Asphalt mixing and laying device for road engineering

Abstract

The invention relates to an asphalt mixing and laying device for road engineering, which comprises a cart main body, an asphalt material barrel and a laying mechanism are arranged on the cart main body, a discharging channel is arranged below the asphalt material barrel, the laying mechanism is positioned on one side of the asphalt material barrel, and the laying mechanism comprises a paving plate rotationally connected to the cart main body; the discharging channel is connected to the lower portion of the cart body in a lifting mode through a lifting structure, and the paving plate rotates in the circumferential direction below the lifted discharging channel. According to the asphalt paving device, firstly, discharging is conducted through the discharging channel, then the discharging channel ascends, the paving plate located on one side of the discharging channel can rotate in the circumferential direction to achieve the purpose of paving asphalt, and therefore the situation that the discharging channel hinders rotation of the paving plate is avoided, and the discharging position is made to be close to the paving plate; therefore, a constructor does not need to move the device to move the paving plate to a discharging point, the workload of the constructor for paving asphalt by using a tool can be effectively reduced, and the construction convenience is improved.

Description

Technical Field

[0001] The present application relates to the technical field of road engineering, and in particular to an asphalt mixing paving device used in road engineering. Background Art

[0002] Asphalt pavement refers to various types of pavement paved with road asphalt materials mixed into mineral materials. The asphalt binder improves the ability of paving aggregate to resist damage to the road surface caused by driving and natural factors, making the road surface smooth, less dusty, impermeable and durable. Therefore, asphalt pavement is the most widely used high-grade pavement in road construction.

[0003] With respect to the above-mentioned related technologies, the applicant believes that the discharge port of the existing asphalt paving device is fixed, and workers are required to spread the asphalt using tools after each discharge. The construction is not convenient enough and needs to be improved. Summary of the invention

[0004] In order to reduce the workload of workers in spreading asphalt with tools and improve the convenience of construction, the present application provides an asphalt mixing paving device for road engineering.

[0005] The asphalt mixing paving device for road engineering provided in the present application adopts the following technical solution: An asphalt mixing paving device for road engineering includes a cart body, an asphalt barrel and a paving mechanism are provided on the cart body, a discharge channel is provided below the asphalt barrel, the paving mechanism is located on one side of the asphalt barrel, and the paving mechanism includes a paving plate rotatably connected to the cart body, the discharge channel is lifted and connected below the cart body through a lifting structure, and the paving plate rotates circumferentially below the discharge channel after being raised.

[0006] By adopting the above technical scheme, the material is first discharged through the discharge channel, and then the discharge channel is raised. The paving plate located on one side of the discharge channel can rotate circumferentially to achieve the purpose of spreading the asphalt, thereby avoiding the discharge channel hindering the rotation of the paving plate, and making the discharge point close to the paving plate, so that the construction personnel do not need to use a mobile device to move the paving plate to the discharge point, which can effectively reduce the workload of the construction personnel in spreading the asphalt with tools and improve the convenience of construction.

[0007] Preferably, the discharge channel includes a fixed pipe and a telescopic hose, the fixed pipe is connected and fixed under the asphalt barrel, and the telescopic hose is connected under the fixed pipe; the lifting structure includes a lifting pipe and a lifting rod connected to the fixed pipe, the lifting pipe is sleeved outside the telescopic hose, and the lower end side wall of the telescopic hose is fixed to the lower part of the inner side wall of the lifting pipe through a fixed block; a cylinder is fixed below the cart body and on one side of the fixed pipe, the lifting rod is fixed to the output end of the cylinder, and the lifting rod is extended and fixed at the end side wall of the lifting pipe.

[0008] By adopting the above technical scheme, the retractable telescopic hose is connected under the fixed pipe, which is convenient for unloading materials to the ground and can also make way for the paving plate by the contraction of the telescopic hose; the lifting pipe sleeve is arranged outside the telescopic hose to protect the telescopic hose, reduce the erosion of the telescopic hose by the external environment, and help extend the service life of the telescopic hose; the lifting rod is driven by the cylinder, which drives the lifting pipe and the telescopic hose to rise and fall, making the unloading and paving operations more convenient.

[0009] Preferably, the lifting tube is located inside the fixed tube, the lifting tube extends upward and is bent to form an extension plate, and the inner side wall of the fixed tube is provided with an extension groove for the extension plate to be inserted and slide.

[0010] By adopting the above technical solution, the lifting tube is located inside the fixed tube, which is convenient for hiding the structure of the extension plate and the extension groove. The connection between the lifting tube and the fixed tube is maintained through the cooperation of the extension plate and the extension groove, and the lifting tube can be lifted and lowered relative to the fixed tube.

[0011] Preferably, the fixed pipe, the lifting pipe and the telescopic hose are respectively located on both sides of the paving plate, and the relative lifting pipes are connected by a linkage rod.

[0012] By adopting the above technical solution, the telescopic hoses for lowering asphalt are arranged on both sides of the paving plate and linked with a linkage rod. On the one hand, the asphalt on both sides of the paving plate can be paved synchronously by the rotation of the paving plate, and on the other hand, the asphalt can be laid more evenly.

[0013] Preferably, the paving mechanism further comprises a material baffle plate, which is respectively fixed at two ends of the paving plate, and the material baffle plate extends symmetrically towards both sides of the end of the paving plate.

[0014] By adopting the above technical solution, the material baffle is used to avoid asphalt material overflow during the paving process.

[0015] Preferably, a driving motor is provided on the cart body and between the relative fixed tubes, a fixed sleeve rod is fixed on the output end of the driving motor, the fixed sleeve rod is fixed to the middle of the paving plate, and the paving plate is lifted and connected to the fixed sleeve rod through the mounting structure.

[0016] By adopting the above technical solution, the asphalt paving operation is completed by driving the fixed sleeve rod and the paving plate to rotate circumferentially through the driving motor.

[0017] Preferably, the mounting structure includes a mounting rod and a mounting spring that are lifted and connected to the fixed sleeve rod, the mounting rod is fixed on the paving plate, and two ends of the mounting spring are respectively fixed on the mounting rod and at corresponding positions in the fixed sleeve rod.

[0018] By adopting the above technical solution, the paving plate is provided with a downward compacting force by setting up the installation spring, and at the same time the paving plate has a certain lifting space. Therefore, when encountering an uneven road surface, the paving plate can be adaptively adjusted to facilitate the asphalt paving operation.

[0019] Preferably, the opening and closing plate is rotatably connected to the fixed tube through a rotating shaft, and the shape of the opening and closing plate matches the fixed tube, and one end of the rotating shaft is passed through the outside of the fixed tube; when the rotating shaft rotates, the opening and closing plate flips to a vertical or horizontal state; the end of the rotating shaft passing through the outside of the fixed tube can be fixed by a fixing bolt.

[0020] In summary, the present application includes at least one of the following beneficial technical effects: First, the material is discharged through the discharge channel, and then the discharge channel is raised. The paving plate located on one side of the discharge channel can rotate circumferentially to achieve the purpose of spreading asphalt, thereby avoiding the discharge channel from hindering the rotation of the paving plate, and making the discharge point close to the paving plate, so that the construction personnel do not need to move the device to move the paving plate to the discharge point, which can effectively reduce the workload of the construction personnel to spread asphalt with tools and improve the convenience of construction; The retractable telescopic hose is connected to the bottom of the fixed pipe, which is convenient for unloading materials to the ground and can also make way for the paving plate by the contraction of the telescopic hose; the lifting pipe is set outside the telescopic hose to protect the telescopic hose and reduce the erosion of the telescopic hose by the external environment, thereby helping to extend the service life of the telescopic hose; the lifting rod is driven by the cylinder to drive the lifting pipe and the telescopic hose to rise and fall, making the unloading and paving operations more convenient; The telescopic hoses for discharging asphalt are arranged on both sides of the paving plate and linked with a linkage rod. On the one hand, the asphalt on both sides of the paving plate can be paved synchronously through the rotation of the paving plate, and on the other hand, the asphalt can be paved more evenly. By setting up the installation spring, the paving plate has a downward compacting force, and at the same time, the paving plate has a certain lifting space. Therefore, when encountering uneven road surface, the paving plate can be adaptively adjusted to facilitate the asphalt paving operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application; Figure 2 1 is a schematic cross-sectional view of the opening and closing plate in the fixed pipe of an embodiment of the present application; Figure 3 It is a schematic diagram of a partially exploded structure of the fixed pipe, the lifting pipe and the telescopic hose in the embodiment of the present application; Figure 4 It is a schematic diagram of the partial cross-sectional structure of the mounting rod and the mounting spring of the embodiment of the present application.

[0022] Explanation of the reference numerals in the accompanying drawings: 1. Cart body; 11. Cylinder; 2. Asphalt barrel; 3. Laying mechanism; 31. Laying plate; 32. Material baffle plate; 4. Discharge channel; 41. Fixed pipe; 411. Rotating shaft; 412. Opening and closing plate; 42. Telescopic hose; 421. Fixed block; 5. Lifting structure; 51. Lifting pipe; 511. Extension plate; 52. Lifting rod; 6. Driving motor; 7. Fixed sleeve rod; 8. Mounting structure; 81. Mounting rod; 82. Mounting spring; 9. Linkage rod. DETAILED DESCRIPTION

[0023] The present application is further described in detail below in conjunction with the accompanying drawings.

[0024] The present application embodiment discloses an asphalt mixing paving device for road engineering, referring to Figure 1 The trolley body 1 includes an asphalt barrel 2 and a laying mechanism 3. A discharge channel 4 is provided below the asphalt barrel 2. The laying mechanism 3 is arranged on opposite sides of the asphalt barrel 2. The material is first discharged through the discharge channel 4, and then the asphalt laying work is carried out by the laying mechanism 3.

[0025] Reference Figure 1 , 2 The discharge channel 4 is relatively arranged below the asphalt barrel 2, and the discharge channel 4 includes a fixed pipe 41 and a telescopic hose 42. The fixed pipe 41 is connected and fixed below the asphalt barrel 2, and the telescopic hose 42 is connected to the bottom of the fixed pipe 41. The upper part of the fixed pipe 41 is rotatably connected with an opening and closing plate 412 whose shape matches the fixed pipe 41 through a rotating shaft 411, and one end of the rotating shaft 411 is passed through the outside of the fixed pipe 41; the rotating shaft 411 is driven to rotate on the outside to drive the opening and closing plate 412 to flip to a vertical downward state to discharge the material. When the discharge is stopped, the opening and closing plate 412 is flipped again to a horizontal state to play a sealing role. The end of the rotating shaft passing through the outside of the fixed pipe 41 can be fixed by a fixing bolt against the outer wall of the fixed pipe 41 in different states.

[0026] Reference Figure 1 , 3 The telescopic hose 42 is connected to the bottom of the cart body 1 through the lifting structure 5; the lifting structure 5 includes a lifting tube 51 and a lifting rod 52 which are connected to the fixed tube 41. The lifting tube 51 is sleeved on the outside of the telescopic hose 42. The lower end side wall of the telescopic hose 42 is fixed to the lower part of the inner wall of the lifting tube 51 through a relatively arranged fixing block 421, and the lifting tube 51 is located on the inner side of the fixed tube 41. The lifting tube 51 extends upward and bends outward to form a relative extension plate 511. The inner side wall of the fixed tube 41 is provided with an extension groove for the extension plate 511 to be inserted and slided, thereby maintaining the connection between the lifting tube 51 and the fixed tube 41, and allowing the lifting tube 51 to be lifted relative to the fixed tube 41.

[0027] Reference Figure 1, 3 The lifting pipe 51 relatively arranged below the asphalt barrel 2 is connected through a linkage rod 9, so that the lifting pipes 51 and the telescopic hose 42 on the left and right sides can be lifted and lowered synchronously.

[0028] Reference Figure 1 , 3 A cylinder 11 is fixed below the cart body 1 and on one side of the fixed tube 41, a lifting rod 52 is fixed to the output end of the cylinder 11, and the lifting rod 52 is laterally extended and fixed to the side wall of the lower end of the lifting tube 51; the retractable telescopic hose 42 is connected to the lower side of the fixed tube 41, which is convenient for unloading materials to the ground and can also make way for the paving plate 31 through the contraction of the telescopic hose 42; the lifting tube 51 is sleeved outside the telescopic hose 42, which protects the telescopic hose 42, reduces the erosion of the telescopic hose 42 by the external environment, and helps to extend the service life of the telescopic hose 42; the lifting rod 52 is driven by the cylinder 11, which drives the lifting tube 51 and the telescopic hose 42 to rise and fall, making the unloading and paving operations more convenient.

[0029] Reference Figure 1 , 3 The paving mechanism 3 includes a paving plate 31 rotatably connected to the bottom of the trolley body 1, the paving plate 31 is located between the opposite lifting pipes 51, and the paving plate 31 can rotate circumferentially under the raised telescopic hose 42; therefore, on the one hand, the asphalt on both sides of the paving plate 31 can be synchronously paved through the rotation of the paving plate 31, and on the other hand, the asphalt can be laid more evenly.

[0030] Reference Figure 1 The paving mechanism 3 also includes a material baffle plate 32, which is respectively fixed at both ends of the paving plate 31, and the material baffle plate 32 extends symmetrically on both sides of the end of the paving plate 31; the setting of the material baffle plate 32 is used to prevent asphalt material from overflowing during the paving process.

[0031] Reference Figure 1 , 4 A driving motor 6 is provided on the cart body 1 and between the relative fixed tubes 41, and a fixed sleeve rod 7 is fixed on the output end of the driving motor 6. The fixed sleeve rod 7 is fixed to the middle part of the paving plate 31. The paving plate 31 is connected to the fixed sleeve rod 7 by the mounting structure 8 for lifting and lowering. The fixed sleeve rod 7 and the paving plate 31 are driven by the driving motor 6 to rotate circumferentially.

[0032] Reference Figure 1 , 4The mounting structure 8 includes a mounting rod 81 and a mounting spring 82 which are connected to the fixed sleeve rod 7 by lifting. The mounting rod 81 is fixed on the paving plate 31, and the two ends of the mounting spring 82 are respectively fixed on the mounting rod 81 and the corresponding positions in the fixed sleeve rod 7. By setting the mounting spring 82, the paving plate 31 has a downward compacting force, and at the same time, the paving plate 31 has a certain lifting space. Therefore, when encountering an uneven road surface, the paving plate 31 can be adaptively adjusted to facilitate the completion of the asphalt paving operation.

[0033] The working process of the present application is as follows: in the initial state, the telescopic hose 42 is in a stretched state and close to the ground, and the paving plate 31 is arranged parallel to the relative fixed pipe 41 and the telescopic hose 42; after the telescopic hose 42 puts the asphalt, the cylinder 11 drives the lifting rod 52 to drive the lifting pipe 51 to rise, and the telescopic hose 42 is retracted at this time to provide space for the rotation of the paving plate 31; then the driving motor 6 is started to make the paving plate 31 rotate circumferentially to spread the asphalt on the left and right sides, and the rapid paving of asphalt is completed through repeated cycle operations, thereby improving construction efficiency.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An asphalt mixing paving device for road engineering, comprising a cart body (1), characterized in that: The trolley body (1) is provided with an asphalt barrel (2) and a laying mechanism (3); a discharge channel (4) is provided below the asphalt barrel (2); the laying mechanism (3) is located on one side of the asphalt barrel (2); and the laying mechanism (3) includes a laying plate (31) rotatably connected to the trolley body (1); the discharge channel (4) is connected to the bottom of the trolley body (1) by a lifting structure (5); and the laying plate (31) rotates circumferentially below the discharge channel (4) after being lifted.

2. The asphalt mixing paving device for road engineering according to claim 1, characterized in that: The discharge channel (4) comprises a fixed pipe (41) and a telescopic hose (42); the fixed pipe (41) is connected to and fixed below the asphalt barrel (2); a closable opening and closing plate (412) is arranged inside the fixed pipe (41); the telescopic hose (42) is connected below the fixed pipe (41); the lifting structure (5) comprises a lifting pipe (51) and a lifting rod (52) connected to the fixed pipe (41); the lifting pipe (51) is sleeved outside the telescopic hose (42); the lower end side wall of the telescopic hose (42) is fixed to the lower part of the inner side wall of the lifting pipe (51) through a fixing block (421); a cylinder (11) is fixed below the trolley body (1) and on one side of the fixed pipe (41); the lifting rod (52) is fixed to the output end of the cylinder (11), and the lifting rod (52) is extended and fixed to the end side wall of the lifting pipe (51).

3. The asphalt mixing paving device for road engineering according to claim 2, characterized in that: The lifting tube (51) is located inside the fixed tube (41), and the lifting tube (51) extends upward and is bent to form an extension plate (511). The inner wall of the fixed tube (41) is provided with an extension groove for the extension plate (511) to be inserted and slide.

4. The asphalt mixing paving device for road engineering according to claim 2, characterized in that: The fixed pipe (41), the lifting pipe (51) and the telescopic hose (42) are respectively located on both sides of the paving plate (31), and the opposite lifting pipes (51) are connected by a linkage rod (9).

5. The asphalt mixing paving device for road engineering according to claim 1, characterized in that: The paving mechanism (3) further comprises a material blocking plate (32), wherein the material blocking plate (32) is respectively fixed to two ends of the paving plate (31), and the material blocking plate (32) extends symmetrically towards both sides of the end of the paving plate (31).

6. The asphalt mixing paving device for road engineering according to claim 1, characterized in that: A driving motor (6) is provided on the cart body (1) and between the opposite fixing tubes (41); a fixing sleeve rod (7) is fixed to the output end of the driving motor (6); the fixing sleeve rod (7) is fixed to the middle of the paving plate (31); and the paving plate (31) is connected to the fixing sleeve rod (7) by means of a mounting structure (8) for lifting.

7. The asphalt mixing paving device for road engineering according to claim 6, characterized in that: The mounting structure (8) comprises a mounting rod (81) and a mounting spring (82) which are connected to the fixed sleeve rod (7) in a lifting manner; the mounting rod (81) is fixed on the paving plate (31); and two ends of the mounting spring (82) are respectively fixed on the mounting rod (81) and at corresponding positions in the fixed sleeve rod (7).

8. The asphalt mixing paving device for road engineering according to claim 2, characterized in that: The opening and closing plate (412) is rotatably connected to the fixed tube (41) via a rotating shaft (411), and the shape of the opening and closing plate (412) matches that of the fixed tube (41), and one end of the rotating shaft (411) is passed through the outside of the fixed tube (41); when the rotating shaft (411) rotates, the opening and closing plate (412) flips to a vertical or horizontal state; and one end of the rotating shaft (411) passed through the outside of the fixed tube (41) can be fixed by a fixing bolt.

Images