CN1090003A

CN1090003A - Earth anchor

Info

Publication number: CN1090003A
Application number: CN 93121624
Authority: CN
Inventors: 保罗·安东尼·凯米勒瑞
Original assignee: INSTANT FOUNDATIONS (AUST) Pty Ltd
Current assignee: INSTANT FOUNDATIONS (AUST) Pty Ltd
Priority date: 1992-12-14
Filing date: 1993-12-13
Publication date: 1994-07-27
Also published as: MY109948A; IN179547B

Abstract

One earth anchor (10) has slender axles (1), and axle has the spiral ribs (12) at its front end and have a socket portion (13) on its opposed end, and pillar can be bearing on the socket.Anchor (10) also comprises a part (14), and part (14) limits the radially abutment surface (22) on an engagement ground, makes the soil between surface (22) and rib (12) compacted.Anchor (10) can be used for different purposes, to support vertical pillar, is used to support the bearing of building, and wherein socket (13) can be replaced or comprise a support.

Description

Earth anchor

The present invention relates to earth anchor, it is used on the basis of building and other superstructure, and these structures need be fixed on the ground.

The basis is pillar or wall, and its weight with building passes on the basic ground.In the past, must below basic ground, dig a hole or ditch then fill concrete so that suitable basis to be provided.This is a job of wasting time and energy, and concrete need solidify and then delay several days durations.

Other purposes of earth anchor of the present invention is the supporting pillar, is used for permanent or interim fence, label and reflective lamppost, and the pillar of supporting telecommunication line or street lamp.This pillar and lamppost are placed in the hole of digging traditionally and are fixed on this position.This is again a kind of work of wasting time and energy.In addition, in the occasion as temporary structure, when this pillar or lamppost need be removed, the place that folding is ruined needed to repair.

Therefore, an object of the present invention is to provide a kind of earth anchor, it need not excavate the basis of building and other superstructure, and is easy to when needed remove.

According to the invention provides an earth anchor; Comprise a carrying pipe that unified diameter is arranged, one spiral plate is arranged, isolated from described spiral plate along pipe holistic ground engagement flange is housed adjacent to the soil penetration end of pipe.

In a preferred structure, the carrying pipe extends on ground engagement flange, is used in use connecting a vertical or similar item to limit a socket.Connect and the socket of supporting pillar can be any shape such as circular or square, and socket can comprise that an external socket connects pillar in being used for, or comprises the lower end that socket can support pillar in.In a replaceable example, anchor can comprise a support such as a U-shaped saddle or an angular support frame, is suitable for the bearing of supporting any structure a such as building or the mullion of a structure.The releasable connection anchor of this support or some supports, for this purpose, this support or some supports can be provided with a threaded body for example and be used to connect screwed hole on the anchor.

Whole ground engagement flange can be constituted part by the plane of a sufficient size and limit, and radially connects the surface and is used for locating on the ground to limit one, so that soil is compacted at this.This plane institution movement can be dish type, square, rectangle or arbitrary other shape.

In a structure of replacing, whole ground engagement flange can have a helical member planform.

This spiral plate or these spiral plates can have the form of the strip material that is fixed to pipe, and along the helix of pipe thus to extension.Requirement to this or these spiral plate is the destruction soil of minimum zone.In one form, the radial dimension with flange is identical basically at the radial dimension of the spiral plate of pipe front end.Accordingly, this spiral plate or each spiral plate extend perpendicular to pipe around approximate 360 ° of pipe, and the pitch between 35 to 100 millimeters is arranged.

The front end of pipe can be the pointed kiss the earth that is beneficial to, and this pointed ends is limited by the part of pipe or the cusp that is fixed to pipe.Pipe also can have just in time relative tooth so that the guiding function to the spiral plate of pipe front end to be provided.

Anchor of the present invention can be used for supporting a bumper post or similar item, and comprises a vertical socket is set for this purpose, and bumper post is installed on socket.Interchangeable, bumper post can have flange so that be bolted on the anchor.

Use building the time, anchor can support the pillar that a flexible is regulated, pillar can tighten in the position of desired height to support for example bearing of building.

The present invention provides a kind of anchor on the other hand, and it comprises the pipe with spiral plate, and pipe has the device that is connected to connecting rod or similar item, so that anchor of the present invention is applicable to the purposes that the back connects.By have the connector of sleeve at two ends, these anchors can be connected to each other, and sleeve is used to hold the pipe of each anchor.

Another characteristics of the present invention provide a kind of anchor, it is used to support the purpose of label, this anchor comprises having the pipe that is used for the spiral ribs of ground engagement, is used to support vertical member, and this anchor comprises that also the arm component that a lateral support is set is used to support label or similar item to connect slender member.

Other purposes of various details.

For more clearly understanding practical function of the present invention, description explanation the preferred embodiments of the present invention:

Fig. 1 is the elevation according to earth anchor of the present invention;

Fig. 2 and Fig. 3 illustrate the different views of the front end of anchor;

Fig. 4 is the plan view of the earth anchor of Fig. 1;

Fig. 5 illustrates the mode of occupation of earth anchor of the present invention;

Fig. 6 is the lateral view that earth anchor according to the present invention combines with an inner sleeve;

Fig. 7 is the plan view of inner sleeve of the anchor of Fig. 6;

Fig. 8 is the elevation according to an alternative of inner sleeve earth anchor of the present invention;

Fig. 9 is the plan view of inner sleeve of the anchor of Fig. 8;

Figure 10 is the elevation according to outer sleeve earth anchor of the present invention;

Figure 11 is the plan view of sleeve of the anchor of Figure 10;

Figure 12 illustrates the alternative of an outer sleeve earth anchor;

Figure 13 is the plan view of sleeve of the anchor of Figure 12;

Figure 14 and Figure 15 illustrate the alternative of the earth anchor that is used to support pillar;

Figure 16 and Figure 17 illustrate the alternative of pillar supporting anchor;

Figure 18 and Figure 19 illustrate the earth anchor that is specially adapted to support wayside pavilion;

Figure 20 and 21 illustrates the reduced form of the earth anchor that is used for fence;

Figure 22 illustrates connecting of earth anchor according to the present invention and reflective lamppost or bumper post;

Figure 23 illustrates the alternative of a bumper post assembly;

Figure 24 and Figure 25 illustrate according to representative basis anchor of the present invention;

Figure 26 and 27 illustrates the another kind of form of basic anchor;

Figure 28 illustrates the basic anchor assemblies that is used to drive piles;

Figure 29 illustrates an extension device of the earth anchor that is used for Figure 28;

The anchor that Figure 30 illustrates Figure 28 combines the mode of an actuator with the extension device of Figure 29;

Figure 31 and Figure 32 are according to adjustable earth anchor of the present invention;

Figure 33 illustrates a kind of earth anchor with performance of supporting different component;

Figure 34 illustrates a kind of drive unit of the anchor that is used to drive Figure 33;

Figure 35 a), b), c) and the parts of the anchor that is used in Figure 33 are shown d);

Figure 36 illustrates according to a kind of typical marker post/anchor assemblies of the present invention;

Figure 37 illustrates the amplified version of the assembly of Figure 36;

Figure 38 illustrates and is used for back-connected earth anchor according to the present invention;

The rear portion that Figure 39 illustrates anchor shown in Figure 38 connects;

The rear portion that Figure 40 illustrates Figure 38 and Figure 39 is connected the typical application example of earth anchor;

Figure 41 illustrates anchor according to the present invention and praedial or other being connected of sign board;

Figure 42 illustrates the drive unit of the anchor that is used for Figure 41.

At first with reference to figure 1-4, the end that earth anchor 10 is included in earth anchor has the tubular piece 11 of spiral plate 12, at the other end of earth anchor one jack part 13 is arranged, and earth anchor also has an intermediate support spare 14.The front end of part 11 is straight and forms a pointed cone 15 in the middle of one and a

relative side tooth

16 and 17 that stretches out from relative direction.Spiral plate 12 comprises a metal 18, and bar 18 is fixed to adjacent on the position on the part 11 of tooth 17, and stretches around part 11 spiralitys, and it terminates in along on the position 19 of part 11.Opposite end width with 18 is connected on the part 11 with being tapered.Zone 20 between spiral ribs 12 and seat member 14 does not have projection and defines the compressive zone of soil.

Seat member 14 has the shape of circular pads 21, and liner 21 preferably has roughly identical with the radial dimension of rib 12 radial dimension, to limit abutment surface 22.Socket portion 13 is limited by part 11 upper ends, and socket 13 has some radially-protruding ribs 23, makes socket 13 can hold the pillar of garden shape, square or other cross section.

In the application shown in Fig. 5, with arbitrary appropriate device anchor 10 to be placed into the soil in 24 simply, this device can comprise hand gear or electric driver, it can drive anchor 10 rotations.Cusp 15 utilizes part 11 to creep in the soil 24, and spiral plate 12 causes anchor 10 to advance in soil 24 when anchor rotates.Discharging 1 material by spiral plate 12 will be compacted between the radially abutment surface 22 that plate 12 and part 14 limit.The degree that anchor 10 pierces soil 24 is stretched out on ground socket 13, is used to hold post 25, and post 25 preferably seat if desired, can be provided with fastener so that post 25 is fixed on the socket 13 on part 14.For ease of dismounting, each post 25 can be removed by socket 13 easily, and after this anchor 10 screws out from soil so that use.

For strengthening confining force, part 11 can be increased in the length in zone between seat member 14 and the spiral plate 12.Spiral plate 12 also can be on garden week size than above-mentioned increase or reduce.Shape and

tooth

16 and 17 that the front end of part 11 can have except the cusp that has illustrated can be removed.In addition, this front end can increase hardness and increase penetration power.

In preferred structure, part 11 can comprise that one electroplates pipe, and plate 12, seat member 14 and rib 23 welderings are thereon.Replacedly, but anchor 10 cast solids and the most handy resistant material are made.In conjunction with top described following other example of the present invention of discussing.

According to the form of another kind of anchor 26 of the present invention, anchor 26 comprises the elongate shift 27 in a hollow box cross section shown in Fig. 6 and Fig. 7, and axle 27 has isolated

spiral plate

28 and 29, two plates and has the front end that equidirectional and plate 28 are arranged on axle 27.Plate 29 is bigger than the radial dimension of plate 28.Axle 27 front end can be pointed or have another pointed opposite end that cusp 30 is beneficial to contact soil, axle 27 and be connected on the coaxial inner sleeve 31 that the hollow tube that sleeve 31 has certain-length is used for location (empty outline line illustrates).

Fig. 8 and Fig. 9 illustrate the similar form of earth anchor 32, yet, in this example, spiral plate 29 removed and axle 27 shorter.

In each case, axle 27 upper end facilitates penetration of the drive unit that sleeve 31 is used to engage respective shapes, and this device can insert in the cover and to drive

anchor

26 and 32 with axis of rotation and pierce among the soil.When anchor 32 had similar action shown in Fig. 1 to Fig. 5, the spiral plate 29 of anchor 26 had increased confining force in addition.

Anchor recited above is specially adapted to resist transverse load, be used for fixing fence in the use, erect label, label bearing post, tennis court enclosure wall and forcing press enclosure wall, wherein overlap 31 and can hold and support a vertical post, available if desired screw or bolt are fixed to post on the cover 31.

Earth anchor 33 shown in Figure 10 to Figure 13 and 34 engages the mullion (being shown in dotted line), similar in appearance to the anchor of Fig. 6 to Fig. 9 except

overcoat

35 and 36 is set.The axle 37 of anchor 33 stretches out under 35 at cover, sleeve 35 be tubulose connect socket 38 to be provided with, connect drive unit or connect drive unit in Fig. 6 to Fig. 9 example.Sleeve 36 among Figure 13 is that box section is to hold the post of similar shape.

The

earth anchor

33 and 34 of Figure 10 and Figure 12 also is included in seat board 39 of

sleeve

35 and 36 bottoms, and seat board 39 is plate-like preferably, and in use plate 39 is placed on the ground or adjacent to ground, as shown in Figure 5.Clearly,

sleeve

35 and 36 can have different size and post or the similar item of varying cross-section to be fit to be supported.

Anchor

40 and 41 shown in the example of Figure 14 and Figure 15 is used to engage pin 44(and is shown in dotted line except

cover

42 and 43 is set in the U-shaped saddle), pin is connected within

saddle

42 and 43 with traditional bolt, all similar in appearance to the anchor of Figure 10 and Figure 12.In Figure 10 and Figure 12,

anchor

40 and 41 comprises that ground connection props up seat board 45.

The anchor of Figure 14 and Figure 15 is designed to be used for resisting the climbing power that is mainly produced by wind-force, and can drive by hand gear or Power Drive Unit, drive

unit joint saddle

42 and 43 is used for driving rotatably

anchor

40 and 41 and enters among the soil, till plate 45 sits on ground.

Figure 16 and 17

anchor

46 and 47 except

saddle

42 and 43 supports 48 by the angle section replace, similar in appearance to anchor 40 and 41, with bolt pass hole 49 with the post bolt on support 48.This anchor is specially adapted to connect and supports vertical garden wood such as the pine of handling.

Figure 18 and 19 anchor 50 and 51, except the main shaft of anchor in this example the 53 supporting saddles 52 of the elongated portion on the seat board 54, also similar in appearance to the anchor of Figure 14 and 15, concrete or stone are placed on 55 places under the supporting saddle 52 after this structure makes and installs in Figure 19.In this structure, can find out vertical elongate axis portion 53 the substrate of saddle 52 protrude upward be provided with a socket portion 54 ', be beneficial to order about anchor 50 and 51 and enter in the soil.

Figure 20 and 21

anchor

57 and 58 are particularly suitable for a fence pillar (being shown in dotted line) such as roll guard.Each anchor comprises the columnar shaft 59 of a hollow, and an end of axle 59 has the

spiral plate

60 and 61 that separates, and its other end has an actuating sleeve 62.As shown in the figure, the radial dimension of comparing spiral plate 60 with spiral plate 61 has strengthened the ability that keeps adjacent to ground surface to increase.Each front end of 59 also is pointed.The embodiment of Figure 21 comprises a cover 63 around axle 59, is used to provide an external socket or sleeve to adapt to the post that

size increases.Anchor

57 and 58 common vertical settings are with bearing post, but setting that can be at angle when being used for corner post.

Figure 22 and 23 illustrates the specific use of earth anchor of the present invention, so that bumper post or reflective lamppost to be set.In as Figure 22, earth anchor 64 is except comprising a cylindrical jacket 65 with the vertical bumper post 66 that supports a hollow, and homogeneous phase is similar to the example of Figure 12, and the post 66 of hollow can be located on the vertical sleeve 65 of anchor 64 and with screw or be bolted to this place simply.

In the embodiment of Figure 23, anchor 67 constitutes with the form of the cylindrical member 68 of hollow, and an end of cylindrical member 68 has a dish type flange 69, and a spiral plate 70 is arranged in its opposite end.Bumper post 71 also be hollow and have plate-like flange 72 in its lower end, flange 72 engagement flanges 69 and flange is fastening with bolt 73 or other securing member.

Figure 22 and 23 column assemblies of describing can be used on communication setting, the electric power setting of basis, city, gas meter or other the similar setting that is provided with on the protection ground, roadside.The top pillar 66 of two members or 71 will fracture under very big stress, and remaining complete ground casts anchor and partly can re-use.If the top pillar of assembly damages, can provide for simple replacement of very much, new pillar is put into stays on the underground earth anchor.

Figure 24 and 25 illustrates the alternative of

basic anchor

74 and 75, and each anchor comprises the axle 76 of a square-section.A seat board 77, axle 76 stretch out on plate 77 constituting a drive socket 78, and at the bottom of axle 76 front end one spiral plate 79 are arranged.The embodiment of Figure 25 also comprise one with axle 76 coaxial reinforced pipes 80, when pipe 80 has increased the ability of opposing lateral force when underground.If desired, every axle 76 can increase the spiral plate that example is shown as Figure 18.

Figure 26 and 27

anchor

81 and 82 are designed on the base application, so that the bigger load of carrying is such as supporting power or communication rod or pillar or

light pole.Anchor

81 and 82 all comprises a tubular shafts 83, and axle 83 upper ends have a plate-like and cooperate the lower end of flange 84 and axle 83 that a spiral plate 85 is arranged, and the front end of axle 83 is tapers in each case, is open as shown in the figure.Anchor 82 comprises that also another spiral plate 87 at axle middle part is to increase such as the confining force in sandy soil.Have groove 88 on the axle 83 of

anchor

81 and 82, groove 88 is adjacent to flange 84, and cable is powered to lighting device at the underground groove 88 that passes.When being used for communication cable, flange be in the middle of perforate or flange 84 are being provided with coaxially of packing ring shape around axle 83.Cable passes groove 88 and upwards walks in the inside of

anchor

81 or 82 posts that support.

Figure 28 shows an improvement structure of the earth anchor of Figure 26 and 27.In this example, the lower end of earth anchor 89 is similar in appearance to anchor 81 and 82, yet in the upper end, anchor 89 terminates in spiral plate 90, and plate 90 has isolated hole 91.One actuator 92(Figure 30 illustrates) the lower end have a spiral plate 93, plate 93 complementary panels 90, plate 93 have hole 94 with spiral plate 90 on hole 91 align.In the upper end of earth anchor 89, actuator 92 is provided with one and drives flange 95, and flange 95 can be connected on a rotational driving device or the device, pierces in the soil so that anchor 89 is driven.When driving into, when driving the controlled feasible increase moment of torsion of moment of torsion that motion device applies, anchor 89 has been driven enters the desired depth that enters in the soil.If do not reach torque value, auxiliary linkage section 96(Figure 30 does not go out) can be connected on the anchor 89, linkage section 96 has spiral plate 97 and 98 at its opposite end, is used for complementally engaging the spiral plate 90 and 94 of anchor 89 and device 92, and spiral plate 97 and 98 has the hole and is used for interconnection.Between device 92 and anchor 89 or be connected with spiral plate between connector/anchor at device/connector, be to pass hole realization connection on the spiral plate separately by bolt.Can increase subconnector 96, till reaching required torque, realize like this creeping into.

Figure 31 and 32 shows the conversion pattern that can regulate

anchor assemblies

99 and 100, is specially adapted to provide the basis of building such as movable building.In the embodiment of Figure 31, assembly 99 comprises an earth anchor 101, comprises a hollow main shaft 102, at front-end of spindle an axle spiral ribs 103 of 104 that reduces around diameter is set.Main shaft 102 also is equipped with a seat board 105, and the part that main shaft stretches out on a seat board is 106.106 parts comprise or anchor clamps 107 are housed.Bearing post 108 puts in the quill shaft 102 coaxially, and the ground support that support 109 is used to support movable building or similar facilities is equipped with in the upper end of post 108.Anchor 102 can be installed in the underground of desired location, and post 108 stretches out and clamp at desired height from anchor, is for example clamped by anchor clamps 107, as shown in phantom in FIG..

The assembly 100 of Figure 32 comprises an earth anchor 110, and anchor 110 is equipped with the spiral plate 111 that separates and 112 and the mullion part 113 used more than ground.The tube-like piece 114 of one hollow is set on post part 113, has a bearing support 115 in the upper end of tube-like piece, and one anchor clamps 116 are arranged, post 114 can be clamped on a position with respect to post 113 risings and by anchor clamps 116 in its opposite end.

In an alternative, anchor clamps 107 can be removed and post part 106 can have one or more holes.Post 108 also can have the array of spaced hole, and the hole on these holes and the shell of column 106 aligns, and to hold a bolt or similar item post 108 is locked at required extended position.

Adjustable anchor assemblies of Figure 31 and Figure 32 is specially adapted to but is not that unique being applicable to need not the place is penetrated in the

inclination place.Post

108 or 114 can be adjusted to desired height and clamped in this position simply.In an alternative, post 114 can have isolated hole, and the similar hole on these Kong Yuzhu 113 aligns, to hold pin or the bolt that passes

wherein.Support

109 and 115 can have different designs and be beneficial to use.

The earth anchor 119 of Figure 33 comprises an elongated axle 120, at the front end of axle the spiral plate 121 of one minor diameter is arranged, and on the other end of axle seat board 122 of terminating.Around axle 120 another spiral plate 123 is housed below a seat board 122, its radial dimension is compared with spiral plate 121 and has been strengthened.Propping up seat board 122 has central screw 124 and the hole 125 that separates on week in the garden is arranged.For anchor 120 being driven in the soil, be provided with the drive unit 126 shown in Figure 34, device 126 has base plate 127 and is used for being positioned the isolated pin 128 in hole 125, is used for connecting a seat board 122.Device 126 also comprises a drive socket 129, is suitable for engaging a rotational driving device.In use install 126 and be bolted on the seat board 122, after this anchor is driven in underground by pin 128.Installing 126 then can remove, and can select the fixture among Figure 35 a-d, and it is threaded onto in the hole 124.The anchor of Figure 33 can be used for various objectives.For example the saddle shown in Figure 35 a and the b can be threaded onto in the screw 124 and by locknut and be locked on the desired height, to be formed on the anchor shown in Figure 14,15,18 and 19, is used to support vertical pillar.Part in addition shown in Figure 35 c constitutes the anchor of the shape of anchor 119 similar in appearance to Figure 16 and 17, is used to support pillar.The shape that part in addition shown in Figure 35 d constitutes anchor 119 is similar in appearance to the anchor shown in Figure 32, and adjustable-height is used for the supporting of bearing.Certainly, many different elements can engage with anchor 119 and be used for supporting.

Refer now to Figure 36 and 37 and show a bearing assembly 130, be used to support label or similar item.Assembly 130 comprises an anchor 131 similar in appearance to the anchor of Figure 25, and anchor 131 has another spiral plate 132 around axle 133 adjacent to tubular portion 134.A seat board 135 has four vertical double-screw bolts 136 in this example, is used to hold the porose flange 137 that is fixed on post 138 lower ends.The socket portion 139 of the elongation by axle 133, anchor 131 can drive and enter in the soil, leans against on the ground or adjacent to ground up to a seat board 135.Then flange 137 can be put into above the double-screw bolt 136 and nut 140 must be on the double-screw bolt 136 of flange 137 opposite sides with the required vertical position of adjustable column 138.Post 138 also comprises a coaxial lid 141, and lid can slide into position shown in Figure 36 downwards, to cover double-screw bolt 136, nut 140 and flange 137.Post 138 can be adorned any type of label 142, such as the road sign that is fixed to post 138 with any type of securing member.

If above-mentioned label is subjected to the bump such as automobile, it disconnects between junction flange 137 and post 138, and the anchor 131 that is not damaged is stayed underground, allows to change label.Certainly, an above-mentioned more than column assembly can be used to support single label.

Figure 38 and 39 illustrates the anchor according to the back fixation of principle of the present invention.In this form, each anchor 143 all has the axle 144 of a short square-section, and axle 144 has spiral plate 145 and the preceding closing end 146 of a taper.There is the end of thread 148 of a screw 147 to hold back fixation bar 149 opposite end of axle 144.Connect and turning cylinder 144 by a drive unit, anchor 143 is driven enter underground certain depth.By the coefficient end of thread 148 and screwed hole 147, back fixation bar 149 can be threaded with anchor 143 usefulness then.One locking nut 150 is set so that back fixation bar 149 is fixed on the anchor 143.Increase hold facility if desired, a connection piece 151 is set, cover 152 in the two ends of part 151 have, cover 152 are complementary to the axle 144 of each anchor 143.The axle 144 of anchor 143 is porose at opposite end 153 places, to hold pin or the bolt 154 that passes the hole on the cover 152 that aligns, so that two anchors 143 are linked together.When piercing in the ground or take place, first anchor 143 part finishes this connection procedure before this.More anchor 143 in a similar manner can interconnect.The anchor assemblies that constitutes above can be used for many various objectives, is used for the purposes of the tight or guy rope of bolt.Figure 40 illustrates a kind of application mode, pierces in the soil with supporting precast concrete wallboard at anchor.

Figure 41 illustrates earth anchor according to the present invention and is used for praedial label.Each anchor 155 comprise a square-section the axle 156, the axle 156 some 157, in 157 lower end spiral plate 158 is housed.One drive unit 159(sees Figure 42) can be contained on the axle 15 (being shown in dotted line), be used to drive anchor 155 and enter underground.Being used for this destination device comprises and is complementary to 156 a sleeve 160 and a cross bar 161.Sleeve 160 has a trip bolt 162, is being fixed on the desired height on the axle 156 so that overlap 160.Bar 161 impose downward rotatory force order about the axle 156 enter underground.Remove cross bar 161 then, and a label suspension arrangement 163 installs on the axle 156.Label suspension assembly 163 also comprises the sleeve 164 and the supporting arm 165 that stretches out from sleeve 164 that are complementary to axle 156.Sleeve 164 closes at the upper end of axle so that it only slides above axle 156 and is supported as shown in the figure, makes label 166 can hang on the arm 165.Interchangeable, sleeve 164 can be along axle 156 slips and fastening by bolt or similar item.

The earth anchor that the present invention provides as mentioned above has many different purposes, and the most handy corrosion-resistant or anti-corrosion material of anchor of the present invention is made, and anchor can be electroplated for this purpose.It is underground that anchor of the present invention can use hand gear that anchor is pierced when some are used, but and in other are used the working power drive unit.

In the embodiments of the invention that provided in the above, the scope that many variations that the professional and technical personnel is made and modification do not exceed manual of the present invention and claim thereafter.

Claims

1, a kind of earth anchor comprises: the carrying pipe of a homogeneous diameter, adjacent to the soil penetration end of pipe one spiral plate is arranged, and isolated from described spiral plate along pipe holistic ground engagement flange is housed.

2, according to the earth anchor of claim 1, it is characterized in that: described ground is meshed flange or is had flat disc-shape or screw type.

3, according to the earth anchor of claim 1, it is characterized in that: described ground engagement flange is a spiral plate, and it has the identical radial dimension of spiral plate that penetrates end with the soil adjacent to anchor.

4, according to the earth anchor of claim 1 or 3, it is characterized in that: this spiral plate or each spiral plate are along the extension of 360 ° of Guan Jinyue, and its pitch is between 35 to 100 millimeters.

5, according to the earth anchor of claim 1 or 2, it is characterized in that: described pipe has a support in the end that penetrates end with respect to its soil, is used to support building unit.

6, according to the earth anchor of claim 1 or 2, it is characterized in that: described pipe has an external socket in the end that penetrates end with respect to its soil, and a post connector or another pipe are contained in the socket and are supported.

7, the earth anchor according to claim 1 or 2 is characterized in that: described pipe has in one cover in the end that penetrates end with respect to its soil, to hold and to support a pillar, a connection piece or other pipe.

8, according to the earth anchor of claim, it is characterized in that: the ground engagement flange of described integral body is arranged on the end with respect to spiral plate of pipe, and wherein said flange is used for cooperating with another flange of another pipe and coupling together.

9, according to the earth anchor of claim 1, it is characterized in that: the ground of described integral body engagement flange is arranged on the end with respect to spiral plate of pipe, and wherein second whole ground engagement flange is arranged on the pipe middle part between the pipe two ends.

10, according to the earth anchor of claim 1 or 2, it is characterized in that: described carrying pipe comprises that anchor clamps tightly install, so that building unit fastens dress thereon.