17results about "Vehicle endless-track testing" patented technology

A method, a device, and a system for contactlessly measuring wear of one or more components of an undercarriage assembly of a work machine are disclosed. For example, a method includes identifying a component to be measured for wear by a wear measuring device comprising a first sensor and a second sensor; based on the component, selecting component information associated with the component for the wear measuring device; simultaneously measuring: by the first sensor configured based on the component information, a first wear distance from the first sensor to a first measurement surface of the component, and by the second sensor configured based on the component information, a second wear distance from the second sensor to a second measurement surface of the component, and determines a wear level of the component based at least in part on the first wear distance and the second wear distance.

Device for online diagnosis of faults in drive train components of a mobile working machine, comprising: o an anomaly detection unit (101) designed to detect an atypical behavior of at least one operating parameter (OP) of the powertrain components; a first test unit (102) connected to the anomaly detection unit (101), which is configured to check whether the detected atypical behavior can be attributed to a known fault behavior; characterized by a second test unit (104) connected to the first test unit (102), which, if the fault behavior is classified as unknown, is configured to check in a fault database whether data on this unknown fault exists; and o a recording and storage unit (106) connected to the second test unit (104), which is designed to store the course of the anomalous operating size (BG) in the fault database if no data is yet available for the unknown fault.

Systems, apparatuses, computer program products, and methods can determine a distance between a pair of markers (300) removably coupled to a pair of non-adjacent joints (117) on a track assembly (116) of a track-type machine (110) using imaging captured by a camera (212) of a mobile electronic device (114). The determined distance between a pair of markers (300) can be representative of a track pitch extension, which can be used to determine wear of the track assembly (116).

The system, apparatus, computer program product, and method can use imagery captured by a camera (212) of a mobile electronic device (114) to determine the distance between a pair of markers (300) removably coupled to a pair of non-adjacent joints (117) on a track assembly (116) of a track-type machine (110). The determined distance between the pair of markers (300) can represent a track pitch extension that can be used to determine wear on the track assembly (116).

Provided is a performance measuring and diagnosing device that can more appropriately diagnose the state of a machine based on a frequency analysis result acquired from the state information of the machine. A performance measuring and diagnosing device for a machine according to the present invention includes an information acquisition section, an information preprocessing section, a frequency feature distinguishing section, a frequency feature estimating section, a performance measuring and diagnosing section, and a display section. The information acquisition section acquires state information of the machine. The information preprocessing section preprocesses the state information acquired by the information acquisition section. The frequency feature distinguishing section executes frequency analysis on the data after preprocessing by the information preprocessing section to distinguish between a state frequency feature candidate and a frequency feature indicating noise. The state frequency feature candidate is a candidate for a frequency feature indicating a state of the machine. The frequency feature estimating section estimates the frequency feature corresponding to the state of the machine from among the state frequency feature candidates based on the state frequency feature candidate and the frequency feature indicating noise. The performance measuring and diagnosing section identifies a feature based on a number and a position relationship of the frequency features estimated by the frequency feature estimating section and diagnoses the state of the machine. The display section displays the diagnosed state of the machine on a screen.

To enable tire testing to be performed with particularly high reliability, a support unit for a tire testing stand is provided. [Solution] The support unit (3) comprises a support unit (21) and a coating unit (23). The support unit comprises an inlet portion (25) defining an inlet opening (27) and a number of outlet portions. Each outlet opening (31) is connected to the inlet opening such that when pressurized gaseous fluid flows into the inlet opening, the pressurized gaseous fluid flows out from each outlet opening. The coating unit comprises a number of passage portions. Each passage portion (33) defines a passage opening (35). When pressurized gaseous fluid flows out of an outlet opening, the outlet openings and the passage openings assigned to the outlet openings are arranged relative to each outlet opening such that the gaseous fluid flowing out of the outlet opening passes through the passage openings assigned to the outlet openings.

The present application relates to the technical field of deep-sea mining, in particular to a track-type ore collecting vehicle walking performance test method based on intelligent carving of seabed topography. The track-type ore collecting vehicle walking performance test method based on intelligent carving of seabed topography has the following steps: (1) drilling and sampling in-situ on the seabed of deep sea, analyzing mineral composition and determining particle size distribution, and determining basic physical and mechanical properties by in-situ test; (2) preparing seabed soil sample similar materials for laboratory simulation test; (3) making model test box and scaled ore collecting vehicle; (4) designing various experimental simulation terrains; (5) using intelligent robot to control intelligent paving mechanical arm and intelligent carving mechanical arm to carry out additive paving and subtractive cutting; additive paving is mainly used for automatic paving of seabed soil sample similar materials, and subtractive cutting is mainly used for cutting and machining of special hard rock terrain.

The utility model discloses an excavator anti-falling chain testing device, which comprises a shell, a testing base is arranged in an inner cavity of the shell, two groups of testing mechanisms are arranged at the bottom of the inner cavity of the shell, each testing mechanism comprises a driving assembly, a special-shaped block conversion assembly is arranged at the top end of each driving assembly, and the special-shaped block conversion assembly is connected with the testing base. The conversion assembly is provided with a plurality of special-shaped blocks, and the test base is provided with through holes for the special-shaped blocks to pass through. The shell is provided with a through hole, each special-shaped block can independently penetrate through the through hole, supporting strips are welded to the wall of an inner cavity of the shell, and the two ends of the testing base are lapped on the two supporting strips respectively. The excavator testing device relates to the technical field of excavator testing, and the positions and the heights of the special-shaped blocks can be adjusted through the two electric push rods; therefore, the stress strength and the breaking point are tested; and the special-shaped block in the corresponding shape is rotated to the top, so that the special-shaped block can be quickly replaced, and the special-shaped block is more quickly replaced.

The invention relates to a device for checking the chassis geometry of a chain- or belt-driven vehicle, the device comprising a housing and means for emitting a first laser beam, said means being disposed in the housing. In order to provide a device according to the preamble that makes it possible to easily and quickly check the chassis geometry, according to the invention the housing comprises means for securing the device on a chain or a belt of the chain- or belt-driven vehicle. According to the present invention, the device is supported by the drive element of the chain- or belt-driven vehicle, i.e. by the chain or the belt. The housing is preferably mounted near the sprocket or pulley. The first laser beam exits the (for example, cylindrical) housing at an end of the housing and runs along the top side of the chain or belt on which the housing is mounted.

Fault prediction of components of a track assembly by a direct oil contact sensor device In some embodiments, one or more devices (178, 180) can determine whether an electrical circuit is closed or open, the electrical circuit includes an electrode (330) of a sensor device (180), the electrical circuit is closed based on the electrode (330) being immersed in a lubricant within a cavity of a component of a track assembly (170, 172, 174, 176, 178) of the machine, and the electrical circuit is open based on the electrode (330) not being immersed in the lubricant within the cavity. One or more devices (178, 180) may generate sensor data indicating that the level of lubricant within the cavity does not meet a level threshold based on determining that the electrical circuit is open. One or more devices (178, 180) may cause the machine (100) to perform an action based on the sensor data indicating that the level does not meet the level threshold.

The present disclosure provides a track performance test device and a test system. The track performance test device comprises: a power input device configured to be connected with one of the track drives to apply a first load for simulating driving force for making the track travel; a bearing device comprising two bearing parts arranged side by side, each bearing part is configured to support one track, and at least one bearing part comprises a load simulation device configured to apply a second load for simulating ground resistance to the track; and a detection device configured to obtain performance data of the tracked chassis, the performance data comprising temperature data and / or wear data of the track. The track performance test system comprises: a housing space; a track performance test device; and a temperature adjusting device. The present disclosure can obtain more accurate test data of track performance.

One or more techniques and / or systems are disclosed for identifying field conditions of a field. Site conditions of a target site affecting machine sink can be identified using real-time or historical data. Soil conditions, weather conditions, moisture levels, and other factors may be used to determine whether a target site may result in machine sink of a target piece of equipment. The machine sink information can be identified for a target area, that comprises a target site, and a machine sink map can be generated for the site. Target equipment specifications can be used to determine whether the target equipment may effectively traverse the target site based on the machine sink map. Further, a travel path may be generated for a piece of target equipment based on the machine sink map, site conditions, and the equipment specifications.

The utility model relates to a creeper tread assembly interference detection device, and belongs to the technical field of creeper tread detection devices. The device comprises a rack, a driving wheel, a safety rope and a guide wheel, a track shoe placing platform is arranged on the rack, the driving wheel is rotatably arranged at the right end of the rack, the guide wheel is rotatably arranged at the left end of the rack, and the axis of the driving wheel and the axis of the guide wheel are horizontally arranged in the front-back direction. The driving wheel is provided with a driving mechanism for driving the driving wheel to rotate; a driving gear is coaxially and fixedly arranged on the driving wheel, and the driving gear is used for being matched with the track shoe assembly to form a gear and rack transmission structure; a rope winding groove is formed in the peripheral face of the driving wheel, one end of the safety rope is fixedly connected with the rope winding groove and wound in the rope winding groove, and the other end of the safety rope is used for being connected with the track shoe assembly after bypassing the guide wheel. According to the utility model, whether multiple groups of assembled track shoes interfere with each other or not can be effectively detected in advance, and the assembly efficiency is improved.

A method (400), a device (200), and a system (700) for contactlessly measuring wear of one or more components of an undercarriage assembly of a work machine are disclosed. For example, a method (400) includes identifying (402) a component to be measured for wear by a wear measuring device (200) comprising a first sensor (208) and a second sensor (210); based on the component, selecting (404) component information associated with the component for the wear measuring device (200); simultaneously measuring (406): by the first sensor (208) configured based on the component information, a first wear distance (244) from the first sensor (208) to a first measurement surface of the component, and by the second sensor (210) configured based on the component information, a second wear distance (248) from the second sensor (210) to a second measurement surface of the component, and determines (408) a wear level of the component based at least in part on the first wear distance (244) and the second wear distance (248).

Methods for wear monitoring on tracked running gears of mobile machines, in which the chain is driven via at least one drive shaft by a drive motor via a mechanical gearbox or directly, characterized by that the clearance between the teeth of the chain and the teeth of the drive sprocket is determined, for which purpose the path of the teeth during the starting movement is determined by a rotation angle measurement at the drive motor or at the mechanical transmission, wherein the rotation angle results between the beginning of the relative movement of the teeth with respect to the teeth on the chain and its end by the contact of the teeth of the drive sprocket and the teeth on the chain, which is determined by the fact that the torque at the drive motor or at the mechanical transmission increases sharply or the rotational speed decreases sharply, and that repeated measurement of the play indicates wear on the drive shaft and chain from an increase in the play.

The application relates to the technical field of engineering machinery, and discloses a caterpillar belt loosening testing device which comprises a to-be-tested part, a placing table, a force applying structure, a resetting part and a detection unit. The to-be-tested part comprises a first caterpillar belt joint and a second caterpillar belt joint, the first caterpillar belt joint is hinged with the second caterpillar belt joint to form a hinge part, the placing table is suitable for supporting the to-be-tested part and enabling the to-be-tested part to have a flat state and a curved state, in the flat state, the first caterpillar belt joint and the second caterpillar belt joint are both horizontal, in the curved state, the first caterpillar belt joint and the second caterpillar belt joint are inclined downward and the hinge part is driven to move towards the placing table, the force applying structure is suitable for driving the to-be-tested part to move from the flat state to the curved state, the resetting part is suitable for driving the to-be-tested part to reset from the curved state to the flat state, and the detection unit is suitable for detecting the attenuation state of bolts on the first caterpillar belt joint and the second caterpillar belt joint in the curved state and / or in the to-be-tested part state conversion process.