Settlement prevention structure for half-filled and half-excavated high fill roadbed

Abstract

The utility model discloses an anti-settlement structure for a half-cut and half-cut high fill subgrade, which comprises a cross support frame, the top end of the cross support frame is connected with a connecting stud in a sliding manner, the bottom end of the cross support frame is connected with an internal thread barrel in a rotating manner, and a lifting mechanism is arranged between the connecting stud and the cross support frame; when a high fill roadbed is constructed, a plurality of cross-shaped supporting frames are connected to form a transverse and longitudinal net-shaped arrangement structure to serve as a supporting framework for construction landfill, after landfill is completed, the landfill position is compacted, then a second layer is subjected to landfill, and when second landfill is carried out, the connecting studs are lifted through the lifting mechanism, so that the second layer is subjected to the second-layer landfill, and the cross-shaped supporting frames are connected to form the net-shaped arrangement structure. When the supporting structure is used, the supporting structure is ejected out of the surface layer and is in threaded connection with the internal thread sleeves at the bottom ends of the multiple cross-shaped supporting frames to be placed on the second layer, so that the supporting structures between layers can be connected together, the stability of the whole structure is improved, and a better anti-settling effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high fill roadbed technical field especially relates to a kind of anti-settling structures for half fill half cut high fill roadbed. BACKGROUND

[0002] In road construction, half fill half cut roadbed engineering is a common practice form, this engineering form carries out the work of filling and cutting combination in certain section, to achieve the purpose of land leveling and road construction. However, in the actual construction process, due to the influence of geological conditions, construction technology, material selection and other factors, half fill half cut high fill roadbed often appears settlement phenomenon. This settlement not only affects the service performance of road, but also may pose a threat to driving safety. Therefore, it is of great significance to research and develop anti-settling structure for half fill half cut high fill roadbed.

[0003] The existing anti-settling structure for half fill half cut high fill roadbed needs to dig steps on the original ground at the filling and cutting interface after starting, the width of the steps is not less than a specified value (such as 2 meters or 4 meters, etc.), the filler is layered and spread from low to high, then after each layer of filling is completed, a suitable road roller is used for rolling, and skeleton support is needed during filling. When each layer is separately laid with support structure for filling, then compaction, it will lead to weak connectivity of the whole support structure, but when the support structure is built on one side to ensure the completeness of the support skeleton, it is blocked by the support structure after each layer of filling is completed, so it cannot be compacted. SUMMARY

[0004] The purpose of the present application is to provide an anti-settling structure for half fill half cut high fill roadbed to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-settling structure for half fill half cut high fill roadbed, comprising a cross support frame, a connecting stud is slidably connected to the top end of the cross support frame, an internally threaded sleeve is rotatably connected to the bottom end of the cross support frame, and a lifting mechanism is provided between the connecting stud and the cross support frame.

[0006] As a further description of the above technical scheme: a sharp corner is fixedly installed at the bottom of the cross support frame.

[0007] As a further description of the above technical scheme: the lifting mechanism comprises an adjusting screw, the adjusting screw is rotatably installed inside the cross support frame, the adjusting screw is threadedly connected with the connecting stud, sliding blocks are fixedly installed on both sides of the bottom of the connecting stud, slide grooves are formed in the inner walls on both sides of the top of the cross support frame, and the two sliding blocks are slidably installed in the slide grooves, respectively.

[0008] As the further description of the above technical scheme: the bottom of the adjusting screw is fixedly provided with a first bevel gear, one side of the first bevel gear is provided with a second bevel gear, the second bevel gear is rotatably arranged in the cross support frame, a rotating rod is fixedly arranged on the second bevel gear, one end of the rotating rod away from the second bevel gear is rotatably provided with a driving rod, one end of the driving rod is fixedly connected with a driving block, and a driving groove is arranged in the rotating rod.

[0009] As the further description of the above technical scheme: one end of the cross support frame in the horizontal direction is rotatably connected with an external thread sleeve, the external thread sleeve is threadedly connected with the other end of the cross support frame, two connecting rods are slidably arranged in the cross support frame, and the two ends of the two connecting rods are fixedly provided with top blocks.

[0010] As the further description of the above technical scheme: two limiting pieces are fixedly arranged in the cross support frame, one of the limiting pieces is slidably connected with the driving rod, and the other limiting piece is rotatably connected with the rotating rod.

[0011] As the further description of the above technical scheme: connecting sleeves are fixedly arranged at the centers of the two sides of the cross support frame.

[0012] The utility model provides a kind of anti-settling structure for half fill half cut high fill embankment.It has the following beneficial effects: when carrying out high fill embankment construction, by connecting multiple cross support frames, form the net-like arrangement structure of horizontal and vertical, as the support framework of construction landfill, after landfill is completed, the landfill is compacted, then fill the second layer, when carrying out second landfill, by lifting mechanism, connect stud is lifted, and the inner thread sleeve of the bottom end of multiple cross support frames to be placed in second layer is screwed, so that the support structure between layer and layer can be connected together, increase the stability of entire structure, also can have better anti-settling effect.

[0013] It should be understood that the foregoing general description and the following detailed description are merely exemplary and explanatory, rather than limiting the present disclosure.

[0014] The present application provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The overall structure schematic diagram of the anti-settling structure for half fill half cut high fill embankment is provided.

[0016] Figure 2 Another form of structure schematic view of the utility model;

[0017] Figure 3 Three-dimensional cut structure schematic view of the utility model;

[0018] Figure 4 Three-dimensional explosion structure schematic view of the utility model;

[0019] Figure 5 Three-dimensional explosion structure schematic view of the utility model rotating rod.

[0020] Legend:

[0021] 1, cross support frame; 2, connecting stud; 3, internal thread sleeve; 4, sharp corner; 5, adjusting screw; 6, sliding block; 7, sliding groove; 8, first bevel gear; 9, second bevel gear; 10, rotating rod; 11, drive rod; 12, drive block; 13, drive slot; 14, external thread sleeve; 15, connecting rod; 16, top block; 17, limiting sheet; 18, connecting sleeve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Reference Figures 1-5 A kind of anti-settling structure for half fill half cut high fill subgrade, including cross support frame 1, the top end of the cross support frame 1 is slidably connected with connecting stud 2, the bottom of the cross support frame 1 is rotatably connected with internal thread sleeve 3, lifting mechanism is arranged between the connecting stud 2 and the cross support frame 1;When carrying out high fill subgrade construction, by connecting multiple cross support frames 1, form the net-like arrangement structure of horizontal and vertical, as the support framework of construction landfill, after landfill is completed, compact the landfill, then fill the second layer, when carrying out second landfill, connecting stud 2 is lifted by lifting mechanism, eject the surface layer, and the internal thread sleeve 3 of the bottom of multiple cross support frames 1 to be placed in the second layer is threadedly connected, so that the support structure between layer and layer can be connected together, increase the stability of entire structure, also can have better anti-settling effect.

[0024] As a preferred technical solution of the embodiment, the bottom of the cross support frame 1 is fixedly installed with sharp corner 4;It is convenient to set in the cross support frame 1 of the bottom layer and nail into the ground.

[0025] As a preferred technical scheme of the embodiment, the lifting mechanism comprises an adjusting screw 5 rotatably installed inside the cross support frame 1, the adjusting screw 5 is in threaded connection with the connecting stud 2, the bottom of the connecting stud 2 is fixedly provided with a sliding block 6 on each side wall, the top inner wall of the cross support frame 1 is provided with a sliding groove 7 on each side, and the two sliding blocks 6 are slidably installed in the sliding grooves 7, respectively.

[0026] As a preferred technical scheme of the embodiment, the bottom of the adjusting screw 5 is fixedly provided with a first bevel gear 8, one side of the first bevel gear 8 is provided with a second bevel gear 9, the second bevel gear 9 is rotatably installed inside the cross support frame 1, a rotating rod 10 is fixedly installed on the second bevel gear 9, one end of the rotating rod 10 away from the second bevel gear 9 is rotatably provided with a driving rod 11, one end of the driving rod 11 is fixedly connected with a driving block 12, the rotating rod 10 is provided with a driving groove 13 inside, and the driving block 12 is arranged in the driving groove 13; when the connecting stud 2 needs to be lifted, the driving rod 11 is pushed, the driving rod 11 drives the driving block 12 to move horizontally, the driving groove 13 is pushed by the driving block 12, the rotating rod 10 is forced to rotate, the second bevel gear 9 is driven to rotate, the first bevel gear 8 is driven to rotate through the second bevel gear 9, and then the adjusting screw 5 is rotated.

[0027] As a preferred technical scheme of the embodiment, one end of the cross support frame 1 in the horizontal direction is rotatably connected with an external thread sleeve 14, the external thread sleeve 14 is in threaded connection with the other end of the cross support frame 1, two connecting rods 15 are slidably installed inside the cross support frame 1, the two ends of the two connecting rods 15 are fixedly provided with a top block 16, and the top block 16 close to the driving rod 11 is in contact with one end of the driving rod 11; when one cross support frame 1 is connected with another cross support frame 1 through the external thread sleeve 14, the two top blocks 16 at the two ends of the connecting rods 15 inside the two cross support frames 1 abut each other, a plurality of top blocks 16 are driven to move by the impact of the outermost top block 16, the top blocks 16 close to the driving rod 11 inside the plurality of cross support frames 1 extrude the driving rod 11, and the driving rod 11 moves.

[0028] As a preferred technical scheme of the embodiment, two limiting pieces 17 are fixedly installed inside the cross support frame 1, one of the limiting pieces 17 is in sliding connection with the driving rod 11, and the other limiting piece 17 is in rotary connection with the rotating rod 10; the limiting pieces 17 limit the operation modes of the driving rod 11 and the rotating rod 10.

[0029] As a preferred technical scheme of the embodiment, the two sides of the cross support frame 1 are fixedly provided with connecting sleeves 18.

[0030] In the description of the present specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A settlement-prevention structure for a semi-cut semi-fill embankment roadbed, comprising a cross support frame (1), characterized in that: The top end of the cross support frame (1) is slidably connected with a connecting stud (2), and the bottom end of the cross support frame (1) is rotatably connected with an internally threaded sleeve (3), and a lifting mechanism is arranged between the connecting stud (2) and the cross support frame (1).

2. The anti-settling structure for a semi-cut-and-fill embankment subgrade according to claim 1, wherein The bottom of the cross support frame (1) is fixedly installed with a sharp corner (4).

3. The anti-settling structure for a semi-cut-and-fill embankment subgrade according to claim 2, characterized in that, The lifting mechanism comprises an adjusting screw (5) which is rotatably installed inside the cross support frame (1), and is threadedly connected with the connecting stud (2), and the bottom of the connecting stud (2) is fixedly installed with a sliding block (6) on both sides, and the top inner wall of the cross support frame (1) is provided with a sliding groove (7) on both sides, and the two sliding blocks (6) are slidably installed in the sliding grooves (7), respectively.

4. The anti-settling structure for a semi-cut-and-fill embankment subgrade according to claim 3, wherein The bottom of the adjusting screw (5) is fixedly installed with a first bevel gear (8), one side of the first bevel gear (8) is provided with a second bevel gear (9), the second bevel gear (9) is rotatably installed inside the cross support frame (1), a rotating rod (10) is fixedly installed on the second bevel gear (9), and a driving rod (11) is rotatably connected to one end of the rotating rod (10) away from the second bevel gear (9), one end of the driving rod (11) is fixedly connected with a driving block (12), and a driving groove (13) is formed in the rotating rod (10), and the driving block (12) is arranged in the driving groove (13).

5. The anti-settling structure for a semi-cut-and-fill embankment subgrade according to claim 4, wherein One end of the cross support frame (1) in the horizontal direction is rotatably connected with an externally threaded sleeve (14), the externally threaded sleeve (14) is threadedly connected with the other end of the cross support frame (1), two connecting rods (15) are slidably installed inside the cross support frame (1), and top blocks (16) are fixedly installed at both ends of the two connecting rods (15), and the top block (16) close to the driving rod (11) is in contact with one end of the driving rod (11).

6. The anti-settling structure for a semi-cut-and-fill embankment subgrade according to claim 4, wherein Two limiting pieces (17) are fixedly installed inside the cross support frame (1), one of the limiting pieces (17) is slidably connected with the driving rod (11), and the other limiting piece (17) is rotatably connected with the rotating rod (10).

7. The anti-settling structure for a semi-cut-and-fill embankment subgrade according to claim 4, wherein The center of both sides of the cross support frame (1) is fixedly installed with a connecting sleeve (18).

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