CN209800001U - Barb slip casting stock - Google Patents
Barb slip casting stock Download PDFInfo
- Publication number
- CN209800001U CN209800001U CN201920449931.8U CN201920449931U CN209800001U CN 209800001 U CN209800001 U CN 209800001U CN 201920449931 U CN201920449931 U CN 201920449931U CN 209800001 U CN209800001 U CN 209800001U
- Authority
- CN
- China
- Prior art keywords
- barb
- grouting
- anchor rod
- anchor
- slip casting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
A barb grouting anchor rod comprises an anchor rod body, an anchor head and a grouting pipe, wherein the anchor head is arranged at one end of the anchor rod body, a cavity for placing the grouting pipe is formed in the anchor rod body, the grouting pipe is arranged in the cavity in the anchor rod body, the barb grouting anchor rod also comprises a stopping part and a barb part, and the stopping part is arranged at one end, far away from the anchor head, of the anchor rod body and is used for applying pretightening force to the barb grouting anchor rod when the barb grouting anchor rod is used; the barb part is provided with a plurality of hollow barb steel pipes which are distributed at equal intervals along the anchor rod body, the barb part is provided with at least one hollow barb steel pipe, the anchor rod body is provided with an annular groove for placing the barb part, and when the barb part is arranged in the annular groove, the hollow barb steel pipe is communicated with the grouting pipe; through being equipped with barb portion on the stock, can make when carrying out tunnel support, after the stock inserted the stock drilling, barb part hooks in the roof, and barb portion can strengthen slip casting and broken rock mass contact and restraint broken rock mass motion, and reinforcing anchor effect compares the stability that traditional stock more can increase the roof.
Description
Technical Field
The utility model relates to a strut stock technical field, specifically be a barb slip casting stock.
Background
Along with the excessive exploitation of underground mineral products, high-stress broken roadways and roadway support become a difficult problem restricting safe construction, anchor rods are used as common equipment in support engineering, broken rock blocks are connected into a whole by the anchor rods, and broken rock bodies can be in a stable and safe state. At present, a grouting anchor rod is usually adopted for anchoring, and the self pressure of the surrounding rock is improved. But traditional slip casting stock when anchoring broken rock mass, stock and country rock can not closely combine, and the thick liquid can not be fully with broken rock mass consolidation for whole to make the stock reduce the anchor effect, this technological problem urgently needs to be solved.
SUMMERY OF THE UTILITY MODEL
technical problem to be solved
In order to solve the above problem, the utility model provides a barb slip casting stock.
(II) technical scheme
In order to realize the technical scheme, the utility model provides a following technical scheme: a barb grouting anchor rod comprises an anchor rod body, an anchor head and a grouting pipe, wherein the anchor head is arranged at one end of the anchor rod body, a cavity for placing the grouting pipe is formed in the anchor rod body, the grouting pipe is arranged in the cavity in the anchor rod body, the barb grouting anchor rod also comprises a stopping part and a barb part, and the stopping part is arranged at one end, far away from the anchor head, of the anchor rod body and is used for applying pretightening force to the barb grouting anchor rod when the barb grouting anchor rod is used; barb portion is equipped with a plurality ofly and distributes along the stock body equidistance, is equipped with at least one cavity barb steel pipe in barb portion, is equipped with the annular groove that is used for placing barb portion on the stock body, and when barb portion installed in the annular groove, cavity barb steel pipe communicates with each other with the slip casting pipe.
Preferably, the barb part further comprises a barb locking member, the barb locking member is provided with an angle limiting groove for limiting the size of an included angle between the hollow barb steel pipe and the grouting pipe and a connecting hole for installing the hollow barb steel pipe, the diameter of one end, close to the anchor head, of the angle limiting groove is smaller than that of one end, far away from the anchor head, of the angle limiting groove, and the barb locking member is arranged in an annular groove in the anchor rod body; the cavity barb steel pipe is located the angle and is limited the inslot, and cavity barb steel pipe one end stretches into the downthehole fixed mounting of connecting, and the other end outwards extends along angle limit groove direction to form the barb structure, the one end that cavity barb steel pipe and connecting hole are connected communicates with each other with the slip casting pipe so that the one end blowout of connecting hole is kept away from the cavity barb steel pipe to the thick liquid when slip casting.
Preferably, the stopping part comprises a grout stopping plug for preventing grout from flowing out, an arched baffle and a spherical nut for fixing, the grout stopping plug is arranged at one end, away from the anchor head, of the anchor rod body, the arched baffle is arranged at one end, away from the anchor head, of the grout stopping plug to fix the barbed grouting anchor rod, and the spherical nut is arranged on the arched baffle to fix the arched baffle on the grout stopping plug.
Preferably, the included angle between the hollow barbed steel pipe limited by the angle limiting groove and the grouting pipe is 0-30 degrees.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that: through being equipped with barb portion on the stock, can make when carrying out tunnel support, after the stock inserted the stock drilling, barb part hooks in the roof, and barb portion can strengthen slip casting and broken rock mass contact and restraint broken rock mass motion, and reinforcing anchor effect compares the stability that traditional stock more can increase the roof.
Drawings
the accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 shows a block diagram of an embodiment of the present invention;
FIG. 2 shows a block diagram of the barb lock of the present invention;
FIG. 3 shows a cut-away view of the barbed locking member of the present invention;
Wherein: 1 the stock body, 2 anchor heads, 3 slip casting pipes, 4 backstop portions, 5 barb portion, 40 stop the thick liquid stopper, 41 arch baffles, 42 spherical nut, 50 barb retaining members, 51 cavity barb steel pipes, 501 angle limit groove, 502 connecting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
referring to attached drawings 1, 2 and 3, the barb grouting anchor rod comprises an anchor rod body 1, an anchor head 2 and a grouting pipe 3, wherein the anchor head 2 is arranged at one end of the anchor rod body 1, a cavity for placing the grouting pipe 3 is arranged in the anchor rod body 1, the grouting pipe 3 is arranged in the cavity inside the anchor rod body 1, the barb grouting anchor rod further comprises a stopping part 4 and a barb part, and the stopping part 4 is fixedly arranged at one end of the anchor rod body 1, which is far away from the anchor head 2, and is used for applying pretightening force to the barb grouting anchor rod when the barb grouting anchor rod is used; barb portion 5 is equipped with a plurality ofly and distributes along 1 equidistance of the stock body, is equipped with at least one cavity barb steel pipe 51 in barb portion 5, is equipped with the annular groove that is used for placing barb portion 5 on the stock body 1, and when barb portion 5 was installed in the annular groove, cavity barb steel pipe 51 communicated with each other with slip casting pipe 3.
When this barb slip casting stock uses, bore the stock drilling of getting certain diameter, utilize the stock machine with this barb slip casting stock propelling movement in the stock drilling, use backstop portion 4 to apply the pretightning force to this barb slip casting stock, because of being equipped with barb portion 5, the initial anchor force of this barb slip casting stock has been increased, reinforcing anchor effect has retrained broken rock mass motion, then carry out the slip casting through slip casting pipe 3, traditional stock is compared to this barb slip casting stock, it is bigger with broken country rock area of contact on every side, communicate with each other with slip casting pipe 3 because of central barb steel pipe 51, slip casting speed is faster.
referring to fig. 1, fig. 2 and fig. 3, the barbed portion 5 further comprises a barbed locking member 50, the barbed locking member 50 is provided with an angle limiting groove 501 for limiting the size of an included angle between the hollow barbed steel pipe 51 and the grouting pipe 3 and a connecting hole 502 for installing the hollow barbed steel pipe 51, the diameter of one end, close to the anchor head 2, of the angle limiting groove 501 is smaller than the diameter of one end, far away from the anchor head 2, of the angle limiting groove, and the barbed locking member 50 is arranged in an annular groove in the anchor rod body; hollow barb steel pipe 51 is located in angle limit groove 501, and hollow barb steel pipe 51 one end stretches into connecting hole 502 internal fixation and installs, and the other end outwards extends along angle limit groove 501 direction to form the barb structure, the one end that hollow barb steel pipe 51 and connecting hole 502 are connected communicates with each other with slip casting pipe 3 so that the one end blowout of connecting hole 502 is kept away from hollow barb steel pipe 51 to the thick liquid when slip casting.
Concrete, when going into the stock drilling with this barb slip casting stock propelling movement, cavity barb steel pipe 51 atress and to the 3 central axis directions of slip casting pipe certain angles that retract, after this barb slip casting stock reachd assigned position, center barb steel pipe 51 produces certain resilience to make this barb slip casting stock more laminate the country rock, the back begins to carry out the slip casting, communicate with each other with slip casting pipe 3 because of cavity barb steel pipe 51, the one end blowout of connecting hole 502 can be kept away from cavity barb steel pipe 51 to the thick liquid during slip casting, slip casting speed is faster.
Referring to fig. 1, the stopping portion 4 comprises a grout stop plug 40 for preventing grout from flowing out, an arched baffle 41 and a spherical nut 42 for fixing, the grout stop plug 40 is arranged at one end of the anchor rod body 1 far away from the anchor head 2, the arched baffle 41 is arranged at one end of the grout stop plug 40 far away from the anchor head 2 to fix the barbed grouting anchor rod, and the spherical nut 42 and one end of the grout stop plug 40 far away from the anchor head 2 are screwed to fix the position of the arched baffle 41.
Specifically, with this barb slip casting stock propelling movement back in the stock drilling, screw up the fixed arch baffle 41 of spherical nut 42 to exert the pretightning force to this barb slip casting stock, be equipped with and only starch stopper 40 in order to prevent that the thick liquid from the stock drilling outflow when the slip casting.
As a further scheme of the scheme, the angle limiting groove 501 of the barb grouting anchor rod limits the included angle between the hollow barb steel pipe 51 and the grouting pipe 3 to be 0-30 degrees, so that the barb structure is prevented from being enlarged due to overlarge angle, and the hollow barb steel pipe 51 is broken in the using process.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a barb slip casting stock, includes the stock body (1), anchor head (2) and slip casting pipe (3), the one end of the stock body (1) is located in anchor head (2), be equipped with the cavity that is used for placing slip casting pipe (3) in the stock body (1), the inside cavity of the stock body (1) is located in slip casting pipe (3), its characterized in that, this barb slip casting stock still includes:
The stopping part (4) is arranged at one end of the anchor rod body (1) far away from the anchor head (2) and is used for applying pretightening force to the barb grouting anchor rod when the barb grouting anchor rod is used;
Barb portion (5), barb portion (5) are equipped with a plurality ofly and distribute along stock body (1) equidistance, be equipped with at least one cavity barb steel pipe (51) on barb portion (5), be equipped with the annular groove who is used for placing barb portion (5) on stock body (1), when barb portion (5) are installed in the annular groove, cavity barb steel pipe (51) communicate with each other with slip casting pipe (3).
2. A barbed grouting bolt according to claim 1, wherein said barbed portion (5) further comprises a barbed locking member (50), said barbed locking member (50) being provided with an angle defining groove (501) for defining the size of the included angle between the hollow barbed steel tube (51) and the grouting tube (3) and a connecting hole (502) for mounting the hollow barbed steel tube (51), said angle defining groove (501) having a smaller diameter at the end close to the anchor head (2) than at the end remote from the anchor head (2), said barbed locking member (50) being provided in an annular groove on the bolt body;
In angle limit groove (501) was located in cavity barb steel pipe (51), cavity barb steel pipe (51) one end stretched into connecting hole (502) internal fixation and installs, and the other end outwards extends along angle limit groove (501) direction to form the barb structure, the one end that cavity barb steel pipe (51) and connecting hole (502) are connected communicates with each other so that the one end blowout of connecting hole (502) is kept away from cavity barb steel pipe (51) to the thick liquid when slip casting with slip casting pipe (3).
3. A barbed grouting anchor according to claim 2, wherein said stop portion (4) comprises a grout stop plug (40) for preventing grout from flowing out, an arched shield (41) and a ball nut (42) for fixing, said grout stop plug (40) being provided at an end of said anchor body (1) remote from said anchor head (2), said arched shield (41) being provided at an end of said grout stop plug (40) remote from said anchor head (2) for fixing said barbed grouting anchor, said ball nut (42) being provided at said arched shield (41) for fixing said arched shield (41) to said grout stop plug (40).
4. A barbed grouting bolt according to claim 2, characterized in that said angle defining groove (501) defines an angle of 0 ° to 30 ° between the hollow barbed steel tube (51) and the grouting tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449931.8U CN209800001U (en) | 2019-04-04 | 2019-04-04 | Barb slip casting stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920449931.8U CN209800001U (en) | 2019-04-04 | 2019-04-04 | Barb slip casting stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800001U true CN209800001U (en) | 2019-12-17 |
Family
ID=68827942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920449931.8U Expired - Fee Related CN209800001U (en) | 2019-04-04 | 2019-04-04 | Barb slip casting stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549801A (en) * | 2020-05-15 | 2020-08-18 | 山东东泰工程咨询有限公司 | Construction method for preventing collapse of side slope hole after drilling and injecting slurry into sleeve |
| CN115652952A (en) * | 2022-12-23 | 2023-01-31 | 中国建筑第六工程局有限公司 | Uplift pile and supporting pile combined inclined-straight pile inner-support-free foundation pit supporting method |
-
2019
- 2019-04-04 CN CN201920449931.8U patent/CN209800001U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549801A (en) * | 2020-05-15 | 2020-08-18 | 山东东泰工程咨询有限公司 | Construction method for preventing collapse of side slope hole after drilling and injecting slurry into sleeve |
| CN111549801B (en) * | 2020-05-15 | 2022-02-08 | 山东东泰工程咨询有限公司 | Construction method for preventing collapse of side slope hole after drilling and injecting slurry into sleeve |
| CN115652952A (en) * | 2022-12-23 | 2023-01-31 | 中国建筑第六工程局有限公司 | Uplift pile and supporting pile combined inclined-straight pile inner-support-free foundation pit supporting method |
| CN115652952B (en) * | 2022-12-23 | 2023-03-28 | 中国建筑第六工程局有限公司 | Uplift pile and support pile combined inclined straight pile internal-support-free foundation pit supporting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209800001U (en) | Barb slip casting stock | |
| CN101622410B (en) | Anchor system of a concrete wall form | |
| CN109026099B (en) | Soft rock roadway full-length anchoring supporting structure and construction method thereof | |
| CN205653785U (en) | Umbellate form skeleton expands body anchor rope | |
| CN110410123B (en) | Novel high-strength anchor rod supporting equipment for coal mine | |
| CN110486069B (en) | Large-mining-height coal wall caving control structure based on flexible reinforcement and construction equipment | |
| CN205689228U (en) | A kind of pressure-release anchor cable | |
| CN205778962U (en) | A kind of constant-resistance pressure-relieving achor bar | |
| CN108386217B (en) | A kind of the automatic classification expansion head Pulling-Resistant Anchor Rod and its application method of reinforcing soft rock mass | |
| CN104533486A (en) | Bolting-grouting reinforcement method for remained roadway along goaf by use of self-drilling hollow grouting anchor cable | |
| CN110566257B (en) | Flexible anchor rod | |
| CN106759321A (en) | A kind of anchor pole and its construction technology for improving retaining wall bearing capacity | |
| CN205576951U (en) | Steel construction anchor pier is used to prestressed anchorage cable | |
| WO2006074145A1 (en) | Grout injecting/structure anchoring system | |
| EP3000963A1 (en) | Mine support assembly for anchoring in a bore hole in the form of an improved rock bolt | |
| CN103603682B (en) | A kind of top plate supporting method being applicable to slice drift cemented filling mining | |
| CN210262682U (en) | Elastic self-locking type steel bar connecting structure, integral grouting sleeve and assembled pier stud | |
| CN205297608U (en) | Novel recoverable stock of hydraulic pressure inflation formula | |
| CN104453961B (en) | A kind of overlapping seam type friction-type constant-resistance anchor pole | |
| CN106285742B (en) | A kind of expansion grouted anchor bar and anchoring process | |
| CN115354671A (en) | A anchor structure for in situ reinforcement dangerous rock | |
| CN102704967B (en) | One prevents from intersecting large-section underground top board and to collapse method for leakage | |
| CN209891235U (en) | Integral pre-buried structure of steel structure column lower margin bolt | |
| CN110905570A (en) | A stock anchor beam supporting construction for coal mine tunnel | |
| CN102852143A (en) | Anchoring device for prestressed reinforcement materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20210404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |