CN219387938U - Novel prevent blockking up stock full length anchor notes device - Google Patents
Novel prevent blockking up stock full length anchor notes device Download PDFInfo
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- CN219387938U CN219387938U CN202320278348.1U CN202320278348U CN219387938U CN 219387938 U CN219387938 U CN 219387938U CN 202320278348 U CN202320278348 U CN 202320278348U CN 219387938 U CN219387938 U CN 219387938U
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Abstract
The utility model relates to a novel anti-blocking anchor rod full-length anchor injection device, which comprises an anchor rod body, a fastening screw sleeve, a nut, a dust cap, a grouting elbow, a tray, a grouting sleeve, a grouting device, a sealing ring and a grouting hole, wherein the fastening screw sleeve is arranged on the anchor rod body; one end of the anchor rod body is provided with a fastening screw sleeve; a nut is arranged on one side of the fastening screw sleeve; a tray is arranged on one side of the nut; one side of the tray is provided with a grouting device; the grouting bent pipe is positioned at the head part of the grouting device; the grouting holes are positioned at the tail part of the grouting device. The method is characterized in that: the anchoring of the end part of the anchor rod and the full-length anchoring can be completed only by one-time punching, so that the anchoring integration is truly realized; the tail part of the grouting device is provided with a plurality of grouting holes, so that a single grouting hole can be prevented from being blocked during grouting; and the surrounding rock is effectively sealed by double sealing of the slurry stopping sleeve and the sealing ring. The utility model has the advantages of ingenious design, convenient operation, safety and practicability, and well solves the problems of integration of the anchoring and grouting of the anchor rod and blockage of the grouting hole.
Description
Technical Field
The utility model relates to the technical field of supporting and grouting of coal mine roadways, tunnels and the like, in particular to a novel anti-blocking anchor rod full-length anchoring and grouting device.
Background
The anchor rod and the anchor cable are a supporting form commonly used in coal mines, and have the advantages of rapid installation, timely bearing and the like, but have a plurality of problems. In recent years, full-length anchoring technology is gradually developed and widely applied in the fields of coal mines, tunnels and the like, has remarkable engineering effect, and particularly plays a great role in weak broken surrounding rock. At present, the coal mine tunnel is subjected to anchor injection support mainly by anchor rods and anchor ropes, the grouting anchor rods and the grouting anchor ropes are subjected to anchor injection support, and the anchor injection is respectively carried out. The grouting anchor rod is in a hollow mode, so that the supporting strength of the anchor rod is greatly reduced, only a grouting effect is achieved, the grouting anchor rod is required to be additionally perforated and installed, time and labor are wasted, and the grouting anchor rod has the condition that grouting holes are blocked, so that the potential safety hazard is greatly brought. Therefore, there is a need for an anchor rod injection device that can achieve both anchor rod anchoring and anchor rod injection and prevent blockage of the injection holes to solve this problem.
In view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a novel anti-blocking anchor rod full-length anchoring device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel anti-blocking anchor rod full-length anchoring device, comprising:
the grouting device comprises an anchor rod body (1), a fastening swivel nut (2), a nut (3), a dust cap (4), a grouting elbow pipe (5), a tray (6), a grouting stopping sleeve (7), a grouting device (8), a sealing ring (8-1) and a grouting hole (8-3); one end of the anchor rod body (1) is provided with a fastening screw sleeve (2); a nut (3) is arranged on one side of the fastening screw sleeve (2); a tray (6) is arranged on one side of the nut (3); one side of the tray (6) is provided with a grouting device (8); the grouting bent pipe (5) is positioned at the head of the grouting device (8); the grouting holes (8-3) are positioned at the tail part of the grouting device (8); the dustproof cap (4) is positioned at the head of the grouting elbow (5) and can prevent the dust in the roadway (12) from entering the grouting elbow (5) to cause blockage; the grouting stopping sleeve (7) is sleeved on the grouting device (8) and is tightly clung to the tray (6), so that the grouting liquid can be prevented from overflowing from the drilling hole (9) during grouting; the sealing ring (8-1) is positioned at the head of the grouting device (8) and is tightly connected with the fastening screw sleeve (2), the nut (3) and the anchor rod body (1), so that the grouting liquid can be prevented from overflowing from the grouting device (8) during grouting; the tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3) which can prevent the grouting holes (8-3) from being blocked during grouting; the roadway surrounding rock (11) is effectively sealed through double sealing of the grout stopping sleeve (7) and the sealing ring (8-1); when grouting is performed, the dustproof cap (4) is opened, the grouting liquid flows into the grouting device (8) through the grouting bent pipe (5) and flows out through the grouting holes (8-3), the drill holes (9) and the cracks of the surrounding rock (11) of the roadway are filled, and the tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3), so that the single grouting hole (8-3) can be prevented from being blocked, and meanwhile, the outflow speed of the grouting liquid is accelerated.
Preferably, the dustproof cap (4) is connected with the grouting elbow (5) through external threads (5-1) at the head of the grouting elbow; the grouting elbow (5) is connected with the grouting device (8) through external threads (5-2) at the tail part of the grouting elbow and internal threaded holes (8-2) at the head part of the grouting device; the slurry stopping sleeve (7) is sleeved on the slurry injector (8) and is clung to the tray (6); the sealing ring (8-1) is positioned at the head of the grouting device (8) and is tightly connected with the fastening screw sleeve (2), the nut (3) and the anchor rod body (1).
Preferably, the inner diameter of the dustproof cap (4) is matched with the external thread (5-1) of the head part of the grouting elbow; the external thread (5-2) at the tail part of the grouting elbow is matched with the internal thread hole (8-2) at the head part of the grouting device; the inner diameter of the grout stopping sleeve (7) is matched with the outer diameter of the grouting device (8); the inner diameter of the sealing ring (8-1) is matched with the outer diameter of the anchor rod body (1); the outer diameter of the sealing ring (8-1) is matched with the inner diameter of the head of the grouting device (8).
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model has the advantages of simple manufacture, convenient operation, novel design, strong practicability, safety and reliability.
2. According to the utility model, the anchoring of the end part of the anchor rod and the full-length anchoring of the anchor rope can be completed by only one punching without separately carrying out the anchoring of the anchor rod and the anchor rope, so that the anchoring integration is truly realized.
3. The tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3), so that the single grouting hole (8-3) can be prevented from being blocked during grouting, and the outflow speed of the slurry is also increased.
4. According to the utility model, the roadway surrounding rock (11) is effectively sealed through double sealing of the grout stop sleeve (7) and the sealing ring (8-1).
In conclusion, the grouting device is simple in manufacture, convenient to operate and high in practicability, anchoring of the end part of the anchor rod and full-length anchoring of the anchor rope can be completed without respectively carrying out anchoring and anchoring of the anchor rope, anchoring integration of the anchor rod and full-length anchoring can be truly achieved by only punching once, a plurality of grouting holes (8-3) are formed in the tail part of the grouting device (8), the single grouting hole (8-3) can be prevented from being blocked during grouting, meanwhile, the outflow speed of slurry is accelerated, and the roadway surrounding rock (11) is effectively sealed through double sealing of the grouting stopping sleeve (7) and the sealing ring (8-1).
Drawings
The utility model, together with a further understanding of the many of its attendant advantages, will be more fully appreciated by reference to the following detailed description, when considered in connection with the accompanying drawings, which, however, are intended to provide a further understanding of the utility model and are not to be construed as limiting the utility model, wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the components of the present utility model;
FIG. 3 is a schematic view of a grouting elbow and a grouting device according to the present utility model;
fig. 4 is a schematic diagram of the assembly of the components of the present utility model.
In the figure: 1. a bolt body; 2. fastening the screw sleeve; 3. a nut; 4. a dust cap; 5. grouting bent pipe; 6. a tray; 7. a slurry stopping sleeve; 8. a grouting device; 9. drilling holes; 10. an anchoring agent; 11. surrounding rock of the roadway; 12. roadway; 5-1, grouting elbow head external threads; 5-2, external threads at the tail part of the grouting elbow; 8-1, a sealing ring; 8-2, an internal thread hole of the head part of the grouting device; 8-3, grouting holes.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the utility model, a novel anti-blocking full-length anchor injection device for an anchor rod comprises an anchor rod body (1), a fastening screw sleeve (2), a nut (3), a dust cap (4), a grouting elbow pipe (5), a tray (6), a grouting stopping sleeve (7), a grouting device (8), a sealing ring (8-1) and a grouting hole (8-3); one end of the anchor rod body (1) is provided with a fastening screw sleeve (2); a nut (3) is arranged on one side of the fastening screw sleeve (2); a tray (6) is arranged on one side of the nut (3); one side of the tray (6) is provided with a grouting device (8); the grouting bent pipe (5) is positioned at the head of the grouting device (8); the grouting holes (8-3) are positioned at the tail part of the grouting device (8); the dustproof cap (4) is positioned at the head of the grouting elbow (5) and can prevent the dust in the roadway (12) from entering the grouting elbow (5) to cause blockage; the grouting stopping sleeve (7) is sleeved on the grouting device (8) and is tightly clung to the tray (6), so that the grouting liquid can be prevented from overflowing from the drilling hole (9) during grouting; the sealing ring (8-1) is positioned at the head of the grouting device (8) and is tightly connected with the fastening screw sleeve (2), the nut (3) and the anchor rod body (1), so that the grouting liquid can be prevented from overflowing from the grouting device (8) during grouting; the tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3) which can prevent the grouting holes (8-3) from being blocked during grouting; the roadway surrounding rock (11) is effectively sealed through double sealing of the grout stopping sleeve (7) and the sealing ring (8-1); when grouting is performed, the dustproof cap (4) is opened, the grouting liquid flows into the grouting device (8) through the grouting bent pipe (5) and flows out through the grouting holes (8-3), the drill holes (9) and the cracks of the surrounding rock (11) of the roadway are filled, and the tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3), so that the single grouting hole (8-3) can be prevented from being blocked, and meanwhile, the outflow speed of the grouting liquid is accelerated.
The method comprises the following specific steps:
a. the anchor rod body (1), the fastening swivel nut (2), the nut (3), the dustproof cap (4), the grouting elbow pipe (5), the tray (6), the grouting stopping sleeve (7), the grouting device (8) and the sealing ring (8-1) are combined for standby according to the combination mode shown in the figure 1.
b. According to design requirements, the position, depth and diameter of a drilling hole (9) of a section anchor rod of a roadway (12) are determined, the type and length of an anchoring agent (10) are determined, and the length of the full-length anchoring device of the anti-blocking anchor rod is determined.
c. And (3) drilling holes (9) by using the jumbolter after the temporary support is completed.
d. Clearing rock scraps in the drill hole (9), placing an anchoring agent (10) into the drill hole (9), jacking the anchoring agent (10) into the bottom of the drill hole (9) by using the anchor rod body (1), completely plugging the grouting device (8) and the grouting stopping sleeve (7) into the drill hole (9), and fixing the anchor rod body (1) and the anti-blocking anchor rod full-length anchoring device through the nut (3) and the fastening screw sleeve (2).
e. And opening the dustproof cap (4), connecting the grouting bent pipe (5), and starting grouting. The grout flows into the grouting device (8) through the grouting bent pipe (5) and flows out through the grouting holes (8-3) and the bottom of the grouting device (8), and as the tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3), the single grouting hole (8-3) can be prevented from being blocked, meanwhile, the outflow speed of the grout is accelerated, when the bottom of a drilling hole (9) is full of the grout, the grout starts to flow back, due to the action of the grout stopping sleeve (7), the grout is prevented from flowing out from an orifice, and due to the action of the sealing ring (8-1), the grout is prevented from flowing out from the head of the grouting device (8).
f. And (5) continuing grouting until the whole drilling hole (9) and the roadway surrounding rock (11) are filled with the slurry, and finishing grouting.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate technical solution, and this description is provided for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the embodiments may be appropriately combined to form one skilled in the art.
Claims (3)
1. Novel prevent blockking up stock full length anchor notes device, its characterized in that: the novel anti-blocking anchor rod full-length anchor injection device comprises: the grouting device comprises an anchor rod body (1), a fastening swivel nut (2), a nut (3), a dust cap (4), a grouting elbow pipe (5), a tray (6), a grouting stopping sleeve (7), a grouting device (8), a sealing ring (8-1) and a grouting hole (8-3); one end of the anchor rod body (1) is provided with a fastening screw sleeve (2); a nut (3) is arranged on one side of the fastening screw sleeve (2); a tray (6) is arranged on one side of the nut (3); one side of the tray (6) is provided with a grouting device (8); the grouting bent pipe (5) is positioned at the head of the grouting device (8); the grouting holes (8-3) are positioned at the tail part of the grouting device (8); the dustproof cap (4) is positioned at the head of the grouting elbow (5) and can prevent the dust in the roadway (12) from entering the grouting elbow (5) to cause blockage; the grouting stopping sleeve (7) is sleeved on the grouting device (8) and is tightly clung to the tray (6), so that the grouting liquid can be prevented from overflowing from the drilling hole (9) during grouting; the sealing ring (8-1) is positioned at the head of the grouting device (8) and is tightly connected with the fastening screw sleeve (2), the nut (3) and the anchor rod body (1), so that the grouting liquid can be prevented from overflowing from the grouting device (8) during grouting; the tail part of the grouting device (8) is provided with a plurality of grouting holes (8-3) which can prevent the grouting holes (8-3) from being blocked during grouting; the roadway surrounding rock (11) is effectively sealed through double sealing of the grout stopping sleeve (7) and the sealing ring (8-1).
2. The novel anti-blocking anchor rod full-length anchoring device according to claim 1, wherein: the dustproof cap (4) is connected with the grouting elbow (5) through external threads (5-1) at the head of the grouting elbow; the grouting elbow (5) is connected with the grouting device (8) through external threads (5-2) at the tail part of the grouting elbow and internal threaded holes (8-2) at the head part of the grouting device; the slurry stopping sleeve (7) is sleeved on the slurry injector (8) and is clung to the tray (6); the sealing ring (8-1) is positioned at the head of the grouting device (8) and is tightly connected with the fastening screw sleeve (2), the nut (3) and the anchor rod body (1).
3. The novel anti-blocking anchor rod full-length anchoring device according to claim 1, wherein: the inner diameter of the dustproof cap (4) is matched with the external thread (5-1) of the head part of the grouting elbow; the external thread (5-2) at the tail part of the grouting elbow is matched with the internal thread hole (8-2) at the head part of the grouting device; the inner diameter of the grout stopping sleeve (7) is matched with the outer diameter of the grouting device (8); the inner diameter of the sealing ring (8-1) is matched with the outer diameter of the anchor rod body (1); the outer diameter of the sealing ring (8-1) is matched with the inner diameter of the head of the grouting device (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320278348.1U CN219387938U (en) | 2023-02-22 | 2023-02-22 | Novel prevent blockking up stock full length anchor notes device |
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Application Number | Priority Date | Filing Date | Title |
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CN202320278348.1U CN219387938U (en) | 2023-02-22 | 2023-02-22 | Novel prevent blockking up stock full length anchor notes device |
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CN219387938U true CN219387938U (en) | 2023-07-21 |
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CN202320278348.1U Active CN219387938U (en) | 2023-02-22 | 2023-02-22 | Novel prevent blockking up stock full length anchor notes device |
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- 2023-02-22 CN CN202320278348.1U patent/CN219387938U/en active Active
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