1110 results about "Force direction" patented technology

The invention relates to a dynamic characteristic parameter test device of a sliding guide rail junction surface, which can be simplified into a single degree of freedom system. The device comprises a base, an installation platform, a fixed guide rail, a wedge-shaped block, an inlaid strip, a sliding block, a plurality of piezoelectric type acceleration sensors, a vibration exciter, an elastic rope, an impedance head, a stand, a normal force applying bolt, a rubber ring, a charge amplifier, a data acquisition unit, a power amplifier and an electronic computer. Compared with the prior art, thedynamic characteristic parameter test device has the advantages that: the structure is compact, the test principle is distinct, dynamic characteristic parameters of the junction surface under different load states can be measured by adjusting the pretightening force of a normal force applying bolt, the vibration exciting force direction passes through the gravity of the sliding block during measurement so that vibration signals of the sliding block and the base can be measured simultaneously, the influence of the vibration signals of the base is eliminated when a frequency response function of a system is calculated, and the characteristics of high efficiency, high stability and high precision are achieved.

The invention is directed to a muscle trainer and methods for exercising a weaker of two sets of opposing muscles of a person moving an implement, such as a golf club, wherein, if the two sets of opposing muscles were of appropriate strength, the two sets of opposing muscles would desirably apply forces in opposite directions to the implement to assist in maintaining an ideal movement of the implement. In various embodiments, the invention provides methods for training the opposing sets of muscles to consistently move the implement in an ideal way to accomplish a useful or recreational function. The methods include: (a) moving the muscle trainer through an actual motion; (b) determining a difference between the actual motion and an ideal motion, where the difference indicates a dominating force direction in which the muscle trainer is being urged by the stronger or dominating set of muscles; (c) applying an external force to the muscle trainer to urge the muscle trainer in the dominating force direction; and (d) using the weaker or non-dominating set of muscles to urge the muscle trainer against the external force to thereby exercise the non-dominating set of muscles.

A keyboard with illuminating architecture includes a keyboard portion and a substrate carrying the keyboard portion, wherein the keyboard portion includes a plurality of pressing elements for receiving a pressing force from the user and inter-dependent mechanisms respectively under a force receiving surface of each pressing element for providing a moving stroke of the pressing element following the force direction, and the substrate has an assembling portion for assembling with the other end of the inter-dependent mechanism. Moreover, the surface of the substrate has at least one light guiding groove, which forms a light channel for transmitting light, and at least one inner sidewall of the light guiding groove is a light reflecting surface, so that the light in the light guiding groove is reflected by the light reflecting surface to the keyboard portion, thereby providing the pressing elements the brightness, and reducing whole keyboard thickness and thinning.

The invention is directed to a muscle trainer and method for exercising a weaker of two opposing muscle groups of a person swinging an implement, such as a golf club, wherein, if the two opposing muscle groups were of appropriate strength, the two muscle groups would desirably apply forces in opposite directions to the implement to assist in maintaining the implement in an ideal club shaft plane. The contemplated muscle trainer of this invention includes a body having a grip surface located thereon, and a force generator positioned at a prescribed location on the body, which is spaced from the grip surface, for urging the prescribed location of the body in a direction away from a force direction which the weaker muscle would normally apply to the implement in the swinging thereof by the person. The invention further contemplates a method exercising at least a dominated muscle of two opposing muscles typically used by the golfer when attempting to swing a golf club in an ideal club shaft plane, where the dominated muscle applies a first swing force to the golf club in a non-dominating swing force direction, and a dominating muscle applies a second swing force in a dominating swing force direction to the golf club which is opposite the direction, and exceeds the force, of the non-dominating swing force.

The invention is directed to a muscle trainer for exercising opposing muscles of a person moving an implement, such as a golf club, wherein, if the opposing muscles were of appropriate strength, the opposing muscles would desirably apply forces in opposite directions to the implement to assist in maintaining an ideal movement of the implement. The contemplated muscle trainer of this invention includes a body and a force generator positioned at a prescribed location on the body for urging the body in a direction away from a force direction which a weaker set of the opposing muscles would normally apply to the implement in the movement of the implement by the person.

The invention discloses a testing device for bearing dynamic characteristic parameters. The testing device for the bearing dynamic characteristic parameters is composed of an instrument and equipment system, and a testing device. The instrument and equipment system comprises a data collector, a signal conditioning instrument, a power amplifier, a digital indicator, a vibration exciter, an impedance head, a piezoelectricity accelerating speed sensor, and an electronic computer. The testing device comprises an iron cast platform, a mounting base plate, a bearing seat, a bearing sleeve, a bearing, a mandrel, a shaft end nut, a pre-tightening nut, a rubber spring, an axial loading device, a radial loading device, a pre-tightening device, a bracket, an elastic rope and the like. The testing device for the bearing dynamic characteristic parameters is compact in structure and clear in test principle, the loading devices are infinitely adjustable, and the testing devices can measure the bearing dynamic characteristic parameters under load condition of different axial force, radial force, pre-loading force and the like. When measurement is conducted, vibration force direction penetrates through mandrel axis to measure vibration signals of an inner ring and an outer ring of the bearing at same time, affect from vibration signals of the bearing outer ring is eliminated when a displacement frequency response function is calculated, and the testing method is high in efficiency, precision, and stability.

A spring arm (1) for a camera body support is provided with a parallelogram guide (3, 5) which is made up of two opposing legs (10, 11) disposed parallel to one another and two likewise opposing connecting elements (12, 13) that connect the respective ends of the legs (10, 11) with one another, and an energy storage mechanism (15), which is supported on two pivot points (17, 19) on the parallelogram guide (3, 5), in order to compensate a load acting on the parallelogram guide (3, 5). At least one (19) of these pivot points (17, 19) is adjustable in relation to the parallelogram guide (3, 5) such that both the energy storage mechanism's (15) pretension and also its action of force direction change.

A steering control system for ski boat with an inboard motor and a single, non-steerable propeller. The control system augments the traditional aft rudder with a forward rudder (located immediately in front of the propeller), and controls one or both rudders to improve steering when backing and in low forward speed conditions. The control system may control only the forward rudder, while the pre-existing controls operate the aft rudder, or optionally controls both rudders. The rudder angle control algorithm calculates proportional rudder angles based on helm and throttle settings, or optimal rudder angles based on more sensed conditions including the operator's helm and throttle controls, the ski boat's direction and speed, propeller RPM and thrust direction, and each rudder's angle. An electronic controller sends control signals to the rudders to achieve the optimal rudder angles.

Disclosed herein is a vehicle camera system adapted for easy position matching of an image sensor and a lens assembly, and capable of being reduced in assembling time.After accommodation of the image sensor 20 in a concave portion 16 of the lens assembly 10, when (a) first and second protrusions 31a, 31b of an elastic body 30 are inserted into first and second clearances 18a, 18b, respectively, and (b) the elastic body 30 is pressed from a direction of a circuit board 40, curved surfaces 15a, 15b convert the pressing direction into a force direction in which first and second datum planes 21a, 21b of the image sensor will be positioned with respect to first and second optical datum planes 12a, 12b, respectively, and the conversion results in first and second opposed planes 24a, 24b of the image sensor being positioned with respect to the first and second optical datum planes 12a, 12b, respectively, and a third datum plane 21c of the image sensor being positioned with respect to a third optical datum plane 12c by the force applied in the pressing direction.

A system for robot and human collaboration is provided. The system includes a robot having a programmed path for motion of the robot and a controller in communication with the robot. The controller has a processor and tangible, non-transitory memory on which is recorded instructions for an action to take when an unexpected contact between the robot and an object is detected. The controller is programmed to execute the instructions from the memory via the processor when the unexpected contact is detected, causing the robot to stop motion on a programmed path and to enter a push away mode. In the push away mode, the human can apply a push force having a push force direction to command the robot to move in the push force direction.

A socket for a circuit board, comprising: a base having an opening area for introducing an electrical conductor of the circuit board, a contact element for electrically contacting a conductor of the circuit board, and an electrical output electrically connected to the contact element, wherein the contact element comprises a returning connecting contact spring disposed in an introduction area, wherein said spring can be actuated returnably by applying a force along a force direction, such that the electrical conductor can be disposed between a connecting contact area and the connecting contact spring, and wherein each contact element is configured such that the electrical conductor can be brought into contact with the contact element by any desired contact configurations or combinations of contact configurations.

A reversibly attachable muscle trainer includes a multi-arm structure with motion sensors and force generators for exercising opposing muscles of a person moving an implement so as to maintain an ideal movement. When attached to the implement, the muscle trainer trains the opposing muscles to consistently move the implement in an ideal way. While the person moves the implement with the muscle trainer attached, a processor receives signals from the motion sensors and determines differences between the actual implement motion and an ideal implement motion. The difference indicates a dominating force direction in which the dominating muscles urge the implement. The processor activates the force generators to apply external forces to the implement to urge the implement in various types of training force directions.

A developer bearing member on which grooves slanting in a thrust direction of the developer bearing member cross other grooves reversely slanting relative to the thrust direction, wherein each of the grooves and the reversely slanting grooves is slanting at an angle of greater than 0° and not greater than 40°. Any two adjacent intersections of the grooves and the reversely slanting grooves in the thrust (or peripheral) direction are preferably on different levels in the peripheral (or thrust) direction. The distance between two adjacent intersections in the thrust direction is preferably from 1.3 mm to 4.8 mm. The distance between two adjacent intersections in the thrust direction is preferably from 0.38 Vd / Vi (mm) to 1.1 Vd / Vi (mm). The deviation in depth of grooves present on a 36° arc surface portion of the member is not greater than 15% of the gap between the image bearing member and the developer bearing member.

Apparatus for measuring peeling force of an adhesive capable of varying different peeling angles and peeling rates, the apparatus comprising a force transducer for measuring a peeling force of a tape sample; and a peeling angle (angle C) defined by the adjustment a first angle (angle A) and a second angle (angle B); wherein said first angle (angle A) is defined by an angle between a test sled and a slide with a movement device, and said second angle (angle B) is defined by an angle between a force-bearing direction of said force transducer and a horizontal parallel plane of said slide.

The invention relates to fault diagnosis technology for a mechanical tower, which comprises a sensor group comprising a vibration or / and steady-state acceleration detection sensor and a forced direction detection sensor, and a fault information processor for acquiring signals of the sensor group and analyzing and diagnosing the signals of the sensor group. The signals detected by the sensor groupare transmitted to the fault information processor through cables, the hardware of the fault information processor acquires the signals, and then the corresponding software of the fault information processor performs analytical diagnosis and treatment. Because a plurality of groups of acceleration sensors arranged at a specific position for monitoring the dynamic condition of the tower under a running state are adopted, the technology not only can master the vibration displacement born by the tower along the direction of geographical coordinates, but also can effectively monitor various influences brought by torsional vibration caused by environmental factors and change caused by factors such as individual foundation of a tower body and the like. Simultaneously, aiming at the change factors, the fault information processor matched with the acceleration sensors warns in time within a range of ensuring the normal work of the tower. Therefore, the technology provides a technical support for ensuring the using safety of the tower and improving the service life.

The invention discloses terminal equipment. In the terminal equipment, the frame of a shell is provided with perforations, A camera is movably disposed on the housing, and has a retraction stroke andan ejection stroke relative to the housing, The driving mechanism comprises a first elastic part and an elastic hook, wherein the camera head is provided with a guide rail, the guide rail is providedwith an articulation part, the first end of the elastic hook is connected with the housing, the second end is slidably matched with the guide rail, the elastic hook can exert a pulling force on the camera head, and the first elastic part can exert an elastic force on the camera head, and the elastic force is opposite to the pulling force direction; Within the retraction stroke, the pulling force is greater than the elastic force, the second end of the elastic hook slides into the articulation part and is articulated with the articulation part, and the camera moves into the housing; During theejection stroke, the elastic force is greater than the tensile force, the second end of the elastic hook slides out of the hitch, and the camera moves out of the housing through the perforation. The scheme can solve the problems of high cost and complex structure of the current terminal equipment.

The invention discloses bearing-free switch reluctance motor having an axial-direction parallel hybrid structure and a control method of said motor. A motor stator is composed of a reluctance motor stator and a magnetic bearing stator. A rotor is composed of a salient pole rotor and a cylinder rotor. The windings are composed of torque windings and suspension windings. The torque windings are composed of reluctance motor windings and wide-tooth windings and the number of the torque windings is identical to phase number m. The suspension windings are two and are arranged in the radial direction. The magnetic bearing stator is composed of four E-shaped structures and the width of each middle tooth is twice of the rest. According to the invention, suspension current is calculated according to a suspension force direction. Current of the torque windings and switching-on and switching-off angles of a power circuit are controlled separately and rotation speed and torque are controlled in real time. Current of the two suspension windings is controlled separately, suspension forces are regulated in real time and mutual decoupling is realized in rotation and suspension. According to the invention, the quantity of control variables is small; suspension control is simple; and a power converter of a suspension system is low in cost.

The invention relates to a joint surface dynamic characteristic parameter testing device of a rolling guide rail, which can be simplified to a single-degree-of-freedom system. The joint surface dynamic characteristic parameter testing device comprises a base, a mounting bottom plate, a rolling guide rail, a rolling guide rail slider, a bridge plate, a plurality of piezoelectric acceleration sensors, an exciter, an elastic rope, a rubber ring, a frame, an impedance head, a normal pressing bolt, a charge amplifier, a data collector, a power amplifier and a computer. Compared with the prior art,the joint surface dynamic characteristic parameter testing device has the significant advantages of compact structure and clear testing principle, and can simultaneously measure the joint surface dynamic characteristic parameters in the normal and lateral directions of the rolling guide rail. In addition, the device can measure the joint surface dynamic characteristic parameters under different load states by adjusting the pre-tightening force of the normal pressing bolt; the exciting force direction passes through the gravity center of the bridge plate during the measurement; the vibration signals of the bridge plate and the base can be measured at the same time; and the influences of basic vibration signals can be eliminated during the measurement of the system frequency response function. Therefore, the joint surface dynamic characteristic parameter testing device has the advantages of high efficiency, high stability and high accuracy.

A robot controller includes a force control unit that outputs a correction value of a target track of a robot based on a detected sensor value acquired from a force sensor, a target value output unit that obtains a target value by performing correction processing on the target track based on the correction value and outputs the obtained target value, and a robot control unit that performs feedback control of the robot based on the target value. Further, the force control unit performs first force control when an external force direction indicated by the detected sensor value is a first direction, and performs second force control different from the first force control when the external force direction is a second direction opposite to the first direction.

The invention discloses a method for restraining integrated circuit electricity supply network transient voltage drop noise by using decoupling capacitance, belonging to the physical design field of superlarge-scale integrated circuit, in particular to the technical category of optimizing network noise of transient power wire earth wires, which is characterized in that the creation points lie in that: (1) proposing a rapid method for estimating a decoupling capacitance demand in a layout stage; proposing a two-dimensional function showing the decoupling capacitance demand in a chip; (3) establishing a supply and demand system for the demand of the decoupling capacitance by utilizing the two-dimensional function to guide that the layout process is performed toward the direction being beneficial for reducing the demand of the decoupling capacity; and (4) proposing a layout algorithm for adding the decoupling capacitance through integrating the above model and the method into a force direction layout. Experiments prove that the method of the invention is effective, and can achieve the layout result that the total amount of the decoupling capacity is decreased by about 35% with the cost that the on-line length is increased by about 0.5%.

The invention discloses a uniaxial creep testing device and a uniaxial creep testing method for frozen earth with a temperature gradient. The device consists of a pressure cover, a height adjusting cushion block, a convex pedestal, an upper refrigerating plate, a lower refrigerating plate and heat insulation plates, wherein a piston and a vacuumizing channel are arranged at the upper part of the pressure cover in a sliding way, and refrigerating fluid circulating channels and a test lead wire channel are formed in the convex pedestal. In the testing process, the heat insulation plate, the lower refrigerating plate, a sample, the upper refrigerating plate, the heat insulation plate and the pressure cover are sequentially mounted on the convex pedestal, and the space between the convex pedestal and the pressure cover is sealed by an O-shaped seal ring; an adiabatic boundary condition required by the sample is realized by vacuumizing in the pressure cover; the vertical temperature gradient of the sample is realized by regulating cold medium temperatures in the upper refrigerating plate and the lower refrigerating plate; and a creep load required by the sample is realized by regulating the forced direction and size of the piston. According to the uniaxial creep testing device and the uniaxial creep testing method, a unidirectional stress state and the stable adiabatic boundary condition can be provided, and the device and the method are suitable for research of uniaxial creep characteristics of the frozen earth under the conditions of different temperature gradients and scales.

The invention belongs to the field of electric power construction tools and in particular relates to ratchet type insulation wire clamping pincers used for high-voltage electrified wire construction. The ratchet type insulation wire clamping pincers comprise a first insulation rod and a second insulation rod. A block type chuck and a hook-like chuck are respectively arranged on top ends of the two insulation rods. The ratchet type insulation wire clamping pincers also comprise a ratchet assembly. The ratchet assembly comprises a gear part, a back support and a locking piece. A ratchet, a handle part and a pawl are arranged in the back support. The locking piece comprises a top block and a press spring. The top block is in the same direction with the unidirectional locking direction of the pawl relative to the unidirectional locking direction of the ratchet. The top block is arranged on a moving route of the handle part or the pawl. A matching surface used for matching the handle part or the pawl is arranged on the top block. The pressing force direction, relative to the matching surface, of the handle part or the pawl is opposite to the elastic restoring force direction of the press spring. The pincers is highly practical and convenient and quick to use; and high safety during working is ensured while high-efficient hot-line work is ensured.

The invention discloses a loading force direction self-balanced loading device and a force direction self-controlled numerical control knife rest static rigidity test platform, belonging to the field of test of basic performance parameters of functional parts of numerical control machine tools. The loading device is fixedly arranged on a test bed rack, and the loading force direction is always perpendicular to a cutter bar by virtue of self-balance of a ball pair and does not deviate; single-point centralized loading of the force is realized, and the accuracy of the loading position is guaranteed; according to the test device, the ground is taken as the reference, a designed cutter head bearing plate is selected as a measuring point, the measuring point and the load point are positioned on the same vertical line, and the test error caused by deformation of other functional parts of the machine tool is overcome. The device and the test scheme have the greatest advantages that the accuracy of the direction and position of the loading force is guaranteed. The loading device also can be applied to the static rigidity test of other functional parts of the machine tool and other mechanical products.

The invention discloses a valve spool transfer combined hydraulic shock excitation control valve comprising a valve body, a valve spool, a valve sleeve, a rotary motor end cap, a connector, a spring, a plug, a linear motor and a rotary motor. The valve sleeve is fixedly arranged in an inner cavity of the valve body, and the valve spool is arranged in the valve spool movably; the valve spool can rotate relative to the valve sleeve as well as move axially in the valve sleeve. An oil outlet is opposite to an oil return opening in direction, axial fluid power is weakened along the direction of total force, analysis shows that the direction of total force faces the end of the linear motor, the gap of a lead screw during adjustment can be eliminated by combined action with a compression spring, and axial positioning during operation only depends on limit of the lead screw so as to improve accuracy and stability of axial positioning. The invention further discloses a hydraulic system adopting the valve spool transfer combined hydraulic shock excitation control valve.

The invention discloses a method for judging the icing instability of a tension support of a power transmission line. The method comprises the following steps that: S1: establishing a pole and tower finite element mechanical analysis fine numerical simulation model; S2: solving and calculating the force direction and the change amount of an insulator string mount point before and after the pole and tower is iced; S2: carrying out finite element numerical calculation; S4: considering an influence of practical uneven icing of two sides of a tension support structure, and making an pole and towerinstability curve; and S5: according to the tension or icing thickness practicality of the mount point under an icing condition, judging a current power transmission line pole and tower instability situation. By use of the method, the real-time tension of the insulator string mount point, finite element situation calculation is adopted to researching the influence of the icing on the pole and tower instability, calculation efficiency can be effectively improved, a finite element calculation result is more reliable, and power grid maintenance personnel can conveniently and directly evaluate the pole and tower stability on the basis of the monitoring situation of the insulator string tension of two sides of the pole and tower.

The invention relates to a bionic skin three-dimensional force touch perception device and a measuring method of the bionic skin three-dimensional force touch perception device. The bionic skin three-dimensional force touch perception device comprises a shell, a unit upper layer, a unit basic level and a circuit module. The measuring method comprises the following steps that dynamic data signals are collected to an MCP3208 chip; analog signals are converted into digital signals after entering the MCP 3208 chip; the digital signals enter an EP10K250A chip and are output after being calculated and analyzed; the output signals enter a CY7C68013 chip and then are sent to an upper PC through a USB interface, and LabView virtual instrument software is operated to calculate the forced magnitude and the forced direction of each sensitive unit; eventually the forced situation is stacked to a skin model. The bionic skin three-dimensional force touch perception device and the measuring method of the bionic skin three-dimensional force touch perception device stimulate the multilayer structure of the real skin, and conducting square blocks are arranged annularly referring to a clock, so that accuracy of direction representation is improved. Besides, an electromagnetic shielding layer is imported, so that electromagnetic insulation protection is formed, and measuring efficiency and accuracy are effectively improved.

An electronic device according to an embodiment of the present invention may include a display configured to display a first screen; a force direction sensing unit configured to detect a force direction of a contact applied to one point by an external object; and a control unit configured to sense an occurrence of a predetermined event to logically divide the display into at least two regions including a first region and a second region, acquire a force direction of a first contact associated with the predetermined event from the force direction sensing unit, determine a region from among the at least two regions to display the first screen according to the force direction of the first contact, and display the first screen on the determined region.