CN211729038U - Breaker closing spring dismounting tool with triangular frame mechanism - Google Patents
Breaker closing spring dismounting tool with triangular frame mechanism Download PDFInfo
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- CN211729038U CN211729038U CN202020128849.8U CN202020128849U CN211729038U CN 211729038 U CN211729038 U CN 211729038U CN 202020128849 U CN202020128849 U CN 202020128849U CN 211729038 U CN211729038 U CN 211729038U
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- support column
- closing spring
- tripod
- screw rod
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Abstract
The utility model discloses a take breaker combined floodgate spring assembly and disassembly tools of tripod mechanism, it includes the tripod, the support column, draw the lift screw rod, rotatory handle, the cross arm, the haulage rope, the hasp, the support column is the cavity and takes the internal screw thread cylinder, the tripod is fixed in the support column bottom, draw the lift screw rod to set up in the support column and with support column screw-thread fit, draw the lift screw rod upper end and be provided with rotatory handle, the cross arm is fixed on drawing the lift screw rod bottom, during the use, pass the preformed hole at breaker combined floodgate spring top with haulage rope one end, and be connected with the haulage rope other end through the hasp, the annular haulage rope lower extreme is connected with the preformed hole at combined floodgate spring top promptly, the upper end is connected; 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 utility model belongs to the technical field of electrical equipment, concretely relates to take circuit breaker combined floodgate spring assembly and disassembly tools of tripod mechanism.
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 are in the cubical switchboard, the cabinet inner space is narrow and small, often lead to energy storage spring's the change operation degree of difficulty straight-line rising, and to the interchange high pressure vacuum circuit breaker who is equipped with the spring of inside and outside double-deck type, the mill is equipped with the equipment of special workstation, do not prepare specialized tool after dispatching from the factory, make in the circuit breaker cabinet because it is extremely difficult not to have special change tool dismouting spring, can't change combined floodgate energy storage spring, finally can only handle the tired soft defect of circuit breaker spring with the method of changing the circuit breaker, a large amount of manpower and.
The circuit breaker spring fatigue leads to the circuit breaker contact to move slowly, causes contact switching-on tremble, and the puncture time in advance is overlength, makes the electric arc burning time overlength, causes the circuit breaker internal pressure to increase, causes the equipment potential safety hazard. Therefore, the switching-on spring of the vacuum circuit breaker with the double-layer spring assembled in the operation period of more than 10 years needs to be replaced by using the power failure opportunity, so that the occurrence of safety accidents is avoided.
Disclosure of Invention
The utility model aims at overcoming the not enough of current traditional assembly and disassembly tools, can't carry out the problem of dismantling to the spring of inside and outside double-deck type, and provide a take circuit breaker combined floodgate spring assembly and disassembly tools of tripod mechanism.
The purpose of the utility model is realized through the following technical scheme:
this take breaker combined floodgate spring assembly and disassembly tools of tripod mechanism includes the tripod, the support column, draw and rise the screw rod, rotatory handle, the cross arm, the haulage rope, the hasp, the support column is the cavity internal screw thread cylinder of taking, the tripod is fixed in the support column bottom, draw and rise the screw rod setting in the support column and with support column screw-thread fit, it is provided with rotatory handle to draw and rise the screw rod upper end, the cross arm is fixed on drawing and rise the screw rod bottom, during the use, pass the preformed hole at breaker combined floodgate spring top with haulage rope one end, and be connected with the haulage rope other end through the hasp, annular haulage rope lower extreme is connected with the preformed hole at combined floodgate spring top promptly, the upper end.
The haulage rope is the galvanized steel cable.
The lifting screw is a stainless steel screw.
The support column is a cylinder.
The hasp includes draw-in groove and buckle, and the buckle setting cooperatees with the draw-in groove in the draw-in groove, and haulage rope one end is connected with the draw-in groove, is connected with the buckle on the other end, through the closed haulage rope of hasp.
The lock catch can also be in a buckling structure.
The utility model discloses during the device uses, be connected with the preformed hole on the combined floodgate spring of haulage rope and circuit breaker incasement earlier, then set up the support column on the circuit breaker case and lie in the preformed hole top at circuit breaker roof portion through the tripod, the haulage rope is connected simultaneously on the cross arm, through rotatory pull-up screw rod of rotatory handle, pull-up screw rod promotes the in-process, the pivot no longer atress or appear stopping to promote when becoming flexible, get rid of the pivot, the change of closing spring carries out, change the back and fix the pivot, reverse rotation handle, pull-up screw rod removes downwards, untie the hasp, pull down the haulage rope and change promptly and finish.
The device of the utility model can realize the quick replacement of the switch-on energy storage spring which is softened in the breaker mechanism through the mutual matching of the traction rope and the pulling 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 inventive labor;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the utility model in use;
fig. 3 is a schematic structural view of a reserved hole portion at the top of the lock catch and the closing spring of the present invention;
in the figure: 1-a circuit breaker; 2-a closing spring; 3-preparing a hole; 4-a tripod; 5-a support column; 6-pulling up the screw; 7-rotating the handle; 8-cross arm; 9-preparing holes; 10-a hauling rope; 11-locking.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples, without limiting the scope of the invention to the details.
Example 1: as shown in fig. 1 and 2, the dismounting tool for the closing spring of the circuit breaker with the tripod mechanism comprises a tripod 4, a support column 5, a pulling screw 6, a rotating handle 7, a cross arm 8, a traction rope 10 and a lock catch 11, wherein the tripod 4 is fixed at the bottom of the support column 5, a through hole with internal threads is formed in the center of the support column 5 in a penetrating manner, the support column 5 is a cylinder, the pulling screw 6 made of stainless steel penetrates through the through hole of the support column 5 and is arranged in the support column 5, the pulling screw 6 is in threaded fit with the through hole with the internal threads and moves up and down along the through hole, the rotating handle 7 is arranged at the upper end of the pulling screw 6, the rotating handle 7 is in a straight shape, the cross arm 8 is fixed at the bottom end of the pulling screw 6, the lock catch 11 comprises a clamping groove and a buckle, the buckle is arranged in the clamping groove and matched with the clamping groove, one end of the traction rope is connected with the clamping groove, when in, the other end of the traction rope 10 connected with the clamping groove is connected and closed, the upper end of the annular traction rope is connected to the cross arm 8, the lower end of the annular traction rope is connected with the preformed hole 3 in the top of the closing spring 2, and the traction rope 10 is a galvanized steel rope; the draw-in groove is hollow cylindrical draw-in groove, and the buckle is the cylinder cubic, and the draw-in groove cooperatees with the buckle, realizes the disconnection or the closure at haulage rope 10 both ends.
Example 2: the structure of the device of this embodiment is the same as that of embodiment 1, except that the lock 11 is a buckle structure, and the support pillar 5 is a cube.
As shown in fig. 3, 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 10 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 10 penetrates out of a circuit breaker box preformed hole 9 of an energy storage mechanism box of the circuit breaker 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: one end of a traction rope 10 is connected and closed with the other end of the traction rope through a lock catch 11, a support column 5 is placed above a circuit breaker box preformed hole 9 of an energy storage mechanism box of a circuit breaker 1 through a tripod 4, and the traction rope 10 is hung on a cross arm 8 shaped like a Chinese character 'yi';
the fifth step: slowly and clockwise rotating the linear rotating handle 7 by hand, paying attention to the lifting condition of the closing spring in the lifting process of the pulling 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 linear rotating handle 7 anticlockwise by hand, pulling up the screw 6 to move downwards, unlocking the lock catch 11, 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 above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a take breaker closing spring assembly and disassembly tools of tripod mechanism which characterized in that: including tripod (4), support column (5), draw and rise screw rod (6), rotatory handle (7), cross arm (8), haulage rope (10), hasp (11), support column (5) are the cavity internal screw thread cylinder of taking, tripod (4) are fixed in support column (5) bottom, draw and rise screw rod (6) and set up in support column (5) and with support column (5) screw-thread fit, it is provided with rotatory handle (7) to draw and rise screw rod (6) upper end, cross arm (8) are fixed on drawing and rise screw rod (6) bottom, during the use, pass preformed hole (3) at circuit breaker closing spring (2) top with haulage rope (10) one end, and be connected with haulage rope (10) other end through hasp (11), the annular haulage rope lower extreme is connected with preformed hole (3) at closing spring (2) top promptly, the upper end is connected on cross arm (8).
2. The breaker closing spring assembly and disassembly tool with tripod mechanism of claim 1, wherein: the traction rope (10) is a galvanized steel rope.
3. The breaker closing spring assembly and disassembly tool with tripod mechanism of claim 1, wherein: the lifting screw (6) is a stainless steel screw.
4. The breaker closing spring assembly and disassembly tool with tripod mechanism of claim 1, wherein: the supporting column (5) is a cylinder.
5. The breaker closing spring assembly and disassembly tool with tripod mechanism of claim 1, wherein: the lock catch (11) comprises a clamping groove and a buckle, the buckle is arranged in the clamping groove and matched with the clamping groove, one end of the traction rope is connected with the clamping groove, the other end of the traction rope is connected with the buckle, and the traction rope is closed through the lock catch.
6. The breaker closing spring assembly and disassembly tool with tripod mechanism of claim 1, wherein: the lock catch (11) is of a plug-in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128849.8U CN211729038U (en) | 2020-01-20 | 2020-01-20 | Breaker closing spring dismounting tool with triangular frame mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020128849.8U CN211729038U (en) | 2020-01-20 | 2020-01-20 | Breaker closing spring dismounting tool with triangular frame mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211729038U true CN211729038U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020128849.8U Active CN211729038U (en) | 2020-01-20 | 2020-01-20 | Breaker closing spring dismounting tool with triangular frame mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360763A (en) * | 2020-01-20 | 2020-07-03 | 云南电网有限责任公司楚雄供电局 | Breaker closing spring dismounting tool with triangular frame mechanism |
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2020
- 2020-01-20 CN CN202020128849.8U patent/CN211729038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360763A (en) * | 2020-01-20 | 2020-07-03 | 云南电网有限责任公司楚雄供电局 | Breaker closing spring dismounting tool with triangular frame mechanism |
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