Device for measuring displacement of elastic support

Abstract

The utility model discloses a device for measuring the displacement of an elastic support, and relates to the technical field of displacement measurement. The displacement measuring device is used for measuring the displacement generated by the loaded elastic support and comprises a base, the base is provided with a moving part, and the elastic support is connected with the moving part; the stand column is fixed to the base, the stand column is connected with a laser displacement sensor, and the laser displacement sensor is located above the elastic support; and the data display is electrically connected with the laser displacement sensor. According to the device for measuring the displacement of the elastic support, the position of the elastic support is adjusted through the movement of the moving part on the base, the displacement amount of the elastic support before and after loading is measured through the laser displacement sensor on the stand column, and the displacement amount is displayed through the data displayer. And comparing the displacement difference of the two sides of the elastic bracket before and after loading so as to screen out the qualified elastic bracket.

Description

Technical Field

[0001] This utility model relates to the field of displacement measurement technology, and more specifically to a device for measuring the displacement of an elastic support. Background Technology

[0002] Electro-hydraulic servo valves are widely used in aviation, aerospace, shipbuilding, metallurgy, and chemical industries, ensuring precise control and efficient operation of systems. An electro-hydraulic servo valve consists of a valve body, valve sleeve, valve core, and motor. These components work together to enable the electro-hydraulic servo valve to adapt to various working conditions, including extreme environments such as high temperature, low temperature, high pressure, low pressure, and strong corrosion. It also features a simple structure and convenient maintenance, reducing maintenance costs and downtime. The elastic support is a crucial component of the motor. If the displacement on both sides of the elastic support differs significantly after loading, it will cause an imbalance in flow on both sides of the motor after assembly. This may also lead to valve failure, affecting the flow and pressure control accuracy of the hydraulic system and causing system malfunction.

[0003] Therefore, how to provide a device for measuring the displacement of an elastic support after loading is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the present invention provides a device for measuring the displacement of an elastic support, specifically measuring the displacement of both sides of the elastic support under loading. To achieve the above objective, the present invention adopts the following technical solution:

[0005] This utility model provides a device for measuring the displacement of an elastic support, used to measure the displacement generated by the elastic support after loading, including:

[0006] A base, on which a movable part is provided, and an elastic bracket connected to the movable part;

[0007] A column is fixed to the base, and a laser displacement sensor is connected to the column, with the laser displacement sensor located above the elastic support.

[0008] A data display, which is electrically connected to the laser displacement sensor.

[0009] Furthermore, the moving part includes a connecting mechanism and a displacement mechanism. The connecting mechanism includes a moving block and a positioning seat. The moving block is connected to the displacement mechanism. The end of the moving block away from the displacement mechanism is connected to the positioning seat. The elastic bracket is fixed to the end of the positioning seat away from the moving block.

[0010] Furthermore, the connecting mechanism also includes a locking screw and a fixing block. The movable block and the positioning seat are both provided with grooves at their respective ends. The two ends of the fixing block are respectively provided in the two grooves. The bottom ends of the grooves of the fixing block and the positioning seat are spaced apart and fixedly connected to the positioning seat. Both the fixing block and the movable block are provided with through threaded holes. The connection between the fixing block and the movable block is achieved by the cooperation of the threaded holes and the locking screw.

[0011] Furthermore, the connecting mechanism also includes a connecting plate, which is rotatably connected to the end of the locking screw away from the fixed block. Both the connecting plate and the moving block are provided with connecting holes, and the connection between the connecting plate and the moving block is achieved by the cooperation of the connecting bolts with the connecting holes.

[0012] Furthermore, the displacement mechanism includes a lateral displacement component, which includes a lateral moving seat, a lateral rack, a lateral guide rail, a lateral gear, and a lateral adjusting shaft. The lateral adjusting shaft is rotatably connected to the lateral moving seat, and a lateral gear is provided on the lateral adjusting shaft. The lateral rack is fixed on the base, and a lateral guide groove is provided at the bottom end of the lateral moving seat. The lateral guide rail is provided on the base and spaced apart from the lateral rack. The moving block is connected to the lateral moving seat, and the lateral movement of the moving block is achieved through the cooperation of the lateral rack and the lateral gear and the cooperation of the lateral guide rail and the lateral guide groove.

[0013] Furthermore, the displacement mechanism also includes a longitudinal displacement component, which includes a longitudinal moving seat, a longitudinal guide rail, a longitudinal rack, a longitudinal gear, and a longitudinal adjusting shaft. The longitudinal guide rail and the longitudinal rack are both fixed to the top of the transverse moving seat. The bottom of the longitudinal moving seat is provided with a longitudinal guide groove and a longitudinal through groove corresponding to the longitudinal guide rail and the longitudinal rack, respectively. A longitudinal gear is provided on the longitudinal adjusting shaft, and the longitudinal adjusting shaft is rotatably connected to the longitudinal moving seat. The moving block is connected to the longitudinal moving seat, and the longitudinal movement of the moving block is realized by the cooperation of the longitudinal gear and the longitudinal rack.

[0014] Furthermore, the displacement mechanism also includes a vertical displacement component, which includes a vertical moving seat, a vertical guide rail, a vertical rack, a vertical gear, and a vertical adjusting shaft. The vertical guide rail and the vertical rack are both fixed to the top of the vertical moving seat. The side wall of the vertical moving seat is provided with a vertical guide groove and a vertical through groove corresponding to the vertical guide rail and the vertical rack, respectively. A vertical gear is provided on the vertical adjusting shaft. The vertical adjusting shaft is rotatably connected to the vertical moving seat. The moving block is connected to the vertical moving seat. The vertical movement of the moving block is achieved by the cooperation of the vertical gear and the vertical rack.

[0015] Furthermore, the data display is mounted on the column.

[0016] As can be seen from the above technical solution, compared with the prior art, the present invention discloses a device for measuring the displacement of an elastic support. The position of the elastic support is adjusted by moving the moving part on the base, the displacement of the elastic support before and after loading is measured by the laser displacement sensor on the column, the displacement is displayed by the data display, and the difference in displacement before and after loading on both sides of the elastic support is compared to screen out qualified elastic supports. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0018] Figure 1 A schematic diagram of the structure of the device for measuring the displacement of an elastic support provided by this utility model;

[0019] Figure 2 A schematic diagram of the structure of the device for measuring the displacement of an elastic support provided by this utility model from another perspective;

[0020] Figure 3 A schematic diagram of the structure of the elastic support provided by this utility model;

[0021] Figure 4 A schematic diagram of the connection structure provided by this utility model;

[0022] Figure 5 A schematic diagram of the displacement mechanism provided by this utility model.

[0023] In the diagram: 1. Data display; 2. Laser displacement sensor; 3. Elastic bracket; 4. Column; 5. Base; 6. Horizontal rack; 7. Horizontal adjustment shaft; 8. Horizontal moving seat; 9. Longitudinal rack; 10. Longitudinal moving seat; 11. Vertical adjustment shaft; 12. Connecting seat; 13. Vertical moving seat; 14. Vertical rack; 15. Moving block; 16. Fixing block; 17. Positioning seat; 18. Horizontal guide rail; 19. Longitudinal adjustment shaft; 20. Locking screw; 21. Connecting plate; 22. Longitudinal guide rail; 23. Vertical guide rail. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] See Figure 1-5 This utility model discloses a device for measuring the displacement of an elastic support, used to measure the displacement of the elastic support 3 after loading, including:

[0026] Base 5, a movable part is provided on base 5, and elastic bracket 3 is connected to the movable part;

[0027] The column 4 is fixed on the base 5, and the laser displacement sensor 2 is connected to the column 4. The laser displacement sensor 2 is located above the elastic bracket 3.

[0028] Data display 1 is electrically connected to laser displacement sensor 2.

[0029] Before measurement, fix one side of the elastic bracket 3 upwards on the moving part. The moving part drives the elastic bracket 3 to the lower end of the laser displacement sensor 2, so that the end of the elastic bracket 3 away from the moving part is directly below the laser displacement sensor 2. Apply load to the end of the elastic bracket 3 away from the moving part. Measure the displacement generated by the loaded end of the elastic bracket 3 away from the moving part using the laser displacement sensor 2. Remove the load applied to the elastic bracket 3, remove the elastic bracket 3, rotate it 180°, and fix the other side of the elastic bracket 3 upwards on the moving part. Adjust the position of the elastic bracket 3 again so that the end of the elastic bracket 3 away from the moving part is directly below the laser displacement sensor 2. Apply the same load to the end of the elastic bracket 3 away from the moving part, measure the displacement generated by the loaded elastic bracket 3 again, and display it on the data display 1. Compare the two displacement values ​​displayed on the data display 1 to obtain the difference between the two displacement values. Determine whether the elastic bracket 3 is qualified based on the magnitude of the difference.

[0030] In some embodiments, the moving part includes a connecting mechanism and a displacement mechanism. The connecting mechanism includes a moving block 15 and a positioning seat 17. The moving block 15 is connected to the displacement mechanism. The end of the moving block 15 away from the displacement mechanism is connected to the positioning seat 17. The elastic bracket 3 is fixed to the end of the positioning seat 17 away from the moving block 15.

[0031] The elastic bracket 3 is fixed to the positioning seat 17 with bolts. When it is necessary to rotate the elastic bracket 3, the positioning seat 17 is removed, the positioning seat 17 and the elastic bracket 3 are rotated, and then the positioning seat 17 is installed on the moving block 15.

[0032] In some embodiments, the connecting mechanism further includes a locking screw 20 and a fixing block 16. The movable block 15 and the positioning seat 17 are both provided with grooves at their respective ends. The two ends of the fixing block 16 are respectively provided in the two grooves. The bottom ends of the grooves of the fixing block 16 and the positioning seat 17 are spaced apart and fixedly connected to the positioning seat 17. Both the fixing block 16 and the movable block 15 are provided with through threaded holes. The connection between the fixing block 16 and the movable block 15 is achieved by the cooperation of the threaded holes and the locking screw 20.

[0033] The connection between the fixed block 16 and the movable block 15 is achieved by the engagement of the locking screw 20 with the threaded hole, thereby connecting the movable block 15 with the positioning seat 17.

[0034] After measuring one side of the elastic bracket 3, rotate the locking screw 20 to unscrew it from the fixed block 16, remove the positioning seat 17 and the fixed block 16, rotate the positioning seat 17 so that the other side of the elastic bracket 3 faces upward, slide the fixed block 16 into the groove of the moving seat, rotate the locking screw 20 to lock the fixed block 16 and the moving block 15 again, realize the connection between the moving block 15 and the positioning seat 17, and measure the displacement of the other side of the elastic bracket 3 after loading.

[0035] In some embodiments, the connecting mechanism further includes a connecting plate 21, which is rotatably connected to the end of the locking screw 20 away from the fixed block 16. Both the connecting plate 21 and the moving block 15 are provided with connecting holes, and the connection between the connecting plate 21 and the moving block 15 is achieved by the cooperation of the connecting bolts and the connecting holes.

[0036] After fixing the positioning seat 17 onto the moving block 15 with the locking screw 20, rotate the connecting plate 21 so that the connecting hole on the connecting plate 21 coincides with the connecting hole on the displacement block. The connecting bolts are used to connect the connecting plate 21 and the moving block 15, preventing the locking screw 20 from being screwed out of the threaded hole under the action of other external forces, and ensuring the connection effect between the positioning seat 17 and the moving block 15.

[0037] In some embodiments, the displacement mechanism includes a lateral displacement component, which includes a lateral moving seat 8, a lateral rack 6, a lateral guide rail 18, a lateral gear, and a lateral adjusting shaft 7. The lateral adjusting shaft 7 is rotatably connected to the lateral moving seat 8, and a lateral gear is provided on the lateral adjusting shaft 7. The lateral rack 6 is fixed on the base 5, and a lateral guide groove is provided at the bottom end of the lateral moving seat 8. The lateral guide rail 18 is provided on the base 5 and spaced apart from the lateral rack 6. The moving block 15 is connected to the lateral moving seat 8, and the lateral movement of the moving block 15 is achieved through the cooperation of the lateral rack 6 and the lateral gear and the cooperation of the lateral guide rail 18 and the lateral guide groove.

[0038] After fixing the elastic bracket 3 on the positioning seat 17, rotate the horizontal adjustment shaft 7. The horizontal adjustment shaft 7 drives the horizontal gear to rotate. Through the cooperation of the horizontal gear and the horizontal rack 6, the horizontal moving seat 8 can be moved. Through the cooperation of the horizontal guide groove and the horizontal guide rail 18, the horizontal moving seat 8 can be connected to the base 5. At the same time, the linear movement of the horizontal moving seat 8 is ensured, and the horizontal moving seat 8 is prevented from deviating during the movement, which would affect the cooperation of the horizontal gear and the horizontal rack 6.

[0039] In some embodiments, the displacement mechanism further includes a longitudinal displacement component, which includes a longitudinal moving seat 10, a longitudinal guide rail 22, a longitudinal rack 9, a longitudinal gear, and a longitudinal adjusting shaft 19. The longitudinal guide rail 22 and the longitudinal rack 9 are both fixed to the top of the transverse moving seat 8. The bottom of the longitudinal moving seat 10 is provided with a longitudinal guide groove and a longitudinal through groove corresponding to the longitudinal guide rail 22 and the longitudinal rack 9, respectively. A longitudinal gear is provided on the longitudinal adjusting shaft 19. The longitudinal adjusting shaft 19 is rotatably connected to the longitudinal moving seat 10. The moving block 15 is connected to the longitudinal moving seat 10. The longitudinal gear and the longitudinal rack 9 cooperate to realize the longitudinal movement of the moving block 15.

[0040] In some embodiments, the longitudinal guide rail 22 is fixed to the top of the transverse moving seat 8, the longitudinal rack 9 is fixed to the end of the longitudinal guide rail 22 away from the transverse moving seat 8, the longitudinal through groove is provided at the upper end of the longitudinal guide groove, and the longitudinal through groove communicates with the longitudinal guide groove.

[0041] During the adjustment of the position of the elastic support 3, the longitudinal adjustment shaft 19 is rotated. The longitudinal adjustment shaft 19 drives the longitudinal gear to rotate and mesh with the longitudinal rack 9. The longitudinal movement of the longitudinal moving seat 10 is achieved through the cooperation of the longitudinal gear and the longitudinal rack 9. The longitudinal moving seat 10 is connected to the transverse moving seat 8 through the cooperation of the longitudinal guide groove and the longitudinal guide rail 22, while avoiding the offset of the longitudinal moving seat 10 during the movement.

[0042] In some embodiments, the displacement mechanism further includes a vertical displacement component, which includes a vertical moving seat 13, a vertical guide rail 23, a vertical rack 14, a vertical gear, and a vertical adjusting shaft 11. The vertical guide rail 23 and the vertical rack 14 are both fixed to the top of the vertical moving seat 10. The side wall of the vertical moving seat 13 is provided with a vertical guide groove and a vertical through groove corresponding to the vertical guide rail 23 and the vertical rack 14, respectively. A vertical gear is provided on the vertical adjusting shaft 11. The vertical adjusting shaft 11 is rotatably connected to the vertical moving seat 13. The moving block 15 is connected to the vertical moving seat 13. The vertical movement of the moving block 15 is realized by the cooperation of the vertical gear and the vertical rack 14.

[0043] In some embodiments, a connecting seat 12 is provided at the top of the longitudinal moving seat 10, the vertical guide rail 23 is connected to the end of the connecting seat 12 near the laser displacement sensor 2, the vertical rack 14 is fixed to the end of the vertical guide rail 23 away from the connecting seat 12, and the vertical guide groove is provided at the end of the vertical through groove near the connecting seat 12, and the vertical through groove communicates with the vertical guide groove.

[0044] During the adjustment of the position of the elastic support 3, the vertical adjustment shaft 11 is rotated, which drives the vertical gear to rotate. Through the meshing of the vertical gear and the vertical rack 14, the vertical moving seat 13 is moved vertically. Through the cooperation of the vertical guide rail 23 and the vertical guide groove, the vertical moving seat 13 is connected to the longitudinal moving seat 10.

[0045] In some embodiments, the data display 1 is mounted on the column 4.

[0046] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section.

[0047] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for measuring displacement of an elastic support, for measuring the amount of displacement of an elastic support after loading, characterized by, include: A base, on which a movable part is provided, and an elastic bracket connected to the movable part; A column is fixed to the base, and a laser displacement sensor is connected to the column, with the laser displacement sensor located above the elastic support. A data display, which is electrically connected to the laser displacement sensor.

2. The device for measuring displacement of an elastic support according to claim 1, wherein The moving part includes a connecting mechanism and a displacement mechanism. The connecting mechanism includes a moving block and a positioning seat. The moving block is connected to the displacement mechanism. The end of the moving block away from the displacement mechanism is connected to the positioning seat. The elastic bracket is fixed to the end of the positioning seat away from the moving block.

3. The device for measuring displacement of an elastic support according to claim 2, characterized in that, The connecting mechanism further includes a locking screw and a fixing block. The movable block and the positioning seat are provided with grooves at their respective ends. The two ends of the fixing block are respectively disposed in the two grooves. The bottom ends of the grooves of the fixing block and the positioning seat are spaced apart and fixedly connected to the positioning seat. Both the fixing block and the movable block are provided with through threaded holes. The connection between the fixing block and the movable block is achieved by the cooperation of the threaded holes and the locking screw.

4. The device for measuring displacement of an elastic support according to claim 3, wherein The connecting mechanism also includes a connecting plate, which is rotatably connected to the end of the locking screw away from the fixed block. Both the connecting plate and the moving block are provided with connecting holes, and the connection between the connecting plate and the moving block is achieved by the cooperation of the connecting bolts with the connecting holes.

5. The device for measuring displacement of an elastic support according to claim 2, wherein The displacement mechanism includes a lateral displacement component, which comprises a lateral moving seat, a lateral rack, a lateral guide rail, a lateral gear, and a lateral adjusting shaft. The lateral adjusting shaft is rotatably connected to the lateral moving seat, and a lateral gear is mounted on the lateral adjusting shaft. The lateral rack is fixed to the base, and a lateral guide groove is provided at the bottom end of the lateral moving seat. The lateral guide rail is mounted on the base and spaced apart from the lateral rack. The moving block is connected to the lateral moving seat, and the lateral movement of the moving block is achieved through the cooperation of the lateral rack and lateral gear and the cooperation of the lateral guide rail and the lateral guide groove.

6. The device for measuring displacement of an elastic support according to claim 5, wherein The displacement mechanism further includes a longitudinal displacement component, which includes a longitudinal moving seat, a longitudinal guide rail, a longitudinal rack, a longitudinal gear, and a longitudinal adjusting shaft. The longitudinal guide rail and the longitudinal rack are both fixed to the top of the transverse moving seat. The bottom of the longitudinal moving seat is provided with a longitudinal guide groove and a longitudinal through groove corresponding to the longitudinal guide rail and the longitudinal rack, respectively. A longitudinal gear is provided on the longitudinal adjusting shaft, and the longitudinal adjusting shaft is rotatably connected to the longitudinal moving seat. The moving block is connected to the longitudinal moving seat, and the longitudinal movement of the moving block is realized by the cooperation of the longitudinal gear and the longitudinal rack.

7. The device for measuring displacement of an elastic support according to claim 6, characterized in that, The displacement mechanism further includes a vertical displacement component, which comprises a vertical moving seat, a vertical guide rail, a vertical rack, a vertical gear, and a vertical adjusting shaft. The vertical guide rail and the vertical rack are both fixed to the top of the vertical moving seat. The side wall of the vertical moving seat is provided with a vertical guide groove and a vertical through groove corresponding to the vertical guide rail and the vertical rack, respectively. A vertical gear is provided on the vertical adjusting shaft, which is rotatably connected to the vertical moving seat. The moving block is connected to the vertical moving seat, and the vertical movement of the moving block is achieved by the cooperation of the vertical gear and the vertical rack.

8. The device for measuring displacement of an elastic support according to claim 1, wherein The data display is mounted on the column.

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