Displacement sensor detection equipment with multi-position synchronous test function

Abstract

The invention discloses a displacement sensor detection device with a multi-position synchronous test function, and relates to the technical field of displacement sensor detection, the displacement sensor detection device comprises a workbench, an H-shaped plate, an unfolding device, an X-axis moving device, a guide column and a Z-axis moving device, the unfolding device can realize simultaneous detection of various displacement sensors, and the Z-axis moving device can realize simultaneous detection of the X-axis moving device and the Z-axis moving device; a large amount of time and labor cost are saved, the X-axis moving device can change the horizontal position of the magnetic steel and detect the plane displacement precision of the displacement sensor, the Z-axis moving device can clamp the displacement sensors of different sizes at the same time, the sensors can be stably fixed in the clamping process, too large clamping force cannot be applied, and the clamping precision is improved. Meanwhile, the displacement sensor is lifted, the space displacement precision of the displacement sensor is detected, the balance state of the displacement sensor is automatically maintained in the moving process of the displacement sensor, vibration generated by external interference or self movement is effectively restrained, and therefore measurement errors caused by vibration are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of displacement sensor detection, in particular to a displacement sensor detection device with a multi-camera synchronous testing function. Background Art

[0002] Displacement sensors can monitor the displacement changes of objects in real time and provide accurate feedback information for the control system, thereby achieving precise control. They are widely used in industrial automation, robotics, aerospace, building structure monitoring and other fields. They have the functions of monitoring equipment status, realizing automatic control, and measuring object dimensions, ensuring precise control and efficient production in these fields. The performance of displacement sensors largely determines the performance of the detection equipment using the sensor. Displacement sensors need to be tested to ensure their quality and performance.

[0003] The existing technology has defects: most of the existing displacement sensor detection equipment can only detect one product at a time, and the detection efficiency is low; when adjusting the position of the displacement sensor, vibration will be generated, affecting the accuracy of the detection; when fixing the displacement sensor, it is easy to over-clamp and cause damage to the displacement sensor. Summary of the invention

[0004] The object of the present invention is to provide a displacement sensor detection device with a multi-camera synchronous testing function to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: the displacement sensor detection device includes a workbench, an H-shaped plate is installed on the workbench, a guide column is installed on the inner side of the H-shaped plate, an X-axis moving device is installed on the H-shaped plate, an expansion device is installed on one side of the X-axis moving device, and the expansion device slides on the guide column, and a Z-axis moving device is installed on one side of the H-shaped plate, and the Z-axis moving device is installed on the workbench. When in use, the displacement sensor is manually placed on the Z-axis moving device, the control system controls the clamping device to fix the displacement sensor, controls the expansion device to start, and the expansion device expands the magnetic steel, and each displacement sensor is independently tested. After the test is completed, the expansion device is controlled to shrink the magnetic steel, and the expansion device drives the X-axis moving device to slide on the guide column. After reaching the predetermined position, the expansion device is controlled to expand, and the plane displacement accuracy of the displacement sensor is detected by changing the horizontal position of the magnetic steel, and the Z-axis moving device is controlled to start, and the Z-axis moving device drives the displacement sensor to rise and fall, and the spatial displacement accuracy of the displacement sensor is detected.

[0006] The unfolding device includes a mounting plate, a connecting plate is installed on one side of the mounting plate, the connecting plate slides on the guide column, an inclined groove and a sliding groove are provided on the mounting plate, a first slider and a second slider are slidably connected in the inclined groove, a first rotating shaft is rotatably connected in the first slider, a second rotating shaft is rotatably connected in the second slider, the first rotating shaft and the second rotating shaft slide in the sliding groove, a first shielding cover is installed on one side of the first slider, a first motor is installed in the first shielding cover, the first rotating shaft is installed on the output shaft of the first motor, a third rotating shaft is rotatably connected on the mounting plate, a displacement device is installed at one end of the first rotating shaft and the second rotating shaft, and the first motor is connected to a control system.

[0007] The shifting device includes a first gear, the first gear is mounted on the first rotating shaft, the first rotating shaft is rotatably connected to the first connecting rod, the other end of the first connecting rod is rotatably connected to the fourth rotating shaft, the second gear is mounted on the fourth rotating shaft, the fourth rotating shaft is rotatably connected to the second connecting rod, the second connecting rod rotates on the third rotating shaft, the third gear is mounted on the third rotating shaft, the other end of the second connecting rod is rotatably connected to the fifth rotating shaft, the fourth gear is mounted on the fifth rotating shaft, the third connecting rod is rotatably connected to the fifth rotating shaft, the second rotating shaft rotates in the third connecting rod, the fifth gear is mounted on the second rotating shaft, a detachable rack is mounted on one side of the mounting plate, the detachable rack is meshed with the first gear, the first gear and the second gear are meshed, the second gear and the third gear are meshed, the third gear and the fourth gear are meshed, the fourth gear and the fifth gear are meshed, and a magnetic steel is mounted on one side of the first gear, the second gear, the third gear, the fourth gear and the fifth gear. When the magnetic steel is unfolded, the control system controls the first motor to start, the first motor drives the first rotating shaft to rotate, the first rotating shaft drives the first gear to move on the detachable rack, the first rotating shaft drives the first slider to slide in the inclined groove away from the third rotating shaft, the detachable rack drives the first gear to rotate, the first gear drives the second gear to rotate, the first rotating shaft drives the first connecting rod to rotate, the first connecting rod drives the fourth rotating shaft to rotate, the fourth rotating shaft drives the second connecting rod to rotate around the third rotating shaft, the second gear rotates around the third gear, the second connecting rod drives the fifth rotating shaft to rotate around the third rotating shaft, and the fourth gear rotates around the third gear. When the third gear stops rotating during unfolding, when the magnetic steel is retracted, the output shaft of the first motor is controlled to reverse, and the third gear rotates. When a return stroke is required, the detachable rack is removed and installed on the other side of the first gear, and the above steps are repeated.

[0008] The X-axis moving device includes a U-shaped plate, which is mounted on one side of the mounting plate, and a through slot is provided on the U-shaped plate. A worm wheel is mounted on one end of the third rotating shaft, and a seventh rotating shaft is rotatably connected in the U-shaped plate, and a worm is mounted on the seventh rotating shaft, and the worm is meshed with the worm wheel. A sixth gear is mounted on one end of the seventh rotating shaft, and a long rack is mounted on the inner side of the H-shaped plate, and the long rack is meshed with the sixth gear. The third rotating shaft drives the worm wheel to rotate, the worm wheel drives the worm to rotate, the worm drives the seventh rotating shaft to rotate, and the seventh rotating shaft drives the sixth gear to move on the long rack.

[0009] The Z-axis moving device includes a fixed plate, which is mounted on a workbench, a side plate is mounted on one side of the fixed plate, a second shielding cover is mounted on one side of the side plate, a second motor is mounted in the second shielding cover, a first screw is mounted on the output shaft of the second motor, a slide plate is slidably connected to the first screw, a cross plate is mounted on one side of the slide plate, a vibration reduction device is mounted on one side of the cross plate, a clamping device and a third shielding cover are mounted on the other side of the cross plate, a third motor is mounted in the third shielding cover, a second screw is mounted on the output shaft of the third motor, the clamping device slides on the second screw, and the second motor and the third motor are connected to the control system. The control system controls the second motor to start, the output shaft of the second motor drives the first screw to rotate, the first screw drives the slide plate to slide on the first screw, the slide plate drives the cross plate to move, the cross plate drives the clamping device to move, and the clamping device drives the displacement sensor to move to detect the spatial displacement accuracy of the displacement sensor.

[0010] The vibration reduction device includes a mounting block, which is mounted on one side of the transverse plate, and the mounting block is rotatably connected to an eighth rotating shaft, a pendulum is mounted on one end of the eighth rotating shaft, and a fourth connecting rod is mounted on the other end of the eighth rotating shaft, and a fifth connecting rod is rotatably connected to one side of the fourth connecting rod, and a T-block is rotatably connected to one end of the fifth connecting rod, and a mass block is mounted on one end of the T-block, and a friction damper is mounted inside the mass block, and the friction damper slides on the fixed plate. When the skateboard vibrates, the skateboard drives the transverse plate to tilt to one side, the pendulum rotates in the opposite direction, the pendulum drives the eighth rotating shaft to rotate, the eighth rotating shaft drives the fourth connecting rod to rotate, the fourth connecting rod drives the fifth connecting rod to rotate, the fifth connecting rod drives the T-block to move in the opposite direction, and the T-block drives the mass block to move in the opposite direction on the transverse plate, so that the transverse plate is returned to a balanced position, and at the same time, the friction damper slides on the transverse plate, and generates heat through friction to offset the vibration of the skateboard when it deflects.

[0011] The cam is provided with a plurality of movable members, and the movable members are provided with a plurality of movable members, and the movable members are provided with a plurality of movable members, and the movable members are provided with a plurality of movable members. Manually place displacement sensors of different sizes on the base plate, and the control system controls the third motor to start. The third motor drives the second screw to rotate, and the second screw drives the nut seat to slide on the second screw toward the fixed block. The nut seat drives the movable block to move, and the movable block drives the sleeve to move. The movable block and the fixed block clamp the displacement sensor. At this time, the displacement sensor is against the silicone block, and the silicone block shrinks. The displacement sensor pushes the extrusion block to move away from the displacement sensor, and the extrusion block drives the cylinder to move, and the cylinder drives the connecting column to move, and the connecting column drives the sleeve to move. When the second limit block is disengaged from the first limit groove, the nut seat rotates on the second screw, and the movable block stops moving, and the application of the holding force is disengaged, ensuring that the sensor can be firmly fixed during the clamping process without applying excessive clamping force to damage the displacement sensor.

[0012] A silicone block is installed on one side of the fixed block close to the movable block, and a silicone block is installed on one side of the movable block close to the fixed block.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention adopts multi-camera synchronous testing technology to realize the simultaneous detection of multiple displacement sensors. Multiple sensors that originally need to be tested sequentially can be measured in one test cycle, saving a lot of time and labor costs, greatly improving the test efficiency and production benefits, and reducing the errors caused by fluctuations in the test environment; 2. The vibration reduction device of the present invention can automatically maintain the balance state of the displacement sensor during its movement, and effectively suppress the vibration caused by external interference or its own movement, thereby avoiding measurement errors caused by vibration, which not only greatly reduces the vibration interference during the detection process, but also ensures the accuracy and reliability of the sensor output signal; 3. The clamping device of the present invention can clamp displacement sensors of different sizes at the same time. When clamped to a certain extent, it can automatically disengage from the application of the clamping force, thereby ensuring the safety and stability of each displacement sensor during the clamping process. At the same time, it ensures that the sensor can be firmly fixed during the clamping process without applying excessive clamping force. This not only improves the efficiency of equipment installation and testing, but also greatly extends the service life of the sensor and reduces maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of a displacement sensor detection device of the present invention; Figure 2 The three-dimensional structure of the unfolding device of the present invention Figure 1 ; Figure 3 The three-dimensional structure of the unfolding device of the present invention Figure 2 ; Figure 4 A three-dimensional diagram of the X-axis moving device of the present invention; Figure 5 A three-dimensional diagram of the Z-axis moving device of the present invention; Figure 6 is a three-dimensional diagram of the vibration reduction device of the present invention; Figure 7 is a three-dimensional diagram of the clamping device of the present invention; Figure 8 It is a cross-sectional view of the internal structure of the movable panel of the present invention.

[0015] In the figure: 1, workbench; 2, H-shaped plate; 3, unfolding device; 31, mounting plate; 32, first slider; 33, connecting plate; 34, first shielding cover; 35, second slider; 36, sliding groove; 37, displacement device; 371, first gear; 372, first connecting rod; 373, second gear; 374, third gear; 375, fourth gear; 376, fifth gear; 377, second connecting rod; 378, third connecting rod; 379, detachable rack; 38, third rotating shaft; 4, X-axis moving device; 41, U-shaped plate; 42, worm gear; 43, seventh rotating shaft; 44, sixth gear; 45, Long rack; 5. Guide column; 6. Z-axis moving device; 61. Fixed plate; 62. Side plate; 63. Second shielding cover; 64. Slide plate; 65. First screw rod; 66. Cross plate; 67. Vibration reduction device; 671. Mounting block; 672. Pendulum; 673. Fourth connecting rod; 674. Fifth connecting rod; 675. T-block; 676. Mass block; 68. Third shielding cover; 69. Clamping device; 691. Bottom plate; 692. Fixed block; 693. Movable block; 694. Extrusion block; 695. Connecting column; 696. Sleeve; 697. Nut seat; 698. Second limiting groove; 699. Cylinder. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Example: Figure 1-Figure 8 As shown, the present invention provides a technical solution, the displacement sensor detection equipment includes a workbench 1, an H-shaped plate 2 is installed on the workbench 1, a guide column 5 is installed on the inner side of the H-shaped plate 2, an X-axis moving device 4 is installed on the H-shaped plate 2, an expansion device 3 is installed on one side of the X-axis moving device 4, the expansion device 3 slides on the guide column 5, and a Z-axis moving device 6 is installed on one side of the H-shaped plate 2, and the Z-axis moving device 6 is installed on the workbench 1. When in use, the displacement sensor is manually placed on the Z-axis moving device 6, the control system controls the clamping device 69 to fix the displacement sensor, controls the expansion device 3 to start, and the expansion device 3 expands the magnetic steel, and each displacement sensor is independently tested. After the test is completed, the expansion device 3 is controlled to shrink the magnetic steel, and the expansion device 3 drives the X-axis moving device 4 to slide on the guide column 5. After reaching the predetermined position, the expansion device 3 is controlled to expand, and the plane displacement accuracy of the displacement sensor is tested by changing the horizontal position of the magnetic steel, and the Z-axis moving device 6 is controlled to start, and the Z-axis moving device 6 drives the displacement sensor to rise and fall, and the spatial displacement accuracy of the displacement sensor is tested.

[0018] The unfolding device 3 includes a mounting plate 31, a connecting plate 33 is installed on one side of the mounting plate 31, the connecting plate 33 slides on the guide column 5, an inclined groove and a sliding groove 36 are provided on the mounting plate 31, a first slider 32 and a second slider 35 are slidingly connected in the inclined groove, a first rotating shaft is rotatably connected in the first slider 32, a second rotating shaft is rotatably connected in the second slider 35, the first rotating shaft and the second rotating shaft slide in the sliding groove 36, a first shielding cover 34 is installed on one side of the first slider 32, a first motor is installed in the first shielding cover 34, the first rotating shaft is installed on the output shaft of the first motor, a third rotating shaft 38 is rotatably connected on the mounting plate 31, a displacement device 37 is installed at one end of the first rotating shaft and the second rotating shaft, and the first motor is connected to the control system.

[0019] The shifting device 37 includes a first gear 371, the first gear 371 is mounted on a first rotating shaft, a first connecting rod 372 is rotatably connected to the first rotating shaft, the other end of the first connecting rod 372 is rotatably connected to a fourth rotating shaft, a second gear 373 is mounted on the fourth rotating shaft, a second connecting rod 377 is rotatably connected to the fourth rotating shaft, the second connecting rod 377 rotates on a third rotating shaft 38, a third gear 374 is mounted on the third rotating shaft 38, the other end of the second connecting rod 377 is rotatably connected to a fifth rotating shaft, a fourth gear 375 is mounted on the fifth rotating shaft, and the third connecting rod 377 is rotatably connected to the fifth rotating shaft. 78. The second rotating shaft rotates in the third connecting rod 378. The fifth gear 376 is installed on the second rotating shaft. A detachable rack 379 is installed on one side of the mounting plate 31. The detachable rack 379 is meshed with the first gear 371, the first gear 371 is meshed with the second gear 373, the second gear 373 is meshed with the third gear 374, the third gear 374 is meshed with the fourth gear 375, the fourth gear 375 is meshed with the fifth gear 376, and a magnetic steel is installed on one side of the first gear 371, the second gear 373, the third gear 374, the fourth gear 375 and the fifth gear 376.

[0020] When the magnetic steel is deployed, the control system controls the first motor to start, the first motor drives the first shaft to rotate, the first shaft drives the first gear 371 to move on the detachable rack 379, the first shaft drives the first slider 32 to slide in the inclined groove in the direction away from the third shaft 38, the detachable rack 379 drives the first gear 371 to rotate, the first gear 371 drives the second gear 373 to rotate, the first shaft drives the first connecting rod 372 to rotate, the first connecting rod 372 drives the fourth shaft to rotate, the fourth shaft drives the second connecting rod 377 to rotate around the third shaft 38, the second gear 373 rotates around the third gear 374, the second connecting rod 377 drives the fifth shaft to rotate around the third shaft 38, the fourth gear 375 rotates around the third gear 374, and the third gear 374 stops rotating during deployment. When the magnetic steel is retracted, the output shaft of the first motor is controlled to reverse, and the third gear 374 rotates. When a return stroke is required, the detachable rack 379 is removed and installed on the other side of the first gear 371, and the above steps are repeated.

[0021] The X-axis moving device 4 includes a U-shaped plate 41, which is mounted on one side of the mounting plate 31. The U-shaped plate 41 is provided with a through slot. A worm gear 42 is mounted on one end of the third rotating shaft 38. A seventh rotating shaft 43 is rotatably connected in the U-shaped plate 41. A worm is mounted on the seventh rotating shaft 43. The worm and the worm gear 42 are meshed. A sixth gear 44 is mounted on one end of the seventh rotating shaft 43. A long rack 45 is mounted on the inner side of the H-shaped plate 2. The long rack 45 is meshed with the sixth gear 44. The third rotating shaft 38 drives the worm gear 42 to rotate, the worm gear 42 drives the worm to rotate, the worm drives the seventh rotating shaft 43 to rotate, and the seventh rotating shaft 43 drives the sixth gear 44 to move on the long rack 45.

[0022] The Z-axis moving device 6 includes a fixed plate 61, which is installed on the workbench 1. A side plate 62 is installed on one side of the fixed plate 61, a second shielding cover 63 is installed on one side of the side plate 62, a second motor is installed in the second shielding cover 63, a first screw rod 65 is installed on the output shaft of the second motor, a slide plate 64 is slidably connected to the first screw rod 65, a cross plate 66 is installed on one side of the slide plate 64, a vibration reduction device 67 is installed on one side of the cross plate 66, a clamping device 69 and a third shielding cover 68 are installed on the other side of the cross plate 66, a third motor is installed in the third shielding cover 68, a second screw rod is installed on the output shaft of the third motor, the clamping device 69 slides on the second screw rod, and the second motor and the third motor are connected to the control system. The control system controls the second motor to start, the output shaft of the second motor drives the first screw rod 65 to rotate, the first screw rod 65 drives the slide plate 64 to slide on the first screw rod 65, the slide plate 64 drives the cross plate 66 to move, the cross plate 66 drives the clamping device 69 to move, and the clamping device 69 drives the displacement sensor to move to detect the spatial displacement accuracy of the displacement sensor.

[0023] The vibration reduction device 67 includes a mounting block 671, which is mounted on one side of the cross plate 66. An eighth rotating shaft is rotatably connected to the mounting block 671, a pendulum 672 is mounted on one end of the eighth rotating shaft, a fourth connecting rod 673 is mounted on the other end of the eighth rotating shaft, a fifth connecting rod 674 is rotatably connected to one side of the fourth connecting rod 673, a T-block 675 is rotatably connected to one end of the fifth connecting rod 674, a mass block 676 is mounted on one end of the T-block 675, a friction damper is mounted inside the mass block 676, and the friction damper slides on the fixed plate 61.

[0024] When the slide plate 64 vibrates, the slide plate 64 drives the cross plate 66 to tilt to one side, the pendulum 672 rotates in the opposite direction, the pendulum 672 drives the eighth shaft to rotate, the eighth shaft drives the fourth connecting rod 673 to rotate, the fourth connecting rod 673 drives the fifth connecting rod 674 to rotate, the fifth connecting rod 674 drives the T-block 675 to move in the opposite direction, the T-block 675 drives the mass block 676 to move in the opposite direction on the cross plate 66, and returns the cross plate 66 to the equilibrium position. At the same time, the friction damper slides on the cross plate 66, and generates heat through friction to offset the vibration of the slide plate 64 when it deflects.

[0025] The clamping device 69 includes a bottom plate 691, which is mounted on the horizontal plate 66. The bottom plate 691 is provided with a groove. A fixed block 692 is installed on one side of the bottom plate 691. A movable block 693 is slidably connected in the groove. The movable block 693 slides on the second screw rod. The movable block 693 is provided with a moving groove and a guide groove. An extrusion block 694 is slidably connected in the moving groove. A cylinder 699 is connected to one side of the extrusion block 694. A spring is installed between the extrusion block 694 and the moving groove. A connecting column 695 is installed on the cylinder 699. A sleeve 696 is installed at one end of the connecting column 695. The outer surface of the sleeve 696 is provided with a spring. There is a first limit block, the sleeve 696 slides in the guide groove, the inner surface of the sleeve 696 is provided with a first limit groove, the sleeve 696 is slidably connected with a nut seat 697, the nut seat 697 slides on the second screw rod, and a second limit block is installed on the outer surface of the nut seat 697, the second limit block is located in the first limit groove, one end of the nut seat 697 is installed with an annular protrusion, the guide groove is connected with a second limit groove 698, the annular protrusion is located in the second limit groove 698, a silicone block is installed on the side of the fixed block 692 close to the movable block 693, and a silicone block is installed on the side of the movable block 693 close to the fixed block 692.

[0026] Displacement sensors of different sizes are manually placed on the base plate 691, and the control system controls the third motor to start. The third motor drives the second screw to rotate, and the second screw drives the nut seat 697 to slide on the second screw toward the fixed block 692. The nut seat 697 drives the movable block 693 to move, and the movable block 693 drives the sleeve 696 to move. The movable block 693 and the fixed block 692 clamp the displacement sensor. At this time, the displacement sensor is against the silicone block, and the silicone block shrinks. The displacement sensor pushes the extrusion block 694 to move away from the displacement sensor. The extrusion block 694 drives the cylinder 699 to move, and the cylinder 699 drives the connecting column 695 to move, and the connecting column 695 drives the sleeve 696 to move. When the second limit block is disengaged from the first limit groove, the nut seat 697 rotates on the second screw, and the movable block 693 stops moving, and the application of the holding force is disengaged, ensuring that the sensor can be firmly fixed during the clamping process without applying excessive clamping force to damage the displacement sensor.

[0027] Working principle of the present invention: When in use, displacement sensors of different sizes are manually placed on the base plate 691, and the control system controls the third motor to start, and the third motor drives the second screw rod to rotate, and the second screw rod drives the nut seat 697 to slide on the second screw rod toward the fixed block 692, and the nut seat 697 drives the movable block 693 to move, and the movable block 693 drives the sleeve 696 to move, and the movable block 693 and the fixed block 692 clamp the displacement sensor. At this time, the displacement sensor is against the silicone block, and the silicone block shrinks. The displacement sensor pushes the extrusion block 694 to move away from the displacement sensor, and the extrusion block 694 drives the cylinder 699 to move, and the cylinder 699 drives the connecting column 695 to move, and the connecting column 695 drives the connecting column 695 to move. The connecting column 695 drives the sleeve 696 to move. When the second limit block is disengaged from the first limit groove, the nut seat 697 rotates on the second screw rod, and the movable block 693 stops moving, and the application of the clamping force is disengaged, ensuring that displacement sensors of various sizes can be firmly fixed in the clamping process without being subjected to excessive clamping force to cause damage to the displacement sensor. When the detection is completed and the displacement sensor is removed, the output shaft of the third motor is controlled to reverse, and the nut seat 697 is manually pressed. The nut seat 697 slides on the second screw rod until the second limit block enters the first limit groove. The nut seat 697 drives the movable block 693 to move away from the fixed block 692 to remove the displacement sensor.

[0028] When the magnetic steel is deployed, the control system controls the first motor to start, the first motor drives the first rotating shaft to rotate, the first rotating shaft drives the first gear 371 to move on the detachable rack 379, the first rotating shaft drives the first slider 32 to slide in the inclined groove in the direction away from the third rotating shaft 38, the detachable rack 379 drives the first gear 371 to rotate, the first gear 371 drives the second gear 373 to rotate, the first rotating shaft drives the first connecting rod 372 to rotate, the first connecting rod 372 drives the fourth rotating shaft to rotate, the fourth rotating shaft drives the second connecting rod 377 to rotate around the third rotating shaft 38, the second gear 373 rotates around the third gear 374, the second connecting rod 377 drives the fifth rotating shaft to rotate around the third rotating shaft 38, the fourth gear 375 rotates around the third gear 374, and the third gear 374 stops rotating when deployed. When the magnetic steel is contracted, the output shaft of the first motor is controlled to reverse, the third gear 374 rotates, the third gear 374 drives the third shaft 38 to rotate, the third shaft 38 drives the worm wheel 42 to rotate, the worm wheel 42 drives the worm to rotate, the worm drives the seventh shaft 43 to rotate, the seventh shaft 43 drives the sixth gear 44 to move on the long rack 45, the magnetic steel is unfolded to prevent the magnetic fields between the magnetic steels from affecting each other, the displacement sensors on multiple positions detect the magnetic steels at different positions, and the multiple sensors that originally need to be tested in sequence can complete the measurement within one test cycle, saving a lot of time and labor costs, greatly improving the test efficiency and production benefits, and reducing the errors caused by fluctuations in the test environment. By changing the horizontal position of the magnetic steel and the displacement sensor, the plane displacement accuracy of the displacement sensor is detected. When a return stroke is required, the detachable rack 379 is removed and installed on the other side of the first gear 371, and the above steps are repeated.

[0029] When the magnet is unfolded, the output shaft of the first motor is controlled to stop rotating, and the control system controls the second motor to start. The output shaft of the second motor drives the first screw rod 65 to rotate, and the first screw rod 65 drives the slide plate 64 to slide on the first screw rod 65. The slide plate 64 drives the cross plate 66 to move, and the cross plate 66 drives the clamping device 69 to move. The clamping device 69 drives the displacement sensor to move. By changing the spatial position of the magnet and the displacement sensor, the spatial displacement accuracy of the displacement sensor can be detected.

[0030] When the slide plate 64 vibrates and deviates on the first screw rod 65, the slide plate 64 drives the cross plate 66 to tilt to one side, and the pendulum 672 rotates in the opposite direction. The pendulum 672 drives the eighth shaft to rotate, and the eighth shaft drives the fourth connecting rod 673 to rotate. The fourth connecting rod 673 drives the fifth connecting rod 674 to rotate, and the fifth connecting rod 674 drives the T-block 675 to move in the opposite direction. The T-block 675 drives the mass block 676 to move in the opposite direction on the cross plate 66, and returns the cross plate 66 to the equilibrium position. At the same time, the friction damper slides on the cross plate 66, and generates heat by friction to offset the vibration of the slide plate 64 when it is deflected, so as to realize the automatic maintenance of the equilibrium state of the displacement sensor during its movement, and effectively suppress the vibration caused by external interference or its own movement, thereby avoiding the measurement error caused by vibration, which not only greatly reduces the vibration interference in the detection process, but also ensures the accuracy and reliability of the sensor output signal.

[0031] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A displacement sensor detection device with multi-camera synchronous testing function, characterized in that: The displacement sensor detection device comprises a workbench (1), an H-shaped plate (2) is mounted on the workbench (1), a guide column (5) is mounted on the inner side of the H-shaped plate (2), an X-axis moving device (4) is mounted on the H-shaped plate (2), an unfolding device (3) is mounted on one side of the X-axis moving device (4), the unfolding device (3) slides on the guide column (5), a Z-axis moving device (6) is mounted on one side of the H-shaped plate (2), and the Z-axis moving device (6) is mounted on the workbench (1).

2. The displacement sensor detection device with multi-camera synchronous testing function according to claim 1, characterized in that: The unfolding device (3) comprises a mounting plate (31), a connecting plate (33) is mounted on one side of the mounting plate (31), the connecting plate (33) slides on the guide column (5), an inclined groove and a sliding groove (36) are provided on the mounting plate (31), a first slider (32) and a second slider (35) are slidably connected in the inclined groove, a first rotating shaft is rotatably connected in the first slider (32), a second rotating shaft is rotatably connected in the second slider (35), the first rotating shaft and the second rotating shaft slide in the sliding groove (36), a first shielding cover (34) is mounted on one side of the first slider (32), a first motor is mounted in the first shielding cover (34), the first rotating shaft is mounted on the output shaft of the first motor, a third rotating shaft (38) is rotatably connected to the mounting plate (31), a displacement device (37) is mounted at one end of the first rotating shaft and the second rotating shaft, and the first motor is connected to a control system.

3. The displacement sensor detection device with multi-camera synchronous testing function according to claim 2, characterized in that: The displacement device (37) comprises a first gear (371), the first gear (371) is mounted on a first rotating shaft, a first connecting rod (372) is rotatably connected to the first rotating shaft, the other end of the first connecting rod (372) is rotatably connected to a fourth rotating shaft, a second gear (373) is mounted on the fourth rotating shaft, a second connecting rod (377) is rotatably connected to the fourth rotating shaft, the second connecting rod (377) rotates on a third rotating shaft (38), a third gear (374) is mounted on the third rotating shaft (38), the other end of the second connecting rod (377) is rotatably connected to a fifth rotating shaft, a fourth gear (375) is mounted on the fifth rotating shaft, the third connecting rod (378) is rotatably connected to the fifth rotating shaft, The second rotating shaft rotates in the third connecting rod (378); a fifth gear (376) is mounted on the second rotating shaft; a detachable rack (379) is mounted on one side of the mounting plate (31); the detachable rack (379) is meshed with the first gear (371); the first gear (371) is meshed with the second gear (373); the second gear (373) is meshed with the third gear (374); the third gear (374) is meshed with the fourth gear (375); the fourth gear (375) is meshed with the fifth gear (376); and a magnetic steel is mounted on one side of the first gear (371), the second gear (373), the third gear (374), the fourth gear (375) and the fifth gear (376).

4. The displacement sensor detection device with multi-camera synchronous testing function according to claim 3, characterized in that: The X-axis moving device (4) comprises a U-shaped plate (41), wherein the U-shaped plate (41) is mounted on one side of the mounting plate (31), a through slot is provided on the U-shaped plate (41), a worm gear (42) is mounted on one end of the third rotating shaft (38), a seventh rotating shaft (43) is rotatably connected in the U-shaped plate (41), a worm is mounted on the seventh rotating shaft (43), the worm and the worm gear (42) are meshed, a sixth gear (44) is mounted on one end of the seventh rotating shaft (43), and a long rack (45) is mounted on the inner side of the H-shaped plate (2), the long rack (45) and the sixth gear (44) are meshed.

5. The displacement sensor detection device with multi-camera synchronous testing function according to claim 4, characterized in that: The Z-axis moving device (6) comprises a fixed plate (61), the fixed plate (61) being mounted on the workbench (1), a side plate (62) being mounted on one side of the fixed plate (61), a second shielding cover (63) being mounted on one side of the side plate (62), a second motor being mounted in the second shielding cover (63), a first screw rod (65) being mounted on the output shaft of the second motor, a slide plate (64) being slidably connected to the first screw rod (65), a transverse plate (66) being mounted on one side of the slide plate (64), a vibration reduction device (67) being mounted on one side of the transverse plate (66), a clamping device (69) and a third shielding cover (68) being mounted on the other side of the transverse plate (66), a third motor being mounted in the third shielding cover (68), a second screw rod being mounted on the output shaft of the third motor, the clamping device (69) sliding on the second screw rod, and the second motor and the third motor being connected to a control system.

6. The displacement sensor detection device with multi-camera synchronous testing function according to claim 5, characterized in that: The vibration reduction device (67) comprises a mounting block (671), wherein the mounting block (671) is mounted on one side of the transverse plate (66), an eighth rotating shaft is rotatably connected to the mounting block (671), a pendulum (672) is mounted on one end of the eighth rotating shaft, a fourth connecting rod (673) is mounted on the other end of the eighth rotating shaft, a fifth connecting rod (674) is rotatably connected to one side of the fourth connecting rod (673), one end of the fifth connecting rod (674) is rotatably connected to a T-shaped block (675), a mass block (676) is mounted on one end of the T-shaped block (675), a friction damper is mounted inside the mass block (676), and the friction damper slides on the fixed plate (61).

7. The displacement sensor detection device with multi-camera synchronous testing function according to claim 6, characterized in that: The clamping device (69) comprises a base plate (691), the base plate (691) being mounted on the transverse plate (66), the base plate (691) being provided with a groove, a fixed block (692) being mounted on one side of the base plate (691), a movable block (693) being slidably connected in the groove, the movable block (693) sliding on the second screw rod, the movable block (693) being provided with a moving groove and a guide groove, an extrusion block (694) being slidably connected in the moving groove, a cylinder (699) being connected to one side of the extrusion block (694), a spring being mounted between the extrusion block (694) and the moving groove, and a connecting column (695) being mounted on the cylinder (699). A sleeve (696) is installed at one end of the connecting column (695), and a first limiting block is installed on the outer surface of the sleeve (696). The sleeve (696) slides in the guide groove, and a first limiting groove is provided on the inner surface of the sleeve (696). A nut seat (697) is slidably connected inside the sleeve (696), and the nut seat (697) slides on the second screw rod. A second limiting block is installed on the outer surface of the nut seat (697), and the second limiting block is located in the first limiting groove. An annular protrusion is installed at one end of the nut seat (697), and a second limiting groove (698) is connected in the guide groove, and the annular protrusion is located in the second limiting groove (698).

8. The displacement sensor detection device with multi-camera synchronous testing function according to claim 7, characterized in that: A silicone block is installed on one side of the fixed block (692) close to the movable block (693), and a silicone block is installed on one side of the movable block (693) close to the fixed block (692).

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