202 results about "Mechanical elements" patented technology

The invention relates to the technical field of intelligent control, in particular to a dynamic shelf level intelligent scheduling system. The system comprises a goods shelf distribution module, a mechanical element friction optimization module, a goods gravity center shift evaluation module and a goods handling simulation module. Obtaining storage structure data, and carrying out dynamic shelf storage space detection to obtain dynamic shelf storage space data; obtaining cargo information; performing cargo shelf distribution simulation according to the cargo information and the dynamic shelf storage space data to obtain cargo shelf distribution data; performing electric push rod stroke anomaly detection according to the goods shelf distribution data to obtain electric push rod stroke anomaly data; based on the abnormal stroke data of the electric push rod, driving motor locked-rotor detection is carried out to obtain driving motor locked-rotor data; and performing mechanical element friction optimization according to the locked-rotor data of the driving motor to obtain element friction optimization data. The warehousing operation efficiency and the system operation stability are improved based on the intelligent control technology.

A dendrometer, comprising a single mechanical element functionally holds a sample under test via a spring-element in the element that draws two arms firmly against the sample. The spring section of the single mechanical element can be serpentine, or any other shape providing the desired spring constant and range of motion. The one or more spring members extend between the first frame member and the second frame member, wherein the one or more spring structures are nonrigid (extensible and compressible) such that the second frame member is movable relative to the first frame member. The dendrometer comprises a toothed socket on an end of each arm to allow adjustment of the range of clamping. In at least one example, a magnet or actuator attached to one arm, and a Hall effect or other positional sensor, is attached to the alternate arm.

The invention discloses a voice-driven mechanical element modeling method and system. A user inputs a natural language instruction containing a design intention into the CAD system through voice, and the natural language instruction is analyzed into a structured operation instruction; meanwhile, selecting a reference model, generating a geometric code corresponding to each surface based on a local geometric attribute corresponding to each surface of the model, and constructing a geometric structure coding matrix; predicting each machining surface in the machining features by using the machining surface prediction network to obtain a sequence formed by all machining surface IDs of the machining features in sequence, and recording the sequence as a machining surface ID sequence; and finally, executing API (Application Program Interface) calling of the CAD platform, and finally obtaining a model of the target mechanical element. According to the method, by connecting the high-level design intention and the bottom-level geometric operation of a designer, the tedious interaction and cognitive burden caused by manual selection and operation of low-level geometric elements (points, edges and surfaces) in traditional direct modeling is avoided, and the design efficiency is remarkably improved.

The invention discloses a four-element model for modulus and creep of concrete under the action of long-period cyclic loading and a parameter determination method of the four-element model. The model simulates behaviors of concrete under the action of long-period cyclic load through four mechanical elements connected in series, and the four mechanical elements comprise an instantaneous elastic deformation element with rigidity increasing along with time, a recoverable creep viscoelastic element, an unrecoverable compression creep element and an unrecoverable tension creep element. According to the method, in order to overcome the difficulty that the available sample size of an application object is small, a step-by-step progressive mode is adopted, and classification and staged parameter calibration is carried out on the concrete modulus and a creep model of the application object.

The invention relates to an inductive linear displacement sensor arrangement (1) for a vehicle, comprising at least one movable electrical coupling device (10) that can be coupled to a movable body and which includes a slider (17) with an electrically conductive target (12), and a circuit carrier (3), wherein the circuit carrier (3) has an excitation structure (4) and a receiving structure (5) which extend along a movement path of the at least one electrical coupling device (10), wherein an evaluation and control circuit (7) arranged on the circuit carrier (3) is configured to evaluate at least one measurement signal induced in the at least one receiving structure (5) and to determine the current position of the at least one electrical coupling device (10) and the movable body, wherein the at least one movable electrical coupling device (10) can be mechanically coupled to the movable body via a drive arrangement (14).wherein the drive arrangement (14) comprises a spring-elastic first mechanical coupling element (16) connected to the slider (17) and a second mechanical coupling element (30) connected to the movable body, wherein the spring-elastic first mechanical coupling element (16) is designed to be fitted onto the second mechanical coupling element (30) and, in the fitted state, to exert a spring preload on the second mechanical coupling element (30).

The subject matter of the invention relates to a method for the automatic technical diagnosis of rotating machines, including detection of faults in rotating machines, in particular vibration measurements of rotating machines by the automatic detection of changes in the signals of machine vibration. The method consists in that monitoring and diagnosis are performed in terms of identifying both the assemblies or parts of an object of the rotating machine subjected to the diagnosis, in such a way that vibration data are recorded in the form of a vibration signal from at least one vibration sensor (2) mounted on the housing of the mechanical elements of the rotating machine (1), wherein each subsequent vibration signal is recorded at the same length and at the same sampling frequency. Then, collected vibration signals are processed in a vibration data acquisition unit (3) equipped with a reductive-redundant mechanism (4) by means of which the vibration signal is modified by calculating the values of spectral components in the domain of frequency or orders and the values are segmented relative to subsequent tested spectral resolutions on the basis of current scale of class intervals. Then, an averaged spectrum is calculated and added to the state matrix and a statistical measure of the comparison of spectral amplitudes is calculated for individual class intervals at the standard score measure and the procedure is repeated for each tested spectral resolution in the range from the value equal to the inverse of the vibration signal length to half the sampling frequency. Finally, the results of the vibration growth index are saved, then are sorted from the highest to the lowest value thus allowing the potential occurrence of a fault to be determined in terms of identifying both a specific assembly or part of the rotating machine (1).

The connection device (100) is for an electrified guide (200) lighting system; the electrified guide (200) provides one longitudinal groove (210) and the connection device (100) is adapted to be inserted into the electrified guide (200); the device comprises a mobile command device (150, 160) and at least a mechanical element (22, 145, 147) and / or at least an electrical contact (148); an actuation of said mobile command device (150, 160) causes the exit of said at least a mechanical element (22, 145, 147) and / or of at least one electrical contact (148) from a side of a casing (130) of the connection device (100); the mobile command device comprises a sliding slider (150), a translating rod (152), and at least a first rotating body (144, 190); a sliding of said slider (150) causes a translation of said rod (152) and a rotation of said first rotating body (144, 190).

The utility model discloses an expansion sleeve diaphragm type high-torque high-rotating-speed flexible high-precision main shaft connecting device, which relates to the technical field of couplings and comprises a stainless steel diaphragm, and two sides of the stainless steel diaphragm are connected with side section outer cones; a side section inner cone is mounted on the outer side of the side section outer cone in a matched manner; the conical holes in the inner sides of the side section inner cones extrude the elastic cones inwards, so that the elastic cones and the shaft are tightly held and fixed, as the elastic cones are the four elastic die petals, the shafts with different diameters can be locked and fixed, the structure is simple, and the use is flexible; due to the fact that the stainless steel membranes are made of stainless steel, and the multiple membranes are used in a stacked mode, high elasticity and torsional rigidity are achieved, reliable power transmission and positioning functions can be provided, the membranes can absorb vibration and impact and compensate radial, angular and axial deviations, other mechanical elements are effectively protected, and the service life of the membrane is prolonged. The service life of the coupler is prolonged.

A system (100) for anomaly detection in an industrial drivetrain (104) comprising various mechanical elements driven by a three-phase electrical motor (102). The system comprises a sensor system (101) for obtaining electrical current and voltage waveform data by measuring electrical currents and voltages at the three-phase motor, and a computing system. The electrical waveform data contains frequency components relating to vibrations of mechanical elements of the drivetrain. The computing system performs the following steps: processing the electrical waveform data to obtain related frequency spectra, thereby enhancing traceability of the frequency components; combining the frequency spectra into a combined frequency spectrum, thereby further enhancing traceability of the frequency components; forming a spectrogram by monitoring the combined frequency spectrum over time; and tracing the frequency components in the spectrogram for anomaly detection of the related mechanical elements of the industrial drivetrain.

The utility model relates to a calibration device for a fabric length measuring instrument, and the device comprises a connecting part which is used for fixedly connecting the fabric length measuring instrument; the rotating part is rotationally arranged on the connecting part, is used for synchronously moving with the measuring instrument and is provided with a driving force; and the encoder is connected with the connecting part and is in transmission connection with the rotating part. According to the utility model, a plurality of mechanical elements are combined into a whole through the matching of the connecting parts, the whole can be quickly connected to the measuring instrument in the process of realizing calibration, and the parameter measurement of the measuring instrument can be quickly completed through the matching of the rotating part and the encoder, so that the quick calibration is realized; and in addition, the device has the advantages of being convenient to carry and easy to install, so that the actual use process can be better facilitated.

The utility model provides a chainless folding bicycle with front pedals, which comprises a steering handle, a saddle, the pedals, wheels and a bicycle body support connected with the bicycle, the bicycle body support comprises a triangular fixing support, and the lower part of the triangular fixing support is connected with a front wheel through a front wheel support frame; the triangular variable bracket comprises a rear wheel connecting rod and a folding adjusting rod; one end of the rear wheel connecting rod is rotationally connected to the top of the triangular fixing support, and the other end of the rear wheel connecting rod is connected with a rear wheel. One end of the folding adjusting rod is rotationally connected to the rear wheel connecting rod, and the other end of the folding adjusting rod is connected to the lower portion, close to the bottom, of the triangular fixing support in the using state and connected to the top of the triangular fixing support in the folding state. Unfolding and folding of the bicycle are completed in an approximate plane, a large number of mechanical elements are saved, and the bicycle is simple and stable in structural design and high in bearing capacity.

An exercise apparatus configured to provide spotting of a user during resistance exercises The present invention includes a frame wherein the frame comprises a plurality of vertical and horizontal support members operably coupled via mechanical elements. Barbell guide rod members extend between the upper and lower horizontal support members of the frame and have a barbell slidably coupled thereto. A peg assembly is provided wherein the peg assembly is configured to be releasably coupled into one of a multitude of apertures present in the vertical support members. The peg assembly includes a U-shaped support member having peg members operably coupled thereto wherein the peg members extend outward from the U-shaped support member. The peg assembly further includes a lower support member integrally formed with the U-shaped support member. The present invention employs a counterweight assembly that is operably coupled to the barbell providing assistance with moving weight thereon.

To provide a rotary jig that makes it possible to hold and rotate a fastening component such as an eyebolt, another mechanical element having an annular head, or a fastener, as a target object, with good workability and in a stable state.SOLUTION: A rotary jig 1 comprises: a shank 10 which is rotatable by an external force applied from one end side thereof; and a hook 20 which is provided on the other end side of the shank 10 and on which a target object is to be hooked. The rotary jig 1 rotates the target object in accordance with a rotary force applied to the shank 10. The hook 20 has groove(s) 22 and / or 23 that is / are formed along the surface shape of the target object on a surface facing the target object which rotates in accordance with rotation of the hook 20 when the hook rotates with the target object hooked thereon.SELECTED DRAWING: Figure 1

Implantable medical devices are disclosed herein, having a biocompatible housing; a driver of rotational motion; a receiver of rotational motion; and an interface configured to transfer torque from the driver to the receiver. In various embodiments, the interface comprises magnetic, mechanical, or magnetic and mechanical elements for transferring torque.

The present invention relates to a mechanical system (1) comprising movable mechanical elements (6) to be lubricated or cooled in a casing, the mechanical system (1) having a lubrication system (10) provided with a reservoir (7) containing a lubricating fluid (4), the lubrication system (10) having a main fluid circuit (101) extending from the reservoir (7) to a fluid projection circuit (12), the main fluid circuit (101) having a flow generator (11), a mechanical filter (25), and a magnetic plug (80). The main fluid circuit (101) comprises a magnetic filter (30) crossed by the lubricating fluid (4) between the reservoir (7) and the fluid projection circuit (12), the magnetic filter (30) comprising at least one magnetized wall (32). Abstract figure: figure 1

Agricultural machines and implements have a need to adapt to changing environments. A closing system for an agricultural machine has a need to adapt to changing ground surface. The closing system includes a closing device pivotably connected to the agricultural machine, a passive mechanical element that is operable to apply an initial amount of force to the closing device, and an actuator that is operable to apply an actuator force to the passive mechanical element to increase the amount of force that the passive mechanical element applies to the closing device. The actuator can be a linear actuator having an adjustable stroke length to vary the amount of actuator force applied to the passive mechanical element. The passive mechanical element is operable to absorb a shock force as the closing device traverses a ground surface. The passive mechanical element includes one or more springs adjacent the actuator.

An actuator system includes one or more mechanical elements and a temperature radio frequency identification (RFID) tag connected to at least one of the one or more mechanical elements. The temperature RFID tag includes an RFID tag connected to a temperature sensitive element, the temperature sensitive element including: a first contact; a second contact; and a conductive path between the first contact and the second contact. The conductive path creates an electrical path between the first contact element and the second contact element when in a normal operating state, and does not create an electrical path between the first contact and the second contact when in an over-temperature state. The RFID tag is connected to the first contact and the second contact such that the RFID tag does not transmit information when the temperature sensitive element is in the normal operating state and the RFID tag transmits information when the temperature sensitive element is in the over-temperature state.

The utility model discloses element manufacturing equipment for hydraulic power machinery, which comprises a working table, a positioning mechanism is arranged above the working table, a rack is fixed on one side above the working table, an electric sliding rail is fixed above one side of the rack, a sliding seat is mounted on one side of the electric sliding rail, and a positioning mechanism is arranged on the other side of the working table. A driving motor is installed above the sliding seat, and a machining head is installed at the output end of the lower portion of the driving motor; according to the element manufacturing equipment for the hydraulic power machine, through cooperative use of the shielding mechanism, fragments can be splashed during machining of the machining head, the fragments can be effectively blocked through the shielding plate and prevented from hurting operators, meanwhile, diffusion of sweeps is reduced, and the machining efficiency is improved. According to the automatic opening and closing device, much dust is prevented from being generated in the hydraulic power mechanical element manufacturing process, the toothed bar can be driven to stretch out and draw back under the action of the air cylinder, then the gear is controlled to rotate, automatic opening and closing of the shielding plate are achieved, and manual operation of workers is not needed.

The invention discloses an inflatable cushion sample simulation modeling method, device and equipment, a medium and a product, and relates to the technical field of industrial automation. The method comprises the steps that after a two-dimensional drawing of the inflatable cushion is input, geometric features of the drawing are obtained firstly, then mechanical element feature points and dual point pairs of the drawing are determined according to the geometric features, and an uninflated model corresponding to the drawing is generated according to the mechanical element feature points; and finally, writing the mechanical characteristic tree data set and the mesh grid data of the uninflated model into tree data, and importing the tree data and the dual point pair group into a physical arithmetic unit based on a mechanical engine to obtain an inflatable cushion sample three-dimensional model corresponding to the drawing. In this way, the input two-dimensional vector lines can be converted into the classified function point element set, a 3d model with a small difference from a real proofing form is generated through simulation of a mechanical engine, then the three-dimensional model of the inflatable cushion sample can be rapidly and accurately obtained for subsequent testing, and subsequent entity proofing is facilitated.

The invention relates to a clamping adapter for clamping a component, a machine element for clamping a clamping adapter that can clamp a component, clamping systems for clamping a component on a machine element of a processing and / or measuring machine and a processing and / or measuring machine for processing and / or measuring a component as well as methods for clamping or releasing a component on a machine element of a processing and / or measuring machine. According to the invention, it is provided that when clamping or releasing the component on a clamping adapter by actuating a clamping mechanism - having a first clamping device for clamping or releasing the component on the clamping adapter and a second clamping device for clamping or releasing the clamping adapter on the machine element - when clamping or releasing the component on the clamping adapter, the clamping adapter itself can also be clamped or released on the machine element by actuating the clamping mechanism.

The automatic registration and color adjustment system includes a can decorator comprising at least several plate cylinders and several inking stations, several sensors, and an automatic registration and color adjustment device communicatively coupled to the can decorator, the several sensors, and the several temperature control elements. The automatic registration and color adjustment device is configured to receive outputs from at least several sensors, determine that adjustments should be made to the can decorator based on those outputs and previous adjustment information, and control the can decorator to make the determined adjustments.

Externally mounted, twin-spindle screw pump with attachable feed screws (6), characterized in that the shafts (1, 2) have only a single outer diameter over their entire length and all machine elements (3, 4, 5, 6, 7, 8) to be mounted on these shafts (1, 2) have the nominally same inner diameter.

The clamping strategy of an electromechanical brake depends on an already existing hydraulic pressure, in order to adjust the mechanical component of the clamping force and avoid an excessive clamping of the brake. The hydraulic component (FHyd) of the clamping force is estimated according to a pressure measurement, subtracted from a target force (FTar) to obtain the mechanical component to be applied (FTarNew), and the electric motor for controlling clamping of the brake is stopped at a threshold value (I2) of the current that is supplied thereto, according to the value of this mechanical component to be applied.

The utility model provides a polisher for the surface of a mechanical workpiece, which relates to the technical field of polishers, and comprises a workbench, a fixing component is arranged in the workbench, a first driving component is arranged at the top of the workbench, a second driving component is arranged in the middle of the first driving component, and the second driving component is arranged in the middle of the workbench. A grinding assembly is arranged at the bottom of the second driving assembly. According to the grinding device, the electric telescopic rod can be started to drive the grinding motor to move downwards so that the grinding disc can be attached to the surface of the mechanical element, the grinding motor is started to drive the grinding disc to rotate for grinding, and the grinding disc can eject the transmission rod and the limiting plate to extrude the spring for buffering when making contact with the surface of the mechanical element; damage to the grinding motor and the mechanical element caused by hard contact between the grinding disc and the surface of the mechanical element is avoided, the first driving assembly and the second driving assembly drive the grinding assembly to comprehensively grind the surface of the mechanical element by inputting perimeter data of the mechanical element in advance, manual work is replaced, and the grinding efficiency is improved.

The utility model discloses a leakproof sealing structure of a pneumatic power mechanical element, which comprises an air cylinder, an air inlet and an air outlet, the air inlet and the air outlet are arranged on two sides of the air cylinder, a lower concentric cylinder is embedded and fixed in each of the air inlet and the air outlet, an upper concentric cylinder is in threaded connection with the lower concentric cylinder, a connector is fixedly connected onto the upper concentric cylinder, and the connector is in threaded connection with the lower concentric cylinder. A clamping plate is connected to the side of the connector in a clamped mode, a locking screw rod is connected to the surface of the clamping plate in an inserted mode, an air pipe is fixedly connected to the connector, and a throttling valve and an electromagnetic valve are arranged on the air pipe. The upper cylinder and the lower cylinder which are concentric are arranged at the air inlet and the air outlet of the air cylinder, air can be prevented from leaking from the air inlet and the air outlet of the pipeline and the air cylinder, meanwhile, the clamping plate and the locking screw are arranged at the pipeline connector, the connector for fixing the pipeline can be further reinforced, the problem that the connector shakes under the impact of the air is solved, and the service life of the air cylinder is prolonged. Therefore, the pneumatic power mechanical element has the leakproof sealing effect.

A device (100) for determining a twisting clearance, with an inclinometer (10) designed to determine the inclination of a surface relative to a reference plane, a measuring lever (20), wherein the inclinometer is arranged on a surface of the measuring lever, and a centering clamp (30) arranged non-rotatably on the measuring lever, which is designed to be arranged at least partially in a rotatable machine element, wherein the centering clamp has several clamping jaws (32) and at least one centering piece (34) with several contact surfaces (35).

The invention relates to a method and a device for monitoring an automatic machine (10) for the manufacture or packaging of smoking, hygiene, food, or pharmaceutical products, the machine having at least one drive (A, B, C) that each moves at least one machine element of the machine (10), wherein, during operation of the machine (10), actual torques or proportional actual current values ​​of the drive (A, B, C) are compared with an upper and / or a lower limit value, and wherein, if an actual torque value or actual current value of the drive exceeds the upper limit value or falls below the lower limit value with which it is compared, an error signal is generated. The invention is characterized in that a) during operation of the machine (10) the upper and / or the lower limit value is calculated in real time according to the respective actual position of the drive (A, B, C) recorded during operation of the machine (10), or that b) during operation of the machine (10) the upper and / or the lower limit value is selected from a data storage device in accordance with the respective actual position of the drive recorded during operation of the machine (10), in which an upper and / or a lower limit value is stored for several possible or for each possible actual position of the drive of the machine (10).

This invention discloses a gear tooth accuracy testing device and method, relating to gear processing and production technology. The device utilizes conventional mechanical components, making it easy to manufacture and maintain, and suitable for rapid sampling inspection on the production floor. The auxiliary mechanisms, particularly the cage and adjusting components, can accommodate multiple sets of measuring columns. During actual gear measurement, each column can be measured sequentially as the gear rotates. Compared to existing testing equipment that repeatedly removes and reinstalls a single measuring column from the tooth groove, this effectively avoids the low efficiency caused by repeated placement of measuring columns, greatly simplifying the workflow. Furthermore, the testing method employs a process of first eliminating installation errors and then performing a second zero-calibration measurement. This facilitates data recording while effectively eliminating the influence of gear installation eccentricity, journal runout, and addendum runout on the measurement results, resulting in a more accurate reflection of the tooth groove's inherent deviation.

The present invention provides a control method and system for an electromagnetic vibration table considering multiple non-linear factors, including: establishing a lumped parameter model of the non-linear motion of the vibration table by utilizing the similarity in mathematical form between the mechanical system and the circuit system; then, according to the characteristics of the model at different excitation frequencies, identifying the parameters of each mechanical component to obtain the control equation of the vibration table, and calculating the excitation current curve in the drive coil according to the control objective; finally, judging whether the tracking error meets the requirements through the simulation of the established non-linear model, and generating an excitation current waveform file or a real-time analog signal to be input into the power amplification device of the vibration table after meeting the requirements. The present invention considers the influence brought by the non-linear stiffness during the working process of the electro-dynamic vibration table, and uses a non-linear inductor to simulate the non-linear stiffness in the mechanical system. The drive current calculated by using the feed-forward control algorithm can reduce the harmonic distortion during the sine sweep test of the vibration table, and improve the control accuracy and test accuracy.