CN212643871U - Plate type reversing pipe cleaning valve for slurry pipeline of shield machine - Google Patents
Plate type reversing pipe cleaning valve for slurry pipeline of shield machine Download PDFInfo
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- CN212643871U CN212643871U CN202022086474.6U CN202022086474U CN212643871U CN 212643871 U CN212643871 U CN 212643871U CN 202022086474 U CN202022086474 U CN 202022086474U CN 212643871 U CN212643871 U CN 212643871U
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Abstract
The utility model relates to a plate type reversing pipe cleaning valve for a slurry pipeline of a shield machine, which comprises an outlet pipeline, an inlet pipeline and a ball serving bobbin pipeline; the method is characterized in that: the flat plate type reversing device formed by the main sealing plate and the auxiliary sealing plate is used for realizing three-way switching between the inlet pipeline and the outlet pipeline and switching the inlet pipeline and the ball serving barrel pipeline to be coincident with the central line of a channel communicated with the outlet pipeline. The pipe cleaning valve is suitable for a shield tunneling machine slurry pipeline.
Description
Technical Field
The utility model belongs to the valve field especially relates to a pipe cleaning valve. The utility model is suitable for a shield constructs quick-witted mud pipeline.
Background
At present, a pipeline pipe cleaning valve of shield machine equipment generally adopts a three-way ball valve, and an outlet channel is communicated with an inlet medium channel or a pipe cleaning barrel channel through switching of the three-way ball valve. However, an angle exists between the pigging barrel channel and the outlet channel of the three-way ball valve, and the pigging ball is easily blocked at the corner when being launched and received, so that pigging operation is influenced; in addition, the small three-way ball valve body in the installation space of the shield machine is large in size, and is very inconvenient to install, disassemble and maintain.
Disclosure of Invention
The utility model discloses not enough to prior art exists, provide a spherical pig transmission, receive unobstructed, reliable, installation space is little, dismantle easy maintenance's shield constructs quick-witted slurry pipeline plate-type switching-over pipe valve.
The technical proposal of the utility model comprises an outlet pipeline, an inlet pipeline and a ball serving bobbin pipeline; the method is characterized in that: the outlet pipeline, the inlet pipeline and the ball serving bobbin pipeline are connected through a flat plate reversing device; the flat plate reversing device comprises a main sealing plate and an auxiliary sealing plate, wherein the center of the main sealing plate is provided with a through hole with the same inner diameter as an outlet pipeline, an inlet pipeline and a ball serving bobbin pipeline, the outlet pipeline is fixedly and hermetically arranged at the outlet side of the through hole, the auxiliary sealing plate is provided with a medium circulation hole and a pipe cleaning hole with the same inner diameter as the through hole, the inlet pipeline adopts a soft connecting pipe, one end of the soft connecting pipe is fixedly and hermetically arranged on the medium circulation hole, the ball serving bobbin pipeline is fixedly and hermetically arranged on the pipe cleaning hole, the auxiliary sealing plate and the main sealing plate are in dynamic sealing connection with each other in a contact plane, and the; a hydraulic device consisting of a piston cylinder, a piston and a piston rod is fixedly arranged between the main sealing plate and the auxiliary sealing plate, the piston cylinder is fixedly arranged on the main sealing plate, and the end part of the piston rod is fixedly connected with the auxiliary sealing plate; a first limiting device and a second limiting device are arranged between the main sealing plate and the auxiliary sealing plate, when the auxiliary sealing plate moves to the first limiting device of the main sealing plate, the pipe cleaning hole is aligned with the through hole, and when the auxiliary sealing plate moves to the second limiting device of the main sealing plate, the medium circulation hole is aligned with the through hole.
Preferably, the cleaning pipe hole and the medium flow through hole of the secondary sealing plate are respectively provided with a metal sealing seat, and the sealing surface of the metal sealing seat is in hard sealing fit with the primary sealing plate.
Preferably, a spring is provided between the other end surface of the sealing surface of the metal seal holder and the auxiliary seal plate, and an O-ring is provided in a plane where the auxiliary seal plate outside the metal seal holder contacts the main seal plate.
Preferably, the auxiliary sealing plate is connected with the main sealing plate in a dynamic sealing manner through a track plate, and the track plate is fixedly arranged on two sides of the main sealing plate by bolts.
Preferably, the secondary sealing plate is slidably mounted on the primary sealing plate through dovetail grooves, and the dovetail grooves are symmetrically arranged on two sides of a straight line where circle centers of the medium circulation hole, the cleaning pipe hole and the through hole are located.
Compared with the prior art, the utility model beneficial effect be: the flat plate type reversing device formed by the main sealing plate and the auxiliary sealing plate is used for realizing three-way switching between the inlet pipeline and the outlet pipeline and switching the inlet pipeline and the ball serving barrel pipeline to be coincident with the central line of a channel communicated with the outlet pipeline.
Drawings
Fig. 1 is a schematic structural diagram of the shield tunneling machine in a normal operation state.
Fig. 2 is the structural schematic diagram of the pipe cleaning operation state of the shield tunneling machine of the present invention.
Fig. 3 is a top view of fig. 2 according to the present invention.
In the figure: the sealing structure comprises a main sealing plate 1, an auxiliary sealing plate 2, a ball forming cylinder pipeline 3, an inlet pipeline 4, an outlet pipeline 5, a metal sealing seat 6, a spring 7, an orbit plate 8, a piston cylinder 9 and a piston rod 10.
Detailed Description
The shield tunneling machine slurry pipeline plate type reversing pipe cleaning valve shown in fig. 1 and 2 comprises an outlet pipeline 5, an inlet pipeline 4 and a ball serving bobbin pipeline 3; the method is characterized in that: the outlet pipeline 5, the inlet pipeline 4 and the ball serving bobbin pipeline 3 are connected through a flat plate reversing device; the flat plate reversing device comprises a main sealing plate 1 and an auxiliary sealing plate 2, wherein the center of the main sealing plate 1 is provided with a through hole with the same inner diameter as an outlet pipeline 5, an inlet pipeline 4 and a ball serving bobbin pipeline 3, the outlet pipeline 5 is fixedly and hermetically arranged on the outlet side of the through hole, the main sealing plate 1 is fixedly arranged on a shield machine, the auxiliary sealing plate 2 is provided with a medium circulation hole and a pipe cleaning hole with the same inner diameter as the through hole, the inlet pipeline 4 adopts a soft connecting pipe, one end of the soft connecting pipe is fixedly and hermetically arranged on the medium circulation hole, the other end of the soft connecting pipe is communicated with a slurry port of the shield machine, the ball serving bobbin pipeline 3 is fixedly and hermetically arranged on the pipe cleaning hole, the mutual contact plane of the auxiliary sealing plate 2 and the main sealing plate 1 is; a hydraulic device consisting of a piston cylinder 9, a piston and a piston rod 10 is fixedly arranged between the main sealing plate 1 and the auxiliary sealing plate 2, the piston cylinder 9 is fixedly arranged on the main sealing plate 1, the end part of the piston rod 10 is fixedly connected with the auxiliary sealing plate 2, the piston moves to drive the piston rod 10 to push the auxiliary sealing plate 2 to move on the main sealing plate 1, the inlet pipeline 4 and the ball serving bobbin pipeline 3 are switched to be communicated with the outlet pipeline 5, and the switching between the pigging operation and the normal operation is realized, as shown in fig. 3; be equipped with first stop device and second stop device between main seal board 1 and the auxiliary seal board 2, when auxiliary seal board 2 removed main seal board 1 first stop device department, the scavenge pipe hole aligns with the through-hole, carry out the pigging operation, at this moment, serve bobbin way 3 and 5 central lines of export pipeline coincide, the transmission of pigging ball, receive unobstructed no card and hinder, when auxiliary seal board 2 removed main seal board 1 second stop device department, the medium circulation hole aligns with the through-hole, the normal operation of shield constructs machine carries mud.
The cleaning pipe hole and the medium circulation hole of the auxiliary sealing plate 2 are respectively provided with a metal sealing seat 6, the sealing surface of the metal sealing seat 6 is in hard sealing fit with the main sealing plate 1, and the metal sealing seat is convenient to replace after the sealing surface is worn.
Set up spring 7 between the other side terminal surface of the sealed face of metal seal seat 6 and auxiliary seal board 2, improve the sealing pressure between metal seal seat 6 and the main seal board 1, set up O type sealing washer in the plane of auxiliary seal board 2 and the main seal board 1 mutual contact in the metal seal seat 6 outside, improve the sealing performance between main seal board 1 and the auxiliary seal board 2.
The auxiliary sealing plate 2 is connected with the main sealing plate 1 in a dynamic sealing mode through a track plate 8, and the track plate 8 is fixedly installed on two sides of the main sealing plate 1 through bolts so that the auxiliary sealing plate 2 slides in a track of the track plate 8.
The auxiliary sealing plate 2 is slidably mounted on the main sealing plate 1 through dovetail grooves, and the dovetail grooves are symmetrically arranged on two sides of a straight line where the circle centers of the medium circulation hole, the cleaning pipe hole and the through hole are located. When the secondary seal plate 2 is moved to one end of the dovetail groove, the outlet duct 5 is aligned with the inlet duct 4, and when the secondary seal plate 2 is moved to the other end of the dovetail groove, the ball serving barrel duct 3 is aligned with the inlet duct 5.
Claims (5)
1. A plate type reversing pipe cleaning valve for a slurry pipeline of a shield tunneling machine comprises an outlet pipeline (5), an inlet pipeline (4) and a balling barrel pipeline (3); the method is characterized in that: the outlet pipeline (5), the inlet pipeline (4) and the pitching barrel pipeline (3) are connected through a flat plate reversing device; the flat plate reversing device comprises a main sealing plate (1) and an auxiliary sealing plate (2), wherein the center of the main sealing plate (1) is provided with a through hole with the same inner diameter as that of an outlet pipeline (5), an inlet pipeline (4) and a ball dispensing tube pipeline (3), the outlet pipeline (5) is fixedly and hermetically arranged on the outlet side of the through hole, the auxiliary sealing plate (2) is provided with a medium circulation hole and a pipe cleaning hole with the same inner diameter as that of the through hole, the inlet pipeline (4) adopts a flexible connecting pipe, one end of the flexible connecting pipe is fixedly and hermetically arranged on the medium circulation hole, the ball dispensing tube pipeline (3) is fixedly and hermetically arranged on the pipe cleaning hole, the mutual contact plane of the auxiliary sealing plate (2) and the main sealing plate (1) is in dynamic sealing connection, and; a hydraulic device consisting of a piston cylinder (9), a piston and a piston rod (10) is fixedly arranged between the main sealing plate (1) and the auxiliary sealing plate (2), the piston cylinder (9) is fixedly arranged on the main sealing plate (1), and the end part of the piston rod (10) is fixedly connected with the auxiliary sealing plate (2); a first limiting device and a second limiting device are arranged between the main sealing plate (1) and the auxiliary sealing plate (2), when the auxiliary sealing plate (2) moves to the first limiting device of the main sealing plate (1), the pipe cleaning hole is aligned with the through hole, and when the auxiliary sealing plate (2) moves to the second limiting device of the main sealing plate (1), the medium circulation hole is aligned with the through hole.
2. The shield tunneling machine mud pipeline plate type reversing pipe cleaning valve according to claim 1, which is characterized in that: the pipe cleaning hole and the medium circulation hole of the auxiliary sealing plate (2) are respectively provided with a metal sealing seat (6), and the sealing surface of the metal sealing seat (6) is in hard sealing fit with the main sealing plate (1).
3. The shield tunneling machine mud pipeline plate type reversing pipe cleaning valve according to claim 2, which is characterized in that: a spring (7) is arranged between the metal sealing seat (6) and the auxiliary sealing plate (2), and an O-shaped sealing ring is arranged in a plane where the auxiliary sealing plate (2) and the main sealing plate (1) on the outer side of the metal sealing seat (6) are in mutual contact.
4. The shield tunneling machine mud pipeline plate type reversing pipe cleaning valve according to claim 1, 2 or 3, which is characterized in that: the auxiliary sealing plate (2) is connected with the main sealing plate (1) in a dynamic sealing mode through the track plate (8), and the track plate (8) is fixedly installed on the two sides of the main sealing plate (1) through bolts.
5. The shield tunneling machine mud pipeline plate type reversing pipe cleaning valve according to claim 1, 2 or 3, which is characterized in that: the auxiliary sealing plate (2) is slidably mounted on the main sealing plate (1) through dovetail grooves, and the dovetail grooves are symmetrically arranged on two sides of a straight line where circle centers of the medium circulation hole, the cleaning pipe hole and the through hole are located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022086474.6U CN212643871U (en) | 2020-09-22 | 2020-09-22 | Plate type reversing pipe cleaning valve for slurry pipeline of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022086474.6U CN212643871U (en) | 2020-09-22 | 2020-09-22 | Plate type reversing pipe cleaning valve for slurry pipeline of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212643871U true CN212643871U (en) | 2021-03-02 |
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ID=74762400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022086474.6U Active CN212643871U (en) | 2020-09-22 | 2020-09-22 | Plate type reversing pipe cleaning valve for slurry pipeline of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212643871U (en) |
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2020
- 2020-09-22 CN CN202022086474.6U patent/CN212643871U/en active Active
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