1. The pipeline transportation equipment for the natural gas comprises a valve body (1), a hydraulic cylinder (2) and two connecting pipes (3), wherein the hydraulic cylinder (2) is vertically arranged at the top in the valve body (1), the two connecting pipes (3) are respectively horizontally arranged on two sides of the valve body (1), the two filter hole pipes are communicated through the valve body (1), the two connecting pipes (3) are coaxially arranged, the hydraulic cylinder (2) is positioned above the connecting pipes (3), and the pipeline transportation equipment is characterized in that the valve body (1) is provided with two sealing mechanisms and two filtering mechanisms, and the sealing mechanisms and the filtering mechanisms are in one-to-one correspondence with the connecting pipes (3);

the sealing mechanism comprises a supporting block (4), a push rod (5), a connecting rod (6), an extrusion plate (7), an air bag (8), a supporting plate (9) and a supporting assembly, wherein the push rod (5) and the supporting plate (9) are coaxially arranged with the connecting pipe (3), the extrusion plate (7) is perpendicular to the connecting pipe (3), the extrusion plate (7) is arranged in the connecting pipe (3), a gap is formed between the inner walls of the extrusion plate (7) and the connecting pipe (3), the air bag (8) is arranged on one side, far away from the valve body (1), of the extrusion plate (7), one end of the push rod (5) is arranged on the other side of the extrusion plate (7), the other end of the push rod (5) is hinged to a piston of the hydraulic cylinder (2) through the connecting rod (6), the connecting rod (6) is obliquely arranged, and the distance between one end, close to the push rod (5), of the connecting rod (6) and the plane where the extrusion plate (7) is located is smaller than the other end of the connecting The distance between the planes is that the supporting block (4) is arranged on the inner wall of the connecting pipe (3), a through hole is formed in the supporting block (4), the push rod (5) penetrates through the through hole, the push rod (5) is in sliding connection with the inner wall of the through hole, the air bag (8) is abutted to the inner wall of the connecting pipe (3), the air bag (8) is in sliding and sealing connection with the inner wall of the connecting pipe (3), the diameter of the supporting disc (9) is smaller than the inner diameter of the connecting pipe (3), the supporting disc (9) is arranged on one side, far away from the extrusion plate (7), of the air bag (8), the supporting disc (9) is abutted to the air bag (8), and the supporting assembly is arranged on one side, far away from the valve body (1), of the supporting disc (9);

the utility model discloses a valve body (1) is kept away from to filter mechanism, filter mechanism is located one side of supporting disk (9) of valve body (1), filter mechanism includes swivel becket (10), filter screen (11) and rotating assembly, swivel becket (10) and the coaxial setting of connecting pipe (3), the inner wall slip and the sealing connection of swivel becket (10) and connecting pipe (3), install in the annular ring of swivel becket (10) filter screen (11), rotating assembly is located between supporting disk (9) and swivel becket (10), rotating assembly is connected with supporting component, axis of rotation (16) are connected with swivel becket (10) transmission.

2. The pipeline transportation equipment for natural gas according to claim 1, wherein the support assembly comprises a fixed block (12), a moving rod (13), a cleaning ring (14) and a first spring (15), the moving rod (13) and the cleaning ring (14) are coaxially arranged with the connecting pipe (3), one end of the moving rod (13) is arranged on the support plate (9), the fixed block (12) is arranged on the inner wall of the connecting pipe (3), a round hole is arranged on the fixed block (12), the moving rod (13) passes through the round hole, the moving rod (13) is in sliding connection with the inner wall of the round hole, one end of the moving rod (13) far away from the support plate (9) is connected with the fixed block (12) through the first spring (15), the cleaning ring (14) is positioned between the air bag (8) and the fixed block (12), and the inner diameter of the cleaning ring (14) is larger than the diameter of the support plate (9), the outer diameter of the cleaning ring (14) is equal to the inner diameter of the connecting pipe (3), the cleaning ring (14) slides and is sealed with the inner wall of the connecting pipe (3), the cleaning ring (14) is connected with the supporting plate (9), the cleaning ring (14) abuts against one side, close to the valve body (1), of the fixing block (12), and the first spring (15) is in a stretching state.

3. The pipeline transportation equipment for natural gas according to claim 2, wherein the rotating assembly is located on one side of the moving rod (13) far away from the valve body (1), the rotating assembly comprises a rotating shaft (16), a bearing (17), a ball screw pair (18), a push plate (19) and two transmission units, the push plate (19) is perpendicular to the moving rod (13), the push plate (19) is arranged on one side of the moving rod (13) far away from the valve body (1), the rotating shaft (16) and a screw rod of the ball screw pair (18) are both coaxially arranged with the connecting pipe (3), the rotating shaft (16) is located between the rotating ring (10) and the moving rod (13), an inner ring of the bearing (17) is mounted on the rotating shaft (16), an outer ring of the bearing (17) is arranged on an inner wall of the connecting pipe (3), and the rotating shaft (16) is connected with the rotating ring (10), the screw rod of the ball screw pair (18) is arranged on one side, close to the valve body (1), of the rotating shaft (16), the transmission units are circumferentially and uniformly distributed by taking the axis of the rotating shaft (16) as the center, and the push plate (19) is connected with the nut of the ball screw pair (18) through the transmission units.

4. The pipeline transportation equipment for natural gas according to claim 3, wherein the transmission unit comprises a second spring (20), a transmission rod (21) and a connection block (22), the transmission rod (21) is parallel to the connection pipe (3), one end of the transmission rod (21) abuts against the push plate (19), the other end of the transmission rod (21) is connected with a nut of the ball screw pair (18), the connection block (22) is arranged on the inner wall of the connection pipe (3), an assembly hole is arranged on the connection block (22), the transmission rod (21) passes through the assembly hole, the transmission rod (21) is slidably connected with the inner wall of the assembly hole, one side of the transmission rod (21) far away from the valve body (1) is connected with the connection block (22) through the second spring (20), and the second spring (20) is in a stretching state.

5. Pipeline transport equipment for natural gas according to claim 4, characterized in that both ends of the transmission rod (21) are chamfered.

6. Pipeline transport equipment for natural gas according to claim 1, characterized in that a PLC is provided on the valve body (1), the hydraulic cylinder (2) being electrically connected to the PLC.

Background

Pipeline transportation is a transportation mode for long-distance transportation of liquid and gas materials by using pipelines as transportation tools, is a transportation mode for transporting petroleum, coal and chemical products to markets from production places, and is a special component part for trunk transportation in a uniform transportation network.

The natural gas is when carrying out the pipeline transportation, all can all open and close through picture peg valve control pipeline greatly, and the push-pull valve is also known as manual sword type gate valve, and current push-pull valve can influence the leakproofness after valve body and the long-term wearing and tearing of valve plate in the use, has reduced the practicality, and so on, current push-pull valve all can install the filter screen in order to prevent that impurity from blockking up the valve body, and the impurity of holding back on the filter screen concentrates on together, can lead to the filter screen to block up, has reduced the practicality.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the disadvantages of the prior art, a pipeline transportation device for natural gas is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a pipeline transportation device for natural gas comprises a valve body, a hydraulic cylinder and two connecting pipes, wherein the hydraulic cylinder is vertically arranged at the top in the valve body, the two connecting pipes are respectively and horizontally arranged at two sides of the valve body, two filter hole pipes are communicated through the valve body, the two connecting pipes are coaxially arranged, the hydraulic cylinder is positioned above the connecting pipes, two sealing mechanisms and two filter mechanisms are arranged on the valve body, and the sealing mechanisms and the filter mechanisms are in one-to-one correspondence with the connecting pipes;

the sealing mechanism comprises a supporting block, a push rod, a connecting rod, an extrusion plate, an air bag, a supporting plate and a supporting assembly, wherein the push rod and the supporting plate are coaxially arranged with the connecting pipe, the extrusion plate is perpendicular to the connecting pipe, the extrusion plate is arranged in the connecting pipe, a gap is arranged between the extrusion plate and the inner wall of the connecting pipe, the air bag is arranged on one side of the extrusion plate far away from the valve body, one end of the push rod is arranged on the other side of the extrusion plate, the other end of the push rod is hinged with a piston of a hydraulic cylinder through the connecting rod, the connecting rod is obliquely arranged, the distance between one end of the connecting rod close to the push rod and the plane where the extrusion plate is located is smaller than the distance between the other end of the connecting rod and the plane where the extrusion plate is located, the supporting block is arranged on the inner wall of the connecting pipe, a through hole is formed in the supporting block, the push rod penetrates through hole, and the push rod is in sliding connection with the inner wall of the through hole, the air bag abuts against the inner wall of the connecting pipe, the air bag is in sliding and sealing connection with the inner wall of the connecting pipe, the diameter of the supporting disc is smaller than the inner diameter of the connecting pipe, the supporting disc is arranged on one side, far away from the extrusion plate, of the air bag, the supporting disc abuts against the air bag, and the supporting assembly is arranged on one side, far away from the valve body, of the supporting disc;

the utility model discloses a valve body, including supporting disk, valve body, filtering mechanism, swivel becket, filter screen and rotating assembly, filtering mechanism is located one side of keeping away from the valve body of supporting disk, filtering mechanism includes swivel becket, filter screen and rotating assembly, the swivel becket sets up with the connecting pipe is coaxial, the inner wall slip and the sealing connection of swivel becket and connecting pipe, the filter screen is installed in the annular ring of swivel becket, rotating assembly is located between supporting disk and the swivel becket, rotating assembly is connected with supporting assembly, the axis of rotation is connected with the swivel becket transmission.

As preferred, in order to play the effect of supporting the supporting disk, the supporting component includes fixed block, carriage release lever, clean ring and first spring, carriage release lever and clean ring all with the coaxial setting of connecting pipe, the one end of carriage release lever sets up on the supporting disk, the fixed block sets up on the inner wall of connecting pipe, be equipped with the round hole on the fixed block, the carriage release lever passes the round hole, carriage release lever and the inner wall sliding connection of round hole, the one end of carriage release lever of keeping away from the supporting disk is connected with the fixed block through first spring, clean ring is located between gasbag and fixed block, the internal diameter of clean ring is greater than the diameter of supporting disk, the external diameter of clean ring equals with the internal diameter of connecting pipe, clean ring just with the inner wall slip of connecting pipe and sealed, clean ring is connected with the supporting disk, clean ring supports with the one side of being close to the valve body of fixed block and leans on, the first spring is in tension.

As preferred, in order to realize the rotation of swivel, the runner is located the one side of keeping away from the valve body of carriage release lever, the runner includes axis of rotation, bearing, ball, and vice, push pedal and two drive unit of ball, the push pedal is perpendicular with the carriage release lever, the push pedal sets up the one side of keeping away from the valve body at the carriage release lever, the screw rod of axis of rotation and ball all sets up with the connecting pipe is coaxial, the axis of rotation is located between swivel and the carriage release lever, the inner circle of bearing is installed in the axis of rotation, the outer lane setting of bearing is on the inner wall of connecting pipe, the axis of rotation is connected with the swivel, the vice screw rod setting of ball is in the one side that is close to the valve body of axis of rotation, drive unit uses the axis of rotation as center circumference evenly distributed, the push pedal passes through drive unit and is connected with the vice nut of ball.

Preferably, in order to realize the movement of the ball screw pair nut, the transmission unit comprises a second spring, a transmission rod and a connecting block, the transmission rod is parallel to the connecting pipe, one end of the transmission rod is abutted to the push plate, the other end of the transmission rod is connected with the ball screw pair nut, the connecting block is arranged on the inner wall of the connecting pipe, an assembling hole is formed in the connecting block, the transmission rod penetrates through the assembling hole, the transmission rod is slidably connected with the inner wall of the assembling hole, one side, far away from the valve body, of the transmission rod is connected with the connecting block through the second spring, and the second spring is in a stretching state.

Preferably, in order to facilitate the movement of the driving rod, both ends of the driving rod are provided with chamfers.

Preferably, in order to realize remote control, a PLC is arranged on the valve body, and the hydraulic cylinder is electrically connected with the PLC.

The pipeline transportation equipment for the natural gas has the advantages that the sealing performance is improved through the sealing mechanism, the sealing effect is prevented from being influenced by abrasion generated gaps, compared with the existing sealing mechanism, the sealing mechanism has the advantages that the air bag is soft, the functions of buffering and vibration reduction can be achieved, the hydraulic cylinder is prevented from being damaged due to impact, the practicability is higher, the function of filtering impurities in the natural gas is achieved through the filtering mechanism, compared with the existing filtering mechanism, the filtering mechanism can also prevent a filter screen from being blocked, meanwhile, the rotating ring is controlled to rotate through the movement of the supporting plate, the integrated linkage structure is achieved with the sealing mechanism, and the practicability is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a pipeline transportation apparatus for natural gas according to the present invention;

fig. 2 is a schematic structural view of a sealing mechanism of the pipeline transportation apparatus for natural gas of the present invention;

FIG. 3 is a schematic structural view of a support assembly of the pipeline transport equipment for natural gas of the present invention;

FIG. 4 is a schematic structural view of a rotating assembly of the pipeline transportation apparatus for natural gas of the present invention;

in the figure: 1. the automatic cleaning device comprises a valve body, a hydraulic cylinder, a connecting pipe, a supporting block, a push rod, a connecting rod, a pressing plate, an air bag, a supporting plate, a rotating ring, a filter screen, a fixing block, a moving rod, a cleaning ring, a first spring, a rotating shaft, a bearing, a ball screw pair, a push plate, a second spring, a transmission rod and a connecting block, wherein the hydraulic cylinder is 2, the connecting pipe is 3, the supporting block is 4, the push rod is 5, the connecting rod is 6, the pressing plate is 7, the air bag is 8, the supporting plate is 9, the rotating ring is 10, the filter screen is 11, the fixing block is 12, the moving rod is 13, the cleaning ring is 14, the first spring is 15, the rotating shaft is 16, the bearing is 17, the ball screw pair is 19, the push plate is 20, the second spring is 21, the transmission rod is 22, and the connecting block is connected with the ball screw pair.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-2, a pipeline transportation device for natural gas comprises a valve body 1, a hydraulic cylinder 2 and two connecting pipes 3, wherein the hydraulic cylinder 2 is vertically arranged at the top inside the valve body 1, the two connecting pipes 3 are respectively and horizontally arranged at two sides of the valve body 1, the two filter hole pipes are communicated through the valve body 1, the two connecting pipes 3 are coaxially arranged, the hydraulic cylinder 2 is positioned above the connecting pipes 3, the valve body 1 is provided with two sealing mechanisms and two filter mechanisms, and the sealing mechanisms and the filter mechanisms are in one-to-one correspondence with the connecting pipes 3;

the sealing mechanism comprises a supporting block 4, a push rod 5, a connecting rod 6, a squeezing plate 7, an air bag 8, a supporting plate 9 and a supporting assembly, wherein the push rod 5 and the supporting plate 9 are coaxially arranged with the connecting pipe 3, the squeezing plate 7 is perpendicular to the connecting pipe 3, the squeezing plate 7 is arranged in the connecting pipe 3, a gap is formed between the squeezing plate 7 and the inner wall of the connecting pipe 3, the air bag 8 is arranged on one side, away from the valve body 1, of the squeezing plate 7, one end of the push rod 5 is arranged on the other side of the squeezing plate 7, the other end of the push rod 5 is hinged with a piston of the hydraulic cylinder 2 through the connecting rod 6, the connecting rod 6 is obliquely arranged, the distance between one end, close to the push rod 5, of the connecting rod 6 and the plane where the squeezing plate 7 is located is smaller than the distance between the other end of the connecting rod 6 and the plane where the squeezing plate 7 is located, and the supporting block 4 is arranged on the inner wall of the connecting pipe 3, the supporting block 4 is provided with a through hole, the push rod 5 penetrates through the through hole, the push rod 5 is in sliding connection with the inner wall of the through hole, the air bag 8 is abutted against the inner wall of the connecting pipe 3, the air bag 8 is in sliding and sealing connection with the inner wall of the connecting pipe 3, the diameter of the supporting plate 9 is smaller than the inner diameter of the connecting pipe 3, the supporting plate 9 is arranged on one side, far away from the extrusion plate 7, of the air bag 8, the supporting plate 9 is abutted against the air bag 8, and the supporting assembly is arranged on one side, far away from the valve;

the utility model discloses a valve body 1, including supporting disk 9, filter mechanism, rotating ring 10, connecting pipe 3, inner wall slip and sealing connection, filter mechanism includes rotating ring 10, filter screen 11 and rotating assembly, rotating ring 10 and the coaxial setting of connecting pipe 3, rotating ring 10 and connecting pipe 3, filter screen 11 is installed in the annular ring of rotating ring 10, rotating assembly is located between supporting disk 9 and the rotating ring 10, rotating assembly is connected with supporting assembly, axis of rotation 16 is connected with rotating ring 10 transmission.

During the use of the device, two connecting pipes 3 are communicated with a pipeline, then a piston is lifted through a hydraulic cylinder 2, namely a push rod 5 can be driven by a connecting rod 6 to move on a supporting block 4 towards the direction close to a valve body 1, the push rod 5 moves to drive a squeezing plate 7 and an air bag 8 to synchronously move, and actually, the air bag 8 is in a squeezing state, after the air bag 8 moves towards the direction close to the valve body 1, the air bag 8 can be separated from a supporting disc 9, namely, the state of the air bag 8 can be recovered, a gap is generated between the air bag 8 and the inner wall of the connecting pipe 3, the supporting disc 9 can move towards the direction close to the valve body 1 through a supporting component, and during the stop movement of the supporting disc 9, a gap is generated between the supporting disc 9 and the air bag 8, meanwhile, the rotating component drives a rotating ring 10 to rotate through the supporting component, and the rotating ring 10 drives a filter screen 11 to rotate, at the moment, the natural gas can flow through the valve body 1 and the two connecting pipes 3, and the impurity in the natural gas can be intercepted through the filter screen 11, after the device is stopped to be used, the piston is moved downwards through the hydraulic cylinder 2, namely, the connecting rod 6 can drive the push rod 5 to move reversely, the reverse movement of the push rod 5 drives the extrusion disc and the air bag 8 to move reversely, the reverse movement of the air bag 8 drives the supporting disc 9 to move synchronously, and the supporting disc 9 can not continue to move reversely towards the direction close to and away from the valve body 1 through the supporting component, the air bag 8 can be extruded and deformed through the continuous movement of the extrusion disc towards the direction away from the valve body 1, so that the air bag 8 can be abutted against the inner walls of the connecting pipes 3, the effect of sealing the connecting pipes 3 can be achieved, and the gaps generated due to friction can be prevented through the deformed sealing connecting pipes 3 of the air bag 8, promoted sealed effect, supporting component passes through rotating assembly then can make swivel ring 10 antiport simultaneously, and the antiport of swivel ring 10 drives 11 antiport of filter screen, and here, through filter screen 11's rotation, then can make the impurity of holding back on the filter screen 11 remove towards keeping away from the rotation tube axis direction, prevent that impurity from concentrating on filter screen 11 and making filter screen 11 block up.

As shown in fig. 3, the support assembly includes a fixed block 12, a moving rod 13, a cleaning ring 14 and a first spring 15, the moving rod 13 and the cleaning ring 14 are coaxially disposed with the connecting pipe 3, one end of the moving rod 13 is disposed on the support plate 9, the fixed block 12 is disposed on the inner wall of the connecting pipe 3, a circular hole is disposed on the fixed block 12, the moving rod 13 passes through the circular hole, the moving rod 13 is slidably connected with the inner wall of the circular hole, one end of the moving rod 13, which is far away from the support plate 9, is connected with the fixed block 12 through the first spring 15, the cleaning ring 14 is disposed between the air bag 8 and the fixed block 12, the inner diameter of the cleaning ring 14 is larger than the diameter of the support plate 9, the outer diameter of the cleaning ring 14 is equal to the inner diameter of the connecting pipe 3, the cleaning ring 14 slides and is sealed with the inner wall of the connecting pipe 3, and the cleaning ring 14 is connected with the support plate 9, the cleaning ring 14 abuts against one side of the fixed block 12 close to the valve body 1, and the first spring 15 is in a stretched state.

When gasbag 8 is to being close to the removal of valve body 1 direction, then make the carriage release lever 13 move towards being close to valve body 1 direction through the elastic action of first spring 15, the removal of carriage release lever 13 drives supporting disk 9 synchronous motion, the removal of supporting disk 9 drives clean ring 14 and moves on the inner wall of connecting pipe 3, and when supporting disk 9 stopped moving, at this moment, gasbag 8 can continue when moving towards being close to valve body 1 direction, when gasbag 8 reverse movement, then can promote supporting disk 9 and move towards keeping away from valve body 1 direction, and make first spring 15 produce deformation, and when clean ring 14 supports with fixed block 12, then the connecting disk can't continue to move towards keeping away from valve body 1 direction.

As shown in fig. 4, the rotating assembly is located on the side of the moving rod 13 far away from the valve body 1, the rotating assembly comprises a rotating shaft 16, a bearing 17, a ball screw pair 18, a push plate 19 and two transmission units, the push plate 19 is perpendicular to the moving rod 13, the push plate 19 is arranged on one side of the moving rod 13 far away from the valve body 1, the rotating shaft 16 and the screw rod of the ball screw assembly 18 are both arranged coaxially with the connecting pipe 3, the rotating shaft 16 is located between the rotating ring 10 and the moving rod 13, the inner ring of the bearing 17 is mounted on the rotating shaft 16, the outer ring of the bearing 17 is arranged on the inner wall of the connecting pipe 3, the rotating shaft 16 is connected with the rotating ring 10, the screw rod of the ball screw assembly 18 is arranged on one side of the rotating shaft 16 close to the valve body 1, the transmission units are circumferentially and uniformly distributed by taking the axis of the rotating shaft 16 as a center, and the push plate 19 is connected with the nut of the ball screw pair 18 through the transmission units.

When the moving rod 13 moves towards the direction close to the valve body 1, the pushing plate 19 is driven to move synchronously, and the nut of the ball screw pair 18 moves towards the direction close to the valve body 1 on the screw rod of the ball screw pair 18 through the connecting unit, because the ball screw pair 18 can convert the rotary motion into the linear motion, or convert the linear motion into the rotary motion, thereby the screw rod of the ball screw pair 18 can drive the rotating shaft 16 to rotate under the supporting action of the bearing 17, the rotating shaft 16 rotates to drive the rotating ring 10 to rotate, and when the moving rod 13 drives the pushing plate 19 to move reversely, the nut of the ball screw pair 18 can move reversely on the screw rod of the ball screw pair 18, namely, the rotating shaft 16 can drive the rotating ring 10 to rotate reversely.

Preferably, in order to realize the movement of the nut of the ball screw assembly 18, the transmission unit includes a second spring 20, a transmission rod 21 and a connection block 22, the transmission rod 21 is parallel to the connection pipe 3, one end of the transmission rod 21 abuts against the push plate 19, the other end of the transmission rod 21 is connected with the nut of the ball screw assembly 18, the connection block 22 is arranged on the inner wall of the connection pipe 3, an assembly hole is arranged on the connection block 22, the transmission rod 21 passes through the assembly hole, the transmission rod 21 is slidably connected with the inner wall of the assembly hole, one side of the transmission rod 21, which is far away from the valve body 1, is connected with the connection block 22 through the second spring 20, and the second spring 20 is in a stretching state.

When the push plate 19 moves towards the direction close to the valve body 1, the transmission rod 21 drives the nut of the ball screw pair 18 on the connecting block 22 to move under the elastic action of the second spring 20, and after the push plate 19 moves, the push plate 19 can be separated from the transmission rod 21, when the push plate 19 moves in the reverse direction and abuts against the transmission rod 21, the transmission rod 21 can be pushed to move in the reverse direction, the nut of the ball screw pair 18 is driven to move in the reverse direction by the reverse movement of the transmission rod 21, and the second spring 20 is deformed, here, a gap exists between the push plate 19 and the transmission rod 21, the push plate 19 can vibrate and transmit the vibration to the inner wall of the connecting pipe 3, impurities on the inner wall of the connecting pipe 3 can be conveniently separated from the connecting pipe 3 through the vibration, and the cleaning effect of the connecting pipe 3 is improved.

Preferably, in order to facilitate the movement of the driving rod 21, both ends of the driving rod 21 are chamfered.

The chamfer serves to reduce the caliber of the transmission rod 21 when passing through the assembly hole, and has the effect of facilitating installation.

Preferably, in order to realize remote control, a PLC is provided on the valve body 1, and the hydraulic cylinder 2 is electrically connected to the PLC.

The staff sends a signal to the PLC through the remote control equipment, and the PLC can program the logic controller, and is mainly used for realizing central data processing, so that the PLC controls the hydraulic cylinder 2 to operate, and the remote control is realized.

Compared with the prior art, this a pipeline transportation equipment for natural gas has improved the leakproofness through sealing mechanism, prevent that wearing and tearing from producing the clearance and influence sealed effect, compare with current sealing mechanism, this sealing mechanism passes through 8 soft characteristics of gasbag, can also play the function of buffering and damping, prevent that pneumatic cylinder 2 from receiving the impact and damaging, the practicality is stronger, moreover, the function of impurity in the filtration natural gas has still been realized through filtering mechanism, compare with current filtering mechanism, this filtering mechanism can also prevent that filter screen 11 from blockking up, and simultaneously, the mobile control swivel becket 10 through supporting disk 9 rotates, integral type linkage structure has been realized with sealing mechanism, the practicality is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.