CN115463862A - Transformer withstand voltage test mechanism - Google Patents

Abstract

The invention discloses a transformer withstand voltage testing mechanism, which comprises: a mount, comprising: the pressure-resistant testing device comprises a bottom plate, a bearing plate and a top plate, wherein the bottom plate, the bearing plate and the top plate are sequentially arranged from bottom to top in the vertical direction, the bottom plate, the bearing plate and the top plate are fixedly connected through connecting rods, a placing space is defined between the bottom plate and the bearing plate, and a pressure-resistant testing space is defined between the bearing plate and the top plate; the material receiving module is arranged at the front end of the fixing frame; the workpiece conveying module is fixedly arranged on the top plate, and the workpiece conveying module is partially positioned in the pressure-resistant test space; and the pressure-resistant test modules are arranged at least two groups and movably arranged on the bearing plate. According to the invention, manual operation is not needed, the automation degree is high, the testing efficiency of the transformer is greatly improved, the working efficiency is finally improved, and the cost is reduced.

Description

Transformer withstand voltage test mechanism

Technical Field

The invention relates to the field of transformer testing. More specifically, the present invention relates to a transformer withstand voltage test mechanism.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core.

In the field of testing transformers, it is known to use testing devices of different configurations to perform testing of transformers. In the process of researching and implementing the test of the transformer, the inventor finds that the test device in the prior art has at least the following problems:

the existing transformer testing device needs more manual aids to be arranged, is used as periodic labor, and has the advantages of lower automation degree, low working efficiency, higher cost and lower manual detection accuracy, which can cause defective products to flow out or repeated tests, and further reduces the working efficiency.

In view of the above, it is necessary to develop a transformer withstand voltage testing mechanism to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide a transformer voltage-withstand test mechanism which is characterized in that a material receiving module is used for receiving and transferring a transformer, a workpiece conveying module is used for controlling the transformer to move, a voltage-withstand test is carried out on the transformer through the voltage-withstand test module, and a first recovery module is used for recovering unqualified transformers.

To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a transformer withstand voltage testing mechanism including: a mount, comprising: the pressure-resistant testing device comprises a bottom plate, a bearing plate and a top plate, wherein the bottom plate, the bearing plate and the top plate are sequentially arranged from bottom to top in the vertical direction, the bottom plate, the bearing plate and the top plate are fixedly connected through connecting rods, a placing space is defined between the bottom plate and the bearing plate, and a pressure-resistant testing space is defined between the bearing plate and the top plate;

the material receiving module is arranged at the front end of the fixing frame;

the workpiece conveying module is fixedly arranged on the top plate, and the part of the workpiece conveying module is positioned in the pressure-resistant test space; and

the pressure-resistant test modules are not less than two groups and movably arranged on the bearing plate;

the first bearing part is arranged on the surface of the bearing plate and used for bearing a transformer to be tested, the first bearing part is butted with the material receiving module, and the voltage withstanding test module is positioned at the side end of the first bearing part;

the workpiece conveying module comprises: a transport driver fixedly mounted on the top plate;

a fixing plate fixedly mounted below the top plate; and

the pushing units are arranged at the side end part of the fixed plate in a pairwise symmetric manner, are in transmission connection with the power output end of the conveying driver by virtue of the switching block and the slide rail, are fixedly connected with the movable part of the slide rail, and at least partially coincide with the projection of the transformer on the first bearing part in the horizontal direction;

the material receiving module receives a transformer to be tested from an upstream module and then drives the transformer to be tested to move in the vertical direction, so that the transformer to be tested is aligned with the top surface of the first bearing part, the conveying driver drives the material pushing unit to move in the horizontal direction, the material pushing unit is controlled to push the transformer to be tested on the material receiving module to the two voltage withstanding test modules respectively along the extending direction of the first bearing part, and the two voltage withstanding test modules respectively carry out voltage withstanding tests on different transformers.

Preferably, the pushing unit includes: the fixed block is fixedly connected with the movable part of the slide rail;

the material pushing block is positioned between the fixed block and the fixed plate and is rotationally connected with the fixed block; and

the limiting block is fixedly arranged on the fixing plate and is positioned above the material pushing block;

wherein the pusher block comprises: a limiting part; and

the material pushing portion is integrally formed with the limiting portion and located on the surface of the limiting portion and extends towards the direction far away from the limiting portion, and the material pushing portion is connected with the limiting block in a rotating mode.

Preferably, the material receiving module comprises: a lifting driver fixedly mounted on the bottom plate;

the material bearing block is in transmission connection with the power output end of the lifting driver;

the lifting driver drives the bearing block to reciprocate along the vertical direction so as to control the bearing block to be respectively butted with the upstream module and the first bearing part.

Preferably, at least two guide blocks are arranged on the top of the material bearing block, the two guide blocks are symmetrically arranged,

the transformer testing device is characterized in that a positioning part is arranged in the central area of the top of the material bearing block, the positioning part extends from the top surface of the material bearing block towards the direction far away from the material bearing block, the positioning part is located between the two guide blocks, and the positioning part positions the transformer to be tested.

Preferably, withstand voltage test module is equipped with and is no less than two sets of, withstand voltage test module includes: the test driver is fixedly arranged on the bearing plate through a fixing block;

the at least two switching blocks are in transmission connection with the power output end of the test driver; and

each testing block is fixedly connected with one corresponding switching block;

the testing block is fixedly provided with a testing rod, one end part of the testing rod is electrically connected with the withstand voltage tester, and the testing block is symmetrically arranged at two side ends of the first bearing part;

the test driver drives the test block to perform opening and closing movement so as to control the test rod to be in contact connection or separation with or from the transformer to be tested.

Preferably, the number of the test rods mounted on different test blocks is different.

Preferably, at least two standing grooves are formed in the central area of the fixing plate, each standing groove is internally and fixedly provided with a pressing module, and each pressing module comprises: the pressing driver is fixedly arranged in the placing groove; and

the pressing head is in transmission connection with the power output end of the pressing driver;

the pressure head is made of an insulating flexible material.

Preferably, the method further comprises the following steps: the number of the blocking modules is not less than two, and each blocking module is respectively positioned at the side of the corresponding voltage withstanding test module;

the blocking module comprises: the blocking driver is fixedly arranged below the bearing plate through a guide block; and

the blocking block is in transmission connection with the power output end of the blocking driver;

the surface of the guide block is provided with a guide groove, and the stop block is positioned in the guide groove.

Preferably, the method further comprises the following steps: the first recovery module is arranged at the discharge end of the first bearing part;

the first recycling module comprises: a first recovery switching unit;

the number of the first recovery material racks is not less than two, and the two first recovery material racks are symmetrically arranged; and

the number of the pushing drivers is at least two, the pushing drivers are symmetrically arranged on the bearing plate, and the axis of each pushing driver is superposed with the axis of the corresponding first recovery material rack;

the first recovery switching unit is respectively connected with each first recovery rack in an abutting mode.

Preferably, the first recovery switching unit includes: a bearing seat;

a first switching driver fixedly mounted on the bearing seat;

the fine adjustment driver is in transmission connection with the power output end of the first switching driver through an adapter plate; and

the first switching plate is in transmission connection with the power output end of the fine adjustment driver;

wherein a second bearing part is arranged at the top area of the first switching plate.

One of the above technical solutions has the following advantages or beneficial effects: according to the transformer pressure-resistant test system, the transformer is subjected to material receiving transfer through the material receiving module, the transformer is controlled to move through the workpiece conveying module, the pressure-resistant test is performed on the transformer through the pressure-resistant test module, unqualified transformers are recovered through the first recovery module, the overall layout is reasonable and compact, the occupied space is small, manual operation is not needed, the automation degree is high, the test efficiency of the transformer is greatly improved, the working efficiency is finally improved, and the cost is reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not limiting thereof, wherein:

fig. 1 is a three-dimensional structural view of a voltage withstand test mechanism of a transformer according to an embodiment of the present invention;

fig. 2 is a front view of the transformer withstand voltage testing mechanism according to an embodiment of the present invention after hiding the receiving module and the first recycling module;

fig. 3 is a three-dimensional structure view of the receiving module according to an embodiment of the invention;

fig. 4 is a side view of a receiving module according to an embodiment of the invention;

fig. 5 is a three-dimensional structural view of a workpiece conveying module according to an embodiment of the present invention;

fig. 6 is an exploded view of a workpiece transport module according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a workpiece transport module according to one embodiment of the present invention;

FIG. 8 is a three-dimensional structural view of a voltage withstand test module according to an embodiment of the present invention;

fig. 9 is a three-dimensional structural view of a barrier module according to an embodiment of the present invention;

FIG. 10 is a three-dimensional structural view of a first recycling module according to an embodiment of the present invention;

fig. 11 is a three-dimensional structural view of a first recovery switching unit according to an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to the relationship of structures being secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.

According to an embodiment of the present invention, referring to fig. 1 to 11, it can be seen that, the transformer withstand voltage testing mechanism 2 includes: a mount 21, which includes: the pressure-resistant testing device comprises a bottom plate 211, a bearing plate 212 and a top plate 213, wherein the bottom plate 211, the bearing plate 212 and the top plate 213 are sequentially arranged from bottom to top in the vertical direction, the bottom plate 211, the bearing plate 212 and the top plate 213 are fixedly connected through a connecting rod 214, a placing space is defined between the bottom plate 211 and the bearing plate 212, and a pressure-resistant testing space is defined between the bearing plate 212 and the top plate 213;

a receiving module 22 disposed at the front end of the fixing frame 21;

a workpiece conveying module 23 fixedly mounted on the top plate 213, wherein the workpiece conveying module 23 is partially located in the pressure-resistant test space; and

at least two groups of pressure-resistant test modules 24 are arranged, and the pressure-resistant test modules 24 are movably mounted on the supporting plate 212;

the surface of the supporting plate 212 is provided with a first supporting part 2121, the first supporting part 2121 supports the transformer to be tested, the first supporting part 2121 is butted with the receiving module 22, and the voltage withstanding testing module 24 is located at the side end of the first supporting part 2121;

the workpiece conveying module 23 includes: a conveyance driver 231 fixedly attached to the top plate 212;

a fixing plate 232 fixedly attached to a lower portion of the top plate 213; and

the pushing units 233 are symmetrically arranged at the side end of the fixing plate 232 in pairs, the pushing units 233 are in transmission connection with the power output end of the conveying driver 231 through the transfer block 234 and the slide rail 235, the pushing units 233 are fixedly connected with the movable part of the slide rail 235, and the projections of the pushing units 233 and the transformer on the first bearing part 2121 in the horizontal direction are at least partially overlapped;

the material receiving module 22 receives a transformer to be tested from an upstream module and then drives the transformer to be tested to move in a vertical direction, so that the transformer to be tested is aligned with the top surface of the first bearing part 2121, the conveying driver 231 drives the material pushing unit 233 to move in a horizontal direction, so as to control the material pushing unit 233 to push the transformer to be tested on the material receiving module 22 to two voltage withstanding test modules 24 respectively along the extending direction of the first bearing part 2121, and the two voltage withstanding test modules 24 respectively perform voltage withstanding tests on different transformers.

Further, the material pushing unit 233 includes: a fixed block 2331 fixedly connected to a movable portion of the slide rail 235;

a push block 2332, which is located between the fixing block 2331 and the fixing plate 232, and the push block 2332 is rotatably connected with the fixing block 2331; and

a limit block 2333 fixedly mounted on the fixing plate 232, wherein the limit block 2333 is positioned above the material pushing block 2332;

wherein the pusher block 2332 comprises: a stopper 23321; and

a pushing part 23322 integrally formed with the limiting part 23321, wherein the pushing part 23322 extends in a direction away from the limiting part 23321 on the surface of the limiting part 23321, and the pushing part 23322 is rotatably connected with the limiting part 2333.

Further, the material receiving module 22 includes: a lifting driver 221 fixedly installed on the base plate 211;

the material receiving block 222 is in transmission connection with the power output end of the lifting driver 221;

the lifting driver 221 drives the support block 222 to reciprocate along the vertical direction, so as to control the support block 222 to be respectively connected with the upstream module and the first support part 2121.

It can be understood that the lifting driver 221 drives the support block 222 to move downward along the vertical direction, so that the support block 222 is abutted with an upstream module, after the support block 222 receives a transformer to be tested at the upstream module, the lifting driver 222 drives the support block 222 to move upward along the vertical direction, so that the support block 222 is abutted with the first support part 2121, and the conveying driver 231 controls the material pushing unit 233 to push the transformer to be tested to two voltage withstanding test modules 24 for voltage withstanding test.

Further, at least two guide blocks 223 are arranged on the top of the material-receiving block 222, the two guide blocks 223 are symmetrically arranged,

a positioning portion 2221 is arranged in the central area of the top of the material bearing block 222, the positioning portion 2221 extends from the top surface of the material bearing block 222 to a direction away from the material bearing block 222, the positioning portion 2221 is located between the two guide blocks 223, and the positioning portion 2221 positions the transformer to be tested.

It can be understood that, by providing two guide blocks 223 to guide the transformer, and simultaneously, setting the positioning portion 2221 to position the transformer, the transformer is prevented from moving freely.

Further, withstand voltage test module 24 is equipped with and is no less than two sets of, withstand voltage test module 24 includes: a test driver 241 fixedly mounted on the support plate 212 by a fixing block 242;

at least two transfer blocks 243 drivingly connected to the power take-off of the test driver 241; and

at least two test blocks 244, wherein each test block 244 is fixedly connected with a corresponding one of the switching blocks 243;

a testing rod 245 is fixedly mounted on the testing block 244, one end of the testing rod 245 is electrically connected with the withstand voltage tester, and the testing block 244 is symmetrically arranged at two side ends of the first supporting part 2121;

the test driver 241 drives the test block 244 to perform an opening and closing movement to control the test rod 245 to be in contact connection with or separated from the transformer to be tested.

It can be understood that the test driver 241 controls the test rod 245 to contact with a transformer to be tested, the withstand voltage tester performs a withstand voltage test on the transformer, after the test is completed, the test driver 241 controls the test rod 245 to be separated from the transformer, and the workpiece conveying module 23 continues to push the transformer to move.

Further, the number of the testing rods 245 installed on different testing blocks 244 is different, so that the voltage withstanding testing module 244 can test transformers of different models, and has universality.

Further, at least two standing grooves 2321 have been seted up to the central zone of fixed plate 232, every equal fixed mounting has pressfitting module 25 in the standing groove 2321, pressfitting module 25 includes: a pressing driver 251 fixedly installed in the placing groove 2321; and

the pressure head 2322 is in transmission connection with the power output end of the pressing driver 251; the indenter 2322 is made of an insulating flexible material.

It can be understood that the pressing driver 251 controls the pressing head 2322 to perform pressing fastening on the transformer to be tested, so as to prevent the transformer from moving randomly during testing, thereby affecting the testing procedure, and meanwhile, the pressing head 2322 is made of an insulating flexible material so as to prevent the pressing head from damaging the transformer.

Further, the transformer withstand voltage testing mechanism 2 further includes: two more sets of barrier modules 26, wherein each set of barrier modules 26 is located beside a corresponding set of voltage withstand test modules 24;

the blocking module 26 includes: a blocking driver 261 fixedly installed below the support plate 212 by a guide block 262; and

a blocking piece 263, which is in transmission connection with the power output of the blocking driver 261;

a guide groove 2621 is formed on a surface of the guide block 262, and the blocking block 263 is located in the guide groove 263.

It can be understood that the blocking driver 261 drives the blocking block 263 to move in the vertical direction, so as to control the blocking block 263 to block the transformer, and prevent the workpiece conveying module 23 from excessively driving the transformer to be tested to move, thereby affecting the testing process, and meanwhile, the blocking block 263 is located in the guide groove 263, so that the overall structure is compact, and the occupied space is reduced.

Further, the transformer withstand voltage testing mechanism 2 further includes: a first recycling module 27 disposed at the discharge end of the first support portion 2121;

the first recycling module 27 includes: a first recovery switching unit 271;

at least two first recycling racks 272 are arranged, and the two first recycling racks 272 are symmetrically arranged; and

at least two pushing drivers 273, wherein the pushing drivers 273 are symmetrically installed on the supporting plate 212, and the axis of each pushing driver 273 coincides with the axis of a corresponding first material recycling rack 272;

the first recycle switching unit 271 interfaces with each of the first recycle stacks 272, respectively.

It can be understood that, when the voltage withstanding test module 244 detects that the transformer is qualified, the first recovery switching unit 271 is butted with a blanking device after the discharging end of the first supporting part 2121 receives the qualified transformer, and the qualified transformer is blanked;

when the voltage withstanding test module 244 detects that the transformer is unqualified, the first recovery switching unit 271 receives the unqualified transformer at the discharge end of the first supporting part 2121 and then is abutted with any one of the first recovery racks 272, the material pushing driver 273 pushes the unqualified transformer to the first recovery racks 272 for recovery, and meanwhile, the two groups of first recovery racks 272 are arranged so that the unqualified transformer can be alternatively recovered, and the working efficiency is improved.

Further, the first recovery switching unit 271 includes: a bearing seat 2711;

a first switching driver 2712 fixedly mounted on the holder base 2711;

a fine adjustment driver 2713 which is in transmission connection with the power output end of the first switching driver 2712 through an adapter plate 2715; and

a first switching plate 2714 which is in transmission connection with a power output end of the fine adjustment driver 2713;

wherein the top region of the first switching plate 2714 is provided with a second support portion 27141.

It is understood that the first switch driver 2712 and the fine tuning driver 2713 adjust the position of the first switch plate 2714, and the fine tuning driver 2713 fine tunes the position of the first switch plate 2714;

when the voltage withstanding test module 244 detects that the transformer is qualified, the first switch driver 2712 and the fine tuning driver 2713 control the second supporting part 27441 to be abutted with the first supporting part 2121 to receive the qualified transformer from the discharging end of the first supporting part 2121, and then the first switch driver 2712 and the fine tuning driver 2713 control the second supporting part 27441 to be abutted with a discharging device to discharge the qualified transformer;

when the voltage withstanding test module 244 detects that the transformer is unqualified, the first switching driver 2712 and the fine tuning driver 2713 first control the second supporting portion 27441 to be abutted with the first supporting portion 2121 so as to receive the unqualified transformer from the discharge end of the first supporting portion 2121, the first switching driver 2712 and the fine tuning driver 271 then control the second supporting portion 27441 to be abutted with any one of the first recycling racks 272, and the pushing driver 273 pushes the unqualified transformer to the first recycling rack 272 for recycling.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a transformer withstand voltage accredited testing organization which characterized in that includes:

a mount (21) comprising: the pressure-resistant testing device comprises a bottom plate (211), a bearing plate (212) and a top plate (213), wherein the bottom plate (211), the bearing plate (212) and the top plate (213) are sequentially arranged from bottom to top in the vertical direction, the bottom plate (211), the bearing plate (212) and the top plate (213) are fixedly connected through a connecting rod (214), a placing space is defined between the bottom plate (211) and the bearing plate (212), and a pressure-resistant testing space is defined between the bearing plate (212) and the top plate (213);

the material receiving module (22) is arranged at the front end of the fixing frame (21);

the workpiece conveying module (23) is fixedly arranged on the top plate (213), and the workpiece conveying module (23) is partially positioned in the pressure-resistant test space; and

the pressure resistance test modules (24) are not less than two groups, and the pressure resistance test modules (24) are movably arranged on the bearing plate (212);

the surface of the bearing plate (212) is provided with a first bearing part (2121), the first bearing part (2121) bears a transformer to be tested, the first bearing part (2121) is butted with the material receiving module (22), and the voltage resistance test module (24) is positioned at the side end of the first bearing part (2121);

the workpiece conveying module (23) comprises: a conveyance driver (231) fixedly attached to the top plate (212);

a fixing plate (232) fixedly attached to the lower side of the top plate (213); and

the pushing units (233) are arranged at the side end of the fixing plate (232) in a pairwise symmetric manner, the pushing units (233) are in transmission connection with the power output end of the conveying driver (231) through the transfer block (234) and the sliding rail (235), the pushing units (233) are fixedly connected with the movable part of the sliding rail (235), and the projections of the pushing units (233) and the transformer on the first bearing part (2121) in the horizontal direction are at least partially overlapped;

the material receiving module (22) receives a transformer to be tested from an upstream module and then drives the transformer to be tested to move in the vertical direction, so that the transformer to be tested is aligned with the top surface of the first bearing part (2121), the conveying driver (231) drives the material pushing unit (233) to move in the horizontal direction, so that the material pushing unit (233) is controlled to push the transformer to be tested on the material receiving module (22) to two voltage withstand test modules (24) along the extending direction of the first bearing part (2121), and the two voltage withstand test modules (24) respectively perform voltage withstand test on different transformers.

2. The transformer withstand voltage testing mechanism according to claim 1, wherein the material pushing unit (233) comprises: the fixed block (2331) is fixedly connected with the movable part of the sliding rail (235);

a material pushing block (2332) which is positioned between the fixing block (2331) and the fixing plate (232), and the material pushing block (2332) is rotatably connected with the fixing block (2331); and

a limiting block (2333) which is fixedly arranged on the fixing plate (232), and the limiting block (2333) is positioned above the material pushing block (2332);

wherein the pusher block (2332) comprises: a stopper portion (23321); and

the pushing part (23322) is integrally formed with the limiting part (23321), the pushing part (23322) extends in the direction away from the limiting part (23321) on the surface of the limiting part (23321), and the pushing part (23322) is rotatably connected with the limiting part (2333).

3. The transformer withstand voltage testing mechanism of claim 1, wherein the material receiving module (22) comprises: a lifting driver (221) fixedly mounted on the bottom plate (211);

the material bearing block (222) is in transmission connection with the power output end of the lifting driver (221);

the lifting driver (221) drives the bearing block (222) to reciprocate along the vertical direction so as to control the bearing block (222) to be respectively butted with an upstream module and the first bearing part (2121).

4. The transformer withstand voltage testing mechanism according to claim 3, wherein at least two guide blocks (223) are disposed on the top of the material-receiving block (222), the two guide blocks (223) are symmetrically disposed,

the center area of the top of the material bearing block (222) is provided with a positioning part (2221), the positioning part (2221) extends from the top surface of the material bearing block (222) to the direction far away from the material bearing block (222), the positioning part (2221) is positioned between the two guide blocks (223), and the positioning part (2221) positions the transformer to be tested.

5. The transformer withstand voltage testing mechanism according to claim 1, wherein the withstand voltage testing modules (24) are provided in at least two groups, and the withstand voltage testing modules (24) comprise: a test driver (241) fixedly mounted on the support plate (212) through a fixing block (242);

at least two transfer blocks (243) in driving connection with the power output end of the test driver (241); and

at least two test blocks (244), wherein each test block (244) is fixedly connected with a corresponding transfer block (243);

the testing block (244) is fixedly provided with a testing rod (245), one side end part of the testing rod (245) is electrically connected with the withstand voltage tester, and the testing block (244) is symmetrically arranged at two side ends of the first bearing part (2121);

the test driver (241) drives the test block (244) to open and close so as to control the test rod (245) to be in contact connection with or separated from a transformer to be tested.

6. The transformer withstand voltage testing mechanism according to claim 1, wherein the number of the testing rods (245) mounted on different testing blocks (244) is different.

7. The transformer withstand voltage testing mechanism according to claim 1, wherein at least two placement grooves (2321) are formed in a central region of the fixing plate (232), a pressing module (25) is fixedly mounted in each placement groove (2321), and the pressing module (25) includes: the pressing driver (251) is fixedly arranged in the placing groove (2321); and

the pressure head (2322) is in transmission connection with the power output end of the pressing driver (251);

the pressure head (2322) is made of an insulating flexible material.

8. The transformer withstand voltage testing mechanism of claim 1, further comprising: the number of the blocking modules (26) is not less than two, and each group of the blocking modules (26) is respectively positioned at the side of the corresponding group of the voltage withstanding testing modules (24);

the blocking module (26) comprises: a blocking driver (261) fixedly installed below the support plate (212) through a guide block (262); and

the blocking block (263) is in transmission connection with the power output end of the blocking driver (261);

the surface of the guide block (262) is provided with a guide groove (2621), and the stop block (263) is positioned in the guide groove (263).

9. The transformer withstand voltage testing mechanism of claim 1, further comprising: a first recovery module (27) arranged at a discharge end of the first bolster (2121);

the first recovery module (27) comprises: a first recovery switching unit (271);

the number of the first recovery racks (272) is not less than two, and the two first recovery racks (272) are symmetrically arranged; and

the number of the material pushing drivers (273) is not less than two, the material pushing drivers (273) are symmetrically arranged on the bearing plate (212), and the axis of each material pushing driver (273) is superposed with the axis of the corresponding first recovery material rack (272);

the first recycling switching unit (271) is respectively butted with each first recycling rack (272).

10. The transformer withstand voltage testing mechanism according to claim 9, wherein the first recovery switching unit (271) comprises: a bearing seat (2711);

a first switching driver (2712) fixedly mounted on the bearing block (2711);

the fine adjustment driver (2713) is in transmission connection with the power output end of the first switching driver (2712) through an adapter plate (2715); and

a first switching plate (2714) which is in transmission connection with the power output end of the fine adjustment driver (2713);

wherein a top region of the first switching plate (2714) is provided with a second bearing section (27141).

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