70 results about "Elasticity Testing" patented technology

The invention discloses a thrombus elasticity testing device. The thrombus elasticity testing device comprises a supporting plate, a measuring unit, a driving unit and a cup holding unit, wherein the measuring unit and the driving unit are arranged on the supporting plate, and the cup holding unit is connected with the driving unit; the measuring unit comprises a base, a rotating part, a rotating shaft and a balance spring. According to the thrombus elasticity testing device, the driving unit is combined with the cup holding unit to carry out regular vibration on a blood sample in a measuring cup to simulate a physiological thrombus formation environment in vivo, thereby guaranteeing an accurate and reliable test result; by virtue of a structure consisting of the conical tip-shaped rotating shaft and the balance spring in the measuring unit, friction generated during vibration of the measuring unit is decreased sharply, and the shock resistance of the complete device is greatly improved on the premise of guaranteeing restoring force, so that the measurement reliability is high; by virtue of an optical lever measuring mechanism, the resolving ability and sensitivity of thrombus elasticity measurement are effectively increased, so that the measuring accuracy is remarkably improved; by virtue of a measuring cup loading-unloading mechanism, the operation is convenient and reliable.

The invention discloses a splitting machine used for cutting sponges or vertical cotton. The splitting machine comprises a machine frame. A feeding roller, a thickness testing device, a longitudinal cutting mechanism, a transverse cutting mechanism, elasticity testing devices and a discharging roller are arranged on the machine frame. The longitudinal cutting mechanism comprises a longitudinal cutter device capable of sliding in the transverse direction to regulate the position. A longitudinal vertical blade reciprocating up and down in the vertical direction is arranged on the longitudinal cutter device. The transverse cutting mechanism comprises a transverse cutter device arranged in the manner that the transverse cutter device can reciprocate in the transverse direction. A transverse vertical blade reciprocating up and down in the vertical direction is arranged on the transverse cutter device. The splitting machine overcomes the defects of traditional splitting devices with circular blades, product thicknesses and elasticity of sponges or vertical cotton are quite conveniently detected during cutting, the production efficiency is greatly improved, and the service life of the blades is prolonged. In addition, the thickness testing device and the elasticity testing devices are added, and therefore operators can conveniently master the characteristics of sponges or vertical cotton in real time.

The invention belongs to the technical field of the shield tail brush performance detection and mainly relates to experimental equipment for a shield tail brush. The experimental equipment comprises a hydraulic pump station (3-4), an abrasive resistance testing mechanism (3-5), an elastic testing mechanism (3-2) and a PLC (Programmable Logic Controller) (3-11), wherein the abrasive resistance testing mechanism (3-5) comprises an experiment bench (3-1), a hydraulic motor (4-9), a hydraulic motor output gear (4-4), a pivoting support (3-8), a concrete brush table (3-9) and a lead screw-nut mechanism (3-6); the elastic testing mechanism (3-2) comprises a shield tail brush fixing device (10-1), a portal frame (10-6), a telescopic outer sleeve (10-5), a telescopic inner sleeve (10-4), an oil cylinder (10-7) and a pressing plate (10-3). The experimental equipment for the shield tail brush realizes testing on the performance of the shield tail brush products and prevents security risks caused by improper selection of the products.

The invention discloses a basketball elasticity testing device, which comprises a bottom plate. A telescopic rod is arranged on one side of the top of the bottom plate through a bolt. A cross rod is arranged at the top of the telescopic rod. A distance sensor is arranged on one side of the bottom of the cross rod. A rotary air cylinder is arranged at the top of the bottom plate far away from the telescopic rod. A pressure sensor is arranged above an opening part through a support. The output end of the pressure sensor is arranged downwards. A spring is fixed at the bottom of the pressure sensor. A pressing plate is fixed at the lower end of the spring. A first baffle plate and a second baffle plate are respectively arranged on the two sides of the pressing plate. The first baffle plate and the second baffle plate are arranged on the two sides of the bottom of a mounting plate. One side of the second baffle plate, positioned closer to the first baffle plate, is provided with a push rod motor. The push rod motor and the second baffle plate are perpendicular to each other. One end of the push rod motor, far away from the second baffle plate, is provided with a third baffle plate. The device is novel in structure, ingenious in design, reasonable in structure and suitable for popularization.

The invention discloses a pulse wave-based cardiovascular elasticity testing and arteriosclerosis early warning system. The system comprises a cuff, an air pump, an air release valve, a pressure sensor and a microprocessor, wherein the air pump, the air release valve and the pressure sensor are arranged in the cuff; the air pump is used for inflating the cuff when driven by an air pump driving circuit; the pressure sensor is used for detecting pressure value of the cuff in real time; when a preset inflation pressure is achieved, an air release driving circuit is controlled by the microprocessor to open the air release valve so as to discharge air in the cuff according to a preset speed; in such process, a pressure signal of the cuff is continuously acquired by the pressure sensor, is processed through a conditioning circuit and is separated to obtain a pulse wave signal and a cuff pressure signal through a capacitive direct current blocking circuit, and the pulse wave signal and the cuff pressure signal are transmitted to two paths of A/D (Analog/Digital) converters in a microcontroller for processing respectively; and when the pulse wave signal disappears, a one-time measurement process is finished.

The invention discloses an actuator assembly line and an assembly method. The actuator assembly line mainly comprises a spin-riveting device, a hemming device, a detecting device and a tightening device which are arranged in sequence, wherein the spin-riveting device comprises a first machine frame, a spin-riveting gun is arranged in the first machine frame, a product turnplate and a turnplate driving mechanism driving the product turnplate to rotate are arranged below the spin-riveting gun, multiple first product accommodating tools are arranged in the peripheral direction of the product turnplate, and a clamping device is arranged below the spin-riveting gun. According to the assembly line, an actuator is assembled through combination of mechanical structures, actuator assembly efficiency is improved, and physical strength of workers is saved; a spring in the actuator is subjected to elasticity testing in advance, so that the quality of the spring is guaranteed; furthermore, hemming is also conducted during elasticity testing, operation is convenient and quick, and energy consumption is reduced.

The invention provides an optical elasticity test method including the following steps: 1) generating a shear wave, which is propagated with an exciting point as center to all around, and collecting an optical coherence tomography signal at any one point on the surface of a to-be-tested object nearby the exciting point; 2) processing the OCT signal to obtaining propagation speed of the shear wavein the to-be-tested object; 3) calculating elasticity modulus of the to-be-tested object according to the propagation speed. The method is small in loading amplitude and short in time and is free of damaging the to-be-tested object. The propagation time of the shear wave is extracted through phase analysis, so that the propagation speed of the shear wave is calculated accurately, thus obtaining the elasticity modulus of the to-be-tested object. The calculation load is greatly reduced and test time is shortened.

The invention discloses a garment elasticity detection device. According to the garment elasticity detection device, a convex sliding groove and a positioning circular groove are formed in a supporting vertical rod, and a convex sliding block and a movable frame are arranged on the supporting vertical rod, thus the position of a mechanism, namely an L-shaped clamping plate, arranged at the upper end of the supporting vertical rod can be adjusted and controlled according to the length of a to-be-measured garment, the phenomena that position marking is troublesome and even measurement cannot becarried out in testing are avoided, convenience is provided for the elasticity testing of the garment, then the elasticity testing can be carried out according to the actual situation of the garment,and the working efficiency is improved; and by arranging a clamping and locking mechanism on the L-shaped clamping plate, a good locking effect is achieved on the garment in the clamping state, the sliding phenomenon of the garment in the clamping state is avoided, then the accuracy of the position distance of the garment after elastic stretching is guaranteed, deviation is avoided, and the work quality of elastic testing is guaranteed.

The invention relates to a visible elasticity testing instrument and testing method for an elastic microsphere and belongs to a technology for evaluating a modifying and flooding agent for tertiary oil recovery in an oil field. The visible elasticity testing instrument mainly comprises a gas source, an intermediate container, 2-5 reducer pipes and a receiving container, wherein one reducer pipe comprises 2-3 different reducing parts to simulate a porous stratum system. The strength of the elastic microsphere is characterized through recording the maximal pressure acting on the elastic microsphere passing through the reducing parts, meanwhile, the average strength of one group of elastic microspheres and a number of the elastic microspheres passing through the reducer pipes under different pressures can be measured so as to select elastic microspheres suitable for different stratums. The visible elasticity testing instrument has the advantage of well simulating a capillary network structure in which wide and narrow holes in the stratums are strung together. In addition, the instrument is simple to operate.

The invention discloses a spring testing method comprising the steps: measuring a first elastic modulus value of a to-be-tested spring at room temperature; judging whether the first elastic modulus value is greater than a predetermined value; if the first elastic modulus is greater than the predetermined value, marking the to-be-tested spring as a to-be-tested sample, and recording and displaying the first elastic modulus value, and otherwise carrying out arm reminding; allowing the to-be-tested sample to bear a predetermined high temperature or bear a predetermined height and a predetermined pressure simultaneously within predetermined time, after reaching the room temperature, measuring a second elastic modulus value of the to-be-tested sample; and judging whether the second elastic modulus value is greater than a predetermined value, if the second elastic modulus value is greater than the predetermined value, recording and displaying the second elastic modulus value, and otherwise carrying out arm reminding. The invention also provides a spring elasticity testing device. The spring testing method and the testing device utilize the two conditions of the room temperature and the predetermined high temperature to measure the elastic modulus values of the spring, and thus the elastic property of the spring can be effectively tested, then defects of spring design and manufacture can be found out, and the reliability of a product is improved.

The invention relates to the technical field of cloth fabric processing, in particular to a home decoration curtain cloth fabric elasticity testing system and method.The system comprises a testing table, an elastic stretching mechanism is assembled on the testing table, and the elastic stretching mechanism comprises two stroke frames which are arranged in a reverse driving movement mode; tension sensors are correspondingly and fixedly installed on the two stroke frames, the two tension sensors are correspondingly connected with traction mechanisms, and the two traction mechanisms are arranged in a mirror image opposite mode. The system provided by the invention is simple in structure, can realize automatic opening of the tested fabric under manual auxiliary operation, can avoid insufficient opening of the fabric in the non-elastic stretching direction, can effectively control the consistency of the opening amplitude of the fabric, facilitates the elastic force test of the fabric, and improves the accuracy and effectiveness of the elastic force test of the fabric.

The invention discloses a soil body tester based on a soil body elasticity test and a test method thereof, the soil body tester comprises: a measurement cabin used for placing a test sample soil block, wherein the measurement cabin is a sealed cavity, and an extrusion device used for extruding the sample soil block is arranged in the measurement cabin; an elastic monitoring system which comprises a detection component which is connected to the sample soil block and is used for monitoring the elastic modulus of the sample soil block in real time when the sample soil block is extruded; and a humidity generating device which is arranged outside the testing bin, is communicated with the testing bin, can input dry gas or wet gas into the measuring bin and is used for changing the temperature or humidity in the measuring bin, so that the body structure of the sample soil block has consistent change with the temperature or humidity in the measuring bin. The tester can be widely applied to the technical field of geotechnical engineering.

The invention relates to the field of pressure testing, and especially relates to an IC card connector elasticity testing method and terminal, and a testing card and a testing machine. The IC card connector elasticity testing method comprises carrying pressure testing on a strain gauge on the testing card, recording and saving different strain values corresponding to different pressure values applied to the strain gauge, and obtaining a plurality of coordinate points; obtaining an expression between the pressure value and the strain value according to the plurality of coordinate points; obtaining the strain value of the strain gauge when the testing card is placed in the IC card connector; and obtaining the elasticity of the contact of the IC card connector according to the expression andthe strain value. According to the invention, the elasticity value of the contact in the IC card connector can be tested, and therefore whether the IC card connector meets the demand of an EMV standard on the elasticity of the contact of the IC card connector is effectively estimated, during the testing process, the IC card connector is not damaged, once a model between the strain gauge and the pressure is established, the elasticity of metal contacts in a batch of IC card connectors can be tested, the testing efficiency is improved, and the usage cost is reduced.

The invention relates to the technical field of yarn processing equipment, and discloses an automatic yarn elastic recovery degree testing device, which comprises an operation base plate and a testing pressing block, wherein a fixed spool is fixedly connected to the top of the operation base plate, a limiting spool is fixedly connected to the top of the operation base plate, and a limiting clamping groove is formed in the limiting spool; a winding clamping spool is movably connected into the limiting clamping groove, an electromagnet is fixedly connected into the limiting spool, and a driving motor is fixedly connected into the operation base plate. According to the automatic yarn elasticity recovery degree testing device, after the working voltage of a piezoresistor is reached, a driving motor drives a rotary driving shaft to rotate, so that a rotating block freely rotates in a wave-shaped groove, a driving supporting rod is driven to reciprocate up and down, yarn is pressed downwards through a testing pressing block, and the reciprocating elasticity testing process is achieved; and when the yarn elasticity recovery value reaches the limit, the yarn loses elasticity, the dielectric plate slides down again, the driving motor is turned off, the test process is completed, and the test result is recorded.

The invention discloses an online testing device for elastic force of a bent elastic sheet. The device comprises a workbench (1), wherein an elastic sheet transfer device (2) and an elastic sheet elasticity testing device (3) are arranged on the workbench (1); the elastic sheet transfer device (2) comprises a stepping motor (4) and a speed reducer (5) which are fixedly arranged on the workbench (1); an output shaft of the stepping motor (4) is connected with an input shaft of the speed reducer (5) through a coupler; an output shaft is arranged at the top of the speed reducer (5), and a rotarydisc (6) is installed on the output shaft of the speed reducer (5); the elastic sheet elasticity testing device (3) comprises a base (11) and a lifting air cylinder (12); and a pressure applying air cylinder (14), a guide rail B (15) and an elasticity tester (16) which are vertically arranged are fixedly arranged on the left end surface of a sliding plate (13) in sequence from top to bottom. The device has the advantages that the structure is compact, the elastic sheet testing efficiency is improved, the testing precision is improved, and the operation is simple.

The invention discloses a testing method for the memorizing function of a PTT fabric. The method comprises the steps of shearing the PTT fabric into detecting fabric in shape of a Chinese character Pin according to the testing requirement; folding the side parts of the detecting fabric; pressing the folded part of the detecting fabric through a heavy hammer of a folding elasticity testing instrument for the fabric for a certain period of time; releasing the pressure for 15 seconds; then testing and reading the instantaneous elasticity data through the folding elasticity testing instrument for the fabric; continuously releasing the pressure of the folded part of the detecting fabric; stopping pressing for 2 minutes; then testing and reading slow elasticity data through the folding elasticity testing instrument for the fabric; expanding the folded part of the detecting fabric; then flatly pressing the folded corners of the folded part through the heavy hammer of the folding elasticity testing instrument for the fabric for 5 to 20 minutes; releasing the pressure for 15 seconds; then testing and reading the instantaneous elasticity data through the folding elasticity testing instrument for the fabric. With the adoption of the method, the memorizing function of the PTT fabric can be quantitatively expressed; the operation is simple; the memorizing function of the fabric can be effectively evaluated.

The invention relates to a U-shaped spring clamp elasticity test system and an elasticity test method. The U-shaped spring clamp elasticity test system comprises: a testing tool, wherein the testing tool comprises a pressing block used for applying pressure to a U-shaped clamp, a cushion block used for positioning the deformation size of the U-shaped clamp and a containing table, the containing table is provided with a transverse groove used for containing the U-shaped clamp and allowing the pressing block to be inserted and a vertical groove allowing the cushion block to be inserted into theopening of the U-shaped clamp, and the transverse groove and the vertical groove are communicated in a crossed mode; a manual pressing machine which is used for applying pressure to the pressing block; and a detection assembly which is connected to the manual pressing machine and is used for detecting the elastic force of the U-shaped clamp. The U-shaped spring clamp elasticity test system is convenient to install, easy to operate, capable of utilizing existing equipment, simple in tool, small in machining difficulty and small in investment; and when the U-shaped spring clamp elasticity test system is used for elasticity testing, the elasticity value of the U-shaped spring clamp compressed under the specified size can be rapidly tested.

The invention relates to an elastic force testing machine and a point inspection method thereof. The elastic force testing machine comprises a machine table, and a testing table, a storage bin, a testing device and a moving mechanism which are arranged on the machine table, the testing table is used for placing a material for elastic force testing, and the elastic force testing is driven by the moving mechanism to move between the storage bin and the testing table; the testing device comprises a plurality of sensing assemblies distributed in a matrix, each sensing assembly comprises a force measuring sensor and a probe, the probe is arranged at the sensing end of the force measuring sensor, a plurality of weights used for point inspection of the force measuring sensors are placed in the storage bin, the probe is provided with a first contact part which is in contact with the material during elasticity testing and a second contact part which is in contact with the weights and is used for lifting the weights out of the storage bin during point inspection. According to the invention, point inspection and testing are separately contacted through the first contact part which cannot be magnetized and the second contact part which can be magnetized or has magnetism on the probe, so that point inspection of all force sensors on the machine table can be completed at one time, and complicated manual weight hanging and manual data confirmation are avoided.

The invention provides a yarn elasticity testing device for spinning. The yarn elasticity testing device for spinning comprises a mounting rack, wherein the mounting rack is provided with a threading hole, the front surface of the mounting rack is provided with a telescopic groove, the mounting rack is provided with an adjusting hole, and the bottom of the mounting rack is provided with a movable groove; and an elastic piece, wherein the bottom of the telescopic piece is fixed to the top of the mounting frame. According to the invention, the yarn transversely penetrating through the interior of the threading hole is horizontally arranged, and the symmetrically distributed movable pressing shafts can stably press and limit the two sides of a testing point during testing, so that the stability of the yarn during testing is kept; and during testing, hanging and mounting of the automatic detection equipment are completed through the lifting structure, manual operation is not allowed, and after testing is completed, only the hook frame needs to be automatically separated and reset, so that automatic elasticity testing is conveniently carried out on limiting in the machining process.

Provided is an elasticity testing socket for low-temperature application. The elasticity testing socket includes a heat conduction pedestal, a PCB circuit board, an elasticity thrusting needle, an elasticity needle guide plate and an assembly needle guide plate, and other parts. The elasticity needle guide plate and the assembly needle guide plate achieve precise alignment via a positioning pin. A pin of a focal plane assembly inserts the assembly needle guide plate and subsequently is in contact with the elasticity thrusting needle which is installed inside the elasticity needle guide plate. The elasticity thrusting needle is connected to the PCB circuit board at the bottom. Upon the testing of the testing socket, the focal plane assembly is secured to the heat conduction pedestal via a locking mechanism such as a screw. Soft metal is arranged between the heat conduction pedestal and the assembly for heat transmission. Under the action of elastic force of a spring, the needle pin of the focal plane assembly and the elasticity thrusting needle maintain a certain contact force without damage to the needle pin. The testing socket is compact in structure and easy to manufacture, can implement cooling of the focal plane assembly via the heat conduction pedestal, and is applicable to refrigeration testing of the high-density needle pin assembly.

The invention provides a film elasticity testing device. The film elasticity testing device comprises a rack, wherein the upper portion of the rack is provided with a control panel, a substrate is arranged under the control panel, the substrate is provided with a vertical moving device, the vertical moving device comprises a servo motor, a first screw mechanism and a force measuring device, a pressure detecting thimble is connected below the force measuring device, a bottom plate is welded to the bottom of the rack, a lateral moving device is arranged laterally on the bottom plate, a longitudinal moving device is arranged longitudinally on the bottom plate, and the longitudinal moving device is provided with a product fixing rack. The film elasticity testing device has the advantages thatthe automatic detection of elasticity data of film is achieved, the test precision is accurate, adaptable adjustment can be performed on a film production formula according to test results, and the film production efficiency is improved.