CN217107074U

CN217107074U - Self-expanding self-sealing hole type anchoring and grouting device

Info

Publication number: CN217107074U
Application number: CN202220749053.3U
Authority: CN
Inventors: 于守东; 于泽昊; 魏红
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-02
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a from cellular type anchor note device of sealing that expands, establish the play thick liquid pipe outside stock or anchor rope including being used for the cover, be equipped with the side opening on the lateral wall in play thick liquid pipe middle section, the side opening is equipped with from the inflation sealing hole subassembly outward, and the terminal cover of play thick liquid pipe is equipped with the supercharging stopper. The self-expanding hole sealing assembly comprises a self-closing sleeve which is sleeved outside the slurry outlet pipe and used for sealing the side hole, a self-closing sleeve binding hoop which is positioned on one side of the side hole is arranged on the self-closing sleeve, a self-expanding sleeve which is used for covering the self-closing sleeve is sleeved outside the self-closing sleeve, and self-expanding sleeve binding hoops which are positioned outside two sides of the self-closing sleeve are arranged on the self-expanding sleeve. One end of the grout outlet pipe, which is far away from the pressurizing plug, is provided with a hollow joint, the side wall of the joint is provided with a threaded hole, the threaded hole is communicated with the inner cavity of the grout outlet pipe through the inner cavity of the joint, and one end of the joint, which is far away from the grout outlet pipe, is provided with a through hole for allowing an anchor rod or an anchor cable to enter. The utility model discloses can prevent to spill over the thick liquid at stock, anchor rope slip casting in-process to drilling, it is extravagant to reduce to leak thick liquid.

Description

Self-expanding self-sealing hole type anchoring and grouting device

Technical Field

The utility model relates to a product art field is strutted with slip casting in mine, concretely relates to from cellular type anchor notes device of proclaiming oneself.

Background

At present, many mines, tunnel adopt stock or anchor rope cooperation anchor injection device to carry out the slip casting, make solid core stock, anchor rope also have the slip casting function, can consolidate the country rock and make stock, anchor rope realize full length anchor again, make things convenient for the construction to practice thrift the cost, really realize anchor injection integration construction, nevertheless when the broken drilling of tunnel country rock becomes poor and the whitewashing seals the country rock, former anchor injection device hole sealing effect is relatively poor, and it is more to leak the thick liquid, causes the extravagant influence of material and uses.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from cellular type anchor notes device of proclaiming oneself, it can prevent to spill over the thick liquid at stock, anchor rope slip casting in-process to drilling, and it is extravagant to reduce to leak thick liquid.

In order to solve the technical problem, the utility model discloses a following scheme:

the self-expanding self-sealing type anchor injection device comprises a slurry outlet pipe which is used for being sleeved outside an anchor rod or an anchor cable, wherein a side hole which is communicated with an inner cavity of the slurry outlet pipe is formed in the side wall of the middle section of the slurry outlet pipe, a self-expanding hole sealing component is arranged outside the side hole, and a pressurizing plug which is used for being sleeved outside the anchor rod or the anchor cable and can be tightly attached to the outer side wall of the anchor rod or the anchor cable is sleeved at the tail end of the slurry outlet pipe. The self-expanding seal hole assembly comprises an elastic component, and the pressurizing plug is made of elastic materials. The self-expanding sealing hole assembly has the effects that through the arrangement of the self-expanding sealing hole assembly, when grouting is carried out, slurry can enter the self-expanding sealing hole assembly through the side hole in the side wall of the slurry outlet pipe, and the side wall on the outermost side of the self-expanding sealing hole assembly is subjected to pressure bearing expansion to seal a drilled hole to prevent slurry leakage; through the setting of pressure boost stopper, can reduce the play thick liquid pipe in the exit of stock or anchor rope and the stock or the anchor rope body of rod between the gap, can play the effect of current-limiting pressure boost effectively to be convenient for from the pressure-bearing inflation of bloated seal hole subassembly.

Further, the pressurizing plug comprises an installation section with the inner diameter matched with the outer diameter of the slurry outlet pipe and a pressurizing section with the inner diameter matched with the outer diameter of the anchor rod or the anchor cable. The pressurizing plug can be tightly attached to the outer side wall of the grout outlet pipe through the arrangement of the mounting section; through the setting of pressure boost section, can closely laminate the pressure boost stopper on the lateral wall of stock or anchor rope.

Furthermore, the pressurizing plug is made of NBR material, so that after the self-expansion hole sealing assembly bears pressure, expands and seals holes, the pressurizing section can be opened under certain pressure for normal grouting.

Furthermore, the installation section is in interference fit with the grout outlet pipe, and the pressurization section is in interference fit with the anchor rod or the anchor cable.

Furthermore, the self-expanding hole sealing component comprises a self-closing sleeve which is sleeved outside the slurry outlet pipe and seals the side hole, a self-closing sleeve binding hoop which is positioned on one side of the side hole is arranged on the self-closing sleeve, a self-expanding sleeve which is used for covering the self-closing sleeve is sleeved outside the self-closing sleeve, and self-expanding sleeve binding hoops which are positioned outside two sides of the self-closing sleeve are arranged on the self-expanding sleeve. The self-closing sleeve and the self-expanding sleeve are both made of elastic materials. The self-closing sleeve is made of elastic materials, so that the slurry can be prevented from flowing back into the slurry outlet pipe through the gap, namely after the self-expanding sleeve is filled with the slurry, the pressure in the self-expanding sleeve is greater than the pressure of the side hole on the self-closing sleeve, the self-closing sleeve is tightly attached to the slurry outlet pipe, and the slurry cannot flow back into the slurry outlet pipe.

Furthermore, the self-closing sleeve is made of NBR material and is in interference fit with the slurry outlet pipe; the self-expansion sleeve is made of NBR material, and the two sides of the self-expansion sleeve are in interference fit with the grout outlet pipe.

Furthermore, the end of the slurry outlet pipe, which is far away from the pressurizing plug, is provided with a hollow joint inside, the side wall of the joint is provided with a threaded hole communicated with the outer side wall and the inner cavity, the threaded hole is communicated with the inner cavity of the slurry outlet pipe through the inner cavity of the joint, and one end of the joint, which is far away from the slurry outlet pipe, is provided with a through hole for allowing an anchor rod or an anchor cable to enter. The anchor rod or the anchor cable can enter the grout outlet pipe through the through hole and can enter grout outlet pipe through the threaded hole through the arrangement of the joint.

Furthermore, the threaded hole is connected with a grouting bent pipe, and the outer sides of the grouting bent pipe close to the two ends of the grouting bent pipe are provided with thread sections. The effect of the grouting device is that the device is conveniently installed into a drilled hole through a grouting pipe and a grouting bent pipe and then later-stage grouting is carried out.

Further, be equipped with the sealing washer in the through-hole, the lateral wall of sealing washer and the inside wall of through-hole are assorted chamfer form, and the internal diameter of the inside wall of through-hole is along keeping away from a thick liquid pipe direction and increase gradually. The sealing ring can be in close contact with the anchor rod or the anchor cable through the arrangement of the sealing ring, and the slurry is prevented from being extruded to the outside through the through hole.

Furthermore, the sealing ring is made of NBR material, and the inner diameter of the sealing ring is matched with the outer diameter of the anchor rod or the anchor cable.

The utility model discloses beneficial effect who has:

1. through the arrangement of the self-expansion sleeve, in the grouting process of an anchor rod or an anchor cable in a drilled hole, the hole can be sealed by self-expansion to prevent slurry from overflowing, so that the material waste is reduced, and the influence on the construction quality is avoided;

2. through the setting of supercharging stopper, make and produce pressure differential from the cover department that expands and let the thick liquid can get into the side opening and pour into from the cover that expands in, let and expand the hole sealing from the cover, still can prevent to annotate thick liquid after the thick liquid from going out thick liquid pipe outflow simultaneously, influence stock or anchor rope overall length anchor effect, further improve sealed effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic exploded perspective view of FIG. 1;

FIG. 4 is an enlarged cross-sectional structural view at A in FIG. 1 when the present invention with an anchor rod is installed in a borehole and is not grouted;

fig. 5 is a schematic view of the enlarged sectional structure of the position a in fig. 1 after the grouting in the drill hole of the utility model with the anchor rod.

The reference numerals are explained below: 1. a pulp outlet pipe; 2. a side hole; 3. a self-expanding seal bore assembly; 4. a pressurizing plug; 5. an installation section; 6. a pressurizing section; 7. self-closing sleeve; 8. self-closing sleeve bundling; 9. self-expanding sleeve; 10. self-expanding sleeve hoop; 11. a joint; 12. a threaded hole; 13. a through hole; 14. a seal ring; 15. and (6) grouting the bent pipe.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1

The utility model provides a from cellular type anchor injection device that expands, as shown in figure 1, including being used for the cover to establish the play thick liquid pipe 1 outside stock or anchor rope, be equipped with the side opening 2 that is linked together with play thick liquid pipe 1 internal cavity on the lateral wall in play thick liquid pipe 1 middle section, side opening 2 is equipped with from the inflation and seals the punch combination spare 3 outward, goes out the terminal cover of thick liquid pipe 1 and is equipped with and is used for the cover to establish outside stock or anchor rope and can paste the pressure boost stopper 4 tight with the lateral wall of stock or anchor rope. The self-expanding orifice assembly 3 comprises a resilient member and the booster plug 4 is of a resilient material. The self-expanding sealing hole assembly 3 has the effects that when grouting is carried out, slurry can enter the self-expanding sealing hole assembly 3 through the side hole 2 on the side wall of the slurry outlet pipe 1, and the side wall on the outermost side of the self-expanding sealing hole assembly 3 bears pressure and expands to seal a drilled hole to prevent slurry leakage; through the setting of supercharging stopper 4, can reduce the gap between the exit of play thick liquid pipe 1 at stock or anchor rope and stock or anchor rope body of rod, can play the effect of current-limiting pressure boost effectively to from the pressure-bearing inflation of bloated seal hole subassembly 3.

Specifically, as shown in fig. 2, the pressurizing plug 4 comprises an installation section 5 with an inner diameter matched with the outer diameter of the slurry outlet pipe 1 and a pressurizing section 6 with an inner diameter matched with the outer diameter of the anchor rod or anchor cable. The pressurizing plug 4 can be tightly attached to the outer side wall of the grout outlet pipe 1 through the arrangement of the mounting section 5; through the setting of pressure boost section 6, can closely laminate pressure boost stopper 4 on the lateral wall of stock or anchor rope.

Specifically, the pressurizing plug 4 is made of NBR material, so that after the self-expansion hole sealing assembly 3 bears pressure, expands and seals holes, the pressurizing section 6 can be opened under certain pressure for normal grouting.

Specifically, the installation section 5 is in interference fit with the grout outlet pipe 1, and the pressurization section 6 is in interference fit with the anchor rod or the anchor cable.

Specifically, as shown in fig. 2, the self-expanding hole sealing assembly 3 comprises a self-closing sleeve 7 which is sleeved outside the grout outlet pipe 1 and used for sealing the side hole 2, a self-closing sleeve binding hoop 8 which is positioned on one side of the side hole 2 is arranged on the self-closing sleeve 7, a self-expanding sleeve 9 which is used for covering the self-closing sleeve 7 is sleeved outside the self-closing sleeve 7, and self-expanding sleeve binding hoops 10 which are positioned outside two sides of the self-closing sleeve 7 are arranged on the self-expanding sleeve 9. The self-closing sleeve 7 and the self-expanding sleeve 9 are both made of elastic materials. The automatic slurry discharging device has the advantages that slurry in the slurry discharging pipe 1 can overflow from a gap between the automatic closing sleeve 7 and the slurry discharging pipe 1 at one side where the automatic closing sleeve 8 is not arranged through the side hole 2 due to the arrangement of the automatic closing sleeve 7 and the automatic closing sleeve binding hoop 8, the automatic closing sleeve 7 is made of elastic materials, the situation that the slurry flows back into the slurry discharging pipe 1 through the gap can be avoided, namely, after the automatic expanding sleeve 9 is filled with the slurry, the pressure in the automatic expanding sleeve 9 is larger than the pressure of the side hole 2 on the automatic closing sleeve 7, the automatic closing sleeve 7 is tightly attached to the slurry discharging pipe 1, and the slurry cannot flow back into the slurry discharging pipe 1.

Specifically, the self-closing sleeve 7 is made of NBR material, and the self-closing sleeve 7 is in interference fit with the grout outlet pipe 1; the self-expansion sleeve 9 is made of NBR material, and the two sides of the self-expansion sleeve 9 are in interference fit with the grout outlet pipe 1.

Specifically, as shown in fig. 2, one end of the grout outlet pipe 1, which is far away from the pressurizing plug 4, is provided with a hollow joint 11, the side wall of the joint 11 is provided with a threaded hole 12, which communicates the outside of the side wall with the internal cavity, the threaded hole 12 is communicated with the internal cavity of the grout outlet pipe 1 through the internal cavity of the joint 11, and one end of the joint 11, which is far away from the grout outlet pipe 1, is provided with a through hole 13 for allowing an anchor rod or an anchor cable to enter. The function of the device is that through the arrangement of the joint 11, an anchor rod or an anchor cable can enter the slurry outlet pipe 1 through the through hole 13, and slurry can enter the slurry outlet pipe 1 through the threaded hole 12.

Specifically, as shown in fig. 3, a grouting bent pipe 15 is connected to the threaded hole 12, and the outer sides of the grouting bent pipe 15 adjacent to both ends thereof are provided with threaded sections. Its effect does, through the setting of slip casting return bend 15, conveniently installs this device and carries out the later stage slip casting after drilling through being connected slip casting pipe and slip casting return bend 15.

Specifically, as shown in fig. 2, a sealing ring 14 is arranged in the through hole 13, the outer side wall of the sealing ring 14 and the inner side wall of the through hole 13 are in a matched chamfer shape, and the inner diameter of the inner side wall of the through hole 13 gradually increases along the direction away from the slurry outlet pipe 1. The sealing ring 14 can be in close contact with the anchor rod or the anchor cable through the sealing ring 14, and slurry is prevented from being extruded to the outside through the through hole 13.

Specifically, the sealing ring 14 is made of NBR material, and the inner diameter of the sealing ring 14 is matched with the outer diameter of the anchor rod or the anchor cable.

The working principle of the embodiment is explained as follows: after the anchor rod or the anchor cable is installed in the device, the anchor rod or the anchor cable is tightly attached to the pressurizing plug 4 and the sealing ring 14, a matched anchor rod drilling hole is punched out by using an anchor rod drilling machine according to the diameter and the length of a rod body of the anchor rod or the anchor cable, an anchoring agent is placed into the drilling hole, the anchoring agent is pushed into the bottom of the drilling hole by using the anchor rod or the anchor cable rod body, then the anchor rod drilling machine is connected with the exposed end of the anchor rod or the anchor cable by using an installation sleeve, the anchor rod drilling machine is started to drive the anchor rod or the anchor cable rod body to rotate and stir the anchoring agent, the slurry pipe 1 and the self-expansion hole sealing component 3 are completely plugged into the drilling hole, and the anchor rod drilling machine pushes the anchor rod or the anchor cable rod body tightly until the anchoring agent is solidified, and then a nut sleeve or a tensioning instrument is used for enabling the anchor rod or the anchor cable rod body to reach the set tension. When the nut or anchor is tightened, the sealing ring 14 and the joint 11 are compressed to seal the through hole 13. As shown in fig. 4 and 5, when grouting, the grouting pipe is connected with the grouting elbow 15, the grouting construction can be carried out by starting a grouting pump, because the inner end of the grout outlet pipe 1 of the self-expansion self-hole-sealing type anchor grouting device is provided with the pressure-increasing plug 4, pressure difference is generated at the self-expansion hole-sealing component 3, grout can enter the side hole 2 and is injected into the self-expansion sleeve 9 through the self-closing sleeve 7, the self-expansion sleeve 9 can be expanded to seal holes, meanwhile, when the pressure is increased to a certain pressure, the gap between the pressure-increasing section 6 and the anchor rod or the anchor cable rod body can be increased, the grout can flow out into the drill hole to carry out normal grouting, and when the drill hole is full of grout, the other hole is replaced to continue grouting according to the above mode.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. The self-expanding self-sealing hole type anchoring and grouting device is characterized in that: the grouting device comprises a grout outlet pipe (1) which is used for being sleeved outside an anchor rod or an anchor cable, wherein at least one side hole (2) communicated with an inner cavity of the grout outlet pipe (1) is formed in the side wall of the middle section of the grout outlet pipe (1), a self-expanding hole sealing component (3) is arranged outside the side hole (2), and a pressurizing plug (4) which is used for being sleeved outside the anchor rod or the anchor cable and can be tightly attached to the outer side wall of the anchor rod or the anchor cable is sleeved at the tail end of the grout outlet pipe (1).

2. The self-expanding self-sealing hole type anchor grouting device according to claim 1, wherein: the pressurizing plug (4) comprises an installation section (5) with the inner diameter matched with the outer diameter of the slurry outlet pipe (1) and a pressurizing section (6) with the inner diameter matched with the outer diameter of the anchor rod or the anchor cable.

3. A self-expanding, self-sealing, hole-type anchor grouting device according to claim 2, characterised in that: the pressurizing plug (4) is made of NBR material.

4. A self-expanding, self-sealing, hole-type anchor grouting device according to claim 2, characterised in that: the mounting section (5) is in interference fit with the grout outlet pipe (1), and the pressurizing section (6) is in interference fit with the anchor rod or the anchor cable.

5. The self-expanding self-sealing hole type anchor grouting device according to claim 1, wherein: the self-expanding hole sealing assembly (3) comprises a self-closing sleeve (7) which is used for being sleeved outside the grout outlet pipe (1) and is used for sealing the side hole (2), wherein a self-closing sleeve binding hoop (8) which is positioned on one side of the side hole (2) is arranged on the self-closing sleeve (7), a self-expanding sleeve (9) which is used for covering the self-closing sleeve (7) is sleeved outside the self-closing sleeve (7), and a self-expanding sleeve binding hoop (10) which is positioned outside two sides of the self-closing sleeve (7) is arranged on the self-expanding sleeve (9).

6. The self-expanding self-sealing hole type anchor grouting device according to claim 5, wherein: the self-closing sleeve (7) is made of NBR (nitrile-butadiene rubber), and the self-closing sleeve (7) is in interference fit with the grout outlet pipe (1); the self-expansion sleeve (9) is made of NBR material, and the two sides of the self-expansion sleeve (9) are in interference fit with the grout outlet pipe (1).

7. The self-expanding self-sealing hole type anchor grouting device according to claim 1, wherein: go out thick liquid pipe (1) and keep away from one of supercharging stopper (4) and serve and be equipped with inside hollow joint (11), be equipped with screw hole (12) that are linked together the lateral wall with inside cavity outward on the lateral wall of joint (11), screw hole (12) are linked together through the inside cavity of joint (11) and the inside cavity of play thick liquid pipe (1), and the one end of keeping away from out thick liquid pipe (1) in joint (11) is equipped with through-hole (13) that are used for letting stock or anchor rope get into.

8. The self-expanding self-sealing hole type anchor grouting device according to claim 7, wherein: the grouting bent pipe (15) is connected in the threaded hole (12), and the outer sides of the grouting bent pipe (15) close to the two ends of the grouting bent pipe are provided with threaded sections.

9. The self-expanding self-sealing hole type anchor grouting device according to claim 8, wherein: be equipped with sealing washer (14) in through-hole (13), the lateral wall of sealing washer (14) and the inside wall of through-hole (13) are the assorted chamfer angle form, and the internal diameter of the inside wall of through-hole (13) is followed and is kept away from out thick liquid pipe (1) direction and is crescent.

10. A self-expanding, self-sealing, hole-type anchor injecting device as defined in claim 9, wherein: the sealing ring (14) is made of NBR material, and the inner diameter of the sealing ring (14) is matched with the outer diameter of the anchor rod or the anchor cable.