Intelligent paving and tamping device for road construction and construction method thereof

Abstract

The application relates to the field of pavement construction, in particular to a pavement construction intelligent paving and tamping device and a construction method thereof. The device comprises an engineering vehicle, a paving device and a tamping device. The tamping device comprises a first tamping device and a second tamping device. The paving device is arranged between the first tamping device and the second tamping device. The first tamping device comprises a first supporting roller, a wave supporting frame sleeved on the first supporting roller and a flexible rolling layer wrapped on the wave supporting frame. The flexible rolling layer performs paving on the pavement under the action of the movable pushing of the wave supporting frame. The paving and tamping device used in the existing pavement construction can ensure that the soil on the large-area pavement is uniformly and uniformly tamped.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of road construction, in particular to an intelligent paving and tamping device for road construction and a construction method thereof. BACKGROUND

[0002] The paving and tamping device is a road construction equipment combining paving and tamping functions, mainly used to improve paving efficiency and compactness of the road.

[0003] The patent application No. 202411243294.0 discloses a paving and tamping device for road construction and a paving and tamping method thereof, which comprises: the paving frame comprises an inner plate and an outer plate, and the paving frame is bolted to an external tractor for limiting and fixing the soil shoulder to be paved to a certain size specification. The device is provided with an elastic adjusting paving structure inside, which can adjust the height of the paved soil shoulder according to different construction roads, improve the flexible adjustment effect during road construction, and cooperate with the vertical tamping mechanism during adjustment in subsequent work, so that the paved soil shoulder can be stably compacted in the operation of the vertical tamping mechanism, preventing the soil from loosening after paving, and the adjustable slope baffle and inclined tamping mechanism are arranged on the side of the vertical tamping mechanism, which can pave and tamp the slope with different angles, thereby preventing the slope from collapsing during use. The technical solution of the above-mentioned invention mainly aims to adapt to different slopes during paving and tamping, but it is difficult to achieve stable and uniform paving and tamping during the paving and tamping of flat roads. The reason is that only the power stability of the device can be ensured during construction, but the soil quality of the original ground cannot be guaranteed. The soil softness of different areas is different, and if a paving and tamping device with constant power is used for work, the tamping effect of different areas will be different, affecting subsequent construction. SUMMARY

[0004] Therefore, in view of the above problems, the present application provides an intelligent paving and tamping device for road construction and a construction method thereof, which solves the technical problem that the paving and tamping device used in the existing road construction cannot ensure that the soil in each place of the large area of the road is homogeneous and uniform during road paving and tamping.

[0005] In order to achieve the above object, the technical scheme adopted by the present application is as follows: the road surface construction intelligent paving and tamping device comprises an engineering vehicle, a paving device and a tamping device, the paving device is used for paving and leveling loose and disordered soil, the tamping device is used for pre-paving and tamping the soil, the tamping device comprises a first tamping device and a second tamping device, the first tamping device is arranged at the end of the front end of the engineering vehicle, the second tamping device is arranged at the end of the rear end of the engineering vehicle, the paving device is arranged between the first tamping device and the second tamping device, the first tamping device comprises a first supporting roller, a wave supporting frame sleeved on the first supporting roller and a flexible rolling layer wrapped on the wave supporting frame, and the flexible rolling layer performs paving on the road surface under the action of the wave supporting frame.

[0006] Further, the engineering vehicle comprises a driving cabin and a functional support plate, the functional support plate comprises a main plane support part, first and second inclined support parts symmetrically arranged on both sides of the main plane support part, and first and second auxiliary plane support parts arranged at free end terminals of the first and second inclined support parts respectively.

[0007] Further, the first and second inclined support parts are inclined downward, the first and second auxiliary plane support parts are in the same plane and parallel to the main plane support part, the first tamping device is arranged below the first auxiliary plane support part, and the second tamping device is arranged below the second auxiliary plane support part.

[0008] Further, the first supporting roller is provided with a supporting force arm on both sides and is rotationally connected with the first auxiliary plane support part through the supporting force arm, and the first supporting roller is actively driven to rotate by a rotating motor.

[0009] Further, the wave supporting frame comprises two groups of wave assemblies which are the same in structure and are defined as a first wave assembly and a second wave assembly, the first and second wave assemblies are arranged at both ends of the first supporting roller respectively, the first wave assembly comprises a first receiving rod fixedly connected with the first supporting roller and rotating with the first supporting roller, and a first pushing block rotationally connected with the first receiving rod, the first pushing block is a three-prism-like structure, an engaging groove is formed in the first pushing block, a first engaging tooth is arranged on the inner side wall of the engaging groove, a second receiving rod is fixedly arranged in the engaging groove, and the second receiving rod is rotationally connected with the first receiving rod.

[0010] Further, the support arm is fixedly provided with an engaging block, and the engaging block is provided with second engaging teeth, the first engaging teeth and the second engaging teeth are engaged with each other to maintain the rotation stability of the first pushing block.

[0011] Further, a connecting rod is arranged between the first wave component and the second wave component.

[0012] Further, the paving device is arranged below the main plane support part, and the paving device comprises a plurality of inclined plates fixedly connected with the lower bottom surface of the main plane support part and a paving plate rotationally connected with the free end of the inclined plate, a guide groove is arranged at the connection between the paving plate and the inclined plate, and the paving plate is turned over under the driving of a motor.

[0013] Further, the second tamping device comprises a second support roller and a tamping roller sleeved on the second support roller, and the two ends of the second support roller are provided with hydraulic air suspension rods rotationally connected with the second vice plane support part.

[0014] A road surface construction method comprises the following steps:

[0015] S1, initial paving; the engineering vehicle is started to travel on the road surface that needs to be paved and tamped at a speed of 8 km per hour, and the paving device is simultaneously operated to re-pave and distribute the soil that has been pre-paved by the first tamping device, the soil is uniformly paved on the ground from the guide groove during the turning process of the paving plate after the soil is inserted into the paving plate.

[0016] S2, secondary paving; the engineering vehicle travels in the opposite direction along the initial travel track at a speed of 5 km per hour.

[0017] By adopting the foregoing technical scheme, the present application has the following beneficial effects:

[0018] 1. The road surface construction intelligent paving and tamping device can ensure that the ground is paved and tamped more than once during the construction process, and can ensure that the ground of a unit area is subjected to omnidirectional paving and tamping operation in a single unit time, specifically: along with the travel of the engineering vehicle, the ground of a unit area is subjected to preliminary pre-paving and tamping operation by the first tamping device, the ground that has been pre-paved and tamped is subjected to re-paving by the paving device, the originally soft soil is uniformly redistributed, the ground is changed from loose and disordered soil to uniform and relatively compact soil, and then the second tamping device is used for secondary tamping operation, and the step is repeated twice, the engineering vehicle travels in the opposite direction along the original track during the second paving and tamping operation, and the ground reaches the expected effect after the two paving and tamping operations.

[0019] 2、The paving device is arranged between the first tamping device and the second tamping device, thereby ensuring the continuity of the paving and tamping operation of the engineering vehicle; the driving of the engineering vehicle is directly driven by the first tamping device and the second tamping device, thereby simplifying the driving source; the pre-paving tamping effect achieved by the first tamping device is based on the improvement of the internal structure, specifically: the wave supporting frame is provided with a flexible rolling layer, and the wave supporting frame is designed as a combination of the first receiving rod and the first pushing block; in the working process, the first receiving rod rolls along with the first supporting roller, thereby driving the first pushing block to rotate; in the rotating process, the first pushing block is guaranteed to rotate eccentrically due to the connection of the first receiving rod and the second receiving rod, and the eccentricity is up and down, that is, the first pushing block rotates while being pushed up and down; the up and down movement in combination with the forward movement trend can guarantee that the soft soil is subjected to a downward pressure and a forward pushing force, thereby achieving the preliminary paving and tamping of the soil; the excess soil pushed forward is shovelled up by the paving device and evenly scattered and redistributed through the guide groove.

[0020] 3、In order to make the wave supporting frame more smooth in the process of wave pushing and avoid the influence of the large vibration caused by eccentric rotation on the tamping effect, the first pushing block is arranged in a triangular prism structure; the first pushing block is defined as a triangular prism structure because the structure is improved on the basis of the original triangular prism structure, and the corners and edges are all arranged in a smooth transition, thereby guaranteeing that the rolling and pushing process is more smooth; the first pushing block is provided with a meshing groove, the first meshing teeth are arranged on the circumferential surface of the meshing groove, and the meshing block is correspondingly arranged on the supporting arm; in the working process, the first meshing teeth and the second meshing teeth are meshed with each other, thereby guaranteeing that the rolling of the first pushing block is more smooth.

[0021] 4、The connecting rod is arranged between the first wave assembly and the second wave assembly, the connecting rod connects the two, and guarantees the abutting contact of the flexible rolling layer; the paving device mainly receives the soil pushed after the first paving and tamping to perform secondary redistribution and paving; the paving plate can be turned over by the driving of the motor; the paving plate is used for flattening the soil and shovelling and redistributing the excess soil, thereby guaranteeing that the compaction degree of the soil in the unit area is uniform and stable.

[0022] 5、The second tamping device adopts the traditional gravity roller for tamping; in order to match the vibration paving and tamping of the first tamping device, the hydraulic air suspension rod is arranged between the second tamping device and the second vice plane supporting part, the hydraulic air suspension rod can offset the up and down fluctuation of the first tamping device in the working process, and guarantees the smooth rolling of the second tamping device.

[0023] 6、The construction method in the application is twice paving and ramming operation, the second time is paving and ramming along the path of the first time, the difference between the two times is that the speed of the engineering vehicle is different, the speed of the second time is lower than that of the first time, the purpose is to set so as to ensure that the pavement geology is uniform and stable to meet the construction standard through twice paving and ramming operation in opposite directions. BRIEF DESCRIPTION OF DRAWINGS

[0024] Other features, objects, and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0025] Figure 1 It is a schematic diagram of the overall structure of the application;

[0026] Figure 2 It is a schematic diagram of the internal structure of the wave support frame of the application;

[0027] Figure 3 It is a schematic diagram of the structure of the first ramming device of the application;

[0028] Figure 4 It is a schematic diagram of the rolling state of the wave support frame of the application;

[0029] Figure 5 It is a schematic diagram of the side structure of the paving device of the application;

[0030] Figure 6 It is a schematic diagram of the working state of the paving device of the application;

[0031] Figure 7 It is a schematic diagram of the front structure of the paving device of the application;

[0032] Figure 8 It is a flow chart of the construction method of the application. DETAILED DESCRIPTION

[0033] In order to make the technical means, creative features, purposes and effects of the application easy to understand, the application will be further described below in conjunction with specific embodiments.

[0034] Please refer to Figures 1-8The application provides a road construction intelligent paving and tamping device, which comprises an engineering vehicle 1, a paving device 2 and a tamping device. The paving device 2 is used for paving and leveling loose and disordered soil. The tamping device is used for pre-paving and tamping the soil. The tamping device comprises a first tamping device 3 and a second tamping device 4. The first tamping device 3 is arranged at the end of the advancing end of the engineering vehicle 1. The second tamping device 4 is arranged at the end of the retreating end of the engineering vehicle 1. The paving device 2 is arranged between the first tamping device 3 and the second tamping device 4. The first tamping device 3 comprises a first supporting roller 31, a wave supporting frame arranged on the first supporting roller 31 and a flexible rolling layer 7 wrapped on the wave supporting frame. The flexible rolling layer 7 is used for paving the road surface under the action of the wave supporting frame.

[0035] The engineering vehicle 1 comprises a driving vehicle cabin 11 and a functional support plate 12. The functional support plate 12 comprises a main plane support part 121, first and second inclined support parts 122 and 123 symmetrically arranged on the two sides of the main plane support part 121, and first and second auxiliary plane support parts 124 and 125 arranged at the free end terminals of the first and second inclined support parts 122 and 123, respectively. The first and second inclined support parts 122 and 123 are both inclined downward. The first and second auxiliary plane support parts 124 and 125 are in the same plane and parallel to the main plane support part 121. The first tamping device 3 is arranged below the first auxiliary plane support part 124. The second tamping device 4 is arranged below the second auxiliary plane support part 125.

[0036] The first support roller 31 is provided with a support force arm 5 on both sides, which is rotationally connected with the first secondary plane support part 124. The first support roller 31 is rotationally driven by a rotary motor, which is a main driving end. The wave support frame includes two groups of wave assemblies, which are defined as a first wave assembly 311 and a second wave assembly 312. The first wave assembly 311 and the second wave assembly 312 are respectively arranged at both ends of the first support roller 31. The first wave assembly 311 includes a first receiving rod 32 fixedly connected with the first support roller 31 and rotationally driven with the first support roller 31, a first pushing block 33 rotationally connected with the first receiving rod 32, the first pushing block 33 being a triangular prism structure, an engaging groove 331 formed in the first pushing block 33, a first engaging tooth 332 arranged on the inner side wall of the engaging groove 331, a second receiving rod 34 fixedly arranged in the engaging groove 331, the second receiving rod 34 being rotationally connected with the first receiving rod 32, the rotation of the first receiving rod 32 driving the rotation of the second receiving rod 34, an engaging block 35 fixedly arranged on the support force arm 5, a second engaging tooth 351 arranged on the engaging block 35, and the first engaging tooth 332 and the second engaging tooth 351 being engaged with each other to maintain the rotation stability of the first pushing block 33.

[0037] The first wave assembly 311 and the second wave assembly 312 are arranged with a connecting rod 6, and the number of the connecting rod 6 is three.

[0038] The paving device 2 is arranged below the main plane support part 121. The paving device 2 includes three inclined plates 21 fixedly connected with the lower bottom surface of the main plane support part 121 and a paving plate 22 rotationally connected with the free end of the inclined plate 21. A guide groove 23 is arranged at the connection between the paving plate 22 and the inclined plate 21. The paving plate 22 is reversely driven by a motor, and the automatic reverse control is realized by weight sensing. The paving plate 22 is automatically reversed when the preset weight is reached. The second tamping device 4 includes a second support roller 41 and a tamping roller 42 sleeved on the second support roller 41. The two ends of the second support roller 41 are provided with a hydraulic air suspension rod 43, which is rotationally connected with the second secondary plane support part 125.

[0039] The construction method of the above device is also provided in the embodiment. The road construction intelligent paving and tamping device includes the following steps.

[0040] S1, initial paving; the construction vehicle 1 starts and travels on the road surface which needs to be paved and compacted at a speed of 8 km per hour, and the paving device 2 works synchronously to re-pave and distribute the soil which has been pre-paved by the first compacting device 3, the soil is evenly paved on the ground from the guide groove 23 during the process of turning over on the paving plate 22 after the paving plate 22 is inserted;

[0041] S2, secondary paving; the construction vehicle travels in the opposite direction along the initial travel trajectory at a speed of 5 km per hour.

[0042] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0043] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A road construction intelligent paving and tamping device, comprising an engineering vehicle, a paving device and a tamping device, characterized in that: The paving device is used for paving and smoothing the originally loose and disordered soil, the tamping device is used for pre-paving and tamping the soil, the tamping device comprises a first tamping device and a second tamping device, the first tamping device is arranged at the end of the front end of the engineering vehicle, the second tamping device is arranged at the end of the rear end of the engineering vehicle, the paving device is arranged between the first tamping device and the second tamping device, the first tamping device comprises a first supporting roller, a fluctuation supporting frame sleeved on the first supporting roller and a flexible rolling layer wrapped on the fluctuation supporting frame, and the flexible rolling layer is used for paving the road surface under the action of the fluctuation supporting frame. The first supporting roller is provided with a supporting force arm on both sides. The fluctuation supporting frame comprises two groups of fluctuation assemblies which are identical in structure, and are defined as a first fluctuation assembly and a second fluctuation assembly, the first fluctuation assembly and the second fluctuation assembly are arranged at both ends of the first supporting roller respectively, the first fluctuation assembly comprises a first receiving rod which is fixedly connected with the first supporting roller and rotates with the first supporting roller, and a first pushing block which is rotationally connected with the first receiving rod, the first pushing block is a three-prism-like structure, an engaging groove is arranged in the first pushing block, a first engaging tooth is arranged on the inner side wall of the engaging groove, a second receiving rod is fixedly arranged in the engaging groove, and the second receiving rod is rotationally connected with the first receiving rod; the three-prism-like structure is that the corners and edges of the three-prism are all arranged in smooth transition. The supporting force arm is fixedly provided with an engaging block, the engaging block is provided with a second engaging tooth, the first engaging tooth and the second engaging tooth are engaged with each other, and the rotation stability of the first pushing block is maintained.

2. The intelligent paving tamper device of claim 1, wherein: The engineering vehicle comprises a driving cabin and a functional support plate, the functional support plate comprises a main plane support part, a first inclined support part and a second inclined support part which are symmetrically arranged on both sides of the main plane support part, and a first secondary plane support part and a second secondary plane support part which are arranged at the free end terminals of the first inclined support part and the second inclined support part respectively.

3. The intelligent paving tamper device of claim 2, wherein: The first inclined support part and the second inclined support part are both inclined downward, the first secondary plane support part and the second secondary plane support part are in the same plane and are parallel to the main plane support part, the first tamping device is arranged below the first secondary plane support part, and the second tamping device is arranged below the second secondary plane support part.

4. The intelligent paving tamper device of claim 3, wherein: The first supporting roller is actively driven to rotate by a rotating motor through the rotation connection between the supporting force arm and the first secondary plane support part.

5. The intelligent paving tamper device of claim 4, wherein: A connecting rod is arranged between the first fluctuation assembly and the second fluctuation assembly.

6. The intelligent paving tamper device of claim 5, wherein: The paving device is arranged below the main plane support part, the paving device comprises a plurality of inclined plates which are fixedly connected with the lower bottom surface of the main plane support part, and a paving plate which is rotationally connected with the free end terminal of the inclined plate, a guide groove is arranged at the connection between the paving plate and the inclined plate, and the paving plate is turned over under the driving of a motor.

7. The intelligent paving tamper device of claim 6, wherein: The second tamping device comprises a second supporting roller and a tamping roller sleeved on the second supporting roller, and the two ends of the second supporting roller are provided with hydraulic air suspension rods which are rotationally connected with the second vice planar supporting part.

8. A pavement construction method using the intelligent pavement construction paving and tamping device according to claim 7, characterized in that: The method comprises the following steps: S1, initial paving; the engineering vehicle is started, and travels on the road surface which needs to be tamped at a speed of 8 km per hour, and the paving device is synchronously worked, the soil which is pre-paved by the first tamping device is redistributed, and the soil is uniformly paved on the ground from the guide groove in the process of being turned over on the paving plate after being inserted on the paving plate; S2, secondary paving; the engineering vehicle travels reversely along the initial travel track at a speed of 5 km per hour.

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