CN220149991U - New and old roadbed splicing structure - Google Patents
New and old roadbed splicing structure Download PDFInfo
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- CN220149991U CN220149991U CN202320475114.6U CN202320475114U CN220149991U CN 220149991 U CN220149991 U CN 220149991U CN 202320475114 U CN202320475114 U CN 202320475114U CN 220149991 U CN220149991 U CN 220149991U
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- roadbed
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- connecting rod
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- 238000009434 installation Methods 0.000 claims abstract description 36
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 229920001431 Long-fiber-reinforced thermoplastic Polymers 0.000 claims description 6
- 239000012815 thermoplastic material Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 10
- 238000005336 cracking Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to a splicing structure of a new roadbed and an old roadbed, which comprises the old roadbed and the new roadbed spliced on one side of the old roadbed, wherein a splicing surface is arranged on one side of the old roadbed, a mounting assembly is arranged on the splicing surface, a connecting assembly is arranged in the mounting assembly, the front end of the connecting assembly is provided with a limiting assembly, the connecting assembly is matched with the mounting assembly to connect the old roadbed and the new roadbed, and the limiting assembly is used for limiting and fixing the connecting assembly; the longitudinal cracking of the junction of the new roadbed and the old roadbed is reduced through the connecting rod a and the connecting rod b which are transversely arranged in the connecting assembly, the connection strength of the new roadbed and the old roadbed is enhanced, and the connecting rod a and the connecting rod b can be quickly installed through the matching of the limiting block in the limiting assembly and the expanding section, so that the problems that the installation of the splicing structure in the prior art is time-consuming and labor-consuming, the labor intensity is high and the construction time is prolonged are solved.
Description
Technical Field
The utility model relates to the technical field of roadbed engineering, in particular to a splicing structure of new and old roadbeds.
Background
The roadbed is an important component of road engineering, is a foundation of a road surface and is a supporting structure of the road surface. Simultaneously, bear the effect of traffic load with the road surface jointly. In the use process, the old roadbed is often required to be widened or lengthened, the traditional technology is easy to loosen when a new roadbed is poured, the junction of the new roadbed and the old roadbed is easy to subside, serious longitudinal cracking and separation of a pavement structure can be caused for a long time, the whole quality of the roadbed is influenced, and huge potential safety hazards are caused.
One chinese patent of the utility model, publication No. CN215906478U, discloses a widened spliced subgrade structure for a subgrade, which includes an old subgrade, a new subgrade, a cement casting block, and a connection assembly; the connecting assembly comprises a stand column, a connecting rod and a baffle. In the utility model, the old roadbed and the new roadbed are spliced in a stepped way, and the integrity of the old roadbed and the new roadbed is enhanced by utilizing the roadbed of the connecting component, so that the sedimentation difference is reduced, and the probability of longitudinal crack generation is reduced; the baffle is arranged, a pouring space is formed between the baffle and the new foundation, pouring of each layer of the new roadbed is facilitated, the baffle is matched with the connecting rod, and the integrality of the old roadbed and the new roadbed is enhanced.
The probability of cracking at the junction of the new roadbed and the old roadbed is reduced to a certain extent through the matching of the baffle and the connecting rod, but the installation mode of the splicing mechanism is complex, time and labor are wasted during installation, the labor intensity of constructors is greatly enhanced, and the construction time is prolonged.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides a new roadbed splicing structure which comprises an old roadbed and a new roadbed spliced on one side of the old roadbed, wherein a splicing surface is arranged on one side of the old roadbed, a mounting assembly is arranged on the splicing surface, a connecting assembly is arranged in the mounting assembly, the front end of the connecting assembly is provided with a limiting assembly, the connecting assembly is matched with the mounting assembly to connect the old roadbed and the new roadbed, and the limiting assembly is used for limiting and fixing the connecting assembly, so that the problems that the splicing structure in the prior art is time-consuming and labor-consuming to install, high in labor intensity and long in construction time are solved.
The technical solution of the utility model is as follows:
the utility model provides a new and old roadbed mosaic structure, includes old roadbed and splices the new roadbed in old roadbed one side, the splice face has been seted up to old roadbed one side, set up installation component on the splice face, be provided with coupling assembling in the installation component, the coupling assembling front end is provided with spacing subassembly, coupling assembling cooperation installation component links up old roadbed and new roadbed, spacing subassembly is used for carrying out spacing fixed to coupling assembling.
Preferably, the mounting assembly comprises a mounting groove a formed on the splicing surface and a mounting groove b formed below the mounting groove a, and the mounting groove a and the mounting groove b are both provided with.
Preferably, the mounting groove a and the mounting groove b each comprise a compression section and an expansion section.
Preferably, the mounting assembly further comprises a mounting hole a formed in the old roadbed.
Preferably, the connecting assembly comprises a connecting rod a arranged in a mounting groove a and a connecting rod b arranged in a mounting groove b, wherein a mounting hole b is formed in the connecting rod a corresponding to the mounting hole a, and a mounting hole c is formed in the connecting rod b corresponding to the mounting hole a.
As one preference, the limiting component comprises a connecting piece fixedly connected to the front ends of the connecting rod a and the connecting rod b, the two ends of the connecting piece are provided with accommodating grooves, two sides of each accommodating groove are provided with sliding rails, a sliding block is arranged in each sliding rail in a sliding manner, the top end of each sliding block is fixedly connected with a limiting block, and the tail end of each limiting block is connected with each accommodating groove through a reset spring.
Preferably, the limiting assembly further comprises a fixing rod arranged in the mounting hole b and the mounting hole c, and a grab handle is arranged at the top end of the fixing rod.
Preferably, the splicing surface is provided in a stepped shape.
As yet another preferred, the new roadbed comprises a crushed stone layer, a sand stone layer, a long fiber reinforced thermoplastic material layer and a cement concrete layer.
The connecting assembly is arranged, the longitudinal cracking of the connecting position of the new roadbed and the old roadbed can be reduced through the connecting rod a and the connecting rod b which are transversely arranged in the connecting assembly, the connecting strength of the new roadbed and the old roadbed is enhanced, the settlement can be reduced to a certain extent, and the overall quality of the roadbed is improved.
The utility model is provided with the limiting component, the limiting block in the limiting component is matched with the expanding section, so that the connecting rod a and the connecting rod b can be quickly installed, the size of the expanding section is larger than that of the compression section, the restoring spring is in a compressed state in the compression section, and the limiting block can pop out along the sliding rail under the action of the restoring spring after entering the expanding section, so that the connecting rod a and the connecting rod b can be respectively limited and fixed in the mounting groove a and the mounting groove b, the installation mode is easy and convenient, the construction time is effectively shortened, the construction efficiency is improved, the time and labor are wasted when the installation in the prior art is solved, the labor intensity of constructors is greatly enhanced, the problem of the construction time is prolonged, the setting of the restoring spring can play a buffering role, the damage to the connecting component when the restoring spring is cracked can be lightened, and the connection strength is improved.
The fixing rod is arranged, and the fixing rod can strengthen the connecting rod a and the connecting rod b, so that the connecting rod a and the connecting rod b are more stable when a new roadbed is poured, and the problem that looseness affects the whole quality is avoided.
In conclusion, the utility model has the advantages of easy and convenient installation mode, improved construction efficiency, reduced labor intensity, reduced cracking probability, good linkage effect, ingenious structure and the like, and is suitable for the technical field of roadbed engineering.
Drawings
The utility model is further described with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a splicing structure of the new and old roadbed;
FIG. 2 is a schematic view of the position structure of the mounting assembly, the connecting assembly and the spacing assembly;
FIG. 3 is a schematic cross-sectional view of an old roadbed;
FIG. 4 is a schematic view of a portion of the structure of the connection assembly and the spacing assembly;
FIG. 5 is a schematic diagram of the state of the restriction assembly as it passes through the compression section;
fig. 6 is a schematic view of a state of the limiting assembly when the limiting assembly limits and fixes the connecting assembly.
In the figure: old roadbed 1, new roadbed 2, installation component 3, coupling component 4, spacing subassembly 5, concatenation face 11, mounting groove a31, mounting groove b32, compression section 33, expansion section 34, mounting hole a35, connecting rod a41, connecting rod b42, mounting hole b43, mounting hole c44, connecting piece 51, holding tank 52, slide rail 53, slider 54, stopper 55, reset spring 56, dead lever 57, grab handle 58.
Description of the embodiments
The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 6, a new and old roadbed splicing structure comprises an old roadbed 1 and a new roadbed 2 spliced on one side of the old roadbed 1, wherein a splicing surface 11 is formed on one side of the old roadbed 1, a mounting component 3 is formed on the splicing surface 11, a connecting component 4 is arranged in the mounting component 3, a limiting component 5 is arranged at the front end of the connecting component 4, the connecting component 4 is matched with the mounting component 3 to connect the old roadbed 1 and the new roadbed 2, and the limiting component 5 is used for limiting and fixing the connecting component 4. The problems of time and labor waste, high labor intensity and prolonged construction time of the installation of the splicing structure in the prior art are solved.
As shown in fig. 3, the mounting assembly 3 includes a mounting groove a31 formed in the joint surface 11 and a mounting groove b32 formed below the mounting groove a31, and 2 mounting grooves a31 and b32 are provided. The installation groove a31 and the installation groove b32 are respectively provided with 2 and not less than 2, and the new roadbed 2 and the old roadbed 1 can be tightly connected through installing the connecting rod a41 in the installation groove a31 and installing the connecting rod b42 in the installation groove b32, so that the whole quality of the roadbed is improved.
As shown in fig. 3, 5 and 6, the mounting groove a31 and the mounting groove b32 each include a compression section 33 and an expansion section 34. The size of the expanding section 34 is larger than that of the compression section 33, the connecting rod a41 and the connecting rod b42 pass through the compression section 33 firstly during installation, the reset spring 56 is kept in a compressed state in the compression section 33, and the limiting block 55 can pop out along the sliding rail 53 under the action of the reset spring 56 after entering the expanding section 34, so that the connecting rod a41 and the connecting rod b42 can be respectively limited and fixed in the installation groove a31 and the installation groove b32, and the installation of the connecting rod a41 and the connecting rod b42 is time-saving and labor-saving.
As shown in fig. 3, the installation assembly 3 further includes an installation hole a35 formed in the old roadbed 1. The mounting hole a35 is used for inserting the fixing rod 57, and the connecting rod a41 and the connecting rod b42 are further stabilized by the insertion of the fixing rod 57.
As shown in fig. 2, 4, 5 and 6, the connection assembly 4 includes a connection rod a41 installed in the installation groove a31 and a connection rod b42 installed in the installation groove b32, the connection rod a41 is provided with a mounting hole b43 corresponding to the mounting hole a35, and the connection rod b42 is provided with a mounting hole c44 corresponding to the mounting hole a35. When the roadbed connecting device is used, the connecting rod a41 and the connecting rod b42 are respectively inserted into the mounting groove a31 and the mounting groove b32, and the connecting rod a41 and the connecting rod b42 which are transversely arranged can reduce longitudinal cracking at the joint of the new roadbed 2 and the old roadbed 1, strengthen the connecting strength of the new roadbed and the old roadbed, reduce sedimentation to a certain extent and improve the overall quality of the roadbed; the mounting holes b43 and c44 are penetrated in the vertical direction, so that the fixing rod 57 can pass through the connecting rod a41 and the connecting rod b42 at the same time, and further fixing effect is achieved on the connecting rod a41 and the connecting rod b42.
As shown in fig. 4, 5 and 6, the limiting component 5 comprises a connecting piece 51 fixedly connected to the front ends of a connecting rod a41 and a connecting rod b42, two ends of the connecting piece 51 are provided with accommodating grooves 52, two sides of the accommodating grooves 52 are provided with sliding rails 53, a sliding block 54 is arranged in the sliding rails 53 in a sliding manner, a limiting block 55 is fixedly connected to the top end of the sliding block 54, and the tail end of the limiting block 55 is connected with the accommodating grooves 52 through a reset spring 56. The sliding block 54 is matched with the expanding section 34, so that the connecting rod a41 and the connecting rod b42 can be quickly installed, the size of the expanding section 34 is larger than that of the compressing section 33, the connecting rod a41 and the connecting rod b42 firstly pass through the compressing section 33 when being installed, at the moment, the limiting block 55 is attached to the inner wall of the compressing section 33, the reset spring 56 is kept in a compressed state in the compressing section 33, the limiting block 55 is ejected and expanded on the inner wall of the expanding section 34 along the sliding rail 53 under the action of the reset spring 56 after entering the expanding section 34, and accordingly the connecting rod a41 and the connecting rod b42 are respectively limited and fixed in the installation groove a31 and the installation groove b32, the installation time of the connecting rod a41 and the connecting rod b42 is effectively shortened, the construction efficiency is improved, the labor intensity of workers is reduced, the problem that the splicing structure in the prior art is time-consuming and labor is greatly enhanced when being installed is solved, the labor intensity of constructors is greatly enhanced, the problem of the construction time is solved, the reset spring 56 can play a buffering role, the damage to the connecting assembly 4 when cracking is relieved, and the connection intensity is improved; when playing limiting function to the limiting block 55 through setting up the slide rail 53, the slider 54 that the limiting block 55 bottom is connected slides and sets up in the slide rail 53, makes reset spring 56 can drive the outside smooth popping out of limiting block 55 along the slide rail 53 through the cooperation of slider 54 and slide rail 53.
As shown in fig. 2, the limiting assembly 5 further includes a fixing rod 57 installed in the installation hole b43 and the installation hole c44, and a grip 58 is provided at the top end of the fixing rod 57. The fixing rod 57 can strengthen the connecting rod a41 and the connecting rod b42, so that the connecting rod a41 and the connecting rod b42 are more stable when the new roadbed 2 is poured, and the influence of looseness on the whole quality is avoided; the handle 58 is used for facilitating and saving labor for constructors in installing the fixing rod 57.
As shown in fig. 2, the joint surface 11 is provided in a stepped shape. The splicing surface 11 is arranged in a step shape, so that the contact area between the new roadbed and the old roadbed can be increased, and upward supporting force can be generated on the new roadbed 3, thereby being beneficial to further improving the bearing capacity of the new roadbed 3.
Examples
As shown in fig. 1, wherein the same or corresponding parts as those in the first embodiment are given the same reference numerals as those in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity; the second embodiment is different from the first embodiment in that: the new road bed 2 comprises a crushed stone layer 21, a sand layer 22, a layer of long fiber reinforced thermoplastic material 23 and a layer of cement concrete 24. The novel roadbed 2 is sequentially provided with the gravel layer 21, the sand stone layer 22, the long fiber reinforced thermoplastic material layer 23 and the cement concrete layer 24 from bottom to top, wherein the long fiber reinforced thermoplastic material adopted in the long fiber reinforced thermoplastic material layer 23 has excellent physical properties, has great advantages in the aspects of stretching, bending strength, shock resistance and the like, and can greatly improve the bearing performance of the novel roadbed 2.
Firstly, a connecting rod a41 and a connecting rod b42 are respectively inserted into a mounting groove a31 and a mounting groove b32, when the connecting rod a41 and the connecting rod b42 are mounted, the connecting rod a41 and the connecting rod b42 firstly pass through a compression section 33, a limiting block 55 is attached to the inner wall of the compression section 33, a return spring 56 is kept in a compressed state in the compression section 33, after entering a expanding section 34, the limiting block 55 is ejected and expanded on the inner wall of the expanding section 34 along a sliding rail 53 under the action of the return spring 56, so that the connecting rod a41 and the connecting rod b42 are respectively limited and fixed in the mounting groove a31 and the mounting groove b32, then a fixing rod 57 passes through the connecting rod a41 and the connecting rod b42 and is inserted into a mounting hole a35, and then pouring of a new roadbed 2 can be carried out along a splicing surface 11 of an old roadbed 1.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.
The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a new and old roadbed mosaic structure, includes old roadbed (1) and splices new roadbed (2) in old roadbed (1) one side, its characterized in that: the novel roadbed is characterized in that a splicing surface (11) is formed in one side of the old roadbed (1), a mounting assembly (3) is formed in the splicing surface (11), a connecting assembly (4) is arranged in the mounting assembly (3), a limiting assembly (5) is arranged at the front end of the connecting assembly (4), the connecting assembly (4) is matched with the old roadbed (1) and the new roadbed (2), the limiting assembly (5) is used for limiting and fixing the connecting assembly (4), the limiting assembly (5) comprises a connecting piece (51) fixedly connected to the front end of a connecting rod a (41) and the front end of a connecting rod b (42), holding grooves (52) are formed in the two ends of the connecting piece (51), sliding rails (53) are arranged on two sides of the holding grooves (52), sliding blocks (54) are arranged in the sliding rails (53), limiting blocks (55) are fixedly connected to the top ends of the sliding blocks (54), and the tail ends of the limiting blocks (55) are connected with the holding grooves (52) through reset springs (56).
2. The old and new roadbed splicing structure according to claim 1, wherein: the mounting assembly (3) comprises mounting grooves a (31) formed in the splicing surface (11) and mounting grooves b (32) formed below the mounting grooves a (31), and 2 mounting grooves a (31) and 2 mounting grooves b (32) are formed.
3. The old and new roadbed splicing structure according to claim 2, wherein: the mounting groove a (31) and the mounting groove b (32) comprise a compression section (33) and an expansion section (34).
4. A new and old roadbed splicing structure according to claim 3, wherein: the installation assembly (3) further comprises an installation hole a (35) formed in the old roadbed (1).
5. The new and old roadbed splicing structure according to claim 4, wherein: the connecting assembly (4) comprises a connecting rod a (41) installed in the installation groove a (31) and a connecting rod b (42) installed in the installation groove b (32), an installation hole b (43) is formed in the connecting rod a (41) corresponding to the installation hole a (35), and an installation hole c (44) is formed in the connecting rod b (42) corresponding to the installation hole a (35).
6. The new and old roadbed splicing structure according to claim 5, wherein: the limiting assembly (5) further comprises a fixing rod (57) arranged in the mounting hole b (43) and the mounting hole c (44), and a grab handle (58) is arranged at the top end of the fixing rod (57).
7. The new and old roadbed splicing structure according to claim 6, wherein: the splicing surface (11) is arranged in a step shape.
8. The old and new roadbed splicing structure according to claim 7, wherein: the novel roadbed (2) comprises a gravel layer (21), a sand layer (22), a long fiber reinforced thermoplastic material layer (23) and a cement concrete layer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320475114.6U CN220149991U (en) | 2023-03-14 | 2023-03-14 | New and old roadbed splicing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320475114.6U CN220149991U (en) | 2023-03-14 | 2023-03-14 | New and old roadbed splicing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149991U true CN220149991U (en) | 2023-12-08 |
Family
ID=89012323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320475114.6U Active CN220149991U (en) | 2023-03-14 | 2023-03-14 | New and old roadbed splicing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149991U (en) |
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2023
- 2023-03-14 CN CN202320475114.6U patent/CN220149991U/en active Active
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