CN211950543U - Tunnel anchor rod for highway tunnel design - Google Patents
Tunnel anchor rod for highway tunnel design Download PDFInfo
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- CN211950543U CN211950543U CN202020688733.XU CN202020688733U CN211950543U CN 211950543 U CN211950543 U CN 211950543U CN 202020688733 U CN202020688733 U CN 202020688733U CN 211950543 U CN211950543 U CN 211950543U
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Abstract
The utility model discloses a tunnel anchor rod that highway tunnel design was used, including the cavity stock body, cavity stock body one end has cup jointed only thick liquid stopper, and the cavity stock body has cup jointed the steel mould backing plate near only one side circumference outer wall that thick liquid stopper, and all opened all around of steel mould backing plate has the triangle to accept the hole, and the cavity stock body is close to the triangle and accepts the one end welding in hole and has the reinforcing plate, and the one end of the cavity stock body is opened there is the mud hole, and one side outer wall that the cavity stock body is close to the mud hole is provided with latch mechanism, cavity stock body one end has an anchor head section of thick bamboo through the threaded fixation, and the outer wall welding of one side of anchor head section of thick bamboo has the cone of leading, and the circumference outer wall welding of anchor head section of thick bamboo has the barb that the equidistance distributes, latch mechanism includes the first joint hole of a plurality of, a plurality of. The utility model discloses effectively disperse and the joint is carried out to the country rock stress that steel mould backing plate was accepted has effectively been alleviated.
Description
Technical Field
The utility model relates to a tunnel stock technical field especially relates to a tunnel stock that highway tunnel design was used.
Background
In the prior art, a road tunnel is a passage dedicated to the transportation of automobiles. With the development of social economy and production, a great number of expressways appear, higher standards are provided for road construction technology, and the requirements for straight lines, gentle slopes, spacious road surfaces and the like are met. The anchor rod is the most basic component of roadway support in the contemporary coal mine, and the anchor rod reinforces the surrounding rocks of the roadway together to support the surrounding rocks per se. In the process of road tunnel construction, a tunnel anchor rod is needed to play a role in supporting the top of the tunnel.
Through search, chinese patent application No. CN201520577045.5 discloses a hollow grouting anchor rod, which includes: the hollow anchor rod body is provided with external threads with equal pitches on the outer surface; the end part of one end of the hollow anchor rod body is provided with an anchor head, and the other end of the hollow anchor rod body is provided with a grout stop plug, a backing plate and a nut. The hollow grouting anchor rod in the patent has the following defects: the anchor rod is relatively poor in the effect of bearing the stress of surrounding rocks by the aid of the backing plate, and the fixing effect of the nut screwing mode is poor, so that the tunnel anchor rod for designing the highway tunnel is needed urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art and providing a tunnel anchor rod for designing a highway tunnel.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel stock that highway tunnel design was used, includes the cavity stock body, cavity stock body one end has cup jointed only thick liquid stopper, and the cavity stock body has cup jointed the steel mould backing plate near only one side circumference outer wall that thick liquid stopper, and all open around the steel mould backing plate has the triangle to accept the hole, and the one end welding that the cavity stock body is close to the triangle and accepts the hole has the reinforcing plate, and the one end of the cavity stock body is opened there is the mud hole, and the one side outer wall that the cavity stock body is close to the mud hole is provided with latch mechanism.
As a further aspect of the present invention: the hollow anchor rod body one end is fixed with an anchor head barrel through threads, and the outer wall of one side of the anchor head barrel is welded with a guide cone body, and barbs which are distributed equidistantly are welded on the outer wall of the circumference of the anchor head barrel.
As a further aspect of the present invention: the clamping mechanism comprises a plurality of first clamping holes, a plurality of second clamping holes, a first fixing column, a second fixing column and four fixing blocks, the plurality of first clamping holes are formed in the outer wall of the circumference of the hollow anchor rod body respectively, and the plurality of second clamping holes are formed in the circumference of one side, close to the first clamping holes, of the hollow anchor rod body respectively.
As a further aspect of the present invention: the first fixing columns are inserted into the two first clamping holes close to one side of the steel type base plate, and the second fixing columns are inserted into the two second clamping holes close to one side of the steel type base plate.
As a further aspect of the present invention: a groove is formed in the outer wall of one side of the second fixing column, and the arc-shaped face of the groove is attached to one side of the first fixing column.
As a further aspect of the present invention: every two fixed blocks are welded at two ends of the first fixed column and the second fixed column respectively.
Compared with the prior art, the utility model provides a tunnel stock that highway tunnel design was used possesses following beneficial effect:
1. this tunnel anchor pole that highway tunnel design was used accepts hole and reinforcing plate through being provided with steel mould backing plate, triangle-shaped, effectively disperses and joint to the country rock stress to effectively alleviate the country rock stress that the steel mould backing plate was accepted, and then promoted the effect of bearing of steel mould backing plate to country rock stress, the quality of accepting to country rock stress has been reinforceed to the reinforcing plate of its one side simultaneously.
2. This tunnel stock that highway tunnel design was used, through being provided with first joint hole, second joint hole, first fixed column, second fixed column and fixed block, can effectively offset 8 bearing force of steel mould backing plate to overall structure's support stability has been improved, the nut that has also overcome the tradition simultaneously and has adopted mode of screwing is to the poor problem of stock fixed effect, first joint hole and second joint hole have also played the effect of leading the thick liquid simultaneously, have promoted sewing up in country rock gap.
3. This tunnel stock that highway tunnel design was used through being provided with guide cone, anchor head section of thick bamboo and barb, has played effectual grab rock effect, has improved overall structure's fixed effect.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation, and it is bigger to bear country rock stress.
Drawings
Fig. 1 is a schematic front view of a tunnel anchor rod for designing a road tunnel according to the present invention;
fig. 2 is a schematic side view of a tunnel anchor rod for designing a road tunnel according to the present invention;
fig. 3 is the utility model provides a local structural schematic of tunnel stock that highway tunnel design used.
In the figure: the anchor rod comprises a 1-cone guide body, a 2-anchor head barrel, a 3-barb, a 4-hollow anchor rod body, a 5-first clamping hole, a 6-second clamping hole, a 7-grout stop plug, an 8-steel base plate, a 9-triangular bearing hole, a 10-reinforcing plate, an 11-grout guide hole, a 12-first fixing column, a 13-second fixing column and a 14-fixing block.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
A tunnel anchor rod for designing a highway tunnel is shown in figures 1, 2 and 3 and comprises a hollow anchor rod body 4, wherein one end of the hollow anchor rod body 4 is sleeved with a grout stop plug 7, the circumferential outer wall of one side, close to the grout stop plug 7, of the hollow anchor rod body 4 is sleeved with a steel type backing plate 8, the steel type backing plate 8 is of a diamond structure, triangular bearing holes 9 are formed in the periphery of the steel type backing plate 8, a reinforcing plate 10 is welded at one end, close to the triangular bearing holes 9, of the hollow anchor rod body 4, one end of the hollow anchor rod body 4 is provided with a grout guide hole 11, and a clamping mechanism is arranged on the outer wall of one side, close to the grout guide hole 11, of the hollow anchor rod body 4; during the use, put into the drilling of preparing in advance with whole device to accomplish the suture work to the country rock gap to the slip casting in the grout guide 11, and when steel type backing plate 8 was bearing the stress of country rock, its triangle-shaped all around was accepted the hole 9 and is effectively dispersed and the joint to stress, thereby effectively alleviated the country rock stress that steel type backing plate 8 accepted, and then promoted the effect of bearing of steel type backing plate 8 to country rock stress, the quality of accepting to country rock stress has been strengthened to reinforcing plate 10 of its one side simultaneously.
In order to promote the fixing effect of one end of the hollow anchor rod body 4, as shown in fig. 1, one end of the hollow anchor rod body 4 is fixed with an anchor head cylinder 2 through threads, the outer wall of one side of the anchor head cylinder 2 is welded with a cone guide body 1, and barbs 3 distributed at equal intervals are welded on the circumferential outer wall of the anchor head cylinder 2; when the hollow anchor rod body 4 is inserted into the drill hole, the guide cone body 1 at one end of the hollow anchor rod body and the barb 3 on the anchor head barrel 2 play a role in effectively grabbing rocks, and the fixing effect of the whole structure is improved.
In order to overcome the conventional nut tightening method for fixing the anchor rod, as shown in fig. 2 and 3, the clamping mechanism comprises a plurality of first clamping holes 5, a plurality of second clamping holes 6, a first fixing column 12, a second fixing column 13 and four fixing blocks 14, and a plurality of first clamping holes 5 are respectively arranged on the circumferential outer wall of the hollow anchor rod body 4, a plurality of second clamping holes 6 are respectively arranged on the circumference of one side of the hollow anchor rod body 4 close to the first clamping holes 5, first fixing columns 12 are inserted in the first clamping holes 5 close to one side of the steel-type backing plate 8, second fixing columns 13 are inserted in the second clamping holes 6 close to one side of the steel-type backing plate 8, a groove is formed in the outer wall of one side of the second fixing column 13, the arc-shaped surface of the groove is attached to one side of the first fixing column 12, and every two fixing blocks 14 are welded to two ends of the first fixing column 12 and the second fixing column 13 respectively; when first fixed column 12 and second fixed column 13 are laminated each other and are connected respectively in per two first joint holes 5 and second joint hole 6, can effectively offset steel mould backing plate 8 bearing capacity, thereby overall structure's the stability of strutting has been improved, the nut mode of screwing that has also overcome the tradition simultaneously and to the poor problem of stock fixed effect, and first joint hole 5 and second joint hole 6 have also played the effect of leading the thick liquid simultaneously, have promoted sewing up in country rock gap.
The working principle is as follows: when in use, the integral device is placed into a prepared drill hole, grouting is carried out in the grout guide hole 11 to complete the sewing work of a surrounding rock gap, when the steel-type base plate 8 bears the stress of the surrounding rock, the triangular bearing holes 9 at the periphery effectively disperse and clamp the stress, thereby effectively relieving the stress of the surrounding rock borne by the steel-type base plate 8, further promoting the bearing effect of the steel-type base plate 8 on the stress of the surrounding rock, simultaneously, the reinforcing plate 10 at one side strengthens the bearing quality of the stress of the surrounding rock, when the hollow anchor rod body 4 is inserted into the drill hole, the guide cone body 1 at one end and the barbs 3 on the anchor head barrel 2 play an effective rock grabbing role, the fixing effect of the integral structure is improved, and when the first fixing columns 12 and the second fixing columns 13 are mutually attached and respectively clamped in every two first clamping holes 5 and second clamping holes 6, the bearing force of the steel-type base plate 8 can be effectively counteracted, thereby improving the support stability of the whole structure.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnel stock that highway tunnel design was used, includes the cavity stock body (4), its characterized in that, cavity stock body (4) one end has cup jointed only thick liquid stopper (7), and one side circumference outer wall that cavity stock body (4) are close to only thick liquid stopper (7) has cup jointed steel type backing plate (8), triangular bearing hole (9) have all been opened around steel type backing plate (8), the one end welding that cavity stock body (4) are close to triangular bearing hole (9) has reinforcing plate (10), the one end of cavity stock body (4) is opened and is led thick liquid hole (11), and one side outer wall that cavity stock body (4) are close to leading thick liquid hole (11) is provided with joint mechanism.
2. The tunnel anchor rod for highway tunnel design according to claim 1, wherein said hollow anchor rod body (4) is fixed with an anchor head cylinder (2) at one end by screw thread, and the outer wall of one side of the anchor head cylinder (2) is welded with a guide cone body (1), and barbs (3) are welded on the circumferential outer wall of the anchor head cylinder (2) and distributed equidistantly.
3. The tunnel anchor rod for designing the highway tunnel according to the claim 1, wherein the clamping mechanism comprises a plurality of first clamping holes (5), a plurality of second clamping holes (6), a first fixing column (12), a second fixing column (13) and four fixing blocks (14), the plurality of first clamping holes (5) are respectively formed in the outer wall of the circumference of the hollow anchor rod body (4), and the plurality of second clamping holes (6) are respectively formed in the circumference of one side of the hollow anchor rod body (4) close to the first clamping holes (5).
4. The tunnel anchor rod for highway tunnel design according to claim 3, wherein said first fixing post (12) is inserted into two first engaging holes (5) near one side of the steel-type tie plate (8), and said second fixing post (13) is inserted into two second engaging holes (6) near one side of the steel-type tie plate (8).
5. The tunnel anchor rod for highway tunnel design according to claim 4, wherein the outer wall of one side of the second fixing column (13) is provided with a groove, and the arc-shaped surface of the groove is attached to one side of the first fixing column (12).
6. A tunnel anchor for road tunnel design according to claim 3, wherein each two fixing blocks (14) are welded to both ends of the first fixing column (12) and the second fixing column (13), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688733.XU CN211950543U (en) | 2020-04-29 | 2020-04-29 | Tunnel anchor rod for highway tunnel design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688733.XU CN211950543U (en) | 2020-04-29 | 2020-04-29 | Tunnel anchor rod for highway tunnel design |
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| Publication Number | Publication Date |
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| CN211950543U true CN211950543U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020688733.XU Active CN211950543U (en) | 2020-04-29 | 2020-04-29 | Tunnel anchor rod for highway tunnel design |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482684A (en) * | 2021-08-02 | 2021-10-08 | 贵州大学 | Tunnel anchor rod capable of monitoring stress and strain of tunnel |
| CN114017085A (en) * | 2021-10-14 | 2022-02-08 | 中煤科工开采研究院有限公司 | Roadway supporting device and method for thick-layer loose coal rock mass difficult to anchor |
-
2020
- 2020-04-29 CN CN202020688733.XU patent/CN211950543U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482684A (en) * | 2021-08-02 | 2021-10-08 | 贵州大学 | Tunnel anchor rod capable of monitoring stress and strain of tunnel |
| CN113482684B (en) * | 2021-08-02 | 2023-04-25 | 贵州大学 | Tunnel anchor rod capable of monitoring stress and strain of tunnel |
| CN114017085A (en) * | 2021-10-14 | 2022-02-08 | 中煤科工开采研究院有限公司 | Roadway supporting device and method for thick-layer loose coal rock mass difficult to anchor |
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