CN213400841U - Auxiliary device for magnetic shielding installation of transformer - Google Patents
Auxiliary device for magnetic shielding installation of transformer Download PDFInfo
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- CN213400841U CN213400841U CN202022812225.0U CN202022812225U CN213400841U CN 213400841 U CN213400841 U CN 213400841U CN 202022812225 U CN202022812225 U CN 202022812225U CN 213400841 U CN213400841 U CN 213400841U
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- transverse fixing
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Abstract
The utility model discloses a magnetic shielding installation auxiliary device of a transformer, which comprises a lifting device, a vertical fixing frame, a transverse fixing frame, a supporting plate and a fixing screw rod; the transverse fixing frames are provided with a plurality of vertical fixing frames along the length direction, the supporting plates are arranged at the bottoms of the vertical fixing frames and are used for supporting magnetic shielding; threaded through holes are formed in the transverse fixing frame and the vertical fixing frame corresponding to the magnetic shielding mounting holes, and fixing screws are connected to the threaded through holes; the transverse fixing frame is connected with a lifting device. The vertical fixing frame comprises a vertical fixing plate and a vertical moving plate, the vertical fixing plate is arranged at two ends of the transverse fixing frame, a sliding groove is formed in the transverse fixing frame, a boss is arranged on the vertical moving plate, the boss is arranged in the sliding groove, and the vertical moving plate is in sliding connection with the transverse fixing frame along the length direction; the vertical moving plate is provided with a thread through hole for connecting a fixed screw. The magnetic shield mounting device is simple in structure, and can smoothly and efficiently complete mounting of the magnetic shield.
Description
Technical Field
The utility model belongs to the transformer field specifically belongs to a transformer magnetic screen installation auxiliary device.
Background
In the running process of the transformer, when leakage flux generated by the winding passes through the box body, stray loss is generated in the box body, and the box body is locally overheated; in order to prevent the leakage flux from passing through the tank and causing the tank to generate heat, a magnetic shield is generally provided on a tank wall of the transformer, which has a relatively large leakage flux, for protection. The magnetic shield has higher magnetic permeability for the magnetic leakage flux of winding can get into the magnetic shield, reduces the magnetic leakage flux that gets into the oil tank wall shell, alleviates the local condition of generating heat of tank wall.
At present, the capacity of a power transformer of 500kV and above reaches million KVA, the weight of the power transformer needing oil tank magnetic shielding is heavier and heavier, and the installation structure of the power transformer is more complex. A horizontal novel mounting structure of cylinder oil tank magnetic shield that uses at present corresponds the position trompil at oil tank wall and magnetic shield, uses the bolt to pass the magnetic shield, fixes the magnetic shield on the oil tank wall, and the magnetic shield installation degree of difficulty of this structure is great, influences the efficiency of construction at scene.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a transformer magnetic screen installation auxiliary device, simple structure, use reliable and stable, can be smooth, the installation of magnetic screen is accomplished to the efficient.
In order to achieve the above object, the utility model provides a following technical scheme:
an auxiliary device for mounting a magnetic shield of a transformer comprises a lifting device, a vertical fixing frame, a transverse fixing frame, a supporting plate and a fixing screw rod;
the transverse fixing frames are provided with a plurality of vertical fixing frames along the length direction, the supporting plates are arranged at the bottoms of the vertical fixing frames and are used for supporting magnetic shielding;
threaded through holes are formed in the transverse fixing frame and the vertical fixing frame corresponding to the magnetic shielding mounting holes, and fixing screws are connected to the threaded through holes;
and the transverse fixing frame is connected with a lifting device.
Preferably, the vertical fixing frame comprises a vertical fixing plate and a vertical moving plate, the vertical fixing plate is arranged at two ends of the transverse fixing frame, a sliding groove is formed in the transverse fixing frame, a boss is arranged on the vertical moving plate, the boss is arranged in the sliding groove, and the vertical moving plate is in sliding connection with the transverse fixing frame along the length direction;
and the vertical moving plate is provided with a threaded through hole for connecting a fixed screw.
Preferably, the transverse fixing frame is provided with a hanging ring, and the lifting device is connected with the hanging ring to lift the transverse fixing frame.
And an auxiliary fixing frame is arranged at the bottom of the hanging ring and is fixedly connected with the transverse fixing frame.
Preferably, the supporting plate is L-shaped, the short edge of the L-shaped supporting plate is fixed on the vertical fixing frame, and the long edge of the L-shaped supporting plate supports the magnetic shield.
Preferably, the number of the transverse fixing frames is two, and the two transverse fixing frames are respectively fixed at the upper end and the lower end of the vertical fixing frame.
Preferably, the transverse fixing frame and the vertical fixing frame are fixed through welding.
Preferably, the vertical fixing frame, the horizontal fixing frame and the supporting plate are all made of stainless steel.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a transformer magnetic screen installation auxiliary device through set up the vertical mount of a plurality of on the horizontal mount that equals with magnetic screen length, through set up the backup pad bottom vertical mount, the backup pad plays the effect of main support magnetic screen, security when guaranteeing magnetic screen hoist and mount. Set up the bolt hole through corresponding the magnetism shielding mounting hole position on horizontal mount and vertical mount, adopt set screw to fix the magnetism shielding on transformer magnetism shielding installation auxiliary device, elevating gear rises the mounted position with the magnetism shielding, carries out the magnetism shielding installation, simple structure, use reliable and stable, can be smooth, the installation of efficient completion magnetism shielding.
Furthermore, through setting up vertical fixed plate and vertical movable plate, carry out sliding connection on horizontal mount through vertical movable plate, set up the screw thread through-hole on vertical movable plate and be used for connecting the clamping screw, the position of the screw thread through-hole on the vertical movable plate of position adjustment that conveniently corresponds the magnetism shielding mounting hole is convenient for install.
Furthermore, through setting up rings, adopt hoisting accessory to connect rings and carry out the lift of horizontal mount, conveniently carry out the lift of heavy magnetic screen, reduce the installation degree of difficulty of heavy magnetic screen.
Drawings
Fig. 1 is a front view of a magnetic shielding installation auxiliary device of a transformer according to an embodiment of the present invention;
fig. 2 is a side view of the auxiliary device for mounting the magnetic shield of the transformer according to the embodiment of the present invention;
fig. 3 is a use view of the auxiliary device for mounting the magnetic shield of the transformer according to the embodiment of the present invention;
fig. 4 is a side view of the magnetic shield installation auxiliary device of the transformer according to the embodiment of the present invention in use;
in the drawings: 1 is a vertical fixing frame; 2 is a transverse fixing frame; 3 is a vertical fixing plate; 4 is a hanging ring; 5 is an auxiliary fixing frame; 6 is a supporting plate; 7 is a vertical moving plate; 8 is a fixed screw; 9 is magnetic shielding; 10 is the tank wall of the transformer tank; 11 is a magnetic shield mounting hole; 12 is a mounting screw rod; and 13 is an auxiliary tool screw rod.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
Examples
As shown in fig. 1 to 4, the utility model relates to a transformer magnetic shielding installation auxiliary device, which comprises a lifting device, a vertical fixing frame 1, a transverse fixing frame 2, a supporting plate 6 and a fixing screw 8; the transverse fixing frame 2 is provided with a plurality of vertical fixing frames 1 along the length direction, the supporting plate 6 is arranged at the bottoms of the vertical fixing frames 1, and the supporting plate 6 is used for supporting the magnetic shielding 9; threaded through holes are formed in the transverse fixing frame 2 and the vertical fixing frame 1 corresponding to the magnetic shielding mounting holes 11, and fixing screws 8 are connected to the threaded through holes; the transverse fixing frame 2 is connected with a lifting device.
The vertical fixing frame 1 comprises a vertical fixing plate 3 and a vertical moving plate 7, the vertical fixing plate 3 is arranged at two ends of the transverse fixing frame 2, a sliding groove is formed in the transverse fixing frame 2, a boss is arranged on the vertical moving plate 7 and is arranged in the sliding groove, and the vertical moving plate 7 is in sliding connection with the transverse fixing frame 2; the vertical moving plate 7 is provided with a thread through hole for connecting the fixed screw 8. The magnetic shielding device is used for adjusting the position where the magnetic shielding is fixed during lifting, and the safety during magnetic shielding lifting is guaranteed. The position of the threaded through hole in the vertical moving plate is adjusted conveniently corresponding to the position of the magnetic shielding mounting hole, and the magnetic shielding mounting hole is convenient to mount.
The transverse fixing frame 2 is provided with a lifting ring 4, and a lifting device is connected with the lifting ring 4 to lift the transverse fixing frame 2. The bottom of the hanging ring 4 is provided with an auxiliary fixing frame 5, and the auxiliary fixing frame 5 is fixedly connected with the transverse fixing frame 2. Through setting up the mechanical strength of supplementary mount 5 increase rings 4 and 2 junctions of horizontal mount, avoid the hoist and mount in-process, the fracture appears at the connection position and leads to the fact the safety problem.
Be equipped with the screw thread through-hole on the oil tank inner wall of installation magnetic shield, with auxiliary fixtures screw in before the magnetic shield installation, both can each mounting hole of accurate positioning magnetic shield, can conveniently promote magnetic shield to appointed mounted position again, use reliable and stable, can be smooth, the installation of efficient completion magnetic shield.
As shown in fig. 1 and 2, the lifting device horizontally places the transformer magnetic shield installation auxiliary device on the workbench, then uses the magnetic lifting appliance to horizontally lift the magnetic shield 9 onto the transformer magnetic shield installation auxiliary device, and the lower part of the magnetic shield 9 is attached to the tool supporting plate 6. Then, by adjusting the position of the vertical moving plate 7, the threaded through hole of the vertical moving plate 7 is aligned with the position of the mounting hole on the magnetic shield, and the magnetic shield 9 and the transformer magnetic shield mounting auxiliary device are fixed by using the fixing screw 8.
As shown in fig. 3 and 4, two to three auxiliary tool screws 13 are screwed into the magnetic shield mounting holes 11 of the tank wall 10 of the transformer tank, and then the auxiliary mounting device for the transformer magnetic shield and the fixed magnetic shield 9 are moved to corresponding positions by using a lifting device. The height and the horizontal position of the magnetic shield 9 are finely adjusted, and the mounting hole of the magnetic shield penetrates into the auxiliary tool screw 13. The fixing screw 8 is loosened and taken out, and the magnetic shield 9 is pushed to the drawing installation position. The magnetic shield 9 is firmly fixed to the tank wall 10 of the transformer tank by using the magnetic shield mounting screw 12 in the remaining magnetic shield mounting hole 11. The auxiliary tool screw 13 which is installed before is loosened and taken out, and then the installation screw 12 is used for firmly fixing the auxiliary tool screw 13.
Claims (8)
1. An auxiliary device for mounting a magnetic shield of a transformer is characterized by comprising a lifting device, a vertical fixing frame (1), a transverse fixing frame (2), a supporting plate (6) and a fixing screw rod (8);
a plurality of vertical fixing frames (1) are arranged on the transverse fixing frame (2) along the length direction, the supporting plate (6) is arranged at the bottoms of the vertical fixing frames (1), and the supporting plate (6) is used for supporting the magnetic shield (9);
threaded through holes are formed in the positions, corresponding to the magnetic shielding mounting holes (11), of the transverse fixing frame (2) and the vertical fixing frame (1), and fixing screws (8) are connected to the threaded through holes;
and the transverse fixing frame (2) is connected with a lifting device.
2. The transformer magnetic shielding installation auxiliary device of claim 1, wherein the vertical fixing frame (1) comprises a vertical fixing plate (3) and a vertical moving plate (7), the vertical fixing plate (3) is arranged at two ends of the transverse fixing frame (2), a sliding groove is arranged on the transverse fixing frame (2), a boss is arranged on the vertical moving plate (7), the boss is arranged inside the sliding groove, and the vertical moving plate (7) is in sliding connection with the transverse fixing frame (2) along the length direction;
and a threaded through hole is formed in the vertical moving plate (7) and is used for connecting the fixed screw rod (8).
3. The auxiliary magnetic shield installation device for the transformer according to claim 1, characterized in that the transverse fixing frame (2) is provided with a hanging ring (4), and a lifting device is used to connect the hanging ring (4) for lifting the transverse fixing frame (2).
4. Auxiliary device for magnetic shielding installation of transformer according to claim 3, characterized in that the bottom of the hanging ring (4) is provided with an auxiliary fixing frame (5), and the auxiliary fixing frame (5) is fixedly connected with the transverse fixing frame (2).
5. Magnetic shield mounting aid for transformers according to claim 1, characterized in that the support plate (6) is L-shaped, the short side of the L-shaped support plate (6) being fixed to the vertical mount (1), the long side of the L-shaped support plate (6) supporting the magnetic shield (9).
6. The auxiliary magnetic shield installation device for the transformer according to claim 1, characterized in that the number of the transverse fixing frames (2) is two, and the two transverse fixing frames (2) are respectively fixed at the upper end and the lower end of the vertical fixing frame (1).
7. Magnetic shielding mounting auxiliary device for transformers according to claim 1, characterized in that said transverse fixing frame (2) and said vertical fixing frame (1) are fixed by welding.
8. A transformer magnetic shield installation auxiliary device according to claim 1, characterized in that the vertical fixing frame (1), the transverse fixing frame (2) and the supporting plate (6) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812225.0U CN213400841U (en) | 2020-11-27 | 2020-11-27 | Auxiliary device for magnetic shielding installation of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022812225.0U CN213400841U (en) | 2020-11-27 | 2020-11-27 | Auxiliary device for magnetic shielding installation of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400841U true CN213400841U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022812225.0U Active CN213400841U (en) | 2020-11-27 | 2020-11-27 | Auxiliary device for magnetic shielding installation of transformer |
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| Country | Link |
|---|---|
| CN (1) | CN213400841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116313445A (en) * | 2023-05-04 | 2023-06-23 | 江苏中天伯乐达变压器有限公司 | High-energy-efficiency power transformer |
-
2020
- 2020-11-27 CN CN202022812225.0U patent/CN213400841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116313445A (en) * | 2023-05-04 | 2023-06-23 | 江苏中天伯乐达变压器有限公司 | High-energy-efficiency power transformer |
| CN116313445B (en) * | 2023-05-04 | 2023-10-20 | 江苏中天伯乐达变压器有限公司 | High-energy-efficiency power transformer |
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