169results about How to "Small driving force" patented technology

The invention belongs to flow industry pressure coupling devices, and discloses a switching valve with a pressure pre-balancing function and a pressure coupling device.The switching valve comprises a valve body with a plurality of connecting ports, the valve body is provided with a driving end valve component, and the driving end valve component comprises a driving end valve deck, a driving rod, a driving end valve plate, a driving end valve seat and a nut; a basic unit of the pressure coupling device is at least two single-cylinder devices arranged side by side, and each single-cylinder device is mainly composed of a driving end module, a response end module and a pressure exchange cylinder connected between the driving end module and the response end module. Wherein the driving end module comprises a four-way switching valve and a three-way switching valve which are provided with driving end valve components, and the response end module comprises a four-way check valve and a three-way check valve which are provided with response end valve components. The device has the characteristics of simple pressure pre-balancing structure, low driving energy consumption, good pressure difference self-tightening sealing effect, compact overall structure, convenience in installation and maintenance and the like.

The invention relates to the technical field of valves, in particular to a gate valve with a buffering function, which comprises a valve body, an inlet end and an outlet end which are arranged on the valve body, and a gate plate which is arranged between the inlet end and the outlet end on the valve body in a lifting manner, the fixed circular plate is fixedly arranged on the valve body and located in the outlet end, the fixed rod is arranged on the left end face of the fixed circular plate, and the buffer circular plate is arranged on the fixed rod in a sliding mode and used for being pushed by water flow to slide rightwards on the fixed rod when the gate plate is opened. The compression buffer spring is arranged between the left end face of the fixed circular plate and the right end face of the buffer circular plate and used for buffering water flow impact when the buffer circular plate slides rightwards on the fixed rod and pushing the buffer circular plate to slide leftwards on the fixed rod when the gate plate is closed; an anti-falling plate is arranged at the position, located on the left side of the buffering circular plate, of the left end of the fixing rod and used for preventing the buffering circular plate from sliding leftwards on the fixing rod.

The utility model relates to the technical field of electronic control devices, in particular to a relay, which comprises a base, a movable contact assembly, a static contact piece and a magnetic circuit part, the movable contact assembly comprises a movable contact piece and a first elastic piece, the first elastic piece is connected with the movable contact piece, the magnetic circuit part is used for driving the movable contact piece to be switched between a closed position and an open position, the movable contact piece and the static contact piece are attracted at the closed position, and the movable contact piece and the static contact piece are disconnected at the open position; the base is provided with a limiting part, and the limiting part is configured to enable the first elastic piece to store energy in the action direction of the movable contact piece when the movable contact piece is located at the closed position and the open position, and to apply an acting force suitable for moving away from the static contact piece and an acting force suitable for moving towards the static contact piece to the movable contact piece. Therefore, the response speed of opening and closing of the moving contact and the static contact can be improved.

The invention belongs to the technical field of water treatment, and particularly relates to a channel coupling type superfine grid based on water passing capacity improvement and an operation method thereof.The main body frame is connected with the bottom face of a fine grid channel through a first support, a water inlet baffle is further vertically arranged on the bottom face of the fine grid channel, and the water inlet baffle is buckled to the end, close to a water inlet, of a side plate; a cover plate of the fine grid channel is provided with a second support and a spiral squeezing groove; an equipment outer cover is buckled on a side plate and the spiral squeezing groove; a filtering grid plate is horizontally and fixedly arranged between the side plates, the two ends of the filtering grid plate are connected with the water inlet baffle and the slag guide plate respectively, and the slag guide plate is further connected with the spiral squeezing groove; a driving rotating shaft, a first driven rotating shaft and a second driven rotating shaft are arranged between the side plates; the driving chain wheel, the first driven chain wheel and the second driven chain wheel are connected through a transmission chain, and a slag scraping plate is arranged on the transmission chain. The problems of insufficient water passing capacity, separation grid slag penetration, high driving energy consumption and the like of a traditional fine / superfine grid can be solved.

The utility model relates to a stop valve for conveying high-pressure steam, which comprises a valve body, a main valve seat is arranged in the valve body, a main valve clack is arranged on the main valve seat, a fixing sleeve is arranged on the outer side of the main valve clack, the fixing sleeve is connected with the main valve seat, an auxiliary valve seat is arranged in the main valve clack, an auxiliary valve clack is arranged above the auxiliary valve seat, and the auxiliary valve seat is attached to the auxiliary valve clack. First springs are arranged on the auxiliary valve seat and the auxiliary valve clack, a first through hole is formed in the fixing sleeve, a second through hole is formed in the portion, on the inner side of the first through hole, of the main valve clack, the first through hole is communicated with the inlet end of the valve body, an inner cavity of the auxiliary valve seat is communicated with the outlet end of the valve body, and the first through hole is communicated with an inner cavity of the auxiliary valve seat through the second through hole. A valve cover is arranged on the valve body and the fixing sleeve, a valve rod is arranged on the valve cover and the auxiliary valve clack, and a valve clack gland is arranged on the main valve clack. And the valve clack is difficult to separate from the valve seat to achieve a valve opening state. The utility model has the advantages of convenient use and wide market prospect.

The invention belongs to the technical field of high-temperature alloy heat treatment, and relates to a method for inhibiting abnormal growth of GH6783 alloy grains. The method comprises the following steps: step 1, determining the non-growth temperature of GH6783 alloy grains; 2, after the temperature of the heat treatment furnace reaches the non-growth temperature, the GH6783 alloy bar is placed in the furnace, timing is started after the temperature in the furnace reaches the non-growth temperature again, and heat preservation is conducted for the appointed time A; and 3, the GH6783 alloy bar is slowly cooled to the beta-phase aging temperature along with the furnace and then subjected to heat preservation for 8-10 h, and after heat preservation is finished, the GH6783 alloy bar is discharged out of the furnace and subjected to air cooling. According to the method, the abnormal growth phenomenon of crystal grains after solution heat treatment of the GH6783 alloy bar can be remarkably inhibited, and the structure uniformity of the GH6783 alloy is improved.

The invention relates to an unmanned aerial vehicle launching vehicle in the technical field of unmanned aerial vehicle launching, and the unmanned aerial vehicle launching vehicle comprises a transport vehicle, a square cabin, a launching box and telescopic equipment, the square cabin is provided with a front top plate and a rear top plate, and the bottom of the tail end of the launching box is correspondingly hinged to the inner bottom of the square cabin; the fixed end of the telescopic equipment is correspondingly hinged to the bottom in the square cabin, and the telescopic end of the telescopic equipment is correspondingly hinged to the bottom of the head end of the launching box, so that the joint of the launching box and the square cabin, the joint of the telescopic equipment and the square cabin and the joint of the telescopic equipment and the launching box form triangles; when the upper end of the connecting rod moves to be limited by the front end of the limiting sliding rail, the upper end of the connecting rod cannot continue to move forwards, so that the launching box does not continue to do elevation motion any more, the situation that the elevation angle of the launching box is too large, consequently, the tail end of the launching box collides and is damaged can be effectively prevented, and the safety coefficient is increased.

The present invention relates to the technical field of arteriovenous kettle assembly, and provides an automatic production line for bonding and assembling arteriovenous bevel kettles, comprising a workbench and a fixed plate, a carrying turntable is installed between the workbench and the fixed plate, carrying clamps are evenly arranged on the carrying turntable, and kettle body loading station, kettle body direction adjustment station, filter screen loading and assembly station, filter screen assembly detection and kettle body gluing station, kettle cover loading and assembly station, kettle cover assembly detection station, qualified product unloading station and defective product unloading station are sequentially arranged on the workbench and the fixed plate along the running direction of the carrying turntable; the present invention realizes the automation of a series of production and assembly processes such as loading, assembling, detecting and unloading of the kettle body, kettle cover, filter screen and other components of the arteriovenous bevel kettle, the kettle cover and the kettle body have high assembly consistency, the production efficiency and quality are improved, and the dependence on workers is low, and the processes such as gluing and bonding do not require manual operation, which reduces the labor intensity and labor risk of workers.

The invention discloses a stringing auxiliary device for power grid construction, and relates to the field of power construction, the stringing auxiliary device comprises a vertical plate, one side of the vertical plate is fixedly provided with a supporting seat, the top of the supporting seat is provided with a rotating seat, the rotating seat is rotatably connected with a jacking arm, and the end part of the jacking arm is provided with a bearing groove; and a cavity is formed in the supporting seat, the inner wall of the cavity is rotationally connected with a winding wheel, and a steel wire rope is wound on the outer portion of the winding wheel. According to the stringing auxiliary device for power grid construction, through mutual cooperation of the vertical plate, the locking hoop unit, the adjusting unit, the jacking arm, the steel wire rope and the winding wheel, a power transmission line can be jacked up in the stringing process, and under the cooperation effect of a large gear, a small gear and a telescopic pipe, the power transmission line can be conveniently stringed; by means of the jacking arm, the driving force needed to be provided in the jacking process of the jacking arm can be small, so that an operator can easily jack up the power transmission line for installation, and the stringing work safety of the power transmission line is higher.

A method for manufacturing high-strength, hydrogen-embrittlement-resistant bolts based on microsphere shot peening, and the bolts themselves, are disclosed. The manufacturing method includes: S1, cold heading and thread rolling of alloy structural steel billets to obtain bolt forming parts; S2, surface cleaning of the bolt forming parts, followed by overall surface peening with microspheres driven by high-pressure air; after overall peening, targeted strengthening peening treatment is performed on stress concentration areas such as thread roots, undercut grooves, and flange transition corners to obtain reinforced bolt parts; S3, the reinforced bolt parts are cleaned, dried, and phosphated to obtain finished bolt parts. This design, through a "overall + targeted" composite microsphere shot peening strategy, introduces a uniform residual compressive stress field and a micron-level fine-grained plastic deformation layer on the bolt surface, forming a thicker strengthening layer in stress concentration areas, significantly improving the fatigue strength and delayed fracture resistance of high-strength bolts, while ensuring uniform surface roughness and stable assembly friction coefficient.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

The application relates to the technical field of sealing joints, in particular to a sealing joint for a high-pressure hydrogen gas conveying pipeline, which comprises a male connector seat, a female connector seat and a valve core group, the joint ends of the male connector seat and the female connector seat are respectively provided with lock plates and flange joint plates, the outer periphery of the flange joint plate is provided with wedge locking blocks and screw rods, the opposite surfaces of the lock plate and the flange joint plate are respectively provided with first sealing ring groups and second sealing ring groups, the surface of the lock plate is provided with a sealing gasket, the valve core group comprises a core shaft, a spring, a valve sleeve and a guide head, and a gradually tapered section, a throat section and a gradually expanded section flow channel structure are formed between the valve sleeve and a flow channel. The male connector seat and the female connector seat are quickly locked and connected through the wedge locking blocks, a composite sealing structure is formed through labyrinth sealing and elastic sealing, the static pressure of a joint jointing area is reduced through the Venturi effect, the hydrogen gas leakage driving force is reduced, a multilayer leakage prevention mechanism is formed, and the sealing joint has the advantages of good sealing performance, high connection stability and suitability for high-pressure hydrogen gas conveying working conditions.

The invention relates to an automatic brick overturning mechanism which comprises a vehicle body, a suction cup overturning module and an overturning driving mechanism. The suction cup overturning module comprises a rotating shaft rotationally connected to the vehicle body, a pair of semicircular sectors fixedly connected to the two ends of the same side of the rotating shaft and rotationally matched with the vehicle body correspondingly, and a first butt joint structure located between the pair of semicircular sectors and fixedly connected to the rotating shaft, and the first butt joint structure is detachably connected with the suction cup butt joint module. The overturning driving mechanism comprises a pair of winding drum modules installed on the vehicle body and a driving module located between the pair of winding drum modules and used for driving the pair of winding drum modules to synchronously rotate in a reciprocating mode, pull ropes are wound around the pair of winding drum modules in the opposite directions respectively, and the two pull ropes extend and are connected to the pair of semicircular sectors respectively; the semicircular sector is provided with arc grooves along the arc edges, the pull ropes rotate along with the semicircular sector to be partially embedded and wound in the arc grooves, and the two arc grooves serve as connecting points of the two pull ropes at the first end and the second end respectively. According to the brick overturning device, automatic overturning of large bricks can be achieved through a small-specification motor.

The invention discloses an efficient concrete stirring device in the technical field of concrete stirring, and the efficient concrete stirring device comprises a stirring tank and a driving assembly, the driving assembly is fixedly connected with a first gear, a second gear and a plurality of third gears, the third gears are fixedly connected with first rotating columns, and the first rotating columns are fixedly connected with a plurality of scrapers; the second gear is fixedly connected with a second rotating column, the second rotating column is slidably connected with a stirring rod, and the stirring rod is fixedly connected with stirring blades in the axial direction of the stirring rod; the conversion cavity is fixedly connected with a conversion rod, the conversion rod is fixedly connected with a guide ball, the stirring rod is fixedly connected with a cylindrical cam, and the guide ball is located in a groove of the cylindrical cam. According to the invention, through a planetary structure formed by the first gear, the second gear and the plurality of third gears, the stirring tank rotates and drives the internal scraper to rotate at the same time, concrete attached to the inner wall of the tank body in the stirring process is cleaned, and through the cooperation of the guide ball and the cylindrical cam, the stirring rod slides while rotating, so that the stirring efficiency is improved.

The utility model discloses a demolding device for a deep-cavity mold. The demolding device comprises a base plate, a driving device, a sliding block seat and a sliding block insert, the sliding block seat is connected with the sliding block insert through a guide rod; opening and closing assemblies are arranged on the two sides of the sliding block seat and the sliding block insert; the opening and closing assembly comprises a pull rod, a telescopic block and a limiting block; the slider seat is penetrated by the inclined guide post, and the driving device is started after the slider seat and the inclined guide post fall off; the driving end of the driving device is fixedly connected with the sliding block base, the near end of the pull rod is fixedly connected with the side wall of the sliding block base, and the far end of the pull rod moves relative to the sliding block insert. The demolding device has the beneficial effects that the sliding block seat and the pull rod are driven by the driving device to move relative to the sliding block insert, and an acting force is not applied to the deep-cavity mold in the demolding process, so that the surface of the deep-cavity mold is prevented from being scratched and deformed, and the demolding quality and completeness of the deep-cavity mold in the demolding process are guaranteed; the inclined guide pillar opens the parting surface between the sliding block seat and the sliding block insert, so that the driving force required by the driving device, the overall volume of the driving device and the cost of the driving device are reduced.

The utility model discloses an exposure scanning shaft drive mechanism, exposure scanning shaft drive mechanism adopts the mode of linear motor module drive, eliminates mechanical transmission gap, improves the scanning speed of exposure scanning shaft, improves the positioning accuracy of vertical exposure equipment, satisfies the high accuracy requirement of exposure machine field. The counterweight of the present application is connected with the mounting base, and the counterweight offsets the weight of the lens module, which can reduce the driving force when the linear motor module is driven, so that the exposure scanning shaft drive mechanism is suitable for heavy load occasions. At the same time, the problem of the lens module falling due to its own weight after the linear motor module is powered off can be avoided, and the adaptability of the exposure scanning shaft drive mechanism is improved. In addition, the exposure scanning shaft drive mechanism of the present application has simple and reliable structure, low noise and low wear, which greatly reduces the maintenance cost in the later period.

The present invention provides a pulsator structure and a clothing processing device, wherein the pulsator structure comprises: a pulsator having a stirring blade; a pulsator disc having an opening adapted to the stirring blade, the pulsator disc being inserted on the stirring blade through the opening, and being able to move up and down relative to the stirring blade. The pulsator disc of the present invention can move up and down along the stirring blade, thereby changing the height of the stirring blade relative to washing water and washings. If the pulsator disc moves to a lower position on the stirring blade, the stirring blade is at a higher height relative to the washing water and washings, has a greater stirring force, generates a stronger water flow, and the washings are fully stirred, thereby improving the washing ratio. When the pulsator disc moves to an upper position on the stirring blade, the stirring blade is at a lower height relative to the washing water and washings, and the stirring is gentler, thereby achieving gentle washing of the clothes, avoiding deformation and damage of the clothes, and improving the protective effect of the clothes. Moreover, the driving force required for the stirring blade is smaller, thereby reducing the energy consumption of the product, and achieving energy saving and power saving.

The utility model relates to the technical field of food processing, and discloses a double-screw extruder for producing self-cooked wrappers, which comprises a base, an extrusion tube is fixedly mounted on the base, two screws are movably inserted into the extrusion tube, one end of each screw is movably sleeved with a disc cam, and the other end of each screw is movably sleeved with a disc cam. A mounting plate is fixedly mounted on the base, two mounting shafts are fixedly mounted on the mounting plate, the two ends of the two mounting shafts are movably sleeved with bearings, and the four bearings are movably connected to the two sides of the two disc cams in an abutting mode respectively. According to the double-screw extruder disclosed by the utility model, the disc-shaped cam, the mounting plate, the mounting shaft and the bearing are arranged, so that the problem that the production cost is increased due to the fact that a relatively long screw rod is adopted by an existing double-screw extruder for fully extruding and kneading fabrics and a relatively high-power motor is further needed to provide power is solved; the problems that an existing double-screw extruder is inconvenient to disassemble and inconvenient to maintain are solved.

The utility model discloses an automatic bulb feeding clamping jaw mechanism which comprises a fixed plate, a rotary support, a lifting plate, a rotating arm and clamping assemblies, the rotary support is arranged between the lifting plate and the rotating arm, the clamping assemblies are arranged on the two sides of the lower surface of the rotating arm respectively, and each clamping assembly comprises a hinge joint, a movable plate, a clamping arm and a driving air cylinder. The number of the clamping arms is two, the clamping arms are rotationally connected with the rotating arms respectively, one end of the movable plate is hinged to the clamping arms, the other end of the movable plate is hinged to the hinge joint, the telescopic end of the driving air cylinder is fixedly connected with the hinge joint, a lifting air cylinder is arranged in the center of the fixed plate, and the telescopic end of the lifting air cylinder penetrates to the position below the fixed plate to be fixedly connected with the lifting plate. A second guide column is arranged between the fixing plate and the lifting plate. The mechanism is simple in design, the working efficiency is improved through circulating switching of the two stations, meanwhile, the mechanism can ascend and descend automatically, the needed driving force is small, resources are saved, and the overall cost of equipment is reduced.

The present invention belongs to the technical field of pressure regulating and reducing valves, and specifically relates to a large-caliber high-pressure hydraulic pressure regulating and reducing valve for wind tunnel test equipment, wherein the valve body is provided with an inflow channel, an outflow channel and a pressure regulating and reducing cavity, the valve seat is fixed on the opening of the inflow channel and the pressure regulating and reducing cavity, the lower end of the noise reduction sleeve is fixedly connected to the valve seat, and the upper end is butted with the valve cover, a plurality of outflow holes are provided on the noise reduction sleeve, the cavity between the outer wall of the noise reduction sleeve and the inner wall of the pressure regulating and reducing cavity is connected with the outflow channel, the valve flap is fixedly installed on the valve flap cover, a through hole is provided on the valve flap, a plurality of balancing holes are provided on the upper wall of the valve flap cover, the valve flap cover is movably installed in the valve cover, the valve cover is fixed on the through hole between the pressure regulating and reducing cavity and the outside, the upper end of the valve flap cover is connected to the valve stem, and the valve stem passes through the valve cover and is connected to the piston rod of the hydraulic cylinder. The present invention can reduce the driving force of the opening and closing process, improve the adjustment accuracy; is beneficial to the on-site pipeline layout; plays the role of reducing noise and stabilizing airflow; and realizes the role of reducing noise and stabilizing airflow.

The utility model discloses a kind of contact mechanism, load switch and electric meter, it is related to low-voltage electrical apparatus technical field.The contact mechanism includes shell and the moving contact, static contact and elastic member being set in shell, the one end of moving contact is connected with elastic member, the other end is used to be combined with static contact and be opened and closed, both ends of moving contact can be movable relative to static contact, elastic member is used to apply elastic force to moving contact in the opened and closed state to assist closing, elastic member is also used to apply elastic force to moving contact in the closed state to increase contact pressure.The contact mechanism can solve the problem that closing driving force is larger in prior art, energy consumption is higher, economic benefit is poorer, and contact pressure is smaller, reliability is poorer.

The invention discloses a flexure member, comprising a support portion including a first support end and a second support end; the connecting part is arranged between the first supporting end and the second supporting end to connect the first supporting end and the second supporting end, the length of the connecting part is larger than the width of the connecting part, and the minimum width of the connecting part is larger than the thickness of the connecting part; the connecting part comprises at least one section part extending linearly and at least two bent bending parts, and each bending part is arranged between two adjacent section parts and between the section part and the supporting part, so that the extending direction of each section part can be changed. The bending parts are arranged on the connecting part, so that the two supporting ends of the bending part can relatively move in a large range, the borne resistance is small, the local rigidity of the connecting part is further reduced by arranging the narrowing part, and the bending part is softer.

The small-driving-force fuel regulating valve comprises a valve body, a valve element and an upper end cover, the valve element and the upper end cover are both installed in the valve body, one end of the valve element is located in the valve body, the other end of the valve element penetrates through the upper end cover and is exposed to the outer side, a valve element shaft shoulder is arranged in the middle of the valve element, and a cavity is formed between the valve element shaft shoulder and the upper end cover; a communicating channel is arranged in the valve element, one end of the communicating channel communicates with one end of the valve element, and the other end of the communicating channel communicates with the cavity. Fuel gas in the valve body can enter a cavity formed by a shaft shoulder in the middle of the valve element and the upper end cover under the action of pressure, the stress area of the shaft shoulder of the valve element is slightly larger than that of the head of the valve element, the pressure of the fuel gas on the two sides of the valve element is basically balanced, the acting force of the fuel gas on the valve element is reduced, and it is guaranteed that the valve element has the automatic closing capacity when external driving fails; the influence of gas pressure on the valve element is reduced, and the driving force needed for driving the valve element to move is reduced.

The present application relates to the field of automobile technology, and in particular to a vehicle driving method, a vehicle, and a computer-readable storage medium. The vehicle driving method includes: obtaining a power switching instruction, switching the driving mode of the vehicle to a target driving mode indicated by the power switching instruction; wherein the target driving mode is one of the preset driving modes of the vehicle; the preset driving mode includes a normal mode, a plurality of first modes, and / or a plurality of second modes, the driving power of the first mode is higher than the driving power of the normal mode, and the driving power of the second mode is lower than the driving power of the normal mode; in response to obtaining a power change request for carrying power demand, the vehicle is controlled to respond to the power demand according to the power response rule of the target driving mode. The use of this method can enrich the driving mode of the vehicle under driving state, which is conducive to optimizing the refinement of the power response efficiency strategy of the vehicle driving mode.

The utility model relates to the technical field of fire-fighting articles, and discloses a fire-fighting container valve capable of being started repeatedly under low driving force, which comprises a shell and a valve core element movably arranged in the shell, the shell is provided with an air inlet, an air outlet and a first channel communicated between the air inlet and the air outlet, and the shell is provided with a driving device. The driving device is used for driving the valve element element to open / block the first channel, the valve element element comprises a blocking end used for blocking the first channel, a stress end is formed at the end, away from the blocking end, of the valve element element, a first cavity is formed between the blocking end and the shell, and a second cavity communicated with the first cavity is formed between the stress end and the shell. And the valve core element is arranged in the shell in a sliding manner. According to the fire-fighting container valve capable of being started repeatedly with low driving force, the driving force for opening the container valve is small, and opening is convenient; the power and the size of an electromagnet in the driving device can be set to be small, so that the voltage safety of system operation is guaranteed, and carrying and arrangement are convenient.

This invention relates to the field of construction machinery technology, providing a paver control method, a paver travel system, a paver, and electronic equipment. The paver control method includes acquiring the current discharge pressure of the travel pump; determining that the current discharge pressure of the travel pump is greater than a preset pressure, where the preset pressure is less than the design discharge pressure of the travel pump; and controlling at least one of the speed and acceleration of the paver's travel mechanism to decrease until the current discharge pressure of the travel pump is determined to be less than or equal to the preset pressure. The paver control method provided by this invention addresses the defect in existing technologies where sudden stop of the travel mechanism leads to rollover. By controlling the discharge pressure of the travel pump, it ensures that the travel pump operates stably, providing stable driving force to the travel mechanism, thus achieving controllable paver movement.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

The embodiment of the invention provides a motor, a camera module and electronic equipment. The motor comprises a base; the stator assembly comprises a guide rod connected to the base, a lubricating medium layer is arranged on the outer wall of the guide rod, and the viscosity of the lubricating medium layer is related to the temperature; the rotor assembly is used for bearing the lens assembly, at least partially sleeves the guide rod, and is movably connected with the guide rod along the axial direction of the guide rod; wherein the guide rod is made of a resistance heating material, and under the condition that the guide rod is electrified, the temperature and the viscosity of the lubricating medium layer can be changed. In the embodiment of the invention, the guide rod is made of the resistance heating material, the guide rod can generate heat and raise the temperature under the condition that the guide rod is electrified, and the temperature and the viscosity of the lubricating medium layer are adjusted, so that the friction force between the mover assembly and the guide rod is adjusted, the mover assembly can smoothly move when the electronic equipment is in a low-temperature environment, and further, the service life of the electronic equipment is prolonged. The lens assembly can also smoothly move to a target position, and the use performance of the motor is ensured.

A mixing mechanism for corundum smelting and purification comprises a mounting frame, a mixing and conveying mechanism is mounted on the mounting frame, a raw material conveying unit is arranged above the mixing and conveying mechanism, the raw material conveying unit comprises at least two raw material conveying mechanisms, and the conveying rates of the raw material conveying mechanisms are different. And a feeding and trowelling shell is mounted on the raw material conveying mechanism and used for trowelling the conveyed raw materials to the same height on the raw material conveying mechanism. The corundum raw material proportioning and mixing device is simple in structure, can quickly finish proportioning and mixing of corundum purification raw materials, is not easy to damage, and is high in production efficiency.