CN212104063U - Grouting type double-anchor-head anchor rod - Google Patents
Grouting type double-anchor-head anchor rod Download PDFInfo
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- CN212104063U CN212104063U CN202020174092.6U CN202020174092U CN212104063U CN 212104063 U CN212104063 U CN 212104063U CN 202020174092 U CN202020174092 U CN 202020174092U CN 212104063 U CN212104063 U CN 212104063U
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Abstract
The application relates to the field of supporting engineering of civil engineering foundation pits, side slopes and the like, in particular to a grouting type double-anchor-head anchor rod, which comprises an anchor rod body, wherein two anchor heads are arranged at the front end of the anchor rod body, the anchor heads are conical and gradually become smaller towards the front, and first threads are arranged around the side surfaces of the anchor heads; the anchor rod body is inside to be equipped with first thick liquid passageway of advancing, anchor head inside be equipped with the thick liquid passageway is advanced to the first second that advances thick liquid passageway intercommunication, first advance thick liquid passageway and second advance and all be equipped with out the thick liquid hole on the thick liquid passageway. The application provides a two anchor head stock of grout formula establishes the two anchor head structure of screw thread through week side, has increased the area of contact of stock surface and rock mass on every side, improves stock anchoring ability.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the field of supporting engineering such as civil engineering foundation pits and side slopes, in particular to a grouting type double-anchor-head anchor rod.
[ background of the invention ]
The anchor bolt support is a common support means, but because the side slope or the foundation pit with poor surrounding rock is supported and anchored by adopting the traditional anchor bolt, the problems of insufficient anchoring capability, poor anchoring and grouting effect and the like exist, and the potential safety hazard of engineering exists. The anchor rod has high requirements on the anchoring capability and the anchoring effect of the anchor rod on site in the engineering with higher requirements on the foundation pit or the side slope, and the anchoring capability of the existing anchor rod can not meet the requirements.
[ summary of the invention ]
An object of this application is to provide two anchor head stock of grout formula, two anchor head stock of grout formula are established screwed two anchor head structure through week side, have increased the area of contact of stock surface and rock mass on every side, improve stock anchoring ability.
The application is realized by the following technical scheme:
the grouting type double-anchor-head anchor rod comprises an anchor rod body, wherein two anchor heads are arranged at the front end of the anchor rod body, the anchor heads are conical and gradually become smaller towards the front, and first threads are arranged around the side surfaces of the anchor heads;
the anchor rod body is inside to be equipped with first thick liquid passageway of advancing, anchor head inside be equipped with the thick liquid passageway is advanced to the first second that advances thick liquid passageway intercommunication, first advance thick liquid passageway and second advance and all be equipped with out the thick liquid hole on the thick liquid passageway.
According to the grouting type double-anchor-head anchor rod, the front end of the anchor rod body is provided with the grout supplementing hole between the two anchor heads, and the first grout inlet channel is internally provided with the hollow grout supplementing pipe communicated with the grout supplementing hole.
The grouting type double-anchor-head anchor rod is provided with second threads around the periphery of the anchor rod body.
The grouting type double-anchor-head anchor rod is characterized in that the grout outlet is an elliptical hole.
The grouting type double-anchor-head anchor rod comprises an anchor rod body and a connecting sleeve, wherein the anchor rod body comprises a main body sleeve and the connecting sleeve is connected with the front end of the main body sleeve.
The grouting type double-anchor-head anchor rod is characterized in that the outer circumference center of the connecting sleeve is sunken to form an annular groove.
Grout formula two anchor head stock, be equipped with radial mortise lock mechanism on the first thick liquid passageway inner wall of advancing, radial mortise lock mechanism includes flexible film, flexible film with first advance and form airtight space between the passageway inner wall, be equipped with one end movably in the airtight space and stretch out the outer nail of inserting of first thick liquid passageway lateral wall of advancing, the nail towards the first tip of advancing thick liquid passageway be equipped with the head of a nail that flexible film offsets, the head of a nail with be equipped with the retraction spring that is used for advancing the nail retraction in the thick liquid passageway lateral wall between the first thick liquid passageway inner wall of advancing.
According to the grouting type double-anchor-head anchor rod, the telescopic direction of the inserted nails is the radial direction of the first grout inlet channel.
The grouting type double-anchor-head anchor rod is characterized in that the flexible film is a rubber film, the direction of the acting force of the inserting nail is opposite to that of the contracting spring, and the acting force of the rubber film is smaller than that of the contracting spring.
Compared with the prior art, the method has the following advantages:
1. grouting type double anchor head anchor rod is through week side establishes the screwed double anchor head structure, has increased the area of contact of anchor rod surface and rock mass on every side, improves the stock anchor ability.
2. During grouting, grout is filled in the first grout inlet channel, the second grout inlet channel and the anchor heads, and the grout can be continuously grouted to rock masses around the anchor rod through the arranged grout filling pipes, particularly rock masses between the two anchor heads, so that complete grouting of the anchor rod is guaranteed, and the anchoring effect of the anchor rod is further enhanced.
3. The radial mortise lock mechanism can greatly enhance the anchoring performance of the anchor rod, so that the anchor rod is not easy to pull.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a grouted double-anchor-head anchor rod according to an embodiment of the application.
Fig. 2 is a schematic structural diagram of a grouted double-anchor-head anchor rod according to an embodiment of the application after grouting.
Fig. 3 is a schematic structural diagram of an anchor head according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram 1 of a mortise lock mechanism according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram 2 of a mortise lock mechanism according to an embodiment of the present application, wherein the first slurry inlet channel is in a slurry filling state.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1 to 5, the grouting type anchor rod with two anchor heads provided in the embodiment of the present application includes an anchor rod body 1, two anchor heads 2 are provided at the front end of the anchor rod body 1, the anchor heads 2 are conical and gradually decrease towards the front, and first threads 20 are provided around the side surfaces of the anchor heads 2; the anchor rod body 1 is inside to be equipped with first thick liquid passageway 11 of advancing, anchor head 2 is inside be equipped with first thick liquid passageway 21 of advancing the second of thick liquid passageway 11 intercommunication, first thick liquid passageway 11 and the second of advancing all are equipped with out thick liquid hole 3 on advancing thick liquid passageway 21. Specifically, the slurry outlet 3 is a circular hole or an elliptical hole which is easier to machine.
When anchoring is carried out, a rock body at an anchoring site is drilled, then the grouting type double-anchor-head anchor rod is inserted into the drilled hole, then grouting is carried out on the first grout inlet channel 11, grout sequentially passes through the second grout inlet channel 21 and the anchor head 2, and the grout is poured into the second grout inlet channel and the anchor head 2 to be full and then overflows along the grout outlet hole 3 to enter a stratum. After the slurry is solidified, the anchor rod can be stably anchored on the anchoring site.
Grouting type double anchor head anchor rod is through week side establishes the screwed double anchor head structure, has increased the area of contact of anchor rod surface and rock mass on every side, improves the stock anchor ability.
Preferably, a second thread 10 is provided around the circumference of the bolt body 1. Further increasing the contact area of the anchor rod surface and the surrounding rock mass.
Furthermore, the front end of the anchor rod body 1 is provided with a grout supplementing hole 4 between the two anchor heads 2, and a hollow grout supplementing pipe 5 communicated with the grout supplementing hole 4 is arranged in the first grout inlet channel 11. During grouting, grout firstly fills the first grout inlet channel 11, the second grout inlet channel 21 and the anchor heads 2, and the grout can be continuously grouted to rock masses around the anchor rod through the arranged grout filling pipe 5, particularly rock masses between the two anchor heads 2, so that complete grouting of the anchor rod is guaranteed, and the anchoring effect of the anchor rod is further enhanced.
The anchor rod body 1 includes a main sleeve 100 and a connecting sleeve 200 welded to a front end of the main sleeve 100. The strength of the anchor rod body 1 is more reliable.
In order to enable the anchor rod to be clamped in the rock body more stably, the outer periphery of the connecting sleeve 200 is recessed towards the center to form an annular groove 201.
In this embodiment, be equipped with radial mortise lock mechanism 6 on the first thick liquid passageway 11 inner wall of advancing, radial mortise lock mechanism 6 includes flexible film 62, flexible film 62 with form airtight space 60 between the first thick liquid passageway 11 inner wall of advancing, be equipped with one end movably in the airtight space 60 and stretch out the outer nail 61 of inserting of first thick liquid passageway 11 lateral wall of advancing, the nail 61 towards the first tip of advancing thick liquid passageway be equipped with the head of a nail 611 that offsets of flexible film 62, head of a nail 611 with be equipped with between the first thick liquid passageway 11 inner wall and be used for the retracted position spring 63 that contracts in the first thick liquid passageway 11 lateral wall of advancing of nail 61. Its advantage lies in, when thick liquid is injected and is full of whole first thick liquid passageway 11, flexible film 62 under the pressure effect of thick liquid, tends to the direction of hugging closely the passageway inner wall gradually, and then will insert the outside of nail 61 ejecting first thick liquid passageway 11 lateral wall, insert the nail 61 directly and insert the rock mass, has strengthened the anchoring performance of stock greatly, makes the stock difficult for being pulled out.
Optionally, the extension and contraction direction of the plug pin 61 is the radial direction of the first pulp inlet channel 11.
Further, the flexible film 62 is a rubber film, the direction of the acting force of the retraction spring 63 on the plug pin 61 is opposite to that of the rubber film, and the acting force of the rubber film is smaller than that of the retraction spring 63. The anchor rod is made to be inserted into the first grout inlet channel wall before use, so that the anchor rod is prevented from being blocked when being inserted, and the inserted pin can extend out of the channel wall to anchor a rock body under the action of external force, namely grout hydraulic pressure.
In summary, the present application has, but is not limited to, the following beneficial effects:
1. grouting type double anchor head anchor rod is through week side establishes the screwed double anchor head structure, has increased the area of contact of anchor rod surface and rock mass on every side, improves the stock anchor ability.
2. During grouting, grout firstly fills the first grout inlet channel 11, the second grout inlet channel 21 and the anchor heads 2, and the grout can be continuously grouted to rock masses around the anchor rod through the arranged grout filling pipe 5, particularly rock masses between the two anchor heads 2, so that complete grouting of the anchor rod is guaranteed, and the anchoring effect of the anchor rod is further enhanced.
3. The radial mortise lock mechanism 6 can greatly enhance the anchoring performance of the anchor rod, so that the anchor rod is not easy to pull.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (9)
1. The grouting type double-anchor-head anchor rod is characterized by comprising an anchor rod body (1), wherein two anchor heads (2) are arranged at the front end of the anchor rod body (1), the anchor heads (2) are conical and gradually become smaller towards the front, and first threads (20) are arranged around the side surfaces of the anchor heads (2);
stock body (1) inside is equipped with first thick liquid passageway (11) of advancing, anchor head (2) inside be equipped with first thick liquid passageway (21) are advanced to the second that advances thick liquid passageway (11) intercommunication, first advance thick liquid passageway (11) and second advance and all be equipped with out thick liquid hole (3) on thick liquid passageway (21).
2. A grouted double anchor head anchor rod according to claim 1, wherein the front end of the anchor rod body (1) is provided with a grout supplementing hole (4) between the two anchor heads (2), and a grout supplementing pipe (5) which is hollow and communicated with the grout supplementing hole (4) is arranged in the first grout inlet channel (11).
3. A grouted double anchor head bolt according to claim 1, characterised in that a second thread (10) is provided around the outer circumference of the bolt body (1).
4. A grouted double anchor head bolt according to claim 1, wherein the grout outlet (3) is an elliptical hole.
5. A grouted dual anchor head bolt according to claim 1, wherein the bolt body (1) comprises a main body sleeve (100) and a connection sleeve (200) connected to a front end of the main body sleeve (100).
6. A grouted dual anchor head bolt according to claim 5, wherein the connecting sleeve (200) is peripherally and centrally recessed to form an annular groove (201).
7. A grouted double anchor head anchor rod according to any one of claims 1-6, wherein a radial mortise lock mechanism (6) is arranged on the inner wall of the first grout inlet channel (11), the radial mortise lock mechanism (6) comprises a flexible film (62), a closed space (60) is formed between the flexible film (62) and the inner wall of the first grout inlet channel (11), an inserted nail (61) with one end movably extending out of the side wall of the first grout inlet channel (11) is arranged in the closed space (60), a nail cap (611) abutting against the flexible film (62) is arranged at the end of the inserted nail (61) facing the first grout inlet channel, and a retraction spring (63) for retracting the inserted nail (61) into the side wall of the first grout inlet channel (11) is arranged between the nail cap (611) and the inner wall of the first grout inlet channel (11).
8. A grouted double anchor head bolt according to claim 7, wherein the extension and retraction direction of the plug pin (61) is radial to the first grout passage (11).
9. A grouted dual anchor head bolt according to claim 7, wherein the flexible membrane (62) is a rubber membrane, and the rubber membrane is in the opposite direction to the force of the retraction spring (63) on the plug pin (61), and the force of the rubber membrane is less than the force of the retraction spring (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174092.6U CN212104063U (en) | 2020-02-16 | 2020-02-16 | Grouting type double-anchor-head anchor rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020174092.6U CN212104063U (en) | 2020-02-16 | 2020-02-16 | Grouting type double-anchor-head anchor rod |
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| Publication Number | Publication Date |
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| CN212104063U true CN212104063U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020174092.6U Active CN212104063U (en) | 2020-02-16 | 2020-02-16 | Grouting type double-anchor-head anchor rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287180A (en) * | 2020-02-16 | 2020-06-16 | 云南省建筑科学研究院 | Double thread anchor head combined anchor rod |
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2020
- 2020-02-16 CN CN202020174092.6U patent/CN212104063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287180A (en) * | 2020-02-16 | 2020-06-16 | 云南省建筑科学研究院 | Double thread anchor head combined anchor rod |
| CN111287180B (en) * | 2020-02-16 | 2024-08-20 | 云南省建筑科学研究院 | Double-thread anchor head combined anchor rod |
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Address after: 650223 floor 17, building C2, yingxincheng international Ginza, the third city of Economic Development Zone, Kunming area, China (Yunnan) pilot Free Trade Zone, Kunming City, Yunnan Province Patentee after: Yunnan Academy of Building Sciences Co.,Ltd. Patentee after: Yunnan Construction Engineering Quality Inspection Station Co., Ltd Address before: 650000 No. 150 Xuefu Road, Kunming, Yunnan Patentee before: YUNNAN INSTITUTE OF BUILDING RESEARCH Patentee before: Yunnan Construction Engineering Quality Inspection Station Co., Ltd |