CN217278468U - Main transformer high-altitude telescopic short-circuit wire device - Google Patents

Abstract

The utility model discloses a main flexible short circuit cable conductor in high altitude that becomes, including device casing, flexible take-up device, action bars, first buckle fastener and second buckle fastener. Wherein, flexible take-up device sets up in the device casing and the coiling has the wire, and the one end of wire is worn out the device casing and is linked to each other with first buckle fastener, and second buckle fastener sets up in the surface of device casing, and the tip of action bars is connected with device casing and first buckle fastener buckle respectively. The first buckle wire clamp and the second buckle wire clamp are electrically connected. The utility model discloses the flexible take-up device that second buckle fastener and link to each other with first buckle fastener has been integrated on the device casing for the wire that first buckle fastener is connected can freely stretch out and draw back arbitrary length, and through the action bars respectively the controlling means casing remove with the first buckle fastener of pulling remove, through single one-hand control action bars, save the time that the wire was accomodate in order, need not to rise the supplementary wiring of lift truck, promote the convenience that main height transformer high altitude was worked a telephone switchboard.

Description

Main transformer high-altitude telescopic short-circuit wire device

Technical Field

The utility model relates to a power electronic technology field, in particular to main flexible short circuit device in high altitude that becomes.

Background

During a high-voltage test of a 220kV transformer, workers often need to short-circuit A phase, B phase, C phase and a neutral point bushing on the 220kV side of the transformer. Due to the fact that the 220kV side bushing pipes for the A phase, the B phase and the C phase are high, workers cannot directly connect the wires at the top of the transformer. For this reason, the prior art mainly has the following 2 methods:

first, the auxiliary wiring is used by the lift truck. The lift car lifts the work platform to the bushing terminal block. A worker stands on the lifting vehicle operation platform and sequentially shorts three bushings of the phase A, the phase B and the phase C by using a shorting line or a bare copper wire, and leads out a line from the bushing of the phase A to be delivered to the worker at the top of the transformer for shorting the bushing of the neutral point.

And secondly, wiring is carried out by using high-altitude wiring pliers. The approximate distance between the sleeves is estimated, short-circuit wires with corresponding lengths are prepared, four high-altitude wiring clamps are prepared to respectively correspond to four sleeves of an A phase, a B phase, a C phase and a neutral point, and the four high-altitude wiring clamps are connected in series by the prepared short-circuit wires and are connected to four sleeve wiring boards.

However, the method of using the auxiliary wiring of the lift truck needs the lift truck and related operators, which increases the cost of manpower and material resources and affects the working efficiency. The aerial work platform is easy to damage the sleeve when moving between the sleeves, and potential safety hazards exist; the method of using high-altitude wiring clamp to carry out wiring needs to prepare wires with corresponding lengths and 4 operating rods of the wiring clamp, and the operation is long in time and inconvenient to carry. Moreover, when the wiring clamp is used for hanging the bushing wiring board, the wiring is inconvenient due to the influence of the shape and the angle of the wiring board. After the wiring is finished, the operating rod cannot be detached. Therefore, the operation mode of the main transformer high-altitude wiring in the prior art is complicated and inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the main transformer high-altitude telescopic short-circuit wire device is provided, the wiring operation is simplified, and the convenience of main transformer high-altitude wiring is improved.

In order to solve the above problem, the utility model discloses a scheme be:

the main transformer high-altitude telescopic short-circuit wire device comprises a device shell, a telescopic winding device, an operating rod, a first buckle wire clamp and a second buckle wire clamp;

the telescopic winding device is arranged in the device shell and is wound with a lead, one end of the lead penetrates out of the device shell to be connected with the first buckle wire clamp, the second buckle wire clamp is arranged on the outer surface of the device shell, and the end part of the operating rod is respectively connected with the device shell and the first buckle wire clamp in a buckling manner;

the first buckle wire clamp and the second buckle wire clamp are electrically connected.

Further, the telescopic winding device comprises a wire spool, a clockwork spring, a mounting seat and a rotating shaft;

the rotating shaft is rotatably arranged on the mounting seat, the clockwork spring is sleeved on the rotating shaft, the clockwork spring is fixedly connected with the wire spool and used for driving the wire spool to rotate, and the conducting wire is wound on the wire spool.

Further, the end of the operating rod comprises a first boss perpendicular to the operating rod;

be equipped with the size on the device casing with the trompil of the cross section size looks adaptation of the tip of action bars, the trompil intercommunication be used for in the device casing supplying first bellying pivoted space of stepping down.

Further, the first protruding portion is a metal protruding portion.

Further, the end of the operating rod is connected with the first buckle wire clamp in a magnetic attraction mode.

Furthermore, a second boss is arranged on the end part of the operating rod;

the first buckle wire clamp is provided with a slot with the size matched with that of the second bulge;

the second protruding part is magnetically attracted and connected with the bottom of the slot.

Furthermore, the number of the telescopic winding devices and the number of the first buckle wire clamps are both multiple and in one-to-one correspondence.

Further, the system also comprises an extension short-circuit wire;

be equipped with the banana jack on the first buckle fastener, the one end of extension stub with banana jack fixed connection.

The beneficial effects of the utility model reside in that: the utility model provides a flexible short circuit termination in main transformer high altitude, the flexible take-up device that second buckle fastener and link to each other with first buckle fastener has integrateed on the device casing, make the wire that first buckle fastener is connected can freely stretch out and draw back arbitrary length, and through the action bars respectively the first buckle fastener removal of controlling means casing removal and pulling, portable, through single one-hand control action bars, save the time that the wire was accomodate in order, need not to rise the car auxiliary wiring, promote the convenience that main transformer high altitude was worked a telephone switchboard.

Drawings

Fig. 1 is a front view of a main transformer high-altitude telescopic short-circuit line device according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a device housing of a main transformer high-altitude telescopic short-circuit line device according to an embodiment of the present invention;

fig. 3 is the utility model discloses main transformer high altitude flexible short circuit device's flexible take-up device's specific structure schematic diagram.

Description of the reference symbols:

1. a device housing; 2. a telescopic winding device; 3. an operating lever; 4. a first buckle wire clamp; 5. a second buckle wire clamp; 6. a wire; 7. a wire spool; 8. a clockwork spring; 9. a mounting seat; 10. a rotating shaft; 11. a first boss portion; 12. opening a hole; 13. a second boss portion; 14. a slot; 15. expanding the short connecting wire; 16. and (6) inserting banana holes.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 3, the main transformer high-altitude telescopic short-circuit line device comprises a device shell 1, a telescopic winding device 2, an operating rod 3, a first buckle wire clamp 4 and a second buckle wire clamp 5;

the telescopic winding device 2 is arranged in the device shell 1 and is wound with a lead 6, one end of the lead 6 penetrates out of the device shell 1 and is connected with the first buckle wire clamp 4, the second buckle wire clamp 5 is arranged on the outer surface of the device shell 1, and the end part of the operating rod 3 is respectively connected with the device shell 1 and the first buckle wire clamp 4 in a buckle mode;

the first snap clamp 4 and the second snap clamp 5 are electrically connected.

From the above description, the beneficial effects of the utility model reside in that: the utility model provides a main flexible short termination in high altitude that becomes, the flexible take-up device 2 that second buckle fastener 5 and link to each other with first buckle fastener 4 has integrateed on device casing 1, make wire 6 that first buckle fastener 4 is connected can freely stretch out and draw back arbitrary length, and through action bars 3 respectively 1 removal of controlling means casing and the first buckle fastener 4 removal of pulling, and is convenient for carry, through single one-hand control action bars 3, save the time that 6 arrangement of wire were accomodate, need not to rise the supplementary wiring of rising car, promote the convenience that main high altitude wiring becomes. Further, the telescopic winding device 2 comprises a wire spool 7, a clockwork spring 8, a mounting seat 9 and a rotating shaft 10;

the rotating shaft 10 is rotatably arranged on the mounting seat 9, the spring 8 is sleeved on the rotating shaft 10, the spring 8 is fixedly connected with the wire spool 7 and used for driving the wire spool 7 to rotate, and the wire 6 is wound on the wire spool 7.

As can be seen from the above description, when the first buckle clamp 4 is controlled to be clamped on the three-phase sleeve wiring board, the wire 6 is stretched, the wire spool 7 rotates, and the clockwork spring 8 is in a force accumulation state; and when first buckle fastener 4 throw off the joint, under clockwork spring 8's elasticity effect that resets, wire reel 7 antiport for the direction is automatic to be rolled up. The telescopic winding device 2 is realized by manually unwinding and automatically winding, the trouble of storage and management of the wires 6 is avoided, and the use is convenient.

Further, the end of the operating rod 3 comprises a first boss 11 perpendicular to the operating rod 3;

be equipped with the size on the device casing 1 with the trompil 12 of the cross section size looks adaptation of the tip of action bars 3, trompil 12 intercommunication be used for in the device casing 1 supplying first bellying 11 pivoted space of stepping down.

From the above description, rotate action bars 3 and make the bellying card in the space of stepping down, and then realize that action bars 3 is connected with the buckle of device casing 1, when needs are extracted, also only need rotate action bars 3 for the bellying just in time through trompil 12 can, its connection convenient operation, labour saving and time saving.

Further, the first protruding portion 11 is a metal protruding portion.

As can be seen from the above description, the metal boss has sufficient hardness to ensure stable connection between the operation lever 3 and the device case 1, so that the operator can smoothly perform the wire connecting work.

Further, the end of the operating rod 3 is magnetically connected with the first buckle clamp 4.

According to the above description, the operation rod 3 and the first buckle wire clamp 4 are connected in a magnetic attraction mode, so that the worker can increase force to separate the operation rod from the first buckle wire clamp and the first buckle wire clamp, and the wiring operation is convenient and smooth.

Further, a second boss 13 is arranged on the end of the operating rod 3;

the first buckle wire clamp 4 is provided with a slot 14 the size of which is matched with that of the second bulge 13;

the second protruding portion 13 is magnetically connected with the bottom of the slot 14.

From the above description, the design of second bellying 13 and slot 14 is convenient for the former position of accurately attracting magnetism of looking for of operation personnel to can promote the stability of magnetism and inhale the connection, prevent that the junction of action bars 3 and first buckle fastener 4 from taking place the condition of rocking about.

Further, the number of the telescopic winding device 2 and the number of the first buckle clamps 4 are both multiple and in one-to-one correspondence.

From the above description, the quantity of flexible take-up device 2 and first buckle fastener 4 is a plurality ofly to in the wiring operation is carried out according to the wiring demand of reality, use more nimble.

Further, an extension shorting line 15 is also included;

be equipped with banana jack 16 on the first buckle fastener 4, the one end of extension stub 15 with banana jack 16 fixed connection.

As can be seen from the above description, the first snap clamp 4 is extended with an extension shorting bar 15 to facilitate extension connection to other contacts.

The utility model provides a main flexible short circuit device in high altitude that becomes can be applied to 220kv transformer high-voltage test's three-phase short circuit in-process, through single one-hand control action bars 3, saves the time that the wire arrangement was accomodate, need not to rise the car auxiliary wiring, promotes the main convenience that becomes high altitude wiring, in addition, can also be applied to the wiring flow of some other high altitude construction.

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is:

main transformer high altitude flexible short circuit device, as shown in fig. 1 and fig. 2, including device casing 1, extension short circuit 15, flexible coiling mechanism 2, action bars 3, first buckle fastener 4 and second buckle fastener 5. Wherein, flexible take-up unit 2 sets up in device casing 1 and has convoluteed wire 6, and the one end of wire 6 is worn out device casing 1 and is linked to each other with first buckle fastener 4, and second buckle fastener 5 sets up in the surface of device casing 1, and the tip of action bars 3 is connected with device casing 1 and first buckle fastener 4 buckle respectively. The first snap clamp 4 and the second snap clamp 5 are electrically connected. The number of the telescopic winding devices 2 and the number of the first buckle wire clamps 4 are both multiple and in one-to-one correspondence. Be equipped with banana jack 16 on the first buckle fastener 4, one end and banana jack 16 fixed connection. Wherein, as shown in fig. 1, the structure of the telescopic winding device 2, the first buckle clamp 4 and the wire 6 is provided with two groups, and in other equivalent embodiments, a plurality of groups of the structures can be determined according to actual requirements.

In the present embodiment, specifically, as shown in fig. 3, the telescopic winding device 2 includes a wire spool 7, a power spring 8, a mount 9, and a rotating shaft 10. Wherein, pivot 10 rotationally sets up on mount pad 9, and clockwork spring 8 cup joints on pivot 10, clockwork spring 8 and 7 fixed connection of wire reel and be used for driving wire reel 7 and rotate, and 6 twines of wire and sets up on wire reel 7.

In the present embodiment, the end of the operating lever 3 includes a first boss 11 perpendicular to the operating lever 3;

the device shell 1 is provided with an opening 12, the size of which is matched with the size of the cross section of the end part of the operating rod 3, and the opening 12 is communicated with a yielding space for the rotation of the first boss part 11 in the device shell 1. The first boss 11 is a metal boss.

In the present embodiment, the end of the operating lever 3 is provided with a second boss 13. The first buckle clamp 4 is provided with a slot 14 with a size matched with the second bulge 13. The second protruding part 13 is magnetically connected with the bottom of the slot 14.

In this embodiment, the specific application process of the main transformer high-altitude telescopic short-circuit line device in the 220kV transformer high-voltage test is as follows:

firstly, an operator holds one end of an operating rod 3, and rotates the operating rod 3 to enable a first protruding portion 11 to penetrate through an opening 12 and be clamped in an abdicating space of a device shell 1, so that the device shell 1 can be driven to move by controlling the operating rod 3, and a second buckle wire clamp 5 is clamped on a sleeve wiring board of any one phase of three phases;

then, the operator rotates the operating rod 3 to make the first protruding part 11 penetrate through the opening 12, and controls the second protruding part 13 on the operating rod 3 to be fixed on the slot 14 of the first buckle cable clamp 4 in a magnetic attraction manner, so that the operating rod 3 can be controlled to drive the first buckle cable clamp 4 to move; simultaneously, the wire 6 on the telescopic winding device 2 is drawn out; and then different first buckle wire clamps 4 are controlled to be respectively clamped on the sleeve wiring boards of the other two phases of the three phases;

finally, the operator connects the extended shorting stub 15 of the first snap clamp 4 to the bushing terminal block of the neutral point, thereby completing the shorting operation of the a, B, C and neutral points.

To sum up, the utility model discloses a flexible short circuit termination in main transformer high altitude has integrated second buckle fastener and the flexible take-up device who links to each other with first buckle fastener on the device casing, make the wire that first buckle fastener is connected can freely stretch out and draw back arbitrary length, and through the first buckle fastener removal of action bars difference controlling means casing removal and pulling, and convenient to carry utilizes the wire reel, the clockwork spring, mount pad and pivot constitution flexible take-up device, realize the automatic rolling of wire, high durability and convenient use, through single one-hand control action bars, save the time that the wire arrangement was accomodate, need not to rise the supplementary wiring of rising car, promote the convenience of main transformer high altitude wiring.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (8)

1. The main transformer high-altitude telescopic short-circuit wire device is characterized by comprising a device shell, a telescopic winding device, an operating rod, a first buckle wire clamp and a second buckle wire clamp;

the telescopic winding device is arranged in the device shell and is wound with a lead, one end of the lead penetrates out of the device shell to be connected with the first buckle wire clamp, the second buckle wire clamp is arranged on the outer surface of the device shell, and the end part of the operating rod is respectively connected with the device shell and the first buckle wire clamp in a buckling mode;

the first buckle wire clamp and the second buckle wire clamp are electrically connected.

2. The main transformer high altitude telescopic short circuit line device according to claim 1, wherein the telescopic winding device comprises a wire spool, a clockwork spring, a mounting seat and a rotating shaft;

the rotating shaft is rotatably arranged on the mounting seat, the spring is sleeved on the rotating shaft, the spring is fixedly connected with the wire spool and used for driving the wire spool to rotate, and the wire is wound on the wire spool.

3. The main transformer high altitude telescopic short circuit device according to claim 1, wherein the end of the operating rod comprises a first boss perpendicular to the operating rod;

be equipped with the size on the device casing with the trompil of the cross section size looks adaptation of the tip of action bars, the trompil intercommunication be used for in the device casing supplying first bellying pivoted space of stepping down.

4. The main transformer high altitude telescopic short circuit device of claim 3, wherein the first boss is a metal boss.

5. The main transformer high altitude telescopic short circuit line device of claim 1, wherein the end of the operating rod is magnetically connected with the first buckle wire clamp.

6. The main transformer high altitude telescopic short circuit line device according to claim 5, wherein a second boss is provided on an end of the operating rod;

the first buckle wire clamp is provided with a slot with the size matched with that of the second bulge;

the second protruding part is magnetically attracted and connected with the bottom of the slot.

7. The main transformer high-altitude telescopic short-circuit line device according to claim 1, wherein the number of the telescopic winding devices and the number of the first buckle line clamps are multiple and correspond to one another.

8. The main transformer high altitude telescopic short circuit device according to claim 1, further comprising an extension short circuit;

be equipped with the banana jack on the first buckle fastener, the one end of extension stub with banana jack fixed connection.

Images