36results about How to "Reliable drive" patented technology

The utility model discloses equipment for screening building materials in the technical field of building materials, which comprises a screening box, a screen mesh, a feed port, a first discharge port, a second discharge port, a supporting seat, a scraper mechanism and a vibrating mechanism, the feed port is arranged at the top of the screening box, the first discharge port is arranged on the side wall of the screening box, and the second discharge port is arranged on the side wall of the screening box. The second discharging port is formed in the bottom wall of the screening box, a cavity is formed in the screening box, the screen is arranged in the cavity, the feeding port, the first discharging port and the second discharging port are communicated through the cavity, the scraper mechanism comprises a scraper, a push rod and a power mechanism, and the power mechanism drives the scraper to move back and forth on the upper surface of the screen towards the first discharging port. Supporting legs are arranged at the bottom of the supporting seat, a cavity structure sleeved with the supporting legs is arranged at the top of the vibration mechanism body, the vibration mechanism is arranged at the bottom of the supporting seat, and a convex block of the vibration mechanism rotates to drive the screening box to vibrate up and down. The technical problems that a screen of an existing device is prone to being blocked, and the screening efficiency is low are solved.

The invention provides a vehicle emergency processing method and device. When the motion state parameter value of the to-be-determined object meets the preset two-wheeled vehicle condition, the to-be-determined object is determined as the target two-wheeled vehicle, and the delay duration of triggering the AEB signal corresponding to the preset delay condition and the motion type of the target two-wheeled vehicle are determined; and when the motion type of the target two-wheeled vehicle belongs to one of a plurality of preset compensation types, obtaining a compensation distance matched with the motion type of the target two-wheeled vehicle based on the motion state parameter value of the target two-wheeled vehicle. By delaying the time length and increasing the compensation distance, inaccurate distance judgment during running of the target two-wheeled vehicle is avoided, so that stable and reliable running of the vehicle is guaranteed, and false triggering of the AEB is avoided.

The release reset structure comprises an operating mechanism, a magnetic flux release and a reset rod, the reset rod is rotationally arranged and can be switched between a first position and a second position, the axis direction of the reset rod serves as the first direction, the magnetic flux release comprises a push rod, the moving direction of the push rod serves as the second direction, and the operating mechanism and the magnetic flux release are arranged in the first direction. The reset rod is located on the same side of the operating mechanism and the magnetic flux release in the second direction. And in the re-buckling process of the operating mechanism, the operating mechanism drives the reset rod to rotate to the second position, and meanwhile, the reset rod drives the push rod, so that the magnetic flux release is reset to the first running state. The circuit breaker comprises the release reset structure. According to the release reset structure and the circuit breaker, the reset rod is rotatably arranged on the same side of the operating mechanism and the magnetic flux release which are arranged side by side, the action relationship between the reset rod and the operating mechanism and the action relationship between the reset rod and the magnetic flux release are simplified, the action cooperation is stable and reliable, and the layout is compact and reasonable.

The utility model relates to a high-voltage direct-current relay with a double-moving-contact-piece structure, which comprises a shell, an electromagnetic driving mechanism, a ceramic cover, two leading-out terminals and a moving contact piece assembly, the moving contact piece assembly comprises a driving frame, a driving contact piece, a driving contact spring, a driven contact piece, a driven contact spring and a lower short circuit ring, and the lower short circuit ring is arranged on the driving contact piece and the driven contact piece. The two leading-out terminals are provided with two circular static contact planes extending in the ceramic cover, and two ends of the driving contact piece are provided with two driving contact planes matched with the two circular static contact planes. The two ends of the driven contact piece are provided with two driven contact planes matched with the two circular static contact planes. The utility model has the advantages of simple structure, stable and reliable performance, small contact resistance and strong short-circuit current resistance.

The utility model discloses a cleaning mechanism of a forming machine, which belongs to the technical field of forming machine cleaning and comprises a forming machine body and a cleaning mechanism main body arranged on the forming machine body. The cleaning mechanism body comprises a cleaning piece used for cleaning the forming machine body, a driving piece used for driving the cleaning piece to move and a mounting frame used for mounting the driving piece. A mounting plate is arranged on the forming machine body, and the mounting frame is detachably connected with the mounting plate; the output end of the driving part is in transmission connection with the cleaning part so as to drive the cleaning part to reciprocate in the direction parallel to the to-be-cleaned surface of the forming machine body. Compared with a manual cleaning mode and a traditional mechanical cleaning mode, the cleaning mechanism of the forming machine with the structure has the advantages that the cleaning efficiency is greatly improved, the cleaning time is shortened, and continuous and stable operation of the forming machine is guaranteed.

A spacecraft adjustable locking and releasing mechanism includes a shaft system, a pin puller locking sleeve, a pyrotechnic pin puller, an adjusting assembly, a pin puller pressing sleeve and a base; the relative position between the pyrotechnic pin puller and the shaft system can be adjusted by the adjusting assembly, and the pyrotechnic pin puller presses against the shaft system after the adjusting assembly applies a specified preload, thereby realizing the locking function of the spacecraft launch section; the adjusting assembly is rotated in the opposite direction to realize the manual unlocking function on the ground; after the spacecraft enters orbit, the pin puller igniter is detonated, and the high-temperature and high-pressure gas generated pushes the pin puller piston to move, overcoming the friction force while cutting off the locking pin, and the piston retracts into the pin puller body, thereby realizing the function of releasing the shaft system. The present invention can lock when the shaft system is in an orthogonal retracted state, reducing the overall range envelope of the spacecraft, which is conducive to the spacecraft system to coordinate the position planning of each single machine; the unlocking and releasing function relies on the pyrotechnic pin puller to cut off the locking pin, does not rely on other auxiliary parts, and has a high degree of reliability.

The invention particularly relates to an aircraft cargo bridge which comprises a cargo bridge body, an auxiliary cargo bridge, a limiting beam, a driving rocker arm, an ox horn rocker arm and a transmission rod system. The front end of the cargo bridge body is hinged to a cargo hold structure. The front end of the auxiliary cargo bridge is hinged to the tail end of the cargo bridge body. The front end of the driving rocker arm is hinged to a cargo hold structure; the root of the ox horn rocker arm is hinged to the tail end of the cargo bridge body, and the tail end is clamped in the sliding groove; the front end of the transmission rod system is hinged to the rear end of the driving rocker arm, and the rear end of the transmission rod system is hinged to the ox horn rocker arm; when the cargo bridge body is put down, the driving rocker arm rotates, the oxhorn rocker arm can be driven to rotate through the transmission rod system, the tail end of the oxhorn rocker arm slides in the sliding groove, and therefore the auxiliary cargo bridge is driven to rotate, and the auxiliary cargo bridge is put down synchronously and makes contact with the ground. When the cargo bridge body is folded, the driving rocker arm rotates, the oxhorn rocker arm can be driven to rotate through the transmission rod system, the tail end of the oxhorn rocker arm slides in the sliding groove, and therefore the auxiliary cargo bridge is driven to rotate and synchronously folded.

The invention discloses a synchronous rectification driving system with independent auxiliary power supply and a control circuit. According to the scheme, the special auxiliary power supply module which is completely independent of the main power output loop is introduced into the synchronous rectification controller and cooperates with the digital main control chip, so that a synchronous rectification driving framework with high reliability and high stability is constructed; and the industrial problem of instability or failure of synchronous rectification driving under abnormal working conditions of starting, short circuit, light load and the like due to independent output or transformer winding power supply in the traditional scheme is solved, and stable and reliable work of the synchronous rectification system in a full working condition range is ensured. And meanwhile, the modular circuit design is combined, so that the overall reliability, the control precision and the maintainability of the power supply system are improved.

The utility model discloses a kind of pinch encircle massagers, including driving part, support, rotating wheel group, hinged ball head and massage rod assembly, support is provided with annular movable cavity, rotating wheel group is set on the output shaft of driving part, driving part is used to drive rotating wheel group rotation, hinged ball head is set on rotating wheel group with eccentric state relative to the rotation axis of rotating wheel group, the second end of massage rod assembly is provided with mouth, hinged ball head is movably embedded in mouth, part of the outer circumferential surface of massage rod assembly extends in circumferential direction to form outer protruding spherical surface, spherical surface is movably embedded in annular movable cavity, to produce encircle kneading type massage action, relax body muscle, promote blood circulation, structure design is simple and compact, driving mode is stable and reliable, further enriches the massage mode of massager, expands the use range of massager.

The utility model discloses a bicycle track structure for riding on a snowfield, which is characterized by comprising a motor, a gear, an annular track and a driven mechanism, the motor, the gear, the annular track and the driven mechanism are mounted on a motor fixing shaft, the motor is connected with the gear, the driven mechanism comprises a plurality of rotating wheels and a support assembly, and the support assembly is connected with the annular track. A gear and a rotating wheel are installed on the upper side and the lower side of the support assembly respectively, and the annular caterpillar band is arranged outside the gear and the rotating wheel in a surrounding mode. And a crawler-type structure is utilized to enhance the road holding force, so that the safety of snowfield riding is improved.

The utility model relates to the technical field of agricultural machinery, and particularly discloses a pesticide spraying and sprinkling irrigation integrated vehicle which is characterized in that the bottom of a frame body is rotatably connected with wheels, a driving mechanism comprises an engine, a gearbox and a transmission assembly, a bearing plate is arranged at the top of the frame body, the engine is fixed at the top of the bearing plate, and the gearbox is fixed at the bottom of the bearing plate; the transmission assembly is arranged in the frame body, the engine is in transmission connection with the gearbox, the gearbox is in transmission connection with the transmission assembly, and the tail end of the transmission assembly is in transmission connection with the wheels; a first winding mechanism in transmission connection with the gearbox is arranged on the frame body, and the power output end of the engine is in transmission connection with a second winding mechanism; the spraying mechanism communicates with the bucket. The pesticide spraying function and the sprinkling irrigation function are integrated on one vehicle, and integration and optimization of the functions are achieved. The equipment number and the storage space requirement are reduced, and the economic burden of farmers is reduced.

The present application relates to a kind of prostate bundle peg device, including drive handle and gate box, drive handle is equipped with installation slot, the needle slider of the gate box is equipped with with the transmission connection of puncture needle, the line slider of the bundle peg line connection and with the transmission connection of needle slider, and the energy storage slider for triggering needle slider, the bottom of installation slot is equipped with multiple transmission grooves, needle slider and energy storage slider respectively pass each transmission groove and extend to drive handle, rotatable wheel is equipped in drive handle, first arc convex strip and second arc convex strip are equipped on the end face of wheel, when wheel rotates, first arc convex strip and second arc convex strip can respectively push needle slider and energy storage slider respectively along each transmission groove move.The present application has the characteristics of reducing the use cost of surgical instrument, reducing the cost required for operation, reducing the burden of patient, while driving stable and reliable, can improve the operation efficiency and the stability of instrument use during operation, ensure the normal operation of operation etc..

A small swing angle switch, comprising a panel, a pressing plate, a knob assembly, a moving contact and a stationary contact, the panel is rotationally arranged on the pressing plate, the knob assembly comprises a knob, the pressing plate is provided with a mounting cavity, the knob is rotationally arranged in the mounting cavity, the switch further comprises a sliding plate which is slidingly arranged on the pressing plate, the sliding plate can slide between a first position and a second position, the panel and the sliding plate are drivingly matched, the sliding plate is connected with the knob, and the pressing plate, the sliding plate and the panel are sequentially arranged; the sliding plate comprises a first driving arm and a second driving arm which are arranged at intervals, the knob assembly comprises a first driven arm and a second driven arm which are located on both sides of the knob, the sliding plate can slide under the drive of the panel, the first driven arm is driven through the first driving arm or the second driven arm is driven through the second driving arm, so as to drive the knob to rotate, the knob assembly can drive the moving contact to contact or separate from the stationary contact, through the arrangement of the sliding plate and the driving arm on the sliding plate, the sliding plate slides with less displacement, and the panel swings with a smaller angle.

The invention relates to a corn threshing and winnowing multi-working-condition adjustable parameter detection test bed which comprises a vibration rack, two sets of vibration sliding rails arranged in parallel, a screen, a crank connecting rod driving mechanism and an airflow output air channel. The screen cloth is obliquely arranged, and the two opposite sides of the screen cloth are slidably connected to the two vibration sliding rails correspondingly. The driving end of the crank connecting rod driving mechanism is connected with the screen cloth and drives the screen cloth to reciprocate along the vibration sliding rails. An air outlet of the airflow output air duct is positioned obliquely below the screen and is parallel to the screen; the driving end of the crank connecting rod driving mechanism is provided with a plurality of connecting holes used for being connected with the screen cloth. By arranging a plurality of connecting holes, the screen can be mounted on different connecting holes, the amplitude of the screen can be adjusted, the vibration frequency is changed by changing the rotating speed of the crank connecting rod driving mechanism, the air speed is changed by changing the distance of the air outlet of the air duct, and the problem of multi-parameter working condition simulation test of one test bed is solved.

The invention discloses veterinary tool cleaning equipment for animal husbandry and veterinary surgeons, and relates to the technical field of animal husbandry and veterinary surgeons. The interior of the outer shell is divided into an upper drying cavity, a middle cleaning cavity and a lower integrated control cavity through an upper partition plate and a lower partition plate. A first through hole is formed in the middle of the upper partition plate, and a second through hole corresponding to the first through hole is formed in the top wall of the outer shell. The lifting plate is located in the cleaning cavity and can move up and down in the cleaning cavity, a cleaning net cylinder is arranged in the middle of the top face of the lifting plate, the bottom of the cleaning net cylinder is closed, and the top is connected with a cover. The cleaning net cylinder can penetrate through the first through hole under the control of the lifting action of the lifting plate, and the positions of the cleaning net cylinder can be switched in the drying cavity and the cleaning cavity. Veterinary tools placed in the cleaning net cylinder are brought into the cleaning cavity to be cleaned through the lifting plate and then brought into the drying cavity to be dried, the risk of secondary pollution after cleaning is avoided, control is easy, and operation is convenient and fast.

A locking structure is arranged between a lower shell and an upper cover plate, the interior of the lower shell is divided into an upper cavity and a lower cavity through a detection partition plate, the upper cavity is divided into an outer cavity and an inner cavity through a sampling baffle ring, a plurality of storage cylinders are fixedly installed in the outer cavity, air inlet branch pipes and air outlet branch pipes are further arranged in the storage cylinders, and the air inlet branch pipes and the air outlet branch pipes are connected with the upper cover plate. The air inlet branch pipes and the air outlet branch pipes penetrate through the detection partition plate to enter the lower cavity, an air inlet header pipe and an air outlet header pipe are arranged in the lower cavity, the air inlet branch pipes are provided with corresponding electromagnetic valves, the air inlet header pipe is connected with an air extracting pump, an extractor pipeline of the air extracting pump penetrates through the lower shell to be communicated with the outside, and the air outlet header pipe also penetrates through the lower shell to be communicated with the outside. An irradiation hole is formed in the sampling baffle ring, an illumination light source is rotationally mounted on the upper cover plate, and a light intensity detection sensor and a limiting device are arranged in the outer cavity; the device can automatically carry out absorbance detection after a plurality of U-shaped absorption tubes are sampled, so that the sampling accuracy is ensured, the light is effectively avoided, and the manual complexity is reduced.

The application discloses a zero-energy passive RF MEMS switch driver and a working method thereof, relates to the field of radio frequency microwave and micro electromechanical system driving technology, and particularly relates to a safe execution mechanism for non-maintenance systems such as deep space probes and low-orbit satellites. The driver is composed of a three-stage cascaded passive chain: a three-order coupled microstrip band-pass filter, a zero-bias Schottky diode voltage doubler rectifier and an RC pulse width discriminator. The driver directly drives the MEMS switch to act by radio frequency pulses in a full energy depletion state, and no special energy storage capacitor is arranged between the rectifier and the MEMS switch load, so that a real zero-energy start is realized. The application solves the industry pain point that the existing driving circuit is completely invalid in a full energy depletion state, does not need any active device, digital logic or direct current bias, and the three-stage passive chain simultaneously provides frequency, amplitude and pulse width triple verification, and has inherent anti-interference capability.

A manual closing structure of a magnetic control type circuit breaker comprises a support. The electromagnetic mechanism comprises a driving rod; the manual closing assembly comprises an operation shaft, a push rod and a sliding part, the sliding part is arranged on the support in a sliding mode in the closing direction and can be switched from the first position to the second position, the sliding part and the driving rod are arranged correspondingly, the operation shaft rotates around a third rotation center c, the push rod is connected with the operation shaft, and the push rod can rotate along with the operation shaft; and the push rod drives the sliding piece to push the driving rod to move towards the closing direction. A magnetic control type circuit breaker comprises a rotating shaft system and a manual closing structure. The invention relates to the field of low-voltage electric appliances, in particular to a manual switching-on structure of a magnetic control type circuit breaker and the magnetic control type circuit breaker, switching-on of the circuit breaker can be achieved only by rotating an operating shaft without additionally providing an external power source, the operating shaft and a sliding part are in transmission through a push rod, rotation is converted into linear sliding, and the linear sliding is output to a driving rod. Manual rotation operation is facilitated, and reliable and stable manual closing can be realized.

The invention provides a driving circuit, a sub-module and a current converter. The drive circuit can realize short-circuit protection of the switch tube through the short-circuit protection branch, and can realize overcurrent protection of the switch tube through the overcurrent protection branch. In other words, different kinds of protection are adopted for the short-circuit fault and the over-current fault of the switching tube, reliable driving of the switching tube is achieved, and the reliability of the driving circuit is improved. The short-circuit protection threshold voltage and the over-current protection threshold voltage are adjustable, and driving protection of multi-stage threshold voltage can be realized for the switch tube.

The present invention provides a control structure for the displacement of a water tank, comprising: a water tank body, having a first water storage chamber and a second water storage chamber, wherein the first water storage chamber is provided with a first drainage channel, and the second water storage chamber is provided with a second drainage channel; a drainage valve, used to control the opening and closing of the second drainage channel, wherein the drainage valve has a full-drain switch and a half-drain switch for controlling the opening of the second drainage channel; a water retaining member, under the control of the full-drain switch or the half-drain switch, moves relative to the water tank body to control the switching between the connected and closed states of the first drainage channel. The present invention adopts a single-row drainage valve to control drainage, and can also realize single-row (half-row) drainage and double-row (full-row) drainage of the water tank, with a simple structure and reliable functions.

The utility model provides an auxiliary device for verifying the reliability of a launch canister top cover opening and closing mechanism, which comprises a bottom frame, a support and a rotating mechanism, the support is arranged at the upper end of the bottom frame, the top of the support is provided with a flexible bearing piece, and the flexible bearing piece comprises grid bandages arranged in a grid mode and is used for flexibly bearing a top cover and providing protection when bearing the top cover. The support is rotationally connected with the bottom frame through a rotating mechanism, so that the top cover located on the flexible bearing piece is alternated between the opening state and the closing state. According to the utility model, the launch canister top cover in an open state can be borne, protection is provided during bearing, the top cover can be rapidly and reliably driven to a closed state, a reliability cycle test is assisted, the test safety is ensured, and the test efficiency is improved.

Comprising a gun body, a driving rod, a piston, a gluing assembly and a self-locking assembly, and the gun body is provided with a glue cavity and a driving cavity. The gluing assembly comprises a driving handle, a driving cylinder, a driven ring, an acting ring, a reset spring and an acting rod. The driving handle is in rolling fit with the arc-shaped face of the actuating rod through the rolling bearing on the connecting shaft, force transmission is optimized, operation is more labor-saving, the force exerting burden of an operator is relieved, long-time operation fatigue is avoided, and the gluing efficiency is remarkably improved. The balls in rolling fit with the driving rod are arranged in the driving cylinder, friction between the balls and the driving rod is reduced, and force burden is further relieved. The gluing assembly of the sealant gun is ingenious and reasonable in design, has obvious advantages compared with a traditional product, and can better meet actual gluing operation requirements.

The utility model relates to a kind of semi-direct drive cutting unit driving system, it is related to engineering machinery technical field, it includes support and gear box part assembly.Gear box part assembly includes motor assembly and two gear box assemblies;Motor assembly has two output parts arranged in the extension direction of preset axis and can rotate around preset axis, and motor assembly is installed in support;Two gear box assemblies are connected with support and distributed in the extension direction of motor assembly on both sides of preset axis;The input end of two gear box assemblies is respectively connected with two output parts transmission, and the output end of two gear box assemblies is rotatably connected with support around preset axis or with the axis parallel with preset axis.It is simple in structure, small in size, light in weight, can improve power density high, improve transmission reliability, reduce failure rate.

The application discloses a driving method, device, equipment and circuit of electronic paper. A public electrode driver and a segment electrode driver are used to directly apply a coordinated voltage combination to row and column electrodes, so that the voltage difference at a target change pixel point is sufficient to trigger the flipping of electrophoretic particles, and the voltage difference at a non-target pixel point is suppressed below a holding threshold. The technical problems of structural complexity, high process cost and low reliability caused by TFT manufacturing are solved. In addition, since there is no need to integrate a transistor in the pixel, the aperture ratio and light transmittance of the panel are improved, and finally the technical effects of simplifying the structure, reducing the cost and improving the display performance are achieved while realizing stable and reliable driving.

The invention discloses a steering control method for assisting vehicle stability and an automobile. The method comprises the steps that after triggering conditions and activation conditions are met, steering wheel force needing to be corrected is calculated according to the current vehicle state, and the corrected steering wheel force obtained through calculation is superposed to a steering system to conduct correction control on the direction of the steering system. The power-assisted steering system has the advantages that steering control is added on the basis of power-assisted steering, obvious mechanical vibration and noise cannot be generated, the dynamic stability of a vehicle can be effectively kept, and the riding experience and the driving safety are improved. When the road surface between the left side and the right side of the vehicle is unbalanced, the stability of the vehicle can be ensured by automatically applying the correction force, so that the vehicle can stably and reliably run.

The invention relates to a low-cost driving circuit of a high-driving-voltage magnetic latching relay, which comprises a first triode Q1, a second triode Q2, a third triode Q3, a fourth triode Q4, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6 and a relay coil 100, and the four triodes Q1, Q2, Q3 and Q4 can control the positive and negative alternation of the voltages at the two ends of the coil of the magnetic latching relay. According to the low-cost driving circuit of the high-driving-voltage magnetic latching relay, used devices are simple, maintenance is convenient, cost is extremely low, and stability and reliability are achieved; the high-voltage magnetic latching relay circuit has the advantages of simple structure, few required control signals, simple control and high circuit flexibility, can be adapted to any type of high-driving voltage relay by adjusting a switching device, and can effectively and reliably drive the high-voltage magnetic latching relay circuit.

The utility model discloses an overturning plate drilling tool which comprises a fixed base, a machining table top is formed on the fixed base, a plurality of positioning columns are arranged on the machining table top at intervals, an overturning plate to be machined is installed on the positioning columns, and an installation groove used for installing a clamping device is formed between any two adjacent positioning columns. The clamping device comprises an expansion clamping block and two sliding clamping blocks which are oppositely arranged, the expansion clamping block is an inverted-cone-shaped block body, and the expansion clamping block is driven by the driving part to move downwards relative to the machining table top and force the two sliding clamping blocks to slide in the opposite directions; the sliding clamping blocks are matched with the positioning columns adjacent to the sliding clamping blocks to lock the turnover plate; when the expansion clamping block moves upwards, the sliding clamping block relieves the locking state of the turnover plate abutting against the sliding clamping block; therefore, according to the turnover plate drilling tool, the turnover plate is positioned and installed through the positioning column, then the expansion clamping block is controlled to move downwards, the workpiece is horizontally clamped through the sliding clamping block, operation and use are convenient, and the machining efficiency is high.

The invention relates to a new energy automobile IGBT driving circuit and a battery pack heating device, and relates to the technical field of vehicle-mounted power supply control, the new energy automobile IGBT driving circuit comprises a power supply unit, an under-voltage protection unit and an IGBT driving unit, the power supply unit is connected with a battery pack of a new energy automobile, the under-voltage protection unit is connected with the power supply unit, and the IGBT driving unit is connected with the under-voltage protection unit. The IGBT driving unit comprises a photoelectric coupling module, a totem pole driving module and an IGBT output module, the photoelectric coupling module is connected with an external driving control signal source and the under-voltage protection unit, the totem pole driving module is connected with the photoelectric coupling module and the power supply unit, and the IGBT output module is connected with the totem pole driving module and the load element. And the load element is connected with the battery pack, so that the stability of the IGBT driving circuit and the reliability of an under-voltage protection function can be improved. The new energy automobile battery pack heating device provided by the invention uses the new energy automobile IGBT driving circuit provided by the invention.