Heating device for asphalt splicing position of new pavement and old pavement

By designing a heating device for asphalt splicing of new and old pavement surfaces that can adjust the angle and position of the flamethrower, the problem of uneven heating in the prior art is solved, and the adhesion of asphalt and the quality of pavement construction are improved.

CN222878484UActive Publication Date: 2025-05-16中电建路桥集团有限公司
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Patent Information

Application Number
CN202421711121.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-05-16
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The heating device of the asphalt splicing of the existing new and old pavement surfaces cannot adjust the angle of the fire splashing mechanism, resulting in uneven heating and affecting the adhesion of the asphalt.

Method used

A heating device including a mounting plate, a fixing plate, a gas storage tank, a conveyor pipe, a support frame, a telescopic hose, a flamethrower and a flip mechanism is designed. Through the moving mechanism and a flip mechanism, the angle and position of the flamethrower can be adjusted to achieve uniform heating.

Benefits of technology

By adjusting the angle and position of the flamethrower, the asphalt splicing of new and old pavements can be uniformly heated, the adhesion of asphalt is improved, the emergence of reflective cracks is avoided, and the quality of pavement construction is improved.

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Abstract

The utility model relates to the technical field of new and old pavement asphalt splicing quality control, and discloses a new and old pavement asphalt splicing position heating device which comprises a mounting plate, one side of the mounting plate is fixedly connected with a fixing plate, the surface of the mounting plate is fixedly connected with a gas storage tank, and the output end of the gas storage tank is fixedly connected with a conveying pipe. One end of the supporting frame is fixedly connected to the surface of the fixing plate, one end of the conveying pipe is fixedly connected with a telescopic hose, one end of the telescopic hose is fixedly connected with a flame projector, the surface of one end of the flame projector is rotationally connected with a support, one side of the support is fixedly connected with a turnover mechanism, and the surface of the fixing plate is fixedly connected with a moving mechanism. According to the heating device for the asphalt splicing position of the new pavement and the old pavement, the angle of the flame projector can be adjusted, so that the asphalt splicing position of the new pavement and the old pavement can be uniformly heated, insufficient heat of part of asphalt is prevented, and the cohesiveness of the asphalt at the splicing position is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of quality control of asphalt splicing of new and old road surfaces, in particular to a heating device for the asphalt splicing of new and old road surfaces. Background Art

[0002] With more and more vehicles, the pressure on highway traffic is gradually increasing. In order to alleviate the pressure on highway traffic, it is necessary to widen the existing highway and connect the old and new roads. First, the reserved steps are milled for the joint part of the pavement structure layer of the new and old roads, and the joint part of the roadbed under the shoulder of the old road is reinforced by paving geogrids, local reinforcement, etc., and then the new pavement subbase is paved. Next, depending on the severity of the pavement disease, the overtaking lane part of the old road is milled, and finally the surface layer is paved to complete the pavement splicing. When paving asphalt, the bonding layer of the old roadside needs to be heated in advance by high temperature to ensure that the asphalt is softened to improve its adhesion, so that the new and old pavements can be effectively bonded, avoiding reflective cracks in the upper asphalt layer and ensuring the construction quality of the pavement.

[0003] According to Chinese patent publication number CN220724814U, a heating device for the joint of new and old pavement is disclosed, which includes a gas storage tank, a gas delivery pipe, a flame-spraying mechanism and a fixing clamp. The gas storage tank and the gas delivery pipe are both arranged on a paver. The air inlet of the gas delivery pipe is connected to the gas storage tank, and the air outlet of the gas delivery pipe is connected to the flame-spraying mechanism. The flame-spraying mechanism can convert gas into flames to heat the old roadside. The fixing clamp is configured to install the flame-spraying mechanism on the paver. The present application can ensure that the asphalt is softened to improve its adhesion, thereby enabling the new and old pavements to be effectively bonded, avoiding reflective cracks in the upper asphalt layer, and ensuring the construction quality of the pavement.

[0004] However, the above device cannot change the angle of the flame spray mechanism, resulting in that when heating the asphalt joint of the new and old road surfaces, the flame spray mechanism only heats one point and cannot heat evenly, which reduces the adhesion of the asphalt at the joint. Utility Model Content

[0005] The utility model provides a heating device for the asphalt joint of the new and old road surface to solve the problem that the angle of the flamethrower mechanism cannot be changed in the prior art. The angle of the flamethrower can be adjusted so that the asphalt joint of the new and old road surface can be heated evenly, preventing some asphalt from being insufficiently heated and improving the adhesion of the asphalt at the joint.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a heating device for the asphalt joint of a new and old road surface, comprising a mounting plate, a fixing plate fixedly connected to one side of the mounting plate, a gas storage tank fixedly connected to the surface of the mounting plate, a delivery pipe fixedly connected to the output end of the gas storage tank, a support frame fixedly connected to the surface of the delivery pipe, one end of the support frame fixedly connected to the surface of the fixed plate, a telescopic hose fixedly connected to one end of the delivery pipe, a flamethrower fixedly connected to one end of the telescopic hose, a bracket rotatably connected to the surface of one end of the flamethrower, a flipping mechanism fixedly connected to one side of the bracket, and a moving mechanism fixedly connected to the surface of the fixed plate.

[0007] Preferably, the moving mechanism includes a mounting block and a bearing seat, the mounting block is fixedly connected to the surface of the fixed plate, one end of the mounting block is fixedly connected to a motor 1, the output shaft of the motor 1 is fixedly connected to a transmission wheel, a belt is meshed on the surface of the transmission wheel, one end of the inner wall of the belt is meshed with a driven wheel, one end of the driven wheel is fixedly connected to a screw rod, both ends of the screw rod are rotatably connected to the inner wall of the bearing seat, and the bearing seats are fixedly connected above the surface of the fixed plate.

[0008] Preferably, the flipping mechanism includes a main board, the surface of the main board is fixedly connected to motor 2, the output shaft of motor 2 is fixedly connected to an eccentric disk, the surface of the eccentric disk is movably connected to a connecting rod, and the other end of the connecting rod is movably connected to a flipping block.

[0009] Preferably, the bracket is slidably connected to the surface of the fixing plate, and the driving wheel and the driven wheel are parallel to each other.

[0010] Preferably, a threaded hole is provided on the surface of the bracket, and the threaded hole is threadedly connected to the screw rod.

[0011] Preferably, the mainboard is fixedly connected to one side of the bracket, and one end of the flip block is fixedly connected to the surface of one side of the flamethrower.

[0012] Preferably, one end of the connecting rod is rotatably connected to one side of the surface of the eccentric disk, and the other end is rotatably connected to the surface of the flip block.

[0013] The utility model fixes the mounting plate on the paver, reaches the asphalt joint of the new and old road surfaces, starts the flamethrower, makes the gas in the gas storage tank reach the delivery pipe, and then reaches the telescopic hose through the delivery pipe, starts the first motor to drive the transmission wheel to rotate, so that the transmission wheel drives the belt to rotate, and then the belt drives the driven wheel to rotate, so that the driven wheel drives the screw rod to rotate, so that the screw rod drives the bracket to slide on the surface of the fixed plate, drives the flamethrower to move left and right, and at the same time, the telescopic hose can be changed in length according to the position of the flamethrower moving left and right, starts the second motor, so that the second motor drives the eccentric disk to rotate The eccentric disk drives the connecting rod to move, so that the connecting rod drives the flip block and the flamethrower fixedly connected to the flip block to flip. Since one end of the flamethrower is rotatably connected in the bracket, the connecting rod drives the flamethrower to be in a flipping state, so that the flamethrower flips and swings, and the angle of the flamethrower is adjusted so that the gas reaches the flamethrower, a flame appears, and the asphalt joint of the new and old road surface is heated. The angle of the flamethrower can be adjusted so that the asphalt joint of the new and old road surface can be heated evenly, so as to prevent part of the asphalt from being insufficiently heated, and improve the adhesion of the asphalt at the joint.

[0014] The beneficial technical effect of the utility model is as follows: the mounting plate is fixedly connected to the paver, reaches the asphalt joint of the new and old road surfaces, the flamethrower is started, the gas in the gas storage tank reaches the delivery pipe, and then reaches the telescopic hose through the delivery pipe, the moving mechanism is started, the flamethrower is driven to move left and right, and at the same time the telescopic hose can be changed in length according to the position of the left and right movement of the flamethrower, the flipping mechanism is started, the flamethrower is flipped and swung, the angle of the flamethrower is adjusted, the gas reaches the flamethrower, a flame appears, and the asphalt joint of the new and old road surfaces is heated, the angle of the flamethrower can be adjusted so that it can heat the asphalt joint of the new and old road surfaces evenly, preventing part of the asphalt from being insufficiently heated, and improving the adhesion of the asphalt at the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 It is a side structural schematic diagram of the utility model;

[0018] Figure 4 It is an enlarged structural schematic diagram of side A of the utility model.

[0019] Among them: 1. Mounting plate; 2. Gas storage tank; 3. Delivery pipe; 4. Support frame; 5. Fixed plate; 6. Telescopic hose; 7. Flamethrower; 8. Bracket; 9. Mounting block; 10. Motor 1; 11. Drive wheel; 12. Belt; 13. Driven wheel; 14. Bearing seat; 15. Screw; 16. Main board; 17. Motor 2; 18. Eccentric disk; 19. Connecting rod; 20. Flipping block. DETAILED DESCRIPTION

[0020] The specific implementation of the utility model will be further described in detail below with reference to the accompanying drawings.

[0021] A heating device for the joint of asphalt of new and old road surfaces according to this specific implementation method, such as Figure 1-4 As shown, a heating device for the asphalt joint of a new and old road surface comprises a mounting plate 1, which is fixedly connected to a paver, a fixing plate 5 is fixedly connected to one side of the mounting plate 1, a gas storage tank 2 is fixedly connected to the surface of the mounting plate 1, a delivery pipe 3 is fixedly connected to the output end of the gas storage tank 2, the delivery pipe 3 delivers the gas in the gas storage tank 2, a support frame 4 is fixedly connected to the surface of the delivery pipe 3, the support frame 4 supports the delivery pipe 3, one end of the support frame 4 is fixedly connected to the surface of the fixing plate 5, a telescopic hose 6 is fixedly connected to one end of the delivery pipe 3, the telescopic hose 6 can follow the movement when the flamethrower 7 moves, one end of the telescopic hose 6 is fixedly connected to the flamethrower 7, one end of the flamethrower 7 is rotatably connected to the surface of the flamethrower 7, the bracket 8 stabilizes the flamethrower 7, one side of the bracket 8 is fixedly connected to a flipping mechanism, the flipping mechanism can drive the flamethrower 7 to adjust the angle, the surface of the fixing plate 5 is fixedly connected to a moving mechanism, the moving mechanism drives the flamethrower 7 to move left and right, and heating can be performed without moving the paver.

[0022] Through the above technical scheme, the mounting plate 1 is fixedly connected to the paver, reaches the asphalt joint of the new and old road surfaces, starts the flamethrower 7, and allows the gas in the gas storage tank 2 to reach the delivery pipe 3, and then reaches the telescopic hose 6 through the delivery pipe 3. The moving mechanism is started to drive the flamethrower 7 to move left and right. At the same time, the telescopic hose 6 can be changed in length according to the position of the flamethrower 7 moving left and right. The flipping mechanism is started to flip and swing the flamethrower 7, and the angle of the flamethrower 7 is adjusted so that the gas reaches the flamethrower 7, a flame appears, and the asphalt joint of the new and old road surfaces is heated. The angle of the flamethrower 7 can be adjusted so that the asphalt joint of the new and old road surfaces can be heated evenly, thereby preventing some asphalt from being insufficiently heated and improving the adhesion of the asphalt at the joint.

[0023] The flamethrower 7 has the same flame-spraying mechanism structure as the heating device for the joint of new and old road surfaces disclosed in Chinese Patent Publication No. CN220724814U.

[0024] like Figure 1-4As shown, the moving mechanism includes a mounting block 9 and a bearing seat 14, the mounting block 9 is fixedly connected to the surface of the fixed plate 5, one end of the mounting block 9 is fixedly connected to a motor 10, the output shaft of the motor 10 is fixedly connected to a transmission wheel 11, a belt 12 is meshed on the surface of the transmission wheel 11, one end of the inner wall of the belt 12 is meshed with a driven wheel 13, one end of the driven wheel 13 is fixedly connected to a screw rod 15, both ends of the screw rod 15 are rotatably connected to the inner wall of the bearing seat 14, the bearing seats 14 are fixedly connected above the surface of the fixed plate 5, the bracket 8 is slidably connected to the surface of the fixed plate 5, the transmission wheel 11 and the driven wheel 13 are parallel to each other, a threaded hole is opened on the surface of the bracket 8, and the screw rod 15 is threadedly connected in the threaded hole.

[0025] Through the above technical solution, the mounting block 9 fixes the motor 10, and the motor 10 is started to drive the transmission wheel 11 to rotate, so that the transmission wheel 11 drives the belt 12 to rotate, and the belt 12 drives the driven wheel 13 to rotate, so that the driven wheel 13 drives the screw rod 15 to rotate, so that the screw rod 15 drives the bracket 8 to slide on the surface of the fixed plate 5, drives the flamethrower 7 to move left and right, and the screw rod 15 rotates on the inner wall of the bearing seat 14, thereby improving the stability of the screw rod 15.

[0026] like Figure 1-4 As shown, the flipping mechanism includes a main board 16, a motor 2 17 is fixedly connected to the surface of the main board 16, an eccentric disk 18 is fixedly connected to the output shaft of the motor 2 17, a connecting rod 19 is movably connected to the surface of the eccentric disk 18, and a flipping block 20 is movably connected to the other end of the connecting rod 19, the main board 16 is fixedly connected to one side of the bracket 8, one end of the flipping block 20 is fixedly connected to the surface of one side of the flamethrower 7, one end of the connecting rod 19 is rotatably connected to one side of the surface of the eccentric disk 18, and the other end is rotatably connected to the surface of the flipping block 20.

[0027] Through the above technical solution, the main board 16 fixes the motor 2 17, starts the motor 2 17, and drives the eccentric disk 18 to rotate, so that the eccentric disk 18 drives the connecting rod 19 to move, and the connecting rod 19 drives the flip block 20 and the flamethrower 7 fixedly connected to the flip block 20 to flip. Since one end of the flamethrower 7 is rotatably connected in the bracket 8, the connecting rod 19 drives the flamethrower 7 to be in a flipped state, so that the flamethrower 7 can heat the asphalt joint of the new and old road surfaces evenly.

[0028] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heating device for the asphalt joint of a new and old road surface, comprising a mounting plate (1), a fixing plate (5) fixedly connected to one side of the mounting plate (1), a gas storage tank (2) fixedly connected to the surface of the mounting plate (1), and a delivery pipe (3) fixedly connected to the output end of the gas storage tank (2), characterized in that: A support frame (4) is fixedly connected to the surface of the delivery pipe (3), one end of the support frame (4) is fixedly connected to the surface of the fixed plate (5), one end of the delivery pipe (3) is fixedly connected to a telescopic hose (6), one end of the telescopic hose (6) is fixedly connected to a flamethrower (7), one end of the flamethrower (7) is rotatably connected to a support frame (8), one side of the support frame (8) is fixedly connected to a turning mechanism, and the surface of the fixed plate (5) is fixedly connected to a moving mechanism.

2. The heating device for the asphalt joint of new and old pavement according to claim 1 is characterized by: The moving mechanism comprises a mounting block (9) and a bearing seat (14), wherein the mounting block (9) is fixedly connected to the surface of the fixed plate (5), one end of the mounting block (9) is fixedly connected to a motor 1 (10), the output shaft of the motor 1 (10) is fixedly connected to a transmission wheel (11), a belt (12) is meshed on the surface of the transmission wheel (11), one end of the inner wall of the belt (12) is meshed with a driven wheel (13), one end of the driven wheel (13) is fixedly connected to a screw rod (15), both ends of the screw rod (15) are rotatably connected to the inner wall of the bearing seat (14), and the bearing seat (14) is fixedly connected above the surface of the fixed plate (5).

3. A heating device for the asphalt joint of new and old road surfaces according to claim 1 or 2, characterized in that: The turning mechanism comprises a main board (16), a second motor (17) is fixedly connected to the surface of the main board (16), an eccentric disk (18) is fixedly connected to the output shaft of the second motor (17), a connecting rod (19) is movably connected to the surface of the eccentric disk (18), and a turning block (20) is movably connected to the other end of the connecting rod (19).

4. The heating device for the asphalt joint of new and old road surfaces according to claim 2 is characterized in that: The bracket (8) is slidably connected to the surface of the fixed plate (5), and the driving wheel (11) and the driven wheel (13) are parallel to each other.

5. A heating device for the asphalt joint of new and old road surfaces according to claim 2 or 4, characterized in that: A threaded hole is provided on the surface of the bracket (8), and a threaded rod (15) is connected to the threaded hole.

6. The heating device for the asphalt joint of new and old road surfaces according to claim 3 is characterized in that: The main board (16) is fixedly connected to one side of the bracket (8), and one end of the flip block (20) is fixedly connected to the surface of one side of the flamethrower (7).

7. The heating device for the asphalt joint of new and old road surfaces according to claim 3 is characterized by: One end of the connecting rod (19) is rotatably connected to one side of the surface of the eccentric disk (18), and the other end is rotatably connected to the surface of the flip block (20).

Citation Information

Patent Citations

  • Heating device for joint of new pavement and old pavement

    CN220724814U