CN111055240A - Triangle frame type circuit breaker closing spring dismouting device - Google Patents
Triangle frame type circuit breaker closing spring dismouting device Download PDFInfo
- Publication number
- CN111055240A CN111055240A CN202010064486.0A CN202010064486A CN111055240A CN 111055240 A CN111055240 A CN 111055240A CN 202010064486 A CN202010064486 A CN 202010064486A CN 111055240 A CN111055240 A CN 111055240A
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- China
- Prior art keywords
- circuit breaker
- screw rod
- closing spring
- guide post
- mounting
- Prior art date
- 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.)
- Pending
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- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000036319 strand breaking 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
- B25B27/14—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
The invention discloses a triangle frame type breaker closing spring dismounting device, which comprises a tripod, a guide post, a screw rod, a handle, nuts, a fixing part and a traction rope, wherein the guide post is a hollow cylinder, 2 nuts are respectively fixed at two ends of the guide post, the tripod is fixed on the nuts at the lower end of the guide post, the screw rod is arranged in the guide post and the nuts in a penetrating manner, the screw rod is in threaded fit with the 2 nuts, the handle is arranged at the upper end of the screw rod, the fixing part is fixed at the bottom end of the screw rod, two ends of the traction rope are arranged in the fixing part, and when the triangle frame type breaker closing spring dismounting device is used, the traction rope penetrates through a preformed hole at the top of; this device simple structure, easy operation has solved the problem that current traditional assembly and disassembly tools can't dismantle the spring of inside and outside double-deck type, has saved manpower and materials, avoids the emergence of incident.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a triangular frame type breaker closing spring dismounting device.
Background
An ac high-voltage vacuum circuit breaker plays an important role as an important device for breaking a circuit in a power system. Most circuit breakers used in a factory station at present adopt spring mechanisms, but the spring mechanisms have the defect that the springs are easy to fatigue after being used for a long time, so that the closing characteristic of the circuit breakers cannot meet the technical requirements, and closing energy storage springs need to be replaced. 35kV spring mechanism circuit breaker is because its compact structure, and most of them in the cubical switchboard, the cabinet inner space is narrow and small, often leads to energy storage spring's the change operation degree of difficulty straight-line rising to the exchange high pressure vacuum circuit breaker who is equipped with the spring of inside and outside double-deck type, the mill is equipped with the special workstation equipment, does not prepare specialized tool after dispatching from the factory, makes because it is extremely difficult not to have special change tool dismouting spring in the circuit breaker cabinet, can't change combined floodgate energy storage spring.
Because the circuit breaker mechanism that is equipped with double-deck spring at present is mostly the integral type structure with the body, and because there is not special multiplexer utensil during dismouting double-deck spring, lead to the mode that can only the direct change circuit breaker of power failure of the careless adoption when handling the tired soft defect of double-deck spring. The work of replacing the circuit breaker wastes time and labor, the power failure time is spent, the time for replacing the circuit breaker, secondary wiring, testing and debugging is averagely 2-3 days, great load loss is caused, and the power supply reliability is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a device for disassembling and assembling a closing spring of a tripod type circuit breaker.
The purpose of the invention is realized by the following technical scheme:
this triangle frame type circuit breaker combined floodgate spring dismouting device includes the tripod, the guide post, the screw rod, a handle, the nut, the mounting, the haulage rope, the guide post is the cavity cylinder, 2 the both ends at the guide post are fixed respectively to individual nut, the tripod is fixed on the nut of guide post lower extreme, the screw rod runs through the setting in guide post and nut, screw rod and 2 nut screw-thread fit, the screw rod upper end is provided with the handle, the mounting is fixed on the screw rod bottom, the both ends setting of haulage rope is in the mounting, during the use, pass the preformed hole at circuit breaker combined floodgate spring top with the haulage rope and be connected with it.
The haulage rope is the galvanized steel cable.
The screw is a stainless steel screw.
The guide post is a cylinder.
The fixing piece comprises a fixing block and a fastening bolt, the fixing block is fixed at the bottom end of the screw rod, two ends of the traction rope are arranged in threaded holes of the fixing block, and the traction rope is fixed in the fixing block through the fastening bolt.
The handle is a rotating disc.
When the device is used, the traction rope is firstly connected with a preformed hole on a closing spring in a breaker box, then the guide post is arranged on the breaker box and positioned above the preformed hole of the breaker box through the tripod, two ends of the traction rope are fixed in the fixing piece, the screw rod is driven to rotate through the handle, in the lifting process of the screw rod, the lifting is stopped when the shaft pin is not stressed any more or becomes loose, the shaft pin is removed, the closing spring is replaced, the shaft pin is fixed after the replacement, the handle is rotated reversely, the screw rod moves downwards, the fixing piece is loosened, and the traction rope is dismounted and is replaced.
The device can realize the quick replacement of the switch-on energy storage spring which is fatigued and soft in the circuit breaker mechanism through the mutual matching of the traction rope and the screw rod; this device simple structure, easy operation has solved the problem that current traditional assembly and disassembly tools can't dismantle the spring of inside and outside double-deck type, has saved manpower and materials, avoids the emergence of incident.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a use state of the present invention;
FIG. 3 is a schematic structural view of a reserved hole portion at the top of the locking and closing spring according to the present invention;
in the figure: 1-a circuit breaker box; 2-a closing spring; 3-preparing a hole; 4-a tripod; 5-a guide post; 6-screw rod; 7-a handle; 8-a nut; 9-a circuit breaker box preformed hole; 10-a fixing member; 11-a hauling rope; 12-fixing blocks; 13-fastening bolts.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples, without limiting the scope of the invention.
Example 1: as shown in fig. 1 and 3, the device for dismounting and mounting a closing spring of a tripod-type circuit breaker comprises a tripod 4, a guide column 5, a screw 6, a handle 7, nuts 8, a fixing member 10 and a hauling rope 11, wherein the guide column 5 is a hollow cylinder, 2 nuts 8 are respectively welded and fixed at two ends of the guide column 5, the tripod 4 is welded and fixed on the nut at the lower end of the guide column 5, the screw 6 made of stainless steel is arranged in the guide column 5 and the nuts 8 in a penetrating manner, the screw 6 is in threaded fit with the 2 nuts, the disc-shaped handle 7 is arranged at the upper end of the screw 6, the fixing member 10 comprises a fixing block 12 and a fastening bolt 13, the fixing block 12 is fixed at the bottom end of the screw 6, the hauling rope 11 is a galvanized steel rope, two ends of the hauling rope 11 are arranged in threaded holes; when the pull rope type circuit breaker is used, the pull rope 11 penetrates through the preformed hole 3 in the top of the circuit breaker closing spring 2 and is connected with the circuit breaker closing spring.
Example 2: the structure of the device of this embodiment is the same as that of embodiment 1, except that the guide post 5 is cubic.
As shown in fig. 2, the method steps of the device used in the field are as follows:
the first step is as follows: before replacement, the closing spring 2 of the circuit breaker mechanism needs to be adjusted to a non-energy-storage state of opening, and the closing spring 2 of the circuit breaker releases energy;
the second step is that: one end of a traction rope 11 is inserted into a preformed hole 3 at the top of a closing spring 2 of the circuit breaker;
the third step: then one end of a traction rope 11 penetrates out of a circuit breaker box preformed hole 9 in the top of the circuit breaker box 1, the condition of the traction rope is checked in time before the traction rope penetrates out, and if serious strand scattering and strand breaking conditions are found, an intact galvanized steel rope is replaced in time;
the fourth step: the guide post 5 is placed on the circuit breaker box 1 through the tripod 4 and is positioned above the preformed hole 9 of the circuit breaker box, two ends of the traction rope 11 are inserted into the threaded holes on the fixed block 12, and two ends of the traction rope are fixed in the fixed block through the fastening bolts 13 and cannot be loosened;
the fifth step: slowly and clockwise rotating the disc handle 7 by hand, paying attention to the lifting condition of the closing spring in the lifting process of the screw 6, stopping the lifting process in time when the upper shaft pin is not stressed any more or becomes loose, and trying to push out the shaft pin; in the process, the lifting height needs to be continuously adjusted, and the excessive tension of the closing spring is recorded to cause the traction rope to be stressed and broken, so that workers are accidentally injured;
and a sixth step: and (3) replacing the old closing spring, installing a new closing spring, fixing a shaft pin, slowly rotating the disc handle 7 anticlockwise by a hand, moving the screw rod 6 downwards, loosening the fastening bolt 13, and detaching the traction rope 10 to finish the replacement.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a triangle frame type circuit breaker closing spring dismouting device which characterized in that: including tripod (4), guide post (5), screw rod (6), handle (7), nut (8), mounting (10), haulage rope (11), guide post (5) are the cavity cylinder, 2 both ends at guide post (5) are fixed respectively in nut (8), tripod (4) are fixed on the nut of guide post (5) lower extreme, screw rod (6) run through the setting in guide post (5) and nut (8), screw rod (6) and 2 nut screw-thread fit, screw rod (6) upper end is provided with handle (7), mounting (10) are fixed on screw rod (6) bottom, the both ends of haulage rope (11) set up in mounting (10), during the use, pass preformed hole (3) at circuit breaker closing spring (2) top with haulage rope (11) and be connected with it.
2. The device for dismounting and mounting a closing spring of a triangle type circuit breaker according to claim 1, wherein: the traction rope (11) is a galvanized steel rope.
3. The device for dismounting and mounting a closing spring of a triangle type circuit breaker according to claim 1, wherein: the screw (6) is a stainless steel screw.
4. The device for dismounting and mounting a closing spring of a triangle type circuit breaker according to claim 1, wherein: the guide post (5) is a cylinder.
5. The device for dismounting and mounting a closing spring of a triangle type circuit breaker according to claim 1, wherein: the fixing piece (10) comprises a fixing block (12) and a fastening bolt (13), the fixing block (12) is fixed at the bottom end of the screw rod (6), two ends of the traction rope (11) are arranged in threaded holes of the fixing block (12), and the traction rope is fixed in the fixing block through the fastening bolt (13).
6. The device for dismounting and mounting a closing spring of a triangle type circuit breaker according to claim 1, wherein: the handle is a rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064486.0A CN111055240A (en) | 2020-01-20 | 2020-01-20 | Triangle frame type circuit breaker closing spring dismouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064486.0A CN111055240A (en) | 2020-01-20 | 2020-01-20 | Triangle frame type circuit breaker closing spring dismouting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111055240A true CN111055240A (en) | 2020-04-24 |
Family
ID=70307667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010064486.0A Pending CN111055240A (en) | 2020-01-20 | 2020-01-20 | Triangle frame type circuit breaker closing spring dismouting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111055240A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110072707A1 (en) * | 2008-06-04 | 2011-03-31 | Graydon Aubrey Shepherd | Hook removal tool |
| CN104021996A (en) * | 2014-06-19 | 2014-09-03 | 国网上海市电力公司 | Replacement device for switching-closing spring of circuit breaker |
| CN104097183A (en) * | 2014-06-25 | 2014-10-15 | 国家电网公司 | Device for assembling and disassembling spring of circuit breaker |
| CN204885952U (en) * | 2015-08-26 | 2015-12-16 | 厦门宏发电气有限公司 | Assembly and disassembly tools of energy -stored spring |
| CN205201408U (en) * | 2015-11-28 | 2016-05-04 | 合肥凯华环保科技有限公司 | Formula of book milipore filter, reverse osmosis membrane extracting tool |
| CN106992474A (en) * | 2017-04-20 | 2017-07-28 | 国网辽宁省电力有限公司抚顺供电公司 | 10kV ends dismount aid |
| CN211709205U (en) * | 2020-01-20 | 2020-10-20 | 云南电网有限责任公司楚雄供电局 | Triangle frame type circuit breaker closing spring dismouting device |
-
2020
- 2020-01-20 CN CN202010064486.0A patent/CN111055240A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110072707A1 (en) * | 2008-06-04 | 2011-03-31 | Graydon Aubrey Shepherd | Hook removal tool |
| CN104021996A (en) * | 2014-06-19 | 2014-09-03 | 国网上海市电力公司 | Replacement device for switching-closing spring of circuit breaker |
| CN104097183A (en) * | 2014-06-25 | 2014-10-15 | 国家电网公司 | Device for assembling and disassembling spring of circuit breaker |
| CN204885952U (en) * | 2015-08-26 | 2015-12-16 | 厦门宏发电气有限公司 | Assembly and disassembly tools of energy -stored spring |
| CN205201408U (en) * | 2015-11-28 | 2016-05-04 | 合肥凯华环保科技有限公司 | Formula of book milipore filter, reverse osmosis membrane extracting tool |
| CN106992474A (en) * | 2017-04-20 | 2017-07-28 | 国网辽宁省电力有限公司抚顺供电公司 | 10kV ends dismount aid |
| CN211709205U (en) * | 2020-01-20 | 2020-10-20 | 云南电网有限责任公司楚雄供电局 | Triangle frame type circuit breaker closing spring dismouting device |
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