CN201367909Y - Novel anchor rod with end anchorage and full-length radial anchorage - Google Patents
Novel anchor rod with end anchorage and full-length radial anchorage Download PDFInfo
- Publication number
- CN201367909Y CN201367909Y CNU2009200230436U CN200920023043U CN201367909Y CN 201367909 Y CN201367909 Y CN 201367909Y CN U2009200230436 U CNU2009200230436 U CN U2009200230436U CN 200920023043 U CN200920023043 U CN 200920023043U CN 201367909 Y CN201367909 Y CN 201367909Y
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- rod
- anchor
- anchorage
- high duty
- metal body
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- Expired - Fee Related
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Abstract
The utility model discloses a novel anchor rod with end anchorage and full-length radial anchorage, one end of a high-strength metal rod body is the anchor tail end, the other end is the anchor head end, a section of hollow cavity is arranged along the length direction of the high-strength metal rod body, the anchor tail end of the high-strength metal rod body is the opening end of the hollow cavity, the anchor head end is the closed end of the hollow cavity, a liquid filling pressurizing valve is arranged at the opening end, the liquid filling pressurizing valve is connected with the hollow cavity, a section of expansion body is sheathed outside the high-strength metal rod body, two ends of the expansion body are connected with the high-strength metal rod body in a sealing manner, a liquid storage cavity is formed between the high-strength metal rod body and the expansion body, a through hole is arranged on the wall of the high-strength metal rod body, and the hollow cavity is communicated with the liquid storage cavity through the through hole. The novel anchor rod can simultaneously fill high-pressure liquid while providing the axial anchorage force for a rock body, thereby promoting the expansion body to expand outwards and providing the radial anchorage force for the rock body.
Description
Technical field
The utility model relates to ground and mine engineering supporting facility technical field, relates in particular to a kind of rigidity and presses anchor pole with the flexible novel notes that combine.
Background technology
In ground, tunnel and coal mining work progress, bolt support is playing an important role aspect reinforcing and the raising rock stability.The principle of bolt anchorage rock mass mainly contains: suspention effect and compound beam effect, and be suspended in the rock mass of fragmentation on the firm top board or be combined into as a wholely, and then increase the bulk strength of rock mass.
At present, the anchorage style of anchor pole is end anchorage and full length fastening, and mounting process is boring, puts powder stick, the anchor pole of packing into, screws the termination nut.Grouted anchor bar is the rigidity anchor pole of hollow, and its operating principle is that the hollow structure by anchor pole is injected into cement paste in the middle of the country rock, make anchor pole around broken rock mass form overall structure.Along with the increase of China's coal-mine mining depth, the distortion that the rigidity bolt support can not suitable for surrounding rock, the rock mass supporting in especially weak rock mass and the relaxation zone.
The utility model content
Task of the present utility model is to solve the deficiency that the prior art bolt support exists, and a kind of novel anchor rod that has end anchorage and total length radial anchoring concurrently is provided.
Its technical solution is:
A kind of novel anchor rod that has end anchorage and total length radial anchoring concurrently, the anchor pole main body comprises one section high duty metal body of rod, the high duty metal body of rod one end is the anchor tail end, the other end is the anchor head end, the anchor tail end is provided with pallet and locking nut, the anchor head end is provided with the end anchorage parts, be provided with one section cavity along high duty metal body of rod length direction, the anchor tail end of the high duty metal body of rod is the openend of cavity, the anchor head end is the blind end of cavity, be provided with the fluid injection pressurizing valve at openend, the fluid injection pressurizing valve links to each other with cavity; Be equipped with one section expander in the high duty metal body of rod outside, the two ends of expander and the high duty metal body of rod are tightly connected together, form liquid storage cylinder between the high duty metal body of rod and the expander; The body wall of the high duty metal body of rod is provided with through hole, and cavity is communicated with liquid storage cylinder by through hole.
Above-mentioned fluid injection pressurizing valve is a check valve body, the check valve body integral body certain distance in the anchor tail end that submerges.
Above-mentioned expander is by the macromolecular material internal layer, and external protection constitutes.
Above-mentioned external protection is the elastical cloth bed of material.
The two ends of above-mentioned expander respectively are provided with a joint fixed cover, are tightly connected together by the two ends and the high duty metal body of rod of fixed cover with expander.
Above-mentioned liquid storage cylinder rated operating pressure is not less than 4mPa.
The inwall of said fixing cover is provided with annular projection.
Above-mentioned end anchorage parts are provided with metal expansion pipe and tapered cup nut, and tapered cup nut takes engage thread to connect with the anchor head end of the high duty metal body of rod.
The useful technique effect that the utility model can have is:
1 can utilize the high duty metal body of rod, end anchorage parts, pallet and locking nut to provide axial anchor power to rock mass.
2 inject high-pressure liquid medium via cavity and through hole to liquid storage cylinder by the fluid injection pressurizing valve, and impelling expander outwards to be expanded to rock mass provides radially anchored force.
3 the present invention can be by the peripheral automatic liquid supply of configuration system, and when its internal pressure reduced, the feeding-in liquid medium was maintained the anchoring effect of anchor pole at any time.
4 when country rock does not need supporting, the high-pressure liquid medium of anchor pole inside can be discharged, and the high duty metal pipe is deviate from tapered cup nut by opposite spin, can therefrom take out the anchor pole main part, and the end anchorage parts are then stayed in the rock mass for disposable unit.
Description of drawings
Fig. 1 is the overall structure principle schematic of a kind of embodiment of the utility model.
Fig. 2 is the partial structurtes principle schematic in Fig. 1 embodiment, and fluid injection pressurizing valve part mainly is shown.
Fig. 3 is the partial structurtes principle schematic in Fig. 1 embodiment, and the anchor pole main part mainly is shown.
Below in conjunction with accompanying drawing the utility model is described:
The specific embodiment
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of novel anchor rod that has end anchorage and total length radial anchoring concurrently, the anchor pole main body comprises one section high duty metal body of rod 4, the high duty metal body of rod one end is the anchor tail end, the other end is the anchor head end, the anchor tail end is provided with pallet 3 and locking nut 2, and the anchor head end is provided with the end anchorage parts.The end anchorage parts are provided with metal expansion pipe 8 and tapered cup nut 9, and tapered cup nut 9 takes engage thread to connect with the anchor head end of the high duty metal body of rod 4.Be provided with one section cavity 401 along the high duty metal body of rod 4 length directions, the anchor tail end of the high duty metal body of rod 4 is the openend of cavity 401, the anchor head end is the blind end of cavity, be provided with fluid injection pressurizing valve 1 at openend, fluid injection pressurizing valve 1 links to each other with cavity 401, and fluid injection pressurizing valve 1 is a check valve body, the check valve body integral body certain distance in the anchor tail end that submerges, being that check valve body is hiding is installed in the metal anchors body of rod, and it is not damaged.Check valve body is made up of spool 101, valve seat 102 (part of metallic rod body) and sealing mat 103 circles, is sealed by taper 103 seal washers between spool 101 and the valve seat 102.Be equipped with one section expander in the high duty metal body of rod outside, expander is by macromolecular material internal layer 5, and external protection 6 constitutes; The two ends of expander respectively are provided with a joint fixed cover 7, the inwall of fixed cover 7 is provided with many annular projection 701, can impel expander to combine more firm with the high duty metal body of rod, to bear higher operating pressure, apply high pressure at fixed cover 7 circumferencial directions, the two ends and the high duty metal body of rod of expander is tightly connected together.Form liquid storage cylinder 10 between the high duty metal body of rod and the expander, liquid storage cylinder 10 rated operating pressures serve as preferred to be not less than 10mPa.The body wall of the high duty metal body of rod is provided with through hole 11, and cavity 401 is communicated with liquid storage cylinder 10 by through hole 11.
Above-mentioned macromolecular material layer can take suitable macromolecular materials such as rubber to make.Above-mentioned external protection can take suitable material such as elastic woven material to make, and external protection mainly plays two effects: the one, put into the deep hole process at anchor pole, and protection macromolecular material layer is not damaged, and the 2nd, prevent that excessive expansion from appearring in polymer material layer.
The two ends of above-mentioned expander and the high duty metal body of rod also can take suitable prior art modes such as clip to realize being tightly connected.
Claims (8)
1, a kind of novel anchor rod that has end anchorage and total length radial anchoring concurrently, the anchor pole main body comprises one section high duty metal body of rod, the high duty metal body of rod one end is the anchor tail end, the other end is the anchor head end, the anchor tail end is provided with pallet and locking nut, the anchor head end is provided with the end anchorage parts, it is characterized in that: be provided with one section cavity along described high duty metal body of rod length direction, the anchor tail end of the high duty metal body of rod is the openend of cavity, the anchor head end is the blind end of cavity, be provided with the fluid injection pressurizing valve at openend, the fluid injection pressurizing valve links to each other with cavity; Be equipped with one section expander in the high duty metal body of rod outside, the two ends of expander and the high duty metal body of rod are tightly connected together, form liquid storage cylinder between the high duty metal body of rod and the expander; The body wall of the high duty metal body of rod is provided with through hole, and cavity is communicated with liquid storage cylinder by through hole.
2, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 1, it is characterized in that: described fluid injection pressurizing valve is a check valve body, the check valve body integral body certain distance in the anchor tail end that submerges.
3, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 1 is characterized in that: described expander is by the macromolecular material internal layer, and external protection constitutes.
4, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 3, it is characterized in that: described external protection is the elastical cloth bed of material.
5, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 3, it is characterized in that: the two ends of described expander respectively are provided with a joint fixed cover, are tightly connected together by the two ends and the high duty metal body of rod of fixed cover with expander.
6, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 5, it is characterized in that: described liquid storage cylinder rated operating pressure is not less than 4mPa.
7, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 5, it is characterized in that: the inwall of described fixed cover is provided with many annular projection.
8, the novel anchor rod that has end anchorage and total length radial anchoring concurrently according to claim 1, it is characterized in that: described end anchorage parts are provided with metal expansion pipe and tapered cup nut, and tapered cup nut takes engage thread to connect with the anchor head end of the high duty metal body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200230436U CN201367909Y (en) | 2009-03-06 | 2009-03-06 | Novel anchor rod with end anchorage and full-length radial anchorage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200230436U CN201367909Y (en) | 2009-03-06 | 2009-03-06 | Novel anchor rod with end anchorage and full-length radial anchorage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201367909Y true CN201367909Y (en) | 2009-12-23 |
Family
ID=41486803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200230436U Expired - Fee Related CN201367909Y (en) | 2009-03-06 | 2009-03-06 | Novel anchor rod with end anchorage and full-length radial anchorage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201367909Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943014A (en) * | 2010-08-10 | 2011-01-12 | 中国科学院力学研究所 | Displacement release type anchor head device |
| CN102400699A (en) * | 2011-11-18 | 2012-04-04 | 山东科技大学 | Bamboo-joint type high-strength anchor rod |
| CN102877868A (en) * | 2012-09-26 | 2013-01-16 | 山东科技大学 | Novel expansion-type yielding prestress grouting anchor rope and using method thereof |
| CN103939119A (en) * | 2014-04-21 | 2014-07-23 | 山东科技大学 | Active-passive expansion hook type anchor rod |
| WO2014127680A1 (en) * | 2013-02-19 | 2014-08-28 | Pei Chunguang | Scissor-type expansion bolt and use thereof |
| CN105649665A (en) * | 2016-03-29 | 2016-06-08 | 李志� | Injection molding type anchor rod supporting device and construction method thereof |
-
2009
- 2009-03-06 CN CNU2009200230436U patent/CN201367909Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943014A (en) * | 2010-08-10 | 2011-01-12 | 中国科学院力学研究所 | Displacement release type anchor head device |
| CN101943014B (en) * | 2010-08-10 | 2012-07-25 | 中国科学院力学研究所 | Displacement release type anchor head device |
| CN102400699A (en) * | 2011-11-18 | 2012-04-04 | 山东科技大学 | Bamboo-joint type high-strength anchor rod |
| CN102877868A (en) * | 2012-09-26 | 2013-01-16 | 山东科技大学 | Novel expansion-type yielding prestress grouting anchor rope and using method thereof |
| CN102877868B (en) * | 2012-09-26 | 2015-06-17 | 山东科技大学 | Novel expansion-type yielding prestress grouting anchor rope and using method thereof |
| WO2014127680A1 (en) * | 2013-02-19 | 2014-08-28 | Pei Chunguang | Scissor-type expansion bolt and use thereof |
| CN103939119A (en) * | 2014-04-21 | 2014-07-23 | 山东科技大学 | Active-passive expansion hook type anchor rod |
| CN103939119B (en) * | 2014-04-21 | 2016-03-02 | 山东科技大学 | A kind of main passive expansion hook-type anchor pole |
| CN105649665A (en) * | 2016-03-29 | 2016-06-08 | 李志� | Injection molding type anchor rod supporting device and construction method thereof |
| CN105649665B (en) * | 2016-03-29 | 2017-02-15 | 李志� | Injection molding type anchor rod supporting device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20100306 |