47results 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.

A system for monitoring a tension in a track of a work machine includes one or more sensors coupled to the work machine. A sensor, of the one or more sensors, is configured to obtain a distance information related to a distance between the sensor and the track of the work machine. The sensor includes a pulse Radio Detection and Ranging (RADAR) sensor. The system includes a controller including at least one memory and at least one processor. The memory is configured to store an expected distance between the sensor and the track of the work machine. The processor is configured to determine an actual distance between the sensor and the track of the work machine, based on the distance information obtained from the sensor and determine, based on the actual distance being greater than the expected distance, that the tension in the track is below a tension threshold.

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).

This invention discloses a performance testing method for engineering rubber tracks. Using the rubber track—a walking component of engineering machinery—as the test object, the rubber track is installed on the engineering machinery device. Various walking routes, operations, and driving habits are simulated on working surfaces with different terrains, slopes, and hardness levels to test the rubber track. Under the same outdoor testing conditions, two rubber tracks on the same engineering machinery are compared to characterize the influence factors of different product designs, different formula designs, different working conditions, or different driving habits on the service life of engineering machinery rubber tracks, providing strong data support for the development of high-performance rubber track products.

A method of measuring a track is provided that has a code spaced from a worn tread surface in a thickness direction. Visual data is obtained from the track and the code, and from this visual data a length of the code is determined. The code is located between the worn tread surface and a point, and a length of a position of the code extends from the point to the code. A worn tread surface to code length is determined using the visual data. A worn thickness is calculated by adding the length of the position of the code to the worn tread surface to code length.

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.

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.

A system for monitoring at least one physical characteristic of an endless track includes a sensor removably received within the endless track and at least one probe received within the endless track. The sensor is adapted for wireless communication with a receiver. The at least one probe is adapted for operative communication with the sensor, and for detecting the at least one physical characteristic of the endless track and conveying the at least one physical characteristic to be sensed by the sensor. An endless track having a housing embedded in one inner lug is also provided. The housing includes a receptacle received in the inner lug and a lid removably connected to the receptacle for selectively providing access to an interior of the receptacle. The sensor is receivable in the housing. A method for assessing a secondary physical characteristic of an endless track is also provided.

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 invention relates to the field of engineering machinery and the technical field of automatic driving test, and discloses a portable automatic driving test platform of a crawler-type engineering van, which comprises a main frame, a chassis assembly is assembled at the bottom of one end of the main frame, and a front scraper knife assembly is fixedly arranged at the front part of the chassis assembly. Two sets of electric push rods are fixedly assembled on the two sides of the front scraper knife assembly, connecting and fixing supports are connected to the two sides of the rear portion of the front scraper knife assembly, a battery support is installed at the bottom of the main frame, and five different electric appliance installation plates are assembled in the middle of the main frame. The driving wheel drives the crawler belt to rotate through power output by the servo motor and the speed reducer, so that a vehicle runs, the riding wheel and the tensioning wheel are used for keeping the tensioning degree and stability of the crawler belt, and it is ensured that friction force between the crawler belt and the ground can be normally transmitted and play a role. The problems that in an existing engineering vehicle, a driving system is mainly driven by an engine, so that the engineering vehicle is large in size, large in weight and not environmentally friendly, a controller interface is not opened, an automatic driving control sensor is inconvenient to install, and technical research and development tests of automatic driving of the engineering vehicle are not facilitated are solved.

The utility model relates to the technical field of track abrasion testing, and discloses a track abrasion testing device which comprises an operation table, one end of the top of the operation table is fixedly connected with a fixed installation block, a servo motor is arranged on the rear surface of the fixed installation block, and the output rear end of the servo motor penetrates through the interior of the fixed installation block. The surface of the fixed mounting block is movably connected with a driven wheel through a T-shaped positioning rod, and the outer side of the surface of the driving wheel and the outer side of the surface of the driven wheel are sleeved with a connecting belt. According to the crawler belt, a single-section crawler belt can be installed through the arranged connecting and installing mechanism and the arranged connecting and adjusting mechanism, and meanwhile the connecting and adjusting mechanism can adjust the height of the friction block, so that the crawler belt body can make contact with the friction block when running along with the connecting belt and the connecting and installing mechanism; the crawler belt abrasion testing device is simple in structure and convenient to operate.

The present invention belongs to the technical field of strength detection, and relates to a crawler strength detection device and method. The present invention includes a detection frame, a torsional stretching component, an immersion tank, stretching rollers, positioning rollers, a hammering component, a driving component, etc. provided on the detection frame. It can realize static stretching detection, dynamic stretching detection, torsional stretching detection, impact condition detection, rotational load detection and muddy water immersion load detection of the crawler body. Moreover, on the basis of static stretching detection or dynamic stretching detection, it can combine one to four of the four detection methods of torsional stretching detection, impact condition detection, rotational load detection and muddy water immersion load detection for combined detection, which can simulate the working conditions of the crawler under different working scenarios, comprehensively detect the fatigue performance of the crawler under various complex stress conditions, and ensure the reliability of the crawler in actual use.

The machine (100) and the method utilize a tracked undercarriage (101) comprising a frame (201) comprising a central body (202), a front transverse assembly (203a) and a rear transverse assembly (203b) connected to the central body (202) and extending on two opposite sides. There are also a pair of lateral tracks (204, 205), each one of said tracks being connected, at the front and at the rear, to the ends of the transverse assemblies (203a, 203b). It is envisaged that the base machine (102) comprises excavation equipment (103, 104, 105, 06) adapted to take different working positions or configurations. The tracked undercarriage (101) further comprises a pair of front load cells (208), one mounted between a lateral track (204) and the front transverse assembly (203a), and the other mounted between the other lateral track (205) and the front transverse assembly (203a). There are also a pair of rear load cells (208), one mounted between a lateral track (204) and the rear transverse assembly (203b), and the other mounted between the other lateral track (205) and the rear transverse assembly (203b). Each one of the load cells (208) is configured for detecting force data ( Fantdx, Fantsx, Fpostdx, Fpostsx) indicative of the reaction force exerted between the associated lateral track (204, 205) and the respective transverse assembly (203a, 203b). The machine further comprises a control system (CPU) configured for computing a barycentre planar position (XG, ZG) of the machine (100) situated substantially at the level of a reference plane (X- Z). The barycentre planar position (XG, ZG) is computed as a function of the force data ( Fantdx, Fantsx, Fpostdx, Fpostsx).

The application discloses a kind of climbing performance testing devices of tracked vehicle comprehensive transmission system, it relates to tracked vehicle performance testing technical field, including: placement groove, open in ground, and the placement groove is also provided with the position avoidance groove;Side plate, symmetrically arranged in the placement groove, and its horizontal placement height is pre the ground flush, and the side plate bottom one end is hinged with the placement groove bottom by hinged shaft;Hydraulic cylinder, one end is hinged in the position away from the hinged shaft of the side plate, the other end is hinged in the position avoidance groove;Test assembly, one end is slidably arranged on the side plate, and at least two sets of test assemblies are provided on one side plate, and the other end is connected with the pivot of track.

Track systems, methods of controlling a track system and methods of calibrating track systems are disclosed. The track system for a vehicle includes a frame, a first component and a second component connected to the frame, and a sensor device directly connected to the first component and not directly connected to the second component. The sensor device is configured to capture a sensor signal indicative of a first operational parameter of the first component, and the sensor signal is to be used for indirectly determining a second operational parameter of the second component.

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 utility model discloses a fatigue test device for a guide wheel tensioning mechanism, which relates to the technical field of test devices and comprises a base station, four support legs distributed in a rectangular manner are fixedly connected to positions, close to four corners, of the lower side of the base station, and an adjusting mechanism is rotatably connected to the bottom of the inner side of the base station. A testing mechanism is movably installed at the position, close to the right side, of the upper side of the base table, and two righting mechanisms which are symmetrically distributed front and back are slidably connected to the outer side of the adjusting mechanism. According to the fatigue test device of the guide wheel tensioning mechanism, the worm is rotated to enable the structure columns on the front side and the rear side to move in the opposite directions in the front-back direction, so that the distance between the two righting mechanisms is adjusted, and the righting mechanisms can be adjusted when the righting mechanisms face the guide wheel supports of the tensioning mechanisms of different specifications and sizes; and the problems that the straightening mechanism cannot be in direct contact with the guide wheel or the distance between the straightening mechanism and the guide wheel is too small, and the tensioning mechanism is difficult to place are solved.

The invention discloses a crawler-type amphibious vehicle power transmission system performance test platform and a crawler-type amphibious vehicle power transmission system performance test method. The test platform comprises a test bench main control system, and an electric dynamometer, a bevel gear box, an air inlet air conditioner, an oil supply system, a low-voltage power supply and control system, a smoke exhaust system, a data acquisition system and a seawater simulation device which are connected with the test bench main control system through a bus. The air inlet air conditioner, the oil supply system, the low-voltage power supply and control system, the smoke exhaust system and the data acquisition system are all connected with a tested power transmission system engine and an auxiliary system thereof; when an onshore working condition simulation test is carried out, the two electric dynamometers which are oppositely arranged are respectively connected with the power output end of an onshore transmission box of a tested power transmission system; when an overwater working condition simulation test is carried out, the two electric dynamometers which are oppositely arranged are respectively connected with the power output end of the overwater transmission box of the tested power transmission system through the bevel gear boxes, and meanwhile, the seawater simulation device cools the tested power transmission system. According to the invention, land driving conditions and water driving conditions can be simulated, and output characteristics of the power transmission system can be obtained.

Systems, apparatus, computer program products, and methods may 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 tracked machine (110) using images captured by a camera (212) of a mobile electronic device (114). The determined distance between the pair of indicia (300) may represent a track pitch extension, which may be used to determine wear of the track assembly (116).

Detection of Sprocket Segment Wear Based on Machine Drivetrain Data The controller (140) may receive machine drivetrain data from the sensor device (120) of the machine (100) indicative of a load on the drivetrain of the machine over a period of time. The controller (140) may detect that one or more occurrences of reduced load have occurred during a period of time based on the machine drivetrain data. The controller (140) may determine that the one or more occurrences of reduced load are unexpected. The controller (140) may detect wear on a component of an undercarriage of the machine (100) based on determining that the one or more occurrences of reduced load are unexpected. The controller may cause an action to be performed based on determining the wear on the component.

A system for monitoring tension in a track of a work machine includes one or more sensors coupled to the work machine. A sensor of the one or more sensors is configured to obtain distance information related to a distance between the sensor and the track of the work machine. The sensor includes a pulsed radio detection and ranging (RADAR) sensor. The system includes a controller including at least one memory and at least one processor. The memory is configured to store an expected distance between the sensor and the track of the work machine. The processor is configured to determine an actual distance between the sensor and the track of the work machine based on the distance information obtained from the sensor, and determine that the tension in the track is below a tension threshold based on the actual distance being greater than the expected distance.

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.