CN217203416U

CN217203416U - Long-life highway subgrade structure of non-deformable

Info

Publication number: CN217203416U
Application number: CN202220216965.4U
Authority: CN
Inventors: 徐凌
Original assignee: Daqing Hongxiang Engineering Design Co ltd
Current assignee: Aijian Xinda Engineering Consulting Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-16
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to a highway subgrade technical field discloses a non-deformable's long-life highway subgrade structure, including the subgrade body, mix soil layer lower extreme fixedly connected with heat preservation, heat preservation lower extreme subgrade bottom, subgrade bottom lower extreme fixedly connected with buffer layer, subgrade body lower extreme fixedly connected with concrete layer, mix the first backup pad of soil layer lower extreme fixedly connected with, the equal fixedly connected with telescopic link in the left and right sides of first backup pad lower extreme, telescopic link lower extreme fixedly connected with telescopic cylinder, telescopic cylinder lower extreme fixedly connected with second backup pad, second backup pad upper end middle part fixedly connected with dead lever, the dead lever middle part is provided with the spring that returns the shape. The utility model discloses in, realized improving the life extension to the road basic body, and realized that this road bed body can not warp when receiving the heavy object pressure, strengthened the practicality of road bed body.

Description

Long-life highway subgrade structure of non-deformable

Technical Field

The utility model relates to a highway subgrade technical field especially relates to a non-deformable's long-life highway subgrade structure.

Background

The roadbed is a strip structure which is built according to the route position and certain technical requirements and serves as a road surface foundation, is the foundation of a railway and a highway, is a linear structure built by soil or stones, and is built under good geological, hydrological and climatic conditions. The roadbed can be divided into three types of soil roadbed, stone roadbed and soil-stone roadbed from the material aspect.

The conventional highway subgrade mainly has two defects, namely, the service life of the highway subgrade is short, the highway subgrade can deform when being pressed by heavy objects, and the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a long-life highway subgrade structure not easy to deform.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a non-deformable long-life highway subgrade structure comprises a subgrade body, wherein an anti-slip layer is fixedly connected to the inner top of the subgrade body, a sun-proof layer is fixedly connected to the lower end of the anti-slip layer, a waterproof layer is fixedly connected to the lower end of the sun-proof layer, a fireproof layer is fixedly connected to the lower end of the waterproof layer, a mixed soil layer is fixedly connected to the lower end of the fireproof layer, a heat-insulating layer is fixedly connected to the lower end of the mixed soil layer, a subgrade bottom layer is arranged at the lower end of the heat-insulating layer, a shock-absorbing layer is fixedly connected to the lower end of the subgrade bottom layer, a concrete layer is fixedly connected to the lower end of the subgrade body, a first supporting plate is fixedly connected to the lower end of the mixed soil layer, telescopic rods are fixedly connected to the left side and the right side of the lower end of the first supporting plate, a telescopic cylinder is fixedly connected to the lower end of the telescopic cylinder, a second supporting plate is fixedly connected to the middle part of the upper end of the second supporting plate, the middle part of the fixed rod is provided with a clip spring.

As a further description of the above technical solution:

the fixed rod is arranged in the middle of the first supporting plate and the second supporting plate.

As a further description of the above technical solution:

the bottom of the heat-insulating layer is in contact with the bottom layer of the roadbed.

As a further description of the above technical solution:

and anti-skid lines are arranged at the top of the anti-skid layer.

As a further description of the above technical solution:

the top of the first supporting plate is in contact with the bottom of the soil layer.

As a further description of the above technical solution:

the telescopic rod is arranged inside the telescopic cylinder.

As a further description of the above technical solution:

and a shock absorption pad is arranged in the shock absorption layer.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first through at the road bed body, be provided with the skid resistant course in the inside of road bed body, sun-proof layer is installed to the skid resistant course lower part, and the waterproof layer is installed to sun-proof layer lower part, and the flame retardant coating is installed to the waterproof layer downside, and the flame retardant coating lower part is provided with muddy dirt bed, and muddy dirt bed lower part is provided with the heat preservation, under its combined action, has realized improving the life extension to the road basic body.

2. The utility model discloses in, install first backup pad through the lower extreme at the road bed body, the telescopic link is all installed to first backup pad lower part both sides, and telescopic cylinder is being connected to the telescopic link lower extreme, and the second backup pad is being connected to telescopic cylinder lower extreme, has the dead lever at the mid-mounting of first backup pad and second backup pad, and the middle part of dead lever is provided with back the shape spring, has realized that this road bed body can not warp when receiving the heavy object pressure, has increaseed road bed body's practicality.

Drawings

Fig. 1 is a front view of a non-deformable long-life highway subgrade structure provided by the utility model;

fig. 2 is an internal structure diagram of a non-deformable long-life highway subgrade structure provided by the utility model;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a roadbed body; 2. an anti-slip layer; 3. a sunscreen layer; 4. a waterproof layer; 5. a fire barrier layer; 6. a muddy soil layer; 7. a heat-insulating layer; 8. a roadbed bottom layer; 9. a telescopic rod; 10. a telescopic cylinder; 11. a second support plate; 12. fixing the rod; 13. a clip spring; 14. a first support plate; 15. a shock-absorbing layer; 16. a layer of earthen soil.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that 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 of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a non-deformable long-life highway subgrade structure comprises a subgrade body 1, an anti-skid layer 2 is fixedly connected to the inner top of the subgrade body 1, a sun-proof layer 3 is fixedly connected to the lower end of the anti-skid layer 2, a waterproof layer 4 is fixedly connected to the lower end of the sun-proof layer 3, a fireproof layer 5 is fixedly connected to the lower end of the waterproof layer 4, a mixed soil layer 6 is fixedly connected to the lower end of the fireproof layer 5, a heat preservation layer 7 is fixedly connected to the lower end of the mixed soil layer 6, a subgrade bottom layer 8 is arranged below the heat preservation layer 7, a damping layer 15 is fixedly connected to the lower end of the subgrade bottom layer 8, the anti-skid layer 2 is arranged inside the subgrade body 1 firstly, the sun-proof layer 3 is arranged below the sun-proof layer 3, the fireproof layer 5 is arranged below the waterproof layer 4, the mixed soil layer 6 is arranged below the fireproof layer 5, the mixed soil layer 6 is provided with the heat preservation layer 7, the service life of the roadbed body 1 is prolonged, the lower end of the roadbed body 1 is fixedly connected with a soil layer 16, the lower end of the soil layer 16 is fixedly connected with a first supporting plate 14, the left side and the right side of the lower end of the first supporting plate 14 are fixedly connected with telescopic rods 9, the lower end of the telescopic rod 9 is fixedly connected with a telescopic cylinder 10, the lower end of the telescopic cylinder 10 is fixedly connected with a second supporting plate 11, the middle part of the upper end of the second supporting plate 11 is fixedly connected with a fixed rod 12, the middle part of the fixed rod 12 is provided with a clip spring 13, the lower end of the telescopic rod 9 is connected with the telescopic cylinder 10, the lower end of the telescopic cylinder 10 is connected with the second supporting plate 11, the fixed rod 12 is arranged between the first supporting plate 14 and the second supporting plate 11, the middle part of the fixed rod 12 is provided with the clip spring 13, so that the roadbed body 1 can not deform when being pressed by heavy objects, the practicability of the roadbed body 1 is enhanced.

Dead lever 12 sets up at

first backup pad

14 and 11 middle parts of second backup pad, the bottom and the 8 contacts of road bed bottom of heat preservation 7, the top of skid resistant course 2 is provided with anti-skidding line, the top of first backup pad 14 and the bottom contact of dirt bed 16, telescopic link 9 sets up the inside at telescopic cylinder 10, the inside shock pad that is provided with of shock pad 15, can increase the frictional force of vehicle and highway subgrade, can prevent the humidity on ground through setting up dampproofing the pad, corrode highway subgrade body 1, the life of highway subgrade body 1 has been prolonged.

The working principle is as follows: firstly, an anti-skid layer 2 is arranged in a roadbed body 1, a sun-proof layer 3 is arranged on the lower portion of the anti-skid layer 2, a waterproof layer 4 is arranged on the lower portion of the sun-proof layer 3, a fireproof layer 5 is arranged on the lower side of the waterproof layer 4, a mixed soil layer 6 is arranged on the lower portion of the fireproof layer 5, a heat preservation layer 7 is arranged on the lower portion of the mixed soil layer 6, under the combined action of the anti-skid layer and the sun-proof layer, service life of the roadbed body 1 is prolonged, a first supporting plate 14 is arranged at the lower end of the roadbed body 1, telescopic rods 9 are arranged on two sides of the lower portion of the first supporting plate 14, the lower end of each telescopic rod 9 is connected with a telescopic cylinder 10, the lower end of each telescopic cylinder 10 is connected with a second supporting plate 11, a fixing rod 12 is arranged in the middle of the first supporting plate 14 and the second supporting plate 11, a return spring 13 is arranged in the middle of each fixing rod 12, and therefore, the roadbed body 1 cannot deform when being pressed by heavy objects, the practicability of the roadbed body 1 is enhanced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a non-deformable's long-life highway roadbed structure, includes roadbed body (1), its characterized in that: the anti-skid layer (2) is fixedly connected to the inner top of the roadbed body (1), the sun-proof layer (3) is fixedly connected to the lower end of the anti-skid layer (2), the waterproof layer (4) is fixedly connected to the lower end of the sun-proof layer (3), the fireproof layer (5) is fixedly connected to the lower end of the waterproof layer (4), the mixed soil layer (6) is fixedly connected to the lower end of the fireproof layer (5), the heat preservation layer (7) is fixedly connected to the lower end of the mixed soil layer (6), the roadbed bottom layer (8) is arranged at the lower end of the heat preservation layer (7), the shock absorption layer (15) is fixedly connected to the lower end of the roadbed bottom layer (8), the soil layer (16) is fixedly connected to the lower end of the roadbed body (1), the first supporting plate (14) is fixedly connected to the lower end of the first supporting plate (14), the telescopic rod (9) is fixedly connected to the left side and the right side, the telescopic cylinder (10) is fixedly connected to the lower end of the telescopic rod (9), the telescopic cylinder is characterized in that a second supporting plate (11) is fixedly connected to the lower end of the telescopic cylinder (10), a fixing rod (12) is fixedly connected to the middle of the upper end of the second supporting plate (11), and a clip-shaped spring (13) is arranged in the middle of the fixing rod (12).

2. A non-deformable long life highway subgrade structure according to claim 1, characterized in that: the fixing rod (12) is arranged in the middle of the first supporting plate (14) and the second supporting plate (11).

3. A non-deformable long life highway subgrade structure according to claim 1, characterized in that: the bottom of the heat-insulating layer (7) is in contact with the roadbed bottom layer (8).

4. The long life highway subgrade structure of claim 1, which is not easy to deform, characterized in that: the top of the anti-skid layer (2) is provided with anti-skid lines.

5. A non-deformable long life highway subgrade structure according to claim 1, characterized in that: the top of the first support plate (14) is in contact with the bottom of the layer of dirt (16).

6. A non-deformable long life highway subgrade structure according to claim 1, characterized in that: the telescopic rod (9) is arranged inside the telescopic cylinder (10).

7. A non-deformable long life highway subgrade structure according to claim 1, characterized in that: and a shock absorption pad is arranged in the shock absorption layer (15).