CN212136225U - Converter transformer valve side sleeve connecting device - Google Patents
Converter transformer valve side sleeve connecting device Download PDFInfo
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- CN212136225U CN212136225U CN202021226668.5U CN202021226668U CN212136225U CN 212136225 U CN212136225 U CN 212136225U CN 202021226668 U CN202021226668 U CN 202021226668U CN 212136225 U CN212136225 U CN 212136225U
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- copper pipe
- conductive copper
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- end conductive
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Abstract
A converter transformer valve side sleeve connecting device comprises an upper end conductive copper pipe connected with a valve side sleeve and a lower end conductive copper pipe connected with a valve side equalizing tube, wherein supports are respectively arranged on the side walls of the upper end conductive copper pipe and the lower end conductive copper pipe, a hole is formed in each support, a bolt is arranged on each support, the two installed bolts are arranged along the direction parallel to the central line of the valve side sleeve and the central line of the end part of the valve side equalizing tube, the two bolts respectively penetrate through compression springs to be fixed on two supporting plates, a gap is reserved between each bolt and the hole wall of the hole formed in each support, and the upper end conductive copper pipe and the lower end conductive copper pipe can move in the gap range; and a soft copper stranded wire is arranged between the upper end conductive copper pipe and the lower end conductive copper pipe, and the soft copper stranded wire realizes conductive connection. The utility model discloses structure safe and reliable, simple to operate controls the deviation of position and angle about can being applicable to the central line of sleeve pipe and equalizer tube appears, reduces the installation work degree of difficulty, improves work efficiency, also improves converter transformer's fail safe nature.
Description
Technical Field
The utility model belongs to transformer manufacturing and designing field, concretely relates to converter transformer valve side bushing apparatus.
Background
The sleeve pipe on the valve side of the converter transformer needs to be obliquely installed according to different angles due to the requirement of air insulation distance, and the central line of the sleeve pipe is required to be overlapped with the central line of the end part of the pressure equalizing pipe during installation. Because valve side equalizer tube shape is complicated, and manufacturing error is difficult to avoid, causes valve side lead wire equalizer tube tip and valve side sleeve pipe afterbody to have about the deviation of position and angle, and the valve side sleeve pipe and the valve side equalizer tube that need not stop during the installation make valve side sleeve pipe central line and the coincidence of valve side equalizer tube tip central line, and the process is wasted time and energy. After the installation is finished, if the valve side sleeve and the valve side pressure equalizing pipe are not adjusted in place, stress can be caused to the connecting device, the stress of the connecting device is increased due to vibration generated by magnetostriction when the converter transformer operates, and deformation or breakage can be generated when the stress of the connecting device reaches a certain degree, so that influence is brought to the safe operation of the converter transformer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the problem that the difficulty was adjusted to above-mentioned prior art well valve side sleeve pipe and valve side equalizer tube connection process central line, provide a converter transformer valve side bushing apparatus, reduce the installation work degree of difficulty, improve work efficiency.
In order to achieve the above object, the present invention provides the following technical solutions:
a converter transformer valve side sleeve connecting device comprises an upper end conductive copper pipe connected with a valve side sleeve and a lower end conductive copper pipe connected with a valve side equalizing tube, wherein supports are respectively arranged on the side walls of the upper end conductive copper pipe and the lower end conductive copper pipe, a hole is formed in each support, a bolt is arranged on each support, the two installed bolts are arranged along the direction parallel to the central line of the valve side sleeve and the central line of the end part of the valve side equalizing tube, the two bolts respectively penetrate through compression springs to be fixed on two supporting plates, a gap is reserved between each bolt and the hole wall of the hole formed in each support, and the upper end conductive copper pipe and the lower end conductive copper pipe can move in the gap range; and a soft copper stranded wire is arranged between the upper end conductive copper pipe and the lower end conductive copper pipe, and the soft copper stranded wire realizes the conductive connection between the copper pipes.
As a preferred scheme of the utility model, this connecting device encapsulates through the sleeve pipe pressure-equalizing ball that sets up between valve side sleeve pipe and valve side pressure-equalizing pipe, and two layer boards are fixed on the inner wall of sleeve pipe pressure-equalizing ball.
As a preferred scheme of the utility model, the electrically conductive copper pipe suit of upper end is on valve side sleeve pipe leads electrical pillar, and lower extreme electrically conductive copper pipe suit is on valve side equalizer tube leads electrical pillar, and the support evenly sets up the multiunit along upper end electrically conductive copper pipe and lower extreme electrically conductive copper pipe's lateral wall.
As an optimized proposal of the utility model, a clearance of 10mm is left between the hole wall of the hole on the bolt and the bracket.
As an optimal scheme of the utility model, the bolt welding have the packing ring, the packing ring can cover the hole completely when the bolt removes for trompil on the support.
As a preferred scheme of the utility model, the bolt adopt M16 bolt, the external diameter of packing ring is 60mm, the diameter in hole is 36 mm.
As an optimal scheme of the utility model, compression spring's external diameter is 60mm, and the internal diameter is 50mm, compression 1/3's stroke when compression spring installs.
As an optimized proposal of the utility model, the supporting plate is provided with the threaded holes and is provided with the steel wire thread insert used for connecting the bolts, and the steel wire thread insert can prevent the bolts from loosening.
As an optimal scheme of the utility model, upper end contact tube and lower extreme contact tube's lateral wall welding be used for connecting the electrically conductive support at soft copper stranded conductor both ends, soft copper stranded conductor pass two layer boards and electrically conductive leg joint.
Compared with the prior art, the utility model discloses following beneficial effect has: the upper end conductive copper pipe and the lower end conductive copper pipe are respectively connected with the valve side sleeve and the valve side pressure equalizing pipe, the valve side sleeve and the valve side pressure equalizing pipe are separately and independently connected, the side walls of the upper end conductive copper pipe and the lower end conductive copper pipe are respectively provided with a support, and the supports are connected with the supporting plate through bolts. The utility model discloses because leave the clearance between the pore wall of trompil on the support and the bolt, satisfied upper end contact tube and lower extreme contact tube and can remove at this clearance scope, set up compression spring between support and the layer board, guarantee that upper end contact tube and lower extreme contact tube can not take place crooked, solved valve side equalizer tube tail end part central line and the problem of valve side sheathed tube central line positional deviation. Meanwhile, when the angle of the central line of the tail end part of the valve side pressure equalizing pipe is inconsistent with the angle of the central line of the valve side sleeve, the angle of the conductive copper pipe can be changed by changing the compression stroke of the compression spring, and the valve side pressure equalizing pipe is suitable for the angle deviation of the valve side pressure equalizing pipe or the valve side sleeve. The utility model discloses structure safe and reliable, simple to operate controls the deviation of position and angle about can being applicable to the central line of sleeve pipe and equalizer tube appears, reduces the installation work degree of difficulty, improves work efficiency, also improves converter transformer's fail safe nature.
Drawings
FIG. 1 is a front view of a valve-side bushing connection structure of a conventional converter transformer;
FIG. 2 is a sectional view of a valve-side bushing connection structure A-A of a conventional converter transformer;
FIG. 3 is a front view of the structure of the converter transformer valve side bushing device of the present invention;
FIG. 4 is a sectional view of the valve-side bushing connection device of the converter transformer of the present invention from the A-A direction;
FIG. 5 is a partial enlarged view of the valve-side bushing connection device of the converter transformer of the present invention;
FIG. 6 is a diagram showing the maximum assembly deviation of the converter transformer valve side bushing connection device of the present invention;
in the drawings: 1-valve side sleeve; 2-upper end conductive copper tube; 3-a scaffold; 4-a bolt; 5-a supporting plate; 6-wire thread insert; 7-compression spring; 8-lower end conductive copper tube; 9-valve side pressure equalizing tube; 10-soft copper stranded wire.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, in the valve side bushing structure of the current converter transformer, the valve side bushing is connected to the valve side voltage-sharing tube through a conductive copper tube, the two ends of the conductive copper tube are respectively sleeved on the conductive posts of the valve side bushing 1 and the valve side voltage-sharing tube 9, because the same conductive copper tube is used for connection in the past, the central line of the bushing is required to coincide with the central line of the end part of the voltage-sharing tube during installation, the shape of the valve side voltage-sharing tube is complex, the manufacturing error is difficult to avoid, the deviation of the position and the angle of the valve side lead wire voltage-sharing tube end part and the tail part of the valve side bushing is caused, the valve side bushing and the valve side voltage-. Meanwhile, the converter transformer vibrates due to magnetostriction during operation, so that the conductive copper pipe is easy to deform or crack due to increased stress.
Referring to fig. 3 to 5, the utility model discloses converter transformer valve side bushing apparatus, include upper end copper conductive pipe 2 that links to each other with valve side sleeve pipe 1 respectively and the lower extreme copper conductive pipe 8 that links to each other with valve side equalizer tube 9, through the encapsulation of the sleeve pipe equalizer ball that sets up between valve side sleeve pipe 1 and valve side equalizer tube 9, installing support 3 on the lateral wall of upper end copper conductive pipe 2 and lower extreme copper conductive pipe 8 respectively, 2 suits of upper end copper conductive pipe are on leading electrical pillar of valve side sleeve pipe 1, 8 suits of lower extreme copper conductive pipe are on leading electrical pillar of valve side equalizer tube 9, support 3 evenly sets up the multiunit along the lateral wall of upper end copper conductive pipe 2 and lower extreme copper conductive pipe 8.
The support 3 is provided with a hole and a bolt 4 is installed, the two installed bolts 4 are arranged along the direction parallel to the central line of the valve side sleeve and the central line of the end part of the valve side pressure equalizing pipe, the two bolts 4 respectively penetrate through compression springs 7 to be fixed on the two support plates 5, a gap is reserved between the bolt 4 and the hole wall of the hole formed in the support 3, and the upper end conductive copper pipe 2 and the lower end conductive copper pipe 8 can move within the gap range. The bolt 4 is welded with a washer which can completely cover the hole when the bolt 4 moves relative to the hole on the bracket. The supporting plate 5 is provided with a threaded hole and is provided with a steel wire thread insert 6 for connecting the bolt 4, and the steel wire thread insert 6 can prevent the bolt 4 from loosening.
The two supporting plates 5 are fixed on the inner wall of the sleeve pressure-equalizing ball. And a soft copper stranded wire 10 is arranged between the upper end conductive copper pipe 2 and the lower end conductive copper pipe 8, and the soft copper stranded wire 10 realizes conductive connection. The side walls of the upper end conductive copper pipe 2 and the lower end conductive copper pipe 8 are welded with conductive supports used for connecting two ends of a soft copper stranded wire 10, and the soft copper stranded wire 10 penetrates through the two supporting plates 5 to be connected with the conductive supports.
In one embodiment of the present invention, a gap of 10mm is left between the hole wall of the hole formed on the bolt 4 and the bracket 3. The bolt 4 is an M16 bolt, the outer diameter of a washer welded on the bolt 4 is 60mm, and the diameter of a hole formed in the bracket 3 is 36 mm. The compression spring 7 has an outer diameter of 60mm and an inner diameter of 50mm, and the compression spring 7 is installed while compressing 1/3.
Referring to fig. 6, the utility model discloses an upper end contact tube 2 freely removes and inclines in the clearance scope in the hole was seted up to bolt 4 and support 3, can satisfy valve side sleeve pipe 1 and valve side equalizer tube 9's position maximum deviation 20mm and be less than 5 angular deviation's installation condition, has effectively reduced the installation work degree of difficulty for traditional connection structure, has improved work efficiency.
The utility model discloses a set up the hole that the diameter is 36mm on support 3, guarantee to have 10 mm's clearance between bolt 4 and the pore wall, be 60 mm's big packing ring at M16 bolt afterbody welding external diameter, even guarantee to cover the hole completely at extreme position packing ring also, M16 bolt passes the external diameter and is 60mm, the internal diameter is 50 mm's spring, with spring compression about 1/3's stroke during the installation, guarantee to make copper tube not crooked promptly, also can guarantee that copper tube can set up the clearance removal between the hole on bolt 4 and support 3, the problem of valve side equalizer tube tail end part central line and the sheathed tube central line positional deviation of valve side has been solved. Meanwhile, if the angle of the central line of the tail end part of the valve side pressure equalizing pipe is not consistent with that of the central line of the valve side sleeve, the angle of the conductive copper pipe can be changed by changing the compression stroke of the spring, so that the angle deviation adjusting device is suitable for the angle deviation of the valve side pressure equalizing pipe or the valve side sleeve.
The utility model discloses structure safe and reliable, simple to operate controls the deviation of position and angle about can being suitable for the central line of sleeve pipe and equalizer tube appears, reduces the installation work degree of difficulty, improves work efficiency, improves converter transformer's fail safe nature.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting, and it should be understood by those skilled in the art that the present invention can be modified and replaced by other simple modifications and substitutions without departing from the spirit and principle of the present invention, and the modifications and substitutions also belong to the protection scope covered by the appended claims.
Claims (9)
1. The utility model provides a converter transformer valve side sleeve pipe connecting device which characterized in that: the valve side sleeve pipe structure comprises an upper end conductive copper pipe (2) connected with a valve side sleeve pipe (1) and a lower end conductive copper pipe (8) connected with a valve side pressure equalizing pipe (9), wherein the side walls of the upper end conductive copper pipe (2) and the lower end conductive copper pipe (8) are respectively provided with a support (3), the support (3) is provided with an opening and a bolt (4), the two installed bolts (4) are arranged along the direction parallel to the central line of the valve side sleeve pipe and the central line of the end part of the valve side pressure equalizing pipe, the two bolts (4) respectively penetrate through compression springs (7) and are fixed on two supporting plates (5), a gap is reserved between the bolt (4) and the hole wall of the opening on the support (3), and the upper end conductive copper pipe (2) and the lower end conductive copper pipe (8) can move; a soft copper stranded wire (10) is arranged between the upper end conductive copper pipe (2) and the lower end conductive copper pipe (8), and the soft copper stranded wire (10) realizes conductive connection.
2. The converter transformer valve-side bushing connecting device according to claim 1, wherein: the two support plates (5) are fixed on the inner wall of the sleeve pressure equalizing ball through the sleeve pressure equalizing ball package arranged between the valve side sleeve (1) and the valve side pressure equalizing pipe (9).
3. The converter transformer valve-side bushing connecting device according to claim 1, wherein: an upper end conductive copper pipe (2) is sleeved on a conductive column of the valve side sleeve (1), a lower end conductive copper pipe (8) is sleeved on a conductive column of the valve side pressure equalizing pipe (9), and a plurality of groups of supports (3) are uniformly arranged along the side walls of the upper end conductive copper pipe (2) and the lower end conductive copper pipe (8).
4. The converter transformer valve-side bushing connecting device according to claim 1, wherein: and a gap of 10mm is reserved between the bolt (4) and the hole wall of the hole formed in the bracket (3).
5. The converter transformer valve-side bushing connecting device according to claim 1, wherein: the bolt (4) is welded with a washer, and the washer can completely cover the hole when the bolt (4) moves relative to the hole on the bracket.
6. The converter transformer valve-side bushing connecting device according to claim 5, wherein: the bolt (4) adopts an M16 bolt, the outer diameter of the washer is 60mm, and the diameter of the hole is 36 mm.
7. The converter transformer valve-side bushing connecting device according to claim 1, wherein: the outer diameter of the compression spring (7) is 60mm, the inner diameter of the compression spring is 50mm, and the compression spring (7) compresses 1/3 when being installed.
8. The converter transformer valve-side bushing connecting device according to claim 1, wherein: the supporting plate (5) is provided with a threaded hole and is provided with a steel wire thread insert (6) used for connecting the bolt (4), and the steel wire thread insert (6) can prevent the bolt (4) from loosening.
9. The converter transformer valve-side bushing connecting device according to claim 1, wherein:
the side walls of the upper end conductive copper pipe (2) and the lower end conductive copper pipe (8) are welded with conductive supports used for connecting two ends of a soft copper stranded wire (10), and the soft copper stranded wire (10) penetrates through the two supporting plates (5) to be connected with the conductive supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226668.5U CN212136225U (en) | 2020-06-29 | 2020-06-29 | Converter transformer valve side sleeve connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226668.5U CN212136225U (en) | 2020-06-29 | 2020-06-29 | Converter transformer valve side sleeve connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136225U true CN212136225U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021226668.5U Active CN212136225U (en) | 2020-06-29 | 2020-06-29 | Converter transformer valve side sleeve connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136225U (en) |
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2020
- 2020-06-29 CN CN202021226668.5U patent/CN212136225U/en active Active
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