A snow thrower of the auger type

Abstract

The application relates to a rotary cutting type snow thrower, which comprises a working device, a rigid chassis, a walking system, an engine power system, a closed cab, a hydraulic system, an electrical system and an intelligent system; the walking system is arranged at the bottom of the rigid chassis; the working device, the engine power system, the closed cab, the hydraulic system, the electrical system and the intelligent system are arranged on the rigid chassis; the engine power system is in driving connection with the walking system and the working device respectively; the hydraulic system is in driving connection with the working device; the electrical system is in control connection with the hydraulic system and the engine power system respectively; the intelligent system is arranged in the closed cab and is in control connection with the electrical system; the intelligent system can control the working of the working device and the walking system by means of the electrical system. The snow thrower provided by the application realizes rapid, efficient and safe road snow removal work.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of road maintenance equipment, and particularly relates to a rotary cutting snow thrower. BACKGROUND

[0002] On the snow removal equipment, different equipment can be applied according to different snow accumulation and working conditions. For general thin snow, a snow removal vehicle or a grader with a single function of "pushing", "sweeping", "blowing" or a three-in-one function is generally used, and a method of dissolving snow by chemical method is also used. The snow removal vehicle integrated with the three-in-one function of "pushing", "sweeping" and "blowing" is widely used due to its good snow removal effect, high efficiency and ability to handle many complex snow conditions.

[0003] However, for thick snow in high latitude areas and extreme "wind blown snow" conditions, the working efficiency of the conventional "pushing", "sweeping" and "blowing" snow removal vehicle will be seriously reduced or even unable to work. In this case, a snow thrower capable of breaking and collecting snow and throwing it far away becomes a necessary equipment.

[0004] In the development of snow thrower equipment, Japanese patent JP4442730B2 provides a snow removal machine without manual operation on uneven road surface, which can reliably and effectively remove snow. It mainly includes a traveling vehicle, a snow removal device supported in front of the traveling vehicle, a lifting device installed between the traveling vehicle and the snow removal device for moving the snow removal device up and down, an oil cylinder for tilting the snow removal device forward and backward and a lifting oil cylinder for lifting the snow removal device up and down. By setting the tilting oil cylinder and the lifting oil cylinder in a floating state, the snow can be removed according to the road surface condition, and the residual snow is less after snow removal.

[0005] Another patent of the above patent owner JP4553154B2 describes a spiral snow removal machine, which includes a vehicle 2 capable of self-propelling through a traveling drive device and a snow removal device provided in front of the vehicle and driven by a snow removal drive device. The snow removal device includes a spiral machine for collecting snow and a blower for throwing the snow collected by the spiral machine in a predetermined direction. The traveling control device is used to control the traveling motor of the vehicle to travel at a predetermined speed, which is determined according to the snow height. The traveling control device includes a setting device for setting the snow height and a storage component for storing the speed limit corresponding to the input snow height. It can control the speed according to the thickness of the snow to ensure efficient and high-quality completion of the snow removal work.

[0006] The utility model discloses a snow thrower with road edge tracking control system, including cab, car body, snow throwing cylinder and road edge tracking control system, the road edge tracking control system includes road distance sensor, controller, display and alarm mechanism, the controller, alarm mechanism, display are all installed in the cab, the distance sensor includes front vehicle distance sensor and rear vehicle distance sensor, is installed respectively in the car body both ends near the road edge stone one side, and is connected with controller input end respectively, and the controller output end is connected alarm mechanism, and the display is connected with controller through data line bidirectionally. But in the case of snow burying road edge stone, the control system described in this patent will not work.

[0007] CN107542057A discloses a snow removal snow thrower, including automobile chassis, power driving device, snow throwing device, the automobile chassis is equipped with control system and power driving device, the automobile chassis front end is equipped with the snow throwing device, the snow throwing device includes rack, winch cage assembly, thrower and snow guide, characterized in that the shell of the thrower is composed of high-throwing shell, rotating shell, connecting block and rotating shell rotary device. However, due to its adoption of the split type design of installing the snow throwing device on the automobile chassis, the snow throwing capacity and efficiency are limited by the specification of the automobile chassis.

[0008] The above-mentioned snow thrower patent includes two types of split type and integral type. The split type snow thrower installs the snow throwing device on the loader or other forms of vehicles, which is limited by the power and structure of the matching equipment. The snow throwing capacity of this kind of snow thrower is low, and it cannot handle severe snow conditions, but the cost is low. The integral type snow thrower is configured with a stronger power system and working device, which can handle more severe snow conditions, has higher working efficiency, and also has higher cost.

[0009] With the development of the times, the society's sensitivity to time and efficiency is increasing. In key areas such as highways, airports and urban main roads, more efficient snow removal and obstacle removal operations are required, which requires higher requirements for the snow throwing efficiency of the snow thrower. SUMMARY

[0010] (I)Technical problems to be solved

[0011] In view of the existing technical problems, the present application provides a rotary cutting type snow thrower, which realizes rapid, efficient and safe road snow removal work.

[0012] (II)Technical scheme

[0013] In order to achieve the above purpose, the main technical scheme adopted by the present application includes:

[0014] A rotary snow-throwing machine comprises a working device, a rigid chassis, a running system, an engine power system, a closed cab, a hydraulic system, an electrical system and an intelligent system;

[0015] The running system is arranged at the bottom of the rigid chassis;

[0016] The working device, the engine power system, the closed cab, the hydraulic system, the electrical system and the intelligent system are all arranged on the rigid chassis;

[0017] The engine power system is drivingly connected with the running system and the working device respectively through the hydraulic system;

[0018] The electrical system is control-connected with the hydraulic system and the engine power system respectively;

[0019] The intelligent system is arranged in the closed cab and control-connected with the electrical system;

[0020] The intelligent system can control the working of the working device and the running system respectively by means of the electrical system.

[0021] Preferably, the working device comprises a positioning device, a snow collecting device and a snow throwing device;

[0022] The rear part of the positioning device is connected with the frame of the rigid chassis; the snow collecting device is arranged at the front part of the positioning device and drivingly connected with the positioning device;

[0023] The snow throwing device is arranged at the middle part of the positioning device and drivingly connected with the positioning device; the positioning device is also drivingly connected with the hydraulic system.

[0024] Preferably, the positioning device comprises a swing frame, an upper connecting rod, a pitch cylinder assembly, a working motor, a working device driving box, a lower connecting rod, a snow shoveling device and a snow shoe assembly;

[0025] The working device driving box is arranged at the middle part of the swing frame;

[0026] The snow throwing device is drivingly connected with the working device driving box;

[0027] The front part of the swing frame is connected with the snow collecting device;

[0028] The rear part of the swing frame is connected with the upper connecting rod and the lower connecting rod and connected with the frame of the rigid chassis by means of the upper connecting rod and the lower connecting rod;

[0029] A parallelogram mechanism is formed between the upper connecting rod and the lower connecting rod;

[0030] The pitch cylinder assembly comprises two pitch cylinders with the same structure;

[0031] The swing frame and the vehicle frame are further linked through two mutually parallel pitch cylinders, and when the two pitch cylinders operate synchronously, the positioning device can drive the snow throwing device and the snow collecting device to move up and down under the constraint of the parallelogram linkage mechanism;

[0032] When the two pitch cylinders operate asynchronously, the left and right yaw of the working device as a whole can be realized.

[0033] Preferably, the working motor is arranged on the swing frame and is in driving connection with the working device driving box;

[0034] The hydraulic system is in driving connection with the working motor;

[0035] The snow shoe assembly comprises two snow shoes with the same structure;

[0036] The two snow shoes are arranged at the bottom of the swing frame to support the working device;

[0037] The two snow shoes have an adjustable height structure; the snow shoveling device is located below the front of the swing frame and maintains a certain distance from the ground under the support of the snow shoes;

[0038] The high-brightness working lamp is installed in front of the positioning device, and cameras are installed on both sides in front, which can collect front images for transmission to the display screen in the enclosed cab;

[0039] The horizontal plane and vertical plane directions of the working lamp and the camera can be adjusted.

[0040] Preferably, the snow collecting device is arranged at the front of the positioning device;

[0041] The snow collecting device comprises an auger mechanism, a sprocket box, a side mounting plate and an input shaft;

[0042] The sprocket box and the side mounting plate are arranged on both sides of the auger mechanism, respectively;

[0043] The two ends of the auger mechanism are fixedly arranged on the bearings of the sprocket box and the side mounting plate, respectively;

[0044] The auger mechanism is coaxial with the bucket surface of the positioning device;

[0045] The side mounting plate is connected with the swing frame;

[0046] The chain wheel box is connected with the input shaft and can be driven by the input shaft and the working device driving box; the chain wheel box can drive the auger mechanism to work.

[0047] Preferably, the snow throwing device is arranged in the middle of the positioning device.

[0048] The snow throwing device comprises a fan impeller, a drum, a drum oil cylinder, a support frame, a rotary mechanism, an extension oil cylinder, a snow throwing cylinder, a flap oil cylinder and a flap.

[0049] One side of the drum is lapped on the working device driving box on the positioning device, and the other side is lapped in front of the positioning device, and the drum is connected with one side of the positioning device through the drum oil cylinder, and under the driving of the drum oil cylinder, the drum can rotate around the center of the output shaft of the working device driving box.

[0050] The outlet of the drum is aligned with the inlet of the snow throwing cylinder.

[0051] The fan impeller is located in the drum and is connected with the output end of the working device driving box, and rotates under the driving of the rotating shaft of the output end of the working device driving box.

[0052] The support frame is installed above the positioning device and above the drum for supporting the rotary mechanism.

[0053] The rotary mechanism is installed on the support frame by hinging, and is connected with one side of the positioning device through the oil cylinder of the rotary mechanism.

[0054] Preferably, the snow throwing cylinder is installed on the rotary mechanism and can rotate on the rotary mechanism, and under the driving of the oil cylinder of the rotary mechanism, the snow throwing cylinder can be tilted together with the rotary mechanism.

[0055] The snow throwing cylinder is a sleeve extension structure and can be driven by the extension oil cylinder to extend and retract along the arc.

[0056] The flap is installed above the snow throwing cylinder and can be turned over under the driving of the flap oil cylinder to adjust the snow throwing path of the snow throwing cylinder.

[0057] One end of the flap oil cylinder is connected with the snow throwing cylinder, and the other end is connected with the flap.

[0058] Preferably, the rigid chassis is a double rectangular girder structure.

[0059] The top of the girder structure is provided with an engine mounting seat, the front is provided with a working device mounting hinge seat, and the bottom is provided with a leaf spring hinge seat for installing the running system.

[0060] The rigid chassis comprises a frame for connecting the working device.

[0061] Preferably, the walking system comprises an axle and a four-wheel steering assembly.

[0062] The axle is connected with the leaf spring hinged seat.

[0063] The four-wheel steering assembly is arranged on the axle.

[0064] The four-wheel steering assembly further comprises a walking motor and a walking wheel unit.

[0065] The walking motor is drivingly connected with the walking wheel unit.

[0066] The hydraulic system is drivingly connected with the walking motor.

[0067] The hydraulic system at least comprises a working pump and the walking pump.

[0068] The working pump is drivingly connected with the working motor.

[0069] The walking pump is drivingly connected with the walking motor.

[0070] The working pump is drivingly connected with the working device through the working motor.

[0071] The walking pump is drivingly connected with the walking system through the walking motor.

[0072] Preferably, the engine power system at least comprises an engine.

[0073] The electrical system is control-connected with the engine.

[0074] The engine is further drivingly connected with the working pump and the walking pump respectively.

[0075] The intelligent system comprises an automatic control assembly and a remote communication assembly.

[0076] The automatic control assembly can be communicatively connected with a remote control system through the remote communication assembly.

[0077] The remote control system can control the automatic control assembly to control the snow thrower to automatically remove snow.

[0078] (Three) beneficial effects

[0079] The large-diameter fan impeller and the large-diameter multi-spiral multi-point support auger mechanism in the present application can provide greater snow removal capacity per unit time; the fan impeller and the auger are matched in power to ensure efficient operation while avoiding jamming;

[0080] The snow throwing device and the traveling vehicle are designed in an integrated manner, and a same engine is used for traveling and working; the engine drives a traveling pump and a working pump, the traveling pump drives a traveling motor, the traveling motor drives the vehicle to travel, the working pump drives a working motor, and the working motor drives a screw conveyor mechanism and a fan impeller through a transfer case. The displacement of the traveling pump and the working pump is controlled through electromagnetic valves to control the traveling and working powers, and the traveling and working powers can be controlled better according to different snow conditions to obtain the best snow removing effect. The new chassis traveling system designed for large-size working devices increases the load capacity of the front axle to ensure the stability and reliability of the large-size working devices and the whole vehicle.

[0081] The screw conveyor mechanism of the snow collecting device is designed with a belt-shaped tooth, a cutting tooth and a tail end ring structure to improve the snow breaking capacity of the screw conveyor mechanism; the screw conveyor of the snow collecting device is designed in a structure in which two screw conveyors are arranged reversely, and the snow is transported from the two sides to the middle when the screw conveyors rotate;

[0082] The snow throwing operation is provided with multiple gear modes, which are adjusted according to the snow conditions to cope with complex snow conditions; meanwhile, the high-speed gear can be used for fast scene switching to improve the efficiency of snow removing operation for rescue and disaster relief.

[0083] The folding snow throwing cylinder is designed, the snow throwing device is folded through the deflection of the cylinder and the dumping of the snow throwing cylinder in the opposite direction, the stability during the transfer process is improved, the view of the cab is avoided from being blocked and the vehicle center of gravity is avoided from being too high; meanwhile, the snow throwing cylinder is installed on the slewing platform and can slewing, the snow throwing direction can be adjusted and the near and far distances of the snow throwing can be controlled by combining the dumping of the snow throwing cylinder.

[0084] The working device driving box is driven by a hydraulic motor, the working device screw conveyor mechanism can be reversed by reversing the working motor, and the screw conveyor can be reversed to exit the stuck state when the screw conveyor is stuck.

[0085] The working device can be adjusted up and down and can be deflected left and right; the working device can be adjusted up and down to adapt to different snow heights, and the working device can be lifted to pass over obstacles such as road signs and speed bumps on the road.

[0086] The snow boots of the positioning device are adjustable in height, the snow removing device can be adjusted according to the required ground clearance to avoid damaging the road signs during snow removing and to avoid wearing the snow removing device; the working lamps and the cameras are arranged in front of the two sides to provide the driver with a more sufficient view.

[0087] The intelligent configuration support equipment can perform automatic snow removing operation and remote control operation, the working efficiency is high, and the workload of the workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0088] Figure 1An overall structural schematic diagram of the rotary cutting snow thrower provided by the present application;

[0089] Figure 2 A power transmission frame diagram in the rotary cutting snow thrower provided by the present application;

[0090] Figure 3 An operating device structural schematic diagram of the rotary cutting snow thrower provided by the present application;

[0091] Figure 4 A lowering state schematic diagram of the operating device of the rotary cutting snow thrower provided by the present application;

[0092] Figure 5 A lifting state schematic diagram of the operating device of the rotary cutting snow thrower provided by the present application;

[0093] Figure 6 A snow collecting device structural schematic diagram of the operating device in the embodiment of the present application;

[0094] Figure 7 A snow throwing device structural schematic diagram of the operating device in the embodiment of the present application;

[0095] Figure 8 A positioning device structural schematic diagram of the operating device in the embodiment of the present application;

[0096] Figure 9 An overall structural schematic diagram of the rotary cutting snow thrower provided by the present application;

[0097] Figure 10 An intelligent system satellite communication positioning schematic diagram of the rotary cutting snow thrower provided by the present application.

[0098]

BRIEF DESCRIPTION OF THE DRAWINGS

[0099] 1: rigid chassis; 101: vehicle frame;

[0100] 2: engine power system; 3: electrical system; 4: running system; 5: enclosed cab; 6: intelligent system; 7: operating device;

[0101] 701: positioning device;

[0102] 7011: operating device driving box; 7012: operating motor; 7013: swing frame; 7014: upper connecting rod; 7015: lower connecting rod; 7016: pitch cylinder assembly; 7017: snow shoe assembly; 7018: snow shoveling device; 7019: working lamp; 7010: camera;

[0103] 702: snow collecting device;

[0104] 7021: Screw mechanism; 7022: Safety pin; 7023: Sprocket box; 7024: Input shaft; 7025: Side mounting plate;

[0105] 703: Snow-throwing device;

[0106] 7031: Roller; 7032: Fan impeller; 7033: Support frame; 7034: Rotary mechanism; 7035: Snow thrower; 7036: Telescopic cylinder; 7037: Flip-top cylinder; 7038: Flip-top spring; 7039: Flip-top. Detailed Implementation

[0107] To better explain and facilitate understanding of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0108] Example 1

[0109] like Figures 1-10 As shown: This embodiment provides a rotary snow blower, including: a working device 7, a rigid chassis 1, a walking system 4, an engine power system 2, an enclosed cab 5, a hydraulic system, an electrical system 3, and an intelligent system 6.

[0110] The walking system 4 is located at the bottom of the rigid chassis 1; the working device 7, the engine power system 2, the enclosed cab 5, the hydraulic system, the electrical system 3, and the intelligent system 6 are all located on the rigid chassis 1; the engine power system 2 is driven and connected to the walking system 4 and the working device 7 respectively through the hydraulic system.

[0111] In detail, the engine power system provides drive for the walking system and working device. High-pressure oil is generated by the engine-driven pump, and then sent to hydraulic actuators such as hydraulic motors and cylinders to drive the walking system and working device. The electrical system 3 is connected to both the hydraulic system and the engine power system 2. The intelligent system 6 is located within the enclosed cab 5 and is connected to the electrical system 3. The intelligent system 6 can control the operation of the working device 7 and the walking system 4 via the electrical system.

[0112] In this embodiment, the rotary snow blower adopts an integrated design of the working device 7 and the traveling vehicle, with a single engine shared for both operation and travel. The engine drives the traveling pump and the working pump, the traveling pump drives the traveling motor, and the traveling motor drives the vehicle. The working pump drives the working motor, and the working motor drives the auger mechanism and the fan impeller respectively through a transfer case. The displacement of the traveling pump and the working pump is controlled by solenoid valves to control the power distribution for traveling and working, matching the power distribution for traveling and working according to the actual snow conditions.

[0113] The working device 7 in the embodiment comprises a positioning device 701, a snow collecting device 702 and a snow throwing device 703; the rear part of the positioning device 701 is connected with the frame 101 of the rigid chassis 1; the snow collecting device 702 is arranged at the front part of the positioning device 701 and is drivingly connected with the positioning device 701; the snow throwing device 703 is arranged at the middle part of the positioning device 701 and is drivingly connected with the positioning device 701; the positioning device 701 is also drivingly connected with the hydraulic system.

[0114] The positioning device 701 in the embodiment comprises a swing frame 7013, an upper connecting rod 7014, a pitch cylinder assembly 7016, a working motor 7012, a working device driving box 7011, a lower connecting rod 7015, a snow collecting device 7018 and a snow shoe assembly 7017; the working device driving box 7011 is arranged at the middle part of the swing frame 7013; the snow throwing device 7018 is drivingly connected with the working device driving box 7011.

[0115] The front part of the swing frame 7013 is connected with the snow collecting device 702; the rear part of the swing frame 7013 is connected with the upper connecting rod 7014 and the lower connecting rod 7015 and is connected with the frame 101 of the rigid chassis 1 through the upper connecting rod 7014 and the lower connecting rod 7015; the upper connecting rod 7014 and the lower connecting rod 7015 constitute a parallelogram mechanism; the pitch cylinder assembly 7016 comprises two pitch cylinders which are identical in structure.

[0116] In detail, the swing frame 7013 is also linked with the frame 101 through two mutually parallel pitch cylinders; when the two pitch cylinders operate synchronously, the positioning device 701 can drive the snow throwing device 703 and the snow collecting device 702 to move up and down as a whole under the constraint of the parallelogram connecting rod mechanism; when the two pitch cylinders operate asynchronously, the left and right deflection of the working device 7 as a whole can be realized.

[0117] The working motor 7012 in the embodiment is arranged on the swing frame 7013 and is drivingly connected with the working device driving box 7011; the hydraulic system is drivingly connected with the working motor 7012; the snowshoe assembly 7017 comprises two snowshoes which are identical in structure; the two snowshoe assemblies 7017 are arranged at the bottom of the swing frame 7013 and are used to support the working device 7; the two snowshoes have an adjustable height structure; the snow shoveling device 7018 is arranged below the front of the swing frame 7013 and is kept at a certain distance from the ground under the support of the snowshoes; the positioning device 701 is provided with high-brightness working lamps 7019 in front and is provided with cameras 7010 in front of both sides, which can collect front images and transmit them to the display screen in the enclosed cab 5; the horizontal plane and the vertical plane direction of the working lamps 7019 and the cameras 7010 can be adjusted.

[0118] The snow collecting device 702 in the embodiment is arranged at the front of the positioning device 701; the snow collecting device 702 comprises an auger mechanism 7021, a sprocket box 7023, a side mounting plate 7025 and an input shaft 7024; the sprocket box 7023 and the side mounting plate 7025 are arranged at the two sides of the auger mechanism 7021 respectively; the two ends of the auger mechanism 7021 are fixedly arranged on the bearings of the sprocket box 7023 and the side mounting plate 7025 respectively; the auger mechanism 7021 is coaxial with the bucket surface of the positioning device 701; the side mounting plate 7025 is connected with the swing frame 7013; the sprocket box 7023 is connected with the input shaft 7024 and can be drivingly connected with the working device driving box 7011 through the input shaft 7024; the sprocket box 7023 can drive the auger mechanism 7021 to work.

[0119] The snow throwing device 703 in the embodiment is arranged at the middle of the positioning device 701; the snow throwing device 703 comprises a fan impeller 7032, a roller 7031, a roller oil cylinder, a support frame 7033, a rotating mechanism 7034, a telescopic oil cylinder 7036, a snow throwing cylinder 7035, a flap oil cylinder 7037 and a flap 7039.

[0120] One side of the roller 7031 is lapped on the working device driving box 7011 of the positioning device 701 and the other side is lapped in front of the positioning device 701, and is connected with one side of the positioning device 701 through the roller oil cylinder; under the driving of the roller oil cylinder, the roller 7031 can rotate around the center of the output shaft of the working device driving box 7011.

[0121] The drum 7031 is aligned with the snow throwing cylinder 7035; the fan wheel 7032 is located in the drum 7031 and connected with the output end of the working device driving box 7011, and rotates under the driving of the rotating shaft of the output end of the working device driving box 7011; the support frame 7033 is installed above the positioning device 701 and above the drum 7031, and is used for supporting the rotary mechanism 7034. The rotary mechanism 7034 is installed on the support frame 7033 in a hinged manner, and is connected with one side of the positioning device 701 through the oil cylinder of the rotary mechanism 7034.

[0122] The snow throwing cylinder 7035 is installed on the rotary mechanism 7034, can rotate on the rotary mechanism 7034, and can be tilted together with the rotary mechanism 7034 under the driving of the oil cylinder of the rotary mechanism 7034; the snow throwing cylinder 7035 has a telescopic structure, can be driven by the telescopic oil cylinder 7036 to expand and contract along the arc, and the upper end of the snow throwing cylinder 7035 is provided with a flip cover 7039, which can be flipped under the driving of the flip cover oil cylinder 7037 to adjust the snow throwing path of the snow throwing cylinder 7035; one end of the flip cover oil cylinder 7037 is connected with the snow throwing cylinder 7035, and the other end is connected with the flip cover 7039.

[0123] The rigid chassis 1 has a double-rectangular girder structure in the embodiment; the upper end of the girder structure is provided with an engine mounting seat, the front end is provided with a working device mounting hinge seat, and the lower end is provided with a leaf spring hinge seat for mounting the running system; the rigid chassis includes a frame 101 connected with the working device 7.

[0124] The running system 4 includes an axle and a four-wheel steering assembly in the embodiment; the axle is connected with the leaf spring hinge seat; the four-wheel steering assembly is arranged on the axle; the four-wheel steering assembly further includes a running motor and a running wheel unit; the running motor is drivingly connected with the running wheel unit. The hydraulic system is drivingly connected with the running motor; the hydraulic system at least includes a working pump and a running pump; the working pump is drivingly connected with the working motor; the running pump is drivingly connected with the running motor; the working pump is drivingly connected with the working device 7 through the working motor; the running pump is drivingly connected with the running system 4 through the running motor.

[0125] The engine power system 2 in the embodiment comprises at least an engine; the electric system is connected with the engine; the engine is further connected with the working pump and the walking pump respectively; the working pump is connected with the working motor 7012; the walking pump is connected with the walking motor; the intelligent system comprises an automatic control assembly and a remote communication assembly; the automatic control assembly can be connected with a remote control system through the remote communication assembly; the remote control system can control the automatic control assembly to control the snow thrower to automatically remove snow.

[0126] The snow thrower adopts a large-diameter multi-spiral multi-point support auger mechanism to realize snow breaking and snow collecting, and a large-diameter fan impeller to realize long-distance large-capacity snow throwing, and the two devices are matched in power for operation, and the diameter, pitch and rotating speed of the auger and the diameter, rotating speed and blade width of the fan impeller are comprehensively designed to meet the requirement of large snow throwing capacity.

[0127] The snow collecting device 702 auger mechanism is designed with a belt-shaped tooth, a cutting tooth and a tail end ring structure, which can improve the snow breaking capacity of the auger mechanism; the snow collecting device auger is in a structure form that two spiral augers are arranged in opposite directions, and the snow is transported from both sides to the middle when the auger rotates; the snow throwing operation is provided with multiple gear modes, and the rotating speed of the auger and the linear speed of the snow throwing impeller fan between different gear positions present a certain proportion, which is adjusted according to the snow conditions.

[0128] The folding snow throwing cylinder is designed, the snow throwing cylinder and the impeller cylinder are designed in a split type, the impeller cylinder and the snow throwing cylinder are respectively tilted in opposite directions during the transfer process to realize folding to improve the transfer efficiency, and the snow throwing cylinder can also be adjusted in the vertical direction during the working process; the snow throwing cylinder is installed on the rotary seat and can be rotated in the horizontal direction, the dumping and rotation of the snow thrower can adjust the direction of snow throwing according to the wind direction, terrain and other factors; the hydraulic motor drives the working device drive box, the working motor can be reversed to realize the reverse rotation of the working device auger mechanism, and the auger can be reversed to exit the stuck state when it is stuck.

[0129] The working device 7 can be adjusted up and down and can be deflected left and right; the positioning device 701 snow shoe height is adjustable, and the gap between the bucket and the ground can be adjusted as needed; the intelligent configuration support equipment can be used for unmanned automatic operation and remote control operation.

[0130] Embodiment two

[0131] The rotary cutting type snow thrower belongs to the present application, which comprises a working device 7, a rigid chassis 1, a walking system 4, an engine power system 2, a closed cab 5, a hydraulic system, an electric system 3 and an intelligent system 6, as shown in Figure 1The working device 7 is shown in FIG. 1. The working device 7 includes three parts: a positioning device 701, a snow collecting device 702, and a snow throwing device 703, as shown in FIG. 1. Figure 3 The main components of the positioning device 701 include a swing frame 7013, an upper connecting rod 7014, a pitch cylinder assembly 7016, a working motor 7012, a working device drive box 7011, a lower connecting rod 7015, a snow shovel device 7018, and a snow shoe assembly 7017, as shown in FIG. 2. Figure 6 The working device 7 is mainly powered by a hydraulic motor (working motor 7012) and a working device drive box 7011 to drive the snow throwing device 703 and the snow collecting device 702 at a certain speed to match the operation of the snow throwing device 703 and the snow collecting device 702. The middle part of the swing frame 7013 of the positioning device 701 is connected to the snow throwing device 703 through the working device drive box 7011, the front part is connected to the snow collecting device 702, and the rear part is connected to the vehicle frame 101 through a parallelogram connecting rod mechanism composed of four connecting rods with equal length and parallel to each other. At the same time, the swing frame 7013 and the vehicle frame 101 are also connected through two mutually parallel pitch cylinder assemblies 7016. When the two pitch cylinders operate synchronously, the positioning device 701 drives the snow throwing device 703 and the snow collecting device 702 to move up and down as a whole under the constraint of the parallelogram connecting rod mechanism. When the two pitch cylinders operate asynchronously, the device as a whole can be left and right deflected to adapt to various road conditions. The connections between the upper connecting rod 7014, the lower connecting rod 7015, the pitch cylinder assembly 7016, the vehicle frame 101, and the swing frame 7013 are in the form of spherical hinges, preferably joint bearings. Figure 4 Figure 5 The snow shoe structure is height-adjustable, and the ground clearance of the snow shovel device 7018 can be adjusted as needed. After the wear plate of the snow shoe is worn out, the height can be adjusted to ensure the original ground clearance of the snow shovel device 7018. The snow shovel device 7018 is located below the front of the positioning device 7 and maintains a certain distance from the ground under the support of the snow shoe, which determines the thickness of the residual snow on the road after snow throwing operation. The distance can be changed by adjusting the vertical position of the snow shoe according to the actual snow removal needs. High-brightness working lamps 7019 are installed in front of the positioning device 701, and cameras 7010 are installed on both sides in front, which can collect front images and transmit them to the display screen in the cab to provide the driver with a more sufficient front view. The horizontal and vertical directions of the working lamps 7019 and the cameras 7010 can be adjusted, as shown in FIG. 3. Figure 6 The snow collecting device 702 is installed in front of the positioning device 701 and is designed for thick and hard snow and complex working conditions, mainly including an auger mechanism 7021, a chain wheel box 7023, a side mounting plate 7025, an input shaft 7024, and other components, as shown in FIG. 4. Figure 7 ​The snow collecting device 702 is installed on the positioning device 701 through the side mounting plate 7025 and the sprocket box 7023, and the auger mechanism 7021 is located between the side mounting plate 7025 and the sprocket box 7023 and coaxial with the bucket round surface of the positioning device 701. In order to obtain greater snow breaking and collecting capacity, the auger mechanism 7021 is designed with a large diameter. In particular, in order to meet the support requirements of the large-diameter auger device, the auger device needs to adopt a multi-point support mode, and preferably, the auger device is fixed on the bearings of the sprocket box 7023 and the side mounting plate 7025 on both sides. Further, in order to meet the greater snow breaking and collecting capacity, considering the small friction of the accumulated snow, a large pitch multi-spiral design is adopted to increase the conveying capacity. The rear end of the sprocket box 7023 is connected to the working device drive box 7011 through the input shaft 7024, and the power of the working device drive box 7011 is transmitted to the sprocket box 7023. The front end of the sprocket box 7023 is connected to the auger mechanism 7021 to drive the auger to rotate. The auger mechanism 7021 is a spiral conveyor that conveys from both sides to the middle. The two spiral augers are arranged in opposite directions, and the accumulated snow is conveyed from both sides to the middle during operation. The outer side is toothed, and the toothed shape includes but is not limited to a belt structure. The auger is provided with a cutting tooth above, and the cutting tooth shape includes but is not limited to a circular structure. The two ends are tail rings, which can cut the accumulated snow. The belt teeth, cutting teeth and tail rings on the outer side of the auger mechanism 7021 all enhance the snow breaking capacity of the auger. The auger mechanism 7021 and the output shaft of the sprocket box 7023 are connected by a safety pin 7022, which will shear the safety pin 7022 to protect the power transmission system when the auger is stuck by an obstacle.

[0132] The snow throwing device 703 is located in the middle of the positioning device 701 and mainly includes a fan impeller 7032, a roller 7031, a support frame 7033, a rotary mechanism 7034, an extension oil cylinder 7036, a snow throwing cylinder 7035, a flip oil cylinder 7037, a flip 709 and the like. Figure 8The component body can be divided into two parts, the drum 7031 and the snow throwing cylinder 7035, which are designed in a split type and are respectively installed on the positioning device 701. In the working state, the outlet of the drum 7031 is aligned with the inlet of the snow throwing cylinder 7035. The fan impeller 7032 is located in the drum 7031 and is connected with the output end of the working device driving box 7011 of the positioning device 701 and rotates under the driving of the output shaft of the working device driving box 7011. In order to meet the greater snow removing capacity, a larger fan diameter and blade width are adopted, and at the same time, in order to ensure the strength of the fan blade, the ratio of the fan radius to the blade width is set within a certain range, and a high-power engine is configured to meet the high-speed requirement. One side of the drum 7031 is overlapped with the working device driving box 7011 on the positioning device 701, and the other side is overlapped with the structure connected with the shovel in front of the positioning device 701. At the same time, the drum 7031 is connected with one side of the positioning device 701 through the drum oil cylinder and can rotate around the center of the output shaft of the working device driving box 7011 under the driving of the drum oil cylinder. The support frame 7033 is installed above the positioning device 701 and above the drum 7031 and is used to support the rotating mechanism 7034. The rotating mechanism 7034 is installed on the support frame 7033 in a hinged manner and is connected with one side of the positioning device 701 through the oil cylinder of the rotating mechanism 7034, and the rotating mechanism 7034 is supported by the oil cylinder of the support frame 7033 and the rotating mechanism 7034. Specifically, the rotating mechanism 7034 is in the form of a gear driving pin shaft array, and the rotating mechanism 7034 can be in other forms such as gears, gear racks, chain wheels and chains, etc. The snow throwing cylinder 7035 is installed on the rotating mechanism 7034 and can rotate on the rotating mechanism 7034 and dump together with the rotating mechanism 7034 under the driving of the oil cylinder of the rotating mechanism. The snow throwing cylinder 7035 is in a sleeve telescopic structure and can be driven by the telescopic oil cylinder 7036 to expand and contract along the arc. The flip cover 7039 structure is installed above the snow throwing cylinder 7035 and can be flipped under the driving of the flip cover oil cylinder 7037 to adjust the snow throwing path of the snow throwing cylinder. The flip cover structure is a multi-layer structure, and preferably, the number of layers of the flip cover structure is 2. One end of the flip cover oil cylinder 7037 is connected with the snow throwing cylinder 7035, and the other end is connected with the outermost flip cover 7039. The outermost flip cover 7039 and the inner flip cover are connected through the flip cover spring 7038, and when the outermost flip cover 7039 is pushed out by the flip cover oil cylinder 7037, the inner flip cover is flipped outwards by the flip cover spring 7038.

[0133] The snow throwing device 703 adopts a folding snow throwing cylinder design, and the folding of the snow throwing device 703 is realized by the deflection of the roller 7031 and the dumping of the snow throwing cylinder 7035 in the opposite direction, which improves the stability during the transfer process, avoids the obstruction of the driver's cabin view and the high center of gravity of the vehicle; the dumping folding design of the snow throwing cylinder 7035 can also adjust the direction and angle of snow throwing, and the snow throwing machine can adjust the direction of snow throwing according to the wind direction, terrain and other factors by cooperating with the rotation of the snow throwing cylinder 7035 on the horizontal direction of the rotary seat.

[0134] The rigid chassis 1 adopts a double-rectangular main beam structure, an engine mounting seat is arranged above the main beam, a working device mounting hinge seat is arranged in front, and a leaf spring hinge seat is arranged below for mounting an axle; each support is designed in a modular manner, and the maintainability of each component is fully considered; the chassis is designed to enable the vehicle to travel at high speed, as shown in Figure 9 .

[0135] The walking system 4 is installed below the rigid chassis, and various connection modes including but not limited to rigid connection and leaf spring connection can be used according to the actual use road conditions; the walking system 4 is configured with a four-wheel steering system, and snow tires are used to enhance the snow walking ability; preferably, the front axle load capacity of the walking system 4 is greater than the rear axle load capacity, so as to adapt to the load of the front working device 7, as shown in Figure 9 .

[0136] The engine power system 2 is installed on the rigid chassis 1, and the running of the snow thrower and the operation of the working device are driven by the engine driving pump set; the hydraulic system controls the walking, braking, steering and working of the vehicle by connecting the pump set on the engine. The whole machine transmission system is shown in the figure, the engine transmits power to the working pump and the walking pump respectively, the working pump drives the working motor, and the working motor drives the auger mechanism and the fan impeller through the transfer case respectively; the walking pump drives the walking motor, and the walking motor drives the vehicle to walk, as shown in Figure 2The displacement of the walking pump and the working pump is controlled by electromagnetic valves to control the walking and working power. When the snow is thick, the engine runs at a larger power, the displacement of the working pump is adjusted to be larger by the electromagnetic valve, and the working device 7 runs at a larger power. At the same time, the vehicle is required to run slowly, so the displacement of the walking pump is adjusted to be smaller by the electromagnetic valve, so that the vehicle runs slowly. Further, when there is little snow or no snow removal is needed, the displacement of the working pump is adjusted to be smaller or even to 0 by the electromagnetic valve, and the displacement of the walking pump is adjusted to be larger, so that the vehicle runs quickly or full-speed. The working motor can be reversely driven, so as to drive the working device auger mechanism to reverse, and the auger can be reversed to exit the stuck state when it is stuck. Preferably, the engine power system adopts a high-power diesel engine, which can meet the snow removal operation requirements of the high-speed running of the snow thrower and the large snow throwing capacity of the working device. The electrical system is provided with an electric control cabinet on one side of the vehicle frame, so as to facilitate the wiring of the electromagnetic valve. A distribution box is provided in the cab, so as to facilitate the wiring of the operation panel. The walking and working of the snow thrower are controlled by the steering machine and the control panel in the cab.

[0137] The closed cab 5 is installed above the front of the rigid chassis 1, and is provided with a snow thrower control system and a good view, as shown in Figure 9

[0138] The intelligent system 6 can realize accurate positioning of the snow removal operation track through the GNSS and RTK positioning systems, and realize automatic snow removal and remote control snow removal according to the predetermined route by combining advanced control algorithms. Specifically, the intelligent system 6 completes high-precision positioning of the snow thrower equipment through the GNSS and RTK systems, determines the state of the working device 7 through the sensor installed on the working device 7, cooperates with the machine vision and distance sensor to ensure the driving safety of the snow thrower, and is provided with an inertial measurement unit (IMU) on the equipment, which can improve the positioning accuracy of the equipment. In the area with weak or no GPS signal, the real-time positioning of the vehicle is provided. After the data of GNSS, RTK technology and IMU technology are fused, the positioning accuracy can be greatly improved. Cooperating with the 5G network technology, the operator can remotely control the equipment, as shown in Figure 10

[0139] The snow throwing operation steps of the snow thrower in the embodiment are as follows:

[0140] The snow thrower is quickly driven to the site where snow throwing and snow removal operation is needed by using the high-speed gear. During the high-speed driving process, the working device is in the lifting state, and the snow throwing cylinder is in the laid-down state.

[0141] After arriving at the site, the working device is laid down, the snow shoe is supported on the ground, the snow shoveling device keeps a small distance from the ground, so as to avoid damaging the road signs. The positions of the roller and the snow throwing cylinder are adjusted to be in the working state, the height and angle of the snow throwing cylinder are adjusted, and it is ensured that the snow throwing cylinder faces the safe area outside the road.​​

[0142] After the device is ready, start the working device auger and fan wheel rotation, and make the vehicle slowly drive to the snow pile;

[0143] After the auger contacts the snow, it starts to cut the snow, and the cut snow is gathered in the middle of the snow removal device and thrown in the direction of the snow throwing cylinder under the action of the fan wheel, and thrown far away;

[0144] The snow thrower continues to advance, constantly throwing the road snow outside the road. During the advancing process, the driver adjusts the height of the working device and the driving speed of the vehicle according to the thickness of the snow. When encountering slightly higher obstacles such as speed bumps, the working device needs to be raised to facilitate the crossing of the obstacles;

[0145] After the snow removal is completed, the snow throwing device is changed to a laid-down state, the working device is raised, and the vehicle is ready to move to the next snow removal site;

[0146] The above snow removal work process can realize automatic snow removal operation and remote control snow removal operation through a positioning system based on GNSS and RTK and a precise control algorithm;

[0147] The rotary cutting snow thrower in the embodiment adopts an integrated design of the working device and the running vehicle, and is composed of the working device 7, a rigid chassis 1, a running system 4, an engine power system 2, a closed cab 5, a hydraulic system, an electrical system 3, and an intelligent system 6. The working device 7 includes a positioning device 701, a snow collecting device 702, and a snow throwing device 703. The positioning device 701 mainly includes a swing frame 7013, an upper connecting rod 7014, a pitch cylinder assembly 7016, a working motor 7012, a working device driving box 7011, a lower connecting rod 7015, a snow shoveling device 7018, and a snow shoe assembly 7017. The snow collecting device 702 is installed in front of the positioning device 701 and mainly includes an auger mechanism 7021, a chain wheel box 7023, a side installation plate 7025, an input shaft 7024, and the like. The snow throwing device 702 is located in the middle of the positioning device 701 and mainly includes a fan impeller 7032, a roller 7031, a support frame 7033, a rotary mechanism 7034, an extension cylinder 7036, a snow throwing cylinder 7035, a flap cylinder 7037, a flap 7039, and the like. The rigid chassis 1 adopts a double-rectangular main beam structure, an engine mounting seat is arranged above the main beam, a working device mounting hinge seat is arranged in front, and a leaf spring hinge seat is arranged below for mounting an axle. Each support is designed in a modular manner, and the maintainability of each component is fully considered. The chassis is designed to enable the vehicle to run at a high speed. The running system 4 is installed below the rigid chassis, and various connection modes including but not limited to rigid connection and leaf spring connection can be used according to the actual use road conditions. The engine power system 2 is installed on the rigid chassis 1, and the running and working devices of the snow thrower are driven by the engine driving pump set. The closed cab 5 is installed above the front of the rigid chassis 1, and a snow thrower control system is arranged therein to provide a good field of view. The hydraulic system controls the running, braking, steering, and working of the vehicle through the pump set connected to the engine. The electrical system 3 is provided with an electrical control cabinet on one side of the frame 101 for facilitating the wiring of electromagnetic valves, and a distribution box is arranged in the cab for facilitating the wiring of the operation panel. The running and working of the snow thrower are controlled through the cab direction machine and the control panel. The intelligent system 6 can realize accurate positioning of the snow removal operation track through the GNSS and RTK positioning systems, and realize automatic snow removal and remote control snow removal according to the predetermined route by combining advanced control algorithms.

[0148] The rotary cutting snow thrower provided in the embodiment has the following characteristics:

[0149] (1) The snow thrower working device 7 is mainly powered by a hydraulic motor and a working device drive box 7011 to drive the snow throwing device 703 and the snow collecting device 702, and can match the driving speed to drive the snow throwing device 703 and the snow collecting device 702 to operate, which outputs power through a transfer case to drive the snow throwing device fan impeller 7032 and the snow collecting device auger to rotate, and the output speed ratio of the transfer case needs to meet the equal conveying flow of the auger and the fan impeller.

[0150] (2) The middle part of the swing frame 7013 of the positioning device 701 under the working device 7 is connected with the snow throwing device 703 through the working device drive box 7011, the front part is connected with the snow collecting device 702, and the rear part is connected with the vehicle frame 101 through a parallelogram linkage composed of four upper and lower equal and parallel connecting rods, and the swing frame 7013 and the vehicle frame 101 are also connected through two mutually parallel pitch cylinders, when the two pitch cylinders operate synchronously, the positioning device 701 drives the snow throwing device 703 and the snow collecting device 702 to move up and down as a whole under the constraint of the parallelogram linkage; when the two pitch cylinders operate asynchronously, the left and right yaw of the device as a whole can be realized to adapt to various road conditions. The connection between the upper and lower connecting rods and the pitch cylinders and the vehicle frame and the swing frame adopts a spherical hinge form, and a joint bearing is preferably used. The positioning device 701 is supported on the ground by two pairs of symmetrically arranged snow shoe supports on the lower sides, and supports the working device 7 to slide on the road during operation. The height of the snow shoe structure is adjustable, and the ground clearance of the snow removing device can be adjusted as needed, and the height can be adjusted after the wear plate of the snow shoe is worn to ensure the original ground clearance of the snow removing device 7018; the snow removing device 7018 is located below the front of the positioning device 701, and maintains a certain distance from the ground under the support of the snow shoe, which determines the thickness of the residual snow on the road after snow throwing operation, and the distance can be changed by adjusting the vertical position of the snow shoe according to the actual snow removing demand. The working lamp 7019 and the camera 710 are arranged on the front of the two sides of the positioning device 701, which can provide the driver with a more sufficient field of view, and the horizontal plane and vertical plane directions of the working lamp 7019 and the camera 710 are adjustable.

[0151] (3) The snow collecting device 702 under the working device 7 is installed on the positioning device 701 through the side mounting plate 7025 and the sprocket box 7023, and the auger mechanism 7021 is located between the side mounting plate 7025 and the sprocket box 7023 and coaxial with the bucket round surface of the positioning device 701. In order to obtain greater snow breaking and collecting capacity, the auger mechanism is designed with large diameter. Specifically, in order to meet the support requirements of the large-diameter auger device, the auger device needs to adopt a multi-point support mode, and preferably, the auger device is fixed on the bearings of the sprocket box 7023 and the side mounting plate 7025 on both sides. Further, in order to meet the greater snow breaking and collecting capacity, considering the small friction of the accumulated snow, a large pitch multi-spiral design is adopted to increase the conveying capacity. The rear end of the sprocket box 7023 is connected to the working device drive box 7011 through the input shaft 7024, and the power of the working device drive box 7011 is transmitted to the sprocket box 7023. The front end of the sprocket box 7023 is connected to the auger mechanism 7021 to drive the auger to rotate. The auger mechanism is a spiral conveyor that conveys snow from both sides to the middle. The two spiral augers are arranged in opposite directions, conveying snow from both sides to the middle during operation. The outer side is a toothed structure, including but not limited to a belt-shaped tooth. The auger is provided with a cutting tooth above, and the structure of the cutting tooth includes but is not limited to a circular cutting tooth. The two ends are tail rings, which can cut snow. The belt-shaped tooth, cutting tooth and tail ring on the outer side of the auger mechanism 7021 all enhance the snow breaking capacity of the auger. The auger mechanism 7021 and the output shaft 7024 of the sprocket box 7023 are connected by a safety pin 7022, which will be cut off when the auger is stuck by an obstacle to protect the power transmission system.

[0152] (4) The fan impeller 7032 of the snow throwing device 703 is located in the drum 7021 and is connected to the output end of the working device driving box 7011 of the positioning device 701. The fan impeller 7032 rotates under the driving of the output shaft of the working device driving box 7011. In order to meet the requirement of greater snow removal capacity, a larger fan diameter and blade width are adopted. In order to ensure the strength of the fan blade, the ratio of the fan radius to the blade width is set within a certain range, and a high-power engine is configured to meet the requirement of high speed. One side of the drum 7031 is connected to the working device driving box 7011 on the positioning device 701, and the other side is connected to the structure in front of the positioning device 701 and connected to the shovel. The drum 7031 is connected to one side of the positioning device 701 through a drum oil cylinder and can rotate around the center of the output shaft of the working device driving box 7011 under the driving of the drum oil cylinder. The support frame 7033 is installed above the positioning device 701 and above the drum 7031 and is used to support the rotating mechanism 7034. The rotating mechanism 7034 is installed on the support frame 7033 through a hinged connection and is connected to one side of the positioning device 701 through the oil cylinder of the rotating mechanism. The rotating mechanism 7034 is supported by the support frame 7033 and the oil cylinder of the rotating mechanism. Specifically, the rotating mechanism 7034 is in the form of a gear-driven pin shaft array. The rotating mechanism 7034 can be in other forms, such as gears, gear racks, sprockets, chains, etc. The snow throwing drum 7035 is installed on the rotating mechanism 7035 and can rotate on the rotating mechanism 7034 and dump together with the rotating mechanism 7034 under the driving of the oil cylinder of the rotating mechanism. The snow throwing drum 7035 is in the form of a telescopic sleeve and can be driven by the telescopic oil cylinder 7036 to extend and retract along the arc. A flip cover structure is installed above the snow throwing drum 7035 and can be flipped under the driving of the flip cover oil cylinder 7037 to adjust the snow throwing path of the snow throwing drum 7035. The flip cover structure is in a multi-layer structure. Preferably, the flip cover structure has two layers. One end of the flip cover oil cylinder 7037 is connected to the snow throwing drum 7035, and the other end is connected to the outermost flip cover. The outermost flip cover and the inner flip cover are connected through a flip cover spring 7038. When the outermost flip cover is pushed out by the flip cover oil cylinder 7037, the outermost flip cover pulls the inner flip cover 7039 outwards through the flip cover spring 7038.

[0153] (5) The chassis system includes a rigid chassis 1 and a running system 4. The running system 4 is installed below the rigid chassis 1 and can be connected in various ways, including but not limited to rigid connection and leaf spring connection, according to the actual road conditions. The running system 4 is configured with a four-wheel steering system and uses snow tires to enhance the snow walking ability. Preferably, the front axle of the running system 4 has a greater load capacity than the rear axle to accommodate the load of the large working device 7 in front and enable the working device 7 to meet the requirement of greater snow removal capacity.

[0154] (6) The snow thrower transmission system adopts the form of engine connecting pump set, the engine transmits power to the working pump and the walking pump respectively, the working pump drives the working motor 7012, the working motor 7012 drives the auger mechanism 7021 and the fan impeller 7032 through the transfer case (working device drive case 7011) respectively; the walking pump drives the walking motor, and the walking motor drives the vehicle to walk. The snow thrower transmission system can control the power of the walking system and the working system respectively, specifically, the displacement of the walking pump and the working pump is controlled by the electromagnetic valve to realize the control of the walking and working power. The working device drive case is driven by the hydraulic motor, the working motor can be reversed to realize the reverse of the working device auger mechanism, and the auger can be reversed to exit the stuck state when it is stuck.

[0155] (7) The snow thrower has multiple modes for snow removal operation, which can be adjusted according to the snow conditions; at the same time, the high-speed gear can be used for fast scene switching and non-thick snow fast snow removal operation, which improves the efficiency of snow removal operation for rescue and disaster relief; the auger speed and the snow throwing impeller fan linear speed present a certain proportion between different gears, which can be adjusted according to the snow conditions.

[0156] (8) The snow throwing device 703 includes a drum 7031 and a snow throwing cylinder 7035, which are designed in a split type and are installed on the positioning device respectively; in the working state, the outlet of the drum 7031 is aligned with the inlet of the snow throwing cylinder 7035; the folding type snow throwing cylinder design realizes the folding of the snow throwing device 703 through the deflection of the drum 7031 and the dumping of the snow throwing cylinder 7035, which improves the stability during transportation, avoids blocking the view of the cab and the high center of gravity of the vehicle; the dumping and folding design of the snow throwing cylinder 7031 can also adjust the direction and angle of snow throwing, cooperate with the rotation of the rotary seat and the opening and closing of the snow throwing flap mechanism, and adjust according to the operation environment factors such as the snow removal site, the wind direction and the terrain, to ensure that the snow is thrown to the designated position. The working device can be adjusted up and down and left and right; the up and down adjustment of the working device 7 can adapt to different snow height, and the working device 7 can also be lifted to cross the road signs, speed bumps and other obstacles. The snow shoe height of the positioning device 701 is adjustable, which can adjust the ground clearance of the snow shovel device 7018 as needed, avoid damaging the road signs during snow removal, and also avoid wearing the snow shovel device 7018.

[0157] (9) The snow thrower intelligent configuration support device can perform automatic snow removal operation and remote control operation, has high work efficiency, and reduces the workload of workers. Specifically, the intelligent system 6 completes high-precision positioning of the snow thrower device through cooperation of a GNSS and an RTK system with an inertial navigation unit (IMU), determines the state of the vehicle and the working device 7 through sensors installed on the vehicle body and the working device 7, and cooperates with machine vision and a distance sensor to ensure the driving safety of the snow thrower.

[0158] In the embodiment, the chassis of the snow thrower can be replaced by other structural forms including but not limited to articulated wheel type and track type; the power system of the snow thrower can be replaced by a pure electric drive form, and part of the hydraulic transmission can be replaced by a pneumatic transmission form; the transmission scheme can adopt other transmission modes including but not limited to hydraulic transmission, for example, mechanical gear transmission, and part of the components can adopt pneumatic transmission. The working device auger mechanism is not limited to a single auger mechanism, and can be in a mode of combination of multiple augers.

[0159] The technical principles of the present application are described above in combination with specific embodiments, and these descriptions are only for explaining the principles of the present application and cannot be explained as limitations on the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will fall within the protection scope of the present application.

Claims

1. A rotary snow-throwing machine, characterized in that, Includes: working device, rigid chassis, running system, engine power system, enclosed cab, hydraulic system, electrical system and intelligent system; The walking system is located at the bottom of the rigid chassis; The working device, the engine power system, the enclosed cab, the hydraulic system, the electrical system, and the intelligent system are all mounted on the rigid chassis; The engine power system is connected to the walking system and the working device respectively via the hydraulic system; The electrical system is connected to the hydraulic system and the engine power system for control purposes, respectively. The intelligent system is installed in the enclosed driver's cab and is connected to the electrical system for control. The intelligent system can control the operation of the working device and the walking system respectively by means of the electrical system; The working device includes: a positioning device, a snow collection device, and a snow throwing device; The rear of the positioning device is connected to the frame of the rigid chassis; the snow collection device is located at the front of the positioning device and is driven to connect with the positioning device. The snow-throwing device is located in the middle of the positioning device and is driven to be connected to the positioning device; the positioning device is also driven to be connected to the hydraulic system. The positioning device includes: a swing frame, an upper connecting rod, a pitch cylinder assembly, a working motor, a working device drive box, a lower connecting rod, a snow-shoveling device, and a snow boot assembly; The drive box of the working device is located in the middle of the swing frame; The snow-throwing device is driven by the drive box of the working device. The front part of the swing frame is connected to the snow collection device; The rear of the swing frame is connected to the upper link and the lower link, and is connected to the frame of the rigid chassis by means of the upper link and the lower link; The upper link and the lower link form a parallelogram mechanism; The pitch cylinder assembly includes two pitch cylinders with identical structures; The swing frame is also connected to the vehicle frame by two parallel pitch cylinders. When the two pitch cylinders run synchronously, the positioning device can drive the snow throwing device and the snow collecting device to move up and down under the constraint of the parallelogram linkage mechanism. When the two pitch cylinders operate asynchronously, the entire working device can be tilted left and right.

2. The rotary snow blower according to claim 1, characterized in that, The working motor is mounted on the swing frame and is driven by the working device drive box. The hydraulic system is driven and connected to the working motor; The snow boot assembly includes two snow boots with identical structures; The two snow boots are located at the bottom of the swing frame to support the working device; The two snow boots have an adjustable height structure; the snow shovel is located in front of and below the swing frame, and maintains a certain distance from the ground with the support of the snow boots; The positioning device is equipped with a high-brightness work light in front and cameras on both sides in front, which can capture images in front and transmit them to the display screen in the enclosed driver's cab. The horizontal and vertical directions of the work light and camera are adjustable.

3. The rotary snow blower according to claim 2, characterized in that, The snow collection device is located at the front of the positioning device; The snow collection device includes: an auger mechanism, a sprocket box, a side mounting plate, and an input shaft; The sprocket box and the side mounting plate are respectively disposed on both sides of the auger mechanism; The two ends of the auger mechanism are respectively fixed on the bearings of the sprocket box and the side mounting plate; The auger mechanism is coaxial with the bucket surface of the positioning device; The side mounting plate is connected to the swing frame; The sprocket box is connected to the input shaft and can be driven to the working device drive box via the input shaft; the sprocket box can drive the auger mechanism to work.

4. The rotary snow blower according to claim 3, characterized in that, The snow-throwing device is positioned in the middle of the positioning device; The snow-throwing device includes: a fan impeller, a roller, a roller cylinder, a support frame, a rotary mechanism, a telescopic cylinder, a snow-throwing tube, a flip-top cylinder, and a flip-top; One side of the roller is attached to the working device drive box of the positioning device, and the other side is attached to the front of the positioning device. At the same time, it is connected to one side of the positioning device through the roller cylinder. Under the drive of the roller cylinder, the roller can rotate around the output shaft of the working device drive box. The roller outlet is aligned with the snow-throwing tube inlet; The fan impeller is located inside the drum and is connected to the output end of the drive box of the working device, and rotates under the drive of the shaft at the output end of the drive box of the working device. The support frame is installed above the positioning device and above the roller, and is used to support the rotary mechanism; The rotary mechanism is mounted on the support frame by a hinge, and is connected to one side of the positioning device through the hydraulic cylinder of the rotary mechanism.

5. The rotary snow blower according to claim 4, characterized in that, The snow-throwing tube is mounted on the rotary mechanism and can rotate on the rotary mechanism. At the same time, it tilts together with the rotary mechanism under the drive of the hydraulic cylinder of the rotary mechanism. The snow-throwing tube is a telescopic sleeve structure, which can be extended and retracted along its arc by the telescopic cylinder. A flip cover is installed on top of the snow thrower, which can be flipped under the drive of the flip cover cylinder to adjust the snow throwing path of the snow thrower; One end of the flip-top cylinder is connected to the snow-throwing tube, and the other end is connected to the flip-top.

6. The rotary snow blower according to claim 1, characterized in that, The rigid chassis has a double rectangular main beam structure; The main beam structure is provided with an engine mounting base on top, a working device mounting hinge base in front, and a leaf spring hinge base below for mounting the walking system. The rigid chassis includes a frame for connecting the working device.

7. The rotary snow blower according to claim 6, characterized in that, The walking system includes: an axle and a four-wheel steering assembly; The axle is connected to the leaf spring hinge seat; The four-wheel steering assembly is mounted on the axle; The four-wheel steering assembly also includes: a travel motor and a travel wheel unit; The walking motor is driven by the walking wheel unit; The hydraulic system is connected to the walking motor drive; The hydraulic system includes at least: a working pump and a traveling pump; The working pump is driven by the working motor. The walking pump is driven by the walking motor. The working pump is driven by the working motor and the working device. The walking pump is driven by the walking motor and the walking system.

8. The rotary snow blower according to claim 7, characterized in that, The engine power system includes at least an engine; The electrical system is connected to the engine control system; The engine is also driven by the working pump and the traveling pump respectively; The intelligent system includes: an automatic control component and a remote communication component; The automatic control component can communicate with the remote control system via the remote communication component; The remote control system can control the automatic control components to control the snow blower to automatically remove snow.

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