New and old roadbed splicing structure

Abstract

The utility model discloses a new and old roadbed splicing structure, which is characterized in that the splicing part of an old roadbed and a new roadbed is in a step shape, a matching mechanism is arranged on the step of the old roadbed, an anti-deviation guide groove is arranged on the uppermost side of the step surface of the old roadbed, an inclined insertion block is arranged on the lower side of one end of the new roadbed, the inclined insertion block is matched with the anti-deviation guide groove, and the inclined insertion block is matched with the anti-deviation guide groove. A steel bar frame mechanism is arranged in the new roadbed, a positioning steel column is welded between the lower side of the step face of the new roadbed and the steel bar frame mechanism, and a reinforcing rib plate is arranged on the side face of the positioning steel column. The reinforcing steel bar frame mechanism is arranged, the positioning steel column and the reinforcing rib plate are welded on the reinforcing steel bar frame mechanism together, the strength of displacement tension resistance of the positioning steel column is greatly improved, the positioning steel column is more stable and reliable, meanwhile, through double limitation of the inclined inserting block and the adaptive mechanism, a new roadbed and an old roadbed can be firmly locked, and stability is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed construction, in particular to a new and old roadbed splicing structure. Background Art

[0002] The main function of the roadbed is to bear the weight of the fiber seepage of the highway structure layer and the load pavement. The pavement is mainly to improve driving conditions and protect the base layer. As more and more cars are driving on the road, in order to ease traffic pressure and improve the road's traffic capacity, some roads need to be widened. Therefore, a splicing structure is needed to splice the new and old roadbed pavement.

[0003] At present, the splicing strength of the new and old roadbed splicing structure is not ideal. For example, a new and old roadbed pavement splicing structure disclosed in Application No. 202321105743.6 discloses that the splicing locking is achieved by a reinforcement frame and multiple sets of reinforcement ribs, but the structural strength of the reinforcement frame is still relatively low and cannot withstand the lateral offset tension of the steps. It is easy to bend and break. When offset, a large gap will appear at the topmost splicing seam. Therefore, the utility model proposes a new and old roadbed splicing structure to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to propose a new and old roadbed splicing structure. The new and old roadbed splicing structure greatly increases the strength of the positioning steel column to resist displacement tension by setting a steel frame mechanism and welding the positioning steel column and the reinforcing rib plate to the steel frame mechanism, making it more stable and reliable. At the same time, through the dual restrictions of the oblique insertion block and the adapter mechanism, the new and old roadbeds can be firmly locked, further increasing stability.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a new and old roadbed splicing structure, including an old roadbed, a new roadbed, an adaptation mechanism, an anti-drift guide groove, an oblique insertion block, a reinforcement frame mechanism, a positioning steel column and a reinforcing rib plate, the joint between the old roadbed and the new roadbed is stepped, the old roadbed step is provided with an adaptation mechanism, the upper surface of each step is provided with an adaptation mechanism, the uppermost side of the old roadbed step surface is provided with an anti-drift guide groove, the lower side of one end of the new roadbed is provided with an oblique insertion block, the oblique insertion block is adapted to the anti-drift guide groove, the oblique insertion block and the anti-drift guide groove are in an adapted inclined right triangle structure, the new roadbed is embedded with a reinforcement frame mechanism, a positioning steel column is welded between the lower side of the new roadbed step surface and the reinforcement frame mechanism, and a reinforcing rib plate is welded on the side of the positioning steel column.

[0006] Further improvements are as follows: the adaptation mechanism includes an embedded cylinder, an adaptation groove, an open groove and a clamping mechanism; an embedded cylinder is embedded on the step surface of the old roadbed; an adaptation groove is provided on the outside of the embedded cylinder; the adaptation groove is cross-shaped and corresponds to the reinforcing rib plate; an open groove is provided on the upper end of the embedded cylinder corresponding to the adaptation groove; the combination of the adaptation groove and the open groove perfectly adapts to the contour shape of the reinforcing rib plate; a clamping mechanism is provided in the embedded cylinder.

[0007] Further improvements are as follows: the clamping mechanism includes an inner shrinkage groove and an elastic metal sheet, the lower end of the inner wall of the embedded cylinder is symmetrically recessed inward to provide an inner shrinkage groove, an elastic metal sheet is provided in the inner shrinkage groove, the elastic metal sheet is in an inclined L-shape and the upper end is fixed to the upper side surface of the shrinkage groove, the lower end of the positioning steel column is in an inclined shape, and a clamping groove is provided at the lower end of the side surface of the positioning steel column, and the clamping groove is clamped and adapted to the elastic metal sheet.

[0008] Further improvements are: the steel frame structure includes a transverse frame and a longitudinal frame, the transverse frame and the longitudinal frame are staggeredly distributed inside the new roadbed, the transverse frame and the longitudinal frame are welded and staggered, the positioning steel column is located on the lower side of the step surface of the new roadbed and welded at the intersection of the transverse frame and the longitudinal frame, and the reinforcing rib plate is welded along the transverse frame and the longitudinal frame.

[0009] A further improvement is that paving grooves are provided on both sides of the joint between the old roadbed and the new roadbed, glass fiber mesh cloth is laid in the paving grooves, and the glass fiber mesh cloth is bonded and connected by high-viscosity asphalt.

[0010] The beneficial effects of the utility model are as follows: the utility model greatly increases the strength of the positioning steel column in resisting displacement tension by setting a steel frame mechanism and welding the positioning steel column and the reinforcing rib plate to the steel frame mechanism, making it more stable and reliable; at the same time, through the dual restrictions of the oblique insert block and the adapter mechanism, the new and old roadbeds can be firmly locked, further increasing stability, solving the problem of poor splicing strength of the traditional splicing structure through the directly set reinforcement frame positioning, and greatly improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a splicing sectional structural diagram of the utility model.

[0012] Figure 2 This is a cross-sectional structural diagram of the new roadbed of the utility model.

[0013] Figure 3 This is a cross-sectional structural diagram of the old roadbed of the utility model.

[0014] Among them: 1. Old roadbed; 2. New roadbed; 3. Anti-deviation guide groove; 4. Oblique insertion block; 5. Positioning steel column; 6. Reinforcement rib plate; 7. Embedded tube; 8. Adapter groove; 9. Open groove; 10. Retracted groove; 11. Elastic metal sheet; 12. Card groove; 13. Transverse frame; 14. Longitudinal frame; 15. Laying groove; 16. Fiberglass mesh cloth. DETAILED DESCRIPTION

[0015] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0016] according to Figure 1 , Figure 2 and Figure 3 As shown, the present embodiment provides a new and old roadbed splicing structure, including an old roadbed 1, a new roadbed 2, an adapting mechanism, an anti-drifting guide groove 3, an oblique insertion block 4, a reinforcement frame mechanism, a positioning steel column 5 and a reinforcing rib plate 6. The splicing portion of the old roadbed 1 and the new roadbed 2 is stepped, an adapting mechanism is provided on the steps of the old roadbed 1, and an adapting mechanism is provided on the upper surface of each step. An anti-drifting guide groove 3 is provided on the uppermost side of the step surface of the old roadbed 1, an oblique insertion block 4 is provided on the lower side of one end of the new roadbed 2, the oblique insertion block 4 is adapted to the anti-drifting guide groove 3, and the oblique insertion block and the anti-drifting guide groove are in an adapted inclined right triangle structure, a reinforcement frame mechanism is embedded in the new roadbed 2, a positioning steel column 5 is welded between the lower side of the step surface of the new roadbed 2 and the reinforcement frame mechanism, and a reinforcing rib plate 6 is welded on the side of the positioning steel column 5 to increase the force strength of the positioning steel column.

[0017] The adaptation mechanism includes an embedded cylinder 7, an adaptation groove 8, an open groove 9 and a clamping mechanism. An embedded cylinder 7 is embedded on the step surface of the old roadbed 1, and an adaptation groove 8 is arranged on the outside of the embedded cylinder 7. The adaptation groove 8 is cross-shaped and corresponds to the reinforcing rib plate 6. An open groove 9 is arranged on the upper end of the embedded cylinder 7 corresponding to the adaptation groove 8. The combination of the adaptation groove and the open groove perfectly adapts to the contour shape of the reinforcing rib plate, and a clamping mechanism is arranged in the embedded cylinder 7.

[0018] The clamping mechanism includes an inner shrinkage groove 10 and an elastic metal sheet 11. The lower end of the inner wall of the embedded tube 7 is symmetrically recessed inward to provide the inner shrinkage groove 10. An elastic metal sheet 11 is provided in the inner shrinkage groove 10. The elastic metal sheet is in an inclined L-shape and the upper end is fixed to the upper side surface of the shrinkage groove. The lower end of the positioning steel column 5 is in an inclined shape. A clamping groove 12 is provided at the lower end of the side surface of the positioning steel column 5. The clamping groove 12 is clamped and adapted with the elastic metal sheet 11 to complete the clamping positioning of the positioning steel column.

[0019] The steel frame structure includes a transverse frame 13 and a longitudinal frame 14. The transverse frame 13 and the longitudinal frame 14 are staggered inside the new roadbed 2. The transverse frame 13 and the longitudinal frame 14 are welded and staggered. The positioning steel column 5 is located on the lower side of the step surface of the new roadbed 2 and is welded at the intersection of the transverse frame 13 and the longitudinal frame 14. The reinforcing rib plate 6 is welded along the transverse frame 13 and the longitudinal frame 14, which greatly enhances the strength of the positioning steel column.

[0020] Paving grooves 15 are arranged on both sides of the joint between the old roadbed 1 and the new roadbed 2. Glass fiber mesh cloth 16 is laid in the paving grooves 15. The glass fiber mesh cloth 16 is bonded by high-viscosity asphalt to avoid cracking in the gap between the new roadbed and the old roadbed.

[0021] When the new and old roadbed splicing structure is used, the splicing side of the old roadbed is first processed to form a stepped structure that is compatible with the new roadbed. Then an anti-deviated guide groove is opened, and holes are punched at equal intervals on the step surface to embed the embedded tube. Then, opening grooves and adaptation grooves are opened on the side of the embedded tube and the step surface of the old roadbed. Finally, the positioning steel columns of the new roadbed are inserted into the embedded tube clamping columns to complete the splicing. After splicing, multiple layers of fiberglass mesh cloth are laid in the laying groove, and then high-viscosity asphalt is evenly poured on it to complete the construction.

[0022] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A new and old roadbed splicing structure, characterized by: The invention comprises an old roadbed (1), a new roadbed (2), an adapting mechanism, an anti-drift guide groove (3), an oblique insertion block (4), a reinforcement frame mechanism, a positioning steel column (5) and a reinforcing rib plate (6); the joint between the old roadbed (1) and the new roadbed (2) is in a stepped shape; an adapting mechanism is provided on the steps of the old roadbed (1); an anti-drift guide groove (3) is provided on the uppermost side of the stepped surface of the old roadbed (1); an oblique insertion block (4) is provided on the lower side of one end of the new roadbed (2); the oblique insertion block (4) is adapted to the anti-drift guide groove (3); a reinforcement frame mechanism is provided in the new roadbed (2); a positioning steel column (5) is welded between the lower side of the stepped surface of the new roadbed (2) and the reinforcement frame mechanism; and a reinforcing rib plate (6) is provided on the side of the positioning steel column (5).

2. A new and old roadbed splicing structure according to claim 1, characterized in that: The adapting mechanism comprises an embedded cylinder (7), an adapting groove (8), an open groove (9) and a clamping mechanism. The embedded cylinder (7) is embedded on the stepped surface of the old roadbed (1). The outer side of the embedded cylinder (7) is provided with an adapting groove (8). The adapting groove (8) is in a cross shape and corresponds to the reinforcing rib plate (6). The upper end of the embedded cylinder (7) is provided with an open groove (9) corresponding to the adapting groove (8). The clamping mechanism is provided in the embedded cylinder (7).

3. A new and old roadbed splicing structure according to claim 2, characterized in that: The clamping mechanism comprises an inner shrinkage groove (10) and an elastic metal sheet (11); the inner shrinkage groove (10) is symmetrically arranged at the lower end of the inner wall of the embedded cylinder (7); the elastic metal sheet (11) is arranged in the inner shrinkage groove (10); the lower end of the positioning steel column (5) is in the shape of an inclined surface; the lower end of the side surface of the positioning steel column (5) is provided with a clamping groove (12); the clamping groove (12) is clamped and adapted to the elastic metal sheet (11).

4. The new and old roadbed splicing structure according to claim 1 is characterized in that: The steel frame structure comprises a transverse frame (13) and a longitudinal frame (14); the transverse frame (13) and the longitudinal frame (14) are staggeredly distributed inside the new roadbed (2); the positioning steel column (5) is located on the lower side of the step surface of the new roadbed (2) and is welded at the intersection of the transverse frame (13) and the longitudinal frame (14); and the reinforcing rib plate (6) is welded along the transverse frame (13) and the longitudinal frame (14).

5. The new and old roadbed splicing structure according to claim 1 is characterized by: A paving groove (15) is provided on both sides of the joint between the old roadbed (1) and the new roadbed (2), and a glass fiber mesh cloth (16) is provided in the paving groove (15). The glass fiber mesh cloth (16) is bonded and connected by high-viscosity asphalt.

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