30results about How to "Drop achieved" patented technology

The invention discloses a voltage drop control method and device. The voltage drop control method comprises the steps that the initial state of a voltage drop generator is set in this way: a switch K1 in parallel connection is in a closed state, and a switch K2 in series connection is in a disconnected state; the switch K1 in parallel connection and the switch K2 in series connection in corresponding circuits are respectively controlled to be closed or disconnected according to a control command, so that partial drop, full drop, partial recovery and full recovery of a network voltage are realized in sequence; through control over three-phase parallel connection between the voltage drop generator and the K1 and three-phase series connection between the voltage drop generator and the switch K2, the switch K1 and the switch K2 are closed or disconnected according to the control command at preset time. Therefore, step-by-step drop and step-by-step recovery of the network voltage are realized, and an overvoltage or overcurrent phenomenon caused by simultaneous action of the two switches can be effectively avoided.

The invention relates to a cylindrical lithium ion battery transferring and clamping device and a battery transferring and clamping technology. The cylindrical lithium ion battery transferring and clamping device comprises a bottom plate, an adjusting mechanism, a clamping mechanism and an auxiliary mechanism. The adjusting mechanism is installed on the bottom plate. The clamping mechanism is installed at the lower end of the adjusting mechanism. The auxiliary mechanism is installed on the side wall of the clamping mechanism. The adjusting mechanism comprises a supporting seat, a rotating motor, a rotating plate, a supporting frame, a telescopic adjusting frame, a supporting rod and a lifting air cylinder. The clamping mechanism comprises an installation cylinder, a sleeve, an adjusting rod, a rack, an installation plate, an adjusting air cylinder, a connecting ring, a guide rail, a pressing plate and a buffering spring. By means of the cylindrical lithium ion battery transferring andclamping device and the battery transferring and clamping technology, the problems that the use range is small, adjusting is not convenient, a battery is likely to fall, clamping is not synchronous, and the work cost is high in the current cylindrical lithium ion battery transferring process can be solved; an automatic clamping function can be achieved on cylindrical lithium ion batteries; and thebeneficial effects that batteries are not likely to fall, clamping can be synchronous, and the work cost is saved are achieved.

The invention provides a weightless chip tin remover which comprises a device body, wherein the device body comprises a control console; a heating plate is arranged at the top of the control console;a heater is arranged in the heating plate; a first supporting plate and a second supporting plate are arranged at the top of the heating plate; the first supporting plate is positioned on one side ofthe heating plate; the second supporting plate is positioned on the other side of the heating plate; and a recovery box is arranged between the first supporting plate and the second supporting plate.The weightless chip tin remover provided by the invention has the beneficial effects that an adsorption table and a chip carrier plate are turned over through a driving motor, so that chips in the chip carrier plate can get close to the heating surface of the heating plate and can be heated by the heater according to the preset temperature, original soldering tin on the surfaces of the chips can be molten to achieve the liquid state, as well as the soldering tin in the liquid state can be separated from the surfaces of the chips under the action of weightlessness and then can drop into the recovery box below the chips; accordingly, the low loss of the soldering tin and the high recovery rate can be achieved; and the chips in batch can be subjected to tin removal and the high tin removal efficiency can be achieved.

The invention provides a pennisetum sinese planting machine which comprises a feeding mechanism, a seed discharging mechanism and a steering mechanism; the feeding mechanism comprises a seed box and a seed box moving mechanism, the seed box is provided with a plurality of partition plates, and the distance between adjacent partition plates is matched with the width of pennisetum sinese seed seedlings; the seed box moving mechanism drives the seed box to move in a reciprocating manner along a front-rear direction of the planting machine; the seed discharging mechanism comprises a seed discharging roller and a seed discharging motor, the seed discharging motor drives the seed discharging roller to rotate, and the seed discharging roller and the partition plates are all arranged perpendicular to the front-rear direction of the planting machine; the upper end of the steering mechanism is in butt joint with an outlet of the seed discharging roller, and the steering mechanism is used for making the direction of the pennisetum sinese seed seedlings falling from the seed discharging roller to rotate 90 DEG. The partition plates on the seed box are arranged perpendicular to the front-rear direction of the planting machine, and at the same time, the steering mechanism is arranged under the seed discharging mechanism, so automatic steering of the pennisetum sinese seed seedlings is achieved, the pennisetum sinese planting machine width and size are small, and the structure is flexible.

The invention discloses a bridge anti-falling object net capable of automatically cleaning fallen leaves and garbage. The net structurally comprises a vertical support, a blocking net, a triangular reinforcing frame, a screw rod and a falling object sucking and collecting device. The blocking net is arranged between the two vertical supports and fixedly connected with the vertical supports in a clamping mode, the triangular reinforcing frame is arranged below the vertical supports and is of an integrally-formed structure, the screw penetrates through the front surface and the rear surface of the triangular reinforcing frame and is connected with a bridge screw, and the falling object sucking and collecting device is arranged below the rear portion of the triangular reinforcing frame and connected with the triangular reinforcing frame through electric welding. Through arranging the fallen object suction and collection device, through methods of sucking, chopping and sucking, greening plants planted on the bridge or fallen leaves, falling on the anti-falling object net, of vegetation on the two sides of the bridge are collected and cleaned. Fallen leaves are prevented from rotting and corroding the iron net after being exposed to wind and sun on the anti-falling object net, the blocking effect of the anti-falling object net is guaranteed. Meanwhile, the fallen leaves are prevented from falling off due to corrosion, bridge falling object prevention is achieved, and safety under a bridge is guaranteed.

The invention discloses a municipal engineering material integrated machining device with an automatic feeding and discharging structure, and relates to the technical field of steel making furnaces. The device specifically comprises a steel making furnace and a multi-station mold assembly. Supporting columns are connected to the periphery of the outer wall of the steel making furnace. The bottom of the surface of the steel making furnace is connected with a discharging pipe. A vibration plate is connected to the tail end of each spring column. A vibration motor is fixed to the side face of each vibration plate. The multi-station mold assembly is arranged in a first mounting groove. Bottom plates are fixed to the bottom ends of fixed supports and the bottom ends of the supporting columns. According to the municipal engineering material integrated machining device with the automatic feeding and discharging structure, automatic feeding is achieved through a feeding conveying belt, multiple mold bodies are arranged, the mold bodies are driven by a rotating motor to rotate, new mold bodies rotate to the position below the discharging pipe to receive injected materials, and the yield canbe increased easily; and the mold bodies are driven through a servo motor to rotate so that the front faces of the mold bodies can be downward, steel naturally falls down due to the influence of gravity, and therefore automatic discharging is achieved.

The invention discloses an automatic-control ash removal device for a boiler in a thermal power plant. The automatic-control ash removal device for the boiler in the thermal power plant comprises a boiler body. A hearth is arranged at the bottom of the boiler body. A combustion storage plate is arranged at the bottom of the hearth. A plurality of through holes are formed in the combustion storageplate. A base is arranged on one side of the boiler body. A cavity is formed in the base and communicates with the hearth through the through holes. A discharge outlet is formed in the bottom of the base. Fixed plates are fixedly arranged on the two sides of the discharge outlet. A movable plate is arranged on one side of each fixed plate. One side of each movable plate is movably connected with the corresponding fixed plate through a rotary shaft. A pressure sensor is arranged on one side of each movable plate. The automatic-control ash removal device for the boiler in the thermal power planthas the beneficial effects that the structure is simple, operation is convenient, and ash can be discharged automatically and does not need to be manually removed; and meanwhile, the influence of ashaccumulation on the combustion of combustible substances is avoided, the ash can be removed more conveniently, and normal combustion of the combustible substances in the hearth is guaranteed.

The invention belongs to the field of energy recovery, particularly relates to a device for recovering friction self-excited vibration energy, and aims at the problems that, in the prior art, additional devices on the surface of the mechanical structure of a device for recovering the friction self-excited vibration energy may interfere with the movement of the mechanical structure, a piezoelectricmaterial is exposed outside, violent vibration may cause the piezoelectric material or a lead to fall off, and a traditional cantilever beam energy recovery mode is low in conversion efficiency is solved. The device for recovering friction self-excited vibration energy comprises a brake block mechanism, the brake block mechanism comprises a clamp and a layered structure, the layered structure sequentially comprises an upper damping layer, a piezoelectric material, a lower damping layer and a brake block from top to bottom, the clamp is provided with a groove, the groove is matched with the layered structure in plane size, the layered structure is installed in the groove, and the piezoelectric material is provided with two electrodes. The device is suitable for recovering vibration energy.

The invention relates to the technical field of tea planting, in particular to an automatic tea picking device. The automatic tea picking device comprises a box body, openings are formed in the two ends of the box body, a picking mechanism is arranged in the box body, one end of the box body communicates with a collecting bag, an interlayer is arranged at the bottom of the collecting bag, and an inflation mechanism is further arranged in the box body and communicates with the interlayer. The tea picking device disclosed by the invention can solve the problem that a collecting bag cannot movedsmoothly when an existing tea picker picks tea leaves.

The invention relates to the technical field of papermaking, in particular to a production system of bamboo pulp bleached instant paper. The production system comprises a feeding mechanism and a cutting mechanism, wherein the feeding mechanism comprises a storage table and a discharging plate which is obliquely arranged, the storage table is connected with the high end of the discharging plate, the low end of the discharging plate faces the cutting mechanism, a discharging assembly is arranged at the joint of the storage table and the discharging plate, the discharging assembly releases one paper drum at a time, the discharging assembly comprises a baffle which is vertically arranged at the high end of the discharging plate in a sliding mode and a pressing plate which is vertically arranged above the storage table in a sliding mode, the distance between the baffle and the pressing plate is equal to the diameter of each paper drum, a pressing roller is rotationally arranged at the bottom end of the pressing plate, the baffle is connected with a discharging air cylinder, a driving rack is fixed on the baffle, a driven rack is fixed on the pressing plate, and a gear is meshed between the driving rack and the driven rack. According to the production system, the paper drums are automatically conveyed to the cutting mechanism one by one by adopting the feeding mechanism, and are cut by the cutting mechanism, so that automatic feeding and automatic cutting are realized, and the cutting efficiency of roll paper is effectively improved.

The invention relates to the technical field of steel plate hoisting machinery, in particular to a novel mechanical device for hoisting and transferring steel plates, which comprises a cross beam, a suspension mechanism connected with a crane hook is mounted on the cross beam, a protection mechanism is mounted on the suspension mechanism, and three groups of adsorption mechanisms for adsorbing the steel plates are equidistantly mounted on the cross beam. A driving mechanism is installed on the three sets of adsorption mechanisms, three sets of cleaning mechanisms for cleaning the bottoms of the adsorption mechanisms are installed on the driving mechanism, and storage mechanisms for storing sundries are arranged on the cleaning mechanisms; the cleaning mechanism is arranged on the adsorption mechanism, and before the adsorption mechanism adsorbs the steel plate, the driving mechanism drives the cleaning mechanism to rotate, so that the cleaning mechanism cleans sundries at the bottom of the adsorption mechanism, the situation that the adsorption effect is reduced due to the fact that a gap exists between the adsorption mechanism and the steel plate is avoided, and stable carrying of the steel plate is facilitated.

The invention discloses a probiotic embedded particle preparation and packaging system based on the Internet of Things, the system comprises a cylinder, a preparation device arranged above the cylinder and a packaging device arranged in the cylinder, the preparation device comprises a screening device and a stirring device, a discharge valve located at the bottom of the stirring device is arranged right above an inlet of the screening device, the packaging device comprises a medicine plate unreeling cylinder, a medicine plate heating device, a capsule cavity forming device, a cover film heat sealing device and a reeling device which are sequentially arranged in the cylinder body from left to right, a cover film unreeling mechanism is arranged between the cover film heat sealing device and a discharging pipe of the screening device, and the capsule cavity forming device is arranged on the left side of the discharging pipe, one end of the medicine plate unreeling cylinder is rotationally mounted on the side wall of the cylinder body, and a plurality of circles of medicine plates are wound on the medicine plate unreeling cylinder. The system has the beneficial effects that the structure is compact, the production efficiency of the probiotic embedded particles is improved, the production cost of the probiotic embedded particles is saved, the working intensity of workers is relieved, and the automation degree is high.

The invention discloses a fresh ginger harvester, and relates to the technical field of agricultural machinery. The fresh ginger harvester comprises a frame, traveling devices, power device and a ginger discharging device, the traveling devices are positioned on two sides of the frame, the power device is mounted on the frame and provides power for the traveling devices and the ginger discharging device, and the ginger discharging device comprises a repeatedly harvesting mechanism, a soil digging mechanism and ginger drawing mechanism. The fresh ginger harvester has the advantages that the ginger discharging device is obliquely arranged along the traveling direction, fresh ginger does not easily fractured in a drawing manner and can be orderly placed, a plowshare cutter drives a repeatedly harvesting cutter to work, and falling fresh ginger can be picked out.

The invention relates to the field of teaching, in particular to a probability demonstration device. The probability demonstration device comprises a base, a coin storage unit, a coin insertion unit and a coin receiving unit, wherein the coin inserting unit comprises a launching barrel, an overturning cavity and a discharging barrel; the launching barrel and the discharging barrel are both communicated with the overturning cavity; an arc-shaped barrel is connected between the launching barrel and the overturning cavity; a push plate is slidably connected into the launching barrel; a first pressure spring is connected between the end, away from the overturning cavity, of the launching barrel and the push plate; a pull rod is fixedly connected to the push plate; the end, away from the push plate, of the pull rod is located on the outer side of the launching barrel and fixedly connected with a first magnet; a second magnet intermittently attracting the first magnet is arranged on the base; and the end part of the discharging barrel is opposite to the coin receiving unit. According to the probability demonstration device, automatic throwing of coins is realized.

The invention discloses a special car for angle steel cleaning. The special car comprises two adjacent supporting plates, the same supporting part is fixedly mounted on the sides, close to each other,of the two supporting plates, a motor fixedly mounted on one side of one supporting plate is arranged below the supporting part, a rotating shaft is fixedly mounted on an output shaft of the motor through a coupling, and one end, away from the motor, of the rotating shaft is rotationally mounted on one side of the other supporting plate. The special car for the angle steel cleaning is simple to operate, the used angle steel is placed on the supporting part, the motor starts to drive an impact rod to impact the supporting part, then the angle steel is made to vibrate, concrete on the angle steel falls on an iron box, meanwhile, the motor drives a cleaning block to move back and forth to push the concrete on the iron box into a collecting barrel, the scattered concrete can be concentrated for removal, the ground is not prone to getting messy, besides, concrete setting on the angle steel due to the fact that the angle steel is not cleaned for a long time is avoided, working efficiency ofa worker is improved, and use demands of people are met.

The invention relates to the technical field of powder spraying machines, and provides a glass powder spraying machine which comprises a rack and a powder box, a powder spraying device and a chain plate conveying belt which are sequentially mounted on the rack from top to bottom, and further comprises a vacuum suction cup movably arranged on a chain of the chain plate conveying belt. The acting face of the vacuum suction cup is flush with the conveying face of the chain plate conveying belt, the negative pressure device is arranged on a chain of the chain plate conveying belt and connected with the vacuum suction cup, the spring switch is provided with a first acting face and a second acting face and installed on the vacuum suction cup, and the two baffles are arranged at the two ends of the lower conveying face of the chain plate conveying belt respectively. After the vacuum suction cup moves along with the chain plate conveying belt, the first acting face abuts against one baffle so that the spring switch can be turned off, and the second acting face abuts against the other baffle so that the spring switch can be turned on. By means of the technical scheme, the problem that in the prior art, a powder spraying machine cannot stably achieve double-face spraying of glass is solved.

The invention belongs to the technical field of cement treatment and particularly relates to a bag opening device applied to agglomerated cement. The bag opening device comprises a main body supporting base frame, wherein a cement bag opening base box is arranged in the main body supporting base frame; four corners of the cement bag opening base box are fixedly connected with the inner wall of the main body supporting base frame; a conical discharging cylinder is fixedly mounted at the bottom end of the cement bag opening base box; a box cover is mounted on the surface of the left side of the cement bag opening base box through a hinge; a third motor drives a first annular material guide plate to rotate through transmission; meanwhile, a fourth motor drives a blade to rotate; when cement follows the first annular material guide plate at a constant speed; an annular insertion rod can puncture the top of the cement; the blade can achieve bag opening of the bottom of the cement between the first annular material guide plate and a second annular material guide plate; the cement after bag opening falls off through the conical discharging cylinder, so that the bag opening operation of the agglomerated cement is realized; and the problem that the current cement bag opening device on the market is difficultly applied to the agglomerated cement is effectively solved.