49 results about "Tipper lorry" patented technology

Detection signals from lever sensor (29), sit-down sensor (30) and vehicle speed sensor (31) are read into a controller (32). A control signal is produced by the controller (32) to switch a directional control valve (20) of a control valve unit (16) instantly from a floating position (c) to a neutral position (a) and to switch another directional control valve (21) from a neutral position (a) to a lowering position (d) when a dump truck (1) is in travel with the directional control valve (20) of the control valve unit (16) is switched in the floating position (c). Whereupon, a hoist cylinder (10) is contracted by a hydraulic pressure force to hold a vessel (3) in a sit-down position on a vehicle body (2), thereby preventing the vessel (3) from shaking movements like floating up while the dump truck (1) is in travel.

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 dump truck includes: a main frame that extends in a front-back direction of a vehicle body; an engine installed on the main frame; an exhaust aftertreatment device that is supported by the main frame and purifies exhaust gas from the engine; and a communication pipe having a first end connected to the engine and a second end connected to the exhaust aftertreatment device, in which the exhaust gas discharged from the engine flows to the exhaust aftertreatment device. The communication pipe includes: an upstream pipe extending from the engine to a lateral side thereof; a bellows pipe angularly connected to the upstream pipe and extending in an up-down direction; and a downstream pipe angularly connected to the bellows pipe.

A dump truck includes: a main frame; an engine installed in the main frame; and an exhaust aftertreatment device that purifies exhaust gas from the engine. The main frame includes a vertical member in a portal shape which projects in a vehicle height direction of the dump truck and extends in a vehicle width direction of the dump truck. The exhaust aftertreatment device is supported by the vertical member. With this arrangement, maintenance of the engine can be conducted while the exhaust aftertreatment device is kept attached to the vertical member.

A dump truck comprising a plurality of rear wheels (15) rotatably attached to a frame (11) and two GPS receivers (101, 102) arranged so as to be mutually staggered in the vehicle front/rear direction. In a vehicle coordinate system (B) set for the dump truck, any point selected from a section (C) in which the plurality of rear wheels are in contact with the ground is used as a reference point (D). The two GPS receivers are arranged such that a vertical line can be drawn to the reference point (D) from a line segment (PQ) joining two points (P, Q) having the positions thereof calculated by the two GPS receivers. As a result, two position estimation means can be used and posture can always be accurately estimated without stopping the operation of mining equipment.

The invention relates to a tarpaulin structure for a substructure, such as a lorry, trailer, semi-trailer, railway car, dump truck or container, comprising a covering frame and a tarpaulin consistingof weather-resistant material, wherein the covering frame has a plurality of struts (34) which each have on the end sides thereof a carriage (32) that is displaceable along a guide (20), wherein at least one bow (36) is pivotally connected at each pair of opposed carriages (32; 32'), said bow forming with a bow (36) of an adjacent carriage pair (32) a tarpaulin folding aid, the bows (36) of the tarpaulin folding aid being connected to each other. A tarpaulin structure that allows a reliable covering of a substructure while having a low intrinsic weight is achieved according to the invention inthat the connected bows (36) comprise a pivot angle limiter (38) that allows only a limited pivoting of the bows (36).

A tailgate debris catching assembly for a vehicle is presented herein. Particularly, the assembly includes at least one, but in some cases, a plurality of at least two, vehicle attachment assemblies securely attached to the vehicle, for example, on the sides of the vehicle at or near the rear. A debris receptacle or bin including an open top portion and an inner receiving area is connected to or otherwise attached to the vehicle attachment assemblies and positioned in a manner to receive and at least temporarily retain debris fallen from the vehicle and through the open top portion of the debris receptacle. Accordingly, the debris receptacle may include at least one, but in some cases, a plurality of at least two, receptacle attachment members, which are capable of being securely and removably attached to the correspondingly structured and disposed vehicle attachment assemblies.

A dump truck is provided with service brakes provided on front wheels, and a separating block that separates and outputs hydraulic oil into each of the service brakes. The separating block is offset in a vehicle width direction from an exhaust pipe that is arranged substantially in a middle of the dump truck in the vehicle width direction. Hydraulic lines that connect the separating block and each of the service brakes are arranged to pass through the middle of the dump truck in the vehicle width direction, and are installed in a row between the separating block and the middle.

The invention discloses a device and a method for detecting a load of a mining dump truck for a strip mine. The device comprises an oil pressure sensor, a pin axle weighing sensor, a tilt sensor, an ultrasonic wave proximity switch and an industrial personal computer, wherein the oil pressure sensor is arranged on a cylinder jacket of a lifting hydraulic cylinder, the tilt sensor is arranged on the bottom plane of a carriage, the pin axle weighing sensor is arranged at a hinged position between the tail portion of the carriage and a rear axle, the ultrasonic wave proximity switch is arranged below an edge of the tail portion of the carriage. According to the device of the invention, a mode of combining the pin axle weighing sensor with the oil pressure sensor is adopted to directly detectthe load of the carriage, and a horizontal component compensation coefficient and a vertical component compensation coefficient are adopted to weaken an orthogonal effect of pin axle sensor stress detection, so as to obtain the load of the mining dump truck, thus the device has the advantages of novel structure, reliability and practicability, and good economy.

The invention discloses an open-pit mine dump truck identity recognition device and method. The device comprises a corner reflector positioning array, an ultrasonic radar array, a stand column, a corner reflector recognition array and a traffic lane. An ultrasonic radar array is installed at the top end of the stand column along the vertical direction, the corner reflector positioning array and the corner reflector recognition array are arranged at the top end of a carriage and are scanned by the ultrasonic radar array to analyze the positions and the number of the corner reflectors in the twoarrays. and an inherent binary code of a mining dump truck is obtained. By combining the ultrasonic radars with the corner reflectors, carrying out the binary coding according to whether the corner reflector is detected at a corresponding position, and carrying out the passive identity recognition on the mining dump truck, the open-pit mine dump truck identity recognition device and method is notinfluenced by the high dust and low visibility, and the communication between the mining dump truck and a detection device is not needed. The noisy point removal is carried out in a double-ultrasonic-radar positioning manner, and the angle correction is carried out through a two-dimensional corner reflector positioning array, so that the open-pit mine dump truck identity recognition device is novel in structure and good in economical efficiency, and is reliable and practical.

Devices and related methods are disclosed for redirecting gravel, sand or other loads of a dump truck upon discharge from the dump truck. For example, a dump truck load diverter is disclosed which includes a diverter body having a tetrahedral-esque form factor defined by four primary faces and a plurality of chamfer faces, the four primary faces consisting of a primary diverting face, a pair of secondary diverting faces and a base face, the pair of secondary diverting faces being arranged perpendicularly to each other and to the base face. The diverter body may be sized relative to a bed of a dump truck to obstruct a substantial portion of a dump passage area when positioned in one of a plurality of load spreading configurations.

The invention belongs to the field of automobile accessories, and relates to a tail lamp folding bracket of a dump truck, which is characterized in that cylindrical rotating shafts are longitudinally installed on the two sides of the lower portion of the tail of a rectangular container through D-shaped supports respectively, concave supports are installed in the middles of the rotating shafts, and rectangular tail lamp supports are installed below the concave supports; a spiral return spring is installed in the center of the rotating shaft, an L-shaped baffle is installed on the right side of the concave support, two disc-shaped riding wheels are transversely installed below the container on the left side of the rotating shaft through a rectangular support, and the lower portion of the taillight support penetrates through the two riding wheels through a round steel wire rope to be connected with an extension spring in the middle of the right side of the girder. When the dump truck dumps silt, the oil cylinder slowly lifts the cargo tank, the distance between the cargo tank and the girder is slowly increased, the riding wheel pulls the steel wire rope upwards, and the steel wire rope synchronously and slowly flattens the taillight support forwards to be hidden below the tail of the lifted cargo tank so as to prevent the taillight support from being collided and stained by the silt.

A system and method are provided for facilitating selective delivery of aggregate material in bulk from a back of a dump truck or other truck bed to one or more wheelbarrows in a controlled manner. The disclosed embodiments further provide a system that could be operated by a single individual, including the single individual that is then manually moving the wheelbarrow from the truck to the particular location of the delivery site where the aggregate material is to be finally dispensed. The disclosed systems provide a self-contained mechanical device that is comparatively-easily mountable to the back of a dump truck or other truck bed for use, and is electrically, or electric over hydraulically, powered through the electrical system of the vehicle in order to avoid any need for additional power requirements.

The invention discloses an automatic driving chassis drive-by-wire system of a mining dump truck. A robot is additionally arranged in a cab to carry out human simulation operation, and the robot operates a steering wheel, an accelerator, a brake and other mechanisms in a physical control mode. According to the scheme, the reliability is poor, the control precision is poor, the failure rate is high, and a direct control scheme does not occur. The system comprises a controller, a traction and electric braking control circuit, a gear control circuit, a truck electric control communication circuit, a lifting control circuit, an engine rotating speed and wheel rotating speed circuit and a steering system and engine communication circuit. The drive-by-wire system is used for drive-by-wire of the automatic driving chassis of the mining dump truck.