CN215643981U - Special bracket device for replacing oil-immersed transformer below 5MVA - Google Patents
Special bracket device for replacing oil-immersed transformer below 5MVA Download PDFInfo
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- CN215643981U CN215643981U CN202122216494.5U CN202122216494U CN215643981U CN 215643981 U CN215643981 U CN 215643981U CN 202122216494 U CN202122216494 U CN 202122216494U CN 215643981 U CN215643981 U CN 215643981U
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- frame body
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Abstract
The utility model provides a special bracket device for replacing an oil-immersed transformer below 5MVA, which comprises a main bracket, a surface bracket and a first height adjusting mechanism, wherein the main bracket comprises an upper bracket and a lower bracket, when the transformer needs to be replaced, the upper bracket and the lower bracket are assembled into the main bracket, the height of the upper bracket is adjusted through the first height adjusting mechanism, the top of the main bracket is aligned with a platform of a transformer chamber, then the surface bracket is placed above the upper bracket, one end of the surface bracket extends into the interior of the transformer chamber, the surface bracket is connected with an indoor track of the transformer, then the transformer is pulled to move along the track and a first track on the surface bracket through an external hoist, the transformer is moved above the upper bracket, then the transformer is lifted away from the upper bracket through a crane or a crane, a new transformer is placed above the upper bracket, and then the transformer is pulled into the transformer chamber through the hoist, the replacement of the transformer is realized, and the efficiency of the replacement of the transformer can be greatly improved.
Description
Technical Field
The utility model relates to the technical field of maintenance of transformers, in particular to a special bracket device for replacing an oil-immersed transformer below 5 MVA.
Background
More than 90% of transformers used in a paper mill are oil-immersed transformers, more than 90% of transformers are low-voltage distribution transformers with weight not exceeding 12.5T and below 5MVA, most of transformers are installed in a transformer room, the bottom surface of the transformer room is provided with a track 1.2-1.7 meters high away from the ground, four wheels at the bottom of the transformer are located in the track, a platform of the transformer room is arranged outside the track, when the transformer is abnormally damaged, the transformer needs to be replaced, the transformer is pulled out, and the transformer can not be directly pulled out for replacement because the width of the platform of the transformer room is only 1 meter and is not supported by the track outside.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a special bracket device for replacing an oil-immersed transformer with the power of less than 5MVA, which can be connected with a platform of a transformer chamber and can pull out the transformer from the transformer chamber for replacement through external equipment such as a hoist.
The technical scheme of the utility model is realized as follows:
a special bracket device for replacing an oil-immersed transformer below 5MVA comprises a main bracket, a surface bracket and a first height adjusting mechanism, wherein one end of the surface bracket is connected with a transformer chamber platform, the other end of the surface bracket extends above the main bracket, a first rail for moving a transformer wheel is arranged on the surface bracket, and the first height adjusting mechanism is used for adjusting the height of the main bracket; the main support comprises an upper support and a lower support, the upper support comprises upper connecting rods, upper supporting legs, supporting plates and connecting plates, the upper connecting rods are spliced into an upper rectangular frame body, the upper supporting legs are arranged at the bottoms of four corners of the upper rectangular frame body, the supporting plates are connected with the side walls of the upper rectangular frame body, and the connecting plates are connected with the side walls of the upper supporting legs and are positioned below the supporting plates; the lower support comprises lower connecting rods, lower supporting legs and a supporting frame, the lower connecting rods are spliced into a lower rectangular frame body, the lower supporting legs are arranged at four corners of the lower rectangular frame body, the supporting frame is arranged above the lower rectangular frame body, and the first height adjusting mechanism is connected with the upper supporting legs and the lower supporting legs.
Preferably, first height adjusting mechanism includes first fixed plate, second fixed plate, first adjusting screw and first nut, it all is provided with the cavity to go up supporting leg and lower supporting leg lateral wall, first fixed plate sets up the cavity bottom at last supporting leg, the second fixed plate sets up in the cavity of lower supporting leg, be provided with the through-hole on the first fixed plate, first adjusting screw one end is connected with second fixed plate top surface, and the other end passes the through-hole, first nut sets up on first adjusting screw to be located first fixed plate from top to bottom.
Preferably, the auxiliary support comprises a track frame body, a fixed frame body, a first supporting leg and a second supporting leg, wherein the first supporting leg is arranged at the bottom of one side of the track frame body, the lower end of the first supporting leg is connected with the top surface of the fixed frame body, and the second supporting leg is arranged below the first supporting leg and is connected with the first supporting leg through the second height adjusting mechanism; the top surface of the track frame body is provided with a second track, one side of the second track, which is far away from the first supporting leg, is positioned above the supporting plate, one side of the fixed frame body, which is far away from the first supporting leg, is connected with the connecting plate, and one side of the surface support, which is far away from the transformer chamber, is positioned above the track frame body.
Preferably, the fixing frame body is provided with bolt holes on one side far away from the first supporting leg and the connecting plate.
Preferably, second height adjusting mechanism includes third fixed plate, fourth fixed plate, second adjusting screw and second nut, first supporting leg and second supporting leg lateral wall all are provided with the cavity, the third fixed plate sets up the cavity bottom at first supporting leg, the fourth fixed plate sets up in the cavity of second supporting leg, be provided with the through-hole on the third fixed plate, second adjusting screw one end is connected with fourth fixed plate top surface, and the other end passes the through-hole, the second nut sets up on second adjusting screw to be located about the third fixed plate.
Preferably, the side wall of the upper bracket is provided with a baffle, and the surface bracket extends to the top surface of the upper bracket and is positioned in the area formed by the baffle.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a special bracket device for replacing an oil-immersed transformer below 5MVA, which is suitable for replacing a transformer with a transformer chamber, when the transformer chamber is replaced, the main bracket is moved to one side of the transformer chamber, the height of the upper bracket is adjusted by the first height adjusting mechanism, so that the top of the upper bracket is flush with the transformer chamber, then the surface bracket is arranged above the upper bracket and is connected with the track in the transformer chamber, after the surface bracket is connected with the transformer chamber through an external hoist, the transformer can be pulled out along the rail in the transformer chamber and the first rail on the surface bracket, and after the transformer is pulled out above the upper bracket, can change or maintain the transformer hoist through the loop wheel machine, simple structure can be applicable to the use of the transformer room of co-altitude not, can effectively shorten the change time of transformer, improves transformer change efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an upper bracket of a special bracket device for replacing an oil-immersed transformer below 5MVA according to the present invention;
fig. 2 is a schematic structural diagram of a lower bracket of a special bracket device for replacing an oil-immersed transformer below 5MVA according to the present invention;
fig. 3 is a schematic structural diagram of a surface mount of a special mount device for replacing an oil-immersed transformer below 5MVA according to the present invention;
FIG. 4 is a schematic structural diagram of an auxiliary bracket of a special bracket device for replacing an oil-immersed transformer below 5MVA according to the present invention;
fig. 5 is a schematic view of a connection structure of a first support leg and a second support leg of a special bracket device for replacing an oil-immersed transformer below 5MVA according to the present invention;
in the figure, 1 is a face support, 2 is a first rail, 3 is an upper support, 4 is a lower support, 5 is an upper connecting rod, 6 is an upper supporting leg, 7 is a supporting plate, 8 is a connecting plate, 9 is an upper rectangular frame body, 10 is a lower connecting rod, 11 is a lower supporting leg, 12 is a supporting frame, 13 is a lower rectangular frame body, 14 is a first fixing plate, 15 is a second fixing plate, 16 is a first adjusting screw, 17 is a first nut, 18 is a through hole, 19 is a sub-support, 20 is a rail frame body, 21 is a fixing frame body, 22 is a first supporting leg, 23 is a second supporting leg, 24 is a second rail, 25 is a bolt hole, 26 is a third fixing plate, 27 is a fourth fixing plate, 28 is a second adjusting screw, 29 is a second nut, and 30 is a baffle plate.
Detailed Description
For a better understanding of the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, the special bracket device for replacing an oil-immersed transformer below 5MVA provided by the utility model comprises a main bracket, a surface bracket 1 and a first height adjusting mechanism, wherein one end of the surface bracket 1 is connected with a transformer chamber platform, the other end of the surface bracket extends above the main bracket, a first track 2 for moving a transformer wheel is arranged on the surface bracket 1, and the first height adjusting mechanism is used for adjusting the height of the main bracket; the main support comprises an upper support 3 and a lower support 4, the upper support 3 comprises an upper connecting rod 5, upper supporting legs 6, a supporting plate 7 and a connecting plate 8, the upper connecting rod 5 is spliced into an upper rectangular frame body 9, the upper supporting legs 6 are arranged at the bottoms of four corners of the upper rectangular frame body 9, the supporting plate 7 is connected with the side wall of the upper rectangular frame body 9, and the connecting plate 8 is connected with the side wall of the upper supporting legs 6 and is positioned below the supporting plate 7; the lower support 4 comprises a lower connecting rod 10, lower supporting legs 11 and a supporting frame 12, the lower connecting rod 10 is spliced into a lower rectangular frame body 13, the lower supporting legs 11 are arranged at four corners of the lower rectangular frame body 13, the supporting frame 12 is arranged above the lower rectangular frame body 13, and the first height adjusting mechanism is connected with the upper supporting legs 6 and the lower supporting legs 11.
The utility model relates to a special bracket device for replacing an oil-immersed transformer below 5MVA, which is suitable for replacing a transformer with a transformer chamber, when the transformer is replaced, firstly, a main bracket and a surface bracket 1 are moved to one side of the transformer chamber, after the upper bracket 3 and a lower bracket 4 are integrally installed, the position of the upper bracket 3 is adjusted through a first height adjusting mechanism, the upper bracket 3 is adjusted to be flush with a platform of the transformer chamber, then the surface bracket 1 is placed above the upper bracket 3, one end of the surface bracket 1 extends into the transformer chamber and is connected with a rail in the transformer chamber, then a hook of an external hoist is hung on the side wall of the transformer, the transformer is pulled to move through the hoist, wheels of the transformer can move outwards along the rail in the transformer chamber and the first rail 2, when the transformer moves above the upper bracket 3, the transformer can be taken out, then the transformer is lifted by a crane to be replaced or maintained, a new transformer or the transformer which is maintained is placed above the upper bracket 3, and the normal transformer is pulled into the transformer chamber by the hoist, so that the replacement of the transformer is realized.
For the upper support 3 and the lower support 4, the first height adjusting mechanism is used for adjusting, the supporting frame 12 is arranged on the lower support 4, the purpose of the supporting frame 12 is to limit the lowest height of the upper support 3, when the bottom of the upper rectangular frame 9 is contacted with the supporting frame 12, the upper rectangular frame 9 is at the lowest position and can not descend any more, and the first height adjusting mechanism is used for driving the upper supporting leg 6 to ascend and descend so as to adjust the whole height of the main support.
Preferably, first height adjustment mechanism includes first fixed plate 14, second fixed plate 15, first adjusting screw 16 and first nut 17, it all is provided with the cavity to go up supporting leg 6 and lower supporting leg 11 lateral wall, first fixed plate 14 sets up in the cavity bottom of last supporting leg 6, second fixed plate 15 sets up in the cavity of lower supporting leg 11, be provided with through-hole 18 on the first fixed plate 14, first adjusting screw 16 one end is connected with second fixed plate 15 top surface, and the other end passes through-hole 18, first nut 17 sets up on first adjusting screw 16 to be located first fixed plate 14 from top to bottom.
When the height of the upper bracket 3 is adjusted, the first nut 17 is loosened to enable the first nut 17 to leave the first fixing plate 14, then the first fixing plate 14 can move up and down along the first adjusting screw rod 16, and after the height of the first fixing plate 14 is adjusted, the first nut 17 arranged on the upper portion and the lower portion of the first fixing plate 14 is screwed to enable the first nut 17 to be fixed on the upper side and the lower side of the first fixing plate 14, so that the height adjustment of the upper bracket 3 is realized.
Preferably, the auxiliary support 19 further comprises an auxiliary support 19 and a second height adjusting mechanism, wherein the auxiliary support 19 comprises a track frame body 20, a fixed frame body 21, a first support leg 22 and a second support leg 23, the first support leg 22 is arranged at the bottom of one side of the track frame body 20, the lower end of the first support leg is connected with the top surface of the fixed frame body 21, and the second support leg 23 is arranged below the first support leg 22 and is connected with the first support leg 22 through the second height adjusting mechanism; the top surface of the track frame body 20 is provided with a second track 24, one side of the track frame body, which is far away from the first supporting leg 22, is located above the supporting plate 7, one side of the fixed frame body 21, which is far away from the first supporting leg 22, is connected with the connecting plate 8, one side of the surface support 1, which is far away from the transformer chamber, is located above the track frame body 20, and bolt holes 25 are formed in one side of the fixed frame body 21, which is far away from the first supporting leg 22, and the connecting plate 8.
The auxiliary support 19 is used for crossing a ditch, the main support is positioned at one side of a transformer chamber platform, the track frame body 20 and the fixed frame body 21 are respectively connected with the support plate 7 and the connecting plate 8 at one side of the upper support 3, the track frame body 20 is abutted above the support plate 7, the fixed frame body 21 is fixedly connected with the connecting plate 8 through bolts, the first support legs 22 are adjusted through the second height adjusting mechanism to drive the fixed frame body 21 and the track frame body 20 to ascend and descend, the top surface of the track frame body 20 is aligned with the top surface of the upper support 3, the auxiliary support 19 is installed, then the surface support 1 is placed on the track frame body 20 and the top surface of the upper support 3, the surface support 1 is installed, and finally the transformer can move along the inner track of the transformer chamber, the first track 2 and the second track 24 through a hoist.
Preferably, the second height adjusting mechanism includes a third fixing plate 26, a fourth fixing plate 27, a second adjusting screw 28 and a second nut 29, the side walls of the first supporting leg 22 and the second supporting leg 23 are both provided with cavities, the third fixing plate 26 is arranged at the bottom of the cavity of the first supporting leg 22, the fourth fixing plate 27 is arranged in the cavity of the second supporting leg 23, a through hole 18 is arranged on the third fixing plate 26, one end of the second adjusting screw 28 is connected with the top surface of the fourth fixing plate 27, the other end of the second adjusting screw passes through the through hole 18, and the second nut 29 is arranged on the second adjusting screw 28 and is located above and below the third fixing plate 26.
The second height adjusting mechanism has the same height adjusting function as the first height adjusting mechanism, the second nut 29 is loosened, the second nut 29 leaves the third fixing plate 26, then the first supporting leg 22 is lifted, the first supporting leg 22 can drive the track frame body 20 and the fixing frame body 21 to lift, and after the height adjustment is finished, the second nut 29 is screwed to the second fixing plate 15 up and down to realize the height adjustment of the auxiliary support 19.
Preferably, the side wall of the upper bracket 3 is provided with a baffle 30, and the surface bracket 1 extends to the top surface of the upper bracket 3 and is positioned in the area formed by the baffle 30.
The baffle 30 is provided to prevent the face support 1 from shifting on the upper support 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A special support device for replacing an oil-immersed transformer below 5MVA is characterized by comprising a main support, a surface support and a first height adjusting mechanism, wherein one end of the surface support is connected with a transformer chamber platform, the other end of the surface support extends above the main support, a first rail for moving a transformer wheel is arranged on the surface support, and the first height adjusting mechanism is used for adjusting the height of the main support; the main support comprises an upper support and a lower support, the upper support comprises upper connecting rods, upper supporting legs, supporting plates and connecting plates, the upper connecting rods are spliced into an upper rectangular frame body, the upper supporting legs are arranged at the bottoms of four corners of the upper rectangular frame body, the supporting plates are connected with the side walls of the upper rectangular frame body, and the connecting plates are connected with the side walls of the upper supporting legs and are positioned below the supporting plates; the lower support comprises lower connecting rods, lower supporting legs and a supporting frame, the lower connecting rods are spliced into a lower rectangular frame body, the lower supporting legs are arranged at four corners of the lower rectangular frame body, the supporting frame is arranged above the lower rectangular frame body, and the first height adjusting mechanism is connected with the upper supporting legs and the lower supporting legs.
2. The special bracket device for replacing an oil-immersed transformer below 5MVA according to claim 1, wherein the first height adjusting mechanism comprises a first fixing plate, a second fixing plate, a first adjusting screw and a first nut, the side walls of the upper supporting leg and the lower supporting leg are provided with cavities, the first fixing plate is arranged at the bottom of the cavity of the upper supporting leg, the second fixing plate is arranged in the cavity of the lower supporting leg, the first fixing plate is provided with a through hole, one end of the first adjusting screw is connected with the top surface of the second fixing plate, the other end of the first adjusting screw penetrates through the through hole, and the first nut is arranged on the first adjusting screw and located above and below the first fixing plate.
3. The special bracket device for replacing the oil immersed transformer below 5MVA according to claim 1, further comprising a secondary bracket and a second height adjusting mechanism, wherein the secondary bracket comprises a track frame body, a fixed frame body, a first supporting leg and a second supporting leg, the first supporting leg is arranged at the bottom of one side of the track frame body, the lower end of the first supporting leg is connected with the top surface of the fixed frame body, and the second supporting leg is arranged below the first supporting leg and is connected with the first supporting leg through the second height adjusting mechanism; the top surface of the track frame body is provided with a second track, one side of the second track, which is far away from the first supporting leg, is positioned above the supporting plate, one side of the fixed frame body, which is far away from the first supporting leg, is connected with the connecting plate, and one side of the surface support, which is far away from the transformer chamber, is positioned above the track frame body.
4. The bracket device special for replacing an oil-immersed transformer below 5MVA according to claim 3, wherein bolt holes are arranged on one side of the fixing frame body far away from the first supporting leg and the connecting plate.
5. The special bracket device for replacing an oil-immersed transformer below 5MVA according to claim 3, wherein the second height adjusting mechanism comprises a third fixing plate, a fourth fixing plate, a second adjusting screw and a second nut, the side walls of the first supporting leg and the second supporting leg are provided with cavities, the third fixing plate is arranged at the bottom of the cavity of the first supporting leg, the fourth fixing plate is arranged in the cavity of the second supporting leg, a through hole is formed in the third fixing plate, one end of the second adjusting screw is connected with the top surface of the fourth fixing plate, the other end of the second adjusting screw penetrates through the through hole, and the second nut is arranged on the second adjusting screw and located above and below the third fixing plate.
6. The special bracket device for replacing an oil-filled transformer below 5MVA according to claim 1, wherein the side wall of the upper bracket is provided with a baffle, and the surface bracket extends to the top surface of the upper bracket and is located in the area formed by the baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122216494.5U CN215643981U (en) | 2021-09-14 | 2021-09-14 | Special bracket device for replacing oil-immersed transformer below 5MVA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122216494.5U CN215643981U (en) | 2021-09-14 | 2021-09-14 | Special bracket device for replacing oil-immersed transformer below 5MVA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215643981U true CN215643981U (en) | 2022-01-25 |
Family
ID=79915680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122216494.5U Active CN215643981U (en) | 2021-09-14 | 2021-09-14 | Special bracket device for replacing oil-immersed transformer below 5MVA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215643981U (en) |
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2021
- 2021-09-14 CN CN202122216494.5U patent/CN215643981U/en active Active
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