Grouting device for tunnel construction

Abstract

The invention discloses a grouting device for tunnel construction, which relates to the field of tunnel construction and comprises a mounting base, wherein a moving mechanism for movement is arranged below the mounting base, a material storage box, a mixing mechanism and a grouting mechanism are arranged on the mounting base, a conveying conduit for connecting the mixing mechanism and the grouting mechanism is arranged between the mixing mechanism and the grouting mechanism, a vertical hoist is arranged in the material storage box, and an outlet end of the vertical hoist is located at a feeding end of the mixing mechanism; the device has a simple structure and is convenient to use, a drilling probe is arranged and a spiral structure is provided on the grouting pipe body so that the depth position of the grouting pipe body can be adjusted according to actual conditions, and a telescopic drive is also arranged so that the angle of the grouting pipe body can also be changed, thereby making the device more convenient to use and having a wider range of applications.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel construction, in particular to a grouting device for tunnel construction. Background Art

[0002] Grouting is required during tunnel construction to enhance strength and stability. However, the grouting mechanism of the existing grouting device can only perform fixed-depth grouting under the condition of pre-drilling, and the posture of the grouting mechanism is fixed and can only be kept vertical or horizontal, which is not convenient in actual use. Therefore, a grouting device for tunnel construction is provided. Summary of the invention

[0003] The object of the present invention is to provide a grouting device for tunnel construction to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A grouting device for tunnel construction, comprising a mounting frame, a moving mechanism for movement is arranged below the mounting frame, a material storage box, a mixing mechanism and a grouting mechanism are arranged on the mounting frame, a conveying conduit for connecting the mixing mechanism and the grouting mechanism is arranged between the mixing mechanism and the grouting mechanism, a vertical hoist is arranged in the material storage box, and the outlet end of the vertical hoist is located at the feeding end of the mixing mechanism, the grouting mechanism comprises a connecting shell, a driving shaft and a grouting pipe body, the two ends of the connecting shell are rotatably arranged on the upper end of a fixed support, and the fixed support is fixedly connected to the mounting frame. A driving shaft with a hollow structure is rotatably arranged in the connecting shell, and a through hole for connecting the two is provided at a position of the driving shaft in the connecting shell, the grouting pipe body is slidably sleeved on the driving shaft and the two are non-circularly coupled, a spiral structure is provided on the outer side of the grouting pipe body and a drilling probe is provided at one end away from the connecting shell, at least one grouting hole is also provided on the grouting pipe body, and a telescopic drive for driving is also provided on the lower side of the connecting shell through a rotating connecting seat, and an adjusting motor for driving the driving shaft to rotate is also provided.

[0006] As a further solution of the present invention: the matching shape of the driving shaft and the grouting pipe body is a quadrilateral or a regular hexagon.

[0007] As a further solution of the present invention: the telescopic drive is a hydraulic telescopic mechanism.

[0008] As a further solution of the present invention: side shielding plates are provided on the upper and lower sides of the mounting base.

[0009] As a further solution of the present invention: the mixing mechanism includes a stirring motor, a stirring box and stirring blades, the stirring box is fixedly arranged and has a feeding funnel thereon, the stirring motor is fixedly connected to the stirring box and is driven by a stirring shaft extending into the stirring box, and a plurality of inclined stirring blades are fixedly connected to the side of the stirring shaft.

[0010] As a further solution of the present invention: the lower end of the mixing box is arranged in an arc shape, and a cleaning and draining pipe is arranged at the lower end thereof, and a control switch is arranged on the cleaning and draining pipe.

[0011] As a further solution of the present invention: a brake assembly is also provided, which includes a rotating connecting seat, a brake link and a brake component. One end of the brake link is rotatably connected to the lower surface of the mounting base through the rotating connecting seat, and the other end is fixedly provided with the brake component. A telescopic drive is also provided on the side of the brake link, and a plurality of anti-slip protrusions for increasing friction resistance are provided on the surface of the brake component.

[0012] As a further solution of the present invention: an anti-blocking structure is also arranged in the grouting hole, and the anti-blocking structure includes a compression spring, a sealing plug and a sealing ring plate. A sealing ring plate is fixedly arranged in the grouting hole, a sealing plug is arranged on the side of the sealing ring plate close to the outer side of the grouting pipe body, a compression spring is fixedly connected to the side of the sealing plug away from the sealing ring plate, and a rubber hose for protection is arranged outside the compression spring.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The device has a simple structure and is easy to use. By providing a drilling probe and a spiral structure on the grouting pipe body, the depth position of the grouting pipe body can be adjusted according to actual conditions. At the same time, a telescopic drive is also provided so that the angle of the grouting pipe body can also be changed, thereby making the device more convenient to use and having a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of a grouting device for tunnel construction according to the present invention.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of part of the grouting device for tunnel construction of the present invention.

[0017] Figure 3 It is a schematic diagram of the structure of a drilling probe in a grouting device for tunnel construction of the present invention.

[0018] Figure 4 It is a structural schematic diagram of Example 3 of the grouting device for tunnel construction of the present invention.

[0019] In the figure: moving mechanism 1, side baffle plate 2, mounting base 3, rotating connecting seat 4, brake connecting rod 5, brake component 6, stirring shaft 7, conveying duct 8, storage box 9, feeding funnel 10, stirring motor 11, stirring box 12, stirring blade 13, cleaning drain pipe 14, conveying pump 15, adjusting motor 16, connecting shell 17, driving shaft 18, grouting pipe body 19, fixed support 20, vertical hoist 21, telescopic drive 22, drilling head 23, compression spring 24, sealing plug 25, sealing ring plate 26. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0021] Example 1

[0022] See also Figure 1-4, the present embodiment provides a grouting device for tunnel construction, comprising an installation base 3, a mobile mechanism 1 for movement is arranged below the installation base 3, a material storage box 9, a mixing mechanism and a grouting mechanism are arranged on the installation base 3, a conveying conduit 8 for connecting the two is arranged between the mixing mechanism and the grouting mechanism, a vertical hoist 21 is arranged in the material storage box 9, and the outlet end of the vertical hoist 21 is located at the feeding end of the mixing mechanism, the grouting mechanism comprises a connecting shell 17, a driving shaft 18 and a grouting pipe body 19, both ends of the connecting shell 17 are rotatably arranged on the upper end of a fixed support 20, the fixed support 20 is fixedly connected to the installation base 3, a driving shaft 18 with a hollow structure is rotatably arranged in the connecting shell 17, and a through hole for connecting the two is opened at the position where the driving shaft 18 is located in the connecting shell 17, the grouting pipe body 19 is slidably sleeved on the driving shaft 18 and the two are non-circularly coupled, a spiral structure is arranged on the outside of the grouting pipe body 19 and it is away from the A drilling probe 23 is provided at one end of the connecting shell 17, and at least one grouting hole is also provided on the grouting pipe body 19. A telescopic drive 22 for driving is also provided on the lower side of the connecting shell 17 through a rotating connecting seat 4, and an adjusting motor 16 for driving the driving shaft 18 to rotate is also provided; the raw materials stored in the storage box 9 are transported to the mixing mechanism for mixing under the action of the vertical hoist 21, and after mixing, they are supplied to the connecting shell 17 through the conveying conduit 8 and the conveying pump 15 and enter the driving shaft 18 through the through hole, and finally the grouting work is completed through the grouting holes on the grouting pipe body 19. When in use, if it is necessary to change the grouting depth, the driving shaft 18 is driven to rotate by the adjusting motor 16, and then the grouting pipe body 19 is driven to rotate, and the depth of the grouting pipe body 19 is changed under the action of the drilling probe 23 and the spiral structure; the angle of the grouting pipe body 19 can be changed within a certain range by extending or shortening the telescopic drive 22.

[0023] Specifically, the driving shaft 18 and the grouting pipe body 19 cooperate in a shape of a quadrilateral or a regular hexagon, and other shapes may also be selected, which are not limited here.

[0024] Specifically, there is no restriction on the selection of the telescopic drive 22. As an example, in this embodiment, the telescopic drive 22 is a hydraulic telescopic mechanism.

[0025] Specifically, the upper and lower sides of the mounting base 3 are both provided with side shielding plates 2, and the side shielding plates 2 play a shielding and protective role.

[0026] Specifically, the mixing mechanism includes a stirring motor 11, a stirring box 12 and stirring blades 13. The stirring box 12 is fixedly arranged and has a feeding funnel 10 thereon. The stirring motor 11 is fixedly connected to the stirring box 12 and is driven by a stirring shaft 7 extending into the stirring box 12. A plurality of inclined stirring blades 13 are fixedly connected to the side of the stirring shaft 7. The stirring motor 11 drives the stirring shaft 7 to rotate and then drives the stirring blades 13 to rotate to perform stirring and mixing. The stirring blades 13 are inclined. When the stirring blades 13 are forward, the material at the bottom of the stirring box 12 can be turned upward, thereby enhancing the stirring effect. When the stirring blades 13 are reversed, the material can be promoted to be discharged.

[0027] Specifically, the lower end of the mixing box 12 is arc-shaped, and a cleaning drain pipe 14 is provided at the lower end thereof, and a control switch is provided on the cleaning drain pipe 14; the arc-shaped lower end of the mixing box 12 is more convenient for discharging, and the cleaning drain pipe 14 is provided to facilitate drainage during cleaning.

[0028] The working principle of this embodiment:

[0029] The raw materials stored in the storage box 9 are transported to the mixing mechanism for mixing under the action of the vertical hoist 21. After mixing, they are supplied to the connecting shell 17 through the conveying conduit 8 and the conveying pump 15 and enter the driving shaft 18 through the through hole. Finally, the grouting work is completed through the grouting holes on the grouting pipe body 19. When in use, if it is necessary to change the grouting depth, the driving shaft 18 is driven to rotate by the adjusting motor 16, and then the grouting pipe body 19 is driven to rotate, and the depth of the grouting pipe body 19 is changed under the action of the drilling head 23 and the spiral structure; the angle of the grouting pipe body 19 can be changed within a certain range by extending or shortening the telescopic drive 22.

[0030] Example 2

[0031] On the basis of Example 1, a brake assembly is further provided, which includes a rotating connecting seat 4, a brake link 5 and a brake component 6. One end of the brake link 5 is rotatably connected to the lower surface of the mounting base 3 through the rotating connecting seat 4, and the other end is fixedly provided with the brake component 6. A telescopic drive 22 is also provided on the side of the brake link 5, and a plurality of anti-slip protrusions for increasing friction resistance are provided on the surface of the brake component 6; the brake component 6 can be moved downward to the ground by extending the telescopic drive 22 to play a braking role, which is more convenient to use.

[0032] Example 3

[0033] On the basis of Example 1, an anti-blocking structure is also provided in the grouting hole, and the anti-blocking structure includes a compression spring 24, a sealing plug 25 and a sealing ring plate 26. The sealing ring plate 26 is fixedly provided in the grouting hole, and the sealing plug 25 is provided on the side of the sealing ring plate 26 close to the outer side of the grouting pipe body 19, and the side of the sealing plug 25 away from the sealing ring plate 26 is fixedly connected with a compression spring 24, and a rubber hose for protection is provided outside the compression spring 24; the sealing plug 25 is made to fit the sealing ring plate 26 through the compression spring 24, so that dust and debris can be prevented from flowing back into the grouting pipe body 19 or blocking the grouting hole when the rotary drilling is carried out, and the sealing plug 25 can be pushed open to connect the grouting when the elastic force of the compression spring 24 is overcome.

[0034] It should be noted that although this specification is described in accordance with the implementation methods, not every implementation method contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art. The above-mentioned embodiments only express the preferred implementation methods of the technical solution. The description is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the technical solution. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present invention, several variations, improvements and substitutions can be made, which all belong to the protection scope of the technical solution.

Claims

1. A grouting device for tunnel construction, comprising a mounting frame (3), a moving mechanism (1) for movement is arranged below the mounting frame (3), a material storage box (9), a mixing mechanism and a grouting mechanism are arranged on the mounting frame, a conveying conduit (8) for connecting the mixing mechanism and the grouting mechanism is arranged between the mixing mechanism and the grouting mechanism, a vertical hoist (21) is arranged in the material storage box (9), and the outlet end of the vertical hoist (21) is located at the feeding end of the mixing mechanism, characterized in that: The grouting mechanism comprises a connecting shell (17), a driving shaft (18) and a grouting pipe body (19); both ends of the connecting shell (17) are rotatably arranged on the upper ends of fixed pillars (20); the fixed pillars (20) are fixedly connected to the mounting base (3); a driving shaft (18) with a hollow structure is rotatably arranged in the connecting shell (17); a through hole for connecting the two is opened at a position of the driving shaft (18) in the connecting shell (17); and the grouting pipe body (19) is provided with a plurality of holes for connecting the two. ) is slidably sleeved on the driving shaft (18) and the two are non-circularly coupled, the outer side of the grouting pipe body (19) is provided with a spiral structure and the end thereof away from the connecting shell (17) is provided with a drilling probe (23), the grouting pipe body (19) is also provided with at least one grouting hole, the lower side of the connecting shell (17) is also provided with a telescopic drive (22) for driving through a rotating connecting seat, and is also provided with an adjusting motor (16) for driving the driving shaft (18) to rotate; An anti-blocking structure is also provided in the grouting hole, and the anti-blocking structure comprises a compression spring (24), a sealing plug (25) and a sealing ring plate (26); a sealing ring plate (26) is fixedly provided in the grouting hole; a sealing plug (25) is provided on a side of the sealing ring plate (26) close to the outside of the grouting pipe body (19); a compression spring (24) is fixedly connected to a side of the sealing plug (25) away from the sealing ring plate (26); and a rubber hose for protection is provided outside the compression spring (24); The grouting device for tunnel construction is also provided with a brake assembly, which comprises a second rotating connection seat (4), a brake link (5) and a brake component (6). One end of the brake link (5) is rotatably connected to the lower surface of the mounting base (3) through the second rotating connection seat (4), and the other end is fixedly provided with the brake component (6). The side of the brake link (5) is also provided with a telescopic drive, and the surface of the brake component (6) is provided with a plurality of anti-skid protrusions for increasing friction resistance.

2. The grouting device for tunnel construction according to claim 1, characterized in that: The driving shaft (18) and the grouting pipe body (19) are matched in shape to be a quadrilateral or a regular hexagon.

3. The grouting device for tunnel construction according to claim 2, characterized in that: The telescopic drive (22) is a hydraulic telescopic mechanism.

4. The grouting device for tunnel construction according to claim 3, characterized in that: The upper and lower sides of the mounting base (3) are both provided with side shielding plates (2).

5. The grouting device for tunnel construction according to claim 4, characterized in that: The mixing mechanism comprises a stirring motor (11), a stirring box (12) and stirring blades (13); the stirring box (12) is fixedly arranged and has a feeding funnel (10) arranged thereon; the stirring motor (11) is fixedly connected to the stirring box (12) and is drivingly connected to a stirring shaft (7) extending into the stirring box (12); a plurality of inclined stirring blades (13) are fixedly connected to the side of the stirring shaft (7).

6. The grouting device for tunnel construction according to claim 5, characterized in that: The lower end of the mixing box (12) is arranged in an arc shape, and a cleaning drain pipe (14) is arranged at the lower end thereof, and a control switch is arranged on the cleaning drain pipe (14).

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