Cable tension testing machine

Abstract

The utility model discloses a cable tension testing machine, and relates to the field of cable tension testing. The device comprises a test bench, four corners of the bottom of the test bench are fixedly connected with supporting legs, the top of the test bench is fixedly connected with a placing bench, two sides of the top of the test bench are fixedly provided with supporting frames, the top of the placing bench is provided with clamping blocks, and a connecting plate is fixedly connected between the two clamping blocks. One side of the connecting plate is fixedly connected with a pressure sensor; a driving assembly is arranged in the containing table and comprises a partition plate. The double-shaft motor rotates to drive the first transmission part and the second transmission part to rotate at the same time, through transmission of the first transmission part, the clamping block is finally driven to move, a tension test is conducted on a cable clamped by the clamping block, through transmission of the second transmission part, the protection cover is finally driven to move, and the protection cover protects the cable in the tension test. Therefore, the purpose of testing and protecting at the same time is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of cable tension testing, in particular to a cable tension testing machine. Background Art

[0002] Cable tensile testing machine is a device used to test the tensile properties of cables or conductor materials. Its main function is to measure parameters such as deformation, breaking strength and elongation of cables under tension, so as to evaluate the quality and performance of cables.

[0003] The cable tensile testing machine can be used to detect the tensile properties of the cable and determine whether it can withstand sufficient tension without being damaged in actual use, thereby ensuring the safety and reliability of the cable. This type of testing machine is widely used in the fields of electricity, communications, transportation, etc.

[0004] Most cable tension testing machines in the prior art are not equipped with protective measures. Although cable tension testing is relatively safe, it may break and hit people, so there are still certain safety hazards. To this end, we provide a cable tension testing machine to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a cable tension testing machine, which solves the problem of certain safety hazards in the cable tension testing machine in the prior art through the cooperation of a driving component and a protection component.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a cable tension testing machine, comprising a test bench, wherein the four corners of the bottom of the test bench are fixedly connected to support legs, the top of the test bench is fixedly connected to a placement table, support frames are fixedly installed on both sides of the top of the test bench, a clamping block is provided on the top of the placement table, a connecting plate is fixedly connected between the two clamping blocks, a pressure sensor is fixedly connected to one side of the connecting plate, a driving component is provided inside the placement table, the driving component comprises a partition, a dual-axis motor is fixedly connected inside the partition, the output end of the dual-axis motor is fixedly connected to a rotating shaft, the free end of the rotating shaft is rotatably connected to the inner wall of the placement table through a bearing, and one side of the surface of the rotating shaft A transmission part 1 is provided, and a transmission part 2 is provided on the other side of the rotating shaft surface. The front and rear sides of the inner cavity of the placement table are rotatably connected to the lead screw through bearings, and the surface of the lead screw is threadedly connected to a movable plate. The top of the movable plate is fixedly connected to a connecting block, and the top of the connecting block extends to the outside of the placement table and is fixed to the bottom of the clamping block. A protective component is provided on the top of the placement table, and the protective component includes a protective shell, which is provided on the top of the placement table, and a protective cover is provided at the bottom of the protective shell. The top of the protective cover extends to the inside of the protective shell and is fixedly connected to a slide, and the top of the slide is fixedly connected to a spring, and the top of the spring is fixedly connected to the inner wall of the protective shell.

[0008] The utility model is further configured such that the transmission member includes a first pulley, a second pulley and a connecting belt, the first pulley is fixedly connected to one side of the rotating shaft surface, the second pulley is fixedly connected to one side of the screw surface, and the connecting belt is transmission connected to the surfaces of the first pulley and the second pulley.

[0009] The utility model is further configured as follows: the second transmission component includes a first bevel gear, a second bevel gear, a screw and a connecting block; the first bevel gear is fixedly connected to the other side of the screw surface; the second bevel gear is meshed with the top of the first bevel gear; the screw is fixedly connected to the top of the second bevel gear; the top of the screw extends to the outside of the placement table and is movably connected to a reinforcement block through a bearing; one side of the reinforcement block is fixedly connected to the support frame; the connecting block is threadedly connected to the top of the screw surface; and one side of the connecting block is fixedly connected to the protective shell.

[0010] The utility model is further configured such that a cylinder is fixedly connected to the top of the clamping block, a bottom of the cylinder extends into the interior of the clamping block and is fixedly connected to a clamping pad, and anti-slip grooves are provided on one side of the clamping pad.

[0011] The present invention is further configured such that the front and rear sides of the inner cavity of the placement table are fixedly connected with guide plates, and both ends of the movable plate are slidably connected to the guide plates.

[0012] The present invention is further configured such that a guide rod is fixedly connected to the bottom of the reinforcement block, the bottom of the guide rod is fixedly connected to the top of the placement table, and the connection block is slidably connected to the surface of the guide rod.

[0013] The utility model is further configured such that the pressure sensor adopts Omega's PX series, specifically model PX303-500GV, and one end of the pressure sensor is fixed to the top of the placement table through a mounting block.

[0014] The utility model has the following beneficial effects: through the rotation of the dual-axis motor, the transmission member 1 and the transmission member 2 are driven to rotate at the same time, and through the transmission of the transmission member 1, the clamping block is finally driven to move, and the cable clamped by the clamping block is subjected to a tensile test, and through the transmission of the transmission member 2, the protective cover is finally driven to move, so that the protective cover protects the cable in the tensile test, thereby achieving the purpose of testing and protecting at the same time.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0017] Figure 1 It is an overall three-dimensional schematic diagram of a cable tension testing machine;

[0018] Figure 2 It is a partial three-dimensional schematic diagram of a cable tension testing machine;

[0019] Figure 3 This is a schematic diagram of the internal structure of a placement table in a cable tension testing machine;

[0020] Figure 4 A cable tensile testing machine Figure 3 A is an enlarged schematic diagram;

[0021] Figure 5 A cable tensile testing machine Figure 3 A magnified schematic diagram of middle B;

[0022] Figure 6 A schematic cross-sectional view of a protective shell in a cable tension testing machine;

[0023] Figure 7 This is a schematic cross-sectional view of a clamping block in a cable tension testing machine.

[0024] In the accompanying drawings: 1. test bench; 2. placement table; 3. support frame; 4. clamping block; 5. connecting plate; 6. pressure sensor; 7. partition; 8. dual-axis motor; 9. rotating shaft; 10. screw; 11. moving plate; 12. protective shell; 13. protective cover; 14. skateboard; 15. spring; 16. first pulley; 17. second pulley; 18. connecting belt; 19. first bevel gear; 20. second bevel gear; 21. screw; 22. connecting block; 23. cylinder; 24. clamping pad; 25. guide plate; 26. guide rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] For specific embodiment 1, please refer to Figure 1-7 The utility model is a cable tension testing machine, including a test table 1, the four corners of the bottom of the test table 1 are fixedly connected to the support legs, the top of the test table 1 is fixedly connected to the placement table 2, the two sides of the top of the test table 1 are fixedly installed with support frames 3, a clamping block 4 is provided on the top of the placement table 2, a connecting plate 5 is fixedly connected between the two clamping blocks 4, a pressure sensor 6 is fixedly connected to one side of the connecting plate 5, a driving component is provided inside the placement table 2, the driving component includes a partition 7, a dual-axis motor 8 is fixedly connected inside the partition 7, the output end of the dual-axis motor 8 is fixedly connected to a rotating shaft 9, the free end of the rotating shaft 9 is rotatably connected to the inner wall of the placement table 2 through a bearing, and a transmission member is provided on one side of the surface of the rotating shaft 9. A second transmission part is provided on the other side of the surface of the rotating shaft 9. The front and rear sides of the inner cavity of the placement table 2 are rotatably connected to the lead screw 10 through bearings. The surface of the lead screw 10 is threadedly connected to a movable plate 11. The top of the movable plate 11 is fixedly connected to a connecting block. The top of the connecting block extends to the outside of the placement table 2 and is fixed to the bottom of the clamping block 4. A protective component is provided on the top of the placement table 2. The protective component includes a protective shell 12. The protective shell 12 is provided on the top of the placement table 2. A protective cover 13 is provided at the bottom of the protective shell 12. The top of the protective cover 13 extends to the inside of the protective shell 12 and is fixedly connected to a slide plate 14. The top of the slide plate 14 is fixedly connected to a spring 15. The top of the spring 15 is fixedly connected to the inner wall of the protective shell 12.

[0027] Specifically: there are four clamping blocks 4, which are divided into two groups, and can perform tension tests on two groups of cables at the same time. Through the setting of the connecting plate 5, it can be conveniently used with the pressure sensor 6. The end of the rotating shaft 9 away from the dual-axis motor 8 is rotatably connected to the inner wall of the placement table 2 through the bearing seat. There are two lead screws 10, so as to facilitate the use with two groups of clamping blocks 4. Through the setting of the connecting block, the clamping block 4 can be easily driven to move. The inside of the protective shell 12 is fixedly connected with a spring 15. Through the setting of the spring 15, the protective cover 13 can be easily moved up and down inside the protective shell 12, avoiding the situation where the clamping block 4 moves while the protective cover 13 cannot move, and avoiding the situation of jamming. Through the setting of the spring 15, the jamming situation is flexibly solved, thereby achieving the purpose of both tension testing and protection.

[0028] For specific embodiment 2, please refer to Figure 1-7 On the basis of the specific embodiment one, the transmission member one includes a first pulley 16, a second pulley 17 and a connecting belt 18. The first pulley 16 is fixedly connected to one side of the surface of the rotating shaft 9, and the second pulley 17 is fixedly connected to one side of the surface of the screw 10. The connecting belt 18 is transmission-connected to the surfaces of the first pulley 16 and the second pulley 17. The transmission member two includes a first bevel gear 19, a second bevel gear 20, a screw 21 and a connecting block 22. The first bevel gear 19 is fixedly connected to the other side of the surface of the screw 10, the second bevel gear 20 is meshed with the top of the first bevel gear 19, the screw 21 is fixedly connected to the top of the second bevel gear 20, the top of the screw 21 extends to the outside of the placement table 2 and is movably connected to a reinforcement block through a bearing, and one side of the reinforcement block is fixed to the support frame 3 Fixed connection, the connecting block 22 is threadedly connected to the top of the screw rod 21 surface, one side of the connecting block 22 is fixedly connected to the protective shell 12, the top of the clamping block 4 is fixedly connected to the cylinder 23, the bottom of the cylinder 23 extends to the inside of the clamping block 4 and is fixedly connected to the clamping pad 24, and the clamping pad 24 has anti-slip grooves on one side. The front and rear sides of the inner cavity of the placement table 2 are fixedly connected to the guide plates 25, and both ends of the movable plate 11 are slidingly connected to the guide plates 25. The bottom of the reinforcement block is fixedly connected to the guide rod 26, and the bottom of the guide rod 26 is fixedly connected to the top of the placement table 2. The connecting block 22 is slidably connected to the surface of the guide rod 26. The pressure sensor 6 adopts Omega's PX series, the specific model is PX303-500GV, and one end of the pressure sensor 6 is fixed to the top of the placement table 2 through the mounting block.

[0029] Specifically: through the setting of the connecting belt 18, the driving force of the rotating shaft 9 can be transmitted to the screw 10, so as to drive the screw 10 to rotate; through the setting of the first bevel gear 19, the second bevel gear 20, the screw 21 and the connecting block 22, the protective shell 12 and the protective cover 13 can be driven to move, so as to achieve the purpose of protection; through the setting of the cylinder 23 and the clamping pad 24, the cable can be quickly fixed to facilitate tensile testing; through the setting of the guide plate 25, the movable plate 11 can be limited to ensure the stability of the movable plate 11 during horizontal movement.

[0030] The working principle of the utility model is as follows: first, the two ends of the cable to be tensile tested are inserted into the interior of the support frame 3, and then the cylinder 23 is started by the external controller, and the cylinder 23 drives the clamping pad 24 to move, and the clamping pad 24 clamps and fixes the two ends of the cable, and then the dual-axis motor 8 is started by operating the external controller, and the dual-axis motor 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the first pulley 16 to rotate, and the first pulley 16 drives the second pulley 17 to rotate through the connecting belt 18, and the second pulley 17 drives the lead screw 10 to rotate, and the lead screw 10 drives the moving plate 11 to move, and the moving plate 11 drives the connecting block to move, and the connecting block drives the clamping block 4 to move, and the clamping block 4 drives the connecting plate 5 and the cable to move, and the connecting plate 5 moves to squeeze the pressure sensor 6, and the pressure sensor 6 detects the tension on the cable, thereby completing the purpose of the cable tension test;

[0031] In the process of driving the first pulley 16 to rotate, the rotating shaft 9 will also drive the first bevel gear 19 to rotate, the first bevel gear 19 will drive the second bevel gear 20 to rotate, the second bevel gear 20 will drive the screw 21 to rotate, the screw 21 will drive the connecting block 22 to move, the connecting block 22 will drive the protective shell 12 to move, the protective shell 12 will drive the protective cover 13 to move, and the protective cover 13 will protect the cable under test, thereby improving the safety of the cable test.

[0032] The standard parts used in the present invention can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatically controlled by a control unit. The control circuit of the control unit can be implemented by simple programming by technicians in this field, which is common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0033] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can better understand and utilize the present invention.

Claims

1. A cable tension testing machine, comprising a test bench (1), characterized in that: The four corners of the bottom of the test bench (1) are fixedly connected with supporting legs, the top of the test bench (1) is fixedly connected with a placing table (2), and support frames (3) are fixedly installed on both sides of the top of the test bench (1). A clamping block (4) is provided on the top of the placing table (2), and a connecting plate (5) is fixedly connected between the two clamping blocks (4). A pressure sensor (6) is fixedly connected to one side of the connecting plate (5). A driving component is provided inside the placing table (2), and the driving component includes a partition (7). A dual-axis motor (8) is fixedly connected inside the partition (7). The output end of the dual-axis motor (8) is fixedly connected to a rotating shaft (9). The free end of the rotating shaft (9) is rotatably connected to the inner wall of the placing table (2) through a bearing. A transmission member 1 is provided on one side of the surface of the rotating shaft (9), and a transmission member 1 is provided on the other side of the surface of the rotating shaft (9). A second transmission part is provided, and the front and rear sides of the inner cavity of the placement table (2) are both rotatably connected to a lead screw (10) through bearings, and the surface of the lead screw (10) is threadedly connected to a movable plate (11), and the top of the movable plate (11) is fixedly connected to a connecting block, and the top of the connecting block extends to the outside of the placement table (2) and is fixed to the bottom of the clamping block (4), and the top of the placement table (2) is provided with a protection component, and the protection component includes a protection shell (12), and the protection shell (12) is provided at the top of the placement table (2), and the bottom of the protection shell (12) is provided with a protection cover (13), and the top of the protection cover (13) extends to the inside of the protection shell (12) and is fixedly connected to a slide plate (14), and the top of the slide plate (14) is fixedly connected to a spring (15), and the top of the spring (15) is fixedly connected to the inner wall of the protection shell (12).

2. A cable tension testing machine according to claim 1, characterized in that: The transmission member 1 includes a first pulley (16), a second pulley (17) and a connecting belt (18), wherein the first pulley (16) is fixedly connected to one side of the surface of the rotating shaft (9), the second pulley (17) is fixedly connected to one side of the surface of the lead screw (10), and the connecting belt (18) is transmission-connected to the surfaces of the first pulley (16) and the second pulley (17).

3. A cable tension testing machine according to claim 1, characterized in that: The second transmission member includes a first bevel gear (19), a second bevel gear (20), a screw (21) and a connecting block (22), wherein the first bevel gear (19) is fixedly connected to the other side of the surface of the lead screw (10), the second bevel gear (20) is meshed with the top of the first bevel gear (19), the screw (21) is fixedly connected to the top of the second bevel gear (20), the top of the screw (21) extends to the outside of the placement table (2) and is movably connected to a reinforcement block through a bearing, one side of the reinforcement block is fixedly connected to the support frame (3), the connecting block (22) is threadedly connected to the top of the surface of the screw (21), and one side of the connecting block (22) is fixedly connected to the protective shell (12).

4. A cable tension testing machine according to claim 1, characterized in that: The top of the clamping block (4) is fixedly connected to a cylinder (23), the bottom of the cylinder (23) extends into the interior of the clamping block (4) and is fixedly connected to a clamping pad (24), and one side of the clamping pad (24) is provided with anti-slip grooves.

5. The cable tension testing machine according to claim 1, characterized in that: The front and rear sides of the inner cavity of the placement platform (2) are fixedly connected to guide plates (25), and both ends of the movable plate (11) are slidably connected to the guide plates (25).

6. A cable tension testing machine according to claim 3, characterized in that: The bottom of the reinforcement block is fixedly connected to a guide rod (26), the bottom of the guide rod (26) is fixedly connected to the top of the placement table (2), and the connection block (22) is slidably connected to the surface of the guide rod (26).

7. A cable tension testing machine according to claim 1, characterized in that: The pressure sensor (6) adopts Omega's PX series, specifically the model PX303-500GV. One end of the pressure sensor (6) is fixed to the top of the placement table (2) through a mounting block.

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