Secondary grouting device based on shield construction

Abstract

The utility model relates to the technical field of shield construction, in particular to a secondary grouting device based on shield construction, a stirring mechanism comprises a stirring barrel, a feeding port, a rotating shaft, stirring blades, a heating pipe and a generator, the stirring barrel is arranged at the top of a bottom plate, one end of a grouting pipe is connected with the stirring barrel, and the other end of the grouting pipe is connected with the generator. The feeding port is formed in the top of the stirring barrel and connected with the stirring barrel, a round hole is formed in the surface of the end of the stirring barrel, the rotating shaft penetrates through the round hole and is fixedly connected with the rotating motor, the stirring blades are fixedly arranged on the peripheral side of the rotating shaft, the heating pipe is arranged on the inner wall of the stirring barrel, and the generator is arranged on the top of the stirring barrel. The heating pipe is electrically connected with the generator. When the device works, the generator is started, the heating pipe is heated, slurry rotates in the stirring barrel through the rotating shaft and the stirring blades, the slurry is fully heated and cannot be solidified, the pipe blocking phenomenon cannot occur, the working efficiency is improved, and the problems existing in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shield construction technical field more specifically, especially a kind of secondary grouting device based on shield construction. BACKGROUND

[0002] In shield construction, synchronous grouting is used to fill the building gap between the excavation diameter and the outer diameter of segment, due to the structural design features of grouting pipeline, mortar solidification shrinkage and other reasons, the mortar of synchronous grouting will form a gap in the excavation space after solidification, in addition, the bottom layer is disturbed when shield tunneling, the bottom layer will settle before, in, after shield passing, especially in water-rich sand and gravel bottom layer, ground subsidence is too large, which seriously endangers the safety of ground pipeline and important buildings, in order to effectively control ground subsidence and ensure the safety of shield construction, secondary grouting is often needed for shield construction.

[0003] Chinese utility model publication CN201920602929.X discloses a kind of secondary grouting device based on shield construction, belong to shield construction technical field, including water gun drill, lengthening pipe, check valve and grouting mechanism, water gun drill is used to drill the grouting hole of segment, including drill gun and the water drill bit connected with the output end of drill gun;Lengthening pipe one end is connected with water drill bit, the other end is movably connected with the output end of drill gun;Check valve is located at the connection of water drill bit and lengthening pipe, for preventing slurry backflow;Grouting mechanism is movably connected with lengthening pipe, for grouting slurry.The secondary grouting device based on shield construction provided by the utility model is installed with check valve between water drill bit and lengthening pipe, when water drill gun drills grouting hole or hoisting hole on segment, check valve can prevent slurry leakage in the gap between the outer diameter of segment and the excavation diameter, and check valve will not affect water filling into water drill bit, but during device work, due to slurry condensation, pipe blocking phenomenon often occurs, which affects work efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a secondary grouting device based on shield construction that can solve the above problems.

[0005] The utility model provides a kind of based on shield construction's secondary grouting device, including bottom plate, stirring mechanism, grouting pipe, spiral nozzle, rotating electrical machine and wheel, stirring mechanism is set at the top of bottom plate, rotating electrical machine is set at the top of bottom plate, wheel is set at the bottom of bottom plate, stirring mechanism includes stirring barrel, feed inlet, shaft, stirring blade, heating pipe and generator, stirring barrel is set at the top of bottom plate, grouting pipe one end is connected with stirring barrel, grouting pipe other end is connected with spiral nozzle, feed inlet is set at the top of stirring barrel, and is connected with stirring barrel, the surface of stirring barrel end portion is opened round hole, shaft is fixedly connected with rotating electrical machine and passes through round hole, stirring blade is fixedly set at the periphery of shaft, heating pipe is set in the inner wall of stirring barrel, generator is set at the top of stirring barrel, heating pipe is electrically connected with generator.

[0006] Further, the first storage rack is fixedly arranged on the top of the bottom plate, and the stirring barrel is horizontally fixedly arranged on the top of the first storage rack.

[0007] Further, the variable-diameter connector is arranged on the surface of the end portion of the stirring barrel and fixedly connected with one end of the grouting pipe.

[0008] Further, the second storage rack is arranged on the top of the bottom plate, and the rotating electrical machine is fixedly arranged on the surface of the second storage rack.

[0009] Further, the second bolt is arranged on the bottom of the second storage rack and fixedly arranged on the second connecting plate, and the second connecting plate is connected with the bottom plate through the second bolt.

[0010] Further, the connecting column is fixedly arranged on the end portion of the shaft and fixedly connected with the output end of the rotating electrical machine.

[0011] Further, the mounting box is fixedly arranged on the inner wall of the stirring barrel, the through hole is arranged on the mounting box, and the heating pipe is inserted into the through hole.

[0012] Further, the first bolt is arranged on the side surface of the mounting box and fixedly arranged on the first connecting plate, and the first connecting plate is connected with the inner wall of the stirring barrel through the first bolt.

[0013] Further, the hydraulic cylinder and the third bolt are arranged, the third connecting plate is fixedly arranged on the top of the hydraulic cylinder, the third connecting plate is fixedly connected with the top of the bottom plate through the third bolt, and the bottom of the hydraulic cylinder is fixedly connected with the wheel.

[0014] Further, the push plate is fixedly arranged on the side surface of the bottom plate, and the handrail is fixedly arranged on the top of the push plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. Compared with the prior art, the secondary grouting device based on shield construction of the utility model has the advantages that the secondary grouting device based on shield construction of the utility model is provided with a stirring mechanism, the stirring mechanism comprises a stirring barrel, a feeding port, a rotating shaft, stirring blades, a heating pipe and a generator, the stirring barrel is arranged on the top of the bottom plate, one end of the grouting pipe is connected with the stirring barrel, the other end of the grouting pipe is connected with the spiral nozzle, the feeding port is arranged on the top of the stirring barrel and connected with the stirring barrel, a circular hole is arranged on the end surface of the stirring barrel, the rotating shaft penetrates through the circular hole and is fixedly connected with the rotating motor, the stirring blades are fixedly arranged on the circumferential side of the rotating shaft, the heating pipe is arranged on the inner wall of the stirring barrel, the generator is arranged on the top of the stirring barrel, the heating pipe is electrically connected with the generator, the generator is started when the device works, the heating pipe is heated, the grout is rotated in the stirring barrel through the rotating shaft and the stirring blades, the grout is fully heated, the grout does not solidify and the pipe is not blocked, and the working efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the utility model, constitute a part of the specification and are used to explain the utility model together with embodiments of the utility model and do not constitute a limitation on the utility model. In the drawings:

[0018] Figure 1 It is a front structure schematic view of the secondary grouting device based on shield construction in the utility model.

[0019] Figure 2 It is a side structure schematic view of the secondary grouting device based on shield construction in the utility model.

[0020] Figure 3 It is an overall structure schematic view of the stirring mechanism in the utility model.

[0021] Figure 4 It is a partial structure schematic view of the stirring mechanism in the utility model.

[0022] In the drawings: 1, bottom plate; 2, stirring mechanism; 201, stirring barrel; 202, feeding port; 203, rotating shaft; 204, stirring blade; 205, heating pipe; 206, mounting box; 207, generator; 208, through hole; 209, first connecting plate; 210, first bolt; 3, reducing joint; 4, grouting pipe; 5, spiral nozzle; 6, first storage rack; 7, second connecting plate; 8, second bolt; 9, second storage rack; 10, rotating motor; 11, connecting column; 12, hydraulic cylinder; 13, wheel; 14, third connecting plate; 15, third bolt; 16, push plate; 17, handrail. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0024] As shown in Figure 1 , 2 shown, the secondary grouting device based on shield construction in the embodiment includes a bottom plate 1, a stirring mechanism 2, a grouting pipe 4, a spiral nozzle 5, a rotating motor 10 and a wheel 13, the stirring mechanism 2 is arranged at the top of the bottom plate 1, a second shelf 9 is arranged at the top of the bottom plate 1, the rotating motor 10 is welded on the surface of the second shelf 9, a second connecting plate 7 is welded at the bottom of the second shelf 9, the second connecting plate 7 is connected with the bottom plate 1 through a second bolt 8, a third connecting plate 14 is welded at the top of the hydraulic cylinder 12, the third connecting plate 14 is connected with the top of the bottom plate 1 through a third bolt 15, the bottom of the hydraulic cylinder 12 is welded with the wheel 13, a push plate 16 is welded and arranged obliquely on the side surface of the bottom plate 1, and a handrail 17 is welded on the top of the push plate 16.

[0025] In the present utility model, as shown in Figure 3 , 4 shown, the stirring mechanism 2 includes a stirring barrel 201, a feeding port 202, a rotating shaft 203, stirring blades 204, a heating pipe 205 and a generator 207, the stirring barrel 201 is arranged at the top of the bottom plate 1, a first shelf 6 is welded at the top of the bottom plate 1, the stirring barrel 201 is horizontally welded at the top of the first shelf 6, one end of the grouting pipe 4 is connected with the stirring barrel 201, a reducing joint 3 is fixedly connected with the other end of the grouting pipe 4 on the surface of the end of the stirring barrel 201, the other end of the grouting pipe 4 is connected with the spiral nozzle 5, the feeding port 202 is arranged at the top of the stirring barrel 201 and communicates with the stirring barrel 201, a round hole is formed on the surface of the end of the stirring barrel 201, the rotating shaft 203 penetrates through the round hole and is connected with the rotating motor 10, a connecting column 11 is welded at the end of the rotating shaft 203, and the connecting column 11 is welded with the output end of the rotating motor 10. The stirring blades 204 are welded on the circumferential side of the rotating shaft 203,

[0026] In the present utility model, as shown in Figure 4As shown, the heating pipe 205 is arranged on the inner wall of the stirring barrel 201, the mounting box 206 is welded on the inner wall of the stirring barrel 201, the first connecting plate 209 is welded on the side of the mounting box 206, the first connecting plate 209 is connected with the inner wall of the stirring barrel 201 through the first bolt 210, the through hole 208 is formed on the mounting box 206, the heating pipe 205 is inserted into the through hole 208, and the generator 207 is welded on the top of the stirring barrel 201, and the heating pipe 205 is electrically connected with the generator 207.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A secondary grouting device based on shield tunneling construction, characterized in that: The system includes a base plate (1), a mixing mechanism (2), a grouting pipe (4), a spiral nozzle (5), a rotary motor (10), and wheels (13). The mixing mechanism (2) is located on the top of the base plate (1), the rotary motor (10) is located on the top of the base plate (1), and the wheels (13) are located at the bottom of the base plate (1). The mixing mechanism (2) includes a mixing tank (201), a feed inlet (202), a rotating shaft (203), mixing blades (204), a heating pipe (205), and a generator (207). The mixing tank (201) is located on the top of the base plate (1), and one end of the grouting pipe (4) is connected to the mixing tank (201). 01) Connection, the other end of the grouting pipe (4) is connected to the spiral nozzle (5), the feed port (202) is set at the top of the mixing tank (201) and connected to the mixing tank (201), a round hole is opened on the end surface of the mixing tank (201), the rotating shaft (203) passes through the round hole and is fixedly connected to the rotary motor (10), the stirring blade (204) is fixedly set on the periphery of the rotating shaft (203), the heating pipe (205) is set on the inner wall of the mixing tank (201), the generator (207) is set at the top of the mixing tank (201), and the heating pipe (205) is electrically connected to the generator (207).

2. The secondary grouting device based on shield tunneling construction according to claim 1, characterized in that: The bottom plate (1) is fixedly provided with a first shelf (6) on the top, and the mixing tank (201) is horizontally fixedly provided on the top of the first shelf (6).

3. The secondary grouting device based on shield tunneling construction according to claim 2, characterized in that: It also includes a reducing connector (3), which is fixedly connected to one end of the grouting pipe (4) on the end surface of the mixing tank (201).

4. A secondary grouting device based on shield tunneling construction according to claim 3, characterized in that: It also includes a second shelf (9), which is disposed on the top of the base plate (1), and the rotary motor (10) is fixedly disposed on the surface of the second shelf (9).

5. A secondary grouting device based on shield tunneling construction according to claim 4, characterized in that: It also includes a second bolt (8), and a second connecting plate (7) is fixedly installed at the bottom of the second shelf (9). The second connecting plate (7) is connected to the base plate (1) by the second bolt (8).

6. A secondary grouting device based on shield tunneling construction according to claim 5, characterized in that: A connecting post (11) is fixedly provided at the end of the rotating shaft (203), and the connecting post (11) is fixedly connected to the output end of the rotary motor (10).

7. A secondary grouting device based on shield tunneling construction according to claim 6, characterized in that: It also includes an installation box (206), which is fixedly installed on the inner wall of the mixing tank (201). The installation box (206) has a through hole (208), and the heating tube (205) is inserted into the through hole (208).

8. A secondary grouting device based on shield tunneling construction according to claim 7, characterized in that: It also includes a first bolt (210), and a first connecting plate (209) is fixedly provided on the side of the mounting box (206). The first connecting plate (209) is connected to the inner wall of the mixing tank (201) by the first bolt (210).

9. A secondary grouting device based on shield tunneling construction according to claim 8, characterized in that: It also includes a hydraulic cylinder (12) and a third bolt (15). A third connecting plate (14) is fixedly installed on the top of the hydraulic cylinder (12). The third connecting plate (14) is fixedly connected to the top of the base plate (1) by the third bolt (15). The bottom of the hydraulic cylinder (12) is fixedly connected to the wheel (13).

10. A secondary grouting device based on shield tunneling construction according to claim 9, characterized in that: It also includes a push plate (16), which is fixedly disposed on the side of the base plate (1), and a handrail (17) is fixedly disposed on the top of the push plate (16).

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