CN216157692U - Novel slip casting stock - Google Patents
Novel slip casting stock Download PDFInfo
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- CN216157692U CN216157692U CN202121547018.5U CN202121547018U CN216157692U CN 216157692 U CN216157692 U CN 216157692U CN 202121547018 U CN202121547018 U CN 202121547018U CN 216157692 U CN216157692 U CN 216157692U
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- rod body
- anchor rod
- anchor
- ribs
- grouting
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Abstract
The utility model provides a novel grouting anchor rod, which comprises: the rod body consists of a plurality of sections of anchor rod bodies; the anchor rod body is a hollow rod body, hollow studs are coaxially arranged on the end faces of two ends of the anchor rod body, and a plurality of grouting holes are axially formed along the anchor rod body; the inner wall of the connecting sleeve is provided with internal threads matched with the studs, and the rod body is sequentially connected in series by connecting the studs at the two ends of the anchor rod body with the connecting sleeve threads; the peripheral surface of the anchor rod body is uniformly provided with a plurality of ribs in a surrounding manner, the ribs extend from one end to the other end of the anchor rod body, and the cross section of each rib is triangular; the grouting holes are arranged on the anchor rod body between two adjacent ribs and communicated with the hollow inner cavity of the anchor rod body. The utility model has the advantages that the peripheral surface of the anchor rod body is annularly provided with the plurality of ribs with the triangular sections, so that the anchor rod has stronger compressive strength and deformation resistance and higher bearing capacity.
Description
Technical Field
The utility model relates to the technical field of anchor rods, in particular to a novel grouting anchor rod.
Background
In tunnel construction, anchor bolt support is widely adopted as advance support in tunnel construction due to the advantages of simple process, less material consumption and the like, the advance support of the tunnel is firstly used for supporting an excavated rock stratum surface in the tunnel construction as the name suggests, and is also commonly called as 'primary support', and the advance support belongs to excavation support of a mountain or an underground rock stratum surface in the primary support.
The anchor rod for underground tunnel construction in China generally comprises an anchor rod, an anchor head at the front end of the anchor rod, a base plate at the tail part of the anchor rod and a fastening nut. The existing hollow grouting anchor rod has the advantages of simple structure, low binding force between the anchoring body and the soil layer of the anchor rod and low uplift resistance, so that the expected effect is difficult to achieve. Therefore, in practical engineering, an accident caused by failure of reinforcement due to insufficient anchoring force of the anchor rod occurs.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a new grouting anchor rod to solve the problems in the background art.
In order to achieve the above object, the present invention provides a novel grouting anchor rod, comprising:
the rod body consists of a plurality of sections of anchor rod bodies;
the anchor rod body is a hollow rod body, hollow studs are coaxially arranged on the end faces of two ends of the anchor rod body, and a plurality of grouting holes are axially formed along the anchor rod body;
the inner wall of the connecting sleeve is provided with internal threads matched with the studs, and the rod body is sequentially connected in series by connecting the studs at the two ends of the anchor rod body with the connecting sleeve threads;
the peripheral surface of the anchor rod body is uniformly provided with a plurality of ribs in a surrounding manner, the ribs extend from one end to the other end of the anchor rod body, and the cross section of each rib is triangular;
the grouting holes are arranged on the anchor rod body between two adjacent ribs and communicated with the hollow inner cavity of the anchor rod body.
As a preferable arrangement of the utility model, the grouting holes are arranged on the anchor rod body between any two adjacent ribs, and a plurality of grouting holes are arranged along the axial direction of the anchor rod body.
As a preferable arrangement of the utility model, the anchor rod body, the ribs and the studs are all made of carbon structural steel.
As the preferable arrangement of the utility model, the number of the ribs is 20, and the ribs are uniformly arranged around the outer peripheral surface of the anchor rod body.
As a preferred arrangement of the utility model, the ribs are of equal length to the anchor rod body.
As the preferable arrangement of the utility model, the anchor rod further comprises an anchor head, wherein the anchor head is an expanding shell type anchor head, and the anchor head is in threaded connection with one end of the rod body.
As the preferable arrangement of the utility model, the connecting rod also comprises a connecting pipe, the outer wall of which is provided with full threads, and the connecting pipe is in threaded connection with the other end of the rod body through threads arranged on the inner walls of the two ends; the connecting pipe is provided with a grout stop plug, the grout stop plug is connected with a backing plate, the other end of the backing plate is fixedly connected with a nut, the nut is in threaded connection with the connecting pipe, and the other end of the connecting pipe is provided with the grout stop plug.
The utility model has the beneficial effects that:
the utility model has the advantages that the peripheral surface of the anchor rod body is annularly provided with the plurality of ribs with the triangular sections, so that the anchor rod has stronger compressive strength and deformation resistance and higher bearing capacity;
according to the utility model, the plurality of ribs with triangular sections are annularly arranged on the outer peripheral surface of the anchor rod body, so that the bonding area between the anchor rod body and a grouting material is greatly enlarged, the anchoring force is improved, the reinforcing effect is improved, and the occurrence of accidents is reduced;
the anchor rod bodies can be connected through the connecting sleeves, the length is flexibly adjusted, and the anchor rod is suitable for various anchoring requirements.
Drawings
FIG. 1 is a schematic view of the present invention providing a bolt body construction;
fig. 2 is a structural schematic diagram of the novel grouting anchor rod provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
Example 1
Referring to fig. 1 to 2, in order to achieve the above object, according to an embodiment of the present invention, there is provided a novel grouting bolt including:
the rod body consists of a plurality of sections of anchor rod bodies 1;
the anchor rod comprises an anchor rod body 1, wherein the anchor rod body 1 is a hollow rod body, hollow studs 2 are coaxially arranged on the end surfaces of two ends of the anchor rod body 1, and a plurality of grouting holes 3 are axially arranged along the anchor rod body 1;
the inner wall of the connecting sleeve 4 is provided with an internal thread matched with the stud 3, and the rod body is sequentially connected in series through threaded connection of studs 2 at two ends of the anchor rod body 1 and the connecting sleeve 4;
a plurality of ribs 5 are uniformly and annularly arranged on the peripheral surface of the anchor rod body 1, the ribs 5 extend from one end to the other end of the anchor rod body 1, and the cross section of each rib 5 is triangular;
the grouting holes 3 are arranged on the anchor rod body 1 between two adjacent ribs 5 and communicated with the hollow inner cavity of the anchor rod body 1.
As a preferable arrangement of the embodiment of the present invention, further, the grouting holes 3 are formed in the anchor rod body 1 between any two adjacent ribs 5, and a plurality of grouting holes 3 are formed along the axial direction of the anchor rod body 1.
As a preferable arrangement of the embodiment of the present invention, further, the anchor rod body 1, the rib 5 and the stud 2 are all made of carbon structural steel.
As a preferable arrangement of the embodiment of the present invention, further, the number of the ribs 5 is 20, and the ribs are uniformly arranged around the outer circumferential surface of the anchor rod body 1.
As a preferred arrangement of the embodiment of the present invention, further, the rib 5 is of equal length to the anchor rod body 1.
As a preferable arrangement of the embodiment of the present invention, the present invention further includes an anchor head 6, the anchor head 6 is an expanding anchor head, and the anchor head 6 is in threaded connection with one end of the rod body.
As a preferable arrangement of the embodiment of the utility model, the connecting rod further comprises a connecting pipe 7 with an outer wall provided with full threads, wherein the connecting pipe 7 is in threaded connection with the other end of the rod body through threads arranged on inner walls at two ends; install on the connecting pipe 7 and end thick liquid stopper 8, it is connected with backing plate 9 to end thick liquid stopper 8, backing plate 9 other end rigid coupling has nut 10, nut 10 with connecting pipe 7 threaded connection, stifled thick liquid stopper 11 is installed to another tip of connecting pipe 7.
According to the utility model, the peripheral surface of the anchor rod body 1 is annularly provided with the plurality of ribs 5 with triangular sections, so that the anchor rod has stronger compressive strength and deformation resistance and higher bearing capacity; according to the utility model, the plurality of ribs 5 with triangular sections are annularly arranged on the outer peripheral surface of the anchor rod body 1, so that the bonding area between the anchor rod body 1 and a grouting material is greatly enlarged, the anchoring force is improved, the reinforcing effect is improved, and the occurrence of accidents is reduced; the anchor rod bodies 1 can be connected through the connecting sleeve 4, the length is flexibly adjusted, and the anchor rod is suitable for various anchoring requirements.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (7)
1. A novel slip casting stock, its characterized in that includes:
the rod body consists of a plurality of sections of anchor rod bodies;
the anchor rod body is a hollow rod body, hollow studs are coaxially arranged on the end faces of two ends of the anchor rod body, and a plurality of grouting holes are axially formed along the anchor rod body;
the inner wall of the connecting sleeve is provided with internal threads matched with the studs, and the rod body is sequentially connected in series by connecting the studs at the two ends of the anchor rod body with the connecting sleeve threads;
the peripheral surface of the anchor rod body is uniformly provided with a plurality of ribs in a surrounding manner, the ribs extend from one end to the other end of the anchor rod body, and the cross section of each rib is triangular;
the grouting holes are arranged on the anchor rod body between two adjacent ribs and communicated with the hollow inner cavity of the anchor rod body.
2. A novel grouting anchor as claimed in claim 1, wherein said grouting holes are provided in the anchor body between any two adjacent ribs, and said grouting holes are provided in plural numbers in the axial direction of said anchor body.
3. The new grouting anchor of claim 1, wherein the anchor body, ribs and studs are made of carbon structural steel.
4. The new grouting anchor rod of claim 1, wherein the number of the ribs is 20, and the ribs are uniformly arranged around the outer circumference of the anchor rod body.
5. A novel grouting anchor as claimed in claim 3, wherein said ribs are of equal length to said anchor body.
6. The new grouting anchor rod of claim 1, further comprising an anchor head, wherein the anchor head is an expanding shell type anchor head, and the anchor head is in threaded connection with one end of the rod body.
7. The novel grouting anchor rod as claimed in claim 5, further comprising a connecting pipe with full threads on the outer wall, wherein the connecting pipe is in threaded connection with the other end of the rod body through threads arranged on the inner walls at the two ends; the connecting pipe is provided with a grout stop plug, the grout stop plug is connected with a backing plate, the other end of the backing plate is fixedly connected with a nut, the nut is in threaded connection with the connecting pipe, and the other end of the connecting pipe is provided with the grout stop plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121547018.5U CN216157692U (en) | 2021-07-08 | 2021-07-08 | Novel slip casting stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121547018.5U CN216157692U (en) | 2021-07-08 | 2021-07-08 | Novel slip casting stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216157692U true CN216157692U (en) | 2022-04-01 |
Family
ID=80836172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121547018.5U Active CN216157692U (en) | 2021-07-08 | 2021-07-08 | Novel slip casting stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216157692U (en) |
-
2021
- 2021-07-08 CN CN202121547018.5U patent/CN216157692U/en active Active
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