Railway vehicle bogie rigidity detection device
By designing an automated detection device including a traction motor, a winding roller and a pulling steel wire, the problem of manual push in the prior art is solved, efficient and accurate bogie stiffness detection is achieved, and work efficiency and detection accuracy are improved.
Patent Information
- Application Number
- CN202421495409.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing rail vehicle bogie stiffness detection device requires manual push when the traction vehicle body enters the detection position, which is inefficient and increases the labor intensity of the operators, and cannot meet the efficient and accurate inspection needs.
A detection device including a sound insulation chamber, a test bench, an adjustment mechanism, a gantry, a sliding groove, a pressurized table, a hydraulic cylinder, a mounting frame, a winding roller, a traction motor and a pulling wire is designed. The automatic bogie pulling function is realized through the combination of a traction motor, a winding roller and a pulling wire, replacing the traditional manual pushing method.
The automated bogie pulling function is realized, which improves work efficiency, reduces the labor intensity of the operators, and ensures the accurate placement of the bogie, improving the accuracy and reliability of the inspection.
Smart Images
Figure CN222951980U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection, in particular to a rail vehicle bogie stiffness detection device. Background Art
[0002] The current EMU bogie dynamic load test bench can reach a test speed of 450km / h, which is used for comprehensive dynamic performance tests of EMU bogies after 4 and 5 level overhaul assembly to confirm whether the assembly quality meets the specified requirements, replacing the traditional vehicle installation road test, and conducting comprehensive vibration and temperature rise tests on the bearing parts and motor parts of the bogie. The test is carried out at different operating speeds, which can reveal and discover the main assembly quality defects that may exist in the bogie, and can replace the bogie installation road test. The existing rail vehicle bogie stiffness detection device still needs to be manually pushed when the traction vehicle body enters the detection position. This method is inefficient and increases the labor intensity of the operator, and cannot meet the needs of efficient and accurate detection. Utility Model Content
[0003] Based on this, the purpose of the utility model is to provide a rail vehicle bogie stiffness detection device to solve the technical problem that manual pushing is still required when the traction vehicle body enters the detection position.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rail vehicle bogie stiffness detection device, comprising a soundproof chamber, a test bench is arranged inside the soundproof chamber, the test bench is connected to a gantry through an adjustment mechanism, a sliding groove is provided on the gantry, a pressurizing platform is slidably connected inside the sliding groove, a hydraulic cylinder is arranged between the pressurizing platform and the gantry, two hydraulic cylinders are provided, a mounting frame is arranged between the two hydraulic cylinders, a winding roller is rotatably connected to the mounting frame, a traction motor is fixedly connected to one side of the mounting frame, and a pulling wire is wound around the winding roller.
[0005] By adopting the above technical solution, using the combination of traction motor, winding roller and pulling wire, the automated bogie pulling function is realized, replacing the traditional manual pushing method, improving work efficiency and reducing the labor intensity of operators.
[0006] Furthermore, the adjustment mechanism includes a mounting groove, and a threaded rod is rotatably connected inside the mounting groove.
[0007] By adopting the above technical solution, through the combination of the mounting groove and the threaded rod, the adjustment mechanism can stably and accurately control the horizontal movement of the gantry, ensuring that the gantry can be accurately aligned with the bottom track.
[0008] Furthermore, an adjusting motor is fixedly connected to one side of the test bench, and an output end of the adjusting motor is rotatably connected to the threaded rod.
[0009] By adopting the above technical solution, the automatic and precise adjustment of the gantry position is achieved by adjusting the rotational connection between the motor and the threaded rod, thereby improving the usability and work efficiency of the equipment.
[0010] Furthermore, two adjusting mechanisms are provided, and the two adjusting mechanisms are arranged in a mirror image, and the threaded rods of the two adjusting mechanisms are threadedly connected to the bottom end of the gantry.
[0011] By adopting the above technical solution, by providing two adjustment mechanisms and arranging them in a mirror image, the weight and adjustment force of the gantry can be shared more evenly, making the horizontal movement of the gantry more stable and reliable.
[0012] Furthermore, the gantry is fixedly connected to the mounting frame, and the output end of the traction motor is fixedly connected to the winding roller.
[0013] By adopting the above technical solution, the fixed connection between the gantry and the mounting frame ensures the stability and rigidity of the structure, so that during the traction process, the mounting frame can be firmly fixed to prevent the mounting frame from falling and causing danger during traction.
[0014] Furthermore, two test benches and gantries are provided, and one side of one of the test benches is fixedly connected to a ramp.
[0015] By adopting the above technical solution and setting up two test benches and gantries, it is possible to implement simultaneous testing of two bogies, thereby improving the working efficiency of the testing device.
[0016] Furthermore, the top of the test bench is rotatably connected to a rotating column, and the top of the rotating column is connected to a camera via a ball joint.
[0017] By adopting the above technical solution, the rotating column connected to the top of the test bench can flexibly adjust the angle of the camera to better capture and monitor the testing process of the bogie.
[0018] Furthermore, the rotating columns and cameras are provided in two groups, and each group of the rotating columns and cameras is provided in plurality.
[0019] By adopting the above technical solution, by setting up two sets of rotating columns and cameras and monitoring the testing process of the bogie from different angles, a more comprehensive field of view coverage is provided.
[0020] Furthermore, the plurality of rotating columns and cameras are linearly and equidistantly arranged, and the cameras are electrically connected to an external controller.
[0021] By adopting the above technical solution, multiple rotating columns and cameras are arranged linearly and equidistantly, ensuring the uniform distribution of the monitoring field of view and avoiding monitoring blind spots, so that the testing process of the bogie can be captured and recorded more comprehensively.
[0022] In summary, the utility model mainly has the following beneficial effects:
[0023] 1. The utility model realizes the automatic bogie pulling function by setting a mounting frame, a winding roller, a traction motor and a pulling wire, thereby improving work efficiency and reducing the labor intensity of operators. The automatic pulling method can also ensure that the bogie is accurately placed under the test bench and the gantry, which provides convenience for subsequent pressure testing and monitoring, and improves the accuracy and reliability of the test;
[0024] 2. The utility model can conveniently adjust the position of the gantry by setting an adjustment mechanism to ensure that it can be accurately aligned with the bottom track, effectively deal with the deviation that may occur after long-term use, and ensure that the test device can always provide sufficient and accurate pressure, thereby improving the accuracy and reliability of the test;
[0025] 3. The utility model can flexibly adjust the position and angle of the camera by setting a rotating column, a ball joint and a camera to ensure that the camera can accurately aim at the position that needs to be monitored. The setting of multiple cameras provides a wide field of view, allowing testers to conduct real-time and comprehensive monitoring of the bogie, thereby ensuring the accuracy and safety of the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the cutaway structure of the soundproof room of the utility model;
[0027] Figure 2 It is a three-dimensional structural schematic diagram of the gantry and the mounting frame of the utility model;
[0028] Figure 3 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the utility model;
[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the second embodiment of the utility model.
[0030] In the figure: 1. Soundproof room; 2. Test bench; 3. Adjustment mechanism; 4. Gantry; 5. Sliding groove; 6. Pressurizing table; 7. Hydraulic cylinder; 8. Mounting frame; 9. Winding roller; 10. Traction motor; 11. Pulling wire; 12. Inclined table; 13. Rotating column; 14. Ball joint; 15. Camera. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0032] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0033] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0034] The following describes an embodiment of the utility model based on its overall structure.
[0035] Embodiment 1:
[0036] A rail vehicle bogie stiffness detection device, such as Figure 1-Figure 4 As shown, it includes a soundproof room 1, a test bench 2 is arranged inside the soundproof room 1, the test bench 2 is connected to a gantry 4 through an adjusting mechanism 3, a sliding groove 5 is opened on the gantry 4, a pressurizing platform 6 is slidably connected inside the sliding groove 5, a hydraulic cylinder 7 is arranged between the pressurizing platform 6 and the gantry 4, two hydraulic cylinders 7 are arranged, a mounting frame 8 is arranged between the two hydraulic cylinders 7, a winding roller 9 is rotatably connected to the mounting frame 8, a traction motor 10 is fixedly connected to one side of the mounting frame 8, a pulling wire 11 is wound around the winding roller 9, and the combination of the traction motor 10, the winding roller 9 and the pulling wire 11 is used to realize the automated bogie pulling function, which replaces the traditional manual pushing method, improves the work efficiency and reduces the labor intensity of the operator, and at the same time, through the setting of the soundproof room 1, the rail vehicle bogie stiffness detection device can effectively reduce the influence of external noise, and the cooperation of the hydraulic cylinder 7 and the pressurizing platform 6 can conveniently apply pressure to the bogie for stiffness testing.
[0037] See also Figure 3 The adjusting mechanism 3 includes a mounting groove 301, and the internal rotation of the mounting groove 301 is connected with a threaded rod 302. Through the combination of the mounting groove 301 and the threaded rod 302, the adjusting mechanism 3 can stably and accurately control the horizontal movement of the gantry 4, ensuring that the gantry 4 can be accurately aligned with the bottom track. At the same time, the threaded adjustment method has high mechanical efficiency and positioning accuracy, which can meet the accuracy requirements of the stiffness detection device and ensure that the pressurizing platform 6 can be accurately pressed onto the air spring of the bogie.
[0038] See also Figure 3 An adjusting motor 303 is fixedly connected to one side of the test bench 2, and the output end of the adjusting motor 303 is rotationally connected to the threaded rod 302. By rotating the adjusting motor 303 and the threaded rod 302, the position of the gantry 4 is automatically and precisely adjusted, which improves the usability and work efficiency of the equipment. At the same time, the motor drive method is more stable and reliable than manual adjustment, which reduces human operation errors, further ensures the accuracy of the alignment of the gantry 4 with the track, and provides a guarantee for subsequent stiffness testing.
[0039] See also Figure 3 There are two adjusting mechanisms 3, and the two adjusting mechanisms 3 are arranged in a mirror image. The threaded rods 302 of the two adjusting mechanisms 3 are threadedly connected to the bottom end of the gantry 4. By setting two adjusting mechanisms 3 and arranging them in a mirror image, the weight and adjustment force of the gantry 4 can be shared more evenly, so that the horizontal movement of the gantry 4 is more stable and reliable. At the same time, the threaded connection between the two threaded rods 302 and the bottom end of the gantry 4 further enhances the accuracy and stability of the adjustment, ensuring that the gantry 4 can maintain a stable posture during the adjustment process.
[0040] See also Figure 1 , Figure 2 and Figure 3 The gantry 4 is fixedly connected to the mounting frame 8, and the output end of the traction motor 10 is fixedly connected to the winding roller 9. The fixed connection between the gantry 4 and the mounting frame 8 ensures the stability and rigidity of the structure, so that during the traction process, the mounting frame 8 can be firmly fixed to prevent the mounting frame 8 from falling and causing danger during traction. At the same time, the fixed connection between the output end of the traction motor 10 and the winding roller 9 ensures that the pulling wire 11 can be stably and effectively retracted and released, thereby realizing the stable traction of the bogie and improving the automation degree and work efficiency of the entire detection device.
[0041] See also Figure 1 , Figure 2 and Figure 3There are two test benches 2 and gantries 4, one side of which is fixedly connected with an inclined platform 12. By setting up two test benches 2 and gantries 4, two bogies can be tested simultaneously, thereby improving the working efficiency of the testing device. At the same time, the inclined platform 12 fixedly connected to one side of one of the test benches 2 provides a convenient up and down passage for the bogie, reducing the difficulty of going up and down.
[0042] The implementation principle of the utility model is as follows: first, the pulling wire 11 is hung on the bogie to be tested, and then the traction motor 10 is started. The traction motor 10 pulls the bogie from the inclined plane 12 to the test bench 2 through the pulling wire 11. Then, the traction motor 10 continues to pull the bogie to the bottom of the gantry 4 through the pulling wire 11, and then the hydraulic cylinder 7 is started. The hydraulic cylinder 7 drives the pressurizing platform 6 to descend, and applies sufficient pressure to the bogie for testing;
[0043] When it is found that the gantry 4 cannot be aligned with the bottom track after long-term use, the adjustment motor 303 is started, and the adjustment motor 303 drives the threaded rod 302 to drive the gantry 4 to move horizontally to achieve alignment with the bottom track, ensuring that sufficiently accurate pressure can be provided to ensure the accuracy of the test.
[0044] Embodiment 2:
[0045] See also Figure 4 The top of the test bench 2 is rotatably connected to a rotating column 13, and the top of the rotating column 13 is connected to a camera 15 through a ball joint 14. The rotating column 13 rotatably connected to the top of the test bench 2 allows the angle of the camera 15 to be flexibly adjusted to better capture and monitor the test process of the bogie. At the same time, the camera 15 is connected through the ball joint 14, which further enhances the freedom of movement of the camera, and can realize all-round real-time monitoring of the bogie.
[0046] See also Figure 4 There are two groups of rotating columns 13 and cameras 15, and each group of rotating columns 13 and cameras 15 is provided with multiple. By setting two groups of rotating columns 13 and cameras 15 and monitoring the test process of the bogie from different angles, a more comprehensive field of view coverage is provided. At the same time, each group is provided with multiple rotating columns 13 and cameras 15, which ensures that the real-time status of the bogie can be captured from multiple positions, improves the meticulousness and accuracy of monitoring, and provides richer and more comprehensive information for subsequent data analysis and processing.
[0047] See also Figure 4, multiple rotating columns 13 and cameras 15 are arranged linearly and equidistantly, and the cameras 15 are electrically connected to an external controller. Multiple rotating columns 13 and cameras 15 are arranged linearly and equidistantly, ensuring a uniform distribution of the monitoring field of view and avoiding monitoring blind spots, so that the testing process of the bogie can be captured and recorded more comprehensively. At the same time, the electrical connection between the cameras 15 and the external controller enables the monitoring data to be transmitted and processed in a timely manner, thereby improving the efficiency and accuracy of data processing.
[0048] The implementation principle of the utility model is: first, when testing, the rotating column 13 and the ball joint 14 are rotated so that the camera 15 can be aimed at the required position, and at the same time, multiple cameras 15 can provide sufficient field of view to ensure real-time comprehensive monitoring of the bogie.
[0049] Parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here.
[0050] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. A rail vehicle bogie stiffness detection device, characterized in that: The invention comprises a soundproof room (1), wherein a test bench (2) is arranged inside the soundproof room (1), wherein the test bench (2) is connected to a gantry (4) via an adjusting mechanism (3), wherein a sliding groove (5) is provided on the gantry (4), wherein a pressurizing platform (6) is slidably connected inside the sliding groove (5), wherein a hydraulic cylinder (7) is arranged between the pressurizing platform (6) and the gantry (4), wherein two hydraulic cylinders (7) are arranged, wherein a mounting frame (8) is arranged between the two hydraulic cylinders (7), wherein a winding roller (9) is rotatably connected to the mounting frame (8), wherein a traction motor (10) is fixedly connected to one side of the mounting frame (8), and wherein a pulling steel wire (11) is wound around the winding roller (9).
2. The rail vehicle bogie stiffness detection device according to claim 1, characterized in that: The adjustment mechanism (3) comprises a mounting groove (301), and a threaded rod (302) is rotatably connected inside the mounting groove (301).
3. The rail vehicle bogie stiffness detection device according to claim 1, characterized in that: An adjusting motor (303) is fixedly connected to one side of the test bench (2), and an output end of the adjusting motor (303) is rotatably connected to the threaded rod (302).
4. The rail vehicle bogie stiffness detection device according to claim 1, characterized in that: Two adjusting mechanisms (3) are provided, and the two adjusting mechanisms (3) are arranged in a mirror image. The threaded rods (302) of the two adjusting mechanisms (3) are threadedly connected to the bottom ends of the gantry (4).
5. The rail vehicle bogie stiffness detection device according to claim 1, characterized in that: The gantry (4) and the mounting frame (8) are fixedly connected, and the output end of the traction motor (10) and the winding roller (9) are fixedly connected.
6. The rail vehicle bogie stiffness detection device according to claim 1, characterized in that: Two test benches (2) and two gantry frames (4) are provided, and one side of one of the test benches (2) is fixedly connected to a sloped platform (12).
7. The rail vehicle bogie stiffness detection device according to claim 1, characterized in that: The top of the test bench (2) is rotatably connected to a rotating column (13), and the top of the rotating column (13) is connected to a camera (15) via a ball joint (14).
8. The rail vehicle bogie stiffness detection device according to claim 7, characterized in that: The rotating columns (13) and the cameras (15) are each provided in two groups, and each group of the rotating columns (13) and the cameras (15) is provided in a plurality.
9. The rail vehicle bogie stiffness detection device according to claim 8, characterized in that: The plurality of rotating columns (13) and cameras (15) are arranged linearly and equidistantly, and the cameras (15) are electrically connected to an external controller.