Main transformer mounting and fixing device

Abstract

The utility model relates to the technical field of main transformer installation, in particular to a main transformer installing and fixing device which comprises a supporting track, an upper layer limiting assembly, a lifting assembly and a lower layer limiting assembly, the supporting track is shaped like a Chinese character'jing 'and comprises an upper layer track body and a lower layer track body, and the upper layer track body is perpendicular to the lower layer track body. The upper-layer rails are fixedly arranged in the middle above the lower-layer rails, the two upper-layer rails and the two lower-layer rails are arranged in parallel at intervals, the two ends of each upper-layer rail are each movably provided with an upper-layer limiting assembly, and the two ends of each lower-layer rail are each movably provided with a lower-layer limiting assembly. The positions of the short limiting blocks and the long limiting blocks are adjusted through the upper-layer limiting assembly and the lower-layer limiting assembly, the main transformers with different sizes can be adapted, the lifting assembly is arranged in the middle of the upper-layer track and slidably connected with the upper-layer track, a supporting plate is rotationally arranged in the lifting assembly, and a plurality of rolling balls are arranged on the supporting plate in a rolling mode. And the position of the main transformer can be simply adjusted in a more labor-saving manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer installation technical field, concretely relates to a main transformer installation fixing device. BACKGROUND

[0002] The main transformer is a general step-down transformer used for power transmission and transformation in a step-up station or substation, and is the core part of the step-up station or substation. The capacity of the main transformer is generally large, and the working reliability is required to be high.

[0003] The main transformer is mainly placed on the installation fixing device by a crane in the step-up station or substation. The installation fixing device is generally a rack structure, and then the position of the main transformer is fixed by bolts.

[0004] The installation fixing device of part of the main transformer in the prior art is simple in structure. When the main transformer is placed on the installation fixing device, deviation may occur, for example, an angle deviation from the predetermined position. Therefore, multiple workers are required to cooperate when adjusting the position of the main transformer during the installation process, which is labor-intensive and low in efficiency. Moreover, the disassembly operation is also troublesome during the later maintenance and replacement. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a main transformer installation fixing device, which can effectively solve the above problems.

[0006] The utility model provides the following technical scheme, a main transformer installation fixing device, including support track, upper layer limit component, lifting assembly and lower layer limit component, the support track is well-shaped, the support track includes upper layer track and lower layer track, the upper layer track is perpendicular with lower layer track, the upper layer track is fixedly arranged in the middle part of the upper layer track, the upper layer track and lower layer track all are parallel and are spaced apart and are provided with two, the upper layer track both ends are respectively movably provided with one upper layer limit component, the lifting assembly is arranged in the middle part of the upper layer track, the lifting assembly is slidably connected with the upper layer track, the lifting assembly is rotatably provided with a support plate, the support plate is in contact or separated from the support arranged on the bottom of the main transformer, the lower layer track both ends are movably provided with one lower layer limit component.

[0007] Further, the upper layer limit component includes a first adjusting handle, a first lead screw, a first sleeve and a short limit block, the first lead screw, the first sleeve and the short limit block are all arranged in the upper layer track, one end of the first lead screw is rotatably connected with the upper layer track, the first lead screw penetrates out of the upper layer track and is fixedly connected with the first adjusting handle, the first adjusting handle is arranged outside the upper layer track, the first lead screw is arranged in the first sleeve and is threadedly connected with the first sleeve, and the first sleeve is slidably connected with the upper layer track.

[0008] Further, the limiting assembly further includes a short limiting block and a connecting plate, the short limiting block is fixedly connected to the end of the first sleeve away from the first adjusting handle, the upper end of the short limiting block penetrates the upper track and is provided with a long circular adjusting hole, the connecting plate is L-shaped, the connecting plate is formed by bending, one end of the connecting plate is provided with a long circular connecting hole, the other end is provided with a long circular fixing hole, the adjusting hole and the connecting hole are tightly connected through bolts and nuts, and the fixing hole is matched with the upper track and penetrates the bolt to fix the position of the main transformer.

[0009] Further, the lifting assembly includes a jack, a turntable and a support plate, the jack is installed at the lower end of the middle part of the upper track, the turntable is arranged in the middle part of the upper track, the lower part of the turntable is fixedly connected with the telescopic end of the jack, the middle part of the turntable is rotatably connected with the support rod fixedly arranged on the lower surface of the support plate, a plurality of rolling balls are circumferentially arranged on the support plate, the rolling balls are rotatably connected with the support plate, and the rolling balls are in contact with or separated from the support of the main transformer.

[0010] Further, the lower limiting assembly includes a second adjusting handle, a second lead screw, a second sleeve and a long limiting block, the second lead screw, the second sleeve and the long limiting block are located in the lower track, one end of the second lead screw is rotatably connected with the lower track, the second lead screw is fixedly connected with the second adjusting handle penetrating the lower track, the second adjusting handle is arranged outside the lower track, the second lead screw is arranged in the second sleeve and is threadedly connected with the second sleeve, the second sleeve is slidably connected with the lower track, and the long limiting block is fixedly connected to the end of the second sleeve away from the second adjusting handle.

[0011] Further, the support track further includes reinforcing ribs, the reinforcing ribs are arranged in two groups, each group of reinforcing ribs includes two reinforcing rods, one group of reinforcing ribs is fixedly arranged between the two upper tracks, and the other group of reinforcing ribs is fixedly arranged between the two lower tracks, two long circular through holes are arranged in the middle part of the upper track, and the fixing hole is matched with the long circular through hole and tightly fixes the main transformer through the bolt.

[0012] Compared with the prior art, the main transformer mounting and fixing device has the following beneficial effects:

[0013] 1. In the utility model, when the rolling ball is higher than the upper surface of the upper track due to the lifting of the lifting assembly, the support of the main transformer is in contact with the rolling ball, when the worker pushes the main transformer to adjust the position, the angle of the main transformer can be adjusted more labor-saving through the rotatable connection between the support plate and the turntable, the position of the main transformer in the horizontal direction can be adjusted through the rolling of the rolling ball, the friction force at the bottom of the main transformer support can be reduced through the rolling connection between the rolling ball and the support plate, the construction efficiency is improved, the labor intensity of the worker is reduced, and the later maintenance and replacement are facilitated.

[0014] 2. The utility model discloses, through the first lead screw and first sleeve pipe threaded connection, and second lead screw and second sleeve pipe threaded connection, not only can the transformer installation position be limited, can also adjust fastening size according to the size of main transformer, can adapt to different size main transformer, and the adaptability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described below in combination with the drawings.

[0016] Figure 1 For the main transformer mounting and fixing device structure schematic drawing of the utility model embodiment;

[0017] Figure 2 For the support rail schematic drawing of the utility model embodiment;

[0018] Figure 3 For the upper layer limiting subassembly split schematic drawing of the utility model embodiment;

[0019] Figure 4 For the first sleeve section schematic drawing of the utility model embodiment;

[0020] Figure 5 For the lifting subassembly split schematic drawing of the utility model embodiment;

[0021] Figure 6 For the lower layer limiting subassembly split schematic drawing of the utility model embodiment;

[0022] Figure 7 For the second sleeve section schematic drawing of the utility model embodiment.

[0023] 1, support rail;11, upper layer track;111, upper through -hole;112, long circular through -hole;113, lifting hole;12, lower layer track;121, lower through -hole;13, reinforcing rib;2, upper layer limiting subassembly;21, first adjusting handle;22, first lead screw;23, first sleeve pipe;24, short limiting block;241, adjusting hole;25, connecting plate;251, connecting hole;252, fixed hole;3, lifting subassembly;31, jack;32, rotary table;33, support plate;331, roll ball;332, support rod;4, lower layer limiting subassembly;41, second adjusting handle;42, second lead screw;43, second sleeve pipe;44, long limiting block;5, main transformer. DETAILED DESCRIPTION

[0024] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0025] In the description of the following utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation. The term "connection" only means the connection between devices and has no special meaning.

[0026] In addition, the technical field and installation method involved in the embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0027] Specific embodiments are as follows Figures 1-7 As shown: a main transformer mounting and fixing device, including support rail 1, upper layer limiting assembly 2, lifting assembly 3 and lower layer limiting assembly 4, the support rail 1 is a cross shape, the support rail 1 includes upper layer track 11 and lower layer track 12, the upper layer track 11 is perpendicular to the lower layer track 12, the upper layer track 11 is fixedly arranged above the middle part of the lower layer track 12, the upper layer track 11 and the lower layer track 12 are both provided with two parallel and spaced apart, each of the two ends of the upper layer track 11 is movably provided with an upper layer limiting assembly 2, the lifting assembly 3 is arranged in the middle of the upper layer track 11, the lifting assembly 3 is slidably connected with the upper layer track 11, a support plate 33 is rotatably arranged on the lifting assembly 3, the support plate 33 is in contact with or separated from the support arranged on the bottom of the main transformer 5; each of the two ends of the lower layer track 12 is movably provided with a lower layer limiting assembly 4.

[0028] Further, the support rail 1 further comprises reinforcing ribs 13, the reinforcing ribs 13 are provided in two groups, each group of reinforcing ribs 13 comprises two reinforcing rods, one group of reinforcing ribs 13 is fixedly arranged between the two upper layer rails 11, and the other group of reinforcing ribs 13 is fixedly arranged between the two lower layer rails 12, the upper layer rail 11 is provided with an upper through hole 111 at both ends, the upper layer limiting assembly 2 is rotatably connected with the upper through hole 111, the upper layer rail 11 is provided with two long circular through holes 112 at the middle portion, the upper layer limiting assembly 2 is matched with the long circular through hole 112 and fastens the main transformer 5 through bolts, the upper layer rail 11 is provided with a lifting hole 113 at the middle portion, the lifting assembly 3 is arranged in the lifting hole 113 and is slidably connected with the lifting hole 113, the lower layer rail 12 is provided with a lower through hole 121 at both ends, the lower layer limiting assembly 4 is rotatably connected with the lower through hole 121, the main transformer 5 is supported by the support rail 1 and is not easy to be eroded by accumulated water, the long circular through hole 112 is fastened with the support of the main transformer 5, which is simple, convenient and has good fastening effect.

[0029] The upper layer limiting assembly 2 comprises a first adjusting handle 21, a first lead screw 22, a first sleeve 23, a short limiting block 24 and a connecting plate 25, the first lead screw 22, the first sleeve 23 and the short limiting block 24 are arranged in the upper layer rail 11, one end of the first lead screw 22 is rotatably connected with the upper through hole 111, the first lead screw 22 is fixedly connected with the first adjusting handle 21 through the upper through hole 111, the first adjusting handle 21 is arranged outside the upper layer rail 11, the first lead screw 22 is arranged in the first sleeve 23 and is threadedly connected with the first sleeve 23, the first sleeve 23 is slidably connected with the upper layer rail 11, one end of the first sleeve 23 away from the first adjusting handle 21 is fixedly connected with the short limiting block 24, the short limiting block 24 is arranged outside the upper layer rail 11 and is provided with a long circular adjusting hole 241, the connecting plate 25 is L-shaped, the connecting plate 25 is formed by bending, one end of the connecting plate 25 is provided with a long circular connecting hole 251, the other end of the connecting plate 25 is provided with a long circular fixing hole 252, the adjusting hole 241 and the connecting hole 251 are fastened by bolts and nuts, the fixing hole 252 is matched with the long circular through hole 112 and fastens the position of the main transformer 5 through bolts, the position of the short limiting block 24 is moved by rotating the first adjusting handle 21, the height of the connecting plate 25 is adjusted through the adjusting hole 241 and the connecting hole 251, the both ends of the support of the main transformer 5 are limited, the fixing hole 252 is matched with the main transformer 5 and is fastened, which can adapt to main transformers 5 of different sizes and has strong adaptability.

[0030] The lifting assembly 3 comprises a jack 31, a rotating disc 32 and a support plate 33, the jack 31 is installed at the lower end of the middle part of the upper track 11, the rotating disc 32 is arranged in the lifting hole 113, the lower part of the rotating disc 32 is fixedly connected with the telescopic end of the jack 31, the middle part of the rotating disc 32 is inserted and rotationally connected with the support rod 332 fixedly arranged on the lower surface of the support plate 33, a plurality of rolling balls 331 are arranged on the upper surface of the support plate 33 in the circumferential direction, the rolling balls 331 are rolling connected with the support plate 33, the rolling balls 331 are in contact with or separated from the support of the main transformer 5, the outer ring of the lifting hole 113 is provided with a containing groove, in the non-working state, the support plate 33 is located in the containing groove, the rolling balls 331 are flush with or slightly lower than the upper surface of the upper track 11, in the working state, the jack 31 is started to make the rotating disc 32 and the support plate 33 rise, the rolling balls 331 are higher than the upper surface of the upper track 11, the support of the main transformer 5 can be in contact with the rolling balls 331, when the workers push the main transformer 5 to adjust the position, the rotating connection between the support plate 33 and the rotating disc 32 can make the workers adjust the angle of the main transformer 5 more easily, the rolling of the rolling balls 331 can adjust the position of the main transformer 5 in the horizontal direction, at the same time, the rolling connection between the rolling balls 331 and the support plate 33 can reduce the friction force at the bottom of the support of the main transformer 5, improve the construction efficiency and reduce the labor intensity of the workers, and facilitate the later maintenance and replacement.

[0031] The lower limiting assembly 4 comprises a second adjusting handle 41, a second lead screw 42, a second sleeve 43 and a long limiting block 44, the second lead screw 42, the second sleeve 43 and the long limiting block 44 are located in the lower track 12, one end of the second lead screw 42 is rotationally connected with the lower through hole 121, the second lead screw 42 is fixedly connected with the second adjusting handle 41 through the lower through hole 121, the second adjusting handle 41 is arranged outside the lower track 12, the second lead screw 42 is arranged in the second sleeve 43 and is threadedly connected with the second sleeve 43, the second sleeve 43 is slidingly connected with the lower track 12, one end of the second sleeve 43 away from the second adjusting handle 41 is fixedly connected with the long limiting block 44, the upper part of the long limiting block 44 penetrates out of the lower track 12 and is in contact with or separated from the main transformer 5, the long limiting block 44 is in contact with the main transformer 5 by rotating the second adjusting handle 41, and the two sides of the main transformer 5 are limited, which can assist in positioning the position of the main transformer 5.

[0032] When a main transformer mounting and fixing device is used, the support plate 33 is lifted by the jack 31, the main transformer 5 is dropped along the roughly predetermined position by using the crane, the support of the bottom of the main transformer 5 is placed on the support plate 33 of the lifting assembly 3, the support of the main transformer 5 is in contact with the rolling ball 331, then the workers adjust the placement angle and the position in the horizontal plane of the main transformer 5, the long limiting block 44 is simply limited to both sides of the main transformer 5 by rotating the second adjusting handle 41, the side vertical surface of the main transformer 5 is parallel to the support rail 1, the short limiting block 24 is adjusted to the appropriate position by rotating the first adjusting handle 21, the both ends of the support of the main transformer 5 are limited, the support of the bottom of the main transformer 5 is parallel to the upper rail 11, the support of the main transformer 5 is dropped to the upper rail 11 by closing the jack 31, the height of the connecting plate 25 is adjusted through the adjusting hole 241 and the connecting hole 251, the fixing hole 252 is matched with the main transformer 5, then the workers use the bolt to pass through the fixing hole 252, the support of the main transformer 5 and the long circular through hole 112 and fasten the connection with the nut, and the position of the main transformer 5 is fixed.

Claims

1. A main transformer mounting fixture, characterized by: Including support rail, upper layer limiting component, lifting assembly and lower layer limiting component, the support rail is a well shape, the support rail includes upper layer rail and lower layer rail, the upper layer rail is perpendicular to the lower layer rail, the upper layer rail is fixedly arranged above the middle of the lower layer rail, the upper layer rail and the lower layer rail are both parallel and spaced apart, two upper layer limiting components are movably arranged at the both ends of the upper layer rail respectively, the lifting assembly is arranged in the middle of the upper layer rail, the lifting assembly is slidably connected with the upper layer rail, a support plate is rotatably arranged in the lifting assembly, the support plate is in contact with or separated from the support of the bottom of the main transformer, and one lower layer limiting component is movably arranged at the both ends of the lower layer rail.

2. A main transformer mounting fixture as claimed in claim 1, wherein: The upper layer limiting component includes a first adjusting handle, a first lead screw, a first sleeve and a short limiting block, the first lead screw, the first sleeve and the short limiting block are arranged in the upper layer rail, one end of the first lead screw is rotatably connected with the upper layer rail, the first lead screw passes through the upper layer rail and is fixedly connected with the first adjusting handle, the first adjusting handle is arranged outside the upper layer rail, the first lead screw is arranged in the first sleeve and is threadedly connected with the first sleeve, and the first sleeve is slidably connected with the upper layer rail.

3. A main transformer mounting fixture as claimed in claim 2, wherein: The limiting component further includes a short limiting block and a connecting plate, one end of the first sleeve away from the first adjusting handle is fixedly connected with the short limiting block, the upper end of the short limiting block passes through the upper layer rail and is provided with an oblong adjusting hole, the connecting plate is L-shaped, the connecting plate is formed by bending, one end of the connecting plate is provided with an oblong connecting hole, and the other end is provided with an oblong fixing hole, the adjusting hole and the connecting hole are tightly connected through bolts and nuts, and the fixing hole is matched with the upper layer rail and is fixed with the main transformer through bolts.

4. A main transformer mounting fixture as claimed in claim 1, wherein: The lifting assembly includes a jack, a turntable and a support plate, the jack is installed at the lower end of the middle of the upper layer rail, the turntable is arranged in the middle of the upper layer rail, the lower part of the turntable is fixedly connected with the telescopic end of the jack, the support rod fixedly arranged on the lower surface of the support plate is inserted and rotatably connected with the middle part of the turntable, a plurality of rolling balls are arranged on the upper surface of the support plate in the circumferential direction, the rolling balls are rotatably connected with the support plate, and the rolling balls are in contact with or separated from the support of the main transformer.

5. A main transformer mounting fixture as claimed in claim 1, wherein: The lower layer limiting component includes a second adjusting handle, a second lead screw, a second sleeve and a long limiting block, the second lead screw, the second sleeve and the long limiting block are located in the lower layer rail, one end of the second lead screw is rotatably connected with the lower layer rail, the second lead screw passes through the lower layer rail and is fixedly connected with the second adjusting handle, the second adjusting handle is arranged outside the lower layer rail, the second lead screw is arranged in the second sleeve and is threadedly connected with the second sleeve, the second sleeve is slidably connected with the lower layer rail, and one end of the second sleeve away from the second adjusting handle is fixedly connected with the long limiting block.

6. A main transformer mounting fixture as claimed in claim 3, wherein: The support rail further comprises reinforcing ribs, two groups of reinforcing ribs are arranged, each group of reinforcing ribs comprises two reinforcing rods, one group of reinforcing ribs is fixedly arranged between the two upper layer rails, and the other group of reinforcing ribs is fixedly arranged between the two lower layer rails, two oblong through holes are arranged at the middle of the upper layer rails, the fixing holes are matched with the oblong through holes, and the main transformer is fastened through bolts.

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