21results about How to "Little strength" patented technology

The invention discloses an externally-driven electric power-assisted endoscope operation part structure and an endoscope, and belongs to the technical field of endoscopes, the endoscope comprises an operation part structure, the operation part structure comprises an operation handle provided with a hand wheel and an endoscope body pipe steel wire traction mechanism, and the endoscope body pipe steel wire traction mechanism comprises a middle shaft and a driving wheel; a force sensor is arranged between the hand wheel and the driving wheel; the power assisting mechanism comprises a driving module provided with a driving motor, the driving module is arranged outside the operating handle and is connected with the operating handle through a hose, the driving motor is in transmission connection with the roller through an inhaul cable which is a steel wire rope, and the hose serves as an outer sleeve of the inhaul cable; the device further comprises a first measuring module and a second measuring module. According to the scheme, the influence of the power assisting structure on the size and the weight of the operating handle can be effectively reduced, and meanwhile the power assisting precision can be guaranteed.

The invention discloses an electric control valve protection device, and particularly relates to the technical field of electric control valve protection, the electric control valve protection device comprises an L-shaped fixing seat and an electric control valve, the electric control valve is fixedly connected with alarm mechanisms, the two alarm mechanisms are fixedly connected with the L-shaped fixing seat together, the lower part of the outer surface of the electric control valve is fixedly connected with a buffer mechanism, and the buffer mechanism is fixedly connected with the L-shaped fixing seat. The lower portion of the buffering mechanism is slidably connected with the L-shaped fixing base, a rotating mechanism is arranged on the lower portion of the outer surface of the electric adjusting valve, and a descending mechanism is arranged in the middle of the outer surface of the electric adjusting valve. According to the protection device for the electric control valve, resistance of hydraulic pressure in the electric control valve to closing operation is effectively counteracted through the hydraulic pressure of the collecting box, the shaft is easily pushed to close the valve, the difficulty and the required force for manually closing the valve in emergency are reduced, and the electric control valve can be rapidly closed in emergency; the electric control valve is subjected to two-way buffering protection through the buffering mechanism, and stable operation of the electric control valve is ensured.

A cartridge includes a first unit including a photosensitive member, and a second unit including a developer bearing member and a force receiving portion, the second unit being configured to be rotatable about a first axis to move with respect to the first unit between a first position and a second position. In a state where the first unit is in a same posture as when an image forming operation is performed, the second unit is disposed at the second position by its own weight. The developer bearing member is configured to be rotatable about a second axis. When seen in the direction of the first axis, a first distance between the force receiving portion and the second axis is smaller than a second distance between the first axis and the second axis and a third distance between the first axis and the force receiving portion.

The utility model discloses a high-viscosity colloid dispensing switch valve which comprises a driving cylinder body, a colloid feeding block arranged below the driving cylinder body, a piston rod capable of moving in the vertical direction and a colloid sealing head installed at the lower end of the piston rod. The outer side of the piston rod is sleeved with an upper piston disc and a lower piston disc respectively, and a spring in a compressed state is arranged between the lower surface of the lower piston disc and the inner wall of the bottom of the driving cylinder body. A plurality of air inlet holes are formed in the side wall of the piston rod and located above the upper piston disc, and a first air outlet hole is formed in the side wall of the piston rod and located between the horizontal partition plate and the lower piston disc. According to the utility model, the glue solution can be prevented from overflowing and wasting and damaging products under the conditions of power failure and gas failure, the acting force of the spring can be overcome, and the stability of the size of the glue outlet gap is ensured, so that the stability and the consistency of the glue outlet flow are ensured.

The invention discloses a polyester blended fabric with anti-pilling performance and a preparation method of the polyester blended fabric, and belongs to the technical field of after-finishing of polyester blended fabrics. The problem that the anti-pilling performance of the polyester blended fabric is poor is solved. The polyester blended fabric is soaked in a polydopamine solution, so that charge distribution, roughness and surface area of the surface of the polyester fiber are increased, then fiber surface modification treatment is carried out in a solution containing sodium bicarbonate, urea and sodium chloride, molecular chains of the polyester fiber are swelled by utilizing the urea and the sodium chloride, and the polyester fiber is formed. The surface area of the polyester fiber is further increased, and the orientation degree is reduced, so that bicarbonate radical ions fully permeate into the polyester fiber, the bicarbonate radical ions react with the polyester fiber more easily, the glass transition temperature of the polyester fiber is reduced, the polyester fiber is partially hydrolyzed, and finally the strength of the polyester fiber is reduced, and the surface becomes rough; the anti-pilling performance of the polyester blended fabric is improved under the effects that the fiber strength is reduced and the friction coefficient is increased.

Anchoring system for floating platform (100) that eliminates pitching and rolling movements of the floating platform (100), by means of several anchoring lines (200) attached to the seabed (5), which are supported by several rotary fixing means (2, 3) or pulleys of the floating platform (100) and are all joined together in a common counterweight (1) hanging from the platform (100). Each anchoring line (200) comprises sublines (200d, 200c) (direct, crossover or diagonal), which keep the counterweight (1) always in correspondence with the central axis (300) of the floating platform (100). It also eliminates the pendulum movement of the counterweight (1) and is valid for floating platforms (100) with an odd number of protruding structural arms (12). The system is applicable to any type of floating platform (100), although it is particularly suitable for floating platforms that support offshore wind turbines and marine leisure platforms.

The invention discloses a polyester blended fabric with anti-pilling performance and a preparation method thereof, and belongs to the technical field of polyester blended fabric finishing. The invention solves the problem of poor anti-pilling performance of polyester blended fabrics. The invention immerses the polyester blended fabric in a polydopamine solution to increase the charge distribution, roughness and surface area of ​​the polyester fiber surface, and then performs fiber surface modification treatment in a solution containing sodium bicarbonate, urea and sodium chloride, and uses urea and sodium chloride to swell the polyester fiber molecular chain, further increase the surface area of ​​the polyester fiber and reduce the orientation degree, so that bicarbonate ions fully penetrate into the polyester fiber, making it easier for bicarbonate ions to react with the polyester fiber, reducing the glass transition temperature of the polyester fiber, partially hydrolyzing it, and finally reducing the strength of the polyester fiber and making the surface rough, thereby improving the anti-pilling performance of the polyester blended fabric under the effect of reducing the fiber strength and increasing the friction coefficient.

The invention discloses a preparation device and method of a foldable curved-surface polyimide fiber film. Pretreated crease positioning columns are installed on crease positioning holes in a mold base, and fiber fixing columns are installed on other fiber fixing holes in the mold base; the two ends of the main fiber penetrate through positioning holes of the crease positioning columns respectively and are fixed; placing the polyimide fiber in a polyamide acid solution, winding the secondary fiber on the fiber fixing column and the main fiber to prepare a polyimide fiber grid, carrying out heat setting treatment, spraying the polyimide solution on the polyimide fiber grid, and carrying out thermal imidization; the polyimide composite film subjected to thermal imidization is demolded and dried, and the fiber-reinforced foldable curved surface polyimide fiber film is obtained. The film provided by the invention has excellent high strength, high toughness, high heat resistance, corrosion resistance and the like, has good foldability and machinability, and has wide application prospects in the fields of aerospace, electronic information and the like.

Disclosed is a handle linkage structure and a handle assembly having the same. The handle assembly includes: a holder, a first connecting part, a second connecting part, a guide pin, and a handle. The first connecting part is rotatably disposed on the holder around an axial direction, the second connecting part is sleeved on the other end of the first connecting part at, and the guide pin is slidably disposed in the holder along the axial direction. The guide pin has a side surface abutting against an end of the second connecting part close to the holder and the inclined surface of the first connecting part. The handle is sleeved on the other end of the holder, and the other end of the second connecting part abuts against the assembly hole of the handle. When the handle is pushed or pulled, the second connecting part can be driven to move into the holder, and then the first connecting part can be driven to rotate through the guide pin, causing the square core of the lock at the other end of the first connecting part to rotate, thereby realizing unlocking.

The utility model provides a paper composite yarn with unequal twist. The paper composite yarn comprises a paper yarn, the first modified polyester supercool multifilament and the second modified polyester supercool multifilament are sequentially wrapped on the outer surface of the paper yarn from inside to outside, the twisting direction and the wrapping twisting direction of the first modified polyester supercool multifilament are both opposite to the twisting direction of the paper yarn, the twisting direction and the wrapping twisting direction of the second modified polyester supercool multifilament are both the same as the twisting direction of the paper yarn, and the first modified polyester supercool multifilament and the second modified polyester supercool multifilament are arranged on the outer surface of the paper yarn. The twist of the paper yarn, the twist of the first modified polyester supercool multifilament and the twist of the second modified polyester supercool multifilament are sequentially reduced, and the coating twist of the first modified polyester supercool multifilament and the coating twist of the second modified polyester supercool multifilament are sequentially reduced.

The invention belongs to the field of adjusting devices, particularly relates to a response speed adjusting device based on a fluorine chemical small vacuum electric valve and a using method of the response speed adjusting device, and aims to solve the problem that medium leakage is easily caused in the prior art The response speed adjusting device comprises a valve body, an actuator, an electric control flange plate, a connection detection bin, a density detection assembly, an adjusting assembly and a ball valve. The actuator can control opening and closing of the ball valve, the density detection assembly can detect the density of a medium in the connection detection bin, and when the actuator controls the ball valve to be closed, the adjusting assembly and the ball valve are properly attached, and through the density detection assembly and the adjusting assembly, the device can adjust the density of the medium according to the density of the medium flowing in the valve body. In the closing process of the valve, the sectional area of the medium flow is properly adjusted, meanwhile, the flow speed of the medium is effectively reduced, potential damage to the device caused by the water hammer effect due to sudden change of the flow speed is reduced, and the adaptability and stability of the valve are enhanced.

A door lock device is disclosed. The door lock device includes: a body; a solenoid comprising a bobbin on which a coil is wound, and a plunger that is elongated to have a portion exposed to an outside of the solenoid and configured to be magnetized by the coil so as to slide inside the bobbin, the solenoid being disposed in the body; a first slider into which the portion of the plunger exposed to the outside of the solenoid is inserted, the first slider being configured to move in a sliding direction of the plunger; and a first elastic member having a first end supported by the plunger and a second end supported by the first slider.

Provided is a double container where an inner bag can be easily pulled out from an outer shell. According to the present invention, a double container comprising a container body and a mouth part attachment member is provided. The container body includes a mouth part and a body part and a bottom part. The mouth part is a tubular portion having an open end. The body part is arranged adjacent to the mouth part on a side farther from the open end than the mouth part, and has a larger outer diameter than the mouth part. The bottom part is configured to close a lower end of the body part. The container body includes an inner bag and an outer shell arranged to cover the inner bag. And the mouth part attachment member is configured to be attachable to the mouth part, and is configured such that the inner bag rotates as the mouth part attachment member rotates.

This utility model discloses an electric crochet hook, including a hook shell and a hook body. The hook shell has detachable covers at its front and rear ends. The hook shell is provided with a mounting mechanism, and a transmission mechanism is fixedly installed inside the hook shell through the mounting mechanism. The output end of the transmission mechanism is connected to the hook body, and the transmission mechanism drives the hook body to reciprocate and extend. The transmission mechanism transforms manual operation into electric drive, reducing the user's hand involvement, preventing muscle strain during prolonged operation, solving the problem of hand fatigue, and greatly reducing the hand strength and dexterity required for hand crochet. This allows users to complete crochet tasks independently, breaking through the high hand function requirements of traditional crochet hooks.

The utility model relates to rehabilitation training equipment technical field especially, more particularly to a rehabilitation is with knuckle joint training ware, including wrist support, install the wrist band on the wrist support, the top surface symmetry fixed connection of wrist support has fixed block, rotatoryly connected with the rotary lever on the fixed block, the rotary lever fixed connection has the adjusting frame on, the one end fixed connection of adjusting frame away from rotary lever has the transverse board, still include adjusting assembly, adjusting assembly is used for adjusting the angle of adjusting frame, protection assembly, protection assembly is used for protecting finger injury. The utility model through the rotary knob drives the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the position of the

The invention discloses a method for improving fabric tearing resistance and pilling resistance after multiple times of washing, and belongs to the technical field of fabric printing and dyeing. Comprising the following steps: (1) pretreatment: turning a gray fabric, sewing, padding in a cold pad batch working solution for piling, padding in a scouring and bleaching working solution, singeing, feeding the fabric through a mercerizing machine, padding in an alkali solution, washing and the like to obtain a semi-finished product; (2) dyeing: feeding the semi-finished product into cloth, padding in a dyeing solution at room temperature, then sequentially carrying out infrared drying, hot air drying, drying, baking, cold water roller treatment, cropping frame treatment and cloth feeding padding in a reducing solution, and finally sequentially carrying out cold water washing and other treatment to obtain dyed cloth; and (3) after-finishing: feeding the dyed cloth, padding in an after-finishing working solution, and then sequentially carrying out photoelectric weft straightening, tentering baking, cold water rolling and the like. The method effectively solves the problems that in the prior art, improvement of the tearing performance of the fabric is incompatible with the repeated washing resistance and the pilling resistance, the tearing loss rate of the fabric is high, and the pilling resistance has adverse effects on the tearing of the fabric.

The present invention relates to the field of protection of electric power devices, and in particular to a protector for electric power devices with multiple protection functions, including a bearing seat, a support column I, a mounting plate, a movable fixed plate and a limit buckle, etc.; a plurality of support columns I are mounted on the left side of the bearing seat, and a mounting plate is mounted on the top of all the support columns I together, and the bearing seat, all the support columns I and the mounting plate form a basic protection frame for protecting the electric power device; a plurality of movable fixed plates are slidably connected to the bearing seat; the bearing seat and the mounting plate are both equipped with limit buckles, and the limit buckles are located in front of the movable fixed plate. The present invention sets a cavity between the mounting plate and the rubber frame, and when a falling object falls onto the rubber frame, the rubber frame is sunken downward, and the impact force generated by the falling object diffuses to the periphery with the area where the rubber frame is sunken downward as the base point, and the impact force generated by the falling object begins to weaken, and the damage to the mounting plate is reduced again.

The application relates to the technical field of file dense cabinets, and discloses an intelligent file dense cabinet, which comprises a storage rack and a track, the lower ends of the two sides of the storage rack are rotationally connected with driving shafts, the front and rear ends of the driving shafts are fixedly connected with pulleys, the inner front side of the storage rack is provided with a driving mechanism, the inner two sides of the storage rack are uniformly distributed with adjusting and placing mechanisms, the upper ends of the adjusting and placing mechanisms are provided with clamping mechanisms, the driving mechanism comprises double-groove pulleys one, a driving box and bevel gears two, the double-groove pulleys one are connected with single-groove pulleys one and double-groove pulleys two through transmission belts one, and the front and rear sides of the driving box are rotationally connected with adjusting rods. Through cooperation of the adjusting and placing mechanisms and the clamping mechanisms, the file boxes can be automatically limited after being stored in the file dense cabinet, and the file boxes can be prevented from being dumped due to movement of the file dense cabinet.

A gear manufacturing apparatus, which is capable of efficiently forming a tooth surface that does not suffer from breakage due to a phase shift at the start of meshing, is provided. The present invention provides a gear manufacturing apparatus configured to grind a gear workpiece 9 including teeth 90 formed on its outer circumferential surface, by meshing and rotating the gear workpiece 9 and a threaded tool 8 including one or more spiral processing teeth 80 formed on an outer circumferential surface of a base portion 8A of the tool 8, including: a control device 7 configured to execute a corner portion grinding control in which one corner portion among four corners of each tooth surface of the gear workpiece 9 is ground such that a termination 80z, which is an edge of the processing tooth 80 in a tooth trace direction, comes into contact with the gear workpiece 9, utilizing only a termination tooth surface R1 or R2 in a one-side tooth surface 811a of the processing tooth 80 or the other-side tooth surface 811b of the processing tooth 80, the termination tooth surface R1, R2 being set to include part of the termination 80z and being one closed region.

This utility model provides a claw sickle for harvesting millet, including a main body plate. The main body plate is rectangular and gradually thins from top to bottom in the width direction. The lower end of the main body plate extends to one end face in the thickness direction to form a blade. An arc-shaped notch is opened in the center of the long side of the main body plate, and an arc-shaped baffle is provided above the arc-shaped notch. The edge of the arc-shaped notch and the edge of the adjacent arc-shaped baffle form a thumb hole. By setting a thumb hole formed by the arc-shaped notch and the arc-shaped baffle at the upper part of the main body plate, the traditional rope loop is replaced, providing a stable space for the thumb to pass through and avoiding thumb slippage and deviation, thereby reducing the difficulty of operation. By designing the main body plate to gradually thin from top to bottom in the width direction and extending to one end face in the thickness direction at the lower end to form a blade, the blade contacts the ear handle to form a preset fitting angle, reducing the frequency and force of large-angle turning of the wrist, thereby reducing physical exertion.

According to the transmission structure of the mechanical arm, output shafts of a fourth shaft motor, a fifth shaft motor and a sixth shaft motor of the mechanical arm are located on the same straight line; the transmission structure comprises a transmission structure between the fourth shaft motor and the fourth shaft speed reducer, a transmission structure between the fifth shaft motor and the fifth shaft speed reducer, and a transmission structure between the sixth shaft motor and the sixth shaft speed reducer; according to the transmission structure, the output of each motor is transmitted to the speed reducer of each moving shaft of the mechanical arm, the overall structure is compact, and compared with an existing structure, the equipment weight is reduced.