177 results about "Working life" patented technology

The invention discloses a water-based multi-layer degradable self-polishing ship antifouling coating system and a preparation method thereof, and belongs to the field of marine anticorrosion and antifouling materials. The system is composed of a zinc-rich primer, a modified epoxy intermediate paint and a functionalized finish paint. The finish paint takes polyhydroxyalkanoate as a matrix, and integrates a self-stratification modifier capable of forming a silicon-rich top layer during curing and a latent dual-curing system capable of realizing normal-temperature curing through a synergistic effect. According to the present invention, the mixing mechanism of dynamic self-polishing and static fouling release is adopted, and the innovative curing technology is combined, such that the long working life, the excellent mechanical property and the long-acting antifouling ability are achieved. The drawing adhesive force of the system is not lower than 7.9 MPa, and the environment-friendly requirements that the content of volatile organic compounds is smaller than or equal to 50 g / L, and the content of free diisocyanate monomers is smaller than or equal to 0.1 wt% are met.

The invention discloses a magnesium alloy electric drive main shell mold wear detection method and system based on machine vision, and belongs to the technical field of mold predictive maintenance. According to the method, three-dimensional point cloud, a surface texture image and an infrared thermogram of a mold are synchronously collected, and point cloud data fused with multi-modal information is generated through multi-sensor joint calibration and high-precision registration; geometric, texture and thermodynamic features are extracted and fused from the features, and a cross-modal feature vector is constructed; intelligent judgment of the wear level of the mold and accurate prediction of the remaining service life are achieved through the trained LightGBM ensemble classification model and the long-short-term memory network time sequence regression model; and finally, associating and visualizing the evaluation result and the three-dimensional model, and automatically generating a structured detection report. According to the method, comprehensive quantification, intelligent evaluation and accurate prediction of mold wear are realized, and the detection efficiency and the scientificity of maintenance decision are remarkably improved.

The invention discloses a turbine service life prediction method, system and device and a storage medium, and relates to the technical field of engines, and the method comprises the steps: fitting a stress spectrum according to the actual working rotating speed spectrum of a turbine and the relation between the rotating speed and the stress; calculating the total fatigue damage at the blade root of the turbine blade after the target working duration based on the stress spectrum; calculating the total creep damage at the blade root of the turbine blade after the target working duration based on the stress spectrum, the rotating speed spectrum of actual operation and the temperature spectrum; and predicting the comprehensive life of the turbine according to the total fatigue damage and the total creep damage. According to the method, the fatigue creep comprehensive life prediction method under the given actual road spectrum is constructed, the working life of the supercharger turbine can be predicted more accurately by comprehensively considering various influence factors of the turbine under the actual working condition, and therefore the performance and safety of the turbine are improved, and stable operation of the turbine is guaranteed.

The invention relates to the technical field of image equipment, and discloses a control method and system for a refrigeration module of a closed cavity, and the method comprises the steps: obtaining the temperature of the refrigeration module, the error of refrigeration module temperature detection equipment, the temperature of a heating end, the temperature of the cavity and the humidity of the cavity in real time; determining a target temperature interval according to the cavity temperature, the cavity humidity, the refrigeration module temperature detection equipment error, the heating end temperature and the cavity temperature; and the working state of the refrigeration module is adjusted according to the refrigeration module temperature and the target temperature interval. By adopting the method and system provided by the invention, the temperature of the refrigeration module can be effectively controlled, the internal temperature of the closed cavity is reduced, the heat emitted by the heating end of the device is released, the condensation phenomenon on the refrigeration module is prevented, and the service life of equipment is prolonged; meanwhile, the working state of the refrigeration module is adjusted by taking the target temperature interval instead of a single temperature point as a reference, and the situation that the service life of the refrigeration module is shortened due to frequent switching on and off of the refrigeration module is avoided.

The utility model discloses a connector and a liquid cooling system. The connector includes a plug and a sleeve. Wherein the plug comprises a locking part; the sleeve comprises a rolling shaft and a first valve body, the first valve body is provided with a containing cavity, the rolling shaft is arranged on the first valve body in a rolling mode, and a part of the rolling shaft is located in the containing cavity; and under the condition that the plug is inserted into the accommodating cavity, the rolling shaft abuts against the locking part so that the plug is locked in the sleeve. According to the fluid connector, the rolling shaft abuts against the locking part so that the plug can be locked in the sleeve, the contact between the plug and the sleeve is linear contact, under the working condition of high-pressure fluid, the surface of the rolling shaft can be prevented from being abraded or crushed to a certain extent through the linear contact, and therefore the connection stability of the fluid connector is improved, and the working life of the fluid connector is prolonged.

The invention relates to the technical field of agricultural power, and discloses a breakage-proof soil turning device for vegetable planting, which comprises a connecting rod and a rack which are arranged on the rear side of a tractor, the rack is arranged at the other end of the connecting rod, a driving shaft is arranged on the rack, a tractor transmission wheel is arranged in the middle of the driving shaft, and a plurality of short arms are arranged on the driving shaft. According to the technical scheme, the connecting rod is installed on the cutter handle, the piston block is installed on the connecting rod, the piston cavity is formed in the soil turning rod, and through cooperation of the piston block and the spring, in the working process of the soil turning machine, the soil turning rod can turn over the soil, so that the soil turning efficiency is improved, and the soil turning efficiency is improved. When the coulter touches hard soil blocks, the coulter can be shortened in time, the buffering effect is effectively achieved, meanwhile, abrasion of a coulter head is reduced, the service life of the rooter is prolonged, and the problem that a scraper knife is prone to abrasion due to the fact that the hard soil blocks exist in part of unrenovated land is solved.

The utility model provides a rotary window cover and a laser line marking instrument, the rotary window cover is movably installed on a laser window of the laser line marking instrument, and an assembly strip is arranged on the inner side of the laser window. The rotary window cover comprises a cover body, glass, a first sealing gasket, a second sealing gasket, a bottom cover and collision beads, the cover body is movably installed on the laser window, the glass is installed in the cover body, the front end and the rear end of the glass are tightly attached to the first sealing gasket and the second sealing gasket respectively, and the bottom cover is connected with the cover body through screws; a first groove is formed in the end face of the rear end of the bottom cover, and a collision bead is arranged on the assembly strip and clamped into the first groove. A second groove and a third groove are formed in the bottom cover, the second groove is a concave groove, the third groove is a cutting type L-shaped groove, a protrusion is arranged on a groove opening of the second groove, the protrusion is elastic through the second groove and the third groove, and the protrusion is used for eliminating axial gaps. The rotating device is simple in structure and convenient for an operator to accurately rotate, and meanwhile, dust and water drops are effectively prevented from entering the shell to influence the service life.

The present invention provides a two-phase jet cooling radiator for high-power density chips, belonging to the technical field of chip cooling and heat dissipation. The cooling radiator includes a coolant cavity housing, a jet manifold layer, a jet flow channel plate, and a porous medium layer; a liquid distribution cavity is formed in the coolant cavity housing; a jet cavity is formed in the jet manifold layer, and jet holes are uniformly distributed on the jet cavity; the jet flow channel plates are all installed in the jet cavity, and their jet flow channels are all arranged vertically, and one end of each jet flow channel is connected to the corresponding jet hole; the gaps between the jet flow channel plates in the lower space of the jet cavity are filled with the porous medium layer. The present invention utilizes the influence of the small-aperture porous medium layer on bubble dynamics, improves the critical heat flux density in the heat dissipation process, increases the heat dissipation per unit area, prolongs the working life of the chip, improves the working stability of the chip, and plays an important role in ensuring the stable operation of the chip under the working conditions of high heat flux density and high integration.

The present invention relates to the technical field of electric spindle cooling, and particularly relates to a high-speed electric spindle core cooling device and a using method thereof, including: a spindle core, a liquid distribution plate, and a liquid supply plate for supplying liquid to the liquid distribution plate; the spindle core has a plurality of first passages and a plurality of second passages, and the liquid distribution plate is provided with a plurality of guiding passages; the liquid supply plate is provided with a plurality of drainage tubes corresponding to the guiding passages, one end of the drainage tube is fixed on the liquid supply plate, and the outer cylindrical surface of the other end is provided with a sealing ring and is embedded in the guiding passage; a sliding sleeve is arranged on the outer side of the liquid supply plate, the sliding sleeve is fixedly connected with the liquid supply plate and is slidably arranged with the liquid distribution plate, a driving member is arranged on the sliding sleeve, and the driving member drives the sliding sleeve to drive the liquid supply plate to move towards or away from the liquid distribution plate, so that the drainage tube makes a telescopic movement in the guiding passage, accelerating the flow rate of the cooling liquid, improving the cooling efficiency, reducing the temperature rise inside the electric spindle, improving the performance of the electric spindle, and prolonging the working life of the electric spindle.

The present invention relates to the field of air compression technology, and specifically to an air compression device and an air compressor. The air compression device includes a cylinder, a cylinder head, a piston assembly, a connecting rod and a valve plate assembly. The cylinder includes a cylinder body and a piston cavity axially penetrating the cylinder body, the piston assembly is slidingly and sealingly connected to the piston cavity, and the valve plate assembly is fixedly connected between the cylinder head and the cylinder. In the air compression device of the above structure, the valve plate assembly has both the functions of air intake and exhaust. Compared with the structural form in which the air intake assembly and the exhaust assembly are separately arranged in the prior art, the structure is simpler and more compact, the production cost is lower, the assembly efficiency is higher, and due to the concentrated functions, it is more convenient to replace and repair. Both the cylinder and the cylinder head have a cooling and heat dissipation method that combines internal cooling with external heat dissipation, which can effectively reduce the working temperature, thereby increasing the continuous working time and working life of the air compression device.

The present invention discloses a thin high-vibration-resistant gas density relay, comprising a housing, a signal control mechanism arranged in the housing, and a value indicating display part relatively independent of the signal control mechanism. The signal control mechanism mainly comprises at least one bellows, a sealed compensation air chamber, and at least one micro switch. The bellows is perpendicular to the side wall of the housing. The value indicating display mechanism mainly comprises a Baden tube, a base, an end seat, a movement, a pointer, and a dial. The high-vibration-resistant gas density relay of the present invention has the advantages of no need for oil filling, good vibration resistance, high precision, good electrical performance, thin appearance, and long service life.

The utility model discloses a front and rear protection device of a rotating mechanism, which relates to the technical field of road snow removal equipment and comprises a rotating mechanism front protection cover and a rotating mechanism rear protection cover which are respectively arranged on the front side and the rear side of a side row rotating mechanism; the rotating mechanism front protective cover is fixed on the icebreaking machine frame body; the rotating mechanism rear protection cover is rotatably arranged on the icebreaking machine frame body, one end of the rotating mechanism rear protection cover is rotatably installed on the icebreaking machine frame body through a pivot shaft, and a shovel blade is fixed to the other end of the rotating mechanism rear protection cover; the lower side of the rotating mechanism rear protection cover is rotatably connected with one end of a hydraulic cylinder, and the other end of the hydraulic cylinder is rotatably connected with the icebreaking machine frame body. According to the utility model, foreign matters can be prevented from entering the high-speed rotating side-row rotating mechanism, the side-row rotating mechanism is prevented from being damaged, the maintenance cost is reduced, and the service life of equipment is prolonged.

According to the mining cooling garment, the spiral fiber material and the preparation method, the cross section of the prepared spiral fiber is in a special shape, and compared with a traditional fiber with the circular or oval cross section, under the condition of the same diameter, the special-shaped fiber is larger in surface area and higher in heat dissipation capacity. The section of the profiled fiber is in a special shape, so that cohesive force among the fibers is stronger, the anti-laddering performance can be obviously improved, and the service life of the cooling clothes in a severe working environment is prolonged. Due to the spiral structure, the elasticity of the fibers is higher, the fibers can better adapt to body changes, the comfort degree is improved, the movement freedom degree is increased, and the fabric durability is enhanced. The spiral fiber material provided by the invention is used for preparing cooling clothes, so that the effects of ventilation and perspiration can be realized, the load of a wearer is reduced, and the service time is prolonged.

The invention discloses an underground intubation type long-acting separation and production combination tool, and relates to the technical field of long-acting obstructors, the underground intubation type long-acting separation and production combination tool comprises a central tube, fixing blocks are fixed on the outer side of the upper end of the central tube at equal angles, the fixing blocks and a connector are mutually fixed, and the inner side of the connector is slidably connected with a sealing mechanism used for sealing a production tube. According to the underground intubation type long-acting separation and production combined tool, the cleaning mechanism is adopted, and axial gravity is converted into rotation torque through the spirally-distributed rollers, so that when the tool is put down, the cambered surface plate is tightly attached to the pipe wall under the thrust of the air bag; the friction force between the spiral rolling wheel (30-60-degree lead angle) and the pipe wall generates tangential component force enabling the whole rotating assembly (the circular ring, the cambered surface plate and the scraping plate) to rotate around the central pipe, the scraping plate rotates along with the tangential component force, attachments in the circumferential direction are scraped away, the process penetrates through the whole tripping-in stroke, the pre-treatment effect on the well wall of the sealing section is achieved, and the service life of the sealing section is prolonged. And the contact quality and the service life of the follow-up sealing rubber cylinder and the metal slip are obviously improved and prolonged.

The utility model belongs to the technical field of high-temperature flow field testing, and particularly relates to a sweating cooling type high-temperature water-cooling double-hole dynamic pressure probe for measuring a subsonic three-dimensional flow field. The device is composed of a probe supporting rod, a probe head, a sleeve, a mounting seat, a positioning hole, a cooling water inlet pipe, a cooling water outlet pipe, a cable, a diverging wall surface, an impact wall surface, a current limiting wall surface, a circumferential separation baffle plate, a dynamic pressure sensor and the like. Cooling water enters the probe through the water inlet pipe, after the probe head is subjected to impact cooling, one part of the cooling water permeates to the surface of the diverging wall face in the radial direction to sweate and cool the probe, and the other part of the non-permeated part flows out of the probe in the axial direction after being heated through convection heat exchange. The cylindrical surface and the diagonal plane of the probe head are respectively provided with a pressure measuring hole, so that three-dimensional flow field measurement can be realized. The probe has the advantages that the probe cooling efficiency is greatly improved by adopting sweating cooling, the probe head is also cooled, the service life of the probe in an extreme high-temperature environment (the highest temperature reaches 2500 DEG C) is prolonged, and the reliability of a measurement result is improved.

The invention relates to the field of laser processing equipment devices, in particular to a high-speed cladding myriawatt laser head device for an ultra-long deep hole inner wall, which comprises a laser head with a myriawatt-level laser device internally provided with a light path system, and a deep hole self-adaptive mechanism adaptive to the laser head to realize adjustability, the heat dissipation system is formed by cooperation of a water cooling channel and an air cooling channel. Compared with the prior art, the laser head device has the advantages that the myriawatt-level laser, a light path system internally provided with an integrated collimating lens set and a dynamic focusing lens set and the like are adopted in the laser head device, the adjustable deep hole self-adaptive mechanism is matched, the uniformity of cladding machining light spots in a hole is improved to 95%, the cladding efficiency reaches 2.5 m < 2 > / h, and the laser head device is suitable for large-scale production. The thickness error of a cladding layer on the inner wall of the deep hole is smaller than or equal to + / -0.1 mm, the porosity is smaller than 0.5%, and the continuous working life of a laser cladding device is longer than or equal to 500 h by adopting a heat dissipation mode combining air cooling and water cooling.

The invention relates to a centrifugal fan, in particular to an integrated centrifugal fan. The invention aims to provide the integrated centrifugal fan which integrates multiple environment applicability and automatic applicability operation and prolongs the service life. According to the technical scheme, the device comprises a mounting cabin, a first electric sliding rail is mounted above the left side of the mounting cabin, and second electric sliding rails are mounted on the front side wall and the rear side wall of the mounting cabin. According to the integrated centrifugal fan, by means of the mode that the air guide devices with the air wheels of different structures are automatically replaced in the air guide cabin, the application environment of the integrated centrifugal fan can be wider, the use state of the integrated centrifugal fan can be rapidly switched according to needs when gas or powder is extracted in the same environment, and the integrated centrifugal fan is convenient to use. The service life of the integrated centrifugal fan is prolonged, the centrifugal fan and a matched pipeline do not need to be replaced as traditionally, and the efficiency of extracting gas or powder from the environment is improved.

The utility model provides ironing equipment. The ironing equipment comprises an ironing device and a fan assembly, the fan assembly is arranged on the ironing device; the ironing device is provided with an air suction channel, the fan assembly is communicated with the air suction channel, the air suction channel is provided with an air suction opening, the fan assembly is configured to enable the air suction opening to generate suction force, the fan assembly comprises a fan shell, a fan and a separator, the fan is arranged in the fan shell, and the separator is located between the outer wall of the fan and the inner wall of the fan shell; the interior of the fan shell is divided into a ventilation cavity and an isolation cavity by the isolation piece; the fan is provided with a wiring end, and the wiring end is located in the isolation cavity, so that single-hand ironing is achieved, the situation that the wiring end is damaged by sucked high-temperature steam and dust is prevented, and the service life of the fan is prolonged.

The present invention discloses a distributed flexibility flapping wing drive mechanism and its design method, belonging to the technical field of flapping wing aircraft. The distributed flexibility flapping wing drive mechanism includes a flapping wing drive mechanism mounting frame, a piezoelectric bimorph driver and a distributed flexibility transmission chain arranged on the flapping wing drive mechanism mounting frame; the distributed flexibility transmission chain includes a pair of vertical elastic sheets and a horizontal elastic sheet, and the distributed flexibility transmission chain has two flapping arms and a flapping transmission part; the fixed end of the piezoelectric bimorph driver is fixed at the rear end of the distributed flexibility transmission chain; the method includes a. simplifying the piezoelectric bimorph driver into an equivalent single-degree-of-freedom second-order linear vibration system; b. simplifying the distributed flexibility transmission chain into an equivalent "multi-rigid body - torsion spring" system; c. obtaining the aerodynamic drag and moment of the flapping wing; d. performing model assembly; e. establishing a forced vibration equation set; f. taking the objective function of the optimization problem; g. optimizing the design. It has the characteristics of long working life and high flight efficiency.

The invention relates to a sealing lip inclined type bidirectional dynamic pressure oil seal which comprises an annular rubber body, an oil seal main lip and a dustproof lip are arranged in the middle of the oil seal of the annular rubber body, and an included angle alpha is formed between the oil seal main lip and the vertical plane of the axis center. Due to the fact that the sweeping bandwidth of the oil seal lip on the shaft is far larger than the contact bandwidth of the main lip, the lubricating condition of the sealing lip is greatly improved, friction heating at the position of the sealing lip is remarkably reduced, meanwhile, the heat dissipation area is increased, the temperature of the oil seal lip is reduced, and the service life of the oil seal lip is prolonged.

The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a soft package battery positioning push plate which comprises an installation seat, a push plate installation plate, a sliding block installation plate, a guide rail sliding block assembly, a guide shaft, a compression spring and a push plate body. The guide rail sliding block assembly is fixed to the sliding block installation plate, the bottom of the push plate installation plate is fixedly connected with the sliding block installation plate, one end of the guide shaft is fixedly connected with the push plate installation plate, the other end of the guide shaft penetrates through the upper portion of the installation base and is in sliding fit with the installation base, the guide shaft is sleeved with the compression spring, and the compression spring is fixed to the guide rail sliding block assembly. And the push plate is fixed at the lower part of the push plate mounting plate and extends out from one side. The buffering mode that the guide rail sliding block assembly replaces a guide shaft guide sleeve is adopted, it can be guaranteed that a battery is accurately and stably positioned, the service life is long, and quick-wear parts such as the guide shaft do not need to be frequently replaced.

A two-part epoxy adhesive comprises a Part A and a Part B. Part A comprises, based on the total weight of components a) and b): a) 99.5 to 99.99 weight percent of at least one curable epoxy resin; and b) 0.01 to 0.5 weight percent of at least one pH indicator dye exhibiting an abrupt color change from colorless to a color in the pH range of 8.0-10.6. Part B comprises, based on the total weight of components c)-f): c) 89 to 97 weight percent of at least one aliphatic primary polyamine; d) 1 to 3 weight percent of at least one tris(2,4,6-dialkylaminoalkyl) phenol having from 13 to 24 carbon atoms; e) 1 to 3 weight percent of at least one aliphatic tertiary 1,3-bis(N,N-dialkylaminoalkyl) urea having from 6 to 24 carbon atoms; and f) 1 to 5 weight percent at least one of an alkali metal nitrate or an alkaline earth nitrate. The ratio of the total combined weight of components a) and b) to the total combined weight of components c)-f) is in the range 1.0 to 1.5. A reaction product thereof and a method of bonding are also disclosed.

The present invention discloses a columnar EVA small foaming machine in the field of EVA foaming technology, which includes an externally connected control console and its corresponding control circuit, a support plate, a mounting frame, a top cover, a first mounting plate, a second mounting plate, an upper mold, a lower mold, a transmission mechanism and a counterweight. The control console is arranged on the side of the support plate, the mounting frame is fixedly connected to the upper end of the support plate, the top cover is fixedly connected to the upper end of the mounting frame, the first mounting plate is located above the second mounting plate, the upper mold is slidably connected to the lower end of the first mounting plate, the lower mold is slidably connected to the upper mold, and the components of the transmission mechanism are respectively arranged above the first mounting plate and below the second mounting plate. The transmission mechanism is used to make the upper mold and the lower mold extrude each other through the second mounting plate and the first mounting plate by the gravity of the counterweight; during the foaming process after mold closing, the equipment no longer needs to do active work, so that the working time of the driving parts of the equipment of the present invention is significantly shortened, effectively improving the working life of the driving parts.

This utility model belongs to the field of electronic engineering measurement technology, specifically a test fixture for a small-power pulse transformer, including a transformer body; a connecting disc rotatably connected to the bottom inner side of the transformer body; a first gear rotatably connected to the top inner side of the transformer body; and a transmission gear ring rotatably connected to the top inner side of the transformer body; the transmission gear ring meshes with the first gear; and multiple sets of fan blades are arranged inside the transmission gear ring; during operation, the first gear is activated, causing it to rotate in the opposite direction. The first gear can interact with the elastic connecting plate through its teeth, thereby driving the connecting disc to rotate. The connecting disc can then be wound up with the fixture connecting wire fixed on its surface, thus reducing the risk of the existing fixture connecting wire being exposed to the outside for extended periods, leading to folding or damage. The overall device improves the working life of the fixture connecting wire and enhances the overall measurement efficiency.

The present invention provides a bending and carrying assistance robot in accordance with the kinematic and dynamic characteristics of a healthy human body in bending and leaning, based on the principles of ergonomics. The robot can provide bending assistance for workers who are engaged in load-bearing bending operations or users with hip joint movement disorders in the process of carrying heavy objects, and can also provide hip and knee joint assistance for walking through functional adjustment. The assistance is provided by the motor pull wire to reduce the waist load and relieve the burden on the hip joint and lumbar spine. It can also be converted into a non-powered source assistance function to provide leg lifting and knee flexion assistance for users when walking with loads, thereby reducing the burden on the hip and knee joints during walking. It not only reduces the damage to human joints during long-term load-bearing operations, but also increases the load-bearing capacity and extends the working life. The robot has a simple design structure, low cost, and is easy to use. It is of great significance in both the technical field and market demand.

A tubing assembly is provided that can comprise a plurality of tubes or lumens that can be disposed within a head of a peristaltic pump. The tubing assembly can provide a flow rate or volume capacity that is generally equal to or greater than that achieved with a comparable prior art tube while operating at higher pressures than that possible using the prior art tube. Further, in accordance with some embodiments, the tubing assembly can achieve a longer working life than a comparable prior art tube, and the load on the pump motor can be reduced such that the pump life is increased and / or a larger pump motor is not required to achieve such advantageous results.

This utility model relates to the field of medical device technology, and in particular to an artificial kidney dialysis solution preparation device, including a body assembly, the body assembly including a body body; two mounting slots are formed inside the body body; a synchronous drive assembly is provided at the bottom of the body body; and two permanent magnet rotors are provided at the output end of the synchronous drive assembly. This allows for the simultaneous and independent preparation of solution A and solution B, avoiding mixing and precipitation. Simultaneously, the stirring shaft inside the separate preparation tank is driven by a non-contact magnetic force transmission between the permanent magnet rotor and the permanent magnet ring, allowing the separate preparation tank to be removed from the mounting slot on the body body for easy cleaning and maintenance. Furthermore, the non-contact magnetic force transmission eliminates frictional losses associated with traditional gear or belt drives, extending equipment lifespan and reducing the risk of corrosive liquids eroding metal parts, significantly improving the working life of the preparation device.

The utility model provides a novel electric cylinder sealing structure which comprises a cylinder cover and a piston rod, and the cylinder cover is matched with the piston rod. An X-shaped dustproof ring, an oil filling hole and a guide ring are arranged on the cylinder cover, the X-shaped dustproof ring, the oil filling hole and the guide ring are arranged on one side close to the piston rod, the oil filling hole is arranged close to the X-shaped dustproof ring, and the guide ring is arranged close to the oil filling hole; the sealing structure between the cylinder cover and the piston rod is specially designed, so that the lubrication of a sealing element can be effectively kept, the sliding friction force is reduced, the wear resistance of the sealing element is improved, and the service life of an electric cylinder sealing system is prolonged.

The invention relates to the technical field of textile after-finishing, and discloses a production process of anti-static work clothes, which comprises the following steps: activating the surface of a base material fabric; padding the fabric by using a controlled release type functional finishing liquid prepared from a core functional monomer, boric acid as a dynamic protective agent and the like; and carrying out multi-stage temperature control baking on the padded fabric. According to the invention, the dynamic protective agent can temporarily close the active group of the core functional monomer and inhibit the self-condensation of the core functional monomer in the finishing liquid, so that the working life of the working liquid is prolonged; in the high-temperature baking stage, the protected active groups are dissociated and released, covalent bonding is carried out on the surfaces of the activated fibers, and a cross-linked network is formed on the surfaces of the fibers. The chemical bonding anti-static functional layer is constructed on the surface of the fiber, so that the work clothes have excellent washing resistance and stable product quality, and meanwhile, the finishing process is high in stability and suitable for industrial production.

The present application relates to a kind of structural novel rod end driving bearing device, including stator assembly, rotating assembly, lubricated bearing assembly, front end power input component, tail end kinetic energy output driving component and buffer resistance component.The shell of bearing device is set to facilitate safe operation fixed type, rotating assembly is set to help reduce noise pollution and environmental interference built-in type, lubricated bearing assembly adopts double oil groove type to help rod body high-speed smooth operation, the outer leakage groove in buffer resistance component provides an efficient drainage channel for the dust or dirt of external environment inevitably sucked into the intersection of fixed component and rotating component during work, can ensure that bearing is in normal operation in pollution-free environment, to significantly improve the working stability and normal working life of bearing device, simple and reasonable structure, stable and safe and reliable work, both strong load capacity and anti-interference ability, and daily maintenance workload and use cost are low, have strong practicality.