CN212774354U - Anchor rod for reinforcing tunnel construction - Google Patents
Anchor rod for reinforcing tunnel construction Download PDFInfo
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- CN212774354U CN212774354U CN202021888488.3U CN202021888488U CN212774354U CN 212774354 U CN212774354 U CN 212774354U CN 202021888488 U CN202021888488 U CN 202021888488U CN 212774354 U CN212774354 U CN 212774354U
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- rod body
- grouting rod
- grouting
- anchor
- rod
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Abstract
The utility model discloses a tunnel construction consolidates stock relates to tunnel construction technical field, have the anchor head including the first slip casting body of rod, be equipped with the drum on the anchor head, the drum cover is established on the first slip casting body of rod, is equipped with a plurality of even grooves that run through on the drum lateral wall, runs through and is equipped with the thorn nail on the groove, and first slip casting body of rod lateral wall is equipped with out the thick liquid mouth, and hollow post cover is established on the first slip casting body of rod, and the first slip casting body of rod is connected with the second slip casting body of rod through the adapter sleeve, is equipped with only thick liquid stopper on the second slip casting body of rod, is equipped with the backing plate on. The utility model discloses simple structure is reliable, and the barb structure that forms behind the slip casting increases the anchor power, and the column anchor body has increased the area of contact of stock with the thick liquid, has guaranteed the bonding strength between the stock body and thick liquid, and the anchor is effectual, is suitable for the popularization.
Description
Technical Field
The utility model relates to a tunnel construction technical field, concretely relates to anchor rod is consolidated in tunnel construction.
Background
The anchor rod is the most basic component in tunnel construction, and reinforces the surrounding rocks of the tunnel together to support the surrounding rocks. The anchor rod is not only used for tunnels, but also used in engineering technology for reinforcing main bodies of slopes, mines and dam bodies.
The existing anchor rod for tunnel construction is generally characterized in that after stratum drilling, a rod body is inserted into a drill hole, cement paste is injected into a gap between the rod body and the drill hole through a grouting hole or a through hole in the center of the rod body of the anchor rod for anchoring, a columnar anchoring body cannot be formed around the anchor rod, and sufficient anchoring force cannot be obtained.
Disclosure of Invention
The utility model provides an above-mentioned problem, a tunnel construction consolidates stock solves the not enough problem of anchor power that the stock produced in the tunnel construction process.
The technical scheme of the utility model is that: the grouting device comprises a first grouting rod body, an anchor head, a cylinder, a rotating shaft, an arc-shaped body, a barbed nail, a grout outlet, a hollow column, a connecting sleeve, a second grouting rod body, a grout stop plug, a base plate and a nut;
the lower end of the first grouting rod body is provided with an anchor head, a cylinder is arranged on the anchor head, the cylinder is sleeved on the first grouting rod body, the side wall of the cylinder is provided with a plurality of uniformly distributed through grooves, barbed nails are arranged in the through grooves, a rotating shaft is transversely arranged at the bottom of the through grooves, the barbed nails are installed in the through grooves through the rotating shaft, the top ends of the barbed nails are provided with arc-shaped bodies, the arc-shaped bodies are detachably connected with the through grooves, the inner wall of the cylinder is provided with matched retaining rings, the retaining rings are arranged at the lower parts of the rotating shaft, hollow columns are arranged on the cylinder, the hollow columns are sleeved on the first grouting rod body, and the first grouting rod body respectively penetrates through the hollow columns and the cylinder to be;
first slip casting body of rod upper end is equipped with the second slip casting body of rod, be connected with the matched with adapter sleeve between the first slip casting body of rod and the second slip casting body of rod, the first slip casting body of rod and the second slip casting body of rod all can be dismantled with the adapter sleeve and be connected, the first slip casting body of rod and the lateral wall of the second slip casting body of rod all are equipped with a plurality of evenly distributed's grout outlet, second slip casting body of rod upper portion is equipped with only thick liquid stopper, only thick liquid stopper upper end is equipped with the backing plate, the spiro union has the nut on the second slip casting body of rod, the backing plate passes through the nut and only thick liquid stopper is consolidated, the second slip casting body of rod runs through only thick liquid stopper respectively and the backing plate.
Further, the surface of the first grouting rod body and the surface of the second grouting rod body are provided with external threads, and the grout outlet is formed between the two adjacent external threads.
Further, the anchor head is of a cone structure.
Further, the number of the through grooves is eight.
Further, the hollow column is of a cylindrical structure, and the diameter size of the hollow column is equal to the size of the aperture to be drilled.
Furthermore, be equipped with respectively on the adapter sleeve with first slip casting body of rod and second slip casting body of rod matched with internal thread, first slip casting body of rod and second slip casting body of rod pass through screw-thread fit respectively with the adapter sleeve and can dismantle the connection.
Furthermore, the grout stopping plug is of a circular truncated cone structure, and the diameter of the upper bottom surface of the grout stopping plug is larger than the diameter of the hole diameter to be drilled.
The utility model has the advantages that:
the utility model discloses a hollow post equals with treating drilling aperture size, can guarantee that the stock is placed perpendicularly in drilling, and the barbed nail in the drum is stressed outstanding when the slip casting, forms the barb, increases the anchor power of stock in drilling. The utility model discloses simple structure is reliable, and the anchor is effectual, is suitable for the popularization.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the working state of the cylinder of the present invention;
FIG. 3 is a schematic structural view of a second working state of the cylinder of the present invention;
fig. 4 is a front view of the through-groove of the present invention;
fig. 5 is a side view of the through-groove of the present invention.
Reference numerals:
1 is the first slip casting body of rod, 2 is the anchor head, 3 is the drum, 4 is the pivot, 5 is the arc body, 6 is the barbed nail, 7 is the grout outlet, 8 is hollow post, 9 is the adapter sleeve, 10 is the second slip casting body of rod, 11 is the grout stopping stopper, 12 is the backing plate, 13 is the nut, 301 is the retaining ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 for purposes of illustration only and are not intended to limit the invention.
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.
Referring to fig. 1 to 5, a tunnel construction reinforced anchor rod is characterized by comprising a first grouting rod body 1, an anchor head 2, a cylinder 3, a rotating shaft 4, an arc-shaped body 5, a barbed nail 6, a grout outlet 7, a hollow column 8, a connecting sleeve 9, a second grouting rod body 10, a grout stop plug 11, a backing plate 12, a nut 13 and a retainer ring 301;
the first grouting rod body 1 and the second grouting rod body 10 are both of a hollow structure, cement paste is poured in from holes, the side walls of the first grouting rod body 1 and the second grouting rod body 10 are both provided with a plurality of uniformly distributed grout outlets 7, the surfaces of the first grouting rod body 1 and the second grouting rod body 10 are both provided with external threads, the grout outlets 7 are arranged between two adjacent external threads, the cement paste poured in the first grouting rod body 1 and the second grouting rod body 10 is discharged from the grout outlets 7, an anchor head 2 is arranged below the first grouting rod body 1, the anchor head 2 is of a cone structure and is convenient to drill in a hole to be drilled, a cylinder 3 is arranged on the anchor head 2, the cylinder 3 is sleeved on the first grouting rod body 1, a plurality of uniformly distributed through grooves are arranged on the side wall of the cylinder 3, preferably, the number of the through grooves is eight, a rotating shaft 4 is arranged on the through grooves, the rotating shaft 4 is transversely arranged at the bottom of the through grooves, and a barbed nail 6 is arranged in the through groove through the rotating shaft 4, the barbed nail 6 can rotate around the rotating shaft 4 in the through groove, the inner wall of the cylinder 3 is provided with a matched retaining ring 301, the retaining ring 301 is arranged at the lower part of the rotating shaft 4, the retaining ring 301 is of a ring body structure and limits the rotating range of the barbed nail 6, the top end of the barbed nail 6 is provided with an arc body 5, the arc body 5 is detachably connected with the through groove, when the barbed nail 6 rotates to the state that the arc body 5 is contacted with the through groove, the barbed nail 6 is clamped in the through groove, the cylinder 3 is provided with a hollow column 8, the hollow column 8 is sleeved on the first grouting rod body 1, the hollow column 8 is of a cylindrical structure, the diameter size of the hollow column 8 is equal to the size of the aperture of the hole to be drilled, the hollow column 8 is vertically placed in the drilled hole, the first grouting rod body 1 can be vertically placed in a hole to be drilled, the first grouting rod body 1 respectively penetrates through the hollow column 8 and the cylinder 3 to be connected with the anchor head 2, and the first grouting rod body 1 and the anchor head 2 are placed in the hole to be drilled together;
the upper end of the first grouting rod body 1 is provided with a second grouting rod body 10, a connecting sleeve 9 matched with the first grouting rod body 1 and the second grouting rod body 10 is connected between the first grouting rod body 1 and the second grouting rod body 10, the first grouting rod body 1 and the second grouting rod body 10 are both detachably connected with the connecting sleeve 9, inner threads matched with the first grouting rod body 1 and the second grouting rod body 10 are respectively arranged on the connecting sleeve 9, the first grouting rod body 1 and the second grouting rod body 10 are respectively detachably connected with the connecting sleeve 9 through thread matching, the second grouting rod body 10 can be freely increased according to the depth of a hole to be drilled, the upper part of the second grouting rod body 10 is provided with a grout stop plug 11, the grout stop plug 11 is of a circular truncated cone structure, the diameter size of the upper bottom surface of the grout stop plug 11 is larger than the aperture size of the hole to be drilled, the grout stop plug 11 can be ensured to completely block the hole to prevent overflowing of the hole to be drilled, the grout stop plug, the second slip casting body of rod 10 is gone up the spiro union and is had nut 13, and backing plate 12 is through nut 13 and stop the thick liquid stopper 11 and consolidate, and the second slip casting body of rod 10 runs through respectively and stops thick liquid stopper 11 and backing plate 12 and nut 13 can dismantle the connection, and the installation will end thick liquid stopper 11 and backing plate 12 cover in proper order and establish on the second slip casting body of rod 10, at last spiro union go up nut 13, and the nut 13 will be stopped thick liquid stopper 11 and backing plate 12 and consolidate together to rotate.
The utility model discloses a use method: when in use, the first grouting rod body 1 is sequentially provided with the anchor head 2, the cylinder 3 and the hollow column 8 from bottom to top, the cylinder 3 and the hollow column 8 are sleeved on the first grouting rod body 1, the connecting sleeve 9 is selected to be installed according to the depth of a drilled hole, when the drilled hole is deep, the second grouting rod body 10 is installed on the first grouting rod body 1 through the connecting sleeve 9, the installed anchor rod is inserted into the hole to be drilled, the anchor head 2 is directly inserted into the bottom of the drilled hole, the hollow column 8 is vertically placed in the hole to be drilled, the first grouting rod body 1 is ensured to be vertical to the hole to be drilled, the second grouting rod body 10 is sleeved with the grout stop plug 11, the hole to be drilled is plugged by the grout stop plug 11, the second grouting rod body 10 is sleeved with the backing plate 12, the backing plate 12 is arranged above the grout stop plug 11, the backing plate 12 is arranged on the ground through the second grouting rod body 10 and is level with the ground, the nut 13 is arranged on the backing plate 12, the twist nut 13 fixes the backing plate 12 to ensure that the fixed backing plate 12 does not shake on the ground. After the installation is finished, cement paste is injected from a hole above the second grouting rod body 10, the cement paste sequentially passes through the nut 13, the backing plate 12, the connecting sleeve 9, the hollow column 8 and the first grouting rod body 1 to reach the position of the cylinder 3, the cement paste is discharged from the grout outlet 7 on the surface of the first grouting rod body 1, the discharged cement paste has certain pressure, the arc-shaped body 5 at the top end of the barbed nail 6 is pushed to leave the through groove, the barbed nail 6 rotates around the rotating shaft 4 in the through groove, eight barbed nails on the side wall of the cylinder 3 are all protruded under the pushing of the cement paste, when the rotating shaft 4 rotates to contact with the retaining ring 301, the rotating shaft 4 stops rotating to form a barbed structure, the anchoring force of the anchor rod and the drilled hole is increased, the cement paste is continuously injected, the hollow column 8 is fully injected to form a columnar anchoring body, the contact area of the anchor rod and the grout is increased, the bonding strength, the grout stop plug 11 ensures that the grout does not overflow from the hole to be drilled due to excessive injection only until the grout fills the whole hole to be drilled.
The utility model discloses a diameter size of hollow post equals with treating drilling aperture size, can guarantee that the stock is placed perpendicularly in drilling, and the barbed nail in the drum is stressed outstanding when the slip casting, forms the barb, increases the anchor power of stock in drilling, forms the column anchor body after the hollow post slip casting, has increased the area of contact of stock with the thick liquid, has guaranteed the bonding strength between stock body and thick liquid effectively. The utility model discloses simple structure is reliable, and the anchor is effectual, is suitable for the popularization.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A tunnel construction reinforcement anchor rod is characterized by comprising a first grouting rod body (1), an anchor head (2), a cylinder (3), a rotating shaft (4), an arc-shaped body (5), a barbed nail (6), a grout outlet (7), a hollow column (8), a connecting sleeve (9), a second grouting rod body (10), a grout stop plug (11), a base plate (12) and a nut (13);
the lower end of the first grouting rod body (1) is provided with an anchor head (2), the anchor head (2) is provided with a cylinder (3), the cylinder (3) is sleeved on the first grouting rod body (1), a plurality of uniformly distributed through grooves are arranged on the side wall of the cylinder (3), the penetrating groove is internally provided with a barbed nail (6), the bottom of the penetrating groove is transversely provided with a rotating shaft (4), the barbed nail (6) is arranged in the through groove through the rotating shaft (4), the top end of the barbed nail (6) is provided with an arc body (5), the arc-shaped body (5) is detachably connected with the through groove, the inner wall of the cylinder (3) is fixedly connected with a matched retaining ring (301), the retainer ring (301) is arranged at the lower part of the rotating shaft (4), the cylinder (3) is provided with a hollow column (8), the hollow column (8) is sleeved on the first grouting rod body (1), and the first grouting rod body (1) penetrates through the hollow column (8) and the cylinder (3) respectively to be connected with the anchor head (2);
a second grouting rod body (10) is arranged at the upper end of the first grouting rod body (1), a connecting sleeve (9) matched with the first grouting rod body (1) and the second grouting rod body (10) is connected between the first grouting rod body and the second grouting rod body, the first grouting rod body (1) and the second grouting rod body (10) are both detachably connected with the connecting sleeve (9), the side walls of the first grouting rod body (1) and the second grouting rod body (10) are respectively provided with a plurality of evenly distributed grout outlets (7), a grout stop plug (11) is arranged at the upper part of the second grouting rod body (10), a backing plate (12) is arranged at the upper end of the grout stop plug (11), the second grouting rod body (10) is screwed with a nut (13), the backing plate (12) is reinforced by the nut (13) and the grout stop plug (11), the second grouting rod body (10) penetrates through the grout stop plug (11) and the backing plate (12) respectively and is detachably connected with the nut (13).
2. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the surface of the first grouting rod body (1) and the surface of the second grouting rod body (10) are both provided with external threads, and the grout outlet (7) is arranged between the two adjacent external threads.
3. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the anchor head (2) is of a cone structure.
4. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the number of the through grooves is eight.
5. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the hollow column (8) is of a cylindrical structure, and the diameter size of the hollow column (8) is equal to the size of the aperture to be drilled.
6. The reinforcing anchor rod for tunnel construction according to claim 2, wherein: the connecting sleeve (9) is provided with internal threads matched with the first grouting rod body (1) and the second grouting rod body (10) respectively, and the first grouting rod body (1) and the second grouting rod body (10) are detachably connected with the connecting sleeve (9) through thread matching respectively.
7. The reinforcing anchor rod for tunnel construction according to claim 1, wherein: the grout stopping plug (11) is of a circular truncated cone structure, and the diameter of the upper bottom surface of the grout stopping plug (11) is larger than the diameter of the aperture of the hole to be drilled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021888488.3U CN212774354U (en) | 2020-09-02 | 2020-09-02 | Anchor rod for reinforcing tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021888488.3U CN212774354U (en) | 2020-09-02 | 2020-09-02 | Anchor rod for reinforcing tunnel construction |
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| Publication Number | Publication Date |
|---|---|
| CN212774354U true CN212774354U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021888488.3U Active CN212774354U (en) | 2020-09-02 | 2020-09-02 | Anchor rod for reinforcing tunnel construction |
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| CN (1) | CN212774354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107558A (en) * | 2021-04-26 | 2021-07-13 | 甘肃省公路交通建设集团有限公司北仙项目管理分公司 | Highway tunnel construction reinforcing stock |
-
2020
- 2020-09-02 CN CN202021888488.3U patent/CN212774354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107558A (en) * | 2021-04-26 | 2021-07-13 | 甘肃省公路交通建设集团有限公司北仙项目管理分公司 | Highway tunnel construction reinforcing stock |
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