253 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 utility model relates to the technical field of robots, in particular to a feeding and discharging composite robot. The feeding and discharging composite robot comprises a mechanical arm and a clamping mechanism. The clamping mechanism is mounted on the mechanical arm, the clamping mechanism comprises a clamping jaw and a first guide structure, the clamping jaw comprises a first power source and two sets of clamping pieces arranged oppositely, and the first power source is connected with the clamping pieces and used for driving the two sets of clamping pieces to move in the direction close to each other or away from each other; the first guiding structure is matched with the clamping piece, the guiding direction of the first guiding structure is consistent with the moving direction of the clamping piece, and the first guiding structure can limit the clamping piece to move in the direction perpendicular to the moving direction of the clamping piece. According to the feeding and discharging composite robot, the turnover cost can be reduced, manpower is saved, and efficiency is high; the professional requirements on workers can be reduced, and large-scale development is facilitated; in addition, the clamping mechanism is high in structural reliability, the action of the clamping jaw is stable, and the service life is long.

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 a base station and a cleaning system. The base station comprises a machine body and a cleaning device, and the machine body is provided with a stopping part used for allowing the self-moving robot to stop; the cleaning device comprises a screw rod rotationally connected to the machine body, a driving mechanism for driving the screw rod to rotate and a brush body assembly matched with the screw rod, and the brush body assembly is constructed to do reciprocating motion in the axial direction of the screw rod under rotation of the screw rod so as to clean the self-moving equipment. According to the base station disclosed by the invention, the brush body assembly is driven to reciprocate through the screw rod, the whole transmission structure is simple, the brush operation condition is relatively stable, the load of the driving mechanism is relatively balanced, and the peak current of the driving mechanism can be kept stable in the whole working process, so that the working life of the driving mechanism is prolonged.

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 embodiment of the invention provides a method and device for determining the working life of a sealing ring in a high-temperature liquid environment, and the method comprises the steps: determining a simulation condition and a simulation parameter, and determining a sealing element service life test for a plurality of groups of sealing elements based on the simulation condition and the simulation parameter; testing a plurality of groups of sealing elements at a plurality of time points based on the sealing element service life test, and determining service life test data; wherein the plurality of time points are in one-to-one correspondence with the plurality of groups of sealing elements; determining a material aging formula, and determining an aging function based on the material aging formula, a particle swarm optimization algorithm and life test data; an aging characteristic threshold is determined, and a life of the seal is determined based on the aging characteristic threshold and the aging function. The embodiment of the invention adopts a group of temperature life tests to realize the evaluation of the service life of the sealing O ring, so that the sample size and the test cost are reduced.

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 invention relates to the technical field of spring stress relaxation life prediction, in particular to a stress relaxation life prediction method for a push rod spring and a computer readable storage medium, and the method comprises the following steps: S1, installing test equipment and a spring; s2, testing spring stress relaxation data and drawing a curve; s3, drawing a natural logarithm curve of the natural logarithm of the stress loss rate and the natural logarithm curve of the time, and fitting a regression equation; s4, drawing a relation curve of the relaxation coefficient and the temperature and fitting a regression equation; s5, calculating the relaxation coefficient of the test spring at the actual use temperature; s6, calculating the stress relaxation life of the test spring; according to the method, stress relaxation curves and stress loss rate logarithm and time logarithm curves at different experimental temperatures are obtained in a temperature acceleration mode, and a stress relaxation equation of the logarithm of the stress loss rate with respect to the temperature T and the time t is finally obtained, so that the working life of the spring at the actual working temperature is accurately predicted; and the experimental period is shortened while the prediction accuracy is relatively high.

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.

According to the method for indirectly evaluating the working life of the filter under the actual working condition, the working life of a filter element of the filter is indirectly evaluated through conversion calculation of test time on the basis of test data of the filter of the same type in a laboratory and in combination with parameters of working conditions of the actual working condition; according to the method, the application range is expanded, and the use limitation is reduced, so that engineering maintenance personnel can be helped to carry out scientific maintenance on the hydraulic system.

The invention belongs to the technical field of jet pumps, and discloses an anti-backflow high-efficiency jet pump which comprises a liquid inlet pipe, a suction chamber, a nozzle, a throat pipe, a diffusion pipe, an overflow pipe and a valve. The inner wall of the throat pipe is provided with a fracture in the middle of the fluid channel, the outer wall of the throat pipe is provided with an overflow port close to one end of the diffusion pipe, and one end of the overflow pipe is communicated with the overflow port. According to the jet pump, backflow of the jet pump is prevented through the fracture and the overflow pipe, when the back pressure of an outlet of the jet pump is large, mixed fluid in the centrifugal pump can flow out of the jet pump through the fracture and the overflow pipe, and therefore the situation that the jet pump flows back and flows out of the sucked opening is prevented; when the centrifugal pump stops working, residual liquid in the jet pump is discharged through the fracture and the overflow pipe, the centrifugal pump does not need to be started and stopped frequently, and the service life of the centrifugal pump is prolonged.

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 utility model relates to the technical field of connectors, and discloses a connector structure which comprises a connector shell, a crater rear cover matched with the connector shell, a waterproof ring and a contact assembly, the crater rear cover is provided with a power line penetrating hole and a signal line penetrating hole, and the crater rear cover extends out of a power crater and a signal crater. The power source crater is provided with a hollow circular truncated cone and a hollow cylinder, the diameter of the lower bottom circle of the hollow circular truncated cone is larger than that of the power line penetrating hole, and the upper bottom circle of the hollow circular truncated cone extends out of the hollow cylinder. The signal crater and the power crater have the same structure, and the heights of the extended hollow circular truncated cone and the hollow cylinder are respectively the same as the extension heights of the hollow circular truncated cone and the hollow cylinder of the power crater. According to the technical scheme, the technical problem that the wire core of the connector is easy to break in a vibration environment is solved, and the service life of the connector is prolonged.

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 invention provides a door assembly and a washing machine, the door assembly comprises a door body, a hinge structure and a front sealing door, the hinge structure is arranged on any one of the left side, the right side, the upper side and the lower side of the front sealing door, the door body is hinged to the front sealing door through the hinge structure, the other side of the door body is provided with a lock catch structure, and the lock catch structure and the hinge structure are oppositely arranged; an elastic piece and a damper are arranged in the hinge structure, the damper is connected with the elastic piece, when the door body is closed, the elastic piece is in a compressed state, and after the lock catch structure is unlocked, the elastic piece automatically opens the door body under the action of restoring force. The hinge structure can be arranged on any one of the left side, the right side, the upper side and the lower side of the front sealing door, and door opening in the up-down direction or the left-right direction can be achieved. The door body is automatically opened through the arrangement of the elastic piece, meanwhile, the damper is used for reducing the opening speed of the door body, the situation that the door body bounces over quickly due to sudden return of the elastic assembly is avoided, damage to the door body and the hinge part is reduced, and the working life and stability of the hinge part are improved.

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.

The present invention discloses an air duct assembly and a cleaning device. The air duct assembly includes a dirt collecting box, a filter, a cyclone separator and a fan. A dirt collecting chamber is provided in the dirt collecting box, and the dirt collecting box is also provided with a dirt inlet and an air outlet connected to the dirt collecting chamber. An air guide structure is provided in the dirt collecting chamber, the filter is provided in the air outlet, the cyclone separator is connected to the air outlet, and the fan is connected to the cyclone separator. The fan drives the airflow into the dirt collecting chamber from the dirt inlet, and enters the cyclone separator from the air outlet after being guided by the air guide structure, and then enters the fan from the cyclone separator. The technical solution of the present invention enables the water vapor absorbed by the cleaning device to be effectively separated, reduces the possibility that the water vapor will become moldy and produce odor after being retained in the subsequent air duct in the cleaning device for a long time, and enters the fan of the cleaning device to affect the working life of the fan, and also improves the service life of the filter element and other components in the base station.

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 present invention relates to a multi-seal casing patching device, which comprises an outer tube (1) and a guide shoe (2). The lower end of the outer tube (1) is connected to the upper end of the guide shoe (2). A lower sealing ring (22) is provided on the inner wall of the guide shoe (2). A lower spacer ring (3), a lead seal ring (4), an upper spacer ring (5), a control card (6) and an inner tube (7) are provided in the outer tube (1) in order from the guide shoe (2) upward. An upper sealing ring (13) is provided on the inner wall of the outer tube (1) above the inner tube (7). A spiral slip (8) is provided in the inner tube (7). A key mounted on the inner tube (7) is provided at the lower end of the spiral slip (8). A card block (61) mounted on the inner tube (7) is provided on the control card (6). A key block (72) is provided between the inner tube (7) and the outer tube (1). The multi-seal casing patching device combines the advantages of existing rubber seal casing patching devices and metal lead seal casing patching devices, adopts a triple sealing structure, has a better sealing effect, a longer service life and a more compact structure.

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 invention discloses a shock-absorbing, noise-reducing and dust-removing capacitor motor using a voltage relay. The base connection structure provided in the invention can have a good buffering and shock-absorbing effect on the vibration generated by the motor during the working process. On the one hand, it has a good protective effect on the motor, and on the other hand, it can ensure the normal operation of the motor; the first filter screen, the second filter screen, the dust-absorbing cotton filter screen and the sound-absorbing cotton filter screen in the wind cover device can prevent impurities and dust in the air from entering the motor during the heat dissipation of the motor, thereby protecting the internal components of the motor and ensuring the working life of the motor, and further eliminating the noise generated when the motor is working, reducing sound pollution and ensuring a good working environment; the fixed connection structure provided can realize quick installation and fixation of the wind cover device, and it is also very convenient to separate the wind cover device from the motor body, thereby providing convenience for the staff to maintain the wind cover device or the motor body.

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 utility model relates to the technical field of advanced manufacturing and automation, and discloses a gantry hydraulic device which comprises a water-cooling pressing head, an upper pressing head is fixedly installed at the bottom of the water-cooling pressing head, a spring washer is arranged at the top of the water-cooling pressing head, an outer clamping sleeve is arranged at the top of the spring washer, and a lower pressing head is arranged at the bottom of the outer clamping sleeve. A first inner hexagon screw is fixedly installed in the outer clamping sleeve through threads, and a clamping ring is arranged on the periphery of the outer clamping sleeve. A sealing pressing ring is arranged at the top of the upper pressing head, a V-shaped sealing ring is arranged at the top of the sealing pressing ring, a middle ring is arranged at the top of the V-shaped sealing ring, and a first bolt is arranged on the left side of the middle ring. The water-cooling pressing head is arranged, the upper pressing head is arranged at the bottom of the water-cooling pressing head, the upper pressing head is driven by the hydraulic system to descend to make contact with the top of a workpiece so that the workpiece can be pressed, the water-cooling pressing head can cool the upper pressing head in the period, and the effect of guaranteeing the service life of the upper pressing head is achieved.