CN209339987U - A kind of compatible deformation anchor pole suitable for soft rock mining - Google Patents

A kind of compatible deformation anchor pole suitable for soft rock mining Download PDF

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Publication number
CN209339987U
CN209339987U CN201920063590.0U CN201920063590U CN209339987U CN 209339987 U CN209339987 U CN 209339987U CN 201920063590 U CN201920063590 U CN 201920063590U CN 209339987 U CN209339987 U CN 209339987U
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anchor
anchor pole
screw rod
fixture nut
nut
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CN201920063590.0U
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Chinese (zh)
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王帅栋
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China University of Geosciences Beijing
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China University of Geosciences Beijing
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Abstract

The utility model discloses a kind of compatible deformation anchor poles suitable for soft rock mining, including straight-bar spanner, screw rod, upper fixture nut, lower fixture nut, backing plate, anchor bar body, anchor pole casing, hangnail, anchor head, stop grouting plug, screw rod straight hole and connecting shaft.The beneficial effects of the utility model are: the compatible deformation Soil Anchor Design that should be suitable for soft rock mining is reasonable, anchor head is four pyramid shapes, dump tank is equipped in rectangular pyramid side, and anchor head largest face is bigger than anchor sleeve tube bottom face, anchor pole is in knocking in rock mass, anchor head touches rock mass at first, rectangular pyramid anchor head can reduce the resistance that anchor pole knocks in rock mass plus deslagging design, fixture nut is fastened using the double-deck nut above backing plate, including upper fixture nut and lower fixture nut, when anchor pole anchor lives rock mass, fixture nut may cause nut to fall off under the action of rock mass internal stress, this case occurs in order to prevent, it is fastened using the double-deck nut, reinforcement axle sleeve is installed on screw rod straight hole above screw rod.

Description

A kind of compatible deformation anchor pole suitable for soft rock mining
Technical field
The utility model relates to a kind of anchor pole, specially a kind of compatible deformation anchor pole suitable for soft rock mining.
Background technique
Anchor pole is the most basic component part that roadway support is used in coal mine, and anchor pole is by the surrounding rock consolidation in tunnel one It rises, makes country rock itself supporting itself, in coal mining, the mines calamity such as roof caving, water bursting in mine, Gas Outburst can be encountered Evil, improvement of such as adopting an effective measure not in time, will cause huge production accident, and great economic loss and personnel is caused to hurt It dies, as can each position strata displacement situation in tunnel is detected in real time, counted and analyzed, it can be to the pre- of mine disaster Anti- to play preventive and therapeutic effect, therefore, how to provide a kind of anchor pole that the strata displacement for supported laneway is detected is ability Field technique personnel technical problem urgently to be resolved.
Currently, high seam generally arranges that stope drift active workings, top plate are thicker coal body by the way of digging coal road the bottom of along, adopting Under dynamic stress, tectonic stress and country rock expansion, top plate coal body is relatively broken, is presented discontinuous feature, broken coal cinder with Engaged in the form of frictional force between coal cinder, strength of roof depends on frictional force, and roof deformation is squeezed by horizontal stress With roof cracking dilatation joint effect, high seam big cross section coal road is because its tunnel span is wide, and top plate is easier to inbreak, for thick coal Layer big cross section coal road roof, adds the support pattern of metal mesh, using anchor pole, anchor cable or combination of steel rope generally to guarantee top plate Stability, still, superficial top plate coal body self-bearing capacity is poor, and crack is extremely developed, and conventional anchor is not easy in top plate coal body Stable anchor point is formed, supporting effect is undesirable.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of association suitable for soft rock mining Modulation shape anchor pole.
The utility model achieves the above object through the following technical schemes: a kind of coordination suitable for soft rock mining becomes Shape anchor pole, including straight-bar spanner, screw rod, upper fixture nut, lower fixture nut, backing plate, anchor bar body, anchor pole casing, hangnail, anchor Head, stop grouting plug, screw rod straight hole and connecting shaft;The straight-bar spanner assigns into screw rod straight hole, and the screw tip is equipped with rectangular Block, the screw tip are equipped with screw rod straight hole, and the straight-bar spanner and screw rod setting angle are in 90 degree, fixed nut It is mounted on above lower fixture nut, fixed nut and lower fixture nut are threaded in screw rod, the lower fixed spiral shell Mother is mounted on above backing plate, and the backing plate is mounted on above stop grouting plug, fixed nut, lower fixture nut, backing plate with only Slurry plug is in one heart, and for the anchor bar body in anchor pole casing is rotationally connected with, the anchor pole sleeve bottom is equipped with hangnail, the anchor Head is located at anchor pole sleeve bottom, and the hangnail is in be rotationally connected with anchor pole casing by connecting shaft.
Preferably, for the ease of knocking in anchor bar body in rock mass, the anchor head is four pyramid shapes, is equipped in rectangular pyramid side Dump tank, and anchor head largest face is bigger than anchor sleeve tube bottom face.
Preferably, for the ease of being fastened by the double-deck nut, fixture nut is using the double-deck nut above the backing plate It is fastened, including upper fixture nut and lower fixture nut.
Preferably, for the ease of by will straight-bar spanner be inserted into screw rod straight hole in carry out anchor pole body length adjusting, it is described Reinforcement axle sleeve is installed on screw rod straight hole above screw rod.
Preferably, it is lived inside rock mass for the ease of anchor, the hangnail is mounted on anchor pole casing two sides, and hangnail passes through connection Axis and anchor pole casing are in rotation connection.
Preferably, in order to guarantee the longest extension elongation of anchor rod strength, the anchor bar body maximum extension elongation is at least to stay The one third of length is in anchor pole casing.
The beneficial effects of the utility model are: the compatible deformation Soil Anchor Design that should be suitable for soft rock mining is reasonable, anchor head For four pyramid shapes, it is equipped with dump tank in rectangular pyramid side, and anchor head largest face is bigger than anchor sleeve tube bottom face, anchor pole is knocking in rock mass In, anchor head touches rock mass at first, and rectangular pyramid anchor head is designed plus deslagging can reduce the resistance that anchor pole knocks in rock mass, on backing plate Square fixture nut is fastened using the double-deck nut, including upper fixture nut and lower fixture nut, when anchor pole anchor lives rock mass, Gu Determining nut may cause nut to fall off under the action of rock mass internal stress, and this case occurs in order to prevent, using the double-deck nut It is fastened, reinforcement axle sleeve is installed on the screw rod straight hole above screw rod, it is more laborsaving convenient for increasing the arm of force by straight-bar spanner Adjusting anchor bar body length, hangnail is mounted on anchor pole casing two sides, and hangnail is connected by connecting shaft and anchor pole casing in rotation Connect, using can oneself rotation hangnail can when anchor bar body is knocked in rock mass maximum reduction resistance, in anchor pole by rock mass When anchor is lived, rock mass can be lived with maximum resistance anchor under the reaction of hangnail again, anchor bar body maximum extension elongation be at least stay from The one third of body length is in anchor pole casing, for the ease of guaranteeing the active strength and maximum elongation length of anchor pole.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model structural anchor bar casing schematic diagram;
Fig. 3 is the utility model structure backing plate schematic diagram;
Fig. 4 is the utility model structure hangnail schematic diagram;
Fig. 5 is the utility model structure screw rod schematic diagram.
In figure: 1, straight-bar spanner, 2, screw rod, 3, upper fixture nut, 4, lower fixture nut, 5, backing plate, 6, anchor bar body, 7, anchor Rod bush, 8, hangnail, 9, anchor head, 10, stop grouting plug, 11, screw rod straight hole and 12, connecting shaft.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~5, a kind of compatible deformation anchor pole suitable for soft rock mining, including straight-bar spanner 1, screw rod 2, Upper fixture nut 3, lower fixture nut 4, backing plate 5, anchor bar body 6, anchor pole casing 7, hangnail 8, anchor head 9, stop grouting plug 10, screw rod straight hole 11 and connecting shaft 12;The straight-bar spanner 1 assigns into screw rod straight hole 11, and square block, the screw rod are equipped at the top of the screw rod 2 2 tops are equipped with screw rod straight hole 11, and the straight-bar spanner 1 is in 90 degree with 2 setting angle of screw rod, and fixed nut 3 is installed Above lower fixture nut 4, fixed nut 3 is threaded with lower fixture nut 4 in screw rod 2, the lower fixed spiral shell Mother 4 is mounted on 5 top of backing plate, and the backing plate 5 is mounted on 10 top of stop grouting plug, fixed nut 3, lower fixture nut 4, pad Plate 5 is in concentric with stop grouting plug 10, and the anchor bar body 6 is installed in anchor pole casing 7,7 bottom of anchor pole casing is rotationally connected with There is hangnail 8, the anchor head 9 is located at 7 bottom of anchor pole casing, and the hangnail 8 is in be rotationally connected with anchor pole casing by connecting shaft 12 7。
The anchor head 9 is four pyramid shapes, is equipped with dump tank in rectangular pyramid side, and 9 largest face of anchor head is than 7 bottom of anchor pole casing Face is big, and for anchor pole in knocking in rock mass, anchor head 9 touches rock mass at first, and rectangular pyramid anchor head 9 can reduce anchor pole plus deslagging design The resistance of rock mass is knocked in, the 5 top fixture nut of backing plate is fastened using the double-deck nut, including upper fixture nut 3 is under Fixture nut 4, when anchor pole anchor lives rock mass, fixture nut may cause nut to fall off under the action of rock mass internal stress, in order to This case is prevented, is fastened using the double-deck nut, reinforced shaft is installed on the screw rod straight hole 11 of 2 top of screw rod Set, convenient for increasing the length of the more laborsaving adjusting anchor bar body 6 of the arm of force by straight-bar spanner 1, the hangnail 8 is mounted on anchor sleeve 7 two sides of pipe, and hangnail 8 by connecting shaft 12 and anchor pole casing 7 in rotation connection, use can the hangnail 8 of oneself rotation can be with The maximum reduction resistance when anchor bar body 6 is knocked in rock mass can be again under the reaction of hangnail 8 when anchor pole lives rock mass anchor Rock mass is lived with maximum resistance anchor, the maximum extension elongation of the anchor bar body 6 is at least to stay the one third of length in anchor pole In casing 7, for the ease of guaranteeing the active strength and maximum elongation length of anchor pole.
Working principle: when being suitable for the compatible deformation anchor pole of soft rock mining using this, first by electric drill in rock mass On drill out a deeper circular hole, anchor head 9 is inserted into the circular hole, then anchor pole knocked in rock mass, when anchor pole is knocked in rock mass, The length of anchor bar body 6 is adjusted by straight-bar spanner 1, guarantees that 2 screw thread of screw rod can be effectively by the lock of backing plate 5 Shi Buzai on rock mass Lower fixture nut 4 is locked on backing plate 5 again by monkey wrench, then upper fixture nut 3 is locked by the length for adjusting anchor bar body 6 It is descended in fixture nut 4 again, the compatible deformation rockbolt installation finishes as a result,.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of compatible deformation anchor pole suitable for soft rock mining, it is characterised in that: including straight-bar spanner (1), screw rod (2), Upper fixture nut (3), backing plate (5), anchor bar body (6), anchor pole casing (7), hangnail (8), anchor head (9), is stopped at lower fixture nut (4) Slurry plug (10), screw rod straight hole (11) and connecting shaft (12);The straight-bar spanner (1) assigns into screw rod straight hole (11), the spiral shell It is equipped with square block at the top of bar (2), is equipped with screw rod straight hole (11) at the top of the screw rod (2), the straight-bar spanner (1) and screw rod (2) Setting angle is in 90 degree, and fixed nut (3) is mounted on above lower fixture nut (4), fixed nut (3) and Lower fixture nut (4) is threaded in screw rod (2), and the lower fixture nut (4) is mounted on above backing plate (5), the backing plate (5) it is mounted on above stop grouting plug (10), fixed nut (3), lower fixture nut (4), at backing plate (5) and stop grouting plug (10) In concentric, for the anchor bar body (6) in being rotationally connected with anchor pole casing (7), anchor pole casing (7) bottom is equipped with hangnail (8), The anchor head (9) is located at anchor pole casing (7) bottom, and the hangnail (8) is in be rotationally connected with anchor pole casing by connecting shaft (12) (7)。
2. a kind of compatible deformation anchor pole suitable for soft rock mining according to claim 1, it is characterised in that: the anchor Head (9) is four pyramid shapes, is equipped with dump tank in rectangular pyramid side, and anchor head (9) largest face is bigger than anchor pole casing (7) bottom surface.
3. a kind of compatible deformation anchor pole suitable for soft rock mining according to claim 1, it is characterised in that: the pad Fixture nut is fastened using the double-deck nut above plate (5), and fixture nut includes upper fixture nut (3) and lower fixture nut (4)。
4. a kind of compatible deformation anchor pole suitable for soft rock mining according to claim 1, it is characterised in that: the spiral shell Reinforcement axle sleeve is installed on screw rod straight hole (11) above bar (2).
5. a kind of compatible deformation anchor pole suitable for soft rock mining according to claim 1, it is characterised in that: it is described fall Thorn (8) is mounted on anchor pole casing (7) two sides, and hangnail (8) is in rotation connection by connecting shaft (12) and anchor pole casing (7).
6. a kind of compatible deformation anchor pole suitable for soft rock mining according to claim 1, it is characterised in that: the anchor The body of rod (6) maximum extension elongation is at least to stay the one third of length in anchor pole casing (7).
CN201920063590.0U 2019-01-15 2019-01-15 A kind of compatible deformation anchor pole suitable for soft rock mining Active CN209339987U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920063590.0U CN209339987U (en) 2019-01-15 2019-01-15 A kind of compatible deformation anchor pole suitable for soft rock mining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920063590.0U CN209339987U (en) 2019-01-15 2019-01-15 A kind of compatible deformation anchor pole suitable for soft rock mining

Publications (1)

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CN209339987U true CN209339987U (en) 2019-09-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111705816A (en) * 2020-06-12 2020-09-25 生态环境部南京环境科学研究所 Planting covered slope protection system and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111705816A (en) * 2020-06-12 2020-09-25 生态环境部南京环境科学研究所 Planting covered slope protection system and construction method

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