Highway pavement modified asphalt construction device
By introducing a main gear, auxiliary gear, and eccentric block structure into the modified asphalt construction device for highway pavement, the asphalt on the inner wall of the mixing drum and the mixing shaft is automatically cleaned by the excitation force, which solves the material adhesion problem in the existing device and improves the performance.
Patent Information
- Application Number
- CN202422940337.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing modified asphalt construction equipment for highway pavements, the viscosity of the asphalt during the material discharge process causes it to adhere to the inner wall of the mixing drum and the mixing shaft, making it difficult to clean, resulting in material waste and reduced performance.
It adopts a structure of main gear, auxiliary gear, connecting shaft and eccentric block. The main gear is driven to rotate by the conveyor motor, and the auxiliary gear is accelerated to rotate. The vibration force of the eccentric block is used to automatically clean the residual asphalt on the inner wall of the mixing drum and the mixing shaft, combined with the screw shaft for conveying and discharging.
It achieves automatic cleaning while discharging materials, avoiding material waste and improving the performance of the device.
Smart Images

Figure CN223633756U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bituminous construction device technical field, concretely relates to highway pavement modified asphalt construction device. BACKGROUND
[0002] Highway refers to the road according to the state technical standard between cities, between urban and rural areas, between villages and villages and between industrial and mining bases, and the road is accepted by the highway department, and when the road surface is damaged in the process of using the road, the modified asphalt needs to be injected into the damaged part by the corresponding construction device to repair the road surface.
[0003] The existing highway pavement modified asphalt construction device is heated and stirred by the stirring mechanism in the process of using, so that the materials are uniformly mixed, then the materials are injected into the repaired part of the road surface, and the asphalt is compacted by the external compaction device, and in the discharging process, the asphalt is attached to the inner wall of the stirring cylinder and the stirring shaft due to the certain viscosity of the asphalt, which is not convenient to discharge, on the one hand, causes material waste, on the other hand, is not convenient for the staff to clean, affects the subsequent use of the device, and the use performance of the device is low. UTILITY MODEL CONTENT
[0004] (I) technical problem to be solved
[0005] The utility model relates to the technical problem to be solved, and provides a kind of modified asphalt construction device for highway pavement, which is automatically vibrated and cleaned to avoid material waste, with good use effect and high use performance.
[0006] (II) technical scheme
[0007] The utility model discloses a highway pavement modified asphalt construction device, which comprises a frame, a conveying cylinder is fixed to the upper end of the frame, a transmission box is installed on one side wall of the conveying cylinder, a conveying motor is arranged on the side wall of the transmission box, a main gear is connected to the output shaft of the conveying motor, a secondary gear is connected below the main gear, a connecting shaft is installed between the secondary gear and the inner wall of the transmission box, an eccentric block is fixed to the connecting shaft, a spiral shaft is arranged in the conveying cylinder, and a discharge pipe is fixed below one end of the conveying cylinder.
[0008] Further, the transmission box is fixed on the side wall of the conveying cylinder by bolts, the conveying motor is fixed on the side wall of the transmission box by bolts, and the output shaft of the conveying motor is fixedly connected with the main gear.
[0009] By adopting the above technical scheme, the conveying motor drives the main gear to rotate.
[0010] Further, the auxiliary gear is engaged with the main gear, and a specification of the auxiliary gear is smaller than a specification of the main gear.
[0011] By adopting the technical scheme, the main gear drives the auxiliary gear to rotate at a high speed.
[0012] Further, one end of the connecting shaft is fixed to the auxiliary gear, and the other end of the connecting shaft is rotatably connected to the inner wall of the transmission box, and the eccentric block is installed on the connecting shaft through a screw.
[0013] By adopting the technical scheme, the auxiliary gear drives the eccentric block on the connecting shaft to rotate, so that the whole device is subjected to the exciting force from the eccentric block, the modified asphalt remaining on the inner wall of the stirring cylinder and the stirring shaft is vibrated and falls, and the modified asphalt is automatically cleaned, so that material waste is avoided, and the use performance of the device is improved.
[0014] Further, the spiral shaft is rotatably installed in the conveying cylinder, one end of the spiral shaft is fixedly connected to the main gear, and the discharge pipe is formed on one side of the bottom end of the conveying cylinder.
[0015] By adopting the technical scheme, the main gear drives the spiral shaft to rotate to convey the stirred modified asphalt and discharge the modified asphalt to the repair position of the road surface through the discharge pipe.
[0016] Further, an electric valve is installed on a discharge port of the stirring cylinder, and two groups of material injection hoppers are symmetrically fixed to the upper end of the stirring cylinder.
[0017] By adopting the technical scheme, the electric valve controls the on-off of the stirring cylinder, and the material is injected into the stirring cylinder through the material injection hoppers for mixing and stirring.
[0018] Further, a stirring motor is installed on the middle part of the upper end of the stirring cylinder, and a stirring shaft is fixed to an output shaft of the stirring motor.
[0019] By adopting the technical scheme, the stirring motor drives the stirring shaft to rotate to stir the material.
[0020] Further, a heating plate of an annular structure is fixed to the inner wall of the stirring cylinder, and universal wheels are installed at four corners of the bottom end of the vehicle frame.
[0021] By adopting the technical scheme, the heating plate heats the material.
[0022] (Three) beneficial effects
[0023] Compared with the prior art, the utility model has the following beneficial effects:
[0024] To solve the existing highway pavement modified asphalt construction device in the process of using is through the stirring mechanism to heat modified asphalt, so that each material is mixed evenly, and then inject it into the road surface to be repaired part, and through the external compaction device to the asphalt compaction, and in the process of discharging, due to the asphalt has certain viscosity, and then will cause its attached in the stirring drum inner wall and stirring shaft not convenient to discharge, on the one hand, cause material waste, on the other hand, not convenient for the staff to clean, affect the subsequent use of the device, lead to the use of the device performance is low, the utility model discloses a through the setting main gear, the pinion, the connecting shaft and the eccentric block, in the process of injection, conveying motor drive main gear rotation, main gear on the one hand drive screw shaft rotation to the modified asphalt for conveying, on the other hand drive pinion accelerated rotation, the pinion drive the eccentric block on the connecting shaft rotation, and then make the device as a whole from the eccentric block excitation force, can the modified asphalt left on the stirring drum inner wall and stirring shaft vibration, realize the automatic cleaning of discharging, avoid causing material waste, improve the device performance. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is the structure diagram of the highway pavement modified asphalt construction device of the utility model;
[0026] Figure 2 is the internal structure diagram of the stirring drum in the highway pavement modified asphalt construction device of the utility model;
[0027] Figure 3 is the main sectional view of the conveying cylinder in the highway pavement modified asphalt construction device of the utility model;
[0028] Figure 4 is the main sectional view of the transmission box in the highway pavement modified asphalt construction device of the utility model.
[0029] The attached marks are explained as follows:
[0030] 1, frame; 2, conveying cylinder; 3, discharge pipe; 4, transmission box; 5, conveying motor; 6, stirring drum; 7, electric valve; 8, stirring motor; 9, injection hopper; 10, heating ring; 11, stirring shaft; 12, screw shaft; 13, main gear; 14, pinion; 15, eccentric block; 16, connecting shaft. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail by combining with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.
[0032] AsFigures 1-4 As shown, the modified asphalt pavement construction device in this embodiment includes a frame 1, a conveying cylinder 2 fixed to the upper end of the frame 1, a transmission box 4 installed on one side wall of the conveying cylinder 2, a conveying motor 5 installed on one side wall of the transmission box 4, a main gear 13 connected to the output shaft of the conveying motor 5, the conveying motor 5 drives the main gear 13 to rotate, a secondary gear 14 connected below the main gear 13, the main gear 13 drives the secondary gear 14 to rotate at an accelerated speed, a connecting shaft 16 is installed between the secondary gear 14 and the inner wall of the transmission box 4, and a fixed... An eccentric block 15 is fixed, and the auxiliary gear 14 drives the eccentric block 15 on the connecting shaft 16 to rotate, thereby causing the entire device to be subjected to the excitation force from the eccentric block 15. This can shake off the modified asphalt remaining on the inner wall of the mixing drum 6 and the mixing shaft 11, and automatically clean it to avoid material waste. A spiral shaft 12 is installed inside the conveying drum 2, and a discharge pipe 3 is fixed below one end of the conveying drum 2. The main gear 13 drives the spiral shaft 12 to rotate and transport the mixed modified asphalt through the discharge pipe 3 to the repair area of the road.
[0033] like Figures 1-4 As shown, in this embodiment, the transmission box 4 is fixed to one side wall of the conveying cylinder 2 by bolts, the conveying motor 5 is fixed to one side wall of the transmission box 4 by bolts, the output shaft of the conveying motor 5 is fixedly connected to the main gear 13, the auxiliary gear 14 meshes with the main gear 13, the specification of the auxiliary gear 14 is smaller than that of the main gear 13, one end of the connecting shaft 16 is fixed to the auxiliary gear 14, and the other end of the connecting shaft 16 is rotatably connected to the inner wall of the transmission box 4, the eccentric block 15 is installed on the connecting shaft 16 by screws, the spiral shaft 12 is rotatably installed inside the conveying cylinder 2, one end of the spiral shaft 12 is fixedly connected to the main gear 13, and the discharge pipe 3 is formed on one side of the bottom end of the conveying cylinder 2.
[0034] like Figures 1-4 As shown, in this embodiment, a mixing drum 6 is welded to the upper end of the conveying drum 2. An electric valve 7 is installed on the discharge port of the mixing drum 6. Two sets of feeding hoppers 9 are symmetrically fixed to the upper end of the mixing drum 6. The electric valve 7 controls the opening and closing of the mixing drum 6. The material is injected into the mixing drum 6 through the feeding hoppers 9 for mixing. A stirring motor 8 is installed in the middle of the upper end of the mixing drum 6. A stirring shaft 11 is fixed on the output shaft of the stirring motor 8. The stirring motor 8 drives the stirring shaft 11 to rotate and stir the material. A ring-shaped heating plate is fixed on the inner wall of the mixing drum 6. Universal wheels are installed at the four corners of the bottom end of the frame 1. The heating plate heats the material.
[0035] The specific implementation process of the embodiment is as follows: in use, the material is injected into the stirring cylinder 6 through the injection hopper 9 for mixing and stirring, the stirring motor 8 drives the stirring shaft 11 to rotate to stir the material, the heating plate heats the material, after the stirring is completed, the discharge end of the stirring cylinder 6 is opened through the electric valve 7, the stirred modified asphalt falls into the conveying cylinder 2, then the conveying motor 5 drives the main gear 13 to rotate, the main gear 13 drives the spiral shaft 12 to rotate on the one hand to convey the stirred modified asphalt to make it discharged to the repairing position of the road surface through the discharge pipe 3, and on the other hand drives the auxiliary gear 14 to rotate at a high speed, the auxiliary gear 14 drives the eccentric block 15 on the connecting shaft 16 to rotate, and then the whole device is subjected to the exciting force from the eccentric block 15, the modified asphalt remaining on the inner wall of the stirring cylinder 6 and the stirring shaft 11 is vibrated and fallen, the automatic cleaning while discharging is realized, the waste of the material is avoided, and the use performance of the device is improved.
[0036] The above description of the disclosed embodiments enables one skilled in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A highway pavement modified asphalt construction apparatus, characterized by: The utility model provides a kind of conveying device, including frame (1), the upper end of the frame (1) is fixed with conveying cylinder (2), the side wall of conveying cylinder (2) is installed with transmission box (4), the side wall of transmission box (4) is provided with conveying motor (5), the output shaft of conveying motor (5) is connected with main gear (13), the lower side of main gear (13) is connected with auxiliary gear (14), the connecting shaft (16) is installed between auxiliary gear (14) and the inner wall of transmission box (4), the eccentric block (15) is fixed on the connecting shaft (16), spiral shaft (12) is provided in conveying cylinder (2), the lower side of one end of conveying cylinder (2) is fixed with discharge pipe (3).
2. The highway pavement modified asphalt construction apparatus of claim 1, wherein: The transmission box (4) is fixed on the side wall of the conveying cylinder (2) by bolts, the conveying motor (5) is fixed on the side wall of the transmission box (4) by bolts, and the output shaft of the conveying motor (5) is fixedly connected with the main gear (13).
3. The highway pavement modified asphalt construction apparatus of claim 1, wherein: The auxiliary gear (14) is engaged with the main gear (13), and the specification of the auxiliary gear (14) is smaller than that of the main gear (13).
4. The hot mix asphalt paving device of claim 3, wherein: One end of the connecting shaft (16) is fixed on the auxiliary gear (14), the other end of the connecting shaft (16) is rotatably connected with the inner wall of the transmission box (4), and the eccentric block (15) is installed on the connecting shaft (16) by screws.
5. The highway pavement modified asphalt construction apparatus of claim 2, wherein: The spiral shaft (12) is rotatably installed in the conveying cylinder (2), one end of the spiral shaft (12) is fixedly connected with the main gear (13), and the discharge pipe (3) is formed on one side of the bottom end of the conveying cylinder (2).
6. The hot mix asphalt paving device of claim 5, wherein: The upper end of the conveying cylinder (2) is welded with the stirring cylinder (6), the discharge port of the stirring cylinder (6) is installed with the electric valve (7), and the upper end of the stirring cylinder (6) is symmetrically fixed with two groups of injection hoppers (9).
7. The hot mix asphalt paving device of claim 6, wherein: The upper end of the stirring cylinder (6) is installed with the stirring motor (8), and the output shaft of the stirring motor (8) is fixed with the stirring shaft (11).
8. The hot mix asphalt paving device of claim 7, wherein: The inner wall of the stirring cylinder (6) is fixed with a heating plate of annular structure, and the bottom end of the frame (1) is installed with universal wheels at four corners.