CN210210218U - Auxiliary dismounting device for connecting rod shaft pin of disconnecting switch of transformer substation - Google Patents
Auxiliary dismounting device for connecting rod shaft pin of disconnecting switch of transformer substation Download PDFInfo
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- CN210210218U CN210210218U CN201920988727.3U CN201920988727U CN210210218U CN 210210218 U CN210210218 U CN 210210218U CN 201920988727 U CN201920988727 U CN 201920988727U CN 210210218 U CN210210218 U CN 210210218U
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- connecting rod
- shaft pin
- disconnecting switch
- rotary sleeve
- rod shaft
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Abstract
The utility model discloses a supplementary dismounting device of transformer substation's isolator connecting rod pivot, including the riser, set up the upper transverse plate in the riser upper end to and set up the lower transverse plate in the lower tip of riser; the upper transverse plate is provided with a first threaded hole, the first threaded hole is connected with a jacking rod in a threaded manner, the lower end of the jacking rod is provided with a key body along the axial direction, a rotary sleeve is arranged on the lower part of the jacking rod, the inner wall of the upper part of the rotary sleeve is provided with a key groove matched with the key body, the bottom of the rotary sleeve is provided with a polygonal jack matched with the polygonal upper end of the connecting rod shaft pin of the disconnecting switch of the transformer substation, and a through hole allowing the connecting rod shaft pin of the transformer substation to penetrate out is formed in the position, right below the first. The utility model discloses can rotate the pivot repeatedly so that the corrosion part between pivot and the pinhole peels off earlier, later recycle roof pressure pole with the pivot extrusion, improved dismantlement efficiency.
Description
Technical Field
The utility model belongs to the technical field of isolator connecting rod cylindric lock extracting tool, especially, relate to an auxiliary dismounting device of isolator connecting rod pivot of transformer substation.
Background
With the increasing pace of power grid construction, the number of old disconnectors in operation in a transformer substation is still large, and in the process of replacement and maintenance, the old disconnectors are found to be seriously rusted due to the fact that the operating life of the old disconnectors is long and the shaft pins on the connecting rods of the disconnectors are required to be seriously rusted. Lead to the bite in the maintenance process, and current pivot dismounting device can only directly extrude the dismantlement to the pivot, and can not peel off the corrosion part between pivot and the pinhole, need peel off the corrosion part between pivot and the pinhole with the help of other rust removing tools and just can continue to carry out the pivot and dismantle, seriously influences the dismantlement efficiency of pivot. Therefore, a new connecting rod shaft pin dismounting auxiliary device for the substation disconnecting switch needs to be researched.
The invention application with the publication number of CN102649226A discloses a disconnecting switch connecting rod cylindrical pin dismounting tool, which is used for solving the problem of difficulty in dismounting a disconnecting switch connecting rod cylindrical pin and comprises a screw rod, a nut, a top plate, a bottom plate and a stress application rod, wherein the screw rod and the nut form a spiral transmission mechanism, the nut is fixedly installed on the top plate, the top plate and the bottom plate are fixedly assembled through bolt assembling pieces which are symmetrically arranged from left to right, and the stress application rod is assembled with the screw rod. The invention has simple structure, low manufacturing cost, stable performance and strong practicability, can improve the maintenance working efficiency of the transmission equipment, shorten the power failure time and create better economic benefit; when the disconnecting switch connecting rod cylindrical pin is used, the disconnecting switch connecting rod cylindrical pin can be detached only by matching one pair of pliers, so that the overhauling cost of power transmission equipment is reduced. However, the rusted part between the shaft pin and the pin hole cannot be peeled off, and the shaft pin can be continuously dismounted only by peeling off the rusted part between the shaft pin and the pin hole by using other rust removing tools, so that the dismounting efficiency of the shaft pin is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art's not enough, provide a supplementary dismounting device of isolator connecting rod pivot of transformer substation, can rotate the pivot repeatedly earlier so that the corrosion part between pivot and the pinhole peels off, later recycles the roof pressure pole and extrudes the pivot, has improved dismantlement efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the auxiliary dismounting device for the connecting rod shaft pin of the disconnecting switch of the transformer substation comprises a vertical plate, an upper transverse plate and a lower transverse plate, wherein the upper transverse plate is arranged at the upper end part of the vertical plate, and the lower transverse plate is arranged at the lower end part of the vertical plate; the transformer substation disconnecting switch connecting rod shaft pin structure is characterized in that a first threaded hole is formed in the upper transverse plate, a jacking rod is connected with the first threaded hole in a threaded manner, a key body is arranged at the lower end of the jacking rod along the axial direction, a rotary sleeve is arranged on a rotary sleeve on the lower portion of the jacking rod, a key groove matched with the key body is formed in the inner wall of the upper portion of the rotary sleeve, a polygonal insertion hole matched with the polygonal upper end portion of the transformer substation disconnecting switch connecting rod shaft pin is formed in the bottom of the rotary sleeve, and a through hole allowing the transformer substation disconnecting switch connecting rod shaft pin to penetrate out is formed in.
Furthermore, a retracting mechanism used for retracting the rotating sleeve upwards is arranged on the rotating sleeve, the retracting mechanism comprises an annular plate which is rotatably arranged outside the rotating sleeve through an annular sliding groove and sliding rail structure, and the annular plate is connected with the bottom of the upper transverse plate through a plurality of elastic pieces.
Further, the structure of the annular sliding groove and sliding rail is an annular sliding rail/sliding groove arranged on the circumferential surface of the rotating sleeve and an annular sliding groove/sliding rail structure arranged on the inner annular surface of the annular plate and matched with the annular sliding rail/sliding groove.
Further, the elastic piece is a rubber band or a spring.
Further, the number of the elastic pieces is 2-6.
Furthermore, a second threaded hole is formed in the upper transverse plate and located beside the first threaded hole, and a lower pressing rod used for pressing the rotary sleeve downwards is arranged in the second threaded hole in a threaded mode.
Furthermore, the upper parts of the top pressure rod and the lower pressure rod are provided with rotating modules for rotating and applying force.
Further, the rotating module is an insertion hole horizontally formed or a short rod horizontally arranged.
The utility model has the advantages that:
the utility model discloses to the easy bite of present isolator connecting rod pivot of transformer substation in maintenance process, and current pivot dismounting device can only directly extrude the pivot and dismantle, and can not peel off the corrosion part between pivot and the pinhole, need peel off with the help of other rust removing tools with the corrosion part between pivot and the pinhole and just can continue to carry out the pivot dismantlement, seriously influences the problem of the dismantlement efficiency of pivot. The auxiliary dismounting device for the connecting rod shaft pin of the disconnecting switch of the transformer substation comprises a vertical plate, an upper transverse plate and a lower transverse plate, wherein the upper transverse plate is arranged at the upper end part of the vertical plate, and the lower transverse plate is arranged at the lower end part of the vertical plate; the upper transverse plate is provided with a first threaded hole, the first threaded hole is connected with a jacking rod in a threaded manner, the lower end of the jacking rod is provided with a key body along the axial direction, a rotary sleeve is arranged on the lower part of the jacking rod, the inner wall of the upper part of the rotary sleeve is provided with a key groove matched with the key body, the bottom of the rotary sleeve is provided with a polygonal jack matched with the polygonal upper end of the connecting rod shaft pin of the disconnecting switch of the transformer substation, and a through hole allowing the connecting rod shaft pin of the transformer substation to penetrate out is formed in the position, right below the first.
In addition, in order to facilitate the key slot on the rotary sleeve to be automatically separated from the key body on the top pressure rod when the top pressure rod is used for ejecting the connecting rod shaft pin of the disconnecting switch of the transformer substation downwards, the rotary sleeve does not need to be manually lifted, a retracting mechanism for retracting the rotary sleeve upwards is arranged on the rotary sleeve, the retracting mechanism comprises an annular plate which is rotatably arranged outside the rotary sleeve through an annular sliding groove sliding rail structure, the annular plate is connected with the bottom of the upper transverse plate through a plurality of elastic pieces, the rotary sleeve is retracted upwards by utilizing the upward elastic force of the elastic pieces, and therefore the key slot on the rotary sleeve can be automatically separated from the key body on the top pressure rod. The elastic member is a rubber band, but a spring may be used. The number of the elastic members is not limited to 2, and there may be more elastic members, such as 3, 4, 5 or 6 elastic members. Meanwhile, the structure of the annular sliding groove and sliding rail is not limited to the structure of the annular sliding rail arranged on the circumferential surface of the rotating sleeve and the structure of the annular sliding groove arranged on the inner circumferential surface of the annular plate and matched with the annular sliding rail, and the structure of the annular sliding groove arranged on the circumferential surface of the rotating sleeve and the structure of the annular sliding rail arranged on the inner circumferential surface of the annular plate and matched with the annular sliding groove can also be adopted.
In addition, in order to facilitate the downward pressing of the rotary sleeve so that the key body on the rotary sleeve is matched with the key groove on the jacking rod for limiting, a second threaded hole is formed in the upper transverse plate and located beside the first threaded hole, and a lower pressing rod used for downward pressing of the rotary sleeve is arranged in the second threaded hole in a threaded mode.
In addition, in order to facilitate the rotation of the top pressure rod and the lower pressure rod, the upper parts of the top pressure rod and the lower pressure rod are both provided with a rotating module for rotating and applying force along the horizontal direction; the rotary module is not limited to the insertion hole, and may be a horizontally disposed short rod.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention.
Detailed Description
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. It should be understood that, for the sake of clarity, the terms "front, back, left, right, up, down" and the like used herein refer to the orientation terms with respect to fig. 1, and the orientation terms are not changed by the conversion of the drawings.
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.
Example 1:
as shown in fig. 1, the auxiliary dismounting device for the connecting rod shaft pin of the disconnecting switch of the transformer substation comprises a vertical plate 1, an upper transverse plate 2 arranged at the upper end part of the vertical plate 1, and a lower transverse plate 3 arranged at the lower end part of the vertical plate 1; the transformer substation disconnecting switch connecting rod shaft pin structure is characterized in that a first threaded hole 4 is formed in the upper transverse plate 2, a jacking rod 5 is connected with the inner thread of the first threaded hole 4, a key groove 6 is formed in the lower end of the jacking rod 5 along the axial direction, a rotary sleeve 7 is sleeved on the lower portion of the jacking rod 5 in a rotating mode, a key body 8 matched with the key groove 6 is arranged on the inner wall of the upper portion of the rotary sleeve 7, a polygonal jack 9 matched with the polygonal upper end portion of the transformer substation disconnecting switch connecting rod shaft pin is formed in the bottom of the rotary sleeve 7, and a through hole 10 allowing the transformer substation disconnecting switch connecting rod shaft pin to penetrate out is formed in the.
Example 2:
as shown in fig. 2, the auxiliary dismounting device for the connecting rod shaft pin of the disconnecting switch of the transformer substation comprises a vertical plate 1, an upper transverse plate 2 arranged at the upper end part of the vertical plate 1, and a lower transverse plate 3 arranged at the lower end part of the vertical plate 1; the upper transverse plate 2 is provided with a first threaded hole 4, the first threaded hole 4 is in threaded connection with a jacking rod 5, the lower end of the jacking rod 5 is axially provided with a key body 6, the lower portion of the jacking rod 5 is rotatably sleeved with a rotary sleeve 7, the inner wall of the upper portion of the rotary sleeve 7 is provided with a key groove 8 matched with the key body 6, the bottom of the rotary sleeve 7 is provided with a polygonal jack 9 matched with the polygonal upper end of a connecting rod shaft pin of a transformer substation disconnecting switch, and a through hole 10 allowing the connecting rod shaft pin of the transformer substation to penetrate out is formed in the position, right below the first threaded hole 4, of the lower transverse plate 3.
The rotating sleeve 7 is provided with a retracting mechanism for retracting the rotating sleeve 7 upwards, the retracting mechanism comprises an annular plate 11 which is rotatably arranged outside the rotating sleeve 7 through an annular sliding groove and sliding rail structure 13, and the annular plate 11 is connected with the bottom of the upper transverse plate 2 through a plurality of elastic pieces 12.
The elastic member 12 is a rubber band.
The number of the elastic members 12 is 2.
The annular sliding groove and sliding rail structure 13 is an annular sliding rail/sliding groove arranged on the circumferential surface of the rotating sleeve 7 and an annular sliding groove/sliding rail structure arranged on the inner annular surface of the annular plate 11 and matched with the annular sliding rail/sliding groove.
In this embodiment, in order to facilitate the key slot on the rotating sleeve to be automatically separated from the key body on the top pressure rod when the top pressure rod is used for ejecting the connecting rod shaft pin of the disconnecting switch of the transformer substation downwards, the rotating sleeve does not need to be manually lifted, a retracting mechanism for retracting the rotating sleeve upwards is arranged on the rotating sleeve, the retracting mechanism comprises an annular plate which is rotatably arranged outside the rotating sleeve through an annular sliding groove sliding rail structure, the annular plate is connected with the bottom of the upper transverse plate through a plurality of elastic pieces, the rotating sleeve is retracted upwards by utilizing the upward elastic force of the elastic pieces, and therefore the key slot on the rotating sleeve can be automatically separated from the key body on the top pressure rod. The elastic member is a rubber band, but a spring may be used. The number of the elastic members is not limited to 2, and there may be more elastic members, such as 3, 4, 5 or 6 elastic members. Meanwhile, the structure of the annular sliding groove and sliding rail is not limited to the structure of the annular sliding rail arranged on the circumferential surface of the rotating sleeve and the structure of the annular sliding groove arranged on the inner circumferential surface of the annular plate and matched with the annular sliding rail, and the structure of the annular sliding groove arranged on the circumferential surface of the rotating sleeve and the structure of the annular sliding rail arranged on the inner circumferential surface of the annular plate and matched with the annular sliding groove can also be adopted.
Example 3:
as shown in fig. 3, it differs from embodiment 2 in that: and a second threaded hole 14 is formed in the upper transverse plate 2 and positioned beside the first threaded hole 4, and a lower pressing rod 15 used for pressing the rotary sleeve 7 downwards is arranged in the second threaded hole 14 in a threaded manner.
In this embodiment, in order to facilitate the rotating sleeve to be pressed downward so that the key body on the rotating sleeve and the key groove on the top pressure rod are matched with each other for limiting, a second threaded hole is formed in the upper transverse plate and located beside the first threaded hole, and a lower pressure rod for pressing the rotating sleeve downward is arranged in the second threaded hole.
Example 4:
as shown in fig. 4, it differs from example 3 in that: and the upper parts of the top pressure rod 5 and the lower pressure rod 15 are both provided with a rotating module 16 for rotating and applying force.
The rotating module 16 is an insertion hole horizontally opened.
In the embodiment, in order to facilitate the rotation of the top pressure rod and the lower pressure rod, the upper parts of the top pressure rod and the lower pressure rod are both provided with a rotating module for rotating and applying force along the horizontal direction; the rotary module is not limited to the insertion hole, and may be a horizontally disposed short rod.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. Supplementary dismounting device of transformer substation's isolator connecting rod pivot, its characterized in that: the device comprises a vertical plate, an upper transverse plate arranged at the upper end part of the vertical plate, and a lower transverse plate arranged at the lower end part of the vertical plate; the transformer substation disconnecting switch connecting rod shaft pin structure is characterized in that a first threaded hole is formed in the upper transverse plate, a jacking rod is connected with the first threaded hole in a threaded manner, a key body is arranged at the lower end of the jacking rod along the axial direction, a rotary sleeve is arranged on a rotary sleeve on the lower portion of the jacking rod, a key groove matched with the key body is formed in the inner wall of the upper portion of the rotary sleeve, a polygonal insertion hole matched with the polygonal upper end portion of the transformer substation disconnecting switch connecting rod shaft pin is formed in the bottom of the rotary sleeve, and a through hole allowing the transformer substation disconnecting switch connecting rod shaft pin to penetrate out is formed in.
2. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 1, characterized in that: the rotary sleeve is provided with a retracting mechanism used for retracting the rotary sleeve upwards, the retracting mechanism comprises an annular plate which is rotatably arranged outside the rotary sleeve through an annular sliding groove sliding rail structure, and the annular plate is connected with the bottom of the upper transverse plate through a plurality of elastic pieces.
3. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 2, characterized in that: the annular sliding groove and sliding rail structure is an annular sliding rail/sliding groove arranged on the circumferential surface of the rotating sleeve and an annular sliding groove/sliding rail structure which is arranged on the inner annular surface of the annular plate and matched with the annular sliding rail/sliding groove.
4. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 2, characterized in that: the elastic piece is a rubber band or a spring.
5. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 2, characterized in that: the number of the elastic pieces is 2-6.
6. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 2, characterized in that: and a second threaded hole is formed in the upper transverse plate and is positioned beside the first threaded hole, and a lower pressing rod used for pressing the rotary sleeve downwards is arranged in the second threaded hole in a threaded manner.
7. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 6, characterized in that: and the upper parts of the top pressure rod and the lower pressure rod are provided with rotating modules for rotating and applying force.
8. The auxiliary dismounting device for the connecting rod shaft pin of the substation disconnecting switch according to claim 7, characterized in that: the rotating module is an insertion hole horizontally formed or a short rod horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988727.3U CN210210218U (en) | 2019-06-28 | 2019-06-28 | Auxiliary dismounting device for connecting rod shaft pin of disconnecting switch of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988727.3U CN210210218U (en) | 2019-06-28 | 2019-06-28 | Auxiliary dismounting device for connecting rod shaft pin of disconnecting switch of transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN210210218U true CN210210218U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920988727.3U Active CN210210218U (en) | 2019-06-28 | 2019-06-28 | Auxiliary dismounting device for connecting rod shaft pin of disconnecting switch of transformer substation |
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| CN (1) | CN210210218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331556A (en) * | 2020-04-10 | 2020-06-26 | 国网浙江台州市路桥区供电有限公司 | Electric power multifunctional equipment pin dismounting device |
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2019
- 2019-06-28 CN CN201920988727.3U patent/CN210210218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331556A (en) * | 2020-04-10 | 2020-06-26 | 国网浙江台州市路桥区供电有限公司 | Electric power multifunctional equipment pin dismounting device |
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