Automatic transmission and automatic purge device for sandblasting of petroleum pipeline and its use method

Abstract

The present invention discloses an automatic transmission and automatic purge device for sandblasting of a petroleum-specific pipeline and a method for using the device, wherein the automatic transmission and automatic purge device for sandblasting of a petroleum-specific pipeline comprises a track, a pipe turning station and a purge station; the track is arranged on a track bracket, and the track at the pipe turning station is higher than the track at the purge station, so that the pipeline can roll from the pipe turning station to the purge station; the pipe turning station has a pipe turning mechanism and a block, the block is installed on the track, and is used to block the rolling of the pipeline, and the pipe turning mechanism is used to turn the pipeline blocked by the block to the pipe turning mechanism, and turn the pipeline from the pipe turning mechanism to the track between the pipe turning station and the purge station. The device and the method for using the present invention can save manpower and improve production efficiency, and at the same time, the air outlet pipe of the purge mechanism can be adjusted in height and left and right positions according to actual production needs, and can meet the purge needs of various pipelines.

Description

Technical Field

[0001] The invention belongs to the technical field of sandblasting, and in particular relates to an automatic transmission and automatic purge device for sandblasting a petroleum-specific pipeline and a use method thereof. Background Art

[0002] Sandblasting and purging of petroleum-specific pipelines are the preparatory steps for pipeline painting. The existing sandblasting and purging equipment is relatively complex and has a low degree of automation, which wastes manpower and material resources, reduces work efficiency, and is not conducive to the long-term development of the company. Summary of the invention

[0003] In order to solve the above problems, the present invention discloses an automatic transmission and automatic blowing device for sandblasting of petroleum-specific pipelines, which has a high degree of automation, can save manpower and improve production efficiency.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is:

[0005] Automatic transmission and automatic purge device for sandblasting of petroleum pipelines, including tracks, pipe turning stations and purge stations;

[0006] The track is arranged on the track bracket, and the track at the pipe turning station is higher than the track at the purge station, so that the pipeline can be rolled from the pipe turning station to the purge station;

[0007] The pipe turning station has a pipe turning mechanism and a stopper, wherein the stopper is installed on the track to prevent the pipe from rolling, and the pipe turning mechanism is used to turn the pipe blocked by the stopper to the pipe turning mechanism, and turn the pipe from the pipe turning mechanism to the track between the pipe turning station and the purge station;

[0008] The purging station has a purging mechanism and a plurality of pin stoppers, wherein the pin stoppers are installed on the track to prevent the pipeline from rolling, and the purging mechanism is installed on one side of the track to purge impurities in the pipeline.

[0009] Furthermore, the tube turning mechanism comprises a power source tube turning mechanism and a plurality of driven turning mechanisms, and the power source tube turning mechanism drives the driven turning mechanisms to move via a connecting rod.

[0010] Furthermore, the power source pipe turning mechanism includes a pipe turning bracket, a cylinder, a connecting rod, a rotating shaft, a rotating support, a flap, a first rotating wheel and a second rotating wheel. The pipe turning bracket is fixed between the rails, the rear end cover of the cylinder is vertically fixed to the rail bracket, the rotating shaft is fixed to the pipe turning bracket through the two rotating supports, the piston rod of the cylinder and the rotating shaft are connected through the connecting rod, the flap is fixed to the rotating shaft, the first rotating wheel and the second rotating wheel are both fixed to the pipe turning bracket, and the first rotating wheel and the second rotating wheel are arranged along the line direction of the track, and the axes of the first rotating wheel and the second rotating wheel are perpendicular to the line direction of the track, and the flap is provided with a protrusion on the side close to the first rotating wheel, and the distance between the protrusion and the first rotating wheel is smaller than the distance between the protrusion and the second rotating wheel.

[0011] Furthermore, compared with the power source tube turning mechanism, the driven turning mechanism has the same structure as the power source tube turning mechanism except that it does not have a cylinder.

[0012] Furthermore, the purge mechanism includes a purge bracket, a longitudinal adjustment screw, a longitudinal adjustment fixing sleeve, a longitudinal adjustment connecting sleeve, a longitudinal guide rod, a longitudinal guide plate, a transverse adjustment screw, a transverse adjustment connecting sleeve, a transverse adjustment connecting seat, a transverse adjustment fixing plate, an air inlet pipe, an air outlet pipe, an air outlet pipe fixing groove, a trigger switch, a delay relay, and an electromagnetic valve. The purge bracket is installed on one side of the track, the longitudinal guide plate is located on the purge bracket, a guide groove is provided on the longitudinal guide plate, and the guide groove is parallel to the line direction of the track. The longitudinal guide rod is slidably installed on the guide groove, and the upper end of the longitudinal guide rod is connected to the air outlet pipe fixing groove. The transverse adjustment fixing plate is installed on the purge bracket away from the track. The transverse adjustment connecting seat is installed on the transverse adjustment fixing plate, and the transverse adjustment screw is rotatably installed on the transverse adjustment connecting On the connecting seat, the axis of the transverse adjustment screw is parallel to the line direction of the track, one end of the transverse adjustment screw is provided with a T-shaped handle, the middle part of the transverse adjustment screw is sleeved with the transverse adjustment connecting sleeve, the transverse adjustment connecting sleeve is connected with the longitudinal adjustment connecting sleeve, the longitudinal adjustment screw is threadedly connected in the longitudinal adjustment connecting sleeve, the lower end of the longitudinal adjustment screw is provided with a T-shaped handle, the upper end of the longitudinal adjustment screw is rotatably set in the longitudinal adjustment fixing sleeve, the longitudinal adjustment fixing sleeve is connected with the air outlet pipe fixing groove, the air outlet pipe is installed in the air outlet pipe fixing groove, and the air inlet pipe is connected with the air outlet pipe; the trigger switch is installed on the pipeline and is located before the line direction pin stopper of the track, the solenoid valve is installed on the air inlet pipe, and the time delay relay is electrically connected to the pin stopper, the trigger switch and the solenoid valve respectively.

[0013] Furthermore, the pin stop device includes a pin stop cylinder and a stop pin, the pin stop cylinder is installed on the track bracket, the stop pin is connected to the piston rod of the pin stop cylinder, and the pin stop cylinder drives the stop pin to extend and retract to block or release the pipeline.

[0014] The present invention also provides a method for using the above-mentioned automatic transmission and automatic purge device for sandblasting in a petroleum-specific pipeline, comprising the following steps:

[0015] (1) The pipeline rolls on the inclined track by its own gravity. When it is blocked by a block, the manual valve drives the cylinder to move, causing the flap to rotate and lift the pipeline between the first rotating wheel and the second rotating wheel;

[0016] (2) After the sandblasting is completed by the sandblasting mechanism, the manual valve drives the cylinder to rotate the flap to lift the pipe away from between the first rotating wheel and the second rotating wheel. Due to the protrusion on the flap, the pipe can roll toward the second rotating wheel;

[0017] (3) When the pipeline reaches the purge station, the stop pin will block the pipeline and the pipeline will start the trigger switch. The trigger switch will transmit the signal to the delay relay. The delay relay will open the solenoid valve after a delay of 5 seconds. The high-pressure air from the intake pipe will purge the impurities in the pipeline. After the delay relay works for 5-30 seconds, the solenoid valve will be disconnected and the stop pin will drop, allowing the pipeline to reach the next process.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. When the present invention is used, the pipeline rolls on the inclined track by its own gravity. When it is blocked by the block, the manual valve drives the cylinder to move, so that the flap rotates to lift the pipeline between the first rotating wheel and the second rotating wheel. After the sandblasting is completed by the sandblasting mechanism, the manual valve drives the cylinder to move to rotate the flap to lift the pipeline away from between the first rotating wheel and the second rotating wheel. Since there is a protrusion on the flap, the pipeline can roll to the side of the second rotating wheel. When the pipeline reaches the purge station, the stop pin will block the pipeline and the pipeline will start the trigger switch. The trigger switch transmits the signal to the delay relay. The delay relay opens the solenoid valve after a delay of 5s, and the high-pressure air from the intake pipe will purge the impurities in the pipeline. After the delay relay works for 5-30s, the solenoid valve is disconnected and the stop pin drops, so that the pipeline reaches the next process.

[0020] 2. The air outlet pipe of the purge mechanism of the present invention can be adjusted in height and left and right positions through a T-shaped handle according to actual production needs, which can meet the purge needs of various pipelines, greatly saving time and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0022] Figure 1 A top view of the present invention;

[0023] Figure 2 This is a front view of the purge mechanism of the present invention;

[0024] Figure 3 It is a left side view of the purge mechanism of the present invention;

[0025] Figure 4 It is a top view of the power source pipe turning mechanism of the present invention;

[0026] Figure 5 It is a side view of the power source tube turning mechanism of the present invention. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0028] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the present application will be clearly and completely described below in combination with the embodiment of the present application. Obviously, the described embodiment is only a part of the embodiment of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0029] like Figure 1-5 As shown, the automatic transmission and automatic purge device for sandblasting of petroleum pipelines comprises a track 1, a pipe turning station 2 and a purge station 3;

[0030] The track 1 is arranged on the track bracket, and the track 1 located at the tube turning station 2 is higher than the track 1 located at the purge station 3, so that the pipeline can be rolled from the tube turning station 2 to the purge station 3;

[0031] The pipe turning station 2 has a pipe turning mechanism and a stopper 4, wherein the stopper 4 is installed on the track 1 to prevent the pipe from rolling, and the pipe turning mechanism is used to turn the pipe blocked by the stopper 4 to the pipe turning mechanism, and turn the pipe from the pipe turning mechanism to the track 1 between the pipe turning station 2 and the purge station 3;

[0032] The purging station 3 has a purging mechanism 5 and a plurality of pin stoppers 6. The pin stoppers 6 are installed on the track 1 to prevent the pipeline from rolling. The purging mechanism 5 is installed on one side of the track 1 to purge impurities in the pipeline.

[0033] The tube turning mechanism comprises a power source tube turning mechanism 7 and a plurality of driven tube turning mechanisms 8. The power source tube turning mechanism 7 drives the driven tube turning mechanisms 8 to move via a connecting rod.

[0034] The power source pipe turning mechanism 7 includes a pipe turning bracket 71, a cylinder 72, a connecting rod 73, a rotating shaft 74, a rotating support 75, a flap 76, a first rotating wheel 77 and a second rotating wheel 78. The pipe turning bracket 71 is fixed between the tracks 1, the rear end cover of the cylinder 72 is vertically fixed to the track bracket, the rotating shaft 74 is fixed to the pipe turning bracket 71 through the two rotating supports 75, the piston rod of the cylinder 72 and the rotating shaft 74 are connected through the connecting rod 73, the flap 76 is fixed to the rotating shaft 74, and the The first rotating wheel 77 and the second rotating wheel 78 are both fixed on the tube turning bracket 71, and the first rotating wheel 77 and the second rotating wheel 78 are arranged along the line direction of the track 1, and the axes of the first rotating wheel 77 and the second rotating wheel 78 are perpendicular to the line direction of the track 1, and the flap 76 is provided with a protrusion 761 on the side close to the first rotating wheel 77, and the distance between the protrusion 761 and the first rotating wheel 77 is smaller than the distance between the protrusion 761 and the second rotating wheel 78.

[0035] Compared with the power source tube turning mechanism 7 , the driven tube turning mechanism 8 has the same structure except that it does not have the cylinder 72 .

[0036] The purge mechanism 5 includes a purge bracket 51, a longitudinal adjustment screw 52, ​​a longitudinal adjustment fixing sleeve 53, a longitudinal adjustment connecting sleeve 54, a longitudinal guide rod 55, a longitudinal guide plate, a transverse adjustment screw 56, a transverse adjustment connecting sleeve, a transverse adjustment connecting seat 57, a transverse adjustment fixing plate 58, an air inlet pipe 59, an air outlet pipe 510, an air outlet pipe fixing groove 511, a trigger switch, a delay relay, and a solenoid valve. The purge bracket 51 is installed on one side of the track 1, the longitudinal guide plate is located on the purge bracket 51, a guide groove is provided on the longitudinal guide plate, and the guide groove is parallel to the line direction of the track 1. The longitudinal guide rod 55 is slidably installed on the guide groove, and the upper end of the longitudinal guide rod 55 is connected to the air outlet pipe fixing groove 511. The transverse adjustment fixing plate 58 is installed on the purge bracket 51 away from the track 1. The transverse adjustment connecting seat 57 is installed on the transverse adjustment fixing plate 58. The transverse adjustment screw 56 is rotatably installed on the transverse adjustment On the connecting seat 57, the axis of the transverse adjustment screw 56 is parallel to the line direction of the track 1, one end of the transverse adjustment screw 56 is provided with a T-shaped handle, the middle part of the transverse adjustment screw 56 is sleeved with the transverse adjustment connecting sleeve, the transverse adjustment connecting sleeve is connected to the longitudinal adjustment connecting sleeve 54, the longitudinal adjustment screw 52 is threadedly connected in the longitudinal adjustment connecting sleeve 54, the lower end of the longitudinal adjustment screw 52 is provided with a T-shaped handle, the upper end of the longitudinal adjustment screw 52 is rotatably set in the longitudinal adjustment fixing sleeve 53, the longitudinal adjustment fixing sleeve 53 is connected to the air outlet pipe fixing groove 511, the air outlet pipe 510 is installed in the air outlet pipe fixing groove 511, and the air inlet pipe 59 is connected to the air outlet pipe 510; the trigger switch is installed on the pipeline and is located before the line direction pin stopper 6 of the track 1, the solenoid valve is installed on the air inlet pipe 59, and the delay relay is electrically connected to the pin stopper 6, the trigger switch, and the solenoid valve respectively.

[0037] The pin stop device 6 includes a pin stop cylinder and a stop pin. The pin stop cylinder is installed on the track bracket. The stop pin is connected to the piston rod of the pin stop cylinder. The pin stop cylinder drives the stop pin to extend and retract to block or release the pipeline.

[0038] The method for using the automatic transmission and automatic purge device for sandblasting of petroleum pipelines includes the following steps:

[0039] (1) The pipeline rolls on the inclined track 1 by its own gravity. When it is blocked by the block 4, the cylinder 72 is driven by the manual valve to move, so that the flap 76 rotates to lift the pipeline to between the first rotating wheel 77 and the second rotating wheel 78;

[0040] (2) After the sandblasting is completed by the sandblasting mechanism, the manual valve drives the cylinder 72 to rotate the flap 76 to lift the pipe away from between the first rotating wheel 77 and the second rotating wheel 78. Since there is a protrusion 761 on the flap 76, the pipe can roll toward the second rotating wheel 78.

[0041] (3) When the pipeline reaches the purge station 3, the stop pin will block the pipeline and the pipeline will start the trigger switch. The trigger switch will transmit the signal to the delay relay. The delay relay will open the solenoid valve after a delay of 5 seconds. The high-pressure air from the intake pipe 59 will purge the impurities in the pipeline. After the delay relay works for 5-30 seconds, the solenoid valve is disconnected and the stop pin drops, allowing the pipeline to reach the next process.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, component splitting or combination, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Automatic transmission and automatic purge device for sandblasting of petroleum pipelines, characterized in that: Includes tracks, tube turning stations and purge stations; The track is arranged on the track bracket, and the track at the pipe turning station is higher than the track at the purge station, so that the pipeline can be rolled from the pipe turning station to the purge station; The pipe turning station has a pipe turning mechanism and a stopper, wherein the stopper is installed on the track to prevent the pipe from rolling, and the pipe turning mechanism is used to turn the pipe blocked by the stopper to the pipe turning mechanism, and turn the pipe from the pipe turning mechanism to the track between the pipe turning station and the purge station; The purge station has a purge mechanism and a plurality of pin stoppers, the pin stoppers are installed on the track to prevent the pipeline from rolling, and the purge mechanism is installed on one side of the track to purge impurities in the pipeline; The tube turning mechanism comprises a power source tube turning mechanism and a plurality of driven turning mechanisms, wherein the power source tube turning mechanism drives the driven turning mechanisms to move through a connecting rod; The power source pipe turning mechanism includes a pipe turning bracket, a cylinder, a connecting rod, a rotating shaft, a rotating support, a flap, a first rotating wheel and a second rotating wheel. The pipe turning bracket is fixed between the rails, and the rear end cover of the cylinder is vertically fixed to the rail bracket. The rotating shaft is fixed to the pipe turning bracket through the two rotating supports. The piston rod of the cylinder and the rotating shaft are connected through the connecting rod. The flap is fixed to the rotating shaft. The first rotating wheel and the second rotating wheel are both fixed to the pipe turning bracket, and the first rotating wheel and the second rotating wheel are arranged along the line direction of the track. At the same time, the axes of the first rotating wheel and the second rotating wheel are perpendicular to the line direction of the track. A protrusion is provided on the flap close to the first rotating wheel. The distance between the protrusion and the first rotating wheel is smaller than the distance between the protrusion and the second rotating wheel.

2. The automatic transmission and automatic blowing device for sandblasting of petroleum pipelines according to claim 1 is characterized in that: Compared with the power source tube turning mechanism, the driven turning mechanism has the same structure except that it does not have a cylinder.

3. The automatic transmission and automatic blowing device for sandblasting of petroleum pipelines according to claim 1 is characterized in that: The purge mechanism includes a purge bracket, a longitudinal adjustment screw, a longitudinal adjustment fixing sleeve, a longitudinal adjustment connecting sleeve, a longitudinal guide rod, a longitudinal guide plate, a transverse adjustment screw, a transverse adjustment connecting sleeve, a transverse adjustment connecting seat, a transverse adjustment fixing plate, an air inlet pipe, an air outlet pipe, an air outlet pipe fixing groove, a trigger switch, a delay relay, and an electromagnetic valve. The purge bracket is installed on one side of the track, the longitudinal guide plate is located on the purge bracket, a guide groove is provided on the longitudinal guide plate, and the guide groove is parallel to the line direction of the track. The longitudinal guide rod is slidably installed on the guide groove, and the upper end of the longitudinal guide rod is connected to the air outlet pipe fixing groove. The transverse adjustment fixing plate is installed on the purge bracket away from the track. The transverse adjustment connecting seat is installed on the transverse adjustment fixing plate, and the transverse adjustment screw is rotatably installed on the transverse adjustment connecting seat The axis of the transverse adjustment screw is parallel to the line direction of the track, one end of the transverse adjustment screw is provided with a T-shaped handle, the middle part of the transverse adjustment screw is sleeved with the transverse adjustment connecting sleeve, the transverse adjustment connecting sleeve is connected to the longitudinal adjustment connecting sleeve, the longitudinal adjustment screw is threadedly connected in the longitudinal adjustment connecting sleeve, the lower end of the longitudinal adjustment screw is provided with a T-shaped handle, the upper end of the longitudinal adjustment screw is rotatably set in the longitudinal adjustment fixing sleeve, the longitudinal adjustment fixing sleeve is connected to the air outlet pipe fixing groove, the air outlet pipe is installed in the air outlet pipe fixing groove, and the air inlet pipe is connected to the air outlet pipe; the trigger switch is installed on the pipeline and is located before the line direction pin stopper of the track, the solenoid valve is installed on the air inlet pipe, and the delay relay is electrically connected to the pin stopper, the trigger switch, and the solenoid valve respectively.

4. The automatic transmission and automatic blowing device for sandblasting of petroleum pipelines according to claim 3 is characterized in that: The pin stop device includes a pin stop cylinder and a stop pin. The pin stop cylinder is installed on a track bracket. The stop pin is connected to the piston rod of the pin stop cylinder. The pin stop cylinder drives the stop pin to extend and retract to block or release the pipeline.

5. The method for using the automatic transmission and automatic purge device for sandblasting of petroleum pipelines according to any one of claims 1 to 2 is characterized in that: The following steps are involved: (1) The pipeline rolls on the inclined track by its own gravity. When it is blocked by a block, the manual valve drives the cylinder to move, causing the flap to rotate and lift the pipeline between the first rotating wheel and the second rotating wheel; (2) After the sandblasting is completed by the sandblasting mechanism, the manual valve drives the cylinder to rotate the flap to lift the pipe away from between the first rotating wheel and the second rotating wheel. Due to the protrusion on the flap, the pipe can roll toward the second rotating wheel; (3) When the pipeline reaches the purge station, the stop pin will block the pipeline and the pipeline will start the trigger switch. The trigger switch will transmit the signal to the delay relay. The delay relay will open the solenoid valve after a delay of 5 seconds. The high-pressure air from the intake pipe will purge the impurities in the pipeline. After the delay relay works for 5-30 seconds, the solenoid valve is disconnected and the stop pin drops, allowing the pipeline to reach the next process.

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