KR20100096563A - Connected equipmentes for reinforcing rock bolt - Google Patents

Abstract

PURPOSE: A rock bolt linking reinforcement apparatus is provided to prevent collapse between rock bolts and minimize collapse risk by the support of an adjacent rock bolt even though one rock bolt-installed portion collapses. CONSTITUTION: A rock bolt linking reinforcement apparatus comprises a packer(10), a rock bolt link reinforcement lower plate(40), a rock bolt link reinforcement upper plate(30), and a cover(60). The packer is fixed to the leading end of 'multiple insertion holes formed on a slope. A through hole and a U-shaped retreated groove(41) are formed in the rock bolt link reinforcement lower plate. The end of the rock bolt(20) is inserted into the through-hole. The rock bolt link reinforcement lower plate fixes the wire(70). A through-hole(31) and a U-shaped groove are formed in the rock bolt link reinforcement upper plate. The through-hole is formed in order to passes through the rock bolt. The rock bolt link reinforcement upper plate presses the wire mounted on the U-shaped groove.

Description

Rock bolt interlock reinforcement device to prevent rock collapse {CONNECTED EQUIPMENTES FOR REINFORCING ROCK BOLT}

The present invention relates to a rock bolt linkage reinforcement device for preventing rock collapse, and more particularly, it is fixed / installed to prevent a rock wall, rock, soil, etc., which form an inclined surface adjacent to a road from collapsing due to various impacts and weathering effects. In the rock bolt, a plurality of rock bolts are connected to each other so that even if any one of the rock bolt installation parts collapses, the lock bolt is supported by a neighboring rock bolt to minimize the risk of collapse and at the same time, the rock bolt is to be separated from the rock bolt. The present invention relates to a rock bolt linkage reinforcement device for preventing rock collapse to hold a portion by rebar or wire.

In general, there are many sloped roads including rock walls, rocks, and earth and sand on roadsides opened in mountainous terrain, and these roads are exposed to slope collapses generated from sloped slopes. It refers to a phenomenon that collapses as the support base is weakened due to various impacts and heavy weather, including gravitational and gravitational action.

Therefore, in order to reduce the risk of such a slope collapse, various types of slope stabilization work is being performed to incline the slope at a certain angle and to prevent falling rocks and earth and sand from the slope to the road.

When the collapse of a specific part of the inclined ground yarn is intensified, the load due to the collapse is concentrated on the rock bolt reinforcement portion of the site, and the rock bolt reinforcement portion in which the collapse load is concentrated is deformed or broken by the load, There is a problem that the risk of safety accidents remain, such as loss of support, leading to rock collapse.

Regarding rock bolt linkage fixing device for preventing rock collapse, there is known a patent registration No. 10-0466491 'rock bolt linkage fixing device for preventing rock collapse'.

Patent registration No. 10-0466491 'rock bolt interlocking device for preventing rock collapse' relates to a rock bolt interlocking device for preventing rock collapse, in the lock bolts fixed to prevent the collapse of the slope adjacent to the road, By connecting the lock bolts installed so that the mortar filled inside does not leak to the outside, even if any one lock bolt installation part collapses, it is supported by a neighboring lock bolt to minimize the risk of collapse. In order to prevent the bolts from falling down and to more stably install the reinforcing bars or wires that connect the lock bolts, thereby preventing the reinforcing of the reinforcing bars or wires, thereby improving the reinforcing reinforcement of the lock bolts. It is.

However, as illustrated in FIG. 1 or FIG. 2 attached to the prevention jaw and the groove of the support plate, which is a component of the rock-bolt interlocking device for preventing rock collapse, bars or wires are installed horizontally and vertically, horizontally. Rebar or wire installed in the case of slope collapse is subject to rock and rockfall load when collapsed. Therefore, the rebar or wire installed horizontally by manpower must be pulled out during maintenance of rock bolt linkage fixing device to prevent rock collapse. In the following, there is a problem in that the economic burden greatly works.

In addition, the falling rocks and tears of the wires, etc. to prevent falling rocks falling out of the rock or rock walls are discharged to the outside to fall on the road threatening vehicles and passers-by, the need for quick and easy maintenance have.

The present invention has been made in order to solve the problems of the prior art as described above, in a plurality of lock bolts fixed to prevent collapse of the inclined surface adjacent to the road, so that the mortar filled inside does not leak to the outside The rock bolts are connected to each other so that the risk of collapse can be minimized by the support of the neighboring rock bolts even if any one of the rock bolt installation parts collapses, and the rock bolts are prevented from falling down. The purpose is to provide a lock bolt interlock reinforcement for prevention.

Another object of the present invention is the rock bolt-linked reinforcement top plate and the rock bolt-linked reinforcement bottom plate is formed including a u-shaped groove in which the wire is seated around the through hole, by mounting and fixing the wire in the u-shaped groove, the horizontal It has an installation angle of about 30 ~ 60 ° as a reference, preferably has an installation angle of a wire of about 45 °, whereby the wire is generated due to various impacts and weathering action, such as rock wall, rock, earth and sand It is an object of the present invention to provide a rock bolt interlock reinforcement device for preventing rock collapse to distribute the load by the collapse.

Another object of the present invention is that when the reinforcing bar or wire is installed horizontally collapsed due to the load of rock and rock fall when the slope is collapsed, according to the manpower during maintenance of the rock bolt connection fixing device for preventing rock collapse As it is necessary to pull the rebar or wire horizontally installed, the economic burden is large.In addition, the falling rocks or rocks caused by falling or tearing of the wire to prevent rockfall are discharged to the outside while falling on the road and Since it poses a threat to a passenger, the need for quick and easy maintenance is required. The first and second sleeve bearings of the rock bolt linkage reinforcement device for preventing rock collapse do not wear the shaft of the mating material without friction and wear characteristics. I pulled the wire because I used the first and second sleeve bearings To provide a rock bolt lock for preventing the collapse of connection reinforcement device very easily when puleojul it is an object.

The above and the other object of the present invention is to form an insertion hole in the roadside inclined surface consisting of a rock wall or rock, and to fix the rock bolt to the insertion hole to prevent the rock wall or rock to collapse according to the external impact In the prevention lock bolt connection reinforcement device, the packer 10 which is in close contact with the inner circumferential surface of the insertion hole is fixed to the front end side of the plurality of insertion holes formed in the inclined surface, the end side of the lock bolt 20 A through-hole 42 is formed to be fitted, and the lock bolt connection reinforcement lower plate 40 and the lock bolt 20 which can fix the wire 70 by forming a u-shaped groove 41 at both ends of the corner part are formed. A through-hole 32 for penetrating is formed, and forming a u-shaped groove 31 at both ends of the corner portion to lock the wire bolt connection reinforcement top plate 30 to press the wire 70 seated in the u-shaped groove 31 Combining the lock bolt ( 20 is coupled to the end side of the lock bolt-linked reinforcement bottom plate 40 and the lock bolt-linked reinforcement top plate 30 to be in close contact with and fixed to the nut 50, the upper end of the lock bolt-linked reinforcement top plate 30 Rock-bolt interlock reinforcement for rock-breakdown prevention rock bolt formed by including a cover 60 to cover the coupling portion of the lock bolt 20 and the nut (50) provided to the rock-bolt prevention reinforcement for rock-breakdown prevention provided with a sleeve Is achieved.

The present invention for achieving the above object is to prevent the mortar that is filled into the inclined surface when the rock bolt is installed on the inclined surface consisting of rock walls, rocks and the like to prevent the outflow to the outside of the rock bolt by high pressure grouting The present invention relates to a rock bolt linkage reinforcement device for preventing rock collapse that is formed at an upper side of a rock bolt installation device that increases rigidity due to increased frictional force. Lock bolts installed to prevent leakage of mortar filled with the outside are connected to each other so that the risk of collapse is minimized by the support of neighboring rock bolts even if any one of the lock bolts is collapsed. Reinforcing bars or wires connecting rock bolts, while preventing bolts from collapsing Easier, more reliable installation and maintenance of the fish, and the like to prevent the falling of the reinforcing bars or wires, and to maintain against sagging or tearing of wires, which prevents falling rocks, etc. It is to improve the.

In addition, a packer is installed at the front end side of the insertion hole formed on the inclined surface, the lock bolt is inserted at a predetermined depth through the through hole of the upper and lower plate members of the packer, and then mortar is provided through the grouting hole formed at one side of the upper plate member. Performing the primary grouting step, injecting the mortar through the injection hose inserted into the through hole of the upper and lower plate members, and performing high-pressure secondary grouting on the lower side of the packer so that the mortar reaches the cracked part. It is filled with high density so that the lock bolts are firmly installed.

In the case of the rock bolt linkage reinforcement device for preventing rock collapse, the rock bolt-linked reinforcement top plate and the lock bolt-linked reinforcement bottom plate are formed including a u-shaped groove in which the wire is seated around the through hole, and has a wire installation angle of about 45 °. As a result, the wire is more remarkable than the prior art in distributing loads due to collapse caused by various impacts and weathering effects of rock walls, rocks, earth and sand.

The cover to cover the coupling portion of the lock bolt and the nut provided on the upper end of the rock bolt connection reinforcement top plate provided in the rock bolt linkage reinforcement preventing device to protect the rock bolt connection reinforcement to protect the coupling portion of the rock bolt and nut By forming a fixing jaw that can be coupled to the locking jaw of the top plate, it prevents the corrosion of the rock bolt and nut by the weather phenomenon such as snow, rain.

The first and second sleeve bearings provided in the rock bolt linkage reinforcement device for preventing rock collapse are very easy when the wire is pulled or released because the first and second sleeve bearings have excellent friction and wear characteristics without abrasion of the shaft of the mating material. It is useful for installation and maintenance of rock bolt linkage reinforcement device for preventing rock collapse.

These and other objects and features of the present invention will be more clearly understood from the following detailed description based on the accompanying drawings.

1 to 9 is a view showing a concrete embodiment of rock-bolt interlocking reinforcement for preventing rock collapse associated with the present invention and a rock bolt-linked reinforcement for preventing rock collapse according to the present invention, Figures 1 to 2 are conventional 3 and 5 are exploded perspective views, coupling cross-sectional views and exploded cross-sectional view of the rock bolt linkage reinforcement device for preventing rock collapse according to the present invention, Figures 6 to 8 Exploded perspective view, coupled cross-sectional view and exploded cross-sectional view of the rock-bolt interlock reinforcement device for preventing rock collapse with a sleeve according to the present invention, Figure 9 is a wire bolt to the rock bolt connection reinforcement plate of rock-bolt interlock reinforcement for preventing rock collapse according to the present invention 10 is a plan view of the combined state, Figure 10 is a state of use of the rock bolt linkage reinforcement for preventing rock collapse according to the invention.

Packer 10 of the present invention is fixed to the front end side of the plurality of insertion holes 16 formed on the inclined surface is supported in close contact with the inner peripheral surface of the insertion hole 16, the grouting hole 15 in one side And a top plate member (11) having a through hole (14) formed at one side of the through hole (13), and having a through hole (13) for inserting the lock bolt (20) at the center side. It has a size having an outer circumference smaller than the outer circumference of the member 11 to form a hollow cylindrical portion 17 extending by a predetermined length.

In addition, the lower plate member 12 of the packer 10 is fixed to the other end of the cylindrical portion 17 and made of the same shape as the upper plate member 11, but through the hole for the locking bolt 20 is used ( 13 is formed, and a through hole 14 corresponding to the through hole 14 of the upper plate member 11 is formed at one side of the through hole 13.

Mortar on the lower side of the packer 10 with the injection hose 3 inserted in the through hole 14 of the packer 10 and the upper and lower plate members 11 and 12 of the packer 10 when the lock bolt is installed. The grouting hole 15 is formed outside the cylindrical portion 17 on a vertical line, and the through hole 14 formed in the upper and lower plate members 11 and 12 is positioned inside the cylinder. Characterized in that formed.

1 is a view showing a rock bolt installation apparatus and a method of installation according to the present invention, as shown in the insertion hole 16 having a predetermined width and depth on the roadside inclined surface (2) consisting of a rock wall or rock, Packer 10 is installed to the insertion hole 16 formed on the inclined surface of the rock wall or rock by inserting and installing the packer 10 at the tip side of the insertion hole 16 to perform the grouting The hollow cylinder portion 17 is integrally formed between the upper plate member 11 and the lower plate member 12, and the through-hole 13 for inserting the lock bolt 20 is formed in the center portion thereof, respectively. It is.

For reference, in FIG. 1, the through hole 14 and the through hole 13 on the upper and lower plate members 11 and 12 have not been given a separate reference numeral because they do not enter.

Accordingly, after the packer 10 is installed at the tip side of the insertion hole 16 formed on the inclined surface 2 formed of the rock wall or the rock, the lock bolt 20 is fixed by the through hole 13 of the packer 10. When mortar is injected through the grouting hole 15 formed at one side of the upper plate member 11 of the packer 10 in a state of being inserted at a depth, between the upper and lower plate members 11 and 12 of the packer 10. When the mortar is filled in the outer part of the cylindrical part 17, the packer 10 is fixed to the front end side of the insertion hole 16, and when the primary grouting is completed by injecting mortar into the packer 10 in this way, the upper plate member By injecting mortar through the injection hose 3, one end of which protrudes outward from the 11, the mortar is filled into the lower part of the lower plate member 12 of the packer 10 so that secondary grouting is performed. As shown in FIG. 1, the lock bolt 20 is firmly filled with mortar in the lower side of the packer 10 in the insertion hole 16. It is fixed to the bar, the lock bolt 20 is installed without the leakage of mortar is made.

In addition, the end of the fixed lock bolt 20 is formed to protrude from the surface of the inclined surface 2, the end of the protruding rock bolt 20 radial rock bolt connection reinforcement having a constant thickness and rigidity The lower plate 40 is positioned through, and as the nut 50 mate with the lock bolt 20 is fastened, the lock bolt-linked reinforcement lower plate 40 is pressed against the surface of the inclined surface 2 and at the same time. The rock bolt 20 and the nut 50 support the surface of the inclined surface 2 in correspondence with the fastening.

3 to 5, the rock-bolt interlocking reinforcement device for preventing the rock collapse according to the present invention 1 is formed in the inclined surface of the road side made of rock walls or rock, the rock bolt with respect to the insertion hole A rock bolt interlock reinforcement device for preventing rock collapse that prevents the rock wall or rock from collapsing according to an external impact, wherein the rock wall or rock is secured in close contact with the inner circumferential surface of the insertion hole on the tip side of the plurality of insertion holes formed on the inclined surface. Packer 10 is fixed to be installed, the through-hole 42 for fitting the end side of the lock bolt 20 is formed, the u-shaped grooves 41 are formed on both sides of the corner portion to form a wire 70 The lock bolt-linked reinforcement lower plate 40 and the through-hole 32 for penetrating the lock bolt 20 are formed, and the u-shaped groove 31 is formed at both ends of the corner to form the u-shaped groove. Wow seated at (31) Combining the rock bolt-linked reinforcement top plate 30 for pressing the air 70, coupled to the end side of the lock bolt 20 is the lock bolt-linked reinforcement bottom plate 40 and the lock bolt-linked reinforcement top plate 30 The cover 50 is formed to be in close contact with and fixed to the nut 50, and to cover the lock bolt 20 provided at the upper end of the lock bolt reinforcing upper plate 30 and the coupling portion of the nut 50 to be protected. do.

In more detail, the lock bolt-linked reinforcement top plate 30 and the lock bolt-linked reinforcement board 40 are empty inside, and the wire 70 is seated in a V shape around the lock bolt 20. It is formed by including the u-shaped grooves 31 and 41, the rock-bolt connection reinforcement for preventing rock collapse according to the present invention of Figure 10 by seating and fixing the wire 70 in the u-shaped grooves 31, 41 Looking at the state of use of the device, it has an installation angle of about 30 ~ 60 ° relative to the horizontal, preferably has a wire installation angle of about 45 °, whereby the wire 70 is rock wall, rock, Soil and the like to disperse the load due to the collapse caused by various impacts and storms, etc. It is remarkable compared to the prior art shown in FIG.

In addition, when installing and maintaining rock bolt interlock reinforcement device 1 for preventing rock collapse, the present invention is easier to replace, maintain, etc. of the wire 70 by the manpower than the conventional wire 70 is installed horizontally As it is economically advantageous, by maintaining the tension of the wire 70, so that the tension is generated strongly in the wire 70, the wire 70 by the force generated strongly rock wall or rock While being in close contact with the surface of the can be firmly supported, and prevents the space between the rock wall or rock and the like and the wire 70 to prevent the inflow of stones and the like between them.

The cover 60 has a coupling portion of the lock bolt 20 and the nut 50 so that the coupling portion of the lock bolt 20 and the nut 50 provided at the upper end of the lock bolt-linked reinforcement top plate 30 is protected. By including a fixing jaw 61 that can be coupled to the locking jaw 33 of the lock bolt-linked reinforcement top plate 30 to be protected, the lock bolt 20 and the nut 50 by the weather phenomenon such as snow, rain ) To prevent corrosion.

Hereinafter, the detailed description of the same components of the rock bolt interlocking reinforcement device for preventing rock collapse associated with Figures 3 to 5 attached will be omitted in the rock bolt linkage reinforcement for preventing rock collapse. .

The sleeve 80 has a friction with the wire 70 through the lock bolt 20 through the through holes 32 and 42 of the lock bolt-linked reinforcement top plate 30 and the lock bolt-linked reinforcement bottom plate 40. The first sleeve bearing 82 and the second sleeve bearing 83 and the sleeve 81 coupled to the first sleeve bearing 82 and the second sleeve bearing 83 are formed to prevent the first sleeve bearing 82 and the second sleeve bearing 83 from being formed.

In more detail, the sleeve 81 is coupled downward from the upper end side of the lock bolt 20, and the second sleeve bearing 83 and the first sleeve bearing 82 are attached to the outer surface of the sleeve 81. ) Is sequentially coupled downward from the upper end side of the lock bolt 20, the wire 70 in contact with the outer surface of the first, second sleeve bearings 82, 83 is the first, second sleeve bearing (82) When it is tensioned by (83) it can be smoothly pulled or released without the wear of the lock bolt 20 and the sleeve (81).

In addition, as the nut 50 coupled to the lock bolt 20 penetrating the through-hole 32 of the lock bolt-linked reinforcement top plate 30 is fastened, the sleeve 80 is coupled to the lock bolt 20. In coupling the coupling reinforcement top plate 30 to the lock bolt-linked reinforcement bottom plate 40 guides the sleeve portion 80 to be more firmly coupled.

Rebars or wires installed horizontally are subjected to rock and rockfall loads when the slope collapses, which causes sagging. Therefore, when maintaining the rock bolt linkage fixing device for preventing rock collapse, the horizontally installed rebars or wires are removed by humans. Because the economic burden is great because it must be pulled, and the falling rocks or torn wires, which prevent falling rocks, the falling rocks generated from the rocks or rocks are discharged to the outside, causing them to fall on the road and threaten vehicles and passers-by. Since the first and second sleeve bearings 82 and 83 require a quick and easy maintenance, the first and second sleeve bearings 82 have excellent friction and abrasion characteristics without abrasion of the shaft of the mating material. Since the (83) is used, it is very easy when the wire 70 is pulled or released.

Configurations shown in the embodiments and drawings described herein are only preferred embodiments of the present invention, and do not represent all of the technical spirit of the present invention, and various equivalents that may be substituted for them at the time of the present application and It should be understood that there may be variations.

Therefore, although the present invention has been described in detail with reference to the specific embodiments described, it will be apparent to those skilled in the art that various modifications and changes can be made within the scope of the technical idea of the present invention, and such modifications and modifications belong to the appended claims. It is natural.

1 is a perspective view schematically showing a conventional rock bolt installation relationship.

Figure 2 is a use state diagram schematically showing a conventional rock bolt installation relationship.

3 to 5 is an exploded perspective view, a coupling cross-sectional view and an exploded cross-sectional view of the rock bolt linkage reinforcing device for preventing rock collapse according to the present invention.

6 to 8 is an exploded perspective view, a coupling cross-sectional view and an exploded cross-sectional view of the rock bolt interlock reinforcement device for preventing rock collapse with a sleeve according to the present invention.

Figure 9 is a plan view of a wire coupled to the rock bolt-linked reinforcement plate of the rock bolt linkage reinforcement for preventing rock collapse according to the present invention.

Figure 10 is a state of use of rock bolt linkage reinforcement device for preventing rock collapse in accordance with the present invention.

                Explanation of symbols on the main parts of the drawings

1: Lock bolt connection reinforcement device 2: Sloped surface 3: Injection hose

10 packer 11 upper plate member 12 lower plate member

13, 32, 42: through hole 14: through hole 15: grouting hole

16: insertion hole 17: cylinder 20: rock bolt

30: Lock bolt connection reinforcement top plate 31, 41: U-shaped groove 33: Hanging jaw

40: Lock bolt connection reinforced board 50: Nut 60: Cover

61: jaw 70: wire 80: sleeve portion

81: sleeve 82: first sleeve bearing

83: 2nd sleeve bearing

Claims (7)

In the rock-bolt interlocking reinforcement device to form an insertion hole in the slope of the roadside made of rock walls or rock, and to fix the rock bolt to the insertion hole to prevent the rock wall or rock to collapse according to the external impact , A packer fixedly installed at the front end side of the plurality of insertion holes formed on the inclined surface and closely attached to the inner circumferential surface of the insertion hole; A rock bolt-associated reinforcement lower plate which is formed with a through hole for fitting the end side of the rock bolt, and forms a u-shaped groove at one end of the corner portion to fix the wire; A through hole for penetrating the rock bolt, and forming a u-shaped groove at one end of a corner portion to press the wire seated in the u-shaped groove; A nut coupled to an end side of the lock bolt to close and lock the lock bolt-linked reinforcement plate and the lock bolt-linked reinforcement top plate; A rock bolt collapse preventing reinforcement linkage reinforcing device, characterized in that formed; including; cover to cover the coupling portion of the lock bolt and the nut provided on the upper end of the lock bolt-linked reinforcement top plate. The method of claim 1, wherein the rock bolt-linked reinforcement top plate and the rock bolt-linked reinforcement bottom plate The interior is empty, the rock bolt linked reinforcement device for preventing rock collapse, characterized in that formed; including a; U-shaped groove is seated in a V-shape around the lock bolt. The cover of claim 1 or 2, wherein the cover which covers the coupling portion of the lock bolt and the nut provided on the upper end of the lock bolt reinforcement top plate is protected. Rock-bolt linkage reinforcement device, characterized in that formed; including; a fixing jaw that can be coupled to the locking jaw of the lock bolt reinforcement top plate to protect the coupling portion of the lock bolt and the nut. In the rock-bolt interlocking reinforcement device to form an insertion hole in the slope of the roadside made of rock walls or rock, and to fix the rock bolt to the insertion hole to prevent the rock wall or rock to collapse according to the external impact , A packer fixedly installed at the front end side of the plurality of insertion holes formed on the inclined surface and closely attached to the inner circumferential surface of the insertion hole; A rock bolt-associated reinforcement lower plate which is formed with a through hole for fitting the end side of the rock bolt, and forms a u-shaped groove at one end of the corner portion to fix the wire; A through hole for penetrating the rock bolt, and forming a u-shaped groove at one end of a corner portion to press the wire seated in the u-shaped groove; A sleeve portion for smoothly moving the wire seated in the u-shaped groove; A nut coupled to an end side of the lock bolt to close and lock the lock bolt-linked reinforcement plate and the lock bolt-linked reinforcement top plate; A rock bolt collapse preventing reinforcement linkage reinforcing device, characterized in that formed; including; cover to cover the coupling portion of the lock bolt and the nut provided on the upper end of the lock bolt-linked reinforcement top plate. The method of claim 4, wherein the sleeve portion A first sleeve bearing and a second sleeve bearing for preventing friction between wires of the rock bolts passing through the holes of the lock bolt-linked reinforcement top plate and the lock bolt-linked reinforcement bottom plate; Rock-bolt linkage reinforcement device characterized in that it comprises a; sleeve coupled to the first sleeve bearing and the second sleeve bearing. The method of claim 4 or 5, wherein the lock bolt-linked reinforced plate and the lock bolt-linked reinforced plate The interior is empty, the rock bolt linked reinforcement device for preventing rock collapse, characterized in that formed; including a; U-shaped groove is seated in a V-shape around the lock bolt. The cover of claim 6, wherein the cover which covers the coupling portion of the lock bolt and the nut provided at the upper end of the lock bolt reinforcement top plate is protected. Rock-bolt linkage reinforcement device, characterized in that formed; including; a fixing jaw that can be coupled to the locking jaw of the lock bolt reinforcement top plate to protect the coupling portion of the lock bolt and the nut.

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