Roadbed widening structure

Abstract

The utility model discloses a roadbed widening structure which comprises an outer baffle, a mounting slot is formed in the upper end of an inner baffle, a mounting insertion block is mounted on the inner wall of the mounting slot in an inserted mode, third fixing bolts are mounted on the mounting insertion block and the inner wall of the mounting slot in an inserted mode, and an erecting block is fixedly connected to the upper end of the mounting insertion block. The roadbed widening structure can be fixed through splicing of the supporting frames and supporting of the bolts, the supporting structure is stable, top erecting can be conducted through the erecting blocks, the connecting structure is stronger, the supporting frames and the inner baffles are assembled and disassembled in an inserted mode, the movable blocking blocks can be jacked into the outer baffles by taking out the inner baffles, reinforcement can be assisted, and the roadbed widening structure is convenient to use. And the outer baffles can be transversely combined and installed through the combined insertion blocks, the combined insertion grooves and the fifth fixing bolts, and can be vertically combined through the installation insertion blocks, the third fixing bolts and the installation insertion grooves, so that the combined use is more stable and more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of highway construction, in particular to a subgrade widening structure. Background Technique

[0002] The subgrade refers to a strip-shaped structure built as the foundation of the road surface according to the route position and certain technical requirements. It is the foundation of railways and highways and is a linear structure made of soil or stone materials.

[0003] During the use of the subgrade, due to certain reasons, it is often necessary to widen the subgrade, that is, the so-called subgrade widening. The subgrade widening is divided into two methods: conventional fillers and lightweight concrete. The conventional filler has a large filling volume and occupies a large area. For some already formed subgrades, lightweight concrete is currently often used for direct filling. Although this method has a high cost, it has a small footprint.

[0004] The existing CN211522703U subgrade widening structure increases the stability of the baffle when pouring lightweight concrete by setting a tensioning component and a support component on the slope, and the tensioning component and the support component are located at different positions of the baffle respectively, which further increases the stability of the baffle. However, there are deficiencies. The existing equipment has general support stability, and it is inconvenient to disassemble and assemble parts after pouring, and the pouring stability is not good, and the combined stability is not good, and it is not convenient to use. Therefore, a subgrade widening structure is needed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a subgrade widening structure to solve the problems of general support stability of the subgrade widening structure, inconvenient disassembly and assembly of parts after pouring, poor pouring stability, poor combined stability, and inconvenient use mentioned in the above background technique.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roadbed widening structure, comprising an outer baffle, a roadbed is distributed on the rear side of the outer baffle, and a widening area is distributed between the roadbed and the outer baffle, the inner wall of the outer baffle is plugged and installed with an inner baffle, and the outer wall of the outer baffle is slidably plugged and installed with a movable block, one side of the outer baffle is fixedly connected with a combination plug-in block, and the other side of the outer baffle is provided with a combination slot, the inner wall of the combination slot is plugged and installed with a fifth fixing bolt, the front side of the outer baffle is fixedly connected with a splicing slot, and the inner wall of the splicing slot is plugged and installed with a splicing plug Blocks, a support frame is fixedly connected between the splicing blocks, a limited extrusion block is inserted and installed on the upper end of the splicing slot, and a fourth fixing bolt is inserted and installed on the inner wall of the limited extrusion block and the upper edge of the support frame, a first fixing bolt is inserted and installed on one side of the upper end of the support frame, an installation slot is opened on the upper end of the inner baffle plate, and an installation block is inserted and installed on the inner wall of the installation slot, a third fixing bolt is inserted and installed on the installation block and the inner wall of the installation slot, and a mounting block is fixedly connected to the upper end of the installation block, and a second fixing bolt is inserted and installed on the erection block and one side of the upper end of the outer baffle plate.

[0007] Preferably, the outer baffles are installed by inserting and splicing in the combination slots through combination plug-in blocks, and the combination plug-in blocks are bolt-fixed to the combination slots through fifth fixing bolts.

[0008] Preferably, the inner wall of the outer baffle is a hollow structure, the movable block is a sliding inwardly retracting structure, and the movable block is distributed in a matrix position on the front and rear sides of the outer baffle, and the outer baffle is made of foam material.

[0009] Preferably, the support frame is a mesh trapezoidal structure, and the support frame is installed by splicing slots, splicing blocks and outer baffles in a limited plug-in splicing manner, the support frame is fixed and installed by a fourth fixing bolt, a limiting extrusion block and the splicing slot in a plug-in bolt manner, and the support frame is bolted to the roadbed by a first fixing bolt.

[0010] Preferably, the mounting block is installed by positioning and plugging with the inner baffle through the mounting plug block and the mounting slot, and the mounting plug block is bolted and installed with the mounting slot through the third fixing bolt, and the inner baffle is mounted by the mounting block and the second fixing bolt and the outer baffle, and the mounting block is a mesh hollow structure.

[0011] Preferably, the inner baffle plate and the outer baffle plate are installed by plugging and splicing, and the inner baffle plates are installed by overlapping and splicing through installation plug blocks and installation slots.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The roadbed widening structure can be spliced and bolt-supported and fixed by the support frame, with a stable support structure. Moreover, the top can be erected through the erection block, with a stronger connection structure. In addition, the support frame and the inner baffle can be inserted and disassembled, and the movable plug block can be pushed into the outer baffle by taking out the inner baffle, and auxiliary reinforcement can be carried out, making the installation more stable. Furthermore, the outer baffle can be horizontally assembled and installed through the combined insertion block, combined insertion slot, and fifth fixing bolt, and can be vertically combined through the installation insertion block, third fixing bolt, and installation slot, making the combined use more stable and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view of a roadbed widening structure of the present utility model;

[0014] Figure 2 is the schematic diagram of the internal structure of a roadbed widening structure of the present utility model;

[0015] Figure 3 is the schematic diagram of the combined connection of the outer baffle of a roadbed widening structure of the present utility model;

[0016] Figure 4 is a roadbed widening structure of the present utility model Figure 2 enlarged view of part A;

[0017] Figure 5 is a roadbed widening structure of the present utility model Figure 2 enlarged view of part B;

[0018] Figure 6 is a roadbed widening structure of the present utility model Figure 2 enlarged view of part C;

[0019] Figure 7 is a roadbed widening structure of the present utility model Figure 3 enlarged view of part D.

[0020] In the figure: 1. Outer baffle, 2. Support frame, 3. Roadbed, 4. Erection block, 5. First fixing bolt, 6. Splicing slot, 7. Widening area, 8. Movable plug block, 9. Inner baffle, 10. Second fixing bolt, 11. Installation insertion block, 12. Third fixing bolt, 13. Installation slot, 14. Fourth fixing bolt, 15. Limiting extrusion block, 16. Splicing insertion block, 17. Combined insertion block, 18. Combined insertion slot, 19. Fifth fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-7 , the present invention provides a technical solution: a subgrade widening structure, including an outer baffle 1, a support frame 2, a subgrade 3, an erection block 4, a first fixing bolt 5, a splicing slot 6, a widening area 7, a movable plug 8, an inner baffle 9, a second fixing bolt 10, a mounting insert 11, a third fixing bolt 12, a mounting slot 13, a fourth fixing bolt 14, a limiting extrusion block 15, a splicing insert 16, a combined insert 17, a combined slot 18 and a fifth fixing bolt 19. The subgrade 3 is distributed behind the outer baffle 1, and a widening area 7 is distributed between the subgrade 3 and the outer baffle 1. The outer baffles 1 are inserted and spliced in the combined slots 18 through the combined inserts 17, and the combined inserts 17 are bolt-fixed to the combined slots 18 through the fifth fixing bolts 19, so that the outer baffles 1 can be quickly combined horizontally and are convenient to use.

[0023] The inner wall of the outer baffle 1 is a hollow structure, the movable plug 8 is a sliding and retracting structure, and the movable plugs 8 are distributed in a matrix position on the front and rear sides of the outer baffle 1. The outer baffle 1 is made of foam material, so that the outer baffle 1 can be used for auxiliary reinforcement after the inner baffle 9 is taken out, and the installation is stable. The inner baffle 9 is inserted and installed in the inner wall of the outer baffle 1, and the movable plug 8 is slidably inserted and installed on the outer wall of the outer baffle 1. The inner baffle 9 is inserted and spliced with the outer baffle 1, and the inner baffles 9 are stacked and spliced through the mounting inserts 11 and the mounting slots 13, so that the inner baffle 9 is convenient for quick pulling and disassembling, and can be stacked and combined, which is convenient for adjustment.

[0024] One side of the outer baffle 1 is fixedly connected with a combined insert 17, and the other side of the outer baffle 1 is provided with a combined slot 18. The fifth fixing bolt 19 is inserted and installed in the inner wall of the combined slot 18. The front side of the outer baffle 1 is fixedly connected with a splicing slot 6, and the splicing insert 16 is inserted and installed in the inner wall of the splicing slot 6. The support frame 2 is fixedly connected between the splicing inserts 16. The support frame 2 is a reticulated trapezoidal structure, and the support frame 2 is inserted and spliced with the outer baffle 1 through the splicing slot 6 and the splicing insert 16 in a limiting manner. The support frame 2 is inserted and bolt-fixed to the splicing slot 6 through the fourth fixing bolt 14 and the limiting extrusion block 15, and the support frame 2 is bolt-fixed to the subgrade 3 through the first fixing bolt 5, so that the support frame 2 can be quickly disassembled and assembled, and the support is more stable.

[0025] A limiting extrusion block 15 is inserted and installed at the upper end of the splicing slot 6, and a fourth fixing bolt 14 is inserted and installed between the inner wall of the limiting extrusion block 15 and the upper edge of the support frame 2. A first fixing bolt 5 is inserted and installed on one side of the upper end of the support frame 2. An installation slot 13 is formed at the upper end of the inner baffle 9, and an installation insert block 11 is inserted and installed on the inner wall of the installation slot 13. A third fixing bolt 12 is inserted and installed between the installation insert block 11 and the inner wall of the installation slot 13, and an erection block 4 is fixedly connected to the upper end of the installation insert block 11. The erection block 4 is inserted and installed in a positioning manner with the inner baffle 9 through the installation insert block 11 and the installation slot 13, and the installation insert block 11 is bolt-fixed to the installation slot 13 through the third fixing bolt 12. The inner baffle 9 is erected and installed with the outer baffle 1 through the erection block 4 and the second fixing bolt 10, and the erection block 4 is of a net-shaped hollow structure, so that the erection block 4 is convenient for quick insertion, disassembly and auxiliary reinforcement. A second fixing bolt 10 is inserted and installed between the erection block 4 and one side of the upper end of the outer baffle 1.

[0026] Working principle: When using this subgrade widening structure, first insert the inner baffle 9 of the device into the outer baffle 1, then erect it on one side of the subgrade 3, then install the erection block 4 on the inner baffle 9 through the installation insert block 11, the third fixing bolt 12 and the installation slot 13 in a positioning and bolting manner, then fix and support the outer baffle 1 to the subgrade 3 through the second fixing bolt 10, then insert and splice the support frame 2 with the outer baffle 1 through the splicing slot 6 and the splicing insert block 16, and then lock and fix it through the fourth fixing bolt 14 and the limiting extrusion block 15. Then insert and splice and combine the outer baffles 1 through the combined insert block 17, the combined slot 18 and the fifth fixing bolt 19, and then pour through the erection block 4. When disassembling, the erection block 4 and the support frame 2 can be removed, then the inner baffle 9 can be pulled out, and then pour on the outer wall of the outer baffle 1, so that the movable plug block 8 is pushed into the outer baffle 1, and the material is respectively injected into the outer baffle 1 for auxiliary reinforcement. This is the use process of this subgrade widening structure.

[0027] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A subgrade widening structure, including an outer baffle (1), the subgrade (3) is distributed behind the outer baffle (1), and a widening area (7) is distributed between the subgrade (3) and the outer baffle (1), characterized in that: The inner wall of the outer baffle (1) is plugged and installed with an inner baffle (9), and the outer wall of the outer baffle (1) is slidably plugged and installed with a movable block (8), one side of the outer baffle (1) is fixedly connected with a combination plug block (17), and the other side of the outer baffle (1) is provided with a combination slot (18), the inner wall of the combination slot (18) is plugged and installed with a fifth fixing bolt (19), the front side of the outer baffle (1) is fixedly connected with a splicing slot (6), and the inner wall of the splicing slot (6) is plugged and installed with a splicing plug block (16), a support frame (2) is fixedly connected between the splicing plug blocks (16), and a limited extrusion block is plugged and installed at the upper end of the splicing slot (6). (15), and a fourth fixing bolt (14) is inserted and installed on the inner wall of the limiting extrusion block (15) and the upper edge of the support frame (2), a first fixing bolt (5) is inserted and installed on one side of the upper end of the support frame (2), a mounting slot (13) is opened at the upper end of the inner baffle plate (9), and a mounting block (11) is inserted and installed on the inner wall of the mounting slot (13), a third fixing bolt (12) is inserted and installed on the mounting block (11) and the inner wall of the mounting slot (13), and the upper end of the mounting block (11) is fixedly connected to the mounting block (4), and the mounting block (4) and one side of the upper end of the outer baffle plate (1) are inserted and installed with a second fixing bolt (10).

2. The subgrade widening structure according to claim 1, characterized in that: The outer baffles (1) are installed by inserting and splicing in the combination slots (18) through the combination plug-in blocks (17), and the combination plug-in blocks (17) are bolt-fixed to the combination slots (18) through fifth fixing bolts (19).

3. The subgrade widening structure according to claim 2, characterized in that: The inner wall of the outer baffle (1) is a hollow structure, the movable block (8) is a sliding inwardly retracting structure, and the movable block (8) is distributed in a matrix position on the front and rear sides of the outer baffle (1), and the outer baffle (1) is made of foam material.

4. A subgrade widening structure according to claim 3, characterized in that: The support frame (2) is a mesh trapezoidal structure, and the support frame (2) is installed by limited insertion and splicing with the outer baffle (1) through a splicing slot (6) and a splicing plug block (16), the support frame (2) is fixedly installed by plugging and bolting with the splicing slot (6) through a fourth fixing bolt (14) and a limiting extrusion block (15), and the support frame (2) is bolted to the roadbed (3) through a first fixing bolt (5).

5. A subgrade widening structure according to claim 4, characterized in that: The mounting block (4) is installed in a positioning and plug-in manner with the inner baffle (9) through the mounting plug block (11) and the mounting slot (13), and the mounting plug block (11) is bolt-fixed with the mounting slot (13) through the third fixing bolt (12), and the inner baffle (9) is mounted in a mounting manner with the outer baffle (1) through the mounting block (4) and the second fixing bolt (10), and the mounting block (4) is a mesh hollow structure.

6. The subgrade widening structure according to claim 5, characterized in that: The inner baffle (9) and the outer baffle (1) are installed by plugging and splicing, and the inner baffles (9) are installed by overlapping and splicing through installation plug blocks (11) and installation slots (13).

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