CN216387144U

CN216387144U - Transformer direct-current resistance and on-load tap-changer comprehensive testing device

Info

Publication number: CN216387144U
Application number: CN202122893899.2U
Authority: CN
Inventors: 武爱云; 武玉波
Original assignee: Jinan Zhuoxin Power Equipment Co ltd
Current assignee: Jinan Zhuoxin Power Equipment Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-26
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to the technical field of comprehensive testing of a direct-current resistor and an on-load tap-changer of a transformer, and discloses a comprehensive testing device of the direct-current resistor and the on-load tap-changer of the transformer. This transformer direct current resistance and have on-load tap-changer integrated test device, through bearing the weight of the subassembly, make first arc spring and second arc spring carry out first buffering to impact stress through self elastic deformation, on the remaining impact force after the buffering transmitted flexible lining, flexible lining cushions the absorption through self material high-elastic characteristic and hexagonal grid structure to remaining impact force, the probability of damage phenomenon appears in the transfer transportation of device has been reduced, it is long when having shortened the preparation before the device transportation, thereby the practicality of device has been strengthened.

Description

Transformer direct-current resistance and on-load tap-changer comprehensive testing device

Technical Field

The utility model relates to the technical field of comprehensive testing of a direct-current resistor and an on-load tap-changer of a transformer, in particular to a comprehensive testing device of the direct-current resistor and the on-load tap-changer of the transformer.

Background

Through retrieval, Chinese patent No. CN209803292U discloses a comprehensive testing device for a direct current resistor and an on-load tap-changer of a transformer, which relates to the technical field of comprehensive testing devices for the direct current resistor and the on-load tap-changer of the transformer, in particular to a comprehensive testing device for the direct current resistor and the on-load tap-changer of the transformer, comprising a box body, wherein the front side of the box body is provided with an LED display screen and a control button; one side of the box body is provided with a high-voltage test port and a low-voltage test port, and the other side of the box body is provided with a power supply module, a data communication module and a constant current source module; a control circuit board is arranged in the box body, a central controller is integrated on the control circuit board, and the central controller is respectively connected with the LED display screen, the control button, the data communication module and the constant current source module through wires; compared with the prior art, the wireless temperature probe has the advantages that through researching and developing a set of equipment, the direct-current resistance test and the on-load tap-changer test of the transformer can be completed simultaneously, and in the test process of two inspection items, a test line does not need to be frequently disconnected, so that the working efficiency is improved; the testing device provided by the utility model integrates the multifunctional module into one box body, and has the advantages of compact structure and light weight.

When the transformer direct-current resistance and on-load tap-changer comprehensive testing device in the prior art is used, the multifunctional module is integrated in one box body, so that the compactness of the structure of the device is improved, the weight of the device is reduced, however, a large number of precise elements exist in the device, the device is easy to damage in the transfer and transportation process, the preparation time before the device is transported is prolonged, and the practicability of the device is reduced.

Based on the above, the utility model designs a comprehensive testing device for the direct-current resistance and the on-load tap-changer of the transformer, so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a comprehensive testing device for a direct-current resistor and an on-load tap-changer of a transformer, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the transformer direct-current resistance and on-load tap-changer comprehensive testing device comprises a testing main body, wherein a bearing assembly is arranged on the outer side of the testing main body, the bearing assembly comprises a containing box, the containing box is hinged with a sealing box cover through a hinge, the containing box and the sealing box cover are fixedly installed through two sets of switch lock catches, switch sealing rings are arranged on the inner side surfaces of the containing box and the sealing box cover, a deflection box is arranged inside the containing box, a plurality of sets of first arc-shaped springs are arranged between the containing box and the deflection box, an adaptive box cover is arranged inside the sealing box cover, a plurality of sets of second arc-shaped springs are arranged between the adaptive box cover and the sealing box cover, a plurality of sets of vent holes are formed in the outer surfaces of the adaptive box cover and the deflection box, flexible linings are arranged inside the adaptive box cover and the deflection box, and a plurality of sets of deformation holes are formed in the outer surface of each set of the flexible linings, every group the inner wall of flexible lining all laminates with the surface of test main part, the equal fixed mounting in both sides has axial fan about the containing box inner wall, the multiunit intercommunicating pore has all been seted up to the left surface and the right flank of containing box, the left surface and the right flank of containing box all are provided with seal assembly.

Preferably, every group the seal assembly all includes the closing plate, every group the closing plate all is articulated through hinge and containing box, every group the medial surface of closing plate all is equipped with the ventilation sealing ring, every group both sides all are provided with the lifting block around the closing plate, every group the lifting block all passes through the ventilation hasp with corresponding closing plate, every group the lateral surface of closing plate all is equipped with rotatory handle.

Preferably, the left side face and the right side face of the containing box are both provided with locking seats, and the inner wall of each group of locking seats is rotatably connected with a lifting handle.

Preferably, the four corners of the bottom of the storage box are provided with non-slip pads, and the bottom of each non-slip pad is provided with a non-slip groove.

Preferably, the top of sealed case lid all is provided with warning sign, warning sign's top is provided with the warning sign.

Preferably, the front surface of the sealed box cover is fixedly provided with an anti-theft sub-lock, and the front surface of the containing box is fixedly provided with an anti-theft female lock.

(III) advantageous effects

Compared with the prior art, the utility model provides a transformer direct-current resistance and on-load tap-changer comprehensive testing device, which has the following beneficial effects:

1. this transformer direct current resistance and have on-load tap-changer integrated test device, through bearing the weight of the subassembly, make first arc spring and second arc spring carry out first buffering to impact stress through self elastic deformation, on the remaining impact force after the buffering transmitted flexible lining, flexible lining cushions the absorption through self material high-elastic characteristic and hexagonal grid structure to remaining impact force, the probability of damage phenomenon appears in the transfer transportation of device has been reduced, it is long when having shortened the preparation before the device transportation, thereby the practicality of device has been strengthened.

2. This transformer direct current resistance and on-load tap-changer integrated test device, through axial fan, make the outside air pass through the intercommunicating pore and get into the containing box in, two sets of relative axial fan formed one-way cooling air current in the containing box this moment, and one-way cooling air current takes away the heat that the test subject produced through deformation hole and air vent, has effectively improved the speed that the device operation in-process heat gived off, has reduced the probability that the test subject shut down because of high temperature to the suitability of device has been strengthened.

3. This transformer direct current resistance and on-load tap-changer integrated test device, through seal assembly and switch sealing ring, make operating personnel pass through the closing plate and drive ventilation sealing ring and containing box laminating, make ventilation sealing ring and containing box elastic seal through the ventilation hasp after that, it is fixed with the containing box to seal the case lid through the switch hasp after that, the switch hasp drives the mutual elastic seal of two sets of switch sealing rings, bearing assembly will test main part and external partition this moment, effectively reduced the probability that the device wets and damages in the transportation, thereby the practicality of device has been strengthened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is an exploded perspective view of the structural seal assembly of the present invention.

In the figure: 1. testing the subject; 2. a load bearing assembly; 3. a non-slip mat; 4. a storage box; 5. a warning sign; 6. sealing the box cover; 7. an offset box; 8. a first arcuate spring; 9. adapting the box cover; 10. a second arcuate spring; 11. a switch lock catch; 12. a switch sealing ring; 13. a vent hole; 14. a flexible liner; 15. a deformation hole; 16. an axial flow fan; 17. a seal assembly; 18. a sealing plate; 19. a ventilation sealing ring; 20. a lifting block; 21. ventilating and locking; 22. rotating the handle; 23. lifting the handle; 24. a theft-proof sub-lock; 25. an anti-theft female lock.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the transformer direct-current resistance and on-load tap-changer comprehensive testing device comprises a testing main body 1, a bearing component 2 is arranged on the outer side of the testing main body 1, the first arc-shaped spring 8 and the second arc-shaped spring 10 are enabled to carry out primary buffering on impact stress through self elastic deformation through the bearing component 2, the buffered residual impact force is transmitted to a flexible lining layer 14, the flexible lining layer 14 carries out buffering and absorption on the residual impact force through self material high-elastic characteristics and a hexagonal grid structure, the probability of damage phenomena occurring in the transferring and transporting process of the device is reduced, the preparation time before the device is transported is shortened, the practicability of the device is enhanced, the bearing component 2 comprises a containing box 4, the containing box 4 is hinged with a sealing box cover 6 through hinges, the containing box 4 and the sealing box cover 6 are fixedly installed through two groups of switch lock catches 11, and switch sealing rings 12 are arranged on the inner side faces of the containing box 4 and the sealing box cover 6, a deflection box 7 is arranged in the containing box 4, a plurality of groups of first arc springs 8 are arranged between the containing box 4 and the deflection box 7, an adaptive box cover 9 is arranged in the sealed box cover 6, a plurality of groups of second arc springs 10 are arranged between the adaptive box cover 9 and the sealed box cover 6, a plurality of groups of vent holes 13 are respectively arranged on the outer surfaces of the adaptive box cover 9 and the deflection box 7, flexible linings 14 are respectively arranged in the adaptive box cover 9 and the deflection box 7, a plurality of groups of deformation holes 15 are respectively arranged on the outer surface of each group of flexible linings 14, the inner wall of each group of flexible linings 14 is attached to the outer surface of the test main body 1, axial flow fans 16 are fixedly arranged on the left side and the right side of the inner wall of the containing box 4, external air enters the containing box 4 through the communication holes through the axial flow fans 16, at the moment, two groups of opposite axial flow fans 16 form unidirectional cooling air flows in the containing box 4, the unidirectional cooling air flows take away heat generated by the test main body 1 through the deformation holes 15 and the vent holes 13, effectively improves the heat dissipation speed in the operation process of the device, reduces the probability of the test main body 1 stopping due to high temperature, thereby enhancing the applicability of the device, the left side surface and the right side surface of the containing box 4 are both provided with a plurality of groups of communicating holes, the left side surface and the right side surface of the containing box 4 are both provided with a sealing component 17, through the sealing component 17 and the switch sealing ring 12, an operator drives the ventilation sealing ring 19 to be attached to the containing box 4 through the sealing plate 18, make ventilation sealing ring 19 and containing box 4 elastic seal through ventilation hasp 21 after that, it is fixed with containing box 4 to seal case lid 6 through switch hasp 11 after that, switch hasp 11 drives two sets of switch sealing ring 12 mutual elastic seal, and bearing component 2 separates test subject 1 and external world this moment, has effectively reduced the device and has wet the probability of damaging in the transportation to the practicality of device has been strengthened.

In the utility model, each sealing assembly 17 comprises a sealing plate 18, each sealing plate 18 is hinged with the containing box 4 through a hinge, a ventilation sealing ring 19 is arranged on the inner side surface of each sealing plate 18, lifting blocks 20 are arranged on the front side and the rear side of each sealing plate 18, each lifting block 20 and the corresponding sealing plate 18 pass through a ventilation lock catch 21, a rotating handle 22 is arranged on the outer side surface of each sealing plate 18, when the sealing device is used, the sealing plate 18 is driven to rotate by the rotating handle 22, the sealing plate 18 drives the ventilation sealing ring 19 to rotate, the sealing plate 18 and the lifting blocks 20 are fixed by the ventilation lock catch 21 after the ventilation sealing ring 19 is attached to the containing box 4, and at the moment, the ventilation sealing ring 19 is elastically sealed with the containing box 4 under the driving of the ventilation lock catch 21.

In the utility model, in order to improve the convenience of the device in the process of carrying and moving, the left side surface and the right side surface of the containing box 4 are respectively provided with the locking seat, and the inner wall of each group of locking seats is rotatably connected with the lifting handle 23 for providing a force application position in the process of carrying and moving the device, so that the convenience of the device in the process of carrying and moving is improved.

In the utility model, in order to improve the stability of the device in the transportation and moving process, the four corners of the bottom of the containing box 4 are provided with the anti-slip pads 3 for enhancing the friction force between the device and the transportation carrier, and the bottom of each group of anti-slip pads 3 is provided with the anti-slip grooves for improving the friction coefficient, so that the stability of the device in the transportation and moving process is improved.

In the utility model, in order to reduce the probability of the device being extruded and damaged by the heavy objects in the transportation process, the warning signs 5 are arranged on the top parts of the sealed box covers 6, and warning marks for reducing the probability of the transportation personnel placing the heavy objects on the device are arranged on the top parts of the warning signs 5, so that the probability of the device being extruded and damaged by the heavy objects in the transportation process is reduced.

In the utility model, in order to improve the safety of the device, the anti-theft sub-lock 24 is fixedly arranged on the front surface of the sealed box cover 6, the anti-theft female lock 25 is fixedly arranged on the front surface of the containing box 4, and the anti-theft sub-lock 24 and the anti-theft female lock 25 make the non-operating personnel difficult to use the test main body 1, thereby reducing the probability of accidental injury of the personnel caused by abnormal operation of the device and improving the safety of the device.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the device is fixedly arranged at a rated position, the device is tested by the test main body 1 after being arranged, the test main body 1 starts the axial flow fan 16 in the test operation process, the axial flow fan 16 drives external air to enter the containing box 4 through the communication hole, at the moment, two groups of opposite axial flow fans 16 form unidirectional cooling air flow in the containing box 4, the unidirectional cooling air flow drives heat generated by the test main body 1 to be separated through the deformation hole 15 and the air hole 13, when the device needs to be transferred and transported, the sealing plate 18 is driven to rotate by the rotating handle 22, the sealing plate 18 drives the ventilation sealing ring 19 to rotate, the ventilation sealing ring 19 is attached to the containing box 4 and then fixes the sealing plate 18 and the lifting block 20 through the ventilation lock catch 21, the ventilation sealing ring 19 is elastically sealed with the containing box 4 under the driving of the ventilation lock catch 21, and then the sealing box cover 6 is fixed with the containing box 4 through the switch lock catch 11, the switch lock 11 drives the two sets of switch sealing rings 12 to elastically seal each other, at this time, the bearing component 2 separates the testing main body 1 from the outside, then the device is placed on a transport carrier to carry out the transportation operation, when the device is subjected to external impact force in the transportation process, the external impact force is transmitted to the bearing component 2 according to the transmission direction, at the moment, the first arc-shaped spring 8 and the second arc-shaped spring 10 in the corresponding directions of the stress extrude and buffer the impact stress through the self elastic deformation, simultaneously, the first arc-shaped spring 8 and the second arc-shaped spring 10 in the rest directions pull and buffer impact stress through self elastic deformation, the buffered residual impact force is transmitted to the flexible lining layer 14 through the adaptive box cover 9 and the offset box 7, the flexible lining layer 14 forms a hexagonal grid structure under the cooperation of the multiple groups of deformation holes 15, and the flexible lining layer 14 buffers and absorbs the residual impact force through the self material high-elasticity characteristic and the hexagonal grid structure.

In conclusion, this transformer direct current resistance and on-load tap-changer integrated test device, through carrier assembly 2, make first arc spring 8 and second arc spring 10 carry out the first buffering through self elastic deformation to impact stress, the remaining impact force after the buffering transmits flexible lining 14 on, flexible lining 14 cushions the absorption through the high-elastic characteristics of self material and hexagonal grid structure to the remaining impact force, reduced the device and appeared the probability of damaging the phenomenon in the transfer transportation, shortened the device preparation time length before the transportation, thereby the practicality of device has been strengthened.

This transformer direct current resistance and on-load tap-changer integrated test device, through axial fan 16, make the outside air pass through the intercommunicating pore and get into in the containing box 4, two sets of relative axial fan 16 form one-way cooling air current in containing box 4 this moment, one-way cooling air current takes away the heat that test main part 1 produced through deformation hole 15 and air vent 13, the speed that the heat gived off in the device operation process has effectively been improved, the probability of test main part 1 because of the high temperature shut down has been reduced, thereby the suitability of device has been strengthened.

This transformer direct current resistance and on-load tap-changer integrated test device, through seal assembly 17 and switch sealing ring 12, make operating personnel drive ventilation sealing ring 19 and the laminating of containing box 4 through closing plate 18, make ventilation sealing ring 19 and containing box 4 elastic seal through ventilation lock catch 21 after that, it is fixed with containing box 4 with sealed case lid 6 through switch lock catch 11 after that, switch lock catch 11 drives two sets of switch sealing ring 12 mutual elastic seal, bearing assembly 2 will test main part 1 and external separation this moment, effectively reduced the probability that the device wets and damages in the transportation, thereby the practicality of device has been strengthened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Transformer direct current resistance and on-load tap-changer integrated test device, including test main part (1), its characterized in that: the test device is characterized in that a bearing component (2) is arranged on the outer side of the test main body (1), the bearing component (2) comprises a containing box (4), the containing box (4) is hinged with a sealed box cover (6) through a hinge, the containing box (4) and the sealed box cover (6) are fixedly installed through two groups of switch lock catches (11), switch sealing rings (12) are arranged on the inner side surfaces of the containing box (4) and the sealed box cover (6), a deflection box (7) is arranged inside the containing box (4), a plurality of groups of first arc-shaped springs (8) are arranged between the containing box (4) and the deflection box (7), an adaptation box cover (9) is arranged inside the sealed box cover (6), a plurality of groups of second arc-shaped springs (10) are arranged between the adaptation box cover (9) and the sealed box cover (6), a plurality of groups of air vents (13) are arranged on the outer surfaces of the adaptation box cover (9) and the deflection box (7), the inside of adaptation case lid (9) and skew case (7) all is provided with flexible lining (14), every group many groups deformation hole (15) have all been seted up to the surface of flexible lining (14), every group the inner wall of flexible lining (14) all laminates with the surface of test main part (1), the equal fixed mounting in both sides has axial fan (16) about containing box (4) inner wall, the multiunit intercommunicating pore has all been seted up to the left surface and the right flank of containing box (4), the left surface and the right flank of containing box (4) all are provided with seal assembly (17).

2. The transformer direct-current resistance and on-load tap-changer comprehensive test device according to claim 1, characterized in that: every group seal assembly (17) all include closing plate (18), every group closing plate (18) all are articulated through hinge and containing box (4), every group the medial surface of closing plate (18) all is equipped with ventilation sealing ring (19), every group both sides all are provided with lifting block (20) around closing plate (18), every group lifting block (20) all pass through ventilation lock catch (21) with corresponding closing plate (18), every group the lateral surface of closing plate (18) all is equipped with rotatory handle (22).

3. The transformer direct-current resistance and on-load tap-changer comprehensive test device according to claim 1, characterized in that: the left side face and the right side face of the containing box (4) are respectively provided with a locking seat, and the inner wall of each group of locking seats is rotatably connected with a lifting handle (23).

4. The transformer direct-current resistance and on-load tap-changer comprehensive test device according to claim 1, characterized in that: the four corners of the bottom of the storage box (4) are provided with anti-slip pads (3), and anti-slip grooves are formed in the bottom of each anti-slip pad (3).

5. The transformer direct-current resistance and on-load tap-changer comprehensive test device according to claim 1, characterized in that: the top of sealed case lid (6) all is provided with warning sign (5), the top of warning sign (5) is provided with the warning sign.

6. The transformer direct-current resistance and on-load tap-changer comprehensive test device according to claim 1, characterized in that: the front fixed mounting of sealed case lid (6) has theftproof sub-lock (24), the front fixed mounting of containing box (4) has theftproof female lock (25).