Road surface temper mill for road
By employing a single motor drive and multi-stage reduction gears in the three-roller paver, the problems of equipment complexity and high cost in the prior art have been solved, achieving efficient coordinated operation of the roller speeds and low-cost maintenance.
Patent Information
- Application Number
- CN202423063630.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In existing three-roller pavers, each roller is driven by an independent motor, which increases the complexity and cost of the equipment and makes later maintenance difficult.
By employing drive and reduction components, a single motor drives the front roller shaft, while multi-stage reduction components are used to achieve progressively slower rotation of the middle and rear roller shafts, reducing the number of motors and lowering the complexity and cost of the equipment.
It enables efficient coordinated operation of rollers with different speeds, reduces equipment complexity and maintenance costs, and improves construction efficiency.
Smart Images

Figure CN223561988U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of leveler, concretely is a road surface leveler for highway. BACKGROUND
[0002] In highway construction, the road surface leveler is one of the key equipment, and is crucial to ensure the flatness, wear resistance and overall quality of the highway pavement, wherein the three-roller axle paver is widely used in various highway engineering due to its high construction efficiency, simple operation and strong adaptability, in the three-roller axle paver, the fast roller, the middle roller and the slow roller play different roles respectively, and cooperate together to realize efficient concrete paving and leveling, the fast roller rotates at a high speed, can rapidly drive the concrete material to move, thereby realizing efficient paving operation, the rotation speed of the middle roller is moderate, makes the transition of the concrete material from the fast roller to the slow roller more stable, avoids generating excessive impact force or vibration, and the slow rotation of the slow roller helps to pave the concrete material more smoothly and eliminate the unevenness on the surface.
[0003] In the design of three groups of rollers achieving different rotation speeds, a three-group motor driving mode can be adopted, which is relatively simple and direct, each roller is driven by an independent motor, however, it can increase the complexity and cost of the equipment, because a motor and the corresponding control system need to be provided for each roller, which is not conducive to the later maintenance, therefore, the utility model provides a road surface leveler for highway. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a road surface leveler for highway to solve the problems in the above background technology.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a road surface leveler for highway, comprising a first support piece, the inner cavity of the first support piece is rotationally connected with three groups of rollers, the three groups of rollers are on the same horizontal line, wherein the front end group of rollers is connected with the output end of the motor through the driving assembly, and each group of rollers is connected through the speed reduction assembly.
[0006] Preferably, the speed reduction assembly comprises a first gear member, a second gear member, a third gear member, a fourth gear member and a fifth gear member, the first gear member, the second gear member, the third gear member, the fourth gear member and the fifth gear member are arranged in a stepped manner, wherein the shafts of the front group of roller shafts are connected with the first gear member, the first gear member is engaged with the second gear member, the second gear member is engaged with the third gear member, the third gear member is connected with the shafts of the middle group of roller shafts, the other side of the third gear member is engaged with the fourth gear member, the fourth gear member is engaged with the fifth gear member, the fifth gear member is connected with the shafts of the rear group of roller shafts, wherein the second gear member and the fourth gear member are rotatably connected with the first support.
[0007] Preferably, the driving assembly comprises a first pulley, a belt, a second pulley and a protective shell, the shafts of the front group of roller shafts are connected with the first pulley, the first pulley is connected with the second pulley through the belt, the second pulley is connected with the output end of the motor, and the motor is installed on one side of the top end of the first support.
[0008] Preferably, the speed reduction assembly and the driving assembly can be protected by the protective shell.
[0009] Preferably, the first support is provided with a group of second supports on both sides, and each group of second supports is connected with two groups of lifting movable members.
[0010] Preferably, two groups of hydraulic telescopic rods are installed on the opposite ends of the two groups of second supports, respectively, and the two groups of hydraulic telescopic rods are connected with a group of hydraulic pumps, respectively, and the output ends of each group of hydraulic telescopic rods are connected with a group of movable members.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、 the utility model discloses a motor is started, and the driving assembly can drive the front group of roller shafts to rotate fast, and the speed reduction assembly is multistage speed reduction structure, and utilizes the speed reduction assembly to make two groups of roller shafts gradually reduce speed, and compared with prior art, can realize the front group of roller shafts fast rotation, the middle group of roller shafts uniform speed rotation, the rear group of roller shafts deceleration rotation respectively, does not adopt three groups of motors respectively drive mode, reduces the complexity and cost of equipment, and facilitates later maintenance.
[0013] 2, the utility model discloses a start motor, drive second pulley rotation, through the transmission of the belt drive first pulley rotation, further can drive the front end a group of roller shaft quick rotation, cooperation deceleration assembly can realize the deceleration rotation of another two groups of roller shaft, second gear part, third gear part and fourth gear part are the structural parts of the combination of big gear and small gear, each group of gear part is the form of big gear and small gear meshing, utilize the meshing of small gear and big gear and realize the deceleration transmission, and first gear part, second gear part, third gear part, fourth gear part and fifth gear part are arranged in the form of ladder, can realize step -by -step deceleration, when first gear part rotates, can drive second gear part rotation, drive third gear part rotation, drive fourth gear part rotation, drive fifth gear part rotation, utilize deceleration assembly, make middle end roller shaft compared with the deceleration rotation of front end roller shaft, make rear end roller shaft compared with the deceleration rotation of middle end roller shaft again.
[0014] 3, the utility model discloses the protection shell can cover gear and pulley parts, can play the protection effect, through the telescopic of hydraulic telescopic rod, can drive first support piece elevating, convenient according to the height of road surface and adjust, cooperation moving piece is convenient device moves, set up hydraulic pump provides power for hydraulic telescopic rod. DRAWINGS
[0015] Figure 1 It is the exploded view of the overall structure of the utility model;
[0016] Figure 2 It is the enlarged view of structure A of the utility model;
[0017] Figure 3 It is the side front view of the overall structure of the utility model;
[0018] Figure 4 It is the side front view of the overall structure of the utility model.
[0019] In the drawing: 1, first support piece, 2, roller shaft, 3, motor, 4, first gear part, 5, second gear part, 6, third gear part, 7, fourth gear part, 8, fifth gear part, 9, first pulley, 10, belt, 11, second pulley, 12, protection shell, 13, second support piece, 14, moving piece, 15, hydraulic telescopic rod, 16, hydraulic pump. PREFERRED EMBODIMENT
[0020] 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. 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 those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] Embodiment one
[0022] Referring to Figures 1-4 The utility model provides a road pavement leveler, including first support piece 1, the inner chamber rotationally connected with three groups of roll shafts 2 of first support piece 1, three groups of roll shafts 2 are in the same horizontal line, wherein the front end one group of roll shafts 2 is connected with the output end of motor 3 through drive assembly, and each group of roll shafts 2 is connected through speed reducer assembly.
[0023] In this embodiment, by starting motor 3, cooperation drive assembly can drive the front end one group of roll shafts 2 to rotate quickly, and the speed reducer assembly is a multi-stage speed reduction structure, which can gradually reduce the speed of the other two groups of roll shafts 2 by using the speed reducer assembly. Compared with the prior art, the front end one group of roll shafts 2 can rotate quickly, the middle end one group of roll shafts 2 can rotate at a constant speed, and the rear end one group of roll shafts 2 can rotate at a reduced speed. The device does not use three motors to drive respectively, which reduces the complexity and cost of the device and facilitates the later maintenance.
[0024] Referring to Figures 1-4 The speed reducer assembly includes first gear piece 4, second gear piece 5, third gear piece 6, fourth gear piece 7 and fifth gear piece 8, which are arranged in a stepped manner. The shaft of the front end one group of roll shafts 2 is connected with the first gear piece 4, the first gear piece 4 is engaged with the second gear piece 5, the second gear piece 5 is engaged with the third gear piece 6, the third gear piece 6 is connected with the shaft of the middle end one group of roll shafts 2, the other side of the third gear piece 6 is engaged with the fourth gear piece 7, the fourth gear piece 7 is engaged with the fifth gear piece 8, and the fifth gear piece 8 is connected with the shaft of the rear end one group of roll shafts 2. The second gear piece 5 and the fourth gear piece 7 are rotationally connected with the first support piece 1. The drive assembly includes first pulley 9, belt 10, second pulley 11 and protective shell 12. The shaft of the front end one group of roll shafts 2 is connected with the first pulley 9, the first pulley 9 is connected with the second pulley 11 through the belt 10, the second pulley 11 is connected with the output end of the motor 3, and the motor 3 is installed on one side of the top end of the first support piece 1.
[0025] In the embodiment, the motor 3 is started to drive the second pulley 11 to rotate, the first pulley 9 is driven to rotate through the transmission of the belt 10, and the front-end roller shafts 2 are driven to rotate quickly, and the speed reduction assembly is used to realize the speed reduction of the other two groups of roller shafts 2. The second gear member 5, the third gear member 6 and the fourth gear member 7 are all structural members combined with large gears and small gears. Each group of gear members is in the form of large gears and small gears meshing. The meshing of the small gears and the large gears is used to realize the speed reduction transmission. The first gear member 4, the second gear member 5, the third gear member 6, the fourth gear member 7 and the fifth gear member 8 are arranged in a stepped manner, so that the speed reduction is realized step by step. When the first gear member 4 rotates, the second gear member 5 is driven to rotate, the third gear member 6 is driven to rotate, the fourth gear member 7 is driven to rotate, and the fifth gear member 8 is driven to rotate. The speed reduction assembly is used to make the middle-end roller shafts 2 rotate at a speed lower than that of the front-end roller shafts 2, and the rear-end roller shafts 2 rotate at a speed lower than that of the middle-end roller shafts 2.
[0026] Please refer to Figures 1-4 The speed reduction assembly and the driving assembly can be protected by the protective shell 12. The first support 1 is provided with a group of second supports 13 on both sides. Each group of second supports 13 is connected with a group of movable members 14 that can be lifted. The second supports 13 are provided with two groups of hydraulic telescopic rods 15 at the opposite ends. The two groups of hydraulic telescopic rods 15 are connected with a group of hydraulic pumps 16. The output ends of each group of hydraulic telescopic rods 15 are connected with a group of movable members 14.
[0027] In the embodiment, the protective shell 12 can cover the gears and the pulleys, so that the protective effect is achieved. The hydraulic telescopic rods 15 are used to drive the first support 1 to be lifted, so that the device can be adjusted according to the height of the road. The movable members 14 are used to move the device. The hydraulic pumps 16 are used to provide power for the hydraulic telescopic rods 15.
[0028] Working principle: first, through the extension of the hydraulic telescopic rod 15, the first support 1 can be lifted, which is convenient for adjusting according to the height of the road, and the moving part 14 is convenient for the device to move, through the starting motor 3, the second pulley 11 is driven to rotate, through the transmission of the belt 10, the first pulley 9 is driven to rotate, and then the front end group of roller shafts 2 can be quickly rotated, and the other two groups of roller shafts 2 can be realized by cooperating with the speed reduction assembly, the second gear part 5, the third gear part 6 and the fourth gear part 7 are all structural parts combined with large and small gears, each group of gear parts is in the form of large gear and small gear meshing, the meshing of small gear and large gear is used to realize speed reduction transmission, and the first gear part 4, the second gear part 5, the third gear part 6, the fourth gear part 7 and the fifth gear part 8 are arranged in a stepped manner, which can realize step-by-step speed reduction, when the first gear part 4 rotates, the second gear part 5, the third gear part 6, the fourth gear part 7 and the fifth gear part 8 are driven to rotate, the speed reduction assembly is used to make the middle end roller shaft 2 rotate at a lower speed than the front end roller shaft 2, and the rear end roller shaft 2 rotates at a lower speed than the middle end roller shaft 2.
[0029] The contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0030] Although the utility model 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 to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A road paver comprising a first support member (1), characterized in that: The inner cavity of the first support (1) is rotatably connected with three groups of roller shafts (2), and the three groups of roller shafts (2) are on the same horizontal line, wherein the roller shafts (2) at the front end are connected with the output end of the motor (3) through a driving assembly, and each group of roller shafts (2) is connected through a speed reduction assembly.
2. A road paver as claimed in claim 1, characterized in that: The speed reduction assembly comprises a first gear part (4), a second gear part (5), a third gear part (6), a fourth gear part (7) and a fifth gear part (8), which are arranged in a stepped manner, wherein the shaft of the roller shafts (2) at the front end is connected with the first gear part (4), the first gear part (4) is engaged with the second gear part (5), the second gear part (5) is engaged with the third gear part (6), the third gear part (6) is connected with the shaft of the roller shafts (2) at the middle end, the other side of the third gear part (6) is engaged with the fourth gear part (7), the fourth gear part (7) is engaged with the fifth gear part (8), and the fifth gear part (8) is connected with the shaft of the roller shafts (2) at the rear end, wherein the second gear part (5) and the fourth gear part (7) are rotatably connected with the first support (1).
3. The road paver as claimed in claim 1, wherein: The driving assembly comprises a first pulley (9), a belt (10), a second pulley (11) and a protective shell (12), the shaft of the roller shafts (2) at the front end is connected with the first pulley (9), the first pulley (9) is connected with the second pulley (11) through the belt (10), the second pulley (11) is connected with the output end of the motor (3), and the motor (3) is installed on one side of the top end of the first support (1).
4. The road paver as claimed in claim 1, wherein: The speed reduction assembly and the driving assembly can be protected by the protective shell (12).
5. The road paver as claimed in claim 1, wherein: A group of second supports (13) is installed on each side of the first support (1), and each group of second supports (13) is connected with two groups of liftable moving parts (14).
6. A road paver as claimed in claim 5, characterized in that: Two groups of hydraulic telescopic rods (15) are installed on the opposite ends of the two groups of second supports (13), and the two groups of hydraulic telescopic rods (15) are connected with a group of hydraulic pumps (16), and the output end of each group of hydraulic telescopic rods (15) is connected with a group of moving parts (14).