Highway subgrade anti-settlement device

Abstract

The utility model provides an anti-settlement device for a highway subgrade, and belongs to the technical field of highway subgrades. Comprising a geogrid, a fixed box and a movable box are arranged on the lower end face of the geogrid in a matched mode, a plurality of anchoring piles are arranged at the bottom of the movable box, a base plate is installed in the movable box, a plurality of supporting pieces are elastically installed on the upper end face of the base plate, and the fixed box vertically and slidably covers the top of the movable box. And the fixing box is supported by the multiple supporting pieces, and the upper end face of the fixing box is supported on the lower end face of the geogrid. The number of the anchoring piles is two, and the anchoring piles vertically penetrate through the two ends of the bottom of the movable box. And the lower end of the anchoring pile is a vertically downward conical puncture part. The structure is simple in process, short in construction period and low in cost, has an elastic structure for buffering, is favorable for prolonging the service life of a road and reducing the maintenance cost, and is high in economic benefit.

Description

TECHNICAL FIELD

[0001] The utility model relates to highway subgrade technical field, especially a highway subgrade anti -settlement device. BACKGROUND

[0002] Highway subgrade refers to the basis of highway pavement, and is a soil work construction formed by excavation or filling. Due to various reasons, such as long service life or natural disasters, the subgrade may settle. In order to prevent the subgrade from settling, an anti-settlement device is used.

[0003] At present, the existing highway subgrade anti-settlement device is mostly composed of multiple layers of grids, concrete columns, positioning columns and anti-settlement plates. The subgrade is supported by the concrete columns, positioning columns and anti-settlement plates, and the impact on the subgrade is evenly distributed by the multiple layers of grids, so that the subgrade is not easy to settle and be damaged. However, the structure of this highway subgrade settlement device is complex, and it is relatively cumbersome to install. It needs to be carried out in multiple processes in sequence, which leads to a complex installation process, requires high construction precision and coordination, and causes a long construction period and high cost.

[0004] Therefore, the present application provides a highway subgrade anti-settlement device to meet the needs. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide a highway subgrade anti-settlement device to solve the problem of complex installation process of the existing subgrade anti-settlement device, which leads to a long construction period and high cost.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A highway subgrade anti-settlement device, comprising a geogrid, a fixed box and a movable box are matched with the lower end surface of the geogrid, a plurality of anchor piles are arranged on the bottom of the movable box, a base plate is installed in the movable box, a plurality of supporting pieces are elastically installed on the upper end surface of the base plate, the fixed box vertically slides and covers the top of the movable box and is supported through the plurality of supporting pieces, and the upper end surface of the fixed box is supported on the lower end surface of the geogrid.

[0008] Optionally, the anchor piles are provided with two and vertically penetrate the two ends of the bottom of the movable box.

[0009] Optionally, the lower end of the anchor pile is a vertical downward conical piercing part.

[0010] Optionally, the lower end surface of the base plate abuts against the top of the plurality of anchor piles.

[0011] Optionally, a plurality of installation grooves are formed on the upper end surface of the base plate, and the supporting pieces are elastically installed in the installation grooves.

[0012] Optionally, the support sheet is an arc-shaped sheet structure with a middle arch, two lower ends of the support sheet extend into two ends of the mounting groove, and a spring is fixed to each of the two lower ends of the support sheet, and the spring abuts against the end side wall of the mounting groove.

[0013] Optionally, a vertical positioning stud is fixed to the upper end face of the fixed box, the positioning stud vertically penetrates the geogrid to form positioning.

[0014] Optionally, a fastening nut is matched with the positioning stud, and the fastening nut and the fixed box cooperate to form clamping and fixing of the geogrid.

[0015] Optionally, an external thread is arranged on the surface of the positioning stud, and an internal thread is arranged in the fastening nut.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the above scheme, the geogrid, the fixed box, the movable box and the anchor pile are arranged to directly form an anti-settling structure, quickly form a support structure for the highway subgrade during construction, simplify the construction process, reduce the anti-settling construction period, and reduce the cost.

[0018] In the above scheme, the base plate and the support sheet are arranged in the movable box to form elastic support for the highway subgrade in cooperation with the anchor pile and the fixed box, better dynamic load adaptability is improved, dynamic load generated during vehicle driving can be effectively absorbed and dispersed, instantaneous impact force on the subgrade is reduced, fatigue damage of the subgrade and the pavement is reduced, the service life of the highway is prolonged, long-term maintenance cost of the highway is reduced, and economic benefits are improved.

[0019] In summary, the device has simple process, short construction period, low cost, elastic structure buffer, prolonged service life of the highway, reduced maintenance cost and high economic benefits. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated herein and forming part of the specification show embodiments of the utility model, and together with the specification further serve to explain the principles of the utility model and enable a person skilled in the relevant art to implement and use the utility model.

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is an internal structural schematic view of the utility model;

[0023] Figure 3The fixed box and the movable box of the utility model are shown in the structure splitting schematic view.

[0024] Figure 4 The utility model discloses Figure 3 The enlarged schematic view of the structure at A in the middle.

[0025] [Reference signs]

[0026] 1, geogrid;2, fixed box;3, movable box;4, anchor pile;5, base plate;501, mounting groove;6, supporting sheet;601, spring;7, positioning stud;8, fastening nut.

[0027] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the devices and environment can be adjusted or modified by the ordinary skilled in the art according to the specific needs. DETAILED DESCRIPTION

[0028] The highway roadbed anti-settling device provided by the utility model will be described in detail below in combination with the drawings and specific embodiments. It should be noted that the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by the skilled in the art to implement some known technologies, and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the utility model.

[0029] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of the skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).

[0030] Generally, the terms can be understood at least partly from the use in the context. For example, depending at least partly on the context, the term "one or more" used herein can be used to describe any feature, structure or characteristic in the singular sense or can be used to describe a combination of features, structures or characteristics in the plural sense. In addition, the term "based on" can be understood as not necessarily conveying a set of exclusive factors, but can instead allow the existence of other factors not necessarily explicitly described, at least partly depending on the context.

[0031] It will be understood that the terms "on", "above", and "upper" in the present application should be interpreted in the broadest context, such that "on" not only means "directly on" but also includes the meaning of "on" with intervening characteristics or layers therebetween, and "above" or "upper" not only means "above" or "upper" but also can include the meaning of "above" or "upper" without intervening characteristics or layers therebetween.

[0032] In addition, spatially relative terms, such as "under", "below", "lower", "on", "above", "upper", and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can similarly be interpreted accordingly.

[0033] As shown in Figure 1 and Figure 2 The embodiment of the present application provides a highway subgrade anti-settling device, which comprises a geogrid 1, a fixed box 2 and a movable box 3 are matched with the lower end face of the geogrid 1, two anchor piles 4 are arranged at the bottom of the movable box 3, the two anchor piles 4 vertically penetrate through the two ends of the bottom of the movable box 3, and the lower end of the anchor pile 4 is a vertical downward tapered puncture part, which can penetrate out of the bottom of the movable box 3 and is used for inserting into the solid soil layer under the highway subgrade.

[0034] As shown in Figure 3 and Figure 4 A base plate 5 is installed in the movable box 3, three supporting pieces 6 are elastically installed on the upper end face of the base plate 5, the fixed box 2 vertically slides and covers the top of the movable box 3 and is supported through the three supporting pieces 6, and the upper end face of the fixed box 2 is supported on the lower end face of the geogrid 1. Specifically, the lower end face of the base plate 5 abuts against the top of the two anchor piles 4, and three mounting grooves 501 are formed in the upper end face of the base plate 5, and the three supporting pieces 6 are elastically installed in the mounting grooves 501 respectively.

[0035] The supporting piece 6 is an arc-shaped piece structure with a middle part arched, the two lower ends of the supporting piece 6 extend into the two ends of the mounting groove 501, springs 601 are fixed on the two lower ends of the supporting piece 6 respectively, the springs 601 abut against the end side walls of the mounting groove 501, and the elastic installation is formed.

[0036] In addition, the upper end surface of the fixed box 2 is fixed with a vertical positioning stud 7, the positioning stud 7 vertically penetrates the geogrid 1 to form positioning, and a fastening nut 8 is matched on the positioning stud 7, and the fastening nut 8 is matched with the fixed box 2 to form clamping and fixing of the geogrid 1. In the embodiment, the surface of the positioning stud 7 is provided with external threads, and the inside of the fastening nut 8 is provided with internal threads, and the threaded detachable installation is formed.

[0037] The working principle of the utility model provides, the highway subgrade anti-settling device, when using, through the cooperation of geogrid 1, fixed box 2, movable box 3 and anchor pile 4, the anti-settling structure can be directly formed, the support structure of highway subgrade is quickly formed during construction, the construction process is simplified, and the anti-settling construction period is reduced.

[0038] Meanwhile, the anchor pile 4 and the fixed box 2 are connected to form the support of the highway subgrade by arranging the base plate 5 and the supporting sheet 6 in the movable box 3, the elastic buffering effect is provided by the supporting sheet 6, so that better dynamic load adaptability can be improved, the dynamic load (such as impact, vibration) generated during vehicle driving can be effectively absorbed and dispersed, the instantaneous impact force on the subgrade is reduced, the fatigue damage of the subgrade and the pavement is reduced, the service life of the highway is prolonged, the long-term maintenance cost of the highway is reduced, and the economic benefit is improved.

[0039] In summary, the device not only has simple process, short construction period and low cost, but also has elastic structure buffering, which is beneficial to prolong the service life of the highway, reduce the maintenance cost and improve the economic benefit.

[0040] The utility model covers any alternative, modification, equivalent method and scheme made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiments of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, well-known methods, processes, flows, elements and circuits are not described in detail.

[0041] The above only is the preferred implementation mode of the utility model, and it should be pointed out that, for ordinary skilled person in the prior art, on the premise that the principle of the utility model is not departed from, a plurality of improvements and refinements can also be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A highway subgrade settlement prevention device comprising a geogrid, characterized by, The lower end surface of the geogrid is matched with a fixed box and a movable box, the bottom of the movable box is provided with a plurality of anchor piles, a base plate is installed in the movable box, a plurality of supporting pieces are elastically installed on the upper end surface of the base plate, the fixed box vertically slides and covers the top of the movable box and is supported through the plurality of supporting pieces, and the upper end surface of the fixed box is supported on the lower end surface of the geogrid.

2. The highway embankment settlement prevention device according to claim 1, wherein The anchor piles are provided with two and vertically penetrate the two ends of the bottom of the movable box.

3. The highway embankment settlement prevention device of claim 2, wherein, The lower end of the anchor pile is a vertical downward conical puncture part.

4. The highway embankment settlement prevention device according to claim 2, wherein The lower end surface of the base plate abuts against the top of the plurality of anchor piles.

5. The highway embankment settlement prevention device according to claim 1, wherein The upper end surface of the base plate is provided with a plurality of installation grooves, and the supporting pieces are elastically installed in the installation grooves.

6. The highway embankment settlement prevention device of claim 5, wherein, The supporting piece is an arc-shaped piece structure with a middle arch, two lower ends of the supporting piece extend into two ends of the installation groove, springs are fixed on the two lower ends of the supporting piece, and the springs abut against the end wall of the installation groove.

7. The highway embankment settlement prevention apparatus according to claim 1, wherein The upper end surface of the fixed box is fixed with a vertical positioning stud, the positioning stud vertically penetrates the geogrid to form positioning.

8. The highway embankment settlement prevention device of claim 7, wherein, A fastening nut is matched on the positioning stud, the fastening nut is matched with the fixed box to form clamping and fixing of the geogrid.

9. The highway embankment settlement prevention device of claim 8, wherein, The surface of the positioning stud is provided with external threads, and the inside of the fastening nut is provided with internal threads.

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