531 results about "Tipper truck" patented technology

A finish machined rear pivot support a dump body of a haul truck can comprise a pair of rear pivots spaced apart from each other in a first direction, and a cross-member extending in the first direction between the rear pivots. The rear pivots can be respectively welded in-line with longitudinal support body members on a bottom of the dump body. The cross-member can extend from inward-facing sides of the rear pivots. Each of the rear pivots can include two cut-outs spaced apart from each other in a second direction perpendicular to the first direction. The cut-outs can be provided over corresponding one of transverse support body members on the bottom of the dump body.

Provided is a navigation system for autonomous dump trucks capable of preventing a dump truck from autonomously traveling on a carrying passage differing from the actual carrying passage even when the carrying passages for the dump truck have been altered. The navigation system is based on map data created by digitizing a map of roads on which the dump truck can travel. A control unit executes switching control between an autonomous mode to be selected when the autonomous traveling of the dump truck should be performed and a maneuver mode to be selected when the dump truck should travel according to an operator, based on version information of the map data used by the dump truck for the autonomous traveling and version information of master map data created by digitizing a map of the latest roads on which the dump truck can travel, managed by a control center.

A wheel mounting cylinder (18) is rotatably provided on an outer peripheral side of an axle housing (12) through wheel support bearings (20, 21). A wet brake (45) is provided between the axle housing (12) and the wheel mounting cylinder (18) for applying a braking force to rotation of the wheel mounting cylinder (18). A seal mechanism (55) is provided between the wet brake (45) and the wheel support bearing (20) for keeping a cooling liquid (50) of the wet brake (45) in a sealed state to lubricant oil (100) in the wheel mounting cylinder (18). A foreign-object trapping portion (58, 62) is provided between the wheel support bearing (20) and the seal mechanism (55) for trapping foreign objects flowing from the seal mechanism (55) toward the wheel support bearing (20).

The invention provides a six-wheel drive dumper assembling method comprising the steps of laying pipes and wires on a walking bench module in advance; laying wires for a rear axle in advance; laying pipes for the rear axle in advance; after the pre-laid pipes and wires for the rear axle are totally assembled off a vehicle, integrally hoisting and installing the part to a frame by using an overhead crane; hoisting and installing the walking bench module to the frame and electrically connecting the pre-laid wires of the walking bench module and the pre-laid wires of the rear axle. The method takes into account overall vehicle apparatus arrangement and the connectors of various system apparatuses and gives consideration to the factors such as optimal pipelines and circuits and convenient maintenance, and the design of the electrical circuits and pipelines of an overall vehicle is carried out in a modularized mode; in the modularized mode, the overall vehicle pipe and wire laying is divided into three major parts, which are the pre-laying of the pipes and wires of the rear axle, the pre-laying of the pipes and wires of the walking bench, and laying of pipes and wires on a vehicle; the pre-laying of the pipes and wires is carried out off the vehicle and the modules are hoisted and installed on the frame after completion, so that the assembling periods are reduced and troubleshooting is facilitated.

Wheels of a dump truck are each provided with a travel assembly for transmitting an output of an electric motor to the wheel via a reduction gear unit. The travel assembly is provided with a cooling circuit for cooling lube oil. The cooling circuit has an oil cooler and a recovery oil passage for guiding lube oil from a side of the gear unit to the cooler. The recovery oil passage has an intra-spindle recovery line inserted on a side of an inner periphery of a spindle, a suction pipe extending from the recovery line to a space surrounded by the spindle, the wheel and two spindle-supporting bearings, and communication holes formed in the wheel to communicate the side of the reduction gear unit with the space.

The invention discloses a hydraulic auxiliary braking system for a mining dump vehicle and a control method thereof. The hydraulic auxiliary braking system for the mining dump vehicle comprises a braking oil supply system; the braking oil supply system is connected with a pressure switch and connected with an auxiliary braking oil supply system, a parking brake system and a service braking system via one-way valves I; the auxiliary braking oil supply system is supplied with pressure oil liquid by a bidirectional constant displacement pump; the parking brake system comprises an independent energy accumulator; and the service braking system is provided with double independent brake oil paths. The hydraulic auxiliary braking system for the mining dump vehicle has the advantages that the effect is obvious; the system is convenient and easy to use; by using the auxiliary braking oil supply system, the parking brake system and the service braking system, space limitation and non-continuation caused by using the energy accumulator as a power source are avoided; meanwhile, limitation of completely depending on an external power source is also avoided; the continuation and reliability of auxiliary braking are improved; and the application range of the auxiliary braking system is expanded.

The invention discloses a non-highway mining dump vehicle loading monitoring and recording system which comprises a vehicle loading monitoring controller, a loading monitoring data module, a vehicle driving state module and a loading monitoring and displaying module. The output ends of the loading monitoring data module and the vehicle driving state module are connected with the signal input end of the vehicle loading monitoring controller; the output end of the vehicle loading monitoring controller is connected with the signal input end of the loading monitoring and displaying module; the vehicle loading monitoring controller detects and confirms the vehicle transporting state according to current driving state information and loading information which are collected by the vehicle driving state module; the loading monitoring data module is used for obtaining the vehicle loading information; and the vehicle driving state module is used for detecting the current driving state information of a vehicle. The invention further discloses a non-highway mining dump vehicle loading monitoring and recording method. The actual situation of transporting of a driver can be effectively monitored.

The invention relates to an inclined dumper door of a freight carriage, belonging to vehicle transport tool components. The invention adopts the following technical scheme: the inclined dumper door of the freight carriage comprises a carriage and is characterized in that a conveyor type car bottom plate is arranged at the rear part of the carriage; the conveyor type car bottom plate is connected with the carriage through a hinge; the conveyor type car bottom plate can rotate around the hinge; an arc-shaped guard plate is arranged at the upper part of the conveyor type car bottom plate; the rear part of the carriage is provided with a guard plate embedding groove; the conveyor type car bottom plate rotates around the hinge for inclining, and then the arc-shaped guard plate is embedded into the guard plate embedding groove; a telescopic rod is arranged at the bottom of the conveyor type car bottom plate; the fixed end of the telescopic rod is articulated with the bottom of the carriage; a guide rod of the telescopic rod is articulated with the bottom of the conveyor type car bottom plate; and the guide rod of the telescopic rod extends forward or retracts backward to drive the conveyor type car bottom plate to rotate around the hinge.

A differential features larger amplitude in gear ratio fluctuation and higher torque bias ratio. When one of the driving wheel slips, the period of the gear ratio fluctuation between the pinion and side gears involves at least two pitches, thus each period of the gear ratio fluctuation involves a group of teeth, and the number of teeth involved in each group are corresponding to the number of pitches involved in each period. Each pinion has an odd number of groups of teeth, and the group number in side gears is a multiple of the number of pinions. The differential is particularly suitable for off-road vehicles, tippers and wheeled civil engineering machinery.

The invention relates to a large vehicle fuel tank with a fuel-shaking alleviating function. The large vehicle fuel tank aims to reduce impact generated by fuel shaking to a fuel tank fixing structureand a vehicle body and reduce heat generated by fuel shaking in the operation process of a large vehicle. An inner cavity of the fuel tank is divided by horizontal partition plates into a plurality of vertically-distributed secondary oil cavities, and two through holes are formed in each horizontal partition plate, wherein one of the two through holes is used for arranging an oil inlet pipe, andthe other one of the two through holes is used for communicating the two corresponding adjacent secondary oil cavities. In the working process, saturated secondary oil cavities and non-oil secondary oil cavities cannot generate fuel impact, and therefore impact of fuel to the fuel tank is only limited to secondary oil cavities where the liquid levels are located. Longitudinal partition plates thendivide each secondary oil cavity into a plurality of horizontally-distributed third-level oil cavities communicating through seams, light floating plates are arranged in all third-level oil cavitiesexcept the bottommost oil cavities, and therefore impact of fuel in the fuel tank to the tank and the vehicle body is effectively lowered. Since the bottom secondary oil cavities are relatively small,oil supply is more sufficient and smoother to a dumper in a less-oil climbing state.

The invention relates to a movable ship loader for automobile dumping. The movable ship loader comprises a ship loader receiving section, a ship loader discharging section, a large vehicle and a dustremoving device, wherein the ship loader receiving section and the ship loader discharging section are connected with a cart; and the dust removing device is arranged above the ship loader material receiving section so as to control the overflow when unloading operation of a dumper. The movable ship loader is small in investment, big in flexibility, and wide in applicable operation scope, and doesnot need multiple configurations, and can carry out displacement operation at any time.

The invention discloses an environment-friendly top cover system for a folding tarpaulin of a dump truck. The environment-friendly top cover system comprises two guide rails and a tarpaulin support which is controlled by a motor driving device, wherein the tarpaulin support is connected between the two guide rails; the tarpaulin support is positioned above the two guide rails; an outer tarpaulin is connected to the outer surface of the tarpaulin support; the two guide rails are installed in the upper frames of two side plates of a compartment; the outer sides of the two guide rails are connected with a plurality of sliding mechanisms; oblique plates which are inclined towards the position below the inner side are connected to the right and left sides of the interior of the tarpaulin support; the oblique plates extend in the front-back direction of the compartment; inner tarpaulins are connected to the oblique plates. The environment-friendly top cover system for the folding tarpaulin of the dump truck is durable, and the impact of materials on the guide rails in loading can be avoided.

The invention discloses a path planning method, a vehicle and a computer readable medium. The path planning method is applied to automatic driving of the vehicle. The path planning method comprises the following steps: obtaining a preprocessing result corresponding to preset request data; obtaining coarse search data of preset planning data according to the preprocessing result; and performing path optimization on the coarse search data to realize path planning. According to the method, a steering switching penalty term and a steering penalty term which are added in a traditional hybrid A* algorithm are improved, and an RS curve heuristic algorithm is adopted, so that extremely high solving capacity is achieved, and the calculation efficiency is improved; meanwhile, it is guaranteed that the planning result can meet the kinematics constraint of the vehicle in the optimization process of the rough search result, the difference of vehicle response characteristics in different full-load and no-load states and the response characteristics of an executing mechanism of a mining dump vehicle are fully considered, and the method is more suitable for a real application scene; and the requirement on the working environment is low, and the adaptability is higher.

The invention relates to a variable-speed driving system with multiple driving motors. The variable-speed driving system is characterized by comprising a first driving motor (1), a second driving motor (2), a third driving motor (3), a first input shaft (4), a second input shaft (5), a power output shaft (6) and a power take-off shaft (13). The variable-speed driving system aims at heavy trucks such as dump trucks, towing vehicles, mine trucks and the like with severe and complex operation conditions, and through cooperative work of the multiple motors, the problem of power interruption in the gear shifting process is thoroughly solved, and the reliability of gear shifting under the severe working condition is guaranteed; through a multi-motor working scheme, when the power needs to be increased in the later period, the multiple motors can be increased at the same time, and the technical difficulty and the cost increasing amplitude are reduced; and the double motors are coupled on an intermediate shaft after input, intermediate shaft gears are reused at the same time, and multiple gears are achieved through fewer gears.

A traveling device (11) is provided with an electric motor (16) provided in a vehicle body (2) of a dump truck (1), an output shaft (17) an axial base end of which is connected to the electric motor (16) and which outputs rotation of the electric motor (16), a bottomed hole spline (53) formed in an axial front end of the output shaft (17), and an input shaft (42) which has a shaft spline (54) spline-coupled to the hole spline (53), and inputs the rotation of the output shaft (17) to a reduction gear mechanism (27). The output shaft (17) is provided with an oil reservoir space (55) formed in the innermost part of the hole spline (53), an annular oil groove (56) and an oil path (57) providing communication between the oil reservoir space (55) and the annual oil groove (56). Lubricant oil (100) supplied to the annular oil groove (56) is supplied via the oil path (57) to the oil reservoir space (55), and is supplied to a spline joint between the hole spline (53) and the shaft spline (54) with rotation of the output shaft (17).

The invention discloses an earth and rockfill dam intelligent paving monitoring system and a monitoring method thereof. The earth and rockfill dam intelligent paving monitoring system comprises a differential base station, a relay station, a sub-control station, a bulldozer monitoring terminal, a vehicle-mounted navigation system, a dumper unloading positioning device, a Beidou measuring rod, a Beidou director and a server. The bulldozer monitoring terminal obtains real-time spatial positioning information of the bulldozer through positioning differential information, obtained by the differential base station, of the bulldozer and satellite positioning information obtained by the observation positioning satellite and sends the real-time spatial positioning information to the relay station;the Beidou measuring rod sends the warehouse building coordinate data to the sub-control station to obtain warehouse surface initial information; the dump truck unloading positioning device sends dump truck unloading information to the Beidou director; and the server acquires related information sent by the relay station, the sub-control station and the Beidou director, sends real-time warehousesurface information to the bulldozer monitoring terminal, and sends paving process information and bulldozer real-time spatial positioning information to the vehicle-mounted navigation system. Standardization and intellectualization of the paving operation process can be achieved.

The invention discloses a dump truck lifting system. The dump truck lifting system comprises an oil tank, an oil pump, a limit valve and a lifting oil cylinder. The oil tank is communicated with the lifting oil cylinder, and both ends of the limit valve are communicated with the outlets of the oil tank and the oil pump respectively. The dump truck lifting system achieves control of up and down of a dump truck by directly controlling fluid of hydraulic pipes, therefore, the up and down speeds can be directly sensed, reliable operation control and rapid system response can be achieved, system troubleshooting can be facilitated and low comprehensive cost can be obtained.

The invention discloses a mining dump truck hopper. The mining dump truck hopper comprises a hopper body and a base, wherein an angle adjusting device is arranged at the lower end of a hopper bottom plate, and is positioned at the side, far away from a moving plate, of the hopper body; a water spraying device used for cleaning a hopper cavity and a first driving assembly used for driving the waterspraying device to forwards and backwards move are arranged at the upper end of the hopper body; cleaning support frames and second driving assemblies used for driving the cleaning support frames toupwards and downwards move are also arranged at the two ends of the hopper body; and each cleaning support frame is in a square shape. The mining dump truck hopper is provided by the water spraying device and a material scraping plate which are used for cleaning residual difficult-to-treat goods; manual cleaning is not needed; and the mining dump truck hopper is also provided with a protection cover connecting element to realize protection cover addition to the side wall of the hopper, so that a phenomenon of side leakage of goods during sharp turning is prevented.

The invention discloses a high-stress plate spring for a mining dump truck, and belongs to the field of manufacturing of automobile springs. The high-stress plate spring is characterized in that the high-stress plate spring comprises a plate spring body, a left hoop arm and a right hoop arm are arranged on the left side and right side of a first upper plate spring piece, a second upper plate spring piece and a plurality of lower plate spring pieces correspondingly, a plurality of left plate spring piece inserting holes are formed in the upper portion of the left hoop arm, a plurality of rightplate spring piece inserting holes are formed in the upper portion of the right hoop arm, the left ends of the first upper plate spring piece, the second upper plate spring piece and each lower platespring piece are inserted into the left plate spring piece inserting holes of the left hoop arm correspondingly, and the right ends of the first upper plate spring piece, the second upper plate springpiece and each lower plate spring piece are inserted into the right plate spring piece inserting holes of the right hoop arm correspondingly, and the lower ends of the left hoop arm and the right hoop arm are connected with stress adjusting devices. According to the high-stress plate spring for the mining dump truck, the high stress of the plate spring can be maintained, fixation is firm, and torsional dislocation among the plate spring pieces is not easy to occur; in addition, the stress of the plate spring can be flexibly adjusted, and the application range is wider.

The invention discloses a rivet welding device for vehicle frame accessories of a mining dump truck and a use method, and belongs to the technical field of vehicle frames of mining dump trucks. The rivet welding device comprises a template, a positioning benchmark, a positioning element and a clamp, wherein, the template is a part-shaped template provided with mounting positions and welding positions for the vehicle frame accessories; the positioning benchmark refers to conventional processing holes or part shapes in each vehicle frame; the positioning element refers to a component that can determine the accurate position of the template based on the positioning benchmark; and the clamp refers to the component that can fix the template to each vehicle frame. The rivet welding device for the vehicle frame accessories integrally marks out the vehicle frame accessories through the marking template at first and then rivets the parts individually, so that the vehicle frame accessories cannot be limited by a tooling of each vehicle frame any more when in rivet welding, and the operation can be performed at all times and places; and on the other hand, the effective utilization rate of the tooling of each vehicle frame is further improved greatly.

The invention discloses a 360-degree self-adaptive loading and unloading unmanned mining dump truck and a control method thereof. The 360-degree self-adaptive loading and unloading unmanned mining dump truck comprises a frame, a power system, a 360-degree self-adaptive rotating platform and a container, wherein the container is arranged on the 360-degree self-adaptive rotating platform; the 360-degree self-adaptive rotating platform is arranged on the frame; the power system is mounted on the frame; a control cabinet is arranged at the front end of the frame. A sensing and positioning system consists of a vehicle positioning device and an environment sensing sensor and is arranged at different positions of the vehicle body. The power system is divided into an electric drive subsystem and an auxiliary subsystem. According to the invention, the vehicle body structure is innovatively designed, the cargo carrying capacity of the cargo box is increased, multi-direction cargo loading is realized, a cab is omitted, three systems of positioning sensing, path planning and motion control are designed, unmanned operation of the mine vehicle is realized, the labor cost is greatly reduced, human accidents are reduced to the minimum, the mine transportation efficiency is improved, and intelligent mine construction is promoted.