Splicing structure for broadened roadbed of road

Abstract

The utility model discloses a road broadening roadbed splicing structure, and belongs to the technical field of roadbed broadening, the road broadening roadbed splicing structure comprises an original ground roadbed and a broadened roadbed, the original ground roadbed is internally provided with a splicing assembly, the splicing assembly comprises triangular grooves, each triangular groove is arranged in the broadened roadbed, and the splicing position of the original ground roadbed is fixedly connected with a plurality of triangular blocks; the device is novel in design and ingenious, the splicing assemblies, the triangular grooves, the triangular blocks, the inserting grooves, the inserting blocks, the tooth grooves and the tooth blocks are arranged, each triangular block is in butt joint with the corresponding triangular groove, an original ground roadbed and a broadened roadbed are in close contact, and through inclination between the triangular blocks and the triangular grooves and layer-by-layer close connection between the triangular blocks and the triangular grooves, the roadbed is not prone to falling off, and therefore the roadbed is not prone to falling off. The splicing compactness between the original ground subgrade and the broadened subgrade is improved, the stability of the broadened subgrade in the subsequent use process is enhanced, the conditions of cracks and fractures are not prone to occurring, and then the use effect and practicability in the future are improved.

Description

Technical Field

[0001] The present application relates to the technical field of roadbed widening, and in particular to a roadbed splicing structure for road widening. Background Art

[0002] The patent with the published authorization announcement number CN217601112U discloses a road widening subgrade splicing structure, which belongs to the technical field of subgrade widening. The road widening subgrade splicing structure includes an original ground subgrade and a widened subgrade. One side of the original ground subgrade in the width direction is a splicing side, which is arranged as a step portion, and a slot extending in the width direction is arranged on the step portion; the widened subgrade is spliced ​​to one side of the original ground subgrade in the width direction, and a side of the widened subgrade facing the original ground subgrade is correspondingly arranged as an inverted step portion adapted to the original ground subgrade, and a clamping block cooperating with the slot is arranged on the inverted step portion, and the clamping block cooperates with the slot to clamp the widened subgrade with the original ground subgrade; wherein a positioning assembly is also arranged on the inverted step portion, and a positioning hole is arranged on the step portion, and the positioning assembly cooperates with the positioning hole to prevent the widened subgrade from moving in the width direction. Such a road widening subgrade splicing structure can improve the structural stability of the subgrade splicing structure.

[0003] The splicing method adopted by the road widening subgrade splicing structure in the above-mentioned patent is to set steps at the splicing points for splicing. When the subgrade is used to a certain extent, the steps are more likely to cause the widened subgrade to break, crack, and have loose connections, thereby reducing practicality and use effect, and further increasing maintenance costs and loss problems.

[0004] To this end, the present application proposes a road widening roadbed splicing structure. Utility Model Content

[0005] The present application proposes a road widening subgrade splicing structure to solve the problems raised in the above-mentioned background technology; by setting splicing components, triangular grooves, triangular blocks, slots, plug blocks, tooth grooves, and tooth blocks, each triangular block is docked with the corresponding triangular groove to make the original ground subgrade and the widened subgrade in close contact, through the slope between the triangular block and the triangular groove, and then through the layer-by-layer close contact between the triangular block and the triangular groove, the density of the splicing between the original ground subgrade and the widened subgrade is improved, and the stability of the widened subgrade in the subsequent use process is enhanced, and cracks and fractures are not easily generated, thereby improving the future use effect and practicality. When the triangular block and the triangular groove are docked, the plug block will simultaneously extend into the slot, and at the same time, the multiple tooth blocks outside the plug block will be synchronously stuck in the tooth groove in the slot for locking, so that the connection between the original ground subgrade and the widened subgrade is more stable, which greatly improves the practicality of the device.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A road widening subgrade splicing structure comprises an original ground subgrade and a widened subgrade, wherein a splicing assembly is arranged inside the original ground subgrade, wherein the splicing assembly comprises triangular grooves, each of which is arranged inside the widened subgrade, a plurality of triangular blocks are fixedly connected to the splicing portion of the original ground subgrade, and each of the triangular blocks is docked with the corresponding triangular grooves, a slot is arranged inside the original ground subgrade, an insert block is fixedly connected to the splicing portion of the widened subgrade, and the insert block is docked with the slot, a plurality of tooth grooves are arranged inside the slot, a plurality of tooth blocks are fixedly connected to the outside of the insert block, and each of the tooth blocks extends to the inside of the corresponding tooth groove.

[0008] As a preferred embodiment, a limiting component is arranged inside the original ground roadbed, and the limiting component includes a limiting groove, and the limiting groove is arranged inside the original ground roadbed, and a limiting block is fixedly connected to the joint of the widened roadbed, and the limiting block extends from a side away from the widened roadbed to the inside of the limiting groove;

[0009] By setting the limit assembly, the limit block will extend into the limit groove, thereby reducing the error in splicing between the original ground roadbed and the widened roadbed, thereby improving the practicability of the device.

[0010] As a preferred embodiment, a guide assembly is provided inside the original ground roadbed, the guide assembly includes a guide groove, the guide groove is provided inside the original ground roadbed, a guide block is fixedly connected to the joint of the widened roadbed, and the guide block extends from one side away from the widened roadbed to the inside of the guide groove;

[0011] By setting the guide assembly, the guide block is inserted into the guide groove, providing correct guidance when the widened roadbed is spliced ​​with the original ground roadbed, so that the widened roadbed is aligned with the original ground roadbed, ensuring the stability of the docking, thereby improving the practicality of the device.

[0012] As a preferred embodiment, the interior of the original ground roadbed and the widened roadbed is provided with a fixing assembly, the fixing assembly includes a movable groove, two movable grooves are respectively provided inside the original ground roadbed and the widened roadbed, the interior of the original ground roadbed and the widened roadbed is provided with an installation groove, the interior of the installation groove is detachably connected with a fixing plate, the interior of the fixing plate is threadedly connected with two screws, and one end of the two screws respectively extends into the corresponding movable groove, and the exterior of the two screws and located inside the movable groove are both threadedly connected with a positioning block;

[0013] By placing the fixing plate in the installation groove, and then inserting the positioning block into the installation groove, when the positioning block is in the movable groove, at this time, the screw is driven into the fixing plate, and one end of the screw is passed through the inside of the positioning block for fixing, thereby ensuring the stability of subsequent use between the original ground roadbed and the widened roadbed, thereby improving the practicality of the device.

[0014] As a preferred embodiment, a bottom layer component is arranged inside the widened roadbed, the bottom layer component includes river sand, the river sand is arranged inside the widened roadbed, crushed stones are arranged inside the widened roadbed and on top of the river sand, mountain rocks are arranged inside the widened roadbed and on top of the crushed stones, and cement is arranged inside the widened roadbed and on top of the mountain rocks;

[0015] The river sand, gravel, mountain rocks and cement set up have the characteristics of natural hardness, toughness and good stability, and are suitable for filling of highway roadbeds, drainage ditches, etc., thereby improving the practicability of the device.

[0016] As a preferred embodiment, a top layer component is arranged inside the widened roadbed, and the top layer component includes a rubber asphalt layer, the rubber asphalt layer is arranged inside the widened roadbed and on top of the cement, and an asphalt top surface layer is arranged inside the widened roadbed and on top of the rubber asphalt layer;

[0017] The rubber asphalt layer and asphalt top surface layer are set up with good performance advantages, and are strong in waterproofness, durability and anti-aging capabilities, thereby improving the practicability of the device.

[0018] Beneficial effects of this application:

[0019] 1. The road widening subgrade splicing structure is provided with splicing components, triangular grooves, triangular blocks, slots, insert blocks, tooth grooves, and tooth blocks. Each triangular block is docked with the corresponding triangular groove, so that the original ground subgrade and the widened subgrade are in close contact. Through the slope between the triangular block and the triangular groove, and through the layer-by-layer close contact between the triangular block and the triangular groove, the compactness of the splicing between the original ground subgrade and the widened subgrade is improved, and the stability of the widened subgrade in the subsequent use process is enhanced, and cracks and fractures are not easily generated, thereby improving the future use effect and practicality. When the triangular block and the triangular groove are docked, the insert block will simultaneously extend into the slot. At the same time, multiple tooth blocks outside the insert block will be synchronously stuck in the tooth grooves in the slot for locking, so that the connection between the original ground subgrade and the widened subgrade is more stable, which greatly improves the practicality of the device.

[0020] 2. This road widening subgrade splicing structure is provided with positioning blocks. After the original ground subgrade and the widened subgrade are spliced, the fixing plate is placed in the installation groove. Subsequently, the positioning block is inserted into the installation groove. When the positioning block is located in the movable groove, a screw is driven into the fixing plate so that one end of the screw passes through the inside of the positioning block for fixing. Thus, the stability between the original ground subgrade and the widened subgrade in subsequent use is ensured, and the practicability of the device is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the main body of the device of this application;

[0022] Figure 2 It is a schematic diagram of the interior of the device of the present application;

[0023] Figure 3 For this application Figure 1 Enlarged view of point A in the middle.

[0024] Numbers in the figure: 1. Original ground roadbed; 2. Widened roadbed; 3. Splicing assembly; 31. Triangular groove; 32. Triangular block; 33. Slot; 34. Insert block; 35. Tooth groove; 36. Tooth block; 4. Limit assembly; 41. Limit groove; 42. Limit block; 5. Guide assembly; 51. Guide groove; 52. Guide block; 6. Fixing assembly; 61. Installation groove; 62. Fixing plate; 63. Screw; 64. Movable groove; 65. Positioning block; 7. Bottom assembly; 71. River sand; 72. Gravel; 73. Rock; 74. Cement; 8. Top assembly; 81. Rubber asphalt layer; 82. Asphalt top layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0026] Reference Figure 1-3 A road widening subgrade splicing structure comprises an original ground subgrade 1 and a widened subgrade 2.

[0027] A splicing assembly 3 is provided inside the original ground roadbed 1, and the splicing assembly 3 includes a triangular groove 31, each triangular groove 31 is provided inside the widened roadbed 2, a plurality of triangular blocks 32 are fixedly connected to the splicing portion of the original ground roadbed 1, and each triangular block 32 is docked with the corresponding triangular groove 31, a slot 33 is provided inside the original ground roadbed 1, a plug-in block 34 is fixedly connected to the splicing portion of the widened roadbed 2, and the plug-in block 34 is docked with the slot 33, a plurality of tooth grooves 35 are provided inside the slot 33, a plurality of tooth blocks 36 are fixedly connected to the outside of the plug-in block 34, and each tooth block 36 extends to the corresponding tooth groove 35; the plug-in block 34 and the tooth block 36 are both made of elastic polypropylene material, which has excellent elasticity and resilience, can not only withstand high pressure, but also has good heat resistance and cold resistance, and can be used in a wide range of temperatures. The invention can be used within a certain range, and each triangular block 32 is connected with the corresponding triangular groove 31 to make the original ground roadbed 1 and the widened roadbed 2 in close contact. Through the slope between the triangular block 32 and the triangular groove 31, and then through the layer-by-layer close contact between the triangular block 32 and the triangular groove 31, the density of the splicing between the original ground roadbed 1 and the widened roadbed 2 is improved, and the stability of the widened roadbed 2 in the subsequent use process is enhanced, and cracks and breaks are not easily generated, thereby improving the future use effect and practicality. When the triangular block 32 and the triangular groove 31 are connected, the plug block 34 will simultaneously extend into the slot 33. At the same time, the multiple tooth blocks 36 outside the plug block 34 will be synchronously inserted into the tooth groove 35 in the slot 33 for locking, so that the connection between the original ground roadbed 1 and the widened roadbed 2 is more stable.

[0028] A limiting component 4 is arranged inside the original ground roadbed 1, and the limiting component 4 includes a limiting groove 41. The limiting groove 41 is arranged inside the original ground roadbed 1, and a limiting block 42 is fixedly connected to the joint of the widened roadbed 2, and the limiting block 42 extends to the inside of the limiting groove 41 away from the side of the widened roadbed 2; through the arrangement of the limiting component 4, the limiting block 42 will extend to the inside of the limiting groove 41, thereby reducing the error of splicing between the original ground roadbed 1 and the widened roadbed 2.

[0029] A guide assembly 5 is arranged inside the original ground roadbed 1, and the guide assembly 5 includes a guide groove 51, which is arranged inside the original ground roadbed 1. A guide block 52 is fixedly connected to the joint of the widened roadbed 2, and the guide block 52 extends to the inside of the guide groove 51 away from the side of the widened roadbed 2; through the arrangement of the guide assembly 5, the guide block 52 is inserted into the guide groove 51, so as to provide correct guidance when the widened roadbed 2 is spliced ​​with the original ground roadbed 1, so that the widened roadbed 2 is aligned with the original ground roadbed 1, and the stability of the docking is ensured.

[0030] A fixing assembly 6 is provided inside the original ground roadbed 1 and the widened roadbed 2. The fixing assembly 6 includes a movable groove 64. Two movable grooves 64 are respectively provided inside the original ground roadbed 1 and the widened roadbed 2. The original ground roadbed 1 and the widened roadbed 2 are provided inside the mounting groove 61. A fixing plate 62 is detachably connected inside the mounting groove 61. Two screws 63 are threadedly connected inside the fixing plate 62. One end of the two screws 63 extends to the corresponding movable groove 64 respectively. Positioning blocks 65 are threadedly connected outside the two screws 63 and located inside the movable groove 64. When the original ground roadbed 1 and the widened roadbed 2 are spliced, the fixing plate 62 is placed in the mounting groove 61. Subsequently, the positioning block 65 is inserted into the mounting groove 61. When the positioning block 65 is located in the movable groove 64, the screw 63 is driven into the fixing plate 62 so that one end of the screw 63 passes through the positioning block 65 for fixing. Thus, the stability of the subsequent use between the original ground roadbed 1 and the widened roadbed 2 is ensured.

[0031] A bottom layer component 7 is arranged inside the widened roadbed 2, and the bottom layer component 7 includes river sand 71, which is arranged inside the widened roadbed 2, crushed stone 72 is arranged inside the widened roadbed 2 and on the top of the river sand 71, mountain rocks 73 are arranged inside the widened roadbed 2 and on the top of the crushed stone 72, and cement 74 is arranged inside the widened roadbed 2 and on the top of the mountain rocks 73; the river sand 71, crushed stone 72, mountain rocks 73 and cement 74 have the characteristics of natural hardness, toughness and good stability of properties, and are suitable for filling highway roadbeds, drainage ditches, etc.

[0032] A top layer component 8 is arranged inside the widened roadbed 2, and the top layer component 8 includes a rubber asphalt layer 81. The rubber asphalt layer 81 is arranged inside the widened roadbed 2 and on the top of the cement 74. An asphalt top surface layer 82 is arranged inside the widened roadbed 2 and on the top of the rubber asphalt layer 81. The rubber asphalt layer 81 and the asphalt top surface layer 82 have good performance advantages and are strong in waterproofness, durability and anti-aging capabilities.

[0033] Working principle: When the device is used, the widened roadbed 2 is spliced ​​with the original ground roadbed 1. During the splicing, the widened roadbed 2 is moved toward the direction close to the original ground roadbed 1. Through the setting of the guide assembly 5, the guide block 52 is inserted into the guide groove 51, so that the widened roadbed 2 is provided with correct guidance when splicing with the original ground roadbed 1, so that the widened roadbed 2 is aligned with the original ground roadbed 1 to ensure the stability of the docking. When the guide block 52 is inserted into the guide groove 51, each triangular block 32 will dock with the corresponding triangular groove 31, so that the original ground roadbed 1 and the widened roadbed 2 are in close contact, through the slope between the triangular block 32 and the triangular groove 31, and then through the layer-by-layer close contact between the triangular block 32 and the triangular groove 31, so that Improve the density of the splicing between the original ground roadbed 1 and the widened roadbed 2, enhance the stability of the widened roadbed 2 in the subsequent use process, and it is not easy to crack or break, thereby improving the future use effect and practicality. When the triangular block 32 and the triangular groove 31 are docked, the plug block 34 will simultaneously extend into the slot 33. At the same time, the multiple tooth blocks 36 outside the plug block 34 will be synchronously inserted into the tooth groove 35 in the slot 33 for locking, so that the connection between the original ground roadbed 1 and the widened roadbed 2 is more stable. In the last step, through the setting of the limit assembly 4, the limit block 42 will extend into the limit groove 41, thereby reducing the error of the splicing between the original ground roadbed 1 and the widened roadbed 2.

[0034] After the original ground roadbed 1 and the widened roadbed 2 are spliced, the fixing plate 62 is placed in the installation groove 61, and then the positioning block 65 is inserted into the installation groove 61. When the positioning block 65 is located in the movable groove 64, the screw 63 is driven into the fixing plate 62, and one end of the screw 63 is passed through the inside of the positioning block 65 for fixing, thereby ensuring the stability of the subsequent use between the original ground roadbed 1 and the widened roadbed 2.

[0035] River sand 71, crushed stone 72, mountain stone 73 and cement 74 have the characteristics of natural hardness, toughness and good stability, and are suitable for filling highway subgrades, drainage ditches, etc.

[0036] The rubber asphalt layer 81 and the asphalt top surface layer 82 have good performance advantages and are very strong in waterproofness, durability and anti-aging capabilities.

[0037] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and utility model concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. A road widening subgrade splicing structure, comprising an original ground subgrade (1) and a widened subgrade (2), characterized in that: A splicing assembly (3) is arranged inside the original ground roadbed (1), the splicing assembly (3) comprising a triangular groove (31), each of the triangular grooves (31) being arranged inside the widened roadbed (2), a plurality of triangular blocks (32) being fixedly connected to the splicing portion of the original ground roadbed (1), and each of the triangular blocks (32) being butted against the corresponding triangular groove (31), a slot (33) being arranged inside the original ground roadbed (1), an insert block (34) being fixedly connected to the splicing portion of the widened roadbed (2), and the insert block (34) being butted against the slot (33), a plurality of tooth grooves (35) being arranged inside the slot (33), a plurality of tooth blocks (36) being fixedly connected to the outside of the insert block (34), and each of the tooth blocks (36) extending into the inside of the corresponding tooth groove (35).

2. A road widening subgrade splicing structure according to claim 1, characterized in that: A limiting assembly (4) is arranged inside the original ground roadbed (1), the limiting assembly (4) comprising a limiting groove (41), the limiting groove (41) being arranged inside the original ground roadbed (1), a limiting block (42) being fixedly connected to a joint of the widened roadbed (2), and the limiting block (42) extending from a side away from the widened roadbed (2) to the inside of the limiting groove (41).

3. A road widening subgrade splicing structure according to claim 1, characterized in that: A guide assembly (5) is arranged inside the original ground roadbed (1), the guide assembly (5) comprising a guide groove (51), the guide groove (51) being arranged inside the original ground roadbed (1), a guide block (52) being fixedly connected to a joint of the widened roadbed (2), and the guide block (52) extending from a side of the widened roadbed (2) to the inside of the guide groove (51).

4. A road widening subgrade splicing structure according to claim 1, characterized in that: A fixing assembly (6) is arranged inside the original ground roadbed (1) and the widened roadbed (2), and the fixing assembly (6) comprises a movable groove (64). Two movable grooves (64) are arranged inside the original ground roadbed (1) and the widened roadbed (2), respectively. The original ground roadbed (1) and the widened roadbed (2) are arranged inside a mounting groove (61), and a fixing plate (62) is detachably connected inside the mounting groove (61). Two screws (63) are threadedly connected inside the fixing plate (62), and one end of the two screws (63) extends into the corresponding movable groove (64), respectively. Positioning blocks (65) are threadedly connected outside the two screws (63) and inside the movable groove (64).

5. The road widening subgrade splicing structure according to claim 1, characterized in that: A bottom layer component (7) is arranged inside the widened roadbed (2), the bottom layer component (7) comprises river sand (71), the river sand (71) is arranged inside the widened roadbed (2), crushed stones (72) are arranged inside the widened roadbed (2) and on top of the river sand (71), mountain rocks (73) are arranged inside the widened roadbed (2) and on top of the crushed stones (72), and cement (74) is arranged inside the widened roadbed (2) and on top of the mountain rocks (73).

6. The road widening subgrade splicing structure according to claim 1, characterized in that: A top layer component (8) is arranged inside the widened roadbed (2), the top layer component (8) comprises a rubber asphalt layer (81), the rubber asphalt layer (81) is arranged inside the widened roadbed (2) and located on top of the cement (74), and an asphalt top surface layer (82) is arranged inside the widened roadbed (2) and located on top of the rubber asphalt layer (81).

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