CN220468842U - Screw anchoring piece for emergency flood-passing protection material of small earth-rock dam face - Google Patents
Screw anchoring piece for emergency flood-passing protection material of small earth-rock dam face Download PDFInfo
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- CN220468842U CN220468842U CN202320473434.8U CN202320473434U CN220468842U CN 220468842 U CN220468842 U CN 220468842U CN 202320473434 U CN202320473434 U CN 202320473434U CN 220468842 U CN220468842 U CN 220468842U
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- Prior art keywords
- anchor
- rod
- groove
- protection material
- screw
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- 239000000463 material Substances 0.000 title claims abstract description 29
- 238000004873 anchoring Methods 0.000 title claims abstract description 20
- 239000011435 rock Substances 0.000 title claims abstract description 19
- 230000006978 adaptation Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 239000002689 soil Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000009933 burial Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a screw anchoring piece of a small earth-rock dam face emergency flood-passing protection material, which belongs to the technical field of flood-fighting equipment and comprises an anchor rod, a pressing plate piece, a screw rod and a nut; the utility model provides a novel anchor rod, including the stock, conical head and anchor piece, the lower extreme of the stock is connected with conical head, and the lower extreme surface of stock is connected with the anchor piece, the anchor piece sets up to single circle spiral line and arranges in the top of conical head, the stock sets up to hollow tubular, the upper end surface of the stock is provided with the draw-in groove, the draw-in groove sets up to "concave" word form, the external diameter of screw rod and the internal diameter looks adaptation of the stock, this scheme both can improve anchor assembly resistance to plucking, increases dam face unit area contact friction, reduces the number of anchor assembly that the unit area used, can adopt ordinary electric drill to assist anchor assembly to go into ground and assembly construction again, improves emergent rescue construction efficiency.
Description
Technical Field
The utility model relates to the technical field of flood fighting equipment, in particular to a screw anchoring piece of a small earth-rock dam face emergency flood passing protection material.
Background
The development of critical technology of emergency flood passing of the earth-rock dam face caused by sudden large flood of the earth-rock dam of a small reservoir or limited flood passing of spillways is not satisfactory, and the development of anchoring parts for fixing emergency flood passing protective materials of the dam face is particularly important.
The existing anchor parts of the dam surface emergency flood-crossing protective material are mainly smooth round anchor parts and ribbed anchor parts, the anchor parts mainly depend on friction between the surface of an anchor rod and soil bodies to generate pulling resistance, main influencing factors considered by the pulling resistance include dam body material types, anchor part burial depths and anchor part types, under the same condition of the dam body material types, the smaller the diameter of the anchor parts is, the smaller the contact area between the surface of the anchor rod and the soil bodies is, the smaller the pulling resistance of the anchor parts is under the same burial depth condition, the number of anchor parts used in unit area of the dam surface emergency flood-crossing protective material is increased, the larger the diameter of the anchor parts is, the deeper the burial depth is, and the construction difficulty of emergency rescue is increased.
Therefore, the screw anchoring piece of the emergency flood protection material for the dam face of the small earth-rock dam is provided.
Disclosure of Invention
The utility model aims to provide a screw anchoring piece of a small earth-rock dam face emergency flood protection material, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a small-sized earth-rock dam face emergency flood-passing protection material spiral anchoring piece comprises an anchor rod, a pressing plate piece, a screw rod and a nut;
the utility model provides a novel anchor rod, including the stock, conical head and anchor piece, the lower extreme of the stock is connected with conical head, and the lower extreme surface of stock is connected with the anchor piece, the anchor piece sets up to single circle spiral line and arranges in the top of conical head, the stock sets up to hollow tubular, the upper end surface of the stock is provided with the draw-in groove, the draw-in groove sets up to "concave" word form, the external diameter of screw rod and the internal diameter looks adaptation of the stock, the one end of screw rod is provided with screw thread and the other end is smooth form, the smooth end surface connection of screw rod has the buckle, buckle and draw-in groove looks adaptation, the screw thread looks adaptation of nut and screw rod upper end, the setting of clamp plate is discoid, the central point of clamp plate puts and is provided with round hole diameter and the external diameter looks adaptation of the stock, the diameter of clamp plate is the same with the diameter of anchor plate.
Preferably, the diameter of the anchor sheet is 10-15 times of the diameter of the rod body, and the screw pitch of the anchor sheet is 0.5-1 times of the diameter of the anchor sheet.
Preferably, the cone head and the anchor sheet are welded on the rod body.
Preferably, the cone head is solid.
Preferably, the top of the clamping groove is more than 35mm away from the end of the rod body.
Preferably, the clamping groove is composed of a vertical groove A, a communicating groove and a vertical groove B, wherein the vertical groove A and the communicating groove are vertically distributed, the communicating groove and the vertical groove B are vertically distributed, and the vertical groove A completely penetrates through a port of the anchor rod.
Preferably, the anchor rod, the pressing sheet, the screw rod and the nut are made of steel materials or stainless steel materials or iron materials.
Preferably, the upper part of the screw rod is welded with a truncated drill bit matched with the electric drill.
Compared with the prior art, the utility model has the beneficial effects that: according to the scheme, the pulling resistance of the anchoring piece can be improved, the contact friction force of the unit area of the dam face is increased, the number of the anchoring pieces used in the unit area is reduced, the anchoring piece can be assisted to enter the ground and be assembled by an ordinary electric drill, and the emergency rescue construction efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model.
In the figure: 1. a bolt; 11. a rod body; 12. a conical head; 13. an anchor sheet; 14. a clamping groove; 141. a vertical groove A; 142. a communication groove; 143. a vertical groove B; 2. a platen sheet; 3. a screw; 4. a nut; 5. and (5) a buckle.
Detailed Description
Example 1
Referring to fig. 1-3, the present utility model provides a technical solution:
a small-sized earth-rock dam face emergency flood-passing protection material spiral anchoring piece consists of an anchor rod 1, a pressing plate piece 2, a screw rod 3 and a nut 4;
the anchor rod 1 consists of a rod body 11, a conical head 12 and an anchor sheet 13, wherein the conical head 12 is connected to the lower end of the rod body 11, the anchor sheet 13 is arranged on the lower end surface of the rod body 11 and is in a shape of a concave shape, the anchor sheet 13 is provided with a single-circle spiral pattern and is arranged above the conical head 12, the diameter of the anchor sheet 13 is 10-15 times that of the rod body 11, the screw pitch is 0.5-1 times that of the anchor sheet, the conical head 12 and the anchor sheet 13 are welded on the rod body 11 to improve the firmness of the integral structure, the conical head 12 is solid, the rod body 11 is in a hollow tubular shape, the upper end surface of the rod body 11 is provided with a clamping groove 14, the top of the clamping groove 14 is not less than 35mm away from the end part of the rod body 11, the clamping groove 14 is in a shape of a concave shape, the clamping groove 14 consists of a vertical groove A141, a vertical groove 142 and a vertical groove B143, the vertical groove A141 and the vertical groove B143 are vertically distributed, and the vertical groove A141 completely penetrates through the port of the anchor rod 1;
the outer diameter of the screw rod 3 is matched with the inner diameter of the rod body 11, one end of the screw rod 3 is provided with threads, the other end of the screw rod is smooth, the smooth end surface of the screw rod 3 is connected with a buckle 5, the buckle 5 is matched with a clamping groove 14, the buckle 5 can be inserted into the clamping groove 14, the sequence of inserting the buckle 5 into the clamping groove 14 is vertical insertion into a vertical groove A141, the vertical groove A141 rotates into a communicating groove 142, and the buckle 5 is further limited by the clamping groove 14 when being lifted upwards and inserted into a vertical groove B143, so that the screw rod 3 cannot be pulled out of the clamping groove 14;
the nut 4 is matched with the screw thread at the upper end of the screw rod 3, the pressing plate piece 2 is disc-shaped, a round hole is formed in the center of the pressing plate piece 2, the diameter of the round hole is matched with the outer diameter of the rod body 11, and meanwhile, the diameter of the pressing plate piece 2 is the same as the diameter of the anchor piece 13;
the anchor rod 1, the pressing plate 2, the screw rod 3 and the nut 4 are made of steel, stainless steel, iron and the like;
in order to facilitate the rapid screwing of the anchor rod 1 into the soil, a truncated drill bit matched with an electric drill is welded on the upper part of the screw rod 3 and used as a mounting tool of the anchor rod 1.
The spiral anchoring piece installing and burying step:
step one: before exceeding the standard and flooding the flood, cleaning the dam tops and downstream dam slopes, and carrying out half-excavation and half-filling emergency flood passage construction along the downstream dam slopes;
step two: and (3) installing anchor points of anchor rods on the runner and the slope thereof, and installing anchor rod installation tools on a matched electric drill. Placing the anchor rod conical section downwards at an anchor point, screwing the lower end of the installation tool into a clamping groove at the upper end of the anchor rod, holding an electric drill, turning on a power switch, drilling the anchor rod into soil, and leaking the upper end of the anchor rod to the ground by about 3cm;
step three: and (3) paving geotechnical cloth (or cement blanket) and other dam surface protection materials in the runner and on side slope filling sides at two sides of the runner.
Step four: and (3) at the anchor rod installation site, positioning the specific position of the anchor rod by identifying the surface bulge of the geotechnical cloth (or cement blanket), and puncturing the geotechnical cloth (or cement blanket) by a pointed cone to leak the anchor rod.
Step five: the anchor rod and the screw rod are clamped and fixed by the concave clamping groove and the buckle in a clockwise rotation mode, and then are screwed by the nut matched with the screw rod, so that the pressing plate is tightly pressed with geotechnical cloth (or cement blanket).
The pulling resistance of the screw expansion head anchor mainly depends on the gravity of soil mass and sliding crack surface resistance in the action range of anchor sheets at the end part of the anchor, and belongs to an end pressure type anchor.
The utility model relates to a spiral expansion head anchor fixed by a dam face emergency flood-passing protective material of a small reservoir earth-rock dam, which can improve the pulling resistance of an anchor, increase the contact friction force of the dam face per unit area, reduce the number of anchors used per unit area, and can also assist the anchor to land and assembly construction by adopting a common electric drill so as to improve the emergency rescue construction efficiency.
Claims (8)
1. The utility model provides a emergent flood protection material screw anchor of small-size earth-rock dam facing which characterized in that: comprises an anchor rod (1), a pressing plate (2), a screw (3) and a nut (4);
the utility model provides a stock (1) is including body of rod (11), conical head (12) and anchor piece (13), and the lower extreme of body of rod (11) is connected with conical head (12), and the lower extreme surface connection of stock (1) has anchor piece (13), anchor piece (13) set up to single circle spiral line and arrange in the top of conical head (12), body of rod (11) set up to hollow tube, the upper end surface of body of rod (11) is provided with draw-in groove (14), draw-in groove (14) set up to "concave" word form, the external diameter of screw rod (3) and the internal diameter looks adaptation of body of rod (11), the one end of screw rod (3) is provided with screw thread and the other end is smooth form, the smooth end surface connection of screw rod (3) has buckle (5), the screw thread looks adaptation of buckle (5) and draw-in groove (14) looks adaptation, the central position of nut (4) and screw rod (3) upper end, the setting up of clamp plate piece (2) is discoid, the diameter of clamp plate piece (2) is provided with the external diameter of clamp plate (13) looks diameter of clamp plate (2) and diameter of clamp plate (11) looks.
2. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the diameter of the anchor sheet (13) is 10-15 times of the diameter of the rod body (11), and the screw pitch of the anchor sheet (13) is 0.5-1 times of the diameter of the anchor sheet.
3. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the cone head (12) and the anchor sheet (13) are welded on the rod body (11).
4. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the conical head (12) is solid.
5. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the top distance of the clamping groove (14) from the end part of the rod body (11) is larger than 35mm.
6. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the clamping groove (14) is composed of a vertical groove A (141), a communicating groove (142) and a vertical groove B (143), wherein the vertical groove A (141) and the communicating groove (142) are vertically distributed, the communicating groove (142) and the vertical groove B (143) are vertically distributed, and the vertical groove A (141) completely penetrates through a port of the anchor rod (1).
7. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the anchor rod (1), the pressing plate (2), the screw rod (3) and the nut (4) are made of steel materials or stainless steel materials or iron materials.
8. The spiral anchoring member of the emergency flood protection material for the dam face of the small earth-rock dam according to claim 1, wherein: the upper part of the screw rod (3) is welded with a truncated drill bit matched with an electric drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320473434.8U CN220468842U (en) | 2023-03-13 | 2023-03-13 | Screw anchoring piece for emergency flood-passing protection material of small earth-rock dam face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320473434.8U CN220468842U (en) | 2023-03-13 | 2023-03-13 | Screw anchoring piece for emergency flood-passing protection material of small earth-rock dam face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468842U true CN220468842U (en) | 2024-02-09 |
Family
ID=89773130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320473434.8U Active CN220468842U (en) | 2023-03-13 | 2023-03-13 | Screw anchoring piece for emergency flood-passing protection material of small earth-rock dam face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468842U (en) |
-
2023
- 2023-03-13 CN CN202320473434.8U patent/CN220468842U/en active Active
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