CN210122906U - Hole sealing device - Google Patents

Abstract

The embodiment of the utility model discloses hole sealing device relates to underground works and struts the field, can be convenient for water-bearing region stock or anchor rope drilling carry out the shutoff. The hole sealing device includes: the bag is made of soft leather materials, at least two gel hole sealing agents are filled in the bag, different gel hole sealing agents are filled in the bag in an isolated mode, and the bag has a tubular column structure after being filled with the hole sealing agents. The utility model is suitable for an underground works such as mine tunnel, tunnel or subway by-pass strut in the construction.

Description

Hole sealing device

Technical Field

The utility model relates to an underground works such as mine, tunnel and subway by-pass strut technical field, especially relate to a hole sealing device.

Background

The anchor cable and the anchor rod are used as an effective supporting and reinforcing mode for roadways, side slopes and the like, and are widely applied to relevant fields of geotechnical engineering, mining, subway tunnel construction and the like. When anchor rope or stock support construction, need drill hole, with anchor rope or stock anchor in drilling, and at present generally set up anchoring agent bottom anchor rope or stock, set up the tray at the end that exposes, be fixed in drilling with anchor rope or stock with the fastener in the sky, hole sealing mode commonly used mainly has: grouting sealing, however, the existing sealing scheme is generally used for sealing the drilling space and the bottom, and is used for sealing a clean hole in which a cable or a bolt is not inserted. At present, no scheme for sealing a hole from a shallow part of a drill hole provided with an anchor cable or an anchor rod to an orifice exists.

Due to the requirements of anchor bolt or anchor cable support in some areas, there is a need for a sealing scheme that can be applied to anchor cables or anchor bolts from shallow portions of the drill hole to the hole opening (referred to as the hole section near the hole opening of the drill hole), and in particular to the sealing scheme applied to the anchor bolt or anchor cable hole support in water-bearing areas.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a hole sealing device is convenient for realize carrying out the shutoff to near stock or anchor rope hole drill way hole section in the supporting engineering, is particularly useful for supporting stock or anchor rope hole sealing to moisture region to keep the stability of country rock and stock or anchor rope.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sealing device, comprising: the bag is made of soft leather materials, at least two gel hole sealing agents are filled in the bag, different gel hole sealing agents are filled in the bag in an isolated mode, and the bag has a tubular column structure after being filled with the hole sealing agents.

Preferably, the sealing device comprises a first sealing agent and a second sealing agent, and the first sealing agent comprises: isocyanate or a water repellent, the second sealing agent comprising: polyether polyols or blowing agents;

the first hole sealing agent and the second hole sealing agent are matched in proportion as follows: 1: 3-1: 1.

Preferably, the length of the sealing device is: 200-500 mm, 30-100 mm of outer diameter and 10-40 mm of wall thickness.

The embodiment of the utility model provides a hole sealing device, include: the bag is made of soft leather materials, at least two gel hole sealing agents are filled in the bag, different gel hole sealing agents are filled in the bag in an isolated mode, and the bag has a tubular column structure after being filled with the hole sealing agents. Because the structure of the hole sealing device is a tubular column structure, the hole sealing device can be better sleeved on an anchor rope or an anchor rod, the prefabricated tubular column hole sealing device is sleeved on the exposed end of the anchor rope or the anchor rod and pushed into a drilled hole of the anchor rod or the anchor rope, the hole opening of the anchor rope or the anchor rod hole can be conveniently sealed, the hole section near the hole opening of the anchor rod or the anchor rope hole in a protection project can be conveniently plugged, and therefore the stability of surrounding rocks and the anchor rod or the anchor rope is kept.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic flow chart of a method for sealing an anchor rope or an anchor rod hole in a water-containing area according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the blender shown in FIG. 1;

FIG. 3 is a schematic structural view of another embodiment of the agitator of FIG. 1;

FIG. 4 is an enlarged view of the structure shown in FIG. 2 or FIG. 3 at D;

FIG. 5 is an enlarged view of the structure at E in FIG. 2 or FIG. 3;

FIG. 6 is an enlarged cross-sectional view of an embodiment of the connector of FIG. 2 or FIG. 3;

FIG. 7 is a front view of one embodiment of the hole sealing pad of FIG. 3;

FIG. 8 is a front view of the structure of the pipe column-shaped hole sealing device shown in FIG. 1;

FIG. 9 is a top view of the pipe column type hole sealing device shown in FIG. 8;

fig. 10 is a schematic structural view of the anchor cable or anchor rod hole in the surrounding rock after hole sealing.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1 to 3 and 10, an embodiment of the present invention provides a hole sealing device, which is mainly used for sealing holes in anchor cables or anchor rod supports in underground engineering water-containing areas such as mine tunnels, tunnels or subway side channels. The method is mainly used for comprising the following steps:

101. sleeving a prefabricated tubular column hole sealing device on an anchor cable or an exposed head of the anchor rod, and pushing the tubular column hole sealing device into the anchor rod or a drilled hole of the anchor cable;

in this embodiment, the tubular column sealing device includes: the bag is made of soft leather materials and is in a tubular column shape, at least two gel hole sealing agents are filled in the bag, and different gel hole sealing agents are mutually isolated and filled in the bag.

102. Then, the hollow part of the U-shaped fork rod of the stirrer is aligned with the anchor rod or the anchor cable for positioning, the U-shaped fork rod is pushed forward to be inserted into the hole sealing device until the bottom of the U-shaped fork rod is contacted with the outcrop of the anchor rod or the anchor cable, and the operation is stopped, namely the operation is stopped from the bottom of the U-shaped fork rod to the surrounding rock wall;

in this embodiment, the agitator includes U-shaped wishbone 1, a hollow region that U-shaped wishbone defined out when using, can fix a position through aiming at stock or anchor rope, through advancing U-shaped wishbone to U-shaped wishbone hollow region bottom contact stock or anchor rope outcrop, can play the effect of location agitator, put in the stirring process and prevent that the agitator position deviates from the drilling central line too much.

103. Rotating the stirrer, puncturing the outer skin of the hole sealing device through the U-shaped fork rod 1, and stirring the hole sealing agent;

104. and after the hole sealing agent is uniformly stirred and mixed, drawing out the U-shaped fork rod of the stirrer, standing for a preset time period, solidifying and expanding the hole sealing agent, and sealing the anchor rod or the anchor cable hole.

In the embodiment, the hole sealing agent is a gel substance when not in contact with air, and can be solidified and expanded when meeting the air, and the hole between the wall of the drilled hole and the anchor rod or the anchor cable is sealed after the agent is expanded, so that the effect of quickly, conveniently and effectively sealing the drilled hole of the anchor rod or the anchor cable is achieved.

The embodiment of the utility model provides a hole sealing device, through the tubular column form hole sealing device cover of prefabricating on anchor rope or stock show head, push into stock or anchor rope drilling; the tubular column-shaped hole sealing device comprises: the bag is made of soft leather materials and is in a tubular column shape, at least two gel hole sealing medicaments are filled in the bag, and different gel hole sealing medicaments are mutually isolated and filled in the bag; then, the hollow part of the U-shaped fork rod of the stirrer is aligned with the anchor rod or the anchor cable for positioning, the U-shaped fork rod is pushed forward to be inserted into the hole sealing device until the bottom of the U-shaped fork rod is contacted with the outcrop of the anchor rod or the anchor cable, and the operation is stopped, namely the operation is stopped from the bottom of the U-shaped fork rod to the surrounding rock wall; the stirrer comprises a U-shaped fork rod; rotating the stirrer, puncturing the outer skin of the hole sealing device through the U-shaped fork rod, and stirring the hole sealing agent; and after the hole sealing agent is uniformly stirred and mixed, drawing out the U-shaped fork rod of the stirrer, standing for a preset time period, solidifying and expanding the hole sealing agent, and sealing the anchor rod or the anchor cable hole. The hole sections near the hole orifices of the anchor rods or the anchor cables in the protection process can be plugged conveniently, so that the stability of the surrounding rocks and the anchor rods or the anchor cables is kept.

Further, the utility model also provides a hole sealing device, include: the bag is made of soft leather materials, at least two gel hole sealing agents are filled in the bag, different gel hole sealing agents are mutually isolated and filled in the bag, and the bag has a tubular column structure after being filled with the hole sealing agents; the hole sealing agent is filled into the soft leather material, and the tubular columnar hole sealing device is formed after filling, so that the hole sealing device can be better sleeved on the anchor cable or the anchor rod due to the tubular column structure, and the tubular column type hole sealing device is sleeved on the exposed head of the anchor cable or the anchor rod, so that the hole of the anchor cable or the anchor rod can be conveniently sealed; in addition, in anchor rope or anchor bolt support of upward drilling such as a top plate, due to the fact that water flows for a long time, surrounding rock media of the drilling hole flows out, the surrounding rock is loose, the existing anchoring mode through the anchoring agent is prone to failure, and the stability of the support is affected.

Referring to fig. 2 to 6 and 10, as a preferred embodiment, the agitator further includes: connector 2 and connecting rod 3, 3 first ends of connecting rod are equipped with the connector, the connecting rod second end is equipped with U-shaped fork 1, U-shaped fork 1 includes first fork 11, second fork 12, first cantilever 13 and second cantilever 14, first cantilever and second cantilever one end respectively horizontal connection in 3 second ends of connecting rod, the first cantilever other end is provided with perpendicularly first fork 11, the second cantilever other end is provided with perpendicularly second fork 12, first cantilever and second cantilever axisymmetric set up in 3 both sides of connecting rod.

The first fork rod 11 is provided with a first directional grain 15 and a second directional grain 16, the first directional grain and the second directional grain are symmetrically arranged about the midpoint of the length of the fork rod, the first directional grain is arranged on the fork rod and positioned between the midpoint and a first cantilever, the first directional grain and the second directional grain have opposite rotating directions, a first barbed hook 17 is arranged on the circumferential surface of the first fork rod provided with the first directional grain, the first barbed hook faces upwards, a second barbed hook 18 is arranged on the circumferential surface of the first fork rod provided with the second directional grain, the second barbed hook faces downwards, and the first barbed hook and the second barbed hook are symmetrically arranged about the midpoint;

the second fork rod is provided with the first directional stripes 15 and the second directional stripes 16, the first thorns are arranged on the circumferential surface of the second fork rod provided with the first directional stripes, the first thorns face upwards, the second thorns are arranged on the circumferential surface of the second fork rod provided with the second directional stripes, the second thorns face downwards, and the first thorns and the second thorns on the second fork rod are symmetrically arranged relative to the midpoint.

The hollow part of the U-shaped fork rod of the stirrer is aligned with the anchor rod or the anchor cable for positioning, the U-shaped fork rod is pushed forward to be inserted into the hole sealing device until the bottom of the U-shaped fork rod is contacted with the outcrop of the anchor rod or the anchor cable, and the operation is stopped, namely the operation is stopped from the bottom of the U-shaped fork rod to the surrounding rock wall; rotating the agitator, will through the U-shaped fork arm the crust of hole sealing device punctures to the hole sealing medicament stirs including:

connecting a connector of the stirrer to the anchor rod drilling machine or the air hammer; the stirrer is driven to rotate by a drilling machine or a wind hammer, and the first fork rod and the second fork rod penetrate into the bag of the hole sealing device; the bag of the hole sealing device is punctured by the first puncture hook and the second puncture groove on the circumferential surfaces of the first forked rod and the second forked rod, and hole sealing agents in the bag are stirred; along with the rotation of first fork arm and second fork arm, the sack of hole sealing device is smashed under the cutting that first thorn colluded and the second thorn colluded, prevents sack large tracts of land and anchor rope or anchor rod hole enclose the rock wall contact, influences the hole sealing effect.

The hole sealing agent in the bag is bidirectionally stirred by the first directional lines and the second directional lines symmetrically arranged on the first fork rod and the second fork rod, so that the agent is prevented from diffusing to the two ends of the fork rod, the agent is concentrated around the circumferential surface of the fork rod, the agent is conveniently and rapidly mixed uniformly, and the tight sealing is ensured.

Referring to fig. 2 to 6, the stirrer further comprises a conical funnel-shaped positioning hole 4, the conical funnel-shaped positioning hole 4 is formed in the joint of the connecting rod and the fork rod, the conical funnel-shaped positioning hole comprises a hollow conical structure 5 and a tubular column structure 6 arranged on the bottom surface of the conical structure, the conical tip of the conical funnel-shaped positioning hole is connected to the connecting rod 3, and the top of the tubular column structure 6 of the conical funnel-shaped positioning hole is connected with the U-shaped fork rod 1.

The hollow part of the U-shaped fork rod of the stirrer is aligned with the anchor rod or the anchor cable for positioning, the U-shaped fork rod is pushed forward to be inserted into the hole sealing device until the bottom of the U-shaped fork rod is contacted with the outcrop of the anchor rod or the anchor cable, and the operation is stopped, namely the operation is stopped from the bottom of the U-shaped fork rod to the surrounding rock wall; rotating the agitator, will through the U-shaped fork arm the crust of hole sealing device punctures to it still includes to stir the hole sealing medicament:

the conical funnel positioning hole is sleeved on the exposed end of the anchor rod or the anchor cable anchor, and is coaxially arranged with the anchor rod or the anchor cable hole; the positioning hole is used for preventing the stirrer from deviating in position during the stirring process.

Referring to fig. 3 and 7, as an alternative embodiment, a hole sealing pad 7 is further sleeved on the conical funnel positioning hole 4, a first through hole 8 for passing through a first fork rod and a second fork rod is formed in the hole sealing pad 7, the first through hole 8 is used for positioning the hole sealing pad, a central through hole 9 is further formed in the hole sealing pad, the hole sealing pad is sleeved on the conical funnel positioning hole through the center, and the exposed end of the anchor rod or the anchor cable passes through the central through hole to be connected with the conical funnel positioning hole;

the U-shaped fork rod hollow part of reuse agitator aims at stock or anchor rope and fixes a position, impels the U-shaped fork rod forward and inserts the hole sealing device, stops to U-shaped fork rod bottom and stock or anchor rope outcrop contact, and U-shaped fork rod bottom stops to surrounding rock wall department promptly includes:

and sleeving a hole sealing pad on the exposed head of the anchor rod or the anchor cable, pushing the hole sealing pad to the bottom of the hole sealing device by using the U-shaped fork rod of the stirrer, and continuously pushing the hole sealing device into the drilled hole until the periphery of the hole sealing pad is in close contact with the surrounding rock wall.

The rotating the agitator punctures the outer skin of the hole sealing device, and the agitating of the hole sealing agent further comprises: in the hole sealing agent stirring process, when the stirring speed is too high, the hole sealing pad is utilized to prevent the agent below from throwing out of the anchor cable or the anchor rod hole.

Treat take out the U type fork arm of agitator after hole sealing medicament stirring misce bene includes:

and the stirrer is drawn out from the anchor cable or the anchor rod hole, and the hole sealing pad is utilized to reduce the amount of hole sealing agent brought out in the drawing process of the fork rod, so that the tight sealing of the hole is ensured.

It can be understood that, in this embodiment, the hole sealing pad may also be directly disposed at an end of the hole sealing device when the tubular columnar hole sealing device is manufactured, so that the hole sealing pad is connected with the hole sealing device, thereby facilitating installation of the hole sealing pad; and secondly, the device can prevent the leakage of the medicament and position the hole sealing device.

As an optional embodiment, after the hole sealing agent is stirred and mixed uniformly, the U-shaped fork rod of the stirrer is drawn out, and is left for a predetermined period of time, the hole sealing agent is solidified and expanded, and the sealing of the hole of the anchor rod or the anchor cable comprises:

inserting a grouting pipe into the borehole before the hole sealing agent is not solidified; mounting the tray at the exposed end of the anchor rod or the anchor cable, and fixing the anchor rod or the anchor cable; and after the hole sealing agent is solidified and expanded, sealing the grouting pipes into the drilled hole together.

In this embodiment, it can be understood that the slip casting pipe can be set as required, if need slip casting, then insert before hole sealing device is not solidified, and convenient slip casting when need slip casting later.

Referring to fig. 8 and 9, in the present embodiment, as an optional embodiment, the sealing device includes a first sealing agent a and a second sealing agent B, and the first sealing agent a includes: isocyanate or a water repellent, and the second hole sealing agent B comprises: polyether polyols or blowing agents.

It can be understood that in upward drilling holes such as a top plate, if hole sealing agents are directly mixed and then poured into anchor cables or anchor rod holes, a downward overflow phenomenon can occur, so that in order to avoid the agent overflow phenomenon occurring in the upward drilling hole sealing process, the two gel-like agents are respectively and independently packaged by soft leather materials to form a tubular column-shaped structure, and one gel-like agent is matched with the anchor rods or the anchor cable structure, so that the hole sealing is convenient to fill; and the direct infusion medicament overflow phenomenon can be prevented.

As an optional embodiment, the ratio of the first hole sealing agent to the second hole sealing agent is: 1: 3-1: 1. It will be appreciated that the sealing scheme is primarily used to seal sections of the anchor cable or bolt bore hole adjacent thereto, and therefore, preferably the sealing device length: 200-500 mm, external diameter 30-100 mm, in order to be convenient for in the stirring process, the U-shaped fork arm of agitator punctures the soft skin bag of hole sealing device and stirs the bits, and soft skin bag still needs to guarantee to have certain bearing capacity, hole sealing device soft skin bag wall thickness is 10-40 mm. Preferably, the predetermined period of time is 1min to 5 min.

The hole sealing device can be understood that the expansion multiple of the hole sealing device after being stirred, mixed and solidified in a drilled hole is 2-3 times, so that the drilled hole of the anchor cable or the anchor rod can be sealed tightly, and the stability of the anchor cable or the anchor rod in the surrounding rock is improved by extruding the anchor cable or the anchor rod.

Referring to fig. 2 or fig. 3, in order to ensure that the method according to any of the above embodiments can be smoothly and better performed, the present invention further provides an agitator for use in the hole sealing device. The agitator includes: connector 2, connecting rod 3 and U-shaped fork arm 1, the connector generally is hexagonal prism structure, also can set up as required, the first end of connecting rod is equipped with connector 2 for be connected with equipment such as roofbolter or wind hammer.

The second end of the connecting rod is provided with the U-shaped fork rod, and the length of the U-shaped fork rod is greater than that of the hole sealing device in order to realize stirring in the whole length direction of the hole sealing device; the U-shaped fork rod comprises a first fork rod, a second fork rod, a first cantilever and a second cantilever, one end of the first cantilever and one end of the second cantilever are respectively and horizontally connected to the second end of the connecting rod, the other end of the first cantilever is vertically provided with the first fork rod, the other end of the second cantilever is vertically provided with the second fork rod, and the first cantilever and the second cantilever are axially symmetrically arranged on two sides of the connecting rod. The first fork rod is provided with a first orientation pattern and a second orientation pattern, the first orientation pattern and the second orientation pattern are symmetrically arranged relative to the middle point of the length of the fork rod, the first orientation pattern is arranged on the fork rod and positioned between the middle point and the first cantilever, and the rotation directions of the first orientation pattern and the second orientation pattern are opposite; through setting up the directional line of opposite direction's first directional line and second and can make the stirring in-process intensive mixing hole sealing medicament, prevent the upwards downward diffusion of medicament simultaneously, be favorable to the hole sealing device closely knit.

The first barb hook is arranged on the circumferential surface of the first fork rod provided with the first directional grains, the first barb hook faces upwards, the second barb hook faces downwards, and the first barb hook and the second barb hook are symmetrically arranged relative to the midpoint.

The first directional stripe and the second directional stripe are arranged on the second fork rod, the first barb hook is arranged on the circumferential surface of the second fork rod provided with the first directional stripe, the first barb hook faces upwards, the second barb hook is arranged on the circumferential surface of the second fork rod provided with the second directional stripe, the second barb hook faces downwards, and the first barb hook and the second barb hook on the second fork rod are symmetrically arranged relative to the midpoint.

It can be understood that, in the embodiment, the pricking grooves are formed on the circumferential surfaces of the first fork rod and the second fork rod, so that the outer skin (i.e. the bag) of the hole sealing device can be pricked and crushed during the stirring process, and the outer skin is prevented from being in large-area contact with the surrounding rock, the anchor rod or the anchor cable, and the hole sealing effect is prevented from being influenced.

The agitator still includes toper funnel-shaped locating hole, toper funnel-shaped locating hole is located the connecting rod with U-shaped fork arm junction, toper funnel-shaped locating hole includes cavity cone structure and locates the tubular column structure of cone structure bottom surface, the awl point that toper funnel-shaped locating hole connect in the connecting rod, the tubular column structure top that toper funnel-shaped locating hole is connected with the U-shaped fork arm. Funnel shaped locating hole is leaked through setting up the toper, and the cover is on stock or anchor rope, and the agitator takes place the incline when preventing to rotate, guarantees the stirring effect.

Still the cover has a hole sealing pad on the conical hopper locating hole, be equipped with the first through-hole that is used for passing first fork arm and second fork arm on the hole sealing pad, first through-hole is used for right hole sealing pad location, the hole sealing pad still is equipped with central through-hole, the hole sealing pad passes through the center is through the cover on the conical hopper locating hole, stock or anchor rope expose the end and pass central through-hole and conical hopper locating hole are connected. Through set up on the toper funnel locating hole seal the hole pad, when using, pass first fork arm and second fork arm seal the first through-hole of hole pad, promote the agitator makes seal the hole pad contact with the country rock inner wall all around to prevent when the hole sealing of last drilling, the medicament that is located the drilling hypomere (is close to drilling drill way position) receives the influence of gravity and drops, simultaneously, reduces the volume that the fork arm brought out the medicament when the fork arm is taken out in the stirring completion, is favorable to the closely knit of hole sealing effect.

In this embodiment, the hole sealing pad may also be connected to the hole sealing device during manufacturing the hole sealing device, so that the hole sealing pad may be conveniently installed, and the hole sealing pad may prevent the leakage of the chemical and position the hole sealing device.

It is to be understood that the description is as concise and as obvious as possible from a clear disclosure. The utility model discloses each embodiment is the utility model discloses the spirit unanimous basically, and the emphasis is different in the narration, and scheme effect can refer to each other, just no longer gives unnecessary details here.

It should be noted that the terms "upper", "lower", and the like, herein indicate orientations and positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. Relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. As will be appreciated by one of ordinary skill in the art, the situation may be specified.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (1)

1. A hole sealing device, characterized by comprising: the bag is made of soft leather materials and is in a tubular column shape, at least two gel hole sealing agents are filled in the bag, different gel hole sealing agents are mutually isolated and filled in the bag, and the bag has a tubular column-shaped structure after being filled with the hole sealing agents;

length of the tube columnar structure: 200-500 mm, 30-100 mm of outer diameter and 10-40 mm of wall thickness.

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