34results about How to "Change the amount of deformation" patented technology

The invention relates to a high-environmental-tolerance air pressure type anemometer. The high-environmental-tolerance air pressure type anemometer comprises a flow guide assembly, an air pressure detection assembly and a pressure stabilizing assembly. The flow guide assembly includes an air duct cavity composed of an upper drainage surface and a lower drainage surface, wherein the upper drainage surface and the lower drainage surface are parallel to each other; the air pressure detection assembly includes a closed cavity, the closed cavity is located in the center of the low drainage surface, the upper portion of the closed cavity is of a spherical surface shape, the spherical surface of the closed cavity is made of a soft film, and a pressure sensor is arranged at the round bottom of the closed cavity; a plurality of air guide plates are arranged between the upper drainage surface and the lower drainage surface in an annular array mode, the axes of the air guide plates are located in the direction of the diameter of the closed cavity, and the plane where the air guide plates are located is perpendicular to a pressure bearing surface; the pressure stabilizing assembly comprises a pressure controller and an air pump, the ultimate bearing pressure of the spherical surface of the closed cavity is A, and actually measured wind pressure is B; when (A-B) / A is smaller than 10 percent, the pressure controller starts the air pump to pressurize the closed cavity; when (A-B) / A is greater than 10 percent, pressurization is stopped.

The invention discloses a leather doffing mechanism. The leather doffing mechanism comprises a rack. The rack comprises a cloth discharging end, a plurality of cloth guide rollers and a cloth spreading end located on one side of the cloth discharging end. The cloth spreading end comprises a cloth spreading table and a pressing roller, wherein the two ends of the cloth spreading table are installed on the rack, the cloth spreading table comprises a plurality of fixing rods installed on the rack and a driving belt ring arranged on the fixing rods in a wound mode, the two ends of the pressing roller are arranged on the rack in a sliding mode, and the pressing roller is placed on the upper surface of the driving belt ring. The leather doffing mechanism has the advantages that by the use of a novel mechanical structure in the scheme, the pressing roller is arranged on the driving belt ring in the sliding mode so that the position of the pressing roller on the driving belt ring can be adjusted along with tension borne by base cloth so as to change the deformation of the base cloth, and accordingly the effect of preventing the base cloth from being excessively stretched or shrunk and ensuring the quality of the base cloth is achieved.

The invention provides a combined rolling body antifriction bearing capable of increasing the contact wrap angles of rolling bodies. The antifriction bearing comprises a bearing inner ring, a bearing outer ring and the combined rolling bodies evenly distributed between the bearing inner ring and the bearing outer ring. The outer surface of each combined rolling body is a surface wear-resistant material layer with the elasticity modulus being E1. The core part of each rolling body is a core part soft base material layer with the elasticity modulus being E2. The surface wear-resistant material layer and the core part soft base material layer of each rolling body are fixedly connected. The thickness H1 of the surface wear-resistant material layers is smaller than the thickness H2 of the core part soft base material layers. In this way, the deformation of the surface wear-resistant material layers with the elasticity modulus being E1 is increased, and E2=E1*(40%-60%). Under the effect of a load, the two kinds of material layers deform at the same time, and thus the contact wrap angles of the rolling bodies and a raceway are effectively increased; meanwhile, the intensity of pressure of the contact positions is reduced, and the problems that the bearing rings are abraded and a lubrication film raptures in an interference state are solved.

The invention discloses an automatic protection mechanism on a treadmill, which comprises a treadmill platform, brackets and first springs, and further comprises a connecting rod for connecting the brackets on the two sides; the adjusting device is arranged on the connecting rod and comprises a movable supporting seat, and a first spring is arranged between the supporting seat and the treadmill; a driving block and a driving rod are arranged in the driving device, so that the driving device is connected with the treadmill; the connecting pipe is connected with the adjusting device and the driving device. Water in the driving device is driven to be conveyed into the adjusting device through vibration of the treadmill, when the conveying amount is larger than the outflow amount, the supporting base drives the spring to move, the deformation amount generated by the spring is changed, when the supporting base extrudes the pressed plate, the rotating shaft rotates, the adjusting block is pulled through the pull rope, and the output amount is made to be the same as the outflow amount; the driving block moves upwards to open the first one-way valve and moves downwards to close the first one-way valve, the second one-way valve feeds water into the adjusting device under pressure, and the third one-way valve feeds water into the driving device through the water pump.

The invention discloses a miniaturized magneto-electricity energy converter with controllable temperature and controllable stress. The miniaturized magneto-electricity energy converter with the controllable temperature and the controllable stress comprises a magneto-electricity composite structure, an encapsulation shell, an antimagnetic screw, an antimagnetic piston and a plurality of semiconductor temperature control sheets which are arranged on the upper surface of the magneto-electricity composite structure. The magneto-electricity composite structure is a laminated composite structure composed of two pieces of giant magnetostrictive material and a piece of piezoelectric material in a laminated adhesion mode, wherein the piezoelectric material layer is clamped between the two pieces of giant magnetostrictive material. A hole is formed in one side surface of the encapsulation shell and the antimagnetic screw is placed in the hole. The antimagnetic piston makes contact with the upper piece of giant magnetostrictive material and the lower piece of giant magnetostrictive material of the magneto-electricity composite structure, and the antimagnetic piston and the piezoelectric material are arranged in the encapsulation shell in a spaced mode. An antimagnetic spring is arranged between the antimagnetic screw and the antimagnetic piston. A groove is formed in the side face, making contact with the giant magnetostrictive material, of the antimagnetic piston, and one end of the piezoelectric material is arranged in the groove. The upper face and the lower face of the piezoelectric material are coated with metal films serving as electrodes. The metal films are connected with an electrode line. The miniaturized magneto-electricity energy converter with the controllable temperature and the controllable stress has the advantages that the structure is simple, the size is small, use is easy, the use error is small, and the temperature and the pressure are controllable.

The invention discloses an ultrasonic vibrating cylindrical fatigue sample integral type axial texture grinder, relates to the technical field of axial texture grinders, including an ultrasonic generator and a workbench, the top of the slider is fixedly connected with an ultrasonic base, and the ultrasonic base The internal fixed connection has a spring shaft. In the present invention, by setting an ultrasonic generator and adding ultrasonic vibration, the whetstone is vibrated at a high frequency perpendicular to the grinding direction according to a certain frequency and a certain amplitude, thereby improving the processing efficiency, high processing efficiency and making the surface of the metal fatigue sample produce Uniform and fine cut marks, reduced surface roughness, and improved machining accuracy. By setting the spring shaft, the spring outside the spring shaft can be adjusted through the adjustment nut. When grinding, the deformation of the spring can be changed, thereby changing the whetstone. Grinding pressure on metal fatigue samples, and can stabilize the pressure when the position of the adjusting nut remains unchanged to ensure the grinding effect.

The invention discloses a control device for automatically adjusting the pretightening force of a main shaft shaft system, which is provided by installing an outer ring spacer assembly and an inner ring spacer between two adjacent bearings along the axial direction of the main shaft core , the outer ring spacer assembly includes a piezoelectric ceramic spacer, a displacement sensor, an outer ring spacer, and a pressure sensor. By changing the deformation of the piezoelectric ceramic spacer, the height of the outer ring spacer assembly is changed, thereby changing the outer ring spacer. The height difference between the sleeve assembly and the inner and outer spacers in the axial direction changes the interaction force between the outer ring of the bearing and the inner ring of the bearing, that is, the preload of the spindle bearing, and realizes the flexibility of the preload of the spindle bearing. Adjustment can match the lathe processing with the type of parts, and realize the targeted processing of parts. The invention also provides corresponding control system, method, electronic equipment and storage medium.

The invention belongs to the field of a control platform, and particularly relates to an insulated and isolated multidirectional control platform and a control manner thereof. The insulated and isolated multidirectional control platform are characterized in that the insulated and isolated multidirectional control platform comprises an adjusting platform and a power supply system; the platform further comprises a control module which is electrically connected with the power supply system; a sensor module which is electrically connected with the control module; an acting module which is electrically connected with the control module; and a push rod protecting cylinder which is electrically connected with the control module. The push rod protecting cylinder comprises the components of a cylinder body which sleeves the acting module; a position adjusting column which is welded the cylinder body and is electrically connected with the control module; and a water-absorbing cotton roller whichis in snapped connection with the position adjusting column. The water-absorbing roller has functions of absorbing water spots on the push rod, filtering steam and supplying steam. The position adjusting column performs functions of adjusting positions of the water-absorbing roller and the push rod and a distance between the water-absorbing roller and the push rod, changing the deformation amountof the water-absorbing cotton roller and making the water-absorbing roller rotate.

The invention provides an optical fiber collimator and a TO packaging alignment device, belonging to the technical field of optical fiber testing, comprising: a base, a first groove suitable for placing an optical fiber collimator on the top surface, and a first groove suitable for placing a TO package Two tanks; the first pressing structure; the second pressing structure. The optical fiber collimator and TO package alignment device provided by the present invention, when the optical fiber needs to be tested, the optical fiber is installed in the collimator first, then the collimator is placed in the first groove, and the TO package is placed in the second groove In the body, after aligning the position, control the first pressing structure and the second pressing structure to press down respectively, and fix the fiber optic sight and the TO package. During the operation, you only need to put the fiber optic sight and the TO package into the The alignment between the optical fiber collimator and the TO package can be completed by touching the corresponding groove body, and the optical fiber can be tested directly through the TO package, which is easy to operate and high in efficiency.

The invention discloses a manual gate valve. The manual gate valve comprises a valve frame; a valve frame cross beam is arranged between the front inner side wall and the rear inner side wall of a valve frame; a sealing ring positioning sleeve is arranged on the upper surface of the valve frame cross beam and internally provided with a sealing cavity; sealing rings are symmetrically arranged in the sealing cavity up and down; by the adoption of the sealing mode of the two sealing rings, good leakproofness is ensured; a plurality of adjusting bolts are arranged, it is ensured that pressure of apressing plate on sealing ring pressing pads is even and stable, reliable sealing is ensured, and the pressure of the pressing plate on the sealing ring pressing pads is changed by adjusting the pretightening force of the adjusting bolts; the pressing plate extrudes the sealing ring pressing pads, the sealing ring pressing pads extrude the sealing rings, the deformation amount of the sealing rings is changed, and reliable sealing of a valve plate is ensured; and the structure is compact and reasonable, an upper cover board is omitted, the production cost is reduced, sealing is more reliable,the fault rate is low, the service life is long, maintenance is convenient, the downtime is shortened, and the cost is saved.

The invention relates to a wind pressure anemometer with high environmental tolerance, which includes a flow guide assembly, a wind pressure detection assembly and a voltage stabilizing assembly. cavity; the wind pressure detection component includes a closed cavity, which is located in the center of the lower drainage surface, the upper part of the closed cavity is spherical, the spherical surface of the closed cavity is made of soft film, and the circular bottom of the closed cavity is provided with a pressure Sensor; a number of wind deflectors are arranged in a circular array between the upper drainage surface and the lower drainage surface, the axis of the wind deflectors is located in the diameter direction of the closed cavity, and the plane where the wind deflectors are located is perpendicular to the pressure sensing surface; the voltage stabilizing component includes Pressure controller and air pump, the limit bearing pressure of the spherical surface of the closed chamber is A, and the measured wind pressure is B. When (A‑B) / A is less than 10%, the pressure controller starts the air pump to pressurize the closed chamber , when (A‑B) / A is greater than 10%, stop pressurizing.

The invention relates to a low wind resistance anemometer, which comprises a flow guide assembly, a wind pressure detection assembly and a voltage stabilizing assembly. It includes a closed cavity, which is located at the center of the lower drainage surface, the upper part of the closed cavity is spherical, the spherical surface of the closed cavity is made of soft film, and a pressure sensor is arranged on the circular bottom of the closed cavity; on the upper drainage surface There are several air deflectors arranged in a circular array between the lower drainage surface and the axis of the air deflector is located in the diameter direction of the closed cavity, and the plane where the air deflectors are located is perpendicular to the pressure sensing surface; between the upper drainage surface and the lower drainage surface A number of columns are arranged, and the columns are arranged around the closed cavity; an annular trapezoidal filter net is arranged between the edge of the upper drainage surface and the edge of the lower drainage surface.

The invention discloses a reliably connected and adjustable bearing pre-tightening structure and an assembling method. In the present invention, two adjusting rings are installed on the outer thread surface of the rotating shaft, and a gap is left between the two adjusting rings. Under the action of the tightening force of the screws on the two adjusting rings, the two adjusting rings are deformed and fixed on the rotating shaft. The gap of the ring can be adjusted, so as to control the tightening force of the adjustment ring and the rotating shaft, and realize the reliable connection between the threaded pressure ring and the rotating shaft when the stable platform bears the working load in the same or opposite direction as the bearing preload and greater than the preload force. The connection force between the threaded pressure rings on both sides and the rotating shaft can be adjusted according to the different working loads, and there is no need to disassemble the shaft system.

The invention discloses an automatic protection mechanism on a treadmill, comprising a treadmill, a bracket, a first spring, and further comprising: a connecting rod for connecting the two sides of the support; an adjusting device, which is arranged on the connecting rod and includes a movable support The seat, the first spring is arranged between the support seat and the treadmill; the drive device, a drive block and a drive rod are arranged in the drive device to connect with the treadmill; the connecting pipe connects the adjustment device and the drive device. The vibration of the treadmill is used to drive the water in the drive device to the adjustment device. When the conveying volume is greater than the outflow, the support seat drives the spring to move, changing the amount of deformation generated by the spring, and when the pressure plate is squeezed by the support seat, the rotating shaft is moved. Rotate and pull the adjustment block by pulling the rope, so that the output volume is the same as the outflow volume. Set the drive block to move up to open the first one-way valve, move down to close the first one-way valve, and set the second one-way valve to be pressurized. Water is supplied to the regulating device, and a third one-way valve is arranged to supply water to the driving device through a water pump.

The invention relates to an anti-pollution anemometer, which comprises a flow diversion assembly and a wind pressure detection assembly. Cavity, the closed cavity is located in the center of the lower drainage surface, the upper part of the closed cavity is spherical, and a pressure sensor is arranged on the circular bottom of the closed cavity; the closed cavity is filled with gas; it is set between the upper drainage surface and the lower drainage surface There is an annular filter screen; the anemometer also includes a casing, the casing includes a truncated cone-shaped upper casing arranged on the top of the upper drainage surface and a lower casing arranged on the lower part of the drainage surface, the lower casing includes an air guiding ring and a supporting part, and the closed cavity is fixed on On the support part, the air guide ring is fixedly connected to the support part through several connecting rods, and an annular sewage discharge cavity with openings at both ends is arranged between the air guide ring and the support part; between the bottom of the upper shell and the upper part of the air guide ring There is an annular air guide cavity.

The invention relates to a wind pressure anemometer, which comprises a flow diversion assembly and a wind pressure detection assembly. The closed cavity is located in the center of the lower drainage surface. The upper part of the closed cavity is spherical. The spherical surface of the closed cavity is made of soft film. A pressure sensor is installed on the circular bottom of the closed cavity. The pressure sensor includes a circular The pressure sensing surface; the closed cavity is filled with gas, and the spherical soft film of the closed cavity is supported by the aforementioned gas; a number of air deflectors are arranged in a circular array between the upper drainage surface and the lower drainage surface, and the axis of the air deflector is located at In the diameter direction of the closed cavity, the plane where the air guide plate is located is perpendicular to the pressure sensing surface.