CN111720147B - Orientation device for locking anchor rod - Google Patents
Orientation device for locking anchor rod Download PDFInfo
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- CN111720147B CN111720147B CN202010567175.6A CN202010567175A CN111720147B CN 111720147 B CN111720147 B CN 111720147B CN 202010567175 A CN202010567175 A CN 202010567175A CN 111720147 B CN111720147 B CN 111720147B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
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Abstract
The invention discloses a foot-locking anchor rod orienting device, wherein a lateral wall end part of a first U-shaped clamping plate and a lateral wall end part of a second U-shaped clamping plate are respectively provided with a transversely extending abutting plate, U-shaped grooves of the first U-shaped clamping plate and the second U-shaped clamping plate are respectively clamped on wing plates at the left end and the right end of a web plate of an I-shaped steel, and the abutting plate of the first U-shaped clamping plate and the abutting plate of the second U-shaped clamping plate are respectively attached to the web plate of the I-shaped steel; be provided with relative logical groove and relative lower logical groove on the relative lateral wall of first U-shaped splint and second U-shaped splint respectively, still including the backbone, the backbone supports and on first U-shaped splint and the second U-shaped splint be provided with respectively on the horizontal slide caliper rule of first U-shaped splint and the horizontal slide caliper rule of second U-shaped splint can dismantle the bracket assembly of joint with screens A, bracket assembly one side is provided with can dismantle the card portion of joint with screens B, bracket assembly still has the open-ended arc recess that makes progress.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to an orienting device of a foot locking anchor rod.
Background
Chinese patent CN109681250A discloses an installation structure of an L-shaped locking pin anchor rod, and specifically discloses: comprises a surrounding rock layer, a steel arch frame and an L-shaped locking anchor rod; the L-shaped locking pin anchor rod comprises a rod part and a tail end part which is vertical to the rod part; the regulator comprises a mounting plate, the mounting plate is fixedly connected with one side, back to the surrounding rock layer, of the steel arch frame, a rotating seat is fixedly connected onto the mounting plate, and a circle of first meshing teeth is circumferentially arranged on the upper surface of the rotating seat; the rotating seat is connected with a rotating seat, and the rotating seat is provided with a circle of second meshing teeth which are embedded with the first meshing teeth; the rotating seat is connected with the rotating seat through a bolt in a locking way; the rotating seat is fixedly connected with a welding plate; the tail end of the L-shaped lock pin anchor rod is welded and fixed with the welding plate. The invention can be suitable for the installation of the L-shaped foot-locking anchor rod at different angles.
The above patent discloses different angle installation of L-shaped foot-locking anchor rods by means of meshing gears. However, the above patents still have problems: its first meshing tooth sets up on the steel bow member, and the second meshing tooth sets up on L type stock, consequently, must insert the pole portion of lock foot stock on the country rock after the anchor rod hole of beating, just can realize the combination of first meshing tooth and second meshing tooth, just can carry out the adjustment of angle. However, when the foot-locking anchor is inserted into the anchor hole, the hole wall limits the anchor, and even if the adjusting meshing teeth rotate, the angle of the anchor can not be adjusted or the adjustable angle is limited. The above patent is not able to solve the problem that the direction or angle of the foot-locking anchor rod cannot be adjusted when the foot-locking anchor rod is inserted into the anchor rod hole.
The Chinese patent CN204691685U discloses a drilling positioning device for a lock leg anchor pipe, and particularly discloses a drilling positioning device for a lock leg anchor pipe, which is formed by manufacturing a first clamping seat and a second clamping seat by metal plates, respectively welding the two ends of a drill rod supporting bracket and the first clamping seat and the second clamping seat together by inclining to form an angle of 35-45 degrees, fastening the first clamping seat on a right wing plate of I-shaped steel, and mounting and fastening the second clamping seat on a left wing plate of the I-shaped steel; under the control action of a semicircular metal drill rod supporting bracket in the locking leg anchor pipe drilling positioning device, the air gun drill rod rotates in the locking leg anchor pipe hole, and the locking leg anchor pipe drilling positioning device can control the drill rod to swing, so that the set drilling angle is accurately positioned; meanwhile, the locking pin anchor pipe drilling positioning device is convenient and quick to install and can be used repeatedly, the investment of materials is saved, the construction time is saved, the construction progress is accelerated, and the engineering quality is guaranteed. The problem still remains in the above patent that the angle adjustment cannot be performed during the insertion process.
The Chinese patent CN209855831U discloses a lock pin anchor pipe positioning device, and specifically discloses a positioning steel ring and a movable positioning device which are respectively connected with the front flange and the rear flange of an I-steel, wherein the movable positioning device comprises a clamping part and a positioning part, the clamping part comprises two clamping seats with a U-shaped groove in the middle, a locking bolt is connected on any clamping seat, a through hole matched with the clamping seat is arranged on the other clamping seat, and the two clamping seats are connected through the locking bolt; the clamping component of the device comprises two clamping seats, the clamping seats respectively clamp two sides of the flange of the I-shaped steel when in use, and the two clamping seats are tightly pressed through a locking nut and a locking bolt, so that the clamping is firm and is not easy to fall off; the positioning barrel is rotatably connected with the limiting barrel through a rotating rod and can rotate around the limiting barrel, so that the driving inclination angle of the lock leg anchor pipe can be changed. Although the above patent provides a driving inclination angle that can adjust the lock pin anchor pipe during the construction process, there is a big problem that for the L-shaped anchor rod, after the anchor rod is introduced into the surrounding rock, the positioning cylinder can not be taken down from the anchor rod. Therefore, the waste of workpieces is caused, the end part of the L-shaped anchor rod cannot be attached to the I-shaped steel due to the limitation of the positioning cylinder, and the welding of the anchor rod and the I-shaped steel is influenced.
Disclosure of Invention
The invention aims to provide a foot-locking anchor rod orienting device which can adjust the direction and the angle in real time in the inserting process and does not influence the welding of an L-shaped anchor rod and an I-shaped steel.
In order to achieve the above object, the present invention is realized by: the foot-locking anchor rod orienting device comprises a first U-shaped clamp plate, a second U-shaped clamp plate and an I-shaped steel, wherein abutting plates extending transversely are respectively arranged at the end part of one side wall of the first U-shaped clamp plate and the end part of one side wall of the second U-shaped clamp plate, U-shaped grooves of the first U-shaped clamp plate and the second U-shaped clamp plate are respectively clamped on wing plates at the left end and the right end of a web plate of the I-shaped steel, and the abutting plates of the first U-shaped clamp plate and the second U-shaped clamp plate are respectively attached to the web plate of the I-shaped steel; the method is characterized in that: the first U-shaped clamp plate and the second U-shaped clamp plate are provided with opposite upper through grooves and opposite lower through grooves on opposite side walls respectively, the first U-shaped clamp plate and the second U-shaped clamp plate further comprise a support framework, the support framework comprises a left cross rod with a screw hole and a right cross rod with a screw rod, the screw rod on the right cross rod is matched with the screw hole on the left cross rod, a protruded center nut is fixedly connected to the outer wall of one end of the left cross rod with the screw hole, and a center screw rod perpendicular to the left cross rod is screwed in the center nut; the two support frameworks are respectively arranged at the upper through groove and the lower through groove of the first U-shaped clamp plate and the second U-shaped clamp plate, a left cross rod and a right cross rod of the support framework respectively penetrate through the upper through groove/the lower through groove to be abutted against a wing plate of the I-shaped steel, and a central screw of the support framework is abutted against the abutting plate; the transverse width of the upper half part of the resisting plate of the first U-shaped clamping plate is greater than that of the lower half part; the transverse width of the upper half part of the supporting plate of the second U-shaped clamping plate is smaller than that of the lower half part, the lower edge of the upper half part of the supporting plate of the first U-shaped clamping plate is in an inward inclined shape, the lower edge of the upper half part of the supporting plate of the second U-shaped clamping plate is in an outward inclined shape, and the edge of the supporting plate of the first U-shaped clamping plate is matched with the edge of the second U-shaped clamping plate; a central screw of the support framework arranged at the upper through groove passes through a central nut to abut against the upper half part of the abutting plate of the first U-shaped clamping plate, and a central screw of the support framework arranged at the lower through groove passes through the central nut to abut against the lower half part of the second U-shaped clamping plate; a plurality of equidistant clamping positions B are respectively arranged on the groove walls of the U-shaped grooves of the first U-shaped clamping plate and the second U-shaped clamping plate, and the bottom of the U-shaped groove of the first U-shaped clamping plate and the bottom of the U-shaped groove of the second U-shaped clamping plate are respectively provided with a transverse caliper extending outwards; be provided with the screens A that the equidistance was arranged on the horizontal slide caliper rule that sets up on the first U-shaped splint and the second U-shaped splint respectively be provided with the bracket assembly that can dismantle the joint with screens A on the horizontal slide caliper rule of first U-shaped splint and the horizontal slide caliper rule of second U-shaped splint, bracket assembly one side is provided with the card portion that can dismantle the joint with screens B, bracket assembly still has the open-ended arc recess that makes progress.
By adopting the orienting device in the mode, the inner bracket and the outer bracket are adjusted in the transverse direction and the longitudinal direction, so that the insertion angle and the position of the foot locking anchor rod can be adjusted in real time before or in the installation process. And after the locking foot bolt is inserted into the rock wall. After the foot locking anchor rod is installed in place, the left cross rod and the right cross rod of the supporting framework are adjusted, so that the sum of the width of the left cross rod and the width of the cross rod is smaller than the width between two wing plates of the I-shaped steel, and the first U-shaped clamping plate and the second U-shaped clamping plate are positioned in a separated mode. And then the upper and lower supporting frameworks are taken down, the first U-shaped clamping plate and the second U-shaped clamping plate respectively slide downwards along the two wing plates of the I-shaped steel to separate from the foot-locking anchor rod, and then the first U-shaped clamping plate and the second U-shaped clamping plate are transversely taken out, so that the foot-locking anchor rod orienting device is completely separated from the I-shaped steel. Therefore, the L-shaped foot-locking anchor rod and the I-shaped steel can be welded.
Further, the bracket assembly comprises a supporting bowl, the supporting bowl is provided with an arc-shaped groove with an upward opening, a vertical supporting frame is arranged at the bottom of the supporting bowl, and a transverse supporting frame is arranged on one side of the supporting bowl; vertical support frame includes and supports the vertical support cover that the bowl bottom linked firmly, vertical support cover has downward open-ended, vertical support frame still includes screw-nut subassembly A be provided with lead screw via hole A on the screens A, lead screw A passes via hole A and nut A spiro union to lead screw A passes stretch into behind the nut A realize the support to supporting the bowl in the opening of vertical support cover, the nut is located screens A's upper portion.
Preferably, the two opposite sides of the outer wall of the nut A are further provided with side wings extending outwards, a concave part is arranged on the clamping position A, and the side wings can be clamped in the concave part.
Furthermore, the transverse support frame comprises a transverse support sleeve fixedly connected with the support bowl and a screw rod nut component B, the screw rod nut component B comprises a screw rod B, the end part of the screw rod B is provided with a clamping part, the clamping part at one end of the screw rod B is a fin which is extended towards two ends, the fin can clamp and hold the clamping part B, the transverse support sleeve is sleeved at the other end of the screw rod B in a clearance fit mode, a nut B is screwed on the screw rod, the nut B abuts against the transverse support sleeve, and the depth of the transverse support sleeve, which is sleeved in the screw rod, can be adjusted through the relative movement of the nut and the screw rod.
Furthermore, the bottom of the transverse caliper is provided with an inclined rod supported by the flange edge of the I-shaped steel.
Furthermore, one section of the inclined rod is slidably arranged at the bottom of the I-shaped steel, a limiting part is arranged at the bottom of the I-shaped steel, and a clamping opening is formed in the other end of the inclined rod.
Preferably, the upper through groove and the lower through groove of the first U-shaped clamping plate extend to the edge of the abutting plate, and the upper through groove and the lower through groove of the second U-shaped clamping plate extend to the edge of the abutting plate; the end part of the central screw of the supporting framework arranged at the upper through groove is provided with a first convex part with the diameter smaller than that of the central screw, the first convex part is inserted into the upper through groove of the supporting plate of the first U-shaped clamping plate, the end part of the central screw of the supporting framework arranged at the lower through groove is provided with a second convex part with the diameter smaller than that of the central screw, and the second convex part is inserted into the lower through groove of the supporting plate of the second U-shaped clamping plate.
Has the advantages that:
the leg-locking anchor rod orienting device is mainly used for an L-shaped leg-locking anchor rod, can realize the oriented orientation of the leg-locking anchor rod and the real-time adjustment of the construction process, and can ensure that the orienting device does not influence the welding of the L-shaped leg-locking anchor rod and I-shaped steel. According to the foot-locking anchor rod orienting device, the first U-shaped clamping plate and the second U-shaped clamping plate are supported on a wing plate of an I-shaped steel through the supporting framework, and the first U-shaped clamping plate and the second U-shaped clamping plate are locked to a web plate of the I-shaped steel through the screw rod. And the first U-shaped clamping plate and the second U-shaped clamping plate are fixedly connected with the I-shaped steel through three-point support. In addition, the fixed connection mode of the orienting device does not need to additionally process the I-shaped steel, does not need to weld parts on the I-shaped steel, and does not need to cut or slot on the I-shaped steel. The more important effects are as follows: after the L-shaped foot-locking anchor rod is positioned, namely the foot-locking anchor rod is completely inserted into a rock wall, the orienting device is used for orienting the L-shaped foot-locking anchor rod; through the horizontal distance of shortening left horizontal pole and right horizontal pole in the supporting framework, can relieve the fixed connection between first U-shaped splint and second U-shaped splint and the I-steel. So that the first U-shaped clamping plate and the second U-shaped clamping plate can slide vertically along the wing plate of the I-shaped steel and are separated from the I-shaped steel. Then the method is applied to the next orientation of the L-shaped foot-locking anchor rod, and the reutilization is realized.
In addition, the foot locking anchor rod orienting device utilizes the two supporting bowls to support the foot locking anchor rod, and the position and the inclination of the L-shaped foot locking anchor rod inserted into the rock wall can be adjusted by adjusting the height difference of the two supporting bowls and the transverse distance of the two supporting bowls. Realize the orientation to the lock foot stock.
The orientation device saves working procedures and does not need to machine or weld the I-steel. And the orienting device can be repeatedly used for many times, so that the time and the cost are saved.
Drawings
FIG. 1 is a schematic structural view of the orienting device of the embodiment (without the bracket assembly and supporting framework installed);
FIG. 2 is a sectional view of a first U-shaped clamp plate and a second U-shaped clamp plate according to the embodiment;
FIG. 3 is a side view of a first clevis plate of an embodiment;
fig. 4 is a front view of the orienting device in the embodiment.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the claims.
Example (b): as shown in fig. 1-4, the present embodiment provides an orienting device for an L-shaped locking foot anchor.
Specifically, the foot-locking anchor rod orienting device of this embodiment includes first U-shaped splint 1, second U-shaped splint 2 and I-steel 3, first U-shaped splint one side wall tip has the first board 11 that supports that transversely stretches out, a side wall tip of second U-shaped splint has the second board 21 that supports that transversely stretches out, the U-shaped groove of first U-shaped splint and second U-shaped splint presss from both sides respectively and establishes on pterygoid lamina 32 at both ends about the web 31 of I-steel 3, the first board that supports of first U-shaped splint and the second board that supports of second U-shaped splint paste respectively with the web of I-steel. In this embodiment, the first U-shaped clip is clipped on the wing plate inside the i-steel and close to the rock wall, and the second U-shaped clip is clipped on the wing plate outside the i-steel and far away from the rock wall.
Moreover, an opposite upper through groove 4 and an opposite lower through groove 5 are respectively arranged on opposite side walls of the first U-shaped clamping plate and the second U-shaped clamping plate. The orienting device of the embodiment further comprises two supporting frameworks 6, wherein the two supporting frameworks are respectively arranged at the upper through groove and the lower through groove to support the first U-shaped clamping plate and the second U-shaped clamping plate.
More specifically, support the left horizontal pole 61 that the skeleton package has the screw and have the right horizontal pole 62 of screw rod, the screw rod on the right horizontal pole with screw on the left horizontal pole cooperatees, just fixedly connected with outstanding central nut 63 on the outer wall of the one end that has the screw of left horizontal pole, spiro union in the central nut with left horizontal pole looks vertically central screw rod 64. In this embodiment, one section that is used for connecting the right horizontal pole of left horizontal pole is the major diameter section be provided with the screw on the major diameter section, the right horizontal pole with one section that the left horizontal pole is connected be provided with screw complex screw rod. The central nut is welded at the end part of one end, facing the right cross rod, of the left cross rod, a central screw rod is screwed in the central nut, and the central screw rod is perpendicular to the left cross rod and the right cross rod.
The support frameworks in the embodiment are provided with two support frameworks which are respectively used for the upper through groove and the lower through groove. During the use, rotate right horizontal pole adjustment width for right horizontal pole passes the last logical groove of first U-shaped splint or second U-shaped splint and offsets with the pterygoid lamina of I-steel, makes left horizontal pole pass the last logical groove of second U-shaped splint or first U-shaped splint and offsets with the pterygoid lamina of I-steel. And the interference fit of left and right wing plates slightly larger than the I-steel in the width direction of the left cross rod and the right cross rod is realized. And then, mounting a central screw rod, and enabling the central screw rod to penetrate through the central nut and abut against the abutting plate of the first U-shaped clamping plate or the second U-shaped clamping plate. The supporting framework used for the lower through groove is also installed in the above mode.
As another embodiment of the present embodiment: the transverse width of the upper half part of the first abutting plate of the first U-shaped clamping plate is larger than that of the lower half part, the transverse width of the upper half part of the second abutting plate of the second U-shaped clamping plate is smaller than that of the lower half part, the lower edge of the upper half part of the first abutting plate is inclined inwards, the lower edge of the upper half part of the second abutting plate is inclined outwards, and the edge of the first abutting plate of the first U-shaped clamping plate is matched with the edge of the second abutting plate of the second U-shaped clamping plate. The central screw of the support framework arranged at the upper through groove passes through the central nut to abut against the upper half part of the first abutting plate of the first U-shaped clamping plate, and the central screw of the support framework arranged at the lower through groove passes through the central nut to abut against the lower half part of the second abutting plate of the second U-shaped clamping plate. Therefore, the first U-shaped clamping plate and the second U-shaped clamping plate can be guaranteed to be supported at three points, and can be more reliably fixed on the I-shaped steel, and displacement is avoided.
In addition, a plurality of equidistant first clamping positions B13 are arranged on the groove wall of the U-shaped groove of the first U-shaped clamping plate, and a plurality of equidistant second clamping positions B23 are arranged on the groove wall of the U-shaped groove of the second U-shaped clamping plate. The bottom of the U-shaped groove of the first U-shaped clamping plate is provided with a first transverse caliper 12 which is far away from the extension of the I-shaped steel, and the bottom of the U-shaped groove of the second U-shaped clamping plate is provided with a second transverse caliper 22 which is far away from the extension of the I-shaped steel. The first U-shaped splint are provided with the first screens A14 that the equidistance was arranged on the first horizontal slide caliper that sets up to and the second U-shaped splint are provided with the second screens A24 that the equidistance was arranged on the second horizontal slide caliper that sets up. A first bracket component 7 detachably connected with the first clamping position A is arranged on the first transverse caliper of the first U-shaped clamping plate; and a second bracket component detachably connected with the second clamping position A is arranged on the second transverse caliper of the second U-shaped clamping plate. In this embodiment, the first bracket assembly and the second bracket assembly are identical in structure and therefore will be described with the same reference numerals.
In this embodiment, first bracket component and second bracket component all include and support bowl 701, it has upward open-ended arc recess to support the bowl, the bottom of supporting the bowl is provided with vertical support frame, one side setting and the horizontal support frame of supporting the bowl. The vertical support frame comprises a vertical support sleeve 702 fixedly connected with the bottom of the support bowl, the vertical support sleeve is provided with a downward opening, the vertical support frame further comprises a screw rod nut component A, a screw rod through hole is formed in the first clamping position A and the second clamping position A, the screw rod A703 penetrates through the through hole and the nut A704 in a screwed mode, and penetrates through the nut and then penetrates into the opening of the support sleeve to support the support bowl. The nut A is positioned at the upper parts of the first clamping position A and the second clamping position A. As another embodiment of this embodiment, two opposite sides of the outer wall of the nut a are further provided with outwardly extending side wings, and the first detent a and the second detent a are provided with recesses, and the side wings can be clamped in the recesses. And the side wing is designed to be hinged with the outer wall of the nut A, so that the side wing can be separated from the concave part in the upward snapping period to be convenient to move, and can be downward snapped to clamp the concave parts of the first clamping position A and the second clamping position A to realize strong fixation when being fixed. The hinge structure with the limit function is used in the prior art, and the structure of the hinge structure is not described in detail herein.
Furthermore, the transverse support frame in this embodiment includes a transverse support sleeve 705 fixedly connected to the support bowl, and a screw rod nut assembly B including a screw rod B706 having a clamping portion at an end thereof, where the clamping portion is a wing extending to two ends, and the wing can clamp the first clamping portion B and the second clamping portion B. And a nut B707 is screwed on the screw rod B, and the nut is abutted to the support sleeve. The supporting sleeve is sleeved at the other end of the screw rod in a clearance fit mode, the depth of the transverse supporting sleeve sleeved into the screw rod is adjusted through relative movement of the nut and the screw rod, and finally the transverse distance between the supporting bowl and the I-shaped steel is adjusted.
By adopting the foot locking anchor rod orienting device of the embodiment, the positioning device is fixedly arranged on the I-shaped steel according to the driving position of the foot locking anchor rod. First, the first U-shaped clamping plate and the second U-shaped clamping plate are clamped on the I-shaped steel, and the edge of a first abutting plate of the first U-shaped clamping plate is ensured to be matched with the edge of a second abutting plate of the second U-shaped clamping plate. And then, the first U-shaped clamping plate and the second U-shaped clamping plate are fixedly arranged on the I-shaped steel respectively by adopting two supporting frameworks. Then, the first bracket component and the second bracket component are installed, and the relative positions of the first bracket component and the second bracket component are adjusted to ensure the preset inclination and height. The guide effect on the foot locking anchor rod is realized. In the process of driving the locking foot anchor rod, if deviation of position or angle occurs, the position of the locking foot anchor rod can be corrected by adjusting the positions of the first bracket and the second bracket simultaneously or adjusting the position of one bracket independently. When the bracket is adjusted, the distance between the bracket and the I-steel can be adjusted by the vertical support frame, the vertical support frame is separated from the vertical support sleeve by adjusting the screw A of the vertical support frame, then the position of the screw A is changed, and the vertical support sleeve is sleeved on the vertical support frame, so that the adjustment of the transverse distance of the bracket is realized; meanwhile, the height of the bracket can be adjusted by adjusting the depth of the screw A inserted into the clamping position A. The height of the bracket can be adjusted by the transverse support frame, the screw rod B is more deeply inserted into the transverse support sleeve by adjusting the nut B, then the clamping part of the screw rod B is separated from the clamping position B, then the bracket is lifted upwards or descended downwards, and the screw rod is adjusted to a proper height. Then the screw rod extends out of the transverse supporting sleeve through the nut B, and the clamping part of the screw rod hoops the clamping part B; meanwhile, the distance between the bracket and the I-shaped steel can be adjusted by adjusting the depth and the amount of the screw rod B inserted into the transverse supporting sleeve.
After the L-shaped foot-locking anchor rod is completely inserted into the rock wall, the left cross rod and the right cross rod of the supporting framework are adjusted, so that the sum of the width of the left cross rod and the width between the two wing plates of the I-shaped steel is smaller than that of the cross rod, the first U-shaped clamping plate and the second U-shaped clamping plate are positioned in a separated mode, and then the upper supporting framework and the lower supporting framework are taken out. And the first U-shaped clamp plate and the second U-shaped clamp plate respectively slide downwards along the two wing plates of the I-shaped steel to separate from the foot-locking anchor rod, and then the first U-shaped clamp plate and the second U-shaped clamp plate are transversely taken out, so that the foot-locking anchor rod orienting device is completely separated from the I-shaped steel. Therefore, the L-shaped foot-locking anchor rod and the I-shaped steel can be welded.
As another implementation manner in this embodiment, the bottom of each of the first and second lateral calipers is provided with an inclined rod supported by the flange edge of the i-steel. One end of the inclined rod is slidably arranged at the bottom of the I-shaped steel, a limiting part is arranged at the bottom of the I-shaped steel, and a clamping opening is formed in the other end of the inclined rod. Particularly, first horizontal slide caliper rule bottom and the horizontal slide caliper rule bottom of second are provided with the slide of shape of falling T, one section of down tube have with slide matched with slide hole, just one section of keeping away from the I-steel of T shape slide has the dead point, and the other end of down tube has the centre gripping mouth, the centre gripping mouth is used for pressing from both sides the pterygoid lamina edge of establishing the I-steel.
As another implementation manner of this embodiment, the upper through groove and the lower through groove of the first U-shaped clamping plate both extend to the edge of the first resisting plate thereof, and the upper through groove and the lower through groove of the second U-shaped clamping plate both extend to the edge of the second resisting plate thereof; the end part of the central screw rod of the support framework arranged at the upper through groove is provided with a first convex part with the diameter smaller than that of the central screw rod, the first convex part is inserted into the upper through groove of the supporting plate of the first U-shaped clamping plate, and the screw rod around the first convex part forms a step to limit the first supporting plate. The end part of the central screw rod of the support framework arranged at the lower through groove is provided with a second convex part with the diameter smaller than that of the central screw rod, the second convex part is inserted into the lower through groove of the supporting plate of the second U-shaped clamping plate, and the screw rod around the second convex part forms a step to limit the first supporting plate.
The leg locking anchor rod orienting device of this embodiment, mainly used L shape leg locking anchor rod can enough realize the directional direction of leg locking anchor rod and the real-time adjustment of work progress, can also guarantee that orienting device does not influence the welding of L shape leg locking anchor rod and I-steel. In the foot-locking anchor rod orienting device in the embodiment, the first U-shaped clamping plate and the second U-shaped clamping plate are supported on a wing plate of the I-shaped steel through the supporting framework, and the first U-shaped clamping plate and the second U-shaped clamping plate are locked on a web plate of the I-shaped steel through the screw rod. And the first U-shaped clamping plate and the second U-shaped clamping plate are fixedly connected with the I-shaped steel through three-point support. In addition, the fixed connection mode of the orienting device does not need to additionally process the I-shaped steel, does not need to weld parts on the I-shaped steel, and does not need to cut or slot on the I-shaped steel. The more important effects are as follows: the orientation device of the embodiment is after the positioning of the L-shaped foot-locking anchor rod is completed, that is, after the foot-locking anchor rod is completely inserted into the rock wall; the fixed connection relation between the first U-shaped clamp plate and the second U-shaped clamp plate and the I-shaped steel can be removed by shortening the transverse distance between the left cross rod and the right cross rod in the supporting framework. So that the first U-shaped clamping plate and the second U-shaped clamping plate can slide vertically along the wing plate of the I-shaped steel and are separated from the I-shaped steel. Then the method is applied to the next orientation of the L-shaped foot-locking anchor rod, and the reutilization is realized.
In addition, the orientation device for the foot-locking anchor rod in the embodiment supports the foot-locking anchor rod by utilizing the two supporting bowls, and can adjust the position and the inclination of the L-shaped foot-locking anchor rod inserted into the rock wall by adjusting the height difference of the two supporting bowls and the transverse distance of the two supporting bowls, so as to realize the orientation of the foot-locking anchor rod. The orientation device of the embodiment saves working procedures and does not need to machine or weld the I-steel. And the orienting device can be repeatedly used for many times, so that the time and the cost are saved.
Claims (4)
1. The foot-locking anchor rod orienting device comprises a first U-shaped clamp plate, a second U-shaped clamp plate and an I-shaped steel, wherein abutting plates extending transversely are respectively arranged at the end part of one side wall of the first U-shaped clamp plate and the end part of one side wall of the second U-shaped clamp plate, U-shaped grooves of the first U-shaped clamp plate and the second U-shaped clamp plate are respectively clamped on wing plates at the left end and the right end of a web plate of the I-shaped steel, and the abutting plates of the first U-shaped clamp plate and the second U-shaped clamp plate are respectively attached to the web plate of the I-shaped steel; the method is characterized in that: the opposite side walls of the first U-shaped clamping plate and the second U-shaped clamping plate are respectively provided with an opposite upper through groove and an opposite lower through groove,
the supporting framework comprises a left cross rod with a screw hole and a right cross rod with a screw rod, the screw rod on the right cross rod is matched with the screw hole on the left cross rod, a protruded center nut is fixedly connected to the outer wall of one end, with the screw hole, of the left cross rod, and a center screw rod perpendicular to the left cross rod is screwed in the center nut; the two support frameworks are respectively arranged at the upper through groove and the lower through groove of the first U-shaped clamp plate and the second U-shaped clamp plate, a left cross rod and a right cross rod of the support framework respectively penetrate through the upper through groove/the lower through groove to be abutted against a wing plate of the I-shaped steel, and a central screw of the support framework is abutted against the abutting plate;
the transverse width of the upper half part of the resisting plate of the first U-shaped clamping plate is greater than that of the lower half part; the transverse width of the upper half part of the supporting plate of the second U-shaped clamping plate is smaller than that of the lower half part, the lower edge of the upper half part of the supporting plate of the first U-shaped clamping plate is in an inward inclined shape, the lower edge of the upper half part of the supporting plate of the second U-shaped clamping plate is in an outward inclined shape, and the edge of the supporting plate of the first U-shaped clamping plate is matched with the edge of the second U-shaped clamping plate; a central screw of the support framework arranged at the upper through groove passes through a central nut to abut against the upper half part of the abutting plate of the first U-shaped clamping plate, and a central screw of the support framework arranged at the lower through groove passes through the central nut to abut against the lower half part of the second U-shaped clamping plate;
a plurality of equidistant clamping positions B are respectively arranged on the groove walls of the U-shaped grooves of the first U-shaped clamping plate and the second U-shaped clamping plate, and the bottom of the U-shaped groove of the first U-shaped clamping plate and the bottom of the U-shaped groove of the second U-shaped clamping plate are respectively provided with a transverse caliper extending outwards; the device comprises a first U-shaped clamping plate, a second U-shaped clamping plate, a first clamping plate, a second clamping plate and a bracket assembly, wherein clamping positions A which are arranged at equal intervals are respectively arranged on a transverse caliper arranged on the first U-shaped clamping plate and a transverse caliper arranged on the second U-shaped clamping plate;
the bracket assembly comprises a supporting bowl, the supporting bowl is provided with an arc-shaped groove with an upward opening, a vertical supporting frame is arranged at the bottom of the supporting bowl, and a transverse supporting frame is arranged on one side of the supporting bowl; the vertical support frame comprises a vertical support sleeve fixedly connected with the bottom of a support bowl, the vertical support sleeve is provided with a downward opening, the vertical support frame also comprises a screw rod nut component A, a screw rod through hole A is formed in the clamping position A, the screw rod A penetrates through the through hole A and is in threaded connection with a nut A, the screw rod A penetrates through the nut A and then extends into the opening of the vertical support sleeve to realize support of the support bowl, and the nut A is positioned on the upper portion of the clamping position A;
the relative both sides of nut A outer wall still are provided with the flank that outwards stretches out, be provided with the concave part on the screens A, the flank can the clamp be in the concave part.
2. The lock foot anchor rod orienting device of claim 1 wherein: the transverse support frame comprises a transverse support sleeve fixedly connected with the support bowl and a screw nut component B, the screw nut component B comprises a screw rod B, the end part of the screw rod B is provided with a clamping part, the clamping part at one end of the screw rod B is a fin which is extended towards two ends, the fin can clamp and hold the clamping part B, the transverse support sleeve is sleeved at the other end of the screw rod B in a clearance fit manner, a nut B is screwed on the screw rod B and abuts against the transverse support sleeve, and the depth of the transverse support sleeve for sleeving the screw rod B is adjusted through the relative movement of the nut B and the screw rod B.
3. The lock foot anchor rod orienting device of claim 2 wherein: and an inclined rod supported by the flange edge of the I-shaped steel is arranged at the bottom of the transverse caliper.
4. A lock pin bolt orientation device according to claim 1, 2 or 3, wherein: the upper through groove and the lower through groove of the first U-shaped clamping plate extend to the edge of the supporting plate, and the upper through groove and the lower through groove of the second U-shaped clamping plate extend to the edge of the supporting plate; the end part of the central screw of the supporting framework arranged at the upper through groove is provided with a first convex part with the diameter smaller than that of the central screw, the first convex part is inserted into the upper through groove of the supporting plate of the first U-shaped clamping plate, the end part of the central screw of the supporting framework arranged at the lower through groove is provided with a second convex part with the diameter smaller than that of the central screw, and the second convex part is inserted into the lower through groove of the supporting plate of the second U-shaped clamping plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010567175.6A CN111720147B (en) | 2020-06-19 | 2020-06-19 | Orientation device for locking anchor rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010567175.6A CN111720147B (en) | 2020-06-19 | 2020-06-19 | Orientation device for locking anchor rod |
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| CN111720147A CN111720147A (en) | 2020-09-29 |
| CN111720147B true CN111720147B (en) | 2021-07-30 |
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| CN202010567175.6A Active CN111720147B (en) | 2020-06-19 | 2020-06-19 | Orientation device for locking anchor rod |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113482671B (en) * | 2021-08-24 | 2024-03-15 | 兰州交通大学 | Construction method for restraining tunnel primary support sinking based on step method excavation |
| CN114991824B (en) * | 2022-08-08 | 2023-04-11 | 中铁九局集团第七工程有限公司 | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method |
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