CN106351681A - Slideway type expanding-shell anchor rod capable of automatically expanding lobes - Google Patents
Slideway type expanding-shell anchor rod capable of automatically expanding lobes Download PDFInfo
- Publication number
- CN106351681A CN106351681A CN201611072382.4A CN201611072382A CN106351681A CN 106351681 A CN106351681 A CN 106351681A CN 201611072382 A CN201611072382 A CN 201611072382A CN 106351681 A CN106351681 A CN 106351681A
- Authority
- CN
- China
- Prior art keywords
- anchor head
- flap
- head body
- anchor rod
- expanding
- Prior art date
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to a slideway type expanding-shell anchor rod capable of automatically expanding lobes. The slideway type expanding-shell anchor rod comprises an anchor rod body, lobes, and a spring, wherein the anchor rod body comprises a tubular pants body part and an expanding part, and two tongue-shaped surfaces are symmetrically arranged at the upper end of the expanding part and tilt inward; two outwardly inclined slideways are symmetrically arranged at the two sides between the two tongue-shaped surfaces at the upper end of the expanding part, and a first grouting groove and a rectangular hole are formed in the bottom of the slideway; the rectangular hole is communicated with the first grouting groove and the cavity of the tubular pants body part, and the excircle of the anchor rod body is of a step structure; a second grouting groove corresponding to the first grouting groove, and a zigzag-shaped step part are arranged in the lobe, and the spring is sleeved on the step excircle of the anchor rod body; the two ends of the spring are respectively matched with the step end surface of the anchor rod body and the lobes. By utilizing the compressibility of the spring, so that the spring can push the lobes to expand, and the mechanical anchoring force is generated, so that the problem that the lobes cannot be expanded by the expanding-shell anchor rod in construction is solved.
Description
Technical field
The present invention relates to shell anchor head field of rising, particularly a kind of flap can the slide way type of spreading automatically rise shell anchor head.
Background technology
21 century is the period of great prosperity of Development of Underground Engineering, and Underground Space Resource is that the construction of urbanization provides more
Probability.Immediate and mid-term, China is in railway tunnel, vcehicular tunnel, urban subway, Hydraulic Tunnel and large underground hole
Achieve the achievement attracting people's attention in construction, but while obtaining huge achievement, remain in asking that some are urgently researched and solved
Topic.
During the geological conditions such as country rock excavate, in order to prevent caving in of rock or soil, in engineering construction application
Often use slide way type to rise shell anchor head, carry out mechanical point anchor, reach the effect of gib, then carry out grouting realization and stablize anchor
Gu effect.But, the situation of rise shell anchor head flap in hole bad spreading in actual engineer applied, often occurs, real
The now not function of mechanical anchor.
Content of the invention
The technical problem to be solved is to provide a kind of flap can the slide way type of spreading automatically rise shell anchor head, can
Realize the automatic spreading of flap under suitable different construction conditions, overcome existing slide way type rise shell anchor head use in flap be unable to spreading
Defect.
In order to realize solving the purpose of above-mentioned technical problem, present invention employs following technical scheme:
A kind of flap can the slide way type of spreading automatically rise shell anchor head, it is characterized in that: include anchor head body, flap, spring；
Described anchor head body includes tubulose diaper body portion and bulge；Tubulose diaper body portion sets female tubular type structure for inwall；
Bulge upper end is arranged with two tongue type faces, and tongue type, towards tilted, for reducing anchor head body top cross-sectional area, is easy to anchor
Head body insertion boring；Between the Liang Shexing face of bulge upper end, both sides are symmetrical arranged two outward-dipping slideways；The setting of slideway,
Enable the flap being arranged on slideway when sliding up to both sides spreading；Slide bottom is provided with the first slip casting groove and oblong aperture,
Oblong aperture connects the cavity of the first slip casting groove and tubulose diaper body portion, and for ensureing the permeability of outside grouting, circle is anchor head in vitro
Ledge structure, anchor head body step end face plays the effect of fixing spring position；
Described flap is upper flat lower thick laminated structure, and flap is provided with corresponding second note of the first slip casting groove with slide bottom
Stock tank, opposite side is provided with downward-sloping sawtooth-shaped steps portion；
Described spring curl, install be placed on anchor head object table rank cylindrical on, one end and anchor head body step end face coordinate, the other end
With flap cooperation；
Two flap are equipped with two slideways of anchor head body, the second note on the first slip casting groove of slide bottom and flap
Stock tank matches, and forms slurry outlet；Setting sawtooth-shaped steps portion is in order in flap spreading, this position can clamping hole wall,
Increase the frictional force between this anchor head body and hole wall；Setting spring is to promote flap to transport forward along slideway with respect to anchor head body to rise
Dynamic, make flap from trend both sides spreading, thus being clamped on hole wall.
Specific: the female thread in the tubulose diaper body portion of described anchor head body is used for coordinating the external screw thread of anchor pole, make anchor head body even
Connect anchor pole.
Using method: during use, install the shell anchor head that rises of this patent before anchor pole, promote anchor pole that this is risen shell anchor head slowly
Push in boring, wall drag makes flap with respect to slideway rearward movement, make flap automatically to contract, now spring is by flap
Extruding force backward produces compression, and when flap is shunk to a certain extent, the resistance between shell anchor head flap and hole wall that rises is less than and promotes
Power, the shell anchor head that rises integrally starts to move forward, and when moving to precalculated position stopping and being mobile, compressed spring promotes flap,
Make flap and travel forward along slideway with respect to the shell anchor head body that rises, make flap from trend both sides spreading, between flap and hole wall
Resistance and spring promote the thrust of blade equal, flap stopping action, at this moment, the shell anchor head that rises completes to automatically open up, and completes machine
Tool anchors.
By adopting technique scheme, the present invention has a following beneficial effect:
A kind of expanding slide way type of flap of the present invention rises shell anchor head, for ensureing flap in hole in the slide way type shell anchor head that rises
Can spreading automatically, do not need by other instruments or extra apply external force in the case of, using the compressibility of spring, make
Spring promotes flap spreading, produces mechanical anchoring force, thus solving during practice of construction, the shell anchor head that rises cannot spreading leaf
The problem of lobe.
Brief description
Fig. 1 is the overall schematic of the present invention.
Fig. 2 is spring compressed schematic diagram during present invention work.
Fig. 3 is the structural representation of anchor head body.
Fig. 4 is the structural representation of flap.
Fig. 5 is the structural representation of spring.
In figure: 101- flap, 102- helical spring, 103- anchor head body, 104- injected hole, 105- tongue shape face, 201- step
Diaper body portion, 202- bulge, 203- the first slip casting groove, 205- slideway, 206- anchor head body step end face, 301- sawtooth-shaped steps
Portion, 302- the second slip casting groove.
Specific embodiment
As shown in Fig. 1 to Fig. 5, a kind of expanding slide way type of flap rises shell anchor head, and it includes anchor head body 103, flap
101st, helical spring 102.
Described anchor head body 103 includes tubulose diaper body portion 201 and bulge 202；Tubulose diaper body portion 201 is provided with interior spiral shell for inwall
The tubular type structure of stricture of vagina；Bulge 202 upper end is arranged with two tongue type faces, tongue type towards tilted, for reducing anchor head body
103 top cross-sectional areas, are easy to anchor head body 103 insertion boring；Between bulge 202 upper end Liang Shexing face, both sides are symmetrical arranged two
Individual outward-dipping slideway 205；The setting of slideway 205, enable the flap 101 being arranged on slideway 205 when sliding up to
Both sides spreading；Slideway 205 bottom is provided with the first slip casting groove 203 and oblong aperture, oblong aperture connection the first slip casting groove 203 and tubulose trousers
The cavity of body 201, for ensureing the permeability of outside grouting, anchor head body 103 cylindrical for ledge structure, anchor head body step end face
206 effects playing fixing helical spring 102 position.
Described flap 101 is upper flat lower thick laminated structure, and flap 101 is provided with the first slip casting with slideway 205 bottom
The corresponding second slip casting groove 302 of groove 203, opposite side is provided with downward-sloping sawtooth-shaped steps portion 301.
Described helical spring 102 curl, install be placed on anchor head object table rank cylindrical on, one end and anchor head body step end face
206 cooperations, the other end is coordinated with flap 101.
Two flap 101 are equipped with two slideways 205 of anchor head body 103, the first slip casting groove of slideway 205 bottom
203 are matched with the second slip casting groove 302 in flap 101, form slurry outlet；Setting sawtooth-shaped steps portion 301 is in order in leaf
During lobe 101 spreading, this position can clamping hole wall, increase the frictional force between this anchor head body 103 and hole wall；Setting helical spring
102 is to promote flap 101 to travel forward along slideway 205 with respect to anchor head body to rise, and makes flap 101 from trend both sides spreading,
Thus being clamped on hole wall.The female thread in the tubulose diaper body portion 201 of described anchor head body 103 is used for coordinating the external screw thread of anchor pole, makes anchor
Head body connects anchor pole.
Using method: during use, install the shell anchor head that rises of this patent before anchor pole, promote anchor pole that this is risen shell anchor head slowly
Push in boring, wall drag makes flap 101 with respect to slideway 205 rearward movement, make flap 101 automatically to contract, now
Helical spring 102 by flap 101, compress by extruding force generation backward, and when flap 101 is shunk to a certain extent, rise shell anchor head flap
Between 101 and hole wall, resistance is less than motive force, and the shell anchor head that rises integrally starts to move forward, and stops moving when moving to precalculated position
When, compressed helical spring 102 promotes flap 101, makes flap 101 and transports forward along slideway 205 with respect to the shell anchor head body 103 that rises
Dynamic, make flap 101 from trend both sides spreading, the resistance between flap 101 and hole wall promotes blade with helical spring 102
Thrust is equal, flap 101 stopping action, and at this moment, the shell anchor head that rises completes to automatically open up, and completes mechanical anchor.
Claims (2)
1. a kind of flap can the slide way type of spreading automatically rise shell anchor head, it is characterized in that: include anchor head body, flap, spring；Described anchor
Head body includes tubulose diaper body portion and bulge；Tubulose diaper body portion sets female tubular type structure for inwall；Bulge upper end
It is arranged with two tongue type faces, tongue type, towards tilted, for reducing anchor head body top cross-sectional area, be easy to the insertion of anchor head body and bored
Hole；Between the Liang Shexing face of bulge upper end, both sides are symmetrical arranged two outward-dipping slideways；Slide bottom is provided with the first slip casting
Groove and oblong aperture, oblong aperture connects the cavity of the first slip casting groove and tubulose diaper body portion, for ensureing the permeability of outside grouting, anchor
Circle is ledge structure to head in vitro, and anchor head body step end face plays the effect of fixing spring position；
Described flap is upper flat lower thick laminated structure, and flap is provided with corresponding second note of the first slip casting groove with slide bottom
Stock tank, opposite side is provided with downward-sloping sawtooth-shaped steps portion；
Described spring curl, install be placed on anchor head object table rank cylindrical on, one end and anchor head body step end face coordinate, the other end
With flap cooperation；
Two flap are equipped with two slideways of anchor head body, the second note on the first slip casting groove of slide bottom and flap
Stock tank matches, and forms slurry outlet.
2. flap can the slide way type of spreading automatically rise shell anchor head according to claim 1, it is characterized in that: described anchor head body
The female thread in tubulose diaper body portion is used for coordinating the external screw thread of anchor pole, makes anchor head body connect anchor pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072382.4A CN106351681A (en) | 2016-11-29 | 2016-11-29 | Slideway type expanding-shell anchor rod capable of automatically expanding lobes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611072382.4A CN106351681A (en) | 2016-11-29 | 2016-11-29 | Slideway type expanding-shell anchor rod capable of automatically expanding lobes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106351681A true CN106351681A (en) | 2017-01-25 |
Family
ID=57862899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611072382.4A Pending CN106351681A (en) | 2016-11-29 | 2016-11-29 | Slideway type expanding-shell anchor rod capable of automatically expanding lobes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173548A (en) * | 2020-01-20 | 2020-05-19 | 黑龙江工业学院 | Elastic spiral anchoring type roadway supporting method |
| CN114607426A (en) * | 2022-04-08 | 2022-06-10 | 中南大学 | Full-length anchoring method for prestressed spring mechanical expansion shell end anchor hollow grouting long anchor cable |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175829Y (en) * | 1993-07-14 | 1994-08-31 | 戴丽珍 | Expasion sleeve bolt |
| CN201753447U (en) * | 2010-05-18 | 2011-03-02 | 杭州图强工程材料有限公司 | Expansion type anchoring head and anchor rod thereof |
| CN201802429U (en) * | 2010-07-22 | 2011-04-20 | 成都四海岩土工程有限公司 | Expanding shell type center hole exhaust and grouting prestressed anchor rod |
| KR101228121B1 (en) * | 2012-08-06 | 2013-01-31 | 주식회사 대덕지질 | Anchor device and method of using spring |
| CN203847136U (en) * | 2014-01-27 | 2014-09-24 | 北方工业大学 | Novel prestress anchoring device |
| CN105114110A (en) * | 2015-09-21 | 2015-12-02 | 洛阳中岩工程材料有限公司 | Novel slide way type expanding-shell anchor head |
| CN105626112A (en) * | 2016-01-08 | 2016-06-01 | 尤洛卡（山东）深部地压防治安全技术有限公司 | Support device based on built-in type constant-resistance device and use method thereof |
| CN205349392U (en) * | 2016-01-28 | 2016-06-29 | 山东安科矿山支护技术有限公司 | Large aperture slip casting anchor rope |
| CN206256921U (en) * | 2016-11-29 | 2017-06-16 | 洛阳中岩工程材料有限公司 | A kind of flap can the chute type of spreading automatically rise shell anchor head |
-
2016
- 2016-11-29 CN CN201611072382.4A patent/CN106351681A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175829Y (en) * | 1993-07-14 | 1994-08-31 | 戴丽珍 | Expasion sleeve bolt |
| CN201753447U (en) * | 2010-05-18 | 2011-03-02 | 杭州图强工程材料有限公司 | Expansion type anchoring head and anchor rod thereof |
| CN201802429U (en) * | 2010-07-22 | 2011-04-20 | 成都四海岩土工程有限公司 | Expanding shell type center hole exhaust and grouting prestressed anchor rod |
| KR101228121B1 (en) * | 2012-08-06 | 2013-01-31 | 주식회사 대덕지질 | Anchor device and method of using spring |
| CN203847136U (en) * | 2014-01-27 | 2014-09-24 | 北方工业大学 | Novel prestress anchoring device |
| CN105114110A (en) * | 2015-09-21 | 2015-12-02 | 洛阳中岩工程材料有限公司 | Novel slide way type expanding-shell anchor head |
| CN105626112A (en) * | 2016-01-08 | 2016-06-01 | 尤洛卡（山东）深部地压防治安全技术有限公司 | Support device based on built-in type constant-resistance device and use method thereof |
| CN205349392U (en) * | 2016-01-28 | 2016-06-29 | 山东安科矿山支护技术有限公司 | Large aperture slip casting anchor rope |
| CN206256921U (en) * | 2016-11-29 | 2017-06-16 | 洛阳中岩工程材料有限公司 | A kind of flap can the chute type of spreading automatically rise shell anchor head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173548A (en) * | 2020-01-20 | 2020-05-19 | 黑龙江工业学院 | Elastic spiral anchoring type roadway supporting method |
| CN114607426A (en) * | 2022-04-08 | 2022-06-10 | 中南大学 | Full-length anchoring method for prestressed spring mechanical expansion shell end anchor hollow grouting long anchor cable |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |
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| WD01 | Invention patent application deemed withdrawn after publication |