CN213905829U

CN213905829U - Standardized large-current SF6 insulated switch connecting equipment

Info

Publication number: CN213905829U
Application number: CN202022142196.1U
Authority: CN
Inventors: 童体粱
Original assignee: Siegama Electric Zhuhai Co ltd
Current assignee: Siegama Electric Zhuhai Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-08-06
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a standardized heavy current SF6 insulation switch connecting device mainly includes fixed extension spring, aluminium lid, supports cover, connecting rod, sleeve pipe, retainer plate, copper sheet and fixed cover, the sleeve pipe middle part is provided with the horn hole, the inboard middle part of sleeve pipe is located narrow inner wall department fixed mounting and has fixed cover, and fixed cover is controlled both ends outside cover and is established and install and support the cover, supports the cover and is located between fixed cover outer wall and the cover inside pipe wall, support cover lateral part and fixed cover outer wall and cover inside pipe wall in close contact with, fixed cover inboard middle part fixed mounting has the retainer plate, and retainer plate middle part outer wall fixed mounting has the copper sheet that the symmetry set up, both ends fixed mounting has the connecting rod that the equidistance was arranged the material about the retainer plate, connecting rod tip lateral wall and retainer plate tip lateral wall fixed connection. The utility model discloses structurally the design is simple reasonable, and easy to assemble reduces contact resistance, uses convenient and fast, and the practicality is very high.

Description

Standardized large-current SF6 insulated switch connecting equipment

Technical Field

The utility model relates to a cable connector specifically is a standardized heavy current SF6 insulated switch jointing equipment.

Background

The ring main unit is an electrical device, the external line of the ring main unit firstly enters a main control switch in the ring main unit, then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, and also high-voltage chamber and low-voltage chamber switch cabinets, high-voltage buses, such as power plants, and the like, and low-frequency load shedding for protecting main equipment. The ring main unit is mainly used for opening and closing, controlling and protecting electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The ring main unit can be internally provided with various electrical elements such as a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor and a protection device, so that the ring main unit can be suitable for various different occasions such as a power plant, a transformer substation, petrochemical industry, metallurgy steel rolling, light industrial textile, factory and mining enterprises, residential quarters, high-rise buildings and the like.

Because these structures and functions of looped netowrk cabinet, so the cabinet type that the looped netowrk cabinet needs is various, if can have one kind and make things convenient for heavy current SF6 insulated switchgear to connect equipment, reduces the contact resistance between the SF6 insulated switchgear to reduce the accident because of burning out equipment because of the contact resistance that produces between the connected equipment between the cabinet. The connecting equipment is convenient to install, and the production efficiency during production and installation is improved.

Accordingly, one skilled in the art provides a standardized high current SF6 insulated switchgear that solves the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a standardized heavy current SF6 insulated switchgear connecting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a standardized large-current SF6 insulation switch connecting device mainly comprises a fixed tension spring, an aluminum cover, a supporting sleeve, a connecting rod, a sleeve, a fixing ring, a copper sheet and a fixing sleeve, wherein the middle part of the sleeve is provided with a horn hole, the middle part of the inner side of the sleeve is fixedly provided with the fixing sleeve at a narrow inner wall, the outer side sleeves of the left and right ends of the fixing sleeve are provided with the supporting sleeve, the supporting sleeve is positioned between the outer wall of the fixing sleeve and the inner wall of the sleeve, the side part of the supporting sleeve is in close contact with the outer wall of the fixing sleeve and the inner wall of the sleeve, the middle part of the inner side of the fixing sleeve is fixedly provided with the fixing ring, the outer wall of the middle part of the fixing ring is fixedly provided with the symmetrically arranged copper sheet, the left and right ends of the fixing ring are fixedly provided with the connecting rod with equidistant material discharge, the end part side wall of the connecting rod is fixedly connected with the end part side wall of the fixing ring, the outer wall of the copper sheet is fixedly connected with the outer wall of the connecting rod, the end part of the connecting rod is provided with the fixed tension spring, the quantity of fixed extension spring is four at least, fixed cover tip is provided with the aluminum plate flange, and the aluminum plate flange encloses with fixed cover inner wall and establishes and form annular mounting groove, fixed cover is located aluminum plate flange department joint and installs the aluminium lid, connecting rod tip and aluminium lid in close contact with.

As a further aspect of the present invention: the outer side wall of the copper sheet is plated with a silver conducting layer.

As a further aspect of the present invention: the connecting rod is located the opening position of fixed cover and is provided with oblique direction head, the connecting rod is located the tip and has seted up the spring mounting groove with fixed extension spring complex.

As a further aspect of the present invention: the sleeve pipe outside middle part is provided with outer operation groove, the outer wall that the sleeve pipe is located outer operation groove department is provided with annular arch.

As a further aspect of the present invention: the joint groove has been seted up to the relative side edge department outer wall of connecting rod, and joint groove lateral wall adopts mild radian.

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

the utility model discloses structurally the design is simple reasonable, and easy to assemble reduces contact resistance, uses convenient and fast, and the practicality is very high.

Drawings

Fig. 1 is a schematic cross-sectional view of a standardized high current SF6 insulated switchgear connection apparatus.

Fig. 2 is a side view of a standardized high current SF6 insulated switchgear connection apparatus.

Fig. 3 is a schematic cross-sectional view of the right end of a standardized high current SF6 insulated switchgear.

In the figure: the device comprises a fixed tension spring 1, an aluminum cover 2, a support sleeve 3, a connecting rod 4, a sleeve 5, a fixing ring 6, a copper sheet 7, a fixing sleeve 8, an outer operation groove 9, a clamping groove 10 and an aluminum plate flange 11.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 to 3, in the embodiment of the present invention, a standardized large-current SF6 insulation switch connection device mainly includes a fixed tension spring 1, an aluminum cover 2, a support sleeve 3, a connecting rod 4, a sleeve 5, a fixing ring 6, copper sheets 7 and a fixing sleeve 8, wherein a horn hole is provided in the middle of the sleeve 5, the fixing sleeve 8 is fixedly installed at the narrow inner wall of the middle of the inner side of the sleeve 5, the support sleeve 3 is sleeved outside the left and right ends of the fixing sleeve 8, the support sleeve 3 is located between the outer wall of the fixing sleeve 8 and the inner wall of the sleeve 5, the side portion of the support sleeve 3 is in close contact with the outer wall of the fixing sleeve 8 and the inner wall of the sleeve 5, the fixing ring 6 is fixedly installed in the middle of the inner side of the fixing sleeve 8, the copper sheets 7 are symmetrically installed on the outer wall of the middle of the fixing ring 6, the, 7 outer walls of copper sheet and 4 outer wall fixed connection of connecting rod, 4 tip covers of connecting rod are established and are installed fixed extension spring 1, and the quantity of fixed extension spring 1 is four at least, fixed cover 8 tip is provided with aluminum plate flange 11, and aluminum plate flange 11 encloses with fixed cover 8 inner wall and establishes and form annular mounting groove, fixed cover 8 is located 11 joints of aluminum plate flange and installs

aluminium lid

2, 4 tip of connecting rod and 2 in close contact with of aluminium lid.

The outer side wall of the copper sheet 7 is plated with a silver conducting layer.

The connecting rod 4 is provided with oblique direction head in the opening position of fixed cover 8, connecting rod 4 is located the tip and has seted up the spring mounting groove with fixed extension spring 1 complex.

The middle part of the outer side of the sleeve 5 is provided with an outer operation groove 9, and the outer wall of the sleeve 5 positioned at the outer operation groove 9 is provided with an annular bulge.

The joint groove 10 has been seted up to the relative one side edge outer wall of connecting rod 4, and joint groove 10 lateral wall adopts mild radian.

The utility model discloses a theory of operation is:

the utility model relates to a standardized heavy current SF6 insulated switch jointing equipment, this device are used for the cable of looped netowrk cabinet internal part to be connected, the during operation, the utility model provides a heavy current SF6 insulated switch jointing equipment mainly is for improving production efficiency, and easy to assemble reduces contact resistance to reduce the rising speed of temperature. The design adopts a prefabricated assembly method, silver-plated contacts are added to pure copper materials, and a fixing ring and a fixing tension spring are used for fixing. The external insulation adopts the sleeve of the elastic bodies such as silicon rubber, ethylene propylene diene monomer and the like, the electrical property and the mechanical property of each part are designed by considering the electrical strength, the dielectric loss and the insulation margin of the product, the stability, the conduction and the release of heat and the expansion and contraction of heat,

the main body is formed by combining an internal structure tension spring, a fixed sleeve, a copper sheet, a fixed ring, a sleeve, a supporting sleeve, a fixed tension spring and the like. By the overall schematic shown in fig. 1, the buses of the cabinet bodies are connected by bus connectors through side expansion, so that a ring main unit capable of expanding is formed.

Compared with the prior art, the utility model provides a big current SF6 insulation switch jointing equipment's advantage lies in:

one, the utility model provides a mode of big current SF6 insulation switch jointing equipment concatenation, can more the variety expand the increase-volume for the customer provides about, can dispose the business turn over line cabinet of different quantity in order to satisfy the different demand of customer.

Two, the utility model provides a big current SF6 insulating switch jointing equipment changes succinctly convenient, and which interval goes wrong or damages and can both quick replacement and each other not influence, can solve user power consumption problem the short time, has greatly reduced the maintenance cost.

Thirdly, the large-current SF6 insulation switch connection equipment of the utility model uses a single switch connection equipment at each interval, the sleeve uses silicon rubber, the Shore A hardness can reach 40, the fracture length rate is 600%, the tear strength is: 30N/mm2, creepage resistance: 3.5kV, tensile strength: 8.0N/mm 2. The personal safety of the working personnel in normal use is ensured.

To summarize: heavy current SF6 insulated switch jointing equipment is standardized looped netowrk cabinet expansion, lets the kind variety of looped netowrk cabinet, facilitates, reduces the occurence of failure of burning out equipment because of contact resistance takes place, is showing reduction maintenance cost, guarantees staff's personal safety.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a standardized heavy current SF6 insulation switch connecting device, mainly includes fixed extension spring (1), aluminium lid (2), supports cover (3), connecting rod (4), sleeve pipe (5), retainer plate (6), copper sheet (7) and fixed cover (8), its characterized in that, sleeve pipe (5) middle part is provided with the horn hole, the inboard middle part of sleeve pipe (5) is located narrow inner wall department fixed mounting and is had fixed cover (8), and both ends outside cover is established and is installed and support cover (3) about fixed cover (8), supports cover (3) and is located between fixed cover (8) outer wall and sleeve pipe (5) inner wall, support cover (3) lateral part and fixed cover (8) outer wall and sleeve pipe (5) inner wall in close contact with, fixed cover (8) inboard middle part fixed mounting has retainer plate (6), and fixed cover (6) middle part outer wall fixed mounting has copper sheet (7) that the symmetry set up, connecting rod (4) that both ends fixed mounting had the equidistance to arrange the material about retainer plate (6), connecting rod (4) tip lateral wall and retainer plate (6) tip lateral wall fixed connection, copper sheet (7) outer wall and connecting rod (4) outer wall fixed connection, connecting rod (4) tip cover is established and is installed fixed extension spring (1), and the quantity of fixed extension spring (1) is four at least, fixed cover (8) tip is provided with aluminum plate flange (11), and aluminum plate flange (11) encloses with fixed cover (8) inner wall and establishes and form annular mounting groove, fixed cover (8) are located aluminum plate flange (11) department joint and install aluminium lid (2), connecting rod (4) tip and aluminium lid (2) in close contact with.

2. A standardized high current SF6 insulated switchgear connection device as claimed in claim 1 wherein the outer side wall of said copper sheet (7) is plated with a silver conductive layer.

3. The connection equipment of the standardized high-current SF6 insulated switch as recited in claim 1, wherein said connecting rod (4) is provided with an inclined guide head at the opening of the fixing sleeve (8), and said connecting rod (4) is provided with a spring mounting groove at the end for cooperating with the fixed tension spring (1).

4. A standardized high current SF6 insulation switch connection equipment as in claim 1, wherein said bushing (5) is provided with an outer operation slot (9) in the middle of its outer side and the outer wall of said bushing (5) at the outer operation slot (9) is provided with a ring shaped protrusion.

5. The connection device of the standardized high-current SF6 insulated switch as recited in claim 1, wherein said connecting rod (4) has a clamping groove (10) formed on an outer wall of an opposite side edge, and a gentle arc is formed on a side wall of the clamping groove (10).