A valve control device and system for extraction pipelines and its usage method

Abstract

This invention discloses a valve control device and system for extraction pipelines and its usage method, including a valve drive motor, a valve drive linkage, a trolley, and a track. The valve drive linkage is fixed to the rotational power output shaft of the valve drive motor, and the valve drive motor is fixed to the trolley via a motor frame. The trolley can slide along the track. The trolley drives the valve drive motor to move, and the valve drive linkage controls the valve status of each borehole pipeline. This invention controls the valve drive motor to rotate the valve drive linkage, thereby driving the valve wrench to rotate, achieving valve control of the extraction pipeline. Furthermore, by moving the trolley, the valve drive motor and valve drive linkage are moved and positioned, enabling valve control of multiple extraction pipelines. Compared to previous methods using explosion-proof electric three-way valves and explosion-proof electric check valves, this invention offers advantages such as low cost, small size, light weight, easy installation, no need for significant modifications to the extraction pipelines and valves, and a simple control system.

Description

Technical Field

[0001] This invention relates to the field of coal mine gas extraction technology, and in particular to a valve control device and system for extraction pipelines and its usage method. Background Technology

[0002] In underground coal mines, a dense drilling method is commonly used to extract gas from the coal seam to the surface via a gas drainage system. During the drainage process, the valves in the drainage pipelines of each borehole need to be adjusted according to the drainage situation of each borehole to achieve a reasonable distribution of negative pressure. Currently, the valve control method for gas drainage pipelines mostly relies on manual adjustment. Due to the large number of boreholes in the drainage area of ​​an underground mine—typically more than 500 boreholes in a single longwall face and more than 50 boreholes in each unit of the area—it is difficult to ensure the timeliness and accuracy of borehole adjustment. If each borehole were equipped with electrically controlled valves, the large number of boreholes would result in high costs, a complex control system, and difficult valve installation and wiring, making it unsuitable for widespread application.

[0003] If each borehole is equipped with an explosion-proof electronic valve with controllable opening, the cost of such valves is high, and with numerous boreholes, the electrical control system is extremely complex, and there are significant problems with installation and recycling, making widespread application impossible.

[0004] To solve the above problems, there is an urgent need for a valve control device, system and method for extraction pipelines. Based on the existing pipeline valve system, it can realize the negative pressure regulation of each borehole without the need for major modifications to the existing extraction pipelines and valves. It requires less work, has low cost, good stability and is suitable for widespread application. Summary of the Invention

[0005] This invention addresses the aforementioned problems and overcomes the shortcomings of existing technologies by providing a valve control device and system for gas extraction pipelines, along with its usage method. The invention controls the valve status of each borehole pipeline by using a trolley to move a valve drive motor and a valve drive linkage to control the rotation of the valve wrench, thereby achieving the adjustment of the conduction status of each borehole gas extraction pipeline. This forms a gas extraction borehole pipeline conduction status control system, achieving a reasonable adjustment and distribution of negative pressure during borehole extraction, and effectively solving the aforementioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution.

[0007] This invention discloses a valve control device for a drilling pipeline, comprising a valve drive motor, a valve drive linkage, a trolley, and a track; wherein, the valve drive linkage is fixed on the rotational power output shaft of the valve drive motor, the valve drive motor is fixed on the trolley via a motor frame, and the trolley can slide along the track; the trolley drives the valve drive motor to move, and the valve drive linkage controls the valve status of each borehole pipeline.

[0008] As a preferred embodiment of the present invention, the trolley includes a trolley body, a motor frame, a first chassis drive wheel, and an identification device; the bottom of the trolley body is a first chassis, the first chassis drive wheel is disposed on the first chassis, the motor frame is disposed on the top of the trolley body, and the identification device is disposed on the top edge of the trolley body on the same side as the valve drive linkage.

[0009] Furthermore, the trolley also includes a chassis connecting frame, a second chassis, a second chassis anti-rollover wheel, and a cable adapter. The second chassis is connected to the bottom of the trolley body through the chassis connecting frame. The second chassis anti-rollover wheel is mounted on the second chassis, and the cable adapter is located at one edge of the bottom of the trolley body.

[0010] As another preferred embodiment of the present invention, the track includes an upper track and a lower track, a first chassis drive wheel and a second chassis anti-tipping wheel are slidably connected to the upper track, and the lower track is slidably connected to the cable that supplies power and communication to the trolley.

[0011] As another preferred embodiment of the present invention, the valve used for regulating the extraction pipeline valve control device is a commonly used single-sided long-wrench ball valve in the extraction pipeline. The valve includes a valve body and a valve wrench, and the valve has fully open, fully closed and θ angle opening states.

[0012] This invention also discloses a method for using a valve control device for an extraction pipeline, comprising the following steps:

[0013] Step 1: Move the valve control device of the extraction pipeline so that it is aligned with a certain valve, so that the center line of the rotation power output shaft of the valve drive motor is coaxial with the center line of the valve, and the path surface formed by the rotation of the valve drive linkage intersects with the rotation plane of the valve wrench. The initial position of the valve drive linkage does not coincide with the position of the valve wrench.

[0014] Step 2: Control the valve drive motor to rotate, which in turn drives the valve drive linkage to rotate. When the valve drive linkage comes into contact with the valve wrench, the valve drive linkage pushes the valve wrench to rotate, which in turn drives the valve core to rotate, thus realizing the switching between the three states of the valve.

[0015] Step 3: Move the extraction pipeline valve control device to the next valve position, and repeat Step 1 and Step 2 to achieve state control of multiple valves.

[0016] This invention also discloses a valve control system for a drainage pipeline, comprising a drainage pipeline system, a valve control device for the drainage pipeline, a main pipeline connector, a power supply and communication cable, a cable reel, and a control box; the drainage pipeline system and the valve control device are both mounted on the main pipeline connector, and valves are installed on the drainage pipeline system; one end of the power supply and communication cable is connected to a cable adapter, the main body of the power supply and communication cable is wound around the cable reel, and the other end of the power supply and communication cable is connected to the control box.

[0017] As a preferred embodiment of the present invention, the extraction pipeline system includes extraction pipelines, a main extraction pipeline, and extraction branch pipeline markings. Multiple extraction pipelines are connected to the main extraction pipeline, and valves are installed on each extraction pipeline. The extraction pipelines are parallel to each other. Extraction branch pipeline markings are set on the valves of each extraction pipeline or on the pipe wall of each extraction pipeline. The markings of the extraction branch pipelines are identified by the marking recognition device of the trolley, thereby realizing the positioning of the trolley.

[0018] As another preferred embodiment of the present invention, the main pipeline connector includes a track frame, a pipe clamp, and a fixing frame; the pipe clamp is fixedly connected to the extraction main pipeline, the track frame is fixedly connected to the track, and the fixing frame is fixedly connected to the surrounding rock; the main pipeline connector is used to maintain the relative position between the track, the extraction main pipeline, and the surrounding rock, thereby ensuring the relative position between the valve drive motor and the valve during valve regulation.

[0019] This invention also discloses a method for using a valve control system for extraction pipelines, comprising the following steps:

[0020] Step 1: Connect the extraction pipeline system. Connect the main pipeline connector to the main extraction pipeline, track, and surrounding rock. Ensure that the track is parallel to the main extraction pipeline, that the valves of each extraction pipeline are at the same height as the main extraction pipeline, and that the rotation plane of the valve wrench of each extraction pipeline is perpendicular to the plane of the upper track.

[0021] Step 2: Install the trolley on the track, connect the power supply and communication cables to the cable adapter, and set the initial position of the valve drive linkage of the trolley to ensure that the valve drive linkage in the initial position will not collide with the valve wrench in the three valve states and the extraction pipeline during the movement of the trolley along the track.

[0022] Step 3: When it is necessary to adjust a certain extraction pipeline, send a command. After the control chip inside the host computer, control box or trolley determines the location of the extraction pipeline, control the trolley to move along the track to the valve position of the extraction pipeline, and at the same time control the cable reel to perform the corresponding cable winding and unwinding actions.

[0023] Step 4: After moving to the valve position of the extraction pipeline, control the rotation power output shaft of the valve drive motor to drive the valve drive linkage to rotate, thereby controlling the valve wrench of the extraction pipeline to rotate, realizing the valve regulation of the extraction pipeline. After regulation is completed, control the valve drive motor to drive the valve drive linkage to rotate back to the initial position along the original path.

[0024] Step 5: Repeat steps 3 and 4 to achieve remote control of valves in each extraction pipeline.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] This system controls valve regulation in the extraction pipeline by rotating a valve drive motor that drives a valve drive linkage, which in turn rotates a valve wrench. A mobile trolley moves the valve drive motor and linkage to achieve positioning and control of valves in multiple extraction pipelines. To prevent the trolley from tipping over due to the reaction force of the valve drive motor, a double-chassis structure with tracks for the wheels and cables is designed. Cable retraction and deployment address real-time communication and power supply issues for the trolley. This system, along with the extraction pipeline system, cables, cable reel, control box, and branch pipeline markers, forms a comprehensive extraction pipeline valve control system. Compared to previous systems using explosion-proof electric three-way valves and explosion-proof electric check valves, this system offers advantages such as lower cost, smaller size, lighter weight, easier installation, no need for significant modifications to the extraction pipeline and valves, and a simpler control system. It also boasts high control precision and stability, enabling remote valve control in the extraction pipeline and is suitable for widespread application. Attached Figure Description

[0027] Figure 1 This is a structural diagram of the extraction pipeline valve control device and its matching track of the present invention.

[0028] Figure 2 This is a side view of the extraction pipeline valve control device of the present invention;

[0029] Figure 3 This is a top view of the extraction pipeline valve control device of the present invention;

[0030] Figure 4 This is a schematic diagram of the extraction pipeline valve control device and the initial state of the valve according to the present invention;

[0031] Figure 5 This is a partial schematic diagram of the extraction pipeline valve control device and the initial state of the valve according to the present invention;

[0032] Figure 6 This is a schematic diagram of the valve control device for the extraction pipeline of the present invention, which controls the valve to an angle θ.

[0033] Figure 7This is a partial schematic diagram of the valve control device for the extraction pipeline of the present invention, which controls the valve to an angle θ.

[0034] Figure 8 This is a schematic diagram of the extraction pipeline valve control device of the present invention controlling the valve to 90°;

[0035] Figure 9 This is a partial schematic diagram of the extraction pipeline valve control device of the present invention controlling the valve to 90°;

[0036] Figure 10 This is a front view of the extraction pipeline valve control system of the present invention;

[0037] Figure 11 This is a side view of the extraction pipeline valve control system of the present invention;

[0038] Figure 12 This is a schematic diagram showing the positional relationship between the valves in the system and the valve control device in the extraction pipeline of the present invention;

[0039] The markings in the diagram are as follows: 1 is the valve drive motor, 2 is the valve drive linkage, 3 is the trolley, 4 is the track, 5 is the valve body, 6 is the extraction pipeline, 7 is the main pipeline connector, 8 is the power supply and communication cable, 9 is the cable reel, 10 is the control box, 301 is the trolley body, 302 is the motor frame, 303 is the first chassis drive wheel, 304 is the identification device, 305 is the chassis connecting frame, 306 is the second chassis, 307 is the second chassis anti-tipping wheel, 308 is the cable adapter, 401 is the upper track, 402 is the lower track, 501 is the valve wrench, 502 is the valve centerline, 601 is the main extraction pipeline, 602 is the extraction branch pipeline marker, 701 is the track frame, 702 is the pipe clamp, and 703 is the fixing frame. Detailed Implementation

[0040] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0041] Combination Figures 1 to 12 As shown, a valve control device for a pumping pipeline mainly includes: a valve drive motor 1, a valve drive linkage 2, a trolley 3, and a track 4; wherein the valve drive linkage 2 is fixed on the rotational power output shaft of the valve drive motor 1, the valve drive motor 1 is fixed on the trolley 3 through a motor frame 302, and the trolley 3 can slide along the track 4.

[0042] The vehicle 3 mainly includes a vehicle body 301, a motor frame 302, a first chassis drive wheel 303, and a sign recognition device 304; preferably, the vehicle 3 also includes a chassis connecting frame 305, a second chassis 306, a second chassis anti-rollover wheel 307, and a cable adapter 308.

[0043] Among them, the vehicle body 301 is fixed with an identification device 304 and a cable adapter 308. The identification device 304 is used to identify external identification objects to realize the positioning of the vehicle 3. The cable adapter 308 is used to be fixedly connected to the cable to realize the power supply and real-time communication of the vehicle body 301.

[0044] The bottom of the car body 301 is the first chassis, and the first chassis drive wheel 303 is installed on the first chassis. In order to prevent the reaction force of the valve drive motor 1 driving the valve from causing the car 3 to overturn, a second chassis 306 is also provided. The second chassis 306 is fixedly connected to the bottom of the car body 301 through the chassis connecting frame 305. The second chassis 306 is provided with a second chassis anti-rollover wheel 307.

[0045] Track 4 mainly includes an upper track 401 and a lower track 402. The first chassis drive wheel 303 and the second chassis anti-tipping wheel 307 are slidably connected to the upper track 401, and the lower track 402 is slidably connected to the cable that supplies power and communication to the trolley 3.

[0046] The valve used in conjunction with the valve control device of the extraction pipeline is preferably a single-sided long-wrench ball valve commonly used in the extraction pipeline. The valve mainly includes a valve body 5 and a valve wrench 501. The valve has fully open, fully closed and θ angle opening states.

[0047] Using the above-mentioned extraction pipeline valve control device, a method for using the extraction pipeline valve control device is provided;

[0048] Step 1: Move the valve control device of the extraction pipeline to align it with a certain valve, so that the center line of the rotation power output shaft of the valve drive motor 1 is approximately coaxial with the valve center line 502, and the path surface formed by the rotation of the valve drive linkage 2 intersects with the rotation plane of the valve wrench 501. The initial position of the valve drive linkage 2 does not coincide with the position of the valve wrench 501.

[0049] Step 2: Control the valve drive motor 1 to rotate, which in turn drives the valve drive linkage 2 to rotate. When the valve drive linkage 2 abuts against the valve wrench 501, the valve drive linkage 2 pushes the valve wrench 501 to rotate, which in turn drives the valve core to rotate, thus realizing the switching between the three states of the valve.

[0050] Step 3: Move the extraction pipeline valve control device to the next valve position, and repeat steps 1 and 2 to achieve status control of multiple valves.

[0051] Using the above-mentioned extraction pipeline valve control device, an extraction pipeline valve control system is provided, which includes an extraction pipeline system, an extraction pipeline valve control device, a main pipeline connector 7, a power supply and communication cable 8, a cable reel 9, and a control box 10.

[0052] The extraction pipeline system mainly includes extraction pipelines 6, main extraction pipeline 601, and extraction branch pipeline markers 602; multiple extraction pipelines 6 are connected to the main extraction pipeline 601, each extraction pipeline 6 is equipped with a valve, and the extraction pipelines 6 are approximately parallel to each other; the extraction branch pipeline markers 602 are set on the valves of each extraction pipeline 6 or on the pipe wall of the extraction pipeline 6, and the extraction branch pipeline markers 602 are identified by the marker identifier 304 of the trolley 3, thereby realizing the positioning of the trolley;

[0053] The main pipeline connector 7 mainly includes a track frame 701, a pipe clamp 702, and a fixing frame 703; the pipe clamp 702 is fixedly connected to the extraction main pipeline 601, the track frame 701 is fixedly connected to the track 4, and the fixing frame 703 is fixedly connected to the surrounding rock; the track and the main pipeline connector 7 are used to maintain the relative positions between the track 4, the extraction main pipeline 601, and the surrounding rock, thereby ensuring the relative position between the valve drive motor 1 and the valve when the valve is adjusted;

[0054] One end of the power supply and communication cable 8 is connected to the cable adapter 308, and the other end is wound around the coiler 9 and connected to the control box 10.

[0055] Using the above-mentioned extraction pipeline valve control system, a method for using the extraction pipeline valve control system is provided;

[0056] Step 1: Connect the extraction pipeline system. Connect the main pipeline connector 7 to the extraction main pipeline 601, the track 4, and the surrounding rock. Ensure that the track 4 is approximately parallel to the extraction main pipeline 601, and ensure that the valves of each extraction pipeline 6 are at the same height as the extraction main pipeline 601. Also, ensure that the rotation plane of the valve wrench 501 of each extraction pipeline 6 is approximately perpendicular to the plane of the upper track 401.

[0057] Step 2: Install the trolley 3 on the track 4, connect the power supply and communication cable 8 to the cable adapter 308, set the initial position of the valve drive linkage 2 of the trolley 3, and ensure that the valve drive linkage 2 in the initial position will not collide with the valve wrench 501 in the three valve states and the extraction pipeline 6 during the movement of the trolley 3 along the track.

[0058] Step 3: When it is necessary to adjust a certain extraction pipeline 6, send a command. After the host computer, control box 10 or the control chip inside the trolley 3 determines the location of the extraction pipeline 6, control the trolley 3 to move along the track to the valve position of the extraction pipeline 6, and at the same time control the cable reel 9 to perform the corresponding cable winding and unwinding actions.

[0059] Step 4: After moving to the valve position of the extraction pipeline 6, control the rotation power output shaft of the valve drive motor 1 to drive the valve drive linkage 2 to rotate, so as to control the valve wrench 501 of the extraction pipeline 6 to rotate, thereby realizing the valve regulation of the extraction pipeline 6. After the regulation is completed, control the valve drive motor 1 to drive the valve drive linkage 2 to rotate back to the initial position along the original path.

[0060] Step 5: Repeat steps 3 and 4 to achieve remote control of the valves in each extraction pipeline 6.

[0061] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms may refer to different embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0062] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0063] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A valve control device for an extraction pipeline, characterized in that, The system includes a valve drive motor, a valve drive linkage, a trolley, and a track. The valve drive linkage is fixed to the rotational power output shaft of the valve drive motor, and the valve drive motor is fixed to the trolley, which can slide along the track. The trolley drives the valve drive motor, and the valve drive linkage controls the valve status of each borehole pipeline. The trolley includes a trolley body, a motor frame, a first chassis drive wheel, and a marker / identifier. The bottom of the trolley body is the first chassis, and the first chassis drive wheel is mounted on the first chassis. The motor frame is mounted on the top of the trolley body, and the marker / identifier is located on the top edge of the trolley body on the same side as the valve drive linkage. The trolley also includes... The system includes a chassis connecting frame, a second chassis, a second chassis anti-rollover wheel, and a cable adapter. The second chassis is connected to the bottom of the trolley body via the chassis connecting frame. The second chassis anti-rollover wheel is mounted on the second chassis, and the cable adapter is located at one edge of the bottom of the trolley body. The track includes an upper track and a lower track. The first chassis drive wheel and the second chassis anti-rollover wheel are slidably connected to the upper track, and the lower track is slidably connected to the cable that supplies power and communication to the trolley. The valve used for regulating the extraction pipeline valve is a commonly used single-sided long-wrench ball valve in extraction pipelines. The valve includes a valve body and a valve wrench, and the valve has fully open, fully closed, and θ-angle opening states.

2. A method for using a valve control device for an extraction pipeline, characterized in that, Includes the following steps: Step 1: Move the extraction pipeline valve control device as described in claim 1 so that it is aligned with a certain valve, so that the center line of the rotation power output shaft of the valve drive motor is coaxial with the center line of the valve, and the path surface formed by the rotation of the valve drive linkage intersects with the rotation plane of the valve wrench, and the initial position of the valve drive linkage does not coincide with the position of the valve wrench. Step 2: Control the valve drive motor to rotate, which in turn drives the valve drive linkage to rotate. When the valve drive linkage comes into contact with the valve wrench, the valve drive linkage pushes the valve wrench to rotate, which in turn drives the valve core to rotate, thus realizing the switching between the three states of the valve. Step 3: Move the extraction pipeline valve control device to the next valve position, and repeat Step 1 and Step 2 to achieve state control of multiple valves.

3. A valve control system for an extraction pipeline, characterized in that, The device includes a drainage pipeline system, a drainage pipeline valve control device as described in claim 1, a main pipeline connector, a power supply and communication cable, a cable reel, and a control box; the drainage pipeline system and the drainage pipeline valve control device are both mounted on the main pipeline connector, and valves are installed on the drainage pipeline system; one end of the power supply and communication cable is connected to a cable adapter, the main body of the power supply and communication cable is wound around the cable reel, and the other end of the power supply and communication cable is connected to the control box.

4. The extraction pipeline valve control system as described in claim 3, characterized in that, The extraction pipeline system includes extraction pipelines, a main extraction pipeline, and extraction branch pipeline markers. Multiple extraction pipelines are connected to the main extraction pipeline, and valves are installed on each extraction pipeline. The extraction pipelines are parallel to each other. Extraction branch pipeline markers are set on the valves of each extraction pipeline or on the pipe wall of each extraction pipeline. The extraction branch pipeline markers are identified by the marker recognition device of the trolley, thereby realizing the positioning of the trolley.

5. The extraction pipeline valve control system as described in claim 3, characterized in that, The main pipeline connector includes a track frame, pipe clamps, and a fixing frame; the pipe clamps are fixedly connected to the extraction main pipeline, the track frame is fixedly connected to the track, and the fixing frame is fixedly connected to the surrounding rock; the main pipeline connector is used to maintain the relative positions between the track, the extraction main pipeline, and the surrounding rock, thereby ensuring the relative position between the valve drive motor and the valve during valve regulation.

6. A method for using a valve control system for an extraction pipeline, characterized in that, The extraction pipeline valve control system according to any one of claims 3 to 5 includes the following steps: Step 1: Connect the extraction pipeline system. Connect the main pipeline connector to the main extraction pipeline, track, and surrounding rock. Ensure that the track is parallel to the main extraction pipeline, that the valves of each extraction pipeline are at the same height as the main extraction pipeline, and that the rotation plane of the valve wrench of each extraction pipeline is perpendicular to the plane of the upper track. Step 2: Install the trolley on the track, connect the power supply and communication cables to the cable adapter, and set the initial position of the valve drive linkage of the trolley to ensure that the valve drive linkage in the initial position will not collide with the valve wrench in the three valve states and the extraction pipeline during the movement of the trolley along the track. Step 3: When it is necessary to adjust a certain extraction pipeline, send a command. After the control chip inside the host computer, control box or trolley determines the location of the extraction pipeline, control the trolley to move along the track to the valve position of the extraction pipeline, and at the same time control the cable reel to perform the corresponding cable winding and unwinding actions. Step 4: After moving to the valve position of the extraction pipeline, control the rotation power output shaft of the valve drive motor to drive the valve drive linkage to rotate, thereby controlling the valve wrench of the extraction pipeline to rotate, realizing the valve regulation of the extraction pipeline. After regulation is completed, control the valve drive motor to drive the valve drive linkage to rotate back to the initial position along the original path. Step 5: Repeat steps 3 and 4 to achieve remote control of valves in each extraction pipeline.

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