Clamp platform for testing single board of frequency converter

Abstract

The utility model discloses a clamp platform for testing a single board of a frequency converter, which belongs to the technical field of clamps and comprises a platform plate, lifting plates are arranged at two ends of the platform plate, fixing plates are arranged on two sides of the platform plate, fixing rods are arranged on two sides of the lower end of each fixing plate, a base plate is arranged at the lower ends of the fixing rods, and universal wheels are arranged on two sides of the lower end of the base plate. According to the frequency converter single plate clamping device, the clamping assembly is arranged, after a frequency converter single plate is placed in the platform plate, the double-shaft lead screw is rotated through the rotary knob, the double-shaft lead screw rotates to drive the two sliding plates to be close to each other, and the two sliding plates drive the two clamping plates to be close to each other in the platform plate through the connecting frame; and meanwhile, an anti-skid pad is arranged at one end of the clamping plate to achieve an anti-skid effect, the clamping effect of the clamping plate is improved, the frequency converter single plate placed in the platform plate can be clamped and fixed by arranging the clamping assembly, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixtures, and in particular relates to a fixture platform for testing a frequency converter single board. Background Art

[0002] A fixture is a mechanical device used to fix and position workpieces in industrial production. It usually consists of a clamping device and a supporting device. The clamping device can fix the workpiece tightly on the workbench, and the supporting device can provide the necessary support force to ensure that the workpiece will not move or loosen during processing.

[0003] Chinese patent application No. 2023215032283 discloses a frequency converter test platform, which belongs to the field of frequency converter test platform, including a platform plate and two base plates, the two opposite side walls of the platform plate are connected with a lifting plate, a threaded hole is opened on the lifting plate, the inner wall of the threaded hole is connected with a threaded rod, the bottom end of the threaded rod is connected with a sprocket assembly, and a rotating plate is arranged below the sprocket assembly. The utility model can utilize the two threaded rods to rotate in the threaded holes on the two lifting plates through the arrangement of the lifting plate and the threaded rod, drive the lifting plate to a lower position, and carry the frequency converter to be tested to the platform plate, so as to facilitate the easier movement of the frequency converter to the platform plate, reduce the labor intensity of the staff, and improve the test efficiency. At the same time, the arrangement of the universal ball and the rotating wheel can be adjusted in any direction during the transfer, so that the movement of the frequency converter is faster and more convenient, and it is convenient to quickly move the frequency converter to the test site, saving time.

[0004] The platform plate in the above-mentioned patent does not have a clamping function and cannot clamp and fix the placed inverter board, so its practicality is poor. At the same time, the original device is not convenient for disassembly, assembly and replacement of the rubber plate. The long-term wear of the rubber plate seriously affects the quality of subsequent use. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a clamp platform for testing a frequency converter single board, which has the characteristic of clamping and fixing the frequency converter single board placed in the platform plate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture platform for testing a single board of a frequency converter, comprising a platform plate, lifting plates are arranged at both ends of the platform plate, fixed plates are arranged on both sides of the platform plate, fixed rods are arranged on both sides of the lower end of the fixed plate, a base plate is arranged at the lower end of the fixed rod, universal wheels are arranged on both sides of the lower end of the base plate, hydraulic cylinders are arranged on both sides of the upper end of the base plate, a rubber plate is arranged at the lower end of the hydraulic cylinder, threaded rods are rotatably connected to the corresponding positions of the platform plate and the lifting plate, and a clamping assembly is arranged in the platform plate.

[0007] Preferably, the clamping assembly includes a clamping plate, a side plate, a double-axis screw, a knob, a slide plate, an anti-skid pad, a connecting frame and a pushing assembly, wherein clamping plates are arranged on both sides of the inside of the platform plate, side plates are arranged on both sides of the rear end of the platform plate, a double-axis screw is arranged between the two side plates, a knob is arranged at one end of the double-axis screw, slide plates are threadedly connected to the positions on both sides of the surface of the double-axis screw corresponding to the clamping plate, the clamping plate and the slide plate are connected by a connecting frame, an anti-skid pad is arranged at one end of the clamping plate, and a pushing assembly is arranged in the platform plate.

[0008] Preferably, the pushing assembly includes balls, rolling grooves, an electric push rod and a push plate, wherein an electric push rod is arranged at the rear end of the platform plate, a push plate is arranged at the output end of the electric push rod, a plurality of balls are arranged at the upper end of the platform plate, and rolling grooves corresponding to the balls are arranged in the platform plate.

[0009] Preferably, the two slides are threadedly connected to the double-axis screw rod in opposite directions, one end of the slide is tightly attached to the side of the platform plate, and a bearing rotating seat is provided between the double-axis screw rod and the side plate.

[0010] Preferably, a fixing seat is provided at the output end of the hydraulic cylinder, a plug plate is provided at the upper end of the rubber plate, a slot corresponding to the plug plate is provided at the lower end of the fixing seat, the plug plate and the fixing seat are connected by fixing bolts, a fixing hole corresponding to the fixing bolt is provided in the plug plate, and a through hole corresponding to the fixing bolt is provided in the fixing seat.

[0011] Preferably, after the plug-in board enters the slot, the side edge of the plug-in board is in close contact with the inner wall of the slot, and the height of the plug-in board is the same as the depth of the slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a clamping component. After the inverter single board is placed in the platform plate, the double-axis screw is rotated by a knob. The rotation of the double-axis screw drives the two slides to approach each other. The two slides drive the two clamping plates to approach each other in the platform plate through the connecting frame, so as to clamp and fix the inverter single board in the platform plate. At the same time, an anti-skid pad is set at one end of the clamping plate to play an anti-skid role, thereby improving the clamping effect of the clamping plate. By setting the clamping component, the inverter single board placed in the platform plate can be clamped and fixed, thereby improving the practicality of the device.

[0014] 2. The utility model sets a fixing seat, inserts the plug plate on the upper end of the rubber plate into the slot at the lower end of the fixing seat, then passes the fixing bolt through the through hole of the fixing seat, and screws one end of the fixing bolt into the fixing hole of the plug plate, so as to achieve the effect of limiting and fixing the plug plate and the rubber plate. The plug plate can be taken out from the slot of the fixing seat by screwing the fixing bolt out of the fixing hole of the plug plate, so as to disassemble the rubber plate. The setting of the fixing seat facilitates the disassembly, assembly and replacement of the rubber plate, and avoids the wear of the rubber plate due to long-term use, which seriously affects the subsequent use quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the clamping assembly of the utility model;

[0017] Figure 3 This is a three-dimensional diagram of the rubber sheet of the utility model when it is installed;

[0018] In the figure: 1. platform plate; 2. clamping assembly; 21. clamping plate; 22. side plate; 23. double-axis screw rod; 24. knob; 25. slide plate; 26. anti-skid pad; 27. connecting frame; 28. push assembly; 281. ball; 282. rolling groove; 283. electric push rod; 284. push plate; 3. lifting plate; 4. fixing plate; 5. fixing rod; 6. hydraulic cylinder; 7. fixing seat; 8. rubber plate; 9. universal wheel; 10. base plate; 11. threaded rod; 12. slot; 13. fixing bolt; 14. fixing hole; 15. through hole; 16. plug plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0020] See also Figure 1-3 The utility model provides the following technical solutions: a fixture platform for testing a single board of a frequency converter, comprising a platform plate 1, lifting plates 3 are arranged at both ends of the platform plate 1, fixed plates 4 are arranged on both sides of the platform plate 1, fixed rods 5 are arranged on both sides of the lower end of the fixed plate 4, a base plate 10 is arranged at the lower end of the fixed rod 5, universal wheels 9 are arranged on both sides of the lower end of the base plate 10, hydraulic cylinders 6 are arranged on both sides of the upper end of the base plate 10, a rubber plate 8 is arranged at the lower end of the hydraulic cylinder 6, a threaded rod 11 is rotatably connected to the corresponding position of the platform plate 1 and the lifting plate 3, and a clamping assembly 2 is arranged in the platform plate 1.

[0021] Specifically, the clamping assembly 2 includes a clamping plate 21, a side plate 22, a double-axis screw 23, a knob 24, a slide plate 25, an anti-skid pad 26, a connecting frame 27 and a pushing assembly 28, wherein the clamping plates 21 are arranged on both sides of the inside of the platform plate 1, the side plates 22 are arranged on both sides of the rear end of the platform plate 1, a double-axis screw 23 is arranged between the two side plates 22, a knob 24 is arranged at one end of the double-axis screw 23, and slide plates 25 are threadedly connected at positions corresponding to the clamping plate 21 on both sides of the surface of the double-axis screw 23, the clamping plate 21 and the slide plate 25 are connected by a connecting frame 27, an anti-skid pad 26 is arranged at one end of the clamping plate 21, and a pushing assembly 28 is arranged in the platform plate 1.

[0022] By adopting the above technical solution, after the inverter single board is placed in the platform plate 1, the double-axis screw 23 is rotated by the knob 24, and the rotation of the double-axis screw 23 drives the two slides 25 to approach each other. The two slides 25 drive the two clamping plates 21 to approach each other in the platform plate 1 through the connecting frame 27, so as to clamp and fix the inverter single board in the platform plate 1. At the same time, an anti-slip pad 26 is provided at one end of the clamping plate 21 to play an anti-slip role, thereby improving the clamping effect of the clamping plate 21. By providing the clamping component 2, the inverter single board placed in the platform plate 1 can be clamped and fixed, thereby improving the practicality of the device.

[0023] Specifically, the pushing assembly 28 includes balls 281, rolling grooves 282, electric push rods 283 and push plates 284, wherein an electric push rod 283 is provided at the rear end of the platform plate 1, a push plate 284 is provided at the output end of the electric push rod 283, a plurality of balls 281 are provided at the upper end of the platform plate 1, and rolling grooves 282 corresponding to the balls 281 are provided in the platform plate 1.

[0024] By adopting the above technical solution, when the inverter board needs to be taken out from the platform plate 1, the electric push rod 283 is turned on to push the push plate 284 to move. The push plate 284 can push the inverter board out of the platform plate 1. When the inverter board moves in the platform plate 1, a number of balls 281 can roll in the rolling groove 282 of the platform plate 1. The balls 281 are arranged to facilitate the movement of the inverter board. The pushing assembly 28 is arranged to facilitate the removal of the inverter board placed in the platform plate 1, so as to avoid the lower end of the inverter board being attached to the lower end of the platform plate 1 and being difficult to remove.

[0025] Specifically, the two slide plates 25 are threadedly connected to the double-axis screw rod 23 in opposite directions, one end of the slide plate 25 is tightly attached to the side of the platform plate 1 , and a bearing rotating seat is provided between the double-axis screw rod 23 and the side plate 22 .

[0026] By adopting the above technical solution, the rotation of the double-axis screw 23 can drive the two slide plates 25 to move toward each other, and the slide plates 25 will not rotate with the double-axis screw 23.

[0027] When the present embodiment is used, when the clamp platform for testing the frequency converter single board is used, the device is installed in a suitable position, and after the device is moved to a suitable position through the universal wheel 9, the hydraulic cylinder 6 is turned on to push the lower end of the rubber plate 8 to contact the ground, thereby limiting and fixing the device, and rotating the threaded rod 11. The rotation of the threaded rod 11 can drive the platform plate 1 to rise and fall through the lifting plate 3. By setting the clamping assembly 2, after the frequency converter single board is placed in the platform plate 1, the double-axis screw rod 23 is rotated through the knob 24. The rotation of the double-axis screw rod 23 drives the two slide plates 25 to approach each other. The two slide plates 25 drive the two clamping plates 21 to approach each other in the platform plate 1 through the connecting frame 27, thereby clamping and fixing the frequency converter single board in the platform plate 1. At the same time, one end of the clamping plate 21 is provided with The anti-skid pad 26 plays an anti-skid role and improves the clamping effect of the clamping plate 21. By setting the clamping component 2, the inverter single board placed in the platform plate 1 can be clamped and fixed, thereby improving the practicality of the device. By setting the pushing component 28, when the inverter single board needs to be taken out from the platform plate 1, the electric push rod 283 is turned on to push the pushing plate 284 to move. The pushing plate 284 can push the inverter single board out of the platform plate 1. When the inverter single board moves in the platform plate 1, a number of balls 281 can roll in the rolling groove 282 of the platform plate 1. The balls 281 are set to facilitate the movement of the inverter single board. The pushing component 28 is set to facilitate the removal of the inverter single board placed in the platform plate 1, thereby avoiding the lower end of the inverter single board being attached to the lower end of the platform plate 1 and being difficult to take out. Example 2

[0028] The difference between this embodiment and embodiment 1 is that: a fixing seat 7 is provided at the output end of the hydraulic cylinder 6, a plug plate 16 is provided at the upper end of the rubber plate 8, a slot 12 corresponding to the plug plate 16 is provided at the lower end of the fixing seat 7, the plug plate 16 and the fixing seat 7 are connected by a fixing bolt 13, a fixing hole 14 corresponding to the fixing bolt 13 is provided in the plug plate 16, and a through hole 15 corresponding to the fixing bolt 13 is provided in the fixing seat 7.

[0029] By adopting the above technical solution, the plug plate 16 at the upper end of the rubber sheet 8 is inserted into the slot 12 at the lower end of the fixing seat 7, and then the fixing bolt 13 is passed through the through hole 15 of the fixing seat 7, and one end of the fixing bolt 13 is screwed into the fixing hole 14 of the plug plate 16, so as to achieve the effect of limiting and fixing the plug plate 16 and the rubber sheet 8, and the fixing bolt 13 is screwed out from the fixing hole 14 of the plug plate 16, so that the plug plate 16 can be taken out from the slot 12 of the fixing seat 7, so as to disassemble the rubber sheet 8. By setting the fixing seat 7, it is convenient to disassemble, assemble and replace the rubber sheet 8, so as to avoid the rubber sheet 8 being worn out for a long time and seriously affecting the subsequent use quality.

[0030] Specifically, after the plug board 16 enters the slot 12 , the side of the plug board 16 is in close contact with the inner wall of the slot 12 , and the height of the plug board 16 is the same as the depth of the slot 12 .

[0031] By adopting the above technical solution, after the plug board 16 enters the slot 12 , the plug board 16 is more stable in the slot 12 , and the plug board 16 is not easy to shake in the slot 12 .

[0032] When the present embodiment is used, by setting the fixing seat 7, the plug plate 16 at the upper end of the rubber sheet 8 is inserted into the slot 12 at the lower end of the fixing seat 7, and then the fixing bolt 13 is passed through the through hole 15 of the fixing seat 7, and one end of the fixing bolt 13 is screwed into the fixing hole 14 of the plug plate 16, so as to achieve the effect of limiting and fixing the plug plate 16 and the rubber sheet 8, and the fixing bolt 13 is screwed out from the fixing hole 14 of the plug plate 16, so that the plug plate 16 can be taken out from the slot 12 of the fixing seat 7, so as to disassemble the rubber sheet 8. By setting the fixing seat 7, it is convenient to disassemble, assemble and replace the rubber sheet 8, so as to avoid the rubber sheet 8 being worn out due to long-term use and seriously affecting the quality of subsequent use.

[0033] The electric push rod 283 in the utility model is an existing disclosed technology, and the selected model is FTG50.

[0034] The structure and working principle of the platform plate 1, lifting plate 3, fixed plate 4, fixed rod 5, hydraulic cylinder 6, rubber plate 8, universal wheel 9, base plate 10 and threaded rod 11 in the utility model have been disclosed in a frequency converter test platform disclosed in Chinese patent application No. 2023215032283. Its working principle is that after the device is moved to a suitable position through the universal wheel 9, the hydraulic cylinder 6 is turned on to push the lower end of the rubber plate 8 to contact the ground, thereby limiting and fixing the device, and rotating the threaded rod 11. The rotation of the threaded rod 11 can drive the platform plate 1 to rise and fall through the lifting plate 3.

[0035] The working principle and use process of the utility model are as follows: when the clamp platform for testing a frequency converter single board is used, the device is installed at a suitable position. After the device is moved to a suitable position through the universal wheel 9, the hydraulic cylinder 6 is turned on to push the lower end of the rubber plate 8 to contact the ground, thereby limiting and fixing the device, and rotating the threaded rod 11. The rotation of the threaded rod 11 can drive the platform plate 1 to rise and fall through the lifting plate 3. By setting the clamping component 2, after the frequency converter single board is placed in the platform plate 1, the double-axis screw rod 23 is rotated through the knob 24. The rotation of the double-axis screw rod 23 drives the two The two slide plates 25 are close to each other, and the two slide plates 25 drive the two clamping plates 21 to be close to each other in the platform plate 1 through the connecting frame 27, so as to clamp and fix the inverter single board in the platform plate 1. At the same time, an anti-skid pad 26 is arranged at one end of the clamping plate 21 to play an anti-skid role, thereby improving the clamping effect of the clamping plate 21. By setting the clamping component 2, the inverter single board placed in the platform plate 1 can be clamped and fixed, thereby improving the practicality of the device. By setting the pushing component 28, when the inverter single board needs to be taken out from the platform plate 1, the electric push rod is turned on. 283 pushes the push plate 284 to move, and the push plate 284 can push the inverter board out of the platform board 1. When the inverter board moves in the platform board 1, a plurality of balls 281 can roll in the rolling groove 282 of the platform board 1. The balls 281 are arranged to facilitate the movement of the inverter board. The push assembly 28 is arranged to facilitate the removal of the inverter board placed in the platform board 1, so as to avoid the lower end of the inverter board being attached to the lower end of the platform board 1 and being difficult to remove. By arranging the fixing seat 7, the plug plate 16 at the upper end of the rubber plate 8 is inserted into the slot at the lower end of the fixing seat 7. 12, then pass the fixing bolt 13 into the through hole 15 of the fixing seat 7, and screw one end of the fixing bolt 13 into the fixing hole 14 of the plug plate 16, so as to achieve the effect of limiting and fixing the plug plate 16 and the rubber sheet 8, and screw the fixing bolt 13 out of the fixing hole 14 of the plug plate 16, so that the plug plate 16 can be taken out from the slot 12 of the fixing seat 7, so as to disassemble the rubber sheet 8. By setting the fixing seat 7, it is convenient to disassemble, assemble and replace the rubber sheet 8, so as to avoid the rubber sheet 8 being worn out for a long time and seriously affecting the quality of subsequent use.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture platform for testing a frequency converter single board, comprising a platform plate, characterized in that: Lifting plates are provided at both ends of the platform plate, fixed plates are provided on both sides of the platform plate, fixed rods are provided on both sides of the lower end of the fixed plate, a base plate is provided at the lower end of the fixed rod, universal wheels are provided on both sides of the lower end of the base plate, hydraulic cylinders are provided on both sides of the upper end of the base plate, a rubber plate is provided at the lower end of the hydraulic cylinder, threaded rods are rotatably connected to the corresponding positions of the platform plate and the lifting plate, and a clamping assembly is provided in the platform plate.

2. The fixture platform for testing a frequency converter single board according to claim 1, characterized in that: The clamping assembly includes a clamping plate, a side plate, a double-axis screw, a knob, a slide plate, an anti-skid pad, a connecting frame and a pushing assembly, wherein clamping plates are arranged on both sides of the inside of the platform plate, side plates are arranged on both sides of the rear end of the platform plate, a double-axis screw is arranged between the two side plates, a knob is arranged at one end of the double-axis screw, slide plates are threadedly connected to the positions corresponding to the clamping plates on both sides of the surface of the double-axis screw, the clamping plate and the slide plate are connected by a connecting frame, an anti-skid pad is arranged at one end of the clamping plate, and a pushing assembly is arranged in the platform plate.

3. The fixture platform for testing a frequency converter single board according to claim 2, characterized in that: The pushing assembly includes balls, rolling grooves, an electric push rod and a push plate, wherein an electric push rod is arranged at the rear end of the platform plate, a push plate is arranged at the output end of the electric push rod, a plurality of balls are arranged at the upper end of the platform plate, and rolling grooves corresponding to the balls are arranged in the platform plate.

4. The fixture platform for testing a frequency converter single board according to claim 2, characterized in that: The two slide plates are threadedly connected to the double-axis screw rod in opposite directions, one end of the slide plate is tightly attached to the side of the platform plate, and a bearing rotating seat is arranged between the double-axis screw rod and the side plate.

5. The fixture platform for testing a frequency converter single board according to claim 1, characterized in that: The output end of the hydraulic cylinder is provided with a fixing seat, the upper end of the rubber plate is provided with a plug plate, the lower end of the fixing seat is provided with a slot corresponding to the plug plate, the plug plate and the fixing seat are connected by fixing bolts, the plug plate is provided with fixing holes corresponding to the fixing bolts, and the fixing seat is provided with through holes corresponding to the fixing bolts.

6. The fixture platform for testing a frequency converter single board according to claim 5, characterized in that: After the plug-in board enters the slot, the side edge of the plug-in board is in close contact with the inner wall of the slot, and the height of the plug-in board is the same as the depth of the slot.

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