CN109434744B - Shunting switch oil leak handling tool - Google Patents
Shunting switch oil leak handling tool Download PDFInfo
- Publication number
- CN109434744B CN109434744B CN201811222686.3A CN201811222686A CN109434744B CN 109434744 B CN109434744 B CN 109434744B CN 201811222686 A CN201811222686 A CN 201811222686A CN 109434744 B CN109434744 B CN 109434744B
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- CN
- China
- Prior art keywords
- outer sleeve
- sleeve
- nut
- handle
- tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 210000003205 muscle Anatomy 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the field of maintenance tools, in particular to an oil leakage treatment tool for a tapping switch. It includes vertical arrangement's sleeve, the sleeve includes the outer sleeve and can make a round trip gliding inner skleeve along the outer sleeve axis, inner skleeve and outer sleeve normal running fit, the inner wall shape of inner skleeve lower extreme and the shape phase-match of last nut, the inner wall shape of outer sleeve lower extreme and the shape phase-match of nut down, the lower pot head of outer sleeve is established on the nut down, the lower pot head of inner skleeve is established on last nut, be equipped with the handle that stretches out on the outer sleeve, be equipped with the bumping post that stretches out on the inner skleeve, the bumping post supports the upper end that leans on at the outer sleeve, the up end of outer sleeve is equipped with undercut's draw-in groove. The invention can rapidly screw the upper nut and the lower nut to replace the sealing ring, saves time and labor, and does not interfere with other power components around the tap switch.
Description
Technical Field
The invention relates to the field of maintenance tools, in particular to an oil leakage treatment tool for a tapping switch.
Background
The tap changer is applied to tap conversion and connection of coil equipment, and is widely applied to power equipment. An upper sealing ring and a lower sealing ring are arranged in a tapping switch in a common oil-immersed distribution transformer, the two sealing rings are screwed by an upper screw cap and a lower screw cap respectively, but the sealing rings (expand with heat and contract with cold) are easy to loosen or age to cause oil leakage due to the change of factors such as seasons, loads and the like, and a hanging core is required to be overhauled. The upper nut and the lower nut are usually unscrewed by a wrench, but other electric power components are usually arranged at the upper tap changer of the distribution transformer, the wrench is too long in specification and too thick, the interference is easily caused with other electric power components, the normal use is unavailable, and the time and labor are consumed for overhauling oil leakage treatment of the tap changer hoisting core.
Chinese patent grant publication No. CN 201163567U, granted as 2008.12.10, entitled "a tool dedicated to overhaul a transformer on-load tap-changer", discloses a tool dedicated to overhaul a transformer on-load tap-changer, which comprises a rod-shaped handle, a cuboid head connected to one end of the rod-shaped handle, and two convex cylindrical pins located on the cuboid head and capable of being fitted with positioning holes on an insulating rotating shaft in an embedded manner. But the defect of this maintenance instrument is that does not solve the problem that upper nut and lower nut are difficult to unscrew, and tap changer hanging core overhauls the oil leak and handles still consuming time and hard.
Disclosure of Invention
The invention aims to overcome the defects that in the prior art, when a tap changer is overhauled in oil leakage, the spanner is too long in specification and too thick and is easy to interfere with other electric power components, and an upper nut and a lower nut are difficult to unscrew, so that the oil leakage treatment of the tap changer hoisting core is time-consuming and labor-consuming.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a tap switch oil leak treatment tool, sleeve including vertical arrangement, the sleeve includes the outer sleeve and can make a round trip gliding inner skleeve along the outer sleeve axis, inner skleeve and outer sleeve normal running fit, the inner wall shape of inner skleeve lower extreme and the shape phase-match of last nut, the inner wall shape of outer sleeve lower extreme and the shape phase-match of nut down, the lower pot head of outer sleeve is established on the nut down, the lower pot head of inner skleeve is established on last nut, be equipped with the handle that stretches out on the outer sleeve, be equipped with the bumping post that stretches out on the inner skleeve, the bumping post supports and leans on the upper end at the outer sleeve, the up end of outer sleeve is equipped with undercut's draw-in.
During maintenance, the lower end of the outer sleeve is sleeved on the lower nut, the inner sleeve is inserted into the outer sleeve, and the inner sleeve is rotated to enable the lower end of the inner sleeve to be sleeved on the upper nut. The handle is rotated, and relative rotation takes place between outer sleeve and the inner skleeve, makes the bumping post fall into the draw-in groove, and outer sleeve and inner skleeve are even as an organic whole and rotate along with the handle together this moment, will go up the nut and revolve out fast simultaneously with lower nut and change the sealing washer, labour saving and time saving. And meanwhile, the handle is positioned above the tap switch during maintenance, and the handle can not interfere with other power components on the periphery of the tap switch when rotating.
Preferably, the blocking column comprises a connecting column and a rolling column, the connecting column is fixed on the outer side wall of the inner sleeve, the rolling column is arranged on the connecting column in a rolling mode and matched with the clamping groove, and when the outer sleeve rotates relative to the inner sleeve, the rolling column rotates along the upper end face of the outer sleeve. The friction between the stop column and the outer sleeve is reduced, so that the stop column can smoothly fall into the clamping groove.
Preferably, the outer sleeve is provided with a vertically arranged sliding groove, and the handle is slidably arranged in the sliding groove. The position of the handle can be adjusted up and down according to the positions of other power components, so that interference is prevented.
Preferably, the handle comprises a handle body and a sliding block, the sliding block is arranged in the sliding groove in a sliding mode, and the handle body is hinged to the sliding block. When not in use, the handle can be folded and stored.
Preferably, the clamping groove and the upper end face of the outer sleeve are transited through an arc-shaped guide face. So that the catch can stably fall into the catch groove.
Preferably, the outer sleeve comprises an upper accommodating barrel and a lower nut barrel, the inner sleeve is slidably arranged in the upper accommodating barrel, the inner sleeve is in running fit with the upper accommodating barrel, and the shape of the inner wall of the lower nut barrel is matched with that of the lower nut. The lower nut barrel is used for unscrewing the nut, and the upper accommodating barrel is used for inserting and rotating the inner sleeve.
Preferably, the inner side wall of the upper accommodating barrel is provided with at least two vertically arranged guide ribs, and the guide ribs are uniformly distributed along the circumferential direction of the upper accommodating barrel in sequence. The guiding ribs play a guiding role in the process that the inner sleeve is inserted into the outer sleeve, so that the inner sleeve can be conveniently aligned to the upper screw cap.
The invention has the beneficial effects that: during maintenance, the lower end of the outer sleeve is sleeved on the lower nut, the inner sleeve is inserted into the outer sleeve, and the inner sleeve is rotated to enable the lower end of the inner sleeve to be sleeved on the upper nut. The handle is rotated, and relative rotation takes place between outer sleeve and the inner skleeve, makes the bumping post fall into the draw-in groove, and outer sleeve and inner skleeve are even as an organic whole and rotate along with the handle together this moment, will go up the nut and revolve out fast simultaneously with lower nut and change the sealing washer, labour saving and time saving. And meanwhile, the handle is positioned above the tap switch during maintenance, and the handle can not interfere with other power components on the periphery of the tap switch when rotating.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic view of the construction of the outer sleeve of the present invention.
In the figure: the distribution transformer 1, the tap changer body 11, the upper nut 12, the lower nut 13, the sleeve 2, the outer sleeve 3, the upper accommodating barrel 31, the guide rib 311, the lower nut barrel 32, the handle 33, the handle body 331, the slider 332, the sliding groove 34, the blocking column 35, the connecting column 351, the rolling column 352, the clamping groove 36, the arc-shaped guide surface 37 and the inner sleeve 4.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, the tap changer applicable to the present invention includes a tap changer body 11 installed on the distribution transformer 1, and other power components are installed around the tap changer body, and the tap changer body is provided with an upper sealing ring and a lower sealing ring, which are respectively screwed by an upper nut 12 and a lower nut 13, and the size of the lower nut is larger than that of the upper nut.
As shown in fig. 1 to 3, a tap switch oil leak treatment tool, sleeve 2 including vertical arrangement, the sleeve includes outer sleeve 3 and inner skleeve 4, the outer sleeve is formed by last holding section of thick bamboo 31 and lower nut section of thick bamboo 32 integrated into one piece, the inner skleeve slides and sets up in last holding section of thick bamboo, the inner skleeve can be followed the axis of last holding section of thick bamboo and made a round trip to slide, be equipped with two at least vertical arrangement's direction muscle 311 on the inside wall of last holding section of thick bamboo, each direction muscle is along the circumference equipartition in proper order of last holding section of thick bamboo, the figure of ideally direction muscle is 3, the axis of going up a holding section of thick bamboo is 120 degrees with the contained angle of two arbitrary direction muscle, the direction muscle plays the guide effect. The inner wall shape of the lower end of the inner sleeve is matched with the shape of the upper nut, the lower end of the inner sleeve is sleeved on the upper nut, the inner wall shape of the lower nut barrel is matched with the shape of the lower nut, the lower nut barrel is sleeved on the lower nut and used for screwing off the nut, and the upper accommodating barrel is used for inserting and rotating the inner sleeve. As shown in figure 1, the upper nut and the lower nut are both in the shape of a notch circle, so that after the upper nut is attached to the inner side wall of the inner sleeve, the inner sleeve can rotate the upper nut, the lower nut is similar, of course, the upper nut can be in other shapes, and only the shape of the inner wall of the lower end of the inner sleeve needs to be matched with the upper nut.
The inner sleeve is matched with the upper containing cylinder in a rotating way. Be equipped with the handle 33 that stretches out on the outer sleeve, be equipped with vertical arrangement's spout 34 on the outer sleeve, the handle includes handle body 331 and slider 332, and the slider slides and sets up in the spout, and the handle body articulates on the slider, and the position of handle can be adjusted from top to bottom according to the position of other electric power components and parts, can fold the handle when preventing to interfere and not using and accomodate. The inner sleeve is provided with a protruding stop pillar 35 which is abutted against the upper end of the outer sleeve, the upper end surface of the outer sleeve is provided with a clamping groove 36 which is recessed downwards, the clamping groove is matched with the stop pillar, and the clamping groove and the upper end surface of the outer sleeve are transited through an arc-shaped guide surface 37. The bumping post includes spliced pole 351 and rolling post 352, and the fixing of spliced pole is on the lateral wall of inner skleeve, and the rolling post rolls and sets up on the spliced pole, and the rolling post matches with the draw-in groove, and when the relative inner skleeve of outer sleeve rotated, the rolling post just rotated along the up end of outer sleeve, reduced the friction between bumping post and the outer sleeve for the bumping post can fall into the draw-in groove smoothly.
When the invention is used, the lower end of the outer sleeve is sleeved on the lower nut, the inner sleeve is inserted into the outer sleeve along the guide rib, and the inner sleeve is rotated to enable the lower end of the inner sleeve to be sleeved on the upper nut. The handle is rotated, and relative rotation takes place between outer sleeve and the inner skleeve, makes the bumping post fall into the draw-in groove, and outer sleeve and inner skleeve are even as an organic whole and rotate along with the handle together this moment, will go up the nut and revolve out fast simultaneously with lower nut and change the sealing washer, labour saving and time saving. The handle is located tap changer's top during the maintenance simultaneously, and can slide from top to bottom according to the position of the peripheral other electric power components of tap changer, ensures can not take place to interfere, and the handle still can fold when not using is accomodate.
Claims (7)
1. The utility model provides a tap switch oil leak treatment tool, characterized by, sleeve including vertical arrangement, the sleeve includes the outer sleeve and can makes a round trip gliding inner skleeve along the outer sleeve axis, inner skleeve and outer sleeve normal running fit, the inner wall shape of inner skleeve lower extreme and the shape phase-match of last nut, the inner wall shape of outer sleeve lower extreme and the shape phase-match of nut down, be equipped with the handle that stretches out on the outer sleeve, be equipped with the bumping post that stretches out on the inner skleeve, the bumping post supports and leans on the upper end of outer sleeve, the up end of outer sleeve is equipped with undercut's draw-in groove, draw-in groove and bumping post phase.
2. The tool for processing leaked oil of a tapping switch as claimed in claim 1, wherein the blocking column comprises a connecting column fixed on the outer side wall of the inner sleeve and a rolling column arranged on the connecting column in a rolling manner, the rolling column is matched with the clamping groove, and when the outer sleeve rotates relative to the inner sleeve, the rolling column rotates along the upper end face of the outer sleeve.
3. A tool for handling leaked oil from a tap changer according to claim 1 or 2, wherein the outer sleeve is provided with a vertically arranged slide groove, and the handle is slidably disposed in the slide groove.
4. The tool for processing leaked oil of a tapping switch as claimed in claim 3, wherein the handle comprises a handle body and a sliding block, the sliding block is slidably disposed in the sliding groove, and the handle body is hinged to the sliding block.
5. A tool for handling leaked oil from a tap changer according to claim 1 or 2, wherein the engaging groove is in transition with the upper end surface of the outer sleeve through an arc-shaped guide surface.
6. The tool of claim 1 or 2, wherein the outer sleeve comprises an upper receiving cylinder and a lower nut cylinder, the inner sleeve is slidably disposed in the upper receiving cylinder, the inner sleeve is rotatably engaged with the upper receiving cylinder, and the inner wall of the lower nut cylinder is matched with the lower nut.
7. The tool for processing the leaked oil of the tap switch of claim 6, wherein at least two positioning ribs are vertically arranged on the inner side wall of the upper accommodating barrel, and the positioning ribs are uniformly distributed along the circumferential direction of the upper accommodating barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222686.3A CN109434744B (en) | 2018-10-19 | 2018-10-19 | Shunting switch oil leak handling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222686.3A CN109434744B (en) | 2018-10-19 | 2018-10-19 | Shunting switch oil leak handling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434744A CN109434744A (en) | 2019-03-08 |
| CN109434744B true CN109434744B (en) | 2021-01-08 |
Family
ID=65546976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222686.3A Active CN109434744B (en) | 2018-10-19 | 2018-10-19 | Shunting switch oil leak handling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434744B (en) |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19737202C1 (en) * | 1997-08-27 | 1999-01-28 | Daimler Benz Aerospace Ag | Wrench for gripping threaded fasteners |
| US6276237B1 (en) * | 1999-02-09 | 2001-08-21 | Patrick Stacy | Coaxial socket |
| US7331255B2 (en) * | 2001-09-21 | 2008-02-19 | Petrak Gregory H | Method and apparatus for tensioning an emergency brake system on a vehicle |
| JP2009196051A (en) * | 2008-02-22 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | Socket for socket wrench and fixing method of fastened member |
| CN201346754Y (en) * | 2008-12-29 | 2009-11-18 | 马涛 | Wrench |
| CN201505873U (en) * | 2009-10-22 | 2010-06-16 | 李贵生 | Double nut socket wrench |
| CN202225141U (en) * | 2011-08-28 | 2012-05-23 | 金扬辉 | Socket wrench |
| DE102012200462A1 (en) * | 2012-01-13 | 2013-07-18 | Hilti Aktiengesellschaft | expansion anchor |
| FR3016417B1 (en) * | 2014-01-14 | 2016-01-22 | Lisi Aerospace | RIVET FOR BLIND FASTENING, ASSOCIATED TOOL FOR INSTALLATION AND METHOD OF INSTALLING SUCH A RIVET |
| CN204041907U (en) * | 2014-08-27 | 2014-12-24 | 宁波金凯机床制造有限公司 | Double nut rotating feed mechanism |
| CN104989718A (en) * | 2015-07-23 | 2015-10-21 | 李一达 | Dismountable antitheft nut combination part and mounting and dismounting tool thereof |
| CN205552390U (en) * | 2016-04-07 | 2016-09-07 | 瑞安市遵盛汽车零部件有限公司 | Collet head |
| CN206393534U (en) * | 2016-12-21 | 2017-08-11 | 申益 | A kind of gasket channel formula latching device |
| CN107131196A (en) * | 2017-05-27 | 2017-09-05 | 华信咨询设计研究院有限公司 | A kind of sill anchor protection device and guard method |
| CN207415282U (en) * | 2017-11-20 | 2018-05-29 | 钦州城郊供电公司 | Portable 10kV distribution transformer tap switch oil-leakage-prevention fasteners |
| CN207807564U (en) * | 2018-01-19 | 2018-09-04 | 四川汇智众创科技有限公司 | A kind of double nut tightens locked spanner |
| CN108247334A (en) * | 2018-03-22 | 2018-07-06 | 赵琳 | Long-range screw rod automatic assembling Double-nut device |
-
2018
- 2018-10-19 CN CN201811222686.3A patent/CN109434744B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109434744A (en) | 2019-03-08 |
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