CN202466583U - End bearing ground anchor capable of being completely recovered - Google Patents

End bearing ground anchor capable of being completely recovered Download PDF

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Publication number
CN202466583U
CN202466583U CN2012200483821U CN201220048382U CN202466583U CN 202466583 U CN202466583 U CN 202466583U CN 2012200483821 U CN2012200483821 U CN 2012200483821U CN 201220048382 U CN201220048382 U CN 201220048382U CN 202466583 U CN202466583 U CN 202466583U
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anchor
fluke
anchor pole
anchor fluke
hinged
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CN2012200483821U
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Chinese (zh)
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覃永忠
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Individual
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Abstract

The utility model discloses an end bearing ground anchor capable of being completely recovered. The end bearing ground anchor comprises an anchor rod, an anchor rod sleeve and anchor claws, wherein the anchor rod is a straight rod with one end provided with a disc-shaped flange, the lower part of the anchor rod is sheathed with a tubular anchor rod sleeve, the bottom surface of the anchor rod sleeve is provided with an annular bulge, a plurality of the anchor claws are arranged, and the upper end of each anchor claw is hinged on the outer edge of the lower end of the annular bulge arranged at the bottom surface of the anchor rod sleeve. The end bearing ground anchor can be fast used after the installation completion, the plurality of anchor claws are arranged, the anchoring force is strong, the dismounting and the mounting are fast, and the complete recovery of the ground anchor can not be influenced when the hole bottom collapses.

Description

A kind of end that can reclaim fully holds earth anchor
Technical field
The utility model relates generally to the ground anchorage field in the construction project; Especially relate to and a kind ofly be applicable to that the provisional end that can reclaim fully holds earth anchor; The utility model can be used for support engineering, also can be used as the counter-force anchoring system of the static loading test of foundation pile, ground, composite foundation etc.
Background technology
Employed anchor pole is technological on the engineering at present, and the on-disconnectable anchor pole that removes formula is fixed in being of using often, and the detachable anchor pole of minority is also arranged; Its carrying form also is that bar side friction-type or half end hold half friction-type; Also also have some to anchor into the anchor pole of soil body type, but such anchor pole is few because of its anchor fluke, anchored force is also little; Again because of its anchor fluke anchors into the soil body, so its dismounting also has difficulties.Mechanical characteristic by ground can know, the end supporting capacity of various ground is much larger than frictional force that it provided.Just because the side-friction force that provided of ground system is less, during like the bigger anchored force of needs, only depend on to increase anchor bar body diameter and length and quantity to satisfy instructions for use, can raise the cost greatly.So should increase anchored force through the mode that increases the end bearing capacity as far as possible.
Callable anchor pole, immediate comparison document is following:
Application number is to disclose a kind of umbrella type anchor in 97103512.1 the Chinese invention patent: mainly be made up of anchor pole, umbrella thigh, tension flexible net; The opening and closing of the similar umbrella of working method (inverted umbrella); The 27th the 5th phase of volume in conjunction with " rock mechanics " in May, 2006, disclosed " the umbrella formula is from expanding the research of anchor effect " can be known; At present this umbrella type anchor has four pairs from spreader bar, balancing pole, and maximum gauge is 85cm under its complete open configuration, and said " bearing capacity calculation still is in the elementary step because of this technology; still lack enough experiences, and suggestion is confirmed its bearing capacity through load test like article." combine the few structure of its anchor fluke quantity to know; the bearing capacity of this type ground tackle is little, and there is the shortcoming of a maximum in this earth anchor: " anchor head of this umbrella type anchor can separate with anchor pole, and anchor pole can re-use "; explain that this structure only can take out anchor pole; and can not take out anchor head, anchor pole cover (umbrella thigh, tension flexible net and anchor along etc.), most member can not reclaim, and waste is greatly.This anchor fluke hinge is located at the bottom, anchor fluke is relied on collude the force structure into the soil body, it is difficult to or can't all reclaims.
In sum, the anchored force that the disclosed umbrella type anchor of above-mentioned documents provides is little, can not reclaim fully.
Application number is 200820011652.5, the Chinese utility model patent of publication number CN201190283Y: expansion type earth anchor.Its anchor fluke quantity is four pairs, and operating principle is to put into the pitting that digs to earth anchor, and rotational lead screw inserts in the soil four pairs of anchor flukes; Making earth anchor produce anchored force, because its anchor fluke quantity is few, is that (analysis should be and digs " control " because of " hole of minor diameter " put into again; Because of having the hole word thereafter, should be malapropism), add that its anchor fluke " insertion soil " and purposes are for setting up lead construction or electric power pylon reinforcing; Can know; It need solve when burying underground and dig pit, the problem that need not dig pit during dismounting, and its anchored force that can provide also has limitation very much.
Application number is 200720069921.9, and notification number is CN201031390Y, and name is called the Chinese utility model patent of " implemental enlargement head uplift pile "; Though its uplift resistance is big, big because of its footpath, need big external force that stake is pressed in weak soil or the sand during use; A fin that drives at the bottom of making through jack again opens, and produces uplift resistance, and when reclaiming also since between its open fin the space big; Weak soil gets into above-mentioned space easily, so also need use bigger power to reclaim.
Though so this utility model can provide big anchored force also can reclaim, required equipment is big, reclaimer operation is also complicated.
The utility model is put into anchor pole after adopting the preboring reaming again, makes anchor fluke open stressed scheme from the bottom up, can solve equipment enlarging, can solve anchor pole again and be difficult for taking out the problem that anchored force is little.
The utility model content
The utility model technical problem to be solved is: even providing a kind of can come into operation rapidly, anchor fluke is many, anchored force is big, occurring subsiding at the bottom of the fast assembling and disassembling hole does not influence the end that earth anchor reclaims fully yet and hold earth anchor.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is following:
A kind of end that can reclaim fully holds earth anchor; Comprise anchor pole and anchor fluke; It is characterized in that: described anchor pole is the straight-bar that a lower end is provided with disc-shaped flange; Anchor pole is with the anchor pole cover of tubulose, and said anchor pole cover bottom surface is provided with annular projection, and said anchor fluke is a plurality of; The upper end of each anchor fluke is hinged on the outer, lower end of anchor pole cover bottom surface annular projection, make anchor fluke when anchor pole promotes around outer, the lower end-annular hinge of annular projection by be parallel to the bolt shaft line position to perpendicular to the rotation of bolt shaft line position so that anchor fluke expand radially.
The use of the utility model: the end of in having bored the Kong Bingkuo anchor hole at the good end, putting into the utility model holds earth anchor, and this moment, anchor fluke was in rounding state, upwards promoted said anchor pole; As connecting jack in the anchor pole upper end; The disc-shaped flange that is provided with through its lower end in the process that anchor pole moves upward drives anchor fluke and slowly launches, until anchor fluke clamped by the disc-shaped flange of anchor pole cover bottom and anchor pole and anchor fluke can not go up again transfer moving till, anchor fluke is launched into radial screen at this moment; Anchor pole is positioned at anchor pole to put; And the anchor pole cover is positioned on the rock-soil layer, this moment said screen the upper surface of the upper surface reaming being close in the rock-soil layer to be bored, make first pretension between rock-soil layer and the earth anchor; Produce the screen effect between screen and rock-soil layer very big end resistance is provided, produce very big anchored force; After using, loosen anchor pole, anchor fluke draws in downwards, loosens anchor pole cover (discharge need not loosen behind the anchor fluke anchor pole cover also can be with the earth anchor overall pulling down) again and can end be held the earth anchor overall pulling down and reclaims, in order to use next time; The anchor fluke quantity that the utility model is provided with is more; When anchor fluke was launched into screen, the distance between the anchor fluke was less, even the hole of collapsing phenomenon is arranged; Also can be because of the anchor fluke spacing is little, the foreign matter of bulk such as stone etc. can not fall into from the space between the screen at the bottom of the hole and influence the gathering of anchor fluke.
Preferred implementation as the utility model:
The structure that the upper end of described each anchor fluke is hinged on the outer, lower end of anchor pole cover bottom surface annular projection is: the outer, lower end of said anchor pole cover bottom surface annular projection is provided with the annular outer edge, and the preceding upper end of described anchor fluke is provided with inner groovy and wraps up described annular outer along forming hinged relationship; Or the structure that the upper end of described each anchor fluke is hinged on the outer, lower end of anchor pole cover bottom surface annular projection is: the outer, lower end of said anchor pole cover bottom surface annular projection is provided with annular inner groovy, and the front end of described anchor fluke is provided with outer convex edge and embeds described annular inner groovy formation hinged relationship.
The above-mentioned articulated structure of the utility model; Whole hinge be said annular outer along or annular inner groovy on all can hinged anchor fluke; So anchor fluke can be arranged side by side and form a circle closely, thereby increase the quantity of anchor fluke greatly above that, reduced the gap between the anchor fluke.
Can be the preferably following embodiment of the utility model:
1) inboard, lower end of described anchor fluke is provided with chamfering, and when anchor fluke was in rounding state, it is inboard that the upper edge of the disc-shaped flange of said anchor pole lower end falls into the space that is surrounded by chamfer under the anchor fluke.When upwards promoting said anchor pole, the upper edge of the disc-shaped flange on the anchor pole launches anchor fluke through the chamfering of extruding anchor fluke.
2) lower end of described anchor fluke is hinged with support bar, and the lower end of said support bar is hinged on the outer of disc-shaped flange of said anchor pole.When upwards promoting said anchor pole, support bar, launches thereby support each anchor fluke to away from the motion of anchor pole cover axial location around the pin joint of the hinge rotational support of its upper and lower side itself and anchor fluke.Under anchor fluke, support bar is set, can improves stability that the utility model end holds earth anchor, improve the functional performance of material, be difficult for being out of shape, influence the result of use in later stage because of long-term use like anchor fluke.
The upper end of said anchor pole is provided with external screw thread, and anchor pole puts the lifting end nut is set, and said anchor pole is installed in anchor pole through said lifting end nut and puts.
Said anchor pole set upper side also is provided with external screw thread, and anchor pole puts and also is set with anchor slab and setscrew nut from the bottom up successively, and said anchor pole cover is installed in above the rock-soil layer through said anchor slab and setscrew nut.
When said anchor fluke drew into hollow column in, the opposite face of adjacent anchor fluke was closely adjacent, and anchor fluke is launched into when radial, and the opposite face of adjacent anchor fluke hinged end is closely adjacent.
With respect to prior art, the utlity model has following beneficial effect:
1) the utility model is provided with a plurality of anchor flukes on the outer, lower end of anchor pole cover bottom surface annular projection, and the anchor fluke spacing is little, be launched into screen after, the end resistance between screen and the rock-soil layer is big, the anchored force that earth anchor can provide is big; The end of the utility model holds earth anchor in whole assembling and dissembling process, all need not to build to mix earth etc., installs very convenient; After installing, can come into operation rapidly, loosen anchor pole and anchor fluke anchor pole the cover after; The end of the utility model holds earth anchor and can wholely take out, and dismounting is clean quick; Because the anchor fluke spacing is little, can effectively stop can influence the bulk foreign matter that anchor fluke draws in and fall within the bottom of the hole, even occurring at the bottom of the hole subsiding does not influence the end that earth anchor reclaims fully yet and hold earth anchor, farthest saves cost;
2) the utility model can be arranged side by side anchor fluke closely and forms a circle through the articulated structure between the outer, lower end that anchor fluke and anchor pole cover bottom surface annular projection is set cleverly on the outer, lower end, thereby has increased the quantity of anchor fluke greatly; Reduced the gap between the anchor fluke; After anchor fluke was launched into screen, the anchored force that can provide was bigger, and the gap reduces between anchor fluke simultaneously; Prevent that better the bulk foreign matter from falling within the bottom of the hole, make earth anchor dismounting, reclaim all convenient.
Description of drawings
Stereogram when Fig. 1 a is the gathering of embodiment one anchor fluke;
Stereogram when Fig. 1 b is the expansion of embodiment one anchor fluke;
Fig. 2 a is the enlargement decomposition between anchor fluke and the anchor pole cover among the embodiment one;
Fig. 2 b is the enlargement decomposition between anchor fluke and the anchor pole cover among the embodiment two;
Fig. 3 a is the enlarged drawing when anchor fluke draws among the embodiment one;
Fig. 3 b is the enlarged drawing when anchor fluke draws among the embodiment two;
Fig. 4 a is the enlarged drawing when anchor fluke launches among the embodiment one;
Fig. 4 b is the enlarged drawing when anchor fluke launches among the embodiment two;
Fig. 5 is the stereogram of single anchor fluke among the embodiment one;
Stereogram when Fig. 6 a draws into hollow column in for a plurality of anchor flukes among the embodiment one;
Fig. 6 b is the stereogram when radial for a plurality of anchor flukes among the embodiment one are launched into;
Stereogram when Fig. 7 a draws into hollow column in for a plurality of anchor flukes among the embodiment two;
Fig. 7 b is the stereogram when radial for a plurality of anchor flukes among the embodiment two are launched into;
State diagram when Fig. 8 a draws into hollow column in for a plurality of anchor flukes among the embodiment three;
Fig. 8 b is the enlarged drawing at a place among Fig. 8 a;
State diagram when Fig. 9 a is launched into for a plurality of anchor flukes among the embodiment three;
Fig. 9 b is the enlarged drawing at b place among Fig. 9 a;
State diagram when Figure 10 a draws into hollow column in for a plurality of anchor flukes among the embodiment four;
Figure 10 b is the enlarged drawing at c place among Figure 10 a;
State diagram when Figure 11 a is launched into for a plurality of anchor flukes among the embodiment four;
Figure 11 b is the enlarged drawing at d place among Figure 11 a.
The specific embodiment
Embodiment one
Hold the stereogram of earth anchor embodiment one like Fig. 1 for the end that can reclaim fully of the utility model, for ease of observing, the axis along anchor pole cover 1 among the figure has cutd open a part; As shown in Figure 1, the end of the utility model holds earth anchor and comprises anchor pole cover 1, anchor fluke 2, anchor pole 3; Anchor pole 3 is the straight-bar that a lower end is provided with disc-shaped flange 31; Anchor pole 3 is with the anchor pole cover 1 of tubulose, and anchor pole overlaps 1 bottom surface and is provided with annular projection 11, and is as shown in Figure 2; Anchor fluke 2 is a plurality of, and the upper end of each anchor fluke 2 is hinged on anchor pole and overlaps on the outer, lower end of 1 bottom surface annular projection 11.
Fig. 2 a is hinged on the structure on the outer, lower end of anchor pole cover bottom surface annular projection for the upper end of each anchor fluke among the embodiment one: the outer, lower end that anchor pole overlaps 1 bottom surface annular projection 11 is provided with annular outer along 111, and the upper end of anchor fluke 2 is provided with the described annular outer of inner groovy 22 parcels and forms hinged relationship along 111.Anchor fluke 2 has a plurality of; The upper end of anchor fluke 2 is hinged on the sidewall of annular projection 11; Make anchor fluke 2 overlap 1 axial location to overlapping the rotation of 1 axial location perpendicular to anchor pole, shown in Fig. 3 a and 4a by being parallel to anchor pole along the sidewall of annular projection 11 so that anchor fluke 2 expands radially.Fig. 3 a, 4a are respectively anchor fluke gathering, the enlarged drawing when launching among the embodiment one.A plurality of anchor flukes 2 directly are arranged side by side and form a circle, shown in Fig. 6 a, 6b.Fig. 6 a, 6b are respectively anchor fluke 2 gatherings, the stereogram when launching among the embodiment one.
Like Fig. 3 a and shown in Figure 5, the inboard, lower end of anchor fluke 2 is provided with chamfering, and when anchor fluke 2 was in rounding state, it is inboard that the upper edge of the disc-shaped flange 31 of anchor pole 3 lower ends falls into the space that is surrounded by 2 times chamfers of anchor fluke.Anchor pole 3 moves up and down along anchor pole cover 1; The disc-shaped flange 31 of anchor pole 3 lower ends is upwards pushed or is loosened anchor fluke 2; Make anchor fluke 2 be launched into radial or draw into hollow column in, as shown in Figure 6, and the diameter of said hollow column is not more than the diameter of said anchor pole cover 1.
Certainly, also can implement the purpose of the utility model under the situation of open column shape body diameter greater than anchor pole cover diameter.
Fig. 6 is the stereogram of the anchor fluke 2 among the utility model embodiment one, and when anchor fluke 2 drew into hollow column in, the opposite face of adjacent anchor fluke 2 was closely adjacent; See Fig. 6 a; Anchor fluke 2 is launched into when radial, and the opposite face of adjacent anchor fluke 2 hinged ends is closely adjacent, sees Fig. 6 b.The concrete structure of anchor fluke is: as shown in Figure 6, the inboard, upper end of anchor fluke 2 is provided with inner groovy 22, and the outside, upper end is with the same chamfering that all is provided with in its lower end, and the cross section of anchor fluke 2 is fan-shaped or is similar to trapezoidal shape.Angle between anchor fluke 2 left and right sides is the number of degrees of counting the circumference in equal parts gained with the sheet of anchor fluke 2; Described a plurality of anchor fluke can surround described anchor pole when drawing in; The upper end is also for for fan-shaped or trapezoidal before the anchor fluke 2, and when anchor fluke 2 was opened, upper end can close up and surrounds a radial anchor ring before it.
The concrete work progress of embodiment one is following:
In having bored the Kong Bingkuo anchor hole at the good end, put into the end that has assembled and hold earth anchor, this moment, anchor fluke 2 was in rounding state, will utilize device support anchor pole cover and anchor poles such as hollow jack, anchor slab 5 and setscrew nut 6; Upwards upgrade said anchor pole 3; The chamfering of extruding anchor fluke 2 was slowly launched anchor fluke 2 when the disc-shaped flange 31 on the anchor pole 3 moved upward, till anchor fluke 2 is overlapped disc-shaped flange 31 clampings, the expansion of 1 bottom and anchor pole 3 by anchor pole anchor fluke 2 receives the rock-soil layer drag effect to cause whole earth anchor to move on can not be again; At this moment; Anchor fluke 2 is launched into radial screen, the anchor pole position of 3 this moments of having good positioning, the anchor pole of also having good positioning cover 1 position at this moment; At this moment the upper surface of said screen is close to rock-soil layer; Rock-soil layer and anchor pole cover system are played the pretension effect, produce the screen effect between screen and rock-soil layer very big end resistance is provided, produce very big anchored force.In the utility model whole erection process, do not relate to materials such as concrete,, can come into operation at once once installing.
After using; The operation jack loosens anchor pole 3; Disc-shaped flange 31 on the anchor pole 3 moves downward; Anchor fluke 2 draws under the self gravitation effect or anchor pole cover 1 descends extruding anchor fluke 2 draws in or end when holding earth anchor and taking out anchor fluke 2 finally make anchor fluke 2 draw into hollow column in and make whole end hold earth anchor to be extracted smoothly by the rock-soil layer extruding and draw in.Because a plurality of anchor flukes 2 direct neighbors in the utility model, the spacing between the anchor fluke 2 is little, and can effectively stop can influence the bulk foreign matter that anchor fluke draws in and fall within the bottom of the hole, even occurring at the bottom of the hole subsiding does not influence earth anchor yet and reclaim fully, farthest provides cost savings.
Embodiment two
Shown in Fig. 2 b, 3b, 4b, 7a, 7b, be each corresponding views of the utility model embodiment two.Embodiment two is with the difference of embodiment one; The upper end of each anchor fluke is hinged on the structure on the outer, lower end of anchor pole cover bottom surface annular projection and is among the embodiment two: the outer, lower end that anchor pole overlaps 1 bottom surface annular projection 11 is provided with annular inner groovy 112, and the upper end of anchor fluke 2 is provided with outer convex edge 23 and embeds described annular inner groovy 112 formation hinged relationship.
Embodiment two is identical with the concrete work progress of embodiment one.
Embodiment three
Fig. 8, Fig. 9 are respectively the utility model embodiment three anchor flukes 2 when drawing in and the state diagram of anchor fluke 2 when launching, and the difference of itself and embodiment one is:
The upper end of anchor pole 3 is provided with external screw thread, is provided with on the anchor pole cover 1 and promotes end nut 4, and anchor pole 3 is installed on the anchor pole cover 1 through promoting end nut 4.Promote end nut 4 and be located at the upper surface of anchor pole cover 1, at this moment, promoting between end nut 4 and the anchor pole cover 1 is contact relation, and the rotary lifting end nut 4 up or down, and operation promotes or loosens anchor pole 3, realizes the expansion or the gathering of anchor fluke 2.Promote in the tube chamber that end nut 4 also can be fixedly installed on anchor pole cover 1 or the upper and lower side of anchor pole cover 1; As be fixed on the lower end of anchor pole cover 1; This moment anchor pole 3 rising or loosen through operation rotation anchor pole 3 and realize; But this moment, anchor pole 3 can suitably lack, can insert anchor pole by sleeve pipe and overlap 1 tube chamber and operate and rotate anchor pole 3.
Anchor pole overlaps 1 upper end external screw thread also is set, and also is set with anchor slab 5 and setscrew nut 6 from the bottom up successively on the anchor pole cover 1, and anchor pole cover 1 is installed on the rock-soil layer ground through anchor slab 5 and setscrew nut 6.
The concrete work progress of embodiment three and the difference of embodiment one are:
The lifting of operation anchor pole 3 or loosen through rotary lifting end nut 4 or anchor pole 3 and realize, and need not to be provided with in addition device such as jack, anchor pole cover 1 are to realize with setscrew nut 6 through the anchor slab of regulating on it 5 in the location on the rock-soil layer.
The end of in having bored the Kong Bingkuo anchor hole at the good end, putting into the utility model holds earth anchor; Adjust the position of anchor pole cover 1 through regulating anchor slab 5 and setscrew nut 6; Preferably make anchor pole overlap 1 lower surface and be lower than with the reaming upper surface that bored and make even, operation is tightened up and is promoted end nut 4, makes on the anchor pole 3 and moves; Disc-shaped flange 31 on the anchor pole 3 is upwards pushed anchor fluke 2; Tighten setscrew nut 6 after reaching the angle (overlap the angle between the disc-shaped flange 31 on 1 bottom surface and the anchor pole 3 through anchor pole is set, can make anchor fluke 2 open up into bigger angle) that needs, make to be launched into grating form; Adjust setscrew nut again the anchor fluke 2 of flare up grating form and rock-soil layer are adjacent to, utilize the screen effect and bring into play end and make usefulness.
Embodiment four
Be respectively the utility model embodiment four anchor flukes 2 when drawing in and the state diagram of anchor fluke 2 when launching like Figure 10, Figure 11; Embodiment four is with the difference of embodiment three: the lower end of anchor fluke 2 is hinged with support bar 7, and the lower end of support bar 7 is hinged on the outer of disc-shaped flange 31 of anchor pole 3.When anchor fluke 2 drew in, anchor fluke 2 all was parallel to anchor pole with support bar 7 and overlaps 1 axis.Articulated structure between the disc-shaped flange 31 of support bar 7 and anchor pole 3 is similar to the articulated structure between the annular projection 11 on the utility model anchor fluke 2 upper ends and the anchor pole cover 1.
When upwards promoting anchor pole 3, the disc-shaped flange 31 on the anchor pole 3 is upwards pushed support bar 7, and support bar 7, launches thereby support each anchor fluke 2 to overlap the motion of 1 axial location away from anchor pole around the pin joint of the hinge rotational support of its upper and lower side itself and anchor fluke 2.
The end of the utility model holds the effect that earth anchor mainly receives the end resistance that combines with the anchor fluke assembly from rock-soil layer.When the bigger anchored force of needs, only need strengthen reaming, each part dimension of anchor pole, the anchor hole degree of depth and get final product.
The utility model is mainly used in provisional very strong, the anchoring occasion that requires to provide big anchored force, is specially adapted to the counter force system of static loading test, and a plurality of the utility model ends hold the utilization of earth anchor, fully the high heap lotus method of displacement cost.The end of the utility model holds earth anchor not only can provide bigger anchored force, and can be removed fully easily, recycles; Not only saved use cost; Also save the engineering time, reduced difficulty of construction, and simple in structure because of it; Save cost of production equally, had good popularization value.
The utility model both can be used as end and has held anchor pole and make resistance to plucking usefulness, also can reaming, anchor fluke upper-lower position be exchanged, and suitably increase the size of each parts, also can be used as the compressive pile that provisional end holds and used.

Claims (5)

1. the end that can reclaim fully holds earth anchor; Comprise anchor pole and anchor fluke; It is characterized in that: described anchor pole is the straight-bar that a lower end is provided with disc-shaped flange, and anchor pole is with the anchor pole cover of tubulose, and said anchor pole cover bottom surface is provided with annular projection; Said anchor fluke is a plurality of, and the upper end of each anchor fluke is hinged on the outer, lower end of anchor pole cover bottom surface annular projection.
2. the end that can reclaim fully according to claim 1 holds earth anchor; It is characterized in that: the structure that the upper end of described each anchor fluke is hinged on the outer, lower end of anchor pole cover bottom surface annular projection is: the outer, lower end of said anchor pole cover bottom surface annular projection is provided with the annular outer edge, and the upper end of described anchor fluke is provided with inner groovy and wraps up described annular outer along forming hinged relationship.
3. the end that can reclaim fully according to claim 1 holds earth anchor; It is characterized in that: the structure that the upper end of described each anchor fluke is hinged on the outer, lower end of anchor pole cover bottom surface annular projection is: the outer, lower end of said anchor pole cover bottom surface annular projection is provided with annular inner groovy, and the upper end of described anchor fluke is provided with outer convex edge and embeds described annular inner groovy formation hinged relationship.
4. hold earth anchor according to claim 2 or the 3 described ends that can reclaim fully; It is characterized in that: the inboard, lower end of described anchor fluke is provided with chamfering; When a plurality of anchor flukes were in rounding state, it is inboard that the upper edge of the disc-shaped flange of said anchor pole lower end falls into the space that is surrounded by chamfer under the anchor fluke.
5. hold earth anchor according to claim 2 or the 3 described ends that can reclaim fully, it is characterized in that: the lower end of described anchor fluke is hinged with support bar, and the lower end of said support bar is hinged on the outer of disc-shaped flange of said anchor pole.
CN2012200483821U 2012-02-15 2012-02-15 End bearing ground anchor capable of being completely recovered Expired - Fee Related CN202466583U (en)

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CN102587368A (en) * 2012-02-15 2012-07-18 覃永忠 Completely recyclable end support ground anchor
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CN106223343A (en) * 2016-07-20 2016-12-14 华北水利水电大学 Automatic flip device is utilized to carry out foundation pit supporting method and the structure of soil nailing recovery
CN107268654A (en) * 2016-04-09 2017-10-20 河南城建学院 A kind of upper plate-anchor pole-ball basis and its construction method
CN109778854A (en) * 2019-03-21 2019-05-21 重庆交通大学 A kind of arrow anchor for soil body anchoring

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CN102587368A (en) * 2012-02-15 2012-07-18 覃永忠 Completely recyclable end support ground anchor
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CN105350587B (en) * 2015-11-16 2017-05-10 陆剑 Engineering pile foundation static load detection resistance anchor hoe
CN105350587A (en) * 2015-11-16 2016-02-24 陆剑 Engineering pile foundation static load detection resistance anchor hoe
CN107268654A (en) * 2016-04-09 2017-10-20 河南城建学院 A kind of upper plate-anchor pole-ball basis and its construction method
CN105839637A (en) * 2016-05-23 2016-08-10 化学工业岩土工程有限公司 Valve type enlarged footing stock supporting body
CN106223343A (en) * 2016-07-20 2016-12-14 华北水利水电大学 Automatic flip device is utilized to carry out foundation pit supporting method and the structure of soil nailing recovery
CN109778854A (en) * 2019-03-21 2019-05-21 重庆交通大学 A kind of arrow anchor for soil body anchoring

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