CN103620121B

CN103620121B - Earth anchor

Info

Publication number: CN103620121B
Application number: CN201280014901.5A
Authority: CN
Inventors: 翁伟明
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-25
Filing date: 2012-03-26
Publication date: 2016-06-08
Anticipated expiration: 2032-03-26
Also published as: WO2012134263A1; AU2012233787B2; WO2012134263A8; MY156591A; AU2012233787A8; AU2012233787A1; CN103620121A

Abstract

A kind of for slope stability, the earth anchor (1) of anchoring or similar work includes body (10), it is detachably connected to the guider (30) of described body (10) lower end, and pivots hinged and be fixed to described body (10) multiple wings (40,40a) around. When this earth anchor (1) is recalled from its riding position in passage gradually, the hinged wing (40,40a) of the plurality of pivot is from this body (10) outward expansion, it is provided that beat projected area to form broader truncated cone, thus allowing higher anchor force. Use this earth anchor (1), it is possible to realize intended anchor force with the relatively low making holes in soil degree of depth. The design of this earth anchor (1) makes the described earth anchor (1) of more than one unit can be connected with each other the quantity of the wing (40,40a) to increase extension, thus providing more positive and reliable truncated cone.

Description

Earth anchor

Technical field

Background technology

For slope stability, the earth anchor of anchoring or similar work has applied significant period of time, and described earth anchor is typically constructed of metal and is connected with bar or rope and pierces in soil, it is common that slope, until the degree of depth that distance surface is specified. Earth anchor generally comprises body and is pivoted to the wing of described body, and when described earth anchor is recalled gradually, the described wing can propagate outward into an angle. For slope stability, anchoring or similar work, the wing of this extension provides the truncated cone for supporting applied load. Most of existing earth anchors only provide the wing associated with pivot.

The weight in the soil in this frustum of a cone body defines, together with the shearing force around described truncated cone, the power that this earth anchor can provide. The size and dimension of this truncated cone largely depends on the projected area of the wing of the extension of this earth anchor. Same, the power that this earth anchor can support also largely depends on the projected area of the wing of the extension of this earth anchor. The size of the wing of existing earth anchor and profile, the thus projected area of its extension, being limited in its size can not be too big in order to avoid affecting its operation and its location extremely desired degree of depth.

It is thus desirable to design upper compact and that there is multiple wing associated with pivot earth anchor to provide big projected area by the described wing, thus providing big truncated cone. The earth anchor with this design will can support higher applied load for certain depth or can support desired applied load with the relatively low degree of depth.

It is an object of the invention to promote earth anchor design, wherein said earth anchor includes the wing that multiple extendible pivot is hinged, allows to be formed broader truncated cone, or uses the less degree of depth of described earth anchor entrance to reach same anchoring effect.

A further object of the present invention is in that to promote earth anchor design, and wherein the described earth anchor of more than one unit can interconnect formation integrated unit and the angularly spaced apart of the wing on unit, thus providing more positive truncated cone for anchoring.

Summary of the invention

The present invention is used for slope stability, and the earth anchor of anchoring and similar work includes body, is detachably connected to the guider of described body lower end, and pivots multiple wings that are hinged and that be fixed to around described body by connecting device.

In a preferred embodiment, this body includes the plug at its lower end peripheral hardware screw thread, intermediate square beyond the Great Wall described in being positioned at, outward extending multiple circumferentially extending parts around described intermediate, it is positioned at the upper body above described intermediate, and it is used for connecting extension rod towards top, described upper body, the end of rope or the coupling arrangement on another unit being connected to this earth anchor. Each circumferentially extending part is horizontal location through hole and between contiguous described circumferentially extending part for limit stops.

This guider includes the inverted cone being positioned at lower end, from the main body that described cone bottom up extends, and from the female thread portion that the upper surface of described main body downwardly extends. This guider with this external screw thread co-joint beyond the Great Wall, and can be detachably attached on the body of this earth anchor by the screw thread of this female thread portion whereby.

Each wing includes the ridge towards its lower end being spaced apart a pair, each ridge has horizontal through hole, horizontal through hole on described paired ridge is generally coaxial and blade upwardly extends from described paired ridge, and the top of described blade is with tip for terminating. Alternative, the outer surface of each blade is multiple wedge. In another embodiment of this wing, the top of this blade is with horizontal edge for terminating, and is multiple steps staggering towards described horizontal edge and connecting on described leaflet inner faces. Each wing pivots this body that is hinged and that be connected to this earth anchor.

In a preferred embodiment, this earth anchor includes three wings and is hinged to the circumferentially extending part of the similar amt being present on this body, each described wing connects and is hinged to described circumferentially extending part in the paired ridge being spaced apart, the outside of described circumferentially extending part be positioned described between the ridge that is spaced apart, and the horizontal through hole in described circumferentially extending part and the horizontal through hole positioned coaxial on the described ridge being spaced apart. Pin utilizes locked instrument to work in coordination with the horizontal through hole on the horizontal through hole and this circumferentially extending part installed and be fixed positioned on this ridge being spaced apart, thus fixing this wing extremely described circumferentially extending part.

Towards this bodies top be segmentation flange and in set the cylindrical cavity of screw thread. The female thread of this cylindrical cavity can with the external screw thread co-joint of extension rod end. The female thread of this cylindrical cavity also is able to and this external screw thread co-joint beyond the Great Wall, thus when needs additionally anchoring, the earth anchor of two unit can link together. This segmentation flange is used for being detachably connected to earth anchor driver.

These and other feature of the present invention, benefit and purpose will by description below, and drawings and claims make one skilled in the art person be understood and appreciated by further.

Accompanying drawing explanation

Fig. 1 illustrates the isometric view of earth anchor, and its wing is in expanding location.

Figure 1A illustrates the isometric view of earth anchor, and its wing is in the closed position.

Figure 1B illustrates the decomposition view of earth anchor of the present invention.

Fig. 2 illustrates the isometric view of the body of earth anchor.

Fig. 2 A illustrates the front view of the body of earth anchor.

Fig. 2 B illustrates the top view of the body of earth anchor.

Fig. 3 illustrates the isometric view of the wing of earth anchor.

Fig. 3 A illustrates the front view of the wing of earth anchor.

Fig. 3 B illustrates the side view of the wing of earth anchor.

Fig. 4 illustrates the isometric view that the earth anchor of two unit links together.

Fig. 4 A illustrates the front view that the earth anchor of two unit links together.

Fig. 4 B illustrates the top view that the earth anchor of two unit links together.

Fig. 5 illustrates the side view of the second embodiment of the wing of earth anchor.

Fig. 5 A illustrates the X-direction view of the second embodiment of the wing of Fig. 5 earth anchor.

Fig. 5 B illustrates the Y-direction view of the second embodiment of the wing of Fig. 5 earth anchor.

Detailed description of the invention

Such as Fig. 1, Figure 1A and Figure 1B illustrates, for slope stability, the earth anchor (1) of anchoring or similar work includes body (10), it is detachably connected to the guider (30) of described body (10) lower end, and pivots hinged by connecting device and be fixed to described body (10) multiple wings (40) around.

Such as Fig. 2, Fig. 2 A and Fig. 2 B illustrates, in the preferred embodiment of this body (10), described body (10) includes the plug (11) in its lower end, it is positioned at the intermediate (15) of described plug (11) top, around the vertical axis angularly symmetrical interval of described body (10) and from described intermediate (10) outward extending multiple circumferentially extending parts (12) around, and, each described circumferentially extending part (12) has the through hole (13) of horizontal location, between contiguous described circumferentially extending part (12), there is limit stops (14), upper body (16) is positioned at described intermediate (15) top, it is used for connecting extension rod towards the coupling arrangement at described upper body (16) top, the end of rope (via eye bolt or similar) or be used for the described body (10) connecting this current earth anchor (1) the similar earth anchor (1) to another unit, and it is used for the earth anchor driver coupling arrangement to this earth anchor (1) that removably connects. this plug (11) has a set of external screw thread, takes on a part for the device of the body (10) being detachably connected to this earth anchor (1) for this guider (30). as Fig. 2 A and Fig. 2 B illustrates, towards this body (10) top be segmentation flange (17) and in set the cylindrical cavity (19) of screw thread, the axis of this cylindrical cavity (19) is generally coaxial with the vertical axis of this body (10). the female thread of this cylindrical cavity (19) and extension rod, the external screw thread cooperative interaction of the end of rope (via eye bolt or similar) or work in coordination with the external screw thread on plug (11) and is connected the part forming coupling arrangement with joint, thus as under when Fig. 4 and Fig. 4 A is shown in needing extra anchoring for single structure, the earth anchor (1) of two unit can link together. for connecting the earth anchor (1) of two unit, it is not necessary to the guider (30) of superposed earth anchor (1) and being removed with the external screw thread exposing on plug (11) to be connected on the female thread of the cylindrical cavity (19) of the earth anchor (1) being positioned at bottom. this segmentation flange (17) forms the earth anchor driver (not illustrating) that is used for removably connecting to the coupling arrangement on earth anchor (1), described earth anchor driver for along and cross drilled tunnel and be injected downwardly into described earth anchor (1). this earth anchor driver separates from this earth anchor (1) subsequently and once namely described earth anchor (1) gratifying location and being arranged in passage removes.

As Figure 1B illustrates, the guider (30) of this earth anchor (1) includes the inverted cone (31) being positioned at lower end, from the main body (32) that described cone (31) bottom up extends, and from the female thread portion (34) that the upper surface of described main body (32) downwardly extends. This guider (30) with the external screw thread co-joint on this plug (11), and can be detachably attached on the body (10) of this earth anchor (1) by the screw thread of this female thread portion (34) whereby.

Such as Fig. 3, Fig. 3 A and Fig. 3 B illustrates, in the plurality of wing (40) of earth anchor (1), each wing (40) includes the ridge towards its lower end (41) being spaced apart a pair, each ridge (41) has horizontal through hole (42), horizontal through hole (42) on described paired ridge (41) is generally coaxial and blade (43) upwardly extends from described paired ridge (41), the top of described blade (43) with most advanced and sophisticated (45) for termination. In the preferred embodiment, ridge (41) and blade (43) form integrated unit. As Fig. 3 A and Fig. 3 B illustrates, alternative, the outer surface of each blade (43) is multiple wedge (44). As explained later, in the circumferentially extending part (12) of described body (10), each wing (40) pivots body (10) that is hinged and that be connected to earth anchor (1).

Such as Fig. 5, Fig. 5 A and Fig. 5 B illustrates, in another embodiment of this wing (40a), the described wing (40a) includes the ridge towards its lower end (41) being spaced apart a pair, each ridge (41) has horizontal through hole (42), horizontal through hole (42) on described paired ridge (41) is generally coaxial and blade (43a) upwardly extends from described paired ridge (41), the top of described blade (43a) is with horizontal edge (45a) for terminating, and described ridge (41) and described blade (43a) form integrated unit. Additionally, as Fig. 5 illustrates, for multiple steps (46) staggering towards horizontal edge (45a) and connecting on the inner surface of this blade (43a), and be multiple wedge (44) on the outer surface of each described blade (40a). In the circumferentially extending part (12) of described body (10), according to the mode being substantially similar to the wing (40), each wing (40a) pivots body (10) that is hinged and that be connected to earth anchor (1).

Such as Fig. 1, Figure 1A and Figure 1B illustrates, and in the preferred embodiment of this earth anchor (1), described earth anchor (1) includes three wings (40,40a), they are spaced apart and pivot in the circumferentially extending part (12) being hinged to the similar amt being present on this body (10). At the paired ridge (41) being spaced apart, each wing (40,40a) connect and pivot is hinged to circumferentially extending part (12), the outside of described circumferentially extending part (12) be positioned described between the ridge (41) that is spaced apart, and horizontal through hole (42) positioned coaxial of the horizontal through hole (13) in described circumferentially extending part (12) and the described ridge (41) being spaced apart. Pin (2) one end has enlarged head and has groove towards the other end, it is worked in coordination with and installs and be positioned the horizontal through hole (42) on this ridge being spaced apart (41) and the horizontal through hole (13) in this circumferentially extending part (12), thus fixing this wing (40,40a) extremely described circumferentially extending part (12). The upper adaptation of this pin (2) has mounted and positioned locating ring (3), and it slides on groove so that described pin (2) is secured to its desired location. It is positioned at the limit stops (14) between contiguous circumferentially extending part (12) and exceedes their desired location in order to retrain hinged multiple wings (40, the 40a) outward expansion of described pivot. Introduce the mechanism of similar ratchet to allow the plurality of wing (40,40a) around their articulated position from body (10) outward expansion, but prevent the plurality of wing to be then turned off returning on described body (10).

Under the earth anchor (1) needing more than one unit and interconnective situation, the angle position of described earth anchor (1) makes the multiple wings (40,40a) working as described earth anchor (1) not project mutually covering when launching. This point is illustrated in Fig. 4, Fig. 4 A and Fig. 4 B, and the earth anchor (1) of two of which unit links together, and a set of multiple wings (40,40a) occupy different angle positions as compared to another set of multiple wings (40,40a). By this mode, multiple wings (40,40a) of the combination of this two earth anchor (1) connected present bigger projected area, produce more greatly and more positive truncated cone.

For stabling slope, boring series of passages to be familiar with technology consultant it is proposed that the degree of depth. It is connected to cylindrical cavity (19) at each passage, extension rod or rope, and earth anchor driver is connected to the segmentation flange (17) of earth anchor (1). At multiple wings (40,40a) under the state closed to the body (10) of this earth anchor (1), under drilled tunnel, described earth anchor (1) is driven by described earth anchor driver, the extension rod connected or the earth anchor driver of rope and connection, guider (30) is formerly, until it reaches the end of described drilled tunnel. Depend on the precise figure of this channel depth, it may be necessary to more than one extension rod. Being positioned at this channel end when this earth anchor (1) is satisfactory, by rotating this earth anchor driver, described earth anchor (1) promotes a segment distance and the axis around this body (10) somewhat to shift angle further downward. Next this earth anchor (1) is along passage recalling gradually and gently so that the wedge (44) of the plurality of wing (40,40a) and most advanced and sophisticated (45) are by the soil surface of anchor themselves to corresponding vicinity. The earth anchor (1) that earth anchor driver connects is recalled further so that the plurality of wing (40,40a) is around they articulated position outward expansion on body (10) and away from the described body (10) of this earth anchor (1) along passage. The plurality of wing (40,40a) gratifying extension, the limit stops (14) being now placed between contiguous circumferentially extending part (12) retrains the described wing (40,40a) and outwards further expands. Along with the plurality of wing (40,40a) gratifying extension, the plurality of wing (40,40a) covers fully and allows to form broad truncated cone.

It should be noted that, for the sake of clarity, it is possible to do not illustrate all component with this earth anchor of labelling (1) and part in the drawings. Additionally, directed in the project such as accompanying drawing that is previously mentioned of term used in the description, and they may be at arbitrarily being differently directed when deployed, and the orientation therefore illustrated in accompanying drawing is not necessarily required to for operability.

Preceding description regards the illustration of the principle of the invention as. And, many modifications and change is it is readily conceivable that due to one skilled in the art person, the present invention be not intended to be limited to depicted and description definite structurally and operationally, accordingly, all suitable modifications that can adopt and equivalent all should fall into the scope of the present invention.

Claims

1. for a slope stability, the earth anchor (1) of anchoring and related work, it is characterised in that described earth anchor (1) including :-

Body (10), including

At the plug (11) of its lower end,

It is positioned at the intermediate (15) of described plug (11) top,

Around the vertical axis angularly symmetrical interval of described body (10) and from described intermediate (10) outward extending multiple circumferentially extending parts (12) around, for pivoting the undertaking wing (40,40a), described circumferentially extending part (12) is further provided with the limit stops (14) being positioned between contiguous described circumferentially extending part (12), outward expansion is avoided to exceed its desired location in order to retrain the hinged wing of this pivot (40,40a);

It is positioned at the upper body (16) of described intermediate (15) top, described upper body (16) is provided with coupling arrangement, for being detachably connected to extension rod, one end of rope or be used for connecting another similar units of this earth anchor (1); Described coupling arrangement be further adapted for removably connecting for along and cross drilled tunnel and be injected downwardly into the earth anchor driver of described earth anchor (1); Wherein this coupling arrangement includes the segmentation flange (17) for the earth anchor driver that removably connects, and via eye bolt or similar collaborative connection or is used for connecting the chamber (19) of another unit of this earth anchor (1) with rope for connect collaborative with the external screw thread of the end of extension rod;

Guider (30), is detachably connected to be positioned at the described plug (11) of described body (10) lower end; And

Multiple wings (40,40a), there is the paired ridge (41) being spaced apart towards its lower end, each ridge (41) has respective horizontal through hole (42), horizontal through hole (42) on the described paired ridge (41) being spaced apart is for generally coaxial, and blade (43,43a) upwardly extend from described paired ridge (41), described blade (43, top 43a) is terminate with most advanced and sophisticated (45,45a), wherein, the plurality of wing (40, 40a) pivot the plurality of circumferentially extending part (12) that is hinged and that be fixed to this body (10) by connecting device, and the wing (40, quantity 40a) is equal to the quantity of circumferentially extending part (12), wherein, this body (10) circumferentially extending part (12) around includes the outside between the ridge (41) being positioned to be spaced apart, and horizontal through hole (42) positioned coaxial of the horizontal through hole (13) on described circumferentially extending part (12) and the described ridge (41) being spaced apart.

2. earth anchor (1) as claimed in claim 1, it is characterized in that, this body (10) farther includes a set of external screw thread on this plug (11) and the through hole (13) of the upper horizontal location of each circumferentially extending part (12).

3. earth anchor (1) as claimed in claim 1, it is characterized in that, this guider (30) includes the inverted cone (31) being positioned at lower end, from the main body (32) that described cone (31) bottom up extends, and from the circular female thread portion (34) that the upper surface of described main body (32) downwardly extends.

4. earth anchor (1) as claimed in claim 3, it is characterized in that, the screw thread of this female thread portion (34) of this guider (30) can with the external screw thread co-joint on this plug (11) of this body (10), for described guider (30) being detachably attached to the lower end of described body (10).

5. earth anchor (1) as claimed in claim 1, it is characterised in that the blade (43) of each wing (40) is provided with multiple wedge (44).

6. earth anchor (1) as claimed in claim 1, it is characterized in that, blade (43a) surface within it of each wing (40a) is provided with multiple step (46) staggering towards horizontal edge (45a) and connecting, and each described wing (40a) is provided with multiple wedge (44) on the outer surface.

7. such as claim 1,2, earth anchor (1) described in 5 or 6, it is characterized in that, pin (2) adopts that locating ring (3) is collaborative install and be fixed positioned in described in described horizontal through hole (13) in the described horizontal through hole (42) of ridge (41) that is spaced apart and described circumferentially extending part (12).

8. earth anchor (1) as claimed in claim 1, it is characterized in that, there is the mechanism of similar ratchet to allow the plurality of wing (40,40a) around its articulated position from this body (10) outward expansion, but prevent the plurality of wing (40,40a) to be then turned off returning on described body (10).

9. earth anchor (1) as claimed in claim 1 or 2, it is characterized in that, set the cylindrical cavity (19) of screw thread to the earth anchor (1) being positioned at bottom by the external screw thread on the plug (11) of the superposed earth anchor of collaborative connection (1), the earth anchor (1) of one unit is connectable on the earth anchor (1) of another unit, does not use and remove the guider (30) of this superposed earth anchor (1).