CN105821877A - Mechanical linkage anti-pulling anchor rod - Google Patents
Mechanical linkage anti-pulling anchor rod Download PDFInfo
- Publication number
- CN105821877A CN105821877A CN201610304197.7A CN201610304197A CN105821877A CN 105821877 A CN105821877 A CN 105821877A CN 201610304197 A CN201610304197 A CN 201610304197A CN 105821877 A CN105821877 A CN 105821877A
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- CN
- China
- Prior art keywords
- anchoring
- anchor rod
- soil
- applied force
- mechanical linkage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Abstract
The invention discloses a mechanical linkage anti-pulling anchor rod which comprises an anchor rod body. The anchor rod body comprises an anchoring section embedded in a soil body and a free section used for anchoring the anchoring section. The anchoring section is provided with a supporting tray. A connecting shaft is arranged in the center of the supporting tray. Four anchoring rods are hinged to the connecting shaft. Four communicating pore channels which are through in a full-length manner are formed in the positions, corresponding to the anchoring rods, of the supporting tray. Vertical stress main ribs are arranged in the communicating pore channels. One end of each vertical stress main rib penetrates the corresponding communicating pore channel and is connected with the middle portion of the corresponding anchoring rod, and the other ends of the vertical stress main ribs extend upwards to form the free section. The anchoring rods are tightly attached to the bottom face of the supporting tray under the traction of the vertical stress main ribs. The four anchoring rods form a cross-shaped structure and are in close contact with the sock soil body. By means of the mechanical linkage anti-pulling anchor rod, the contact area between the anchor rod and the soil rock body is enlarged through expanding heads, the anchoring force between the anchor rod and the rock soil body is greatly improved, and an anchoring effect is good.
Description
Technical field
The present invention relates to a kind of mechanical linkage Pulling-Resistant Anchor Rod, belong to civil engineering side slope and dam strengthening technical field, it can be used for the engineering constructions such as tunnel, side slope, mine, tunnel, dam body, foundation ditch, foundation stabilization.
Background technology
In the engineering such as foundation pit enclosure, slope reinforcement, in order to prevent, Rock And Soil is internal there is sliding, produce failure by shear, before carrying out later stage operation, need Rock And Soil is carried out consolidation process, so that strengthen Rock-soil Mass Structure stability, at present frequently with anchor pole be mechanical rock bolt, pipe-seam type anchor rod and adhesive type anchor pole.
The Chinese patent of Publication No. CN104929670A discloses a kind of wing formula machinery anchor pole.This anchor pole is by anchorage nut, washer plate, anchor rod body, retaining pin, push wing steel pipe, positioning bar, wing, the wing opened, reinforcing bar annulus, wing bending ring, supporting station post forms, this wing formula anchor pole has a cylindrical anchor rod body, the wing of the plate shape that can extend it is provided with in the bottom of anchor rod body, reinforcing bar annulus and wing bending ring, supporting station post it is provided with between wing bending ring and anchor rod body, supporting station post welds together with anchor rod body, wing bending ring one end is welded on wing root, and in the hole of the reinforcing bar annulus that spiral-lock is between two supporting station posts, it is set with push wing steel pipe sliding above of reinforcing bar annulus, on the surface of push wing steel pipe it is 120 degree to be uniformly distributed and be welded with reinforcing bar positioning bar；
The Chinese patent of Publication No. CN201031391Y discloses a kind of umbrella Pulling-Resistant Anchor Rod.This anchor pole is by power transmission strand cable and lower sleeve portion, low bottom-disc, top bottom-disc, the gimbal lever, from spreader bar form, under a stretching force, the San Yiji gimbal lever and opening from spreader bar, form the thickest earth pillar of floor space, utilize the shearing strength of the weight of the soil body itself and soil and soil itself to provide the withdrawal resistance needed for basis.
The Chinese patent of Publication No. CN202559350U discloses a kind of Pulling-Resistant Anchor Rod, and this bolt body is vertically provided with at least one localizer.Described localizer includes three positioning convex rings that ring bolt body excircle is uniformly arranged.Described positioning convex ring forms isosceles trapezoidal structure with bolt body for base, is vertically provided with at least one localizer in bolt body, thus improves pulling test strength.
What above patent used is all mechanical rock bolt, and its feature is that good mechanical property, anchoring effect are good, is used widely in slope reinforcement and foundation pit enclosure are constructed.But, in Practical Project, anchor pole duct inwall is through disturbance, and its Rock And Soil disturbance is relatively violent, and anchoring effect limits to very much, easily causes and disengages with Rock And Soil, and anchor pole is directly pulled out from duct.Additionally, the anchoring face of general mechanical rock bolt is less, and the contact surface between Rock And Soil is less, it is impossible to meet the engine request under big stress.
In sum, a kind of more effectively anchor pole of exploitation, it is necessary for slope reinforcement and foundation resistance to plucking, anti-floating.
Summary of the invention
For the drawbacks described above overcoming existing machinery formula anchor pole to exist, the present invention provides the mechanical linkage Pulling-Resistant Anchor Rod that a kind of simple structure, reasonable stress, quick construction, anchoring effect are splendid.
The technical solution used in the present invention is:
A kind of mechanical linkage Pulling-Resistant Anchor Rod, including bolt body, described bolt body includes embedding the anchoring section in the soil body and for anchoring the free segment of anchoring section, it is characterized in that: described anchoring section has a support pallet, described support pallet be provided centrally with connecting shaft, described connecting shaft is hinged with four anchor rods；The described position of corresponding anchor rod on pallet that supports offers the connected pore channel of four through total lengths, the main muscle of vertical applied force it is provided with in described connected pore channel, one end of four main muscle of described vertical applied force through connected pore channel and connects with the middle part of corresponding anchor rod respectively, and the other end upwardly extends composition free segment；Described anchor rod is close to the bottom surface supporting pallet under the traction of the main muscle of vertical applied force, and four anchor rods form decussate texture and are in close contact with Rock And Soil.
Also including billet, on described billet, the position of the corresponding main muscle of vertical applied force offers four through holes, and the described main muscle of vertical applied force is fixed on Tu Bi by billet.
In order to ensure that the anchor rod stretched can be positioned in the plane supporting pallet well, every anchor rod is all rigidly connected with a vertical applied force reinforcing bar, it is secured under tension support in the plane of pallet, finally after free segment is subject to have opened, four anchor rods launched become a spider, it is in close contact with Rock And Soil, is finally mounted in inside the soil body.
Beneficial effects of the present invention is embodied in:
1, the main muscle of vertical applied force is made up of the mild steel of tension works very well, and anchor rod is under the vertical traction by lacing wire, and one enlarged footing of flare up, after stretch-draw completes, whole anchor pole and the interphase interaction of the soil body, anchor pole starts to play anchoring, uplift effect.
2, intensity height, good toughness, anchoring effect are good, can be used for the engineering construction field such as dam strengthening, tunnel reinforcement；There is the advantage such as quick construction, efficient, good endurance.
3, its material stiffness is big, and structural stability is good, and enlarged footing adds the contact area between anchor pole and Rock And Soil, and then substantially increases the anchor force between itself and Rock And Soil, and anchoring effect is preferable.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention.
Fig. 2 is the top view of the present invention.
Detailed description of the invention
See figures.1.and.2, a kind of mechanical linkage Pulling-Resistant Anchor Rod, including bolt body, described bolt body includes embedding the anchoring section in the soil body and for anchoring the free segment of anchoring section, described anchoring section has a support pallet 1, described support pallet 1 be provided centrally with connecting shaft 3, described connecting shaft 3 is hinged with four anchor rods 4；The described position of corresponding anchor rod 4 on pallet 1 that supports offers the connected pore channel of four through total lengths, the main muscle of vertical applied force 2 it is provided with in described connected pore channel, one end of four main muscle of described vertical applied force 2 through connected pore channel and connects with the middle part of corresponding anchor rod 4 respectively, and the other end upwardly extends composition free segment；Described anchor rod 4 is close to the bottom surface supporting pallet 1 under the traction of the main muscle of vertical applied force, and four anchor rods 4 form decussate texture and are in close contact with Rock And Soil.
Also including billet 5, on described billet 5, the position of the corresponding main muscle of vertical applied force 2 offers four through holes, and the described main muscle of vertical applied force 2 is fixed on Tu Bi by billet 5.
In order to ensure that the anchor rod 4 stretched can be positioned in the plane supporting pallet 1 well, every anchor rod 4 is all rigidly connected with a vertical applied force reinforcing bar 2, it is secured under tension support in the plane of pallet 1, finally after free segment is subject to have opened, four anchor rods launched become a spider, it is in close contact with Rock And Soil, is finally mounted in inside the soil body.
Anchor pole, after the drilling of anchor pole duct, is sling by the present embodiment, anchorage head alignment opening of the channel, start to push from anchoring termination and enter duct, until it reaches at the bottom of hole, then played a role by mechanical linkage, form an enlarged footing in the end of anchoring section, make anchor pole and Rock And Soil be fully contacted.
During the Specific construction of the present embodiment, its step is as follows:
The first step: according to actual condition, the design length of anchor pole, anchoring depth and freedom length, tray position；
Second step: before laying anchor pole, for ensureing the perpendicularity of anchor pole, is controlled by both direction with two cable wires.
3rd step: after anchor pole is laid, starts, at free segment muscle main to vertical applied force, the stretch-draw that exerts a force, makes anchor rod open, and is finally deployed on support holding tray surface, now forms an enlarged footing in anchoring section end.
4th step: after four anchor rods are fully deployed, starts it is carried out the heavily stressed stretch-draw of second time, makes enlarged footing part and Rock And Soil be fully contacted and sting tightly.
5th step: after stretch-draw completes, is fixed on Tu Bi by billet and anchorage.
Content described in this specification embodiment is only enumerating of the way of realization to inventive concept; protection scope of the present invention is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and in those skilled in the art according to present inventive concept it is conceivable that equivalent technologies means.
Claims (2)
1. a mechanical linkage Pulling-Resistant Anchor Rod, including bolt body, described bolt body includes embedding the anchoring section in the soil body and for anchoring the free segment of anchoring section, it is characterized in that: described anchoring section has a support pallet, described support pallet be provided centrally with connecting shaft, described connecting shaft is hinged with four anchor rods；The described position of corresponding anchor rod on pallet that supports offers the connected pore channel of four through total lengths, the main muscle of vertical applied force it is provided with in described connected pore channel, one end of four main muscle of described vertical applied force through connected pore channel and connects with the middle part of corresponding anchor rod respectively, and the other end upwardly extends the free segment described in composition；Described anchor rod is close to the bottom surface supporting pallet under the traction of the main muscle of vertical applied force, and four anchor rods form decussate texture and are in close contact with Rock And Soil.
2. a kind of mechanical linkage Pulling-Resistant Anchor Rod as claimed in claim 1, it is characterized in that: also include billet, on described billet, the position of the corresponding main muscle of vertical applied force offers four through holes, and the described main muscle of vertical applied force is fixed on Tu Bi by billet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304197.7A CN105821877B (en) | 2016-05-09 | 2016-05-09 | A kind of mechanical linkage Pulling-Resistant Anchor Rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304197.7A CN105821877B (en) | 2016-05-09 | 2016-05-09 | A kind of mechanical linkage Pulling-Resistant Anchor Rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105821877A true CN105821877A (en) | 2016-08-03 |
| CN105821877B CN105821877B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610304197.7A Active CN105821877B (en) | 2016-05-09 | 2016-05-09 | A kind of mechanical linkage Pulling-Resistant Anchor Rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN105821877B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201031391Y (en) * | 2007-05-11 | 2008-03-05 | 南京工业大学 | Umbrella-shape weigh anchor |
| CN201660890U (en) * | 2010-04-27 | 2010-12-01 | 张继红 | Recoverable end-bearing friction anchor rod |
| CN102587368A (en) * | 2012-02-15 | 2012-07-18 | 覃永忠 | Completely recyclable end support ground anchor |
| CN203188207U (en) * | 2013-03-06 | 2013-09-11 | 江苏建筑职业技术学院 | Anchor rod with end portions capable of being expanded |
| CN103696790A (en) * | 2013-02-19 | 2014-04-02 | 裴春光 | Shear type expansion anchor rod and application thereof |
| CN204959747U (en) * | 2015-09-09 | 2016-01-13 | 中国矿业大学(北京) | Reaming type stock |
| CN205742179U (en) * | 2016-05-09 | 2016-11-30 | 浙江工业大学 | A kind of mechanical linkage Pulling-Resistant Anchor Rod |
-
2016
- 2016-05-09 CN CN201610304197.7A patent/CN105821877B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201031391Y (en) * | 2007-05-11 | 2008-03-05 | 南京工业大学 | Umbrella-shape weigh anchor |
| CN201660890U (en) * | 2010-04-27 | 2010-12-01 | 张继红 | Recoverable end-bearing friction anchor rod |
| CN102587368A (en) * | 2012-02-15 | 2012-07-18 | 覃永忠 | Completely recyclable end support ground anchor |
| CN103696790A (en) * | 2013-02-19 | 2014-04-02 | 裴春光 | Shear type expansion anchor rod and application thereof |
| CN203188207U (en) * | 2013-03-06 | 2013-09-11 | 江苏建筑职业技术学院 | Anchor rod with end portions capable of being expanded |
| CN204959747U (en) * | 2015-09-09 | 2016-01-13 | 中国矿业大学(北京) | Reaming type stock |
| CN205742179U (en) * | 2016-05-09 | 2016-11-30 | 浙江工业大学 | A kind of mechanical linkage Pulling-Resistant Anchor Rod |
Non-Patent Citations (1)
| Title |
|---|
| 江正荣: "《地基与基础施工手册》", 31 July 1997 * |
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| Publication number | Publication date |
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| CN105821877B (en) | 2018-11-13 |
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