41results about How to "Realize on-off" patented technology

The invention discloses a double-side water inlet and outlet independent salt path control valve and an operation method thereof.The double-side water inlet and outlet independent salt path control valve comprises a control valve body, a control valve flow channel switching assembly and a salt path switching assembly, and a grating inner cavity communicating with a softening tank is formed in the control valve body; the water inlet channel and the water outlet channel are both communicated with the grille inner cavity and located in the same straight line direction, the siphon installation channel is communicated with the grille inner cavity, the siphon installation channel is communicated with the salt suction channel through a salt valve assembly installation channel, a pulse booster pump is arranged on the water inlet channel, and the pulse pump is started during back washing and front washing. Based on the cooperative arrangement of the control valve body, the control valve flow channel switching assembly and the salt path switching assembly, the control valve can be conveniently operated, and the working states of purification, backwashing, salt absorption or water supplement of the softening machine can be flexibly switched; and the pulse pump is started during backwashing and conventional washing, so that the pressure of the water inlet is increased, the backwashing and conventional washing time is shortened, the backwashing and conventional washing effects are enhanced, and wastewater discharge is reduced.

The invention relates to a double-generator unmanned aerial vehicle power distribution system architecture power distribution system and a power distribution method, and solves the problem that a main generator and a standby generator of an existing power distribution system fail when an engine fails. Comprising a primary power distribution system, a secondary power distribution system, a bus bar control unit BPCU and two electrical load management centers ELMC, the BPCU is responsible for primary power distribution control, and the ELMC is responsible for secondary power distribution control; the BPCU is provided with five power input sources, namely a left generator, a right generator, two ground power supplies and an emergency storage battery pack, and the BPCU distributes the power input sources to seven internal bus bars according to preset logic, namely a left / right generator bus bar, a left / right task bus bar, a left / right key bus bar and a storage battery bus bar; and the two electrical load management centers respectively obtain electric power from the front seven bus bars, and distribute the electric power to the terminal loads through internal SSPCs or direct connection lines. The method can prevent task equipment faults from affecting whole-aircraft power supply, and improves the reliability of fault isolation.

The invention discloses a liquid organic fertilizer precise application device suitable for field trials, and relates to the technical field of agricultural machinery, the liquid organic fertilizer precise application device comprises a liquid fertilizer applicator and a conveying pipeline laid in the field, each branch pipeline is communicated with a plurality of fertilizer outlet pipes, the tail ends of the fertilizer outlet pipes are communicated with a temporary storage tank, and a guide pipe and a plugging ball are arranged in a tank body of the temporary storage tank; the plugging ball is used for sealing or opening a bottom liquid outlet of the temporary storage tank and arranged at the bottom of the guide pipe, a gap is reserved between the plugging ball and the guide pipe, and the outer side of the guide pipe is sleeved with a floating block; and a liquid level switch is arranged at the port of the fertilizer outlet pipe in the temporary storage tank. Through the temporary storage tank and the liquid level switch arranged in the temporary storage tank, the amount of the liquid organic fertilizer entering the temporary storage tank can be controlled, the position of the plugging ball is adjusted through the connecting rope, connection and disconnection of an outlet in the bottom of the temporary storage tank are achieved, and therefore precise application of the liquid organic fertilizer is achieved.

The invention provides an electric leakage protection socket with remote intelligent regulation and control and data transmission functions, the electric leakage protection socket comprises a remote intelligent regulation and control electric leakage protection socket and an intelligent regulation and control circuit, the intelligent regulation and control electric leakage protection socket comprises a PCB, a vertical type four-silver-point tripping device is welded on the PCB, four round-head silver points are welded on the vertical type four-silver-point tripping device, and the four round-head silver points are welded on the intelligent regulation and control circuit. The four round head silver points on the vertical type four-silver-point tripping device correspond to the four silver contacts on the PCB. The intelligent regulation and control circuit comprises an MCU, a dual-drive coil L1 and a wireless remote control receiver, the MCU is welded on the PCB, and the MCU can receive a remote control signal sent by the wireless remote control receiver and then control the on-off of the vertical four-silver-point tripping device so as to control the on-off of the circuit; the MCU can also send out automatic detection signals aiming at the control circuit and the vertical four-silver-point tripping device according to regular automatic detection information set by the embedded program, and the vertical four-silver-point tripping device executes an automatic on-off detection function to ensure that the leakage protection socket is kept in a normal standby state.

The application relates to the field of water-saving irrigation, and discloses a low-power remote flow control valve which comprises a control valve body; the control valve body comprises a communication pipeline, a piston cavity and a control box body arranged from bottom to top; the communication pipeline comprises a first pipeline and a second pipeline which are blocked by a partition plate; the piston cavity is provided with a reset piece and a piston body; and the control box body is provided with a power supply device, a controller, a first electromagnetic valve and a second electromagnetic valve. The low-power remote flow control valve realizes low-energy consumption and remote flow control through the cooperation between the structures.

This utility model discloses a convenient three-way valve for easy assembly and disassembly in the field of pipeline valve devices. It includes a valve mounting seat, a valve body, and a drive mechanism. The valve mounting seat has an opening in the middle, with three inner mounting bevels inside the opening. The valve body has corresponding outer mounting bevels on each of the three inner mounting bevels. The valve body has three connecting passages separated by a valve core, each extending from an inner mounting bevel into the valve body. The valve body is fitted into the opening, with the outer mounting bevels pressing against the inner mounting bevels. The three connecting passages within the valve body are sealed to the inner ports. The drive mechanism is mounted on the valve body and driven by the valve core, controlling the position of the valve core to open and close the three connecting passages. When maintenance or replacement is required, the cover plate of this three-way valve can be directly opened, and the valve body removed from the valve mounting seat without needing to chisel through the wall, maintaining the aesthetics and overall consistency of the wall. It is suitable for use in household and other applications involving in-wall pipe connections and conversions.

The utility model belongs to switch technical field especially relates to a switch linkage extender, including signal input and control module, relay drive module and signal output module, signal input and control module includes USB male head, triode, first resistance and second resistance, relay drive module includes relay, freewheeling diode, fifth resistance and sixth resistance, USB male head is inserted with the USB female head of computer host, the high -speed data transmission difference signal positive terminal of USB male head is connected with first resistance, sixth resistance, the high -speed data reception difference signal positive terminal of USB male head is connected with fifth resistance, first resistance is connected with second resistance, the base of triode, the collector of triode is connected with the anode of freewheeling diode, the first common end of relay, the negative pole of freewheeling diode is connected with the first normally open end of relay, fifth resistance, through using the utility model can realize the linkage of the door lamp between the package and computer host.

The invention discloses a goods inversion detection method, system and device based on the RFID technology, and the method comprises the steps: arranging an electronic tag on the outer side of a target goods package, enabling the electronic tag to be provided with a first electrode contact and a second electrode contact, enabling the first electrode contact to be connected with a conductive chain, and enabling the second electrode contact to be connected with a second electrode contact; the electronic tag has a circuit conduction state in which the conductive chains are unfolded towards the gravity direction and are in contact connection with the second electrode contact, and a circuit disconnection state in which the conductive chains are gathered towards the direction far away from the gravity direction and are separated from the second electrode contact; in response to the cargo inversion detection signal, controlling the RFID reader-writer to start reading the electronic tag; acquiring the number of current electronic tags identified by the RFID reader-writer in real time; judging whether the number of the current electronic tags meets a preset condition or not; if yes, sending cargo uprightly-placing information; and if not, sending cargo inversion alarm information. According to the invention, inverted goods can be detected, and alarm information can be found and sent in time.

The utility model relates to the technical field of connectors, and discloses a Type-C connector circuit and a magnetic Type-C connector, and the circuit comprises a first port and a second port which are connected with an external device; the input current of the first port is smaller than that of the second port; the power supply detection circuit comprises a switch module and an enabling control module which are connected, and the switch module is connected with the first port and the second port at the same time; the PD processor is connected with the power supply detection circuit and used for generating an enable signal when the second port is connected, the PD processor is connected with a third port of the audio earphone and a fourth port connected with the electronic equipment, and the third port is in communication connection with the fourth port; wherein the enabling control module is used for controlling the switch module to be switched on through an enabling signal and enabling the input current of the second port to be input to the third port and the fourth port. The method is applied to the Type-C connector, so that the effect that the audio earphone is used while the equipment is charged is achieved.

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.

This utility model relates to the field of sweeping machine technology, specifically disclosing a drain valve and a sweeping machine. The drain valve includes a housing, a piston assembly, and a drive assembly. Using this drain valve, a transmission component is mounted on the housing, and the drive assembly is driven to the piston assembly via the transmission component. This allows the drive assembly to move the piston assembly reciprocally within the valve body cavity, thereby controlling the connection or disconnection of the inlet and outlet water outlets through the movement of the piston assembly, thus controlling the opening and closing of the drain valve. Unlike existing technologies where a motor directly drives the piston to open and close the valve, this drain valve's designed transmission component enables efficient power transmission, improving the working efficiency and service life of the drain valve. It effectively solves the problem of poor power transmission efficiency of motors in existing drain valves, which leads to poor working efficiency.

The utility model discloses a filtering device for water pollution prevention and control, and belongs to the technical field of water pollution prevention and control. The filtering device for water pollution prevention and control comprises a connecting piece, a liquid inlet assembly and a filtering assembly, the filtering assembly is arranged outside the connecting piece, the liquid inlet assembly is arranged above the filtering assembly, the liquid inlet assembly comprises a pair of circular plates, the top ends of the pair of circular plates are communicated with liquid inlet pipes, and a communicating pipe is communicated between the ends, away from the circular plates, of the two liquid inlet pipes; solenoid valves are installed at the ends, away from the communicating pipe, of the two liquid inlet pipes, hollow bases are arranged at the bottom ends of the pair of circular plates, connecting rings are arranged at the bottom ends of the two hollow bases, the ends, away from the liquid inlet pipes, of the two solenoid valves communicate with pipelines, and the ends, away from the solenoid valves, of the two pipelines penetrate through the circular plates and the hollow bases and extend into the hollow bases. The filter assembly comprises a pair of filter cartridges, and the filter cartridges are installed on the two sides of the outer portion of the connecting piece respectively.

The utility model relates to the technical field of emergency protection devices of power supplies, in particular to a power battery MSD socket. According to the brand-new power battery MSD socket provided by the utility model, an adaptive MSD plug can be inserted into the plugging port of the power battery MSD socket to be mutually plugged with a conductive part, the connection and disconnection of a voltage power supply circuit can be realized by plugging and unplugging the MSD plug, and the power battery MSD socket is also provided with a fixed connection structure, so that the power battery MSD socket can be fixed at a required position of a vehicle body; when the arrangement position is determined, a power supply cable only needs to be led to the position and penetrates through the threading opening to be connected with the conductive component, the influence of the position of the battery box body or the high-voltage distribution box is avoided, meanwhile, the size of the device is small, and the limitation of the arrangement position is small.

The utility model discloses a double-break isolation grounding switch and a combination switch, which belong to the technical field of isolation grounding switches, and comprise a shell, and an isolation moving contact seat is arranged in the shell; a double-joint crank arm is arranged in the isolation moving contact seat through a rotating shaft; isolation static contacts are positioned and installed at two adjacent ports of the shell, two isolation conductive seats are installed on the isolation moving contact seat, moving contacts are arranged in the isolation conductive seats in a sliding mode, and the moving contacts are connected with the double-connector crank arm through connecting rods. A connecting conductor is mounted at one port of the shell; and one port of the shell is provided with a grounding moving contact assembling component. The rotating shaft rotates to drive the double-joint crank arm, and the two moving contacts are driven by the two connecting rods to stretch out and draw back in the isolation conductive seat at the same time, thereby realizing connection and disconnection with the isolation static contact. And in disconnection, the grounding moving contact is communicated with the isolation moving contact seat to realize grounding. The whole structure is simple, the right-angle bent double-joint crank arm is adopted, the centers of the two moving contacts are arranged in a coplanar manner, the compactness and flexibility of arrangement of each component are realized, the whole size is reduced, the disassembly and assembly are convenient, and the cost is reduced.

The invention aims to provide a safety device for a travel switch, which comprises a retainer, uniformly distributed threaded holes are formed in the side surface of the retainer, a steel ball assembly is mounted in the threaded holes, the steel ball assembly tightly holds a zipper assembly in the circumferential direction, the steel ball assembly comprises a shell, a retaining sleeve, a push rod, a spring and a steel ball, the spring is mounted in an inner cavity at the left end of the shell, and a straight slot is formed in the right end of the shell; the zipper assembly comprises a safety pull cover, a zipper, a U-shaped buckle, a sealing ring and a clamping pin, a through hole is formed in the upper end of the zipper, the U-shaped buckle penetrates into the through hole and is embedded into the safety pull cover with a through hole formed in the side face, and the safety pull cover is connected with the zipper through the sealing ring. The bayonet lock penetrates and is kept in the middle after the upper end of the U-shaped buckle is embedded into the safety pull cover, the sealing ring is placed in the middle of a circular groove in the lower end of the safety pull cover and is concentric with the circular groove, and according to the safety device for the travel switch, the conversion force of the travel switch is increased, misoperation can be prevented, and therefore the use requirement is met.

A test connector includes an insulating shell, a conductive cavity is provided in the insulating shell; a first assembly component and a second assembly component, the first assembly component and the second assembly component are respectively rotatably arranged at the two ends of the insulating shell; a first conductive component and a second conductive component, the first conductive component and the second conductive component are respectively rotatably arranged at the two ends of the insulating shell; the first conductive component and the second conductive component correspond to the first assembly component and the second assembly component respectively; a disconnecting slider, the disconnecting slider is arranged in the conductive cavity, and the disconnecting slider can slide in the conductive cavity to achieve the connection and disconnection of the first conductive component and the second conductive component. The present invention adopts the method of rotating slotted nuts to crimp copper terminals or single-strand hard coil connections to achieve wire connection; the connection between multiple connectors can be achieved through electrical connection accessories; a test screw with double test holes is adopted to facilitate circuit testing and maintenance; the disconnection of the circuit is achieved by moving the disconnecting slider left and right.

The invention provides a switch, and belongs to the technical field of electronics. The switch comprises a panel, a shell, an on-off assembly and a driving lever assembly, the panel is arranged on one side of the shell, one side, facing the shell, of the panel is provided with an inner side recess, and an outer through hole is formed in the inner side recess; the on-off assembly is located in the shell and can swing relative to the shell. The shifting rod assembly is inserted into the outer through hole, at least part of the outer wall of the first shifting rod assembly is contained in the inner side recess to shield the outer through hole, the shifting rod assembly is pivoted with the shell, the shifting rod assembly penetrates through the shell and makes contact with the on-off assembly, and the shifting rod assembly is configured to shift the on-off assembly to swing so that the switch can be turned on or turned off. The arc light flashing can be shielded.

The present invention provides an adsorption type thermoelectric switch, comprising: a fixed element, a moving element, a heat load and a flexible element; the flexible element is filled with an adsorbent and an adsorbate, the two ends of the flexible element are respectively connected to the moving element and the fixed element, the fixed element and the heat load are arranged at intervals, the moving element passes through the flexible element and the fixed element in sequence, and the moving element is separated from or contacts the heat load as the temperature of the flexible element changes. The adsorption type thermoelectric switch provided by the present invention uses a flexible element as a connector, which is respectively connected to the moving element and the fixed element, and is filled with an adsorbent and an adsorbate. The relationship between physical adsorption and temperature is used to adjust the volume of gas in the flexible element, so that the flexible element is expanded and contracted, and the moving element is driven to approach / move away from the heat load to realize the on and off of the current path, and the automatic control of the heating process can be realized without additional manual operation, which effectively improves the safety of the heating device controlled by it and avoids overheating failure.

The utility model discloses an underground parking lot charging pile with a telescopic buried function, which comprises a base, a pile body and a rotating assembly, the pile body is rotatably arranged at the upper part of the base, the rotating assembly is arranged in the base, and the rotating assembly is used for realizing the extension and retraction of the charging pile; the charging pile further comprises a sensing control assembly arranged on the lower portion of the rotating assembly, the sensing control assembly is used for sensing and controlling power-on and power-off of the charging pile, and the dustproof assembly is arranged on the left side of the base and used for preventing dust between the base and the pile body. The utility model belongs to the technical field of charging piles, and particularly relates to an underground parking lot charging pile with circuit induction protection and a telescopic buried function.

The utility model belongs to the technical field of ship power machinery, and discloses an on-off valve capable of realizing a flexible fuel switching function. Comprising a shell, the periphery of the shell is sleeved with a material returning flange, a first containing cavity allowing a servo oil pilot control valve assembly to move up and down is further formed in the shell, a first communicating channel is formed between the material returning flange and the first containing cavity, and the servo oil pilot control valve assembly moves up and down to control opening and closing of the first communicating channel; the periphery of the servo oil pilot control valve assembly is sleeved with a distribution block, and the distribution block is provided with a conveying channel communicating with the first communicating channel. A feeding flange is arranged at the bottom of the shell and provided with a feeding hole communicated with the conveying channel. Rapid switching between novel fuel supply and diesel fuel supply is achieved, and the system is particularly suitable for high-power medium-low-speed fuel engines.

The invention provides a malt drying device for beer production, and belongs to the technical field of beer preparation devices.The malt drying device comprises a fixed barrel assembly, a drying tower assembly, an elastic side blocking component, a backflow assembly, a drying assembly and a flow mixing component, a turnover barrel is located on one side of a main barrel, and the drying tower assembly is located in the main barrel; a turning plate is screwed in a discharging side opening formed in one side of the tower sleeve, and the turning plate is in an elastic opening state when being not pushed by external force; along with the downward movement of the tower sleeve to a drying position, a side connecting bevel gear is meshed with a driving bevel gear, a side conversion bevel gear is meshed with a backflow bevel gear, and a flow mixing component is matched, so that flowing type drying work can be just carried out on malt materials in a turnover cylinder body; and after the tower sleeve moves upwards in place, the turning plate is opened, and the malt material in the inner cavity of the tower sleeve can automatically flow into the turnover barrel under the action of self gravity, so that the circulating flow type drying work of the malt material can be realized.

The present invention discloses a gauge for detecting the stability performance of an instrument panel air outlet, and relates to the technical field of instrument panel gauges, including a conveyor belt and an instrument panel, wherein a gauge is provided in the middle of the conveyor belt, and the gauge includes a driving component, a detecting component, a clamping component and an air pump, wherein the air pump is connected to the detecting component, and the detecting component includes an airflow control component and an inspection component, and the clamping component includes a flow guide component and a grabbing component. The present invention realizes the grabbing, flipping and discharging of the instrument panel by the gauge through the cooperation between the driving component, the detecting component and the clamping component, and an airflow control structure is provided inside the gauge to reduce the generation of useless airflow, thereby reducing airflow branches and improving the strength of effective airflow, and an inspection mechanism is provided inside the gauge to improve the accuracy of the inspection mechanism by double-sided inspection, and reduce the influence of the special-shaped instrument panel on the grabbing effect by improving the grabbing mechanism.

The utility model discloses a connecting end, fluid connector and liquid cooling system relates to fluid connector technical field. The connecting end includes valve body, valve cover and connecting cap, and valve cover and connecting cap rotatably are established in the valve body outside, and connecting cap is detachably connected with valve cover, and the valve body is axially limited between connecting cap and valve cover, valve cover is equipped with valve cover through -hole, and the valve body is equipped with valve body passageway, and through the rotation of valve cover relative to valve body, makes valve cover through -hole intercommunication to open corresponding valve body passageway, or staggered to close corresponding valve body passageway. Valve cover and connecting cap can be axially limited to valve body, can effectively avoid the axial movement of valve body relative to valve cover, through the rotation between valve cover and valve body, can realize the on-off of connecting end, is convenient for operating, guarantees that connecting end can normally complete on-off function, simultaneously, connecting cap and valve cover set up in the outside of valve body, and the assembly relation is simple, when needing connecting end maintenance, can directly dismantle connecting cap, valve cover in the outside of valve body, and the maintenance is convenient.

The utility model relates to an electrical quick-change connector of a disc-type battery system for electric engineering machinery, and belongs to the technical field of engineering machinery. Comprising a first switching disc and a second switching disc which are arranged in a matched mode, the first switching disc and the second switching disc are connected through a fixing shaft, the first switching disc is provided with a plurality of front-end switching ports, and the second switching disc is provided with a plurality of rear-end switching terminals. When the first adapter disc and the second adapter disc are attached, the plurality of front-end adapter ports and the plurality of rear-end adapter terminals are correspondingly attached, connected and conducted. A plurality of front-end switching interfaces are integrally connected to a first switching disc, a plurality of rear-end switching terminals are integrally connected to a second switching disc, and whether the first switching disc and the second switching disc are attached or not is adjusted through rapid rotation, so that on-off of an overall circuit is achieved, rapidness and convenience are achieved, multiple sets of wire harnesses are disassembled at the same time, and the disassembly efficiency is improved. And the requirements of electric engineering equipment can be well met.

The present invention discloses a water inlet filter screen sewage discharge structure and a shower, wherein the water inlet filter screen sewage discharge structure mainly comprises a shell, a filter screen, a water outlet valve and a switching component, a first chamber and a second chamber are provided in the shell, and the switching component switches the connection between the water inlet path and the first chamber or the second chamber by axial movement in the shell, thereby realizing the backwash sewage discharge operation of the filter screen by switching the water path; the backwash sewage removal of the filter screen can be realized by simply pressing and driving the switching component, and there is no need to disassemble the faucet structure. The overall sewage discharge structure is simple, easy to use, and has high sewage discharge efficiency.

The utility model discloses a device for measuring the content of carbonate in soil. The device comprises a magnetic stirrer; the reaction bottle is arranged on the magnetic stirrer, and a bottle opening of the reaction bottle is plugged with a first rubber plug; a liquid outlet pipe on the separating funnel extends into the reaction bottle through the first rubber plug, and a liquid outlet valve is arranged on the liquid outlet pipe; the pressure gauge is connected with a detection tube, and the detection tube extends into the reaction bottle through the first rubber plug; one end of the air outlet assembly extends into the reaction bottle through the first rubber plug, the other end of the air outlet assembly is arranged outside the reaction bottle, and an air outlet switch is arranged on the air outlet assembly; the interior of the titration absorption bottle is communicated with the other end of the gas outlet assembly, and a titration liquid dropping pipe is arranged at the top end of the titration absorption bottle. The pressure gauge in the device can monitor whether the reaction solution in the reaction bottle is completely reacted or not, so that the measurement accuracy is improved, methanol which is a non-aqueous solvent is used as a titration solution, the acidity of the solution in the titration absorption bottle is greatly enhanced, and acid-base titration can be directly carried out.

The utility model discloses a kind of based on quick circuit breaker transformer closing rush current management device, belong to closing rush current management technical field, including transformer, circuit breaking component, voltage transformer A, voltage transformer B and current transformer, the circuit breaking component incoming line end is connected with outer net, the circuit breaking component outgoing line end is connected with the incoming line end of transformer.This based on quick circuit breaker transformer closing rush current management device, by voltage transformer B, current transformer cooperation measurement module, the voltage and current signal of load end are measured, cooperate programmable logic device, the residual magnetism of transformer is calculated, cooperate controller, the on-off of circuit breaking unit is realized, compared with existing device, avoid the influence of residual magnetism when secondary closing, so that the problem that the voltage and the magnetic field of core are no longer completely synchronous, improve the management effect to rush current.

The utility model relates to an electric drive bridge, it has main drive motor module, speed reducer assembly and differential assembly, speed reducer assembly has intermediate shaft assembly, output shaft assembly and first gear shift mechanism, second gear shift mechanism, the torque of main drive motor module can pass through intermediate shaft assembly and output shaft assembly and transmit to differential, main drive motor module includes main drive motor, main drive first driving gear, main drive second driving gear and main drive module gear shift mechanism, main drive module gear shift mechanism can realize the transmission torque's connection of the output shaft of main drive motor and main drive first driving gear or main drive second driving gear, output shaft assembly includes planetary gear reduction device, output shaft driven gear and differential input gear, the planet carrier of planetary gear reduction device is connected in transmission torque with differential housing, differential input gear is connected in transmission torque with differential housing through differential input shaft and differential housing. The utility model relates to an electric truck with the electric drive bridge.

This utility model discloses a discharge device, including a base and a discharge rod that can move up and down inside the base. A drive assembly is connected to the lower inclined surface of the base, and the output end of the drive assembly is connected to the lower outer wall of the discharge rod for driving the discharge rod to move up and down. A cover plate is connected to the upper end of the discharge rod, and the cover plate is used to block the feed inlet of the base. The drive assembly drives the discharge rod to move up and down to achieve the opening and closing of material discharge. The drive assembly includes two support members and two drivers. The two support members are respectively connected to two inclined surfaces at the lower end of the base, and each of the two support members is connected to a fixed end of one of the drivers. The purpose of this utility model is to overcome the shortcomings of existing discharge devices and provide a discharge device that solves the problem of uneven material mixing and dead zones in powder circulating mixing equipment, thereby improving product quality.

The invention relates to an apparatus and a system for controlling a pressure control valve. The pressure control valve is arranged on a gas supply main pipe between a nuclear power conventional island and a gas supply source, the device comprises a pressure detection module, an electromagnetic valve and a remote control end in communication connection with the pressure detection module and the electromagnetic valve, the electromagnetic valve comprises a first valve port, a second valve port and a third valve port, the first valve port is used for being connected with the gas supply source, and the second valve port is used for being connected with the gas supply source. The second valve port is connected with a pressure control valve. And the pressure detection module is used for detecting the actual pressure value of the gas supply mother pipe and transmitting the actual pressure value to the remote control end. And the remote control end is used for controlling the electromagnetic valve to conduct the corresponding valve port according to the comparison result of the actual pressure value and the preset low-pressure alarm value so as to adjust the opening and closing of the pressure control valve by controlling the gas flow direction. Gas path control is optimized, a single fault point can be effectively eliminated, the structure is simple, and reliability is high.