CN210401550U

CN210401550U - Transformer load test equipment

Info

Publication number: CN210401550U
Application number: CN201921023158.5U
Authority: CN
Inventors: 吴军益
Original assignee: Jiangyin Sanhe Electric Appliance Co Ltd
Current assignee: Jiangyin Sanhe Electric Appliance Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-24
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a transformer load test equipment uses in the transformer field, and its technical scheme main points are: the testing cabinet comprises a testing cabinet, wherein a plurality of load blocks are arranged in an inner cavity of the testing cabinet, a plurality of wire outlet holes are uniformly formed in the top of the testing cabinet, a wire concentration box with an opening in the top is arranged at the top of the inner cavity of the testing cabinet, a connecting sheet is arranged at the opening end of the wire concentration box along the periphery, the connecting sheet is fixed on the wire concentration box through a bolt, a cable on the load block penetrates through the wire concentration box and extends out of the testing cabinet from the wire outlet holes, a wire inlet into which the cable extends is formed in the bottom of the wire concentration box, and wire outlets from which; has the technical effects that: the cables can be centralized and arranged through the cable concentration box, and the possibility that the cables are scattered inside the test cabinet or wound around each other is reduced.

Description

Transformer load test equipment

Technical Field

The utility model relates to a transformer field, in particular to transformer load test equipment.

Background

The load of the transformer is an important performance parameter of the transformer, which indicates the efficiency of the transformer in the operation process on one hand and indicates whether the performance of the transformer in design and manufacture meets the requirements on the other hand. Before the transformer leaves a factory, a load test is required, and the purpose of the transformer load test is to measure load loss and impedance voltage. The load loss accounts for most of the total loss regardless of the size of the transformer, and the transformer can be inspected for defects in structure and manufacture through analysis of the load loss.

Current transformer load test equipment, the inside cable of cabinet body all is the placing of mixed and disorderly usually to the cable intertwine is in the same place, thereby when leading to the cable to need to be changed or overhaul, needs to clear up numerous intertwined cable in proper order, thereby brings greatly inconvenience for work. Accordingly, there is a need for improvements in existing transformer load testing equipment to reduce the potential for cable entanglement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transformer load test equipment, its advantage: the cables can be centralized and arranged through the cable concentration box, and the possibility that the cables are scattered inside the test cabinet or wound around each other is reduced.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a transformer load test equipment, includes the test cabinet, the test cabinet inner chamber is equipped with a plurality of load pieces, a plurality of wire holes have evenly been seted up at the test cabinet top, test cabinet inner chamber top is equipped with open-top's line concentration box, the open end of line concentration box is equipped with the connection piece along the periphery, the connection piece passes through the bolt fastening on the line concentration box, line concentration box is worn to establish by the cable on the load piece, and follows the wire hole extends the test cabinet, the inlet wire that supplies the cable to stretch into is seted up to line concentration box bottom, the outlet that supplies the cable to stretch out is seted up to four lateral walls of line concentration box.

Through above-mentioned technical scheme, wear to establish to the line concentration box in the inlet of concentrating the cable, neatly classify and pull out outside the line concentration box respectively from four outlets with the cable again, paste the connection piece at test cabinet inner chamber top this moment to through bolt fixed connection, then pull out outside the test cabinet from the wire hole with the cable correspondence again, use with waiting for transformer load test. The cables can be centralized and arranged through the cable concentration box, and the possibility that the cables are scattered inside the test cabinet or wound around each other is reduced.

The utility model discloses further set up to: the cable collecting box is characterized in that a plurality of fixing columns are arranged in the inner cavity of the cable collecting box along the vertical direction, a plurality of winding rollers are rotatably connected onto the fixing columns, blocking pieces are arranged at two ends of each winding roller along the periphery, and cables stretch out of the wire outlet after bypassing the winding rollers.

Through the technical scheme, the cables penetrating through the interior of the cable collecting box are correspondingly wound on the winding rollers and then are pulled out of the cable collecting box from the wire outlet, so that the possibility that the cables are mutually wound in the interior of the cable collecting box is reduced; meanwhile, the blocking pieces at the two ends of the winding roller are used for reducing the possibility that the cable wound on the winding roller is separated from the two ends of the winding roller, and the stability of winding of the cable is guaranteed.

The utility model discloses further set up to: the winding roller is provided with a thread recess along the periphery, and a cable wound on the winding roller sinks into the thread recess.

Through the technical scheme, the thread recess can play a role in guiding the cable wound on the winding roller, so that an operator can coil the cable better; meanwhile, the cable is sunk into the thread recess, so that a plurality of circles of the cable wound on the winding roller are separated from each other, and the possibility that the cable is overlapped on the winding roller and then is wound on each other is reduced.

The utility model discloses further set up to: the cable concentrator is located outlet department and rotates and be connected with the upper roller bearing, the cable concentrator is located outlet department and still rotates and be connected with the lower roller bearing corresponding with the upper roller bearing, the cable is worn to establish between upper roller bearing and lower roller bearing.

Through above-mentioned technical scheme, wear to establish the cable between upper roller and lower roller, can make the cable pull out to the concentrator from the outlet more conveniently outside to can prevent that the cable from producing the friction with the outlet when the pull, and lead to the possibility that the cable is worn and torn, prolonged the life of cable.

The utility model discloses further set up to: the upper roller is provided with a plurality of upper ring pieces at intervals along the length direction, the lower roller is provided with a plurality of lower ring pieces in one-to-one correspondence with the upper ring pieces at intervals along the length direction, and the outer edges of the upper ring pieces and the lower ring pieces are abutted.

Through above-mentioned technical scheme, set up a plurality of outer edges inconsistent last ring piece and lower ring piece, can be so that wear to establish the corresponding position of the cable between last roller bearing and lower roller bearing and be restricted to make the direction that the cable can be smooth, reduce the possibility of wearing to establish the cable intertwine between last roller bearing and lower roller bearing.

The utility model discloses further set up to: and a rubber pad is arranged at the opening end of the wire collecting box at the wire inlet along the periphery.

Through above-mentioned technical scheme, the setting of rubber pad is in order to prevent to concentrate to wear to establish the cable in the line concentration box and produce the friction at inlet wire mouth department to reduce the possibility that the cable was worn and torn, further prolonged the life of cable.

The utility model discloses further set up to: four corners of test cabinet bottom are equipped with the universal wheel, it has the push-and-pull rod still to articulate on the test cabinet.

Through the technical scheme, the universal wheels and the push-pull rod are arranged to facilitate convenient and rapid movement of the test cabinet by operators, so that convenience of testing transformer loads by the test cabinet is improved.

The utility model discloses further set up to: an exhaust fan is installed on one side wall of the test cabinet along the length direction.

Through above-mentioned technical scheme, the inside and outside gas of test cabinet can obtain effectual circulation through the exhaust fan to make the heat of test cabinet inner chamber distribute away in time, reduce in long-term use, the possibility that the test cabinet inner chamber was burnt out because of the high temperature.

To sum up, the utility model discloses following beneficial effect has:

1. the cables can be intensively arranged through the cable concentration box, so that the possibility that the cables are scattered in the test cabinet or wound mutually is reduced;

2. correspondingly coiling the cables penetrating through the interior of the wire collecting box on the wire winding rollers, and then pulling out the cables from the wire outlet to the outside of the wire collecting box so as to reduce the possibility that the cables are mutually wound in the interior of the wire collecting box;

3. the blocking pieces at the two ends of the winding roller are used for reducing the possibility that the cable wound on the winding roller is separated from the two ends of the winding roller, and the stability of winding of the cable is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural view of the present embodiment for embodying the inside of the cluster block.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a test cabinet; 2. a load block; 3. a wire outlet hole; 4. a wire collecting box; 5. connecting sheets; 6. a bolt; 7. a cable; 8. a wire inlet; 9. an outlet; 10. fixing a column; 11. a winding roller; 12. a blocking sheet; 13. the screw thread is sunken; 14. an upper roller; 15. a lower roller; 16. an upper ring sheet; 17. a lower ring sheet; 18. a rubber pad; 19. a universal wheel; 20. a push-pull rod; 21. an exhaust fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a transformer load test equipment, as figure 1 and figure 2, including test cabinet 1, 1 inner chamber of test cabinet is equipped with a plurality of load pieces 2, a plurality of wire holes 3 have evenly been seted up at 1 top of test cabinet, 1 inner chamber top of test cabinet is equipped with open-top's line concentration box 4, the open end of line concentration box 4 is equipped with connection piece 5 along the periphery, connection piece 5 passes through bolt 6 to be fixed on line concentration box 4, line concentration box 4 is worn to establish by cable 7 on the load piece 2, and extend test cabinet 1 from wire hole 3, the inlet 8 that supplies cable 7 to stretch into is seted up to line concentration box 4 bottom, outlet 9 that supplies cable 7 to stretch out is seted up to four lateral walls of line concentration box 4. An inner cavity of the wire collecting box 4 is provided with four fixing columns 10 along the vertical direction, the fixing columns 10 are connected with a plurality of winding rollers 11 in a rotating mode, two ends of each winding roller 11 are provided with blocking pieces 12 along the peripheral edge, and the cables 7 extend out of the wire outlet 9 after bypassing the winding rollers 11; meanwhile, the winding roller 11 is further provided with a thread recess 13 along the periphery, and the cable 7 wound on the winding roller 11 sinks into the thread recess 13.

As shown in fig. 2 and 3, the opening end of the wire collecting box 4 at the wire inlet 8 is provided with a rubber gasket 18 along the periphery; the wire collecting box 4 is rotatably connected with an upper rolling shaft 14 at the wire outlet 9, a lower rolling shaft 15 corresponding to the upper rolling shaft 14 is also rotatably connected with the wire collecting box 4 at the wire outlet 9, and the cable 7 penetrates between the upper rolling shaft 14 and the lower rolling shaft 15; meanwhile, the upper roller 14 is provided with a plurality of upper ring pieces 16 at intervals along the length direction, the lower roller 15 is provided with a plurality of lower ring pieces 17 corresponding to the upper ring pieces 16 at intervals along the length direction, the outer edges of the upper ring pieces 16 are abutted against the outer edges of the lower ring pieces 17, so that the corresponding positions of the cables 7 penetrating between the upper roller 14 and the lower roller 15 are limited, the cables 7 can be smoothly guided, and the possibility that the cables 7 penetrating between the upper roller 14 and the lower roller 15 are wound mutually is reduced.

Referring to fig. 2 and 3, an operator firstly inserts the cables 7 into the wire collecting box 4 from the wire inlet 8, and winds the cables 7 on the wire winding rollers 11 in sequence, so as to reduce the possibility that the cables 7 are wound around each other inside the wire collecting box 4, and then pulls out the cables 7 from the four wire outlets 9 to the outside of the wire collecting box 4, at this time, the cables 7 are inserted between the upper roller 14 and the lower roller 15, which facilitates the cables 7 to be pulled out from the wire outlets 9 more conveniently, and also can prevent the cables 7 from rubbing against the wire outlets 9 when pulling, so as to result in the possibility that the cables 7 are worn, thus prolonging the service life of the cables 7, at this time, the operator needs to attach the connecting piece 5 on the top of the inner cavity of the test cabinet 1 (see fig. 1) and fixedly connect the connecting piece to the test cabinet 1 through the bolt 6, and then pulls out the cables 7 from the wire outlet 3 (see fig. 1), for use in transformer load testing. The cables 7 can be centralized and arranged through the wire collecting box 4, and the possibility that the cables 7 are scattered or intertwined in the test cabinet 1 is reduced.

As shown in fig. 2, the blocking pieces 12 provided at both ends of the winding roller 11 are to reduce the possibility that the wire 7 wound around the winding roller 11 is separated from both ends of the winding roller 11, thereby securing the stability of winding the wire 7. In addition, the thread recess 13 can guide the cable 7 wound on the winding roller 11, so that the operator can coil the cable better; meanwhile, by sinking the wire 7 into the threaded recess 13, several turns of the wire 7 wound around the winding roller 11 can be spaced apart from each other, thereby reducing the possibility that the wires 7 are overlapped with each other on the winding roller 11 and then wound around each other. The rubber pad 18 is provided to prevent the cables 7 centrally inserted into the wire collecting box 4 from generating friction at the wire inlet 8, so as to reduce the possibility of abrasion of the cables 7 and further prolong the service life of the cables 7.

Referring to fig. 1, universal wheels 19 are disposed at four corners of the bottom of the test cabinet 1, and a push-pull rod 20 is hinged to the test cabinet 1, so that the test cabinet 1 can be conveniently and quickly moved by an operator, thereby improving convenience of the test cabinet 1 in testing transformer loads. Meanwhile, the exhaust fan 21 arranged on one side wall of the test cabinet 1 in the length direction can enable gas inside and outside the test cabinet 1 to be effectively circulated, so that heat in the inner cavity of the test cabinet 1 can be timely dissipated, and the possibility that the inner cavity of the test cabinet 1 is burnt due to overhigh temperature in the long-term use process is reduced.

The operation process is as follows: an operator firstly concentrates the cables 7 to penetrate into the wire collecting box 4 from the wire inlet 8, the cables 7 are sequentially and correspondingly coiled on the wire winding roller 11, then the cables 7 are correspondingly pulled out of the wire collecting box 4 from the four wire outlets 9 respectively, the cables 7 penetrate between the upper rolling shaft 14 and the lower rolling shaft 15, at the moment, the connecting sheet 5 is tightly attached to the top of the inner cavity of the test cabinet 1 and is fixedly connected onto the test cabinet 1 through the bolts 6, and then the cables 7 are correspondingly pulled out of the wire outlet holes 3 to the outside of the test cabinet 1 to be used for a transformer load test.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment with inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A transformer load test equipment, includes test cabinet (1), its characterized in that: the test cabinet (1) inner chamber is equipped with a plurality of load pieces (2), a plurality of wire holes (3) have evenly been seted up at test cabinet (1) top, test cabinet (1) inner chamber top is equipped with open-top's line concentration box (4), the open end of line concentration box (4) is equipped with connection piece (5) along the periphery, connection piece (5) are fixed on line concentration box (4) through bolt (6), line concentration box (4) are worn to establish in cable (7) on load piece (2), and follow test cabinet (1) is extended in wire hole (3), inlet (8) that supply cable (7) to stretch into are seted up to line concentration box (4) bottom, outlet (9) that supply cable (7) to stretch out are seted up to four lateral walls of line concentration box (4).

2. The transformer load testing device of claim 1, wherein: the wire collecting box (4) inner chamber is equipped with a plurality of fixed columns (10) along vertical direction, it is connected with a plurality of winding rollers (11) to rotate on fixed column (10), the both ends of winding roller (11) are equipped with along the periphery and block piece (12), cable (7) are walked around behind winding roller (11) and are stretched out from outlet (9).

3. The transformer load testing device of claim 2, wherein: the winding roller (11) is provided with a thread recess (13) along the periphery, and a cable (7) wound on the winding roller (11) is sunk into the thread recess (13).

4. The transformer load testing device of claim 1, wherein: the cable concentrator (4) is located outlet (9) and is located to rotate and be connected with upper roller (14), the cable concentrator (4) is located outlet (9) and still rotates and be connected with lower roller (15) corresponding with upper roller (14), cable (7) are worn to establish between upper roller (14) and lower roller (15).

5. The transformer load testing device of claim 4, wherein: the upper roller (14) is provided with a plurality of upper ring pieces (16) at intervals along the length direction, the lower roller (15) is provided with a plurality of lower ring pieces (17) which correspond to the upper ring pieces (16) at intervals along the length direction, and the outer edges of the upper ring pieces (16) and the lower ring pieces (17) are in contact with each other.

6. The transformer load testing device of claim 1, wherein: and a rubber pad (18) is arranged at the opening end of the wire collecting box (4) at the wire inlet (8) along the periphery.

7. The transformer load testing device of claim 1, wherein: four corners of the bottom of the test cabinet (1) are provided with universal wheels (19), and the test cabinet (1) is also hinged with a push-pull rod (20).

8. The transformer load testing device of claim 7, wherein: an exhaust fan (21) is installed on one side wall of the test cabinet (1) along the length direction.