A leakage current tester measurement and calibration device

Abstract

The utility model discloses a leakage current tester measurement and calibration device, and relates to the technical field of leakage current testers. The utility model includes a fixed box, a detection module is fixedly connected to one end of the inner side of the fixed box, a calibration module is fixedly connected to the other end of the inner side of the fixed box, and an adjustment composite component is installed at the bottom of the fixed box, and convenient moving components are fixedly connected to both ends of the adjustment composite component. The utility model can clamp a variety of different types of detection heads through the setting of the adjustment composite component, thereby improving the application range of the calibration device, and at the same time can expand the moving range of the detection head, thereby improving the detection effect of the position to be tested, and at the same time through the setting of the convenient moving component, the calibration device can be easy to move, thereby reducing the work intensity of the staff carrying or moving the calibration device, and improving the convenience of the calibration device.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage current testers, in particular to a leakage current tester measurement and calibration device. Background Art

[0002] Leakage current refers to the current formed between mutually insulated metal parts in an electrical device, or between live parts and grounded parts, through the surrounding medium or insulating surface when there is no fault voltage applied. In the test of leakage current, instruments such as voltage source, current source, current-voltmeter, frequency meter and resistance box are needed. When calibrating the leakage current tester, voltmeter, ammeter and load resistor are needed.

[0003] Reference is made to the authorized patent number "CN213581320" which discloses an automatic measurement and calibration device for a leakage current tester, which records the technical problem of "automatically controlling the detection head for measurement and calibration, reducing work intensity, improving detection efficiency, avoiding entanglement between wires, and being highly practical."

[0004] In the process of implementing the patent, the applicant found that the patent had the following technical problems:

[0005] Since the range of movement of the detection head driven by the clamping assembly set in this patent is relatively fixed, the detection head cannot be better adjusted to the position to be tested. Secondly, the clamping distance of the clamping assembly is relatively fixed, so it cannot be applicable to various models of detection heads. At the same time, the calibration device is more difficult to move when it needs to be moved, which will reduce the convenience of the calibration device. For this reason, it is necessary to propose a leakage current tester measurement and calibration device to provide a new technical solution to solve the technical problems mentioned in the above patent. Utility Model Content

[0006] Based on this, a leakage current tester measurement and calibration device is provided to solve the following technical problems raised in the background technology: since the range of movement of the detection head driven by the clamping assembly set in the patent is relatively fixed, the detection head cannot be better adjusted to the position to be tested; secondly, the clamping distance of the clamping assembly is relatively fixed, so it cannot be applicable to various models of detection heads; at the same time, the calibration device is more difficult to move when it needs to be moved, which reduces the convenience of the calibration device.

[0007] The utility model adopts the following technical solution:

[0008] The leakage current tester measurement and calibration device specifically comprises a fixed box, one end of the inner side of the fixed box is fixedly connected to a detection module, the other end of the inner side of the fixed box is fixedly connected to a calibration module, an adjustment composite component is installed at the bottom of the fixed box, and both ends of the adjustment composite component are fixedly connected to convenient moving components;

[0009] The adjusting composite assembly comprises a supporting plate, a placing base, a first threaded rod, a first motor, a supporting column and a sliding block, two supporting plates are fixedly connected to the bottom of both ends of the fixing box, a placing base is provided at the bottom of both ends of the fixing box, and the bottoms of each two supporting plates are fixedly connected to the placing base at the same end, a first rotating groove is provided on the inner side of the top of the placing base, a first threaded rod is provided on the rotating connecting piece inside the first rotating groove, a first motor is fixedly connected to the outer side of the placing base, and the output end of the first motor extends to the inner side of the first rotating groove and is fixedly connected to the first threaded rod, a supporting column is slidably connected to the inner side of the first rotating groove, and the bottom of the supporting column is threadedly connected to the first threaded rod, a sliding block is fixedly connected to the top of the supporting column, and the top of the supporting column is slidably connected to the bottom of the fixing box through the sliding block;

[0010] The adjusting composite assembly also includes a second threaded rod, a second motor, a movable transverse plate, a first sliding plate, a second sliding plate, a fixed arc plate, a first rotating rod, a first gear, a second rotating rod, a second gear, a chain and a third motor. The adjacent ends of the two support columns are each provided with a second rotating groove, the second rotating groove is rotatably connected to the inner side of the second rotating groove, the second motor is fixedly connected to the bottom of the second rotating groove, the output end of the second motor and the bottom of the second threaded rod are fixedly connected, a movable transverse plate is arranged between the two support columns, both ends of the movable transverse plate are slidably connected to the first sliding plate, and the end of the first sliding plate away from the movable transverse plate is rotatably connected to the second sliding plate. The second gear is connected with the gear train of the first transmission gear and the gear train is connected with the gear of the first transmission gear, and the gear train is connected with the gear of the second transmission gear to form a gear train with a first end in contact with the first gear of the first transmission gear.

[0011] The adjustment composite assembly also includes a fixed plate, a central control plate, a connecting block, an electric push rod, a moving block, a fixed plate and a fixed shaft, the bottom of the first rotating rod is fixedly connected to a fixed plate, a central control plate is arranged at the bottom of the fixed plate, a plurality of connecting blocks are arranged between the fixed plate and the central control plate, and the top of the connecting block is fixedly connected to the fixed plate, the bottom of the connecting block is fixedly connected to the central control plate, an electric push rod is fixedly connected to the center of the bottom of the fixed plate, an output end of the electric push rod extends to the bottom of the central control plate and is fixedly connected to the moving block, both ends of the bottom of the central control plate are fixedly connected to fixed plates, a movable groove is provided at the bottom of the fixed plate, and a fixed shaft is fixedly connected to the inner side of the movable groove;

[0012] The adjustment composite assembly also includes an arc-shaped rod, a clamping plate, a spring, an extrusion block and an auxiliary block, both ends of the moving block are rotatably connected to the arc-shaped rod, and the middle part of the arc-shaped rod is rotatably connected to the fixed shaft, the bottom of the arc-shaped rod is rotatably connected to the clamping plate, and the adjacent ends of the two clamping plates are each provided with an arc-shaped groove, a plurality of springs are fixedly connected to the inner side of the arc-shaped groove, the end of the spring away from the clamping plate is fixedly connected to the extrusion block, the bottom of the arc-shaped rod is fixedly connected to the auxiliary block, and the auxiliary block is inclined;

[0013] The convenient moving component comprises a fixed concave plate, a third rotating rod, a rotating disk, a third sliding plate, a universal wheel, a connecting rod, a double-headed motor, a fourth rotating rod and a bevel gear set. The end of the support plate away from the fixed box is fixedly connected to the fixed concave plate, the inner side of the top of the support plate is rotatably connected to the third rotating rod, and the third rotating rod extends to the outer side of one end of the inner side of the fixed concave plate and is fixedly connected to the rotating disk. The inner bottom of the fixed concave plate is slidably connected to the third sliding plate, and the bottom of the third sliding plate is fixedly connected to the universal wheel. A connecting rod is provided between the third sliding plate and the rotating disk. The top of the connecting rod and the centrifugal position of the rotating disk are rotatably connected, and the bottom of the connecting rod and the top of the third sliding plate are rotatably connected. Reserved grooves are provided on the inner sides of both ends of the fixed box, and the end of the third rotating rod away from the rotating disk extends to the inner side of the reserved groove, and a double-headed motor is fixedly connected to the middle part of the inner side of the reserved groove, and the output ends on both sides of the double-headed motor are fixedly connected to the fourth rotating rod, and a bevel gear group is provided on the side of the fourth rotating rod away from the double-headed motor, and the fourth rotating rod drives the third rotating rod to rotate through the bevel gear group.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model provides a leakage current tester measurement and calibration device, which can clamp a variety of different types of detection heads, thereby improving the application range of the calibration device, and at the same time can expand the moving range of the detection head, thereby improving the detection effect on the position to be tested.

[0016] The utility model provides a leakage current tester measurement and calibration device, which can make the calibration device easy to move, thereby reducing the workload of staff in carrying or moving the calibration device and improving the convenience of the calibration device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the overall structure of a leakage current tester measurement and calibration device provided by the utility model;

[0019] Figure 2 A schematic diagram of the exploded structure of a leakage current tester measurement and calibration device provided by the utility model;

[0020] Figure 3 A schematic diagram of the structure of a support plate of a leakage current tester measurement and calibration device provided by the utility model;

[0021] Figure 4 A schematic diagram of the structure of a movable horizontal plate of a leakage current tester measurement and calibration device provided by the utility model;

[0022] Figure 5 A schematic diagram of the structure of a fixed plate of a leakage current tester measurement and calibration device provided by the utility model;

[0023] Figure 6 A leakage current tester measurement and calibration device provided by the utility model Figure 5 A schematic diagram of the structure at A;

[0024] Figure 7 A structural schematic diagram of a fixed concave plate of a leakage current tester measurement and calibration device provided by the utility model;

[0025] Figure 8 A leakage current tester measurement and calibration device provided by the utility model Figure 7 Schematic diagram of the structure at point B.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Fixing box; 2. Detection module; 3. Calibration module; 4. Adjustment composite component; 5. Convenient moving component; 6. Support plate; 7. Placement base; 8. First threaded rod; 9. First motor; 10. Support column; 11. Sliding block; 12. Second threaded rod; 13. Second motor; 14. Moving horizontal plate; 15. First sliding plate; 16. Second sliding plate; 17. Fixed arc plate; 18. First rotating rod; 19. First gear; 20. Second rotating rod; 21. Second gear; 22 , chain; 23, the third motor; 24, fixed plate; 25, central control plate; 26, connecting block; 27, electric push rod; 28, moving block; 29, fixed plate; 30, fixed shaft; 31, arc rod; 32, clamping plate; 33, spring; 34, extrusion block; 35, auxiliary block; 36, fixed concave plate; 37, third rotating rod; 38, rotating plate; 39, third sliding plate; 40, universal wheel; 41, connecting rod; 42, double-headed motor; 43, fourth rotating rod; 44, bevel gear set. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0029] As mentioned in the background art, since the range of movement of the detection head driven by the clamping assembly set in this patent is relatively fixed, the detection head cannot be better adjusted to the position to be tested. Secondly, the clamping distance of the clamping assembly is relatively fixed, so it cannot be applicable to various models of detection heads. At the same time, the calibration device is more difficult to move when it needs to be moved, which will reduce the convenience of the calibration device.

[0030] In order to solve this technical problem, the utility model provides a leakage current tester measurement and calibration device, which can clamp a variety of different types of detection heads, thereby improving the applicability of the calibration device, and at the same time can expand the moving range of the detection head, thereby improving the detection effect of the position to be tested.

[0031] Specifically, please refer to Figure 1-Figure 2 A leakage current tester measurement and calibration device specifically includes a fixed box 1, one end of the inner side of the fixed box 1 is fixedly connected to a detection module 2, the other end of the inner side of the fixed box 1 is fixedly connected to a calibration module 3, an adjustment composite component 4 is installed at the bottom of the fixed box 1, and both ends of the adjustment composite component 4 are fixedly connected to convenient moving components 5.

[0032] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0033] Embodiment 1:

[0034] Please refer to Figure 1-Figure 2 A leakage current tester measurement and calibration device includes a fixed box 1, one end of the inner side of the fixed box 1 is fixedly connected to a detection module 2, the other end of the inner side of the fixed box 1 is fixedly connected to a calibration module 3, an adjustment composite component 4 is installed at the bottom of the fixed box 1, and both ends of the adjustment composite component 4 are fixedly connected to convenient moving components 5.

[0035] When in use, the device can be moved to a suitable position to be tested by setting the convenient moving component 5, and then the detection head can be clamped and moved by adjusting the setting of the composite component 4, and the detection can be performed by setting the detection module 2 and the calibration module 3;

[0036] The detection module 2 and the calibration module 3 are prior art in an automatic measurement and calibration device for a leakage current tester with the authorized patent number "CN213581320", which will not be described in detail here.

[0037] Embodiment 2:

[0038] This embodiment 2 is used to further disclose the specific structure of the adjustment composite component 4 on the premise of the above embodiment. By adjusting the composite component 4 and coordinating with the structures in the above embodiment, it is possible to clamp a variety of different types of detection heads, thereby improving the applicability of the calibration device. At the same time, it is possible to expand the moving range of the detection head, thereby improving the detection effect on the position to be measured.

[0039] The leakage current tester measurement and calibration device provided in Example 1 is further optimized. Specifically, Figure 3-Figure 6 As shown, the adjustment composite component 4 includes a support plate 6, a placement base 7, a first threaded rod 8, a first motor 9, a support column 10 and a sliding block 11. Two support plates 6 are fixedly connected to the bottom of both ends of the fixed box 1. A placement base 7 is provided at the bottom of both ends of the fixed box 1, and the bottom of each two support plates 6 is fixedly connected to the placement base 7 at the same end. A first rotating groove is opened on the inner side of the top of the placement base 7, and the rotating connecting member inside the first rotating groove has a first threaded rod 8. The outside of the placement base 7 is fixedly connected to the first motor 9, and the output end of the first motor 9 extends to the inside of the first rotating groove and is fixedly connected to the first threaded rod 8. The support column 10 is slidably connected to the inside of the first rotating groove, and the bottom of the support column 10 is threadedly connected to the first threaded rod 8. The top of the support column 10 is fixedly connected to the sliding block 11, and the top of the support column 10 is slidably connected to the bottom of the fixed box 1 through the sliding block 11.

[0040] The adjustment composite component 4 also includes a second threaded rod 12, a second motor 13, a movable transverse plate 14, a first sliding plate 15, a second sliding plate 16, a fixed arc plate 17, a first rotating rod 18, a first gear 19, a second rotating rod 20, a second gear 21, a chain 22 and a third motor 23. The adjacent ends of the two support columns 10 are each provided with a second rotating groove, the inner side of the second rotating groove is rotatably connected to the second threaded rod 12, the inner bottom of the second rotating groove is fixedly connected to the second motor 13, the output end of the second motor 13 is fixedly connected to the bottom of the second threaded rod 12, a movable transverse plate 14 is arranged between the two support columns 10, both ends of the movable transverse plate 14 are slidably connected to the first sliding plate 15, and the end of the first sliding plate 15 away from the movable transverse plate 14 is rotatably connected to the second The sliding plate 16, the second sliding plate 16 extends to the inner side of the second rotating groove and is threadedly connected to the second threaded rod 12, the top of the moving horizontal plate 14 is fixedly connected to a fixed arc plate 17, the middle part of the moving horizontal plate 14 is rotatably connected to a first rotating rod 18, the top outer side of the first rotating rod 18 is fixedly connected to a first gear 19, the tops of both ends of the moving horizontal plate 14 are rotatably connected to second rotating rods 20, the outer side of the second rotating rod 20 is fixedly connected to a second gear 21, a chain 22 is arranged on the top of the moving horizontal plate 14, the chain 22 is meshed with the first gear 19 and the second gear 21, one end of the top of the fixed arc plate 17 is fixedly connected to a third motor 23, and the output end of the third motor 23 passes through the inner side of the fixed arc plate 17 and is fixedly connected to one of the second rotating rods 20.

[0041] The adjustment composite component 4 also includes a fixed disk 24, a central control disk 25, a connecting block 26, an electric push rod 27, a moving block 28, a fixed plate 29 and a fixed shaft 30. The bottom of the first rotating rod 18 is fixedly connected to the fixed disk 24, and the central control disk 25 is arranged at the bottom of the fixed disk 24. A plurality of connecting blocks 26 are arranged between the fixed disk 24 and the central control disk 25, and the top of the connecting block 26 is fixedly connected to the fixed disk 24, and the bottom of the connecting block 26 is also fixedly connected to the central control disk 25. An electric push rod 27 is fixedly connected to the center of the bottom of the fixed disk 24, and the output end of the electric push rod 27 extends to the bottom of the central control disk 25 and is fixedly connected to the moving block 28. Both ends of the bottom of the central control disk 25 are fixedly connected to fixed plates 29, and a movable groove is opened at the bottom of the fixed plate 29, and a fixed shaft 30 is fixedly connected to the inner side of the movable groove.

[0042] The adjustment composite component 4 also includes an arc rod 31, a clamping plate 32, a spring 33, an extrusion block 34 and an auxiliary block 35. The two ends of the movable block 28 are rotatably connected to the arc rod 31, and the middle part of the arc rod 31 is rotatably connected to the fixed shaft 30. The bottom of the arc rod 31 is rotatably connected to the clamping plate 32. The adjacent ends of the two clamping plates 32 are each provided with an arc groove, and a plurality of springs 33 are fixedly connected to the inner side of the arc groove. The end of the spring 33 away from the clamping plate 32 is fixedly connected to the extrusion block 34, and the bottom of the arc rod 31 is fixedly connected to the auxiliary block 35, and the auxiliary block 35 is inclined.

[0043] Specifically: when in use, by turning on the second motor 13, the second threaded rod 12 can be driven to rotate, and then the second sliding plate 16 threadedly connected to the second threaded rod 12 can be driven to move up and down inside the second rotating groove, and then the second sliding plate 16 can be used to drive the moving cross plate 14 to move up and down synchronously between the two support columns 10, and then the clamping plate 32 can be moved to both sides of the detection head;

[0044] After the two clamping plates 32 are moved to both sides of the detection head, the electric push rod 27 can be turned on to drive the moving block 28 to move downward. When the moving block 28 moves downward, the arc rod 31 will be driven to move downward synchronously. At the same time, through the rotation cooperation between the arc rod 31 and the fixed shaft 30, when the top of the arc rod 31 is driven downward by the moving block 28, the bottom of the arc rod 31 will move away from the detection head, and then the two clamping plates 32 can be driven to move synchronously and open, so that various detection heads can be clamped.

[0045] Then, the electric push rod 27 can be turned on to drive the moving block 28 to move upward, and then the arc rod 31 and the fixed shaft 30 can be rotatably connected to drive the bottom of the two arc rods 31 to approach the center of the detection head, and then the two clamping plates 32 can be driven to clamp the detection head;

[0046] By setting the spring 33, the space for clamping the detection head can be increased, so that it can be suitable for detection heads of more models and shapes. At the same time, by setting the squeezing block 34, the clamping effect of the detection head can be further improved.

[0047] The auxiliary block 35 can be provided to prevent the clamping plate 32 from driving the arc groove vertically downward due to gravity, thereby improving the clamping effect of the clamping plate 32 on the detection head.

[0048] After the detection head is clamped, the third motor 23 can be turned on to drive the second rotating rod 20 at the output end of the third motor 23 to rotate, and then the second gear 21 fixedly connected to the second rotating rod 20 can be driven to rotate synchronously. Through the setting of the chain 22, the first gear 19 on the outer side of the first rotating rod 18 can be driven to rotate synchronously while the second gear 21 rotates, and the fixed plate 24 at the bottom of the first rotating rod 18 can be driven to rotate synchronously, and then the detection head clamped below the fixed plate 24 can be adjusted to rotate itself. The angle;

[0049] By being able to control the second motor 13 separately, the two second sliding plates 16 can be driven to move to different heights inside the second rotating groove inside the two support columns 10. At the same time, through the sliding connection setting of the first sliding plate 15 and the two ends of the movable horizontal plate 14, when the second sliding plate 16 moves to different heights, it can play a connection effect with the movable horizontal plate 14, thereby improving the stability of detection, so that after the detection head is clamped, the angle of the detection head can be adjusted, thereby improving the detection effect;

[0050] By turning on the first motor 9, the first threaded rod 8 can be driven to rotate, and then the support column 10 threadedly connected to the first threaded rod 8 can be driven to move inside the first rotating groove, so as to drive the detection head to further expand the moving range, thereby improving the detection effect of the area to be tested. While the support column 10 moves, the sliding block 11 on the top of the support column 10 will slide synchronously with the bottom of the fixed box 1. Through the setting of the sliding block 11, the stability of the support column 10 during the movement can be improved, thereby improving the accuracy of the detection.

[0051] Embodiment 3:

[0052] This embodiment 3 is used to further disclose the specific structure of the convenient mobile component 5 on the premise of the above embodiments. By coordinating the convenient mobile component 5 with the structures in the above embodiments, the calibration device can be easily moved, thereby reducing the workload of the staff in carrying or moving the calibration device and improving the convenience of the calibration device.

[0053] The leakage current tester measurement and calibration device provided in Example 1 and Example 2 is further optimized. Specifically, Figure 7-Figure 8As shown, the convenient moving component 5 includes a fixed concave plate 36, a third rotating rod 37, a rotating disk 38, a third sliding plate 39, a universal wheel 40, a connecting rod 41, a double-headed motor 42, a fourth rotating rod 43 and a bevel gear set 44. The end of the support plate 6 away from the fixed box 1 is fixedly connected to the fixed concave plate 36, the inner side of the top of the support plate 6 is rotatably connected to the third rotating rod 37, and the third rotating rod 37 extends to the outer side of one end of the inner side of the fixed concave plate 36 and is fixedly connected to the rotating disk 38. The inner bottom of the fixed concave plate 36 is slidably connected to the third sliding plate 39, and the bottom of the third sliding plate 39 is fixedly connected to the universal wheel 40. The third sliding plate 39 and the rotating A connecting rod 41 is arranged between the disks 38, and the top of the connecting rod 41 and the centrifugal position of the rotating disk 38 are rotatably connected, and the bottom of the connecting rod 41 and the top of the third sliding plate 39 are rotatably connected. Reserved grooves are provided on the inner sides of both ends of the fixed box 1, and the end of the third rotating rod 37 away from the rotating disk 38 extends to the inner side of the reserved groove, and a double-headed motor 42 is fixedly connected to the middle part of the inner side of the reserved groove, and the output ends on both sides of the double-headed motor 42 are fixedly connected to the fourth rotating rod 43, and a bevel gear group 44 is provided on the side of the fourth rotating rod 43 away from the double-headed motor 42, and the fourth rotating rod 43 drives the third rotating rod 37 to rotate through the bevel gear group 44.

[0054] Specifically, by turning on the double-headed motor 42, the fourth rotating rod 43 can be driven to rotate synchronously, and then the bevel gear set 44 can be set to drive the third rotating rod 37 to rotate synchronously during the rotation of the fourth rotating rod 43, and then the rotating disk 38 fixedly connected to the other end of the third rotating rod 37 can be driven to rotate on the inner side of the fixed concave plate 36 with the third rotating rod 37 as the center of the circle;

[0055] Then, the top of the connecting rod 41 can be driven to move with the rotating disk 38 as the center, and at the same time, the bottom of the connecting rod 41 will drive the third sliding plate 39 to slide inside the fixed concave plate 36. At the same time, the movement range of the connecting rod 41 can be adjusted by the rotation connection setting between the top of the connecting rod 41 and the centrifugal position of the rotating disk 38, thereby forming an effect of driving the third sliding plate 39 to reciprocate inside the fixed concave plate 36, and driving the universal wheel 40 to reciprocate synchronously;

[0056] When the universal wheel 40 contacts the ground, the movement of the calibration device can be facilitated, thereby improving the convenience of the calibration device. After the universal wheel 40 is retracted to the inner side of the fixed concave plate 36, the fixing effect of the calibration device can be facilitated, thereby improving the accuracy of the calibration device.

Claims

1. A leakage current tester measurement and calibration device, comprising a fixed box (1), one end of the inner side of the fixed box (1) is fixedly connected to a detection module (2), and the other end of the inner side of the fixed box (1) is fixedly connected to a calibration module (3), characterized in that: An adjustment composite component (4) is installed at the bottom of the fixed box (1), and both ends of the adjustment composite component (4) are fixedly connected with convenient moving components (5); The adjustment composite component (4) comprises a support plate (6), a placement base (7), a first threaded rod (8), a first motor (9), a support column (10) and a sliding block (11); the bottoms of both ends of the fixed box (1) are fixedly connected to two support plates (6); the bottoms of both ends of the fixed box (1) are provided with placement bases (7); and the bottoms of each of the two support plates (6) are fixedly connected to the placement base (7) at the same end; a first rotation groove is provided on the inner side of the top of the placement base (7); and the rotation connection member inside the first rotation groove has a first threaded rod ( 8), a first motor (9) is fixedly connected to the outside of the placing base (7), and the output end of the first motor (9) extends to the inside of the first rotating groove and is fixedly connected to the first threaded rod (8), a support column (10) is slidably connected to the inside of the first rotating groove, and the bottom of the support column (10) is threadedly connected to the first threaded rod (8), a sliding block (11) is fixedly connected to the top of the support column (10), and the top of the support column (10) is slidably connected to the bottom of the fixed box (1) through the sliding block (11); The adjustment composite component (4) further comprises a second threaded rod (12), a second motor (13), a movable transverse plate (14), a first sliding plate (15), a second sliding plate (16), a fixed arc plate (17), a first rotating rod (18), a first gear (19), a second rotating rod (20), a second gear (21), a chain (22) and a third motor (23); a second rotating groove is provided at one adjacent end of the two support columns (10); a second threaded rod (12) is rotatably connected to the inner side of the second rotating groove; a second motor (13) is fixedly connected to the inner bottom of the second rotating groove; an output end of the second motor (13) and a bottom of the second threaded rod (12) are fixedly connected; a movable transverse plate (14) is provided between the two support columns (10); both ends of the movable transverse plate (14) are slidably connected to the first sliding plate (15); an end of the first sliding plate (15) away from the movable transverse plate (14) is rotatably connected to the second sliding plate (1 6), the second sliding plate (16) extends to the inner side of the second rotating groove and is threadedly connected to the second threaded rod (12), the top of the movable horizontal plate (14) is fixedly connected to a fixed arc plate (17), the middle of the movable horizontal plate (14) is rotatably connected to a first rotating rod (18), the top outer side of the first rotating rod (18) is fixedly connected to a first gear (19), the tops of both ends of the movable horizontal plate (14) are rotatably connected to second rotating rods (20), the outer side of the second rotating rod (20) is fixedly connected to a second gear (21), a chain (22) is arranged on the top of the movable horizontal plate (14), the chain (22) is meshed with the first gear (19) and the second gear (21), one end of the top of the fixed arc plate (17) is fixedly connected to a third motor (23), and the output end of the third motor (23) passes through the inner side of the fixed arc plate (17) and is fixedly connected to one of the second rotating rods (20); The adjustment composite assembly (4) further comprises a fixed disk (24), a central control disk (25), a connecting block (26), an electric push rod (27), a moving block (28), a fixed plate (29) and a fixed shaft (30); the bottom of the first rotating rod (18) is fixedly connected to the fixed disk (24); the bottom of the fixed disk (24) is provided with a central control disk (25); a plurality of connecting blocks (26) are provided between the fixed disk (24) and the central control disk (25); and the top of the connecting block (26) is connected to the fixed disk ( 24) is a fixed connection arrangement, the bottom of the connecting block (26) is also fixedly connected to the central control panel (25), the bottom center of the fixed panel (24) is fixedly connected with an electric push rod (27), the output end of the electric push rod (27) extends to the bottom of the central control panel (25) and is fixedly connected with a moving block (28), both ends of the bottom of the central control panel (25) are fixedly connected with a fixed plate (29), the bottom of the fixed plate (29) is provided with a movable groove, and the inner side of the movable groove is fixedly connected with a fixed shaft (30); The adjustment composite component (4) further comprises an arc-shaped rod (31), a clamping plate (32), a spring (33), an extrusion block (34) and an auxiliary block (35); both ends of the moving block (28) are rotatably connected to the arc-shaped rod (31), and the middle portion of the arc-shaped rod (31) is rotatably connected to the fixed shaft (30); the bottom of the arc-shaped rod (31) is rotatably connected to the clamping plate (32); the adjacent ends of the two clamping plates (32) are each provided with an arc-shaped groove, a plurality of springs (33) are fixedly connected to the inner side of the arc-shaped groove, the end of the spring (33) away from the clamping plate (32) is fixedly connected to the extrusion block (34); the bottom of the arc-shaped rod (31) is fixedly connected to the auxiliary block (35), and the auxiliary block (35) is arranged in an inclined manner; The convenient moving assembly (5) comprises a fixed concave plate (36), a third rotating rod (37), a rotating disk (38), a third sliding plate (39), a universal wheel (40), a connecting rod (41), a double-headed motor (42), a fourth rotating rod (43) and a bevel gear set (44); one end of the support plate (6) away from the fixed box (1) is fixedly connected to the fixed concave plate (36); the inner side of the top of the support plate (6) is rotatably connected to the third rotating rod (37); the outer side of the third rotating rod (37) extending to the inner side of one end of the fixed concave plate (36) is fixedly connected to the rotating disk (38); the inner bottom of the fixed concave plate (36) is slidably connected to the third sliding plate (39); the bottom of the third sliding plate (39) is fixedly connected to the universal wheel (40); the third sliding plate (39) and the rotating disk (38), a connecting rod (41) is arranged between the top of the connecting rod (41) and the centrifugal position of the rotating disk (38) for rotational connection, and the bottom of the connecting rod (41) and the top of the third sliding plate (39) for rotational connection, both ends of the fixed box (1) are provided with reserved grooves on the inner sides, and the end of the third rotating rod (37) away from the rotating disk (38) extends to the inner side of the reserved groove, a double-headed motor (42) is fixedly connected to the middle of the inner side of the reserved groove, the output ends on both sides of the double-headed motor (42) are fixedly connected to the fourth rotating rod (43), the side of the fourth rotating rod (43) away from the double-headed motor (42) is provided with a bevel gear group (44), and the fourth rotating rod (43) drives the third rotating rod (37) to rotate through the bevel gear group (44).

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