CN216666819U

CN216666819U - Flange ultrahigh pressure pipeline expansion piece

Info

Publication number: CN216666819U
Application number: CN202122327528.8U
Authority: CN
Inventors: 朱强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-06-03
Anticipated expiration: 2031-09-26

Abstract

The utility model belongs to the field of pipeline expanders, and particularly relates to a flange ultrahigh-pressure pipeline expander which comprises an expander body, wherein corrugated pipes are arranged on two sides of the expander body, a connector is arranged at one end of each corrugated pipe, a flange plate is arranged on one side of the connector, a plurality of positioning rods are arranged on two sides of the expander body, a plurality of positioning holes are formed in one side of the connector and are matched with corresponding positioning holes, a plurality of pin grooves are formed in one side, away from the corrugated pipes, of each positioning rod, a connecting groove is formed in the inner wall of each positioning hole, a pin rod is slidably arranged in the connecting groove and is matched with the corresponding pin groove, and a fixing spring is arranged at one end of each pin rod. The utility model has reasonable design, is convenient for adjusting the length of the expansion piece body, is convenient for installing the expansion piece body, absorbs the stretching and the contraction of a pipeline through the expansion and the compression of the corrugated pipe and plays a role in protecting an ultrahigh pressure pipeline.

Description

Flange ultrahigh pressure pipeline expansion piece

Technical Field

The utility model relates to the technical field of pipeline expanders, in particular to a flange ultrahigh pressure pipeline expander.

Background

The pipeline expansion piece can prevent the pipeline from leading to the leakage and the damage of compensation joint because of excessive displacement, and the pipeline loose tube who mainly used absorbs axial displacement and bear axial pressure thrust is connected in the allowable displacement range, and flexible volume is big, simple to operate is swift.

At present, the pipeline is in inflammable and explosive region and inconvenient welding region, and the pipeline expansion piece is not convenient to install, and the interval between two pipelines is different, is not convenient to adjust the length of pipeline expansion piece to the problem of installing the pipeline expansion piece is not convenient for, and therefore we provide a flange superhigh pressure pipeline expansion piece for solving the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that a pipeline expansion piece is inconvenient to install in the prior art, and provides a flange ultrahigh-pressure pipeline expansion piece.

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

a flange ultrahigh pressure pipeline expansion piece comprises an expansion piece body, corrugated pipes are arranged on two sides of the expansion piece body, a connector is arranged at one end of each corrugated pipe, a flange plate is arranged on one side of each connector, a plurality of positioning rods are arranged on two sides of the expansion piece body, a plurality of positioning holes are formed in one side of each connector, the positioning rod is matched with the corresponding positioning hole, one side of the positioning rod, which is far away from the corrugated pipe, is provided with a plurality of pin grooves, the inner wall of the positioning hole is provided with a connecting groove, the connecting groove is internally provided with a pin rod in a sliding way, and the pin rod is matched with the corresponding pin groove, a fixed spring is installed at one end of the pin rod, one end of the fixed spring is installed on the inner wall of the connecting groove, a pull rod is installed on the pin rod, one end of the pull rod extends to the outer side of the connector and is provided with a pull plate, a locking mechanism is installed on the pull plate, and the locking mechanism is matched with the connector.

Preferably, the locking mechanism comprises a moving hole formed in the pulling plate, an L-shaped fixing rod is slidably mounted in the moving hole, a plurality of grooves are formed in the connecting head, a fixing groove is formed in the inner wall of one side of each groove, and the L-shaped fixing rod is matched with the fixing groove.

Preferably, a return spring is installed at one side of the L-shaped fixing rod, and one end of the return spring is installed on the inner wall of the corresponding moving hole.

Preferably, all seted up the guide way on the both sides inner wall of spread groove, the guide holder is all installed to the both sides of pin pole, and guide holder and the guide way sliding connection who corresponds.

Preferably, the same guide rod is installed on the inner walls of the two sides of the moving hole, and the L-shaped fixing rod is slidably sleeved on the guide rod.

Preferably, the inner wall of the connecting groove is provided with a sliding hole, and the pull rod is connected with the corresponding sliding hole in a sliding manner.

The utility model has the beneficial effects that:

1. when the length of the telescopic device body is adjusted, the L-shaped fixing rod is moved to compress the return spring and separate from the corresponding fixing groove, so that the fixing of the pulling plate can be released;

2. the L-shaped fixing rod, the fixing groove, the pin rod and the pin groove are matched, so that the connector can be conveniently fixed and released, the position of the connector can be conveniently adjusted, the corrugated pipe can be stretched by the connector, the length of the expansion piece body can be adjusted, and the expansion piece body can be conveniently and fixedly mounted by bolts and nuts due to the flange plate;

3. the displacement that high pressure and long pipeline dead weight arouse can appear in the during operation of super high-pressure pipeline, and super high-pressure pipeline expansion bend body can be under the condition of bearing high pressure, and the expansion and the shrink that absorb the pipeline through the inflation and the compression of bellows play the guard action to super high-pressure pipeline to avoid the emergence of pipeline accident, prolong super high-pressure pipeline's life.

Drawings

Fig. 1 is a schematic perspective view of a flange ultra-high pressure pipeline expansion piece according to the present invention;

fig. 2 is a schematic structural view of a flange ultra-high pressure pipeline expansion piece according to the present invention;

FIG. 3 is a schematic structural view of part A of a flange extra-high pressure pipeline expansion piece according to the present invention;

fig. 4 is a schematic structural diagram of a portion B of a flange ultrahigh-pressure pipeline expansion piece according to the present invention.

In the figure: 1. a retractor body; 2. a bellows; 3. a connector; 4. a flange plate; 5. positioning a rod; 6. positioning holes; 7. a pin slot; 8. connecting grooves; 9. a pin rod; 10. a fixed spring; 11. a pull rod; 12. pulling a plate; 13. a groove; 14. fixing grooves; 15. moving the hole; 16. an L-shaped fixing rod; 17. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a flange ultra-high pressure pipeline expansion piece comprises an expansion piece body 1, corrugated pipes 2 are installed on two sides of the expansion piece body 1, a connector 3 is installed at one end of each corrugated pipe 2, a flange plate 4 is installed on one side of each connector 3, a plurality of positioning rods 5 are installed on two sides of the expansion piece body 1, a plurality of positioning holes 6 are formed in one side of each connector 3, the positioning rods 5 are matched with the corresponding positioning holes 6, a plurality of pin grooves 7 are formed in one side, away from the corrugated pipes 2, of each positioning rod 5, a connecting groove 8 is formed in the inner wall of each positioning hole 6, a pin rod 9 is slidably installed in each connecting groove 8, each pin rod 9 is matched with the corresponding pin groove 7, a fixed spring 10 is installed at one end of each pin rod 9, one end of each fixed spring 10 is installed on the inner wall of each connecting groove 8, a pull rod 11 is installed on each pin rod 9, one end of each pull rod 11 extends to the outer side of each connector 3 and is provided with a pull plate 12, install locking mechanical system on arm-tie 12, and locking mechanical system and connector 3 looks adaptation, through the cooperation of pin pole 9 and cotter way 7, be convenient for fix and remove fixedly the connector to be convenient for adjust the position of connector, the connector is stretched the bellows, can adjust the length of expansion bend body, owing to be provided with the ring flange, be convenient for carry out fixed mounting to the expansion bend body through bolt and nut.

In this embodiment, locking mechanical system is including offering the removal hole 15 on arm-tie 12, and slidable mounting has L shape dead lever 16 in removing hole 15, has seted up a plurality of recesses 13 on the connector 3, has seted up fixed slot 14 on one side inner wall of recess 13, and L shape dead lever 16 and fixed slot 14 looks adaptation, through setting up locking mechanical system, is convenient for fix arm-tie 12.

In this embodiment, reset spring 17 is installed to one side of L shape dead lever 16, and reset spring 17's one end is installed on the inner wall in the removal hole 15 that corresponds, has all seted up the guide way on the both sides inner wall of spread groove 8, and the guide holder is all installed to the both sides of pin rod 9, and guide holder and the guide way sliding connection who corresponds, through being provided with guide holder and guide way, can make pin rod 9 carry out stable removal.

In this embodiment, the same guide bar is installed on the inner walls of the two sides of the moving hole 15, the L-shaped fixing rod 16 is slidably sleeved on the guide bar, the inner wall of the connecting groove 8 is provided with a sliding hole, and the pull rod 11 is slidably connected with the corresponding sliding hole.

In the utility model, when the length of the expansion piece body 1 is adjusted, the L-shaped fixed rod 16 is moved to enable the L-shaped fixed rod 16 to compress the return spring 17 and separate from the corresponding fixed groove 14, so that the fixing of the pull plate 12 can be released, the pull plate 12 can drive the pull rod 11 and the pin rod 9 to move by pulling the pull plate 12, so that the pin rod 9 compresses the fixed spring 10 and separates from the corresponding pin groove 7, so that the fixing of the connector 3 can be released, the connector 3 stretches the corrugated pipe by moving the connector 3, so that the length of the expansion piece body 1 can be adjusted, and the flange plate 4 is arranged, so that the expansion piece body 1 can be conveniently and fixedly installed by bolts and nuts;

super high-pressure pipeline can appear high pressure and long defeated pipeline dead weight displacement that arouses at the during operation, and super high-pressure pipeline expansion bend body 1 can be under bearing the high pressure condition, and the expansion and the contraction that absorb the pipeline through bellows 2 are drawn and are contracted, play the guard action to super high-pressure pipeline to avoid the emergence of pipeline accident, prolong the life of super high-pressure pipeline.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A flange ultrahigh pressure pipeline expansion piece comprises an expansion piece body (1) and is characterized in that corrugated pipes (2) are installed on two sides of the expansion piece body (1), a connector (3) is installed at one end of each corrugated pipe (2), a flange plate (4) is installed on one side of each connector (3), a plurality of positioning rods (5) are installed on two sides of the expansion piece body (1), a plurality of positioning holes (6) are formed in one side of each connector (3), the positioning rods (5) are matched with the corresponding positioning holes (6), a plurality of pin grooves (7) are formed in one side, away from the corrugated pipes (2), of each positioning rod (5), a connecting groove (8) is formed in the inner wall of each positioning hole (6), a pin rod (9) is installed in each connecting groove (8) in a sliding mode, and the pin rods (9) are matched with the corresponding pin grooves (7), fixed spring (10) are installed to the one end of pin pole (9), the one end of fixed spring (10) is installed on the inner wall of spread groove (8), install pull rod (11) on pin pole (9), the one end of pull rod (11) extends to the outside of connector (3) and installs arm-tie (12), install locking mechanical system on arm-tie (12), just locking mechanical system and connector (3) looks adaptation.

2. The flange ultrahigh pressure pipeline expansion piece according to claim 1, wherein the locking mechanism comprises a moving hole (15) formed in the pulling plate (12), an L-shaped fixing rod (16) is slidably mounted in the moving hole (15), a plurality of grooves (13) are formed in the connecting head (3), a fixing groove (14) is formed in one side inner wall of each groove (13), and the L-shaped fixing rod (16) is matched with the fixing groove (14).

3. The flange ultrahigh pressure pipeline expansion device according to claim 2, wherein a return spring (17) is installed at one side of the L-shaped fixing rod (16), and one end of the return spring (17) is installed on the inner wall of the corresponding moving hole (15).

4. The flange extra-high pressure pipeline expansion device according to claim 1, wherein the connecting groove (8) is provided with guide grooves on the inner walls of both sides thereof, and guide seats are mounted on both sides of the pin rod (9) and slidably connected with the corresponding guide grooves.

5. The flange ultrahigh pressure pipeline expansion piece according to claim 2, wherein the same guide rod is installed on the inner walls of the two sides of the moving hole (15), and the L-shaped fixing rod (16) is slidably sleeved on the guide rod.

6. The flange ultrahigh-pressure pipeline expansion piece according to claim 1, wherein the inner wall of the connecting groove (8) is provided with a sliding hole, and the pull rod (11) is slidably connected with the corresponding sliding hole.