325results about How to "Avoid the impact of normal work" patented technology

The invention discloses a method and a device for segmenting a code block. The method comprises the following steps: determining a reference information packet length of the code block according to acquired relevant segmentation parameters; determining a maximum information packet length according to the reference information packet length and hardware parameters; and segmenting a transmission block greater than the maximum information packet length into two or more code blocks according to the acquired relevant segmentation parameters, the hardware parameters and the determined maximum information packet length, wherein the information length after the code block is segmented is less than the determined maximum information packet length. According to the method disclosed by the invention, the maximum information packet length for segmenting the code block is determined by the acquired relevant segmentation parameters to segment the code block, thereby shortening the time delay of a system brought by the segmentation of the code block, avoiding the influence of the time delay generated by the segmentation of the code block on the work of the system and improving the performance of the system.

The invention discloses an intelligent classification garbage can. The intelligent classification garbage can comprises a can body, an infrared detector, a micro camera, a single-chip microcomputer and a cloud server; the can body is provided with a garbage feeding port; a garbage allocating device and sub can boxes are arranged in the can body; the garbage allocating device comprises a main motor, a first baffle plate, a second motor and an extension baffle plate; the infrared detector is arranged in the garbage feeding port, and is used for scanning the garbage feeding port in real time; themicro camera shoots garbage fed in the can body; the cloud server identifies the garbage according to image files, and returns the identifying result to the single-chip microcomputer; and an allocating control module controls cooperative work of the main motor and the second motor according to the feedback result. The intelligent classification garbage can achieves multiple functions of automaticclassification of the garbage, prevention of the overflowing phenomenon of the garbage can, prevention of the influence on the work of a system due to power failure, automatic fire extinguishing in the can body, fault self-inspection, environmental-protection checking, green self-service and data acquisition.

The invention discloses a TD-SCDMA / TD-LTE downlink shielding device and a design method thereof, and belongs to the field of mobile communications. The shielding device comprises a receiving unit, a synchronizing signal conversion unit, a synchronizing signal analysis unit, an interference signal generating unit, an interference signal enhancing unit, a gain adjusting unit, a digital control center, a monitoring unit and an emitting unit, wherein the receiving unit, the synchronizing signal conversion unit and the synchronizing signal analysis unit are connected in sequence; the synchronizing signal analysis unit, the monitoring unit, the interference signal generating unit and the gain adjusting unit are all connected with the digital control center; and the interference signal generating unit, the interference signal enhancing unit and the emitting unit are connected in sequence. The invention further discloses a design method of the TD-SCDMA / TD-LTE downlink shielding device. The shielding device and the design method make the best of time slot characteristics of the TD-SCDMA / TD-LTE network to interfere for different time slots, interfere in the downlink time slot, and avoid the condition that the interference from the downlink shielding device in the uplink signal of a base station results in influencing the normal operation of the base station, and the downlink interference signal strength is controllable, and the interference range is controllable.

The invention provides automatic underwater welding maintenance equipment comprising a spindle. Two air-bag supports are symmetrically arranged at two ends of the spindle and respectively provided with an air bag, a welding space is formed between the air-bag supports, a barrel capable of axially moving is arranged in the welding space, an air inlet pipe and a drainage pipe are arranged on the barrel, the drainage pipe is communicated with the welding space and a drainage space on the outer side of the air-bag supports, and a welding device is arranged in the barrel. Due to the fact that the welding space is isolated through the air bags, and water in the welding space is discharged under the action of the air inlet pipe and the drainage pipe, a partially-dried type working environment is established; welding seams are repaired through the welding device by which affect of a water environment upon operation of parts is effectively avoided, risk of the parts being subjected to radioactive contamination is lowered, and stability of a welding process and repairing quality of the welding seams are guaranteed.

The invention discloses a multi-power cell and time distribution electrifying system of an FPGA configuration memory array. A memory cell of the FPGA configuration memory array is divided into a plurality of regions, the regions are sequentially electrified one by one, and therefore the electrifying surge current problem of a large-scale single-particle reinforcing SRAM type FPGA is effectively solved. When the FPGA is electrified, the regions are sequentially electrified through an electrifying control circuit, and therefore an electrifying peak current is decreased. The voltages outputted by all electrifying sub-circuits to the memory cell regions are simultaneously connected to an overall network in parallel, therefore, the voltages of all the memory cell regions of a whole FPGA chip are same, and the consistency is guaranteed. According to the multi-power cell and time distribution electrifying system of the FPGA configuration memory array, the electrifying surge current can be effectively eliminated, and meanwhile scale independence between the electrifying current and the FPGA is achieved by dividing the FPGA into multiple regions.

The invention relates to a composite board automatic gluing device. The device comprises a bottom plate, a mounting rack, a stacking device and a gluing device; the mounting rack is installed on the bottom plate, sliding chutes are formed in the mounting rack, the gluing device is installed in the sliding chutes, and the stacking device is installed at the lower end of the gluing device; the stacking device is installed on the bottom plate, and the stacking device comprises a linear guide rail, a limiting mechanism and a supporting mechanism; the gluing device comprises a glue discharging mechanism and a leveling mechanism; and the leveling mechanism comprises sliding blocks, sliding rods, a transverse plate, a telescopic leveling frame, a fixed supporting plate, an adjusting length air cylinder, a connecting ring and a driving branched chain. According to the composite board automatic gluing device, the problems that board codes are not even, gluing are non-uniform, glue is easy to waste, the adjustability is poor and the like in an existing composite board gluing process are solved; and the function of automatically gluing the composite board can be achieved, and the device has the advantages of being neat in stacking, uniform in gluing, not easy to waste glue, and flexible to adjust.

The invention discloses a ground flattening device for a construction site. The ground flattening device for the construction site comprises a bottom plate, wherein the outer walls of two sides of thebottom plate are separately rotatably connected with moving wheels; a semi-arc groove is formed in the position, which is close to the middle, of the outer wall of the bottom of the bottom plate; theinner walls of the two sides of the semi-arc groove are separately rotatably connected with rotating rods; a grinding roll sleeves the outer wall of each rotating rod; a hydraulic rod is arranged atthe position, which is close to the middle, of the outer wall of the bottom of the bottom plate; a scraping knife is arranged on the outer wall of the bottom of the hydraulic rod; a fixing plate is arranged on one side of the outer wall of the top of the bottom plate; a rectangular opening is formed in the outer wall of one side of the fixing plate; and a cavity is formed in the fixing plate. Thecircumstance that pressing marks remain on the ground when a flattening plate is used for flattening the ground can be prevented, meanwhile, the force of friction between the flattening plate and theground can be reduced, the circumstance that concrete is dry and caked due to water loss of the concrete after the concrete is stored for a long time can be prevented, and the circumstances that the flowing speed of the concrete is over high, excessive concrete is discharged, and thus flattening of the device to the ground is affected can also be prevented.

The invention discloses a new energy automobile engine mounting adjusting bracket convenient to adjust angle. The new energy automobile engine mounting adjusting bracket convenient to adjust angle comprises a mounting box; a first bearing is arranged at the top end of the mounting box; a first rotating shaft is fixed on the first bearing; a first bevel gear is fixed on the first rotating shaft; asecond bevel gear is connected to the first bevel gear in a transmission manner; the second bevel gear is fixed on a second rotating shaft; a worm is fixed in the middle of the second rotating shaft;a worm wheel is connected to one side of the worm in a transmission manner; the worm wheel is fixed on a connecting shaft; an engine mounting platform is fixed at the end part of one end, far away from the worm wheel, of the connecting shaft; the engine mounting platform is positioned in a groove; the groove is formed in the middle of the top end of the mounting box; and a shock absorbing mechanism is arranged at the lower end of the mounting box. Through adoption of the new energy automobile engine mounting adjusting bracket convenient to adjust angle, angle adjusting is realized during engine mounting, the structure is simple, the operation is easy, the adjusting is convenient, the angle adjusting accuracy is high, a shock absorbing effect on an engine is realized, and the service life is prolonged.

The invention discloses a belt conveyor transfer point closed dust controlling and dust removing system. The dust removing system comprises a closed dust controlling module, a dust adhesive dust suppression module and an atomized dust settling module, wherein the dust adhesive dust suppression module and the atomized dust settling module are located below the closed dust controlling module. The closed dust controlling module comprises an annular dust retardation air curtain generator connected with a pressure ventilation pipe. The dust adhesive dust suppression module comprises a dust adhesive solution transmission and distribution pipe connected with a water supply pipe I. The atomized dust settling module comprises a pressure water pipe connected with a water supply pipe II. In addition, the invention provides a method for conducting dust removing through the belt conveyor transfer point closed dust controlling and removing system. By the adoption of the belt conveyor transfer point closed dust controlling and removing system and the dust removing method, the problem that dust is diffused at a transfer point is solved, the dust removing efficiency is improved, influences on operation of a belt at the transfer point and inspection of workers are avoided, the situation that a dust generation area is disturbed by the external environment is avoided, and the dust generating amount can be reduced fundamentally.

The invention relates to a lithium ion power battery module. The lithium ion power battery module comprises a shell and a plurality of single lithium batteries having a same structure and packaged in the shell, all the single lithium batteries are electrically connected in series and parallel along a thickness direction, the shell is an integrated box type shell formed thorugh the die casting molding of aluminum and having an open upper end, a water circulating channel and an air channel are respectively arranged in a front side board and a rear side board of the shell, an upper end of the front side board is provided with a water inlet joint and a water outlet joint, front and rear surfaces of all the single lithium batteries are respectively bonded with a sheet type heat conductive silica gel, and external surfaces of the sheet type heat conductive silica gels respectively closely contact with inner surfaces of the front side board and the rear side board; and the module also comprises a signal acquisition circuit board, a control output circuit board, an insulation top cover and a control board. The module adopting the integrated box type shell has the advantages of simplified structure, convenient assembling, dust resistance, water resistance, safe and reliable use, and the like.

The invention provides a device for measuring the output displacement of a magnetostrictive actuator. The device comprises a laser position adjusting device, a high-speed laser displacement sensor, a power supply, a digital display and the magnetostrictive actuator. The device for measuring the output displacement of the magnetostrictive actuator has the outstanding characteristics as follows: non-contact high-precision measurement of the output displacement of the magnetostrictive actuator can be realized; longitudinal positions of laser points emitted by the high-speed laser displacement sensor are adjusted precisely through adjustment of the longitudinal position of a longitudinal slider in the laser position adjusting device; horizontal positions of laser points emitted by the high-speed laser displacement sensor are adjusted precisely through adjustment of the horizontal position of a horizontal slider in the laser position adjusting device; influence of vibration generated in a displacement outputting process of the magnetostrictive actuator and vibration generated in the external environment on the measurement precision is eliminated effectively.

The invention provides a hoisting tool for construction machinery equipment, and relates to the field of construction machinery. The hoisting tool comprises a base, wherein a rotating shaft is fixedlyarranged at the top of the base, and a rotating disc is fixedly arranged at the top of the rotating shaft; a stand pipe is fixedly arranged at the top of the rotating disc, a stand rod is arranged inside the vertical pipe, and a lead screw is arranged inside the stand rod; and first sliding grooves are formed in the two sides of the inner wall of the stand pipe, sliding moving blocks are fixedlyarranged on the two sides of the stand rod, the first sliding grooves are slidably connected with the sliding moving blocks through sliding blocks inside the first sliding grooves, and limiting blocksare arranged inside the first sliding grooves. According to the hoisting tool for the building machinery equipment, the lead screw can be driven to rotate through a first motor so that the stand rodcan be driven to adjust the height of a hoisting arm upwards; and a moving block is driven to adjust the transverse position on a threaded rod left and right through a second motor so that objects canbe hoisted more accurately, and time and labor are saved; and the hoisting tool is convenient to use, and the working efficiency is effectively improved.

The invention provides a noise monitoring, identifying and positioning method and system, and a computer readable storage medium. The method comprises the following steps: receiving noise signals detected by noise monitoring equipment arranged at different positions, transmission directions of the noise signals, and starting time information of the detected noise signals; for the two groups of noise signals detected in the same time period, calculating the sound similarity between the two groups of noise signals; when judging that the sound similarity reaches a set threshold, determining thatthe two belong to the same noise source; determining a target spatial position corresponding to a noise source by combining the spatial positions of the two noise monitoring devices which detect the two groups of noise signals and the transmission directions of the two groups of noise signals and utilizing a triangulation positioning principle. The noise source can be quickly recognized and positioned, the noise influence can be eliminated in time, and the influence on work, study and life of people is avoided.

The invention relates to a face recognition device for park search. The face recognition device comprises a main body, two brackets and four propellers, wherein the main body is internally provided with a PLC, a search mechanism and a cleaning mechanism, and the search mechanism comprises a lifting assembly, a first motor, a rotating plate and an adjustment assembly; the adjustment assembly comprises a second motor, a drive wheel, a connecting rod, a moving rod, an adjusting rod, a supporting rod, an annular tube, a supporting block and a camera, and the cleaning mechanism comprises a telescopic assembly and a swing assembly; and the swing assembly includes a third motor, a connecting rod, a swing rod, a nozzle and a fixing block. The face recognition device for park search can adjust therecognition angle of the camera through the search mechanism, the recognition range is expanded, dust on the camera can be removed by the cleaning mechanism, the situation that work of the camera is affected due to the fact that the the camera is covered by the dust is avoided, and the cleaning effect is improved.

The invention provides a high-efficiency and environment-friendly treatment equipment for waste water, and relates to the field of environment-friendly treatment equipment. The high-efficiency and environment-friendly treatment equipment for waste water comprises a base, wherein the left side of the top of the base is fixedly provided with a treatment chamber; the two sides of the top of the treatment chamber are fixedly provided with a water inlet pipe; one end of the water inlet pipe extends to the treatment chamber, and the top of the water inlet pipe is fixedly provided with a feeding hopper; the top of the treatment chamber is fixedly provided with a motor, and the inner part of the treatment chamber is provided with a stirring shaft; the rotating shaft of the motor penetrates throughthe top plate of the treatment chamber and is in transmission connection with the stirring shaft through a coupling. The high-efficiency and environment-friendly treatment equipment for waste water,through the filter layer, effectively removes metal impurities in the sewage, and improves the filtration efficiency of the subsequent treatment; through the filter device, the function of adsorbing and filtering and deodorizing the waste water can be carried out, and the purification efficiency of the waste water is greatly improved; through the deodorization device, the pungent odor generated inthe sewage can be removed through the deodorization device, the purification effect is improved, and the health of the human is effectively protected.

The invention aims at providing a wind driven generator for a ship. The wind driven generator comprises a wind turbine, a permanent magnet generator and a lifting rod, wherein the wind turbine is connected with a rotating shaft of the permanent magnet generator, so that a vertical wind generating set is formed, and the lifting rod supports the wind turbine and the permanent magnet generator and can be lifted up and down. The wind driven generator is simple and easy to realize on the ship, the offshore wind energy can be adequately used, so that the pollution to the sea when the ship uses the conventional energy can be reduced. In the case that a power device of the ship is broken, even the spare generating set, the emergency standby power, the storage battery and the like can not run normally, the lifting rod can be manually operated, so that the wind turbine or the small-size wind generating set can be lifted up to a preset height for generating electricity. Therefore, in the emergency case that the ship is lack of power, the electricity can be generated by the wind driven generator on the ship, so that that the influence to the normal work of a ship power system and an emergencyelectric equipment can be avoided, and the reliability and the life force of the ship power system can be enhanced.

The invention discloses a safe and anti-static multifunctional electric control cabinet, which comprises a cabinet body, wherein the front side of the cabinet body is movably connected with a cabinet door through a hinge; the front side of the cabinet door is fixedly connected with a pull ring; the bottom of the cabinet body is fixedly connected with a pad block; a dehumidification box and an air pump are respectively and fixedly arranged on the top of the cabinet body; the dehumidification box is positioned at the left side of the air pump; a chute is formed in the inner top wall of the dehumidification box; a first slide block and a second slide block are respectively and glidingly arranged inside the chute. The safe and anti-static multifunctional electric control cabinet has the advantages that a sealing pad is arranged at the back side of the cabinet door; a sealing clamp groove is formed in a position, corresponding to the sealing pad, of the front side of the cabinet body; the sealing pad is clamped and connected in the sealing clamp groove; when the cabinet door is closed, the sealing effect of the cabinet door and cabinet body connecting position can be enhanced through the clamp connection structure of the sealing pad and the sealing clamp groove; and the influence on the normal work of equipment in the electric cabinet is avoided.

The invention relates to an automatic feeding device and a synthetic particle preparation system. The automatic feeding device comprises a feeding hopper, a fixed support, a connection rod, a lifting mechanism, a pushing mechanism and a control module. The pushing mechanism is connected with the feeding hopper to drive the feeding hopper to be horizontally pushed. The controller is used for outputting a lifting control signal when a storage barrel discharges materials to drive the lifting mechanism to drive the connection rod to ascend, the feeding hopper is driven to be lifted from the initial position of the storage barrel to the position below a discharge port, and a push control signal is output to drive the pushing mechanism to push the feeding hopper to be pushed into a box for a preset distance. The control module is further used for outputting a recycle control signal when the storage barrel stops feeding to control the pushing mechanism to retract for a preset distance, a descend control signal is output to control the lifting mechanism to drive the connection rod to descend, and the feeding hopper is driven to be retracted to the initial position from the position below the discharge port. The automatic feeding device is simple and reliable in structure, automatic quick feeding can be achieved, and production efficiency is improved.

The invention relates to a composite wood board gluing machine. The composite wood board gluing machine comprises a bottom plate, an installing frame, a stacking device and a gluing device; the installing frame is installed on the bottom plate, and provided with a slide groove; the gluing device is installed in the slide groove, and the stacking device is arranged at the lower end of the gluing device, and installed on the bottom plate; the stacking device comprises a linear guide rail, a limiting mechanism, a supporting mechanism and a feeding mechanism; the gluing device comprises a glue outflow mechanism and a uniform smearing mechanism; and the uniform smearing mechanism comprises a sliding block, a sliding rod, a cross plate, a telescopic uniform smearing frame, a fixed supporting plate, a length adjusting cylinder, a connection ring and a driving branched chain. The composite wood board gluing machine can solve the problems that in the existing composite wood board gluing process, wood boards are stacked in disorder, gluing is not uniform, glue waste can be caused easily, and adjustability is poor, the function of performing automatic gluing on composite wood boards can be achieved, and the beneficial effects that stacking is in order, gluing is uniform, glue waste is not likely to be caused, and adjusting is flexible are achieved.

The invention discloses a key cap drawing force testing device for a thin keyboard. The key cap drawing force testing device comprises vacuum pumps, pressure relief three-way valves, an airtight container, vacuum on-off valves, flow dividers and a plurality of sucking disc air paths. Each sucking disc air path comprises a check valve and a sucking disc. The vacuum pumps are respectively connected with the ports A of the pressure relief three-way valves, the ports R of the pressure relief three-way valves are respectively connected with the atmosphere, the ports P of the pressure relief three-way valves are respectively connected with the vacuum pumping port of the airtight container, and the air suction port of the airtight container is connected with the sucking disc air paths sequentially through the vacuum on-off valves and the flow dividers. The key cap drawing force testing device for the thin keyboard provided by the invention has the advantages that the working of the entire device can be prevented from being influenced by air leakage of a single air path and the vacuum pumps can be protected at the same time.

The invention provides a mainboard, a backboard, an identification system and an identification method. The identification method comprises the following steps: acquiring and identifying hard disk port coding information by a PCH chip; enabling the PCH chip to configure the hard disk port coding information into address identification information; enabling the PCH chip to send the address identification information to a CPLD module through a mainboard connector and a backboard connector corresponding to the address identification information; and enabling the CPLD module to control the corresponding hard disk port working state lamp to act according to the address identification information. Therefore, the target hard disk can be accurately identified, and the specified hard disk working state lamp can be lighted up for identification. Misleading to use of a user and influencing work due to the fact that the hard disk working state lamp is not turned on accurately are avoided. And a dial switch is canceled in the connection process between the mainboard connector and the backboard connector, so the production efficiency is improved, the misoperation is reduced, and the maintenancecost is reduced. Product problems caused by wrong dialing due to misoperation are avoided.

The present invention discloses a self-cleaning solar power generation panel. A fixing support is fixed to the top of a water storage base, one side of the fixing support is fixedly connected with a control electric appliance cabinet, the inner side of the fixing support is rotationally connected with a rotating shaft through a bearing, and the side face of the rotating shaft is fixedly connected with a solar power generation panel and a rotating connecting base. A lifting device is fixedly connected to one side of the rotating connecting base, one side of the lifting device is slidably connected with the fixing support through a sliding block and a sliding rail, a cleaning mechanism is arranged below the solar power generation panel, and the side, away from the solar power generation panel, of the cleaning mechanism is fixedly connected with the water storage base through a telescopic device; a thermal induction resistor is arranged on one side of the control electric appliance cabinet, and a water pump is arranged in the water storage base. According to the self-cleaning solar power generation panel, the normal work of the solar power generation panel is not influenced, and the situation that the equipment is damaged and the equipment cost is increased due to the explosion of the solar power generation panel caused by temperature difference is prevented.

The invention discloses a fully variable electro-hydraulic valve system. The fully variable electro-hydraulic valve system comprises a sliding sleeve, a spiral shaft, a piston and a return spring; thesliding sleeve is fixed relative to an engine; the piston butts against a valve assembly; the spiral shaft is axially controlled by a cam surface of a camshaft; the spiral shaft is provided with a spiral groove and a blockage part; when the spiral groove communicates with a limiting oil hole, a sliding sleeve cavity communicates with a low-pressure oil way of the engine for pressure relief; a spiral shaft axial projection portion is arranged at a first end of the spiral shaft; a spiral shaft ejecting plane is arranged on the spiral shaft axial projection portion; a piston axial projection portion is arranged at the end, opposite to the spiral shaft, of the piston; and a piston ejecting plane is arranged at the head portion of the piston axial projection portion. The fully variable electro-hydraulic valve system solves the problem of influence on normal work of the system due to loss of machine oil in the sliding sleeve cavity, keeps the crankshaft rotating angle corresponding to the valve opening time invariable, and is particularly suitable for application to control of the variable travel of an intake valve of an engine in the scavenging process.

The invention discloses a material crusher capable of guaranteeing working efficiency. The material crusher capable of guaranteeing working efficiency comprises a box, a feeding opening and a base, wherein the top and the bottom of the box are respectively provided with the feeding opening and the base; a material crushing opening and a cleaning opening are respectively formed in the bottom of the box; a cleaning device is mounted at the bottom of the box and comprises a second engine; the second engine is connected with a second bearing, a third bearing and a fourth bearing through a first rotating wheel, a second rotating wheel and a third rotating wheel respectively; the second bearing, the third bearing and the fourth bearing respectively penetrate through a wood board and then are connected with a second rotating rod, a third rotating rod and a fourth rotating rod; and brushes are respectively arranged on the outer surface of the second rotating rod, the outer surface of the third rotating rod and the outer surface of the fourth rotating rod. The cleaning device is arranged on the right side of a crushing device of the crusher; during working of a crusher body, materials which are attached to a cuter can be cleaned, the circumstance that operation of the original crusher is affected by materials attached to a cutter is avoided, the working efficiency is improved, and the service life of the crusher is prolonged.

The invention relates to a strip steel wire drawing production line and an assembly-line wire drawing process thereof. The production line comprises a base plate, a material placing device, a guidingdevice and a wire drawing device; the material placing device and the guiding device are sequentially installed on the base plate from left to right, and the wire drawing device is arranged at the upper end of the guiding device and installed on the base plate; the material placing device comprises a material feeding mechanism and a material collecting mechanism, the wire drawing device comprisesa lifting frame, a rotary motor, a non-woven fabric roller brush, a vibration frame, a bump, a rotating shaft and a rotating motor, and the guiding device comprises a working table, a first mounting plate, positioning plates, a second mounting plate, pressing springs, extrusion frames, linear sliding rails, rotating shafts and pressing blocks. The strip steel wire drawing production line and the assembly-line wire drawing process thereof can solve the problems that in the strip steel wire drawing process, the surface of strip steel is uneven, the movement stability is poor, the use range is small, and the adjustability is poor, can achieve the function of automatic wire drawing on strip steel, and has the advantages that the flatness of the strip steel is high, the stability is high, the use range is wide, and the adjustment is flexible.

The invention relates to the field of feather drying equipment, in particular to a feather spin-drying device. According to the technical scheme, the feather spin-drying device comprises a spin-drying machine; the spin-drying machine comprises a spin-drying cavity and a driving cavity; a spin-drying barrel is arranged in the spin-drying cavity; a protective layer is arranged on the inner wall of the spin-drying barrel; water seepage holes are formed in the side wall of the spin-drying barrel; a water diversion disc is arranged at the bottom of the spin-drying barrel; the spin-drying cavity is provided with a sealing cover; the sealing cover is provided with a lug; a water shield is arranged in the spin-drying cavity and is provided with a bearing hole; a water outlet is formed in one side of the bottom of the spin-drying cavity; the water outlet is provided with a water outlet tube; the driving cavity is formed below the spin-drying cavity; a driving motor is arranged in the driving cavity and is provided with a bearing; and the bearing penetrates through the bearing hole to be connected with the bottom of the spin-drying barrel. The feather spin-drying device can quickly dry feather without damaging the feather or damaging equipment.

The invention provides a hatch cover with a concealed type hand-operated device and belongs to the field of ship equipment. The problem of inconvenience in entering or coming out of an existing hatch is solved. The hatch cover with the concealed type hand-operated device comprises a hatch defined by a front surrounding plate, a rear surrounding plate, a left surrounding plate and a right surrounding plate. The hatch cover further comprises a cover plate hinged to the top end of the rear surrounding plate through a hinged shaft and further comprises the hand-operated device. The hand-operated device comprises an arc-shaped hand-operated rod, the left surrounding plate is provided with an arc-shaped hole, the hole wall of the arc-shaped hole is deepened to be provided with a sliding hole, a blocking edge is formed at an orifice of the arc-shaped hole through the sliding hole, one end of the hand-operated rod is fixed to the bottom surface of the cover plate, the other end of the hand-operated rod is provided with a sliding block, and the sliding block is placed in the sliding hole and can cause the cover plate to cover the hatch around the hinged shaft, the whole hand-operated rod is placed in the arc-shaped hole, the cover plate can also be opened around the hinged shaft, and the sliding block is matched with the sliding hole to slide, so that the hand-operated rod extends out of the arc-shaped hole. Through the arrangement of the hand-operated rod, the hatch cover is convenient to use, and the influence of the hand-operated rod can be avoided on the conditions that the cover plate is closed.

The invention discloses a device for extracting and grinding wormwood. The device comprises a shell; a discharging port is formed on a middle position on the bottom of the shell; a feeding port is formed on the top of the shell; a first rotating shaft is arranged in the feeding port; multiple sets of smashing blades are arranged on the two sides of the first rotating shaft; a driven wheel is arranged on the bottom of the first rotating shaft; a driving wheel is arranged on one side of the driven wheel; the driving wheel is connected with the driven wheel through a belt; a second rotating shaftis penetrated through the middle of the driving wheel; the top of the second rotating shaft is penetrated through the shell and is connected with a first driving motor on one side of the top of the shell; a first filter screen is arranged on the inner top of the shell. The device disclosed by the invention has the beneficial effects of reasonable design, simple structure and convenience in use. Compared with the traditional extracting device, the device disclosed by the invention has the advantages that the sufficient grinding property is effectively promoted, so that the purifying rate can be effectively increased and the use ratio can be effectively increased.

The invention discloses a speaker module, which comprises a speaker component (3), a module shell and a front cover (4). The module shell is used for bearing the speaker component (3) and comprises a first shell (11) and a second shell (12), and a heat conducting filler (2) is filled in the first shell (11). The front cover is matched with the module shell to package the speaker component (3). According to the speaker module provided by the invention, the heat which is generated during working of the speaker component (3) can be quickly discharged through the module shell, so that overheating of the speaker component (3) is prevented, and thus the performance loss of the speaker due to high temperature is avoided.