Recyclable anchor rod supporting structure

Abstract

The recyclable anchor rod supporting structure comprises an anchor rod assembly, a prefabricated steel plate, a prefabricated anchor head and a prefabricated long steel plate, the anchor rod assembly comprises an anchor rod, a sleeve, a mud blocking box, a steel structure piece and a locking rod, one end of the anchor rod is fixedly provided with a pointed end, and the two sides, close to the pointed end, of the anchor rod are each rotationally connected with a first bevel gear; a steel structural part is fixed to the outer side of each first bevel gear, the anchor rod is rotationally sleeved with the sleeve, a second bevel gear is fixedly arranged at one end of the sleeve, the second bevel gear is meshed with the two first bevel gears, and the second bevel gear and the two first bevel gears are all arranged in the mud blocking box; the prefabricated steel plate and the prefabricated long steel plate are each provided with a via hole allowing the pointed end, the mud blocking box and the two steel structural parts to pass through, and the length of the steel structural parts is larger than the diameter of the via holes. The prefabricated anchor head is used for anchoring the end, away from the second bevel gear, of the sleeve to the prefabricated long steel plate. The device can be recycled and reused, and is simple in construction operation and wide in application range.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit support structure technical field, in particular to a recoverable anchor rod support structure. BACKGROUND

[0002] With the gradual acceleration of urbanization process of our country, the development and utilization of underground space get rapid development, and the foundation pit engineering is increasing, and the excavation depth is also deeper and deeper. The purpose of foundation pit support is to protect the smooth progress of underground structure construction and the safety of the surrounding environment of foundation pit. The anchor support structure system is widely used at present, and its main components are: reinforced concrete bored pile, prestressed anchor cable, profiled steel or concrete waist beam, reinforced concrete crown beam, pile interval rotary jet or secondary jet protection, etc. Most of these components are one-time use components and cannot be recycled. The foundation pit support structure system belongs to temporary engineering, which aims to ensure the safety of underground structure construction and the surrounding environment of foundation pit during the excavation process. After backfilling, it loses its value. If these anchor support structure components are used once, they cannot be recycled, which will cause great waste of resources.

[0003] Therefore, it is of great practical significance to design and develop a recoverable and reusable foundation pit support system which is simple to operate and widely applicable. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a recoverable anchor rod support structure to solve the problems in the prior art, which can be recycled and reused, is simple to operate and widely applicable.

[0005] To achieve the above object, the utility model provides the following scheme.

[0006] The utility model provides a kind of recyclable anchor rod supporting structure, including anchor rod assembly, prefabricated steel sheet, prefabricated anchor head and prefabricated long steel sheet, the anchor rod assembly includes anchor rod, sleeve pipe, mudguard, steel structural member and locking rod, one end of the anchor rod is fixedly provided with sharp head, and one first bevel gear is rotatably connected in the two sides close to the sharp head respectively, each the first bevel gear outside is fixed one steel structural member respectively, the sleeve pipe is rotatably sleeved on the anchor rod, one end of the sleeve pipe is fixedly provided with second bevel gear, the second bevel gear is engaged with two first bevel gears, the second bevel gear and two first bevel gears are all arranged in the mudguard, two steel structural members are located at the two sides of the mudguard respectively, the mudguard is fixedly connected between the sharp head, the one end of the anchor rod away from the sharp head is equipped with through-hole, the sleeve pipe is equipped with mounting hole corresponding with the through-hole, the locking rod is used to prevent the anchor rod and the sleeve pipe relative rotation by passing through the through-hole and the mounting hole;The prefabricated steel sheet and the prefabricated long steel sheet are all equipped with via hole for the sharp head, the mudguard and two steel structural members pass, the length of the steel structural member is greater than the diameter of the via hole;The prefabricated anchor head is used to anchor the one end of the sleeve pipe away from the second bevel gear on the prefabricated long steel sheet.

[0007] Preferably, two first bevel gears are symmetrically arranged on the two sides of the anchor rod, and the axis of the first bevel gear is perpendicular to the anchor rod.

[0008] Preferably, the locking rod is a screw rod, the screw rod passes through the through-hole and the mounting hole, and the two ends of the screw rod are respectively threadedly connected with nuts.

[0009] Preferably, the first bevel gear and the steel structural member are fixedly connected by bolts.

[0010] Preferably, a mudguard bracket is arranged between the mudguard and the sharp head, and the two ends of the mudguard bracket are respectively welded and fixed to the mudguard and the sharp head.

[0011] Preferably, the width of the sharp head is equal to or greater than the width between the outer sides of the two steel structural members.

[0012] Preferably, the first bevel gear is rotatably connected to a bevel gear shaft, and the bevel gear shaft is welded and fixed to the anchor rod.

[0013] Preferably, the sleeve pipe is a hexagonal sleeve pipe, and the sharp head is a four-pyramid sharp head.

[0014] Preferably, the mudguard includes a box body and an upper cover plate, and the upper cover plate is fixed to the box body by bolts.

[0015] Preferably, the cross-sectional shape of the prefabricated long steel plate is a " ] " shape.

[0016] The utility model discloses the following technical effects are obtained relative to prior art:

[0017] The utility model discloses the assembly type structure of anchor rod subassembly, prefabricated steel sheet, prefabricated anchor head and prefabricated long steel sheet realizes the temporary support of foundation pit, and all components can be recycled and repeatedly used, and the green environmental protection is simple in construction operation, and the application scope is extensive. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0019] Figure 1 It is the anchoring support schematic drawing of the anchor rod support structure of recyclable utilization in the embodiment of the utility model;

[0020] Figure 2 It is the structural schematic diagram of anchor rod subassembly in the embodiment of the utility model;

[0021] Figure 3 It is the structural schematic diagram of steel structural member in the embodiment of the utility model;

[0022] Figure 4 It is the structural schematic diagram of the first bevel gear in the embodiment of the utility model;

[0023] Figure 5 It is the connecting structure schematic diagram of sleeve pipe and second bevel gear in the embodiment of the utility model;

[0024] Figure 6 It is the connecting structure schematic diagram of anchor rod and sharp head in the embodiment of the utility model;

[0025] Figure 7 It is the structural schematic diagram of mudguard box in the embodiment of the utility model;

[0026] Figure 8 It is the structural schematic diagram of mudguard box support in the embodiment of the utility model;

[0027] Figure 9 It is the structural schematic diagram of prefabricated steel sheet in the embodiment of the utility model;

[0028] Figure 10 It is the structural schematic diagram of prefabricated long steel sheet in the embodiment of the utility model.

[0029] In the figure: 1- anchor rod assembly, 2- prefabricated steel plate, 3- prefabricated anchor head, 4- prefabricated long steel plate, 5- anchor rod, 6- sleeve, 7- fender box, 8- steel structure, 9- locking rod, 10- sharp head, 11- first bevel gear, 12- second bevel gear, 13- through hole, 14- nut, 15- fender box support. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] The utility model discloses a kind of recyclable anchor rod support structures to solve the problems existing in prior art, recyclable reuse, simple construction operation, wide application range.

[0032] To make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail with reference to the drawings and specific embodiments.

[0033] As Figures 1-10 Indicated, the present embodiment provides a kind of recyclable anchor rod support structures, including anchor rod assembly 1, prefabricated steel plate 2, prefabricated anchor head 3 and prefabricated long steel plate 4, anchor rod assembly 1 includes anchor rod 5, sleeve 6, fender box 7, steel structure 8 and locking rod 9, one end of anchor rod 5 is fixedly provided with sharp head 10, and two sides close to sharp head 10 are rotatably connected with one first bevel gear 11 respectively, each first bevel gear 11 outside is fixed with one steel structure 8 respectively, sleeve 6 is rotatably sleeved on anchor rod 5, one end of sleeve 6 is fixedly provided with second bevel gear 12, second bevel gear 12 is engaged with two first bevel gears 11, second bevel gear 12 and two first bevel gears 11 are all arranged in fender box 7, two steel structures 8 are located at the two sides of fender box 7, fender box 7 is fixedly connected between sharp head 10, the end of anchor rod 5 away from sharp head 10 is provided with through hole, installation hole corresponding with through hole is provided on sleeve 6, locking rod 9 is used to prevent anchor rod 5 and sleeve 6 relative rotation by passing through through hole and installation hole;Prefabricated steel plate 2 and prefabricated long steel plate 4 are all provided with through hole 13 for sharp head 10, fender box 7 and two steel structures 8, the length of steel structure 8 is greater than the diameter of through hole 13;Prefabricated anchor head 3 is used to anchor the end of sleeve 6 away from second bevel gear 12 on prefabricated long steel plate 4.

[0034] The steel structure 8 is arranged in a strip shape and is parallel to the anchor rod 5 during installation. The steel structure 8 can pass through the through hole 13 on the prefabricated steel plate 2 and the prefabricated long steel plate 4 along with the drilling of the anchor rod 5. After passing through, the steel structure 8 can be rotated to be perpendicular to the anchor rod 5 by rotating the sleeve 6. At this time, since the length of the steel structure 8 is greater than the diameter of the through hole 13, the steel structure 8 can be abutted against the prefabricated steel plate 2 when the anchor rod 5 is pulled back, thereby achieving anchoring. The support structure adopts gear transmission, which is reliable. The gear set can be protected by the mud box 7 to prevent mud from entering and affecting the gear transmission. The anchor rod 5 and the sleeve 6 can be locked by the locking rod 9 to prevent relative rotation and ensure that the position of the steel structure 8 is unchanged after anchoring. The sleeve 6 is anchored to the prefabricated long steel plate 4 by the prefabricated anchor head 3, which can ensure the stability after anchoring.

[0035] In the embodiment, the two first bevel gears 11 are symmetrically arranged on both sides of the anchor rod 5, and the axis of the first bevel gear 11 is perpendicular to the anchor rod 5.

[0036] In the embodiment, the locking rod 9 is a screw rod, the screw rod passes through the through hole and the mounting hole, and the two ends of the screw rod are respectively threadedly connected with the nuts 14. When it is needed to rotate the sleeve 6, the nuts 14 are removed and the screw rod is taken out.

[0037] In the embodiment, the first bevel gear 11 is fixedly connected with the steel structure 8 by bolts, which is convenient and fast to disassemble and assemble.

[0038] In the embodiment, the mud box 7 is provided with a mud box support 15 between the mud box 7 and the sharp head 10, and the two ends of the mud box support 15 are respectively welded and fixed on the mud box 7 and the sharp head 10.

[0039] In the embodiment, the width of the sharp head 10 is equal to or greater than the width between the outer sides of the two steel structures 8. When the anchor assembly 1 is drilled through the sharp head 10, the sharp head 10 can protect the steel structure 8 and the mud box 7 behind it, which can prevent the two steel structures 8 and the mud box 7 from being damaged or deformed when being punched into the soil body.

[0040] In the embodiment, the first bevel gear 11 is rotatably connected to a bevel gear shaft, and the bevel gear shaft is welded and fixed on the anchor rod 5.

[0041] In the embodiment, the sleeve 6 is a hexagonal sleeve, which is convenient to rotate by a tool, and the sharp head 10 is a four-pyramid sharp head.

[0042] In the embodiment, the mud box 7 includes a box body and an upper cover plate, and the upper cover plate is fixed to the box body by bolts. During installation, the first bevel gear 11 and the second bevel gear 12 are installed into the box body, and then the upper cover plate is fixed to the box body by bolts.

[0043] In the embodiment, the prefabricated long steel plate 4 has a “]” shaped cross section, which has high strength and ensures the support effect.

[0044] The construction procedure of the support structure is as follows:

[0045] (1) After positioning by measuring, a plurality of prefabricated steel plates 2 and prefabricated long steel plates 4 at preset buried positions are punched into the target soil body;

[0046] (2) The soil body of the designed height is excavated outside the prefabricated long steel plate 4, and then the anchor rod assembly 1 is rotated and drilled into the through hole 13 of the prefabricated long steel plate 4 until the sharp head 10, the mud box 7 and the two steel structure pieces 8 pass through the through hole 13 of the prefabricated steel plate 2, i.e. pass through the positioning line of the prefabricated steel plate 2;

[0047] (3) After the nut 14 and the locking rod 9 (screw rod) are removed, the hexagonal sleeve 6 is rotated so that the two steel structure pieces 8 are perpendicular to the direction of the anchor rod 5;

[0048] (4) After the locking rod 9 and the nut 14 are installed back, they are pulled back to a certain distance in the direction of the excavated area until the two steel structure pieces 8 are attached to the prefabricated steel plate 2, and then the prefabricated anchor head 3 is installed, and the sleeve 6 is anchored on the prefabricated long steel plate 4;

[0049] (5) The procedures of (2), (3) and (4) are repeated to sequentially install a plurality of anchor rod assemblies 1 until the excavated area reaches the designed excavation depth.

[0050] The anchor rod support structure provided by the utility model is assembled by assembling each component during construction, without the need for concrete pouring, and the construction operation is simple, each component can be recycled and reused, is green and environmentally friendly, has strong anchoring capacity, and is widely applicable.

[0051] The principle and implementation mode of the utility model are described by using specific examples in the utility model, and the above description of the embodiments is only used to help understand the method and core idea of the utility model; meanwhile, for those skilled in the art, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as a limitation of the utility model.

Claims

1. A recyclable anchor support structure, characterized in that: The system includes an anchor bolt assembly, a precast steel plate, a precast anchor head, and a precast long steel plate. The anchor bolt assembly includes an anchor bolt, a sleeve, a mudguard box, a steel structural member, and a locking rod. One end of the anchor bolt is fixedly provided with a pointed tip, and a first bevel gear is rotatably connected to each side near the pointed tip. A steel structural member is fixed to the outside of each first bevel gear. The sleeve is rotatably fitted over the anchor bolt, and a second bevel gear is fixedly provided at one end of the sleeve. The second bevel gear meshes with two first bevel gears. Both the second bevel gear and the two first bevel gears are provided with... The two steel structural members are respectively located on both sides of the mudguard box, and the mudguard box is fixedly connected to the pointed end. The end of the anchor rod away from the pointed end is provided with a through hole, and the sleeve is provided with a mounting hole corresponding to the through hole. The locking rod is used to pass through the through hole and the mounting hole to prevent the anchor rod from rotating relative to the sleeve. Both the precast steel plate and the precast long steel plate are provided with through holes for the pointed end, the mudguard box and the two steel structural members to pass through. The length of the steel structural member is greater than the diameter of the through hole. The prefabricated anchor head is used to anchor the end of the sleeve away from the second bevel gear to the prefabricated long steel plate.

2. The recyclable anchor support structure according to claim 1, characterized in that: Two first bevel gears are symmetrically arranged on both sides of the anchor rod, and the axis of the first bevel gears is perpendicular to the anchor rod.

3. The recyclable anchor support structure according to claim 1, characterized in that: The locking rod is a screw rod that passes through the through hole and the mounting hole, and nuts are threaded to both ends of the screw rod.

4. The recyclable anchor support structure according to claim 1, characterized in that: The first bevel gear is fixedly connected to the steel structural component by bolts.

5. The recyclable anchor support structure according to claim 1, characterized in that: A mudguard bracket is provided between the mudguard box and the pointed end, and the two ends of the mudguard bracket are welded and fixed to the mudguard box and the pointed end, respectively.

6. The recyclable anchor support structure according to claim 1, characterized in that: The width of the pointed tip is equal to or greater than the width between the outer surfaces of the two steel structural members.

7. The recyclable anchor support structure according to claim 1, characterized in that: The first bevel gear is rotatably connected to the bevel gear shaft, and the bevel gear shaft is welded and fixed to the anchor rod.

8. The recyclable anchor support structure according to claim 1, characterized in that: The sleeve is a hexagonal sleeve, and the tip is a square pyramidal tip.

9. The recyclable anchor support structure according to claim 1, characterized in that: The mudguard box includes a box body and an upper cover plate, and the upper cover plate is fixed to the box body by bolts.

10. The recyclable anchor support structure according to claim 1, characterized in that: The prefabricated long steel plate has a cross-sectional shape of "]".

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