Roadway grouting device

Abstract

The utility model provides a roadway grouting device, and relates to the technical field of grouting devices, the roadway grouting device comprises a grouting pipe, a sliding rod, a first insertion rod, a second insertion rod and a driving assembly, the rear end of the grouting pipe is provided with a grout inlet hole, the side end of the grouting pipe is provided with a plurality of grout outlet holes, and the sliding rod penetrates through the rear end of the grouting pipe in a limited sliding mode; the first inserting rod is fixedly connected with the sliding rod, the first inserting rod can penetrate out of the front end of the grouting pipe, the first inserting rod is hollow, a limiting sliding groove is formed in the first inserting rod, the second inserting rod is in limiting sliding connection with the limiting sliding groove, and the second inserting rod can penetrate out of the side end of the first inserting rod; and the grouting pipe is fixed in the horizontal direction through the first inserting rod, and the grouting pipe is fixed in the vertical direction through the second inserting rod, so that the grouting pipe is firmly installed, and the use stability is improved.

Description

Technical Field

[0001] The present application relates to the technical field of grouting devices, and in particular to a tunnel grouting device. Background Art

[0002] Tunnels are various passages drilled between the surface and the ore body, which are used for ore transportation, ventilation, drainage, pedestrians, and various necessary preparatory works for the new excavation of ore for metallurgical equipment. These passages are collectively called tunnels. The tunnel grouting technology can effectively solve the problems such as water leakage in underground coal mine areas, as well as reinforce the tunnels and enhance the self-bearing capacity of the tunnels. However, when drilling holes on the inner wall of the tunnel for grouting, the existing grouting pipes cannot be securely fixed in the grouting holes, and the stability of use is poor. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a tunnel grouting device, which can solve the technical problem that the existing grouting pipe cannot be firmly fixed in the grouting hole and has poor stability in use.

[0004] The embodiment of the present application provides a tunnel grouting device, comprising a grouting pipe, a sliding rod, a first plugging rod, a second plugging rod and a driving assembly, wherein a grouting hole is provided at the rear end of the grouting pipe, and a plurality of grouting holes are provided at the side end of the grouting pipe, the sliding rod is limitedly slidable and penetrates the rear end of the grouting pipe, the first plugging rod is fixedly connected to the sliding rod, and the first plugging rod can penetrate the front end of the grouting pipe, the first plugging rod is hollow, and a limited sliding groove is provided in the first plugging rod, the second plugging rod is limitedly slidably connected to the limited sliding groove, and the second plugging rod can penetrate the side end of the first plugging rod;

[0005] The driving assembly includes a screw, a gear and a rack. The screw thread passes through the sliding rod. The gear is located in the first plug rod, and the screw is fixedly connected to the gear. The second plug rod is provided with a groove. The rack is fixedly arranged in the groove, and the rack is meshingly connected to the gear.

[0006] There are two second insertion rods, and the two second insertion rods are symmetrically arranged.

[0007] Wherein, a first conical block is fixedly provided at one end of the first insertion rod extending out of the grouting pipe, and a second conical block is fixedly provided at one end of the second insertion rod extending out of the first insertion rod.

[0008] Wherein, a first handle is fixedly provided at the rear end of the sliding rod, and a second handle is fixedly provided at the rear end of the screw rod.

[0009] Wherein, a locking piece is arranged on the sliding rod, one end of the locking piece is threadedly connected to the sliding rod, and the other end of the locking piece is in contact with the grouting pipe.

[0010] Among them, the multiple slurry outlet holes are evenly distributed on the side ends of the grouting pipe.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides a tunnel grouting device. When in use, a hole is drilled in the inner wall of the tunnel in advance, and then a grouting pipe is inserted into the grouting hole. The sliding rod is first pushed into the grouting hole, and the sliding rod drives the first plug rod to move. The first plug rod penetrates the front end of the grouting pipe and is inserted into the inner wall of the tunnel. Then, the screw rod is rotated to drive the gear to rotate, and the gear drives the rack to move. The rack drives the second plug rod to move, and the second plug rod penetrates the side end of the first plug rod and is inserted into the inner wall of the tunnel. Then, slurry is sent into the grouting pipe from the slurry inlet hole through an external grouting pump, and the slurry is discharged from the slurry outlet hole and penetrates into the inner wall of the tunnel, so as to perform grouting work; the first plug rod fixes the grouting pipe in the horizontal direction, and the second plug rod fixes the grouting pipe in the vertical direction, so that the grouting pipe is securely installed and the stability in use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall front cross-sectional structure in some embodiments of the present application;

[0015] Figure 2 This is a schematic diagram of the overall main structure in some embodiments of the present application;

[0016] Figure 3 It is a schematic diagram of a side cross-sectional structure of a first insertion rod in some embodiments of the present application.

[0017] The reference numerals are:

[0018] 1. Grouting pipe; 11. Grout inlet hole; 12. Grout outlet hole;

[0019] 2. Sliding rod; 21. First handle; 22. Locking piece;

[0020] 3. first plug rod; 31. limiting slide groove; 32. first conical block;

[0021] 4. second plug rod; 41. groove; 42. second tapered block;

[0022] 5. Driving assembly; 51. Screw rod; 52. Gear; 53. Rack; 54. Second handle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application 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 a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] like Figures 1 to 3 As shown, the embodiment of the present application provides a tunnel grouting device, including a grouting pipe 1, a sliding rod 2, a first plug rod 3, a second plug rod 4 and a driving assembly 5. The rear end of the grouting pipe 1 is provided with a grouting hole 11, and the side end of the grouting pipe 1 is provided with a plurality of grouting holes 12. The sliding rod 2 is limitedly slidable through the rear end of the grouting pipe 1, the first plug rod 3 is fixedly connected to the sliding rod 2, and the first plug rod 3 can pass through the front end of the grouting pipe 1, the first plug rod 3 is hollow, and a limited sliding groove 31 is provided in the first plug rod 3, the second plug rod 4 is limitedly slidably connected to the limited sliding groove 31, and the second plug rod 4 can pass through the side end of the first plug rod 3;

[0030] The driving assembly 5 includes a screw 51, a gear 52 and a rack 53. The screw 51 threadably penetrates the sliding rod 2. The gear 52 is located in the first insertion rod 3, and the screw 51 is fixedly connected to the gear 52. The second insertion rod 4 is provided with a groove 41. The rack 53 is fixedly arranged in the groove 41, and the rack 53 is meshingly connected to the gear 52.

[0031] When in use, a hole is drilled on the inner wall of the tunnel in advance, and then the grouting pipe 1 is inserted into the grouting hole. First, the sliding rod 2 is pushed into the grouting hole, and the sliding rod 2 drives the first plug rod 3 to move. The first plug rod 3 penetrates the front end of the grouting pipe 1 and is inserted into the inner wall of the tunnel. Then, the screw 51 is rotated to drive the gear 52 to rotate, and the gear 52 drives the rack 53 to move. The rack 53 drives the second plug rod 4 to move. The second plug rod 4 penetrates the side end of the first plug rod 3 and is inserted into the inner wall of the tunnel. Then, slurry is sent into the grouting pipe 1 from the slurry inlet hole 11 through an external grouting pump, and the slurry is discharged from the slurry outlet hole 12 to penetrate into the inner wall of the tunnel, thereby performing grouting work; the first plug rod 3 fixes the grouting pipe 1 in the horizontal direction, and the second plug rod 4 fixes the grouting pipe 1 in the vertical direction, so that the grouting pipe 1 is securely installed and the stability of use is improved.

[0032] like Figure 1 and 3 As shown, in this embodiment, two second insertion rods 4 are provided, and the two second insertion rods 4 are symmetrically arranged; the two symmetrically arranged second insertion rods 4 make the grouting pipe 1 more securely installed and further improve the stability in use.

[0033] like Figure 1 and 3 As shown, in this embodiment, a first conical block 32 is fixedly provided at one end of the first insertion rod 3 extending out of the grouting pipe 1, and a second conical block 42 is fixedly provided at one end of the second insertion rod 4 extending out of the first insertion rod 3; the first conical block 32 facilitates the insertion of the first insertion rod 3 into the inner wall of the tunnel, and the second conical block 42 facilitates the insertion of the second insertion rod 4 into the inner wall of the tunnel.

[0034] like Figure 1 and 2As shown, in this embodiment, a first handle 21 is fixedly provided at the rear end of the slide rod 2, and a second handle 54 is fixedly provided at the rear end of the screw rod 51; the first handle 21 facilitates the staff to push the slide rod 2, and the second handle 54 facilitates the staff to rotate the screw rod 51, thereby improving convenience of use.

[0035] like Figure 2 As shown, in this embodiment, a locking piece 22 is provided on the slide bar 2, one end of the locking piece 22 is threadedly connected to the slide bar 2, and the other end of the locking piece 22 is in contact with the grouting pipe 1; before the device is used, the locking piece 22 is threadedly installed on the slide bar 2 to prevent the slide bar 2 from sliding toward the front end of the grouting pipe 1, so that the first insertion rod 3 is retracted in the grouting pipe 1. When in use, the locking piece 22 is unscrewed, the slide bar 2 can be pushed to drive the first insertion rod 3 to move, and the first insertion rod 3 passes through the front end of the grouting pipe 1 and is inserted into the inner wall of the tunnel.

[0036] like Figure 1 and 2 As shown, in this embodiment, a plurality of slurry outlet holes 12 are evenly distributed on the side end of the grouting pipe 1; the evenly distributed slurry outlet holes 12 make the grouting process uniform and rapid.

[0037] Working principle: When the tunnel grouting device provided by the present application is used, a hole is drilled on the inner wall of the tunnel in advance, and then the grouting pipe 1 is inserted into the grouting hole. First, grasp the first handle 21 to push the sliding rod 2 into the grouting hole, and the sliding rod 2 drives the first insertion rod 3 to move. The first insertion rod 3 penetrates the front end of the grouting pipe 1 and is inserted into the inner wall of the tunnel. Then, the second handle 54 is rotated to drive the screw 51 to rotate, and the screw 51 drives the gear 52 to rotate, and the gear 52 drives the rack 53 to move. The rack 53 drives the second insertion rod 4 to move, and the second insertion rod 4 penetrates the side end of the first insertion rod 3 and is inserted into the inner wall of the tunnel. Then, the slurry is sent into the grouting pipe 1 from the slurry inlet hole 11 through an external grouting pump, and the slurry is discharged from the slurry outlet hole 12 to penetrate into the inner wall of the tunnel, thereby performing grouting work.

[0038] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tunnel grouting device, characterized in that: The invention comprises a grouting pipe (1), a sliding rod (2), a first plugging rod (3), a second plugging rod (4) and a driving assembly (5); the rear end of the grouting pipe (1) is provided with a grouting inlet hole (11), and the side end of the grouting pipe (1) is provided with a plurality of grouting outlet holes (12); the sliding rod (2) is limitedly slidable and penetrates the rear end of the grouting pipe (1); the first plugging rod (3) is fixedly connected to the sliding rod (2), and the first plugging rod (3) can penetrate the front end of the grouting pipe (1); the first plugging rod (3) is hollow, and a limited sliding groove (31) is provided in the first plugging rod (3); the second plugging rod (4) is limitedly slidably connected to the limited sliding groove (31), and the second plugging rod (4) can penetrate the side end of the first plugging rod (3); The driving assembly (5) comprises a screw rod (51), a gear (52) and a rack (53); the screw rod (51) is threadedly passed through the sliding rod (2); the gear (52) is located in the first insertion rod (3), and the screw rod (51) is fixedly connected to the gear (52); the second insertion rod (4) is provided with a groove (41), the rack (53) is fixedly arranged in the groove (41), and the rack (53) is meshingly connected to the gear (52).

2. The tunnel grouting device according to claim 1, characterized in that: Two second insertion rods (4) are provided, and the two second insertion rods (4) are symmetrically arranged.

3. The tunnel grouting device according to claim 1, characterized in that: A first conical block (32) is fixedly provided at one end of the first insertion rod (3) extending out of the grouting pipe (1), and a second conical block (42) is fixedly provided at one end of the second insertion rod (4) extending out of the first insertion rod (3).

4. The tunnel grouting device according to claim 1, characterized in that: A first handle (21) is fixedly provided at the rear end of the slide rod (2), and a second handle (54) is fixedly provided at the rear end of the screw rod (51).

5. The tunnel grouting device according to claim 1, characterized in that: The slide bar (2) is provided with a locking piece (22), one end of the locking piece (22) is threadedly connected to the slide bar (2), and the other end of the locking piece (22) is in contact with the grouting pipe (1).

6. The tunnel grouting device according to claim 1, characterized in that: The plurality of grout outlet holes (12) are evenly distributed on the side ends of the grouting pipe (1).

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