Assembly testing machine of transformer

Abstract

The utility model relates to the technical field of assembling and testing of transformers, in particular to an assembling and testing machine of a transformer, which can be used for automatically assembling and testing a coil and iron core assembly and a lower shell of the transformer through bolts, and is good in practicability. Comprising a conveying belt and a rack, the device comprises a rack and further comprises an auxiliary feeding frame, two lifting cylinders, two mounting frames, two sliding groove rails, a plurality of hanging rods, two insulating plates, a plurality of wedge blocks, a plurality of electric screwdrivers and a testing assembly, the auxiliary feeding frame is installed on the rack, the two lifting cylinders are installed on the rack, the two mounting frames are installed at the lower ends of the two lifting cylinders respectively, and the two mounting frames are installed on the lower ends of the two wedge blocks respectively. The two sliding groove rails are installed on the two installation frames in a lifting and sliding mode respectively, the multiple hanging rods are divided into two groups and symmetrically installed on the two sliding groove rails in a sliding mode, the two insulating plates are installed at the lower ends of the two groups of hanging rods in a clamped mode respectively, the multiple wedge blocks are installed on the multiple hanging rods respectively, and the multiple electric screwdrivers are symmetrically installed on the two installation frames. And the two test assemblies are respectively arranged on the two chute rails.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer assembly testing, in particular to a transformer assembly testing machine. Background Art

[0002] The role of the transformer in the power system is to transform the voltage to facilitate the transmission of power. It is an indispensable device in the power system. The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core. The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization, etc. In order to ensure that the transformer can work reliably, it needs to be tested by a test device.

[0003] In order to improve the work efficiency of transformer assembly and testing, the Chinese utility model patent with the prior art application number CN202321658323.0 proposes a transformer assembly and testing device, in which the transformer is placed in the test slot of the test plate, and the first detector is installed at one end of the movable detection plate, and is paired and arranged above the test plate. The driving cylinder drives the mounting block to squeeze and snap the transformer for installation, and after assembly, the first detector abuts against one end of the transformer, and under the squeezing of the driving cylinder, the other end of the transformer abuts against the second detector, and the switch is controlled by the controller to perform power-on testing, so that it can be easily assembled and tested, thereby improving work efficiency, and the guide component is set to enhance the lifting accuracy of the movable detection plate, thereby enhancing the accuracy of assembly and detection.

[0004] However, the above device adopts a squeeze-fitting method for assembling the transformer, and the coil and core assembly cannot be automatically screwed into the transformer housing. The coil and core assembly of most larger transformers are installed by bolts, so improvement is needed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a transformer assembly and testing machine which can automatically assemble and test the coil and core assembly with the lower housing of the transformer with bolts and has good practicality.

[0006] The utility model discloses a transformer assembly test machine, comprising a conveyor belt and a frame, wherein the conveyor belt is horizontally mounted on the frame; the utility model also comprises an auxiliary material loading frame, two lifting cylinders, two mounting frames, two slide groove rails, a plurality of hanging rods, two insulating plates, a plurality of wedge blocks, a plurality of electric screwdrivers and a test assembly, wherein the auxiliary material loading frame is mounted on the frame, the auxiliary material loading frame is located above the conveyor belt, the fixed ends of the two lifting cylinders are mounted on the frame, the two mounting frames are respectively mounted on the lower ends of the telescopic rods of the two lifting cylinders, the two mounting frames are symmetrically arranged, the two slide groove rails are respectively lifted and slidably mounted on the two mounting frames, the plurality of hanging rods are divided into two groups, the upper ends of one group of hanging rods are symmetrically slidably mounted on a slide groove rail, and the upper ends of the other group of hanging rods are slidably mounted On another slide rail, two insulating plates are respectively clamped on the lower ends of two groups of hanging rods, multiple wedge blocks are respectively installed on multiple hanging rods, and wedge slopes are set on the outer ends of the multiple wedge blocks, which are respectively aligned with multiple bolts, and multiple electric screwdrivers are symmetrically installed on two mounting racks. The multiple electric screwdrivers are used to tighten the bolts, and two test assemblies are respectively installed on the two slide rails; when working, multiple bolts are clamped on the multiple electric screwdrivers, and the conveyor belt transports the lower shell of the transformer, and the coil and the core assembly are placed on the auxiliary loading rack, and the auxiliary loading rack transports the coil and the core assembly to between the two mounting racks. Two insulating plates hold both sides of the bottom plate of the coil and the core assembly, and the two test assemblies are respectively connected to the input of the coil and the core assembly. The wiring of the coil and the wiring of the output coil are connected, the piston rods of the two lifting cylinders are extended to lower the two mounting frames, the coil and the core assembly are placed in the bottom of the transformer lower shell, and the mounting holes of the bottom plate of the coil and the core assembly are aligned with the holes of the transformer lower shell respectively, the piston rods of the two lifting cylinders continue to extend synchronously to push the two mounting frames to drive multiple electric screwdrivers to descend in height, and multiple electric screwdrivers tighten the bolts into the holes of the transformer lower shell respectively to complete the assembly of the coil and the core assembly with the transformer lower shell, the two insulating plates are located between the coil and the core assembly and the transformer lower shell as pads, and in the process of tightening the bolts, the multiple bolts push the wedge-shaped slopes of the multiple wedges respectively, so that the multiple wedges respectively carry The multiple hanging rods are moved along the two slide rails so that the lower ends of the multiple hanging rods are disengaged from the two insulating plates. Since the two slide rails are respectively lifted and slidably installed on the two mounting frames, the multiple hanging rods will not hinder the descent of the two mounting frames. In this process, the two test assemblies complete the test of the insulation performance and conduction performance of the two-stage coils of the coil and the iron core assembly. After the coil and the iron core assembly are assembled to the lower shell of the transformer, the piston rods of the two lifting cylinders are contracted to lift the two mounting frames. The two mounting frames drive the two test assemblies, the two slide rails, the multiple hanging rods and the multiple electric screwdrivers to lift out of the lower shell of the transformer, so as to realize the automatic bolt assembly and testing of the coil and the iron core assembly with the lower shell of the transformer, which has good practicality.

[0007] Preferably, it also includes multiple slots and multiple blocks. Multiple slots are set on the outer walls of the two insulating plates, and the multiple slots are horizontally arranged. Multiple blocks are set at the lower ends of the multiple hanging rods, and the multiple blocks are respectively matched and aligned with the multiple slots; the multiple blocks at the lower ends of the multiple hanging rods are respectively clamped in the multiple slots, so that the lower ends of the multiple hanging rods and the two insulating plates can be detachably clamped. When the multiple bolts squeeze and push the multiple wedge blocks, the multiple wedge blocks respectively drive the multiple hanging rods to move horizontally, so that the multiple blocks are respectively disengaged from the multiple slots. The structure is simple, convenient for clamping and disassembly, and has good practicality.

[0008] Preferably, it also includes multiple springs, the two ends of the multiple springs are respectively connected to the multiple hanging rods, and the elastic force of the multiple springs resets the multiple hanging rods; when the multiple card blocks are respectively disengaged from the multiple card slots, the elastic force of the multiple springs causes the multiple hanging rods to slide and reset, preparing for the next installation with the two insulating plates.

[0009] Preferably, it also includes multiple magnetic heads, and magnetic heads are arranged on the output shafts of multiple electric screwdrivers, and the multiple magnetic heads are magnetic; the multiple magnetic heads can absorb multiple bolts, achieve quick clamping and prevent the bolts from falling off, and also make the multiple bolts more stable when initially pushing the wedge-shaped slope of multiple wedge blocks.

[0010] Preferably, the test assembly includes a bracket and a wiring slot, the lower end of the bracket is installed on the slide rail, and the upper end of the bracket is installed with the wiring slot, and a plurality of cable wiring slot holes are arranged on the wiring slot; the wiring slot is electrically connected to the insulation tester and the main body of the other testers, and after the coil and the core assembly are supported by two insulating plates, the plurality of cable wiring slot holes of the two wiring slots are respectively plugged and connected with the wiring terminals of the primary coil and the secondary coil, and the coil and the core assembly are tested accordingly during the process of hoisting and lowering the coil and the core assembly, and when the bolts are tightened to lock the coil and the core assembly with the lower shell of the transformer, the two slide rails are raised relative to the two mounting frames, so that the two slide rails raise the two wiring slots through the two brackets, so that the two wiring slots are separated from the above-mentioned wiring terminals, and the structure is simple and practical.

[0011] Preferably, it also includes two slide rails, which are respectively vertically installed on two mounting frames, and two slide groove rails are respectively slidably connected to the two slide rails; the two slide groove rails are respectively installed on the two mounting frames through the two slide rails, so that the lifting and lowering of the two slide groove rails is more stable and smooth.

[0012] Preferably, the auxiliary loading rack includes a platform, multiple sliders, a support and two slide rails 2. The platform is horizontally installed on the frame, and the multiple sliders are installed on the platform. The multiple sliders are arranged in two rows in parallel. Two slide rails 2 are installed in parallel on the lower end surface of the support, and the two slide rails 2 are slidably connected to the multiple sliders. The coil and the iron core assembly are placed on the support, and the support is pushed so that the two slide rails 2 slide on the multiple sliders, thereby driving the support to move. When the support is extended out of the platform, the two slide rails 2 and the multiple sliders cooperate to support the support.

[0013] Compared with the prior art, the utility model has the following beneficial effects: during operation, multiple electric screwdrivers tighten the bolts into the holes of the lower shell of the transformer respectively, completing the assembly of the coil and core assembly with the lower shell of the transformer; two insulating plates are positioned as pads between the coil and core assembly and the lower shell of the transformer; during this assembly process, two test assemblies complete the test of the insulation performance and conduction performance of the two-pole coils of the coil and core assembly; automatic bolt assembly and testing of the coil and core assembly with the lower shell of the transformer are realized, and the utility model has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is an axonometric structural schematic diagram of the working state of the utility model;

[0016] Figure 3 It is a front structural schematic diagram of the working state of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the auxiliary feeding rack conveying coil and the iron core assembly state of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure when the insulating plate is holding up the coil and the core assembly;

[0019] Figure 6 It is a structural diagram of the structures such as the mounting frame, the slide rail, the hanging rod, the insulating plate, the wedge block and the electric screwdriver on one side;

[0020] Figure 7 It is a schematic diagram of the structure of the mounting frame, slide rail, hanging rod, insulating plate, wedge block and electric screwdriver on the other side.

[0021] Markings in the attached drawings: 1. Conveyor belt; 2. Rack; 3. Auxiliary loading rack; 4. Lifting cylinder; 5. Mounting frame; 6. Slide rail; 7. Hanging rod; 8. Insulating plate; 9. Wedge block; 10. Electric screwdriver; 11. Slot; 12. Block; 13. Spring; 14. Magnetic head; 15. Bracket; 16. Wiring slot; 17. Slide rail; 18. Platform; 19. Slider; 20. Support platform; 21. Slide rail 2. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] Example 1

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, a transformer assembly test machine includes a conveyor belt 1 and a frame 2, wherein the conveyor belt 1 is horizontally mounted on the frame 2; it also includes an auxiliary loading frame 3, two lifting cylinders 4, two mounting frames 5, two slide rails 6, a plurality of hanging rods 7, two insulating plates 8, a plurality of wedges 9, a plurality of electric screwdrivers 10 and a testing component, wherein the auxiliary loading frame 3 is mounted on the frame 2, and the auxiliary loading frame 3 is located above the conveyor belt 1, the fixed ends of the two lifting cylinders 4 are mounted on the frame 2, the two mounting frames 5 are respectively mounted on the lower ends of the telescopic rods of the two lifting cylinders 4, the two mounting frames 5 are symmetrically arranged, the two slide rails 6 are respectively lifted and slidably mounted on the two mounting frames 5, the plurality of hanging rods 7 are divided into two groups, the upper ends of one group of hanging rods 7 are symmetrically slidably mounted on one slide rail 6, and the upper ends of the other group of hanging rods 7 are slidably mounted on the other slide rail 6, the two insulating plates 8 are respectively clamped on the lower ends of the two groups of hanging rods 7, the plurality of wedges 9 are respectively mounted on the plurality of hanging rods 7, and the plurality of wedges 9 are Wedge-shaped slopes are arranged at the outer ends, and the wedge-shaped slopes are aligned with the plurality of bolts respectively. The plurality of electric screwdrivers 10 are symmetrically mounted on the two mounting frames 5, and the plurality of electric screwdrivers 10 are used to tighten the bolts. The two test assemblies are respectively mounted on the two slide rails 6; the plurality of card slots 11 and the plurality of card blocks 12 are also included. The outer walls of the two insulating plates 8 are each provided with a plurality of card slots 11, and the plurality of card slots 11 are arranged horizontally. The lower ends of the plurality of hanging rods 7 are each provided with a plurality of card blocks 12, and the plurality of card blocks 12 are respectively matched and aligned with the plurality of card slots 11; the plurality of springs 13 are also included, and the two ends of the plurality of springs 13 are respectively connected to the plurality of hanging rods 7, and the elastic force of the plurality of springs 13 resets the plurality of hanging rods 7; the plurality of magnetic suction heads 14 are also included, and the magnetic suction heads 14 are respectively arranged on the output shafts of the plurality of electric screwdrivers 10, and the plurality of magnetic suction heads 14 are all magnetic; the plurality of slide rails 17 are also included, and the two slide rails 17 are respectively vertically mounted on the two mounting frames 5, and the two slide rails 6 are respectively slidably connected to the two slide rails 17.

[0025] During operation, multiple magnetic suction heads 14 can absorb multiple bolts, so that multiple bolts can be clamped on multiple electric screwdrivers 10. The conveyor belt 1 conveys the lower shell of the transformer. Multiple clamping blocks 12 at the lower ends of multiple hanging rods 7 are respectively clamped in multiple clamping grooves 11, so that two insulating plates 8 can be detachably installed on the lower ends of multiple hanging rods 7. The coil and the core assembly are placed on the auxiliary loading rack 3, and the auxiliary loading rack 3 conveys the coil and the core assembly to between the two mounting racks 5. The two insulating plates 8 hold the two sides of the bottom plate of the coil and the core assembly. The two test components are respectively connected to the wiring of the input coil and the wiring of the output coil of the coil and the core assembly. The piston rods of the two lifting cylinders 4 extend to lower the two mounting frames 5, put the coil and core assembly into the bottom of the transformer lower shell, and align the mounting holes of the bottom plate of the coil and core assembly with the holes of the transformer lower shell respectively. The piston rods of the two lifting cylinders 4 continue to extend synchronously to push the two mounting frames 5 to drive multiple electric screwdrivers 10 to descend in height. Multiple electric screwdrivers 10 tighten the bolts into the holes of the transformer lower shell respectively to complete the assembly of the coil and core assembly with the transformer lower shell. Two insulating plates 8 are placed between the coil and core assembly and the transformer lower shell as pads. During the process of tightening the bolts, multiple bolts The wedge-shaped slopes of the multiple wedge blocks 9 are pushed up respectively, so that the multiple wedge blocks 9 respectively drive the multiple hanging rods 7 to move along the two slide rails 6, so that the multiple clamping blocks 12 are respectively disengaged from the multiple clamping grooves 11, and the elastic force of the multiple springs 13 makes the multiple hanging rods 7 slide and reset to prepare for the next clamping with the two insulating plates 8. Since the two slide rails 6 are respectively lifted and slidably installed on the two mounting frames 5, the multiple hanging rods 7 will not hinder the descent of the two mounting frames 5; in this process, the two test assemblies complete the insulation performance and conduction performance test of the two-stage coil of the coil and the core assembly; the coil and the core assembly are assembled to the transformer After the lower shell is assembled, the piston rods of the two lifting cylinders 4 contract to lift the two mounting frames 5, and the two mounting frames 5 drive the two test assemblies, two slide rails 6, multiple hanging rods 7 and multiple electric screwdrivers 10 to lift out of the lower shell of the transformer, thereby realizing automatic bolt assembly and testing of the coil and core assembly with the lower shell of the transformer. Multiple magnetic suction heads 14 can absorb multiple bolts to achieve rapid clamping and prevent the bolts from falling off, and also make the multiple bolts more stable when initially pushing the wedge-shaped slope of multiple wedge blocks 9. The two slide rails 6 are respectively lifted and slidably installed on the two mounting frames 5 through two slide rails 17, so that the lifting of the two slide rails 6 is more stable and smooth.

[0026] Example 2

[0027] like Figure 5 and Figure 7 As shown, based on Example 1, the test component includes a bracket 15 and a wiring groove 16, the lower end of the bracket 15 is installed on the slide rail 6, the upper end of the bracket 15 is installed on the wiring groove 16, and a plurality of cable wiring groove holes are arranged on the wiring groove 16.

[0028] The wiring slot 16 is electrically connected to the main body of the insulation tester and other testers. After the coil and the core assembly are supported by the two insulating plates 8, the multiple cable wiring slot holes of the two wiring slots 16 are respectively plugged and connected to the wiring terminals of the primary coil and the secondary coil. During the process of hoisting and lowering the coil and the core assembly, the coil and the core assembly are subjected to corresponding tests. When the bolts are tightened to lock the coil and the core assembly with the lower shell of the transformer, the two slide rails 6 are raised relative to the two mounting frames 5, so that the two slide rails 6 raise the two wiring slots 16 through the two brackets 15, so that the two wiring slots 16 are separated from the above-mentioned wiring terminals. The structure is simple and practical.

[0029] Example 3

[0030] like Figure 2 and Figure 4 As shown, on the basis of Example 1, the auxiliary loading rack 3 includes a platform 18, a plurality of sliders 19, a support 20 and two slide rails 21, the platform 18 is horizontally mounted on the frame 2, a plurality of sliders 19 are mounted on the platform 18, the plurality of sliders 19 are arranged in two rows in parallel, two slide rails 21 are parallelly mounted on the lower end surface of the support 20, and the two slide rails 21 are slidably connected to the plurality of sliders 19; a coil and an iron core assembly are placed on the support 20, and the support 20 is pushed so that the two slide rails 21 slide on the plurality of sliders 19, thereby driving the support 20 to move, and when the support 20 extends out of the platform 18, the two slide rails 21 and the plurality of sliders 19 cooperate to support the support 20.

[0031] like Figures 1 to 7As shown, a transformer assembly and testing machine of the utility model, when working, firstly, a plurality of bolts are adsorbed onto a plurality of magnetic suction heads 14, the conveyor belt 1 transports the transformer lower shell, the coil and the core assembly are placed on the support table 20, the support table 20 is pushed to extend out of the platform 18, and the coil and the core assembly are transported between the two mounting frames 5, the two insulating plates 8 support the two sides of the bottom plate of the coil and the core assembly, and the plurality of cable connection slots of the two connection slots 16 are respectively plugged and connected with the connection terminals of the primary coil and the secondary coil, then the piston rods of the two lifting cylinders 4 are extended to make the two mounting frames 5 descend, and the coil and the core assembly are placed in the bottom of the transformer lower shell, and the mounting holes of the bottom plate of the coil and the core assembly are respectively aligned with the hole positions of the transformer lower shell, and then the piston rods of the two lifting cylinders 4 continue to extend synchronously to push the two mounting frames 5 to drive the plurality of electric screwdrivers 10 to descend in height, and the plurality of electric screwdrivers 10 tighten the bolts into the holes of the transformer lower shell respectively. , complete the assembly of the coil and core assembly with the lower shell of the transformer, the two insulating plates 8 are located between the coil and core assembly and the lower shell of the transformer as pads, and during the process of tightening the bolts, multiple bolts push the wedge-shaped slopes of multiple wedge blocks 9 respectively, so that the multiple wedge blocks 9 respectively drive the multiple hanging rods 7 to move along the two slide rails 6, so that the multiple clamping blocks 12 at the lower ends of the multiple hanging rods 7 are disengaged from the multiple clamping grooves 11 of the two insulating plates 8; in this process, the two wiring grooves 16 cooperate with the testing instrument to complete the test of the insulation performance and conduction performance of the two-pole coil of the coil and core assembly; finally, after the coil and core assembly are assembled to the lower shell of the transformer, the piston rods of the two lifting cylinders 4 are retracted to lift the two mounting frames 5, and the two slide rails 6 raise the two wiring grooves 16 through the two brackets 15, so that the two wiring grooves 16 are disengaged from the above-mentioned wiring terminals, and the elastic force of the multiple springs 13 causes the multiple hanging rods 7 to slide and reset, so as to prepare for the next clamping with the two insulating plates 8.

[0032] The main functions achieved by this utility model are:

[0033] 1. Capable of automatically bolting and testing the coil and core assembly to the transformer lower housing;

[0034] 2. Ability to test the coil and core assembly.

[0035] The utility model is a transformer assembly test machine, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the conveyor belt 1, frame 2, lifting cylinder 4, slide rail 6, insulating plate 8, electric screwdriver 10, spring 13, magnetic head 14, wiring slot 16, slide rail 17, slider 19, and slide rail 21 of the transformer assembly test machine of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0036] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A transformer assembly test machine, comprising a conveyor belt (1) and a frame (2), wherein the conveyor belt (1) is horizontally mounted on the frame (2); characterized in that: The invention also comprises an auxiliary material loading rack (3), two lifting cylinders (4), two mounting racks (5), two slide rails (6), a plurality of hanging rods (7), two insulating plates (8), a plurality of wedge blocks (9), a plurality of electric screwdrivers (10) and a testing assembly. The auxiliary material loading rack (3) is mounted on a frame (2). The auxiliary material loading rack (3) is located above a conveyor belt (1). The fixed ends of the two lifting cylinders (4) are mounted on the frame (2). The two mounting racks (5) are respectively mounted on the lower ends of telescopic rods of the two lifting cylinders (4). The two mounting racks (5) are symmetrically arranged. The two slide rails (6) are respectively mounted on the two mounting racks (5) in a lifting and sliding manner. The hanging rods (7) are divided into two groups, the upper ends of one group of hanging rods (7) are symmetrically slidably mounted on a slide rail (6), and the upper ends of the other group of hanging rods (7) are slidably mounted on another slide rail (6), two insulating plates (8) are respectively clamped on the lower ends of the two groups of hanging rods (7), a plurality of wedge blocks (9) are respectively mounted on the plurality of hanging rods (7), the outer ends of the plurality of wedge blocks (9) are respectively provided with wedge-shaped slopes, and the wedge-shaped slopes are respectively aligned with the plurality of bolts, a plurality of electric screwdrivers (10) are symmetrically mounted on the two mounting frames (5), and the plurality of electric screwdrivers (10) are used to tighten the bolts, and two test assemblies are respectively mounted on the two slide rails (6).

2. A transformer assembly tester as claimed in claim 1, characterized in that: It also comprises a plurality of card slots (11) and a plurality of card blocks (12); the plurality of card slots (11) are arranged on the outer side walls of the two insulating plates (8); the plurality of card slots (11) are arranged horizontally; the plurality of card blocks (12) are arranged at the lower ends of the plurality of hanging rods (7); and the plurality of card blocks (12) are respectively matched and aligned with the plurality of card slots (11).

3. A transformer assembly tester as claimed in claim 2, characterized in that: It also comprises a plurality of springs (13), the two ends of the plurality of springs (13) are respectively connected to the plurality of hanging rods (7), and the elastic force of the plurality of springs (13) causes the plurality of hanging rods (7) to reset.

4. A transformer assembly tester as claimed in claim 1, characterized in that: It also includes a plurality of magnetic suction heads (14), and the output shafts of the plurality of electric screwdrivers (10) are all provided with the magnetic suction heads (14), and the plurality of magnetic suction heads (14) are all magnetic.

5. The transformer assembly tester according to claim 1, characterized in that: The test assembly comprises a bracket (15) and a wiring slot (16), wherein the lower end of the bracket (15) is mounted on the slide rail (6), the upper end of the bracket (15) is mounted on the wiring slot (16), and a plurality of cable wiring slot holes are arranged on the wiring slot (16).

6. The transformer assembly tester according to claim 1, characterized in that: It also includes two slide rails (17), which are respectively vertically mounted on two mounting frames (5), and the two slide rails (6) are respectively slidably connected to the two slide rails (17).

7. The transformer assembly tester according to claim 1, characterized in that: The auxiliary loading rack (3) comprises a platform (18), a plurality of sliders (19), a support platform (20) and two slide rails (21); the platform (18) is horizontally mounted on the frame (2); the plurality of sliders (19) are mounted on the platform (18); the plurality of sliders (19) are arranged in parallel in two rows; the lower end surface of the support platform (20) is parallelly mounted with two slide rails (21); the two slide rails (21) are slidably connected to the plurality of sliders (19).

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