CN214196328U - Supporting construction for tunnel country rock with from anchor function - Google Patents

Abstract

The utility model discloses a supporting construction for tunnel country rock with from anchor function, including the arc roof, link mechanism, strengthening mechanism, from anchor mechanism, the bottom of arc roof is equipped with the diaphragm of transversely placing, the diaphragm passes through link mechanism and is connected with the arc roof, the bottom surface both sides of diaphragm are equipped with the curb plate of a pair of vertical symmetry rigid coupling, and the underrun strengthening mechanism and two blocks of curb plates of diaphragm are connected, a plurality of through-holes have all transversely been seted up to the inside side of every curb plate, all insert in every through-hole and be equipped with the solid fixed cylinder, the equal dark of the inner end of every solid fixed cylinder is inserted and is established in the tunnel inner wall, and all be equipped with from anchor mechanism in every solid fixed cylinder. The utility model discloses a cooperation of each mechanism is used, has solved the yielding problem in tunnel country rock top and both sides, and the convenience is dismantled in the installation of overall design structure, has increased the stability of tunnel country rock, has improved the security of using.

Description

Supporting construction for tunnel country rock with from anchor function

Technical Field

The utility model relates to a tunnel country rock supports technical field, especially relates to tunnel country rock supporting construction with from anchor function.

Background

With the continuous advance of resource exploitation to deep parts at home and abroad, the surrounding rock conditions of the roadway are more complicated, and the difficulty of surrounding rock control is gradually increased. Research shows that the deep tunnel pressure coming direction is mostly expressed as the pressure coming all around, not only the top plate and the two sides are obviously deformed and damaged, but also the bottom plate is strongly deformed and damaged, so that the problem of deep tunnel surrounding rock control is frequently caused.

The existing roadway has the defects of complex structure, inconvenient use, unreasonable structure, poor safety performance, low economy and the like aiming at surrounding rock support.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the tunnel is supporting construction for surrounding rock who proposes to have from the anchor function.

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

supporting construction is used to tunnel country rock with from anchor function, including arc roof, link mechanism, strengthening mechanism, from anchor mechanism, the arc roof level is horizontal to tightly at tunnel inner wall top, the bottom of arc roof is equipped with the horizontal diaphragm of placing, the diaphragm passes through link mechanism and is connected with the arc roof, the bottom surface both sides of diaphragm are equipped with the curb plate of a pair of vertical symmetry rigid coupling, two the lateral surface of curb plate all supports tightly in tunnel inner wall both sides, just the underrun strengthening mechanism and two blocks of curb plate of diaphragm are connected, every a plurality of through-holes, every are all transversely seted up to the medial surface of curb plate in the through-hole, every it is equipped with the solid fixed cylinder, every all to insert deeply in the tunnel inner wall, and every all be equipped with from anchor mechanism in the solid fixed cylinder.

Preferably, link mechanism includes montant, first connecting rod, second connecting rod, the bottom both ends of arc roof are equipped with a pair of screwed connection's bolt, every the bottom of bolt all with the top surface one end screwed connection of diaphragm, the top surface middle part of diaphragm is equipped with activity articulated montant, top surface middle part activity hinge joint in the top of montant and the arc roof, the middle part of montant is equipped with a pair of activity articulated first connecting rod, every the bottom of first connecting rod all with the top surface activity hinge joint of diaphragm, every the middle part of first connecting rod all is equipped with activity articulated second connecting rod, every the top of second connecting rod all with the top surface activity hinge joint in the arc roof.

Preferably, the reinforcing mechanism includes gusset plate, anchor strut, the bottom surface middle part of diaphragm is equipped with the gusset plate, and the both sides that are located the gusset plate are equipped with a pair of T shape slide rail in the bottom surface of diaphragm, every all block has sliding connection's U-shaped slider on the T shape slide rail, every the bottom surface of U-shaped slider all is equipped with activity articulated anchor strut, every the bottom of anchor strut all with the medial surface top activity hinge joint of the curb plate that corresponds.

Preferably, the bottom of gusset plate is equipped with the slide opening that transversely link up, the slide opening middle part is equipped with fixed spring, fixed spring's both ends are equipped with a pair of slide bars that slide and run through the slide opening, every the outer end of slide bar all with the U-shaped slider rigid coupling that corresponds.

Preferably, include the threaded rod, from stock, barb from anchor mechanism, the outer end is equipped with the screw ring in the solid fixed cylinder, the threaded rod that the spiral runs through is equipped with to the internal interpolation of screw ring, the outer end of threaded rod is equipped with the handle, the inner end of threaded rod is inserted and is established on the bearing frame, the inboard side of bearing frame is equipped with from the stock, evenly be equipped with a plurality of slant articulated barbs from the upper and lower both sides of stock, be located the position that every barb corresponds and all be equipped with the inclined hole on the solid fixed cylinder, every the outer end of barb all runs through the inclined hole that corresponds and deepens to the tunnel country rock in, and every the bottom of barb and all be equipped with miniature spring from between the stock.

Preferably, the bottom of the inner side surface of the side plate is provided with a fixing rod which is movably hinged, the bottom end of the fixing rod is movably hinged with the middle of the top surface of the T-shaped seat, two sides of the top surface of the T-shaped seat are provided with a pair of T-shaped pins which penetrate through the T-shaped seat, and the bottom end of each T-shaped pin is deeply inserted into the ground in the roadway.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the arc-shaped top plate horizontally and transversely abuts against the top of the inner wall of the roadway through the matching of the connecting rod mechanisms, two ends of the bottom of the arc-shaped top plate are connected with the transverse plate through a pair of bolts, the middle part of the top surface of the transverse plate is connected with the middle part of the inner top surface of the arc-shaped top plate through a vertical rod, the middle part of the vertical rod is connected with the transverse plate through a pair of first connecting rods, and the middle part of each first connecting rod is connected with the arc-shaped top plate through a second connecting rod, so that the connection stability between the arc-shaped top plate and the transverse plate is improved;

2. through the matching use of the self-anchoring mechanism, the threaded rod is rotated through the handle to be matched with the threaded ring to move outwards, the self-anchoring rod is driven to pull outwards through the bearing seat, and the outer ends of the barbs are driven to penetrate through the corresponding inclined holes and penetrate into the surrounding rock of the roadway, so that the stability between the side plate and the inner wall of the roadway is improved;

to sum up, the utility model discloses a cooperation of each mechanism is used, has solved the yielding problem in tunnel country rock top and both sides, and the overall design structure installation dismantles conveniently, has increased the stability of tunnel country rock, has improved the security of using.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

fig. 3 is a schematic view of the self-anchoring mechanism of the present invention;

fig. 4 is an enlarged view of a point a in fig. 2 according to the present invention;

number in the figure: the device comprises an arc-shaped top plate 1, a vertical rod 11, a first connecting rod 12, a second connecting rod 13, a reinforcing plate 14, a fixing spring 15, a sliding rod 16, a T-shaped sliding rail 17, a U-shaped sliding block 18, a reinforcing rod 19, a transverse plate 2, a side plate 21, a T-shaped seat 22, a T-shaped pin 23, a fixing rod 24, a fixing barrel 25, a threaded ring 26, a threaded rod 27, a bearing seat 28, a self-anchoring rod 29, a barb 210 and a handle 211.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1: in order to solve the problem that the top and both sides of the surrounding rock of the roadway are easy to deform, the embodiment provides a supporting structure for the surrounding rock of the roadway with a self-anchoring function, see fig. 1-4, which comprises an arc-shaped top plate 1, a link mechanism, a reinforcing mechanism and a self-anchoring mechanism, wherein the arc-shaped top plate 1 horizontally and transversely abuts against the top of the inner wall of the roadway, a transverse plate 2 transversely placed is arranged at the bottom of the arc-shaped top plate 1, the transverse plate 2 is connected with the arc-shaped top plate 1 through the link mechanism, a pair of side plates 21 vertically and symmetrically fixedly connected are arranged at both sides of the bottom surface of the transverse plate 2, the outer side surfaces of the two side plates 21 abut against both sides of the inner wall of the roadway, the bottom surface of the transverse plate 2 is connected with the two side plates 21 through the reinforcing mechanism, a plurality of through holes are transversely arranged on the inner side surface of each side plate 21, a, and a self-anchoring mechanism is arranged in each fixed cylinder 25.

In the utility model, the link mechanism includes a vertical rod 11, a first link 12 and a second link 13, a pair of screw-connected bolts are arranged at two ends of the bottom of the arc-shaped roof 1, the bottom end of each bolt is screw-connected with one end of the top surface of the transverse plate 2, the middle part of the top surface of the transverse plate 2 is provided with the movably hinged vertical rod 11, the top end of the vertical rod 11 is movably hinged with the middle part of the inner top surface of the arc-shaped roof 1, the middle part of the vertical rod 11 is provided with the pair of movably hinged first links 12, the bottom end of each first link 12 is movably hinged with the top surface of the transverse plate 2, the middle part of each first link 12 is provided with the movably hinged second link 13, and the top end of each second link 13 is movably hinged with the inner top surface of the arc-shaped roof 1; the connecting rod mechanism is matched for use, the arc-shaped top plate 1 horizontally and transversely abuts against the top of the inner wall of the roadway, two ends of the bottom of the arc-shaped top plate 1 are connected with the transverse plate 2 through a pair of bolts, the middle of the top surface of the transverse plate 2 is connected with the middle of the inner top surface of the arc-shaped top plate 1 through the vertical rod 11, the middle of the vertical rod 11 is connected with the transverse plate 2 through the pair of first connecting rods 12, the middle of each first connecting rod 12 is connected with the arc-shaped top plate 1 through the second connecting rod 13, and the stability of connection between the arc-shaped top plate 1 and the transverse plate 2 is improved.

In the utility model, the reinforcing mechanism comprises a reinforcing plate 14 and reinforcing rods 19, the reinforcing plate 14 is arranged in the middle of the bottom surface of the transverse plate 2, a pair of T-shaped slide rails 17 are arranged on the bottom surface of the transverse plate 2 and positioned on both sides of the reinforcing plate 14, a U-shaped slide block 18 in sliding connection is clamped on each T-shaped slide rail 17, the reinforcing rods 19 movably hinged to the bottom surface of each U-shaped slide block 18 are arranged on the bottom surface of each U-shaped slide block 18, and the bottom end of each reinforcing rod 19 is movably hinged to the tops of the inner side surfaces of the corresponding side plates 21; the bottom of the reinforcing plate 14 is provided with a transversely through sliding hole, the middle of the sliding hole is provided with a fixed spring 15, two ends of the fixed spring 15 are provided with a pair of sliding rods 16 which slidably penetrate through the sliding hole, and the outer end of each sliding rod 16 is fixedly connected with a corresponding U-shaped sliding block 18; through the cooperation of the reinforcing mechanism, under the tension action of the fixed spring 15, the two slide bars 16 are driven to slide outwards along the slide holes, the U-shaped slide block 18 is pushed to slide along the T-shaped slide rail 17, the reinforcing plate 19 is driven to be hinged and abutted against the top of the inner side face of the corresponding side plate 21, and therefore the stability between the transverse plate 2 and the top of the side plate 21 is improved.

The utility model discloses in, the self-anchoring mechanism includes threaded rod 27, from stock 29, barb 210, the fixed cylinder 25 inside and outside end is equipped with threaded ring 26, threaded rod 27 that the spiral runs through is inserted in threaded ring 26, the outer end of threaded rod 27 is equipped with handle 211, the inner end of threaded rod 27 is inserted and is established on bearing frame 28, the inside of bearing frame 28 is equipped with from stock 29, evenly be equipped with a plurality of slant articulated barbs 210 from the upper and lower both sides of stock 29, be located the position that every barb 210 corresponds and all be equipped with the inclined hole on fixed cylinder 25, every the outer end of barb 210 all runs through corresponding inclined hole and go deep into to the tunnel country rock, and every all be equipped with miniature spring between the bottom of barb 210 and the self-anchoring rod 29; through the cooperation use from anchor mechanism, rotate threaded rod 27 cooperation screw ring 26 through handle 211 and outwards remove, drive from stock 29 through bearing frame 28 and outwards stimulate, drive the inclined hole that corresponds and go deep into to the tunnel country rock in the outer end of barb 210 all runs through to stability between curb plate 21 and the tunnel inner wall has been increased.

In the utility model, the bottom of the inner side surface of the side plate 21 is provided with a movably hinged fixed rod 24, the bottom end of the fixed rod 24 is movably hinged with the middle part of the top surface of the T-shaped seat 22, two sides of the top surface of the T-shaped seat 22 are provided with a pair of T-shaped pins 23 which are inserted through, and the bottom end of each T-shaped pin 23 is deeply inserted into the ground in the roadway; the bottom of the inner side face of the side plate 21 is connected with the middle of the top face of the T-shaped seat 22 through the fixing rod 24, the bottom ends of a pair of T-shaped pins 23 on two sides of the top face of the T-shaped seat 22 are deeply inserted into the ground in a roadway, and the stability of connection between the bottom of the side plate 21 and the ground is improved.

Example 2: the utility model discloses when specifically using, its operating procedure is as follows:

step one, the arc-shaped top plate 1 horizontally and transversely abuts against the top of the inner wall of the roadway through the matching of a connecting rod mechanism, two ends of the bottom of the arc-shaped top plate 1 are connected with the transverse plate 2 through a pair of bolts, the middle of the top surface of the transverse plate 2 is connected with the middle of the inner top surface of the arc-shaped top plate 1 through a vertical rod 11, the middle of the vertical rod 11 is connected with the transverse plate 2 through a pair of first connecting rods 12, the middle of each first connecting rod 12 is connected with the arc-shaped top plate 1 through a second connecting rod 13, and the stability of connection between the arc-shaped top plate 1 and the transverse plate 2 is improved;

secondly, the reinforcing mechanism is matched, under the tension action of the fixed spring 15, the two sliding rods 16 are driven to slide outwards along the sliding holes, the U-shaped sliding block 18 is pushed to slide along the T-shaped sliding rail 17, and the reinforcing plate 19 is driven to be hinged and abutted against the top of the inner side face of the corresponding side plate 21, so that the stability between the transverse plate 2 and the top of the side plate 21 is improved;

thirdly, the handle 211 is used in a matched mode, the threaded rod 27 is rotated through the handle 211 and matched with the threaded ring 26 to move outwards, the anchor rod 29 is driven to be pulled outwards through the bearing seat 28, the outer ends of the barbs 210 are driven to penetrate through the corresponding inclined holes and penetrate into the surrounding rock of the roadway, and therefore stability between the side plate 21 and the inner wall of the roadway is improved;

and fourthly, the bottom of the inner side surface of the side plate 21 is connected with the middle part of the top surface of the T-shaped seat 22 through the fixing rod 24, the bottom ends of a pair of T-shaped pins 23 on two sides of the top surface of the T-shaped seat 22 are deeply inserted into the ground in the roadway, and the stability of connection between the bottom of the side plate 21 and the ground is improved.

The utility model discloses a cooperation of each mechanism is used, has solved the yielding problem in tunnel country rock top and both sides, and the convenience is dismantled in the installation of overall design structure, has increased the stability of tunnel country rock, has improved the security of using.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Supporting construction is used to tunnel country rock with from anchor function, include arc roof (1), link mechanism, strengthening mechanism, from anchor mechanism, its characterized in that: arc roof (1) level is transversely supported tightly at tunnel inner wall top, the bottom of arc roof (1) is equipped with horizontal diaphragm (2) of placing, diaphragm (2) are connected with arc roof (1) through link mechanism, the bottom surface both sides of diaphragm (2) are equipped with curb plate (21) of a pair of vertical symmetry rigid coupling, two the lateral surface of curb plate (21) all supports tightly in tunnel inner wall both sides, just the underrun strengthening mechanism of diaphragm (2) is connected with two curb plates (21), every a plurality of through-holes have all transversely been seted up to the inboard face of curb plate (21), every all insert in the through-hole and be equipped with solid fixed cylinder (25), every the inner end of solid fixed cylinder (25) is all deeply inserted and is established in tunnel inner wall, and every all be equipped with from anchor mechanism in solid fixed cylinder (25).

2. The supporting structure for roadway surrounding rock having a self-anchoring function according to claim 1, characterized in that: the connecting rod mechanism comprises a vertical rod (11), a first connecting rod (12) and a second connecting rod (13), wherein a pair of screw connection bolts are arranged at two ends of the bottom of the arc-shaped top plate (1) and are connected with one end of the top surface of the transverse plate (2) in a screw mode, the bottom end of each bolt is connected with one end of the top surface of the transverse plate (2) in a screw mode, each screw connection bolt is arranged at the bottom end of each bolt, the top surface of each transverse plate (2) is hinged to the middle of the top surface of the arc-shaped top plate (1) in a movable mode, a pair of first connecting rods (12) are arranged at the middle of each vertical rod (11) in a movable mode, each bottom end of each first connecting rod (12) is hinged to the top surface of the transverse plate (2) in a movable mode, each first connecting rod (12) is arranged at the middle of each first connecting rod (13) in a movable mode, and each second connecting rod (13) is hinged to the top end of each second connecting rod (13) in a movable mode.

3. The supporting structure for roadway surrounding rock having a self-anchoring function according to claim 1, characterized in that: reinforcing mechanism includes reinforcing plate (14), reinforcing rod (19), the bottom surface middle part of diaphragm (2) is equipped with reinforcing plate (14), and the both sides that are located reinforcing plate (14) are equipped with a pair of T shape slide rail (17) in the bottom surface of diaphragm (2), every all block has sliding connection's U-shaped slider (18), every on T shape slide rail (17) the bottom surface of U-shaped slider (18) all is equipped with movable hinge's reinforcing rod (19), every the bottom of reinforcing rod (19) all with the medial surface top activity hinge of the curb plate (21) that corresponds.

4. The supporting structure for roadway surrounding rock having a self-anchoring function according to claim 3, characterized in that: the bottom of gusset plate (14) is equipped with the slide opening that transversely link up, the slide opening middle part is equipped with fixed spring (15), the both ends of fixed spring (15) are equipped with a pair of slide bar (16) that slide and run through the slide opening, every the outer end of slide bar (16) all with the U-shaped slider (18) rigid coupling that corresponds.

5. The supporting structure for roadway surrounding rock having a self-anchoring function according to claim 1, characterized in that: from anchor mechanism include threaded rod (27), from stock (29), barb (210), the inner and outer end is equipped with threaded ring (26) in solid fixed cylinder (25), threaded ring (26) interpolation is equipped with threaded rod (27) that the spiral runs through, the outer end of threaded rod (27) is equipped with handle (211), the inner end of threaded rod (27) is inserted and is established on bearing frame (28), the inboard side of bearing frame (28) is equipped with from stock (29), evenly be equipped with a plurality of slant articulated barb (210) from the upper and lower both sides of stock (29), be located the position that every barb (210) correspond and all be equipped with the inclined hole on solid fixed cylinder (25), every the outer end of barb (210) all runs through the inclined hole that corresponds and deepens to the tunnel country rock in, and every the bottom of barb (210) and all be equipped with miniature spring from between stock (29).

6. The supporting structure for roadway surrounding rock having a self-anchoring function according to claim 1, characterized in that: the bottom of the inner side face of the side plate (21) is provided with a fixing rod (24) in a movable hinge joint mode, the bottom end of the fixing rod (24) is movably hinged to the middle of the top face of the T-shaped seat (22), a pair of T-shaped pins (23) penetrating through and inserting are arranged on two sides of the top face of the T-shaped seat (22), and each T-shaped pin (23) is deeply inserted into the ground in a roadway.

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