CN112750650B

CN112750650B - Grounding device of outdoor isolating switch

Info

Publication number: CN112750650B
Application number: CN202110017971.7A
Authority: CN
Inventors: 陈张根
Original assignee: Yuyao Chaoli Electric Appliance Co ltd
Current assignee: Yuyao Chaoli Electric Appliance Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2022-11-11
Anticipated expiration: 2041-01-07
Also published as: CN112750650A

Abstract

The invention relates to a grounding device of an outdoor isolating switch, which comprises a grounding column, an installation seat, a rotating seat, a connecting seat, a grounding device and a grounding lead-in device, wherein the connecting seat is arranged at the bottom of the grounding device, the rotating seat is arranged at the outer end of the bottom of the connecting seat, the installation seat is arranged at the bottom of the rotating seat, the grounding column is respectively arranged at the left end and the right end of the installation seat, the grounding lead-in device is arranged at the bottom of the installation seat, two groups of limiting blocks are arranged at the outer end of the top of the grounding device, limiting holes are formed in the centers of the limiting blocks, lightning rods are respectively arranged in the limiting holes, grounding leads are respectively arranged on two sides of each lightning rod, and grounding contacts are respectively arranged at the tops of the grounding leads. The grounding device can be stably installed at the bottom of an outdoor isolating switch for a long time, the upper end assembly and the lower end assembly of the grounding device can be conveniently detached and maintained, the maintenance difficulty of the grounding device is reduced, and the stability between the rotating seat and the installation seat can be effectively improved through the connection of the rotating groove and the limiting device.

Description

Grounding device of outdoor isolating switch

Technical Field

The invention relates to the technical field of grounding device equipment, in particular to a grounding device of an outdoor isolating switch.

Background

The high-voltage isolating switch refers to an isolating switch with rated voltage of 1kV or more, and is one of the most used high-voltage switching appliances. The main characteristic of the isolating switch is that it has no arc-extinguishing ability and can only be switched on and off without load current. The isolating switch is used for each stage of voltage and is used for changing the circuit connection or disconnecting the circuit and then operating. The grounding device is a general name of a grounding electrode buried underground and a connecting wire from the grounding electrode to equipment, at present, the grounding device of the existing voltage isolating switch is a simple cable, the internal abrasion of the cable is used for a long time, the maintenance and the replacement are needed, the whole grounding device needs to be replaced when the existing grounding device is replaced, the repair cost is high, the existing grounding device is inconvenient to judge whether the cable works normally or not, the use effect of the cable is influenced, and the cable cannot be maintained in time; the grounding device is one of the most important devices of the high-voltage isolating switch, the contact area of the grounding end of the conventional grounding device is limited, and twisting and dislocation can be generated between contact pieces to cause invalid grounding, so that certain potential safety hazards are provided. Therefore, the grounding device of the outdoor isolating switch is provided.

Disclosure of Invention

The invention aims to provide a grounding device of an outdoor isolating switch, which solves the problems that the conventional grounding device of the high-voltage isolating switch is inconvenient to maintain, is easy to interfere and has limited grounding effect, so as to achieve the purposes of adjusting the contact between the high-voltage isolating switch and the grounding device, increasing the grounding effect and improving the maintenance convenience of the high-voltage isolating switch and strengthen the safety guarantee of the use of the outdoor isolating switch.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an outdoor isolator's earthing device, includes ground connection post, mount pad, rotation seat, connecting seat, earthing device and ground connection leading-in device, the earthing device bottom is equipped with the connecting seat, connecting seat bottom outer end is equipped with rotates the seat, it is equipped with the mount pad to rotate the seat bottom, both ends are equipped with the ground connection post respectively about the mount pad, the mount pad bottom is equipped with ground connection leading-in device.

As a preferable aspect of the present invention, wherein: the shock-absorbing device is characterized in that a mounting plate is arranged at the top end inside the connecting seat, a shock-absorbing spring is arranged at the bottom of the mounting plate, a positioning rod is arranged at the bottom of the shock-absorbing spring, a limiting spring is arranged at the bottom of the positioning rod, an insulating sheath is arranged at the outer end of the positioning rod, buffer springs are arranged at the left end and the right end of the outer side of the insulating sheath respectively, and buffer seats are arranged at the bottoms of the buffer springs respectively.

As a preferable aspect of the present invention, wherein: the lightning rod grounding device is characterized in that two sets of limiting blocks are arranged at the outer ends of the top of the grounding device, limiting holes are formed in the centers of the limiting blocks, lightning rods are arranged in the limiting holes respectively, lightning protection blocks are arranged at the tops of the lightning rods respectively, grounding leads are arranged on the two sides of each lightning rod respectively, grounding contacts are arranged at the tops of the grounding leads respectively, and the bottoms of the lightning rods are connected to the tops of the fixing blocks.

As a preferable aspect of the present invention, wherein: the grounding device is characterized in that a reinforcing sheath is arranged on the outer wall of the grounding device, an insulating support is arranged on the inner side of the grounding device, adjusting rods are arranged around the grounding device respectively, grounding end buckles are arranged on the inner sides of the adjusting rods respectively, reinforcing rods are arranged at the outer ends of the adjusting rods respectively, the outer ends of the reinforcing rods extend into the insulating support, conductive arms are arranged at the outer ends of the reinforcing rods respectively, conductive cores are arranged between the conductive arms, and contact terminals are arranged at the outer ends of the conductive cores respectively.

Further, the mount pad top is equipped with rotates the groove, it is equipped with stop device to rotate the inslot, it locates to rotate the seat bottom rotate the inslot, it is equipped with the fixing base respectively to rotate both ends about the seat bottom, the fixing base bottom is equipped with electrically conductive base, electrically conductive base top is equipped with electrically conductive gasket, electrically conductive gasket top is equipped with electrically conductive gripper, electrically conductive gripper top is equipped with the joint seat, joint seat top is equipped with connecting rod one, connecting rod one top is equipped with the fixed block, the fixed block inboard with connecting seat outer wall connection.

Furthermore, the grounding end buckle is divided into an upper buckle and a lower buckle, the outer end of the adjusting rod is provided with a buffering elastic cushion, and the elastic cushion is arranged in the insulating support.

Furthermore, the inner side of the reinforcing rod is buckled on the grounding end, and the outer end of the reinforcing rod is respectively embedded into the insulating support.

Furthermore, the inner sides of the limiting blocks are respectively provided with a positioning groove, an insulating rubber catch is arranged between the positioning grooves, and the centers of the limiting blocks are respectively fixed with a lightning rod.

Further, ground connection gatherer outer end is equipped with the end of grabbing ground respectively, the end inboard of grabbing ground is equipped with ground terminal respectively, ground terminal central authorities are equipped with the damping seat, the damping seat top is equipped with the ground connection seat, both ends are equipped with connecting rod two respectively about the ground connection seat, the outer end of connecting rod is equipped with the joint post respectively, connecting rod two pass through the joint post with grab the end and connect.

Furthermore, the outer ends of the ground grabbing ends are respectively provided with a conductive rod body, and the conductive rod bodies are connected into the grounding posts.

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the grounding device of the outdoor isolating switch can be stably installed at the bottom of the outdoor isolating switch for a long time, the connection between the high-voltage isolating switch and the grounding device is established through the installation seat and the rotating seat of the grounding device, the upper end assembly and the lower end assembly of the grounding device can be conveniently detached and maintained, the maintenance difficulty of the grounding device is reduced, the stability between the rotating seat and the installation seat can be effectively improved through the connection of the rotating groove and the limiting device, the grounding device can be prevented from being accidentally separated from the installation seat, and the safety performance of the grounding device is improved.

2. According to the scheme, the lightning protection devices and the grounding lead are arranged at the two ends of the grounding device, so that the influence of lightning weather on the high-voltage isolating switch can be reduced, and the safety of the high-voltage isolating switch is protected; set up multiunit shock attenuation and buffer spring in the connecting seat, reduce the influence that locating lever and insulating sheath received when earthing device moves to can cushion the shock attenuation at the impact that the in-process of thunderbolt received the lightning rod, simultaneously, carry out the dispersion to the thunderbolt effort of lightning rod and absorb, realized the lightning protection effect to high voltage isolator, guarantee the installation stability of lightning rod.

3. The scheme of the invention is that the adjusting rod and the reinforcing rod are arranged in the grounding device, so that the fixation of the grounding device to the grounding end of the high-voltage isolating switch can be enhanced, the size of a buckle of the grounding end can be adjusted to adapt to the grounding terminals of the high-voltage isolating switches with different specifications, the conductive arm and the conductive core can guide the external power thereof to the ground grabbing end at the bottom end of the insulating bracket through the contact terminal, and the power is guided to the bottom through the grounding device, so that the use safety of the high-voltage isolating switch is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a grounding device of an outdoor isolating switch according to the present invention;

fig. 2 is a schematic structural diagram of an area a of the grounding device of the outdoor disconnector;

fig. 3 is a transverse sectional view of the grounding device of an outdoor disconnector according to the invention;

fig. 4 is a schematic structural diagram of a B region of a grounding device of an outdoor disconnector according to the present invention;

fig. 5 is a schematic structural diagram of a C region of a grounding device of an outdoor disconnector according to the present invention.

Wherein: the structure comprises a grounding column 1, a mounting seat 2, a rotating seat 3, a conductive base 31, a conductive gasket 32, a conductive gripper 33, a clamping seat 34, a first connecting rod 35, a fixed block 36, a connecting seat 4, a mounting plate 41, a damping spring 42, a positioning rod 43, a limiting spring 44, an insulating sheath 45, a buffer spring 46, a buffer seat 47, a grounding device 5, a limiting block 51, a lightning protection block 52, a lightning rod 53, a grounding contact 54, a grounding lead 55, a positioning groove 56, an insulating rubber baffle 57, a reinforcing sheath 58, an insulating bracket 59, an adjusting rod 510, a grounding end buckle 512, a conductive arm 513, a conductive core 514, a contact terminal 515, a grounding lead-in device 6, a grounding end 61, a grounding terminal 62, a grounding terminal 63, a damping seat 64, a second connecting rod 65, a clamping column 66 and a conductive rod body 7.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 5, the technical solution provided by the present invention is: the utility model provides an outdoor isolator's earthing device, including the earthing rod 1, mount pad 2, rotate seat 3, connecting seat 4, earthing device 5 and ground connection gatherer 6, earthing device 5 bottom is equipped with connecting seat 4, connecting seat 4 bottom outer end is equipped with rotates seat 3, it is equipped with mount pad 2 to rotate 3 bottoms of seat, both ends are equipped with earthing rod 1 respectively about mount pad 2, 2 bottoms of mount pad are equipped with ground connection gatherer 6, earthing rod 1 can directly insert the ground or insert the ground through external conductor at the bottom of the ground, guarantee high voltage isolator system normal operating, stabilize the electric wire netting to the ground potential, make the electric wire netting to the ground potential reduce, earthing rod 1 props up mount pad 2, mount pad 2 fixed mounting rotates seat 3, it fixes connecting seat 4 to rotate seat 3, connecting seat 4 top installation earthing device 5, it introduces wherein to be convenient for earthing device 5 with high voltage isolator's earth connection, establish high voltage isolator and this earthing device's connection.

The power signal introduced by the grounding device 5 and the grounding assembly is introduced into the ground through the grounding introduction device 6, so that the current is smoothly introduced into the ground, and the high-voltage isolating switch is protected.

Referring to fig. 4, a mounting plate 41 is arranged at the top end inside the connecting seat 4, a damping spring 42 is arranged at the bottom of the mounting plate 41, a positioning rod 43 is arranged at the bottom of the damping spring 42, a limiting spring 44 is arranged at the bottom of the positioning rod 43, an insulating sheath 45 is arranged at the outer end of the positioning rod 43, buffer springs 46 are respectively arranged at the left end and the right end outside the insulating sheath 45, buffer seats 47 are respectively arranged at the bottom of the buffer springs 46, the damping spring 42 is fixedly mounted on the mounting plate 41, the bottom of the damping spring 42 is connected into the positioning rod 43, the positioning rod 43 is arranged in the insulating sheath 45, the insulating sheath 45 can conveniently guide current into the mounting seat 2 through the positioning rod 43, the positioning rod 43 is matched with the damping action of the limiting spring 44 and the damping spring 42, the influence on the positioning rod 43 and the insulating sheath 45 is reduced when the grounding device 5 moves, the lightning rod 53 can buffer and damp the impact on the lightning rod 53 in the lightning stroke process, meanwhile, the lightning stroke action force of the lightning rod 53 is dispersed and absorbed, the lightning stroke action on the high-voltage isolating switch is realized, and the mounting stability of the lightning rod 53 is ensured.

Referring to fig. 2, two sets of limiting blocks 51 are arranged at the outer ends of the top of the grounding device 5, limiting holes are formed in the centers of the limiting blocks 51, lightning rods 53 are respectively arranged in the limiting holes, lightning protection blocks 52 are respectively arranged at the tops of the lightning rods 53, grounding leads 55 are respectively arranged on the two sides of each lightning rod 53, grounding contacts 54 are respectively arranged at the tops of the grounding leads 55, the bottoms of the lightning rods 53 are connected to the top ends of the fixing blocks 36, the lightning rods 53 are fixedly installed in the limiting blocks 51, the lightning rods 53 reduce the attraction of the grounding device 5 to thunder through the lightning protection blocks 52, the thunder and lightning current connected by the grounding device can be introduced into the ground from the two ends of the grounding column 1 through the grounding contacts 54 and the grounding leads 55, and the influence of thunder and lightning on the high-voltage isolating switch and the grounding device 5 is reduced.

Referring to fig. 3, a reinforcing sheath 58 is disposed on an outer wall of the grounding device 5, an insulating support 59 is disposed on an inner side of the grounding device 5, adjusting rods 510 are disposed on a front side and a rear side of the grounding device 5, grounding end fasteners 512 are disposed on inner sides of the adjusting rods 510, reinforcing rods 511 are disposed on outer ends of the adjusting rods 510, outer ends of the reinforcing rods 511 extend into the insulating support 59, conductive arms 513 are disposed on outer ends of the reinforcing rods 511, conductive cores 514 are disposed between the conductive arms 513, contact terminals 515 are disposed on outer ends of the conductive cores 514, the reinforcing sheath 58 enhances protection of the grounding device 5, reduces damage to the outer wall of the grounding device 5 caused by external pressure and friction, the insulating support 59 fixedly supports internal power components of the grounding device 5, and provides mounting devices for the adjusting rods 510 and the reinforcing rods 511, the adjusting rods 510 fix the grounding end fasteners 512, the size of the adjusting rods 510 can be adjusted by extension and retraction of the grounding end fasteners 512, so that the grounding end fasteners 512 are adapted to high-voltage isolating switches of different specifications, and external power can be guided to ground terminals 61 at the bottom of the high-voltage isolating switch through the grounding device, thereby ensuring safe use of the high-voltage isolating switch.

Referring to fig. 4, a rotation groove is formed in the top end of the mounting seat 2, a limiting device is arranged in the rotation groove, the bottom of the rotation seat 3 is arranged in the rotation groove, fixing seats are respectively arranged at the left end and the right end of the bottom of the rotation seat 3, a conductive base 31 is arranged at the bottom of the fixing seats, a conductive gasket 32 is arranged above the conductive base 31, a conductive gripper 33 is arranged above the conductive gasket 32, a clamping seat 34 is arranged at the top end of the conductive gripper 33, a first connecting rod 35 is arranged at the top end of the clamping seat 34, a fixing block 36 is arranged at the top end of the first connecting rod 35, the inner side of the fixing block 36 is connected with the outer wall of the connecting seat 4, the rotation seat 3 is arranged in the rotation groove, the mounting seat 2 fixes the fixing seats through the limiting device, the conductive base 31 and the conductive gasket 32 can guide currents led into the grounding device 5 through the fixing seats, guide the currents into the grounding post 1 through the grounding post 1, the fixing blocks 36 guide the currents led into the first connecting rod 35 through the lightning arrester 53, the connecting rod 35 guides the currents into the conductive gripper 33 through the first connecting rod 35, a complete current conductor chain is formed, and the lightning currents and the lightning current conductor chain and the overvoltage protection device is formed.

The ground terminal buckle 512 is divided into an upper buckle and a lower buckle, the outer end of the adjusting rod 510 is provided with a buffering elastic cushion, the elastic cushion is arranged in the insulating support 59, and the distance between the buckles at the two ends of the ground terminal buckle 512 can be changed between the telescopic operation of the adjusting rod 510, so that the ground terminal buckle 512 is adaptive to the grounding devices of high-voltage isolating switches with different specifications and sizes.

The inner side of the reinforcing rod 511 is abutted against the grounding end buckle 512, the outer end of the reinforcing rod 511 is respectively embedded into the insulating bracket 59, and the reinforcing rod 511 assists the supporting and position adjusting functions of the adjusting rod 510 to the grounding end buckle 512, so that the stability of the control of the adjusting rod 511 to the grounding end buckle 512 is ensured.

Locating slot 56 is respectively arranged on the inner side of limiting block 51, insulating rubber catch 57 is arranged between locating slots 56, lightning rod 53 is respectively fixed at the center of limiting block 51, lightning rod 53 is fixed by locating slot 56 and auxiliary limiting block 51, and insulating rubber catch 57 can ensure the distance between two groups of locating slots 56, thereby avoiding mutual interference between two adjacent groups of lightning rods 53.

The outer end of the grounding leading-in device 6 is respectively provided with a ground grabbing end 61, the inner side of the ground grabbing end 61 is respectively provided with a grounding terminal 62, the center of the grounding terminal 62 is provided with a damping seat 64, the top end of the damping seat 64 is provided with a grounding seat 63, the left end and the right end of the grounding seat 63 are respectively provided with a connecting rod two 65, the outer end of the connecting rod two 65 is respectively provided with a clamping column 66, the connecting rod two 65 is connected with the ground grabbing end 61 through the clamping column 66, the top of the ground grabbing end 61 is fixedly connected with the bottom of the mounting seat 2, the bottom of the high-voltage isolation grounding device is connected with the grounding column 1 through the clamping column 61, the high-voltage isolation device is installed on the appointed ground through the connecting rod two 65 and the clamping column 66, the damping seat 64 can further guarantee the insulation and the anti-falling performance of ground installation, and the use safety of the high-voltage isolation device is guaranteed.

The outer ends of the grounding ends 61 are respectively provided with a conductive rod body 7, the conductive rod bodies 7 are connected to the grounding column 1, the current introduced by the grounding introduction device 6 is introduced into the grounding column 1 through the conductive rod bodies 7, and the current of the whole high-voltage isolating switch and the grounding device is introduced into the ground through the grounding column 1 in cooperation with the grounding device 5.

The grounding device of the outdoor isolating switch provided by the scheme of the invention can be stably installed at the bottom of the outdoor isolating switch for a long time, the connection between the high-voltage isolating switch and the grounding device is established through the installation seat 2 and the rotating seat 3, the upper end assembly and the lower end assembly of the grounding device are conveniently detached and maintained, the maintenance difficulty of the grounding device is reduced, the stability between the rotating seat 3 and the installation seat 2 can be effectively increased through the connection of the rotating groove and the limiting device, the grounding device 5 can be prevented from being accidentally separated from the installation seat, and the safety performance of the grounding device is improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The grounding device of the outdoor isolating switch comprises a grounding column (1), a mounting seat (2), a rotating seat (3), a connecting seat (4), a grounding device (5) and a grounding lead-in device (6), and is characterized in that the connecting seat (4) is arranged at the bottom of the grounding device (5), the rotating seat (3) is arranged at the outer end of the bottom of the connecting seat (4), the mounting seat (2) is arranged at the bottom of the rotating seat (3), the grounding column (1) is respectively arranged at the left end and the right end of the mounting seat (2), and the grounding lead-in device (6) is arranged at the bottom of the mounting seat (2);

the damping device comprises a connecting seat (4), a damping spring (42), a positioning rod (43), a limiting spring (44), an insulating sheath (45), buffer springs (46) and buffer seats (47), wherein the mounting plate (41) is arranged at the top end inside the connecting seat (4), the damping spring (42) is arranged at the bottom of the mounting plate (41), the positioning rod (43) is arranged at the bottom of the damping spring (43), the limiting spring (44) is arranged at the bottom of the positioning rod (43), the insulating sheath (45) is arranged at the outer end of the positioning rod, the buffer springs (46) are respectively arranged at the left end and the right end of the outer side of the insulating sheath (45), and the buffer seats (47) are respectively arranged at the bottoms of the buffer springs (46);

the lightning protection device is characterized in that two groups of limiting blocks (51) are arranged at the outer end of the top of the grounding device (5), limiting holes are formed in the centers of the limiting blocks (51), lightning rods (53) are respectively arranged in the limiting holes, lightning protection blocks (52) are respectively arranged at the tops of the lightning rods (53), grounding leads (55) are respectively arranged on two sides of each lightning rod (53), grounding contacts (54) are respectively arranged at the tops of the grounding leads (55), and the bottoms of the lightning rods (53) are connected to the top ends of the fixing blocks (36);

wherein, earthing device (5) outer wall is equipped with reinforced sheath (58), earthing device (5) inboard is equipped with insulating support (59), earthing device (5) front and back are equipped with respectively and adjust pole (510), it is equipped with earthing terminal buckle (512) respectively to adjust pole (510) inboard, it is equipped with stiffener (511) respectively to adjust pole (510) outer end, stiffener (511) outer end extends into in insulating support (59), stiffener (511) outer end is equipped with electrically conductive arm (513) respectively, be equipped with between electrically conductive arm (513) and lead electrical core (514), it is equipped with contact terminal (515) respectively to lead electrical core (514) outer end.

2. The grounding device of an outdoor isolating switch according to claim 1, wherein a rotating groove is formed at the top end of the mounting seat (2), a limiting device is arranged in the rotating groove, the bottom of the rotating seat (3) is arranged in the rotating groove, fixing seats are respectively arranged at the left end and the right end of the bottom of the rotating seat (3), a conductive base (31) is arranged at the bottom of the fixing seats, a conductive gasket (32) is arranged above the conductive base (31), a conductive gripper (33) is arranged above the conductive gasket (32), a clamping seat (34) is arranged at the top end of the conductive gripper (33), a first connecting rod (35) is arranged at the top end of the clamping seat (34), a fixing block (36) is arranged at the top end of the first connecting rod (35), and the inner side of the fixing block (36) is connected with the outer wall of the connecting seat (4).

3. The grounding device of an outdoor isolating switch as claimed in claim 1, wherein the grounding terminal buckle (512) is divided into an upper buckle and a lower buckle, the outer end of the adjusting rod (510) is provided with a buffering elastic cushion, and the elastic cushion is arranged in the insulating bracket (59).

4. An outdoor disconnector grounding device according to claim 1, characterized in that the reinforcement bars (511) are arranged inside against the grounding terminal catches (512), and the outer ends of the reinforcement bars (511) are embedded in the insulating brackets (59), respectively.

5. The grounding device of an outdoor isolating switch according to claim 1, characterized in that positioning grooves (56) are respectively formed inside the limiting blocks (51), insulating rubber blocking pieces (57) are arranged between the positioning grooves (56), and a lightning rod (53) is respectively fixed at the center of each limiting block (51).

6. The grounding device of an outdoor isolating switch according to claim 1, wherein the grounding leading-in device (6) is provided at its outer end with a grounding end (61), the grounding end (61) is provided at its inner side with a grounding terminal (62), the grounding terminal (62) is provided at its center with a damping seat (64), the top end of the damping seat (64) is provided with a grounding seat (63), the left and right ends of the grounding seat (63) are provided with two connecting rods (65), the outer ends of the two connecting rods (65) are provided with clamping posts (66), and the two connecting rods (65) are connected with the grounding end (61) through the clamping posts (66).

7. An outdoor disconnector grounding device according to claim 6, characterized in that the outer ends of the ground-holding ends (61) are respectively provided with a conductive rod body (7), and the conductive rod bodies (7) are connected to the grounding pole (1).