Asphalt paver for road and bridge construction

Abstract

The utility model relates to the field of asphalt paving, and discloses an asphalt paver for road and bridge construction, which comprises a paver, a feeding hopper is arranged on the front side of the paver, a turnover mechanism is arranged on the upper side of the feeding hopper, the turnover mechanism comprises a supporting assembly and a power assembly, and the supporting assembly is connected with the power assembly. The supporting assembly comprises two sets of bottom plates, the bottom plates are rotationally connected to the inner side of the feeding hopper, the rear sides of the bottom plates are rotationally connected with connecting rods, the right sides of the connecting rods are rotationally connected with sliding blocks, the upper portion of the rear side of the feeding hopper is fixedly connected with sliding rails, and the sliding blocks are slidably connected to the outer sides of the sliding rails. According to the asphalt cleaning device disclosed by the utility model, the turnover mechanism and the feeding hopper are matched for use, and when residual asphalt is cleaned, the driving motor drives the bidirectional lead screw to rotate, so that the sliding block drives the bottom plate to rotate, the asphalt slides onto a conveying belt on the paver, and the working intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of asphalt paving, especially to an asphalt paver for road and bridge construction. BACKGROUND

[0002] In the field of road and bridge engineering, with the continuous growth of transportation demand and the continuous improvement of infrastructure quality requirements, asphalt material plays a crucial role, asphalt as a binder, firmly bonds the aggregate (such as gravel, sand, etc.) in the road together, forming asphalt mixture with certain strength and stability. This mixture can evenly disperse vehicle load, prevent aggregate from loosening and displacement, and ensure the integrity of the pavement.

[0003] Asphalt paver is a key mechanical equipment for road construction and maintenance, mainly used for uniformly paving hot mix asphalt mixture on road base to form high-quality asphalt pavement.

[0004] With the increasing number of road and bridge construction projects and the continuous expansion of scale, the use frequency of asphalt paver has also increased significantly. Since the two sides of the feeding hopper of the asphalt paver are horizontally arranged, after filling asphalt, there will be asphalt left on it, which needs to be cleaned by workers manually, thereby increasing the working intensity of workers. Therefore, an asphalt paver for road and bridge construction is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides an asphalt paver for road and bridge construction, aiming to improve the problem of "after filling asphalt, there will be asphalt left on it, which needs to be cleaned by workers manually, thereby increasing the working intensity of workers" in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: an asphalt paver for road and bridge construction, comprising a paver, a feeding hopper is arranged on the front side of the paver, a turnover mechanism is arranged on the upper side of the feeding hopper, the turnover mechanism comprises a supporting assembly and a power assembly, the turnover mechanism comprises a supporting assembly and a power assembly, the supporting assembly comprises a bottom plate, the bottom plate is rotatably connected to the inner side of the feeding hopper, the bottom plate is provided with two groups, a connecting rod is rotatably connected to the rear side of the bottom plate, a sliding block is rotatably connected to the right side of the connecting rod, a slide rail is fixedly connected to the upper part of the rear side of the feeding hopper, the sliding block is slidably connected to the outer side of the slide rail, a bidirectional screw rod is threadedly connected to the rear side of the sliding block, a fixed block is fixedly connected to the rear side of the feeding hopper, and the bidirectional screw rod is rotatably connected to the inner wall of the fixed block.

[0007] Further description of the above technical scheme:

[0008] The power assembly includes a driving motor fixedly connected to the rear upper part of the feeding hopper, and an output shaft of the driving motor is fixedly connected to the right side of the bidirectional lead screw.

[0009] As a further description of the above technical solution:

[0010] The fixing blocks are provided in three groups, and the three groups of fixing blocks are respectively arranged on the left and right sides and the middle of the bidirectional lead screw.

[0011] As a further description of the above technical solution:

[0012] The connecting rods and the sliding blocks are provided in two groups, and the two groups of connecting rods and sliding blocks are symmetrically arranged with the center line of the feeding hopper as the axis of symmetry.

[0013] As a further description of the above technical solution:

[0014] The bottom plate is provided with an anti-sticking coating on the outer side.

[0015] As a further description of the above technical solution:

[0016] The rear side of the feeding hopper is provided with a protection assembly, the protection assembly includes a protection cover, the protection cover is arranged on the rear side of the feeding hopper, a chute is formed in the front side of the protection cover, and the sliding block slides on the inner wall of the chute.

[0017] As a further description of the above technical solution:

[0018] The protection cover is provided with a plug column fixedly connected to the lower side of the front part, and a plug hole is formed in the upper part of the rear side of the feeding hopper, and the plug column is inserted into the inner wall of the plug hole.

[0019] As a further description of the above technical solution:

[0020] The lower side of the protection cover is provided with a heat dissipation hole.

[0021] The utility model has the advantages that:

[0022] 1、The utility model discloses a feeding hopper and a turnover mechanism are used in cooperation, when the residual asphalt is cleaned, the driving motor drives the bidirectional lead screw to rotate, the sliding block drives the bottom plate to rotate, and the asphalt slides into the conveying belt on the paver, so that the working strength of workers is reduced.

[0023] 2、The utility model discloses a protection assembly and a feeding hopper are used in cooperation, when the turnover mechanism works, the sliding rail and the bidirectional lead screw can be protected, damage to the sliding rail and the bidirectional lead screw caused by external factors such as dust, impurities and collision can be effectively reduced, the probability of equipment failure is reduced, and the service life of the equipment is prolonged. DRAWINGS

[0024] Figure 1 This is a three-dimensional structural diagram of the overall device in this utility model;

[0025] Figure 2 This is a three-dimensional structural diagram of the disassembled hopper and bottom plate in this utility model;

[0026] Figure 3 This is a three-dimensional structural diagram showing the disassembled feed hopper and protective cover in this utility model;

[0027] Figure 4 This is a rear three-dimensional structural diagram of the feed hopper and protective cover in this utility model;

[0028] Figure 5 This utility model Figure 3 A magnified three-dimensional structural diagram at point A in the middle.

[0029] Legend:

[0030] 1. Paver; 2. Feed hopper; 31. Base plate; 32. Connecting rod; 33. Slider; 34. Slide rail; 35. Two-way lead screw; 36. Fixing block; 41. Drive motor; 51. Protective cover; 52. Insert post; 53. Insertion hole; 54. Slide groove. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1 - Figure 3 This utility model provides an embodiment of an asphalt paver for road and bridge construction, including a paver 1 for laying asphalt on the road surface. This technology is prior art and will not be described in detail. A feed hopper 2 is provided on the front side of the paver 1 for receiving and temporarily storing asphalt material to be laid. It is the entrance for asphalt to enter the subsequent processing stage of the paver 1. A tilting mechanism is provided on the upper side of the feed hopper 2. The tilting mechanism includes a support component and a power component. The support component includes a base plate 31, which carries the asphalt material and achieves the tilting action by cooperating with the connecting rod 32 and the slider 33, so that the asphalt slides onto the conveyor belt on the paver 1, reducing the labor intensity of workers. An anti-stick coating is provided on the outer side of the base plate 31 to reduce the adhesion of asphalt to the base plate 31 and prevent material accumulation from affecting the normal operation of the equipment and the accuracy of material conveying. The base plate 31 is rotatably connected to the inner side of the feed hopper 2, and two sets of base plates 31 are provided.

[0033] Further, the bottom plate 31 rear side is rotatably connected with the connecting rod 32, which plays a role of force transmission, converting the linear motion of the sliding block 33 into the rotation of the bottom plate 31, so as to realize the overturning operation of the bottom plate 31. The connecting rod 32 right side is rotatably connected with the sliding block 33. When the bidirectional screw 35 rotates, the sliding block 33 moves linearly along the slide rail 34, driving the connecting rod 32 to move, and through the bottom plate 31, the connecting rod 32 rotates around the connecting point with the sliding block 33 as the center point, thereby controlling the overturning angle and state of the bottom plate 31. The inlet hopper 2 rear side upper portion is fixedly connected with the slide rail 34, which provides a stable sliding track for the sliding block 33, ensuring the linearity and accuracy of the sliding block 33 movement, making the overturning action more stable and reliable. The sliding block 33 is slidingly connected to the outer side of the slide rail 34. The sliding block 33 rear side is threadedly connected with the bidirectional screw 35, which is a key component for power transmission. When the driving motor 41 drives the bidirectional screw 35 to rotate, the two sliding blocks 33 can move towards or away from each other according to the rotation direction and thread structure of the screw, realizing accurate control of the overturning action of the bottom plate 31. The inlet hopper 2 rear side is fixedly connected with the fixed block 36. The bidirectional screw 35 is rotatably connected to the inner wall of the fixed block 36, providing stable rotating support for the bidirectional screw 35, ensuring its position fixed and rotating smoothly during operation.

[0034] Reference Figure 3 Figure 5 The power assembly includes a driving motor 41 fixedly connected to the inlet hopper 2 rear side upper portion. The output shaft of the driving motor 41 is fixedly connected to the right side of the bidirectional screw 35, which is a reduction motor. The rotation direction and speed of the bidirectional screw 35 are controlled by the forward and reverse rotation of the motor, thereby realizing flexible overturning of the bottom plate 31, making the asphalt slide onto the conveyor belt on the paver 1, reducing the work intensity of the workers. The fixed block 36 is provided with three groups, which are respectively arranged on the left and right sides and the middle of the bidirectional screw 35, making the stress more uniform and the structure more stable. The connecting rod 32 and the sliding block 33 are provided with two groups, which are symmetrically arranged with the center line of the inlet hopper 2 as the axis of symmetry.

[0035] ​Further, the rear side of the feeding hopper 2 is provided with a protection assembly, the protection assembly comprises a protection cover 51, which is fixedly installed on the feeding hopper 2 through two groups of screws, is convenient to disassemble and maintain, the protection cover 51 is arranged at the rear side of the feeding hopper 2, can protect the slide rail 34 and the bidirectional lead screw 35, effectively reduces the damage caused by external factors such as dust, impurities and collision, reduces the probability of equipment failure, prolongs the service life of the equipment, a sliding groove 54 is formed in the front side of the protection cover 51, the sliding block 33 slides in the inner wall of the sliding groove 54, provides space for the movement of the sliding block 33 and the connecting rod 32, meanwhile, a notch is formed in the lower side of the sliding groove 54, so that the protection cover 51 is convenient to take down and install, a plug-in post 52 is fixedly connected to the lower side of the front part of the protection cover 51, a plug-in hole 53 is formed in the upper part of the rear side of the feeding hopper 2, the plug-in post 52 is inserted into the inner wall of the plug-in hole 53, the plug-in post 52 and the plug-in hole 53 cooperate, can further fix the position of the protection cover 51, enhances the protection effect while being convenient to disassemble, and the lower side of the protection cover 51 is provided with a heat dissipation hole, which is used for heat dissipation of the driving motor 41.

[0036] Working principle: in use, when the residual asphalt material needs to be conveyed to the conveying belt of the paver 1, the driving motor 41 is started, the output shaft drives the bidirectional lead screw 35 to rotate, drives two groups of sliding blocks 33 to move towards or away from each other on the slide rail 34, when the sliding block 33 moves, the force is transmitted to the bottom plate 31 through the connecting rod 32 rotationally connected thereto, under the driving of the connecting rod 32, the bottom plate 31 rotates around the connecting point between the bottom plate 31 and the feeding hopper 2, when the connecting rod 32 is horizontally flush with the sliding block 33, the connecting rod 32 can be upwardly rotated through the support of the bottom plate 31, so as to change the inclination angle of the bottom plate 31, so that the asphalt material slides along the inclined bottom plate 31 under the action of gravity and enters the conveying belt of the paver 1, achieving the purpose of automatically conveying the asphalt material, reducing the working intensity of manual operation of workers.

[0037] During the whole process, the protection cover 51 is fixed on the feeding hopper 2 through two groups of screws, the sliding groove 54 in the front side of the protection cover 51 provides space for the movement of the connecting place of the sliding block 33 and the connecting rod 32, the plug-in post 52 in the lower side of the front part of the protection cover 51 cooperates with the plug-in hole 53 in the upper part of the rear side of the feeding hopper 2, further fixes the position of the protection cover 51, enhances the protection effect and is convenient to disassemble and maintain.

[0038] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An asphalt paver for road and bridge construction, comprising a paver (1), characterized in that: The paver (1) is provided with a feed hopper (2) on the front side. The feed hopper (2) is provided with a tilting mechanism on the upper side. The tilting mechanism includes a support component and a power component. The support component includes a base plate (31). The base plate (31) is rotatably connected to the inner side of the feed hopper (2). The base plate (31) is provided with two sets. The rear side of the base plate (31) is rotatably connected to a connecting rod (32). The right side of the connecting rod (32) is rotatably connected to a slider (33). The upper rear side of the feed hopper (2) is fixedly connected to a slide rail (34). The slider (33) is slidably connected to the outside of the slide rail (34). The rear side of the slider (33) is threadedly connected to a two-way screw (35). The rear side of the feed hopper (2) is fixedly connected to a fixing block (36). The two-way screw (35) is rotatably connected to the inner wall of the fixing block (36).

2. The asphalt paver for road and bridge construction according to claim 1, characterized in that: The power assembly includes a drive motor (41), which is fixedly connected to the upper rear side of the feed hopper (2), and the output shaft of the drive motor (41) is fixedly connected to the right side of the bidirectional lead screw (35).

3. The asphalt paver for road and bridge construction according to claim 1, characterized in that: The fixing block (36) is provided in three sets, and the three sets of fixing blocks (36) are respectively provided on the left and right sides and the middle of the bidirectional lead screw (35).

4. An asphalt paver for road and bridge construction according to claim 1, characterized in that: The connecting rod (32) and slider (33) are provided in two sets, and the two sets of connecting rod (32) and slider (33) are symmetrically arranged with the center line of the feed hopper (2) as the axis of symmetry.

5. An asphalt paver for road and bridge construction according to claim 1, characterized in that: The outer side of the base plate (31) is provided with an anti-stick coating.

6. An asphalt paver for road and bridge construction according to claim 1, characterized in that: A protective component is provided on the rear side of the feed hopper (2). The protective component includes a protective cover (51). The protective cover (51) is located on the rear side of the feed hopper (2). A sliding groove (54) is provided on the front side of the protective cover (51). The slider (33) slides on the inner wall of the sliding groove (54).

7. An asphalt paver for road and bridge construction according to claim 6, characterized in that: The protective cover (51) has a fixed connection to the lower front side of the insert post (52), and the feed hopper (2) has an insertion hole (53) on the upper rear side. The insert post (52) is inserted into the inner wall of the insertion hole (53).

8. An asphalt paver for road and bridge construction according to claim 6, characterized in that: The protective cover (51) has heat dissipation holes on its lower side.

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