A cable force radar testing device suitable for railway bridges

Abstract

The utility model provides a kind of cable force radar testing device suitable for railway bridge, it is related to cable force test technical field, including support frame, the support frame is equipped with sliding structure, sliding structure and support frame are equipped with mounting structure and press down fixed structure on, mounting structure and press down fixed structure correspond, railway bridge cable between two mounting structures is equipped with, the bottom of support frame is equipped with pull structure, pull structure is equipped with test structure, pull structure and railway bridge cable correspond, support frame side is equipped with driving structure, driving structure and sliding structure correspond.In the utility model, the two ends of any length railway bridge cable can be pulled, so that the device is more flexible to use, expand the scope of application of device, and also can be pulled by sliding structure, so as to play better test effect.

Description

Technical Field

[0001] This utility model relates to the field of cable force testing technology, specifically a cable force radar testing device suitable for railway bridges. Background Technology

[0002] Before constructing the cables for railway bridges, it is usually necessary to test them. Vibration signals of the steel wires are obtained through radar signals, and the frequency of the steel wires is analyzed. Then, the cable force is calculated using a formula. Most existing laboratories use tensile testing machines to cut the cables into sections for tension testing. However, this testing method can only test the two ends of the cable, and the length of the cable section is usually uncertain, which affects the actual testing experience and thus the accuracy of the test results.

[0003] Therefore, this utility model provides a cable force radar testing device suitable for railway bridges. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a cable tension radar testing device suitable for railway bridges, thereby solving the problems mentioned in the background section. This invention can pull both ends of railway bridge cables of any length, making the device more flexible to use and expanding its applicability. Furthermore, it can also be pulled through a sliding structure, thus achieving better testing results. It can ensure the accuracy of test results and prevent large errors in the test results.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a cable force radar testing device suitable for railway bridges, comprising a support frame, a sliding structure installed inside the support frame, an installation structure and a pressing and fixing structure installed on both the sliding structure and the support frame, the installation structure corresponding to the pressing and fixing structure, a railway bridge cable installed between the two installation structures, a pulling structure installed at the bottom inside the support frame, a testing structure installed on the pulling structure, the pulling structure corresponding to the railway bridge cable, and a driving structure installed on one side of the support frame, the driving structure corresponding to the sliding structure.

[0006] Furthermore, the sliding structure includes a first sliding frame, a slide rail fixed inside the support frame, a screw rotatably fitted inside the slide rail, the slide rail corresponding to the first sliding frame, the screw threadedly fitted to the first sliding frame, and the screw corresponding to the driving structure.

[0007] Furthermore, the drive structure includes a motor, which is fixed to one side of the support frame. A first gear is fixed to the output end of the motor, and a second gear is fixed to the end of the screw. The first gear and the second gear mesh with each other.

[0008] Furthermore, the installation structure includes two fixed frames, which are respectively fixedly connected to the support frame and the first sliding frame. Fixed rods are fixed on the fixed frames, and the fixed rods correspond to the railway bridge cables.

[0009] Furthermore, the pressing and fixing structure includes two first electric cylinders, a stabilizing frame is fixed on the first sliding frame, the stabilizing frame is slidably connected to the support frame, the two first electric cylinders are respectively fixedly connected to the stabilizing frame and the support frame, the output end of the first electric cylinder is fixed to a pressing frame, and the pressing frame is slidably connected to the fixing rod.

[0010] Furthermore, a sliding groove is provided at the bottom of the support frame, an electric slide rail is fixed in the sliding groove, a second sliding frame is fixed at the output end of the electric slide rail, the second sliding frame corresponds to the sliding groove, and the pulling structure includes a third electric cylinder fixed on the second sliding frame, a pull rope is fixed at the output end of the third electric cylinder, a movable sleeve is fixed at the end of the pull rope, the movable sleeve corresponds to the railway bridge cable, and a pressure sensor is fixed in the movable sleeve.

[0011] Furthermore, the test structure includes a test radar fixed to a second sliding frame.

[0012] The beneficial effects of this utility model are:

[0013] 1. A sliding structure is installed inside the support frame, and an installation structure and a pressing and fixing structure are set on the sliding structure and the support frame. This allows the device to pull both ends of railway bridge cables of any length, making the device more flexible to use and expanding its application range. Furthermore, the sliding structure can be used for traction, thus achieving better testing results.

[0014] 2. Install a pulling structure at the bottom inside the support frame, and install a test structure on the pulling structure. This allows a downward pulling force to be applied to the middle of the railway bridge cable in addition to the left and right pulling, thereby ensuring the accuracy of the test results and preventing large errors in the test results. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall assembly three-dimensional structure of a cable force radar testing device suitable for railway bridges according to the present invention.

[0016] Figure 2 This is a schematic diagram of the assembly structure of the support frame and the first sliding frame in a cable force radar testing device for railway bridges according to the present invention.

[0017] Figure 3 This is a schematic diagram of the overall assembly cross-sectional structure of a cable force radar testing device suitable for railway bridges according to the present invention.

[0018] Figure 4 for Figure 3 A schematic diagram at point A in the middle;

[0019] Figure 5 This is a schematic diagram of the assembly structure of the support frame and screw in a cable force radar testing device for railway bridges according to this utility model;

[0020] Figure 6 This is a schematic diagram of the assembly structure of railway bridge cables, fixing frames, and movable sleeves in a cable force radar testing device applicable to railway bridges according to this utility model;

[0021] In the diagram: 1. Support frame; 2. First sliding frame; 3. Slide rail; 4. Screw; 5. First gear; 6. Second gear; 7. Motor; 8. Fixed frame; 9. Fixed rod; 10. Railway bridge cable; 11. First electric cylinder; 12. Lower pressure frame; 14. Stabilizer; 15. Sliding groove; 16. Electric slide rail; 17. Third electric cylinder; 18. Pull rope; 19. Movable sleeve; 20. Pressure sensor; 21. Test radar; 22. Second sliding frame. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Please see Figures 1 to 6 This utility model provides a technical solution: a cable force radar testing device suitable for railway bridges, including a support frame 1. The support frame 1 is equipped with a sliding structure. Both the sliding structure and the support frame 1 are equipped with an installation structure and a pressing and fixing structure. The installation structure corresponds to the pressing and fixing structure. A railway bridge cable 10 is installed between the two installation structures. A pulling structure is installed at the bottom of the support frame 1. A testing structure is installed on the pulling structure. The pulling structure corresponds to the railway bridge cable 10. A driving structure is installed on one side of the support frame 1. The driving structure corresponds to the sliding structure.

[0024] In this embodiment, the sliding structure includes a first sliding frame 2, a slide rail 3 fixed inside the support frame 1, a screw 4 rotatably fitted inside the slide rail 3, the slide rail 3 corresponding to the first sliding frame 2, the screw 4 threadedly fitted to the first sliding frame 2, and the screw 4 corresponding to the drive structure. The drive structure includes a motor 7, the motor 7 fixed to one side of the support frame 1, a first gear 5 fixed to the output end of the motor 7, and a second gear 6 fixed to the end of the screw 4. The first gear 5 and the second gear 6 mesh with each other.

[0025] Specifically, when it is necessary to move the first sliding frame 2, the motor 7 is started, which drives the first gear 5 to rotate. The first gear 5 meshes with the second gear 6 and rotates, causing the second gear 6 to drive the screw 4 to rotate. At this time, the first sliding frame 2 is limited by the slide rail 3, so that the first sliding frame 2 slides under the action of the screw 4, thereby realizing the adjustment of the position of the first sliding frame 2. This makes the first sliding frame 2 suitable for railway bridge cables 10 of different lengths. After the railway bridge cable 10 is installed, it can also be pulled by sliding the first sliding frame 2, thereby achieving a better testing effect.

[0026] The installation structure includes two fixed frames 8, which are fixedly connected to the support frame 1 and the first sliding frame 2 respectively. Fixed rods 9 are fixed on the fixed frames 8, and the fixed rods 9 correspond to the railway bridge cables 10.

[0027] Specifically, by wrapping both ends of the railway bridge cable 10 around the fixed rod 9, the railway bridge cable 10 can be pulled by sliding the first sliding frame 2, thereby testing the railway bridge cable 10.

[0028] The pressing and fixing structure includes two first electric cylinders 11, a stabilizing frame 14 is fixed on the first sliding frame 2, the stabilizing frame 14 is slidably connected to the support frame 1, the two first electric cylinders 11 are fixedly connected to the stabilizing frame 14 and the support frame 1 respectively, and a pressing frame 12 is fixed to the output end of the first electric cylinder 11, the pressing frame 12 is slidably connected to the fixing rod 9.

[0029] Specifically, the two ends of the railway bridge cable 10 are wrapped around the fixed rod 9 respectively. Then, the first electric cylinder 11 is activated, causing the first electric cylinder 11 to drive the lower pressure frame 12 to slide downward. The lower pressure frame 12 then squeezes and fixes the railway bridge cable 10 wrapped around the fixed rod 9, ensuring the stability of the railway bridge cable 10. This ensures that the railway bridge cable 10 can be tested more stably, preventing the railway bridge cable 10 from falling off during pulling due to loosening, thus ensuring the accuracy of the test results.

[0030] The bottom of the support frame 1 is provided with a sliding groove 15, and an electric slide rail 16 is fixed in the sliding groove 15. The output end of the electric slide rail 16 is fixed with a second sliding frame 22, which corresponds to the sliding groove 15. The pulling structure includes a third electric cylinder 17 fixed on the second sliding frame 22. The output end of the third electric cylinder 17 is fixed with a pull rope 18, and the end of the pull rope 18 is fixed with a movable sleeve 19, which corresponds to the railway bridge cable 10. A pressure sensor 20 is fixed in the movable sleeve 19. The testing structure includes a testing radar 21 fixed on the second sliding frame 22.

[0031] Specifically, when testing is required, the movable sleeve 19 is placed on the railway bridge cable 10, and then the railway bridge cable 10 is straightened. The electric slide rail 16 drives the third electric cylinder 17 and the test radar 21 to slide, thereby adjusting the test position. Activating the third electric cylinder 17 pulls the cable 18, which in turn pulls the movable sleeve 19 downwards, thus applying a downward tension to the middle of the railway bridge cable 10. The pressure sensor 20 detects the magnitude of the applied pressure, and the test radar 21 performs the test, thereby achieving a good testing effect on the cable force.

[0032] Workflow: The movable sleeve 19 is fitted onto the railway bridge cable 10, and both ends of the railway bridge cable 10 are wound around the fixed rod 9. Then, the first electric cylinder 11 is activated, causing the lower pressure frame 12 to slide downwards. The lower pressure frame 12 then presses and fixes the railway bridge cable 10 wound around the fixed rod 9. Next, the motor 7 is activated, which drives the first gear 5 to rotate. The first gear 5 meshes with the second gear 6, causing the second gear 6 to drive the screw 4 to rotate. At this time, the first sliding frame 2 is limited by the slide rail 3, thus allowing... The first sliding frame 2 slides under the action of the screw 4, thereby adjusting the position of the first sliding frame 2. Pulling can be applied by sliding the first sliding frame 2, and then the electric slide rail 16 drives the third electric cylinder 17 and the test radar 21 to slide, thereby adjusting the test position. Activating the third electric cylinder 17 can pull the pull rope 18, thereby pulling the movable sleeve 19 downward, thus applying a downward pulling force to the middle of the railway bridge cable 10. The pressure sensor 20 detects the magnitude of the applied pressure, and the test radar 21 performs the test.

[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A cable force radar testing device suitable for railway bridges, comprising a support frame (1), characterized in that, The support frame (1) is equipped with a sliding structure. Both the sliding structure and the support frame (1) are equipped with an installation structure and a pressing and fixing structure. The installation structure corresponds to the pressing and fixing structure. A railway bridge cable (10) is installed between the two installation structures. A pulling structure is installed at the bottom of the support frame (1). A test structure is installed on the pulling structure. The pulling structure corresponds to the railway bridge cable (10). A driving structure is installed on one side of the support frame (1). The driving structure corresponds to the sliding structure.

2. The cable tension radar testing device for railway bridges according to claim 1, characterized in that: The sliding structure includes a first sliding frame (2), a slide rail (3) fixed inside the support frame (1), a screw (4) rotatably fitted inside the slide rail (3), the slide rail (3) corresponding to the first sliding frame (2), the screw (4) threadedly fitted to the first sliding frame (2), and the screw (4) corresponding to the driving structure.

3. The cable tension radar testing device for railway bridges according to claim 2, characterized in that: The drive structure includes a motor (7), which is fixed to one side of the support frame (1). A first gear (5) is fixed to the output end of the motor (7), and a second gear (6) is fixed to the end of the screw (4). The first gear (5) and the second gear (6) mesh with each other.

4. The cable tension radar testing device for railway bridges according to claim 2, characterized in that: The installation structure includes two fixed frames (8), which are fixedly connected to the support frame (1) and the first sliding frame (2) respectively. Fixed rods (9) are fixed on the fixed frames (8), and the fixed rods (9) correspond to the railway bridge cables (10).

5. A cable tension radar testing device for railway bridges according to claim 4, characterized in that: The pressing and fixing structure includes two first electric cylinders (11), a stabilizing frame (14) is fixed on the first sliding frame (2), the stabilizing frame (14) is slidably connected to the support frame (1), the two first electric cylinders (11) are fixedly connected to the stabilizing frame (14) and the support frame (1) respectively, and a pressing frame (12) is fixed at the output end of the first electric cylinder (11), and the pressing frame (12) is slidably connected to the fixing rod (9).

6. The cable tension radar testing device for railway bridges according to claim 1, characterized in that: The bottom of the support frame (1) is provided with a sliding groove (15), an electric slide rail (16) is fixed in the sliding groove (15), a second sliding frame (22) is fixed at the output end of the electric slide rail (16), the second sliding frame (22) corresponds to the sliding groove (15), the pulling structure includes a third electric cylinder (17) fixed on the second sliding frame (22), a pull rope (18) is fixed at the output end of the third electric cylinder (17), a movable sleeve (19) is fixed at the end of the pull rope (18), the movable sleeve (19) corresponds to the railway bridge cable (10), and a pressure sensor (20) is fixed in the movable sleeve (19).

7. A cable tension radar testing device for railway bridges according to claim 6, characterized in that: The test structure includes a test radar (21) fixed on a second sliding frame (22).

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