Y-shaped sleeve combined grouting device

Abstract

The utility model discloses a Y-shaped sleeve combined grouting device which comprises a cement grouting pump, a chemical grouting pump and a Y-shaped sleeve. The cement grouting pump and the chemical grouting pump are installed at two feeding ports in the upper end of the Y-shaped sleeve respectively and used for controlling cement grouting and chemical grouting, the lower portion of the Y-shaped sleeve is a straight barrel, and a discharging port in the lower end of the straight barrel is sequentially connected with a plurality of straight sleeves. The Y-shaped sleeve is adopted for combined grouting, it can be well guaranteed that grout is not solidified under the special conditions of power failure and the like, and therefore the sleeve is blocked, meanwhile, the advantages of cement grouting and chemical grouting can be fully played, the overall performance of a grouting system is improved, and the better reinforcing effect is achieved; the method has the advantages of safety, reliability, simple operation and good effect.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering geology, in particular to a Y-shaped casing combined grouting device. Background Art

[0002] As the mining depth of mineral resources in my country continues to increase, most rock masses are in a water-mechanical coupling state. The sudden influx of a large amount of water during shaft excavation is called water inrush. Water inrush is one of the common geological disasters in shaft engineering, which usually poses a great threat to the excavation work and the safety of workers. In order to avoid water inrush or water inrush during shaft excavation construction, water stopping treatment before shaft excavation construction is required.

[0003] The existing grouting devices can basically only perform a single type of grouting and are unable to effectively combine multiple grouting methods to give full play to the advantages of multiple grouting methods. In addition, under special conditions such as power outages, traditional grouting devices may solidify during the grouting process, which can easily cause pipeline blockage, thereby affecting the construction progress and resulting in a decline in economic benefits. Summary of the invention

[0004] In order to solve the above technical problems, the utility model provides a Y-shaped casing combined grouting device which has a simple structure and is easy to operate.

[0005] The utility model provides a technical solution to the above problems: a Y-shaped casing combined grouting device, comprising a cement grouting pump, a chemical grouting pump, and a Y-shaped casing; the cement grouting pump and the chemical grouting pump are respectively installed at two feed inlets at the upper end of the Y-shaped casing, and are used to control cement grouting and chemical grouting; the lower part of the Y-shaped casing is a straight cylinder, and the discharge port at the lower end of the straight cylinder is sequentially connected to a plurality of straight casings.

[0006] The above-mentioned Y-shaped sleeve combined grouting device, a first stirring device is provided in the Y-shaped sleeve, the motor is fixedly arranged above the Y-shaped sleeve, the first stirring device includes a first transmission rod, a first connecting rod and a first threaded blade, the first transmission rod is vertically arranged at the center position inside the straight cylinder, the upper end of the first transmission rod passes through the Y-shaped sleeve and is fixedly connected to the output shaft of the motor, a plurality of first connecting rods are arranged on the first transmission rod in sequence from top to bottom, and the first threaded blade is fixed on the first connecting rod.

[0007] The above-mentioned Y-shaped sleeve combined grouting device has a first bearing provided at the discharge port at the lower end of the straight cylinder, the outer ring of the first bearing is fixedly connected to the inner wall of the straight cylinder through a plurality of first connecting rods, and the lower end of the first transmission rod passes through the inner ring of the first bearing.

[0008] In the above-mentioned Y-shaped sleeve combined grouting device, the first threaded blade is composed of two spiral first blades surrounding the first transmission rod.

[0009] In the above-mentioned Y-shaped sleeve combined grouting device, the first blade of the first threaded blade is connected to the first connecting rod by welding.

[0010] The above-mentioned Y-shaped sleeve combined grouting device has a second stirring device in each straight sleeve, and the second stirring device includes a second transmission rod, a second connecting rod and a second threaded blade. The second transmission rod is vertically arranged at the center position inside the straight sleeve, and the upper end of each second transmission rod is fixedly connected to the lower end of the first transmission rod or the second transmission rod in the previous straight sleeve through a coupling. A plurality of second connecting rods are arranged in sequence from top to bottom on each second transmission rod, and the second threaded blade is fixed on the second connecting rod.

[0011] In the above-mentioned Y-shaped sleeve combined grouting device, the second threaded blade is composed of two spiral second blades surrounding the second transmission rod.

[0012] In the above-mentioned Y-shaped sleeve combined grouting device, a second bearing is provided at the outlet of the lower end of each straight sleeve, the outer ring of the second bearing is fixedly connected to the inner wall of the straight sleeve through a plurality of second connecting rods, and the lower end of the second transmission rod passes through the inner ring of the second bearing.

[0013] The Y-shaped casing combined grouting device is characterized in that threaded connection is adopted between the Y-shaped casing and the straight casing, and between adjacent straight casings.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model adopts Y-shaped casing for joint grouting, which can well ensure that the slurry does not solidify in special circumstances such as power outages, thereby blocking the casing. At the same time, it can give full play to the advantages of cement grouting and chemical grouting, improve the overall performance of the grouting system, achieve better reinforcement effect, and has the advantages of safety, reliability, easy operation and good effect.

[0016] 2. The utility model connects several straight casings in sequence at the lower end of the Y-shaped casing, and can be overlapped according to the depth of the wellbore, thereby meeting the demand for grouting at the bottom of the wellbore and having a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the Y-shaped sleeve of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the straight sleeve of the utility model.

[0019] Figure 3 This is a detailed installation diagram of the first bearing of the utility model. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] like Figure 1 As shown, a Y-shaped casing combined grouting device includes a cement grouting pump 2, a chemical grouting pump 3, and a Y-shaped casing 6; the cement grouting pump 2 and the chemical grouting pump 3 are respectively installed at the two inlets at the upper end of the Y-shaped casing 6, for controlling cement grouting and chemical grouting, and the lower part of the Y-shaped casing 6 is a straight cylinder, and the outlet at the lower end of the straight cylinder is sequentially connected to a plurality of straight casings 8.

[0022] A first stirring device is provided in the Y-shaped sleeve 6, the motor 1 is fixedly arranged above the Y-shaped sleeve 6, the power supply 4 is electrically connected to the motor 1 through the wire 7, the first stirring device includes a first transmission rod 5, a first connecting rod 9 and a first threaded blade, the first transmission rod 5 is vertically arranged at the center position inside the straight cylinder, the upper end of the first transmission rod 5 passes through the Y-shaped sleeve 6 and is fixedly connected to the output shaft of the motor 1, a plurality of first connecting rods 9 are arranged on the first transmission rod 5 in sequence from top to bottom, and the first threaded blade is fixed on the first connecting rod 9.

[0023] The first thread blade is composed of two spiral first blades 10 surrounding the first transmission rod 5. The first blade 10 of the first thread blade is connected to the first connecting rod 9 by welding.

[0024] A first bearing 11 is disposed at the discharge port at the lower end of the straight cylinder. Figure 3 As shown, the outer ring of the first bearing 11 is fixedly connected to the inner wall of the straight cylinder through a plurality of first connecting rods 12, and the lower end of the first transmission rod 5 passes through the inner ring of the first bearing 11. The first bearing 11 can ensure that the lower end of the first transmission rod 5 is located at the center of the straight cylinder to prevent the first stirring device from colliding with the inner wall of the straight cylinder during operation.

[0025] like Figure 2 As shown, each straight sleeve 8 is provided with a set of second stirring devices, the second stirring device comprises a second transmission rod 13, a second connecting rod 14 and a second threaded blade, the second transmission rod 13 is vertically arranged at the center position inside the straight sleeve 8, the upper end of each second transmission rod 13 is fixedly connected to the lower end of the first transmission rod 5 or the second transmission rod 13 in the previous straight sleeve 8 through a coupling, and a plurality of second connecting rods 14 are arranged on each second transmission rod 13 from top to bottom, and the second threaded blade is fixed on the second connecting rod 14. The second threaded blade is composed of two spiral second blades 15 surrounding the second transmission rod 13.

[0026] A second bearing is provided at the outlet of the lower end of each straight sleeve 8. The outer ring of the second bearing is fixedly connected to the inner wall of the straight sleeve 8 through a plurality of second connecting rods. The lower end of the second transmission rod 13 passes through the inner ring of the second bearing. The second bearing can ensure that the lower end of the second transmission rod 13 is located at the center of the straight sleeve 8 to prevent the second stirring device from colliding with the inner wall of the straight sleeve 8 during operation.

[0027] The Y-shaped sleeve 6 and the straight sleeve 8 and adjacent straight sleeves 8 are connected by threads.

[0028] When performing curtain grouting, first use the cement grouting pump 2 to perform cement grouting. After the grouting is completed, the Y-shaped sleeve 6 and the straight sleeve 8 are immediately cleaned by the cement grouting pump 2, and then the chemical grouting pump 3 is used for chemical grouting. After the chemical grouting is completed, the Y-shaped sleeve 6 and the straight sleeve 8 are immediately cleaned by the chemical grouting pump 3. As the straight sleeve 8 continues to go deeper, this process is repeated in sequence; when encountering special circumstances such as power outages that cause the chemical grouting pump 3 and the cement grouting pump 2 to fail to work, start the power supply 4, control the motor 1 to run, and the first stirring device and the second stirring device rotate under the drive of the motor 1 to prevent the slurry from solidifying, thereby blocking the Y-shaped sleeve 6 or the straight sleeve 8.

Claims

1. A Y-shaped casing joint grouting device, Features: It includes a cement grouting pump, a chemical grouting pump, and a Y-shaped casing; the cement grouting pump and the chemical grouting pump are respectively installed at the two inlets at the upper end of the Y-shaped casing to control cement grouting and chemical grouting. The lower part of the Y-shaped casing is a straight cylinder, and the outlet at the lower end of the straight cylinder is connected to a plurality of straight casings in sequence.

2. The Y-shaped casing combined grouting device according to claim 1, Features: A first stirring device is provided in the Y-shaped sleeve, and the motor is fixedly arranged above the Y-shaped sleeve. The first stirring device includes a first transmission rod, a first connecting rod and a first threaded blade. The first transmission rod is vertically arranged at the center position inside the straight cylinder. The upper end of the first transmission rod passes through the Y-shaped sleeve and is fixedly connected to the output shaft of the motor. A plurality of first connecting rods are arranged on the first transmission rod in sequence from top to bottom, and the first threaded blade is fixed on the first connecting rod.

3. The Y-shaped casing combined grouting device according to claim 2, Features: A first bearing is provided at the discharge port at the lower end of the straight cylinder, the outer ring of the first bearing is fixedly connected to the inner wall of the straight cylinder through a plurality of first connecting rods, and the lower end of the first transmission rod passes through the inner ring of the first bearing.

4. The Y-shaped casing combined grouting device according to claim 2, Features: The first threaded blade is composed of two spiral first blades surrounding a first transmission rod.

5. The Y-shaped casing combined grouting device according to claim 4, Features: The first blade of the first threaded blade is connected to the first connecting rod by welding.

6. The Y-shaped casing combined grouting device according to claim 2, Features: A second stirring device is provided in each straight sleeve, and the second stirring device includes a second transmission rod, a second connecting rod and a second threaded blade. The second transmission rod is vertically arranged at the center position inside the straight sleeve. The upper end of each second transmission rod is fixedly connected to the lower end of the first transmission rod or the second transmission rod in the previous straight sleeve through a coupling. A plurality of second connecting rods are arranged on each second transmission rod from top to bottom in sequence, and the second threaded blade is fixed on the second connecting rod.

7. The Y-shaped casing combined grouting device according to claim 6, Features: The second threaded blade is composed of two spiral second blades surrounding the second transmission rod.

8. The Y-shaped casing combined grouting device according to claim 6, Features: A second bearing is provided at the outlet of the lower end of each straight sleeve, the outer ring of the second bearing is fixedly connected to the inner wall of the straight sleeve through a plurality of second connecting rods, and the lower end of the second transmission rod passes through the inner ring of the second bearing.

9. The Y-shaped casing combined grouting device according to claim 1, Features: The Y-shaped sleeve and the straight sleeve, as well as adjacent straight sleeves, are all connected by threads.

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