12194results about "Mechanical machines/dredgers" patented technology

A power machine can include a frame, a lift arm, and one or more electrical devices for control of one or more work elements. An electrical tilt actuator can be secured to the lift arm to change an attitude of an implement carrier, an electrical lift actuator can be secured to the frame to raise and lower a lift arm, an electrical drive motor can be mounted to a track frame to move a track, or a battery assembly and electrical control module can be secured to the frame, including rearward of an operator station.

The disclosure relates to the technical field of tunnel excavation, in particular to a non-blasting tunnel boring machine and a tunneling method. The tunneling machine comprises a vehicle-mounted device (1), a rotational driving device (2), a translation device (40), a working disc (3), a foundation trench excavation device (4), a drilling and splitting device (5), a hazard removal device (50), a dust suppression device (6) and a material feeding device (7). The rotational driving device (2) is arranged on the vehicle-mounted device (1), the working disc (3) is connected with the rotational driving device (2), the rotational driving device (2) drives the working disc (3) to rotate around a center of the working disc, the foundation trench excavation device (4) is arranged on the working disc (3), the drilling and splitting device (5) comprises a drilling machine (51) and a rock splitter (52) both arranged on the working disc (3), the drilling machine (51) is suitable for drilling a hole in a tunnel face in an annular crack arrest groove, the rock splitter (52) is suitable for splitting the tunnel face, the hazard removal device (50) is arranged on the working disc (3), the dust suppression device (6) is arranged on the vehicle-mounted device (1), and the material feeding device (7) is used for receiving and conveying materials dropped during excavation.

The invention relates to the technical field of cutter suction dredger steel pile trolley control, and discloses a cutter suction dredger steel pile trolley control method and system based on hydraulic excitation early warning, and the method comprises the steps: collecting the influence degree of multiple parameters on the system stability, calculating a pressure fluctuation factor and the like to form a state feature set; constructing a dynamic pressure balance model, inputting data such as a pressure time sequence queue and a sea condition level, and outputting a dynamic pressure adjustment value; constructing a cooperative control correction model, inputting steel pile attitude data and outputting a cooperative correction coefficient; and calculating a final control output quantity by combining the adjustment value and the correction coefficient, and generating a hydraulic excitation control instruction set. The system comprises a multi-source sensor module, a state feature calculation module, a dynamic pressure balancing module and the like, and multi-dimensional data fusion and intelligent control are achieved. The stability, the control precision and the environmental adaptability of the steel pile trolley system are improved, and the method is suitable for the control scene of the cutter suction dredger steel pile trolley.

A work machine, such as an excavator or a backhoe, has a linkage of articulating arms for maneuvering a changeable work tool. Position and motion sensors and force sensors within the linkage provide data for a controller to determine a location of the work tool and down force applied from the linkage onto the work tool during a job. Before performing a grading operation, an operator may request level control for the work tool at a benchmark orientation and down-force control at a target down force. After a controller applies the target down force with the work tool at the benchmark orientation, an operator may traverse the work tool along a path radial to the work machine. While maintaining the benchmark orientation for the work tool, the controller may adjust one or more forces on the linkage to also maintain the target down force during the traversal of the work tool, leading to simpler functionality for the operator and higher quality work product.

The invention relates to the technical field of underwater leveling machines, in particular to a transverse and longitudinal walking mechanism, a multi-degree-of-freedom adjusting underwater leveling machine and a construction method. The transverse and longitudinal walking mechanism comprises an end part structure, and a first hole is formed in the end part structure in a penetrating manner; a first hole is formed in the end structure in a penetrating manner; at least part of the transverse moving frame is located in the first hole, and the transverse moving frame is in sliding fit with the end structure in the radial direction of the first hole; the walking longitudinal beam penetrates through the transverse moving frame in the length direction of the first hole and is in sliding fit with the transverse moving frame. The first vertical lifting supporting leg is connected with the end part structure; and the second vertical lifting support leg is connected with the walking longitudinal beam. According to the transverse and longitudinal walking-pedrail walking mechanism, the mode that the walking-pedrail longitudinal beam is sleeved with the transverse moving frame, the transverse moving frame is sleeved with the end structure, the transverse moving frame is used for replacing a transition frame of an existing walking-pedrail type leveling machine, and therefore the overall weight of the transverse and longitudinal walking-pedrail walking mechanism is effectively reduced.

A working machine includes a machine body; a traveling device provided at a lower portion of the machine body; a working device provided at a front portion of the machine body; an operator's seat mounted on the machine body; and a work lamp to illuminate a work area of the working device. The work lamp includes a front work lamp to illuminate front of the machine body. The front work lamp is provided at the front portion of the machine body, at a position lower than a seat surface of the operator's seat.

An upper revolving structure (4) of an electric hydraulic excavator (1) includes a revolving frame (7), an operator's seat (10), an electric motor (15), a hydraulic pump (17) driven by the electric motor (15), an oil tank (18), and an exterior cover (20) disposed in the revolving frame (7) to cover electrical equipment including the electric motor (15) and hydraulic equipment including the hydraulic pump (17) and the oil tank (18). A partitioning member (25) that is disposed in the revolving frame (7) to partition an inside of the exterior cover (20) into an electrical equipment room (28) and a hydraulic equipment room (29). An electrical equipment cooling device (31) including an electrical equipment cooling fan (34) is disposed in the electrical equipment room (28), and a hydraulic equipment cooling device (35) including a hydraulic equipment cooling fan (37) is disposed in the hydraulic equipment room (29).

The invention relates to a cutter suction dredger reamer suction port position density forecasting method, and belongs to the field of engineering ship automation systems.The method includes the steps that firstly, a suction vacuum value, a density value and a flow velocity value are collected in real time, and data are processed and stored in real time; secondly, performing time shifting operation on a suction vacuum value by using the length of a pipeline from a suction vacuum sensor to a densitometer and the flow velocity, performing time dimension matching on the suction vacuum value and a density value, and after matching succeeds, respectively extracting the suction vacuum value and the density value by using a weighted average algorithm as characteristic values for storage; fitting operation is carried out on the feature statistical data; a fitting equation is obtained through a fitting operation result, and a density value corresponding to the position of a reamer suction opening is predicted in advance through a suction vacuum value obtained in real time; and meanwhile, fitting correction is performed on the fitting equation in real time. By accurately forecasting the position of the suction port of the cutter of the cutter suction dredger in real time, the dredging construction control precision of the cutter suction dredger can be remarkably improved, and the dredging construction efficiency is guaranteed.

To provide a wave monitoring system for a construction area based on image information recognition, which can optimize the route and adjust the work strategy based on accurate risk judgment results, reduce the probability of the ship blindly entering the risky sea area, ensure the smooth implementation of the navigation plan, and complete the construction work on time. [Solution] The system includes a monitoring area setting module, a wave image collection module, a wave parameter analysis module, a break condition monitoring module, a swell condition monitoring module, and a risk situation recognition module, and is configured to further determine whether a risk exists for the target dredging construction vessel based on the determination result of whether a wave risk situation will occur in each monitoring area.

The invention provides an automatic height adjustment and optimization implementation method for an energy dissipation device of a trailing suction dredger. The automatic height adjustment and optimization implementation method comprises the four steps of core parameter determination, loading process simulation, loading efficiency analysis and energy dissipation device height optimization output. And establishing a prediction model through numerical simulation calculation and a convolutional neural network, and obtaining a height recommendation value of the energy dissipation device. The height optimization system for the trailing suction dredger-mounted energy dissipation device comprises a core parameter input module, a loading process simulation and prediction module, a loading efficiency analysis module, a design optimization output module and an automatic height adjustment module. The height of the energy dissipation device can be automatically and flexibly adjusted, and the loading efficiency and the loading flatness of silt in the cabin are improved by reducing overflow loss.

The present invention discloses an underwater cleaning robot and a method for using the robot. The robot comprises: a travel mechanism disposed at the bottom for carrying and transporting, the travel mechanism is connected to a control system disposed inside the robot, the control system is connected to a wireless receiving device, the robot is provided with a filter chamber, the filter chamber upstream is connected to a sewage suction port disposed at the front bottom of the robot, a filter sheet is disposed in the filter chamber, a transparent window for manually cleaning dirt residues is provided at a position corresponding to the top of the filter sheet and covering the top of the filter chamber, a self-priming water pump is connected to the downstream of the filter sheet, the outlet of the self-priming water pump is connected to a negative pressure outlet disposed at the rear upper part of the robot, and a video monitoring lens connected to the control system is provided at the rear tail of the robot. The robot of the present invention can achieve real-time cleaning of the substrate of an aquaculture pond in a mechanically automated manner, ensure the quality of aquaculture water, improve the aquaculture environment and growth efficiency of aquatic products, and also improve the production efficiency of aquaculture and its economic benefits.

The utility model belongs to the field of underground water well desilting equipment, and discloses a portable desilting device for a small-caliber shallow underground water monitoring well, which comprises an air compressor and a tripod, the air compressor is detachably connected with a high-pressure air pipe, the high-pressure air pipe is a high-pressure rubber pipe, the high-pressure air pipe is detachably connected with a flushing head or a gas-liquid mixer, and the tripod is connected with the flushing head or the gas-liquid mixer. The inner diameter of the flushing head is 1 / 2 of the inner diameter of the high-pressure gas pipe, the gas-liquid mixer is detachably connected with a bottom suction pipe and a gas-liquid return pipe, the gas-liquid return pipe is detachably connected with a solid-liquid separation device, the solid-liquid separation device is detachably connected with a recharge pipeline, the recharge channel, the bottom suction pipe and the gas-liquid return pipe are all flexible channels, and the tripod is fixedly connected with pulleys. The pulley is movably connected with the high-pressure air pipe; the underground water well dredging device solves the problems that cracks cannot be dredged in an existing dredging mode, and silt which rises along a well hole and is discharged to the ground can pollute the surrounding environment, and is suitable for underground water well dredging.

A linear actuator system includes a linear actuator and an integrated pump assembly connected to the linear actuator to provide fluid to operate the linear actuator. The integrated pump assembly includes a pump with two fluid drivers, each fluid driver comprising a prime mover and a fluid displacement assembly to be driven by the prime mover such that fluid is transferred from a first port of the pump to a second port of the pump. The pump assembly also includes two valve assembles to isolate the pump from the system. The linear actuator system also includes a controller that establishes the pump in a normal mode of operation in which the prime movers are independently driven and switches to a fail-safe mode of operation in which only one prime mover is operated.

The invention discloses a bucket of an open pit coal mine wheel loader, which relates to the technical field of loaders, and adopts the technical scheme that the bucket comprises a bucket body, bucket teeth are arranged outside the bucket body, an auxiliary unloading mechanism is arranged outside the bucket body, the auxiliary unloading mechanism comprises two transmission shells arranged outside a protective shell, and transmission assemblies are arranged inside the transmission shells; according to the invention, the hydraulic rod arranged outside the connecting arm can drive the bucket to turn over, so that a coal mine in the bucket falls freely, and in the turning-over process of the bucket, the coal mine can be pushed out of the bucket, so that the coal mine can be pushed out of the bucket by the hydraulic rod arranged outside the connecting arm. The material pushing plate can be driven to move through the transmission assembly arranged in the transmission shell, the coal mine in the bucket can be pushed out through movement of the material pushing plate, the loading efficiency of the coal mine is improved, in the moving process of the material pushing plate, coal cinder remaining on the side wall of the bucket can be removed, and convenience and effectiveness are achieved.

In accordance with an example embodiment, a utility vehicle comprising a main frame; a work tool configured to move relative to the main frame to move a material on a surface; a ground sensing apparatus proximate the work tool, wherein the ground sensing apparatus is configured to detect contact between the work tool and the surface; a non-transitory computer-readable memory storing operation information; and an electronic processor configured to: receive image data captured by the ground sensing apparatus as the work tool passes over the surface, and determine if the work tool is in contact with the surface based on the image data.

The invention relates to the field of environmental protection, and provides a desilting method, system and device for lake bottom mud and electronic equipment.The method comprises the steps that sound waves are emitted to the bottom of a lake, and sound wave signals reflected back by the bottom of the lake are obtained; determining the thickness of lake bottom sludge based on the acoustic signal; and dredging the lake based on the thickness of the sludge at the bottom of the lake. The method is used for overcoming the defect that in the prior art, the desilting thickness cannot be accurately mastered in the desilting process, the thickness and spatial distribution of the sludge at the bottom of the lake can be scientifically and reasonably determined, the desilting project amount is determined, and desilting work is accurately completed.

Systems and techniques are described for implementing autonomous control of powered earth-moving vehicles, including to automatically control use of a ripper tool attachment to loosen ground materials for subsequent blade tool operations, such as to determine placements of the ripper tool for multiple ripping passes so that its teeth perform ground-loosening operations that in the aggregate span the width of a blade tool to be used for subsequent pushing / cutting operations. For example, the techniques may include obtaining information about a width of a ripper tool attachment and placement of one or more teeth on the ripper tool, obtaining information about a width of a blade tool attachment, and determining multiple placements of the ripper tool attachment during ripping operations that in the aggregate cover the width of the blade tool attachment to be used for subsequent pushing / cutting operations.

The invention discloses a self-adaptive inclined excavator bucket system and a control method thereof. The self-adaptive inclined excavator bucket system comprises a bucket, an inclination sensor, a laser distance measuring sensor, a soil characteristic sensor, a main controller and an executing mechanism. The inclination sensor is installed on the rear side of the bucket and used for monitoring the inclination angle of the bucket in real time. The laser distance measuring sensor is installed on the front edge of the bucket and used for measuring the distance between the bucket and the ground. The soil characteristic sensor is installed on bucket teeth of a bucket and used for obtaining physical characteristic information of soil in real time. The main controller is electrically connected with all the sensors and the executing mechanism and is used for receiving and processing data of the sensors in real time and sending a control command to the executing mechanism; the executing mechanism comprises a hydraulic system and a servo motor and is used for receiving a control command of the main controller in real time and automatically adjusting the inclination angle and the digging force of the bucket. The inclination angle and the digging depth of the bucket can be automatically adjusted according to different conditions, and the working efficiency, precision and safety are improved.

The invention relates to the technical field of excavator bucket rods, and provides a bucket rod composite damping device and an excavator. The device comprises a shell composed of a base, an outer shell and a stress shell; the magneto-rheological buffer device is installed in the shell and composed of a lattice structure made of magneto-rheological elastomer materials and magneto-rheological fluid filled in gaps corresponding to the lattice structure, and a plurality of sound absorption holes are formed in each cell element wall in the lattice structure; the electromagnetic device is located in a containing cavity formed in the lattice structure and is composed of a magnetic core and an electromagnetic coil; the anti-vibration pad and the stress plate are embedded in the top of the shell and are in contact with the stress plate; the damping springs are arranged on the periphery of the shell and fixedly connected between the stress plate and the base; the vibration monitoring module is used for collecting vibration data of the bucket rod in real time and transmitting the vibration data to the intelligent control module, and the intelligent control module is used for adjusting the output magnetic field intensity of the electromagnetic coil according to the vibration data so as to adjust the viscosity of the magnetorheological fluid in real time.

The invention relates to a front loader (1) for a work vehicle. The front loader has a boom (3) with arms (10, 11). One arm (10) can be extended into different telescopic positions by means of an actuator (26). According to the invention, in addition to the telescopic degree of freedom (23), a pivot bearing (12) is provided between the two arms (10, 11). By means of an actuator (14), the two arms (10, 11) can be pivoted into different relative pivot positions, thereby changing the length of the boom (3). It is possible that the actuator (26) is integrated into the arm (10).

The invention relates to a tiltrotator (1) for mounting on a construction machine, comprising a quick coupler (3; 57) arranged on a connection part (2) rotatable about a rotary axis (5) by means of a hydraulic rotary drive (4) and pivotable about a pivot axis (7) orthogonal to the rotary axis (5) by means of a hydraulic swivel drive (6) for coupling a tool or attachment, and a hydraulic circuit arrangement (34; 55) for controlling the tiltrotator (1) via two hydraulic circuits (H1, H2). According to the invention, a hydraulically actuated gripper assembly (26) is arranged on the quick coupler (3; 57) and the tiltrotator (1) contains a mechanical switching device (42) via which either a hydraulic gripper drive (31, 32) of the gripper assembly (26) or another consumer can be controlled by the hydraulic circuit (H2) connected to the mechanical switching device (42).

The invention provides an intelligent mechanical hydraulic excavator bucket track automatic control method and system, and relates to the technical field of data processing, the method comprises the following steps: obtaining target track data and excavation working condition data; the expected stress of the bucket on the target track is calculated based on the mechanical property of the hydraulic system, the movement track of the bucket and the soil resistance change; calculating a trajectory correction compensation amount by combining the dynamic response characteristics of the hydraulic system and historical trajectory deviation data; real-time track data of the bucket are obtained, and the current track offset is calculated in combination with the target track data; calculating a correction control quantity to obtain a correction control instruction; the control parameters of the hydraulic cylinder are adjusted to correct the track of the bucket, so that the bucket runs along the target track; track correction is repeatedly executed until the bucket completes the excavation task of the target track; according to the invention, autonomy and accuracy of automatic control of the track of the bucket are improved.

The invention discloses a double-variable power source hydraulic system of a movable arm of an electric loader and a control method, and belongs to the technical field of energy conservation of electric engineering machinery. The hydraulic system is structurally characterized in that a permanent magnet synchronous servo motor and an electro-hydraulic proportional variable device form a double-variable power source direct drive arm hydraulic cylinder; the one-way valve achieves oil cylinder and motor oil supplementing and flow reappearing functions according to the working condition of a hydraulic cylinder, the direct-acting overflow valve achieves overflow protection of a hydraulic system, and the two-position two-way electromagnetic directional valve achieves the pressure maintaining function of the hydraulic cylinder. According to the control method of the hydraulic system configuration, an upper computer outputs a target instruction to a double-variable parameter optimization controller, then the double-variable parameter optimization controller outputs an optimization rotating speed or displacement signal to a motor pump set, and a pump outlet pressure sensor feeds back a pressure signal to achieve a pressure closed loop. The energy recovery function can be effectively achieved in the aspect of configuration, the energy efficiency characteristic of a power source can be greatly improved in the aspect of a control method, and the endurance time of the electric loader is effectively prolonged.

To provide a control method of a work machine, a control program for the work machine, a control system for the work machine, and the work machine, which can easily improve work efficiency.SOLUTION: A control method of a work machine 3 includes performing restriction processing of restricting motion of the work machine 3 when a detection result by a detection section 13 detecting an object to be detected in a monitoring area around the work machine 3 meets a specific condition and specific operation is performed on an operation device 35 of the work machine 3.SELECTED DRAWING: Figure 2

A wear detection system can be configured to receive a video stream including a plurality of images of a bucket of the work machine from a camera associated with the work machine. The bucket has one or more ground engaging tools (GET). The wear detection system can also be configured to identify a plurality of tool images from the video stream over a period of time. The plurality of tool images depict the GET at a plurality of instances over a period of time. The wear detection system can also be configured to determine a plurality of tool pixel counts from the plurality of tool image and determine a wear level for the GET based on the plurality of tool pixel counts.

A work vehicle includes a boom coupled to a machine body, an arm coupled to the boom, a bucket coupled to the arm and including an edge portion to function as a leading edge when the bucket excavates earth, a rotation sensor to measure rotation of a to-be-measured object which is at least one of the boom, the arm, or the bucket, and a controller configured or programmed to control rotation of the to-be-measured object. The controller is configured or programmed to control rotation of the to-be-measured object based on an output value obtained by applying a correction function directly or indirectly to a difference between a target angular velocity for rotation of the to-be-measured object and an actual angular velocity of the to-be-measured object derived based on a measurement result from the rotation sensor, the correction function being based on the actual angular velocity.

The invention provides a height optimization system for a trailing suction dredger-mounted energy dissipation device. The optimization system comprises a core parameter input module, a loading process simulation and prediction module, a loading efficiency analysis module, a design optimization output module and an automatic height adjustment module. In the construction process, the height of the energy dissipation device can be automatically and accurately adjusted in real time according to different soil texture and different slurry concentration requirements. The energy dissipation device cannot be too low to cause quick settling coarse particle sediment to block an outlet of the energy dissipation device, and cannot be too high to cause cabin entering water flow to disturb sediment to increase overflow loss of suspended sediment. By accurately controlling the height of the energy dissipation device, the construction efficiency of the trailing suction dredger is improved, meanwhile, the adverse effect of loading overflow on the construction water area environment can be reduced, and the engineering application value is achieved. The height of the energy dissipation device can be automatically and flexibly adjusted, and the loading efficiency and the loading flatness of silt in the cabin are improved by reducing overflow loss.

According to the intelligent control method and system for the double-wheel milling and deep stirring equipment, geological data of a construction area are obtained through preset stratum detection equipment, geological data corresponding to a construction groove section are determined, and the tunneling speed is intelligently adjusted in combination with the milling wheel torque monitored in real time and the current tunneling depth. According to the method, speed adjustment is carried out according to milling wheel torque data, tunneling depth and stratum geological data, meanwhile, associated data of the tunneling depth and the speed are generated, and finally cement paste is injected into a groove section when equipment is lifted. According to the intelligent control method, construction parameters can be adaptively adjusted according to different geological conditions, the milling efficiency and precision are effectively improved, equipment abrasion is reduced, and the service life of equipment is prolonged. Through the combination of real-time data monitoring and intelligent parameter adjustment, the method realizes the accurate control and optimization of the construction process of the milling and deep stirring equipment, and provides more efficient and reliable technical support for the construction of the cement-soil continuous wall.

The invention provides a bucket for testing the digging resistance of a wheel bucket excavator, and solves the problems that the conventional wheel bucket excavator is difficult to directly and accurately measure the resistance in the tangential direction, the lateral direction and the normal direction of the bucket and the distribution condition of the lateral digging resistance in a lug plate of the bucket cannot be tested. According to the technical scheme, a bucket is connected with a bucket wheel body through three or four sets of hinge parts, each set of hinge part is composed of two bucket lug plates and one bucket wheel body lug plate in a matched mode, and the bucket lug plates and the bucket wheel body lug plates are connected through bidirectional force measuring pin shaft sensors penetrating through lug plate shaft holes; pressure ring sensors are arranged between the two sides of the bucket wheel body lug plate and the two opposite bucket lug plates respectively, pin shaft sensors penetrate through shaft holes of the pressure ring sensors, and the pressure ring sensors are fixed to the opposite faces of the two bucket lug plates through annular baffles. And the pressure ring sensor is embedded in the annular baffle plate. By arranging the bucket for testing, the resistance distribution of the hinged part in the bucket is accurately measured, and the reliability and the testing efficiency are high.

The invention relates to the technical field of energy conservation of loader shoveling systems, and discloses a loader shoveling cooperative energy self-adaptive control method based on operation stage identification, which comprises the following steps: step 1, a signal acquisition module acquires whole vehicle state information data of a loader through a CAN (Controller Area Network) bus and a sensor; 2, the hydraulic control module judges the working stage of the current loader; and 3, the hydraulic control module completes self-adaptive matching of the operation mode and the operation stage through the electro-hydraulic proportional execution module based on identification of the operation stage of the loader, and actions of the movable arm and the bucket are autonomously achieved. On-line identification of the operation stage can be completed, and after identification of the operation stage is completed, the hydraulic control module automatically matches the corresponding operation mode and controls the movable arm and the bucket to autonomously execute corresponding actions.