Pavement asphalt laying mechanism convenient to adjust

Abstract

The utility model relates to the technical field of road construction machinery, in particular to a pavement asphalt paving mechanism convenient to adjust, which comprises a back plate, a storage box and an adjusting device, a support plate is fixedly mounted at one end of the back plate, and two groups of fixing plates are mounted at the lower parts of the left and right ends of one side, far away from the back plate, of the support plate; due to the fact that the directions of threads at the two ends of the two-way screw are opposite, when the screw rotates, the two square nuts can move in the opposite or opposite directions, the square nuts move to drive the adjusting blocks fixed to the square nuts to slide along the rails on the supporting plate, and the adjusting blocks move along with the adjusting blocks and through the linkage effect of the shear fork type connecting rods. All the adjusting blocks can synchronously move outwards or inwards, the discharging pipe at the tail end of each adjusting block can be changed along with the position change of the adjusting block, by adjusting the position of the discharging head, the device can flexibly adapt to pavement of pavements with different widths, and the adaptability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road construction machinery technical field, concretely is a road surface asphalt laying mechanism convenient to adjust. BACKGROUND

[0002] It is known that with the acceleration of urbanization, road construction becomes an important part of infrastructure development, and asphalt pavement is widely used in highway construction and maintenance due to its good driving comfort and low noise characteristics, however, in the actual construction process, the traditional road surface asphalt laying equipment has some obvious shortcomings.

[0003] The traditional asphalt laying equipment is often designed for a specific width of road, and once it is necessary to lay a road surface of different width, the equipment must be replaced or complex adjustment is carried out, resulting in low construction efficiency, and due to the lack of effective adjustment mechanism, the traditional equipment is prone to laying width and laying unevenness during laying process, which affects the quality of the road. SUMMARY

[0004] (I) technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides a road surface asphalt laying mechanism convenient to adjust.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a road surface asphalt laying mechanism convenient to adjust, including backboard, storage tank, adjusting device, one end of backboard is fixedly installed with support plate, two groups of fixed plates are installed on the lower part of the left and right ends of the side of support plate away from backboard, adjusting device includes two-way screw rod, first motor, square nut, adjusting block and scissor type connecting rod, two-way screw rod is rotatably installed between two groups of fixed plates, one end of two-way screw rod penetrates the side wall of fixed plate and is installed with first motor, square nut is threadedly installed on the left and right ends of two-way screw rod, a plurality of adjusting blocks are slidably installed on the side of support plate away from backboard, every two adjacent adjusting blocks are hingedly connected through scissor type connecting rod, two groups of square nuts are fixedly connected with the bottom wall of two groups of adjusting blocks on the left and right ends, storage tank is fixedly installed on the top wall of support plate, feed inlet is installed at the top of storage tank, stirring device is installed in storage tank, discharge pipe is installed on one end of every adjusting block away from support plate through connecting rod, discharge head is installed at the bottom end of discharge pipe, telescopic pipe is installed on the side wall of storage tank, pump body is installed on the outer wall of telescopic pipe, one end of telescopic pipe away from pump body is connected with the top end of discharge pipe.

[0008] In order to guide the movement of the adjusting block, the utility model improves, the support plate is equipped with T type sliding slot in the end far from the back plate, the adjusting block is fixedly installed with T type sliding block in the end of the side wall close to the support plate, the T type sliding block is connected with the T type sliding slot slidingly.

[0009] In order to stir the material in the storage tank, the utility model improves, the stirring device includes second motor, stirring shaft and stirring rod, the side wall of the storage tank is installed with the second motor, the output of the second motor is installed with the stirring shaft through the side wall of the storage tank, the side wall of the stirring shaft is installed with the stirring rod in ring shape.

[0010] In order to facilitate material feeding, the utility model improves, the feeding port is installed with the feeding hopper.

[0011] In order to increase the support strength of the storage tank, the utility model improves, the reinforcing rod is installed between the support plate and the storage tank.

[0012] In order to guarantee the stability and accuracy of the operation of the first motor and the second motor, the utility model improves, the first motor and the second motor are all servo motors.

[0013] In order to limit the sprayed asphalt, the two groups of adjusting blocks located at the both ends of the bidirectional screw rod are fixedly installed with the limiting plate on the side far from each other.

[0014] In order to flatten the asphalt, the side wall of the corresponding side of the two groups of limiting plates is fixedly installed with the two groups of fixed shafts staggeredly, and the two groups of fixed shafts are all rotatably installed with the compression roller.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a road asphalt paving mechanism convenient to adjust, has the following beneficial effects:

[0017] The road asphalt paving mechanism convenient to adjust, through the adjusting device set up, the linkage effect of the scissor type connecting rod makes all the adjusting blocks can move synchronously, drives and adjusts the position of the discharge head, can flexibly adapt to the road paving demand of different width, so that a device can be used in various construction environments, the operator only needs to start the first motor, can quickly complete the adjustment of the spraying width, improves the response speed of the equipment, when the equipment advances, the asphalt sprayed by the discharge head can be evenly distributed within the preset width, guarantees the uniformity of paving, the operator only needs to monitor the paving situation in real time, adjusts the first motor steering when necessary to fine-tune the spraying width, reduces the labor intensity.

[0018] The pavement asphalt paving mechanism convenient to adjust, through the setting of the limiting plate and the compression roller, the limiting plate can prevent the asphalt from exceeding the predetermined paving width as the physical barrier, ensure the clear boundary of the paving width, avoid the asphalt from spreading to the area which does not need to be paved, since the clear boundary, the workload of trimming the excess asphalt in the subsequent need is reduced, the construction efficiency is improved, the compression roller performs the flattening work in time while paving the asphalt, the workload of a large amount of subsequent need to be flattened is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic view of the utility model;

[0020] Figure 2 It is the three-dimensional structure schematic view of the utility model limiting plate, fixed shaft and compression roller hidden;

[0021] Figure 3 It is the partial A place enlarged structure schematic view of the utility model; Figure 2

[0022] Figure 4 It is the internal three-dimensional structure schematic view of the utility model storage tank.

[0023] In the drawing: 1, back plate; 2, storage tank; 3, support plate; 4, fixed plate; 5, bidirectional screw; 6, first motor; 7, square nut; 8, adjusting block; 9, scissor type connecting rod; 10, feed inlet; 11, discharge pipe; 12, discharge head; 13, telescopic pipe; 14, pump body; 15, T-shaped sliding groove; 16, T-shaped sliding block; 17, second motor; 18, stirring shaft; 19, stirring rod; 20, feed hopper; 21, reinforcing rod; 22, limiting plate; 23, fixed shaft; 24, compression roller. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 ​The utility model provides a kind of road asphalt paving mechanism of convenient adjustment, including backboard 1, storage tank 2, adjusting device, one end of the backboard 1 is fixedly installed with support plate 3, two groups of fixed plate 4 are installed in the lower part of the left and right ends of the side of support plate 3 away from backboard 1, the adjusting device includes two-way screw 5, first motor 6, square nut 7, adjusting block 8 and scissor type connecting rod 9, two groups of fixed plate 4 are rotatably installed between two-way screw 5, one end of two-way screw 5 is installed with first motor 6, and the left and right ends of two-way screw 5 are threadedly installed with square nut 7, the side of support plate 3 away from backboard 1 is slidably installed with multiple adjusting blocks 8, and every two groups of adjacent adjusting blocks 8 are hingedly connected by scissor type connecting rod 9, and the bottom wall of two groups of square nut 7 and the left and right ends of two groups of adjusting block 8 are fixedly connected, the top wall of support plate 3 is fixedly installed with storage tank 2, the top end of storage tank 2 is installed with feed inlet 10, and stirring device is installed in storage tank 2, and the bottom end of discharge pipe 11 is installed with discharge head 12, the side wall of storage tank 2 is installed with telescopic pipe 13, the outer wall of telescopic pipe 13 is installed with pump body 14, and the top end of discharge pipe 11 is connected with the end of telescopic pipe 13 away from pump body 14, in the embodiment, first, the device is installed on the equipment that pulls the device to move by backboard 1, then when it is needed to adjust the jet width range of discharge head 12 according to the width of asphalt road to be paved, operator starts first motor 6, which drives two-way screw 5 to rotate, because the thread direction of the left and right ends of two-way screw 5 is opposite, when screw rotates, two square nuts 7 move to opposite or relative direction, the movement of square nut 7 drives adjusting block 8 fixedly connected with it to slide along the track on support plate 3, with the movement of adjusting block 8, through the linkage effect of scissor type connecting rod 9, all adjusting blocks 8 can be synchronously moved outward or inward, and the discharge pipe 11 at the end of each adjusting block 8 changes with the position change of adjusting block 8, to change the jet width range of discharge head 12, open pump body 14 on the side wall of storage tank 2 (the delivery amount of pump body 14 is adjusted and determined by the interval of discharge head 12 after adjusting width and the thickness of asphalt to be paved), and the asphalt material is transported to discharge pipe 11 through telescopic pipe 13, equipment starts to advance, and discharge head 12 starts to jet asphalt, the position and interval of adjusting block 8 are pre-set, to ensure that the jet width of asphalt meets the requirements, operator needs to monitor the paving condition in real time, to ensure that jet width and thickness meet the standard, if necessary, the jet width can be changed by adjusting the rotation direction of first motor 6, and the paving of road surface of different width can be flexibly adapted by adjusting the position of discharge head 12, to improve the adaptability of equipment, more accurately control the paving width of asphalt material, reduce the demand of manual intervention, and improve the precision of paving.

[0026] In actual use, the movement of the adjusting block 8 is further guided. In this embodiment, a T-shaped sliding groove 15 is formed in the end of the support plate 3 away from the back plate 1, and a T-shaped sliding block 16 is fixedly installed on the side wall of the end of the adjusting block 8 close to the support plate 3. The T-shaped sliding block 16 is in sliding connection with the T-shaped sliding groove 15. The T-shaped sliding block 16 installed on the adjusting block 8 is embedded in the T-shaped sliding groove 15 formed in the support plate 3, forming a stable mechanical connection. When the first motor 6 drives the bidirectional screw rod 5 to rotate, the square nut 7 moves along the screw rod in the axial direction, and then drives the adjusting block 8 to slide along the T-shaped sliding groove 15. The design of the T-shaped sliding block 16 and the sliding groove limits the displacement of the adjusting block 8 in the direction perpendicular to the sliding direction, so that the adjusting block 8 can only move along the predetermined straight line path. The design of the T-shaped sliding block 16 and the T-shaped sliding groove 15 effectively prevents the adjusting block 8 from shaking or deviating during movement, thereby improving the mechanical stability of the entire system.

[0027] In actual use, the material in the storage tank 2 is further stirred. In this embodiment, the stirring device includes a second motor 17, a stirring shaft 18, and a stirring rod 19. The second motor 17 is installed on the side wall of the storage tank 2. The output end of the second motor 17 is provided with the stirring shaft 18 which penetrates the side wall of the storage tank 2. The stirring shaft 18 is provided with the stirring rod 19 which is annularly installed on the side wall thereof. The operator starts the second motor 17 installed on the side wall of the storage tank 2. The output end of the second motor 17 drives the stirring shaft 18 to rotate. The stirring shaft 18 penetrates the side wall of the storage tank 2 and extends into the interior of the storage tank 2. With the rotation of the stirring shaft 18, the stirring rod 19 installed on the side wall thereof starts to stir the material in the storage tank 2. Through continuous stirring, the stratification, solidification or precipitation of the material caused by temperature drop or long standing time can be avoided, thereby ensuring the uniformity of the material.

[0028] In actual use, the material feeding is further facilitated. In this embodiment, a feeding hopper 20 is installed on the feeding port 10. The feeding hopper 20 provides a clear material inlet, so that the transport vehicle or other loading tools can accurately pour the material into the storage tank 2. In this way, the material can be directly guided into the storage tank 2, reducing the spilling of the material during pouring and maintaining the cleanliness of the working environment.

[0029] In actual use, the support strength of the storage tank 2 is further increased. In this embodiment, a reinforcing rod 21 is installed between the support plate 3 and the storage tank 2. The reinforcing rod 21 connects the support plate 3 and the storage tank 2, thereby increasing the rigidity of the structure of the storage tank 2 and preventing the storage tank 2 from being deformed or damaged due to heavy load.

[0030] In actual use, further ensure the stability and accuracy of the operation of the first motor 6 and the second motor 17, in the embodiment, the first motor 6 and the second motor 17 are both servo motors, which can control position, speed and torque with high precision, and the servo motor adopts closed-loop control, has good stability, can avoid stall, vibration and other problems, and ensures the stability and accuracy of the operation of the first motor 6 and the second motor 17.

[0031] In actual use, further limit the sprayed asphalt, in the embodiment, the two groups of adjusting blocks 8 located at both ends of the bidirectional screw 5 are fixedly installed with limiting plates 22 on the sides away from each other, the limiting plates 22 can act as a physical barrier to prevent the asphalt from exceeding the predetermined paving width, and ensure that the paving width boundary is clear.

[0032] In actual use, further flatten the asphalt, in the embodiment, the two groups of limiting plates 22 are fixedly installed with two groups of fixed shafts 23 on the corresponding side walls, and the two groups of fixed shafts 23 are both rotatably installed with pressing rollers 24, when the adjusting block 8 drives the discharge pipe 11 to move and spray asphalt, the pressing roller 24 will roll on the surface of the paving asphalt, and as the equipment advances, the pressing roller 24 rolls on the surface of the asphalt, which will preliminarily flatten and compact the just sprayed asphalt, making the surface more uniform, and the pressing roller 24 continuously repeats the flattening action with the movement of the equipment until the entire paving area is completed, the pressing roller 24 can flatten the asphalt immediately during paving, and through immediate flattening, the paving efficiency can be significantly improved because part of the flattening work has been completed during paving.

[0033] In order to explain the possible application scenarios, technical principles, specific schemes that can be implemented, purposes and effects that can be achieved, etc. of the present application, the following will be described in detail in combination with the specific embodiments listed and the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A road asphalt paving mechanism with easy adjustment, comprising a back plate (1), a storage box (2), an adjusting device, characterized in that: One end of the backboard (1) is fixedly installed with a supporting plate (3), two groups of fixed plates (4) are installed at the lower part of the left and right ends of the side away from the backboard (1) of the supporting plate (3), the adjusting device comprises a bidirectional screw (5), a first motor (6), a square nut (7), an adjusting block (8) and a scissor type connecting rod (9), the bidirectional screw (5) is rotatably installed between the two groups of fixed plates (4), a first motor (6) is installed at one end of the bidirectional screw (5) penetrating the side wall of the fixed plate (4), the square nut (7) is threadedly installed at the left and right ends of the bidirectional screw (5), a plurality of adjusting blocks (8) are slidably installed on the side away from the backboard (1) of the supporting plate (3), every two adjacent adjusting blocks (8) are hingedly connected through the scissor type connecting rod (9), the two groups of square nuts (7) are fixedly connected with the bottom walls of the two groups of adjusting blocks (8) at the left and right ends, the top wall of the supporting plate (3) is fixedly installed with the storage box (2), a feeding port (10) is installed at the top of the storage box (2), a stirring device is installed in the storage box (2), an outlet pipe (11) is installed at one end of each group of adjusting blocks (8) away from the supporting plate (3) through a connecting rod, an outlet head (12) is installed at the bottom end of the outlet pipe (11), an expansion pipe (13) is installed on the side wall of the storage box (2), a pump body (14) is installed on the outer wall of the expansion pipe (13), and one end of the expansion pipe (13) away from the pump body (14) is connected with the top end of the outlet pipe (11).

2. A road paving mechanism according to claim 1, wherein: A T-shaped sliding groove (15) is formed at one end of the supporting plate (3) away from the backboard (1), a T-shaped sliding block (16) is fixedly installed on the side wall of one end of the adjusting block (8) close to the supporting plate (3), and the T-shaped sliding block (16) is slidably connected with the T-shaped sliding groove (15).

3. A road paving mechanism according to claim 2, wherein: The stirring device comprises a second motor (17), a stirring shaft (18) and a stirring rod (19), the second motor (17) is installed on the side wall of the storage box (2), the output end of the second motor (17) penetrates the side wall of the storage box (2) and is installed with the stirring shaft (18), and the side wall of the stirring shaft (18) is annularly installed with the stirring rod (19).

4. A road paving mechanism according to claim 3, wherein: A feeding hopper (20) is installed on the feeding port (10).

5. A road paving mechanism according to claim 4, wherein: A reinforcing rod (21) is installed between the supporting plate (3) and the storage box (2).

6. A road paving mechanism according to claim 5, wherein: The first motor (6) and the second motor (17) are both servo motors.

7. A road paving mechanism according to claim 6, wherein: Limiting plates (22) are fixedly installed on the sides away from each other of the two groups of adjusting blocks (8) at the two ends of the bidirectional screw (5).

8. A road paving mechanism according to claim 7, wherein: Two groups of fixed shafts (23) are fixedly installed on the side walls of the opposite sides of the two groups of limiting plates (22) in a staggered manner, and a press roller (24) is rotatably installed on the two groups of fixed shafts (23).

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