CN214174453U - High-voltage lead insulation supporting rod for cable alternating-current voltage withstand test - Google Patents

Abstract

The utility model discloses a cable alternating-current withstand voltage test high-voltage lead wire insulation support rod, including the chassis support and the support body of rod, the chassis support is beta structure, supports body of rod detachably and connects on the chassis support, is equipped with ground fixed knot on the chassis support and constructs, is equipped with high-voltage lead wire clamping head on the support body of rod. When the utility model is used, the chassis bracket is unfolded and firmly fixed on the ground through the ground fixing structure, the support rod body is arranged on the chassis bracket, and the high-voltage lead is clamped and supported through the high-voltage lead clamping head; when not using, the support rod body is pulled down from the chassis support, and the chassis support is folded and is packed up, and the volume reduces greatly behind each part of split to compact storage improves the portability greatly. The utility model discloses can arrange fast and pack up to can be suitable for complicated topography better, can remove interim pavement during the use and lay the process, reduce the engineering man-hour greatly, reduce construction cost.

Description

High-voltage lead insulation supporting rod for cable alternating-current voltage withstand test

Technical Field

The utility model relates to an experimental auxiliary fixtures of electric power, more specifically say, it relates to a cable exchanges withstand voltage test high voltage lead insulating support pole.

Background

The 110kV cable alternating-current voltage withstand test is the most direct method for identifying the cable insulation strength, has decisive significance for judging whether the cable can be put into operation or not, and is an important means for ensuring the insulation level of electrical equipment and avoiding insulation accidents. And weak links and hidden dangers caused in the production and installation processes of the cable are checked through a voltage-withstanding test, so that the insulation strength of the cable meets the requirements. The test site adopts a frequency conversion series resonance method, and test voltage is applied between a cable conductor and the ground. Safety technical measures particularly emphasize that the ground safety distance of a high-voltage test lead, high-voltage generating equipment and cable heads on two sides meets safety regulations and test requirements. During the test, a temporary access is generally laid near a cable terminal tower and used for placing a series resonance pressure-resistant complete device, the temporary access is connected with the cable terminal through a high-voltage lead, the temporary access can be generated by means of a bulldozer assisted by manual paving, mechanical compaction of a vibratory roller and the like, and the temporary access can also be realized by a steel plate laying method. The laying of temporary pavements takes a lot of working time and high construction costs. However, sometimes the cable terminal tower has to be built in a ploughing field, in such a case, the series resonance voltage-withstanding complete system cannot be close to the cable terminal tower, or a temporary access cannot be laid, and often a plurality of herringbone insulation ladders can only be erected between the equipment and the cable terminal tower, and the high-voltage lead is led to the cable terminal through the insulation ladders. The method usually needs more insulating ladders, and the insulating ladders have large volume and seriously occupy the limited space of an engineering truck for transporting equipment. In addition, due to the poor stability of the insulating ladder, the insulating ladder is likely to topple over in the test field if the test field meets strong wind suddenly or the soil is not smooth and firm enough, and potential safety hazards are brought to the test. The utility model discloses a utility model with publication number CN210954101U specially does benefit to 2020, 7.7.A high tension cable exchanges insulating support for withstand voltage test is disclosed, including fixed cassette, combination hitching leg and flexible inner rod, combination hitching leg fixed mounting is at one side surface of fixed cassette, and it is fixed through the butt joint of concatenation draw-in groove between combination hitching leg and the fixed cassette, flexible inner rod activity cup joints the inboard intermediate position at combination hitching leg, combination hitching leg through flexible inner rod and fixed support butt joint fixed, the internal surface of flexible inner rod has seted up spacing draw-in groove, and the both ends surface of flexible inner rod is fixed cup joints spacing snap ring, the surface of flexible inner rod is close to the both sides of spacing draw-in groove and all has movably mounted the elasticity card pearl, the lower extreme surface of flexible inner rod is fixed and is mounted the spring housing; make the utility model provides a high tension cable exchanges insulating support for withstand voltage test has the removal and adjusts the structure, promotes the flexibility ratio when it uses, makes it have mosaic structure simultaneously, increases its application scope, and is comparatively practical. But this utility model need fix on other supporter through fixed cassette during the use, can't independently install under complicated topography and make somebody a mere figurehead high voltage lead wire on ground.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable alternating-current withstand voltage test auxiliary device that has now is bulky, and the transport is inconvenient, and the performance is very easily restricted by the topography, for overcoming these defects, the utility model provides a portability is better and can be on complicated topography stable, high-efficient, support, guide high-voltage lead's cable alternating-current withstand voltage test high-voltage lead insulation support pole safely.

The technical scheme of the utility model is that: the utility model provides a cable exchanges withstand voltage test high pressure lead wire insulation support pole, includes the chassis support and supports the body of rod, and the chassis support is beta structure, supports body of rod detachably and connects on the chassis support, is equipped with ground fixed knot on the chassis support and constructs, is equipped with high-pressure lead wire clamp head on the support body of rod. When the utility model is used, the chassis bracket is unfolded and firmly fixed on the ground through the ground fixing structure, the support rod body is arranged on the chassis bracket, and the high-voltage lead is clamped and supported through the high-voltage lead clamping head; when not using, the support rod body is pulled down from the chassis support, and the chassis support is folded and is packed up, and the volume reduces greatly behind each part of split to compact storage improves the portability greatly. The utility model discloses can arrange fast and pack up to can be suitable for complicated topography better, can remove interim pavement during the use and lay the process, reduce the engineering man-hour greatly, reduce construction cost.

Preferably, the chassis support comprises a base, a bottom sleeve and folding support legs, the bottom sleeve is fixed at the center of the base, the folding support legs are hinged to the base and are radially arranged around the bottom sleeve, and the support rod body is inserted into the bottom sleeve. Folding and the expansion of chassis support are realized in the upset of folding stabilizer blade accessible, support the body of rod plug in the end sleeve pipe to dismouting conveniently.

Preferably, the folding legs are telescopically nested. The folding stabilizer blade is scalable, can be according to the support height of the different support rod body or the different roughness on ground change chassis support's the support area, improves support stability.

Preferably, the tail ends of the folding support legs are further provided with ground sticking pieces and horizontal adjusting screws, the ground sticking pieces are provided with ground nail holes, the horizontal adjusting screws are in threaded connection with the folding support legs and penetrate through the top surfaces and the bottom surfaces of the folding support legs, and the tail ends of the horizontal adjusting screws are fixedly connected with ground sticking pads. The ground patch can increase the contact area between the tail end of the folding support leg and the ground, improve the stability of the chassis bracket and facilitate the arrangement of ground nail holes for additionally arranging ground nails.

Preferably, the ground fixing structure comprises a ground nail, and the ground nail is detachably connected in the ground nail hole. The ground nail is inserted underground, and the folding supporting leg is compressed, so that the chassis support is reliably fixed with the ground.

Preferably, the support rod body is of a split structure and comprises a plurality of pipe joints, and the pipe joints are sequentially connected in an arranging manner. Different support rod body heights can be obtained through the connection of different numbers of pipe joints, and different use requirements are met.

Preferably, the adjacent pipe sections are connected in an inserting manner, and the two connected pipe sections are clamped through a spring pin-pin hole matching structure. Through the spring pin-pin hole matching structure, the pipe joint can be connected quickly and conveniently, and the required height of the support rod body is obtained.

Preferably, the top of the high-voltage lead wire clamping head is provided with a wire clamping opening, the inner wall of one side of the wire clamping opening is hinged with an elastic clamping block, and the elastic clamping block is provided with a convex curved surface. When the high-voltage lead is clamped into the wire clamping opening, the elastic clamping block can be pushed to overturn, so that the high-voltage lead can smoothly enter the deep part of the wire clamping opening and is stably clamped. When the high-voltage lead is taken out, the high-voltage lead can push the elastic clamping block to turn over so as to obtain larger clearance and smoothly move out of the wire clamping opening.

Preferably, the ground fixing structure comprises a ground plug which is detachably connected with the bottom of the chassis support. For soft ground, the ground plug can be additionally arranged, so that larger anchoring acting force is generated between the chassis support and the ground, and the supporting stability of the chassis support is increased.

The utility model has the advantages that:

the working efficiency is improved. The utility model discloses can arrange fast and pack up to can be suitable for complicated topography better, can remove interim pavement from during the use and lay the process, save high-voltage test's time greatly, reduce during construction man-hour, effectively improve work efficiency, shorten the power off time that high-voltage test produced, reduce the economic loss that the power failure brought.

The construction cost is reduced. Because the utility model discloses need not to lay interim pavement during the use, can practice thrift man-hour, manual work and equipment input greatly, greatly reduced synthesizes construction cost.

The portability is improved. The utility model discloses when not using, the support rod body is pulled down from the chassis support, and the chassis support is folding to be packed up, and the volume reduces greatly after each part of split to compact storage, convenient transport improves the portability greatly.

The construction safety is improved. The utility model discloses during the use, chassis support expandes and firmly fixes subaerial through ground fixed knot structure, has guaranteed tester and test equipment's safety to improve the construction security.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a disassembled state of the present invention;

fig. 3 is a schematic structural view of the base of the present invention;

FIG. 4 is a schematic structural view of the folding leg of the present invention;

FIG. 5 is a schematic structural view of a high voltage lead clamping head according to the present invention;

fig. 6 is a schematic structural view of the middle ground socket of the present invention.

In the figure, 1-a chassis bracket, 2-a support rod body, 3-a high-voltage lead wire clamping head, 4-a base, 5-a base sleeve, 6-a folding supporting leg, 7-a ground sheet, 8-a horizontal adjusting screw, 9-a ground pad, 10-a ground plug, 11-a wire clamping port, 12-an elastic clamping block, 13-a ground nail, 14-a ground nail hole, 15-a base plate, 16-a supporting leg mounting plate, 17-an inner pipe and 18-an outer pipe.

Detailed Description

The present invention will be further described with reference to the following detailed description of the embodiments.

Example 1:

as shown in fig. 1 to 6, a high-voltage lead insulating support rod for a cable alternating-current voltage withstand test comprises a chassis support 1 and a support rod body 2, wherein the chassis support 1 is of a foldable structure, the support rod body 2 is detachably connected to the chassis support 1, a ground fixing structure is arranged on the chassis support 1, and a high-voltage lead clamping head 3 is arranged on the support rod body 2. The chassis frame 1 comprises a base 4, a bottom sleeve 5 and four folding legs 6. The base 4 comprises a base plate 15 and four supporting leg mounting plates 16, the bottom sleeve 5 is vertically welded and fixed in the center of the base plate 15 of the base 4, the bottom sleeve 5 penetrates through the base plate 15, two groups of the four supporting leg mounting plates 16 are arranged in a cross mode and vertically welded on the base plate 15, the bottom sleeve 5 is located in the center of the cross mode, the two supporting leg mounting plates 16 in each group are parallel, pivots parallel to the base plate 15 are erected at two ends of each group of the supporting leg mounting plates 16, and the pivots penetrate through the tail ends of the folding supporting legs 6 to enable the folding supporting legs 6 to be hinged on the base 4 and arranged around the bottom sleeve 5 in a radial mode. The leg mounting plate 16 is fan-shaped and has a central angle of 90 °. The support rod body 2 is inserted in the opening at the top of the bottom sleeve 5. The ground fixing structure comprises a ground insert 10, and the ground insert 10 can be screwed with the bottom port of the bottom sleeve 5 at the bottom of the chassis support 1 to realize detachable connection. The folding support leg 6 is of a telescopic nested structure and comprises an inner tube 17 and an outer tube 18, the inner tube 17 is hinged on the base 4, the outer tube 18 is sleeved on the inner tube 17 in a sliding mode, the outer end of the inner tube 17 is provided with a spring pin, and two ends of the outer tube 18 are respectively provided with a pin hole, so that the outer tube 18 can be locked in a folding state and a pulling state. The inner end side of the inner tube 17 is provided with an inner tube spring pin, the arc-shaped edge of the supporting leg mounting plate is provided with two locking notches which can be matched with the inner tube spring pin, and the two locking notches respectively correspond to the unfolding and folding state positions of the folding supporting leg 6. The tail end of the outer tube of the folding support leg 6 is further provided with a ground sticking sheet 7 and a horizontal adjusting screw 8, the ground sticking sheet 7 is welded on an outer tube 18 of the folding support leg 6, a ground nail hole 14 is formed in the ground sticking sheet 7, the horizontal adjusting screw 8 is in threaded connection with the folding support leg 6 and penetrates through the top surface and the bottom surface of the folding support leg 6, and the tail end of the horizontal adjusting screw 8 is fixedly connected with a ground sticking mat 9. The ground fixing structure also comprises an inverted U-shaped ground nail 13, and the ground nail 13 can be inserted in the ground nail hole 14. The support rod body 2 is of a split structure and comprises three pipe joints, each pipe joint is one meter long and is sequentially arranged and connected, in two connected pipe joints, the outer diameter of a butt joint end port of one pipe joint is matched with the inner diameter of a butt joint end port of the other pipe joint so as to form inserting connection, in the two connected pipe joints, one pipe joint is provided with a spring pin on the peripheral surface of the butt joint end, the other pipe joint is provided with a pin hole on the peripheral surface of the butt joint end, and the spring pin and the pin hole can be in adaptive clamping connection to form a spring pin-pin hole matching structure. The top of the high-voltage lead wire clamping head 3 is provided with a hook-shaped wire clamping opening 11, the inner wall of one side of the wire clamping opening 11 is hinged with an elastic clamping block 12, and the elastic clamping block 12 is provided with a convex curved surface. The high-voltage lead wire clamping head 3 is positioned at the top end of a short rod, and the short rod is clamped with the uppermost pipe section of the support rod body 2 through a spring pin-pin hole matching structure.

The utility model discloses during the use, the folding stabilizer blade 6 of chassis support 1 expandes, props up subaerial, will support the body of rod 2 and assemble according to required height festival by festival, inserts the end sleeve pipe 5 on the chassis support 1, supports the high-pressure lead with 3 centre grippings of high-pressure lead wire thread clamping head. If the ground is flat and the road surface is hardened, the unfolded folding support legs 6 can be pressed by a heavy object without using the ground nails 13 and the ground inserts 10; if the ground is uneven and soft, the ground nail 13 is inserted into the ground nail hole 14 and knocked deep into the ground, or the ground insert 10 is further connected to the bottom of the base 4, so that the chassis support 1 is firstly inserted into the ground and then unfolded. When not using, the support rod body 2 is pulled down from chassis support 1, and chassis support 1 is folding to be packed up, and the part of split can be accomodate with less space.

Example 2:

the support rod body 2 is of a split structure and comprises four pipe joints. The rest is the same as example 1.

Claims (9)

1. The utility model provides a cable exchanges withstand voltage test high pressure lead wire insulation support pole, characterized by includes chassis support (1) and the support body of rod (2), and chassis support (1) is beta structure, and support body of rod (2) detachably connects on chassis support (1), is equipped with ground fixed knot on chassis support (1) and constructs, is equipped with high-pressure lead wire thread clamping head (3) on the support body of rod (2).

2. The insulating support rod for the high-voltage lead wire in the alternating current voltage withstand test of the cable according to claim 1, wherein the chassis support (1) comprises a base (4), a bottom sleeve (5) and folding support legs (6), the bottom sleeve (5) is fixed at the center of the base (4), the folding support legs (6) are hinged on the base (4) and are radially arranged around the bottom sleeve (5), and the support rod body (2) is inserted into the bottom sleeve (5).

3. The cable alternating current withstand voltage test high-voltage lead insulation support rod according to claim 2, wherein the folding legs (6) are of a telescopic nested structure.

4. The high-voltage lead insulation support rod for the cable alternating current voltage withstand test is characterized in that the tail end of the folding support leg (6) is further provided with a ground sticking piece (7) and a horizontal adjusting screw (8), the ground sticking piece (7) is provided with a ground nail hole (14), the horizontal adjusting screw (8) is in threaded connection with the folding support leg (6) and penetrates through the top surface and the bottom surface of the folding support leg (6), and the tail end of the horizontal adjusting screw (8) is fixedly connected with a ground sticking pad (9).

5. The cable ac withstand voltage test high voltage lead insulation support rod according to claim 4, wherein the ground fixing structure comprises a ground nail (13), and the ground nail (13) is detachably connected in a ground nail hole (14).

6. The high-voltage lead insulation support rod for the alternating-current withstand voltage test of the cable according to claim 1, wherein the support rod body (2) is of a split structure and comprises a plurality of pipe sections, and the pipe sections are sequentially connected in an array mode.

7. The high-voltage lead insulating support rod for the cable alternating-current voltage withstand test as claimed in claim 6, wherein adjacent pipe sections are connected in an inserting manner, and the two connected pipe sections are clamped and connected through a spring pin-pin hole matching structure.

8. The high-voltage lead insulation support rod for the alternating current voltage withstand test of the cable according to any one of claims 1 to 7, wherein a wire clamping opening (11) is formed in the top of the high-voltage lead clamping head (3), an elastic clamping block (12) is hinged to the inner wall of one side of the wire clamping opening (11), and the elastic clamping block (12) is provided with a convex curved surface.

9. The cable alternating current withstand voltage test high-voltage lead insulation support rod according to any one of claims 1 to 7, wherein the ground fixing structure comprises a ground plug (10), and the ground plug (10) is detachably connected with the bottom of the chassis support (1).

Images