CN215759246U

CN215759246U - Device for improving flatness of aeolian sand roadbed

Info

Publication number: CN215759246U
Application number: CN202121341789.9U
Authority: CN
Inventors: 王云飞; 王兵; 井文云; 闫海; 张建国; 李彦辉
Original assignee: Third Engineering Co Ltd Of Cccc Third Highway Engineering Co ltd
Current assignee: Third Engineering Co Ltd Of Cccc Third Highway Engineering Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-02-08
Anticipated expiration: 2031-06-17

Abstract

The utility model belongs to the technical field of road construction, and particularly relates to a device for improving the flatness of a wind-blown sand roadbed. All the bottom beam frames are connected and fixed through the fixed connecting upright columns distributed in the front and back direction and the matched bolts; connecting the bottom beam frames into a whole, wherein the bottom of the bottom beam frame is connected with a leveling steel plate; and all the fixed connecting upright columns are connected through the middle connecting beam, so that the sand foundation leveling device forms a triangular truss structure; an auxiliary cross beam is inserted in the middle of the sand foundation leveling device, the top end of the auxiliary cross beam is fixed in the middle of the edge sealing cross beam, and a horizontal adjusting assembly is sleeved in the middle of the auxiliary cross beam. The sand-based leveling plate is adopted to effectively control the flatness and the cross slope of the sand base, and ensure the paving quality of the woven cloth of the sub-base layer so as to ensure the construction quality of the sub-base layer of the pavement.

Description

Device for improving flatness of aeolian sand roadbed

Technical Field

The utility model belongs to the technical field of road construction, and particularly relates to a device for improving the flatness of a wind-blown sand roadbed.

Background

The traditional technology is that a land leveler is adopted for fine leveling, the desert highway subgrade filler is aeolian sand, the aeolian sand in a sand base is not sticky, the shearing resistance is poor, if the tire type land leveler directly walks on the sand base, the shearing stress acting on the sand base enables the surface of the sand base to be loose due to shearing damage, and the device for improving the flatness of the aeolian sand subgrade is provided aiming at the problem.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims to provide a device for improving the flatness of a wind-blown sand roadbed, which has the advantages of simple structure, reasonable design and convenient use, and adopts a sand bed leveling plate to effectively control the flatness of a sand bed, thereby ensuring the paving quality of woven cloth of an underlayer and ensuring the construction quality of the underlayer of a pavement.

In order to achieve the purpose, the utility model adopts the technical scheme that: the sand foundation leveling frame consists of a bottom beam frame, a fixed connecting upright post, a top oblique beam, a middle connecting beam, a leveling steel plate, an auxiliary beam and a horizontal adjusting assembly; all the bottom beam frames are connected and fixed through the fixed connecting upright columns distributed in the front and back direction and the matched bolts; connecting the bottom beam frames into a whole, wherein the bottom of the bottom beam frame is connected with a leveling steel plate; and all the fixed connecting upright columns are connected through the middle connecting beam, so that the sand foundation leveling device forms a triangular truss structure; an auxiliary cross beam is inserted in the middle of the sand foundation leveling device, the top end of the auxiliary cross beam is fixed in the middle of the edge sealing cross beam, and a horizontal adjusting assembly is sleeved in the middle of the auxiliary cross beam.

Preferably, the horizontal adjusting assembly consists of an electric drive box, a driving gear, a U-shaped connecting frame and a counterweight block; the middle of the bottom of the electric drive box is provided with a driving gear, the driving gear is movably clamped in a reserved tooth groove in the middle layer of the auxiliary cross beam, the outer side of the electric drive box is connected with a U-shaped connecting frame, and the U-shaped connecting frame is sleeved on the outer side of the auxiliary cross beam; the bottom of the U-shaped connecting frame is connected with a balancing weight.

Preferably, the back of the leveling steel plate is provided with leveling and flow guiding ribs which are distributed obliquely.

Preferably, the height of the fixed connecting upright post is gradually reduced from the middle to two sides.

Preferably, the top oblique beams at the upper ends of the fixedly connected upright posts form a herringbone structure, and the front top oblique beams and the rear top oblique beams are connected through longitudinal beams.

After adopting the structure, the utility model has the beneficial effects that: the method adopts a mode of paving steel plates at the bottom of a triangular truss, sets a lateral cross slope in advance, and carries out leveling work by the traction of a bulldozer; after the sand-based leveling plate is adopted, the flatness and the transverse slope of the sand base are effectively controlled, and the paving quality of the woven cloth of the sub-base layer is ensured so as to ensure the construction quality of the sub-base layer of the pavement.

Drawings

To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the leveling assembly 7 of the present invention;

FIG. 3 is a schematic view of a flattened steel sheet 5 of the present invention;

description of reference numerals: the bottom beam frame 1, the fixed connection upright post 2, the top oblique beam 3, the middle connecting beam 4, the leveling steel plate 5, the auxiliary cross beam 6, the horizontal adjustment assembly 7, the edge sealing cross beam 8, the reserved tooth grooves 9, the electric drive box 10, the driving gear 11, the U-shaped connecting frame 12, the balancing weight 13 and the leveling guide convex edge 14.

Detailed Description

In order that the objects, aspects and advantages of the utility model will become more apparent, the utility model will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.

Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the sand foundation leveling frame comprises a bottom beam frame 1, a fixed connecting upright post 2, a top oblique beam 3, a middle connecting beam 4, a leveling steel plate 5, an auxiliary cross beam 6 and a horizontal adjusting assembly 7; the bottom beam frames 1 are connected and fixed through the fixed connecting upright posts 2 distributed at the front and the back and matched with bolts; the bottom beam frames 1 are connected into a whole, and the bottom of the bottom beam frame 1 is connected with a leveling steel plate 5; and all the fixedly connected upright columns 2 are connected through the middle connecting beam 4, so that the sand foundation leveling device forms a triangular truss structure; the middle of the sand foundation leveling device is inserted with an auxiliary beam 6, the top end of the auxiliary beam 6 is fixed in the middle of the edge sealing cross beam 8, and a horizontal adjusting component 7 is sleeved in the middle of the auxiliary beam 6.

The horizontal adjusting component 7 consists of an electric drive box 10, a drive gear 11, a U-shaped connecting frame 12 and a balancing weight 13; a driving gear 11 is arranged in the middle of the bottom of the electric drive box 10, the driving gear 11 is movably clamped in a reserved tooth groove 9 in the middle layer of the auxiliary cross beam 6, the outer side of the electric drive box 10 is connected with a U-shaped connecting frame 12, and the U-shaped connecting frame 12 is sleeved on the outer side of the auxiliary cross beam 6; the bottom of the U-shaped connecting frame 12 is connected with a balancing weight 13; the back of the leveling steel plate 5 is provided with leveling and flow guiding convex edges 14 which are distributed obliquely; the height of the fixedly connected upright post 2 is gradually reduced from the middle to two sides; the top oblique beams 3 at the upper ends of the fixedly connected upright columns 2 form a herringbone structure, and the front top oblique beams and the rear top oblique beams 3 are connected through longitudinal beams.

The working principle of the specific embodiment is as follows: connecting a sand foundation leveling frame to a bulldozer according to construction requirements to drag the sand foundation leveling frame forwards, leveling the aeolian sand roadbed through a leveling steel plate 5 at the bottom of the sand foundation leveling frame, wherein the aeolian sand roadbed is easily leveled and inclined due to uneven aeolian sand filling in the leveling process, and in the process, a driving gear 11 in the electric driving box 10 rotates through a level gauge and an electric driving box 10 on a manual auxiliary control horizontal adjusting assembly 7, and the electric driving box translates along an auxiliary cross beam 6 to drive a balancing weight 13 to move under the coordination of a reserved tooth socket 9; the left and right weights of the sand foundation leveling frame are adjusted in time, so that the sand foundation leveling frame is kept horizontal, and the leveling performance of the aeolian sand roadbed leveling is ensured.

After adopting above-mentioned structure, this embodiment beneficial effect does: the method adopts a mode of paving steel plates at the bottom of a triangular truss, sets a lateral cross slope in advance, and carries out leveling work by the traction of a bulldozer; after the sand-based leveling plate is adopted, the flatness and the transverse slope of the sand base are effectively controlled, and the paving quality of the woven cloth of the sub-base layer is ensured so as to ensure the construction quality of the sub-base layer of the pavement.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an improve device of aeolian husky road bed roughness which characterized in that: the sand base leveling frame comprises a bottom beam frame (1), a fixed connecting upright post (2), a top oblique beam (3), a middle connecting beam (4), a leveling steel plate (5), an auxiliary cross beam (6) and a horizontal adjusting component (7); all the bottom beam frames (1) are connected and fixed through the fixed connecting upright posts (2) distributed in the front and back direction and matched with bolts; the bottom beam frames (1) are connected into a whole, and the bottom of the bottom beam frame (1) is connected with a leveling steel plate (5); the fixedly connected upright columns (2) are connected through an intermediate connecting beam (4), so that the sand foundation leveling device forms a triangular truss structure; an auxiliary cross beam (6) is inserted in the middle of the sand foundation leveling device, the top end of the auxiliary cross beam (6) is fixed in the middle of the edge sealing cross beam (8), and a horizontal adjusting assembly (7) is sleeved in the middle of the auxiliary cross beam (6).

2. The device for improving the flatness of the aeolian sand roadbed according to claim 1, wherein: the horizontal adjusting component (7) consists of an electric drive box (10), a drive gear (11), a U-shaped connecting frame (12) and a balancing weight (13); a driving gear (11) is arranged in the middle of the bottom of the electric drive box (10), the driving gear (11) is movably clamped in a reserved tooth groove (9) in the middle layer of the auxiliary cross beam (6), the outer side of the electric drive box (10) is connected with a U-shaped connecting frame (12), and the U-shaped connecting frame (12) is sleeved on the outer side of the auxiliary cross beam (6); the bottom of the U-shaped connecting frame (12) is connected with a balancing weight (13).

3. The device for improving the flatness of the aeolian sand roadbed according to claim 1, wherein: the back of the leveling steel plate (5) is provided with leveling and flow guiding convex edges (14) which are distributed obliquely.

4. The device for improving the flatness of the aeolian sand roadbed according to claim 1, wherein: the height of the fixedly connected upright post (2) is gradually reduced from the middle to two sides.

5. The device for improving the flatness of the aeolian sand roadbed according to claim 1, wherein: the top oblique beams (3) at the upper ends of the fixedly connected upright columns (2) form a herringbone structure, and the front top oblique beams and the rear top oblique beams (3) are connected through longitudinal beams.