CN214280675U

CN214280675U - Special bracket for 10kV bus section maintenance switch handcart

Info

Publication number: CN214280675U
Application number: CN202023205860.9U
Authority: CN
Inventors: 张红霞; 贺文利; 李胜; 张晓伟; 高静; 王坤
Original assignee: Shandong Hongqiao New Material Co Ltd
Current assignee: Yunnan Hongtai New Material Co.,Ltd.
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-24
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a special bracket of 10kV generating line section maintenance switch handcart, including switch handcart body, handcart frame, bracket body and supporting seat, the last fixed surface of switch handcart body is provided with the handcart frame, and the inner wall of handcart frame is the equal fixed insulator that is provided with in both sides from top to bottom, the bottom surface of switch handcart body slides and sets up in the inboard of guided way, and the bottom surface fixed connection of guided way in the upper surface of bracket body, the inside of supporting seat is run through and is provided with the threaded rod, and the both sides outer wall of threaded rod all overlaps and is equipped with the slider. This special bracket of 10kV generating line section maintenance switch handcart, after the movable pulley through switch handcart body bottom and the mutual block of slide rail of bracket body, the upset through supporting seat and connecting rod goes up and down bracket body and switch handcart body and handcart frame, prevents to lead to that the handcart frame can't cooperate the installation with switch board inside because of the high difference of each switch board.

Description

Special bracket for 10kV bus section maintenance switch handcart

Technical Field

The utility model relates to a generating line maintenance switch handcart technical field specifically is a special bracket of 10kV generating line section maintenance switch handcart.

Background

The bus-section maintenance switch handcart refers to a mode that a power switch, a transformer switch and a dual-power supply outgoing line switch of a possible incoming side of a 10kV bus section are switched to maintenance when the bus-section maintenance switch handcart is used for a vacuum circuit breaker, and the movable handcart is required to be used for conveying the switch handcart into a power distribution cabinet through the power distribution cabinet facing each power distribution room.

However, the existing distribution room may have inconsistent height of the switch cabinet, and the handcart is not universal, so that part of switch equipment cannot be completely turned to the maintenance state, and the handcart is shaken to the test position, so that certain safety risk exists.

Therefore, we propose a bracket special for a 10kV bus-section overhaul switch handcart so as to solve the problems proposed in the above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special bracket of 10kV generating line section maintenance switch handcart, current distribution room probably exists the cubical switchboard height nonconformity on the existing market that the solution above-mentioned background art provided, and the unable general phenomenon of handcart, lead to partial switchgear can't turn to the maintenance state completely, and shake the handcart to experimental position, there is certain safe risk, when the generating line section is overhauld simultaneously, because of the unable satisfying use of switch handcart quantity, the switch body is withstand voltage, when tests such as switching characteristic, need overturn the switch handcart repeatedly, cause the problem that work efficiency is low and have the operation risk condition.

In order to achieve the above object, the utility model provides a following technical scheme: a special bracket for a 10kV bus section overhauling switch handcart comprises a switch handcart body, a handcart frame, a bracket body and a supporting seat, wherein the handcart frame is fixedly arranged on the upper surface of the switch handcart body, insulators are fixedly arranged on the upper side and the lower side of the inner wall of the handcart frame, an insulating cover is fixedly arranged on the front side of each insulator, a contact arm is fixedly arranged at the front center position of each insulating cover, a plum blossom-shaped contact is fixedly arranged in the middle of the front side of each contact arm, the middle of the handcart frame is fixedly connected to the bottom surface of a fuse, the upper outer wall and the lower outer wall of the fuse are fixedly connected to the outer wall of the insulating cover, limiting baffles are fixedly arranged on the front side and the rear side of the upper surface of the switch handcart body, sliding wheels are fixedly arranged on the front side and the rear side of the bottom surface of the switch handcart body, and a grounding head is fixedly arranged at the bottom center position of the switch handcart body in a penetrating mode, and handcart frame's bottom fixed connection is in limit baffle rear outer wall, the bottom surface of switch handcart body slides and sets up in the inboard of guided way, and the bottom surface fixed connection of guided way in the upper surface of bracket body to the bottom surface middle part both sides of bracket body are articulated to be set up in the bottom of connecting rod, and the bottom of connecting rod runs through and sets up in the inside of supporting seat, and the inside of bracket body runs through the pull rod that sets up through simultaneously and sets up in the inside of switch handcart body, the inside of supporting seat runs through and is provided with the threaded rod, and the both sides outer wall of threaded rod all overlaps and is equipped with the slider to the top surface of slider is articulated to be set up in the bottom of connecting rod, and the fixed gag lever post that is provided with in the upper surface left and right sides of supporting seat, and both ends run through the inside that sets up in the gag lever post about the bracket body simultaneously.

Preferably, the transverse central axis of the switch handcart body and the transverse central axis of the handcart frame are arranged in parallel, the handcart frame is arranged in a C-shaped structure, and the length of the bottom edge of the handcart frame is smaller than that of the switch handcart body.

Preferably, the insulator and the insulating cover and the contact arm and the plum blossom contact are arranged in a one-to-one correspondence manner, and the insulator and the insulating cover and the contact arm and the plum blossom contact are arranged in a transverse coaxial distribution manner.

Preferably, the insulator and the insulating cover with touch the arm and the plum blossom contact between the equal distance evenly set up in the inner wall of handcart frame, and fixed connection is in the upper and lower both sides outer wall of fuse between the insulating cover of handcart frame inner wall upper and lower both sides.

Preferably, the height of guided way is greater than the height of switch handcart body and the high sum of sliding wheel, and the guided way sets up about the vertical central axis symmetric distribution of switch handcart body.

Preferably, the guide rail, the bracket body and the supporting seat are arranged in a transverse coaxial distribution mode, and the maximum lifting length of the guide rail and the maximum lifting length of the bracket body are smaller than the length of the limiting rod.

Compared with the prior art, the beneficial effects of the utility model are that: according to the special bracket for the 10kV bus section overhauling switch handcart, after a sliding wheel at the bottom of a switch handcart body is clamped with a sliding rail of the bracket body, the switch handcart body and a handcart frame are lifted through overturning of a supporting seat and a connecting rod, so that the handcart frame cannot be installed in a matching manner with the inside of a power distribution cabinet due to different heights of the power distribution cabinets;

1. the threaded rod in the supporting seat is rotated to drive the sliding block and the connecting rod, the connecting rod is limited by the supporting seat, the connecting rod drives the bracket body with the hinged top end to ascend and descend vertically, the bracket body is arranged in the limiting rod in a penetrating mode, the bracket body is prevented from deviating during moving, and then the supporting seat is prevented from being arranged on a moving handcart to be assembled;

2. through the mutual slip block of guided way with handcart switch body bottom surface movable pulley and bracket body upper surface for handcart switch body drives the handcart frame that the upper surface passes through limit baffle fixed connection and installs, later carries out work through the fuse of insulating boot both sides and the fuse of bottom.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic side structure view of the handcart frame of the present invention;

FIG. 4 is a schematic side sectional view of the supporting base of the present invention;

fig. 5 is a schematic view of the side mounting structure of the bracket body of the present invention.

In the figure: 1. a switch handcart body; 2. a handcart frame; 3. an insulator; 4. an insulating cover; 5. a contact arm; 6. a tulip contact; 7. a fuse; 8. a limit baffle; 9. a sliding wheel; 10. a grounding head; 11. a guide rail; 12. a bracket body; 13. a connecting rod; 14. a supporting seat; 15. a pull rod; 16. a threaded rod; 17. a slider; 18. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a special bracket for a 10kV bus section overhaul switch handcart comprises a switch handcart body 1, a handcart frame 2, a bracket body 12 and a supporting seat 14, wherein the handcart frame 2 is fixedly arranged on the upper surface of the switch handcart body 1, insulators 3 are fixedly arranged on the upper side and the lower side of the inner wall of the handcart frame 2, an insulating cover 4 is fixedly arranged on the front side of each insulator 3, a contact arm 5 is fixedly arranged at the front central position of each insulating cover 4, a plum blossom contact 6 is fixedly arranged in the middle of the front side of each contact arm 5, the middle of the handcart frame 2 is fixedly connected to the bottom surface of a fuse 7, the upper outer wall and the lower outer wall of the fuse 7 are fixedly connected to the outer wall of each insulating cover 4, limit baffles 8 are fixedly arranged on the front side and the rear side of the upper surface of the switch handcart body 1, sliding wheels 9 are fixedly arranged on the front side and the rear side of the bottom surface of the switch handcart body 1, and a grounding head 10 is fixedly arranged at the central position of the bottom surface of the handcart body 1, the bottom end of the handcart frame 2 is fixedly connected with the outer wall at the rear part of the limit baffle 8, the bottom surface of the handcart body 1 is arranged at the inner side of the guide rail 11 in a sliding way, the bottom surface of the guide rail 11 is fixedly connected with the upper surface of the bracket body 12, and both sides of the middle part of the bottom surface of the bracket body 12 are hinged at the bottom end of the connecting rod 13, and the bottom end of the connecting rod 13 is arranged inside the supporting seat 14 in a penetrating way, meanwhile, the interior of the bracket body 12 is arranged in the switch handcart body 1 in a penetrating way through a through pull rod 15, a threaded rod 16 is arranged in the support seat 14 in a penetrating way, the outer walls of the two sides of the threaded rod 16 are respectively sleeved with a sliding block 17, and the top surface of slider 17 articulates and sets up in the bottom of connecting rod 13, and the upper surface left and right sides of supporting seat 14 is fixed and is provided with gag lever post 18 moreover, and the both ends of controlling of bracket body 12 run through and set up in the inside of gag lever post 18 simultaneously.

The horizontal central axis of switch handcart body 1 and the horizontal central axis of handcart frame 2 set up parallel to each other between, and handcart frame 2 sets up for "C" font structure to the base length of handcart frame 2 is less than the length of switch handcart body 1, prevents that handcart frame 2 length overlength from resulting in the outside collision of switch handcart body 1.

Insulator 3 and insulating boot 4 with touch between arm 5 and the plum blossom contact 6 one-to-one setting, and insulator 3 and insulating boot 4 with touch for horizontal coaxial distribution sets up between arm 5 and the plum blossom contact 6 for can keep apart each other through insulator 3 between the plum blossom contact 6.

Insulator 3 and insulating boot 4 with touch between arm 5 and the plum blossom contact 6 equidistance and evenly set up in the inner wall of handcart frame 2, and fixed connection is in the upper and lower both sides outer wall of fuse 7 between insulating boot 4 of both sides about 2 inner walls of handcart frame for fuse 7 can be with each insulating boot 4 between isolated each other.

The height of guided way 11 is greater than the height of switch handcart body 1 and the high sum of movable pulley 9, and guided way 11 sets up about the vertical center axis symmetric distribution of switch handcart body 1, prevents that switch handcart body 1 can't block in the inside of guided way 11.

The guide rail 11, the bracket body 12 and the supporting seat 14 are arranged in a transverse coaxial distribution mode, the maximum lifting length of the guide rail 11 and the maximum lifting length of the bracket body 12 are smaller than the length of the limiting rod 18, and the height of the bracket body 12 can be adjusted according to the heights of different power distribution cabinets.

The working principle is as follows: before the special bracket for the 10kV bus section overhaul switch handcart is used, the overall condition of the device needs to be checked firstly to determine that the device can normally work, as shown in figures 1-5, when a handcart frame 2 needs to be installed according to power distribution cabinets with different heights, as shown in figures 4-5, a threaded rod 16 penetrating through the inside of a supporting seat 14 is rotated firstly, so that the threaded rod 16 drives a sliding block 17 and a connecting rod 13 hinged to the sliding block to rotate, and meanwhile, due to the limit of the supporting seat 14, the connecting rod 13 drives a bracket body 12 hinged to the top end to ascend and descend vertically;

as shown in fig. 1-3, place switch handcart body 1 and the movable pulley 9 of bottom surface in guided way 11 inboard, make to rotate bracket body 12 that drives the oscilaltion through threaded rod 16 and drive guided way 11 and carry out the oscilaltion, make switch handcart body 1 drive the handcart frame 2 that the upper surface passes through the fixed setting of limit baffle 8 and carry out the oscilaltion, later insulate protection to insulating boot 4 through the insulator of handcart frame 2 inner wall, prevent to cause the injury to the operator electrified after handcart frame 2 contacts with the switch board, later contact the switch board inside through touching arm 5 oneself plum blossom contact 6, prevent through fuse 7 that each plum blossom contact 6 transmits electric power each other.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a special bracket of 10kV generating line section maintenance switch handcart, includes switch handcart body (1), handcart frame (2), bracket body (12) and supporting seat (14), its characterized in that: the upper surface of the switch handcart body (1) is fixedly provided with a handcart frame (2), insulators (3) are fixedly arranged on the upper side and the lower side of the inner wall of the handcart frame (2), an insulating cover (4) is fixedly arranged on the front side of the insulators (3), a contact arm (5) is fixedly arranged at the front central position of the insulating cover (4), a plum blossom contact (6) is fixedly arranged at the front middle part of the contact arm (5), the middle part of the handcart frame (2) is fixedly connected to the bottom surface of a fuse (7), the upper outer wall and the lower outer wall of the fuse (7) are fixedly connected to the outer wall of the insulating cover (4), limiting baffles (8) are fixedly arranged on the front side and the rear side of the upper surface of the switch handcart body (1), sliding wheels (9) are fixedly arranged on the front side and the rear side of the bottom surface of the switch handcart body (1), and a grounding head (10) is fixedly arranged at the bottom central position of the switch handcart body (1), and the bottom fixed connection of handcart frame (2) is in limit baffle (8) rear outer wall, the bottom surface of switch handcart body (1) slides and sets up in the inboard of guided way (11), and the bottom surface fixed connection of guided way (11) is in the upper surface of bracket body (12), and the articulated bottom surface middle part both sides that set up in connecting rod (13) of bracket body (12), and the bottom of connecting rod (13) runs through the inside that sets up in supporting seat (14), and the inside of bracket body (12) runs through the inside that sets up in switch handcart body (1) through pull rod (15) that runs through the setting up simultaneously, the inside of supporting seat (14) is run through and is provided with threaded rod (16), and the both sides outer wall of threaded rod (16) all overlaps and is equipped with slider (17), and the articulated bottom that sets up in connecting rod (13) of top surface of slider (17), and the upper surface left and right sides of supporting seat (14) is fixed and is provided with gag lever post (18), meanwhile, the left end and the right end of the bracket body (12) are arranged in the limiting rod (18) in a penetrating mode.

2. The special bracket for 10kV bus-section overhaul switch handcart according to claim 1, characterized in that: the handcart switch is characterized in that the transverse central axis of the switch handcart body (1) and the transverse central axis of the handcart frame (2) are arranged in parallel, the handcart frame (2) is arranged in a C-shaped structure, and the length of the bottom edge of the handcart frame (2) is smaller than that of the switch handcart body (1).

3. The special bracket for 10kV bus-section overhaul switch handcart according to claim 1, characterized in that: insulator (3) and insulating boot (4) with touch between arm (5) and the plum blossom contact (6) one-to-one setting, and insulator (3) and insulating boot (4) with touch for horizontal coaxial distribution setting between arm (5) and the plum blossom contact (6).

4. The special bracket for 10kV bus-section overhaul switch handcart according to claim 1, characterized in that: insulator (3) and insulating boot (4) with touch between arm (5) and the plum blossom contact (6) equidistance and evenly set up in the inner wall of handcart frame (2), and both sides insulating boot (4) are fixed connection in the upper and lower both sides outer wall of fuse (7) respectively about handcart frame (2) inner wall.

5. The special bracket for 10kV bus-section overhaul switch handcart according to claim 1, characterized in that: the height of guided way (11) is greater than the height of switch handcart body (1) and the high sum of sliding wheel (9), and guided way (11) set up about the vertical central axis symmetric distribution of switch handcart body (1).

6. The special bracket for 10kV bus-section overhaul switch handcart according to claim 1, characterized in that: the guide rail (11), the bracket body (12) and the supporting seat (14) are transversely and coaxially distributed, and the maximum lifting length of the guide rail (11) and the maximum lifting length of the bracket body (12) are both smaller than the length of the limiting rod (18).