Gas outburst prevention verification and discharge device and method, and digging-anchor integrated machine

Abstract

The present application relates to a kind of gas outburst prevention verification and discharge device, method and dig anchor integrated machine, including the drilling machine with drill rod, mounting bracket, lead export collection mechanism and adjusting support component, wherein, drilling machine is slidably arranged on mounting bracket, lead export collection mechanism includes base and conduit component, base is slidably arranged on mounting bracket, conduit component is arranged on base and can follow the synchronous sliding of base, mounting bracket is slidably arranged on adjusting support component, drive mounting bracket to the direction close to coal wall sliding to conduit component and coal wall abuts, drilling machine slides to the direction close to coal wall, the end of drill rod extends conduit component, and coal wall is drilled, and coal dust is discharged through conduit component.The device of the present application, operating personnel can realize while drilling while taking while measuring, and K1 value powder and S value detection can be carried out simultaneously through one drilling, and do not interfere with each other, detection data is real-time and accurate, can also reduce operation time, improve driving efficiency.

Description

Technical Field

[0001] This invention relates to the field of coal mining technology, specifically to a gas outburst prevention verification and emission device, method, and integrated tunneling and anchoring machine for high-gas roadways. Background Technology

[0002] The problem of slow tunneling speed is common in high-gas mines. This is because gas outburst mines need to predict the outburst risk of the working face. However, the current outburst prevention prediction process still relies on manual drilling to collect drill cuttings and measure two indicators: the gas desorption index K1 and the amount of drill cuttings S. This not only has a low degree of mechanization, high manual labor intensity, and poor safety, but also seriously restricts the tunneling efficiency. Summary of the Invention

[0003] In view of this, the present invention provides a gas outburst prevention verification and emission device for high-gas roadways, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art.

[0004] The second objective of this invention is to provide an integrated tunneling and anchoring machine containing a gas outburst prevention verification and emission device.

[0005] The third objective of this invention is to provide a method for verifying gas outburst prevention.

[0006] To achieve the aforementioned objectives, the technical solution adopted by the present invention is as follows:

[0007] A gas outburst prevention verification and emission device is used in a roadheader-anchor machine, the roadheader-anchor machine including a cutting arm, and the gas outburst prevention verification and emission device comprising:

[0008] A drilling rig, the drilling rig having a drill rod, the drill rod having helical blades arranged on its outer periphery along its length;

[0009] Mounting frame, the drilling rig is slidably mounted on the mounting frame;

[0010] The discharge collection mechanism includes a base slidably disposed on the mounting frame and a guide tube assembly disposed on the base and capable of sliding synchronously with the base. The guide tube assembly is disposed in front of the drilling rig and is also sleeved on the drill rod. The end of the guide tube assembly near the drilling rig is provided with a material guide port, and the end of the guide tube assembly away from the drilling rig is provided with a powder drop port.

[0011] An adjustable support assembly is provided on the cutting arm, the adjustable support assembly is used to support the mounting frame, and the mounting frame is slidably disposed on the adjustable support assembly. The adjustable support assembly is also used to allow the mounting frame to swing left and right.

[0012] The mounting frame is driven to slide towards the coal wall until the guide pipe assembly abuts against the coal wall. The drilling rig slides towards the coal wall, the end of the drill rod extends out of the guide pipe assembly, and drills a hole in the coal wall. Coal powder is discharged through the feed inlet and / or the powder discharge outlet.

[0013] In the gas outburst prevention verification and emission device described above, optionally, the discharge collection mechanism further includes a collection unit for receiving coal powder discharged from the feed port, a connecting pipe is provided between the feed port and the collection unit, and a weighing sensor is provided in the collection unit for weighing the collected coal powder.

[0014] Optionally, the discharge collection mechanism further includes a cap for covering the powder discharge port, a first drive mechanism for driving the cap to move to cover or open the powder discharge port, a receiving tank for receiving coal powder falling from the powder discharge port, a tray fixedly connected to the conduit assembly, a tank base slidably disposed on the tray and used to support the receiving tank, and a second drive mechanism for driving the tank base to slide.

[0015] Further optionally, the tank base has a receiving cavity for accommodating the receiving tank, the receiving tank being located within the receiving cavity, and a screen may be detachably installed on the receiving tank, so that the coal powder falling from the powder discharge port passes through the screen and falls into the receiving tank.

[0016] Optionally, the second drive mechanism includes a first sprocket and a second sprocket respectively disposed at both ends of the tray, a chain connected to the first sprocket and the second sprocket, and a motor for driving the first sprocket or the second sprocket to rotate, wherein the tank base is connected to the chain.

[0017] Alternatively, the first drive mechanism is a fluid cylinder connected between the cap and the conduit assembly.

[0018] In the gas outburst prevention verification and emission device described above, optionally, the conduit assembly is rotatably mounted on the base, the rotation axis of the conduit assembly is parallel to the sliding direction extension line of the base, and the conduit assembly includes a first conduit section, a conduit connecting section and a second conduit section arranged sequentially along the extension direction of the rotation axis, and the second conduit section is rotatably mounted on the base.

[0019] The export collection mechanism further includes an adjustment unit connected between the second section of the catheter and the base for rotating the catheter assembly. The catheter connecting section has a first working state that abuts against the mounting bracket and restricts the base from sliding on the mounting bracket, and a second working state that separates from the mounting bracket to release the restriction. The adjustment unit can also switch the catheter connecting section between the first working state and the second working state.

[0020] The conduit connecting section has a cavity inside, which is connected to the inside of the first and second conduit sections respectively. The material guide port is located at the bottom of the conduit connecting section, and the powder discharge port is located on the first conduit section.

[0021] In the gas outburst prevention verification and emission device described above, optionally, the sliding directions of the mounting frame, drilling rig, and base are parallel.

[0022] In the gas outburst prevention verification and emission device described above, the drill pipe and the discharge collection mechanism may optionally be replaced.

[0023] In the gas outburst prevention verification and emission device described above, optionally, the adjusting support assembly includes:

[0024] The base is fixedly installed;

[0025] A sliding frame, which is slidably mounted on the base;

[0026] A third driving mechanism is used to drive the sliding frame to slide on the base.

[0027] A swing frame, wherein the swing frame is mounted on the sliding frame and swings left and right relative to the sliding frame via a swing unit;

[0028] The mounting bracket is slidably mounted on the swing frame, and a fourth drive mechanism for driving the mounting bracket to slide is provided between the mounting bracket and the swing frame.

[0029] Optionally, the base includes a first base and a second base that are fixedly disposed, the sliding frame is slidably disposed on the first base, and the third drive mechanism is a fluid cylinder connected between the sliding frame and the second base.

[0030] Optionally, the fourth drive mechanism is a fluid cylinder, and the fourth drive mechanism is connected between the mounting bracket and the swing bracket.

[0031] Optionally, the swing unit includes a rotating shaft disposed on one of the two components, the swing frame and the sliding frame, a shaft groove disposed on the other component and cooperating with the rotating shaft, and a fifth drive mechanism connecting the two components; the rotating shaft and the shaft groove are respectively disposed at the front of the swing frame or the sliding frame, and the fifth drive mechanism drives the swing frame to swing relative to the sliding frame.

[0032] Further optionally, the fifth drive mechanism is a fluid cylinder, the front end of the fifth drive mechanism is connected to the sliding frame, and the rear end of the fifth drive mechanism is connected to the swing frame.

[0033] Alternatively, the fifth drive mechanism may be provided on the left and right sides of the rotating shaft, respectively.

[0034] The second technical solution adopted by the present invention is: a tunneling and anchoring integrated machine, comprising a cutting arm and a gas outburst prevention verification and emission device as described above.

[0035] The third technical solution adopted in this invention is: a gas outburst prevention verification method, which uses the gas outburst prevention verification and emission device as described above;

[0036] The gas outburst prevention verification method includes the following steps:

[0037] Control the sliding frame to move forward;

[0038] Control the swing direction of the swing frame;

[0039] Control the lifting height of the cutting arm to allow the drill to reach the required drilling position;

[0040] The control mounting frame slides towards the coal wall until the guide pipe assembly abuts against the coal wall, causing the drilling rig to slide towards the coal wall. The drill rod drills a hole in the coal wall, and the coal powder is discharged from the guide port into the collection unit through the guide pipe assembly. The weighing sensor weighs the coal powder in real time to detect the S value of the coal powder.

[0041] The coal dust inlet is opened intermittently, and the coal dust falls into the receiving tank through the inlet. The receiving tank is then moved closer to the drilling rig so that the operators can collect the coal dust in the receiving tank for testing the K1 value of the coal dust.

[0042] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0043] Using the device of the present invention, operators can perform drilling, sampling, and testing simultaneously. K1 value sampling and S value detection can be carried out simultaneously through one borehole without interference. The detection data is real-time and accurate, and can also reduce operation time and improve tunneling efficiency.

[0044] The device of the present invention can be installed on the cutting arm of the tunneling and anchoring machine. By utilizing the movement of the cutting arm in combination with the function of the adjusting support component, the drilling machine can be conveniently and quickly adjusted to the required drilling position, and the structure of the device is also simplified. Attached Figure Description

[0045] The disclosure of this invention will become more apparent from the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention.

[0046] Figure 1 This is a schematic diagram of the structure of the airborne gas outburst prevention verification and emission device for high-gas roadways according to an embodiment of the present invention (drilling powder extraction state).

[0047] Figure 2 This is a schematic diagram of the drill pipe structure;

[0048] Figure 3 This is a schematic diagram (initial state) of the airborne gas outburst prevention verification and emission device for high-gas roadways according to an embodiment of the present invention.

[0049] Figure 4 for Figure 3 Another structural diagram from another perspective;

[0050] Figure 5 for Figure 3 Top view;

[0051] Figure 6 This is a schematic diagram of the structure of the airborne gas outburst prevention verification and emission device of this invention installed on the cutting arm of the tunneling and anchoring machine;

[0052] In the picture:

[0053] 1. Drilling rig; 2. Drill rod; 3. Mounting frame; 301. First guide rail; 302. Second guide rail; 4. Conduit assembly; 401. Sampling port; 402. First section of conduit; 403. Second section of conduit; 404. Conduit connecting section; 5. Material guide port; 6. Powder drop port; 7. Collection unit; 8. Cover; 9. First drive mechanism; 10. Receiving tank; 11. Pallet; 12. Gas outburst parameter instrument; 13. Second sprocket; 14. Chain; 15. Motor; 16. Tank base; 17. First base; 18. Second base; 19. Sliding frame; 20. Third drive mechanism; 21. Swing frame; 22. Rotating shaft; 23. Fourth drive mechanism; 24. Fifth drive mechanism; 26. Cutting arm; 27. Base; 28. Adjusting cylinder; 29. ​​Connecting rod; 30. Hook. Detailed Implementation

[0054] Referring to the accompanying drawings and specific embodiments, the structure, composition, features, and advantages of the gas outburst prevention verification and emission device for high-gas roadways of the present invention will be described below by way of example. However, all descriptions should not be construed as limiting the present invention in any way.

[0055] For any single technical feature described or implied in the embodiments submitted herein, or any single technical feature shown or implied in the various drawings, the present invention still operates in any combination or deletion among these technical features or their equivalents without any technical obstacle, and thus these further embodiments according to the present invention should also be considered within the scope of the description herein.

[0056] Furthermore, the terms “front,” “rear,” “left,” and “right” are based on the tunneling and anchoring machine, with the head direction being forward and the tail direction being backward. However, it should be understood that, unless explicitly stated that they are the opposite, this application may use a variety of alternative terms.

[0057] See Figures 1 to 5 The airborne gas outburst prevention verification and emission device for high-gas roadways provided in this embodiment of the invention includes a drilling rig 1, a mounting frame 3, an outlet collection mechanism, and an adjustment support assembly. The drilling rig 1 has a drill rod 2, and helical blades are arranged along the length direction of the outer periphery of the drill rod 2. The drilling rig 1 is slidably mounted on the mounting frame 3, and the drilling rig 1 is driven to slide by a sixth drive mechanism connected between the mounting frame 3 and the drilling rig 1. The outlet collection mechanism includes a base 27 slidably mounted on the mounting frame 3 and a conduit assembly 4 mounted on the base 27 and capable of sliding synchronously with the sliding of the base 27. The conduit assembly 4 is located in front of the drilling rig 1, and the length extension direction of the conduit assembly 4 is consistent with the sliding direction of the drilling rig 1. The conduit assembly 4 can also be sleeved on the drill rod 2.

[0058] The adjusting support assembly is used to support the mounting bracket 3, and the mounting bracket 3 is slidably mounted on the adjusting support assembly. The adjusting support assembly is also used to make the mounting bracket 3 swing left and right.

[0059] When gas outburst prevention verification is required, the drive mounting frame 3 is slid towards the coal wall until the guide pipe assembly 4 abuts against the coal wall. The sixth drive mechanism drives the drill rig 1 to slide towards the coal wall, and the end of the drill rod 2 extends out of the guide pipe assembly 4 to drill a hole in the coal wall. Coal dust is discharged through the guide pipe assembly 4. When the drill rod 2 is drilling, a spiral conveying mechanism is formed between the drill rod 2 and the guide pipe assembly 4. Coal dust is conveyed towards the drill rig 1 through the spiral blades on the drill rod 2 and then discharged through the guide pipe assembly 4.

[0060] In this example, the end of the guide pipe assembly 4 near the drilling rig 1 is provided with a feed port 5, and the end of the guide pipe assembly 4 away from the drilling rig 1 is provided with a powder discharge port 6. Coal powder can be discharged from the feed port 5, and can also be discharged from the powder discharge port 6 during the discharge process. The coal powder discharged through the feed port 5 is used for the detection of the drill cuttings quantity S value, and the coal powder falling through the powder discharge port 6 is used for the detection of the drill cuttings gas desorption index K1 value.

[0061] In this example, the gas outburst prevention verification and emission device also includes a collection unit 7 for receiving coal dust discharged from the feed inlet 5, a control box, and a display screen. The collection unit 7 is equipped with a weighing sensor, which is used to weigh the collected coal dust. The control box is connected to the weighing sensor and the display screen respectively. The weighing sensor can automatically weigh the amount of drill cuttings (S value), automatically record the weight of coal dust per meter, and display it on the display screen in real time. During the detection process, if the S value exceeds the standard (e.g., the weight per meter is ≥6kg), a real-time warning can be issued on the display screen.

[0062] Optionally, the feed inlet 5 and the collection unit 7 are connected by a connecting pipe, which can be a flexible hose.

[0063] The discharge collection mechanism also includes a cover 8 for closing the powder discharge port 6, a first drive mechanism 9 for driving the cover 8 to close or open the powder discharge port 6, a receiving tank 10 for receiving the coal powder falling from the powder discharge port 6, a tray 11 fixedly connected to the conduit assembly 4, a tank base 16 slidably disposed on the tray 11 for supporting the receiving tank 10, and a second drive mechanism for driving the tank base 16 to slide.

[0064] Optionally, the tank base 16 has a receiving cavity for accommodating the receiving tank 10, which is placed inside the receiving cavity of the tank base 16. A screen can also be detachably installed inside the receiving tank 10, so that the coal powder falling from the powder discharge port 6 passes through the screen and falls into the receiving tank 10.

[0065] When it is necessary to measure the K1 value, the first drive mechanism 9 drives the cover 8 to open the powder discharge port 6. The coal powder falls through the powder discharge port 6 onto the screen, and after passing through the screen, it falls into the receiving tank 10. Then, the second drive mechanism drives the tank base 16 to move to the vicinity of the feed inlet 5, removes the receiving tank 10, and puts the coal powder in the receiving tank 10 into the gas outburst parameter instrument 12 to measure the K1 value.

[0066] The second drive mechanism includes a first sprocket and a second sprocket 13 respectively disposed at both ends of the pallet 11, a chain 14 connected to the first sprocket and the second sprocket 13, and a motor 15 for driving the first sprocket or the second sprocket to rotate. The tank base 16 is connected to the chain 14. The first sprocket is located near the feed inlet 5, and the second sprocket 13 is located near the coal dust outlet 6. The motor 15 drives the first sprocket to rotate, which in turn drives the chain 14 to move, thereby driving the tank base 16 to move, allowing operators to quickly obtain coal dust from the receiving tank 10. Furthermore, using the coal dust falling from the coal dust outlet 6 as the coal dust for detecting the K1 value can greatly reduce the time that the coal dust is exposed to the atmosphere, resulting in more accurate detection data.

[0067] Furthermore, coal powder is discharged through feed inlet 5 and powder discharge inlet 6 respectively, and the discharged coal powder is used for the detection of S value and K1 value respectively. The detection of S value and K1 value can be carried out independently without interfering with each other.

[0068] Optionally, the first drive mechanism 9 is a hydraulic cylinder.

[0069] In this example, the conduit assembly 4 is rotatably mounted on the base 27. The tray 11, the first drive mechanism, the second drive mechanism, and the receiving tank also rotate with the conduit assembly 4. Furthermore, the rotation axis of the conduit assembly 4 is parallel to the sliding direction extension line of the base 27.

[0070] In this example, the sliding directions of the base 27, the mounting bracket 3, and the drilling rig 1 are parallel.

[0071] See also Figures 3 to 5 The conduit assembly 4 includes a first conduit section 402, a connecting section 404, and a second conduit section 403 arranged sequentially along its rotation axis. The second conduit section 403 is rotatably mounted on the base 27. The connecting section 404 has a cavity inside, which communicates with both the first conduit section 402 and the second conduit section 403. A feed inlet 5 is located at the bottom of the connecting section 404, and a powder discharge inlet 6 is located on the first conduit section 402. For ease of sampling, the end of the first conduit section 402 is provided with a funnel-shaped sampling port 401 with an enlarged inner diameter. A support plate 11 is fixedly connected to the connecting section 404.

[0072] The export collection mechanism also includes an adjustment unit connected between the second section 403 of the catheter and the base 27 for rotating the catheter assembly 4. The catheter connection section 404 has a first working state that is able to abut against the mounting bracket 3 and restrict the base 27 from sliding backward on the mounting bracket 3, and a second working state that is separated from the mounting bracket 3 to release the restriction. The adjustment unit can also switch the catheter connection section 404 between the first working state and the second working state.

[0073] In some embodiments, the adjustment unit includes an adjustment cylinder 28 fixedly mounted on the base 27 and a connecting rod 29 rotatably connected between the adjustment cylinder 28 and the second section of the conduit 403. By extending or retracting the adjustment cylinder 28, the connecting rod 30 is moved, causing the second section of the conduit 403 to rotate. The extension or retraction direction of the adjustment cylinder 28 is perpendicular to the rotation axis of the conduit assembly 4.

[0074] In this example, the drilling rig 1 is equipped with a hook 30, which can be connected to or detached from the base 27. In the initial state, as... Figures 3 to 5 As shown, the feed inlet 5 and the pallet 11 are rotated to the side of the first section 402 of the guide tube, the connecting section 404 of the guide tube is separated from the mounting frame 3, the base 27 and the drilling rig 1 are both located at the rear end of the mounting frame 3, and the adjusting cylinder 28 extends.

[0075] When drilling powder extraction is required, the airborne gas outburst prevention verification and emission device will start from its initial state (e.g., Figures 3 to 5 Switch to diamond powder collection mode (e.g.) Figure 1 and Figure 2 The sixth drive mechanism drives the drill rig 1 to move forward on the mounting frame 3. The drill rig 1 presses against the base 27 and pushes the base 27 forward on the mounting frame 3. When the base 27 abuts against the end of the mounting frame 3, the adjusting cylinder 28 moves (e.g., retracts), pulling the connecting rod 29 to rotate the guide tube assembly 4. This causes the support plate 11 and the guide port 5 to flip below the guide tube assembly 4. At this time, the support plate 11 is located below the first section 402 of the guide tube, and the guide port 5 is located below the guide tube assembly 4. The guide tube connecting section 404 abuts against the end of the mounting frame 3 to restrict the base 27 from sliding backward on the mounting frame 3. The mounting frame 3 is then driven to slide closer to the coal wall until the guide tube assembly 4 abuts against the coal wall, causing the hook to separate from the base 27. The drill rig 1 slides backward to install the drill rod, and then slides closer to the coal wall to perform drilling and powder collection. In actual operation, after drilling a certain distance, the drill rod needs to be reconnected.

[0076] In this example, the adjustment support assembly includes a base, a sliding frame 19, a third drive mechanism 20, and a swing frame 21. The base is fixedly installed, the sliding frame 19 is slidably installed on the base in the front-to-back direction, the third drive mechanism 20 is used to drive the sliding frame 19 to slide on the base, and the swing frame 21 swings left and right relative to the sliding frame 19 through a swing unit. The mounting frame 3 is slidably installed on the swing frame 21, and a fourth drive mechanism 23 for driving the mounting frame 3 to slide is provided between the mounting frame 3 and the swing frame 21.

[0077] Optionally, the mounting frame 3 includes a first guide rail 301, on which the drilling rig 1 and the base 27 are slidably mounted along the length of the first guide rail 301; the mounting frame 3 also includes a second guide rail 302, which is located below the first guide rail 301 and is parallel to the first guide rail 301. The swing frame 21 is provided with a groove corresponding to the position of the second guide rail 302, and the second guide rail 302 is located in the groove and slides within the groove.

[0078] Optionally, the base includes a first base 17 and a second base 18 that are fixedly disposed respectively, a sliding frame 19 that is slidably disposed on the first base 17, and a third drive mechanism 20 that is a hydraulic cylinder connected between the sliding frame 19 and the second base 18.

[0079] The swing unit includes a rotating shaft 22 disposed on the swing frame 21, a shaft groove disposed on the sliding frame 19, and a fifth drive mechanism 24 connecting the swing frame 21 and the sliding frame 19. The rotating shaft 22 and the shaft groove are respectively disposed at the front of the swing frame 21 and the sliding frame 19. The fifth drive mechanism 24 drives the swing frame 21 to swing left and right relative to the sliding frame 19, and the fifth drive mechanism is disposed on the left and right sides of the rotating shaft 22 respectively.

[0080] Optionally, the fourth drive mechanism 23 is a hydraulic cylinder, which is connected between the mounting frame 3 and the swing frame 21; the fifth drive mechanism 24 is a hydraulic cylinder, with its front end rotatably connected to the sliding frame 19 and its rear end rotatably connected to the swing frame 21; the sixth drive mechanism is a hydraulic cylinder, which is connected between the drilling rig 1 and the mounting frame 3, and is not shown in the figure.

[0081] In some alternative embodiments of the present invention, the first drive mechanism 9, the third drive mechanism 20, the fourth drive mechanism 23, the fifth drive mechanism 24, and the sixth drive mechanism may also be other forms of fluid cylinders, such as pneumatic cylinders.

[0082] In some embodiments of the present invention, both the drill rod 2 and the outlet collection mechanism can be replaced. For example, the drill rod 2 can be replaced with a drill rod of larger diameter for drilling gas discharge holes, and the outlet collection mechanism can also be adapted for replacement.

[0083] See Figure 6 Another embodiment of the present invention provides a tunneling and anchoring integrated machine, including a main frame, a cutting arm 26 mounted on the main frame, and the aforementioned gas outburst prevention verification and emission device. An adjustment support assembly is mounted on the cutting arm 26. By utilizing the movement of the cutting arm in conjunction with the function of the adjustment support assembly, the drilling rig can be conveniently and quickly adjusted to the required drilling position, which also simplifies the structure of the device.

[0084] Optionally, the first base 17 and the second base 18 are fixedly connected to the cutting arm 26, the collection unit is fixedly connected to the main frame, and the guide tube assembly 4 and the drill rod 2 both extend along the front-rear direction of the cutting arm.

[0085] Another embodiment of the present invention provides a gas outburst prevention verification method, comprising the following steps:

[0086] S1, control the sliding frame 19 to move forward.

[0087] In this step, the third drive mechanism 20 is extended to push the sliding frame 19 forward.

[0088] S2. Control the swing direction of the swing frame.

[0089] In this step, by controlling the extension and retraction of the left and right fifth drive mechanisms 24, the swing frame 21 is rotated left and right around the rotating shaft 22 to the required angle.

[0090] S3. Control the lifting height of the cutting arm to allow the drill to reach the required drilling position.

[0091] In this step, by controlling the raising or lowering of the cutting arm 26, the entire adjusting support assembly and drilling rig and other components are moved to the required height.

[0092] S4. Control the discharge and collection mechanism to switch from the initial state to the drilling and powder collection state, then control the mounting frame 3 to slide towards the coal wall until the guide pipe assembly 4 abuts against the coal wall, then drive the drill rig 1 to slide towards the coal wall, the drill rod 2 drills holes in the coal wall, and the coal powder is discharged from the guide port into the collection unit 7 through the guide pipe assembly 4. The weighing sensor weighs the coal powder in real time to realize the detection of the coal powder S value.

[0093] In this step, see Figures 3 to 5 The collection mechanism is in its initial state. In this state, hook 30 hooks onto base 27, drill 1 and base 32 are located at the rear end of mounting frame 3, guide pipe connection section 404 is separated from the front end face of mounting frame 3, guide port 5 and pallet 11 are located on the side of guide pipe section 402 respectively, and adjusting cylinder 28 extends.

[0094] In this step, when the discharge collection mechanism needs to be switched to the drilling powder collection state, the sixth drive mechanism drives the drill 1 to move forward on the mounting frame 3. The drill 1 presses against the base 27 and pushes the base 27 to move forward of the mounting frame 3. When the base 27 abuts against the front end of the mounting frame 3, the hydraulic cylinder 28 is adjusted (such as retracted), and the connecting rod 29 is pulled to move, which drives the guide tube assembly 4 to rotate, thereby driving the pallet 11 and the guide port 5 to flip to the bottom of the guide tube assembly 4. At this time, the pallet 11 and the guide port 5 are both located below the guide tube assembly 4. The guide tube connecting section 404 abuts against the front end face of the mounting frame 3 to restrict the base 29 from sliding backward on the mounting frame 3.

[0095] Then, by controlling the extension of the fourth drive mechanism 23, the mounting bracket 3 is driven to slide forward until the guide tube assembly 4 is pressed against the coal wall. Then, the hook 30 is separated from the base 27, the sixth drive mechanism drives the drill rig 1 to slide backward, and then the drill rod is installed. The sixth drive mechanism then pushes the drill rig 1 forward, and the drill rod 2 drills into the coal wall. The coal powder is transported backward in the guide tube assembly by the action of the spiral blades of the drill rod 2, and discharged from the guide tube assembly 4 through the feed port 5. It then enters the collection unit 7 through the connecting pipe. The weighing sensor in the collection unit 7 automatically weighs the coal powder, automatically records the weight of coal powder per meter, and displays it on the display screen in real time. During this process, if the S value exceeds the standard, a real-time warning can be issued on the display screen.

[0096] S5. Intermittently control the opening of the coal dust discharge port, allowing coal dust to fall into the receiving tank. Then, control the receiving tank to move closer to the drilling rig so that operators can collect the coal dust in the receiving tank for testing the K1 value of the coal dust.

[0097] In this step, when it is necessary to detect the K1 value of pulverized coal, the first drive mechanism 9 is controlled to retract, causing the cover 8 to move backward and opening the pulverized coal discharge port 6. The pulverized coal that has swirled back falls into the receiving tank 10. Then, the first drive mechanism 9 is controlled to move the cover 8 to close the pulverized coal discharge port 6. The drive motor 15 is then driven to work, causing the tank base 16 to move towards the drilling rig. The receiving tank 10 is then retracted, and the pulverized coal is taken out from the receiving tank 10 and placed into the gas outburst parameter instrument for K1 value measurement.

[0098] It is evident that K1 value sampling and S value detection can be performed simultaneously through a single borehole without interference. The detection data is real-time and accurate, and can also reduce operation time and improve tunneling efficiency.

[0099] During the testing process, if either the K1 value or the S value exceeds the standard, it indicates that the gas verification result is out of control and a gas release hole needs to be drilled. At this time, the drill rod can be replaced directly to carry out the gas release work.

[0100] By adopting this gas outburst prevention verification and emission device, fully automatic drilling and powder extraction can be achieved, along with automatic weighing and recording, and automatic early warning for exceeding limits. Compared with the traditional manual hand-held drilling rig for drilling and powder extraction and manual weighing, it greatly reduces the cumbersomeness and intensity of the process, simplifies the powder extraction process, avoids the dangerous situation of people going to the face to drill and extract powder, improves the measurement accuracy of the drilled coal powder, and greatly promotes the improvement of drilling efficiency.

[0101] The above embodiments are only used to illustrate the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present invention. Therefore, all equivalent technical solutions also fall within the scope of the embodiments of the present invention, and the patent protection scope of the embodiments of the present invention should be defined by the claims.

Claims

1. A gas outburst prevention verification and emission device for a roadheader-anchor machine, the roadheader-anchor machine comprising a cutting arm, characterized in that, The gas outburst prevention verification and emission device includes: A drilling rig, the drilling rig having a drill rod, the drill rod having helical blades arranged on its outer periphery along its length; Mounting frame, the drilling rig is slidably mounted on the mounting frame; The discharge collection mechanism includes a base slidably disposed on the mounting frame and a guide tube assembly disposed on the base and capable of sliding synchronously with the base. The guide tube assembly is disposed in front of the drilling rig and is also sleeved on the drill rod. The end of the guide tube assembly near the drilling rig is provided with a material guide port, and the end of the guide tube assembly away from the drilling rig is provided with a powder drop port. An adjustable support assembly is provided on the cutting arm, the adjustable support assembly is used to support the mounting frame, and the mounting frame is slidably disposed on the adjustable support assembly. The adjustable support assembly is also used to allow the mounting frame to swing left and right. The mounting frame is driven to slide towards the coal wall until the guide pipe assembly abuts against the coal wall. The drilling rig slides towards the coal wall, the end of the drill rod extends out of the guide pipe assembly, and drills a hole in the coal wall. Coal powder is discharged through the feed inlet and / or the powder discharge outlet.

2. The gas outburst prevention verification and emission device according to claim 1, characterized in that, The discharge and collection mechanism also includes a collection unit for receiving coal powder discharged from the feed port. A connecting pipe is provided between the feed port and the collection unit. A weighing sensor is provided inside the collection unit for weighing the collected coal powder.

3. The gas outburst prevention verification and emission device according to claim 1, characterized in that, The discharge collection mechanism further includes a cap for covering the powder discharge port, a first drive mechanism for driving the cap to move to close or open the powder discharge port, a receiving tank for receiving coal powder falling from the powder discharge port, a tray fixedly connected to the conduit assembly, a tank base slidably disposed on the tray and used to support the receiving tank, and a second drive mechanism for driving the tank base to slide.

4. The gas outburst prevention verification and emission device according to claim 3, characterized in that, The tank base has a receiving cavity for accommodating the receiving tank, which is located within the receiving cavity. A detachable screen can be installed on the receiving tank, allowing coal powder falling from the powder discharge port to pass through the screen and fall into the receiving tank; and / or, The second drive mechanism includes a first sprocket and a second sprocket respectively disposed at both ends of the tray, a chain connected to the first sprocket and the second sprocket, and a motor for driving the first sprocket or the second sprocket to rotate, wherein the tank base is connected to the chain; and / or, The first drive mechanism is a fluid cylinder connected between the cap and the conduit assembly.

5. The gas outburst prevention verification and emission device according to claim 1, characterized in that, The catheter assembly is rotatably mounted on the base, and the rotation axis of the catheter assembly is parallel to the sliding direction extension line of the base. The catheter assembly includes a first catheter section, a catheter connecting section, and a second catheter section arranged sequentially along the extension direction of the rotation axis. The second catheter section is rotatably mounted on the base. The export collection mechanism further includes an adjustment unit connected between the second section of the catheter and the base for rotating the catheter assembly. The catheter connecting section has a first working state that abuts against the mounting bracket and restricts the base from sliding on the mounting bracket, and a second working state that separates from the mounting bracket to release the restriction. The adjustment unit can also switch the catheter connecting section between the first working state and the second working state. The conduit connecting section has an internal cavity, which communicates with the interiors of both the first and second conduit sections. The material inlet is located at the bottom of the conduit connecting section, and the powder discharge outlet is located on the first conduit section; and / or... The sliding directions of the mounting bracket, drilling rig, and base are parallel; and / or, The drill pipe and the discharge collection mechanism are replaceable.

6. The gas outburst prevention verification and emission device according to any one of claims 1 to 5, characterized in that, The adjustment support component includes: The base is fixedly installed; A sliding frame, which is slidably mounted on the base; A third driving mechanism is used to drive the sliding frame to slide on the base. A swing frame, wherein the swing frame is mounted on the sliding frame and swings left and right relative to the sliding frame via a swing unit; The mounting bracket is slidably mounted on the swing frame, and a fourth drive mechanism for driving the mounting bracket to slide is provided between the mounting bracket and the swing frame.

7. The gas outburst prevention verification and emission device according to claim 6, characterized in that, The base includes a first base and a second base that are fixedly disposed, the sliding frame is slidably disposed on the first base, and the third driving mechanism is a fluid cylinder connected between the sliding frame and the second base; and / or The fourth drive mechanism is a fluid cylinder, and the fourth drive mechanism is connected between the mounting bracket and the swing bracket; and / or, The swing unit includes a rotating shaft disposed on one of the two components, the swing frame and the sliding frame, a shaft groove disposed on the other component and cooperating with the rotating shaft, and a fifth drive mechanism connecting the two components; the rotating shaft and the shaft groove are respectively disposed at the front of the swing frame or the sliding frame, and the fifth drive mechanism drives the swing frame to swing relative to the sliding frame.

8. The gas outburst prevention verification and emission device according to claim 7, characterized in that, The fifth drive mechanism is a fluid cylinder, the front end of which is connected to the sliding frame, and the rear end of which is connected to the swing frame; and / or, The fifth drive mechanism is provided on the left and right sides of the rotating shaft, respectively.

9. A tunneling and anchoring integrated machine, comprising a cutting arm, characterized in that, The tunneling and anchoring integrated machine also includes the gas outburst prevention verification and emission device as described in any one of claims 1 to 8.

10. A method for verifying gas outburst prevention, characterized in that, The method employs the gas outburst prevention verification and emission device as described in any one of claims 6 to 8; The gas outburst prevention verification method includes the following steps: Control the sliding frame to move forward; Control the swing direction of the swing frame; Control the lifting height of the cutting arm to allow the drill to reach the required drilling position; The control mounting frame slides towards the coal wall until the guide pipe assembly abuts against the coal wall, causing the drilling rig to slide towards the coal wall. The drill rod drills a hole in the coal wall, and the coal powder is discharged from the guide port into the collection unit through the guide pipe assembly. The weighing sensor weighs the coal powder in real time to detect the S value of the coal powder. The coal dust outlet is opened intermittently, and the coal dust falls into the receiving tank through the outlet. The receiving tank is then moved closer to the drilling rig so that the operators can collect the coal dust in the receiving tank for testing the K1 value of the coal dust.

Images