CN213574156U - Tunnel grouting equipment - Google Patents
Tunnel grouting equipment Download PDFInfo
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- CN213574156U CN213574156U CN202021299640.4U CN202021299640U CN213574156U CN 213574156 U CN213574156 U CN 213574156U CN 202021299640 U CN202021299640 U CN 202021299640U CN 213574156 U CN213574156 U CN 213574156U
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- grouting
- slip casting
- anchor rod
- casting stock
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Abstract
The utility model discloses a tunnel slip casting equipment belongs to colliery safety mining equipment field, including the slip casting stock, the slip casting stock is equipped with many, and the thick liquid agitator passes through the pipeline to be connected with the grouting pump, and the grouting pump is connected with the slip casting stock through always going out the liquid hose, and many slip casting stocks are parallelly connected together. The roadway grouting equipment and the grouting method improve the grouting progress, one main liquid outlet pipeline branch is connected in parallel to 6 branch liquid outlet pipelines, 6 grouting anchor rods can be simultaneously injected at one time, and the efficiency is greatly improved; the grouting method can realize large-range one-time grouting, has a wide diffusion radius, can fully fill surrounding rock cracks, and enhances the supporting strength of a roadway; the grouting method has the advantages that the porous liquid outlet pipeline is installed or removed at one time, the frequency of hole replacement in frequent ascending operation is reduced compared with the conventional grouting method, the labor intensity is effectively reduced, and the safety guarantee is improved.
Description
Technical Field
The utility model relates to a coal mine safety mining equipment field, specifically speaking, the utility model relates to a tunnel grouting equipment.
Background
With the increasing of the coal mining amount, many domestic mines enter a deep mining state in succession. After a mine enters a deep part for mining, tunnel surrounding rocks show the characteristics of ground stress increase, deformation damage aggravation, difficult supporting, repeated repair and the like, when a water-bearing stratum is encountered, the rock mass shows relatively weak properties under influence, the situations of surrounding rock deformation, stratum local collapse, water inrush when meeting water points and the like are easily caused, the safety of personnel and equipment is threatened, and normal production is delayed. In the field construction design, a grouting method is generally adopted for water plugging and surrounding rock reinforcement. The grouting technology can bond the loose and broken surrounding rocks into a whole, improve the strength of rock mass and improve the bearing capacity of the surrounding rocks, and is convenient to construct and low in cost. The existing commonly used grouting method is that a shallow hole is drilled in surrounding rock, then a grouting pipe is inserted for low-pressure grouting, and when the bearing capacity of a shallow rock body is improved to a certain degree, a deep hole is drilled for high-pressure strong grouting. The grouting method combining deep and shallow holes ensures the grout receiving amount of the rock mass, enlarges the grouting radius and achieves the effect of grouting, water plugging and reinforcing.
At the same time, there are many disadvantages to this grouting method: (1) the grouting method needs two drilling constructions, two sets of grouting pipelines matched with the drilling specifications cannot be used in series, the labor intensity is high, and the process is complex; (2) the existing grouting method can only be used for grouting one hole at a time, the grouting efficiency is low, the number of personnel is large, the grouting engineering is lagged, and the supporting requirement cannot be met in time.
Disclosure of Invention
The utility model aims to solve the technical problem that a grouting equipment that can slip casting on a large scale is provided, improve the work efficiency of slip casting.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a roadway grouting device comprises a grout stirring barrel, a grouting pump, a total liquid outlet hose, branch liquid outlet hoses and grouting anchor rods, the slip casting stock is equipped with many, be 1 slip casting stock respectively, No. 2 slip casting stock, No. 3 slip casting stock, No. 4 slip casting stock, No. 5 slip casting stock and No. 6 slip casting stock, the thick liquid agitator passes through the pipeline and is connected with the grouting pump, the grouting pump is connected with No. 6 slip casting stock through total liquid hose, No. 6 slip casting stock sets up the blender with total liquid hose's junction, set up the manometer in the blender, set up control flap on the total liquid hose, No. 6 slip casting stock is connected with No. 5 slip casting stock through branch liquid hose, No. 5 slip casting stock is connected with No. 4 slip casting stock through branch liquid hose, No. 4 slip casting stock, No. 3 slip casting stock and No. 1 slip casting stock loop through branch liquid hose and connect in parallel together.
Preferably, the branch liquid outlet hose and the joints of the No. 1 grouting anchor rod, the No. 2 grouting anchor rod, the No. 3 grouting anchor rod, the No. 4 grouting anchor rod and the No. 5 grouting anchor rod are provided with check valves.
Preferably, the branch liquid outlet hose and the joints of the No. 1 grouting anchor rod, the No. 2 grouting anchor rod, the No. 3 grouting anchor rod, the No. 4 grouting anchor rod and the No. 5 grouting anchor rod are provided with pressure gauges.
Preferably, the distance between two adjacent grouting anchor rods is 1.5-1.8 m.
Preferably, the length of the branch liquid outlet hose is 2.4 m-2.6 m.
A roadway grouting method comprises the following steps:
(1) starting a slurry stirring barrel to stir the grouting liquid, wherein the grouting liquid flows to a grouting pump through a pipeline, and the grouting pump conveys the grouting liquid to each grouting anchor rod through a main liquid outlet hose;
(2) each grouting anchor rod is provided with a pressure gauge, the grouting pressure of the grouting anchor rod is recorded in real time by observing the pressure on each grouting anchor rod, and each grouting anchor rod is provided with a check valve to prevent slurry from flowing backwards;
(3) after grouting is stopped, in order to prevent grouting liquid from solidifying in the grouting anchor rod, water is introduced into the grout stirring barrel, and grout in the grouting anchor rod is washed out through the introduction of the water.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
the roadway grouting equipment and the grouting method improve the grouting progress, one main liquid outlet pipeline branch is connected in parallel to 6 branch liquid outlet pipelines, 6 grouting anchor rods can be simultaneously injected at one time, and the efficiency is greatly improved; the grouting method can realize large-range one-time grouting, has a wide diffusion radius, can fully fill surrounding rock cracks, and enhances the supporting strength of a roadway; the grouting method has the advantages that the porous liquid outlet pipeline is installed or removed at one time, the frequency of hole replacement in frequent ascending operation is reduced compared with the conventional grouting method, the labor intensity is effectively reduced, and the safety guarantee is improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic plan structure view of the grouting equipment;
the labels in the above figures are: 1. a slurry stirring barrel; 2. grouting pump; 3. a total liquid outlet hose; 4. a branch liquid outlet hose; 5. 6, grouting an anchor rod; 6. no. 5 grouting anchor rod; 7. grouting anchor rod No. 4; 8. grouting anchor rod No. 3; 9. grouting anchor rod No. 2; 10. no. 1 slip casting stock.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, in which the shapes, structures, mutual positions and connection relationships of the respective members, the functions of the respective portions, the operation principles, and the like of the respective members are described.
As shown in figure 1, the roadway grouting equipment comprises a grout mixing tank 1, a grouting pump 2, a total liquid outlet hose 3, branch liquid outlet hoses 4 and grouting anchor rods, wherein the grouting anchor rods are provided with a plurality of grouting anchor rods, namely a grouting anchor rod 1 10, a grouting anchor rod 2, a grouting anchor rod 3, a grouting anchor rod 8, a grouting anchor rod 4, a grouting anchor rod 5 and a grouting anchor rod 6 5, the grout mixing tank 1 is connected with the grouting pump 2 through a pipeline, the grouting pump 2 is connected with the grouting anchor rod 6 through the total liquid outlet hose 3, a mixer is arranged at the joint of the grouting anchor rod 6 and the total liquid outlet hose 3, a pressure gauge is arranged in the mixer, a control valve is arranged on the total liquid outlet hose 3, the grouting anchor rod 6 is connected with the grouting anchor rod 5 through the branch liquid outlet hose 4, the grouting anchor rod 5 is connected with the grouting anchor rod 4 through the branch liquid outlet hose 4, and the grouting anchor rod 7, The No. 3 grouting anchor rod 8 and the No. 1 grouting anchor rod 10 are connected in parallel through the branch liquid outlet hose 4 in sequence.
As shown in fig. 1, check valves are arranged at the joints of the branch liquid outlet hose 4 and the grouting anchor rods 1, 2, 3, 4, 5 and 6. The pressure gauge is arranged at the joint of the branch liquid outlet hose 4 and the grouting anchor rod 1, the grouting anchor rod 2, the grouting anchor rod 3, the grouting anchor rod 4, the grouting anchor rod 7 and the grouting anchor rod 5, the distance between every two adjacent grouting anchor rods is 1.5 m-1.8 m, and the length of the branch liquid outlet hose 4 is 2.4 m-2.6 m.
The roadway grouting method comprises the following steps:
(1) starting a slurry stirring barrel 1 to stir the grouting slurry, wherein the grouting slurry flows to a grouting pump 2 through a pipeline, and the grouting pump 2 conveys the grouting slurry to each grouting anchor rod through a total liquid outlet hose 3;
(2) each grouting anchor rod is provided with a pressure gauge, the grouting pressure of the grouting anchor rod is recorded in real time by observing the pressure on each grouting anchor rod, and each grouting anchor rod is provided with a check valve to prevent slurry from flowing backwards;
(3) after grouting is stopped, in order to prevent grouting liquid from solidifying in the grouting anchor rod, water is introduced into the grout stirring barrel 1, and grout in the grouting anchor rod is washed out through the introduction of the water.
Because the parallel arrangement between each slip casting stock, can not influence the work of other slip casting stocks according to certain slip casting stock of actual conditions optional switch during the slip casting, select the quantity of connecting the slip casting stock according to actual slip casting demand.
The roadway grouting equipment and the grouting method improve the grouting progress, one main liquid outlet pipeline branch is connected in parallel to 6 branch liquid outlet pipelines, 6 grouting anchor rods can be simultaneously injected at one time, and the efficiency is greatly improved; the grouting method can realize large-range one-time grouting, has a wide diffusion radius, can fully fill surrounding rock cracks, and enhances the supporting strength of a roadway; the grouting method has the advantages that the porous liquid outlet pipeline is installed or removed at one time, the frequency of hole replacement in frequent ascending operation is reduced compared with the conventional grouting method, the labor intensity is effectively reduced, and the safety guarantee is improved.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (5)
1. The utility model provides a tunnel slip casting equipment which characterized in that: including thick liquid agitator, grouting pump, total liquid hose, branch's play liquid hose and slip casting stock, the slip casting stock is equipped with many, be 1 slip casting stock respectively, No. 2 slip casting stock, No. 3 slip casting stock, No. 4 slip casting stock, No. 5 slip casting stock and No. 6 slip casting stock, the thick liquid agitator passes through the pipeline and is connected with the grouting pump, the slip casting pump is connected with No. 6 slip casting stocks through total liquid hose, No. 6 slip casting stock sets up the blender with total liquid hose's junction, set up the manometer in the blender, set up control flap on the total liquid hose, No. 6 slip casting stock passes through branch's play liquid hose and is connected with No. 5 slip casting stock, No. 5 slip casting stock passes through branch's play liquid hose and is connected with No. 4 slip casting stock, No. 3 slip casting stock and No. 1 slip casting stock loop through branch's play liquid.
2. The roadway grouting apparatus of claim 1, wherein: and check valves are arranged at the joints of the branch liquid outlet hose and the No. 1 grouting anchor rod, the No. 2 grouting anchor rod, the No. 3 grouting anchor rod, the No. 4 grouting anchor rod and the No. 5 grouting anchor rod.
3. The roadway grouting apparatus of claim 1, wherein: the branch liquid outlet hose is provided with a pressure gauge at the joint of the No. 1 grouting anchor rod, the No. 2 grouting anchor rod, the No. 3 grouting anchor rod, the No. 4 grouting anchor rod and the No. 5 grouting anchor rod.
4. The roadway grouting apparatus of claim 1, wherein: the distance between two adjacent grouting anchor rods is 1.5-1.8 m.
5. The roadway grouting apparatus of claim 1, wherein: the length of the branch liquid outlet hose is 2.4 m-2.6 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021299640.4U CN213574156U (en) | 2020-07-06 | 2020-07-06 | Tunnel grouting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021299640.4U CN213574156U (en) | 2020-07-06 | 2020-07-06 | Tunnel grouting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574156U true CN213574156U (en) | 2021-06-29 |
Family
ID=76550996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021299640.4U Active CN213574156U (en) | 2020-07-06 | 2020-07-06 | Tunnel grouting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213574156U (en) |
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2020
- 2020-07-06 CN CN202021299640.4U patent/CN213574156U/en active Active
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