Dustproof cover for drilling
By designing a drilling dust cover, the fixed components, spray components and dust-proof structure are used to solve the problem of dust flying during the drilling process, and the safety and health of the construction environment are significantly improved.
Patent Information
- Application Number
- CN202420770477.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-15
AI Technical Summary
During the drilling and unloading process of impact ground-pressure coal mines, a large amount of dust is generated by the drilling hole, causing dust to fly in the working environment and affecting the health of construction workers.
A drilled dustproof cover is designed, which abuts the cover on the side wall of the tunnel or wire mesh through a fixed assembly. The spraying component sprays water into the inside of the cover. The water mist and dust combine to fall into the inside of the cover to prevent the The dust structure prevents dust from leaking through the drilling rig inlet.
It effectively reduces the flying of dust during drilling, improves the working environment of construction workers, and protects their health.
Smart Images
Figure CN222478678U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine drilling pressure relief, in particular to a drilling dust cover. Background Art
[0002] Coal mines with rock bursts need to drill holes on the tunnel walls to relieve pressure. This process generates a large amount of dust, causing dust to fly in the working environment. Construction workers inhale a large amount of dust, affecting their health. Utility Model Content
[0003] In view of this, the utility model provides a drilling dust cover, which can be used to abut the cover body against the side wall of the tunnel or the wire mesh laid on the side wall of the tunnel through a fixing component, and the drill is inserted into the cover body through the drill rig entrance and extends out from the drill rig outlet. During the process of the drill abutting the side wall of the tunnel from the drill rig outlet and drilling, water is sprayed into the cover body through the spray component, and the water mist combines with the dust floating inside the cover body through the drill rig outlet and falls into the cover body. The anti-dust structure arranged at the drill rig entrance can prevent dust from leaking through the drill rig entrance.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A drilled dust cover, comprising:
[0006] A cover body, the cover body having a drilling rig entrance and a drilling rig exit for the drilling rig to pass through, the drilling rig entrance being movably connected to an anti-dust structure for shielding the drilling rig entrance, the anti-dust structure having a first state for sealing the drilling rig entrance, and a second state for connecting the cover body to the outside through the drilling rig entrance;
[0007] A spray assembly is fixed to the cover body, the spray assembly has a water inlet located outside the cover body and a water outlet located inside the cover body, and the water outlet is located above the drilling rig outlet;
[0008] A fixing assembly is fixed to the cover body and is used to abut the drilling rig outlet against the external foundation.
[0009] Preferably, the spray assembly includes a water inlet pipe penetrating through and fixedly connected to the cover body, a water distribution pipe fixed inside the cover body, and a plurality of nozzles connected to the water inlet pipe through the water distribution pipe, and the nozzles are evenly distributed inside the cover body.
[0010] Preferably, a plug body for changing the cross section of the water delivery channel in the water inlet pipe is movably connected in the water inlet pipe, and a control rod for controlling the rotation and / or sliding of the plug body is movably connected on the water inlet pipe.
[0011] Preferably, the fixing assembly comprises a hook fixed to the cover body, and there are a plurality of the hooks, which are distributed at intervals along the side wall contour of the cover body.
[0012] Preferably, the hook is hinged to the cover body, the hook has a first position flush with the outlet side of the drilling rig, and an elastic member is fixed to the cover body for driving the hook to reset to the first position from other positions.
[0013] Preferably, the anti-dust structure comprises a plurality of dust-proof soft plates fixedly connected to the drilling rig inlet, and the dust-proof soft plates are densely distributed along the circumferential direction.
[0014] Preferably, the cover body comprises a cylinder body for containing dust and a cover body for closing the top opening of the cylinder body, and reinforcing ribs covering the junction of the inner walls of the cylinder body are fixed at the junction of the inner walls of the cylinder body.
[0015] Preferably, the cover body is hinged to the side wall of the cover body, and the cover body has a closed state for sealing the side wall of the cover body, and an open state for connecting part of the side wall of the cover body with the outside.
[0016] It can be seen from the above technical scheme that the drilling dust cover provided by the utility model abuts the cover body against the side wall of the tunnel or the wire mesh laid on the side wall of the tunnel through a fixing component, and the drill is inserted into the cover body through the drill inlet and extends out from the drill outlet. During the process of the drill abutting against the side wall of the tunnel from the drill outlet and drilling, water is sprayed into the cover body through the spray component, and the water mist combines with the dust floating inside the cover body through the drill outlet and falls into the cover body. The anti-dust structure arranged at the drill inlet can prevent dust from leaking through the drill inlet. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 is a schematic diagram showing a drilling dust cover structure according to an exemplary embodiment;
[0019] Figure 2 According to an exemplary embodiment Figure 1 The middle is an enlarged view of part A showing the position of the elastic member;
[0020] Figure 3 is a schematic diagram showing the position of a water distribution pipe according to an exemplary embodiment;
[0021] Figure 4 It is a schematic diagram showing the plug body structure according to an exemplary embodiment.
[0022] Reference numerals:
[0023] 1. hood body; 11. cylinder body; 12. cover body; 13. drilling rig inlet; 14. drilling rig outlet; 15. dust-proof structure; 16. dust-proof soft board; 17. reinforcing ribs; 2. spray assembly; 21. water inlet pipe; 22. water distribution pipe; 23. nozzle; 24. installation cavity; 25. plug body; 26. flow channel; 27. control lever; 3. fixing assembly; 31. hook; 32. elastic part. DETAILED DESCRIPTION
[0024] The utility model discloses a drilling dust cover, wherein the cover body can be abutted against a tunnel side wall or a wire mesh laid on the tunnel side wall through a fixing assembly, a drill is inserted into the cover body through a drill inlet and extended from a drill outlet, and during the drilling process in which the drill abuts against the tunnel side wall from the drill outlet and a hole is drilled, water is sprayed into the cover body through a spray assembly, the water mist combines with dust that floats inside the cover body through the drill outlet and then falls into the cover body, and the anti-dust structure arranged at the drill inlet can prevent dust from leaking through the drill inlet.
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] In an exemplary embodiment of the present disclosure, a drilling dust cover is provided, such as Figure 1 As shown, Figure 1 is a schematic diagram showing a drilling dust cover structure according to an exemplary embodiment; Figure 2 According to an exemplary embodiment Figure 1 The middle is an enlarged view of part A showing the position of the elastic member; Figure 3 is a schematic diagram showing the position of a water distribution pipe according to an exemplary embodiment; Figure 4 FIG. 1 is a schematic diagram showing a plug body structure according to an exemplary embodiment. Figure 1 and Figure 4 Provide explanation.
[0027] Some specific implementation modes described below are intended to facilitate those skilled in the art to understand the present embodiment, and the present embodiment is not limited to some specific implementation modes described below.
[0028] Reference Figure 1 and Figure 3 An exemplary embodiment of the present disclosure provides a drilling dust cover, the drilling dust cover comprising:
[0029] The cover body 1 has a drilling rig entrance 13 and a drilling rig exit 14 for the drilling rig to pass through, and a dust-proof structure 15 for shielding the drilling rig entrance 13 is movably connected to the drilling rig entrance 13, and the dust-proof structure 15 has a first state of closing the drilling rig entrance 13, and a second state of connecting the cover body 1 to the outside through the drilling rig entrance 13;
[0030] A spray assembly 2 is fixed to the cover body 1, and has a water inlet located outside the cover body 1 and a water outlet located inside the cover body 1, and the water outlet is located above the drilling rig outlet 14;
[0031] The fixing assembly 3 is fixed to the cover body 1 and is used to abut the drilling rig outlet 14 against the external foundation.
[0032] For example, refer to Figure 1 and Figure 3 The cover body 1 is in the shape of a hollow rectangular parallelepiped, and includes a cylinder 11 for containing dust and a cover 12 for closing the top opening of the cylinder 11. The drilling rig inlet 13 and the drilling rig outlet 14 are coaxial and arranged at the top of the two opposite side walls of the cylinder 11. A reinforcing rib 17 covering the inner wall junction of the cylinder 11 is fixed at the inner wall junction of the cylinder 11. There are four reinforcing ribs 17 and they extend vertically from the bottom surface of the cylinder 11 to the top surface of the cylinder 11. The cover body 12 is hinged to the side wall of the cylinder 11 on which the drilling rig entrance 13 is provided, and the bottom edge of the cover body 12 is hinged to the bottom edge of the side wall of the cylinder 11. The cover body 12 has a closed state for sealing the side wall of the cover body 1, and an open state for connecting part of the side wall of the cover body 1 with the outside world, that is, when the top end of the cover body 12 is rotated to be flush with the side wall of the cylinder 11, it is in the closed state, and when the top end of the cover body 12 is rotated away from the cylinder 11, the side wall of the cylinder 11 is exposed to an opening connected with the outside world, and at this time, the cover body 12 is in the open state.
[0033] The dust-proof structure 15 includes a plurality of dust-proof soft plates 16 fixedly connected to the drilling rig entrance 13. The dust-proof soft plates 16 can be made of rubber. There are four dust-proof soft plates 16 and they are densely distributed along the opening contour of the drilling rig entrance 13. The side walls of adjacent dust-proof soft plates 16 abut against each other, and the tips of the four dust-proof soft plates 16 located at the center of the drilling rig entrance 13 abut against each other. When the drilling rig is inserted into the drilling rig entrance 13, the four dust-proof soft plates 16 are pushed out into the cover body 1 by the drilling rig, and abut against the outer wall of the drilling rig at the drilling rig entrance 13 under the action of their own elasticity, so as to block the remaining drilling rig entrance 13 between the outer wall of the drilling rig and the cover body 1. At this time, the dust-proof structure 15 is in the second state. When the drilling rig is separated from the drilling rig entrance 13, the four dust-proof soft plates 16 restore the vertical posture under the action of their own elasticity, and jointly block the drilling rig entrance 13. At this time, the dust-proof structure 15 is in the first state.
[0034] The spray assembly 2 includes a water inlet pipe 21 that passes through and is fixedly connected to the cover body 1, a water distribution pipe 22 fixed inside the cover body 1, and a plurality of nozzles 23 connected to the water inlet pipe 21 through the water distribution pipe 22. The water inlet pipe 21 passes through the top surface of the cover body 1 in a vertical posture, and the two ends of the water inlet pipe 21 are respectively arranged inside and outside the cover body 1. The water distribution pipe 22 is fixed to the bottom end of the water inlet pipe 21 in a horizontal posture, and the bottom end of the water inlet pipe 21 is fixedly connected to the middle position of the length of the water distribution pipe 22. There are two nozzles 23, and the two nozzles 23 are evenly distributed on the water distribution pipe 22 inside the cover body 1.
[0035] Reference Figure 2 The fixing assembly 3 includes a hook 31 fixed to the cover body 1. There are four hooks 31 and they are hinged to the cover body 1. The hooks 31 are spaced apart along the sidewall contour of the cover body 1. The four hooks 31 are arranged on the opposite side walls of the cover body 1. The four hooks 31 are arranged vertically in pairs in a group. Two groups of hooks 31 are arranged on both sides of the drilling rig inlet 13 and the drilling rig outlet 14. The hook 31 has a first position flush with the side of the drilling rig outlet 14 on the cover body 1. An elastic member 32 is fixed on the cover body 1 for driving the hook 31 to return to the first position from other positions. The elastic member 32 is, for example, a torsion spring. One end of the torsion spring as the elastic member 32 is fixedly connected to the sidewall of the cover body 1, and the other end is fixedly connected to the hook 31. The axis of the torsion spring is arranged horizontally. When the torsion spring is in a natural state, the hook-shaped area of the hook 31 faces downward on one side of the cover body 1. At this time, the hook 31 is in an initial state. The hook 31 in the initial state is rotated upward from the side away from the cover body 1. The hook 31 can be rotated to the first position and transformed into an upward posture facing the cover body 1 while continuing to rotate. At this time, the hook 31 is hooked on the wire mesh of the side wall of the tunnel. The hook 31 hooks the wire mesh under the action of the torsion spring serving as the elastic member 32 to abut the side wall of the cover body 1 on the side where the drilling rig outlet 14 is opened against the side wall of the tunnel.
[0036] In this embodiment, the cover body 1 is abutted against the side wall of the tunnel or the wire mesh laid on the side wall of the tunnel through the fixing component 3, and the drill is extended into the cover body 1 through the drill inlet 13 and extended from the drill outlet 14. When the drill abuts against the side wall of the tunnel and drills holes from the drill outlet 14, water is sprayed into the cover body 1 through the spray component 2. The water mist combines with the dust floating in the cover body 1 through the drill outlet 14 and falls into the cover body 1. The anti-dust structure 15 arranged at the drill inlet 13 can prevent dust from leaking through the drill inlet 13.
[0037] In other embodiments, the bottom end of the nozzle 23 is flush with the top end of the drilling rig inlet 13. It should be understood that even if the bottom end of the nozzle 23 is lower than the top end of the drilling rig inlet 13, the water mist sprayed by the nozzle 23 can combine with the dust inside the cover body 1 to accelerate the falling of the dust inside the cover body 1.
[0038] In other embodiments, the installation position of the cover 12 is not limited to the bottom of the side wall of the cylinder 11 on the side where the drilling rig entrance 13 is opened, and can also be hinged to other side walls of the cylinder 11, and the hinge position of the cover 12 is not limited to the bottom side of the cover 12, but can also be other positions such as the top side of the cover 12. In addition, in order to improve the sealing effect and improve the posture stability of the cover 12 in the closed state, a sealing structure such as a sealing edge or a sealing ring can be added between the cover 12 and the cylinder 11.
[0039] In other embodiments, the number of dustproof soft plates 16 is not limited, as long as the dustproof soft plates 16 can shield the drilling rig entrance 13, for example, there may be five, six or seven dustproof soft plates 16. Similarly, the shape of the dustproof soft plates 16 is not limited to an arc-shaped blade, for example, it may also be a fan-shaped.
[0040] In other embodiments, the number of hooks 31 is not specifically limited, and may be six, seven or eight. Similarly, the position of the hooks 31 is not specifically limited, as long as the hooks 31 can fix the cover body 1 at a fixed position on the side wall of the tunnel.
[0041] In an exemplary embodiment of the present disclosure, referring to Figure 3 and Figure 4 A plug body 25 for changing the cross section of the water delivery channel in the water inlet pipe 21 is movably connected in the water inlet pipe 21 , and a control rod 27 for controlling the rotation and / or sliding of the plug body 25 is movably connected on the water inlet pipe 21 .
[0042] For example, refer to Figure 3 and Figure 4The plug body 25 is spherical and rotatably connected to the inside of the water inlet pipe 21. The water inlet pipe 21 is located outside the top of the cover body 1 and is provided with an installation cavity 24 adapted to the plug body 25. The installation cavity 24 is coaxial with and connected to the medium channel of the water inlet pipe 21. The medium channel of the water inlet pipe 21 is vertically arranged, and the rotation axis of the plug body 25 is horizontally arranged. The spherical plug body 25 is provided with a flow channel 26 that penetrates itself along its own axial direction. The flow channel 26 is perpendicular to the rotation axis of the plug body 25. The inner diameter of the flow channel 26 is consistent with the inner diameter of the medium channel of the water inlet pipe 21. The control rod 27 is integrally formed with the plug body 25 and extends horizontally out of the water inlet pipe 21. By rotating the control rod 27, the fixed-axis rotation of the control rod 27 can drive the plug body 25 to rotate synchronously around the horizontal axis, so that the flow channel 26 can be rotated to a coaxial state with the medium channel of the water inlet pipe 21. After continuing to rotate the control rod 27, the flow channel 26 and the medium channel of the water inlet pipe 21 are set at an angle, that is, the flow area between the medium channel of the water inlet pipe 21 and the flow channel 26 is reduced, and the water delivery amount in the cover body 1 is reduced to control the water spraying amount of the nozzle 23 in the cover body 1.
[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A drilled dust cover, characterized in that: include: A cover body (1), the cover body (1) having a drill inlet (13) and a drill outlet (14) for a drill to pass through, the drill inlet (13) being movably connected to an anti-dust structure (15) for shielding the drill inlet (13), the anti-dust structure (15) having a first state for sealing the drill inlet (13), and a second state for allowing the cover body (1) to communicate with the outside world through the drill inlet (13); A spray assembly (2) is fixed to the cover body (1), the spray assembly (2) having a water inlet located outside the cover body (1) and a water outlet located inside the cover body (1), the water outlet being located above the drilling rig outlet (14); A fixing assembly (3) is fixed to the cover body (1) and is used to abut the drilling rig outlet (14) against the external foundation.
2. The drilling dust cover according to claim 1, characterized in that: The spray assembly (2) comprises a water inlet pipe (21) penetrating through and fixedly connected to the cover body (1), a water distribution pipe (22) fixed inside the cover body (1), and a plurality of spray heads (23) connected to the water inlet pipe (21) via the water distribution pipe (22), wherein the spray heads (23) are evenly distributed inside the cover body (1).
3. The drilling dust cover according to claim 2, characterized in that: A plug body (25) for changing the cross section of a water delivery channel in the water inlet pipe (21) is movably connected inside the water inlet pipe (21), and a control rod (27) for controlling the rotation and / or sliding of the plug body (25) is movably connected to the water inlet pipe (21).
4. The drilling dust cover according to claim 1, characterized in that: The fixing assembly (3) comprises a hook (31) fixed to the cover body (1), and there are a plurality of hooks (31), and the hooks (31) are distributed at intervals along the side wall profile of the cover body (1).
5. The drilling dust cover according to claim 4, characterized in that: The hook (31) is hingedly connected to the cover (1), the hook (31) has a first position flush with the side of the drilling rig outlet (14), and an elastic member (32) is fixed to the cover (1) for driving the hook (31) to return to the first position from another position.
6. The drilling dust cover according to claim 1, characterized in that: The dust prevention structure (15) comprises a plurality of dust prevention soft plates (16) fixedly connected to the drilling rig inlet (13), wherein the dust prevention soft plates (16) are densely distributed along the circumferential direction.
7. The drilling dust cover according to claim 1, characterized in that: The cover body (1) comprises a cylinder (11) for containing dust and a cover body (12) for closing the top opening of the cylinder (11); a reinforcing rib (17) covering the inner wall junction of the cylinder (11) is fixed at the inner wall junction of the cylinder (11).
8. The drilling dust cover according to claim 7, characterized in that: The cover body (12) is hinged to the side wall of the cover body (1), and the cover body (12) has a closed state for sealing the side wall of the cover body (1), and an open state for connecting part of the side wall of the cover body (1) with the outside.