A large-volume solid-state relay testing workbench

Abstract

The invention relates to a large-volume solid-state relay detection workbench, comprising an operating table, wherein lifting mechanisms are arranged on both sides of the top of the operating table, the two lifting mechanisms are slidably connected to the top of the operating table through a moving component, a detection mechanism is arranged on the side where the two lifting mechanisms are close to each other, and a clamping tool is arranged between the two detection mechanisms; the problems in the prior art that the detection efficiency of large-volume relays is low, the detection position is single, the detection point data obtained are small, the error of the obtained detection result is large, and when multiple point data are required, the relays need to be clamped repeatedly, which greatly reduces the detection efficiency and increases the detection time, etc. are solved.

Description

Technical Field

[0001] The invention relates to the technical field of detection devices, in particular to a large-volume solid-state relay detection workbench. Background Art

[0002] A Chinese patent discloses a relay detection device (publication number: CN111069097A), which includes a main body, a detection cavity is provided on the left wall of the main body, a feeding assembly is provided in the detection cavity, a first transmission cavity whose left end is communicated with the detection cavity is provided on the right end wall of the detection cavity, a discharging assembly is provided in the first transmission cavity, a second transmission cavity is provided on the lower end wall of the detection cavity, a sliding rheostat is fixedly installed on the lower end of the second transmission cavity, a power supply is connected to the front end of the sliding rheostat through a first wire, a first motor located on the upper side of the power supply and connected to the power supply through a second wire is fixedly installed on the front end wall of the second transmission cavity, and a first drive shaft is connected to the rear end of the first motor through a first one-way bearing. The device automatically feeds in and out relays without manual control, greatly reducing manpower, and classifies qualified and unqualified relay products at the same time during discharging, thereby improving detection efficiency.

[0003] In the above patent, the detection efficiency for a large number of relays is low, and the detection position is single, so the obtained detection point data is small, resulting in large errors in the obtained detection results. When multi-point data is required, the relays need to be clamped repeatedly, which greatly reduces the detection efficiency and increases the detection time.

[0004] In order to solve the above defects, a technical solution is now provided. Summary of the invention

[0005] The object of the present invention is to provide a large-volume solid-state relay detection workbench.

[0006] The technical problems to be solved by the present invention are as follows:

[0007] In the prior art, the detection efficiency for a large number of relays is low, and the detection position is single, so the obtained detection point data is small, resulting in large errors in the obtained detection results. When multi-point data is required, the relays need to be clamped repeatedly, which greatly reduces the detection efficiency and increases the detection time.

[0008] The purpose of the present invention can be achieved through the following technical solutions:

[0009] A large-volume solid-state relay testing workbench comprises an operating table, wherein both sides of the top of the operating table are provided with lifting mechanisms, the two lifting mechanisms are slidably connected to the top of the operating table through a moving component, a detection mechanism is provided on the side where the two lifting mechanisms are close to each other, and a clamping tool is provided between the two detection mechanisms;

[0010] The clamping tooling includes a rotating cylinder fixed to the top of the operating table, a rotating plate fixed to the output end of the rotating cylinder, two symmetrically distributed connecting plates fixed to the four side surfaces of the rotating plate, a clamping seat is provided between the two connecting plates on the four side surfaces, openings are penetrated through the top and bottom of the clamping seat, both ends of the clamping seat are rotatably connected to the two connecting plates through a rotating shaft, a flip motor is fixed to one side of one of the connecting plates, the output end of the flip motor passes through the connecting plate and is fixed to one of the rotating shafts, and a clamping assembly for fixing the relay is provided in the clamping seat.

[0011] Furthermore, the lifting mechanism includes a lifting seat, a lifting motor is fixed to the top of one side of the lifting seat, a lifting groove is opened on the side where the two lifting seats are close to each other, the top and bottom ends of the lifting groove are rotatably connected to lifting wheels, the output end of the lifting motor is fixed to one of the lifting wheels, and a lifting belt is installed between the two lifting wheels.

[0012] Furthermore, the moving component includes a moving motor fixed to one end of the operating table, two symmetrically distributed moving grooves are opened on the top of the operating table, a first double-headed screw is fixed to the output end of the moving motor, and the bottoms of the two lifting seats are threadedly connected to the two ends of the outer surface of the first double-headed screw through threaded seats.

[0013] Furthermore, the detection mechanism includes a detection plate, the inner surface of the detection plate is rotatably connected to a movable screw, the outer surface of the movable screw is threadedly sleeved with a plurality of evenly distributed first connecting seats, a detection head is fixed to the bottom of the first connecting seat, a detection motor is fixed to one end of the outside of the detection plate, the output end of the detection motor is fixed to the movable screw, and a storage component for folding the detection head is provided on the outside of the detection plate.

[0014] Furthermore, the storage assembly includes a storage plate fixed to the lifting belt, the detection plate is rotatably connected to the inner wall of the storage plate through a storage rod, a storage motor is fixed to the outer end of the storage plate, a driven spur gear is fixed to the outer surface of one of the storage rods, and the output end of the storage motor passes through the storage plate and is fixed with a driving spur gear, and the driving spur gear is meshed with the driven spur gear.

[0015] Furthermore, the clamping assembly includes a plurality of partitions fixed to the top of the clamping seat, and the plurality of partitions cooperate with the inner wall of the clamping seat to divide the clamping seat into a plurality of clamping grooves, and the plurality of clamping grooves correspond one-to-one to a plurality of detection heads. The inner surface of the clamping seat is slidably connected to two symmetrically distributed clamping rods, and a plurality of clamping sleeves are fixed on the side where the two clamping rods are close to each other, and driving assemblies for driving the clamping rods to move are provided at both ends of the clamping rods.

[0016] Furthermore, the driving assembly includes a driving motor fixed to an outer side of the clamping seat, the output end of the driving motor passes through the clamping seat and is fixed with a second double-headed screw rod, a sliding rod is fixed to an inner side of the clamping seat, both ends of the outer surfaces of the two double-headed screw rods and both ends of the outer surfaces of the sliding rod are sleeved with a second connecting seat, the second connecting seat is threadedly connected to the second double-headed screw rod, the second connecting seat is slidably connected to the sliding rod, one end of the clamping rod passes through the clamping seat and is fixed to the second connecting seat on the second double-headed screw rod, and the other end of the clamping rod passes through the clamping seat and is fixed to the second connecting seat on the sliding rod.

[0017] Furthermore, an opening is provided on one side of the clamping sleeve, a clamping plate is slidably connected inside the clamping sleeve, and a plurality of evenly distributed buffer springs are fixed to the clamping plate and the inner wall of the clamping sleeve.

[0018] Beneficial effects of the present invention:

[0019] The present invention sets a detection mechanism so that the lifting mechanism drives the detection mechanism to move down to the relay surface through the lifting belt, and completes the detection operation through the detection head. At the same time, the detection motor drives the moving screw to rotate, and cooperates with the first connecting seat to drive a plurality of detection heads to move horizontally on the relay surface, so as to facilitate detection of different positions on the relay surface, and to facilitate obtaining detection data of different points, thereby increasing the detection range, arranging multiple detection heads for simultaneous detection, and improving the detection efficiency. The active spur gear is driven to rotate by the storage motor, and the storage rod is driven to rotate by the driven spur gear, so that a plurality of detection heads are flipped. On the one hand, the inclined surface of the relay can be detected, and on the other hand, the detection head can be stored, so as to facilitate protection of the detection head and increase the service life of the device.

[0020] By setting up a clamping tool, a plurality of relays can be placed on a placement base plate in a plurality of clamping grooves, and the second double-headed screw can be driven to rotate by a driving motor, and the sliding rod and the second connecting seat can be used to drive the two clamping rods to move toward each other, thereby controlling the plurality of clamping sleeves to move toward each other to clamp the two ends of the relay, so that it is convenient for a plurality of detection heads to perform detection operations on a plurality of relays. A buffer spring is set to protect the relay to prevent the clamping sleeve from moving too fast and causing damage to the relay due to squeezing. At the same time, a flipping motor can be set to drive the clamping seat to flip through the rotating shaft, so that the relay can be flipped to the back, ensuring that the front and back of the relay are detected, saving the time and cost of manually flipping the relay, and improving the detection efficiency of the device. After the detection, the rotating plate is controlled to rotate by the rotating cylinder, and the relay on the detection station is rotated to the loading and unloading station to complete the detection process.

[0021] By setting up a lifting mechanism, the lifting motor drives one of the lifting wheels to rotate, and cooperates with the other lifting wheel to drive the lifting belt to move, thereby driving the detection mechanism to lift and lower, and completing the detection operation on the surface of the relay. By setting up the moving component, the moving motor drives the first double-headed screw to rotate, thereby driving the two lifting mechanisms threadedly connected thereto to move toward each other, which is convenient for controlling the detection mechanism to detect different positions on the surface of the relay, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] Figure 1 It is a structural schematic diagram of a large-volume solid-state relay detection workbench of the present invention;

[0024] Figure 2 It is a structural schematic diagram of the lifting mechanism of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the detection mechanism of the present invention;

[0026] Figure 4 It is a schematic diagram of the internal structure of the detection board of the present invention;

[0027] Figure 5 is a side view of the driving spur gear and the driven spur gear of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the clamping tool of the present invention;

[0029] Figure 7 It is a structural schematic diagram of the clamping seat of the present invention;

[0030] Figure 8 It is a top view of the internal structure of the clamping sleeve of the present invention.

[0031] In the figure: 1, operating table; 2, lifting mechanism; 3, detection mechanism; 4, clamping tool; 101, moving motor; 102, first double-headed screw; 201, lifting seat; 202, lifting motor; 203, lifting wheel; 204, lifting belt; 301, detection plate; 302, moving screw; 303, first connecting seat; 304, detection head; 305, detection motor; 306, storage plate; 307, storage rod; 308, storage motor; 309, storage plate; 310, storage rod; 311, storage motor; 312, storage rod; 313, storage motor; 314, storage rod; 315, storage motor; 316, storage plate; 317, storage rod; 318, storage motor; 319, storage plate; 320, storage rod; 321, storage plate; 322, storage rod; 323, storage motor; 324, storage belt; 325, detection plate; 326, storage plate; 327, storage rod; 328, storage motor; 329, storage plate; 330, storage plate; 331, storage plate; 332, storage rod; 333, storage motor; 334, storage belt; 335, detection plate; 336, storage plate; 337, storage rod; 338, storage motor; 339, storage plate; 340, storage plate; 341, storage plate; 342, storage rod; 343, storage motor; 344, storage belt; 345, detection plate; 346, storage plate; 347, storage rod; 348, storage motor; 349, storage plate; 350, storage plate; 351, storage plate; 352, storage plate; 353, storage plate; 354, 09, driven spur gear; 310, driving spur gear; 401, rotating cylinder; 402, rotating plate; 403, placement groove; 404, connecting plate; 405, clamping seat; 406, flip motor; 407, partition; 408, placement bottom plate; 409, clamping rod; 410, clamping sleeve; 411, driving motor; 412, second double-headed screw; 413, sliding rod; 414, second connecting seat; 415, clamping plate; 416, buffer spring. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figure 1-Figure 8 , the present invention provides a technical solution:

[0034] A large-volume solid-state relay detection workbench comprises an operating table 1, wherein lifting mechanisms 2 are provided on both sides of the top of the operating table 1, and the two lifting mechanisms 2 are slidably connected to the top of the operating table 1 through a moving component, and a detection mechanism 3 is provided on the side where the two lifting mechanisms 2 are close to each other, and a clamping tool 4 is provided between the two detection mechanisms 3, and the lifting mechanism 2 is used to drive the detection mechanism 3 to lift and lower to complete the detection of relays, and the clamping tool 4 is used to clamp a plurality of relays and can drive the relays to flip, thereby improving the detection efficiency, wherein the positions of the two detection mechanisms 3 are detection stations, and the positions cross-set with the two detection mechanisms 3 are loading and unloading stations, which are used for operators to load and unload relays and screen out relays that fail the detection.

[0035] The moving assembly includes a moving motor 101 fixed to one end of the operating table 1. Two symmetrically distributed moving grooves are provided on the top of the operating table 1. A first double-headed screw 102 is fixed to the output end of the moving motor 101. The two ends of the first double-headed screw 102 are respectively rotatably connected to the two moving grooves. The two ends of the outer surface of the first double-headed screw 102 are respectively provided with threads of opposite rotation. Through the setting of the moving assembly, the moving motor 101 drives the first double-headed screw 102 to rotate, thereby driving the two lifting mechanisms 2 threadedly connected thereto to move toward each other, which is convenient for controlling the detection mechanism 3 to detect different positions on the surface of the relay, thereby improving the detection efficiency.

[0036] See also Figure 2 The lifting mechanism 2 includes a lifting seat 201. The bottoms of the two lifting seats 201 are respectively threadedly connected to the two ends of the outer surface of the first double-headed screw 102 through a threaded seat. The bottom of the threaded seat is slidably connected to the inner wall of the movable groove. A lifting motor 202 is fixed to the top of one side of the lifting seat 201. A lifting groove is opened on the side where the two lifting seats 201 are close to each other. The top and bottom of the lifting groove are rotatably connected to the lifting wheels 203. The output end of the lifting motor 202 passes through the lifting seat 201 and is fixed to one of the lifting wheels 203. A lifting belt 204 is installed between the two lifting wheels 203. By setting the lifting mechanism 2, the lifting motor 202 drives one of the lifting wheels 203 to rotate, and cooperates with the other lifting wheel 203 to drive the lifting belt 204 to move, thereby driving the detection mechanism 3 to lift and lower, and completing the detection operation of the relay surface.

[0037] See also Figure 4 The detection mechanism 3 includes a detection plate 301, the inner surface of the detection plate 301 is rotatably connected with a moving screw rod 302, the outer surface of the moving screw rod 302 is threadedly sleeved with a plurality of evenly distributed first connecting seats 303, a detection head 304 is fixed to the bottom of the first connecting seat 303, the bottom end of the detection head 304 is located outside the detection plate 301 and is slidably connected to the detection plate 301, a detection motor 305 is fixed to one end of the outside of the detection plate 301, the output end of the detection motor 305 is fixed to the moving screw rod 302, and a storage component for folding the detection head 304 is provided on the outside of the detection plate 301;

[0038] See also Figure 3 and Figure 5The storage assembly includes a storage plate 306 fixed to the lifting belt 204, and an opening is provided at the bottom of the storage plate 306. Storage rods 307 are fixed to both sides of the outside of the detection plate 301, and the storage rods 307 are rotatably connected to the inner wall of the storage plate 306. A storage motor 308 is fixed to one end of the outside of the storage plate 306, and a driven spur gear 309 is fixed to the outer surface of one of the storage rods 307. A driving spur gear 310 is fixed to the output end of the storage motor 308 through the storage plate 306, and the driving spur gear 310 is meshed with the driven spur gear 309. By setting up the detection mechanism 3, the lifting mechanism 2 drives the detection mechanism 3 to move down to the relay surface through the lifting belt 204, and the detection operation is completed through the detection head 304. At the same time, the detection motor 305 drives the moving screw rod 302 to rotate, and cooperates with the first connecting seat 303 to drive several detection heads 304 to move horizontally on the relay surface, so as to facilitate detection of different positions on the relay surface, obtain detection data of different points, and improve the detection range. Multiple detection heads 304 are set for simultaneous detection to improve the detection efficiency. The active spur gear 310 is driven to rotate by the storage motor 308, and the storage rod 307 is driven to rotate by the driven spur gear 309, so that several detection heads 304 are flipped. On the one hand, the inclined surface of the relay can be detected, and on the other hand, the detection head 304 can be stored, which is convenient for protecting the detection head 304 and improving the service life of the device.

[0039] See also Figure 6 The clamping tool 4 includes a rotating cylinder 401 fixed to the top of the operating table 1, a rotating plate 402 is fixed to the output end of the rotating cylinder 401, a placement groove 403 is opened on the top of the rotating plate 402, and the placement groove 403 is used to place the relay to be detected, and two symmetrically distributed connecting plates 404 are fixed to the four side surfaces of the rotating plate 402, and a clamping seat 405 is provided between the two connecting plates 404 on each side, and the top and bottom of the clamping seat 405 are penetrated with openings, and the top and bottom of the clamping seat 405 are penetrated and installed with a cover plate, and both ends of the clamping seat 405 are rotatably connected to the two connecting plates 404 through a rotating shaft, and a flip motor 406 is fixed to one side of one of the connecting plates 404, and the output end of the flip motor 406 passes through the connecting plate 404 and is fixed to one of the rotating shafts, and a clamping component for fixing the relay is provided in the clamping seat 405.

[0040] See also Figure 7The clamping assembly includes a plurality of partitions 407 fixed to the top of the clamping seat 405, and the plurality of partitions 407 cooperate with the inner wall of the clamping seat 405 to divide the clamping seat 405 into a plurality of clamping grooves. The plurality of clamping grooves correspond one to one with the plurality of detection heads 304. The two side walls of the plurality of clamping grooves are fixed with a placement base plate 408, and the placement base plate 408 is used to support the relay. The inner surface of the clamping seat 405 is slidably connected with two symmetrically distributed clamping rods 409, and the clamping rods 409 pass through the plurality of partitions 407 and are slidably connected with the partitions 407. A plurality of clamping sleeves 410 are fixed on the side where the two clamping rods 409 are close to each other, and the plurality of clamping sleeves 410 are respectively located in the plurality of clamping grooves. Both ends of the clamping rod 409 are provided with a driving assembly for driving the clamping rod 409 to move.

[0041] The driving assembly includes a driving motor 411 fixed to one side of the outside of the clamping seat 405, the output end of the driving motor 411 passes through the clamping seat 405 and is fixed with a second double-ended screw rod 412, the second double-ended screw rod 412 is located on one side of the inside of the clamping seat 405 and is rotatably connected to the clamping seat 405, a sliding rod 413 is fixed to the other side of the inside of the clamping seat 405, the outer surfaces of the second double-ended screw rod 412 are respectively provided with threads of opposite rotation directions, both ends of the outer surface of the second double-ended screw rod 412 and the outer surface of the sliding rod 413 are both sleeved with a second connecting seat 414, the second connecting seat 414 is threadedly connected to the second double-ended screw rod 412, the second connecting seat 414 is slidably connected to the sliding rod 413, one end of the clamping rod 409 passes through the clamping seat 405 and is fixed to the second connecting seat 414 on the second double-ended screw rod 412, the other end of the clamping rod 409 passes through the clamping seat 405 and is fixed to the second connecting seat 414 on the sliding rod 413.

[0042] See also Figure 8One side of the clamping sleeve 410 is provided with an opening, and a clamping plate 415 is slidably connected inside the clamping sleeve 410 . A plurality of evenly distributed buffer springs 416 are fixed to the clamping plate 415 and the inner wall of the clamping sleeve 410 . By setting up the clamping tool 4, a plurality of relays are placed on the placement base plate 408 in the clamping grooves, and the second double-headed screw 412 is driven to rotate by the driving motor 411, and the sliding rod 413 and the second connecting seat 414 are cooperated to drive the two clamping rods 409 to move toward each other, thereby controlling the plurality of clamping sleeves 410 to move toward each other to clamp the two ends of the relay, so that it is convenient for a plurality of detection heads 304 to perform detection operations on a plurality of relays. The buffer spring 416 is set to protect the relay to prevent the clamping sleeve 410 from moving too fast and causing damage to the relay by squeezing. At the same time, the set flipping motor 406 can drive the clamping seat 405 to flip through the rotating shaft, so that the relay is flipped to the back, ensuring that the front and back of the relay are detected, saving the time and cost of manually flipping the relay, and improving the detection efficiency of the device. After the detection, the rotating plate 402 is controlled to rotate by the rotating cylinder 401, and the relay on the detection station is rotated to the loading and unloading station to complete the detection process.

[0043] Working principle:

[0044] When the present invention is in use, a plurality of relays are placed on a placement base plate 408 in a plurality of clamping grooves, and the second double-ended screw 412 is driven to rotate by a driving motor 411, and the two clamping rods 409 are driven to move toward each other by a matching slide bar 413 and a second connecting seat 414, thereby controlling a plurality of clamping sleeves 410 to move toward each other to clamp the two ends of the relay, and the first double-ended screw 102 is driven to rotate by a moving motor 101, thereby driving the two lifting mechanisms 2 threadedly connected thereto to move toward each other to the top of the relay;

[0045] The lifting motor 202 drives one of the lifting wheels 203 to rotate, and cooperates with the other lifting wheel 203 to drive the lifting belt 204 to move, thereby driving the detection mechanism 3 to move up and down to complete the detection operation on the relay surface. At the same time, the detection motor 305 drives the moving screw rod 302 to rotate, and cooperates with the first connecting seat 303 to drive a plurality of detection heads 304 to move horizontally on the relay surface, so as to facilitate the detection of different positions on the relay surface and obtain detection data at different points.

[0046] When the front side of the relay has completed the inspection, the flip motor 406 is started to drive the clamping seat 405 to flip through the rotating shaft, so that the relay flips to the back side for further inspection. After the inspection, the rotating plate 402 is controlled to rotate by the rotating cylinder 401, and the relay on the inspection station is rotated to the loading and unloading station to complete the inspection process. After the inspection, the active spur gear 310 is driven to rotate by the storage motor 308, and the storage rod 307 is driven to rotate by the driven spur gear 309, so that several inspection heads 304 are flipped. On the one hand, the inclined surface of the relay can be inspected, and on the other hand, the inspection head 304 can be stored, which is convenient for protecting the inspection head 304.

[0047] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A large-volume solid-state relay testing workbench, comprising an operating table (1), characterized in that: The top of the operating table (1) is provided with lifting mechanisms (2) on both sides, the two lifting mechanisms (2) are slidably connected to the top of the operating table (1) via a moving assembly, the two lifting mechanisms (2) are provided with a detection mechanism (3) on the side close to each other, and a clamping tool (4) is provided between the two detection mechanisms (3); The detection mechanism (3) comprises a detection plate (301), the inner surface of the detection plate (301) is rotatably connected to a movable screw rod (302), the outer surface of the movable screw rod (302) is threadedly sleeved with a plurality of evenly distributed first connection seats (303), a detection head (304) is fixed at the bottom of the first connection seat (303), a detection motor (305) is fixed at one end of the outer side of the detection plate (301), the output end of the detection motor (305) is fixed to the movable screw rod (302), and a storage component for folding the detection head (304) is provided on the outer side of the detection plate (301); The storage assembly comprises a storage plate (306) fixed to the lifting belt (204); the detection plate (301) is rotatably connected to the inner wall of the storage plate (306) via a storage rod (307); a storage motor (308) is fixed to one end of the outside of the storage plate (306); a driven spur gear (309) is fixed to the outer surface of one of the storage rods (307); an output end of the storage motor (308) passes through the storage plate (306) and is fixed with a driving spur gear (310); the driving spur gear (310) is meshed with the driven spur gear (309); The clamping tool (4) comprises a rotating cylinder (401) fixed to the top of the operating table (1); a rotating plate (402) is fixed to the output end of the rotating cylinder (401); two symmetrically distributed connecting plates (404) are fixed to the four side surfaces of the rotating plate (402); a clamping seat (405) is provided between the two connecting plates (404) on each side surface; openings are provided through the top and bottom of the clamping seat (405); both ends of the clamping seat (405) are rotatably connected to the two connecting plates (404) via a rotating shaft; a flip motor (406) is fixed to one side of one of the connecting plates (404); the output end of the flip motor (406) passes through the connecting plate (404) and is fixed to one of the rotating shafts; a clamping assembly for fixing the relay is provided in the clamping seat (405).

2. A large-volume solid-state relay testing workbench according to claim 1, characterized in that: The lifting mechanism (2) comprises a lifting seat (201), a lifting motor (202) is fixed at the top of one side of the lifting seat (201), a lifting slot is provided on the side where the two lifting seats (201) are close to each other, the top and bottom of the lifting slot are rotatably connected to lifting wheels (203), the output end of the lifting motor (202) is fixed to one of the lifting wheels (203), and a lifting belt (204) is installed between the two lifting wheels (203).

3. A large-volume solid-state relay testing workbench according to claim 1, characterized in that: The moving assembly comprises a moving motor (101) fixed to one end of the operating table (1); the top of the operating table (1) is provided with two symmetrically distributed moving slots; a first double-headed screw (102) is fixed to the output end of the moving motor (101); the bottoms of the two lifting seats (201) are respectively threadedly connected to the two ends of the outer surface of the first double-headed screw (102) through threaded seats.

4. A large-volume solid-state relay testing workbench according to claim 1, characterized in that: The clamping assembly includes a plurality of partitions (407) fixed to the top of the clamping seat (405), and the plurality of partitions (407) cooperate with the inner wall of the clamping seat (405) to divide the clamping seat (405) into a plurality of clamping grooves, and the plurality of clamping grooves correspond one to one with the plurality of detection heads (304). The inner surface of the clamping seat (405) is slidably connected to two symmetrically distributed clamping rods (409), and a plurality of clamping sleeves (410) are fixed on the side where the two clamping rods (409) are close to each other, and driving assemblies for driving the clamping rods (409) to move are provided at both ends of the clamping rods (409).

5. A large-volume solid-state relay testing workbench according to claim 4, characterized in that: The driving assembly comprises a driving motor (411) fixed to an outer side of a clamping seat (405); an output end of the driving motor (411) passes through the clamping seat (405) and is fixed with a second double-ended screw rod (412); a sliding rod (413) is fixed to an inner side of the clamping seat (405); both ends of the outer surface of the second double-ended screw rod (412) and both ends of the outer surface of the sliding rod (413) are sleeved with a second connecting seat (414); the second connecting seat (414) is threadedly connected to the second double-ended screw rod (412); the second connecting seat (414) is slidably connected to the sliding rod (413); one end of the clamping rod (409) passes through the clamping seat (405) and is fixed to the second connecting seat (414) on the second double-ended screw rod (412); the other end of the clamping rod (409) passes through the clamping seat (405) and is fixed to the second connecting seat (414) on the sliding rod (413).

6. A large-volume solid-state relay testing workbench according to claim 4, characterized in that: One side of the clamping sleeve (410) is provided with an opening, and a clamping plate (415) is slidably connected inside the clamping sleeve (410), and a plurality of evenly distributed buffer springs (416) are fixed to the clamping plate (415) and the inner wall of the clamping sleeve (410).

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