Waterproof grouting device for shield tunnel water-rich layer tunneling

Abstract

The utility model provides a waterproof grouting device for shield tunnel water-rich layer tunneling, and relates to the field of shield wall back grouting. The waterproof grouting device for shield tunnel water-rich layer tunneling comprises a movable carriage, a water storage tank and a slurry storage tank are arranged in the movable carriage, a water pumping mechanism and a grouting mechanism are arranged in the middle of the movable carriage, and the water pumping mechanism comprises a water pumping pipe and a filtering box; the grouting mechanism comprises a feeding port and a grouting pipe which are fixedly communicated with the grout storage box. According to the waterproof grouting device for shield tunnel water-rich layer tunneling, pumped accumulated water is stored through a water storage tank, mud mortar is stored through a mortar storage tank, the accumulated water permeating between pipe piece walls is pumped out through a water pumping pipe, the accumulated water is filtered through a filtering box, raw materials are conveniently added through a feeding port, and the raw materials are stirred through a stirring shaft; and the slurry in the slurry storage box is stirred, and the mud and sand slurry is conveyed into the pipeline wall through the grouting pipe to conduct grouting operation on the tunnel.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shield wall post grouting device, in particular to a waterproof grouting device for shield tunnel water-rich layer tunneling belongs to shield wall post grouting technical field. BACKGROUND

[0002] Shield wall post grouting: mainly after shield segment assembly, there is a certain gap between the pipe piece and the soil, the gap can be filled by post-wall grouting, which can prevent pipe piece and soil settlement, especially when the tunnel passes through water-rich quicksand layer or passes through groundwater-rich, high seepage pressure alluvial layer geology, domestic tunnel water stop technology mainly adopts post-wall grouting water stop method.

[0003] The utility model discloses a kind of shield tunnel segment wall post grouting devices, grouting assembly, the grouting assembly is used to transport and pour mortar, pressure feedback device is provided in the grouting assembly, the pressure feedback device is used to detect the completion degree of grouting, the grouting assembly further includes anti-blocking part, it is solved that the device in the prior art in the process of using, because the grouting pipe is inserted, it is easy to cause soil to grouting hole to cause blockage, affect the progress of grouting.

[0004] When tunneling, in order to support and fix the segment wall, grouting filling will be carried out on the gap, the grouting device in the above patent improves the grouting efficiency, in the area where groundwater is rich, more water will penetrate between the segment walls, and the excess water will not be completely discharged, which will affect the performance of the mortar and reduce the grouting effect. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] The utility model aims at solving the above problems and provides a waterproof grouting device for shield tunnel water-rich layer tunneling to solve the problem of water seepage between the segment walls in the comparative document.

[0007] (II) technical scheme

[0008] The utility model is implemented by the following technical scheme: a waterproof grouting device for shield tunnel water-rich layer tunneling.

[0009] The mobile car includes a water storage tank and a slurry storage tank, and the surface of the mobile car is fixedly connected with two groups of observation windows.

[0010] Preferably, one end of the water suction pipe is fixedly communicated with a water suction pump, the water suction pump is installed on the surface of the mobile car, and the output end of the water suction pump is fixedly communicated with the water storage tank.

[0011] Preferably, the surface of the mobile car is fixedly connected with a first fixing frame, the water suction pipe is wound on the surface of the first fixing frame, and the surface of the water suction pipe is clamped in the clamping groove of the first fixing frame.

[0012] Preferably, the inside of the water storage tank is fixedly connected with a supporting slide rod, the supporting slide rod is slidably connected with the filter box, the inside of the filter box is placed with a purification block, and the bottom end of the water storage tank is fixedly communicated with a drain pipe.

[0013] Preferably, one end of the slurry injection pipe is fixedly communicated with a slurry injection pump, the slurry injection pump is installed on the surface of the mobile car, and the input end of the slurry injection pump is fixedly communicated with the slurry storage tank.

[0014] Preferably, the surface of the mobile car is fixedly connected with a second fixing frame for positioning the slurry injection pipe, and the surface of the mobile car is fixedly connected with an electric motor, and the output end of the electric motor is fixedly connected with the stirring shaft.

[0015] Preferably, the surface of the stirring shaft is fixedly connected with a stirring rod, the bottom end of the stirring shaft is fixedly connected with a stirring blade, the inside of the slurry storage tank is fixedly connected with a fixed sleeve, and the bottom end of the stirring shaft is rotatably connected with the fixed sleeve.

[0016] The waterproof slurry injection device for shield tunnel water-rich layer tunneling has the following beneficial effects:

[0017] 1. The waterproof grouting device for shield tunnel water-rich layer tunneling, through the water storage tank, the accumulated water is stored, the accumulated water is avoided to flow randomly, through the slurry storage tank, the slurry is stored, the grouting operation is facilitated to the tunnel segment wall, through the two observation windows, the internal conditions of the water storage tank and the slurry storage tank are observed, through the water pump, the accumulated water is extracted, and the extracted accumulated water is transported to the water storage tank, through the first fixing frame, the water pump is wound, when the device moves, the water pump is avoided to be scattered, and when the water pump is extracted, through the clamping groove, the water pump is fixed, the unused water pump is avoided to be scattered and knotted, the stability of the water pump extracting the accumulated water is improved, through the supporting slide rod, the filter box is fixed and supported, and the stability of the filter box operation is improved.

[0018] 2. The waterproof grouting device for shield tunnel water-rich layer tunneling, through the water pump, the water pump generates suction, the accumulated water is extracted, and the extracted accumulated water is transported to the water storage tank, through the first fixing frame, the water pump is wound, when the device moves, the water pump is avoided to be scattered, and when the water pump is extracted, through the clamping groove, the water pump is fixed, the unused water pump is avoided to be scattered and knotted, the stability of the water pump extracting the accumulated water is improved, through the supporting slide rod, the filter box is fixed and supported, and the stability of the filter box operation is improved.

[0019] 3. The waterproof grouting device for shield tunnel water-rich layer tunneling, through the purification block, the extracted accumulated water is filtered, the liquid in the water storage tank is more pure, the secondary utilization of water resources is facilitated, through the grouting pump, the slurry liquid in the slurry storage tank is extracted, and the tunnel wall is grouted through the grouting pipe, through the second fixing frame, the grouting pipe is fixed, the stability of the grouting pipe is improved, through the motor, the stirring shaft is rotated, through the stirring shaft, the stirring rod and the stirring blade are rotated, the slurry liquid in the slurry storage tank is stirred, the efficiency of slurry processing is improved, through the fixed sleeve pipe, the bottom of the stirring shaft is fixed, and the stability of the stirring shaft rotation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the sectional structure schematic diagram of the utility model mobile carriage;

[0022] Figure 3 It is the filter box structure schematic diagram of the utility model;

[0023] Figure 4 It is the stirring shaft structure schematic diagram of the utility model.

[0024] MAIN COMPONENT SYMBOL EXPLANATION

[0025] 1, mobile carriage;2, water storage tank;3, slurry storage tank;4, observation window;

[0026] 5, pumping mechanism; 501, pumping pipe; 502, pumping pump; 503, first fixed frame; 504, filter box; 505, purification block; 506, support slide rod; 507, drain pipe;

[0027] 6, grouting mechanism; 601, feed inlet; 602, grouting pipe; 603, grouting pump; 604, second fixed frame; 605, motor; 606, stirring shaft; 607, fixed sleeve; 608, stirring rod; 609, stirring blade. DETAILED DESCRIPTION

[0028] The utility model embodiment provides a waterproof grouting device for shield tunnel water-rich layer tunneling.

[0029] Please refer to Figure 1 and Figure 2 , the inside of mobile car 1 is provided with water storage tank 2 and grout storage tank 3, and the surface of mobile car 1 is fixedly connected with two groups of observation windows 4, the extracted accumulated water is stored through water storage tank 2, the secondary use of accumulated water is convenient, the random flow of accumulated water is avoided, the tunnel waterproof capacity is improved, the slurry of mud and sand is stored through grout storage tank 3, the grouting operation of tunnel segment wall is convenient, the grouting efficiency is improved, the inside condition of water storage tank 2 and grout storage tank 3 is observed through two groups of observation windows 4, and the stability of device operation is improved.

[0030] Please refer to Figure 1 , Figure 2 and Figure 3 , the middle part of mobile car 1 is provided with pumping mechanism 5 and grouting mechanism 6, pumping mechanism 5 includes pumping pipe 501 and filter box 504, and filter box 504 is connected with water storage tank 2, the accumulated water seeping between segment wall is extracted through pumping pipe 501, the effect of tunnel grouting is improved, the extracted accumulated water is filtered through filter box 504, and the secondary use effect of water resources is improved.

[0031] One end of pumping pipe 501 is fixedly connected with pumping pump 502, pumping pump 502 is installed on the surface of mobile car 1, and the output end of pumping pump 502 is fixedly connected with water storage tank 2, pumping pump 502 generates suction on pumping pipe 501, extracts accumulated water, and transports the extracted accumulated water to the inside of water storage tank 2.

[0032] The surface of the mobile carriage 1 is fixedly connected with a first fixing frame 503, the water suction pipe 501 is wound on the surface of the first fixing frame 503, and the surface of the water suction pipe 501 is clamped in the clamping groove of the first fixing frame 503. Through the first fixing frame 503, the water suction pipe 501 is wound, so that the water suction pipe 501 is prevented from being scattered during movement of the device. When the water suction pipe 501 is extracted, the water suction pipe 501 is fixed through the clamping groove, so that the unused water suction pipe 501 is prevented from being scattered and knotted, and the stability of the water suction pipe 501 in extracting accumulated water is improved.

[0033] The inside of the water storage tank 2 is fixedly connected with a supporting slide rod 506, and the supporting slide rod 506 is slidably connected with the filter box 504. The inside of the filter box 504 is provided with a purification block 505. The bottom end of the water storage tank 2 is fixedly communicated with a drain pipe 507. The filter box 504 is fixed and supported by the supporting slide rod 506, so that the stability of the operation of the filter box 504 is improved. The extracted accumulated water is filtered by the purification block 505, so that the liquid in the inside of the water storage tank 2 is more pure, and the secondary use of water resources is facilitated.

[0034] Please refer to Figure 1 , Figure 2 and Figure 4 again, the grouting mechanism 6 comprises a feeding port 601 and a grouting pipe 602 fixedly communicated with the slurry storage tank 3. The inside of the slurry storage tank 3 is rotatably connected with a stirring shaft 606. The inside of the slurry storage tank 3 is facilitated to add raw materials through the feeding port 601. The slurry in the inside of the slurry storage tank 3 is stirred by the stirring shaft 606, so that the stability of the whole slurry is improved. The mud slurry is delivered to the inside of the pipe wall by the grouting pipe 602, so that the tunnel is grouted.

[0035] One end of the grouting pipe 602 is fixedly communicated with a grouting pump 603. The grouting pump 603 is installed on the surface of the mobile carriage 1, and the input end of the grouting pump 603 is fixedly communicated with the slurry storage tank 3. The mud slurry in the inside of the slurry storage tank 3 is extracted by the grouting pump 603, and the tunnel pipe wall is grouted by the grouting pipe 602.

[0036] The surface of the mobile carriage 1 is fixedly connected with a second fixing frame 604 for positioning the grouting pipe 602. The surface of the mobile carriage 1 is fixedly connected with an electric motor 605, and the output end of the electric motor 605 is fixedly connected with the stirring shaft 606. The grouting pipe 602 is fixed by the second fixing frame 604, so that the stability of the grouting pipe 602 is improved. The stirring shaft 606 is driven to rotate by the electric motor 605.

[0037] The surface of the stirring shaft 606 is fixedly connected with a stirring rod 608, the bottom end of the stirring shaft 606 is fixedly connected with a stirring blade 609, the inside of the slurry storage tank 3 is fixedly connected with a fixed sleeve 607, and the bottom end of the stirring shaft 606 is rotatably connected with the fixed sleeve 607, the stirring shaft 606 drives the stirring rod 608 and the stirring blade 609 to rotate, the slurry in the slurry storage tank 3 is stirred, the efficiency of slurry processing is improved, and the bottom of the stirring shaft 606 is fixed through the fixed sleeve 607, and the stability of the rotation of the stirring shaft 606 is improved.

[0038] The water pump 502, the grouting pump 603 and the motor 605 are prior art, and the detailed parameters and models thereof will not be described in detail.

[0039] In use, the water suction pipe 501 is placed in the grouting hole, the water suction pipe 501 generates suction force through the water pump 502, accumulated water is pumped out, and the pumped accumulated water is transported into the water storage tank 2, the pumped accumulated water is filtered through the purification block 505, secondary use of water resources is facilitated, after the accumulated water is pumped out, the grouting pipe 602 is placed in the grouting hole, the slurry in the slurry storage tank 3 is pumped out through the grouting pump 603, and the tunnel wall is grouted through the grouting pipe 602, the inside of the water storage tank 2 and the slurry storage tank 3 is observed through the two observation windows 4, after the slurry in the slurry storage tank 3 is used up, raw materials are added into the slurry storage tank 3 through the feeding port 601, the stirring shaft 606 is controlled to rotate through the motor 605, the stirring rod 608 and the stirring blade 609 are driven to rotate, the slurry in the slurry storage tank 3 is stirred, the efficiency of slurry processing is improved, and the above device reduces water-rich layer tunnel accumulated water leakage and improves tunnel grouting construction efficiency and effect.

[0040] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A waterproof grouting device for shield tunnel water-rich layer tunneling, comprising a mobile carriage (1), characterized in that: The inside of the mobile carriage (1) is provided with a water storage tank (2) and a slurry storage tank (3), the surface of the mobile carriage (1) is fixedly connected with two groups of observation windows (4), the middle part of the mobile carriage (1) is provided with a water pumping mechanism (5) and a grouting mechanism (6), the water pumping mechanism (5) comprises a water pumping pipe (501) and a filter box (504), and the filter box (504) is connected with the water storage tank (2) in a clamped manner, the grouting mechanism (6) comprises a feeding port (601) and a grouting pipe (602) fixedly communicated with the slurry storage tank (3), and the inside of the slurry storage tank (3) is rotatably connected with a stirring shaft (606).

2. The waterproof grouting device for water-rich layer tunneling of a shield tunnel according to claim 1, characterized in that: One end of the water pumping pipe (501) is fixedly communicated with a water pump (502), and the water pump (502) is installed on the surface of the mobile carriage (1), and the output end of the water pump (502) is fixedly communicated with the water storage tank (2).

3. The waterproof grouting device for water-rich layer tunneling of a shield tunnel according to claim 1, characterized in that: The surface of the mobile carriage (1) is fixedly connected with a first fixing frame (503), the water pumping pipe (501) is wound on the surface of the first fixing frame (503), and the surface of the water pumping pipe (501) is clamped with the clamping groove of the first fixing frame (503).

4. The waterproof grouting device for water-rich layer tunneling of a shield tunnel according to claim 1, characterized in that: The inside of the water storage tank (2) is fixedly connected with a supporting slide rod (506), and the supporting slide rod (506) is slidably connected with the filter box (504), the inside of the filter box (504) is placed with a purification block (505), and the bottom end of the water storage tank (2) is fixedly communicated with a drain pipe (507).

5. The waterproof grouting device for water-rich layer tunneling of a shield tunnel according to claim 1, characterized in that: One end of the grouting pipe (602) is fixedly communicated with a grouting pump (603), and the grouting pump (603) is installed on the surface of the mobile carriage (1), and the input end of the grouting pump (603) is fixedly communicated with the slurry storage tank (3).

6. The waterproof grouting device for water-rich layer tunneling of a shield tunnel according to claim 1, characterized in that: The surface of the mobile carriage (1) is fixedly connected with a second fixing frame (604) for positioning the grouting pipe (602), and the surface of the mobile carriage (1) is fixedly connected with an electric motor (605), and the output end of the electric motor (605) is fixedly connected with the stirring shaft (606).

7. The waterproof grouting device for water-rich layer tunneling of a shield tunnel according to claim 1, characterized in that: The surface of the stirring shaft (606) is fixedly connected with a stirring rod (608), the bottom end of the stirring shaft (606) is fixedly connected with a stirring blade (609), the inside of the slurry storage tank (3) is fixedly connected with a fixed sleeve (607), and the bottom end of the stirring shaft (606) is rotatably connected with the fixed sleeve (607).

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