CN106321127A - Expansion shell anchor head for anchor rod and rope - Google Patents
Expansion shell anchor head for anchor rod and rope Download PDFInfo
- Publication number
- CN106321127A CN106321127A CN201611018173.1A CN201611018173A CN106321127A CN 106321127 A CN106321127 A CN 106321127A CN 201611018173 A CN201611018173 A CN 201611018173A CN 106321127 A CN106321127 A CN 106321127A
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- Prior art keywords
- anchor
- shell
- head
- rod
- little axle
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 238000009434 installation Methods 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 claims description 23
- 230000007480 spreading Effects 0.000 claims description 13
- 238000003892 spreading Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 5
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 2
- 210000001215 vagina Anatomy 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 abstract description 16
- 239000011435 rock Substances 0.000 abstract description 13
- 238000005553 drilling Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means
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- 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 discloses an expansion shell anchor head for an anchor rod and rope. The expansion shell anchor head is composed of two expansion shell clamping pieces, a threaded rod, a threaded steel bushing, a connecting plate, a steel bushing and the like. The threaded rod is located between the two expansion shell clamping pieces, and the tail portion of the threaded rod is a reversely-threaded section for assembling the threaded steel bushing; the head portion of the threaded rod is a polish rod section for assembling the steel bushing; a rod tip is arranged at the end of the threaded rod; small shafts are arranged on the two sides of the threaded steel bushing and the steel bushing, and the connecting plate is installed on the small shafts and hinged to small shafts on the two sides of the tail portions and the head portions of the expansion shell clamping pieces. Or, the threaded rod is replaced by a double-end threaded rod; the tail portion of the double-end threaded rod is still a threaded section; the head portion of the double-end threaded rod is a forwardly-threaded section for assembling a forwardly-threaded steel bushing; the rest is the same as the former. The tail end of the threaded rod and the front end of the anchor rod and rope are fixedly connected to serve as an end anchor. During installation of the anchor rod and rope, the threaded rod is driven to rotate to push the threaded steel bushing to move forwards, and the connecting plate enables the two expansion shell clamping pieces to expand and tighten a hole wall. The expansion shell anchor head is suitable for anchoring support of an extremely-soft broken rock mass and is also used for anchoring during drilling of large-diameter holes. The anchoring diameter is increased and can be adjusted, and therefore anchoring force is improved.
Description
Technical field
The present invention relates to mine support, rock anchorage field, particularly a kind of at mine soft rock mass, fragmented rock body, big
Aperture supporting is used as the anchor shaft anchor cable shell anchor head that rises of anchor pole or anchor cable end anchor.
Background technology
China mine increases year by year with mining depth, and roadway support difficulty is increasing, particularly at mining in soft rock mining and height
Under the conditions of Stress superposition, roadway deformation fast convergence rate, tunnel broken circle scope is very big, makes roadway support and safeguards the most tired
Difficult.For soft rock mass and coal body tunnel, commonly used resin anchoring agent carries out holding anchor, and resin anchoring agent and weak coal and rock
Adhesion strength is low, be difficult in adapt to country rock large deformation.Also have and use the anchoring of mechanical expanding shell anchor head, i.e. use the wedge grip of band sawtooth
Sheet is fixed on anchor head both sides, installs to time at the bottom of drilling hole at anchor pole or anchor cable, rotates anchor pole or anchor cable makes its front end body of rod clamp-on
Wedge shape rises in the middle of shell, and then makes wedge shape shell and hole wall extruding of rising form frictional force by anchor pole or anchor cable end anchor.This mechanical expanding shell
Anchor head diameter is generally 20～25mm, and the wedge shape complete expanded diameter of shell that rises is up to 40～50mm, and for the softest coal
Body and completely broken rock mass, even if mechanical expanding shell anchor head expands completely, diameter reaches 50mm, also will not be formed effectively with hole wall
Frictional resistance, this makes mechanical expanding shell anchor head have certain limitation and lose efficacy possible.
Summary of the invention
Use resin anchoring agent anchoring strength low at country rock smashed to pieces and coal body tunnel to overcome and use mechanical expanding shell
Anchor head swell diameter is little, and anchor pole or anchorage cable anchoring power are difficult to reach the deficiency of design standard, and the present invention provides a kind of anchor shaft anchor cable
With the shell anchor head that rises, it can be suitable for mine dead-soft, country rock district roadway bolt smashed to pieces or the needs of anchor cable end anchor, and its anchoring diameter can
Reach 30～120mm, also can solve the problem that loose and soft surrounding rock large aperture is difficult to anchor, and simple in construction, easy to use.
The present invention solves that above-mentioned technical problem be the technical scheme is that
A kind of anchor shaft anchor cable shell anchor head that rises, risen shell intermediate plate by the two panels constituting the shell that rises, two spiral shells of centre rising by shell intermediate plate
Rasp bar bodies etc. are constituted.The screw thread body of rod be afterbody be thread segment, its head be the screw thread body of rod that there is head light bar segment, head termination.
The screw thread of the thread segment of the screw thread body of rod is reverse thread, is equipped with steel screw bushing on it；Head diameter is more than the body of rod；In light bar segment
It is equipped with steel bushing, the front end face of steel bushing and head interior side contacts.Steel screw bushing is cylindrical shape, has female thread, both sides to have little axle, little
Equipped with connecting plate on axle.Steel bushing is cylindric, and there is little axle both sides, equipped with connecting plate on little axle；The front end face of steel bushing and side joint in head
Touch.The rise inner face both sides of shell intermediate plate afterbody are respectively arranged with a little axle, and little axle is connected by support and the shell intermediate plate that rises.Fill on the little axle of both sides
Have connecting plate, the connecting plate of both sides be hingedly connected to rise shell intermediate plate two sides of tail little axle and the little axle of steel screw bushing both sides between.Rise
The inner face both sides of shell intermediate plate head are respectively arranged with a little axle, and little axle is connected with the shell intermediate plate that rises by support；It is provided with on the little axle of both sides
Connecting plate, the connecting plate of both sides be hingedly connected to rise shell intermediate plate head both sides little axle and the little axle of steel bushing both sides between.
Or, the described screw thread body of rod be afterbody be thread segment, its head be the double thread body of rod of forward thread segment.Double
It is equipped with steel screw bushing on the thread segment of the head thread body of rod；Forward steel screw bushing it is equipped with on forward thread segment.Forward screw-thread steel
Set is cylindrical shape, and the rotation direction of its female thread is contrary with thread segment, and there is little axle its both sides, equipped with connecting plate on little axle, and the little axle in both sides
On connecting plate be hingedly connected between little axle and the little axle of forward steel screw bushing both sides of shell intermediate plate head both sides of rising.Screw-thread steel
Connecting plate on set both sides little axle be hingedly connected to rise shell intermediate plate two sides of tail little axle and the little axle of steel screw bushing both sides between.
The front end of the screw thread body of rod is than the position lag of shell intermediate plate front end of rising.Screw thread body of rod tail end and anchor rod body or anchor cable rope
The oppositely oriented when head of body connects firmly one, the thread rotary orientation of thread segment and anchor pole or anchor cable installation.When anchor rod body or anchor
When rustling sound body is installed, moving after being rotated by the drive screw thread body of rod and promoting steel screw bushing reach, steel bushing or forward steel screw bushing, two rise
Shell intermediate plate spreading.
The invention has the beneficial effects as follows:
1. utilize leading screw and nut mechanism, connecting plate linkwork to constitute mechanical expanding shell anchor head, considerably increase the anchoring of the shell anchor head that rises
Diameter, can improve anchor force, it is ensured that anchoring is reliable.Can be suitable for country rock the softest, smashed to pieces under the conditions of anchor pole or anchor cable end anchor
Need, prevent bore expanded hole or hole wall from crushing and cause fastening invalidation, be also applied for the end anchor of large aperture anchor pole or anchor cable.
2. anchoring diameter can be adjusted according to on-the-spot bore diameter increasing connecting plate length, and site operation is simple, easily operates.
3. simple in construction, easy to process, cost is relatively low.
Accompanying drawing explanation
Structural representation front view when the shell anchor head that rises of Fig. 1: anchor shaft anchor cable closes.
The structural representation top view of the shell anchor head that rises of Fig. 2: anchor shaft anchor cable.
Structural representation when the shell anchor head that rises of Fig. 3: anchor shaft anchor cable opens.
Ι-Ι sectional view in Fig. 4 a: Fig. 1.
Ι-Ι sectional view in Fig. 4 b: Fig. 3.
Fig. 5 a: the profile that the shell intermediate plate that rises is fixed with one with Ω shape bracing frame.
A direction view in Fig. 5 b: Fig. 5 a.
The structural representation front view of Fig. 6 a, Fig. 6 b: steel screw bushing, side view.
The structural representation left side view of Fig. 7 a, Fig. 7 b: steel bushing, front view
The structural representation of Fig. 7 c: connecting plate.
Fig. 8: the structural representation of the screw thread body of rod.
Fig. 9: double thread bar structure schematic diagram.
In figure: the 1-screw thread body of rod, 2-rise shell intermediate plate, 3-steel screw bushing, 4-connecting plate, 5-Ω shape bracing frame, 6-steel bushing, 7-gear
Circle, the little axle of 8-, the 9-double thread body of rod, 10-forward steel screw bushing；C-circlip groove, L-thread segment, L '-forward thread segment, G-light
Bar segment, T-head.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1:
In Fig. 1, a kind of structure of the shell anchor head that rises of anchor shaft anchor cable shown in 2.It is by the shell intermediate plate 2 that rises, the screw thread body of rod 1, screw-thread steel
Set 3, connecting plate 4, Ω shape bracing frame 5 and steel bushing 6 etc. are constituted.
The two panels of shell anchor head of the rising shell intermediate plate 2 that rises constitutes the shell that rises.The rise outside of cross section of shell intermediate plate 2 is circular arc, vertical cuts
The outside in face is zigzag.The medial surface of shell intermediate plate 2 of rising is cylindric cambered surface.The two symmetrical in opposite directions cloth of medial surface rising by shell intermediate plate 2
Put.
There is a screw thread body of rod 1 two centres rising by shell intermediate plate 2.The screw thread body of rod 1 be afterbody i.e. illustrate left end be thread segment L, its
Head is the screw thread body of rod that there is head T light bar segment G, its head termination.The screw thread of the screw thread body of rod 1 thread segment L be reverse thread, its
On be equipped with steel screw bushing 3.Head T diameter is more than the body of rod.Steel bushing 6, the front end face of steel bushing 6 and head T it is equipped with in light bar segment G
Interior side contacts.Steel screw bushing 3 is cylindrical shape, has female thread, both sides to have little axle 8, equipped with connecting plate 4 on little axle 8.Steel bushing 6 is cylinder
Shape, there is little axle 8 both sides, equipped with connecting plate 4 on little axle 8；The front end face of steel bushing 6 and head T interior side contacts.
The rise inner face both sides of shell intermediate plate 2 afterbody are respectively arranged with a little axle 8, and little axle 8 is connected by support and the shell intermediate plate 2 that rises；Both sides
Little axle 8 on equipped with connecting plate 4, the connecting plate 4 of both sides is hingedly connected to rise the little axle 8 of shell intermediate plate 2 two sides of tail and steel screw bushing 3 liang
Between the little axle 8 of side.
The rise inner face both sides of shell intermediate plate 2 head are respectively arranged with a little axle 8, and little axle 8 is connected by support and the shell intermediate plate 2 that rises；Both sides
Little axle 8 on connecting plate 4 is installed, the connecting plate 4 of both sides is hingedly connected to rise the little axle 8 of shell intermediate plate 2 head both sides and steel bushing 6 both sides
Little axle 8 between.
Fig. 5 a, Fig. 5 b illustrate the structure that the shell intermediate plate that rises is fixed with one with Ω shape bracing frame.
The support that the little axle in inner face both sides 8 of shell intermediate plate 2 and its head, afterbody of rising is connected is Ω shape bracing frame 5.Ω shape supports
The expansion shape of frame 5, as spindle, divides for circular arc shaped curvature in the middle of it, and there is little axle 8 both sides, in " Ω " shape；Two Ω shapes are propped up
The arch section of support 5 is anterior with the shell intermediate plate 2 that rises, the arc-shaped medial surface at rear portion is welding as one respectively.Two Ω shape bracing frames 5
The little axle 8 of both sides, the shell intermediate plate 2 that i.e. rises is anterior, the little axle 8 of both sides, rear portion.
Fig. 4 a illustrate the two of the shell anchor head that rises rise shell intermediate plate 2 non-spreading time cross section state.
Fig. 4 b illustrate the two of the shell anchor head that rises rise shell intermediate plate 2 spreading time cross section state.
On the little axle 8 of Ω shape bracing frame 5, steel screw bushing 3 and steel bushing 6 both sides, it is equipped with circlip groove in the outside of connecting plate 4
C, for installing back-up ring 7, to prevent connecting plate 4 from departing from little axle 8.
Fig. 6 a, Fig. 6 b illustrate the structure of steel screw bushing 3.Steel screw bushing 3 is cylindric, and there is little axle 8 both sides, has spiral shell in it
Stricture of vagina.
Fig. 7 a, Fig. 7 b illustrate the structure of steel bushing 6.Steel bushing 6 is cylindric, and there is little axle 8 both sides.
Fig. 8 illustrates the structure of the screw thread body of rod 1.The screw thread body of rod 1 afterbody one end i.e. illustrates left end, for thread segment L；Its head is i.e.
Diagram right-hand member termination, is diameter head T that is more than the body of rod；It it is light bar segment G between its thread segment L and head T.Generally, anchor pole bar
Body or anchor cable are dextrorotation when installing, so, it is illustrated that the screw thread body of rod 1 tailing screw flight be left hand thread, with anchor rod body or
Anchor cable oppositely oriented.
Fig. 7 c illustrates a kind of structure of connecting plate 4.Its left end be wide, right-hand member is narrow.With left and right wide connecting plate, and conventional
The carrier bar of chain is the most available.
Fig. 3 illustrate anchor shaft anchor cable rise shell anchor head spreading time state.
Originally rise the shell anchor head end anchor member as anchor pole or anchor cable, its screw thread body of rod 1 tail end and anchor rod body or anchor cable rope
The head of body connects firmly one.Connect firmly the modes such as employing welding, thread connection.The thread rotary orientation of the thread segment L of the screw thread body of rod 1 afterbody
Oppositely oriented when installing with anchor pole or anchor cable, and head T of its front end contacts with the front end face of steel bushing 6.When anchor rod body or
When anchor cable is installed, the drive screw thread body of rod 1 is rotated and promotes steel screw bushing 3 to move forward, after making head T promote steel bushing 6 simultaneously
Move, combine promotion by forward and backward connecting plate 4, make the two forward and backward two ends spreadings simultaneously rising by shell intermediate plate 2.
The front end of the screw thread body of rod 1 is more delayed than the front position of the shell intermediate plate 2 that rises, in order to hole is blocked in shell intermediate plate 2 front end that makes to rise
The end, the shell intermediate plate 2 that prevents from rising only rotate with the screw thread body of rod 1 and not spreading.
Embodiment 2:
The anchor shaft anchor cable of the present invention another kind of structure of the shell anchor head that rises, is by the shell intermediate plate 2 that rises, the double thread body of rod 10, screw-thread steel
Set 3, connecting plate 4, Ω shape bracing frame 5 and forward steel screw bushing 10 etc. are constituted.It is essentially identical with example 1.Difference is double end
The screw thread body of rod 9 and forward steel screw bushing 10.
Fig. 9 illustrates the structure of the double thread body of rod 9, and the installation site of forward steel screw bushing 10.
The double thread body of rod 9 be afterbody be thread segment L, head be the screw thread body of rod of forward thread segment L '.Double thread bar
Steel screw bushing 3, forward thread segment L ' upper assembling forward steel screw bushing 10 is assembled on the thread segment L of body 9.Forward steel screw bushing 10 is
Cylindrical shape, the rotation direction of its female thread and thread segment L's is oppositely oriented, for forward screw thread.There is little axle forward steel screw bushing 10 both sides
8, equipped with connecting plate 4 on little axle 8, the connecting plate 4 on the little axle in both sides 8 is hingedly connected to rise the little axle 8 of shell intermediate plate 2 head both sides and forward
Between the little axle 8 of steel screw bushing 10 both sides.Connecting plate 4 on the little axle in steel screw bushing 3 both sides 8 is hingedly connected to shell intermediate plate 2 afterbody that rises
Between little axle 8 and the little axle 8 of steel screw bushing 3 both sides of both sides.
The little axle 8 of shell intermediate plate 2 head both sides of rising is that the Ω shape being welding as one with the shell intermediate plate 2 head arc-shaped medial surface that rises is propped up
The little axle 8 of support 5 both sides.The little axle 8 of shell intermediate plate 2 two sides of tail that rises be with rise shell intermediate plate 2 afterbody arc-shaped medial surface weldering be one
The little axle 8 of Ω shape bracing frame 5 both sides of body.
The double thread body of rod 9 tail end connects firmly one with the head of anchor rod body or anchor cable by welding.Double thread
The oppositely oriented when thread rotary orientation of the thread segment L of the body of rod 9 afterbody and anchor pole or anchor cable are installed, and the forward thread segment of its head
The rotation direction when thread rotary orientation of L ' is installed with anchor rod body or anchor cable is identical.When anchor rod body or anchor cable are installed,
The drive double thread body of rod 9 rotated and promotes steel screw bushing 3 to move forward, moving after forward steel screw bushing 10, by front and back's connecting plate 4
Associating promotion, makes the two forward and backward two ends simultaneously spreadings rising by shell intermediate plate 2, with hole wall squeezed tight, forms anchor force, reach to hold anchor
Purpose.The front end of the double thread body of rod 9 is more delayed than the front position of the shell intermediate plate 2 that rises, in order to shell intermediate plate 2 front end that makes to rise is blocked
At the bottom of hole.
Anchor pole or anchor cable to bear huge active force in the course of the work, it is desirable to the component of the shell anchor head that rises has high-strength
Degree, especially connecting plate, little axle, steel screw bushing, steel bushing etc..
Other embodiment:
1. the support that the Ω shape bracing frame of this example can also take other form, such as: make support, the end with the riser of bottom belt crimp
Portion's crimp is welded in shell intermediate plate 2 inner face both sides of rising, and burn-ons little axle 8 in the outside of riser.
2. prevent connecting plate from departing from little axle mode, except using back-up ring, it is possible to use other method, such as: to use packing ring to increase
Mouthful pin, by the method such as thick for the outer diameter riveting of little axle.
3. the medial surface of shell intermediate plate 2 of rising is arc surface, and the internal diameter of its medial surface front end is little, the internal diameter of rear end big, makes the shell that rises
After intermediate plate spreading, the external diameter of shell front end of rising bigger than the external diameter of rear end, improve anchoring effect.Can also be by making shell anchor head front end of rising
Connecting plate longer than the connecting plate of rear end, or, the thread pitch of the shell anchor head double thread body of rod head end that makes to rise is than the screw thread spiral shell of tail end
Away from greatly, after the shell intermediate plate spreading that reaches to rise, the external diameter of shell front end of rising is bigger than the external diameter of its rear end, improve the purpose of anchoring effect.
Claims (5)
1. the anchor shaft anchor cable shell anchor head that rises, rises shell intermediate plate including the two panels constituting the shell that rises, it is characterised in that: described two are risen
There is a screw thread body of rod centre of shell intermediate plate (2)；The screw thread body of rod be afterbody be thread segment (L), its head be light bar segment (G), head
There is the screw thread body of rod (1) of head (T) termination；The screw thread of the screw thread body of rod (1) thread segment (L) is reverse thread, is equipped with spiral shell on it
Stricture of vagina steel bushing (3)；Head (T) diameter is more than the body of rod；Steel bushing (6), the front end face of steel bushing (6) and head it is equipped with in light bar segment (G)
(T) interior side contacts；Steel screw bushing (3) is cylindrical shape, has female thread, both sides to have little axle (8), equipped with connecting plate (4) on little axle (8)；
Steel bushing (6) is cylindric, and there is little axle (8) both sides, equipped with connecting plate (4) on little axle (8)；Rise the inner face both sides of shell intermediate plate (2) afterbody
Being respectively arranged with a little axle (8), little axle (8) is connected with the shell intermediate plate (2) that rises by support；Equipped with connecting plate (4) on the little axle (8) of both sides, two
The connecting plate (4) of side be hingedly connected to rise shell intermediate plate (2) two sides of tail little axle (8) and steel screw bushing (3) both sides little axle (8) it
Between；The rise inner face both sides of shell intermediate plate (2) head are respectively arranged with a little axle (8), and little axle (8) is connected by support and the shell intermediate plate (2) that rises；Two
Being provided with connecting plate (4) on the little axle (8) of side, the connecting plate (4) of both sides is hingedly connected to rise the little axle of shell intermediate plate (2) head both sides
(8) and between the little axle (8) of steel bushing (6) both sides；Or, the described screw thread body of rod be afterbody be that thread segment (L), its head are for just
The double thread body of rod (9) to thread segment (L ')；It is equipped with steel screw bushing (3) on the thread segment (L) of the double thread body of rod (9),
It is equipped with forward steel screw bushing (10) on forward thread segment (L ')；Forward steel screw bushing (10) is cylindric, the rotation of its female thread
To contrary with thread segment (L), there is little axle (8) its both sides, equipped with connecting plate (4) on little axle (8), and the connecting plate on the little axle in both sides (8)
(4) be hingedly connected to rise shell intermediate plate (2) head both sides little axle (8) and the little axle (8) of forward steel screw bushing (10) both sides between；
Connecting plate (4) on the little axle in steel screw bushing (3) both sides (8) is hingedly connected to rise the little axle (8) of shell intermediate plate (2) two sides of tail and screw thread
Between the little axle (8) of steel bushing (3) both sides；The front end ratio of the screw thread body of rod rises the position lag of shell intermediate plate (2) front end；Screw thread body of rod tail
End connects firmly one with the head of anchor rod body or anchor cable；The thread rotary orientation of thread segment (L) and anchor rod body or anchor cable
Oppositely oriented during installation；When anchor rod body or anchor cable are installed, the drive screw thread body of rod is rotated and promotes steel screw bushing
(3) reach, steel bushing (6) or forward steel screw bushing (10) move afterwards, and two rise shell intermediate plate (2) spreading.
The anchor shaft anchor cable the most according to claim 1 shell anchor head that rises, it is characterised in that: described the interior of shell intermediate plate (2) that rise
Side is arc-shaped；Described support is Ω shape bracing frame (5), and the centre of Ω shape bracing frame (5) is that circular arc shaped curvature divides, two
There is little axle (8) side, in " Ω " shape；The arch section of two Ω shape bracing frame (5) is anterior with the shell intermediate plate (2) that rises, the circular arc at rear portion
Shape medial surface is welding as one respectively.
The anchor shaft anchor cable the most according to claim 2 shell anchor head that rises, it is characterised in that: described shell intermediate plate (2) inner side of rising
The arc surface in face, the internal diameter of front end is little, the internal diameter of rear end is big；Rise after shell intermediate plate spreading, outside the external diameter of shell front end of rising is than rear end
Footpath is big.
The anchor shaft anchor cable the most according to claim 1 shell anchor head that rises, it is characterised in that: the connecting plate of the described shell anchor head that rises
(4), the length of front end connecting plate is bigger than the length of rear end connecting plate；Rise after shell intermediate plate spreading, outside the external diameter of shell front end of rising is than rear end
Footpath is big.
The anchor shaft anchor cable the most according to claim 1 shell anchor head that rises, it is characterised in that: the double end spiral shell of the described shell anchor head that rises
The thread pitch of rasp bar body (9) head end is bigger than the thread pitch of tail end；Rising after shell intermediate plate spreading, the external diameter of shell front end of rising compares rear end
External diameter big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018173.1A CN106321127B (en) | 2016-11-20 | 2016-11-20 | The anchor shaft anchor cable shell anchor head that rises |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018173.1A CN106321127B (en) | 2016-11-20 | 2016-11-20 | The anchor shaft anchor cable shell anchor head that rises |
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| Publication Number | Publication Date |
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| CN106321127A true CN106321127A (en) | 2017-01-11 |
| CN106321127B CN106321127B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024627A (en) * | 2018-08-15 | 2018-12-18 | 中国人民解放军军事科学院国防工程研究院 | A kind of novel lattice-anchor pole-anchor cable composite slope ruggedized construction and construction method |
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| CN203879523U (en) * | 2014-03-19 | 2014-10-15 | 汪润中 | Expansion shell anchor rod |
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| CN205329688U (en) * | 2016-01-12 | 2016-06-22 | 山东科技大学 | Resistance -increasing slip casting stock |
| CN206346766U (en) * | 2016-11-20 | 2017-07-21 | 中国平煤神马能源化工集团有限责任公司 | The anchor shaft anchor cable shell anchor head that rises |
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2016
- 2016-11-20 CN CN201611018173.1A patent/CN106321127B/en active Active
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|---|---|---|---|---|
| CN2060815U (en) * | 1989-07-07 | 1990-08-22 | 王明顺 | Tooth expanding-locking anchoring-bolts |
| CN103806446A (en) * | 2014-02-21 | 2014-05-21 | 易朋莹 | Internally-supporting expansion type anchor rod |
| CN203879523U (en) * | 2014-03-19 | 2014-10-15 | 汪润中 | Expansion shell anchor rod |
| CN204082187U (en) * | 2014-09-17 | 2015-01-07 | 黄胜 | Recyclable thread bush tubular type anchor rod device |
| CN205329688U (en) * | 2016-01-12 | 2016-06-22 | 山东科技大学 | Resistance -increasing slip casting stock |
| CN206346766U (en) * | 2016-11-20 | 2017-07-21 | 中国平煤神马能源化工集团有限责任公司 | The anchor shaft anchor cable shell anchor head that rises |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109024627A (en) * | 2018-08-15 | 2018-12-18 | 中国人民解放军军事科学院国防工程研究院 | A kind of novel lattice-anchor pole-anchor cable composite slope ruggedized construction and construction method |
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