CN212516951U - Operating device for switching on and off operation of low-voltage switch cabinet - Google Patents
Operating device for switching on and off operation of low-voltage switch cabinet Download PDFInfo
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- CN212516951U CN212516951U CN202021264659.5U CN202021264659U CN212516951U CN 212516951 U CN212516951 U CN 212516951U CN 202021264659 U CN202021264659 U CN 202021264659U CN 212516951 U CN212516951 U CN 212516951U
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Abstract
The utility model belongs to the technical field of power equipment operation, concretely relates to an operating means for low-voltage switchgear divide-shut brake operation, include: the operation rod, the fixing nail and the operation base are arranged on the operation rod; the operation base is composed of a fixed side plate, a fixed front plate, a fixed lower plate, a fixed hole and a fixed top plate, and the fixed lower plate is fixedly connected with the fixed top plate through the fixed front plate; the periphery of the fixed top plate is also connected with a fixed side plate, and the fixed holes are formed in the upper surface of the fixed top plate; the operating rod is fixed with a fixing nail; the operating rod is inserted into a fixing hole on the upper surface of the fixed top plate through a fixing nail.
Description
Technical Field
The utility model belongs to the technical field of power equipment operation, concretely relates to operating means for low-voltage switchgear divide-shut brake operation.
Background
The low-voltage switch cabinet is an important component of a power supply system of a certain nuclear power station, and most of the low-voltage switch cabinets in the No. 1, 2, 3 and 4 units of the nuclear power station adopt MNS type switch cabinets. Because of the difference in load size, the capacity and volume of the low-voltage switch cabinet are also different, and therefore, the size of the circuit breaker in the switch cabinet is also different. Due to the consideration of reasonable distribution and operation safety, the large-capacity low-voltage switch cabinet is arranged at the bottom layer of the whole row of switch cabinets, the switch cabinets can not be switched on and off due to the fact that the operation handles are prevented from being in contact with the ground, and the large-capacity switch cabinet is provided with the shorter operation handles. When operating personnel operate a high-capacity low-voltage switch cabinet, due to the influences of factors such as large torque required by a switching-on/off circuit breaker, small operating handle, uncomfortable operating posture and the like, the switching-on/off circuit breaker cannot be operated in place at one time, the circuit breaker cannot be switched on or off accurately, potential safety hazards and equipment operation risks exist, and the consequences of circuit breaker burnout, bus power loss and the like are caused in serious cases. Meanwhile, due to the fact that the switching-on and switching-off operation of the low-voltage switch cabinet is difficult, the operation personnel can consume longer time and human resources, the operation burden of the operation personnel is increased, and if equipment is damaged, the maintenance cost is increased.
Therefore, an operating device for switching on and off of the low-voltage switch cabinet needs to be designed, so that the switching on and off of the low-voltage switch cabinet can be accurately operated in place, the operation burden of operators is reduced, the operation time is saved, and the reliability of equipment is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing an operating means for low-voltage switchgear divide-shut brake operation for effectively solve the present low-voltage switchgear divide-shut brake operating means of operating personnel and can not once only target in place circuit breaker divide-shut brake switch operation, lead to the circuit breaker can not divide-shut brake accurately, easily cause technical problem such as circuit breaker burnout, generating line to lose electricity.
The technical scheme of the utility model:
an operating device for switching on and off operations of a low-voltage switch cabinet, comprising: the operation rod, the fixing nail and the operation base are arranged on the operation rod; the operation base is composed of a fixed side plate, a fixed front plate, a fixed lower plate, a fixed hole and a fixed top plate, and the fixed lower plate is fixedly connected with the fixed top plate through the fixed front plate; the periphery of the fixed top plate is also connected with a fixed side plate, and the fixed holes are formed in the upper surface of the fixed top plate; the operating rod is fixed with a fixing nail; the operating rod is inserted into a fixing hole on the upper surface of the fixed top plate through a fixing nail.
The fixed front plate is integrally of a fan-shaped structure, the fixed front plate fixed between the fixed lower plate and the fixed top plate is fixedly connected with the fixed side plate in an inclined angle mode, and the fixed front plate is connected with the fixed side plate.
The whole fixing nail is of a hexagonal prism structure.
The fixing hole is a hexagonal blind hole; the inner diameter angle of the fixing hole is matched with the outer diameter angle of the fixing nail.
The inner diameter of the fixing hole is matched with the outer diameter of the fixing nail.
The fixed hole internal angle operating angle range comprises: 60 degrees, 120 degrees, 180 degrees, 240 degrees and 300 degrees.
The utility model has the advantages that:
the utility model provides a pair of an operating means and operating method for low-voltage switchgear divide-shut brake operation can reduce required moment when the operation personnel operate the low-voltage switchgear, ensures that the operation personnel is in a comfortable posture when carrying out the cubical switchboard operation, practices thrift operating time, improves operating efficiency, reduces operation personnel's operation burden, reduces cost of maintenance, increases nuclear power station low pressure power supply system's reliability.
The utility model discloses still have following technical advantage:
(1) the utility model relates to an operating device for the switching-on and switching-off operation of a low-voltage switch cabinet, which can realize the accurate switching-on and switching-off operation of operators on the low-voltage switch cabinet; by the principle of prolonging the force arm, the switching-on operation can be completed by an operator with smaller force;
(2) the utility model relates to an operating device for low-voltage switchgear divide-shut brake operation, through the design of hexagonal socket head cap staple and fixed orifices, can realize that the operating personnel operates the switch cabinet handle from 5 different angles, satisfy the different operation demands that cause because of the height difference;
(3) the utility model relates to an operating device for the switching-on and switching-off operation of a low-voltage switch cabinet, which can save the time for operating the switch cabinet by operators and improve the working efficiency; the probability of switching-on and switching-off failure caused by difficult operation can be reduced; the maintenance cost caused by equipment damage caused by improper operation can be reduced;
(4) the operating device for switching on and off operation of the low-voltage switch cabinet, which is designed by the utility model, has simple structure and low design and manufacturing cost; the whole device can be disassembled into two parts, so that the device is convenient to carry;
(5) the utility model discloses operating means's operating method is simple, easy operation, and application range is extensive, can be used to the MNS type cubical switchboard of other power stations.
Drawings
Fig. 1 is a schematic view of the overall structure of an operating device for opening and closing operation of a low-voltage switch cabinet according to the present invention;
fig. 2 is a schematic structural view of an operation base of the operating device for opening and closing operation of the low-voltage switch cabinet according to the present invention;
fig. 3 is a schematic structural view of an operating rod of an operating device for opening and closing operation of a low-voltage switch cabinet.
FIG. 4 is a plan view of an operation base of an operation device for switching on/off operation of a low-voltage switch cabinet
Wherein:
Detailed Description
The invention will be further described with reference to the following drawings and examples:
an operating device for switching on and off operations of a low-voltage switch cabinet, comprising: the device comprises an operating rod 1, a fixing nail 2 and an operating base; the operation base is composed of a fixed side plate 4, a fixed front plate 5, a fixed lower plate 6, a fixed hole 3 and a fixed top plate 7, and the fixed lower plate 6 and the fixed top plate 7 are fixedly connected through the fixed front plate 5; the periphery of the fixed top plate 7 is also connected with a fixed side plate 4, and the fixed hole 3 is formed in the upper surface of the fixed top plate 7; a fixing nail 2 is fixed on the operating rod 1; the operating rod 1 is inserted into a fixing hole 3 on the upper surface of a fixing top plate 7 through a fixing nail 2.
The whole fixed front plate 5 is of a fan-shaped structure, the fixed front plate 5 fixed between the fixed lower plate 6 and the fixed top plate 7 is fixedly connected with an inclined angle, and the fixed front plate 5 is connected with the fixed side plate 4.
The fixing nail 2 is of a pentagonal prism structure as a whole.
The fixing hole 3 is a pentagonal blind hole; the inner diameter angle of the fixing hole 3 is matched with the outer diameter angle of the fixing nail 2.
The inner diameter of the fixing hole 3 is matched with the outer diameter of the fixing nail 2.
The internal angle operation angle range of the fixing hole 3 comprises: 60 degrees, 120 degrees, 180 degrees, 240 degrees and 300 degrees.
The operation method of the operating device for the opening and closing operations of the low-voltage switch cabinet comprises the following steps
The method comprises the following steps: sleeving an operation base on a handle of a low-voltage switch cabinet to be operated;
step two: inserting the fixing nail 2 into the fixing hole 3, and performing operation adjustment on the operating rod 1 at five angles of 60 degrees, 120 degrees, 180 degrees, 240 degrees and 300 degrees according to different requirements of operators;
step three: an operator tightly holds two ends of the operating rod 1, clockwise rotation is performed by force, torque is transmitted to a switch cabinet handle through the operating base fixing side plate 4 until a switch reaches a switch-on position, and switch-on operation is completed;
step four: when the switching-off operation of the low-voltage switch cabinet is carried out, the operating base is sleeved on a handle of the switch cabinet to be operated;
step five: inserting the fixing nail 2 into the fixing hole 3, wherein the angle of the operating rod 1 can be adjusted by five angles of 60 degrees, 120 degrees, 180 degrees, 240 degrees and 300 degrees according to different requirements of operators;
step six: an operator holds the two ends of the operating rod 1 and forcibly rotates anticlockwise, and torque is transmitted to the switch cabinet handle through the fixed side plate 4 until the switch reaches the opening position, so that opening operation is completed.
Through the principle of the extension arm of force and the unique design of the fixing device, an operator can easily, accurately and conveniently complete the switching-on and switching-off operation of the low-voltage switch cabinet, the operation time of the operator is saved, the work efficiency is improved, the operation burden of the operator is reduced, the maintenance cost is reduced, and the reliability of the low-voltage power supply system of the nuclear power station is improved.
The present invention has been described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.
Claims (6)
1. An operating device for switching on and off operation of a low-voltage switch cabinet is characterized by comprising: the device comprises an operating rod (1), a fixing nail (2) and an operating base; the operation base is composed of a fixed side plate (4), a fixed front plate (5), a fixed lower plate (6), a fixed hole (3) and a fixed top plate (7), and the fixed lower plate (6) is fixedly connected with the fixed top plate (7) through the fixed front plate (5); the periphery of the fixed top plate (7) is also connected with a fixed side plate (4), and the fixed hole (3) is formed in the upper surface of the fixed top plate (7); a fixing nail (2) is fixed on the operating rod (1); the operating rod (1) is inserted into the fixing hole (3) on the upper surface of the fixed top plate (7) through the fixing nail (2).
2. The operating device for the opening and closing operations of the low-voltage switch cabinet according to claim 1, characterized in that: the fixed front plate (5) is integrally of a fan-shaped structure, the fixed front plate (5) fixed between the fixed lower plate (6) and the fixed top plate (7) is fixedly connected with a fixed inclined angle, and the fixed front plate (5) is connected with the fixed side plate (4).
3. The operating device for the opening and closing operations of the low-voltage switch cabinet as claimed in claim 2, wherein: the fixing nail (2) is of a hexagonal prism structure as a whole.
4. The operating device for the opening and closing operations of the low-voltage switch cabinet according to claim 3, characterized in that: the fixing hole (3) is a hexagonal blind hole; the inner diameter angle of the fixing hole (3) is matched with the outer diameter angle of the fixing nail (2).
5. The operating device for the opening and closing operations of the low-voltage switch cabinet according to claim 4, wherein: the inner diameter of the fixing hole (3) is matched with the outer diameter of the fixing nail (2).
6. The operating device for the opening and closing operations of the low-voltage switch cabinet according to claim 5, wherein: the inner angle operation angle range of the fixing hole (3) comprises: 60 degrees, 120 degrees, 180 degrees, 240 degrees and 300 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264659.5U CN212516951U (en) | 2020-07-01 | 2020-07-01 | Operating device for switching on and off operation of low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264659.5U CN212516951U (en) | 2020-07-01 | 2020-07-01 | Operating device for switching on and off operation of low-voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN212516951U true CN212516951U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021264659.5U Active CN212516951U (en) | 2020-07-01 | 2020-07-01 | Operating device for switching on and off operation of low-voltage switch cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816466A (en) * | 2020-07-01 | 2020-10-23 | 江苏核电有限公司 | Operating device for switching-on and switching-off operation of low-voltage switch cabinet and operating method thereof |
-
2020
- 2020-07-01 CN CN202021264659.5U patent/CN212516951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816466A (en) * | 2020-07-01 | 2020-10-23 | 江苏核电有限公司 | Operating device for switching-on and switching-off operation of low-voltage switch cabinet and operating method thereof |
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