CN110828110A

CN110828110A - Power transformer convenient to maintain

Info

Publication number: CN110828110A
Application number: CN201911114918.8A
Authority: CN
Inventors: 李志祥; 董宏勇; 谭运春; 刘利群
Original assignee: Hengyang Huayi Electric Mutual Inductor Co Ltd
Current assignee: Hengyang Huayi Electric Mutual Inductor Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-02-21

Abstract

The invention discloses a power transformer convenient to maintain, which comprises a bottom plate, a supporting plate and a top plate, wherein the supporting plate is arranged at the top of the bottom plate, the top plate is arranged at the top of the supporting plate, the top end of the supporting plate penetrates through the top plate and extends to the outside of the top plate, and the surface of the supporting plate is movably connected with the top plate. According to the invention, the limiting component is arranged, the nut is only required to be rotated to be taken out from the surface of the threaded rod, then the threaded rod is taken out from the fixed block and the supporting plate, the top plate can be taken out from the surface of the supporting plate through the handle, the fixing component is arranged, the connecting block is pulled by the pull ring to move outwards, so that the protection pad is separated from the mutual inductor body, and the mutual inductor body can be taken out from the bottom plate.

Description

Power transformer convenient to maintain

Technical Field

The invention relates to the technical field of power transformers, in particular to a power transformer convenient to maintain.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion so as to realize standardization and miniaturization of measuring instrument, protection equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment. At present, common power transformers are relatively complex in disassembly and assembly modes, so that the power transformers are not convenient to maintain, the maintenance process is time-consuming and labor-consuming, the labor intensity of workers is increased, great inconvenience is brought to users, and the power transformers convenient to maintain are provided for this reason.

Disclosure of Invention

The present invention is directed to a power transformer which is convenient to maintain, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a power transformer convenient to maintain comprises a bottom plate, a supporting plate and a top plate, wherein the supporting plate is installed at the top of the bottom plate, the top plate is installed at the top of the supporting plate, the top end of the supporting plate penetrates through the top plate and extends to the outside of the top plate, the surface of the supporting plate is movably connected with the top plate, a limiting assembly is installed at the top of the top plate, a transformer body is arranged at the top of the bottom plate, fixing assemblies are arranged on the left side and the right side of the supporting plate, a limiting sleeve matched with the transformer body is installed at the bottom of the top plate, and a fixing sleeve matched with the transformer body is;

the limiting assembly comprises two fixing blocks, the fixing blocks are mounted at the top of the top plate, the two fixing blocks are respectively arranged on the left side and the right side of the supporting plate, a threaded rod is arranged inside the supporting plate, one end, far away from the supporting plate, of the threaded rod penetrates through the fixing blocks and extends to the outside of the fixing blocks, a nut is connected to the surface of the threaded rod positioned outside the fixing blocks in a threaded mode, a gasket is sleeved on the surface of the threaded rod, two sides of the gasket are respectively in close contact with the nut and the fixing blocks, and the surface of the threaded rod is;

the fixed subassembly includes the protective sheath, the protective sheath sets up the surface at the mutual-inductor body, install the protection pad on the inner wall of protective sheath, the protection pad is close to one side of mutual-inductor body rather than in close contact with, the protective sheath is kept away from one side of mutual-inductor body and is installed the movable rod, the one end that the protective sheath was kept away from to the movable rod runs through the backup pad and extends to its outside, and the connecting block is installed to the one end that is located the outside movable rod of backup pad, the connecting block is close to one side of protective sheath and installs two gag lever posts, the one end that the connecting block was kept away from to the gag lever post runs through the backup pad and extends to its outside, the gag lever post is close to the one end of protective sheath and its fixed connection.

Preferably, the handle is installed at the top of roof, the landing leg is installed to the bottom of mutual-inductor body, the bottom of landing leg runs through the bottom plate and extends to its inside.

Preferably, the number of the limiting assemblies is four, and the four limiting assemblies are respectively arranged at four corners of the top plate.

Preferably, install the protection pad on the inner wall of stop collar, the protection pad is close to one side of mutual-inductor body rather than in close contact with.

Preferably, one side of the connecting block, which is far away from the supporting plate, is provided with a pull ring.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the limiting component is arranged, the nut is only required to be rotated to be taken out from the surface of the threaded rod, then the threaded rod is taken out from the fixed block and the supporting plate, the top plate can be taken out from the surface of the supporting plate through the handle, the fixing component is arranged, the connecting block is pulled by the pull ring to move outwards, so that the protection pad is separated from the mutual inductor body, and the mutual inductor body can be taken out from the bottom plate.

2. The connecting block is convenient to pull by arranging the pull ring, the supporting leg is arranged to limit the mutual inductor body, the protective pad is arranged to prevent the limiting sleeve from damaging the mutual inductor body, and the pull ring is arranged to prevent the connecting block from being damaged.

Drawings

FIG. 1 is a structural cross-sectional view of a front view of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic mounting diagram of a top view of the fixing block of the present invention.

In the figure: the transformer comprises a bottom plate 1, a supporting plate 2, a top plate 3, a limiting component 4, a fixing block 41, a threaded rod 42, a nut 43, a gasket 44, a transformer body 5, a fixing component 6, a protective sleeve 61, a protective pad 62, a movable rod 63, a connecting block 64, a limiting rod 65, a spring 66, a limiting sleeve 7, a fixing sleeve 8, a handle 9, a supporting leg 10, a protective pad 11 and a pull ring 12.

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, a power transformer convenient for maintenance comprises a bottom plate 1, a supporting plate 2 and a top plate 3, wherein the supporting plate 2 is installed on the top of the bottom plate 1, the top plate 3 is installed on the top of the supporting plate 2, the top end of the supporting plate 2 penetrates through the top plate 3 and extends to the outside, the surface of the supporting plate 2 is movably connected with the top plate 3, the top of the top plate 3 is provided with four limiting assemblies 4, the four limiting assemblies 4 are respectively installed at four corners of the top plate 3, the top of the bottom plate 1 is provided with a transformer body 5, the top of the top plate 3 is provided with a handle 9, the handle 9 is arranged to facilitate taking the top plate 3, the bottom of the transformer body 5 is provided with supporting legs 10, the bottoms of the supporting legs 10 penetrate through the bottom plate 1 and extend to the inside, the surfaces of the supporting legs 10 are movably connected with the bottom plate 1, the left and right sides of backup pad 2 all is provided with fixed subassembly 6, and the stop collar 7 with 5 looks adaptations of mutual-inductor body is installed to the bottom of roof 3, installs protection pad 11 on the inner wall of stop collar 7, and protection pad 11 is close to one side of mutual-inductor body 5 rather than in close contact with, through setting up protection pad 11, prevents that stop collar 7 from causing the damage to mutual-inductor body 5, and fixed cover 8 with 5 looks adaptations of mutual-inductor body is installed at 1 top of bottom plate.

Spacing subassembly 4 includes two fixed blocks 41, the top at roof 3 is installed to fixed block 41, two fixed blocks 41 set up the left and right sides at backup pad 2 respectively, the inside of backup pad 2 is provided with threaded rod 42, the one end that backup pad 2 was kept away from to threaded rod 42 runs through fixed block 41 and extends to its outside, the surperficial threaded connection who is located the outside threaded rod 42 of fixed block 41 has nut 43, packing ring 44 has been cup jointed on the surface of threaded rod 42, the both sides of packing ring 44 respectively with nut 43 and fixed block 41 in close contact with, the surface of threaded rod 42 respectively with fixed block 41 and backup pad 2 swing joint.

The fixing component 6 comprises a protective sleeve 61, the protective sleeve 61 is arranged on the surface of the mutual inductor body 5, a protective pad 62 is arranged on the inner wall of the protective sleeve 61, one side of the protective pad 62 close to the mutual inductor body 5 is in close contact with the protective pad, the left side and the right side of the mutual inductor body 5 are protected by arranging the protective pad 62, a movable rod 63 is arranged on one side of the protective sleeve 61 far away from the mutual inductor body 5, one end of the movable rod 63 far away from the protective sleeve 61 penetrates through the supporting plate 2 and extends to the outside of the supporting plate, a connecting block 64 is arranged at one end of the movable rod 63 positioned outside the supporting plate 2, a pull ring 12 is arranged on one side of the connecting block 64 far away from the supporting plate 2, the pull ring 12 is arranged to conveniently pull the connecting block 64, two limit rods 65 are arranged on one side of the connecting block, the gag lever post 65 is close to the one end of protective sheath 61 rather than fixed connection, and spring 66 has been cup jointed on the surface of gag lever post 65, and the both ends of spring 66 respectively with backup pad 2 and protective sheath 61 fixed connection.

The working principle is as follows: during the use, only need to rotate nut 43, make nut 43 take out from the surface of threaded rod 42, then take out threaded rod 42 from fixed block 41 and backup pad 2, can take out roof 3 from the surface of backup pad 2 through handle 9, through setting up fixed subassembly 6, the effect of fixing mutual-inductor body 5 has been played, move to the outside through pull ring 12 pulling connecting block 64, connecting block 64 drives protective sheath 61 through movable rod 63 and moves to the outside, make protection pad 62 and mutual-inductor body 5 separate, can take out mutual-inductor body 5 from bottom plate 1, the dismouting mode is fairly simple, be convenient for maintain power transformer, not only the maintenance process is labour saving and time saving relatively, and staff's intensity of labour has been reduced, bring very big facility for the user.

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 power transformer convenient to maintain, includes bottom plate (1), backup pad (2) and roof (3), its characterized in that: the transformer comprises a bottom plate (1), a supporting plate (2), a top plate (3), a limiting component (4), a transformer body (5) and fixing components (6), wherein the supporting plate (2) is installed at the top of the bottom plate (1), the top end of the supporting plate (2) penetrates through the top plate (3) and extends to the outside of the top plate, the surface of the supporting plate (2) is movably connected with the top plate (3), the limiting component (4) is installed at the top of the top plate (3), the fixing components (6) are arranged on the left side and the right side of the bottom plate (1), the limiting sleeve (7) matched with the transformer body (5) is installed at the bottom of the top plate (3), and a fixing sleeve (8) matched with the transformer body (5) is installed at the top of;

the limiting assembly (4) comprises two fixing blocks (41), the fixing blocks (41) are installed at the top of the top plate (3), the two fixing blocks (41) are respectively arranged on the left side and the right side of the supporting plate (2), a threaded rod (42) is arranged inside the supporting plate (2), one end, far away from the supporting plate (2), of the threaded rod (42) penetrates through the fixing blocks (41) and extends to the outside of the fixing blocks, a nut (43) is connected to the surface of the threaded rod (42) located outside the fixing blocks (41) in a threaded mode, a gasket (44) is sleeved on the surface of the threaded rod (42), two sides of the gasket (44) are respectively in close contact with the nut (43) and the fixing blocks (41), and the surface of the threaded rod (42) is respectively movably connected with the fixing blocks (41;

the fixed component (6) comprises a protective sleeve (61), the protective sleeve (61) is arranged on the surface of the mutual inductor body (5), a protective pad (62) is installed on the inner wall of the protective sleeve (61), one side, close to the mutual inductor body (5), of the protective pad (62) is in close contact with the protective pad, one side, far away from the mutual inductor body (5), of the protective sleeve (61) is provided with a movable rod (63), one end, far away from the protective sleeve (61), of the movable rod (63) penetrates through the supporting plate (2) and extends to the outside of the supporting plate, one end, located outside the supporting plate (2), of the movable rod (63) is provided with a connecting block (64), one side, near the protective sleeve (61), of the connecting block (64) is provided with two limiting rods (65), one end, far away from the connecting block (64), of the limiting rod (65) penetrates through the supporting plate (2) and extends to the outside of the supporting, the surface of the limiting rod (65) is sleeved with a spring (66), and two ends of the spring (66) are fixedly connected with the supporting plate (2) and the protective sleeve (61) respectively.

2. A maintenance-friendly power transformer according to claim 1, characterized in that: handle (9) are installed at the top of roof (3), landing leg (10) are installed to the bottom of mutual-inductor body (5), bottom through bottom plate (1) and extend to its inside of landing leg (10).

3. A maintenance-friendly power transformer according to claim 1, characterized in that: the number of the limiting assemblies (4) is four, and the four limiting assemblies (4) are respectively arranged at four corners of the top plate (3).

4. A maintenance-friendly power transformer according to claim 1, characterized in that: install protection pad (11) on the inner wall of stop collar (7), one side that protection pad (11) are close to mutual-inductor body (5) rather than in close contact with.

5. A maintenance-friendly power transformer according to claim 1, characterized in that: and one side of the connecting block (64) far away from the support plate (2) is provided with a pull ring (12).