CN218867785U - A take load switch action bars for breaking and meet no-load cable - Google Patents
A take load switch action bars for breaking and meet no-load cable Download PDFInfo
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- CN218867785U CN218867785U CN202221663904.9U CN202221663904U CN218867785U CN 218867785 U CN218867785 U CN 218867785U CN 202221663904 U CN202221663904 U CN 202221663904U CN 218867785 U CN218867785 U CN 218867785U
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Abstract
The utility model provides a loaded switch operating lever for disconnecting a no-load cable, belonging to the technical field of loaded switch operating levers for disconnecting no-load cables; the technical problem to be solved is as follows: the improvement of the structure of the operating rod of the loaded switch for disconnecting the unloaded cable is provided; the technical scheme for solving the technical problems is as follows: the wire clamp comprises a joint, wherein the joint is detachably connected to an insulating rod, an arc extinguisher switch is fixed to the insulating rod at the tail end of the joint, and a first wire clamping hook is detachably connected to the tail end of the arc extinguisher switch on the insulating rod; the first wire clamping hook is connected to the arc extinguisher switch through a first lead wire; the first wire clamping hook is connected to the high-voltage side of the arc extinguisher switch through a first lead wire; the low-voltage side of the arc extinguisher switch is connected with the joint and is connected to the second wire clamping hook through a second lead wire on the outer side of the joint; the utility model discloses be applied to load switch.
Description
Technical Field
The utility model provides a load switch action bars for disconnected no-load cable belongs to load switch action bars technical field.
Background
With the improvement of urbanization and the living standard of people, the requirement on the power supply reliability is higher and higher, and the distribution line live-wire work technology in the power grid is widely applied and widely popularized. With the acceleration of the urbanization progress, the distribution network uses a large amount of high-voltage cable lines, and the disconnection and leading operation of the no-load long high-voltage cable lines and the overhead lines is greatly increased. Because the capacitance of the long cable line is relatively large and is capacitive load, when the no-load long cable line is disconnected, the lead wire operation of the high-voltage cable line needs to be disconnected in a live-line mode in a bypass operation mode, namely, the load switch equipment needs to be used for firstly performing the capacitive no-load current on-off operation and then performing the lead wire connection or disconnection operation of the high-voltage cable line.
The current operation of the power grid on the project is to use a single-phase load switch and an insulating drainage wire produced abroad, erect a bypass in advance by using a bypass method, and realize the access or disconnection operation of a no-load long cable line lead by disconnecting capacitive no-load current by using a switch. However, such work needs to be done by using an insulating glove method, and the work time and labor intensity of the worker are long, which increases the safety risk.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exist among the prior art, the technical problem that solve is: an improvement in a structure of an operating lever of a load switch for disconnecting an unloaded cable is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: a load switch operating lever for disconnecting a no-load cable comprises a connector, wherein the connector is detachably connected to an insulating rod, an arc extinguisher switch is fixed to the insulating rod at the tail end of the connector, and a first wire clamping hook is detachably connected to the insulating rod at the tail end of the arc extinguisher switch;
the first wire clamping hook is connected to the arc extinguisher switch through a first lead;
the first wire clamping hook is connected to the high-voltage side of the arc extinguisher switch through a first lead wire;
the low-voltage side of the arc extinguisher switch is connected to the joint and is connected to the second wire-clamping hook through a second lead wire outside the joint.
The first wire clamping hook and the second wire clamping hook are both in threaded connection with an adjusting screw rod, one end of the adjusting screw rod is provided with a movable sliding block, the movable sliding block is arranged on one side close to the bent hook part of the wire clamping hook, and the movable sliding block is in sliding connection with the inner convex part of the wire clamping hook;
the other end of the adjusting screw rod of the first wire clamping hook is connected with the tail end of the insulating screwing rod;
and an adjusting block is fixed at the other end of the adjusting screw rod of the second wire clamping hook.
And a fastening component is arranged in the mounting groove of the movable sliding block.
The fastening assembly comprises a fixing block, the fixing block is installed on the inner bottom wall of the installation groove, a baffle is arranged in the installation groove, two ends of the fixing block are respectively hinged with a swing rod, the baffle is movably connected with a connecting rod assembly, one end of the connecting rod assembly is hinged between a pair of swing rods, an anti-skidding piece is installed at the other end of the connecting rod assembly, and the anti-skidding piece is located on the outer side of the movable sliding block.
The connecting rod assembly comprises an ejector rod and a pair of connecting rods, the ejector rod is movably arranged on the baffle, the pair of connecting rods are hinged to the ejector rod, and the pair of connecting rods are respectively hinged to the inner side walls of the corresponding swing rods.
The connecting rod assembly further comprises a pair of first compression springs, and the first compression springs are located between the corresponding swing rods and the corresponding inner side walls in the mounting grooves.
The connecting rod assembly further comprises a second compression spring, and the second compression spring is located between the ejector rod and the fixing block.
The switching-on and switching-off connector is rotatably connected to the connector, a connecting sheet is arranged in the arc extinguisher switch, a disconnecting link is further fixed on the insulating rod, and the disconnecting link is connected with the first wire clamping hook after being connected in series with the connecting sheet of the arc extinguisher switch through a conducting wire.
The arc extinguisher switch is characterized in that an insulator is further arranged inside the arc extinguisher switch, a protective cover is arranged on the outer side of the insulator, and an arc extinguishing chamber is formed in the protective cover.
The utility model discloses beneficial effect for prior art possesses does: the utility model provides a take load switch action bars for breaking off and meet unloaded cable connects the high pressure side cable and the low pressure side cable of arc extinguisher switch respectively through two string wire hooks, makes first card line hook, second card line hook can connect on the wire reliably through fastening components, ensures operation personnel safety work.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention without a knife switch;
fig. 2 is a schematic structural view of a second wire clamping hook of the present invention;
FIG. 3 is a schematic view of a portion of the enlarged structure at B in FIG. 2;
FIG. 4 is a schematic view of the structure with a knife switch of the present invention;
in the figure: 1 is an insulating rod, 2 is a joint, 3 is an arc extinguisher switch, 4 is a first lead wire, 5 is a first wire clamping hook, 6 is a second lead wire, 7 is a second wire clamping hook, 8 is a fastening component, 9 is a knife switch, 11 is an insulating screw rod, 21 is a joint, 31 is an insulator, 32 is a connecting sheet, 33 is a protective cover, 51 is a connecting part, 71 is an adjusting screw rod, 71 is a movable sliding block, 721 is a mounting groove, 722 is a baffle, 73 is a bent hook part, 74 is an inner convex part, 81 is an anti-slip sheet, 82 is a push rod, 83 is a connecting rod, 84 is a swing rod, 85 is a first compression spring, 86 is a second compression spring and 87 is a fixed block.
Detailed Description
As shown in fig. 1 to 4, a load switch operating lever for disconnecting an unloaded cable as shown in fig. 1 and 2 includes an insulating screw 11, an insulating lever 1, a joint 2, an arc extinguisher switch 3, a first wire trap 5 and a second wire trap 7, the insulating lever 1 is detachably connected to the joint 2, and the joint 2 is located at the front end of the insulating lever 1; the insulating rod 1 is detachably connected with an insulating screwing rod 11, and the insulating screwing rod 11 can be lengthened to facilitate the use of an operator.
The arc extinguisher switch 3 is installed on the joint 2, specifically, an insulator 31 of the arc extinguisher switch 3 is installed at the right end of the joint 2, a protective cover 33 is sleeved outside the insulator 31, an arc extinguishing chamber is formed in the protective cover 33, and the left end of the protective cover 33 is connected to the right end of the joint 2; the first wire clamping hook 5 is detachably connected to the tail end of the insulator 31, a connecting part 51 of the first wire clamping hook 5 is connected with a first lead 4, and the other end of the first lead 4 is connected to a connecting piece 32 of the insulator 31; the second wire clamping hook 7 is connected with the joint 2 through a second lead 6; simultaneously the utility model discloses a guarantee disconnected visuality, also can concatenate a switch 9 between first card line hook 5 and arc extinguisher switch 3, divide-shut arc extinguisher switch 3 through switch 9.
The first wire clamping hook 5 and the second wire clamping hook 7 of the utility model have the same structure in the wire clamping part, and both comprise an adjusting screw rod 71 which is in threaded connection with the straight line part of the wire hanging hook, and a gap is left between the bending hook part 73 of the wire clamping hook and the movable slide block 72 of the adjusting screw rod 71; wherein, the mounting groove 721 of the movable sliding block 72 is provided with a fastening component 8, and the movable sliding block 72 is connected with the inner convex part 74 of the wire clamping hook in a sliding way. The movable sliding block 72 of the first wire clamping hook 5 is connected with the end part of the inner layer of the insulating rod 1 through an adjusting screw rod 71, and the movable sliding block 72 of the second wire clamping hook 7 is connected with a fixing block which is positioned outside the wire clamping hook and fixed at the outer end of the adjusting screw rod 71.
As shown in fig. 3, the fastening assembly 8 includes a fixing block 87, a pair of swing rods 84, a link assembly and an anti-slip sheet 81, the fixing block 87 is fixedly connected to the inner bottom wall of the mounting groove 721, the pair of swing rods 84 are respectively hinged to both ends of the fixing block 87, one end of the link assembly is hinged between the pair of swing rods 84, the anti-slip sheet 81 is fixedly connected to the other end of the link assembly, and the anti-slip sheet 81 is located outside the right end arc surface of the movable slider 72.
Preferably, the connecting rod assembly comprises a top rod 82 and a pair of connecting rods 83, the top rod 82 is movably arranged on the baffle 722, the left end of the top rod 82 extends into the installation groove 721, the right end of the top rod 82 extends out of the right end of the movable sliding block 72, the pair of connecting rods 83 are both hinged on the top rod 82, and the pair of connecting rods 83 are respectively hinged on the inner side walls of the corresponding swing rods 84.
Preferably, the pair of swing rods 84 are both provided with a first compression spring 85, and both ends of the first compression spring 85 respectively press between the swing rods 84 and the inner side wall of the mounting groove 721.
Preferably, a second compression spring 86 is disposed on the top rod 82, and two ends of the second compression spring 86 respectively press between the top rod 82 and the fixing block 87.
Preferably, the joint 21 is rotatably connected to the joint 2. The movable slider 72 of the first wire trap 5 is also provided with a fastening assembly 8.
The fastening unit 8 enables the first wire-locking hook 5 and the second wire-locking hook 7 to be reliably connected to the wire, thereby ensuring safe operation of the operator.
When the 10kV high-voltage load switch with the operation pull ring is used, a 10kV high-voltage load switch with the operation pull ring is fixedly installed on one side of an outer-layer insulating rod 1, namely the arc extinguisher switch 3, the high-voltage side of the arc extinguisher switch 3 is connected to a first wire clamping hook 5 through a high-voltage cable as shown in figure 1, or the high-voltage side of the arc extinguisher switch 3 is connected to the first wire clamping hook 5 through a knife switch 9 as shown in figure 4, and as a movable sliding block 72 of the first wire clamping hook 5 is connected with the top of the tail end of an insulating rod screwing rod 11, an adjusting screw rod 71 of the movable sliding block 72 of the first wire clamping hook 5 is driven to rotate through rotating the insulating rod screwing 11, the movable sliding block 72 of the first wire clamping hook 5 can be operated to move up and down, the effect of locking or loosening the first wire clamping hook 5 is achieved, and the operation of fastening the first wire clamping hook 5 on a high-voltage conductor is carried out; further, the low voltage side of the arc extinguisher switch 3 is connected to the second wire-clamping hook 7 through a high voltage cable, and the adjustment screw 71 that rotates the second wire-clamping hook 7 pushes the movable slider 72 for connection to the line.
The utility model is used for no-load cable run lead wire connects the operation of tower as follows:
1. before use, the appearance of the equipment is checked to be good, and the insulation of the insulating rod is checked to be good;
2. checking that the arc extinguisher switch 3 and the knife switch 9 are well combined and separated and are both in a separated position;
3. after the cable reaches the working position, the second wire clamping hook 7 is installed on the cable to be connected by using a single operating rod;
4. the second lead wire 6 is properly placed, then the switch operating lever is lifted, and the first wire clamping hook 5 is lifted and hung on a main lead wire to be connected;
5. screwing the central insulating screwing rod 11 until the first wire clamping hook 5 is tightly locked on the main guide wire;
6. checking that all parts are connected well and the peripheral distance meets the requirement of live working;
7. closing the small knife switch 9 by using a separate insulating pull rod;
8. closing the arc extinguisher switch 3 using a separate insulating pull rod;
9. detecting the current of the second lead 6, and performing 'no-load cable line lead lapping operation' after the current is qualified;
10. after the lapping operation of the leads of the no-load cable line is finished;
11. firstly, separating the arc extinguisher switch 3 by using a single insulating pull rod;
12. then, a small knife switch 9 is separated by using a single insulating pull rod;
13. screwing the central insulating screwing rod 11 until the first wire clamping hook 5 can be taken down from the main lead, and paying attention to the fact that the second lead 6 is still electrified;
14. then, the second wire clamping hook 7 is taken down from the cable lead by using a single operating rod, and the second wire clamping hook 7 is electrified when the second wire clamping hook is taken off;
15. after the tool equipment is completely removed, the lapping operation of the lead of the no-load cable line is finished.
The utility model is used for no-load cable line lead wire disconnection operation's operation description as follows:
1. before use, the appearance of the equipment is checked to be good, and the insulation rod is checked to be good in insulation;
2. checking that the arc extinguisher switch 3 and the disconnecting link 9 are well opened and closed and are both in the separated position;
3. after the cable reaches the working position, the second wire clamping hook 7 is installed on the cable to be connected by using a single operating rod, and all switch equipment is electrified;
4. the second lead wire 6 is properly placed, then the switch operating lever is lifted, and the first wire clamping hook 5 is lifted and hung on the main lead wire to be disconnected;
5. screwing an insulating screwing rod 11 in the center until the first wire clamping hook 5 is fastened and locked on the main guide wire;
6. the connection of each part is checked again, and the surrounding distance meets the requirement of live working;
7. closing the small knife switch 9 by using a separate insulating pull rod;
8. closing the arc extinguisher switch 3 using a separate insulating pull rod;
9. detecting the current of the second lead 6, and performing 'no-load cable line lead disconnection operation' after the current is qualified;
10. after the no-load cable line lead wire disconnection operation is completed;
11. firstly, separating the arc extinguisher switch 3 by using a single insulating pull rod;
12. then the small knife switch 9 is separated by using a single insulating pull rod;
13. screwing the central insulating screwing rod 11 until the first wire clamping hook 5 can be taken down from the main guide wire;
14. the second wire clamping hook 7 is taken down from the cable lead by using a separate operating rod;
15. and after the tool equipment is completely removed, the disconnection operation of the no-load cable line lead is completed.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.
Claims (10)
1. A load switch operating lever for disconnecting a no-load cable, characterized in that: the device comprises a joint, wherein the joint is detachably connected to an insulating rod, an arc extinguisher switch is fixed at the tail end of the joint on the insulating rod, and a first wire clamping hook is detachably connected at the tail end of the arc extinguisher switch on the insulating rod;
the first wire trap is connected to a high-voltage side of the arc extinguisher switch through a first lead wire;
the low-voltage side of the arc extinguisher switch is connected to the joint and is connected to the second wire-clamping hook through a second lead wire outside the joint.
2. A load switch operating lever for disconnecting an unloaded cable according to claim 1, wherein: the inside still detachable of insulator spindle is connected with insulating wrong pole.
3. A load switch operating lever for disconnecting an unloaded cable according to claim 2, wherein: the first wire clamping hook and the second wire clamping hook are both in threaded connection with an adjusting screw rod, one end of the adjusting screw rod is provided with a movable sliding block, the movable sliding block is arranged on one side of the bent hook part close to the wire clamping hook, and the movable sliding block is in sliding connection with the inner convex part of the wire clamping hook;
the other end of the adjusting screw rod of the first wire clamping hook is connected with the tail end of the insulating screwing rod;
and an adjusting block is fixed at the other end of the adjusting screw rod of the second wire clamping hook.
4. A load switch operating lever for disconnecting an unloaded cable according to claim 3, wherein: and a fastening component is arranged in the mounting groove of the movable sliding block.
5. A load switch operating lever for disconnecting an unloaded cable according to claim 4, wherein: the fastening assembly comprises a fixing block, the fixing block is installed on the inner bottom wall of the installation groove, a baffle is arranged in the installation groove, two ends of the fixing block are respectively hinged with a swing rod, the baffle is movably connected with a connecting rod assembly, one end of the connecting rod assembly is hinged between a pair of swing rods, an anti-skidding piece is installed at the other end of the connecting rod assembly, and the anti-skidding piece is located on the outer side of the movable sliding block.
6. A load switch operating lever for disconnecting an unloaded cable according to claim 5, wherein: the connecting rod assembly comprises an ejector rod and a pair of connecting rods, the ejector rod is movably arranged on the baffle, the pair of connecting rods are hinged to the ejector rod, and the pair of connecting rods are respectively hinged to the inner side walls of the corresponding swing rods.
7. A load switch operating lever for disconnecting an unloaded cable according to claim 5, wherein: the connecting rod assembly further comprises a pair of first compression springs, and the first compression springs are located between the corresponding swing rods and the corresponding inner side walls in the mounting grooves.
8. A load switch operating lever for disconnecting an unloaded cable according to claim 5, wherein: the connecting rod assembly further comprises a second compression spring, and the second compression spring is located between the ejector rod and the fixing block.
9. A load switch operating lever for disconnecting an unloaded cable according to claim 1, wherein: the arc extinguisher switch is characterized in that a switching-on and switching-off ring is rotatably connected to the joint, a connecting sheet is arranged in the arc extinguisher switch, a disconnecting link is further fixed on the insulating rod, and the disconnecting link is connected with the first wire clamping hook after being connected in series with the connecting sheet of the arc extinguisher switch through a conducting wire.
10. A load switch operating lever for disconnecting an unloaded cable according to claim 1, wherein: the arc extinguisher switch is characterized in that an insulator is further arranged inside the arc extinguisher switch, a protective cover is arranged on the outer side of the insulator, and an arc extinguishing chamber is formed in the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221663904.9U CN218867785U (en) | 2022-06-30 | 2022-06-30 | A take load switch action bars for breaking and meet no-load cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221663904.9U CN218867785U (en) | 2022-06-30 | 2022-06-30 | A take load switch action bars for breaking and meet no-load cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218867785U true CN218867785U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221663904.9U Active CN218867785U (en) | 2022-06-30 | 2022-06-30 | A take load switch action bars for breaking and meet no-load cable |
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| Country | Link |
|---|---|
| CN (1) | CN218867785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117613759A (en) * | 2023-11-29 | 2024-02-27 | 国网江苏省电力有限公司连云港供电分公司 | Novel drainage device for live working |
-
2022
- 2022-06-30 CN CN202221663904.9U patent/CN218867785U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117613759A (en) * | 2023-11-29 | 2024-02-27 | 国网江苏省电力有限公司连云港供电分公司 | Novel drainage device for live working |
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