Guniting device for mine laneway
Through the combination of adjustable spray steel pipe and vacuum cleaner system, the problems of fixed spray angle and water dust reduction are solved, and the comprehensive spraying and slurry adhesion to the inner wall of the mine tunnel are achieved.
Patent Information
- Application Number
- CN202420399853.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-02
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-03-02
AI Technical Summary
The spray angle of the existing mine tunnel spraying device has fixed the spray angle, making it difficult to fully spray the inner wall of the mine channel. The water spraying method will dilute the slurry, affecting adhesion.
Adoptable spray steel pipe and spray head, combined with gear transmission driven by pump and motor to achieve circular swing of the spray steel pipe and spray head, and use a vacuum cleaner system combined with a pump and filter net to clean up dust and avoid water Dust reduction.
The comprehensive spraying of the inner wall of the mine tunnel is achieved, which improves the practicality of the spraying and the adhesion of the slurry, and avoids the influence of water dust reduction on the dilution of the slurry.
Smart Images
Figure CN222276674U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mine tunnel construction, and more specifically to a grouting device for mine tunnels. Background Art
[0002] Shotcrete machine is one of the main equipment for rapid support, forming and reinforcement in rock construction such as geotechnical engineering and underground engineering. It is widely used in shotcrete construction operations in mines, tunnels, culverts, subways, hydropower projects, underground projects and coal mine tunnels.
[0003] After searching, the utility model patent with announcement number CN219953374U discloses a grouting device for mine tunnels, which includes a base, a grouting machine body, a water spraying assembly and multiple mobile assemblies. The grouting machine body is arranged on the upper surface of the base, the grouting machine body has a grouting pipe, the water spraying assembly includes a water tank, a U-shaped frame and multiple atomizing nozzles, the water tank and the U-shaped frame are respectively arranged on the upper surface of the base, the U-shaped frame surrounds the grouting pipe, multiple atomizing nozzles are distributed at intervals along the path of the U-shaped frame, the atomizing nozzles are connected to the water tank through a pipeline, the water spraying direction of the atomizing nozzles and the spraying direction of the grouting pipe have an angle, and multiple mobile assemblies are arranged at intervals on the lower surface of the base along a first direction to facilitate the movement of the base; when the grouting machine body performs the grouting operation, the water in the water tank is transported to the atomizing nozzle through a pipeline, and the water is sprayed out through the atomizing nozzle to form a purified water curtain, so as to achieve the purpose of reducing dust generated by the grouting operation and improve the safety of the staff.
[0004] However, the above patent still has the following shortcomings: the spraying angle of the spraying pipe is fixed, which is only convenient for spraying in one direction, and is not convenient for spraying all the inner walls of the mine tunnel, and its practicality is poor; in addition, when spraying water to reduce dust after spraying, the water and the sprayed slurry will mix and affect the slurry, making the slurry dilute and affecting the adhesion of the slurry on the inner wall of the mine tunnel. For this reason, we propose a spraying device for mine tunnels. Utility Model Content
[0005] In view of the problems existing in the prior art, the utility model aims to provide a grouting device for mine tunnels.
[0006] In order to solve the above problems, the utility model adopts the following technical solutions:
[0007] A shotcrete device for a mine tunnel comprises a bottom plate, a slurry storage box is fixedly connected to the top of the bottom plate, a dust suction mechanism is arranged on the top of the bottom plate, a support frame is arranged on the top surface of the bottom plate, a rotating tube is rotatably connected to the support frame, one end of the rotating tube is fixedly sleeved with a rotating plate, the side of the rotating plate is fixedly connected with a rotating frame, a shotcrete steel pipe is rotatably connected to the inner side of the rotating frame, one end of the shotcrete steel pipe is fixedly connected with a shotcrete head, the other end of the shotcrete steel pipe is fixedly sleeved with a slurry guide hose, one end of the slurry guide hose is fixedly sleeved A slurry pump is fixedly installed on the side of the slurry box and is sleeved into the inner cavity of the rotating tube. The input end of the slurry pump extends to the inner cavity of the slurry box. The output end of the slurry pump is fixedly connected to a slurry steel pipe. The end of the slurry steel pipe is fixedly connected to a rotary joint. One end of the rotary joint is fixedly sleeved into the inner cavity of the rotating tube. A second gear is fixedly sleeved on the outside of one end of the rotating tube. A first motor is fixedly installed on the top of the support frame. The output shaft of the first motor is fixedly sleeved with a first gear. The first gear and the second gear are meshed with each other.
[0008] As a preferred solution of the utility model, the dust suction mechanism includes two support columns fixedly connected to the top surface of the base plate, the top ends of the two support columns are fixedly connected to a dust storage box, the end face of the dust storage box is hinged with a sealing door, the inner cavity of the dust storage box is provided with a filter, the side of the dust storage box is fixedly installed with an air pump, the input end of the air pump extends to the inner cavity of the dust storage box, the other side of the dust storage box is fixedly sleeved with a soft dust suction pipe, and the end of the soft dust suction pipe is fixedly connected to a dust hood.
[0009] As a preferred solution of the utility model, a second motor is fixedly installed on the outer side of the rotating frame, and the output shaft of the second motor is connected to one end of the rotating shaft of the shotcrete steel pipe.
[0010] As a preferred solution of the utility model, a push handle is fixedly connected to the top surface of the base plate, and a controller is fixedly installed on the push handle.
[0011] As a preferred solution of the utility model, a plurality of self-locking casters are fixedly mounted on the bottom surface of the base plate.
[0012] As a preferred solution of the utility model, a threaded plug is threadedly installed on the top surface of the slurry storage box, and the bottom end of the threaded plug extends to the inner cavity of the slurry storage box.
[0013] Compared with the prior art, the advantages of the present invention are:
[0014] (1) In the utility model, the second motor is used to adjust the spraying angle of the spraying steel pipe and the spraying head. In addition, a slurry pump is used to make the slurry in the slurry storage box spray out from the spraying steel pipe. The first motor is used to drive the first gear to rotate, and the meshing transmission between the first gear and the second gear is used to drive the spraying steel pipe and the spraying head to swing in a circle, so as to achieve complete spraying of the inner wall of the tunnel.
[0015] (2) In the utility model, by using a dust storage box, an air pump, a filter, a soft dust suction tube and a dust hood in coordination, the air pump is started during spraying to generate suction in the dust hood, and the dust generated by the spraying is sucked into the inner cavity of the dust storage box by the suction force of the dust hood, and the dust is retained in the inner cavity of the dust storage box by the filter, thereby realizing the function of cleaning the dust generated by the spraying, avoiding the problem of the influence of water spraying on the slurry due to dust reduction, and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the slurry storage box of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the spraying steel pipe of the utility model;
[0019] Figure 4 It is a cross-sectional schematic diagram of the dust storage box of the utility model.
[0020] Description of the numbers in the figure:
[0021] 1. Bottom plate; 2. Dust suction mechanism; 3. Slurry storage box; 4. Support frame; 5. Rotating pipe; 6. Rotating plate; 7. Rotating frame; 8. Slurry spraying steel pipe; 9. Slurry spraying head; 10. Slurry guide hose; 11. Second gear; 12. First motor; 13. First gear; 14. Rotary joint; 15. Slurry suction pump; 16. Slurry suction steel pipe; 17. Second motor; 18. Support column; 19. Dust storage box; 20. Air suction pump; 21. Filter; 22. Soft dust suction pipe; 23. Dust hood; 24. Sealed door; 25. Self-locking casters; 26. Push handle; 27. Controller; 28. Threaded plug. DETAILED DESCRIPTION
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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.
[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0025] Example:
[0026] See also Figure 1-4 A grouting device for a mine tunnel comprises a bottom plate 1, a slurry storage box 3 is fixedly connected to the top of the bottom plate 1, a dust suction mechanism 2 is arranged on the top of the bottom plate 1, a support frame 4 is arranged on the top surface of the bottom plate 1, a rotating tube 5 is rotatably connected to the support frame 4, one end of the rotating tube 5 is fixedly sleeved with a rotating plate 6, a rotating frame 7 is fixedly connected to the side of the rotating plate 6, a grouting steel pipe 8 is rotatably connected to the inner side of the rotating frame 7, one end of the grouting steel pipe 8 is fixedly connected with a grouting head 9, the other end of the grouting steel pipe 8 is fixedly sleeved with a slurry guide hose 10, one end of the slurry guide hose 10 is fixedly sleeved to the rotating tube 5, a slurry pump 15 is fixedly installed on the side of the slurry storage box 3, the input end of the slurry pump 15 extends to the inner cavity of the slurry storage box 3, the output end of the slurry pump 15 is fixedly connected to a slurry suction steel pipe 16, the end of the slurry suction steel pipe 16 is fixedly connected to a rotary joint 14, one end of the rotary joint 14 is fixedly sleeved to the inner cavity of the rotating tube 5, the outside of one end of the rotating tube 5 is fixedly sleeved with a second gear 11, the top of the support frame 4 is fixedly installed with a first motor 12, the output shaft of the first motor 12 is fixedly sleeved with a first gear 13, and the first gear 13 and the second gear 11 are meshed with each other.
[0027] For details, please refer to Figure 1 , Figure 2 and Figure 4The dust collection mechanism 2 includes two support columns 18 fixedly connected to the top surface of the base plate 1, and a dust storage box 19 is fixedly connected to the top of the two support columns 18. A sealing door 24 is hinged on the end surface of the dust storage box 19. A filter screen 21 is provided in the inner cavity of the dust storage box 19. An air pump 20 is fixedly installed on the side of the dust storage box 19, and the input end of the air pump 20 extends to the inner cavity of the dust storage box 19. A soft dust collection pipe 22 is fixedly sleeved on the other side of the dust storage box 19, and a dust collection hood 23 is fixedly connected to the end of the soft dust collection pipe 22.
[0028] In this embodiment, the dust filtered out of the inner cavity of the dust storage box 19 is cleaned by opening the sealing door 24 , and the filter screen 21 is replaced at the same time. In addition, the side surface of the filter screen 21 is in contact with the inner wall of the dust storage box 19 .
[0029] For details, please refer to Figure 2 A second motor 17 is fixedly mounted on the outer side of the rotating frame 7 , and an output shaft of the second motor 17 is connected to one end of the rotating shaft of the shotcrete steel pipe 8 .
[0030] In this embodiment, the second motor 17 is used to drive the spraying steel pipe 8 to rotate, thereby changing the spraying angle of the spraying steel pipe 8 and the spraying head 9.
[0031] For details, please refer to Figure 1 A push handle 26 is fixedly connected to the top surface of the base plate 1 , and a controller 27 is fixedly mounted on the push handle 26 .
[0032] In this embodiment, the push handle 26 is used to push the device, and the controller 27 is used to control the device.
[0033] For details, please refer to Figure 1 A plurality of self-locking casters 25 are fixedly mounted on the bottom surface of the base plate 1 .
[0034] In this embodiment, the self-locking casters 25 are used to drive the device to move.
[0035] For details, please refer to Figure 1 A threaded plug 28 is threadedly installed on the top surface of the slurry storage box 3 , and the bottom end of the threaded plug 28 extends to the inner cavity of the slurry storage box 3 .
[0036] In this embodiment, the slurry is loaded into the inner cavity of the slurry storage box 3 by removing the threaded plug 28 .
[0037] Working principle: When in use, first open the threaded plug 28 to inject slurry into the slurry storage box 3, and start the second motor 17 to drive the grouting steel pipe 8 to rotate, thereby changing the spraying angle of the grouting steel pipe 8 and the grouting head 9, and then start the first motor 12 to drive the first gear 13 to rotate, and use the cooperation between the first gear 13 and the second gear 11 to drive the rotating pipe 5, the rotating plate 6, the rotating frame 7, the grouting steel pipe 8 and the grouting head 9 to rotate, and at the same time start the slurry pump 15 to extract the slurry in the slurry storage box 3, so that the slurry is discharged from the grouting steel pipe. 16, the rotary joint 14, the rotating tube 5, the slurry guide hose 10, and the spraying steel pipe 8 enter the spraying head 9, so that the slurry is sprayed from the spraying head 9 onto the inner wall of the mine tunnel. Finally, the push handle 26 is held to pull the device to move, so as to continuously spray the tunnel. At the same time, the vacuum pump 20 is started to make the dust hood 23 generate suction. The suction force of the dust hood 23 is used to suck the dust raised by the spraying into the inner cavity of the dust storage box 19, and the filter screen 21 in the inner cavity of the dust storage box 19 is used to retain the dust in the inner cavity of the dust storage box 19.
[0038] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.
Claims
1. A shotcreting device for a mine tunnel, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a slurry storage box (3), the top of the bottom plate (1) is provided with a dust suction mechanism (2), the top surface of the bottom plate (1) is provided with a support frame (4), a rotating tube (5) is rotatably connected to the support frame (4), one end of the rotating tube (5) is fixedly sleeved with a rotating plate (6), the side of the rotating plate (6) is fixedly connected with a rotating frame (7), the inner side of the rotating frame (7) is rotatably connected with a shotcrete steel pipe (8), one end of the shotcrete steel pipe (8) is fixedly connected with a shotcrete head (9), the other end of the shotcrete steel pipe (8) is fixedly sleeved with a slurry guide hose (10), one end of the slurry guide hose (10) is fixedly sleeved to the inner cavity of the rotating tube (5), and the A slurry pump (15) is fixedly installed on the side of the slurry storage box (3), the input end of the slurry pump (15) extends to the inner cavity of the slurry storage box (3), the output end of the slurry pump (15) is fixedly connected to a slurry suction steel pipe (16), the end of the slurry suction steel pipe (16) is fixedly connected to a rotary joint (14), one end of the rotary joint (14) is fixedly sleeved to the inner cavity of the rotating tube (5), the outer part of one end of the rotating tube (5) is fixedly sleeved with a second gear (11), the top end of the support frame (4) is fixedly installed with a first motor (12), the output shaft of the first motor (12) is fixedly sleeved with a first gear (13), and the first gear (13) and the second gear (11) are meshed with each other.
2. A shotcrete device for mine tunnel according to claim 1, characterized in that: The dust suction mechanism (2) comprises two support columns (18) fixedly connected to the top surface of the base plate (1), the top ends of the two support columns (18) being fixedly connected to a dust storage box (19), the end surface of the dust storage box (19) being hinged with a sealing door (24), the inner cavity of the dust storage box (19) being provided with a filter screen (21), a suction pump (20) being fixedly installed on the side of the dust storage box (19), the input end of the suction pump (20) extending to the inner cavity of the dust storage box (19), a soft dust suction pipe (22) being fixedly sleeved on the other side of the dust storage box (19), and a dust suction hood (23) being fixedly connected to the end of the soft dust suction pipe (22).
3. A shotcreting device for mine tunnel according to claim 1, characterized in that: A second motor (17) is fixedly mounted on the outer side of the rotating frame (7), and an output shaft of the second motor (17) is connected to one end of a rotating shaft of the shotcrete steel pipe (8).
4. A shotcreting device for mine tunnel according to claim 1, characterized in that: A push handle (26) is fixedly connected to the top surface of the base plate (1), and a controller (27) is fixedly mounted on the push handle (26).
5. A shotcreting device for mine tunnel according to claim 1, characterized in that: A plurality of self-locking casters (25) are fixedly mounted on the bottom surface of the base plate (1).
6. A shotcrete device for mine tunnel according to claim 1, characterized in that: A threaded plug (28) is threadedly mounted on the top surface of the slurry storage box (3), and the bottom end of the threaded plug (28) extends to the inner cavity of the slurry storage box (3).