336 results about "Relative slip" patented technology

The invention discloses a device and a method for detecting and removing a residual material on the periphery of a liquid crystal panel, which relate to the field of liquid crystal panel manufacture and can accurately detect and remove the residual material on the periphery of the liquid crystal panel. The device comprises a guide rail, two groups of opposite brackets are arranged on the guide rail, a contact lever and an inductor are arranged on each bracket, and the inductor is used for judging whether the periphery of a liquid crystal panel to be detected has the residual material according to the contact state of the contact lever and the liquid crystal panel to be detected; and a removing unit is arranged on the each bracket and close to the detection part, and the removing unit is used for removing the residual material. The method comprises the following steps of: driving the relative slip of the two groups of brackets so that the contact lever is contacted with the liquid crystal panel to be detected, and judging whether the periphery of the liquid crystal panel to be detected has the residual material according to the contact state of the contact lever and the liquid crystal panel to be detected; and when detecting that the periphery of the liquid crystal panel to be detected has the residual material, knocking down the residual material. The device and the method can be used for detecting and removing the residual material on the periphery of the liquid crystal panel.

The invention relates to an anti-skidding padding plate, which is characterized in that an anti-skidding padding body is formed by weaving or knitting of natural fiber or artificial fiber with good durability and tensile property, and the inner hole of the fiber is immersed with an adhesive material or the surface of the fiber is adhered with the adhesive material. The anti-skidding padding plate adopts the brand-new anti-skidding principle, and the friction coefficient can improve with the increase of the load; in addition, the anti-skidding padding plate can effectively prevent relative slippage of connected objects, has the characteristics of simple structure, large friction coefficient, convenient processing and strong durability and the like, can be widely used for places of fixing the equipment and matching a well cover and a well seat and the like; especially, after a wear-resisting and prick-resisting layer is additionally arranged on the anti-skidding padding body or simultaneously an elastic layer and the wear-resisting and prick-resisting layer are arranged, the anti-skidding padding plate can be applicable to railway bed structures and other building fields, and is especially suitable for anti-skidding processing of places of various engineering with heavy load and vibration.

The invention is related to method for monitoring height change of elastic support component momentarily, relevant equipment,elastic support component with monitoring device, and elastic support unit. Positioning device of following movement of dynamic reference plane is setup on elastic support component or elastic support unit. A signpost with one end being supported on static base surface setup is perpendicular to surface of the elastic support component. Displaying displacement of relative slip occurred between positioning device and signpost reflects change of relative distance between dynamic reference plane and static base surface of elastic support component so as to realize monitoring and measuring height change of elastic support component. Features are: simple and effective, saving a great lot of manpower, and material resources. The invention is applicable to manufacture, transportation, construction etc. areas.

The present invention discloses a double gear drain valve for water tank, comprising: a valve body; an inner sleeve with a water stop at the bottom end, wherein the said inner sleeve is arranged within the valve body thus controlling the water stop to open/close water tank by using relative slip between the inner sleeve and the valve body; a full drainage keg float that is arranged between the inner sleeve and the valve body and is able to act on the inner sleeve; a half drainage keg float that is arranged between a inner sleeve and a valve body and is able to act on the inner sleeve, whereina pendulum hook that swings relative to the half drainage keg float is arranged on upper joint of the half drainage keg float and can swing to position of half drainage and full drainage; and a starting device, including a half drainage starter that can start half drainage and a full drainage starter that can start full drainage. The drain valve has a compact structure, and is applicable to slim water tank, enables well cooperation between each other and convenient operation.

The invention discloses an electromagnetically-controlled driving device of an engine cooling fan. The electromagnetically-controlled driving device comprises a shaft, a first bearing, a second bearing, a coil, a rotor, a belt pulley, a fan nonlinear speed regulation module, a driven disc, a mounting flange, a one-way clutch decoupling wheel, a fan and an electronic control element. The invention further provides an implementation method of the electromagnetically-controlled driving device of the engine cooling fan. The problems of proneness to relative slip, complexity in structure, proneness to high-temperature failure and fan blade breakage, poor engine working reliability, high belt wear, high produced noise and the like in the prior art are solved, and the electromagnetically-controlled driving device of the engine cooling fan has the advantages of simple structure, high control precision, fast response, low vibration, low noise, nonlinear speed regulation, vibration reduction and the like.

The invention discloses a test method which can accurately simulate the bond-slip properties of a stud connector in a tensile area in a combined structure. The method comprises the steps of combining two push-out samples; reserving a space for a jack between the two samples; loading through a spherical hinge; conveniently arranging a displacement sensor on a shearing surface; measuring relative slippage between a steel beam and a concrete slab, thus accurately simulating the constructive relations and the bearing capacity of the bond-slip properties of the stud connector in the tensile area of a combination beam. The method can accurately simulate the mechanical properties of the stud in the tensile area of a beam-type component in a combined structure of steel beam and concrete. Furthermore, the method is convenient to operate.

The invention discloses a testing device and method for directly testing the adhesive property between early-age concrete and reinforcing steel bars. The testing device comprises an outer frame and a loading device arranged in the outer frame, wherein the upper end of the outer frame is connected with a test piece template for placing a test piece through a planar hinge, and the loading device comprises a hydraulic jack, a hollow load sensor, a ball hinge, a displacement sensor, a hydraulic oil pump and a resistance strain gauge. After the concrete is poured, a mould is not dismounted and is directly tested. Before testing, the displacement sensor is arranged at the top end of the test piece; during testing, the hydraulic oil pump drives the hydraulic jack to generate a pull force to the reinforced steel bars, so that relative slippage is formed among the reinforced concrete and the binding power is generated, and the adhesive property between the early-age concrete and the reinforcing steel bars is tested. The testing device, provided by the invention, has the advantages of simple structure, convenience for assembly and disassembly, and a small number of required materials and instruments, and is suitable for carrying out scientific research and testing the adhesive property between the early-age concrete and the reinforcing steel bars in a construction site.

The invention discloses a bottom-bearing connection structure for external wall panels of an assembled steel structure, and relates to the technical field of architectural structures. T-shaped steel and angle steel are slidably connected with an upper wall panel and a lower wall panel in a vertical friction mode through connecting components respectively, and the upper flange and the lower flange of a steel beam are slidably connected with the T-shaped steel and the angle steel in a horizontal friction mode through high-strength bolt groups respectively; the angle steel is suspended below the lower flange of the steel beam and conducts limiting adjustment of hanging and pulling on the upper wall panel, the T-shaped steel is located above the upper flange of the steel beam, the T-shaped steel extends into the seam of the wall panels, a steel plate above the seam is buried in advance, and the T-shaped steel is used for lifting the upper wall panel; composite floor slabs are anchored to the upper flange of the steel beam through welding studs and supported by the steel beam. According to the bottom-bearing connection structure for external wall panels of the assembled steel structure, the T-shaped steel is used for supporting the wall and bearing the weight of the wall, which is in good accordance with a wall panel bottom-bearing force model. Under the action of an earthquake, the connecting components and the high-strength bolt groups can relatively slide in the vertical holes and horizontal holes of the T-shaped steel and the angle steel, consuming and loading energy to protect the wall panels, and achieving the functions of dissipating the earthquake energy and reducing structural earthquake responses.

The invention provides a method for detecting concrete structure crack width by means of a fiber sensor, relating to a calculating method of concrete structure crack width. The invention aims to solve the problem that a fiber sensor in the prior art cannot accurately measure the crack width because the fiber at the crack and the concrete to be measured generate relative slipping. The method for detecting concrete structure crack width by means of the fiber sensor includes the following steps of concrete crack width calculation formula under the theoretical condition; further simplification of the concrete crack width calculation formula under the theoretical condition; and corrected concrete crack width calculation formula. The method provided improves the calculation accuracy of the concrete crack width and can be applied to the field of building construction.

An airbag apparatus includes an airbag that includes a bag body provided with an insert hole for receiving an inflator and a sealing cloth arranged to cover a peripheral area of the insert hole. The sealing cloth includes on the location corresponding to the insert hole a through hole for receiving the inflator. The sealing cloth further includes around the through hole a slit that encircles the through hole generally wholly in a circumferential direction and enables relative slip movement between a peripheral area of the through hole on the sealing cloth and the peripheral area of the insert hole on the bag body in generally radial directions about the through hole

The invention discloses a biconical disc ratio electromagnet. An armature (1) is formed by enclosing a bottom (11) and an annular side wall, wherein, a V-shaped groove (12) is arranged on the annular side wall, and the annular side wall is positioned in an annular space formed by a magnetic conduction iron core column (7) and a magnetic conduction outer shell (4); a clearance between the annular side wall and the magnetic conduction outer shell (4) forms a radial operating air gap I (101), and a clearance between the annular side wall and the magnetic conduction iron core column (7) forms a radial operating air gap II (102); a push rod (3) penetrates through the bottom of the magnetic conduction iron core column (7) and the bottom (11) of the armature (1), is fixedly connected with the armature (1), and is in the relationship of relative slip with the magnetic conduction iron core column (7); and a clearance between the bottom (11) and the magnetic conduction iron core column (7) forms an axial operating air gap (103). The biconical disc ratio electromagnet has ratio specialty and high ratio of output force to power.

The invention relates to a double headstock bed type milling machine which has a double headstock structure and high machining efficiency, can simultaneously finish double-sided machining of parts. The double headstock bed type milling machine comprises a pedestal, wherein a slide block is designed on the surface on the pedestal, a worktable is installed on the slide block, the slide block and thepedestal are in relative slip connection, an upright post is designed at the rear part of the pedestal, a guiding rail is fixedly installed on the surface of the upright post, and an end milling machining device and a horizontal milling machining device are respectively connected with the front surface and the lateral surface of the upright post.

The invention belongs to the technical field of material interfacial wetting, and discloses a method used for preparing micro droplets and microarrays via separating single droplets. According to the method, droplets are dropped onto a patterned hydrophilic/hydrophobic substrate, contact force of the droplets with the patterned hydrophilic/hydrophobic substrate is controlled, and relative slip velocity between the droplets and the patterned hydrophilic/hydrophobic substrate is controlled, so that size accurate control separation of the droplets can be realized so as to obtain the micro droplets and microarrays. The method can be used for preparing a large amount of micro droplets from one drop of a sample solution, the size of obtained micro droplets is small, requirement on the sample solution is low, less sample is needed, separation efficiency is high, equipment is simple, operation is convenient, preparation cost is low, and application range is wider. The method possesses a promising application prospect in the fields of surface patterning, biological analysis and detecting, chemical reaction, and drug development.

The invention relates to a processing method for manufacturing the teeth of cylindrical gears by turning. According to the principle that the tooth profiles of two gears form a conjugate curve mutually when crossed helical gears are engaged and driven and the gears carry out relative slip along a tooth direction, a numerical control system technique is adopted to control a gear type cutter and a workpiece to be processed to rotate at high speed according to a strict speed ratio, the knife edge of the cutter carries out relative slip relative to the tooth direction of the workpiece so as to generate a cutting action, and the system also controls the workpiece to be fed along the axis for continuously processing the tooth widths of the gears. The invention has the advantages that a generation method is adopted, and the principle that the tooth profiles of the two gears form the conjugate curve mutually when the crossed helical gears are engaged and driven is utilized to process the tooth profiles of the gears. The processing process of the method is similar to a shaving principle, but the cutter adopts a gear-shaped pinion cutter, so that the processing efficiency is very high. The method has the greatest advantages of simple manufacture of the cutter, very high cutting efficiency, high accuracy and simple equipment manufacture. The method can replace gear shaping, gear hobbing and gear broaching at present and has very good market prospect. Practices prove that the technique reaches the international advanced level.

The invention provides a primary mirror floating support mechanism with a positioning film and belongs to the field of primary mirror support structure of photoelectric instruments. The primary mirror floating support mechanism comprises a mandrel, a second screw, a bottom plate, the positioning film, a pin roll, a disc spring and a four-way joint, wherein the bottom plate is in an annular structure and comprises an annular boss, an annular support boss, a bottom plate central groove and a bottom plate substrate flange; a through hole is arranged in the bottom plate substrate flange, the positioning film is annular, a positioning film central groove is arranged on the inner diameter edge of the positioning film, and a positioning film annular boss is arranged on the outer diameter edge of the positioning film; the four-way joint comprises a primary mirror mounting base and a four-way round table; and a primary mirror mounting hole is formed in the primary mirror mounting base. When the ambient temperature changes, the relative slip between the four-way joint and the bottom plate is caused by the relative extension or contraction deformation quality formed between the four-way joint and the bottom plate, the positioning film central groove can absorb stress through self deformation, the stress is prevented from being transferred to the bottom plate, so that the heat stress between the bottom plate and the four-way joint is released, and the shape of the mirror surface cannot be affected by the temperature change.

The invention relates to an electronic differential system based on relative slip ratio control, which is an electronic differential control system of a double-motor independent and direct double-front wheel driving electric automobile. The electronic differential system comprises an accelerator, a controller, a driving motor, a driving wheel, a transmission shaft, a steering angle sensor and an operational processing circuit. The input data of the operational processing circuit includes accelerator signals, rotation speed signals, current value signals and the signals of the steering angle sensor, and the output data of the operational processing circuit includes the control signals of the controller. The operational processing circuit judges the working conditions of motors according tothe current signals, and when the working current of the motors is lower or zero, the control signals are shut off to reset the motors, thereby the motors are restarted. The operational processing circuit converts the rotation speed of the driving wheel into a target rotation speed for operation according to the signals of the steering angle sensor so that the steering mode is converted into a straight-line running mode, the relative slip ratio is calculated by using the rotation speed of the driving wheel; and through using the relative slip ratio as a control parameter and adopting a feedback type controlled closed-loop differential regulating algorithm, the electronic differential function is realized. When the relative slip ratio is not greater than 1%, according to the properties of the motors and the structural characteristic of the double-motor independent and direct driving mode, the electronic differential system has the function of electronic differential self regulation.

A machine and electrical power system includes a generator having a speed range that includes a resonance speed associated with resonance vibrations of the system. A drive coupling is disposed between the generator and an engine configured to rotate the generator and is further configured to transmit torque from the engine to the generator, the drive coupling being configured to allow relative slip between first and second elements when the generator is rotated at its resonance speed. A machine operation method includes rotating a generator with an engine, and generating resonance vibrations of at least one of the engine and the generator by rotating the generator at a resonance speed. The method further includes inhibiting transmitting resonance vibrations between the generator and the engine by allowing relative rotational slip within a drive coupling disposed between the engine and the generator.

The invention relates to a lifting device and a stage structure using the same. The lifting device comprises a fixing support for being connected with an operating platform, a guide frame, a chain wheel assembly and a drive unit, wherein, the chain wheel assembly comprises a chain wheel and a chain wound on the chain wheel, one end of the chain is fixedly connected with the fixing support, the other end of the chain is fixedly connected on the guide frame, and the chain wheel is arranged on the guide frame in relative slip and relative rotation manners; and the drive unit drives the chain wheel to rise and fall along the guide frame so that the chain drives the fixing support to rise and fall so as to realize lifting operation of the operating platform. The lifting device has the advantages that motion stroke of an oil cylinder is increased by means of the chain wheel and the chain, thus reducing installation size of the lifting device; and the operating platform can stably rise and fall under guidance of guide shoes and guide rails.

The invention provides a composite damping vibration isolator comprising a vertical damping vibration isolation mechanism and a transverse damping vibration mechanism. The transverse damping vibration isolation mechanism comprises a clamping ring and a bearing disc. A relative slip in a transverse direction can be produced between the bearing disc and the clamping ring. The vertical damping vibration isolation mechanism comprises a sleeve and a friction block. The friction block is slipped over the sleeve. The friction block is nested in the bearing disc. A relative slip in a vertical direction can be produced between the friction block and the sleeve. Thus, there is provided a damping vibration isolation system comprising a composite damping vibration isolator and a composite damper. When installing and in use, an included angle of 90 degrees exists between an axial direction of the composite damping vibration isolator and that of the composite damper. According to the invention, on the basis of a previous composite damping vibration isolator, the structure is improved and the composite damper is added for auxiliary supporting and eliminating coupled vibration, providing more significant vibration attenuation and impact resistance effects.

A method for predicting fretting fatigue life of a nickel-base single crystal alloy turbine blade tenon includes establishing a fretting fatigue contact analysis model of that nickel-base single crystal alloy turbine blade tenon; calculating the model under the given working condition and obtain the analysis parameters, which include shear stress, tangential stress and relative slip distance at different positions of the contact surface; determining the shear stress damage factor at different positions of the contact surface of the model under a given working condition; the cumulative dissipative energy damage factors at different positions of the contact surface of the model are determined according to the given operating conditions and analysis parameters. According to the shear stress damage factor and cumulative energy dissipation damage factor, the fretting fatigue comprehensive damage factor is determined, and the fretting fatigue life of nickel-based single crystal alloy turbineblade tenon is obtained. The fretting fatigue life prediction method of the nickel-based single crystal alloy turbine blade tenon can accurately predict the fretting fatigue life of the nickel-basedsingle crystal alloy turbine blade tenon.

The invention discloses a method and device for raising the trigger speed and the locking force of a speed locking device. The device comprises an applicable main body consisting of a fixed body and a sliding body, an induction device consisting of the speed locking device, a safety device, an executing device which is in linkage with the induction device, and a locking device provided with mutually locked tooth blocks. The method comprises the following steps: the fixed body and the sliding body of the applicable main body generate relative displacement under the shaking of a building; the induction device perceives the relative moving speed of the applicable main body; when the shaking is so large that the moving speed exceeds a set value, the induction device breaks the safety device and provides initial trigger driving force to push the executing device to execute mechanical locking; the executing device relieves the suppression on the locking device, the tooth blocks of the locking device are meshed, and the mechanical self-locking of the locking device in the relative slippage direction of the applicable main body is realized. The device disclosed by the invention has the advantages of being simple and reliable, being high in applicability, being high in trigger locking speed, being great in locking force, and being lower in production cost.

The invention discloses a testing device for mechanical properties of bolts. The testing device comprises a screw rod elongation testing device, a bolt fixture structure and a relative slippage testing device, wherein the relative slippage testing device comprises a displacement extractor, a clip type extensometer and a data collecting device; one end of the displacement extractor is fixed at the end part of a tested screw rod; one end of the clip type extensometer is fixed on the side surface of a tested screw cap; the other end of the clip type extensometer is fixed in a corresponding position of the displacement extractor; and the data collecting device is connected with the clip type extensometer and used for collecting sliding displacement data. According to the invention, the phenomenon that whether bolts with different specifications come into being slip or not before the screw rods are not snapped can be qualitatively checked; the slip bolts can be also quantitatively studied; slipping constitutive models between the screw rods and the screw caps are quantitatively studied; and tensile constitutive models of the screw rods can be also studied. The testing device for the mechanical properties of the bolts, disclosed by the invention, has the advantages of more comprehensive researches on tensile mechanical properties of the bolts, wide generality, high accuracy, good economic benefits and good scientific research values.