CN212849796U

CN212849796U - Lightning arrester for hydropower station

Info

Publication number: CN212849796U
Application number: CN202021617140.0U
Authority: CN
Inventors: 陶荣山
Original assignee: Malipo Hydropower Development Co ltd
Current assignee: Malipo Hydropower Development Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-30
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a hydropower station lightning arrester in the technical field of lightning arresters, which comprises a mounting box, wherein the bottom of the inner cavity of the mounting box is fixedly provided with a bottom plate, the left side of the top of the bottom plate is fixedly provided with a lower fixed block, the right side of the top of the bottom plate is fixedly provided with a motor, the output end of the left side wall of the motor is fixedly connected with a first threaded rod, the right side of the top of the bottom plate is provided with a lower sliding groove, the top of the lower sliding groove is movably assembled with a lower sliding block, the top of the lower sliding block is fixedly provided with a sleeve connecting block, the sleeve connecting block is assembled with the first threaded rod in a threaded manner, the tops of the sleeve connecting block and the lower fixed block are fixedly provided with a scissor type lifting support, the left side and the right side of the top of the scissor type lifting support are fixedly provided with an upper, the utility model provides a problem that lightning arrester is difficult for dismantling and change.

Description

Lightning arrester for hydropower station

Technical Field

The utility model relates to a lightning arrester technical field specifically is a power station lightning arrester.

Background

The lightning arrester is used for protecting high-rise buildings or large-scale electrical equipment from being damaged by high transient overvoltage and limiting current, and is an electrical appliance which can normally limit lead current assignment when limiting current, the lightning arrester is connected between a cable and the ground and is usually connected with protected equipment in parallel, the lightning arrester can effectively protect communication equipment, and once abnormal voltage occurs, the lightning arrester can act to play a role in protection, when the communication cable or equipment operates under normal working voltage, the lightning arrester can not act, the ground is regarded as an open circuit, and once a high voltage occurs and the protected equipment is endangered, the lightning arrester is started immediately, a high voltage surge current is led to the ground, therefore, the voltage amplitude is limited, communication cables and equipment are protected, the existing lightning arrester is troublesome to install, not easy to detach and replace and poor in stability, and therefore the hydropower station lightning arrester is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power station lightning arrester to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydropower station lightning arrester comprises a mounting box, wherein a bottom plate is fixedly arranged at the bottom of an inner cavity of the mounting box, a lower fixed block is fixedly arranged at the left side of the top of the bottom plate, a motor is fixedly arranged at the right side of the top of the bottom plate, a first threaded rod is fixedly connected with the output end of the left side wall of the motor, a lower sliding groove is formed in the right side of the top of the bottom plate, a lower sliding block is movably assembled at the top of the lower sliding groove, a sleeving block is fixedly arranged at the top of the lower sliding block and assembled with the first threaded rod in a threaded manner, a scissor type lifting support is fixedly arranged at the top of the sleeving block and the top of the lower fixed block, an upper fixed block and an upper sliding block are fixedly arranged at the left side and the right side of the top of the scissor type lifting support, a platform is fixedly arranged at the top of the upper fixed, the fixed protection casing that is provided with in top of platform, the fixed unable adjustment base that is provided with in inner chamber bottom of protection casing, the fixed cover in left side of unable adjustment base's top, the fixed bearing frame that is provided with in right side inner wall of protection casing, the bearing frame activity is equipped with the second threaded rod, the left end spiro union of second threaded rod is equipped with the sleeve, telescopic left end fixedly connected with supporting rod, the fixed cover in right side that is provided with in left side of supporting rod, the fixed first fixed block that is provided with in preceding lateral wall right side of the fixed cover in left side, first fixed block spiro union is equipped with the third threaded rod, the fixed second fixed block that is provided with in preceding lateral wall left side of the fixed cover in right side, third threaded rod and second fixed block looks adaptation, the relative one side activity of the fixed cover.

Preferably, the top of the mounting box is provided with an opening, and the length of the opening is larger than the left-right moving range of the scissor type lifting support.

Preferably, the motor is a three-phase alternating current motor, and the motor is electrically connected with an external power supply.

Preferably, the top of the protection shell is provided with an opening, and the length of the opening is the same as the farthest distance between the left fixing sleeve and the right fixing sleeve.

Preferably, the right end of the second threaded rod is fixedly connected with a knob, and the left end of the third threaded rod is fixedly connected with a knob.

Preferably, a sliding groove is formed in the right side of the top of the fixed base and is matched with the bottom of the right fixed sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structural design, when the lightning arrester needs to be replaced or disassembled, a motor at the bottom of the inner cavity of the mounting box is started, the motor rotates a first threaded rod, the first threaded rod rotates to drive a sleeve joint block to move leftwards, the sleeve joint block depends on a lower sliding block to move leftwards through a lower sliding groove, the sleeve joint block moves to drive a scissor type lifting support to ascend, the scissor type lifting support pushes a platform out of the mounting box, a third threaded rod is rotated at the moment, the third threaded rod rotates leftwards through the first fixed block to move, is separated from a second fixed block, releases the locking of a left fixed sleeve and a right fixed sleeve, rotates the second threaded rod, rotates a sleeve to move rightwards to drive a sleeve to move rightwards, is connected with a clamping rod, pulls the right fixed sleeve rightwards, the right fixed sleeve slides rightwards, can replace or disassemble the lightning arrester main, just can be with new lightning-arrest main part fixed mounting once more, the utility model provides a lightning arrester installation trouble, the problem of difficult dismantlement and change.

Drawings

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

fig. 2 is the inside schematic view of the protective casing of the present invention.

In the figure: the lightning arrester comprises a mounting box 1, a bottom plate 2, a lower fixing block 3, a motor 4, a first threaded rod 5, a lower sliding groove 6, a lower sliding block 7, a sleeving block 8, a scissor-type lifting support 9, an upper fixing block 10, an upper sliding block 11, a platform 12, an upper sliding groove 13, a protective shell 14, a fixed base 15, a left fixing sleeve 16, a bearing seat 17, a second threaded rod 18, a sleeve 19, a clamping rod 20, a right fixing sleeve 21, a first fixing block 22, a third threaded rod 23, a second fixing block 24 and a lightning arrester body 25.

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. 1-2, the present invention provides a technical solution: a lightning arrester for a hydropower station comprises a mounting box 1, a bottom plate 2 is fixedly arranged at the bottom of an inner cavity of the mounting box 1, a lower fixed block 3 is fixedly arranged at the left side of the top of the bottom plate 2, a motor 4 is fixedly arranged at the right side of the top of the bottom plate 2, a first threaded rod 5 is fixedly connected to an output end of a left side wall of the motor 4, a lower sliding groove 6 is formed at the right side of the top of the bottom plate 2, a lower sliding block 7 is movably assembled at the top of the lower sliding groove 6, a sleeve connecting block 8 is fixedly arranged at the top of the lower sliding block 7, the sleeve connecting block 8 is in threaded assembly with the first threaded rod 5, a scissor type lifting support 9 is fixedly arranged at the tops of the sleeve connecting block 8 and the lower fixed block 3, an upper fixed block 10 and an upper sliding block 11 are fixedly arranged at the left side and the right side of the top of the scissor type lifting support 9, a, fixed protection casing 14 that is provided with in top of platform 12, the fixed unable adjustment base 15 that is provided with in inner chamber bottom of protection casing 14, the fixed cover 16 that is provided with in top left side of unable adjustment base 15, the fixed bearing frame 17 that is provided with in right side wall of protection casing 14, bearing frame 17 activity is equipped with second threaded rod 18, the left end spiro union of second threaded rod 18 is equipped with sleeve 19, the left end fixedly connected with supporting rod 20 of sleeve 19, the fixed cover 21 in right side that is provided with in left side of supporting rod 20, the fixed first fixed block 22 that is provided with in front side wall right side of the fixed cover 16 in left side, first fixed block 22 spiro union is equipped with third threaded rod 23, the fixed second fixed block 24 that is provided with in front side wall left side of the fixed cover 21 in right side, third threaded rod 23 and the adaptation of second fixed block 24, the.

The top of the mounting box 1 is provided with an opening, the length of the opening is greater than the left-right moving range of the scissor type lifting support 9 during lifting, the scissor type lifting support 9 can move left and right during lifting and descending, and the opening realizes the movement of the device;

the motor 4 is a three-phase alternating current motor, the motor 4 is electrically connected with an external power supply, the three-phase alternating current motor can rotate positively and negatively, and the external power supply provides energy for the motor 4;

the top of the protection shell 14 is provided with an opening, the length of the opening is the same as the farthest distance between the left fixing sleeve 16 and the right fixing sleeve 21, the right fixing sleeve 21 can slide left and right, and the opening provides a space condition for the movement of the right fixing sleeve 21;

the right end of the second threaded rod 18 is fixedly connected with a knob, the left end of the third threaded rod 23 is fixedly connected with a knob, and the knob is convenient for a user to operate the threaded rod;

the sliding groove is formed in the right side of the top of the fixed base 15 and matched with the bottom of the right fixed sleeve 21, and the right fixed sleeve 21 moves left and right through the sliding groove.

The working principle is as follows: when the lightning arrester needs to be replaced or disassembled, a motor 4 at the bottom of an inner cavity of a mounting box 1 is started, the motor 4 rotates a first threaded rod 5, the first threaded rod 5 rotates to drive a sleeving block 8 to move leftwards, the sleeving block 8 moves leftwards through a lower sliding groove 6 by virtue of a lower sliding block, the movement of the sleeving block 8 drives a scissor type lifting support 9 to ascend, the scissor type lifting support 9 pushes a platform 12 out of the mounting box 1, at the moment, a third threaded rod 23 is rotated, the third threaded rod 23 rotates to move leftwards through a first fixing block 22 and is separated from a second fixing block 24, the locking of a left fixing sleeve 16 and a right fixing sleeve 21 is released, the second threaded rod 18 is rotated, the second threaded rod 18 rotates to drive a sleeve 19 to move rightwards, the sleeve 19 is connected with a clamping rod 20, the clamping rod 20 pulls the right fixing sleeve 21 rightwards, the right fixing sleeve 21 slides right, then on one side the operation just before is implemented upside down, just can be with new arrester body 25 fixed mounting once more, the utility model provides a lightning arrester installation trouble, the problem of difficult dismantlement and change.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydropower station lightning arrester, includes mounting box (1), its characterized in that: the bottom of the inner cavity of the mounting box (1) is fixedly provided with a bottom plate (2), the left side of the top of the bottom plate (2) is fixedly provided with a lower fixed block (3), the right side of the top of the bottom plate (2) is fixedly provided with a motor (4), the output end of the left side wall of the motor (4) is fixedly connected with a first threaded rod (5), the right side of the top of the bottom plate (2) is provided with a lower sliding groove (6), the top of the lower sliding groove (6) is movably assembled with a lower sliding block (7), the top of the lower sliding block (7) is fixedly provided with a splicing block (8), the splicing block (8) is assembled with the first threaded rod (5) in a threaded manner, the top of the splicing block (8) and the top of the lower fixed block (3) are fixedly provided with a scissor type lifting support (9), and the left and right sides of the top of the scissor type lifting support (, the fixed platform (12) that is provided with in top of going up fixed block (10), last sliding tray (13) have been seted up on the bottom right side of platform (12), go up sliding tray (13) and upper slide (11) looks movable assembly, the fixed protection casing (14) that is provided with in top of platform (12), the fixed unable adjustment base (15) that is provided with in inner chamber bottom of protection casing (14), the fixed left fixed cover (16) that is provided with in top left side of unable adjustment base (15), the fixed bearing frame (17) that is provided with in right side inboard wall of protection casing (14), bearing frame (17) movable assembly has second threaded rod (18), the left end spiro union of second threaded rod (18) is equipped with sleeve (19), the left end fixedly connected with supporting rod (20) of sleeve (19), the fixed right fixed cover (21) that is provided with in left side of supporting rod (20), the fixed first fixed block (22) that is provided with in preceding lateral wall right side of the fixed cover in a left side (16), first fixed block (22) spiro union is equipped with third threaded rod (23), the fixed second fixed block (24) that is provided with in preceding lateral wall left side of the fixed cover in the right side (21), third threaded rod (23) and second fixed block (24) looks adaptation, the relative one side activity of the fixed cover in a left side (16) and the fixed cover in the right side (21) is equipped with arrester body (25).

2. A hydroelectric station lightning conductor according to claim 1, wherein: the top of the mounting box (1) is provided with an opening, and the length of the opening is larger than the ascending left-right movement range of the scissor type lifting support (9).

3. A hydroelectric station lightning conductor according to claim 1, wherein: the motor (4) is a three-phase alternating current motor, and the motor (4) is electrically connected with an external power supply.

4. A hydroelectric station lightning conductor according to claim 1, wherein: the top of the protection shell (14) is provided with an opening, and the length of the opening is the same as the farthest distance of the left fixing sleeve (16) and the right fixing sleeve (21).

5. A hydroelectric station lightning conductor according to claim 1, wherein: the right end of the second threaded rod (18) is fixedly connected with a knob, and the left end of the third threaded rod (23) is fixedly connected with a knob.

6. A hydroelectric station lightning conductor according to claim 1, wherein: the right side of the top of the fixed base (15) is provided with a sliding groove, and the sliding groove is matched with the bottom of the right fixed sleeve (21).