CN214798838U

CN214798838U - Oil gas sleeve pipe assembly fixture

Info

Publication number: CN214798838U
Application number: CN202022919473.5U
Authority: CN
Inventors: 孙荣升; 姚越; 刘敏; 刘立宝
Original assignee: Nanjing Electric High Voltage Bushing Co ltd
Current assignee: Nanjing Electric High Voltage Bushing Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-11-19
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses an oil gas sleeve pipe assembly fixture, which comprises a core body, wherein the core body comprises an SF6 end and an oil end, an SF6 end connector base is installed at an SF6 end of the core body, a first sealing groove is arranged on the SF6 end connector base, an SF6 end sealing ring is arranged in the first sealing groove, an oil end metal piece is installed at the oil end of the core body, a second sealing groove is arranged on the oil end metal piece, an oil end sealing ring is arranged in the second sealing groove, the core body is of a hollow structure, a sleeve pipe assembly fixture is installed in the core body, one section of the sleeve pipe assembly fixture is provided with a flange plate, the flange plate is contacted with the SF6 end connector base, a fixture fastener is arranged at one side of the oil end metal piece, which is far away from the SF6 end connector post, the fixture fastener is screwed on the sleeve pipe assembly fixture through threads until the fixture fastener is contacted with the end surface of the oil end metal piece, compared with the prior art, the utility model, after the assembly, the sleeve pipe can be directly assembled, the dimension and the direction do not need to be retested, so that the convenience of the sleeve assembling work is greatly improved.

Description

Oil gas sleeve pipe assembly fixture

Technical Field

The utility model relates to a sleeve pipe field, concretely relates to oil gas sleeve pipe assembly fixture.

Background

At present, the assembly mode of dry-type oil/SF 6 sleeve pipe both ends metalwork mainly bonds at the core both ends through epoxy glue, because the terminal surface needs to reach sealed requirement through compression O shape sealing washer between both ends metalwork and the core, the fixed of metalwork and core still need bond through epoxy glue simultaneously, SF6 end screw hole has the position requirement with the lead-wire, so bond on the core after need adjusting the position when bonding SF6 end metalwork. Because of O shape sealing washer is flexible, the metalwork at both ends has the risk of aversion and is difficult to discover before epoxy glue is not completely cured like this to the depth of parallelism of both ends metalwork terminal surface also can not effectively guarantee, and sealed of sleeve pipe both ends metalwork and core has the risk that leaks and position can not guarantee like this.

Disclosure of Invention

For solving the not enough of prior art, the utility model aims to provide a stable performance, assemble more convenient oil gas sleeve pipe assembly fixture.

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

the utility model provides an oil gas sleeve pipe assembly fixture, includes the core, the core includes SF6 end and oil end, SF6 end wire holder is installed to the SF6 end of core, be provided with first seal groove on the SF6 end wire holder, be provided with SF6 end sealing washer in the first seal groove, oil end metalwork is installed to the oil end of core, be provided with the second seal groove on the oil end metalwork, be provided with the oil end sealing washer in the second seal groove, the core sets up to hollow structure, install sleeve pipe assembly fixture in the core, sleeve pipe assembly fixture one section is provided with the ring flange, the ring flange contacts with SF6 end wire holder, oil end metalwork keeps away from SF6 end terminal post one side and is provided with the frock fastener, the frock fastener screws on sleeve pipe assembly fixture through the screw, until frock fastener and oil end metalwork end face contact.

As a further preferred aspect of the present invention, the SF6 end seal ring and the oil end seal ring are both configured as O-ring seals.

As a further preferred aspect of the present invention, the bonding position of the SF6 terminal and the core and the annual release of the oil end metal piece and the core are both coated with epoxy resin glue and sealed by epoxy resin glue.

As a further preference of the present invention, the core middle part is provided with a core lead wire.

As the utility model discloses a further preferred, SF6 end connection base evenly is provided with four screw holes near sleeve assembling frock one side, the core lead wire becomes 45 contained angles with the line between adjacent screw hole and the centre of a circle between the line between the axis.

The utility model discloses an useful part lies in: the utility model has simple structure and convenient operation, and can directly assemble the sleeve after the assembly is completed without dimension and direction retest, thus greatly improving the convenience of the sleeve assembly work; the metal parts at the two ends are assembled firstly, so that the risk of displacement of the metal parts at the two ends during the assembly of the sleeve can be reduced; meanwhile, the parallelism of the end faces of the metal pieces at the two ends and the orientation requirement of the threaded hole of the SF6 end terminal wire base are ensured, and the stability of the sealing performance of the sleeve is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a partially enlarged view of B in fig. 1.

The meaning of the reference symbols in the figures: 1. the sleeve pipe assembly fixture, 2, SF6 end wire holder, 3, SF6 end sealing washer, 4, epoxy glue, 5, core, 6, core lead wire, 7, oil end sealing washer, 8, oil end metalwork, 9, frock fastener.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

An oil-gas casing pipe assembling tool comprises a core body 5, wherein the core body 5 comprises an SF6 end and an oil end, an SF6 end wire connecting seat 2 is installed at an SF6 end of the core body 5, a first sealing groove is arranged on the SF6 end wire connecting seat 2, an SF6 end sealing ring 3 is arranged in the first sealing groove, an oil end metal piece 8 is arranged at the oil end of the core body 5, a second sealing groove is arranged on the oil end metal piece 8, an oil end sealing ring 7 is arranged in the second sealing groove, the core body 5 is of a hollow structure, the sleeve assembling tool 1 is installed in the core body 5, a flange plate is arranged on one section of the sleeve assembling tool 1, the flange plate is contacted with an SF6 terminal wire holder 2, one side of the oil end metal piece 8, which is far away from an SF6 terminal wire column, is provided with a tool fastening piece 9, the tool fastening piece 9 is screwed on the sleeve assembling tool 1 through threads until the tool fastening piece 9 is contacted with the end face of the oil end metal piece 8.

And the SF6 end sealing ring 3 and the oil end sealing ring 7 are both arranged into O-shaped sealing rings.

The bonding part of the SF6 terminal and the core body 5 and the annual release of the oil end metal piece 8 and the core body 5 are coated with epoxy resin glue 4 and sealed through the epoxy resin glue 4.

And a core lead 6 is arranged in the middle of the core 5.

SF6 termination socket 2 is close to sleeve pipe assembly fixture 1 one side and evenly is provided with four screw holes, core lead wire 6 is at 45 contained angles of line between the axis and the line between adjacent screw hole and the centre of a circle.

For better explanation of the present invention, the following description specifically describes the working process thereof:

firstly, placing an SF6 end sealing ring 3 into a first sealing groove of an SF6 end wiring seat 2, sleeving one end of a core body 5, and coating epoxy resin glue 4 on a bonding part of the core body 5 and the SF6 end wiring seat 2; the core body 5 is arranged after the SF6 end of the core body 5 is aligned with the lead wire of the core body 5; placing an oil end sealing ring 7 into a second sealing groove of an oil end metal piece 8, sleeving the oil end sealing ring on the other end of the core body 5, and coating epoxy resin glue 4 on the bonding part of the core body 5 and the oil end metal piece 8; the sleeve assembling tool 1 is installed from the SF6 end until a flange on the sleeve assembling tool 1 is in contact with the SF6 end wire holder 2 and the flange, and then the tool fastening piece 9 is screwed to the end face of the oil end metal piece 8, so that the risk of displacement of the two end metal pieces of the oil/SF 6 sleeve during assembling is reduced, the parallelism of the end faces of the two end metal pieces and the position requirement of a threaded hole of the SF6 end wire holder 2 are ensured, and the stability of the sealing performance of the oil/SF 6 sleeve is greatly improved.

The utility model discloses an useful part lies in: the utility model has simple structure and convenient operation, and can directly assemble the sleeve after the assembly is completed without dimension and direction retest, thus greatly improving the convenience of the sleeve assembly work; the metal parts at the two ends are assembled firstly, so that the risk of displacement of the metal parts at the two ends during the assembly of the sleeve can be reduced; meanwhile, the flatness of the end faces of the metal pieces at the two ends and the orientation requirement of the threaded hole of the SF6 terminal wire holder 2 are ensured, and the stability of the sealing performance of the sleeve is greatly improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. The oil and gas casing pipe assembling tool comprises a core body and is characterized in that the core body comprises an SF6 end and an oil end, an SF6 terminal holder is installed at an SF6 end of the core body, a first sealing groove is formed in the SF6 terminal holder, an SF6 end sealing ring is arranged in the first sealing groove, an oil end metal piece is arranged at the oil end of the core body, the oil end metal piece is provided with a second sealing groove, an oil end sealing ring is arranged in the second sealing groove, the core body is of a hollow structure, a sleeve assembling tool is arranged in the core body, a flange plate is arranged on one section of the sleeve assembling tool, the flange plate is contacted with the SF6 end connection wire seat, one side of the oil end metal piece, which is far away from the SF6 end connection wire column, is provided with a tool fastening piece, the tool fastening piece is screwed on the sleeve assembling tool through threads until the tool fastening piece is contacted with the end face of the oil end metal piece.

2. The assembly tooling for oil and gas casings of claim 1, wherein the SF6 end sealing ring and the oil end sealing ring are both provided with O-shaped sealing rings.

3. The assembly tooling of claim 1, wherein the bonding part of the SF6 terminal post and the core body and the annual release of the oil-end metal piece and the core body are coated with epoxy resin glue.

4. The assembly tooling for oil and gas casings of claim 1, wherein a core lead is arranged in the middle of the core.

5. The oil and gas casing assembly tool according to claim 4, wherein four threaded holes are uniformly formed in one side, close to the casing assembly tool, of the SF6 end terminal wire seat, and an included angle of 45 degrees is formed between a connecting line of the core lead wires between the axes and a connecting line between the adjacent threaded holes and the circle center.