Unmanned electric road roller

Abstract

The utility model discloses an unmanned electric road roller and relates to the field of road rollers. An unmanned electric road roller comprises a main body unit, a rolling unit, a power unit and a steering unit, the rolling unit is located in front of the main body unit, the power unit is located below the main body unit, and the steering unit is located between the main body unit and the rolling unit and connected with the main body unit and the rolling unit. The main body unit comprises a protective shell and a chassis, the protective shell is arranged at the top of the chassis, an RTK antenna is arranged at the top of the protective shell, and an RTK mobile station is arranged at the top of the chassis. Compared with a fuel oil road roller, the unmanned electric road roller does not need to be driven by professional operators and is driven by electric power, so that the operation cost is low; according to the unmanned electric road roller, the most complex engine system in a fuel road roller is replaced by the motor, so that the maintenance cost is low; the unmanned electric road roller can be controlled to work automatically through a program.

Description

TECHNICAL FIELD

[0001] The utility model relates to road roller technical field, concretely is an unmanned electric road roller. BACKGROUND

[0002] The road roller is also called the earth presser, belongs to the category of road equipment in engineering machinery, is widely used in the filling compaction operation of large engineering projects such as high-grade highway, railway, airport runway, dam and stadium, and can roll and press sandy, semi-cohesive and cohesive soil, roadbed stable soil and asphalt concrete pavement layer.The road roller is suitable for various compaction operations by the gravity of the machine itself, and the rolled and pressed layer is densified by permanent deformation.

[0003] In actual engineering application, the road roller is mainly operated by the driver, and has the defects of difficult construction management, high labor cost and low work efficiency.In addition, the traditional road roller generally adopts fuel power, and has the defects of large equipment working noise, heavy exhaust pollution, high oil consumption cost and complex power system maintenance and maintenance.Due to the difficulty of construction management, the site compaction condition (including compaction track, speed, vibration mode and mechanical properties of soil) cannot be monitored in real time.The problems of missing pressure, insufficient pressure and overpressure are prone to occur, which leads to uneven settlement of roadbed, quality problems such as pavement cracking and safety hazards.

[0004] And the new energy vehicle relying on the power battery as the driving energy has great promoting effect on energy saving and emission reduction, environmental protection and the like because it has no harmful gas emission and small noise in driving. CONTENT OF THE UTILITY MODEL

[0005] In view of the defects of the prior art, the utility model provides an unmanned electric road roller, solves the problems that the engine emits exhaust gas to pollute the environment and has large noise, and the engine is troublesome to maintain, and solves the problem that the road roller operator has to face the harsh construction environment.

[0006] To achieve the above object, the utility model realizes the following technical scheme: an unmanned electric road roller, including main body unit, rolling unit, power unit and steering unit, the rolling unit is located in front of the main body unit, the power unit is located below the main body unit, the steering unit is located between the main body unit and the rolling unit, and is connected with the main body unit and the rolling unit, the main body unit includes protection shell and chassis, the protection shell is arranged on the top of the chassis, the top of the protection shell is provided with RTK antenna, and the top of the chassis is provided with RTK mobile station.

[0007] Preferably, the top of the chassis is provided with damping rod, the top of the damping rod is provided with bottom plate, the top of the bottom plate is provided with integrated control circuit, and the bottom of the chassis is provided with girder.

[0008] Preferably, the rolling unit comprises a fixed frame and a damping block, the outer side of the fixed frame is provided with a connecting fixed component, the inner side of the fixed frame is provided with a vibration motor, the outer side of the vibration motor is provided with a first driver, the output end of the vibration motor is sleeved with a transmission belt, and the inner side of the transmission belt is inserted with a vibration shaft.

[0009] Preferably, the vibration shaft is provided with an eccentric block, the vibration shaft is sleeved with a flange, the vibration shaft is sleeved with a damping block, the outer side of the flange is sleeved with a rolling wheel, the rolling wheel is penetrated by the vibration shaft, and the vibration shaft is movably inserted into the inner side of the fixed frame at both ends.

[0010] Preferably, the power unit comprises a power motor and a tire, the outer side of the power motor is provided with a second driver, the output end of the power motor is sleeved with a speed reducer, the speed reducer is inserted with a transmission shaft, and the transmission shaft is inserted into the inner side of the tire at both ends.

[0011] Preferably, the steering unit comprises a steering assembly, a hydraulic oil cylinder, a displacement sensor and a steering shaft, the steering assembly is arranged on the top of the chassis, the hydraulic oil cylinder is arranged on the bottom of the chassis and connected to the outer side of the fixed frame at the other end, the displacement sensor is arranged on the bottom of the chassis, and the steering shaft is inserted into the girder and connects the girder and the fixed frame.

[0012] The utility model discloses an unmanned electric road roller, which has the following beneficial effects: compared with the fuel road roller, the unmanned electric road roller does not need to be driven by professional operators and is driven by electricity, so the operation cost is low; the most complex engine system in the fuel road roller is replaced by the motor of the unmanned electric road roller, so the maintenance cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Fig. 1 It is a structural schematic diagram of the utility model;

[0015] Fig. 2 It is a structural schematic diagram of the utility model.

[0016] In the figure: 1, main unit; 11, protective shell; 111, RTK antenna; 12, chassis; 121, shock absorbing rod; 122, RTK mobile station; 13, girder; 14, bottom plate; 141, integrated control circuit; 2, rolling unit; 21, fixed frame; 211, connecting fixed component; 22, rolling wheel; 23, first driver; 24, vibration motor; 241, transmission belt; 25, vibration shaft; 251, eccentric block; 252, flange; 26, shock absorbing block; 3, power unit; 31, power motor; 32, second driver; 33, speed reducer; 34, transmission shaft; 35, tire; 4, steering unit; 41, steering component; 42, hydraulic oil cylinder; 43, displacement sensor; 44, steering shaft. DETAILED DESCRIPTION

[0017] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0018] The utility model embodiment discloses an unmanned electric road roller, according to the attached Figs. 1-2 As shown in a kind of unmanned electric road roller, including main unit 1, rolling unit 2, power unit 3 and steering unit 4, rolling unit 2 is located in front of main unit 1, power unit 3 is located below main unit 1, steering unit 4 is located between main unit 1 and rolling unit 2, and is connected main unit 1 and rolling unit 2, main unit 1 includes protective shell 11 and chassis 12, protective shell 11 is set at the top of chassis 12, RTK antenna 111 is provided at the top of protective shell 11, and RTK mobile station 122 is provided at the top of chassis 12.

[0019] Compared with the fuel road roller, the unmanned electric road roller does not need professional operator to drive, uses electric power to drive, and has low operation cost; the unmanned electric road roller replaces the most complex engine system in the fuel road roller by motor, and has low maintenance cost.

[0020] Further, the top of the chassis 12 is provided with a shock absorbing rod 121, the top of the shock absorbing rod 121 is provided with a bottom plate 14, the top of the bottom plate 14 is provided with an integrated control circuit 141, and the bottom of the chassis 12 is provided with a girder 13.

[0021] Further, the rolling unit 2 includes a fixed frame 21 and a shock absorbing block 26, the outer side of the fixed frame 21 is provided with a connecting fixed component 211, the inner side of the fixed frame 21 is provided with a vibration motor 24, the outer side of the vibration motor 24 is provided with a first driver 23, the output end of the vibration motor 24 is sleeved with a transmission belt 241, and the inner side of the transmission belt 241 is inserted with a vibration shaft 25.

[0022] Especially disclosed, the eccentric block 251 is arranged on the vibration shaft 25, the flange 252 is sleeved on the vibration shaft 25, the damping block 26 is sleeved on the vibration shaft 25, the rolling wheel 22 is sleeved outside the flange 252, the rolling wheel 22 is penetrated by the vibration shaft 25, and the vibration shaft 25 is movably inserted into the inside of the fixed frame 21 at both ends.

[0023] Especially disclosed, the power unit 3 comprises the power motor 31 and the tire 35, the second driver 32 is arranged outside the power motor 31, the speed reducer 33 is sleeved on the output end of the power motor 31, the transmission shaft 34 is inserted into the inside of the tire 35 at both ends.

[0024] Need to be emphasized, the steering unit 4 comprises the steering assembly 41, the hydraulic oil cylinder 42, the displacement sensor 43 and the steering shaft 44, the steering assembly 41 is arranged on the top of the chassis 12, the hydraulic oil cylinder 42 is arranged on the bottom of the chassis 12 and is connected to the outside of the fixed frame 21 at the other end, the displacement sensor 43 is arranged on the bottom of the chassis 12, and the steering shaft 44 is inserted into the girder 13 and connects the girder 13 and the fixed frame 21.

[0025] Working principle: the power unit 3 is provided with the power motor 31, the speed reducer 33, the transmission shaft 34 and the tire 35, the power motor 31 provides power for the transmission shaft 34 to drive the tire 35, so as to provide the advancing power for the unmanned electric road roller; the steering unit 4 is provided with the steering assembly 41 and the hydraulic oil cylinder 42 to control the steering of the unmanned electric road roller; the rolling unit 2 is provided with the rolling wheel 22, the vibration motor 24, the vibration shaft 241 and the eccentric block 251, the vibration motor 24 drives the vibration shaft 241 through the transmission belt 241, the eccentric block 251 is arranged on the vibration shaft 241, the eccentric block 251 makes the vibration shaft 241 vibrate during rotation, so as to drive the rolling wheel 22 to vibrate, and the rolling wheel 22 has the rolling effect.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An unmanned electric road roller comprising a main body unit (1), a rolling unit (2), a power unit (3) and a steering unit (4), the rolling unit (2) being located in front of the main body unit (1), the power unit (3) being located below the main body unit (1), the steering unit (4) being located between the main body unit (1) and the rolling unit (2) and connecting the main body unit (1) and the rolling unit (2), characterized in that, The main unit (1) comprises a protective shell (11) and a chassis (12), the protective shell (11) is arranged on the top of the chassis (12), the top of the protective shell (11) is provided with an RTK antenna (111), and the top of the chassis (12) is provided with an RTK mobile station (122).

2. The unmanned motorized road roller according to claim 1, wherein The top of the chassis (12) is provided with a damping rod (121), the top of the damping rod (121) is provided with a bottom plate (14), the top of the bottom plate (14) is provided with an integrated control circuit (141), and the bottom of the chassis (12) is provided with a girder (13).

3. The unmanned motorized road roller according to claim 1, wherein The rolling unit (2) comprises a fixed frame (21) and a damping block (26), the outer side of the fixed frame (21) is provided with a connecting fixing assembly (211), the inner side of the fixed frame (21) is provided with a vibration motor (24), the outer side of the vibration motor (24) is provided with a first driver (23), the output end of the vibration motor (24) is sleeved with a transmission belt (241), and the inner side of the transmission belt (241) is inserted with a vibration shaft (25).

4. The unmanned motorized road roller according to claim 3, wherein The vibration shaft (25) is provided with an eccentric block (251), the vibration shaft (25) is sleeved with a flange (252), the vibration shaft (25) is sleeved with a damping block (26), the outer side of the flange (252) is sleeved with a rolling wheel (22), the rolling wheel (22) is penetrated by the vibration shaft (25), and the vibration shaft (25) is movably inserted into the inner side of the fixed frame (21) at both ends, and the vibration shaft (25) is movably inserted into the inner side of the connecting fixing assembly (211) at both ends.

5. The unmanned motorized road roller according to claim 1, wherein The power unit (3) comprises a power motor (31) and a tire (35), the outer side of the power motor (31) is provided with a second driver (32), the output end of the power motor (31) is sleeved with a speed reducer (33), the speed reducer (33) is inserted with a transmission shaft (34), and the transmission shaft (34) is movably inserted into the inner side of the tire (35) at both ends.

6. The unmanned motorized road roller according to claim 1, wherein The steering unit (4) comprises a steering assembly (41), a hydraulic oil cylinder (42), a displacement sensor (43) and a steering shaft (44), the steering assembly (41) is arranged on the top of the chassis (12), the hydraulic oil cylinder (42) is arranged on the bottom of the chassis (12) and connected to the outer side of the fixed frame (21), the displacement sensor (43) is arranged on the bottom of the chassis (12), and the steering shaft (44) is movably inserted into the girder (13) and connected to the fixed frame (21).

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