Device and method for sealing, grouting, and reinforcing broken coal-rock masses
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technique of crushing coal and rock mass and grouting reinforcement, which is applied in shaft equipment, earthwork drilling, sealing/separation, etc., can solve the problems that cannot be widely used, poor grouting effect, and poor hole sealing, etc., and achieve Good sealing effect, low production cost and low cost effect
Inactive Publication Date: 2019-12-31
HENAN POLYTECHNIC UNIV
View PDF15 Cites 2 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
Various traditional grouting equipment are mostly suitable for the ground, and some devices specially used for downhole grouting are not well sealed due to factors such as poor hole sealing and complicated construction, so the grouting effect is not good, so they cannot Widely used in rock mass
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0028] Such as figure 1 , figure 2 with image 3 As shown, a kind of soft coal and rock body sealing grouting device comprises a grouting pipe 1, the grouting pipe 1 is a hollow steel pipe, and its left end is provided with an external thread, and a nut 3 is screwed on the external thread section of the grouting pipe 1; The tail joint 7 is composed of a ring connector and a short tube, one end of the short tube is welded to the ring connector, and two ring grooves are arranged side by side at the other end; the tail joint 7 is welded through the other side of the ring connector At the right end of the grouting pipe 1 and the axes of the short pipe, the ring connector, and the grouting pipe coincide; the tail end protection tube 9 is sleeved on the periphery of the tail end joint 7 and one end is welded with the ring connector; the duckbill The valve 8 is an integrally formed structure made of rubber, including a duckbill and a cylindrical bottom, and two circular convex lin...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention belongs to the technical field of surrounding rock control in coal mining, and particularly relates to a device and method for sealing, grouting, and reinforcing broken coal-rock masses.Technical problems such as poor sealing and grouting effects and complex construction in the prior art are solved. The device mainly comprises a grouting pipe, a wrench, a nut, a casing pipe, a sealing sleeve, a gasket, a tail end joint, a duckbill valve, and a tail end protection tube, one end of the grouting pipe is provided with an external thread, the nut is in screw joint with the grouting pipe through the external thread, the wrench is connected to the outside of the nut in a sleeving mode, the other end of the grouting pipe is fixedly connected with the tail end joint, the tail end protection tube is fixed to the tail end joint, and the duckbill valve is mounted on the tail end joint in a sleeving mode and completely located in the protection tube at the tail end; and the casing pipe, the sealing sleeve and the gasket are mounted on the outer wall of the grouting pipe between the nut and the tail end joint in turn in a sleeving mode. According to the device and method for sealing, grouting, and reinforcing the broken coal-rock masses, the sealing effect is good, the grouting process is simple, slurry can be prevented from flowing back, the cost is low, the grouting speed ishigh, and the device for sealing, grouting, and reinforcing the soft and broken coal-rock masses can be widely used and promoted.
Description
technical field [0001] The invention belongs to the technical field of surrounding rock control in coal mine mining, and in particular relates to a device and method for sealing and grouting reinforcement of broken coal and rock mass. Background technique [0002] Mine construction often encounters weak, broken and other adverse geological conditions, which bring great difficulties to the underground surrounding rock management, mainly reflected in the underground support, which seriously affects the safe and efficient production of coal mines. Grouting is the solution to all kinds of problems. It is an important means and is widely used in many fields such as reinforcement and rock mass instability. Various traditional grouting equipment are mostly suitable for the ground, and some devices specially used for downhole grouting are not well sealed due to factors such as poor hole sealing and complicated construction, so the grouting effect is not good, so they cannot It has ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more