Temporary reinforcing and supporting device for coal mine tunnel in coal mining tunneling

Abstract

The invention relates to the technical field of coal mining, and discloses a coal mine tunnel temporary reinforcing and supporting device in coal mining tunneling, which comprises a mounting shell, a mounting assembly is arranged on the top of the mounting shell, and a storage assembly is arranged on the outer side of the mounting shell. According to the temporary reinforcing and supporting device for the coal mine roadway in coal mining tunneling, by arranging the supporting assembly, the adaptive capacity and the impact absorption capacity of the device to roadway pressure are enhanced, when a rock stratum on the roadway generates instantaneous pressure, a sliding seat can slide along a fixing rod, and a first buffer spring absorbs impact energy through deformation; the four sets of buffer dampers symmetrically arranged on the top of the top plate are matched with the second buffer springs, the buffer dampers can effectively restrain impact conduction, the second buffer springs further counteract pressure through elastic deformation, and through cooperation of the double buffer structures, the device can stably and reliably support a roadway.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mining, in particular to a temporary reinforcing and supporting device for a coal mine roadway in coal mining and tunneling. BACKGROUND

[0002] Coal mines, as important energy materials, are widely used in industrial production and other fields. Since coal mines are generally hidden underground, the mining operations are also underground operations. When mining coal in the underground, the coal mine roadway is generally used for material transportation and personnel access. The stability of the coal mine roadway is related to the safety of mining. After the roadway is excavated, a surrounding structure is used to reinforce and treat the roadway to ensure its stability. A temporary supporting device can be used to provide support for the roadway before the construction of the supporting structure.

[0003] The prior art patent document CN111828061B provides a temporary reinforcing and supporting device for a coal mine roadway in coal mining and tunneling. The device uses the cooperation of the movable plate and the lateral positioning plate to achieve temporary support for the sidewall of the roadway and center positioning of the device. The rotation function of the mounting block improves the flexibility of the device.

[0004] The above-mentioned prior art can provide good support for the roadway. However, the supporting structure of the device has insufficient buffering performance. When facing the instantaneous pressure of the roadway roof rock layer or slight vibration, it is difficult to effectively absorb impact energy. When there is a lot of dust in the roadway, it cannot effectively spray and remove dust. In addition, the existing supporting device cannot provide a convenient storage space for the tools and equipment required during the tunneling process, resulting in a messy storage of materials at the work site and affecting the work efficiency. Therefore, we need a temporary reinforcing and supporting device for a coal mine roadway in coal mining and tunneling. SUMMARY

[0005] The present application aims to provide a temporary reinforcing and supporting device for a coal mine roadway in coal mining and tunneling to solve the problems of insufficient buffering performance of the supporting structure of the prior art, poor spray and dust removal, and inability to provide a convenient storage space for the tools and equipment required during the tunneling process.

[0006] To solve the above technical problems, the present application provides the following technical solution: a temporary reinforcing and supporting device for a coal mine roadway in coal mining and tunneling, comprising a mounting shell, wherein the top of the mounting shell is provided with a mounting assembly, and the outer side of the mounting shell is provided with a storage assembly; The mounting assembly comprises a lead screw lifting mechanism fixed on the top of the mounting shell by bolts, and the top end of the lead screw of the lead screw lifting mechanism is fixedly connected with a support plate. The top of the support plate is fixedly connected with a top plate by bolts. The top of the top plate is provided with a supporting assembly, and the bottom of the top plate is provided with a spraying assembly. The support assembly comprises two fixed blocks, and a fixed rod is fixedly connected between the two fixed blocks, an outer wall of the fixed rod is slidably connected with two sliding seats, and an inner wall of the sliding seat is hingedly connected with a hinged frame, one end of the hinged frame is hingedly connected with an arc-shaped top, and an outer side of the arc-shaped top is provided with a flow guide assembly; The flow guide assembly comprises a flow guide groove, both sides of the arc-shaped top are fixedly connected with collection boxes, and the bottom of the collection box is fixedly connected with a flow guide pipe; The spraying assembly comprises a first L-shaped frame and a second L-shaped frame, the inner wall of the first L-shaped frame is threadedly connected with a threaded rod, one end of the threaded rod is rotatably connected with a clamping block, the inner side of the first L-shaped frame is detachably connected with a water delivery pipe, and the bottom of the water delivery pipe is threadedly connected with a spraying nozzle; The storage assembly comprises a hook and a fixed plate, the outer wall of the fixed plate is fixedly connected with a rotating seat, and the inner wall of the rotating seat is rotatably connected with a storage box.

[0007] Preferably, the bottom of the top plate is fixedly connected with a support frame through bolts, one end of the support frame extends into the fixed shell and is connected with a sliding block, the outer wall of the sliding block is fixedly connected with two screw rods, one side of the fixed shell is provided with a through groove, one end of the screw rod extends out of the through groove and is connected with a nut.

[0008] Preferably, the two sliding seats are symmetrically arranged on the fixed rod, and a first buffer spring is arranged between the two sliding seats and is sleeved on the fixed rod.

[0009] Preferably, the top of the top plate is fixedly connected with a buffer damper and a second buffer spring, the buffer damper is arranged at the center position of the second buffer spring, one end of the buffer damper is connected with the arc-shaped top, the buffer damper has four, each two is a group, and two groups are symmetrically arranged on the top plate.

[0010] Preferably, the number of the flow guide grooves is multiple, and the multiple flow guide grooves are equidistantly arranged on the arc-shaped top.

[0011] Preferably, the inner walls of the first L-shaped frame and the second L-shaped frame are provided with positioning holes, and the bottom of the water delivery pipe is fixedly connected with two positioning blocks, and one end of the positioning block penetrates through the positioning hole.

[0012] Preferably, the bottom of the water delivery pipe is fixedly connected with a water inlet valve, and the number of the spraying nozzles is multiple and equidistantly arranged on the water delivery pipe.

[0013] Preferably, the outer wall of the clamping block is fixedly connected with a guide rod, one end of the guide rod extends out of the first L-shaped frame and is connected with a limiting block.

[0014] Preferably, the outer wall of the fixed plate is fixedly connected with a support seat, the outer wall of the storage box is fixedly connected with an elastic rope, and one end of the elastic rope is fixedly connected with a ring.

[0015] Preferably, the bottom of the mounting shell and the fixing shell is fixed with a base, and the inner wall of the base is provided with a plurality of mounting holes.

[0016] Compared with the prior art, the present application has the following beneficial effects: First, the device has enhanced adaptability to roadway pressure and impact absorption capacity by the support assembly, when the rock stratum above the roadway produces instantaneous pressure, the sliding seat can slide along the fixed rod, the first buffer spring absorbs impact energy through deformation, the four sets of buffer dampers symmetrically arranged on the top of the roof cooperate with the second buffer spring, the buffer dampers can effectively inhibit the conduction of impact, and the second buffer spring further offsets the pressure through elastic deformation, and through the cooperation of the double buffering structure, the device can realize stable and reliable support for the roadway.

[0017] Second, the support height adjustment and long-term stable bearing are realized through the cooperation of the screw rod lifting mechanism and the auxiliary support structure, the screw rod lifting mechanism can drive the support plate and the top plate to lift through the extension and retraction of the screw rod, and the support requirements of the roadway of different heights are adapted, meanwhile, the support frame at the bottom of the top plate, the fixing shell, the sliding block and the screw rod constitute the auxiliary support structure, when the device is adjusted to the target height, the sliding block is slid to the appropriate position in the fixing shell, and the support frame is fixed through the locking of the screw rod and the nut, so that the support stability of the top plate is further enhanced, the deviation of the device in the long-term bearing process is prevented, and the persistence and reliability of the support effect are ensured.

[0018] Third, the plurality of flow guide grooves arranged on the arc-shaped top can guide the seepage of underground water in the roadway into the collection box through the flow guide grooves, so that the water accumulation on the surface of the arc-shaped top is avoided, the collection boxes on the two sides can collect the seepage water guided by the flow guide grooves, and the seepage water is directionally transported to the roadway drainage system through the flow guide pipe at the bottom.

[0019] Fourth, when the water delivery pipe is installed, the positioning block and the positioning hole are matched and assembled on the first L-shaped frame and the second L-shaped frame, the clamping block is moved to clamp and fix the water delivery pipe by rotating the threaded rod, so that the water delivery pipe is stable and displacement-free in the spraying process, the water delivery pipe delivers water to a plurality of equally spaced spray nozzles, the spray nozzles can convert high-pressure water flow into uniform water mist to adsorb dust particles in the air and reduce the dust concentration in the working environment.

[0020] Fifth, the hooks on the outer side of the upper mounting shell can be used to hang commonly used tools such as wrenches and tapes, so that the operating personnel can quickly take and use the tools, the circular ring is taken off from the hooks, the storage box is placed flat, the support seat can support the storage box to ensure stable bearing of the storage box, and the operating personnel can place the tools in the storage box for easy taking and placing of the tools. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a schematic diagram of the support frame and slider structure of the present invention; Figure 3 For the present invention Figure 1 Enlarged structural diagram at point A in the middle; Figure 4 For the present invention Figure 1 Enlarged structural diagram at point B; Figure 5 This is a schematic diagram of the first L-shaped frame and water pipe structure of the present invention; Figure 6 This is a schematic diagram of the hook and ring structure of the present invention.

[0022] The components include: 1. Mounting shell; 2. Mounting assembly; 201. Screw lifting mechanism; 202. Support plate; 203. Top plate; 204. Support frame; 205. Fixed shell; 206. Slider; 207. Screw; 208. Nut; 209. Through groove; 3. Support assembly; 301. Fixed block; 302. Fixed rod; 303. Sliding seat; 304. First buffer spring; 305. Hinge frame; 306. Arc-shaped top; 307. Buffer damper; 308. Second buffer spring; 4. Flow guiding assembly; 01. Flow guide channel; 402. Collection box; 403. Flow guide pipe; 5. Spray assembly; 501. First L-shaped frame; 502. Second L-shaped frame; 503. Positioning hole; 504. Threaded rod; 505. Clamping block; 506. Guide rod; 507. Water supply pipe; 508. Positioning block; 509. Water inlet valve; 510. Spray nozzle; 6. Storage assembly; 601. Hook; 602. Fixing plate; 603. Support base; 604. Rotating base; 605. Storage box; 606. Elastic rope; 607. Ring. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figures 1-6 The present invention provides a technical solution: Example 1

[0025] A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling includes a mounting shell 1, an mounting component 2 on the top of the mounting shell 1, and a storage component 6 on the outside of the mounting shell 1. The mounting assembly 2 comprises a screw rod lifting mechanism 201 mounted on the top of the mounting shell 1 by bolting, the top end of the screw rod lifting mechanism 201 is fixedly connected with a supporting plate 202, the top of the supporting plate 202 is fixedly connected with a top plate 203 by bolting, the top of the top plate 203 is provided with the supporting assembly 3, and the bottom of the top plate 203 is provided with the spraying assembly 5; The supporting assembly 3 comprises two fixed blocks 301, the two fixed blocks 301 are fixedly connected with a fixed rod 302, the outer wall of the fixed rod 302 is slidably connected with two sliding seats 303, the inner wall of the sliding seat 303 is hingedly connected with a hinged frame 305, one end of the hinged frame 305 is hingedly connected with an arc-shaped top 306, and the outer side of the arc-shaped top 306 is provided with the flow guide assembly 4; The flow guide assembly 4 comprises a flow guide groove 401, the two sides of the arc-shaped top 306 are fixedly connected with collecting boxes 402, and the bottom of the collecting box 402 is fixedly connected with a flow guide pipe 403; The spraying assembly 5 comprises a first L-shaped frame 501 and a second L-shaped frame 502, the inner wall of the first L-shaped frame 501 is threadedly connected with a threaded rod 504, one end of the threaded rod 504 is rotatably connected with a clamping block 505, the inner side of the first L-shaped frame 501 is detachably connected with a water conveying pipe 507, and the bottom of the water conveying pipe 507 is threadedly connected with a spraying nozzle 510; The storage assembly 6 comprises a hook 601 and a fixed plate 602, the outer wall of the fixed plate 602 is fixedly connected with a rotating seat 604, and the inner wall of the rotating seat 604 is rotatably connected with a storage box 605.

[0026] Through the technical scheme, the inside of the installation shell 1 is hollow, facilitating accommodation of a lead screw part of the lead screw lifting mechanism 201; two fixing blocks 301 are fixed on the top plate 203; the top of the support plate 202 is fixed with positioning rods, the number of the positioning rods is two, one is fixed on the support plate 202, and the other is fixed on the plate body of the support frame 204, and the inner wall of the top plate 203 is provided with through holes corresponding to the positioning rods, so that the top plate 203 can be positioned and assembled on the support plate 202 during installation; the arc-shaped top 306 is connected with the hinged frame 305 through the hinge seat, the fixing block 301, the fixing rod 302, the sliding seat 303, the first buffer spring 304 and the hinged frame 305 form a first buffer mechanism, the first buffer mechanism is provided with two and is symmetrically arranged on the top plate 203, can well support the arc-shaped top 306 and strengthens stability; the first L-shaped frame 501 and the second L-shaped frame 502 are fixed at the bottom of the top plate 203; the lead screw lifting mechanism 201 drives the lead screw lifting by rotating the upper handle, and can also be driven by a motor; the collecting box 402 can be provided with a filter screen to block large-particle impurities and prevent the flow guide pipe 403 from being blocked; the flow guide pipe 403 can be connected with a long hose, the water collected by the collecting box 402 can be discharged through the long hose connected with a drainage system in a tunnel; the hook 601 and the fixing plate 602 are both fixed on the installation shell 1 through bolts, facilitating installation and dismounting.

[0027] Specifically, the top plate 203 is fixedly connected with the support frame 204 at the bottom through bolts, one end of the support frame 204 extends into the fixed shell 205 and is connected with the sliding block 206, the outer wall of the sliding block 206 is fixedly connected with two screw rods 207, one side of the fixed shell 205 is provided with a through slot 209, one end of the screw rod 207 extends out of the through slot 209 and is connected with the nut 208.

[0028] Through the technical scheme, the support frame 204 assists in supporting the top plate 203, enhancing stability of the top plate 203; the sliding block 206 can slide in the fixed shell 205, the support frame 204 can drive the sliding block 206 to adjust the position in the fixed shell 205 when moving, the sliding block 206 is locked by cooperation of the screw rod 207 and the nut 208, the support frame 204 is fixed, further improving load-bearing stability of the top plate 203, and avoiding deviation of the top plate 203 in the supporting process; the nut 208 can be sleeved on the screw rod 207 using a gasket during installation, and then the nut 208 is assembled, enhancing stability.

[0029] Specifically, the two sliding seats 303 are symmetrically arranged on the fixing rod 302, the first buffer spring 304 is arranged between the two sliding seats 303 and is sleeved on the fixing rod 302.

[0030] Through the technical scheme, the sliding seat 303 can slide along the fixed rod 302, when the arc-shaped top 306 is pressed, the sliding seat 303 moves to press or stretch the first buffer spring 304, the first buffer spring 304 can absorb impact energy through deformation, and the impact force can be well buffered.

[0031] Specifically, the top plate 203 is fixedly provided with a buffer damper 307 and a second buffer spring 308 at the top, the buffer damper 307 is arranged at the center position of the second buffer spring 308, one end of the buffer damper 307 is connected with the arc-shaped top 306, the buffer damper 307 has four, two groups as a set, and the two groups are symmetrically arranged on the top plate 203.

[0032] Through the technical scheme, the buffer damper 307 and the second buffer spring 308 are matched, the two are synergistically acted, and the four groups of structures symmetrically arranged ensure uniform stress, enhance the buffering capacity of the device to the roadway pressure, and reduce the risk of roadway collapse.

[0033] Specifically, the plurality of guide grooves 401 are equidistantly arranged on the arc-shaped top 306.

[0034] Through the technical scheme, the plurality of equidistantly distributed guide grooves 401 can quickly guide the water seepage on the arc-shaped top 306 to flow in the guide grooves 401, avoid the water seepage from accumulating on the surface of the arc-shaped top 306, and improve the water seepage dredging efficiency; the inner walls of the arc-shaped top 306, the guide grooves 401 and the collection box 402 can be coated with a waterproof coating.

[0035] Specifically, the inner walls of the first L-shaped frame 501 and the second L-shaped frame 502 are provided with positioning holes 503, and the bottom of the water conveying pipe 507 is fixedly provided with two positioning blocks 508, one end of the positioning block 508 penetrates through the positioning hole 503.

[0036] Through the technical scheme, the water conveying pipe 507 is inserted into the positioning hole 503 through the positioning block 508, the water conveying pipe 507 can be quickly installed and positioned, the positioning and installation of the water conveying pipe 507 on the L-shaped frame are ensured, installation deviation is avoided, and a basis is provided for subsequent clamping blocks 505 fixation.

[0037] Specifically, the bottom of the water conveying pipe 507 is fixedly connected with a water inlet valve 509, and a plurality of spray nozzles 510 are equidistantly arranged on the water conveying pipe 507.

[0038] Through the technical scheme, the water inlet valve 509 controls the water inlet and stop of the water conveying pipe 507, facilitates the adjustment of the start and stop of spraying, the water inlet valve 509 can be connected with an external water inlet pipe to supply water through the water inlet pipe, and the water inlet valve 509 can be replaced with an electric control type water valve; the plurality of equidistant spray nozzles 510 can spray water to be sprayed in the operation area, and dust can be effectively suppressed.

[0039] Specifically, the outer wall of the clamping block 505 is fixedly connected with a guide rod 506, one end of the guide rod 506 extends out of the first L-shaped frame 501 and is connected with a limiting block.

[0040] Through the above technical scheme, one end of the threaded rod 504 is provided with a handle, the threaded rod 504 can be rotated through the handle; the guide rod 506 plays a guiding role, limits the movement direction of the clamping block 505, avoids the deviation of the clamping block 505, ensures that the clamping block 505 can stably clamp the water delivery pipe 507, prevents the water delivery pipe 507 from loosening and moving in the spraying process, and through clamping and fixing, the water delivery pipe 507 can be quickly installed and disassembled; the outer wall of the clamping block 505 clamping the water delivery pipe 507 can be attached with a rubber pad, which facilitates better clamping of the water delivery pipe 507.

[0041] Specifically, the outer wall of the fixed plate 602 is fixedly connected with a support seat 603, the outer wall of the storage box 605 is fixedly connected with an elastic rope 606, and one end of the elastic rope 606 is fixedly connected with a ring 607.

[0042] Through the above technical scheme, the support seat 603 supports the storage box 605, and the load-bearing stability is enhanced; by pulling the ring 607, the ring 607 drives the elastic rope 606 to elongate, the ring 607 is sleeved on the hook 601, and the storage box 605 can be folded up.

[0043] Specifically, the bottom of the mounting shell 1 and the fixed shell 205 is fixedly connected with a base, and the inner wall of the base is provided with a plurality of mounting holes.

[0044] Through the above technical scheme, the base increases the contact area of the device with the ground, and improves the overall stability; the plurality of mounting holes facilitate the use of bolts to fix the device on the ground of the roadway, avoid the device from falling down during the supporting process, and enhance the anti-overturning ability of the device.

[0045] In use, by rotating the handle on the screw rod lifting mechanism 201, the screw rod can be driven to extend, thereby driving the support plate 202 at the top end of the screw rod to rise, the movement of the support plate 202 drives the movement of the top plate 203, the top plate 203 drives the movement of the arc-shaped roof 306, so that the arc-shaped roof 306 rises to the top of the roadway for support, in this process, the movement of the top plate 203 drives the movement of the support frame 204, the support frame 204 drives the sliding block 206 to slide in the fixed shell 205, the movement of the sliding block 206 drives the movement of the screw rod 207, after the adjustment is completed, the gasket is sleeved on the screw rod 207, and then the nut 208 is tightened, so as to lock the sliding block 206 and fix the support frame 204, thereby enhancing the load bearing stability; when the pressure of the rock stratum at the top of the roadway is generated, the pressure is transmitted to the arc-shaped roof 306, the sliding seat 303 can slide along the fixed rod 302, the first buffer spring 304 absorbs the impact energy through deformation, and through the cooperation of the buffer damper 307 and the second buffer spring 308, the pressure is further offset, and through the cooperation of the double-buffering structure, the roadway can be effectively supported, and the risk of roadway collapse is reduced; if there is water seepage in the top plate 203 of the roadway, the water seeped from the top plate 203 can be guided into the collection boxes 402 on the two sides through the flow guide grooves 401, the collected seepage water can be transported to a drainage system through the long flexible pipe connected through the flow guide pipes 403, and the seepage water is prevented from accumulating on the surface of the arc-shaped roof 306; when dust is generated in the coal mine tunneling operation, the water inlet valve 509 is connected with the water inlet pipe outside, the water inlet valve 509 is opened, water flows into the water delivery pipe 507, and then the water flow is converted into uniform water mist and sprayed in the tunneling operation area through the plurality of spray nozzles 510 equidistantly arranged at the bottom of the water delivery pipe 507, so that the dust particles in the air are adsorbed, the dust concentration in the operation environment is effectively reduced, the underground operation environment is optimized, and the spraying can be stopped by closing the water inlet valve 509, so that the operation is simple and convenient; the operation personnel can quickly take and use the device; by taking down the ring 607 from the hook 601 and placing the storage box 605 flat, the support seat 603 supports the storage box 605, and through the arrangement of the storage box 605, small equipment or parts can be stored; and through the arrangement of the hook 601, the staff can hang commonly used tools such as wrenches and tapes, when the storage box 605 is not needed or space needs to be saved, the ring 607 at one end of the elastic string 606 on the outer wall of the storage box 605 is pulled, the elastic string 606 is lengthened, the ring 607 is sleeved on the hook 601, and then the storage box 605 can be folded, so that all the work is completed, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0046] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling, comprising a mounting shell (1), characterized in that: The top of the mounting shell (1) is provided with a mounting component (2), and the outside of the mounting shell (1) is provided with a storage component (6). The installation assembly (2) includes a screw lifting mechanism (201) fixedly installed on the top of the installation shell (1) by bolts, and a support plate (202) is fixedly connected to the top of the screw of the screw lifting mechanism (201). A top plate (203) is fixedly connected to the top of the support plate (202) by bolts. A support assembly (3) is provided on the top of the top plate (203), and a spray assembly (5) is provided at the bottom of the top plate (203). The support component (3) includes two fixed blocks (301), and a fixed rod (302) is fixedly connected between the two fixed blocks (301). Two sliding seats (303) are slidably connected to the outer wall of the fixed rod (302), and a hinge frame (305) is hinged to the inner wall of the sliding seat (303). An arc-shaped top (306) is hinged to one end of the hinge frame (305), and a flow guide component (4) is provided on the outer side of the arc-shaped top (306). The flow guiding component (4) includes a flow guiding groove (401), and a collection box (402) is fixedly connected to both sides of the arc-shaped top (306), and a flow guiding pipe (403) is fixedly connected to the bottom of the collection box (402). The spray assembly (5) includes a first L-shaped frame (501) and a second L-shaped frame (502). The inner wall of the first L-shaped frame (501) is threaded with a threaded rod (504), and one end of the threaded rod (504) is rotatably connected with a clamping block (505). The inner side of the first L-shaped frame (501) is detachably connected with a water supply pipe (507), and the bottom of the water supply pipe (507) is threaded with a spray nozzle (510). The storage assembly (6) includes a hook (601) and a fixing plate (602). The outer wall of the fixing plate (602) is fixedly connected to a rotating seat (604), and the inner wall of the rotating seat (604) is rotatably connected to a storage box (605).

2. The temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The bottom of the top plate (203) is fixedly connected to a support frame (204) by bolts. One end of the support frame (204) extends into the fixed shell (205) and is connected to the slider (206). Two screws (207) are fixedly connected to the outer wall of the slider (206). A through groove (209) is opened on one side of the fixed shell (205). One end of the screw (207) extends out of the through groove (209) and is connected to the nut (208).

3. The temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: Two sliding seats (303) are symmetrically arranged on a fixed rod (302), and a first buffer spring (304) is provided between the two sliding seats (303), and the first buffer spring (304) is sleeved on the fixed rod (302).

4. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The top plate (203) is fixedly installed with a buffer damper (307) and a second buffer spring (308). The buffer damper (307) is located at the center of the second buffer spring (308), and one end of it is connected to the arc-shaped top (306). There are four buffer dampers (307) in total, with two groups arranged symmetrically on the top plate (203).

5. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The number of the flow guide grooves (401) is multiple, and the multiple flow guide grooves (401) are equally spaced on the arc-shaped top (306).

6. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The inner walls of the first L-shaped frame (501) and the second L-shaped frame (502) are provided with positioning holes (503). Two positioning blocks (508) are fixed at the bottom of the water pipe (507), and one end of the positioning block (508) passes through the positioning hole (503).

7. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The bottom of the water supply pipe (507) is fixedly connected to a water inlet valve (509), and there are multiple spray nozzles (510) that are equidistantly arranged on the water supply pipe (507).

8. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: A guide rod (506) is fixedly connected to the outer wall of the clamping block (505). One end of the guide rod (506) extends out of the first L-shaped frame (501) and is connected to the limiting block.

9. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The outer wall of the fixing plate (602) is fixedly connected to a support base (603), and the outer wall of the storage box (605) is fixedly connected to an elastic rope (606), with a ring (607) fixedly connected to one end of the elastic rope (606).

10. A temporary reinforcement and support device for coal mine roadways during coal mining and tunneling according to claim 1, characterized in that: The bottom of both the mounting shell (1) and the fixing shell (205) is fixed with a base, and the inner wall of the base is provided with multiple mounting holes.

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