pressing cylinder 7, the pressure sensor 8, the distance measurer 15 and the distance measuring plate 16 are all located in the protective shell 23, the support frames 24 are connected to the two sides of the equipment shell 1, the support frames 24 are used for supporting the equipment shell 1, and the equipment shell 1 is avoided from shaking during testing.
[0030] The first pressing cylinder 5, the second pressing cylinder 7, the third pressing cylinder 20, the fourth pressing cylinder 22 and the distance measurer 15 in the application are common electrical equipment in the prior art, and the type or internal structure of the electrical equipment will not be excessively described in the application, and the electrical equipment can also be replaced by other power sources.
[0031] The technical principle of the utility model is described above in combination with specific embodiments. The description is only for explaining the principle of the utility model, and cannot be interpreted as limiting the protection scope of the utility model in any way. Based on the explanation herein, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the claims of the utility model.
Claims
1. A cable tensile strength testing apparatus comprising an apparatus housing (1), characterised in that: The device shell (1) is provided with a plurality of upper fixed shafts (2), the outer end of the upper fixed shaft (2) is slidably connected with a fixed plate (3), the side end of the fixed plate (3) is connected with a connecting plate (4), a first pressure cylinder (5) is connected in the device shell (1), a plurality of lower fixed shafts (6) are connected in the device shell (1), a second pressure cylinder (7) is connected at the rear end of the device shell (1), a pressure sensor (8) is connected at the lower end of the second pressure cylinder (7), a moving block (9) is connected at the lower end of the pressure sensor (8), a connecting rod (10) is connected at the side end of the moving block (9), and a clamping head (11) is connected at the side end of the connecting rod (10).
2. The cable tensile strength testing apparatus of claim 1, wherein: The front end of the device shell (1) is provided with a door frame (12), the door frame (12) is provided with a protective glass door (13), the outer end of the protective glass door (13) is connected with a handle, the front end of the door frame (12) is provided with a control box (14), and the control box (14) is provided with a display screen.
3. The cable tensile strength testing apparatus of claim 1, wherein: The upper fixed shaft (2) is located at the upper end of the lower fixed shaft (6), and the cables are alternately wound at the outer ends of the upper fixed shaft (2) and the lower fixed shaft (6), the inner side of the fixed plate (3) is provided with an anti-skid tooth groove, and the driving end of the first pressure cylinder (5) is connected with the connecting plate (4).
4. The cable tensile strength testing apparatus of claim 1, wherein: The lower end of the moving block (9) is connected with a range finder (15), the rear end of the device shell (1) is connected with a ranging plate (16), the range finder (15) is a laser range finder, which emits laser on the ranging plate (16), and the device shell (1) is provided with a sliding groove (17), and the connecting rod (10) is slidably connected in the sliding groove (17).
5. The cable tensile strength testing apparatus of claim 1, wherein: The clamping head (11) comprises a fixed clamp (18), the fixed clamp (18) is connected with the connecting rod (10), the side end of the fixed clamp (18) is connected with a connecting block (19), and the side end of the connecting block (19) is connected with a third pressure cylinder (20).
6. The cable tensile strength testing apparatus of claim 5, wherein: The driving end of the third pressure cylinder (20) is connected with a moving clamp (21), the cables are located between the fixed clamp (18) and the moving clamp (21), the side end of the fixed clamp (18) and the moving clamp (21) is provided with an anti-skid tooth groove, a fourth pressure cylinder (22) is connected in the device shell (1), the driving end of the fourth pressure cylinder (22) is connected with the moving clamp (21), and the lower end of the moving clamp (21) is provided with the fixed clamp (18).
7. The cable tensile strength testing apparatus of claim 4, wherein: The rear end of the device shell (1) is connected with a protective shell (23), the second pressure cylinder (7), the pressure sensor (8), the range finder (15) and the ranging plate (16) are located in the protective shell (23), and the device shell (1) is connected with a support frame (24) on both sides.