CN104569503A - Lightning arrester experiment rack for substation - Google Patents

Abstract

The invention relates to an experiment rack, in particular to a lightning arrester experiment rack for a substation. The lightning arrester experiment rack comprises bottom support mechanisms, a horizontal support and hooks (5), wherein the bottom support mechanisms are arranged at the lower parts of two ends of the horizontal support respectively, and a plurality of hooks (5) are arranged on one side surface of the horizontal support at intervals. The lightning arrester experiment rack is easy to disassemble, portable and lower in cost.

Description

A kind of lightning arrester test frame for substation

【Technical field】

The invention relates to an experiment frame, in particular to a portable substation lightning arrester experiment frame.

【Background technique】

As we all know, the lightning arrester is a device that protects the equipment in the substation from the lightning shock wave attack. When the lightning shock wave transmitted to the substation along the line exceeds the protection level of the lightning arrester, the lightning arrester first uses the grounding wire to discharge, and the grounding wire will safely introduce high-voltage surge current. Earth, use the grounding device to limit the amplitude of the lightning voltage below the lightning impact level of the protected equipment, so that the electrical equipment is protected. When the arrester is applied with high voltage, the arrester will inevitably generate a leakage current. If the arrester has a fault or defect, Not only does it fail to protect, but it also affects the operation of other equipment. Therefore, it is necessary to evaluate the performance of the arrester to measure whether the quality of the arrester is qualified. Because the size and thickness of the arrester are different in different places of use, operators usually It will take local materials and use ladders or stools as supports to solve the placement problem of arresters. The test racks for substation surge arresters sold are relatively expensive and have a large appearance, which is inconvenient to carry during preventive tests.

【Content of invention】

In order to overcome the deficiencies in the background technology, the present invention provides a test rack for lightning arresters in substations. The lightning arresters are suspended by using the hooks provided in the perforations on one side of the beam, so that the lightning arresters can be avoided during the experiment. In case of damage to the instrument, the invention is easy to disassemble, convenient to carry, and has low cost.

In order to realize the above-mentioned purpose of the invention, the present invention adopts the following technical solutions:

A lightning arrester test frame for a substation, comprising a bottom support mechanism, a horizontal support and hooks, the bottom support mechanisms are respectively provided at the lower parts of the two ends of the horizontal support, and a plurality of hooks are arranged at intervals on one side of the horizontal support.

In the lightning arrester test frame for substations, the bottom supporting mechanisms provided at the lower parts of the two ends of the horizontal support are of the same structure, wherein any bottom supporting mechanism includes a supporting rod and a folding base, and the lower part of the supporting rod is arranged in the folding base.

In the lightning arrester test frame for a substation, the support rod includes an upper support rod and a lower support rod, the upper end of the upper support rod is provided with a gap, and the lower end of the upper support rod is provided with a constricted plug-in end. The outer surface of the plug-in end of the socket is respectively provided with corresponding through holes A, the upper end of the lower support rod is provided with a plug-in hole for insertion with the plug-in end, and the outer surface of the upper part of the lower support rod is respectively provided with corresponding through-holes B, the upper pole and the lower pole are plugged and connected, the screw A passes through the through hole A and the through hole B corresponding to each other and is locked by the nut.

In the lightning arrester test frame for substation, the folding base includes a support base, an upper support rod and a lower support rod, and the support bases are two identical structures, any one of the support bases includes a support plate and a raised block, and the support base Three "∏"-shaped raised blocks are arranged at equal angles on the outside of the disk, and corresponding perforations A are provided on the two opposite surfaces of the "∏"-shaped raised blocks. The lower end of the lower support rod is fixed on any support In the inner hole A in the middle of the base, another support base is matched with the middle part of the lower support rod, and the positioning bolts arranged on the outer surface of the support base are positioned with the lower support rod, and the support base arranged at the lower end of the lower support rod is connected with the upper support rod , the support base arranged in the middle of the lower support rod is connected with the lower support rod.

In the lightning arrester test frame for substations, the upper support has three identical structures, any upper support includes a support rod A and a connecting ball A, the upper end of the supporting rod A is provided with a connecting ball A, and the connecting ball The head A is hingedly connected to the inside of the "Π"-shaped raised block, and the screw B passes through the perforation A and the inner hole B that connects the middle of both sides of the ball head A, and then is locked by a nut. The perforation B is provided with a hole between two perforations B.

In the lightning arrester test frame for a substation, the lower supports have three identical structures, any one of the lower supports includes a support rod B and a connecting ball B, the upper end of the lower support is provided with a connecting ball B, and the connecting ball The head B is hingedly connected to the inside of the "Π"-shaped raised block, the screw B passes through the perforation A and the inner hole B that connects the middle of both sides of the ball head B, and then is locked by a nut, and the lower end of the support rod B is set on the support rod A In the middle hole, the screw C is locked by the nut after passing through the hole B and the hole C.

In the lightning arrester test frame for substation, the horizontal support includes a crossbeam, a hook, a baffle and a downward extension, a baffle is provided at the upper part of both ends of the beam, and a downward extension is provided at the lower part of the baffle, and the baffle The sheet and extend downwards to form a "7"-shaped structure. At least one hook hole is arranged at intervals on one side of the beam, and a hook is provided in the hook hole. The two ends of the beam are respectively arranged in the gaps of the two upper poles. The downward extension is arranged outside the upper end of the upper support rod.

In the lightning arrester test frame for a substation, the upper support rod and the lower support rod are hollow stainless steel pipes.

Adopt the above-mentioned technical scheme, the present invention has the following advantages:

The lightning arrester test rack for substations of the present invention can detect whether the quality of the lightning arrester is qualified by hanging the lightning arrester on the hook 5 provided in the perforation 6 on one side of the beam 1. The present invention is simple in operation, easy to carry and low in production cost It not only solves the problem of placing the arrester during the experiment, but also greatly saves the experiment time for the operator.

【Description of drawings】

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation of beam 1 of the present invention;

Fig. 3 is a schematic structural view of the upper strut 6 of the present invention;

Fig. 4 is a schematic structural view of the lower strut 9 of the present invention;

Fig. 5 is a schematic structural view of the support base of the present invention;

Fig. 6 is a schematic structural view of the upper support of the present invention;

Fig. 7 is a schematic structural view of the lower support of the present invention.

In the figure: 1. Beam; 2. Hook hole; 3. Hook; 4. Block; 5. Extend downward; 6. Upper pole; 7. Plug-in end; 8. Screw A; 9. Lower pole ;10, protruding block; 11, screw B; 12, support plate; 13, connecting ball head A; 14, support rod A; 15, support rod B; 16, gap; 17, through hole A; 18, insert Hole; 19, through hole B; 20, inner hole A; 21, through hole A; 22, nut; 23, hole; 24, through hole B; 25, inner hole B; 26, connecting ball B; 27, through hole C; 28. Inner hole C; 29. Positioning bolts; 30. Screws.

【Detailed ways】

The present invention can be explained in more detail by the following examples, and the present invention is not limited to the following examples;

The lightning arrester test frame for substation described in conjunction with accompanying drawings 1 or 2 or 3 includes a bottom support mechanism, a horizontal support and a hook 5, the lower parts of the two ends of the horizontal support are respectively provided with a bottom support mechanism, and the lower parts of the two ends of the horizontal support are respectively provided with The bottom support mechanism of the above is the same structure, wherein any bottom support mechanism includes a support rod and a folding base, and the bottom of the support rod is arranged in the folding base; the support rod includes an upper pole 6 and a lower pole 9, and the The upper end of the upper strut 6 is provided with a gap 16, and the lower end of the upper strut 6 is provided with a constricted plug-in end 7, and the outer surfaces of the constricted plug-in end 7 are respectively provided with mutually corresponding through holes A17. The upper end of the support rod 9 is provided with an insertion hole 18 for plugging in with the plug-in end 7, and there are respectively provided through holes B19 corresponding to each other outside the upper part of the lower support rod 9, and the upper support rod 6 is plugged with the lower support rod 9. connection, the screw A8 passes through the through hole A17 and the through hole B19 corresponding to each other and is locked by the nut; the folding base includes a support base, an upper support rod and a lower support rod, and the support base is two identical structures, any one The support base includes a support plate 12 and a raised block 10. Three “∏” shaped raised blocks 10 are arranged at an equal angle on the outside of the supported plate 12, and two opposite surfaces of the “∏” shaped raised block 10 are provided Corresponding perforations A21, the lower end of the lower support rod 9 is fixed in the inner hole A20 in the middle of any one support base, and the other support base cooperates with the middle part of the lower support rod 9 in clearance, and the positioning provided on the outer surface of the support base The bolt 29 is positioned with the lower pole 9, the supporting base arranged at the lower end of the lower pole 9 is connected with the upper supporting pole, and the supporting base arranged at the middle part of the lower pole 9 is connected with the lower supporting pole; the upper support is three identical structures, any one The support on the root includes a support rod A14 and a connecting ball A13. The upper end of the supporting rod A14 is provided with a connecting ball A13. The connecting ball A13 is hingedly connected to the inside of the "Π"-shaped raised block 10, and the screw B11 passes through The perforated hole A21 and the inner hole B25 connecting the middle parts of both sides of the ball head A13 are locked by the nut 22, and the middle part of the support rod A14 is provided with a corresponding perforated hole B24, and a hole 23 is provided between the two perforated holes B24. The lower support has three identical structures. Any one of the lower supports includes a support rod B15 and a connecting ball B26. The upper end of the lower support is provided with a connecting ball B26. Inside the block 10, the screw B11 passes through the hole A21 and the inner hole B28 through the middle of the two sides of the connecting ball head B26 and is locked by the nut 22. The lower end of the support rod B15 is set in the hole 23 in the middle of the support rod A14, and the screw C30 passes through After passing through the hole B24 and the hole C27, it is locked by a nut; the upper support rod 6 and the lower support rod 9 are hollow stainless steel pipes; a plurality of hooks 5 are arranged at intervals on one side of the horizontal support, and the horizontal support includes a crossbeam 1 , a hook 3, a catch 4 and a downward extension 5, a catch 4 is provided at the upper part of both ends of the beam 1, and a downward extension 5 is provided at the bottom of the catch 4, and the catch 4 and the downward extension 5 form "7" type structure, on one side of beam 1, there are at least 3 A hook hole 2 is provided with a hook 3 in the hook hole 2. The two ends of the crossbeam 1 are respectively arranged in the gap 16 of the two upper poles 6, and the downward extension 5 is arranged on the outside of the upper pole 6 upper ends.

To implement the lightning arrester test frame for substations of the present invention, when in use, the upper strut 6 and the lower strut 9 are butted together by the screw A8, and the lower end of the lower strut 9 is fixed in the inner hole A20 of one of the support bases. Among them, the other support base is arranged in the middle part of the lower pole 9, and is positioned by the positioning bolt 29. The middle part of the screw B11 is a polished rod. The base is hingedly connected, the connecting ball head B26 of the support rod B15 is hingedly connected with the support base provided at the lower end of the lower support rod 9 through the screw B11, the lower end of the support rod B15 is connected with the middle part of the support rod A14 through the screw C30, and two support bases , The upper support and the lower support form a folding base, hang the arrester on the hook 5 set in the perforation 6 on one side of the beam 1, hang the ground wire on the arrester test frame and connect the megger to the arrester, and then the arrester can be detected Whether the quality is qualified, when not in use, the foldable base and the support rod can be disassembled, and each part after disassembly is relatively short, and can be put into the operator's tool bag at hand, so that it can be carried during the preventive test; the operation of the present invention Simple, easy to carry and low production cost, it not only solves the problem of placing the arrester during the experiment, but also greatly saves the experiment time for the operator.

The unspecified parts of the present invention are prior art.

The embodiments selected herein for the purpose of disclosing the invention of the present invention are considered suitable at present, but it should be understood that the present invention is intended to include all changes and improvements of the embodiments belonging to the concept and scope of the invention .

Claims (8)

1. transformer station's lightning arrester experimental frame, is characterized in that: comprise bottom support mechanism, horizontal support and hook (5), the bottom, two ends of described horizontal support is respectively equipped with bottom support mechanism, and a plurality of hook (5) is disposed on a side of horizontal support.

2. transformer station according to claim 1 lightning arrester experimental frame, it is characterized in that: the bottom support mechanism that bottom, horizontal support two ends is arranged respectively is identical structure, wherein arbitrary bottom support mechanism comprises support bar and folding base seat, and the bottom of described support bar is arranged in folding base seat.

3. transformer station according to claim 2 lightning arrester experimental frame, it is characterized in that: described support bar comprises upper rack posts (6) and lower fulcrum bar (9), the upper end of described upper rack posts (6) is provided with gap (16), the lower end of upper rack posts (6) is provided with the inserted terminal (7) of necking down, mutually corresponding through hole A(17 is respectively equipped with) at inserted terminal (7) exterior face of necking down, the upper end of described lower fulcrum bar (9) is provided with the inserting hole (18) with inserted terminal (7) grafting, mutually corresponding through hole B(19 is respectively equipped with) in the exterior upper portion of lower fulcrum bar (9), described upper rack posts (6) and lower fulcrum bar (9) socket connection, screw A(8) through mutually corresponding through hole A(17) and through hole B(19) locked by nut.

4. transformer station according to claim 2 lightning arrester experimental frame, it is characterized in that: described folding base seat comprises base for supporting, upper support bar and lower support bar, described base for supporting is two identical structures, any one base for supporting comprises supporting disk (12) and protruding block (10), the outside of described supporting disk (12) angularly arranges three " ∏ " types protruding block (10), two opposite faces of " ∏ " type protruding block (10) are provided with mutually corresponding perforation A(21), the lower end of described lower fulcrum bar (9) is fixed on the endoporus A(20 in the middle part of any one base for supporting) in, the middle part clearance fit of another base for supporting and lower fulcrum bar (9), located by the bolt that base for supporting exterior face is arranged (29) and lower fulcrum bar (9), the base for supporting being arranged on lower fulcrum bar (9) lower end is connected with upper support bar, the base for supporting being arranged on lower fulcrum bar (9) middle part is connected with lower support bar.

5. transformer station according to claim 4 lightning arrester experimental frame, it is characterized in that: on described, be supported for three identical structures, any upper support comprises support bar A(14) and connecting ball head A(13), described support bar A(14) upper end be provided with connecting ball head A(13), described connecting ball head A(13) be articulated and connected in the inside of " ∏ " type protruding block (10), screw B(11) through perforation A(21) and connecting ball head A(13) the through endoporus B(25 of two middle side parts) after locked by nut (22), at support bar A(14) middle part be provided with mutually corresponding perforation B(24), two perforation B(24) between be provided with hole (23).

6. transformer station according to claim 4 lightning arrester experimental frame, it is characterized in that: described lower support is three identical structures, any lower support comprises support bar B(15) and connecting ball head B(26), the upper end of described lower support is provided with connecting ball head B(26), described connecting ball head B(26) be articulated and connected in the inside of " ∏ " type protruding block (10), screw B(11) through perforation A(21) and connecting ball head B(26) the through endoporus B(28 of two middle side parts) after locked by nut (22), support bar B(15) lower end be arranged on support bar A(14) middle part hole (23) in, screw C(30) through perforation B(24) and bore a hole C(27) after locked by nut.

7. transformer station according to claim 1 lightning arrester experimental frame, it is characterized in that: described horizontal support comprises crossbeam (1), hook (3), catch (4) and to downward-extension (5), catch (4) is provided with on the top, two ends of crossbeam (1), be provided with in the bottom of catch (4) to downward-extension (5), described catch (4) and to downward-extension (5) formed " 7 " type structure, a side of crossbeam (1) is interval with at least (3) individual hook hole (2), hook (3) is provided with at hook hole (2), the two ends of described crossbeam (1) are separately positioned in the gap (16) of two upper rack posts (6), upper rack posts (6) upper end is arranged on outside to downward-extension (5).

8. the lightning arrester experimental frame of the transformer station according to Claims 2 or 3 or 4, is characterized in that: described upper rack posts (6) and lower fulcrum bar (9) are hollow stainless-steel pipe.