CN215600189U - Oil-immersed transformer convenient to installation - Google Patents

Oil-immersed transformer convenient to installation Download PDF

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Publication number
CN215600189U
CN215600189U CN202121540059.1U CN202121540059U CN215600189U CN 215600189 U CN215600189 U CN 215600189U CN 202121540059 U CN202121540059 U CN 202121540059U CN 215600189 U CN215600189 U CN 215600189U
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China
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oil
transformer
laminated wood
wood block
connecting plate
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CN202121540059.1U
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Chinese (zh)
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张福昌
赵良雄
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Sichuan Fulaite Electric Power Equipment Co ltd
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Sichuan Fulaite Electric Power Equipment Co ltd
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Abstract

The utility model discloses an oil-immersed transformer convenient to mount, which mainly solves the problem that the existing oil-immersed transformer is inconvenient to mount. This transformer includes the oil tank of inside packing insulating oil, set up the transformer ware body in the oil tank, set up in the connection otic placode of oil tank below four corners department, the backup pad of two lower parallels through bolt and connection otic placode fixed connection, set up in the slide rail at backup pad both ends, both ends sliding connection is in the connecting plate on the slide rail of two backup pads with the one end, set up a plurality of locating holes on the connecting plate, be fixed in two locating pieces on the connecting plate through the screw connection locating hole, connect the first staple bolt in the locating piece outside, the tension bar that links to each other with first staple bolt upper end, and the second staple bolt that links to each other with the tension bar other end. When the transformer is installed between the telegraph poles, the positions of the connecting plates can be adjusted according to the distance between the telegraph poles, so that the anchor ear can be aligned with the telegraph poles for fixed connection, and the installation is convenient.

Description

Oil-immersed transformer convenient to installation
Technical Field
The utility model relates to an oil-immersed transformer, in particular to an oil-immersed transformer convenient to mount.
Background
The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, reduces 10(6) kV or 35kV network voltage to 230/400V bus voltage used by users, is suitable for alternating current 50(60) Hz, three-phase maximum rated capacity 2500kVA (single-phase maximum rated capacity 833kVA, generally no single-phase transformer is recommended), can be used indoors or outdoors, can be arranged on a pole when the capacity is 315kVA or below, the ambient temperature is not higher than 40 ℃, not lower than 25 ℃, the maximum daily average temperature is 30 ℃, the maximum annual average temperature is 20 ℃, the relative humidity is not higher than 90% (ambient temperature is 25 ℃), the altitude is not higher than 1000m, and if the capacity is not in accordance with the use conditions, the appropriate rated adjustment is carried out according to relevant regulations of GB 6450-86.
When the existing transformer is installed and used outdoors, the installation position cannot be adjusted according to the distance between the telegraph poles, and the installation efficiency is influenced. Meanwhile, with the progress of the oil-immersed transformer technology, the transformer body has strict requirements on the electrical performance and the insulating performance, and the quality of the structure directly influences the electrical performance and the insulating performance. The safety and reliability of the structure and operability thereof become important.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil-immersed transformer convenient to mount, and mainly solves the problem that the existing oil-immersed transformer is inconvenient to mount.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an oil-immersed transformer convenient to installation, including the oil tank of inside packing insulating oil, set up the transformer ware body in the oil tank, set up the connection otic placode in oil tank below four corners department, the backup pad of two lower parallels through bolt and connection otic placode fixed connection, set up in the slide rail at backup pad both ends, both ends sliding connection is in the connecting plate on the slide rail of two backup pads with the one end, set up a plurality of locating holes on the connecting plate, be fixed in two locating pieces on the connecting plate through the screw connection locating hole, connect the first staple bolt in the locating piece outside, the pull rod that links to each other with first staple bolt upper end, and the second staple bolt that links to each other with the pull rod other end.
Further, the transformer body comprises three iron cores serving as a three-phase transformer, clamping pieces which are arranged at the upper end and the lower end of each iron core, on the front side and the rear side of each iron core and used for clamping the iron cores through side screw rods, a coil wound on the outer side of the middle of each iron core, insulating end rings arranged at the upper end and the lower end of each coil, an upper laminated wood block arranged on the upper side of the insulating end ring at the upper end, a lower laminated wood block arranged on the lower side of the insulating end ring at the lower end, and a plurality of axial pull screw rods which are arranged at the front side and the rear side of each iron core and penetrate through the clamping pieces at the upper end and the lower end, the upper laminated wood block and the lower laminated wood block.
Furthermore, four axial pull screw rods are arranged on the front side and the rear side of the iron core.
Furthermore, adjusting nuts are arranged at the axial pull screw rods at the two ends of the clamping piece.
Furthermore, the axial pull screw rod at the upper end of the upper laminated wood block and the axial pull screw rod at the lower end of the lower laminated wood block are provided with compression nuts.
Furthermore, the left side and the right side of the upper end of the iron core are provided with lifting appliances, and lifting holes are formed in the lifting appliances.
Further, the clamping piece is I-shaped.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the two ends of the support plate are provided with the slide rails, and the slide rails are provided with the connecting plates in sliding connection, so that when the transformer is installed between the telegraph poles, the positions of the connecting plates can be adjusted according to the distance between the telegraph poles, the anchor ears can be aligned to the telegraph poles for fixed connection, and the installation is convenient.
(2) According to the utility model, the connecting plate is provided with the plurality of positioning holes, so that the relative positions of the two positioning blocks on the connecting plate can be adjusted, and the hoop is suitable for telegraph poles with different diameters and is convenient to mount.
(3) The iron core of the acoustic structure of the transformer is clamped by the clamping pieces through the side screw rods, the upper clamping piece and the lower clamping piece penetrate through the pull screw rods, the pull screw rods are equivalent to positioning pins to play a role in fixing the positions of the clamping pieces, and therefore the upper clamping piece and the lower clamping piece are prevented from being displaced left and right during assembly, and the structure of the transformer is safe and reliable.
(4) According to the utility model, the adjusting nuts are arranged on the upper part and the lower part of the clamping piece, and not only can the adjusting nuts play a role of fixing the clamping piece, but also the upper position and the lower position of the clamping piece can be adjusted, so that the upper size and the lower size of the clamping piece relative to the iron core are ensured.
(5) The upper and lower parts of the upper laminated wood block and the lower laminated wood block are provided with the compression nuts, the compression nuts can not only play a role of compressing the coil, but also adjust the axial position of the coil relative to the iron core.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic front structural view of the present invention.
Fig. 3 is a schematic front view of the transformer body according to the present invention.
Fig. 4 is a schematic side view of the transformer body according to the present invention.
Wherein, the names corresponding to the reference numbers are:
1-an oil tank, 2-a transformer body, 3-a connecting lug plate, 4-a bolt, 5-a supporting plate, 6-a sliding rail, 7-a connecting plate, 8-a positioning hole, 9-a positioning block, 10-a first hoop, 11-a tension rod, 12-a second hoop, 13-an iron core, 14-a side screw rod, 15-a clamping piece, 16-a coil, 17-an insulating end ring, 18-an upper laminated wood block, 19-a lower laminated wood block, 20-an axial tension screw rod, 21-an adjusting nut, 22-a compression nut, 23-a lifting appliance and 24-a lifting hole.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1 and 2, the oil-immersed transformer convenient to install disclosed by the utility model comprises an oil tank 1 filled with insulating oil, a transformer body 2 arranged in the oil tank 1, connecting lug plates 3 arranged at four corners below the oil tank 1, two lower parallel support plates 5 fixedly connected with the connecting lug plates 3 through bolts 4, slide rails 6 arranged at two ends of the support plates 5, connecting plates 7 with two ends slidably connected to the slide rails 6 at the same ends of the two support plates 5, a plurality of positioning holes 8 arranged on the connecting plates 7, two positioning blocks 9 fixed on the connecting plates 7 through the screw connecting positioning holes 8, a first hoop 10 connected to the outer sides of the positioning blocks 9, a tension rod 11 connected with the upper end of the first hoop 10, and a second hoop 12 connected with the other end of the tension rod 11. During installation, the connecting plates on the sliding rails are adjusted according to the distance between the telegraph poles at the installation positions, so that the hoops are aligned with the telegraph poles to be fixedly connected, then the oil tank of the internally-installed transformer body 2 is driven into the bolts through the connecting lug plates 3 to be fixed on the supporting plate, and installation is completed, and the mounting is convenient and fast. And a plurality of positioning holes are formed in the connecting plate, so that the relative positions of the two positioning blocks on the connecting plate can be adjusted, and the anchor ear can adapt to telegraph poles with different diameters.
In the present embodiment, as shown in fig. 3 and 4, the transformer body 2 includes three iron cores 13 serving as a three-phase transformer, clamping members 15 disposed at upper and lower ends, front and rear sides, of the iron core 13 and clamping the iron core 13 by side screws 14, a coil 16 wound around an outer side of a middle portion of the iron core 13, insulating end rings 17 disposed at upper and lower ends of the coil 16, an upper laminated wood block 18 disposed at an upper side of the upper insulating end ring 17, a lower laminated wood block 19 disposed at a lower side of the lower insulating end ring 17, and a plurality of axial pull screws 20 disposed at front and rear sides of the iron core 13 and penetrating the upper and lower end clamping members 15, the upper laminated wood block 18, and the lower laminated wood block 19.
In this embodiment, four axial tension screws 20 are disposed on the front and rear sides of the iron core 13. The utility model discloses an use these eight axial to draw screw rod 20 as the basis, all mountings and structure all draw screw rod 20 along these eight axial and arrange. On one hand, the iron core 13 is clamped by the clamping piece 15 through the side screw rods 14, the upper clamping piece 15 and the lower clamping piece 15 penetrate through the axial pull screw rods 20, the axial pull screw rods 20 are equivalent to positioning pins to play a role in fixing the position of the clamping piece 15, so that the left-right dislocation offset of the upper clamping piece and the lower clamping piece during assembly is prevented, adjusting nuts 21 are arranged on the upper portion and the lower portion of the clamping piece, the adjusting nuts 21 play a role in fixing the clamping piece 15, and the upper position and the lower position of the clamping piece 15 can be adjusted, so that the upper size and the lower size of the clamping piece relative to the iron core are guaranteed; on the other hand, the insulating end rings 17 are arranged above and below the coil 16 to increase the insulating strength and the mechanical strength of the coil, the laminated wood blocks are arranged above and below the insulating end rings 17, the lower laminated wood block 19 plays a role in supporting the weight of the coil, the upper laminated wood block 18 and the lower laminated wood block 19 press the coil and the insulating end rings 17 together, and the laminated wood blocks press the three-phase coil at the same time, so that the axial relative positions of the three-phase coil are ensured to be consistent, the upper parts of the upper laminated wood blocks 18 and the lower parts of the lower laminated wood blocks 19 are both provided with the compression nuts 22, and the compression nuts 22 not only can play a role in pressing the coil, but also can adjust the axial position of the coil relative to the iron core; in the third aspect, two lifting appliances 23 are arranged on the left side and the right side of the body, and lifting holes 24 are formed in the lifting appliances, so that the lifting is convenient.
Through the design, when the transformer is installed between the telegraph poles, the positions of the connecting plates can be adjusted according to the distance between the telegraph poles, so that the anchor ear can be aligned to the telegraph poles for fixed connection, and the installation is convenient. Thus, the present invention provides substantial features and improvements over the prior art.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.

Claims (7)

1. An oil-immersed transformer convenient to install is characterized by comprising an oil tank (1) filled with insulating oil, a transformer body (2) arranged in the oil tank (1), connecting lug plates (3) arranged at four corners below the oil tank (1), a lower two parallel supporting plates (5) fixedly connected with the connecting lug plate (3) through bolts (4), slide rails (6) arranged at two ends of the supporting plates (5), a connecting plate (7) with two ends connected with the slide rails (6) at the same end of the two supporting plates (5) in a sliding way, a plurality of positioning holes (8) arranged on the connecting plate (7), two positioning blocks (9) fixed on the connecting plate (7) through screw connection positioning holes (8), a first hoop (10) connected to the outer sides of the positioning blocks (9), a tension bar (11) connected with the upper end of the first hoop (10), and a second hoop (12) connected with the other end of the tension bar (11).
2. The oil-immersed transformer convenient to install according to claim 1, wherein the transformer body (2) comprises three iron cores (13) used as a three-phase transformer, clamps (15) arranged at the upper end, the lower end, the front side and the rear side of the iron cores (13) and clamping the iron cores (13) through side screws (14), a coil (16) wound outside the middle of the iron cores (13), insulating end rings (17) arranged at the upper end and the lower end of the coil (16), an upper laminated wood block (18) arranged on the upper side of the upper insulating end ring (17), a lower laminated wood block (19) arranged on the lower side of the lower insulating end ring (17), and a plurality of axial pull screws (20) arranged at the front side and the rear side of the iron cores (13) and penetrating through the upper and lower end clamps (15), the upper laminated wood block (18) and the lower laminated wood block (19).
3. An oil-filled transformer convenient to mount according to claim 2, characterized in that the axial pull screw (20) is provided with four on both the front and back sides of the iron core (13).
4. Oil filled transformer for easy installation according to claim 3, characterized by that at the axial pull screw (20) at both ends of the clamp (15) there is provided an adjusting nut (21).
5. An oil filled transformer for easy installation according to claim 4, characterized in that the upper laminated wood block (18) is provided with a compression nut (22) at the axial pull screw (20) at the upper end and the lower laminated wood block (19) is provided with a compression nut (20) at the axial pull screw (20) at the lower end.
6. Oil-filled transformer convenient to install according to claim 5, characterized in that the left and right sides of the upper end of the iron core (13) are provided with hangers (23) which are provided with hanging holes (24).
7. Oil filled transformer for ease of installation according to claim 6, characterized in that the clamping pieces (15) are I-shaped.
CN202121540059.1U 2021-07-07 2021-07-07 Oil-immersed transformer convenient to installation Active CN215600189U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121540059.1U CN215600189U (en) 2021-07-07 2021-07-07 Oil-immersed transformer convenient to installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121540059.1U CN215600189U (en) 2021-07-07 2021-07-07 Oil-immersed transformer convenient to installation

Publications (1)

Publication Number Publication Date
CN215600189U true CN215600189U (en) 2022-01-21

Family

ID=79877700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121540059.1U Active CN215600189U (en) 2021-07-07 2021-07-07 Oil-immersed transformer convenient to installation

Country Status (1)

Country Link
CN (1) CN215600189U (en)

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