Expressway slope anti-impact biological blanket slope protection structure

Abstract

The utility model discloses an anti-impact biological blanket slope protection structure for an expressway slope. The anti-impact biological blanket slope protection structure comprises a plant fiber blanket, a first anchoring nail and a second anchoring nail. Wherein the plant fiber blanket is laid on the slope protection, the plant fiber blanket is fixed on the slope protection through the first anchoring nails and the second anchoring nails, and the first anchoring nails and the second anchoring nails are arranged in a staggered mode. The anchoring nail comprises a pipe body, a first barb and a cover body. The first barbs are fixed to the side wall of the pipe body at intervals. The cover body is horizontally fixed at the top end of the pipe body, a vertical rod is fixed on the lower surface of the cover body, and the vertical rod is parallel to the pipe body. The pipe body and the first barbs of the anchoring nail are inserted into the slope protection, and the cover body is tightly pressed on the plant fiber blanket so that the plant fiber blanket can be fixed to the slope protection. The biological blanket slope protection structure can effectively prevent the biological blanket from being easily blown away by wind or washed away by water, the stability of the biological blanket slope protection structure is improved, and the biological blanket slope protection function is prevented from losing efficacy.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting sleeves, in particular to an anti-scouring biological blanket slope protection structure for a highway slope. Background Art

[0002] The side slope of a highway refers to the slope with a certain slope on both sides of the roadbed to ensure the stability of the roadbed. Due to the inclination of the slope, it is easy to cause soil erosion or landslide under the action of the slope's own gravity and other external forces, especially under the action of rainfall erosion. At present, the main protection methods for slopes are arch protection and biological blanket protection. Shrubs, herbs and other plants growing on the biological blanket protection can not only protect the ecological surface of the slope, but also have the functions of retaining water and heat, maintaining soil moisture, and protecting the slope from soil erosion.

[0003] At present, when cultivating plants on slopes, the method of planting plants directly by sowing and inserting poles on the slopes is mostly adopted. After the planting is completed, in order to avoid dust and maintain water and soil, a biological blanket is often laid on the surface of the soil layer, and U-shaped nails are required to fix it on the fiber blanket. Among them, when planting with poles, it is necessary to insert the poles first, then lay the biological blanket, and then insert U-shaped nails to fix it. Not only is the process cumbersome and the laying troublesome, but the most important thing is that this fixing method is prone to sliding due to natural factors, and the fixing effect is not good. This is because the U-shaped nail fixation can only fix the surface biological blanket and cannot effectively resist the erosion of rainwater. Especially in the rainy season, it is often found that the biological blanket is washed away, damaged, and other failures, losing the original slope protection function, causing a large amount of labor, material, construction period and other losses. Utility Model Content

[0004] In view of the above problems, the utility model provides a highway slope anti-scouring bio-mat slope protection structure, which can effectively prevent the bio-mat from being easily blown away by wind or washed away by water, improve the stability of the bio-mat slope protection structure, and prevent the bio-mat slope protection function from failing. To achieve the above purpose, the technical solution of the utility model is as follows.

[0005] A highway slope anti-impact bio-blanket slope protection structure comprises: a plant fiber blanket, a first anchor nail and a second anchor nail. The plant fiber blanket is laid on the slope protection, and the plant fiber blanket is fixed on the slope protection by the first anchor nail and the second anchor nail, and the first anchor nail and the second anchor nail are arranged alternately. The first anchor nail and the second anchor nail have the same structure, but the specification of the first anchor nail is larger than that of the second anchor nail, and the anchor nail comprises: a tube body, a first barb and a cover body. A plurality of the first barbs are fixed on the side wall of the tube body at intervals, the cover body is fixed horizontally on the top of the tube body, and a vertical rod is fixed on the lower surface of the cover body, and the vertical rod is parallel to the tube body. The lower end of the tube body has a conical head to facilitate driving the anchor nail into the slope protection. The tube body, the first barb, the vertical rod and the conical head are inserted into the slope protection, and the cover body is pressed against the plant fiber blanket, so as to fix the plant fiber blanket on the slope protection.

[0006] Further, the inner wall of the upper port of the tube cavity of the tube body has an internal thread, and the outer wall of the conical head is fixed with inverted triangular wing plates along its circumferential interval, and the upper end of the wing plate is located outside the outer wall of the tube body. A slide bar is vertically fixed to the center of the upper surface of the conical head, and the slide bar is slidably arranged in the tube cavity of the tube body. A second barb is fixed to the upper side wall of the slide bar, and the tube wall of the tube body has a vertical strip-shaped opening groove, and the second barb extends outside the tube body through the strip-shaped opening groove. The center of the cover body has a through hole corresponding to the upper port of the tube body. It also includes an adjusting bolt, whose length is greater than the distance from the upper end of the slide bar to the upper port of the tube body, and the length of the opening groove is equal to the rod length of the adjusting bolt. When in use, the lower end of the rod of the adjusting bolt passes through the through hole and is located in the tube body and the two are threadedly connected, and the conical head is pushed downward, and the lower part of the second barb is pressed against the bottom surface of the opening groove.

[0007] Furthermore, the cover body includes any one of a "cross" shape, a "M" shape, etc.

[0008] Furthermore, the "X"-shaped and "M"-shaped structures include a horizontally arranged cover plate and strip plates, wherein the strip plates are fixed to the side walls along the circumference of the side walls of the cover plate. The through hole is located at the center of the cover plate, and the vertical rod is vertically fixed to the lower surface of the strip plates.

[0009] Furthermore, a square groove is provided at the center of the top surface of the adjusting bolt, so as to facilitate the use of a tool to drive the adjusting bolt to rotate.

[0010] Furthermore, the lower end of the rod body of the adjusting bolt is a circular or conical structure to reduce the friction resistance between the adjusting bolt and the upper end of the sliding rod.

[0011] Furthermore, the material of the plant fiber blanket includes any one of coconut flakes, wheat, corn, straw, etc.

[0012] Furthermore, the first anchoring nail and the second anchoring nail are made of a degradable material.

[0013] Furthermore, the angles between the first barb and the tube body, and between the second barb and the slide rod are both 30-45°.

[0014] Furthermore, the top of the slope protection has a groove, and the upper end of the plant fiber blanket is fixed in the groove by the first anchoring nail and / or the second anchoring nail.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model uses the above-mentioned anchor nails to replace the traditional U-shaped nails to fix the plant fiber blanket laid on the slope protection, which can effectively prevent the plant fiber blanket fixed by the U-shaped nails from being unable to effectively resist the scouring of rainwater, resulting in the plant fiber blanket being washed away, damaged, and other failures, thereby avoiding a large amount of loss in labor, materials, construction period, etc. This is because the anchor nail of the utility model not only has a first barb, which can well prevent the anchor nail from being pulled out of the slope protection, but also uses the cover body and its vertical rod to press the plant fiber blanket against the slope protection, thereby preventing the plant fiber blanket from detaching from the slope protection. Furthermore, the utility model slides the conical head in the tube body of the anchor nail through the slide rod, so that after the anchor nail is driven into the slope protection, the conical head can be further extended into the slope protection by the adjustment bolt as needed, thereby increasing the length of the anchor nail driven into the slope protection, and the second barb fixed on the slide rod also has the function of preventing the anchor nail from being pulled out of the slope protection, thereby better increasing the anchoring effect of the anchor nail. At the same time, the anchor nail of this structure also has the characteristics of saving space and being easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] Figure 1 Schematic diagram of the structure of the highway slope anti-scour bio-blanket slope protection structure in the following embodiments.

[0018] Figure 2 Schematic diagram of the structure of the anchor rod in the following embodiments.

[0019] Figure 3 It is a bottom view of the cover body in the following embodiments.

[0020] Figure 4 1 is a top view of the conical head and the slide rod in the following embodiments.

[0021] Figure 5 1 is a front view of the conical head and the slide rod in the following embodiments.

[0022] Figure 6 Schematic diagram of the structure of the adjusting bolt in the following embodiments.

[0023] The numbers in the above drawings represent: 1-plant fiber blanket, 2-first anchor nail, 3-second anchor nail, 4-slope protection, 5-tube body, 6-first barb, 7-cover body, 8-vertical rod, 9-conical head, 10-wing plate, 11-sliding rod, 12-second barb, 13-opening groove, 14-through hole, 15-adjusting bolt, 16-square groove, 17-groove, 701-cover plate, 702-slat plate. DETAILED DESCRIPTION

[0024] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present invention, they only indicate that they are consistent with the up, down, left and right directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or component needs to have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0025] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used in the utility model have the same meanings as those commonly understood by ordinary technicians in the technical field to which the utility model belongs. Now, the highway slope anti-scouring bio-blanket slope protection structure of the utility model is further explained in conjunction with the drawings and specific embodiments of the specification.

[0026] refer to Figure 1 , Figure 2 and Figure 3, an example of a highway slope anti-impact biological blanket slope protection structure, including: a plant fiber blanket 1, a first anchor nail 2 and a second anchor nail 3. Wherein: the plant fiber blanket 1 is laid on the slope protection 4, and the plant fiber blanket 1 can be made of coconut flakes, wheat, corn, straw stalks, etc., and has good biodegradability. After degradation, it can also be used as nutrients for plants planted on the slope protection 4. The plant fiber blanket can directly use commercially available products, and this embodiment will not be repeated. The plant fiber blanket 1 is fixed to the slope protection 4 by the first anchor nail 2 and the second anchor nail 3, and the adjacent overlaps of the plant fiber blanket 1 are also fixed by the first anchor nail 2 and the second anchor nail 3, and the first anchor nail 2 and the second anchor nail 3 are arranged alternately. The first anchor nail 2 and the second anchor nail 3 have the same structure, but the specification of the first anchor nail 2 is larger than that of the second anchor nail 3. For example, the size of the first anchor nail 2 is 2 times, 3 times or 4 times that of the second anchor nail 3, etc., and can be customized according to actual needs.

[0027] Specifically, refer to Figure 2 and Figure 3 , the anchor nail comprises: a tube body 5, a first barb 6, a vertical rod 8 and a cover body 7. Wherein: the tube body 5 is a vertically arranged circular tube, the first barb 6 is arranged obliquely upward, and a plurality of the first barbs 6 are fixed at intervals along the side wall height of the tube body 5. The angle between the first barb 6 and the tube body 5 can be selected between 30 and 45°, such as 30°, 40°, 45°, etc., so that it is convenient to drive the anchor nail into the slope protection 4, and it can prevent the anchor nail from being pulled out of the slope protection 4, thereby improving the anchoring force of the anchor nail. The cover body 7 is horizontally fixed on the top of the tube body 5, and a vertical rod 8 is fixed on the lower surface of the cover body 7, and the vertical rod 8 is parallel to the tube body 5. The lower end of the tube body 5 has a conical head 9 to facilitate driving the anchor nail into the slope protection 4. The tube body 5, the first barb 6, the vertical rod 8 and the conical head 9 are all nailed into the slope protection 4, and the cover body 7 is pressed tightly against the plant fiber blanket 1, thereby fixing the plant fiber blanket 1 on the slope protection 4, thereby preventing the plant fiber blanket 1 from detaching from the slope protection 4.

[0028] When encountering heavy rain or strong wind, the impact force on the slope is relatively large, and the plant fiber blanket 1 is very likely to curl up and detach from the slope. When there is strong wind or rainy season, the second anchor nail 3 with smaller specifications first plays a fixing role. If there is more extreme weather, the second anchor nail 3 in the shallow part may fail first. At this time, the first anchor nail 2 with larger specifications, deeper nailing and stronger anchoring force can play a good anchoring role. This embodiment uses the above-mentioned anchor nails instead of traditional U-shaped nails to fix the plant fiber blanket 1 laid on the slope protection 4, which can effectively prevent the plant fiber blanket 1 fixed by the U-shaped nails from being unable to effectively resist the scouring of rainwater, resulting in the plant fiber blanket 1 being scour, damaged and other failures, and avoid causing a large amount of losses in labor, materials, construction period, etc.

[0029] In one embodiment, reference Figure 2 and Figure 3 The cover body 7 of the highway slope anti-impact bio-blanket slope protection structure of the above embodiment is a "cross" shaped structure, and the "cross" shaped structure includes a horizontally arranged cover plate 701 and strips 702. Among them, the four strips 702 are evenly and spacedly fixed on the side wall of the cover plate 701 along the circumference. The vertical rod 8 is vertically fixed on the lower surface of the strip 702. This cover body 7 can better solve the problem that the plant fiber blanket 1 is impacted and separated from the slope protection 4 and fails. It should be understood that the cover body 7 can also adopt a "M" shaped structure or other similar structures.

[0030] In a more preferred embodiment, reference Figures 2 to 5 The upper end wall of the tube cavity of the tube body 5 of the highway slope anti-impact bio-blanket slope protection structure of the above embodiment has an internal thread, and four inverted triangular wing plates 10 are fixed on the outer wall of the conical head 9 along its circumferential direction, and the upper ends of the wing plates 10 are located outside the outer wall of the tube body 5. The conical head 9 of this structure is easier to be nailed into the slope protection 4, and the wing plates 10 have a function similar to the first barbs 6 mentioned above, which helps to improve the anchoring effect of the anchor nail.

[0031] A slide bar 11 is vertically fixed to the center of the upper surface of the conical head 9, and the slide bar 11 is slidably arranged in the tube cavity of the tube body 5, so that the slide bar 11 can move up and down along the tube cavity. A second barb 12 is fixed on the upper side wall of the slide bar 11, which is arranged obliquely upward, and the angle between the second barb 12 and the slide bar 11 or the tube body 5 can be the same as that of the first barb 6. A vertical strip-shaped opening groove 13 corresponding to the second barb 12 is provided on the tube wall of the tube body 5, and the second barb 12 extends outside the tube body 5 through the strip-shaped opening groove 13, so that when the slide bar 11 moves up and down along the tube cavity of the tube body 5, the second barb 12 moves synchronously along the strip-shaped opening groove 13.

[0032] The center of the cover body 7 has a through hole 14 corresponding to the upper end of the tube body 5. When the cover body 7 is composed of the above-mentioned cover plate 701 and the strip plate 702, the through hole 14 is located at the center of the cover plate 701. It also includes an adjusting bolt 15, whose length is greater than the distance from the upper end of the slide bar 11 to the upper end of the tube body 5, and the length of the opening slot 13 is equal to the rod length of the adjusting bolt 15. When in use, the lower end of the rod of the adjusting bolt 15 passes through the through hole 14 and is located in the tube body 5 and the two are threadedly connected, and the adjusting bolt 15 is rotated to push the slide bar 11 down, thereby moving the conical head 9 downward until the adjusting bolt 15 is fastened to the upper surface of the cover body 7, and at this time, the lower part of the second barb 12 is just pressed against the bottom surface of the opening slot 13, thereby fixing the slide bar 11 in the tube body 5. At this time, the tube body 5, the first barb 6, the conical head 9, the slide bar 11 and the second barb 12 together form an extended integrated anchor nail.

[0033] In this embodiment, the conical head 9 is slidably arranged in the tube body 5 of the anchor nail through the slide rod 11, so that after the anchor nail is driven into the slope protection 4, the adjusting bolt 15 can be used to further extend the conical head 9 into the slope protection 4 as needed, thereby increasing the length of the anchor nail driven into the slope protection 4. In addition, the second barb 12 fixed on the slide rod 11 also has the function of preventing the anchor nail from being pulled out of the slope protection 4, thereby better increasing the anchoring effect of the anchor nail. At the same time, the anchor nail of this structure also has the characteristics of saving more space and being easy to carry.

[0034] In one embodiment, reference Figure 6 The center of the top surface of the adjusting bolt 15 of the highway slope anti-impact bio-blanket slope protection structure of the above embodiment is provided with a square groove 16, so that a tool such as a "T"-shaped rod can be inserted into the square groove 16 to drive the adjusting bolt 15 to rotate and enter the tube body 5. Any other suitable method can also be used to drive the adjusting bolt 15 to rotate.

[0035] In one embodiment, reference Figure 6 The lower end of the rod body of the adjusting bolt 15 of the highway slope anti-impact bio-blanket slope protection structure in the above embodiment is a circular or conical structure, so as to reduce the friction resistance between the adjusting bolt 15 and the upper end of the sliding rod 11 when the adjusting bolt 15 rotates downward to push out the sliding rod 11.

[0036] In one embodiment, reference Figure 1The top of the slope protection 4 of the highway slope anti-impact biological blanket slope protection structure in the above embodiment has a groove 17, and the upper end of the plant fiber blanket 1 is fixed in the groove 17 by the first anchoring nail 2 and / or the second anchoring nail 3, so as to better prevent the end of the plant fiber blanket 1 from curling and detaching from the slope protection 4 when encountering strong winds or rain.

[0037] In one embodiment, reference Figure 1 The first anchor nail 2 and the second anchor nail 3 of the highway slope anti-scour bio-blanket slope protection structure of the above embodiment are made of degradable materials, for example, the anchor nails are made of degradable hard plastic, so that before the slope protection plants grow out, the plant fiber blanket 1 can be well fixed to prevent the plant fiber blanket 1 from being blown away and washed away by water. As the roots of the plants planted on the slope protection 4 grow, the plant fiber blanket 1 is gradually no longer needed to play the role of slope protection, and the anchor nails can be gradually degraded, which is more environmentally friendly.

[0038] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A highway slope anti-scour biological blanket slope protection structure, characterized in that: include: A plant fiber blanket, a first anchor nail and a second anchor nail; wherein: the plant fiber blanket is laid on the slope protection, and the plant fiber blanket is fixed to the slope protection by the first anchor nail and the second anchor nail, and the first anchor nail and the second anchor nail are arranged alternately; the first anchor nail and the second anchor nail have the same structure, but the specification of the first anchor nail is larger than that of the second anchor nail, and the anchor nail comprises: a tube body, a first barb and a cover body; wherein: a plurality of the first barbs are fixed on the side wall of the tube body at intervals, the cover body is fixed horizontally on the top end of the tube body, and a vertical rod is fixed on the lower surface of the cover body, and the vertical rod is parallel to the tube body; the lower end of the tube body has a conical head; the tube body, the first barb, the vertical rod and the conical head are inserted into the slope protection, and the cover body is pressed against the plant fiber blanket so that it is fixed on the slope protection.

2. The highway slope anti-scour biological blanket slope protection structure according to claim 1 is characterized in that: The cam is an angular channel formed between a pair of camshafts and a pair of camshafts, the cam being an angular channel of at least one camshaft that is angularly spaced from the top of the camshaft and having a central axis that is adapted to move relative to the camshaft.

3. The highway slope anti-scour biological blanket slope protection structure according to claim 2 is characterized in that: The cover body includes any one of a "X" shape and a "M" shape structure.

4. The highway slope anti-scour biological blanket slope protection structure according to claim 3 is characterized in that: The "X"-shaped and "M"-shaped structures include a horizontally arranged cover plate and a strip plate, wherein the strip plate is circumferentially fixed to the side wall of the cover plate; the through hole is located at the center of the cover plate; and the vertical rod is vertically fixed to the lower surface of the strip plate.

5. The highway slope anti-scour biological blanket slope protection structure according to claim 2 is characterized in that: A square groove is provided at the center of the top surface of the adjusting bolt.

6. The highway slope anti-scour biological blanket slope protection structure according to claim 2 is characterized in that: The lower end of the rod body of the adjusting bolt is a circular or conical structure.

7. The highway slope anti-scour biological blanket slope protection structure according to claim 1 is characterized in that: The angles between the first barb and the tube body, and between the second barb and the slide bar are both 30-45°.

8. The highway slope anti-scour biological blanket slope protection structure according to any one of claims 1 to 7, characterized in that: The material of the plant fiber blanket includes any one of coconut flakes, wheat, corn, and rice straw.

9. The highway slope anti-scour biological blanket slope protection structure according to any one of claims 1 to 7, characterized in that: The first anchoring nail and the second anchoring nail are made of degradable material.

10. The highway slope anti-scour biological blanket slope protection structure according to any one of claims 1 to 7, characterized in that: The top of the slope protection is provided with a groove, and the upper end of the plant fiber blanket is fixed in the groove by the first anchoring nail and / or the second anchoring nail.

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