4746results about "Soil-shifting machines/dredgers" patented technology

The invention relates to the technical field of earthwork compaction, and discloses a pipe ditch backfilling and tamping system based on excavator modification. The system comprises an earthwork condition dynamic sensing module which captures a bucket tooth track, a hydraulic oil cylinder pressure pulse and a soil mass vibration spectrum in real time and combines a historical database to construct a model to output a theoretical compaction degree curve; a multi-source compaction difference analysis module performs three-dimensional deviation detection on the theoretical curve and the actual settlement volume data to generate a construction grid-level compaction difference tensor; the defect area association mapping module inputs the tensor into a geological topology analysis network, generates a loose defect propagation path probability cloud chart by combining soil parameters and identifies weak sections; and the tamping strategy self-adaptive configuration module automatically sets operation parameters according to the cloud picture, activates high-precision monitoring on a high-probability defect section, and applies a dynamic excitation force test on adjacent grids, so that intelligent management and control of the backfilling and compacting process are realized.

Systems and techniques are described for implementing autonomous control of earth-moving construction and / or mining vehicles, including to automatically determine and control autonomous movement of part or all of one or more such vehicles (e.g., a vehicle's arm(s) and / or attachment(s), such as a digging bucket, claw, hammer, blade, etc.) to move materials or perform other actions in a manner that is based at least in part on data from simulated operation of the vehicle(s). For example, the systems / techniques may include using data from simulated operation of the earth-moving vehicle(s) in various manners, such as for use in training one or more machine learning models that are used in implementing the autonomous operations, determining optimal or otherwise preferred hardware component configurations to use, determining optimal or otherwise preferred implementation plans to use for one or more tasks and / or multi-task jobs, enabling user what-if experimentation activities, etc.

The utility model discloses an efficient drainage ditch excavation device based on an adjustable shaping excavator bucket, and relates to the technical field of municipal engineering and hydraulic engineering construction. Different design requirements are met by hydraulically adjusting the size of the bucket, the bucket body is formed at a time, manual finishing and template use are reduced, the construction cost is reduced by more than 20%, the excavation precision is controlled by combining GPS positioning and real-time measurement, the groove longitudinal slope and elevation precision is ensured, and the construction efficiency is improved. One-time forming of the drainage ditch and synchronous outward transportation of spoil are achieved, and site accumulation is avoided. According to the scheme, the construction efficiency and quality are remarkably improved, and the method is suitable for municipal drainage engineering under soil texture and strong weathered rock geological conditions.

A material penetrating tool includes a shaft portion defining a central axis, and an enlarged cutting portion extending downwardly axially from the shaft portion. The enlarged cutting portion includes a rearward blunt surface, a front cutting surface, a first side surface and a second side surface, and the first side surface and the second side surface define an angle of extension measured in a plane perpendicular to the central axis, forming a wider forward cutting surface than the rearward blunt surface in a plane perpendicular to the central axis.

All-terrain vehicle systems and methods configured for attachable tools and implements are disclosed. An example embodiment includes: an All-Terrain Vehicle (ATV) frame configured with a void; a modular Power Take-Off (PTO) system removably installable in the ATV frame in the void; and a cargo bed removably installable at a rear portion of the ATV frame.

The invention discloses a reservoir desilting method and device using fixed jet flow, and relates to the technical field of water conservancy and hydropower engineering desilting. According to the method, the flow speed, pressure, mud layer thickness and gradient parameters of water around a nozzle are collected in real time; calculating a jet flow angle compensation coefficient, and identifying a nozzle direction stable state; on the basis of a nozzle set with stable direction, a nozzle group is constructed and a time sequence differential control table is established by combining a topological relation between nodes and disturbance propagation characteristics, so that ordered migration of turbulent flow disturbance is realized; sediment concentration, flow velocity and flow data are collected in a flow guide plate and a sediment discharge port area, and a desilting efficiency index is calculated and used for evaluating sediment transportation continuity and flow guide performance; and a comprehensive operation optimization coefficient is generated through a multivariable adaptive weighted fusion algorithm, and the system automatically executes adaptive regulation or sends out a manual intervention prompt. According to the method, self-monitoring, self-correction and global optimization of the fixed jet system can be achieved, and the reservoir dredging efficiency and the operation stability are remarkably improved.

A hydraulic drive apparatus includes a hydraulic pump that discharges a working fluid; a flow dividing valve that divides a pump passage connected to the hydraulic pump into first and second passages, and changes an opening degree of each passage according to a signal that is input to the flow dividing valve; a travel system hydraulic circuit that is connected to the first passage and controls a flow of the working fluid to a travel motor; a loading system hydraulic circuit that is connected to the second passage and controls a flow of the working fluid to a loading actuator; a pressure sensor that detects a pressure supplied to the travel motor; and a control device that controls, by outputting the signal to the flow dividing valve, the opening degree of the first and second passages according to the pressure detected by the pressure sensor.

A cutting edge of a machine is fabricated by cutting one or more grooves within a base cutting edge and incorporating one or more hard tiles in the grooves. An edge groove may be cut into a ground-engaging edge of the cutting edge and hard tiles may be disposed therein. Additionally, a face groove may be cut into a corner of the cutting edge, within which hard tiles may be disposed. At the face of the cutting edge, distanced from the ground-engaging edge, a wear indicator groove may be cut and wear indicator tiles may be disposed therein. Furthermore, laser-clad abrasion resistant material may be provided on a face of the cutting edge to improve the wear resistance of the face. Further still, the corners of the cutting edge may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge.

The invention provides an arrangement method of an excavator spraying and dust falling device and the dust falling device, and relates to the technical field of excavators. The method comprises the following steps: determining a bucket and a required spraying range around the bucket; determining a nozzle mounting reference position; according to the transverse length and the longitudinal length of the spraying range, the number of transverse each row of sprayers and the number of longitudinal each column of sprayers are calculated by combining the effective spraying area of the single sprayers; calculating an included angle between a transverse nozzle and the horizontal direction and an included angle between a longitudinal nozzle and the vertical direction according to the distances from the highest point, the lowest point and the farthest point of the spraying range to the nozzle mounting position; and installing the nozzles according to the calculated number and angle of the nozzles, and controlling the nozzles to spray to form a water curtain covering the spraying range. In the operation process of the excavator, spraying and dust falling are carried out at the same time, the excavator bucket can be cooled, dust generated in the excavation process can also be treated, efficiency is high, cost is low, the spraying water amount is small, accumulated water cannot be generated, and operation safety and operation efficiency are guaranteed.

The utility model discloses a crushing mechanism assembly and a trolley with the crushing mechanism assembly.The crushing mechanism assembly comprises a multi-degree-of-freedom mechanical arm assembly and a crushing part, the mechanical arm assembly comprises a first rotating mechanism, a pitching mechanism, a swinging mechanism and a second rotating mechanism, one end of the pitching mechanism is connected with the first rotating mechanism, and the other end of the pitching mechanism is connected with the swinging mechanism; one end of the second swing mechanism is connected with the swing mechanism; the second rotating mechanism comprises a rotating assembly and a rotating table, one end of the rotating assembly is connected with the swinging mechanism, and the other end of the rotating assembly is connected with the rotating table; the crushing part comprises a propelling slideway, a crushing hammer and a propelling oil cylinder, the propelling slideway is connected with the rotating table, the crushing hammer is connected with the propelling slideway, one end of the propelling oil cylinder is connected with the propelling slideway, and the other end of the propelling oil cylinder is connected with the crushing hammer. The crushing mechanism assembly has the effects that the vertical crushing range of the crushing mechanism assembly on the tunnel face is widened, and the crushing efficiency of the crushing mechanism assembly is improved.

A cutting edge of a machine is fabricated by cutting one or more grooves within a base cutting edge and incorporating one or more hard tiles in the grooves. An edge groove may be cut into a ground-engaging edge of the cutting edge and hard tiles may be disposed therein. Additionally, a face groove may be cut into a corner of the cutting edge, within which hard tiles may be disposed. At the face of the cutting edge, distanced from the ground-engaging edge, a wear indicator groove may be cut and wear indicator tiles may be disposed therein. Furthermore, laser-clad abrasion resistant material may be provided on a face of the cutting edge to improve the wear resistance of the face. Further still, the corners of the cutting edge may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge.

The invention discloses an excavator operation action control method and device based on bucket trajectory planning, and belongs to the technical field of engineering machinery automation. The method comprises the steps that excavator attitude sensing data and excavator environment sensing data are obtained; the excavator attitude sensing data comprises all joint angles of the excavator; according to the excavator attitude sensing data, obtaining the position and attitude of the bucket and constructing a dynamic model; the dynamic model represents a mapping relation between the bucket stress information and the bucket force output constraint information; acquiring a three-dimensional construction model according to the excavator environment sensing data; acquiring a three-dimensional deviation field according to the three-dimensional construction model and a preset building information model; planning a target construction track of the bucket according to the position and posture of the bucket, the three-dimensional deviation field and the dynamic model; and the target pose sequence of the joint space of the excavator is obtained based on the target construction track of the bucket, action control is conducted on all joints of the excavator according to the target pose sequence, and the high-precision excavator control method capable of achieving real-time adjustment according to the operation quality is achieved.

A system and method for calibrating and setting up a machine guidance system for construction assets, such as loaders or excavators, employ point cloud data from onboard optical sensors to acquire spatial measurements. Point cloud data is transformed to an asset coordinate frame, candidate pitch and roll offset values are applied, grid representations are generated, and calibration values are selected with reduced error by comparing these grids to a reference surface. The system and method support autonomous operations including obstacle avoidance and grading by modifying the point cloud data according to the determined calibration values. In addition, dual-sensor calibration, terrain mapping, and filtering techniques are disclosed.

The invention discloses a TRD equipment construction vertical control method and system based on digital twinning, and relates to the technical field of TRD equipment construction control, and the method comprises the steps: creating a three-dimensional dynamic twinning body which is in fidelity synchronization with TRD equipment and a construction geological environment; connecting physical perception execution equipment, and driving the digital twin model to update synchronously; calling a vertical state sensing module, and identifying a hierarchical vertical state by using a preset vertical tolerance threshold; and carrying out strategy matching search, feeding back a vertical control adjustment strategy, and carrying out real-time operation response on TRD equipment. The technical problems that in the prior art, in traditional TRD equipment construction, perpendicularity control is prone to being affected by geological environment changes and equipment operation data feedback lag, so that equipment control precision is low, and construction quality is unstable are solved, accurate control over TRD equipment construction perpendicularity is achieved, and the construction quality is improved. And the construction quality and the equipment operation stability are improved.

A cutting edge of a machine is fabricated by cutting one or more grooves within a base cutting edge and incorporating one or more hard tiles in the grooves. An edge groove may be cut into a ground-engaging edge of the cutting edge and hard tiles may be disposed therein. Additionally, a face groove may be cut into a corner of the cutting edge, within which hard tiles may be disposed. At the face of the cutting edge, distanced from the ground-engaging edge, a wear indicator groove may be cut and wear indicator tiles may be disposed therein. Furthermore, laser-clad abrasion resistant material may be provided on a face of the cutting edge to improve the wear resistance of the face. Further still, the corners of the cutting edge may be rounded at its end(s) to remove the sharp corners that wear faster than the rest of the cutting edge.

The embodiment of the invention discloses an excavator energy recovery method, equipment and a medium, belongs to the technical field of excavator regulation and control, and solves the problem of serious energy waste during rotation starting and rotation braking of an excavator. Comprising the steps of determining whether an excavator is in a rotation starting state or a rotation braking state based on excavator operation information; in the rotation starting state, according to the bucket adduction pilot pressure and / or the bucket rod adduction pilot pressure, adduction required energy is determined, and a rotation starting energy recovery strategy is matched based on the rotation motor pressure, the rotation starting motor overflow flow and the adduction required energy; and in the rotary braking state, according to the bucket eversion pilot pressure and / or the bucket rod eversion pilot pressure, eversion demand energy is determined, and the recycled energy is allocated based on the rotary motor pressure, the rotary braking motor overflow flow and the eversion demand energy.

An object of the present invention is to provide an information input system for a work machine capable of performing various kinds of settings of a work machine by using an information terminal while preventing an erroneous operation of the work machine. Therefore, in an information input system for a work machine including: a controller that is mounted on the work machine; and an information terminal that inputs information to the controller via communication, an input of the information from the information terminal to the controller is disabled in a case where the information terminal is located at a predetermined position in an operation room of the work machine.

An excavator management system includes an excavator configured to acquire state quantity information representing a state quantity of the excavator detected by a plurality of sensors; and a mobile terminal. The mobile terminal includes a communication control part configured to transmit, to the excavator, a request signal requesting the excavator to transmit the state quantity information.

A line and level determination system for a trenchless construction apparatus has a block assembly which is attached by welding to a lead casing to be installed with the trenchless construction apparatus. The block assembly has a water inlet, a water outlet, a tilt sensor and a light emitting device disposed within the water outlet. A water hose has a first end attached to the water inlet and a second end attached to a water source. The line and level determination system has a controller connected to the tilt sensor and the light emitting device. The controller selectively energizes the tilt sensor and the light emitting device. Data from the tilt sensor is displayed on a screen of the controller. A surveying instrument, such as a theodolite, may be utilized to determine line from the illumination of the light emitting device into the casing.

A method of controlling a work machine is a method of controlling the work machine provided with a machine body that moves according to an operation device operation and that is capable of changing an operation pattern which is a correspondence between the operation device operation and the machine body movement. The control method has presenting the operation pattern information, which shows the current operation pattern, at the time of switching from a state in which the machine body fails to move according to the operation device operation to a state in which the machine body moves according to the operation device operation.

A work machine control system is provided with an acquisition process unit and a limit process unit. The acquisition process unit acquires a detection result of an object around a machine body of a work machine in a state incapable of operating the work machine. The limit process unit creates a limit state capable of limitedly operating the work machine, when the detection result meets a predetermined condition and then a gate lock lever is so operated as to create a state capable of operating the work machine.

A working vehicle includes an electric storage device; a traction motor configured to propel the working vehicle and to generate electrical energy when braking; a hydraulic system including a hydraulic pump driven by a load motor, a hydraulic actuator and a control valve; and a control system. The control system is configured to determine a state of charge of the electric storage device; induce additional load on the hydraulic system by directing the load motor to drive the hydraulic pump and actuating the control valve to direct flow of hydraulic fluid to the hydraulic actuator when the state of charge is at or above a predetermined threshold.

To provide an image display system or the like capable of grasping a position in a depth direction in a two dimensional image.SOLUTION: There are provided a coordinate acquisition unit that acquires a position of an object as three dimensional coordinates with a depth direction as a first axis, a conversion unit that converts the three dimensional coordinates into a two dimensional image with the first axis and a second axis orthogonal to the first axis as coordinate axes, and a display unit that displays the two dimensional image in a display form according to coordinates of a third axis orthogonal to the first axis and the second axis. The display part displays the two dimensional image in a display color corresponding to the coordinate of the third axis as a display form.SELECTED DRAWING: Figure 1

A system and method are provided for facilitating safe transport of a work machine. During a transport stage for a work machine, wherein the work machine is positioned for transport with respect to a transport vehicle, a current effective height of the work machine is determined, for example relative to the ground surface. The current effective height may for example be based on a work implement assembly pose determined based on sensed relative positions of the various components. An intervention state for the transport stage may be determined based at least in part on the effective height of the work machine, for example by comparison to a threshold value, which may correspond to a minimum possible effective height for the type of machine. Output signals may be automatically generated to execute a specified intervention in a current transport plan, corresponding to the determined intervention state.

A retention system is for a wear part for a bucket for an earth moving machine. The retention system has in operational use: i) a bucket body having a trench; ii) a force multiplier having a shape substantially corresponding to a shape of the trench; iii) a wear part mounted to an edge of the bucket body, and iv) a plurality of bolts. The wear part and the force multiplier is provided with at least one protrusion and another one of the wear part and the force multiplier is provided with at least one matching recess such that relative movement between the wear part and the force multiplier in a lateral direction parallel to the first mutual interface is prevented, in operational use, for reducing shear forces acting on the bolts.

System and methods relate to over-the-air programming for a work machine. The system includes a connectivity module coupled to the work machine. The system also includes one or more processing circuits comprising one or more memory devices configured to cause one or more processors to: designate a desired software version; receive an indication of a software version installed on the work machine; based on the indication of the software version installed on the work machine, determine whether the work machine is eligible to receive the desired software version; send the desired software version to the connectivity module physically coupled to the work machine; after sending the desired software version to the connectivity module, send a command to initiate an installation of the desired software version from the connectivity module to the work machine; and cause the desired software version to install to the work machine via the connectivity module.

A construction machine includes processing circuitry and a transmitter. The processing circuitry is configured to obtain information on a work area in an area surrounding the construction machine. The transmitter is configured to transmit the information obtained by the processing circuitry to another construction machine in the area surrounding the construction machine.

The invention relates to the field of double-wheel milling and stirring drilling machines, and particularly discloses a double-wheel milling and stirring drilling machine for underground diaphragm wall grooving, which comprises a double-wheel milling and stirring drilling machine body, a drill rod lifting mechanism and a winch hoister, the drill rod lifting mechanism comprises a lifting frame assembly and a driving frame assembly, the driving frame assembly is fixedly installed on the lifting frame assembly through a screw rod, and the winch lifting machine is installed on the double-wheel milling and stirring drilling machine body and used for driving the drill rod lifting mechanism to move up and down. According to the double-wheel milling and stirring drilling machine, the lifting piece drives the driving piece to move up and down, so that the double-wheel milling and stirring drilling machine can flexibly switch working modes in the grooving operation: when the lifting piece drives the driving piece to move up, the upper group of roller pieces can be driven to rotate, so that the clamping frame piece stably clamps a drill rod, and the drill rod stably moves up and down in cooperation with a winch elevator; the position of the drill rod is accurately controlled; and when the lifting piece drives the driving piece to move downwards, the lower group of roller pieces can be driven to rotate, so that the guide frame piece guides the drill rod.

A work machine includes an implement that carries an object. A vision system detects the endpoints of the object relative to the implement and provides those endpoints to a damage avoidance control system. The damage avoidance control system generates control signals to avoid a collision between the object and a part of the work machine.

A construction machine includes a travel actuator, an attachment actuator, a storage, an information obtaining device, and a hardware processor configured to perform braking control of at least one of the travel actuator and the attachment actuator in response to determining that a dangerous situation is going to occur based on information obtained by the information obtaining device and information stored in a database in the storage.