35results about "Mechanical machines/dredgers" patented technology

A self-guided system for trenching water bottoms for the installation of a pipeline. The preferred embodiment of the present invention teaches a system which is configured to be mounted about the pipeline to be buried, and which further contemplates a uniquely configured, forward mounted trenching/drive mechanism incorporating a cutter wheel generally about the width of the desired trench, the mechanism configured to propel the system as well as trench the desired area. An alternative embodiment of the contemplates a frontal high pressure jet array in lieu of the cutter head. The trenching/drive mechanism of the preferred embodiment of the present invention further includes a high pressure spray array mounted about the frontal cutter wheel area, and a suction/mud pump assembly to the rear of the cutter wheel. The high pressure spray array provides the dual purpose function of loosening the area to be trenched, as well as cleaning and removing the trenched matter from the cutter wheel. The present invention further includes first and second buoyancy chambers which are configured to be uniformly lowered to the lower periphery of the unit frame, to provide skids for utilization of the present system in shallow water. An alternative embodiment of the present invention teaches the incorporation of a framed system similar to that as taught in the present invention, but without the trenching/drive mechanism, and with the addition of a pipe cutter mounted to the rear of the unit frame, for utilization of pipeline recovery and dismemberment operations. Other features of the present invention which are taught, and which may be implemented, include G.P.S. (global positioning system) receiver/data transmission for precise monitoring of the system during operations, thruster propulsion, and bottom loading of pipe into the frame via hinged bottom rollers, which may be powered.

A control system for a work machine, having an articulated joint and a work implement with at least one axis of rotation, has a first lever with a first longitudinal axis. A twist angle of the first lever about the first longitudinal axis is related to an articulation speed of the work machine. The control system also has a second lever having a second longitudinal axis. A twist angle of the second lever about the second longitudinal axis is related to a rotation speed of the work implement about the at least one axis of rotation. A plurality of operator control devices are disposed on the first and second levers.

The invention relates to a land leveler leveling control system, a control method and a land leveler. The leveling control system comprises a datum plane generation device, a sensor, a controller, a target order input device and reference points, wherein the reference points and the land leveler are arranged at interval; the spatial position of reference points is calculated by a signal detected by the sensor and the controller; the scraper knife target position is calculated by being combined with an input target position information; and the control signal of the corresponding motion amountis calculated and is sent to a driving mechanism in the land leveler. Because the reference points are arranged in the whole control process, the position of the scraper knife is controlled in space to have a relative reference object. The motion amount of each oil cylinder and each motor in the land leveler is accurately controlled to precisely control the position of the scraper knife. The landleveler provided with a leveling control system can perform the action on precisely controlling the scraper knife and improving leveling effect. With the leveling control method, a method for causingthe land leveler to effectively control leveling and improve the operation efficiency of the land leveler is provided.

A vehicle-attached lifting device and tool support is provided. The device comprises a dual-rail frame supported in an upright configuration by the vehicle tow hitch, wherein an internal subassembly support frame is positioned between the rails for the purposes of supporting different lifting and tool support subassemblies. Along the sides of the upright frame is a pair of ground support members that extend downward towards the ground to support the frame during operation, preventing the load from compressing the vehicle suspension or damaging the same. A winch controls the vertical positioning of the support frame within the dual-rail frame, which controls the position of a lifting or tool support subassembly. Many subassemblies are contemplated for use with the present invention for the purposes of assisting a user without requiring manual input therefrom. The device can also adjust with relation to the vehicle using different trailer hitch attachments.

A machine (A) includes a frame (16) and a platform (58) on which a boom assembly (B) is mounted. Two arms (332) of a U-shaped pivotal member (330) are pivotably mounted to the frame (16) about a first pivot axis (380) perpendicular to a longitudinal direction of the frame (16). A front end (302) of a mounting plate (310) is pivotably connected to an intermediate section (336) of the pivotal member (330) about a second pivot axis (382) perpendicular to and spaced from the pivot axis (380). Two rams (400) are mounted on opposite sides of a rear end (304) of the mounting plate (310). Each ram (400) includes a lower end (404) pivotably connected to the frame (16) and an upper end (402) pivotably connected to one of the sides of the mounting plate (310). The boom assembly (B), the mounting plate (310), and the pivotal member (330) pivot about the first pivot axis (380) and/or the second pivot axis (382) relative to the frame (16) due to relative movement of the rams (400).

A control system for a work implement of a machine having a frame is provided. The control system includes a pair of lift cylinders operatively coupled to the work implement and configured to raise or lower the work implement with respect to the frame. Each of the lift cylinders has a rod end and a cap end. The control system includes a first cross-over line configured to fluidly communicate the rod ends to each other and a second cross-over line configured to fluidly communicate the cap ends to each other. The control system includes a cross-over valve disposed in one of the first and second cross-over lines and configured to regulate a flow of hydraulic fluid therethrough. The control system further includes a controller communicably coupled to the cross-over valve and configured to at least partially close the cross-over valve during a dump cycle of the work implement.

The invention relates to a milling excavation device and a dredger. The milling excavation device comprises a caterpillar band supporting frame, a caterpillar band, rotary shafts, drivers and multiplemilling buckets. The rotary shafts are rotationally connected to the caterpillar band supporting frame, the caterpillar band is movably connected to the caterpillar band supporting frame and matchedwith the rotary shafts, the multiple milling buckets are connected with the caterpillar band, the drivers are connected with the rotary shafts and used for driving the rotary shafts to rotate, and therotary shafts are used for driving the caterpillar band to cyclically rotate on the caterpillar band supporting frame. By the adoption of the milling excavation device and the dredger, the multiple milling buckets are driven by the caterpillar band so that continuous milling excavation can be achieved, and the milling excavation efficiency is high.

The invention provides an amphibious efficient excavator which consists of a main body and a floating boat, floating wheels, underwater columns, a driving control room, a transferring machine, an excavator bucket, an excavator arm, an auxiliary driving arm and a main driving arm which are arranged on an excavating device; the floating boat is arranged on the lower side of the transferring machine; the floating wheels are arranged on two sides of the floating boat; the underwater columns are symmetrically arranged on the inner side of the floating boat in a concealed manner; the driving control room is arranged on the upper side of the transferring machine; the transferring machine is arranged on the upper side of the floating boat, and the upper side of the transferring machine is connected with the lower side of the driving control room; the excavator bucket is arranged at the lower end of the excavator arm; the lower end of the excavator arm is movably connected with the excavator bucket, and the upper end of the excavator arm is sleeved on the inner side of the auxiliary driving arm; the lower end of the auxiliary driving arm is sleeved at the upper end of the excavator arm, and a through hole at the upper end of the auxiliary driving arm is sleeved on the outer side of a toothed shaft at the upper end of the main driving arm; and the lower end of the main driving arm is arranged on the inner side of the transferring machine and is fittingly connected with the auxiliary driving arm. The amphibious efficient excavator is exquisite in structure and high in practicality, is multifunctional, is amphibious during excavation, and can be used for deep-water operation, stability of a self-moving deep rod is maintained, construction radiuses are large, the size of the excavator is small but the floating force is high, and the amphibious efficient excavator is flexible, convenient and quick in operation and high in comprehensive cost performance, and is efficient, energy-saving, environment-friendly, safe, reliable and durable.

The invention discloses a sludge suction system of a sewage suction truck. The sludge suction system comprises a suction device, a connection device and an exhausting device. The suction device comprises a suction pipe, a transmission sleeve, a motor, a crushing cutter and a ventilation pipe, wherein the transmission sleeve is installed at the inlet end of the suction pipe in a sleeving mode, the motor is fixedly connected to the suction pipe, a rotation shaft of the motor is connected to the transmission sleeve in a transmission mode, the crushing cutter is arranged on the inlet of the suction pipe and is fixedly connected to the transmission sleeve, the ventilation pipe is fixedly connected to the suction pipe, the inlet of the ventilation pipe is communicated with an air source, and the outlet of the ventilation pipe is formed in the inlet of the suction pipe. The connection device comprises a connection pipe made of a transparent material, one end of the connection pipe is connected with the suction pipe of the suction device of the sewage suction truck, and the other end of the connection pipe is connected with an input pipe of a separation device of the sewage suction truck. The exhausting device comprises a main exhausting pipe and an auxiliary exhausting pipe, the inlet end of the auxiliary exhausting pipe is located in front of a first valve and is communicated with the main exhausting pipe, and the outlet end of the auxiliary exhausting pipe is communicated with the ventilation pipe of the suction device.

A construction machine comprising a chassis, a steering, and a powertrain for driving the construction machine by the chassis, an earth-moving tool for working a terrain, and a measuring system having a first measuring unit configured for generating first measuring data in a first detection range and comprising at least a first camera and a first LiDAR scanner configured for rotating a first measuring beam around a first axis and around a second axis non-parallel to the first axis with a rotating speed of at least 0.5 Hz with respect to each axis, an interface connecting the first measuring unit to a computer configured for, based on the first measuring data, at least one of generating a three-dimensional model of the terrain within the first detection range, identifying an obstacle or a person within the first detection range, and controlling the steering, the powertrain, and/or the earth-moving tool.

The cab is situated on the body frame. The engine cover is situated in front of the cab. The engine includes the crankshaft extending in the longitudinal direction of the bulldozer. The air cleaner is situated above the engine. The air cleaner is secured to the engine cover. The duct connects the air cleaner and the engine. The duct includes the first connector and the second connector. The first connector is connected to the engine. The second connector is connected to the air cleaner. The front mounting part supports the engine on the body frame. The rear mounting part supports the engine on the body frame. The rear mounting part is situated behind and above the front mounting part.

A hydraulic system for moving an implement of a working machine includes a hydraulic cylinder with a cylinder and a piston which is adapted to move in the cylinder to thereby move the implement relative to a body structure of the working machine, and an actuator pump arranged to provide hydraulic fluid to the hydraulic cylinder, the hydraulic cylinder having a first port and a second port adapted to be in fluid communication with the actuator pump, the hydraulic cylinder and the actuator pump being arranged so that the hydraulic cylinder is directly controlled by the actuator pump so that the rate of movement of the piston of the hydraulic cylinder is purely pump controlled, the hydraulic system further including a hydraulic accumulator for suspension of the implement, which hydraulic accumulator is arranged to be selectively connectable to the first port, the hydraulic system further including a further pump in addition to the actuator pump, the hydraulic accumulator being arranged to be pressurised by the further pump.

The invention discloses a bucket and hammer quickly-replacing device and relates to the field of engineering machinery. The bucket and hammer quickly-replacing device comprises a fixed hook body, a moving hook body, a clamping oil cylinder, a rotating shaft, a limiting pin and a connecting pin. The moving hook body is arranged in a middle neutral gear of the fixed hook body and is hinged to the fixed hook body through a rotating shaft, and the moving hook body rotates around the rotating shaft. The fixed hook body and the moving hook body are provided with clamping hooks. One end of a clamping oil cylinder is hinged to the fixed hook body through a connecting pin. The other end of the clamping oil cylinder is hinged to the moving hook body through a connecting pin. The device is used for an excavating feeding mechanism and is used for being connected with a clamping bucket or a breaking hammer quickly, by quick replacing of the bucket and the breaking hammer, quick converting of excavating hoeing and impact breaking functions is achieved, an excavating loader can complete push shovel material collecting, excavating hoeing, conveying truck loading, breaking loose layer rock impact breaking and clearing danger removing construction, and the device has multiple applications. The investment of construction equipment can be effectively lowered, investment is saved, the rehandling time of the bucket and the hydraulic breaking hammer is shortened, equipment rotation time is removed, and tunneling construction efficiency is improved.

There is disclosed an excavation apparatus (5), such as an underwater excavation apparatus, having means for producing, in use, at least one vortex, spiral or turbulent flow in a laminar flow of fluid, e.g. water. The excavation apparatus (5) comprises a rotor (10) having a rotor rotation axis (A), wherein, in use, flow of fluid passed or across the rotor (10) is at a first angle (a) from the axis of rotation (A). The excavation apparatus (5) comprises the rotor (10) and means or an arrangement for dampening reactive torque on the apparatus (5) caused by rotation of the rotor (10), in use. The turbulent flow is provided within, such as within a (transverse) cross-section, of the laminar flow.

The invention belongs to the technical field of drainage channels, and particularly relates to an ecological drainage channel. The ecological drainage channel comprises a channel body, and a barrel isarranged on the inner side of the channel body. The top end of the channel body is fixedly connected with a separation plate, and the two sides of the bottom of the separation plate are in movable lap joint with the channel body. The inner side of the barrel is rotationally connected with a rotary shaft, and the outer side of the rotary shaft is fixedly sleeved with a spiral blade. The top of theouter side of the rotary shaft is fixedly sleeved with two first belt wheels, and one side of the separation plate is fixedly connected with a cross rod. The cross rod is rotationally connected witha vertically arranged transmission shaft, and the outer side of the transmission shaft is fixedly sleeved with two second belt wheels. The first belt wheels and the second belt wheels located on the same horizonal axis are in transmission connection with the same triangular belt, and the bottom of the cross rod is fixedly connected with a support. According to the ecological drainage channel, water flow in the drainage channel is adopted as power, sludge and sand in the drainage channel can be continuously drawn, sediment blocking is avoided, the sludge can be provided for farmland on the twosides as manure, the labor cost and the maintenance cost are low, and the ecological drainage channel is suitable for popularization and use.

The invention discloses an excavator quick replacement connector, and belongs to the technical field of engineering machinery. The top of a replacement connector frame body is provided with a forearminstallation hole for assembling an excavator forearm; the bottom of the replacement connector frame body is provided with a left hook and a right hook, the left hook is a fixed hook, and the right hook is a movable hook; the replacement connector frame body clamps excavator bucket installation shafts of an excavator bucket connection seat through the fixed hook and the movable hook; the movable hook is composed of a right hook body, a swing arm and a rib plate and is fixed through a locking device; the locking device is composed of a locking plate, a connection rod arm and a swinging controldevice; the swinging control device is a manual control device or an electric control device; and the swinging control device controls swinging of the locking plate, when the locking plate is reset, the swinging control device limits the swing arm of the movable hook to be fixed, clamping is achieved, swinging of the locking plate is controlled, the swing arm can swing, and the movable hook is quickly disassembled.

The invention discloses a quick-changing device for accessories of a hydraulic excavator working device. The quick-changing device comprises a pin roll, a base body, a slide block assembly and an oil cup, wherein the slide block assembly slides up and down to install, clamp, and dismount the accessories of the working device. The invention provides an effective solution for meeting the requirements of short consumed time, low cost and high efficiency when a user frequently changes the accessories of the hydraulic excavator working device.

The invention relates to the technical field of sandy soil excavating, and aims at providing sandy soil excavating equipment. The sandy soil excavating equipment comprises a stirring barrel, a car body is provided with a cab, a loading arm and an excavating arm, the cab of a driver is arranged on the car body, one end of the excavating arm is connected with the car body through the loading arm, and the other end of the excavating arm is provided with a bucket. The sandy soil excavating equipment is characterized in that the bucket comprises a fixing rope, a take-up pile, a bearing plate and afixing pile, the fixing pile is arranged on the outer wall of the bucket, the take-up pile is arranged on the portion, opposite to the fixing pile, of the outer wall of the bucket, one end of the take-up pile is connected with a motor output shaft, the other end of the take-up pile is connected with one end of the fixing rope, the other end of the fixing rope is connected with the fixing pile, andthe bearing plate is movably arranged on the fixing rope in a penetrating manner. The sandy soil excavating equipment is reasonable in structure, simple, practical and suitable for being popularized.

A drive device for construction equipment according to the present invention comprises: a first pump flow path that is connected to a first hydraulic pump; a first supply flow path and second supply flow path that are connected to the first pump flow path; a first branch flow path and a second branch flow path that are connected to the first supply flow path; a third branch flow path and a fourth branch flow path that are connected to the second supply flow path; a first main controlled valve that is connected to the first branch flow path and the third branch flow path; a second main controlled valve that is connected to the second branch flow path and the fourth branch flow path; a first bucket flow path that is connected to the first branch flow path via the first main controlled valve, and to the cap-side space in the bucket cylinder; a second bucket flow path that is connected to the third branch flow path via the first main controlled valve, and to the rod-side space in the bucket cylinder; a first arm flow path that is connected to the second branch flow path via the second main controlled valve, and to the rod-side space in the arm cylinder; and a second arm flow path that is connected to the fourth branch flow path via the second main controlled valve, and to the cap-side space in the arm cylinder.

The invention relates to a self-cleaning slurry suction inlet sealing structure of a trailing suction hopper dredger. The self-cleaning slurry suction inlet sealing structure comprises a special-shaped sealing main body piece and a sealing accessory with a self-cleaning function for use in combination with the special-shaped sealing main body piece, wherein the sealing accessory with the self-cleaning function is a blade type one-way sealing rubber block. The self-cleaning slurry suction inlet sealing structure is scientific and reasonable in design; the rebound resilience of a sealing mechanism is improved through an L-shaped special-shaped rubber block structure, and the high-pressure impact resistance of the whole sealing mechanism is improved through cooperation of a high-density rubber positioning block and a high-density rubber block; and meanwhile, a buffering concave hole and a low-density rubber buffering outer lip structure are additionally arranged, so that high-strength pressure of high-pressure slurry on a right-angle gap space between assemblies can be released, instant high-pressure impact of high pressure on a sealing piece and a rigid structure is relieved, damage to the rubber assembly is effectively avoided, the service life of a rubber assembly is prolonged, and the sealing effect of the rubber assembly is guaranteed. Due to the arrangement of a one-way rubber blade structure, the one-way sealing function can be achieved; during use, due to the fact that slurry flows inwards but cannot flow into a driving box, so that a driving mechanism can work efficiently, and damage caused by inflow of a large amount of slurry is avoided; and meanwhile, the function of protecting the driving box is achieved, and the self-cleaning effect is achieved.