CN116773361A - Pressure-resistant testing device for wheelchair frame - Google Patents
Pressure-resistant testing device for wheelchair frame Download PDFInfo
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- CN116773361A CN116773361A CN202311074942.XA CN202311074942A CN116773361A CN 116773361 A CN116773361 A CN 116773361A CN 202311074942 A CN202311074942 A CN 202311074942A CN 116773361 A CN116773361 A CN 116773361A
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- rod
- pressure
- wheelchair frame
- testing device
- plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 abstract description 3
- 244000309464 bull Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The invention belongs to the technical field of detection equipment, in particular to a pressure-resistant testing device of a wheelchair frame, which aims at the problems that the existing testing device can only test a single position of the wheelchair frame when testing other direction positions, needs to be reinstalled and is inconvenient for people to use, and the pressure-resistant testing device is provided with a base. The invention has simple operation and convenient use, can be used for conveniently and rapidly clamping, pressing and fixing the wheelchair frame, further can be used for pressing and testing the wheelchair frame in different directions, and is convenient for people to use.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a pressure-resistant testing device for a wheelchair frame.
Background
The wheelchair is divided into an electric folding wheelchair and a manual folding wheelchair, and is used as an important moving tool for the home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, and not only meets the requirements of the disabled persons and the mobility impaired persons, but also is convenient for the family members to move and care the patients, so that the patients can exercise and participate in social activities by means of the wheelchair. The frame of the wheelchair plays a role in fixing the body, and the pressure resistance of the wheelchair is related to the service life and the use safety of the wheelchair.
The utility model provides a be disclosed in 202020505517. X's the patent document that the application number is a wheelchair frame withstand voltage testing arrangement, belongs to detection technical equipment field, including frame (1), mount (2) and test part (3), be equipped with workstation (11) on frame (1), on workstation (11) are located to mount (2), be equipped with slide (22) on mount (2), test part (3) are located slide (22) top to link to each other with frame (1). The pressure-resistant testing device of the wheelchair frame can conduct pressure-resistant testing on the wheelchair frame, ensure the use safety of the wheelchair and improve the qualification rate of products.
The existing testing device is used for testing the wheelchair frame, only a single position of the wheelchair frame can be tested, and when other direction positions need to be tested, the existing testing device needs to be reinstalled, is complex in operation and is inconvenient for people to use, so that the pressure-resistant testing device for the wheelchair frame is provided.
Disclosure of Invention
The invention aims to solve the defects that the existing testing device only can test a single position of a wheelchair frame when testing other direction positions, needs to be reinstalled, is complex in operation and is inconvenient for people to use, and provides a pressure-resistant testing device for the wheelchair frame.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a withstand voltage testing arrangement of wheelchair frame, includes the base, the top fixed mounting of base has the backup pad that two symmetries set up, and the top fixed mounting of two backup pads has same roof, the top fixed mounting of roof has the cylinder, fixed mounting has the push pedal on the piston of cylinder, and pressure sensor is installed to the bottom of push pedal, installs the clamp plate on the pressure sensor, the top fixed mounting of base has the backing plate, rotate on the backing plate and be connected with and place the cover, the bottom plate of placing the cover is installed, place the through-hole that four symmetries set up on the cover, the through-hole cooperatees with the clamp plate, be equipped with fixture in the backup pad, it is equipped with pressing mechanism on the cover to place, pressing mechanism is connected with fixture transmission, the top fixed mounting of roof has first motor, and fixture transmission connection, be equipped with rotary mechanism on the backing plate, fixed mounting has the second motor in one backup pad in two backup pads, second motor and rotary mechanism transmission connection, the controller is installed at the top of roof.
Preferably, the clamping mechanism comprises two threaded columns, the two threaded columns are slidably mounted on the two support plates, one end of each threaded column is movably connected with a push rod, the push rods are movably connected with the placing cover, and clamping plates are fixedly mounted at one ends of the two push rods, which are close to each other.
Preferably, the pressing mechanism comprises a pressing frame, the two sides of the placing cover are both slidably connected with moving plates, threaded rods are fixedly arranged on the moving plates, and the pressing frame is fixedly connected with the two threaded rods.
Preferably, the rotating mechanism comprises a rotating rod, the output shaft of the second motor is fixedly provided with the rotating rod, the rotating rod is fixedly provided with a driving gear, one side of the placing cover is fixedly provided with an outer gear ring, and the driving gear is meshed with the outer gear ring.
Preferably, the base is connected with the driving rod that two symmetries set up in the rotation between the roof, and two driving rods transmission are connected, and the output shaft of first motor is fixed with corresponding driving rod, and fixed cover is equipped with the sprocket on the driving rod, and the meshing has same chain on two sprockets.
Preferably, one side that two backup pads are close to each other all rotates and is connected with the worm wheel, worm wheel and corresponding screw thread post threaded connection, fixed mounting have worm on the driving lever, worm and the worm wheel intermeshing that corresponds, and one side that two backup pads are close to each other all fixed mounting has the locating box, and the locating box rotates with the driving lever that corresponds to be connected.
Preferably, a buffer groove is formed in one side of the threaded column, a movable block is connected to the inner wall of the buffer groove in a sliding mode, the movable block is connected with the corresponding ejector rod in a rotating mode, a buffer spring is fixedly mounted on one side of the movable block, and one end of the buffer spring is fixedly connected with the inner wall of the buffer groove.
Preferably, the sliding hole is formed in the supporting plate, the sliding hole is in sliding connection with the threaded column, limit grooves are formed in two sides of the threaded column, limit blocks are connected to the inner walls of the limit grooves in a sliding mode, and the limit blocks are fixedly connected with the inner walls of the sliding hole.
Preferably, one side of the threaded column is rotationally connected with a connecting block, a fixed rod is fixedly installed on the connecting block, a hinge rod is rotationally connected on the fixed rod, and the hinge rod is rotationally connected with a corresponding moving plate.
Preferably, the locating holes are formed in two sides of the placing cover, the sliding rods are fixedly mounted on the inner walls of the locating holes, and the sliding rods are in sliding connection with the moving plates.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, as the two chain wheels are meshed with the chain, the worm is meshed with the worm wheel, and meanwhile, the worm wheel is connected with the threads of the threaded column, the output shaft of the first motor can drive the two driving rods to rotate simultaneously, and then the threaded column, the ejector rod and the clamping plate are driven to clamp and position the wheelchair frame;
(2) Because the hinging rod is rotationally connected with the moving plate and the fixed rod, the moving connecting block can drive the moving plate to move in position, and then the pressing frame is driven to press and fix the wheelchair frame;
(3) Because the driving gear is meshed with the outer gear ring, the rotating rod can drive the placing cover to rotate, so that the pressing test is carried out on different positions of the wheelchair frame.
The invention has simple operation and convenient use, can be used for conveniently and rapidly clamping, pressing and fixing the wheelchair frame, further can be used for pressing and testing the wheelchair frame in different directions, and is convenient for people to use.
Drawings
FIG. 1 is a schematic three-dimensional structure of a pressure-resistant testing device for a wheelchair frame according to the present invention;
FIG. 2 is a schematic diagram showing a cross-sectional front view of a pressure-proof testing device for a wheelchair frame according to the present invention;
FIG. 3 is a schematic side view of a housing of a pressure test device for a wheelchair frame according to the present invention;
FIG. 4 is a schematic cross-sectional view of a support plate and a threaded column of a pressure-resistant testing device for a wheelchair frame according to the present invention;
fig. 5 is a schematic diagram of a portion a of a pressure-resistant testing device for a wheelchair frame according to the present invention.
In the figure: 1. a base; 2. a support plate; 3. a top plate; 4. a backing plate; 5. placing a cover; 6. a bottom plate; 7. a through hole; 8. a threaded column; 9. a push rod; 10. a clamping plate; 11. a first motor; 12. a driving rod; 13. a worm wheel; 14. a worm; 15. a positioning box; 16. a connecting block; 17. a fixed rod; 18. a hinge rod; 19. a moving plate; 20. a threaded rod; 21. pressing the frame; 22. a rotating plate; 23. a second motor; 24. a rotating rod; 25. a drive gear; 26. an outer toothed ring; 27. a cylinder; 28. a push plate; 29. a pressure sensor; 30. a pressing plate; 31. a controller; 32. a sliding hole; 33. a limit groove; 34. a limiting block; 35. a buffer tank; 36. a movable block; 37. a buffer spring; 38. positioning holes; 39. a slide bar; 40. a sprocket; 41. and (3) a chain.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present embodiment, not all embodiments.
Referring to fig. 1-5, the present invention provides a pressure-proof testing device for a wheelchair frame.
Embodiment one: the pressure-resistant testing device for the wheelchair frame comprises a base 1, two symmetrically arranged supporting plates 2 are fixedly arranged at the top of the base 1, the same top plate 3 is fixedly arranged at the top of the two supporting plates 2, an air cylinder 27 is fixedly arranged at the top of the top plate 3, a push plate 28 is fixedly arranged on a piston of the air cylinder 27, a pressure sensor 29 is arranged at the bottom of the push plate 28, the pressure sensor 29 is arranged to be convenient for monitoring testing pressure, so that when the wheelchair frame is deformed, the specific impact pressure is measured, a pressing plate 30 is arranged on the pressure sensor 29, a base plate 4 is fixedly arranged at the top of the base 1, a placing cover 5 is rotatably connected on the base plate 4, a bottom plate 6 is arranged at the bottom of the placing cover 5, the setting of bottom plate 6 can be convenient for place the concrete direction of frame wheelchair to press fixedly through pressing mechanism, set up four through-holes 7 that the symmetry set up on placing the cover 5, through-hole 7 and clamp plate 30 mutually support, the setting of four through-holes 7 can be convenient for clamp plate 30 press the test through four directions, be equipped with fixture in the backup pad 2, be equipped with pressing mechanism on placing the cover 5, pressing mechanism is connected with fixture transmission, the top fixed mounting of roof 3 has first motor 11, first motor 11 is connected with fixture transmission, be equipped with rotary mechanism on the backing plate 4, fixed mounting has second motor 23 on one backup pad 2 in two backup pads 2, second motor 23 is connected with the rotary mechanism transmission, controller 31 is installed at the top of roof 3.
In this embodiment, the clamping mechanism includes two threaded columns 8, the two threaded columns 8 are slidably mounted on the two support plates 2, one end of each threaded column 8 is movably connected with a push rod 9, the push rod 9 is movably connected with the placing cover 5, one ends of the two push rods 9, which are close to each other, are fixedly mounted with clamping plates 10, two symmetrically arranged driving rods 12 are rotatably connected between the base 1 and the top plate 3, the two driving rods 12 are in transmission connection, an output shaft of the first motor 11 is fixedly connected with the corresponding driving rod 12, a sprocket 40 is fixedly sleeved on the driving rod 12, the two sprockets 40 are engaged with the same chain 41, the two sprockets 40 are engaged with the chain 41, so that when the output shaft of the first motor 11 rotates, the two driving rods 12 can be driven to rotate, one sides, which are close to each other, of the two support plates 2 are rotatably connected with worm gears 13, the worm gears 13 are in threaded connection with the corresponding threaded columns 8, the driving rod 12 is fixedly provided with a worm 14, the worm 14 is meshed with the corresponding worm wheel 13, one side, close to each other, of the two supporting plates 2 is fixedly provided with a positioning box 15, the positioning box 15 is rotationally connected with the corresponding driving rod 12, one side of the threaded column 8 is provided with a buffer groove 35, the inner wall of the buffer groove 35 is slidingly connected with a movable block 36, the movable block 36 is rotationally connected with the corresponding ejector rod 9, one side of the movable block 36 is fixedly provided with a buffer spring 37, one end of the buffer spring 37 is fixedly connected with the inner wall of the buffer groove 35, the movable block 36 is slidingly connected with the buffer groove 35, and the buffer spring 37 acts to buffer the ejector rod 9, the supporting plates 2 are provided with sliding holes 32, the sliding holes 32 are slidingly connected with the threaded column 8, two sides of the threaded column 8 are provided with limit grooves 33, the inner wall of the limit grooves 33 is slidingly connected with limit blocks 34, the limiting block 34 is fixedly connected with the inner wall of the sliding hole 32, and the limiting groove 33 is in sliding connection with the limiting block 34, so that the thread column 8 and the supporting plate 2 can be limited.
In this embodiment, pressing mechanism includes presses the frame 21, place the equal sliding connection in both sides of cover 5 and have movable plate 19, fixed mounting has threaded rod 20 on the movable plate 19, press frame 21 and two threaded rods 20 fixed connection, one side rotation of screw post 8 is connected with connecting block 16, fixed mounting has dead lever 17 on the connecting block 16, rotate on the dead lever 17 and be connected with articulated lever 18, articulated lever 18 rotates with corresponding movable plate 19 to be connected, the locating hole 38 has all been seted up to the both sides of placing the cover 5, fixed mounting has slide bar 39 on the inner wall of locating hole 38, slide bar 39 and movable plate 19 sliding connection, the screw post 8 of removal promotes movable plate 19 through articulated lever 18 on the dead lever 17 and removes, and then change the direction of movement, thereby form and press fixed effect.
In this embodiment, rotary mechanism includes bull stick 24, fixed mounting has bull stick 24 on the output shaft of second motor 23, fixed mounting has driving gear 25 on the bull stick 24, and one side fixed mounting who places the cover 5 has outer ring gear 26, and driving gear 25 intermeshes with outer ring gear 26, and pivoted bull stick 24 passes through the intermesh of driving gear 25 and outer ring gear 26 to can drive to place the cover 5 and rotate, and then can change the direction of wheelchair frame, be convenient for carry out the roof pressure test to the different directions of wheelchair frame.
The working principle, the during operation is placed the wheelchair frame on bottom plate 6, and start first motor 11 switch, the output shaft of first motor 11 drives two initiative poles 12 through the intermeshing of two sprocket 40 and chain 41 and rotates simultaneously, pivoted initiative pole 12 drives worm wheel 13 through worm 14 and the intermeshing of worm wheel 13 and rotates, pivoted worm wheel 13 is through the threaded connection with screw thread post 8, and limit groove 33 and stopper 34's sliding connection, thereby can drive screw thread post 8 and remove, screw thread post 8 passes through ejector pin 9 and drives splint 10 and carry out the centre gripping location to the wheelchair frame, and buffer spring 37 passes through buffer groove 35 and carries out the buffering to ejector pin 9, the screw thread post 8 that removes drives connecting block 16 simultaneously and remove, connecting block 16 is through the swivelling joint with articulated pole 18, and articulated pole 18 is connected with the rotation of movable plate 19, thereby can drive and press frame 21 to press down the wheelchair frame fixedly, start cylinder 27 switch, the piston of cylinder 27 drives push pedal 28 and moves down, and push pedal 28 carries out the pressure test to the wheelchair frame through clamp plate 30, simultaneously, detect pressure through sensor 29, when need carry out the pressure test to the motor to the different directions, second motor 23 passes through the push rod 24 and drive the wheel rod 24 and then rotates through the annular ring 25 and makes the wheel carrier 25 and can change through the rotation of drive of wheel spindle 25 and change, and drive the frame through the annular gear 25 and can make and change.
Embodiment two: the difference between the present embodiment and the first embodiment is that the bottom of the moving plate 19 is rotatably connected with the rotating plate 22, the threaded rod 20 is slidably connected with the moving plate 19, the rotating plate 22 is in threaded connection with the threaded rod 20, when the wheelchair frames with different heights need to be fixed, the rotating plate 22 is rotated, and the rotating plate 22 is in threaded connection with the threaded rod 20, so that the pressing frame 21 can be driven to press and fix the wheelchair frames with different heights, thereby being convenient for operation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present invention and the inventive concept thereof, within the scope of the present invention.
Claims (10)
1. The utility model provides a withstand voltage testing arrangement of wheelchair frame, includes base (1), its characterized in that, the top fixed mounting of base (1) has two backup pads (2) that set up symmetrically, and the top fixed mounting of two backup pads (2) has same roof (3), the top fixed mounting of roof (3) has cylinder (27), fixed mounting has push pedal (28) on the piston of cylinder (27), and pressure sensor (29) are installed to the bottom of push pedal (28), installs clamp plate (30) on pressure sensor (29), the top fixed mounting of base (1) has backing plate (4), rotate on backing plate (4) and be connected with on and place cover (5), place bottom plate (6) are installed to the bottom of cover (5), place and set up through-hole (7) and clamp plate (30) mutually support of four symmetry setting on cover (5), be equipped with fixture on backup pad (2), be equipped with pressing mechanism on place cover (5), pressing mechanism and fixture are connected with fixture transmission, the top fixed mounting of motor (11) of roof (3) has first backing plate (11) and fixture, be equipped with rotation, a second motor (23) is fixedly arranged on one supporting plate (2) of the two supporting plates (2), the second motor (23) is in transmission connection with the rotating mechanism, and a controller (31) is arranged at the top of the top plate (3).
2. The pressure-resistant testing device of a wheelchair frame according to claim 1, wherein the clamping mechanism comprises two threaded columns (8), the two threaded columns (8) are slidably mounted on the two support plates (2), one end of each threaded column (8) is movably connected with a push rod (9), the push rods (9) are movably connected with the placing cover (5), and clamping plates (10) are fixedly mounted at one ends, close to each other, of the two push rods (9).
3. The pressure-resistant testing device of a wheelchair frame according to claim 2, wherein the pressing mechanism comprises a pressing frame (21), two sides of the placing cover (5) are both connected with a moving plate (19) in a sliding manner, a threaded rod (20) is fixedly installed on the moving plate (19), and the pressing frame (21) is fixedly connected with the two threaded rods (20).
4. The pressure-resistant testing device of a wheelchair frame according to claim 1, wherein the rotating mechanism comprises a rotating rod (24), the rotating rod (24) is fixedly arranged on an output shaft of the second motor (23), a driving gear (25) is fixedly arranged on the rotating rod (24), an outer gear ring (26) is fixedly arranged on one side of the placing cover (5), and the driving gear (25) is meshed with the outer gear ring (26).
5. A pressure-resistant testing device for a wheelchair frame according to claim 3, characterized in that two symmetrically arranged driving rods (12) are rotatably connected between the base (1) and the top plate (3), the two driving rods (12) are in transmission connection, an output shaft of the first motor (11) is fixedly connected with the corresponding driving rod (12), a sprocket (40) is fixedly sleeved on the driving rod (12), and the two sprockets (40) are meshed with the same chain (41).
6. The pressure-resistant testing device of a wheelchair frame according to claim 5, characterized in that one side of each of the two support plates (2) close to each other is rotatably connected with a worm wheel (13), the worm wheel (13) is in threaded connection with a corresponding threaded column (8), a worm (14) is fixedly installed on a driving rod (12), the worm (14) is meshed with the corresponding worm wheel (13), one side of each of the two support plates (2) close to each other is fixedly installed with a positioning box (15), and the positioning box (15) is rotatably connected with a corresponding driving rod (12).
7. The pressure-resistant testing device of the wheelchair frame according to claim 6, wherein a buffer groove (35) is formed in one side of the threaded column (8), a movable block (36) is slidably connected to the inner wall of the buffer groove (35), the movable block (36) is rotatably connected with a corresponding ejector rod (9), a buffer spring (37) is fixedly mounted on one side of the movable block (36), and one end of the buffer spring (37) is fixedly connected with the inner wall of the buffer groove (35).
8. The pressure-resistant testing device of a wheelchair frame according to claim 7, wherein the supporting plate (2) is provided with a sliding hole (32), the sliding hole (32) is in sliding connection with the threaded column (8), both sides of the threaded column (8) are provided with limit grooves (33), the inner wall of the limit groove (33) is in sliding connection with a limit block (34), and the limit block (34) is fixedly connected with the inner wall of the sliding hole (32).
9. The pressure-resistant testing device of the wheelchair frame according to claim 8, wherein one side of the threaded column (8) is rotatably connected with a connecting block (16), a fixed rod (17) is fixedly installed on the connecting block (16), a hinging rod (18) is rotatably connected on the fixed rod (17), and the hinging rod (18) is rotatably connected with a corresponding moving plate (19).
10. The pressure-resistant testing device of the wheelchair frame according to claim 9, wherein positioning holes (38) are formed in two sides of the placing cover (5), sliding rods (39) are fixedly mounted on the inner walls of the positioning holes (38), and the sliding rods (39) are in sliding connection with the moving plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311074942.XA CN116773361B (en) | 2023-08-25 | 2023-08-25 | Pressure-resistant testing device for wheelchair frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311074942.XA CN116773361B (en) | 2023-08-25 | 2023-08-25 | Pressure-resistant testing device for wheelchair frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116773361A true CN116773361A (en) | 2023-09-19 |
| CN116773361B CN116773361B (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311074942.XA Active CN116773361B (en) | 2023-08-25 | 2023-08-25 | Pressure-resistant testing device for wheelchair frame |
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| CN (1) | CN116773361B (en) |
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| JP2010261760A (en) * | 2009-04-30 | 2010-11-18 | Tokyo Keiki Inc | Pressure resistance fatigue tester |
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| CN107063882A (en) * | 2017-05-15 | 2017-08-18 | 四川大学 | A kind of Rock Mechanics Test system for simulating deep ground environment |
| CN111610088A (en) * | 2020-07-23 | 2020-09-01 | 嘉兴勤慎智能技术有限公司 | Steel strength detection device for building detection |
| CN211602433U (en) * | 2020-04-09 | 2020-09-29 | 太仓远杰机械制品有限公司 | Withstand voltage testing arrangement of wheelchair frame |
| CN115165549A (en) * | 2022-09-07 | 2022-10-11 | 北矿科技股份有限公司 | Magnetic material strength detection device |
| CN217901407U (en) * | 2022-08-03 | 2022-11-25 | 河南省启源电力勘测设计有限公司 | New-type electric power engineering detection device |
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2023
- 2023-08-25 CN CN202311074942.XA patent/CN116773361B/en active Active
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| JP2010261760A (en) * | 2009-04-30 | 2010-11-18 | Tokyo Keiki Inc | Pressure resistance fatigue tester |
| CN203798581U (en) * | 2014-04-22 | 2014-08-27 | 上海医疗器械高等专科学校 | Static load testing device for wheelchair |
| CN107063882A (en) * | 2017-05-15 | 2017-08-18 | 四川大学 | A kind of Rock Mechanics Test system for simulating deep ground environment |
| CN211602433U (en) * | 2020-04-09 | 2020-09-29 | 太仓远杰机械制品有限公司 | Withstand voltage testing arrangement of wheelchair frame |
| CN111610088A (en) * | 2020-07-23 | 2020-09-01 | 嘉兴勤慎智能技术有限公司 | Steel strength detection device for building detection |
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| CN116773361B (en) | 2023-11-07 |
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