CN213340754U

CN213340754U - Electrical equipment grounding device of hydraulic power plant

Info

Publication number: CN213340754U
Application number: CN202022610954.8U
Authority: CN
Inventors: 何沁旋
Original assignee: Sichuan Huadian Mulihe Hydro Power Development Co ltd
Current assignee: Sichuan Huadian Mulihe Hydro Power Development Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-01
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses an electrical equipment earthing device of hydroelectric power plant, including earthing rod main part and ground connection jumper wire, the activity is provided with the ground connection mounting panel in the earthing rod main part, and the top fixed mounting of earthing rod main part has the protection apron, is provided with the trigger unit between ground connection mounting panel and the protection apron, and the trigger unit is assembled for the audible-visual annunciator action that triggers the setting of protection apron top when the ground connection jumper wire receives the exogenic action. This electrical equipment earthing device of water power plant can install the ground connection mounting panel in the earth bar main part to install the ground connection jumper wire of a plurality of quantity on the ground connection mounting panel, not only can make several equipment ground connection simultaneously, the subsequent work of demolising of still being convenient for, through protection apron protection ground connection mounting panel simultaneously, and when the ground connection jumper wire received the exogenic action, start audible-visual annunciator through the trigger element and send the warning, and the follow-up maintainer of being convenient for inspects and maintenance work.

Description

Electrical equipment grounding device of hydraulic power plant

Technical Field

The utility model relates to an electrical equipment technical field specifically is an electrical equipment earthing device of hydroelectric power plant.

Background

A hydraulic power plant is a plant which converts potential energy and kinetic energy of water into electric energy, and the basic production process of the hydraulic power plant is as follows: water is drawn from a river high place or other reservoirs, the water turbine is driven to rotate by the pressure or the flow velocity of water, the gravitational potential energy and the kinetic energy are converted into mechanical energy, then the water turbine drives the generator to rotate, the mechanical energy is converted into electric energy, a power system of a hydraulic power plant is provided with a large number of generators, transformers, power lines, circuit breakers and other equipment, and the equipment must be well grounded when in use in order to guarantee safe production.

The existing equipment grounding mode is mostly characterized in that a grounding point and a grounding grid on an equipment shell are welded integrally by using a grounding wire, the connecting mode is quite rigid, when the equipment is required to be shifted, the grounding wire is not convenient to detach and adjust, and meanwhile, when the welding point is loosened by external force, a warning unit is absent, the worker cannot be reminded of timely maintenance work, and safety accidents are caused when the equipment is subjected to electric leakage in the subsequent operation process.

In order to solve the above problems, innovative design is urgently needed on the basis of the original electrical equipment grounding device of the hydraulic power plant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical equipment earthing device of hydroelectric power plant to it is not convenient for dismantle the adjustment and when the welding point receives external force and not hard up, lacks the problem of warning unit to propose current equipment ground connection connected mode among the above-mentioned background art to solve.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electrical equipment earthing device of hydroelectric power plant, includes ground pole main part and ground connection jumper wire, the activity is provided with the ground connection mounting panel in the ground pole main part, the top fixed mounting of ground pole main part has the protection apron, be provided with trigger unit between ground connection mounting panel and the protection apron, trigger unit is assembled for when the ground connection jumper wire receives external force the action of triggering the audible-visual annunciator that the protection apron top set up.

Preferably, the trigger unit includes trigger post, backup pad, goes up pressure spring and last fixture block, the protection apron is adjacent set up the recess that is circumference and distributes on the outer wall of ground connection mounting panel one side, trigger post fixed mounting in on the inner wall of protection apron recess, backup pad fixed mounting in the bottom of trigger post, go up pressure spring fixed mounting in the bottom of backup pad, go up fixture block fixed mounting in the bottom of going up the pressure spring.

Preferably, the trigger unit further comprises a lower pressure spring and a lower clamping block, the lower pressure spring is circumferentially installed on the grounding installation plate, and the lower clamping block is fixedly installed at the top end of the lower pressure spring and forms a clamping structure with the upper clamping block.

Preferably, side mounting holes are symmetrically formed in the grounding rod main body, a grounding mounting block is arranged in the middle of the grounding mounting plate, and a grounding bolt used for fixedly mounting the grounding mounting block on the grounding rod main body is arranged in each side mounting hole.

Preferably, threaded rods distributed in the circumferential direction are arranged on the grounding mounting plate, and the grounding jumper is sleeved on the threaded rods and is kept in a fixed state through nuts arranged on the threaded rods.

Preferably, the top of the grounding rod main body is symmetrically provided with an upper mounting hole, and a cover plate bolt for fixing the protection cover plate is arranged in the upper mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this electrical equipment earthing device of water power plant can install the ground connection mounting panel in the grounding rod main part to install a plurality of quantity's ground connection jumper on the ground connection mounting panel, not only can make several equipment ground connection simultaneously, can also follow-up when demolising certain equipment, convenient and fast demolishs its ground connection jumper.

2. This electrical equipment earthing device of water power plant can be through the ground connection jumper connection point of installation on the protection apron protection ground connection mounting panel to when ground connection jumper receives the exogenic action, start the audible-visual annunciator through the trigger unit and send the warning, and the follow-up maintainer of being convenient for carries out inspection and maintenance work.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

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

fig. 2 is a schematic view of the overall structure of the grounding mounting plate of the present invention;

FIG. 3 is a schematic front sectional view of the present invention;

fig. 4 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the figure: 1. a ground rod main body; 2. a grounding mounting plate; 3. a ground jumper; 4. a protective cover plate; 5. a trigger unit; 6. an audible and visual alarm; 7. a trigger post; 8. a support plate; 9. an upper pressure spring; 10. an upper clamping block; 11. a lower pressure spring; 12. a lower clamping block; 13. a side mounting hole; 14. a ground mounting block; 15. a ground bolt; 16. a threaded rod; 17. a nut; 18. an upper mounting hole; 19. and a cover plate bolt.

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.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-4, the present invention provides a technical solution: an electrical equipment grounding device of a hydraulic power plant comprises a grounding rod main body 1 and a grounding jumper 3, wherein a grounding mounting plate 2 is movably arranged on the grounding rod main body 1, a protective cover plate 4 is fixedly arranged on the top of the grounding rod main body 1, a trigger unit 5 is arranged between the grounding mounting plate 2 and the protective cover plate 4, the trigger unit 5 is assembled to trigger an audible and visual alarm 6 arranged on the top of the protective cover plate 4 to act when the grounding jumper 3 is acted by external force, the grounding mounting plate 2 can be arranged on the grounding rod main body 1 by the structural design, a plurality of grounding jumpers 3 are arranged on the grounding mounting plate 2, a plurality of pieces of equipment can be grounded simultaneously, the grounding jumper 3 can be conveniently and quickly dismounted when certain equipment is dismounted subsequently, and meanwhile, the connecting point of the grounding jumper 3 arranged on the grounding mounting plate 2 can be protected by the protective cover plate 4, when the grounding jumper 3 is acted by external force, the audible and visual alarm 6 is started through the trigger unit 5 to give out warning, and subsequent maintenance personnel can conveniently carry out inspection and maintenance work.

As shown in fig. 1 and 4, the utility model discloses among the further provided technical scheme, trigger unit 5 is including triggering post 7, a supporting plate 8, go up pressure spring 9 and last fixture block 10, set up the recess that is circumference distribution on the outer wall of 2 one sides of the adjacent ground connection mounting panel of protection apron 4, trigger post 7 fixed mounting on the inner wall of 4 recesses of protection apron, 8 fixed mounting in the bottom of triggering post 7 in the backup pad, go up pressure spring 9 fixed mounting in the bottom of backup pad 8, go up fixture block 10 fixed mounting in the bottom of last pressure spring 9, foretell structural design is convenient for go up fixture block 10 and closely laminate in ground connection jumper 3 under the effort of last pressure spring 9, and take last pressure spring 9 and the backup pad 8 that fixture block 10 connects to apply effort in triggering post 7 when ground connection jumper 3 receives the exogenic action, and trigger audible-visual alarm 6 after making triggering post 7 fracture.

The triggering unit 5 further comprises a lower pressure spring 11 and a lower clamping block 12, the lower pressure spring 11 is circumferentially installed on the grounding installation plate 2, the lower clamping block 12 is fixedly installed at the top end of the lower pressure spring 11 and forms a clamping structure with the upper clamping block 10, and the lower clamping block 12 is tightly attached to the grounding jumper wire 3 under the action force of the lower pressure spring 11 due to the structural design.

As further shown in fig. 3, it can be seen that, in some embodiments, preferably, the grounding rod body 1 is symmetrically provided with side mounting holes 13, the grounding mounting block 14 is disposed in the middle of the grounding mounting plate 2, and the grounding bolts 15 for fixedly mounting the grounding mounting block 14 on the grounding rod body 1 are disposed in the side mounting holes 13, and the above-mentioned structural design facilitates the fixed mounting of the grounding mounting block 14 on the grounding rod body 1 by using the grounding bolts 15 after the grounding mounting block 14 is sleeved on the grounding rod body 1.

The utility model discloses among the further technical scheme that provides, be provided with the threaded rod 16 that is circumference distribution on the ground connection mounting panel 2, ground connection jumper 3 cup joints on threaded rod 16 to nut 17 through setting up on the threaded rod 16 keeps the stationary state, and foretell structural design is convenient for use nut 17 to be fixed in threaded rod 16 with ground connection jumper 3 after cup jointing on threaded rod 16 with ground connection jumper 3 on.

Furthermore, the utility model discloses in, the top symmetry of earthing rod main part 1 has been seted up and has been gone up mounting hole 18, goes up and is provided with the apron bolt 19 that is used for fixed protection cover plate 4 in the mounting hole 18, and foretell structural design convenient to use apron bolt 19 will protect the apron 4 to install on earthing rod main part 1.

The working principle is as follows: when the device is used, as shown in figures 1-4, firstly, a grounding rod body 1 is driven into the ground, then a grounding installation block 14 is sleeved on the grounding rod body 1 and fixedly installed on the grounding rod body 1 by using a grounding bolt 15, at this time, a grounding jumper 3 on the device can be sleeved on a threaded rod 16, the grounding jumper 3 is lapped on a lower clamping block 12, meanwhile, the grounding jumper 3 is fixed on the threaded rod 16 by using a nut 17, after the grounding jumper 3 is installed, a protective cover plate 4 can be installed on the grounding rod body 1 by using a cover plate bolt 19, an upper clamping block 10 is clamped on the grounding jumper 3, when the grounding jumper 3 drives an upper pressure spring 9 and a support plate 8 which are connected with the upper clamping block 10 under the action of external force to apply acting on a trigger post 7, and an audible and visual alarm 6 is triggered after the trigger post 7 is fractured so as to remind field personnel, the connection of the grounding jumper 3 is prevented from being further damaged, and the maintenance work of subsequent maintenance personnel is facilitated.

This last pressure spring 9 and the lower pressure spring 11 mentioned, its elastic coefficient accords with the technical requirement of the utility model discloses technical scheme.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It will be appreciated by those skilled in the art that other similar connections may be used to implement the present invention. Such as welding, bonding, or screwing.

The above embodiments are merely exemplary embodiments of the present invention, which is not intended to limit the present invention, and the scope of the present invention is defined by the appended claims. Various modifications and equivalents may be made by those skilled in the art to the present invention without departing from the spirit and scope of the invention, and such modifications and equivalents should be considered to be within the scope of the invention.

Claims

1. The utility model provides an electrical equipment earthing device of hydroelectric power plant, includes earthing rod main part (1) and ground connection jumper wire (3), its characterized in that:

the grounding rod is characterized in that a grounding mounting plate (2) is movably arranged on the grounding rod main body (1), a protective cover plate (4) is fixedly mounted at the top of the grounding rod main body (1), a trigger unit (5) is arranged between the grounding mounting plate (2) and the protective cover plate (4), and the trigger unit (5) is assembled to act as the grounding jumper (3) to trigger an audible and visual alarm (6) arranged at the top of the protective cover plate (4) to act under the action of external force.

2. An electrical equipment earthing device for a hydraulic power plant according to claim 1, characterized in that: trigger unit (5) including triggering post (7), backup pad (8), go up pressure spring (9) and go up fixture block (10), it is adjacent to protect apron (4) set up the recess that is circumference and distributes on the outer wall of ground connection mounting panel (2) one side, trigger post (7) fixed mounting in on the inner wall of protection apron (4) recess, backup pad (8) fixed mounting in the bottom of triggering post (7), go up pressure spring (9) fixed mounting in the bottom of backup pad (8), go up fixture block (10) fixed mounting in the bottom of last pressure spring (9).

3. An electrical equipment earthing device for a hydraulic power plant according to claim 2, characterized in that: trigger unit (5) still include pressure spring (11) and fixture block (12) down, be circumferential direction on ground connection mounting panel (2) and install pressure spring (11) down, fixture block (12) fixed mounting in the top of pressure spring (11) down, and with go up fixture block (10) constitution block structure.

4. An electrical equipment earthing device for a hydraulic power plant according to claim 1, characterized in that: side mounting holes (13) have been seted up to the symmetry on earthing rod main part (1), the middle part of ground connection mounting panel (2) is provided with ground connection installation piece (14), be provided with in side mounting hole (13) be used for with ground connection installation piece (14) fixed mounting in earthing bolt (15) on earthing rod main part (1).

5. An electrical equipment earthing device for a hydraulic power plant according to claim 1, characterized in that: threaded rods (16) which are circumferentially distributed are arranged on the grounding mounting plate (2), and the grounding jumper (3) is sleeved on the threaded rods (16) and is kept in a fixed state through nuts (17) arranged on the threaded rods (16).

6. An electrical equipment earthing device for a hydraulic power plant according to claim 1, characterized in that: the top of the grounding rod main body (1) is symmetrically provided with upper mounting holes (18), and cover plate bolts (19) used for fixing the protection cover plate (4) are arranged in the upper mounting holes (18).