CN110977878A - Portable 10KV rapid knife switch spring replacement special tool - Google Patents
Portable 10KV rapid knife switch spring replacement special tool Download PDFInfo
- Publication number
- CN110977878A CN110977878A CN201911421442.2A CN201911421442A CN110977878A CN 110977878 A CN110977878 A CN 110977878A CN 201911421442 A CN201911421442 A CN 201911421442A CN 110977878 A CN110977878 A CN 110977878A
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- bearing
- pressing plate
- screw rod
- trolley
- fixedly connected
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- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 241001397809 Hakea leucoptera Species 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
- B25B27/302—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs
- B25B27/304—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs coil springs other than torsion coil springs by compressing coil springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The invention discloses a portable 10KV rapid tool special for replacing a knife switch spring, which comprises a trolley guide groove, the top of the trolley guide groove is fixedly connected with an upper pressure plate, a screw rod is arranged in the upper pressure plate, the top of the screw rod penetrates through the upper pressure plate, the top of the screw is fixedly connected with a hexagonal head, the hexagonal head is connected with an operating rod, the top of the upper pressure plate is provided with a bearing pressure plate, the middle part of the bearing pressing plate is movably connected with the screw rod through a screw rod bearing, the bearing pressing plate is fixedly connected with the upper pressing plate through an inner hexagonal screw, the outer surface of the screw rod is provided with a trolley, the inside of the trolley is fixedly connected with a threaded sleeve, the threaded sleeve is in threaded connection with the screw rod, one side of the trolley, which is far away from the trolley guide groove, is fixedly connected with a lower pressing plate, and one side of the trolley, which is close to the trolley guide groove, is connected with a bearing assembly. The invention has the advantages of convenient carrying and flexible assembly, and can reduce the operation time and the power failure time.
Description
Technical Field
The invention relates to the technical field of high-voltage cabinet tools, in particular to a portable 10KV special tool for quickly replacing a disconnecting link spring.
Background
At present, the problems of low maintenance efficiency, poor quality, difficult installation and the like exist when a spring is replaced by a quick grounding disconnecting link of a 10kV high-voltage cabinet in a transformer substation. With the increasing of the operation years and the operation times of the high-voltage switch cabinet and the increasing of the demand of the power utilization side for high-quality power utilization service, the high-voltage switch cabinet in operation is required to be periodically overhauled and maintained according to the relevant regulations of the existing primary equipment maintenance and repair; simultaneously, appear rustting in the face of quick ground connection switch spring, the ageing fracture of base, the dual pressure that equipment such as spring fatigue fracture disappeared, so need replace quick ground connection switch spring, the process is loaded down with trivial details when traditional operation method demolishs and the repacking spring, the operation method reliability is low, the activity duration is longer, indirect user's that influences power off time, and the high-voltage board inner space is narrow and small, only can hold single operation, increase the operation degree of difficulty, it presss from both sides the wound to cause personnel easily, work efficiency is low, the security is not enough, consequently, need a portable 10kV quick ground switch spring to change specialized tool.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide a portable 10KV tool special for quickly replacing a knife switch spring, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a portable 10KV rapid knife switch spring replacement special tool comprises a trolley guide groove, wherein an upper pressing plate is fixedly connected to the top of the trolley guide groove, a screw rod is arranged in the upper pressing plate, the top of the screw rod penetrates through the upper pressing plate and is located above the upper pressing plate, a hexagonal head is fixedly connected to the top of the screw rod, an operating rod is connected to the hexagonal head, a bearing pressing plate is arranged at the top of the upper pressing plate, the middle of the bearing pressing plate is movably connected with the screw rod through a screw rod bearing, the bearing pressing plate is fixedly connected with the upper pressing plate through an inner hexagonal screw, a trolley is arranged on the outer surface of the screw rod, a threaded sleeve is fixedly connected to the inside of the trolley, the threaded sleeve is in threaded connection with the screw rod, a lower pressing plate is fixedly connected to one side of the trolley, which is far away from the trolley guide groove, and a, and a quick switch spring is arranged between the upper pressure plate and the lower pressure plate, and a pin bush is arranged between the quick switch spring and the lower pressure plate.
Furthermore, the bearing assembly comprises a first connecting rod, a second connecting rod, a first bearing and a second bearing, wherein the first connecting rod is fixedly connected to one side, close to the guide groove of the trolley, the two ends of the first connecting rod are connected with the inner wall of the first bearing, the second connecting rod is fixedly connected to the middle of the first connecting rod, the second connecting rod is connected with the inner wall of the second bearing, and the first bearing and the second bearing are matched with the guide groove of the trolley.
Furthermore, an opening is formed in one side, away from the trolley guide groove, of the upper pressing plate.
Furthermore, an arc-shaped groove is formed in the lower pressing plate.
Furthermore, a round hole matched with the screw rod is formed in the position, close to the screw rod, of the upper pressure plate.
Compared with the prior art, the invention has the following beneficial effects:
(1) the tool is simple in structure, convenient to carry, flexible to assemble, high in operation efficiency, high in popularization value, simple and practical to operate, and capable of reducing operation time and power failure time, and the difficulty of operation and equipment maintenance pressure are reduced.
(2) The bearing assembly not only can play a limiting role on the trolley, so that the trolley only moves up and down without rotation, but also can reduce the friction resistance to the guide groove of the trolley in the moving process of the trolley through the sliding of the bearing.
(3) The opening can make things convenient for quick switch spring's top to get into the top board, and the arc wall can make holding down plate and cotter way phase-match, and the round hole can make the screw rod pass the top board.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a portable 10KV rapid tool special for replacing a knife switch spring according to an embodiment of the invention;
FIG. 2 is a top view of a portable 10KV quick blade spring replacement specific tool according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connection structure of the quick switch spring with the upper and lower pressing plates in the portable 10KV quick switch spring replacing special tool according to the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a portable 10KV quick disconnecting link spring replacing special tool after an operating rod is rotated according to an embodiment of the invention;
fig. 5 is a schematic view of an installation structure of a quick disconnecting link spring and a high-voltage cabinet in a portable 10KV quick disconnecting link spring replacing special tool according to an embodiment of the invention.
Reference numerals:
1. a trolley guide groove; 2. an upper pressure plate; 3. a screw; 4. a hexagonal head; 5. an operating lever; 6. a bearing pressure plate; 7. a screw bearing; 8. a hexagon socket head cap screw; 9. a trolley; 10. a threaded sleeve; 11. a lower pressing plate; 12. a quick disconnecting link spring; 13. a pin bush; 14. a first connecting rod; 15. a second connecting rod; 16. a first bearing; 17. a second bearing; 18. an opening; 19. an arc-shaped slot; 20. high-voltage board.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1-5, the tool special for rapidly replacing a disconnecting link spring by using a portable 10KV according to the embodiment of the present invention includes a trolley guide groove 1, the inside of the trolley guide groove 1 is in a "delta" shape, the top of the trolley guide groove 1 is fixedly connected with an upper pressure plate 2, it should be noted that the upper pressure plate 2 and the trolley guide groove 1 are fixed by welding, a screw rod 3 is disposed in the upper pressure plate 2, the top of the screw rod 3 penetrates through the upper pressure plate 2 and is located above the upper pressure plate 2, a circular hole matched with the screw rod 3 is formed at a position of the upper pressure plate 2 close to the screw rod 3, and the screw rod 3 can penetrate through the upper pressure plate 2 by the circular hole;
the top of the screw rod 3 is fixedly connected with a hexagonal head 4, the hexagonal head 4 is connected with an operating rod 5, the top of the upper pressing plate 2 is provided with a bearing pressing plate 6, the middle part of the bearing pressing plate 6 is movably connected with the screw rod 3 through a screw rod bearing 7, the bearing pressing plate 6 is fixedly connected with the upper pressing plate 2 through an inner hexagonal screw 8, and the upper pressing plate 2 is provided with a screw hole matched with the inner hexagonal screw 8;
a trolley 9 is arranged on the outer surface of the screw rod 3, a threaded sleeve 10 is fixedly connected inside the trolley 9, the threaded sleeve 10 is in threaded connection with the screw rod 3, a lower pressing plate 11 is fixedly connected to one side, far away from the trolley guide groove 1, of the trolley 9, and a bearing assembly is connected to one side, close to the trolley guide groove 1, of the trolley 9;
for bearing assemblies, the bearing assemblies comprise a first connecting rod 14, a second connecting rod 15, a first bearing 16 and a second bearing 17, the first connecting rod 14 is fixedly connected to one side, close to the trolley guide groove 1, of the trolley 9, two ends of the first connecting rod 14 are connected with the inner wall of the first bearing 16, the second connecting rod 15 is fixedly connected to the middle of the first connecting rod 14, the second connecting rod 15 is connected with the inner wall of the second bearing 17, and the first bearing 16 and the second bearing 17 are matched with the trolley guide groove 1;
the utility model discloses a quick knife switch spring of trolley guide way 1, including upper plate 2, lower plate 11, quick knife switch spring 12 with be equipped with round pin bushing 13 between the lower plate 11, upper plate 2 keeps away from one side of trolley guide way 1 is opened there is opening 18, and opening 18 can make things convenient for quick knife switch spring 12's top to get into upper plate 2, it has arc 19 to open on lower plate 11, and arc 19 is located the top of lower plate 11, and arc 19 can make lower plate 11 and round pin bushing 13 phase-match.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the quick disconnecting link spring 12 is firstly placed between the upper pressing plate 2 and the lower pressing plate 11, the top spring seat of the quick disconnecting link spring 12 is positioned on the opening 18 of the upper pressing plate 2, then the pin sleeve 13 is placed between the bottom spring seat of the quick disconnecting link spring 12 and the lower pressing plate 11, the arc-shaped groove 19 of the lower pressing plate 11 can be matched with the pin sleeve 13, then the hexagonal head 4 is rotated by rotating the operating rod 5, so that the screw rod 3 is rotated, the threaded sleeve 10 in the trolley 9 is moved upwards due to the rotation of the screw rod 3, the trolley 9 is only moved and does not rotate under the limit of the bearing assembly, after the quick disconnecting link spring 12 is compressed to a proper size, the quick disconnecting link spring 12 is placed at the installation position on the high-voltage cabinet 20 through a tool, the plug pins are inserted at the upper end and the lower end of the quick disconnecting link spring 12, the plug pins are sleeved by clamp springs, then the operating rod 5 is, the special tool is loosened, the tool is combined with a rotary screw rod through a lever principle, so that the rotation amount of the screw rod is converted into the compression amount of the spring, the operation space can be reduced to the maximum extent, the spring can be compressed only by screwing the operating rod 5 with one hand, and the difficulty in assembling and disassembling the spring is reduced; through the design of the trolley guide groove with the structure in the shape of a Chinese character 'pin' and the design of a bearing assembly matched with the trolley guide groove, the spring compression deviation is prevented, meanwhile, the friction resistance generated by stress in the process of compressing the spring can be reduced, the operation personnel can operate by one hand, and the safe, reliable, efficient and quick dismounting effect is achieved.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The portable 10KV rapid knife switch spring replacement special tool is characterized by comprising a trolley guide groove (1), wherein the top of the trolley guide groove (1) is fixedly connected with an upper pressing plate (2), a screw rod (3) is arranged in the upper pressing plate (2), the top of the screw rod (3) penetrates through the upper pressing plate (2) and is positioned above the upper pressing plate (2), the top of the screw rod (3) is fixedly connected with a hexagonal head (4), the hexagonal head (4) is connected with an operating rod (5), the top of the upper pressing plate (2) is provided with a bearing pressing plate (6), the middle of the bearing pressing plate (6) is movably connected with the screw rod (3) through a screw bearing (7), the bearing pressing plate (6) is fixedly connected with the upper pressing plate (2) through an inner hexagonal screw (8), and the outer surface of the screw rod (3) is provided with a trolley (9), the inside fixedly connected with thread bush (10) of dolly (9), thread bush (10) with screw rod (3) threaded connection, keep away from dolly (9) one side fixedly connected with holding down plate (11) of dolly guide way (1), dolly (9) are close to one side of dolly guide way (1) is connected with the bearing assembly, top board (2) with be equipped with fast switch spring (12) between holding down plate (11), fast switch spring (12) with be equipped with cotter (13) between holding down plate (11).
2. The portable 10KV rapid disconnecting link spring replacement special tool according to claim 1, wherein the bearing assembly comprises a first connecting rod (14), a second connecting rod (15), a first bearing (16) and a second bearing (17), the first connecting rod (14) is fixedly connected to one side, close to the trolley guide groove (1), of the trolley (9), two ends of the first connecting rod (14) are connected with the inner wall of the first bearing (16), the second connecting rod (15) is fixedly connected to the middle of the first connecting rod (14), the second connecting rod (15) is connected with the inner wall of the second bearing (17), and the first bearing (16) and the second bearing (17) are matched with the trolley guide groove (1).
3. The tool special for replacing the spring of the portable 10KV quick disconnecting link according to claim 1, wherein an opening (18) is formed in one side, away from the trolley guide groove (1), of the upper pressing plate (2).
4. The portable 10KV tool special for quickly replacing the knife switch spring as claimed in claim 1, wherein the lower pressing plate (11) is provided with an arc-shaped groove (19).
5. The portable 10KV tool special for quickly replacing the switch spring as claimed in claim 1, wherein a round hole matched with the screw rod (3) is formed in the position, close to the screw rod (3), of the upper pressing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911421442.2A CN110977878A (en) | 2019-12-31 | 2019-12-31 | Portable 10KV rapid knife switch spring replacement special tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911421442.2A CN110977878A (en) | 2019-12-31 | 2019-12-31 | Portable 10KV rapid knife switch spring replacement special tool |
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| Publication Number | Publication Date |
|---|---|
| CN110977878A true CN110977878A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911421442.2A Pending CN110977878A (en) | 2019-12-31 | 2019-12-31 | Portable 10KV rapid knife switch spring replacement special tool |
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| CN (1) | CN110977878A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659044A (en) * | 2020-12-16 | 2021-04-16 | 西部宝德科技股份有限公司 | Pneumatic assembly device for inner support spring of reducer pipe |
| CN113635268A (en) * | 2020-11-17 | 2021-11-12 | 国网山东省电力公司东明县供电公司 | A installation repair tools for switch |
| CN115256308A (en) * | 2022-08-02 | 2022-11-01 | 广西电网有限责任公司北海供电局 | Electrified cooperation is demolishd and is kept apart switch device |
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| CN101847832A (en) * | 2009-03-24 | 2010-09-29 | 上海市电力公司宝山供电分公司 | Fitment tool of disconnecting link quick mechanism and fitment method thereof |
| CN205565024U (en) * | 2016-03-07 | 2016-09-07 | 靳科杰 | Electric installation earthing device easy to repair |
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| CN207415288U (en) * | 2017-09-15 | 2018-05-29 | 芜湖海格力斯起重机械制造有限公司 | A kind of spring compression assembling fixture |
| CN208034591U (en) * | 2018-04-13 | 2018-11-02 | 大连中智精工科技有限责任公司 | A kind of stop valve main spring press-fitting tool |
| CN211388611U (en) * | 2019-12-31 | 2020-09-01 | 广东电网有限责任公司 | Portable 10KV rapid knife switch spring replacement special tool |
-
2019
- 2019-12-31 CN CN201911421442.2A patent/CN110977878A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6434807B1 (en) * | 2000-08-02 | 2002-08-20 | Paul Begin | Apparatus for removing and replacing coil springs and fasteners |
| CN101847832A (en) * | 2009-03-24 | 2010-09-29 | 上海市电力公司宝山供电分公司 | Fitment tool of disconnecting link quick mechanism and fitment method thereof |
| CN205565024U (en) * | 2016-03-07 | 2016-09-07 | 靳科杰 | Electric installation earthing device easy to repair |
| CN206237022U (en) * | 2016-11-15 | 2017-06-09 | 广东电网有限责任公司江门供电局 | Grounding switch spring changes instrument |
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| CN211388611U (en) * | 2019-12-31 | 2020-09-01 | 广东电网有限责任公司 | Portable 10KV rapid knife switch spring replacement special tool |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635268A (en) * | 2020-11-17 | 2021-11-12 | 国网山东省电力公司东明县供电公司 | A installation repair tools for switch |
| CN112659044A (en) * | 2020-12-16 | 2021-04-16 | 西部宝德科技股份有限公司 | Pneumatic assembly device for inner support spring of reducer pipe |
| CN112659044B (en) * | 2020-12-16 | 2022-06-14 | 西部宝德科技股份有限公司 | Pneumatic assembly device for inner support spring of reducer pipe |
| CN115256308A (en) * | 2022-08-02 | 2022-11-01 | 广西电网有限责任公司北海供电局 | Electrified cooperation is demolishd and is kept apart switch device |
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