Transformer vibration testing machine
By using a detection method that combines a contact induction disk and an induction receiving disk in a transformer vibration testing machine, and using lasers to record position changes, the problem of vibration transmission affecting test results in the existing technology is solved, and higher test accuracy and stability.
Patent Information
- Application Number
- CN202411638309.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-16
- Publication Date
- 2025-01-21
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing transformer test device has a vibration sensor directly against the transformer side wall, causing vibration to be transmitted to the test device, affecting the accuracy of the test results.
A transformer vibration testing machine is designed, which uses a combination of contact induction disk and induction receiving disk to detect the vibration of the transformer. The laser position changes are recorded through the laser emission slot and the laser transmitter to achieve accurate detection of the vibration of the transformer.
It effectively prevents the vibration of the transformer from being transmitted to the testing machine, reduces the impact of the testing machine's own vibration on the test results, and improves the accuracy and stability of the test.
Smart Images
Figure CN119334571A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of transformer detection, in particular to a transformer vibration testing machine. Background Art
[0002] Power transformers are an important equipment in the operation of power systems. Once a failure occurs, it will have a great impact on the production and operation of the factory and the daily life of residents, and it will take a lot of maintenance time and materials for equipment maintenance personnel. Transformers will vibrate when working, and frequent vibration will affect the use of transformers; transformer vibration testing is an important technical means to monitor and evaluate the operating status of power transformers.
[0003] The existing transformer testing device generally places a vibration sensor against the side wall of the transformer, and the vibration of the transformer during operation is transmitted to the vibration sensor, and the vibration sensor senses the vibration; however, since the vibration sensor directly presses against the side wall of the transformer, the transformer vibration will be transmitted to the device on which the vibration sensor is installed through the vibration sensor, causing the installation device to vibrate and affect the test results. Summary of the invention
[0004] The object of the present invention is to provide a transformer vibration testing machine to solve the problems raised in the background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] A transformer vibration tester comprises a frame body and a plurality of vibration test components, wherein the frame body comprises a middle frame and two side brackets arranged at both ends of the middle frame, the two side brackets are arranged opposite to each other and an escape opening is left between the ends of the two side brackets away from the middle frame, the transformer body can be placed inside the frame body through the escape opening, the two side walls of the transformer body are provided with a test reserved cavity and a fixed connection portion is provided outside the test reserved cavity; at least two moving wheel assemblies are provided on the two side brackets and a switching adjustment assembly is also provided on the frame body, the switching adjustment assembly is connected to the plurality of moving wheel assemblies and the switching adjustment assembly is used to adjust the contact state between the moving wheel assembly and the ground; at least one movable vertical rod portion is provided on each side bracket and a plurality of vibration test components are provided correspondingly On the movable vertical rod part, the vibration test component includes a contact sensing disk, an induction receiving disk and a mounting sleeve, the mounting sleeve is mounted on the movable vertical rod part and the induction receiving disk is arranged on the mounting sleeve, the center of the contact sensing disk is connected to the induction receiving disk through a flexible connecting wire, the outer edge of the contact sensing disk is provided with an outer frame and the outer frame can be buckled with the fixed connection part; the surface of the contact sensing disk facing the induction receiving disk is provided with a plurality of laser emitting grooves and a laser emitter is installed inside each laser emitting groove; the contact sensing disk is used to detect the vibration of the transformer body by sensing the sound fluctuations generated by the vibration of the transformer body; the laser emitter can emit laser and be received by the surface of the induction receiving disk and the induction receiving disk can record the position change of the received laser.
[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:
[0008] In an optional solution: the outer frame and the fixed connection part are both magnetic rings, the induction receiving disk is a circular structure and a connecting frame is provided on the outer edge of the induction receiving disk; the thickness of the outer frame is less than the thickness of the contact induction disk; when the outer frame and the fixed connection part are magnetically attracted together, the surface of the contact induction disk away from the induction receiving disk contacts the outer wall of the transformer body.
[0009] In an optional solution, the surface of the contact induction disk away from the induction receiving disk has an inserting portion, and when the outer frame and the fixed connection portion are magnetically attracted together, the inserting portion is inside the test reserved cavity and the outer wall of the inserting portion fits the inside of the test reserved cavity.
[0010] In an optional solution: the mounting sleeve is slidably mounted on top and a fastening bolt is installed on the outer wall of the mounting sleeve, the fastening bolt can fix the mounting sleeve on the movable vertical rod portion and the mounting sleeve is connected to the induction receiving plate through a detachable sleeve portion, the detachable sleeve portion is composed of a fixed column fixed on the outer wall of the mounting sleeve and a sleeve mounted on the fixed column, the sleeve is fixed to the back of the induction receiving plate; the top of the movable vertical rod portion is slidably connected to the top of the side bracket.
[0011] In an optional solution: an elastic telescopic rod is fixedly connected to the arc top of the outer frame and an upper clamping sleeve is arranged on the top of the elastic telescopic rod; an edge clamping portion is provided at the top of the transformer body near the edge and the cross-section of the edge clamping portion is triangular; the upper clamping sleeve can be clamped on the edge clamping portion.
[0012] In an optional solution: the moving wheel assembly includes a moving wheel body and a movable rod frame, one end of the movable rod frame is hinged to the side wall of the side bracket and the middle of the moving wheel body is connected to the switching adjustment assembly, the switching adjustment assembly can drive the moving wheel body to rotate around the connection between its end and the side bracket, the upper part of the movable rod frame is rotatably connected to an upper connecting part and the upper connecting part is hinged to the end of the movable rod frame away from the side bracket.
[0013] In an optional scheme: the switching adjustment component includes a switching motor and two screw rod parts, the two screw rod parts are symmetrically arranged on the sides of the two side brackets and rotate respectively, and one end of the two screw rod parts is provided with a pulley part, and the two pulley parts are connected by a transmission belt. The switching motor is arranged on one of the side brackets and the output end of the switching motor is connected to the end of one of the screw rod parts, both ends of the screw rod part are provided with switching screw sleeves spirally matched therewith, and the switching screw sleeve corresponds to the moving wheel assembly, and a switching rod is provided on the switching screw sleeve, and the end of the switching rod away from the switching screw sleeve is hinged to the middle part of the corresponding movable rod frame.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. In the present invention, when testing the transformer body, the entire test machine is in plane contact with the ground, and since the contact induction plate is not in direct contact with the test machine, the vibration generated by the transformer is prevented from being transmitted to the test machine, thereby reducing the impact of the test machine's own vibration on the test accuracy;
[0016] 2. In the present invention, a plurality of vibration test components act on various positions on the side wall of the transformer body respectively, and the vibration test components test the vibration of the transformer body in two ways: the displacement change caused by the vibration during laser emission senses the vibration of the transformer body and the sound generated by the vibration of the transformer body;
[0017] 3. The present invention has a simple structure and adopts a combination of two test methods to perform vibration test on the transformer body, thereby improving the test accuracy. At the same time, a switching adjustment component is used to adjust the contact state between the moving wheel component and the ground to achieve the switching between the mobile state and the stable state of the test machine, which is convenient for movement and ensures the stability of the test machine during testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1The figure is a schematic diagram of the main position structure of the testing machine and the transformer in one embodiment of the present invention.
[0019] Figure 2 The figure is a schematic diagram of the structure of a testing machine in one embodiment of the present invention.
[0020] Figure 3 This is a schematic structural diagram of a vibration test component from one perspective in an embodiment of the present invention.
[0021] Figure 4 It is a schematic structural diagram of a vibration test component in an embodiment of the present invention from another perspective.
[0022] Figure 5 It is a schematic diagram of the structure of a switching adjustment component in one embodiment of the present invention.
[0023] Figure 6 The figure is a schematic diagram of the main structure of a transformer in one embodiment of the present invention.
[0024] Notes on figure marks: frame body 100, middle main frame 110, side bracket 120, transformer body 200, test reserved cavity 210, fixed connection part 220, edge clamping part 230, moving wheel assembly 300, moving wheel body 310, upper connection part 320, movable rod frame 330, display screen 400, vibration test component 500, contact sensing disk 510, plug-in part 511, sensing receiving disk 520, mounting sleeve 530, outer frame 540, elastic telescopic rod 541, upper clamping sleeve part 542, connecting frame 550, detachable sleeve part 560, fastening bolt 570, flexible connecting wire 580, laser emitting slot 590, laser emitter 591, switching adjustment assembly 600, screw rod part 610, switching motor 620, switching screw sleeve 630, switching rod 640, pulley part 650, transmission belt 660, movable vertical rod part 700. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments; in the drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be enlarged or reduced. The various embodiments listed in the present invention are only used to illustrate the present invention and are not used to limit the scope of the present invention. Any obvious modifications or changes made to the present invention do not depart from the spirit and scope of the present invention.
[0026] The left, right, up, and down positions of the various components given in the drawings are only one arrangement method, and the specific positions are set according to specific needs.
[0027] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, a transformer vibration tester includes a frame body 100 and a plurality of vibration test components 500. The frame body 100 includes a middle frame 110 and two side brackets 120 provided at both ends of the middle frame 110. The two side brackets 120 are arranged opposite to each other and a clearance is left between the ends of the two side brackets 120 away from the middle frame 110. The transformer body 200 can be placed inside the frame body 100 through the clearance. The two side walls of the transformer body 200 are provided with test reserved cavities 21. 0 and a fixed connection part 220 is arranged on the outer side of the test reserved cavity 210; at least two moving wheel assemblies 300 are arranged on the two side brackets 120 and a switching adjustment assembly 600 is also arranged on the rack body 100, the switching adjustment assembly 600 is connected to the multiple moving wheel assemblies 300 and the switching adjustment assembly 600 is used to adjust the contact state between the moving wheel assembly 300 and the ground; each side bracket 120 is provided with at least one movable vertical rod part 700 and multiple vibration test components 500 are arranged correspondingly On the movable vertical rod 700, the vibration test component 500 includes a contact sensing disk 510, a sensing receiving disk 520 and a mounting sleeve 530. The mounting sleeve 530 is mounted on the movable vertical rod 700 and the sensing receiving disk 520 is arranged on the mounting sleeve 530. The center of the contact sensing disk 510 is connected to the sensing receiving disk 520 through a flexible connecting wire 580. The outer edge of the contact sensing disk 510 is provided with an outer frame 540 and the outer frame 540 can be buckled with the fixed connection part 220. The surface of the contact sensing disk 510 facing the sensing receiving disk 520 is provided with a plurality of laser emitting grooves 590 and a laser emitter 591 is installed inside each laser emitting groove 590. The contact sensing disk 510 is used to detect the vibration of the transformer body 200 by sensing the sound fluctuation generated by the vibration of the transformer body 200. The laser emitter 591 can emit laser light and be received by the surface of the sensing receiving disk 520 and the sensing receiving disk 520 can record the position change of the received laser light.
[0028] In the embodiment of the present invention, in the initial state, the moving wheel assembly 300 contacts the ground and plays a role in supporting the entire test machine, so the entire test machine can move, the frame body 100 moves to the outside of the transformer body 200 and the transformer body 200 enters the inside of the frame body 100 through the avoidance opening; the switching adjustment assembly 600 works and adjusts the contact state of multiple moving wheel assemblies 300 with the ground, the moving wheel assemblies 300 gradually leave the ground and the bottom of the middle main frame 110 and the two side brackets 120 gradually contact the ground, thereby ensuring the stability of the entire test machine; the outer frame 540 in the vibration test component 500 is correspondingly clamped on the fixed connection part 220, and the sound fluctuation generated by the vibration of the transformer body 200 is sensed by the outer frame 540 and the vibration is detected; at the same time, the laser emitter 591 emits a laser and the laser is contacted by the surface of the induction receiving disk 520, and the induction receiving disk 520 receives After receiving the laser, the position change of the laser is recorded. The laser position change can show the position change of the laser emitter 591 as the transformer body 200 vibrates, so that the displacement change caused by the vibration of the transformer body 200 can be recorded; therefore, the vibration data generated when the transformer body 200 is working is effectively tested; the test result is accurate; after the test is completed, the switching adjustment component 600 works and drives the moving wheel component 300 to contact the ground, and the moving wheel component 300 plays a role in supporting the entire test machine, so that the entire test machine is easy to move away from the transformer body 200; wherein, the setting of the flexible connecting wire 580 can establish an electrical connection between the contact sensing disk 510 and the sensing receiving disk 520, and at the same time, the contact sensing disk 510 and the sensing receiving disk 520 will not contact during the test, so as to avoid the vibration of the transformer body 200 affecting the movement of the frame body 100 and the contact sensing disk 510. The middle main frame 110 is also provided with a display screen 400 , and the display screen 400 is connected to a plurality of vibration test components 500 . The display screen 400 is used to display the vibration results of the vibration test components 500 when the test 200 is working.
[0029] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, the outer frame 540 and the fixed connection part 220 are both magnetic rings, the induction receiving disk 520 is a circular structure, and a connecting frame 550 is arranged on the outer edge of the induction receiving disk 520; the thickness of the outer frame 540 is less than the thickness of the contact induction disk 510; when the outer frame 540 and the fixed connection part 220 are magnetically attracted together, the surface of the contact induction disk 510 away from the induction receiving disk 520 contacts the outer wall of the transformer body 200; in the embodiment of the present invention, the outer frame 540 and the fixed connection part 220 can be connected together by magnetic attraction, which can increase the contact between the contact induction disk 510 and the outer wall of the transformer body 200 and ensure detachability and stable connection; when the outer frame 540 and the fixed connection part 220 are disassembled, the outer frame 540 can generate magnetic attraction with the connecting frame 550 and fix the contact induction disk 510 and the outer frame 540.
[0030] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, the surface of the contact sensing disk 510 away from the sensing receiving disk 520 has a plug-in portion 511. When the outer frame 540 and the fixed connection portion 220 are magnetically attracted together, the plug-in portion 511 is located inside the test reserved cavity 210 and the outer wall of the plug-in portion 511 fits with the inside of the test reserved cavity 210. In the embodiment of the present invention, since the plug-in portion 511 fits with the inner wall of the test reserved cavity 210, the vibration of the transformer body 200 can be quickly transmitted to the contact sensing disk 510 through the plug-in portion 511, which can reduce the hysteresis of vibration transmission and improve the test accuracy.
[0031] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6As shown, the mounting sleeve 530 is slidably sleeved on the movable vertical rod portion 700 and a fastening bolt 570 is installed on the outer wall of the mounting sleeve 530. The fastening bolt 570 can fix the mounting sleeve 530 on the movable vertical rod portion 700 and the mounting sleeve 530 is connected to the induction receiving plate 520 through a detachable sleeve portion 560. The detachable sleeve portion 560 is composed of a fixed column fixed on the outer wall of the mounting sleeve 530 and a sleeve sleeved on the fixed column. The sleeve is fixed to the back of the induction receiving plate 520; the top of the movable vertical rod portion 700 is connected to the top of the side bracket 120. Sliding connection; in the embodiment of the present invention, due to the sliding connection between the movable vertical rod portion 700 and the top of the side bracket 120, the horizontal position of the induction receiving disk 520 can be adjusted according to the lateral position of the fixed connection portion 220. At the same time, due to the cooperation between the mounting sleeve 530 and the movable vertical rod portion 700, the vertical position of the mounting sleeve 530 and the induction receiving disk 520 can be adjusted, thereby ensuring that the contact induction disk 510 and the induction receiving disk 520 always maintain a corresponding state; the provision of the detachable sleeve portion 560 makes it easy to disassemble and replace the induction receiving disk 520.
[0032] In one embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 As shown, an elastic telescopic rod 541 is fixedly connected at the arc top of the outer frame 540, and an upper clamping sleeve portion 542 is arranged on the top of the elastic telescopic rod 541. The top of the transformer main body 200 near the edge has an edge clamping portion 230, and the cross-section of the edge clamping portion 230 is triangular; the upper clamping sleeve portion 542 can be clamped on the edge clamping portion 230; in the embodiment of the present invention, when installing the contact sensing disk 510 and the outer frame 540, the upper clamping sleeve portion 542 is clamped on the edge clamping portion 230, and then the outer frame 540 and the contact sensing disk 510 are close to the fixed connection portion 220, and a magnetic attraction is generated between the fixed connection portion 220 and the outer frame 540, which effectively increases the connection tightness between the outer frame 540 and the contact sensing disk 510 and the transformer main body 200.
[0033] In one embodiment, Figure 1 , Figure 2 and Figure 5As shown, the moving wheel assembly 300 includes a moving wheel body 310 and a movable rod frame 330, one end of the movable rod frame 330 is hinged to the side wall of the side bracket 120 and the middle of the moving wheel body 310 is connected to the switching adjustment assembly 600, the switching adjustment assembly 600 can drive the moving wheel body 310 to rotate around the connection between its end and the side bracket 120, the upper part of the movable rod frame 330 is rotatably connected to the upper connecting part 320 and the upper connecting part 320 is hinged to the end of the movable rod frame 330 away from the side bracket 120; in the embodiment of the present invention, when the switching adjustment assembly 600 starts to work, the switching adjustment assembly 600 drives multiple The movable rod frame 330 rotates around the connection between its end and the side bracket 120, and then the upper connecting part 320 and the moving wheel body 310 rotate along with the movable rod frame 330. The moving wheel body 310 is movable in the vertical direction relative to the side bracket 120. The bottom of the moving wheel body 310 can be separated from the ground or in contact with the ground to achieve rolling support for the entire test machine or the bottom of the side bracket 120 is in contact with the ground, which can facilitate the movement of the entire test machine and the stability when testing the transformer body 200. The rotational connection between the moving wheel body 310 and the upper connecting part 320 can ensure that the moving wheel body 310 can rotate freely and move in multiple directions.
[0034] In one embodiment, Figure 1 , Figure 2 and Figure 5 As shown, the switching adjustment component 600 includes a switching motor 620 and two screw rods 610, the two screw rods 610 are respectively rotated in a symmetrical manner and are arranged on the sides of the two side brackets 120, and one end of the two screw rods 610 is provided with a pulley part 650, and the two pulley parts 650 are connected by a transmission belt 660. The switching motor 620 is arranged on one of the side brackets 120 and the output end of the switching motor 620 is connected to the end of one of the screw rods 610. Both ends of the screw rod 610 are provided with a switching screw sleeve 630 that is spirally matched therewith, and the switching screw sleeve 630 corresponds to the moving wheel assembly 300, and the switching screw sleeve 630 is provided There is a switching rod 640 and the end of the switching rod 640 away from the switching screw sleeve 630 is hinged to the middle part of the corresponding movable rod frame 330; in the embodiment of the present invention, under the drive of the switching motor 620 and the transmission of the pulley part 650 and the transmission belt 660, the two screw rod parts 610 rotate synchronously, and the rotating screw rod part 610 drives the switching screw sleeve 630 and the switching rod 640 to move along the axis of the screw rod part 610, and the switching rod 640 acts on the movable rod frame 330 and makes the movable rod frame 330 rotate around the connection between its end and the side bracket 120, thereby adjusting the contact state between the moving wheel body 310 and the ground to switch the mobile state and stable state of the entire testing machine.
[0035] The above embodiment provides a transformer vibration testing machine, wherein, in the initial state, the moving wheel assembly 300 contacts the ground and plays a role in supporting the entire testing machine, so that the entire testing machine can move, the frame body 100 moves to the outside of the transformer body 200 and the transformer body 200 enters the inside of the frame body 100 through the avoidance opening; the switching adjustment assembly 600 works and adjusts the contact state of multiple moving wheel assemblies 300 with the ground, the moving wheel assemblies 300 gradually leave the ground and the bottom of the middle main frame 110 and the two side brackets 120 gradually contact the ground, thereby ensuring the stability of the entire testing machine; the outer frame 540 in the vibration testing component 500 is correspondingly clamped on the fixed connection part 220, and the sound fluctuation generated by the vibration of the transformer body 200 is sensed by the outer frame 540 and the vibration is detected; at the same time, the laser transmitter 591 emits a laser and the laser is contacted by the surface of the induction receiving plate 520, and the induction After receiving the laser, the receiving disk 520 records the position change of the laser. The laser position change can show the position change of the laser emitter 591 as the transformer body 200 vibrates, so that the displacement change caused by the vibration of the transformer body 200 can be recorded; therefore, the vibration data generated when the transformer body 200 is working is effectively tested; the test result is accurate; after the test is completed, the switching adjustment component 600 works and drives the moving wheel component 300 to contact the ground, and the moving wheel component 300 plays a role in supporting the entire test machine, so that the entire test machine is easy to move away from the transformer body 200; wherein, the setting of the flexible connecting wire 580 can establish an electrical connection between the contact sensing disk 510 and the sensing receiving disk 520, and at the same time, the contact sensing disk 510 and the sensing receiving disk 520 will not contact during the test, so as to avoid the vibration of the transformer body 200 affecting the movement of the frame body 100 and the contact sensing disk 510.
[0036] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A transformer vibration tester, comprising a frame body and a plurality of vibration test components, wherein the frame body comprises a middle frame and two side brackets arranged at both ends of the middle frame, characterized in that: The two side brackets are arranged opposite to each other and an escape opening is left between the ends of the two side brackets away from the middle main frame, the transformer body can be placed inside the frame body through the escape opening, and the two side walls of the transformer body are provided with a test reserved cavity and a fixed connection portion is provided outside the test reserved cavity; At least two moving wheel assemblies are arranged on the two side brackets and a switching adjustment assembly is also arranged on the frame body, wherein the switching adjustment assembly is connected to the plurality of moving wheel assemblies and the switching adjustment assembly is used to adjust the contact state between the moving wheel assembly and the ground; Each side bracket is provided with at least one movable vertical rod portion and a plurality of vibration test components are correspondingly provided on the movable vertical rod portion, wherein the vibration test components include a contact induction plate, an induction receiving plate and a mounting sleeve; The mounting sleeve is mounted on the movable vertical rod and the induction receiving disk is arranged on the mounting sleeve. The center of the contact induction disk is connected to the induction receiving disk through a flexible connecting wire. The outer edge of the contact induction disk is provided with an outer frame and the outer frame can be buckled with the fixed connection part. The surface of the contact induction disc facing the induction receiving disc is provided with a plurality of laser emitting grooves and a laser emitter is installed inside each laser emitting groove; The contact induction disc is used to detect the vibration of the transformer body by sensing the sound fluctuations generated by the vibration of the transformer body; The laser transmitter can emit laser light and receive it on the surface of the inductive receiving disk, and the inductive receiving disk can record the position change of the received laser light.
2. The transformer vibration testing machine according to claim 1, characterized in that: The outer frame and the fixed connection part are both magnetic rings, the induction receiving disk is a circular structure and a connecting frame is arranged on the outer edge of the induction receiving disk; The thickness of the outer frame is smaller than that of the contact induction disk; when the outer frame and the fixed connection part are magnetically attracted together, the surface of the contact induction disk away from the induction receiving disk contacts the outer wall of the transformer body.
3. The transformer vibration testing machine according to claim 2, characterized in that: The surface of the contact induction disc away from the induction receiving disc has an inserting portion. When the outer frame and the fixed connection portion are magnetically attracted together, the inserting portion is inside the test reserved cavity and the outer wall of the inserting portion fits the inside of the test reserved cavity.
4. The transformer vibration testing machine according to claim 3, characterized in that: The mounting sleeve is slidably mounted on the movable vertical rod portion and a fastening bolt is installed on the outer wall of the mounting sleeve, the fastening bolt can fix the mounting sleeve thereon and the mounting sleeve is connected to the induction receiving disk via a detachable sleeve portion, the detachable sleeve portion is composed of a fixing column fixed on the outer wall of the mounting sleeve and a sleeve mounted on the fixing column, the sleeve is fixed to the back of the induction receiving disk; the top of the movable vertical rod portion is slidably connected to the top of the side bracket.
5. The transformer vibration testing machine according to claim 4, characterized in that: An elastic telescopic rod is fixedly connected to the arc top of the outer frame and an upper clamping sleeve is arranged on the top of the elastic telescopic rod. An edge clamping portion is provided near the edge of the top of the transformer body and the cross-section of the edge clamping portion is triangular; the upper clamping sleeve can be clamped on the edge clamping portion.
6. The transformer vibration testing machine according to claim 1, characterized in that: The moving wheel assembly comprises a moving wheel body and a movable rod frame; One end of the movable rod frame is hinged to the side wall of the side bracket and the middle part of the movable wheel body is connected to the switching adjustment component. The switching adjustment component can drive the movable wheel body to rotate around the connection between its end and the side bracket. The upper part of the movable rod frame is rotatably connected to the upper connecting part and the upper connecting part is hinged to the end of the movable rod frame away from the side bracket.
7. The transformer vibration testing machine according to claim 6, characterized in that: The switching adjustment assembly includes a switching motor and two screw rod parts; The two screw rods are symmetrically arranged on the sides of the two side brackets and are respectively rotated. One end of each of the two screw rods is provided with a pulley. The two pulleys are connected by a transmission belt. The switching motor is arranged on one of the side brackets and the output end of the switching motor is connected to the end of one of the screw rods. Both ends of the screw rod are provided with switching screw sleeves that are spirally matched therewith, and the switching screw sleeve corresponds to the moving wheel assembly. A switching rod is provided on the switching screw sleeve, and the end of the switching rod away from the switching screw sleeve is hinged to the middle of the corresponding movable rod frame.