Guiding and positioning device for feet-lock bolt

Abstract

The utility model discloses a guiding and positioning device for a feet-lock bolt. The feet-lock bolt guiding and positioning device comprises a fixing device, at least two locking pieces and a guiding device, the fixing device comprises a first fixing plate and a second fixing plate which are symmetrically arranged, the first fixing plate and the second fixing plate are arranged in parallel in a spaced mode, and the first fixing plate and the second fixing plate are detachably connected; the locking piece can be connected with the first fixing plate and the second fixing plate at the same time so as to lock the distance between the first fixing plate and the second fixing plate. The guiding device comprises a first guiding piece and a second guiding piece, the first guiding piece is connected with the first fixing plate, and the second guiding piece is connected with the second fixing plate. The feet-lock bolt guiding and positioning device is simple in structure, easy to install, stable in connection, good in stability in the using process, convenient to disassemble and assemble and capable of guaranteeing safety and reliability of an arch frame.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, in particular to a locking foot anchor rod guiding and positioning device. Background Art

[0002] In tunnel construction, when encountering soft surrounding rock sections, due to unstable strata, tunnel support equipment is required to ensure good bonding between the anchor pipe and the rock mass, increase the firmness of the support structure, improve the overall stability of the soft rock tunnel, reduce the risk of accidents such as initial support cracking and tunnel collapse during construction, and ensure the safety of construction personnel and equipment. A defect of a snap-on locking foot anchor pipe guiding and positioning device in the prior art is that the pulley installation has poor stability. Utility Model Content

[0003] The embodiment of the utility model provides a locking foot anchor rod guiding and positioning device, which solves the problem of poor stability of the locking foot anchor rod guiding and positioning device.

[0004] An embodiment of the utility model provides a locking foot anchor rod guiding and positioning device, including a fixing device, at least two locking members, and a guiding device, wherein the fixing device includes a first fixing plate and a second fixing plate that are symmetrically arranged, the first fixing plate and the second fixing plate are arranged in parallel and spaced apart, and the first fixing plate and the second fixing plate are detachably connected; the locking member can simultaneously connect the first fixing plate and the second fixing plate to lock the distance between the first fixing plate and the second fixing plate; the guiding device includes a first guiding member and a second guiding member, the first guiding member is connected to the first fixing plate, and the second guiding member is connected to the second fixing plate.

[0005] According to the locking foot anchor rod guiding and positioning device of the embodiment of the utility model, a fixing device is used to cooperate with the I-beam arch frame, and the locking piece firmly clamps the first fixing plate and the second fixing plate of the fixing device on both sides of the I-beam arch frame, so that the locking foot anchor rod guiding and positioning device is tightly connected to the I-beam arch frame to prevent the tunnel arch foot from shrinking and the arch frame from falling. The structure is simple and easy to install, the connection is firm, the stability is good during use, and it is easy to disassemble and assemble. The locking foot anchor rod is welded to the I-beam, and the locking foot anchor rod is close to both sides of the I-beam to form a U-shaped structure. When drilling, the guiding device fixes the locking foot anchor rod, and the drilling spacing of the locking foot anchor rod is not easy to deviate from the sides of the I-beam.

[0006] According to the aforementioned embodiment of the utility model, the first fixing plate includes at least two first connecting parts, the second fixing plate includes at least two second connecting parts, the at least two first connecting parts are arranged correspondingly to the at least two second connecting parts, and the locking member can simultaneously connect the first connecting part and the second connecting part. The first connecting part is fixedly connected to the first fixing plate, and the first fixing plate is fixedly connected to the second fixing plate. The first connecting part and the second connecting part are used to cooperate with the locking member to connect the first fixing plate and the second fixing plate together.

[0007] According to any of the above embodiments of the utility model, the first connection part and the second connection part are nuts, which are fixedly connected to the first fixing plate and the second fixing plate.

[0008] According to any of the above embodiments of the utility model, the locking member includes a locking rod and a handle, the locking rod and the handle are fixedly connected, the outer circumference of the locking rod is provided with threads, and the threads are arranged corresponding to the nuts. The handle is used for convenient holding by the user. The threads on the outer circumference of the locking rod are respectively installed in cooperation with the nuts on the first fixing plate and the second fixing plate, so as to fasten the fixing device to the I-beam arch frame.

[0009] According to any of the above embodiments of the utility model, the first guide member is fixedly connected to the first fixing plate, and the second guide member is fixedly connected to the second fixing plate. The fixed connection can prevent the guide device from being displaced during the drilling process, and the locking foot anchor rod guide positioning device from being disturbed.

[0010] According to any of the above embodiments of the utility model, the first guide member is detachably connected to the first fixing plate, and the second guide member is detachably connected to the second fixing plate. The detachable connection can conveniently meet the requirements of different drilling angles in engineering.

[0011] According to any of the above embodiments of the utility model, the first guide member and the second guide member are pipes with openings at both ends, and the outer circumference of the pipes is connected to the fixing device. According to the actual needs of on-site construction, the pipes and the fixing device are stably assembled. During use, the locking foot anchor rod passes through the pipe, and the fixing device is firmly connected to the I-beam arch frame, thereby ensuring the stability of the locking foot anchor rod during construction.

[0012] According to any of the above embodiments of the utility model, the first guide member and the second guide member are arranged to be inclined relative to the vertical direction of the locking foot anchor rod guiding and positioning device. According to the angle requirements of the tunnel locking foot anchor rod in the design drawings, the angle of the guide device is matched.

[0013] According to any of the above embodiments of the utility model, the left and right ends of the first fixing plate and the second fixing plate are respectively provided with baffles extending vertically toward the inner side of the locking foot anchor rod guide positioning device. The baffles on the left and right sides are added to prevent the locking foot anchor rod guide positioning device from being displaced on the front and rear sides, thereby ensuring that the locking foot anchor rod guide positioning device is firmly connected to the I-beam arch frame in the front, rear, left and right directions during construction.

[0014] According to any of the above embodiments of the utility model, the at least two first connection parts are symmetrically arranged on the baffles at the left and right ends of the first fixing plate, and the at least two second connection parts are symmetrically arranged on the baffles at the left and right ends of the second fixing plate. The front and rear sides of the locking foot anchor rod guide positioning device are provided with the first connection part and the second connection part cooperating with the locking part, so as to ensure that the left and right sides of the first fixing plate and the second fixing plate are firmly connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the locking foot anchor rod guiding and positioning device of the utility model;

[0017] Figure 2 This is a front plan view of an embodiment of the locking foot anchor rod guiding and positioning device of the utility model;

[0018] Figure 3 It is a side plan view of an embodiment of the locking foot anchor rod guiding and positioning device of the utility model.

[0019] Description of reference numerals:

[0020] 100-fixing device; 110-first fixing plate; 111-first connecting portion; 120-second fixing plate; 121-second connecting portion; 130-baffle;

[0021] 200-locking piece;

[0022] 300 - guide device; 310 - first guide member; 320 - second guide member.

[0023] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with the embodiments with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0027] In this embodiment, the locking foot anchor rod guiding and positioning device includes a fixing device 100, at least two locking members 200, and a guiding device 300. The fixing device 100 includes a first fixing plate 110 and a second fixing plate 120 that are symmetrically arranged. The first fixing plate 110 and the second fixing plate 120 are arranged in parallel and spaced apart, and the first fixing plate 110 and the second fixing plate 120 are detachably connected; the locking member 200 can simultaneously connect the first fixing plate 110 and the second fixing plate 120 to lock the distance between the first fixing plate 110 and the second fixing plate 120; the guiding device 300 includes a first guide member 310 and a second guide member 320, the first guide member 310 is connected to the first fixing plate 110, and the second guide member 320 is connected to the second fixing plate 120.

[0028] In the above embodiment, if Figures 1 to 3As shown, the fixing device 100 is used to cooperate with the I-beam arch frame, and the locking piece 200 firmly clamps the first fixing plate 110 and the second fixing plate 120 of the fixing device 100 on both sides of the I-beam arch frame, so that the locking foot anchor rod guiding and positioning device is closely connected with the I-beam arch frame to prevent the tunnel arch foot from shrinking and the arch frame from falling. The fixing device 100 is two steel plates clamped on the left and right sides of the I-beam arch frame, and the spacing between the steel plates can be adjusted according to the specific size of the I-beam arch frame. The guiding device 300 is used to position the locking foot anchor rod. The embodiment of the utility model can be quickly positioned, and the drilling process is not affected by the outside world, and the drilling can be stable. The final drilling angle meets the specifications and design requirements. Ensure the safety and reliability of the arch frame. The drill rod will not be deviated during the drilling process due to the complex rock surface of the tunnel or encountering hard rock or soft soil during the drilling process. During use, the locking foot anchor rod is welded to the I-beam, and the locking foot anchor rod is close to both sides of the I-beam to form a U-shaped structure. When drilling, the guide device 300 fixes the locking foot anchor rod, and the drilling spacing of the locking foot anchor rod is not easy to deviate from the sides of the I-beam.

[0029] In some embodiments, the first fixing plate 110 includes at least two first connecting parts 111, and the second fixing plate 120 includes at least two second connecting parts 121. The at least two first connecting parts 111 are arranged correspondingly to the at least two second connecting parts 121, and the locking member 200 can simultaneously connect the first connecting part 111 and the second connecting part 121. The first connecting part 111 is fixedly connected to the first fixing plate 110, and the first fixing plate 110 is fixedly connected to the second fixing plate 120. The first connecting part 111 and the second connecting part 121 are used to cooperate with the locking member 200 to connect the first fixing plate 110 and the second fixing plate 120 together. The first connecting part 111 and the second connecting part 121 can be a single component, or can be directly drilled and arranged on the first fixing plate 110 and the second fixing plate 120. In this embodiment, the number of the first connecting parts 111 is two, which are respectively arranged on the front and rear sides of the first fixing plate 110, and the number of the second connecting parts 121 is two, which are respectively arranged on the front and rear sides of the second fixing plate 120 corresponding to the first connecting part 111.

[0030] In some embodiments, the first connection portion 111 and the second connection portion 121 are nuts. The nuts are fixedly connected to the first fixing plate 110 and the second fixing plate 120. The connection method can be welding, riveting or bonding. It is also possible not to set nuts, and directly drill holes on the first fixing plate 110 and the second fixing plate 120 to set threads.

[0031] In some embodiments, the locking member 200 includes a locking rod and a handle, the locking rod and the handle are fixedly connected, and the outer peripheral surface of the locking rod is provided with threads, and the threads are arranged correspondingly with the nuts. The handle is used to facilitate the user to hold. The threads on the outer peripheral surface of the locking rod are respectively installed in cooperation with the nuts on the first fixing plate 110 and the second fixing plate 120, and are used to fasten the fixing device 100 to the I-beam arch. The handle of this embodiment uses a nut to be fixedly connected to the locking rod, and can also use a steel bar to be vertically connected to the locking rod to form an L-shaped locking member 200. In actual construction, the handle can be set to any shape according to the specific holding habits of the user. The locking member 200 is first rotated and screwed into the second connecting portion 121, and then rotated and screwed into the first connecting portion 111, and then continues to rotate and tighten according to the specific size of the I-beam arch.

[0032] In some embodiments, the first guide member 310 is fixedly connected to the first fixing plate 110, and the second guide member 320 is fixedly connected to the second fixing plate 120. The fixed connection can prevent the guide device 300 from displacement during the drilling process, and the locking foot anchor rod guide positioning device from disturbance. The fixed connection can be any method such as welding, bolt connection, fastener connection, riveting, etc.

[0033] In some embodiments, the first guide member 310 is detachably connected to the first fixing plate 110, and the second guide member 320 is detachably connected to the second fixing plate 120. The detachable connection is convenient to meet the requirements of different drilling angles in the project. The design drawing generally requires 45°, but other angles may also be required. A hole can be drilled on the fixing device 100 to set a preset installation position, and the guide device 300 and the fixing device 100 can be connected using bolts.

[0034] In some embodiments, the first guide member 310 and the second guide member 320 are pipes with openings at both ends, and the outer circumference of the pipe is connected to the fixture 100. According to the actual needs of the on-site construction, the pipe and the fixture 100 are stably assembled. During use, the locking foot anchor rod passes through the pipe, and the fixture 100 is firmly connected to the I-beam arch frame, thereby ensuring the stability of the locking foot anchor rod during construction. The locking foot anchor rod is inserted from one end of the pipe, and exits from the other end of the pipe and is inserted into the tunnel wall. Two anchor rods are welded on both sides of the fixture 100. The seamless steel pipe is used as the guide device 300, and the angle of the guide device 300 is set according to the angle of the locking foot anchor rod required by the drawings and specifications.

[0035] In some embodiments, the first guide member 310 and the second guide member 320 are tilted relative to the vertical direction of the locking foot anchor rod guiding and positioning device. According to the requirements of the design drawings for the angle of the tunnel locking foot anchor rod, the angle of the guide device 300 is installed in coordination. The first guide member 310 and the second guide member 320 have the same tilt angle relative to the fixing device 100. The specific tilt angle can be set according to the specific engineering construction drawings. In the installed locking foot anchor rod guiding and positioning device, the first guide member 310 and the second guide member 320 have one end facing outward and one end facing inward, and the end facing outward is arranged at the upper end of the locking foot anchor rod guiding and positioning device, so as to facilitate the user to insert the locking foot anchor rod from the upper end into the tunnel wall at an angle downward.

[0036] In some embodiments, the left and right ends of the first fixing plate 110 and the second fixing plate 120 are respectively provided with baffles 130 extending vertically toward the inner side of the locking foot anchor rod guide positioning device. The baffles 130 on the left and right sides are added to prevent the locking foot anchor rod guide positioning device from being displaced on the front and rear sides, thereby ensuring that the locking foot anchor rod guide positioning device is firmly connected to the I-beam arch frame in the front, back, left and right directions during the construction process. The embodiment of the utility model uses two pieces of channel steel to dock to form a rectangular slot, and the specific size of the rectangular slot is set according to the more common I-beam arch frame I20b, I18, I16, I144 and other models on site.

[0037] In some embodiments, at least two first connection parts 111 are symmetrically arranged on the baffles 130 at the left and right ends of the first fixing plate 110, and at least two second connection parts 121 are symmetrically arranged on the baffles 130 at the left and right ends of the second fixing plate 120. The front and rear sides of the locking foot anchor rod guide and positioning device are provided with the first connection part 111 and the second connection part 121 that cooperate with the locking part 200, so as to ensure that the left and right sides of the first fixing plate 110 and the second fixing plate 120 are firmly connected. Nuts are welded to the rectangular slots on the front and back sides of the locking foot anchor rod guide and positioning device, and bolts are used to fix and seal them, so as to ensure that the rectangular slots are firmly connected to the on-site I-beam arch frame, and the locking foot anchor rods are not disturbed when drilling.

[0038] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A locking foot anchor rod guiding and positioning device, characterized in that: include: A fixing device, the fixing device cooperates with the I-beam arch frame, the fixing device comprises a first fixing plate and a second fixing plate which are symmetrically arranged, the first fixing plate and the second fixing plate are arranged in parallel and spaced apart, the first fixing plate and the second fixing plate are detachably connected, and the left and right ends of the first fixing plate and the second fixing plate are respectively provided with baffles which extend vertically toward the inner side of the locking foot anchor rod guide positioning device; At least two locking members, the locking members can simultaneously connect the first fixing plate and the second fixing plate to lock the distance between the first fixing plate and the second fixing plate, the locking members clamp the first fixing plate and the second fixing plate of the fixing device on both sides of the I-beam arch frame, so that the locking foot anchor rod guide positioning device is tightly connected to the I-beam arch frame; A guiding device, the guiding device is used to position the locking foot anchor rod, the guiding device includes a first guiding member and a second guiding member, the first guiding member is connected to the first fixing plate, the second guiding member is connected to the second fixing plate, the first guiding member and the second guiding member are pipes with openings at both ends, the outer peripheral surface of the pipes is connected to the fixing device, the first guiding member and the second guiding member are inclined relative to the vertical direction of the locking foot anchor rod guiding and positioning device, and the first guiding member and the second guiding member have the same inclination angle relative to the fixing device.

2. The locking foot anchor rod guiding and positioning device according to claim 1, characterized in that: The first fixing plate includes at least two first connecting parts, the second fixing plate includes at least two second connecting parts, the at least two first connecting parts are arranged correspondingly to the at least two second connecting parts, and the locking member can simultaneously connect the first connecting part and the second connecting part.

3. The locking foot anchor rod guiding and positioning device according to claim 2, characterized in that: The first connecting portion and the second connecting portion are nuts.

4. The locking foot anchor rod guiding and positioning device according to claim 3, characterized in that: The locking member comprises a locking rod and a handle, wherein the locking rod and the handle are fixedly connected, and a thread is arranged on the outer peripheral surface of the locking rod, and the thread is arranged corresponding to the nut.

5. The locking foot anchor rod guiding and positioning device according to claim 1, characterized in that: The first guide member is fixedly connected to the first fixing plate, and the second guide member is fixedly connected to the second fixing plate.

6. The locking foot anchor rod guiding and positioning device according to claim 1, characterized in that: The first guide member is detachably connected to the first fixing plate, and the second guide member is detachably connected to the second fixing plate.

7. The locking foot anchor rod guiding and positioning device according to claim 1, characterized in that: The at least two first connection parts are symmetrically arranged on the baffles at the left and right ends of the first fixing plate, and the at least two second connection parts are symmetrically arranged on the baffles at the left and right ends of the second fixing plate.

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