CN104846821A - Hollow-tube seam type anchor rod and mounting method thereof - Google Patents
Hollow-tube seam type anchor rod and mounting method thereof Download PDFInfo
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- CN104846821A CN104846821A CN201510219368.1A CN201510219368A CN104846821A CN 104846821 A CN104846821 A CN 104846821A CN 201510219368 A CN201510219368 A CN 201510219368A CN 104846821 A CN104846821 A CN 104846821A
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- rod
- type anchor
- seam type
- anchor rod
- hollow pipe
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Abstract
The invention discloses a hollow-tube seam type anchor rod and a mounting method thereof. The hollow-tube seam type anchor rod comprises a rod body, a base plate and a seal cover; the rod body is a hollow tube which is provided with a seam and openings are formed in the upper and lower two ends of the hollow tube; a horn-shaped rod head is arranged at the lower end of the rod body; a plurality of barbs are evenly arranged in the middle of the rod body in the circumferential direction; the barbs gradually stretch outwards from the bottom end to the top end; the base plate sleeves the upper part of the rod body; the seal cover is connected with the upper end of the rod body and used for holding down the base plate on a slope. The hollow-tube seam type anchor rod is simple in structure and convenient to mount; the anti-pulling capability of the anchor rod can be effectively improved and the safety of the slope can be guaranteed.
Description
Technical field
The present invention relates to anchor pole field, particularly a kind of hollow pipe-seam type anchor rod and mounting method thereof.
Background technology
Along with the fast development that highway in China is built, the roadbed Collapse Accidents caused because of slope of highway unstability happens occasionally.Therefore slope reinforcement is the basic demand of slope project always, and slope reinforcement can be divided into the externally reinforced and large class of internal reinforcement two.Externally reinforced conventional method is stone paving structure, and the method that internal reinforcement body is conventional is in slope soil, arrange the measure such as soil nailing, anchor pole.Wherein, stone paving structure needs to exploit a large amount of building stones, and great in constructing amount, and by contrast, anchor pole is applicable to various environment, is a kind of ideal support form, plays a significant role in underground construction, slope project, deep-foundation pit engineering etc. are stable.Therefore, the reinforcing technique extensively adopted at present is anchoring, but common anchor pole, cement mortar are more single with the active force of side slope, under long-term external environment effect, easily extract from cement mortar, or be pulled out together with cement mortar, cause anchor pole to lose anchorage effect, for a long time stably can not ensure the safety of side slope.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of hollow pipe-seam type anchor rod and mounting method thereof, thus overcome existing anchor pole and easily extract because of single with the active force of side slope, for a long time stably can not ensure the shortcoming of the safety of side slope.
For achieving the above object, the invention provides a kind of hollow pipe-seam type anchor rod, it comprises: the body of rod, and it is one be provided with and crack and the hollow tube of upper and lower both ends open, and the lower end of this body of rod is provided with one in trumpet-shaped bar head; The middle part of this body of rod is circumferentially provided with several hangnails equably, and described hangnail is outwards opened to upper end gradually by lower end; Backing plate, it is sheathed on the top of the described body of rod; And capping, it is connected with the upper end of the described body of rod, and this capping is for being pressed in side slope described backing plate.
Preferably, in technique scheme, described capping is made by spelter.
Preferably, in technique scheme, described hangnail is steel mesh reinforcement structure.
Preferably, in technique scheme, between the top of described hangnail and the described body of rod, leave opening.
Preferably, in technique scheme, the side of described bar head is circumferentially provided with several equably and bores tooth.
Preferably, in technique scheme, between described capping and described backing plate, be provided with a baffle ring.
Present invention also offers a kind of mounting method of described hollow pipe-seam type anchor rod, it comprises the steps:
The first, get out pilot hole to side slope, the aperture of this pilot hole is greater than the diameter of circumference at place, upper end and the diameter of the lower end of described bar head of several hangnails described;
The second, carry out reaming at the bottom of the hole of described pilot hole, to form first cavity corresponding with described bar head, and described first cavity is in corresponding with described bar head horn-like; And reaming is carried out to the middle part of described pilot hole, to form second cavity corresponding with described hangnail;
3rd, in described pilot hole, fill cement mortar;
4th, described hollow pipe-seam type anchor rod is inserted in described pilot hole with bar upside down; And
5th, finally, described backing plate and capping are loaded onto in the upper end to the described body of rod.
Compared with prior art, the present invention has following beneficial effect:
1, structure of the present invention is simple, easy for installation, and it adds the active force of the body of rod and cement mortar by bar head and hangnail, thus improves breakout capacity, ensures the safety of side slope.
2, capping of the present invention is made by spelter, can effectively prevent getting rusty of the body of rod, improves the application life of anchor pole.
3, hangnail of the present invention is that reinforcing bar is netted, and has opening between upper end and the body of rod, thus improves the active force of hangnail and cement mortar further.
4, the side of bar head of the present invention is provided with brill tooth, thus facilitates the body of rod to be inserted in pilot hole.
5, be provided with baffle ring between capping of the present invention and backing plate, make capping stably compress backing plate, and effectively prevent the damage of backing plate.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of hollow tube seam rockbolt installation of the present invention in side slope.
Main Reference Numerals illustrates:
The 1-body of rod, 2-cracks, 3-bar head, 4-hangnail, and 5-bores tooth, 6-backing plate, 7-baffle ring, 8-capping, 9-side slope, 10-pilot hole, 11-first cavity, 12-second cavity.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Clearly represent unless otherwise other, otherwise in whole manual and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or ingredient, and do not get rid of other element or other ingredient.
As shown in Figure 1, according to two kinds of embodiments of the specific embodiment of the invention be:
Embodiment 1
A kind of hollow pipe-seam type anchor rod, it comprises the body of rod 1, backing plate 6 and capping 8, wherein: the body of rod 1 is a hollow tube being provided with crack 2 and upper and lower both ends open, and the lower end of the body of rod 1 is provided with one in trumpet-shaped bar head 3, downward, the inner chamber of bar head 3 is connected with the body of rod 1 loudspeaker of bar head 3.Preferably, the side of bar head 3 is circumferentially provided with several equably and bores tooth 5, inserts in side slope 9 with convenient pole head 3.The middle part of the body of rod 1 is circumferentially provided with several hangnails 4 equably, and hangnail 4 is outwards opened to upper end gradually by lower end.Preferably, hangnail 4 is steel mesh reinforcement structure, further preferably, opening is left between the top of hangnail 4 and the body of rod 1, thus the active force effectively increased between cement mortar and hangnail 4, and hangnail 4 is contrary with bar head 3 angle of inclination, thus the active force be subject to is also contrary, is fixed in cement mortar to make the body of rod 1 further.The equal diameters of the diameter of the circumference at the place, upper end of several hangnails 4 and the lower end of bar head 3, thus the convenient pilot hole 10 getting out suitable diameter in side slope 9.
Backing plate 6 is sheathed on the top of the body of rod 1, and capping 8 is connected with the upper end of the body of rod 1, and capping 8 is for being pressed in side slope 9 backing plate 6.Preferably, capping 8 is made by spelter, and it can prevent the body of rod 1 from getting rusty effectively, thus increases the application life of anchor pole.Further preferably, between capping 8 and backing plate 6, be provided with baffle ring 7, to make capping 8 stably compress backing plate 6, and effectively prevent the damage of backing plate 6.
Embodiment 2
The mounting method of above-mentioned hollow pipe-seam type anchor rod of the present invention comprises the steps:
The first, get out pilot hole 10 to side slope 9, the aperture of pilot hole 10 is greater than the diameter of the diameter of the circumference at the place, upper end of several hangnails 4 and the lower end of bar head 3;
The second, carry out reaming at the bottom of the hole of pilot hole 10, to form first cavity 11 corresponding with bar head 3, and the first cavity 11 is in corresponding with bar head 3 horn-like; And reaming is carried out to the middle part of pilot hole 10, to form second cavity 12 corresponding with hangnail 4;
3rd, in pilot hole 10, fill cement mortar;
4th, hollow pipe-seam type anchor rod is inserted in pilot hole 10 facing downward with bar head 3, and bar head 3 is provided with brill tooth 5 and can more conveniently successfully pierces in cement mortar; And
5th, finally, backing plate 6 and capping 8 are loaded onto in the upper end to the body of rod 1, when being provided with baffle ring 7, also install baffle ring 7 simultaneously.
Owing to having expanded the first chamber 11 and the second chamber 12 in the lower end of pilot hole 10 and middle part, cement mortar can be made after cement mortar is solidified to be buckled in the first chamber 11 and the second chamber 12, when side slope 9 is not damaged, cement mortar can not be pulled out outside side slope 9, thus improve the breakout capacity of anchor pole further, ensure the safety of side slope 9.In addition, the present invention also can be applicable to the association areas such as underground construction, slope project, deep-foundation pit engineering, tunnel.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (7)
1. a hollow pipe-seam type anchor rod, is characterized in that, comprising:
The body of rod, it is one be provided with and crack and the hollow tube of upper and lower both ends open, and the lower end of this body of rod is provided with one in trumpet-shaped bar head; The middle part of this body of rod is circumferentially provided with several hangnails equably, and described hangnail is outwards opened to upper end gradually by lower end;
Backing plate, it is sheathed on the top of the described body of rod; And
Capping, it is connected with the upper end of the described body of rod, and this capping is for being pressed in side slope described backing plate.
2. hollow pipe-seam type anchor rod according to claim 1, is characterized in that, described capping is made by spelter.
3. hollow pipe-seam type anchor rod according to claim 1, is characterized in that, described hangnail is steel mesh reinforcement structure.
4. hollow pipe-seam type anchor rod according to claim 1, is characterized in that, leaves opening between the top of described hangnail and the described body of rod.
5. hollow pipe-seam type anchor rod according to claim 1, is characterized in that, the side of described bar head is circumferentially provided with several equably and bores tooth.
6. the hollow pipe-seam type anchor rod according to any one of claim 1-5, is characterized in that, is provided with a baffle ring between described capping and described backing plate.
7. a mounting method for hollow pipe-seam type anchor rod according to claim 1, it is characterized in that, it comprises the steps:
The first, get out pilot hole to side slope, the aperture of this pilot hole is greater than the diameter of circumference at place, upper end and the diameter of the lower end of described bar head of several hangnails described;
The second, carry out reaming at the bottom of the hole of described pilot hole, to form first cavity corresponding with described bar head, and described first cavity is in corresponding with described bar head horn-like; And reaming is carried out to the middle part of described pilot hole, to form second cavity corresponding with described hangnail;
3rd, in described pilot hole, fill cement mortar;
4th, described hollow pipe-seam type anchor rod is inserted in described pilot hole with bar upside down; And
5th, finally, described backing plate and capping are loaded onto in the upper end to the described body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219368.1A CN104846821A (en) | 2015-04-30 | 2015-04-30 | Hollow-tube seam type anchor rod and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219368.1A CN104846821A (en) | 2015-04-30 | 2015-04-30 | Hollow-tube seam type anchor rod and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104846821A true CN104846821A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510219368.1A Pending CN104846821A (en) | 2015-04-30 | 2015-04-30 | Hollow-tube seam type anchor rod and mounting method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB831740A (en) * | 1954-01-02 | 1960-03-30 | Veruschacht Vereinigte Unterta | Improvements in anchor bolts for the lining of shafts |
| US4305687A (en) * | 1979-01-26 | 1981-12-15 | Jack Parker | Anchoring system for rock bolts |
| CN1544798A (en) * | 2003-11-11 | 2004-11-10 | 吴德兴 | Shell expansion type rock bolt |
| CN103133026A (en) * | 2013-03-26 | 2013-06-05 | 安徽理工大学 | Novel expansion shell inverted wedge type grouting anchor rod |
| CN103132520A (en) * | 2011-11-30 | 2013-06-05 | 兰州大学 | Pipe type anchor rod with horn-shaped bottom end |
-
2015
- 2015-04-30 CN CN201510219368.1A patent/CN104846821A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB831740A (en) * | 1954-01-02 | 1960-03-30 | Veruschacht Vereinigte Unterta | Improvements in anchor bolts for the lining of shafts |
| US4305687A (en) * | 1979-01-26 | 1981-12-15 | Jack Parker | Anchoring system for rock bolts |
| CN1544798A (en) * | 2003-11-11 | 2004-11-10 | 吴德兴 | Shell expansion type rock bolt |
| CN103132520A (en) * | 2011-11-30 | 2013-06-05 | 兰州大学 | Pipe type anchor rod with horn-shaped bottom end |
| CN103133026A (en) * | 2013-03-26 | 2013-06-05 | 安徽理工大学 | Novel expansion shell inverted wedge type grouting anchor rod |
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Application publication date: 20150819 |