CN218826814U

CN218826814U - SF6 gas density relay convenient to loading and unloading

Info

Publication number: CN218826814U
Application number: CN202223122287.4U
Authority: CN
Inventors: 种佳丽; 赵磊; 刘天宇; 冯汝明; 赵俊
Original assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Current assignee: Inner Mongolia Electric Power Research Institute of Inner Mongolia Power Group Co Ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-07
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a SF6 gas density relay convenient to loading and unloading belongs to gas density relay technical field, including the relay urceolus, the rear side of relay urceolus is provided with the back lid, the chamber has been seted up to the inside of relay urceolus and has been placed, the fixed solid section of thick bamboo of U type that is provided with in inner wall rear end of placing the chamber, the inner wall of the solid fixed section of thick bamboo of U type is provided with the internal thread, the fixed connecting cylinder that is provided with of front end of back lid, the fixed fixing base that is provided with of front end inner wall of relay urceolus, the fixing base front end is provided with the calibrated scale, the rear end of back lid sets up threaded hole, the front end of screw hole rotates and is provided with the switching seat, the fixed stripper plate that is provided with of front end of switching seat. Therefore, the purposes of quick disassembly and stabilization of the components can be achieved.

Description

SF6 gas density relay convenient to loading and unloading

Technical Field

The utility model relates to a density relay especially relates to a SF6 gas density relay convenient to loading and unloading, belongs to density relay technical field.

Background

With the maturity and development of power systems, SF6 electrical equipment is widely used in electrical systems. The role of the SF6 gas in the high-voltage electrical equipment is to extinguish and insulate the arc, and the reduction of the density of the SF6 gas in the high-voltage electrical equipment will seriously affect the safe operation of the SF6 high-voltage electrical equipment. Therefore, grid operating regulations mandate that the density of SF6 gas must be periodically detected both before and during commissioning of the equipment, and that a gas density relay can be generally installed on SF6 electrical equipment (e.g., a circuit breaker) to detect changes in the density of SF6 gas.

The patent of current patent number (CN 213070999U) has proposed SF6 gas density relay, calibrating device is carried out online calibration to its device joinable, the connecting piece has axial and radial installation two kinds of modes, can deal with the not enough problem of on-the-spot installation space, be equipped with digital interface on the connecting piece, it is required to reserve future intelligent monitoring transformation, can external other equipment, improve SF6 gas density relay function, but its device lacks the structure of quick dismantlement and maintenance, to above-mentioned problem the utility model relates to a SF6 gas density relay convenient to loading and unloading makes things convenient for people to use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a SF6 gas density relay convenient to loading and unloading, this SF6 gas density relay convenient to loading and unloading can realize making things convenient for maintenance personal to dismantle fast and maintain the component of inside, has solved and has dismantled comparatively loaded down with trivial details technical problem among the prior art.

In order to solve the problems, the following technical scheme is provided:

the SF6 gas density relay convenient to assemble and disassemble comprises an outer relay cylinder, wherein a rear cover is arranged on the rear side of the outer relay cylinder, a placing cavity is formed in the outer relay cylinder, a U-shaped fixing cylinder is fixedly arranged at the rear end of the inner wall of the placing cavity, internal threads are arranged on the inner wall of the U-shaped fixing cylinder, a connecting cylinder is fixedly arranged at the front end of the rear cover, a fixing seat is fixedly arranged on the inner wall of the front end of the outer relay cylinder, and a dial is arranged at the front end of the fixing seat;

the rear end of the rear cover is provided with a threaded hole, the front end of the threaded hole is rotatably provided with a switching seat, and the front end of the switching seat is fixedly provided with an extrusion plate.

Furthermore, the outer wall of the front end of the connecting cylinder is provided with an external thread, and the external thread is meshed with the internal thread.

Furthermore, a protruding block is fixedly arranged at the rear end of the dial, a clamping hole is formed in the front end of the fixing seat, and the rear end of the protruding block is clamped into the clamping hole.

Further, the fixed mounting panel that is provided with of front end inner wall of relay urceolus, the front end of relay urceolus is provided with the safety cover, the draw-in groove has all been seted up to the safety cover both sides.

Furthermore, the protective cover is clamped into the inner part of the outer cylinder of the relay, and the mounting plate is clamped into the clamping groove.

Furthermore, a rotating block is fixedly arranged at the rear end of the bolt.

Further, the lower extreme of relay urceolus is fixed and is provided with the installed part.

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

1. the utility model discloses, through being provided with the structure of dismantling back lid and front end safety cover fast, when later stage operating personnel need to maintain the connecting piece of inside, can be fast dismantle relay and back lid and maintain the inside, it is more convenient to use, swift;

2. the utility model discloses, through being provided with the structure that can adjust the elasticity fixed to internal components and parts, can make the stripper plate move through rotating the turning block to reach the pressurization to components and parts firm, place and appear that the internal original paper takes the place of moving, the damaged condition takes place;

specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, which specify the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope. The embodiments of the invention include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic diagram of an overall structure of an SF6 gas density relay convenient to assemble and disassemble according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of an SF6 gas density relay according to the present invention, which is easy to assemble and disassemble;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is an enlarged view at B in fig. 2.

In the figure: 1. an outer relay cylinder; 2. a rear cover; 3. a placement chamber; 4. a U-shaped fixed cylinder; 5. an internal thread; 6. a connecting cylinder; 7. an external thread; 8. a fixed seat; 9. a dial scale; 10. a bump; 11. a clamping hole; 12. mounting a plate; 13. a protective cover; 14. a card slot; 15. a threaded hole; 16. a bolt; 17. a transfer seat; 18. a pressing plate; 19. rotating the block; 20. a mounting member.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, the SF6 gas density relay convenient to assemble and disassemble provided in this embodiment includes a relay outer cylinder 1, a rear cover 2 is disposed at the rear side of the relay outer cylinder 1, a placement cavity 3 is disposed inside the relay outer cylinder 1, the placement cavity 3 is used for placing components, an inner wall of a U-shaped fixing cylinder 4,U type fixing cylinder 4 is fixedly disposed at the rear end of the inner wall of the placement cavity 3, an internal thread 5 is disposed on the inner wall, the internal thread 5 is matched with an external thread 7, a connecting cylinder 6 is fixedly disposed at the front end of the rear cover 2, a fixing seat 8 is fixedly disposed at the inner wall of the front end of the relay outer cylinder 1, and a dial 9 is disposed at the front end of the fixing seat 8;

the rear end of the rear cover 2 is provided with a threaded hole 15, the front end of the threaded hole 15 is rotatably provided with an adapter 17, the front end of the adapter 17 is fixedly provided with a squeezing plate 18,

in this embodiment, as shown in figures 1-4,

preferably, the outer wall of the front end of the connecting cylinder 6 is provided with an external thread 7, and the external thread 7 is meshed with the internal thread 5.

Preferably, the rear end of the dial 9 is fixedly provided with a projection 10, the front end of the fixing seat 8 is provided with a clamping hole 11, the clamping hole 11 facilitates clamping of the projection 10, and the rear end of the projection 10 is clamped into the clamping hole 11, so that the dial 9 is installed.

Preferably, the inner wall of the front end of the outer relay cylinder 1 is fixedly provided with a mounting plate 12, the front end of the outer relay cylinder 1 is provided with a protective cover 13, and two sides of the protective cover 13 are provided with clamping grooves 14.

Preferably, the protective cap 13 is snapped into the interior of the relay outer cartridge 1 and the mounting plate 12 is snapped into the interior of the snap groove 14.

Preferably, a rotating block 19 is fixedly disposed at the rear end of the bolt 16, and the rotating block 19 is used for driving the bolt 16 to rotate.

Preferably, the mounting member 20 is fixedly disposed at the lower end of the relay outer cylinder 1.

The utility model discloses an application principle and use flow: when needing 1 mechanical energy maintenance work to the relay urceolus, rotate back lid 2, drive connecting cylinder 6 and rotate, thereby drive external screw thread 7 and the separation of internal thread 5, thereby dismantle back lid 2, will place the inside components and parts in chamber 3 and take out the maintenance, when needs are changed safety cover 13, dismantle safety cover 13, the draw-in groove 14 and the mounting panel 12 with new safety cover 13 stabilize the joint, realize the installation, close the back, rotate turning block 19, thereby drive bolt 16 and rotate, thereby it is fixed to drive stripper plate 18 and push away the unit gas spare, the condition that components and parts rocked can not appear takes place.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention has been described in connection with specific embodiments, but it should be clear to a person skilled in the art that these descriptions are intended to be illustrative and not limiting to the scope of the invention. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.

Claims

1. The SF6 gas density relay convenient to assemble and disassemble is characterized by comprising a relay outer cylinder (1), wherein a rear cover (2) is arranged on the rear side of the relay outer cylinder (1), a placing cavity (3) is formed in the relay outer cylinder (1), a U-shaped fixing cylinder (4) is fixedly arranged at the rear end of the inner wall of the placing cavity (3), an internal thread (5) is arranged on the inner wall of the U-shaped fixing cylinder (4), a connecting cylinder (6) is fixedly arranged at the front end of the rear cover (2), a fixing seat (8) is fixedly arranged on the inner wall of the front end of the relay outer cylinder (1), and a dial (9) is arranged at the front end of the fixing seat (8);

the rear cover is characterized in that a threaded hole (15) is formed in the rear end of the rear cover (2), an adapter (17) is rotatably arranged at the front end of the threaded hole (15), and a squeezing plate (18) is fixedly arranged at the front end of the adapter (17).

2. An SF6 gas density relay convenient for handling as in claim 1 wherein the front end outer wall of said connection barrel (6) is provided with an external thread (7), said external thread (7) engaging with the internal thread (5).

3. SF6 gas density relay convenient for loading and unloading as in claim 1, wherein a projection (10) is fixed at the rear end of the dial (9), a clamping hole (11) is opened at the front end of the fixed base (8), and the rear end of the projection (10) is clamped into the clamping hole (11).

4. The SF6 gas density relay convenient for loading and unloading of claim 1, wherein a mounting plate (12) is fixedly arranged on the inner wall of the front end of the outer relay cylinder (1), a protective cover (13) is arranged on the front end of the outer relay cylinder (1), and clamping grooves (14) are formed in two sides of the protective cover (13).

5. An SF6 gas density relay convenient for handling as claimed in claim 4 wherein the shield (13) is snapped into the interior of the relay outer barrel (1) and the mounting plate (12) is snapped into the interior of the snap groove (14).

6. An SF6 gas density relay convenient for handling as in claim 1 wherein a turning block (19) is fixedly arranged at the rear end of the bolt (16).

7. SF6 gas density relay easy to assemble and disassemble according to claim 1, wherein the lower end of the outer relay cylinder (1) is fixedly provided with a mounting piece (20).