CN213658920U

CN213658920U - Transformer on-load tap-changer tester

Info

Publication number: CN213658920U
Application number: CN202021770042.0U
Authority: CN
Inventors: 杨丘帆; 朱建军; 商聪
Original assignee: Wuhan Ehv Technology Co ltd
Current assignee: Wuhan Ehv Technology Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-09
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a transformer on-load tap-changer tester, comprising a box body and a bottom plate, box body inner chamber's bottom bonds through polyurethane glue has the shock pad, the tester body has been placed at the top of shock pad, the damping tank has been seted up to the internal surface of shock pad, box body inner chamber upper and lower both ends all around fixed cover of equal fixedly connected with, one side fixed connection spring of fixed cover inner chamber. The utility model discloses a two-way threaded rod, movable sleeve, fixed pin axle, movable connecting rod, sliding sleeve, slide bar, box body, limiting plate, shock pad, shock attenuation groove, limiting plate, movable rod and spring's effect has solved current transformer and has highly can not adjust when having the on-load tap-changer tester to use, can't satisfy people to the demand of its different use heights, and self barrier propterty is poor, causes inside components and parts impaired easily when the collision that takes place accident, has reduced its life's problem.

Description

Transformer on-load tap-changer tester

Technical Field

The utility model relates to a transformer safety inspection technical field specifically is a transformer on-load tap-changer tester.

Background

The on-load tap-changer tester of the transformer adopts a testing principle according to the 'power equipment handover and preventive test regulations', applies a microcomputer technology, can test the performance of on-load switches of various power transformers without disassembling the transformer and a hoisting switch, and displays and prints waveforms and parameters of a transition process.

The applicant finds that at least the following technical problems exist in the prior art: the height of an existing transformer on-load tap-changer tester cannot be adjusted when the existing transformer on-load tap-changer tester is used, the requirements of people for different use heights cannot be met, the self-protection performance is poor, internal components are easily damaged when accidental collision occurs, the service life of the transformer on-load tap-changer tester is shortened, and therefore the transformer on-load tap-changer tester is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer on-load tap-changer tester to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer on-load tap-changer tester comprises a box body and a bottom plate, wherein a shock pad is bonded at the bottom of an inner cavity of the box body through polyurethane glue, a tester body is placed at the top of the shock pad, a shock absorption groove is formed in the inner surface of the shock pad, fixing sleeves are fixedly connected at the upper end and the lower end of the periphery of the inner cavity of the box body, a spring is fixedly connected to one side of the inner cavity of the fixing sleeves, a movable rod is fixedly connected to the other end of the spring, a limiting plate is fixedly connected to the other side of the movable rod, a protective pad is bonded to the other side of the limiting plate through the polyurethane glue, a base is fixedly connected to the bottom of the box body, a bidirectional threaded rod is movably connected to the upper end of the inner cavity of the base through a bearing, movable sleeves are, the inner groove is characterized in that a sliding rod is fixedly connected to the middle end of the inner cavity of the inner groove, a sliding sleeve is slidably connected to the outer surface of the sliding rod, fixed hinge pins are fixedly connected to the front side and the rear side of the sliding sleeve and the front side and the rear side of the movable sleeve respectively, and a movable connecting rod is movably connected between the two fixed hinge pins.

Preferably, the top of box body has the lid through hinge swing joint, the top fixedly connected with handle of lid, and the left end of handle bonds through polyurethane glue and has anti-skidding gum cover.

Preferably, the number of the damping grooves is multiple, and the distances between every two adjacent damping grooves are equal.

Preferably, the middle end of the bidirectional threaded rod is fixedly connected with a limiting block, the right side of the bidirectional threaded rod is fixedly connected with a rotating wheel, and the lower end of the right side of the rotating wheel is fixedly connected with a rotating handle.

Preferably, the left end and the right end of the bottom plate are movably connected with four moving wheels through bearings, and one side of each moving wheel is movably connected with a stop pedal.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a rotating handle drives runner and two-way threaded rod and rotates, two-way threaded rod drives the movable sleeve motion when rotating, when the movable sleeve motion, under the cooperation of fixed pin axle and movable connecting rod, drive the sliding sleeve and slide in the surface of slide bar, thereby can make bottom plate and base separate, and the height of box body has been lifted, make the tester body can reach height-adjustable's purpose according to people's needs, through the effect of box body, can realize the ability of protection to the outside of tester body, through the effect of limiting plate and protection pad 17, can carry out the ability of protection and when the position is limited to the tester body, when the accident collision takes place, through the effect of shock pad, under the cooperation of shock-absorbing groove, the ability of buffering to the tester body bottom has been realized, simultaneously, under the cooperation of limiting plate, movable rod and spring, realized cushioning rocking the tester body to can effectually reach the purpose of protecting the tester body, through above structure complex effect, highly can not adjust when having solved current transformer on-load tap-changer tester and using, can't satisfy people to its demand of different use heights, and self barrier propterty is poor, causes inside components and parts impaired easily when the accident collision takes place, has reduced its life's problem.

Drawings

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

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

FIG. 3 is a schematic sectional view of the box body of the present invention;

fig. 4 is a schematic view of the sectional structure of the fixing sleeve of the present invention.

In the figure: 1. a box body; 2. a rotating wheel; 3. a base plate; 4. a moving wheel; 5. a base; 6. a handle; 7. a box cover; 8. fixing a pin shaft; 9. a movable connecting rod; 10. a limiting block; 11. a bidirectional threaded rod; 12. a movable sleeve; 13. a sliding sleeve; 14. an inner tank; 15. a slide bar; 16. fixing a sleeve; 17. a protective pad; 18. a damping groove; 19. a tester body; 20. a movable rod; 21. a limiting plate; 22. a shock pad; 23. a spring.

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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The utility model discloses a box body 1, runner 2, bottom plate 3, remove wheel 4, base 5, handle 6, lid 7, fixed round pin axle 8, movable connecting rod 9, stopper 10, two-way threaded rod 11, movable sleeve 12, sliding sleeve 13, inside groove 14, slide bar 15, fixed cover 16, protection pad 17, shock attenuation groove 18, tester body 19, movable rod 20, limiting plate 21, shock attenuation pad 22 and spring 23 part are general standard or the part that technical personnel in the field know, its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental approach.

Referring to fig. 1-4, a transformer on-load tap-changer tester comprises a box body 1 and a bottom plate 3, the top of the box body 1 is movably connected with a box cover 7 through a hinge, the top of the box cover 7 is fixedly connected with a handle 6, the left end of the handle 6 is bonded with an anti-slip rubber sleeve through polyurethane glue, the bottom of the inner cavity of the box body 1 is bonded with a shock pad 22 through polyurethane glue, the top of the shock pad 22 is provided with a tester body 19, the inner surface of the shock pad 22 is provided with a shock absorption groove 18, the number of the shock absorption grooves 18 is multiple, the distance between every two adjacent shock absorption grooves 18 is equal, the upper end and the lower end of the periphery of the inner cavity of the box body 1 are fixedly connected with a fixed sleeve 16, one side of the inner cavity of the fixed sleeve 16 is fixedly connected with a spring 23, the other end of the spring 23 is fixedly connected with a movable rod 20, the protection device has the advantages that the protection capability can be realized on the outer portion of the tester body 19 through the effect of the box body 1, the protection capability can be realized while the position of the tester body 19 is limited through the effect of the limiting plate 21 and the protection pad 17, when accidental collision occurs, the protection device realizes the buffering capability on the bottom of the tester body 19 through the effect of the shock absorption pad 22 under the cooperation of the shock absorption groove 18, meanwhile, the buffering capability on the shaking of the tester body 19 is realized under the cooperation of the limiting plate 21, the movable rod 20 and the spring 23, so that the protection purpose on the tester body 19 can be effectively achieved, the bottom of the box body 1 is fixedly connected with the base 5, the upper end of the inner cavity of the base 5 is movably connected with the bidirectional threaded rod 11 through a bearing, the middle end of the bidirectional threaded rod 11 is fixedly connected with the limiting block 10, and the right side of the bidirectional threaded rod 11, a rotating handle is fixedly connected to the lower end of the right side of the rotating wheel 2, a movable sleeve 12 is in threaded connection with each of the left and right ends of the outer surface of the bidirectional threaded rod 11, four moving wheels 4 are movably connected to each of the left and right ends of the bottom plate 3 through a bearing, a stop pedal is movably connected to one side of each moving wheel 4, an inner groove 14 is formed in each of the left and right ends of the top of the bottom plate 3, a sliding rod 15 is fixedly connected to the middle end of the inner cavity of the inner groove 14, a sliding sleeve 13 is slidably connected to the outer surface of the sliding rod 15, fixing pin shafts 8 are fixedly connected to each of the front and rear sides of the sliding sleeve 13 and the movable sleeve 12, a movable connecting rod 9 is movably connected between the two fixing pin shafts 8, the rotating wheel 2 and the bidirectional threaded rod 11 are driven to rotate through the rotating handle, the movable sleeve, therefore, the bottom plate 3 and the base 5 can be separated, the height of the box body 1 is raised, and the tester body 19 can achieve the purpose of adjustable height according to the needs of people.

When the tester is used, the rotating wheel 2 and the bidirectional threaded rod 11 are driven to rotate by the rotating handle, the bidirectional threaded rod 11 drives the movable sleeve 12 to move while rotating, the movable sleeve 12 drives the sliding sleeve 13 to slide on the outer surface of the sliding rod 15 while moving under the matching of the fixed pin shaft 8 and the movable connecting rod 9, so that the bottom plate 3 and the base 5 can be separated, the height of the box body 1 is raised, the tester body 19 can achieve the purpose of height adjustment according to the needs of people, the protection capability of the outside of the tester body 19 can be realized by the action of the box body 1, the protection capability of the bottom of the tester body 19 can be realized by the action of the limiting plate 21 and the protection pad 17 while position limitation can be performed, when accidental collision occurs, the buffer capability of the bottom of the tester body 19 is realized by the action of the shock absorption pad 22 under the matching of the shock absorption groove 18, simultaneously, under the cooperation of limiting plate 21 and movable rod 20 and spring 23, realized rocking tester body 19 and cushioned, thereby can effectually reach the purpose of protecting tester body 19, through above structure complex effect, it is highly can not adjust when having solved current transformer on-load tap-changer tester and using, can't satisfy people to its demand of different service heights, and self barrier propterty is poor, cause inside components and parts impaired easily when the unexpected collision takes place, the problem of its life has been reduced.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer on-load tap-changer tester, includes box body (1) and bottom plate (3), its characterized in that: the bottom of the inner cavity of the box body (1) is bonded with a shock pad (22) through polyurethane glue, a tester body (19) is placed at the top of the shock pad (22), a shock absorption groove (18) is formed in the inner surface of the shock pad (22), the upper end and the lower end of the periphery of the inner cavity of the box body (1) are fixedly connected with a fixed sleeve (16), one side of the inner cavity of the fixed sleeve (16) is fixedly connected with a spring (23), the other end of the spring (23) is fixedly connected with a movable rod (20), the other side of the movable rod (20) is fixedly connected with a limiting plate (21), the other side of the limiting plate (21) is bonded with a protective pad (17) through the polyurethane glue, the bottom of the box body (1) is fixedly connected with a base (5), the upper end of the inner cavity of the base (5) is movably connected with a bidirectional threaded rod (11) through a, the novel movable connecting rod is characterized in that inner grooves (14) are formed in the left end and the right end of the top of the bottom plate (3), a sliding rod (15) is fixedly connected to the middle end of an inner cavity of the inner groove (14), a sliding sleeve (13) is slidably connected to the outer surface of the sliding rod (15), fixing pin shafts (8) are fixedly connected to the front side and the rear side of the sliding sleeve (13) and the movable sleeve (12), and a movable connecting rod (9) is movably connected between the two fixing pin shafts (8).

2. The transformer on-load tap-changer tester of claim 1, characterized in that: the top of box body (1) has lid (7) through hinge swing joint, the top fixedly connected with handle (6) of lid (7), and the left end of handle (6) bonds through polyurethane glue and has anti-skidding gum cover.

3. The transformer on-load tap-changer tester of claim 1, characterized in that: the number of the shock absorption grooves (18) is multiple, and the distances between every two adjacent shock absorption grooves (18) are equal.

4. The transformer on-load tap-changer tester of claim 1, characterized in that: the middle end fixedly connected with stopper (10) of two-way threaded rod (11), the right side fixedly connected with runner (2) of two-way threaded rod (11), and the lower extreme fixedly connected with rotation handle on runner (2) right side.

5. The transformer on-load tap-changer tester of claim 1, characterized in that: the left end and the right end of the bottom plate (3) are movably connected with four moving wheels (4) through bearings, and one side of each moving wheel (4) is movably connected with a stop pedal.