CN103147426A - Anchoring member for anti-impact materials of emergency spillways - Google Patents

Anchoring member for anti-impact materials of emergency spillways Download PDF

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Publication number
CN103147426A
CN103147426A CN2013100899681A CN201310089968A CN103147426A CN 103147426 A CN103147426 A CN 103147426A CN 2013100899681 A CN2013100899681 A CN 2013100899681A CN 201310089968 A CN201310089968 A CN 201310089968A CN 103147426 A CN103147426 A CN 103147426A
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CN
China
Prior art keywords
anchorage
thorn
pair
nail
soil
Prior art date
Application number
CN2013100899681A
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Chinese (zh)
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CN103147426B (en
Inventor
刘宁
李云
宣国祥
曾晨军
李传福
王晓刚
Original Assignee
水利部交通运输部国家能源局南京水利科学研究院
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Priority to CN201310089968.1A priority Critical patent/CN103147426B/en
Publication of CN103147426A publication Critical patent/CN103147426A/en
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Publication of CN103147426B publication Critical patent/CN103147426B/en

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Abstract

The invention relates to an anchoring member for anti-impact materials of emergency spillways, which belongs to the technical field of water conservancy projects. The anchoring member comprises a nail stem, a nail point and a nail head, the nail point is arranged on one end of the nail stem, the nail head is arranged on the other end of the nail stem, the middle of the nail stem is provided with at least one through hole, a pair of V-shaped self-spreading thorns are coaxially articulated in the through hole, and the free ends of the self-spreading thorns are extended out from the through hole; when the anchoring member is driven into a soil body, the pair of self-spreading thorns are oppositely turned to get close to each other, and moreover, the free ends of the self-spreading thorns obliquely and upwardly cling to the nail stem; when the anchoring member is pulled up from the soil body, the pair of self-spreading thorns are turned in opposite directions to get away from each other, and the free ends of the self-spreading thorns leave the nail stem, and are inserted into the soil body. The anchoring member has the advantages of short installation time and good anti-pulling effect in anchoring an anti-impact material of an emergency spillway.

Description

The anchorage element that is used for emergent flood spillway erosion control material

Technical field

The present invention relates to a kind ofly for the fixing member of flood spillway erosion control material, belong to the hydraulic engineering technical field.

Background technology

Existing anchorage element in use, need the rod member of growing more and imbed darker, come the anchoring soil body with this, reach the purpose of member resistance to plucking, because the phase mutual friction between part rod member and surrounding soil in the soil body is imbedded in its main uplift resistance source, begin in the soil body when member to become flexible and when extracting, its resistance to plucking effect reduces along with extracting of member.

Understand according to the applicant, when emergent flood spillway erosion control material anchoring, set-up time to anchorage element has relatively high expectations, when emergent flood spillway overflows flood, current produce a uplift force to anchorage element, therefore for emergent flood spillway is set fast, must adopt the short anchorage element of the more general member of length, must guarantee the shorter anchorage element of length guarantee the to meet an urgent need anchoring effect of flood spillway erosion control material simultaneously.

Summary of the invention

First technical problem that the present invention will solve is for the prior art deficiency, to propose the anchorage element that is used for emergent flood spillway erosion control material that a kind of set-up time is fast and resistance to plucking is effective.

Second technical problem that the present invention will solve be, solving on above-mentioned first technical problem basis, and what proposes a kind of resistance to plucking better effects if is used for meeting an urgent need the anchorage element of flood spillway erosion control material.

The present invention for the technical scheme that solves above-mentioned first technical problem proposition is: a kind of anchorage element for emergent flood spillway erosion control material, comprise the nail bar, be located at the nail tip of nail bar one end and be located at the ailhead of following closely the bar other end, described nail bar middle part is shaped with at least one through hole, the interior coaxial a pair of thorn of expansion certainly that is in the shape of the letter V that is hinged with of described through hole, described dead end from expanding thorn stretches out in through hole; When anchorage element hammered into the soil body, a pair of dead end from expanding thorn opposite direction rotating expansion thorn certainly close to each other and described was resisted against on described nail bar obliquely; When anchorage element upwards was pulled up from the soil body, the dead end that a pair of expansion thorn certainly counter-rotates away from each other and described expansion is certainly stung left described nail bar and inserts in the soil body.

The present invention adopts the beneficial effect of technique scheme to be: be shaped with at least one through hole by nail bar middle part, coaxially in through hole be hinged with a pair of thorn of expansion certainly that is in the shape of the letter V, stretch out in through hole from the dead end that expands thorn simultaneously; When anchorage element hammered into the soil body, the pressure of the soil body promoted a pair ofly to be resisted against obliquely on described nail bar from expanding thorn opposite direction rotating dead end close to each other and that certainly expand thorn, so anchorage element is when burying, and the dead end that certainly expands thorn is little to the destruction of the surrounding soil of anchorage element; When anchorage element upwards is pulled up from the soil body, promoting a pair of dead end from expanding the thorn reverse rotation away from each other and certainly expanding thorn from the soil layer that expands the thorn top leaves the nail bar and inserts in the soil body, increased and certainly expanded the uplift resistance of thorn and soil body interaction, the uplift resistance of the more general anchorage element of uplift resistance has greatly improved, what therefore anchorage element can be done is shorter, has realized installing sooner anchorage element.

The present invention for solving above-mentioned second technical problem to improvement of the technical scheme is: describedly a pair ofly be connected with spring from expanding between thorn, described a pair ofly have rope from expanding the upper binding of thorn, when the rope tighten, describedly a pair ofly overcomes spring force and draws close each other from expanding thorn; When rope was lightened restrictions on, described a pair of the thorn from expansion was separated from each other under spring-force driven dual.

the present invention adopts the beneficial effect of improvement of the technical scheme to be: be connected with spring by a pair of from expanding between thorn, a pair of have rope from expanding the upper binding of thorn, in the time of can being about to imbed the soil body at the dead end that certainly expands thorn of anchorage element, untie rope, continue again anchorage element is rammed the soil body, less to the destruction of the surrounding soil of anchorage element from the dead end that expands thorn, simultaneously, pass through spring assist, when pulling out on anchorage element, can easierly make and promote a pair of dead end from expanding the thorn reverse rotation away from each other and certainly expanding thorn from the soil layer that expands the thorn top and leave the nail bar and insert in the soil body, increased and certainly expanded the uplift resistance of thorn and soil body interaction, promoted uplift resistance.

Improvement of the technical scheme is: relatively be provided with two locator protrusionss in described through hole, described two locator protrusionss are along the direction setting of through hole, when anchorage element upwards is pulled up from the soil body, a pair of from expanding the thorn reverse rotation away from each other and being resisted against on locator protrusions.

The present invention adopts the beneficial effect of improvement of the technical scheme to be: by relatively being provided with two locator protrusionss in through hole, when anchorage element upwards is pulled up from the soil body, a pair of from expanding the thorn reverse rotation away from each other and being resisted against on locator protrusions, realization is stung the spacing of opening angle to certainly expanding of anchorage element, has improved the resistance to plucking effect of anchorage element.

Improvement of the technical scheme is: when anchorage element upwards was pulled up from the soil body, described a pair of angle between the expansion thorn was less than or equal to 120o.

The present invention adopts the beneficial effect of improvement of the technical scheme to be: when experiment showed, a pair of angle between the expansion thorn less than or equal to 120o, certainly expand thorn larger with the uplift resistance of soil body interaction, the resistance to plucking better effects if.

Improvement of the technical scheme is: the center line of the axis of described axle, nail pole length direction and the center line of through hole are vertical each other.

Improvement of the technical scheme is: described ailhead is made as nut, and described nail bar is shaped with the screw thread that is spirally connected with nut, and described nut is screwed onto on the nail bar and can moves along nail bar up and down spiral.

The present invention adopts the beneficial effect of improvement of the technical scheme to be: because ailhead is made as nut, the nail bar is shaped with the screw thread that is spirally connected with nut, nut is screwed onto on the nail bar and can moves along nail bar up and down spiral, make anchorage element hammer into the soil body again the people for after pulling up, make the member uplift resistance reach maximum, again with the emergent flood spillway erosion control material of ailhead spiral compression, increased after anchorage element pulls up the fixation to tight emergent flood spillway erosion control material.

Improvement of the technical scheme is: also be provided with dismountable handle on described nail bar, described nail bar is shaped with the handle installing hole that is positioned at the nut top.

The present invention adopts the beneficial effect of improvement of the technical scheme to be: by being provided with dismountable handle, follow closely simultaneously bar and be shaped with the handle installing hole that is positioned at the nut top, can pull up easily anchorage element, with the emergent flood spillway erosion control material of ailhead spiral compression again, improve operating efficiency.

Improvement of the technical scheme is: the described thorn from expansion is made as taper.

The present invention adopts the beneficial effect of improvement of the technical scheme to be: by being made as taper from expanding thorn, make from expanding the easier soil body that thrusts of thorn.

Improvement of the technical scheme is: described nail bar is to wait straight-bar.

The present invention adopts the beneficial effect of improvement of the technical scheme to be: because the nail bar is to wait straight-bar, make the nail bar when hammering into the soil body and pulling up, have all the time interactional uplift resistance between nail bar and the soil body.

Improvement of the technical scheme is: described length from expanding thorn is greater than the length of through hole.

Description of drawings

The invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of the anchorage element that is used for emergent flood spillway erosion control material of the embodiment of the present invention one.

Fig. 2 is the working state figure of Fig. 1.

Fig. 3 is the tartar of the expansion certainly structural representation of Fig. 1.

Fig. 4 is the use state diagram of Fig. 1.

Fig. 5 is the stereogram of Fig. 4.

Fig. 6 is the structural representation of the anchorage element that is used for emergent flood spillway erosion control material of the embodiment of the present invention two.

Fig. 7 is the free state figure of Fig. 6.

The specific embodiment

Embodiment one

The anchorage element that is used for emergent flood spillway erosion control material of the present embodiment as depicted in figs. 1 and 2, comprises nail bar 1, is located at the nail tip 2 of nail bar one end and is located at the ailhead 3 of following closely the bar other end.Nail bar 1 middle part is shaped with at least one through hole 1-1.In through hole 1-1, coaxial 5 are hinged with a pair of thorn of expansion certainly 4 that is in the shape of the letter V, and the dead end 4-1 that certainly expands thorn stretches out in through hole 1-1.

When anchorage element hammers into the soil body, a pair ofly be resisted against obliquely on nail bar 1 from expanding thorn 4 opposite direction rotatings dead end 4-1 close to each other and that certainly expand thorn; When anchorage element upwards was pulled up from the soil body, a pair of dead end 4-1 from expanding thorn 4 reverse rotations away from each other and certainly expanding thorn left nail bar 1 and inserts in the soil body.

For when nail bar 1 is hammering into the soil body and pulling up, have all the time interactional uplift resistance between nail bar 1 and the soil body, the nail bar 1 of the present embodiment is to wait straight-bar.Hammer into the soil body for anchorage element is easier, the nail tip 2 of the present embodiment is made as taper shape.The length of the expansion thorn certainly 4 of the present embodiment is greater than the length of through hole 1-1.

Relatively be provided with two locator protrusions 1-2 in the through hole 1-1 of the present embodiment, two locator protrusions 1-2 are along the direction setting of through hole 1-1.When anchorage element upwards is pulled up from the soil body, a pair of from expanding thorn 4 reverse rotations away from each other and being resisted against on locator protrusions 1-2.

Experiment showed, when anchorage element upwards is pulled up from the soil body, a pair of when expanding angle between thorn 4 less than or equal to 120o, certainly expand thorn 4 larger with the uplift resistance of soil body interaction, the resistance to plucking better effects if.

The center line of the axis of the axle 5 of the present embodiment, nail bar 1 length direction and the center line of through hole 1-1 are vertical each other.Certainly, the center line of the center line of the axis of axle 5, nail bar 1 length direction and through hole 1-1 each other can be mutually not vertical yet.

The ailhead 3 of the present embodiment is made as nut, the nail bar 1 be shaped with the screw thread that is spirally connected with nut, nut be screwed onto the nail bar 1 on and can along the nail bar Shang Xia 1 spiral move.

Also be provided with dismountable handle 6 on the nail bar 1 of the present embodiment, nail bar 1 is shaped with the handle installing hole that is positioned at the nut top.

As shown in Figure 3, the expansion certainly of the present embodiment thorn 4 is made as taper.

As shown in Figure 4 and Figure 5, during actual the use, anchorage element length is 50.5cm, be 5cm from expanding thorn 4 length, the nail bar 1 of anchorage element is 60 ° with the angle that stings 4 from expansion, the uplift resistance maximum value of anchorage element is 430N, according to field trial, pulls out the maximum value that 4cm reaches uplift resistance on anchorage element.

Embodiment two

The anchorage element and the embodiment one that are used for emergent flood spillway erosion control material of the present embodiment are basic identical, as shown in Figure 6 and Figure 7, except difference identical with embodiment one is: a pair of certainly the expansion between thorn 4 is connected with spring 7, and upper binding is stung in a pair of expansion certainly rope 8.When rope 8 tighten, a pair of expansion thorn certainly 4 overcomes spring force to be drawn close each other; When rope 8 was lightened restrictions on, a pair of thorn 4 that certainly expands was separated from each other under spring-force driven dual.

During actual the use, first anchorage element is knocked in the soil body, when the dead end 4-1 that certainly expands thorn of anchorage element is about to imbed the soil body, untie rope 8, continue again anchorage element is rammed the soil body, less to the destruction of the surrounding soil of anchorage element from the dead end 4-1 that expands thorn, contacting between nail bar 1 and the soil body is tight.When pulling out on anchorage element, under the effect of spring 7, easier making promotes a pair of dead end 4-1 from expanding the thorn reverse rotation away from each other and certainly expanding thorn from the soil layer that expands thorn 4 tops and leaves nail bar 1 and insert in the soil body, when pulling out 5cm on anchorage element, launch fully from expanding thorn 4, this moment, the anchorage element uplift resistance was maximum.Find through actual the use, anchorage element uplift resistance of the present invention significantly improves the stability of member anchoring than having improved 60% under general case.

The present invention is not limited to above-described embodiment.All employings are equal to replaces the technical scheme that forms, and all drops on the protection domain of requirement of the present invention.

Claims (10)

1. anchorage element that is used for emergent flood spillway erosion control material, comprise the nail bar, be located at the nail tip of nail bar one end and be located at the ailhead of following closely the bar other end, it is characterized in that, described nail bar middle part is shaped with at least one through hole, the interior coaxial a pair of thorn of expansion certainly that is in the shape of the letter V that is hinged with of described through hole, described dead end from expanding thorn stretches out in through hole; When anchorage element hammered into the soil body, a pair of dead end from expanding thorn opposite direction rotating expansion thorn certainly close to each other and described was resisted against on described nail bar obliquely; When anchorage element upwards was pulled up from the soil body, the dead end that a pair of expansion thorn certainly counter-rotates away from each other and described expansion is certainly stung left described nail bar and inserts in the soil body.
2. be used for as claimed in claim 1 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: described a pair of certainly the expansion between thorn is connected with spring, the upper binding of described a pair of expansion thorn certainly has rope, and when the rope tighten, described a pair of expansion thorn certainly overcomes spring force to be drawn close each other; When rope was lightened restrictions on, described a pair of the thorn from expansion was separated from each other under spring-force driven dual.
3. be used for as claimed in claim 1 or 2 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: relatively be provided with two locator protrusionss in described through hole, described two locator protrusionss are along the direction setting of through hole, when anchorage element upwards is pulled up from the soil body, a pair of from expanding the thorn reverse rotation away from each other and being resisted against on locator protrusions.
4. be used for as claimed in claim 3 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: when anchorage element upwards was pulled up from the soil body, described a pair of angle between the expansion thorn was less than or equal to 120o.
5. be used for as claimed in claim 3 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: the center line of the axis of described axle, nail pole length direction and the center line of through hole are vertical each other.
6. be used for as claimed in claim 3 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: described ailhead is made as nut, and described nail bar is shaped with the screw thread that is spirally connected with nut, and described nut is screwed onto on the nail bar and can moves along nail bar up and down spiral.
7. be used for as claimed in claim 6 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: also be provided with dismountable handle on described nail bar, described nail bar is shaped with the handle installing hole that is positioned at the nut top.
8. be used for as claimed in claim 3 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: the described thorn from expansion is made as taper.
9. be used for as claimed in claim 3 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: described nail bar is to wait straight-bar.
10. be used for as claimed in claim 3 the anchorage element of emergent flood spillway erosion control material, it is characterized in that: described length from expanding thorn is greater than the length of through hole.
CN201310089968.1A 2013-03-20 2013-03-20 For the anchorage element of emergent flood spillway erosion control material CN103147426B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310089968.1A CN103147426B (en) 2013-03-20 2013-03-20 For the anchorage element of emergent flood spillway erosion control material

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Application Number Priority Date Filing Date Title
CN201310089968.1A CN103147426B (en) 2013-03-20 2013-03-20 For the anchorage element of emergent flood spillway erosion control material

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CN103147426B CN103147426B (en) 2015-11-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566256A (en) * 2019-09-29 2019-12-13 张文龙 Mechanical linkage anti-pulling anchor rod
CN110820768A (en) * 2019-08-29 2020-02-21 贵州大学 Slope supporting and ecological management system and construction process thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1041802A (en) * 1988-10-11 1990-05-02 武汉市建筑机械化施工公司科学研究所 Reverser of sleeve tube for anchor of pile driver
CN2066492U (en) * 1990-03-21 1990-11-28 姚开绥 Anchoring-bolt for shaft-lining protection
GB2323905B (en) * 1997-03-26 2001-04-18 Weldgrip Ltd Rockbolt assemblies
CN202139588U (en) * 2011-06-18 2012-02-08 山东大学 Novel self-broaching anchor rod
CN202596760U (en) * 2012-06-07 2012-12-12 中铁西南科学研究院有限公司 Multi-stage sectioned grouting-free self-anchoring ratchet type anchor rod
CN203213084U (en) * 2013-03-20 2013-09-25 水利部交通运输部国家能源局南京水利科学研究院 Anchoring member for scour-preventive material of flood spillway

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1041802A (en) * 1988-10-11 1990-05-02 武汉市建筑机械化施工公司科学研究所 Reverser of sleeve tube for anchor of pile driver
CN2066492U (en) * 1990-03-21 1990-11-28 姚开绥 Anchoring-bolt for shaft-lining protection
GB2323905B (en) * 1997-03-26 2001-04-18 Weldgrip Ltd Rockbolt assemblies
CN202139588U (en) * 2011-06-18 2012-02-08 山东大学 Novel self-broaching anchor rod
CN202596760U (en) * 2012-06-07 2012-12-12 中铁西南科学研究院有限公司 Multi-stage sectioned grouting-free self-anchoring ratchet type anchor rod
CN203213084U (en) * 2013-03-20 2013-09-25 水利部交通运输部国家能源局南京水利科学研究院 Anchoring member for scour-preventive material of flood spillway

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110820768A (en) * 2019-08-29 2020-02-21 贵州大学 Slope supporting and ecological management system and construction process thereof
CN110566256A (en) * 2019-09-29 2019-12-13 张文龙 Mechanical linkage anti-pulling anchor rod

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