194results about How to "Easy to control work" patented technology

A charge-discharge two-way power converter for a battery for an electric car adopts the structure that an input port (In) connected with a storage battery and an output port (Out) connected with a grid are mounted outside a main circuit; the main circuit is connected with a control circuit; the main circuit comprises a battery side filter circuit (1), a like-polarity bi-directional DC/DC converter (2), and a high-frequency isolation DC/DC circuit (3), a three-phase three-level circuit (4) and a grid side filter circuit (5) which are sequentially connected; and the control circuit comprises a DSP main controller (6), an MCU auxiliary controller (7) and an LCD or 485 communication circuit (8). According to the invention, the circuit adopts comparatively less elements, the intelligent degree is high, self detection and fault protection functions are provided, the equipment and operation costs are saved, the conversion efficiency is high, the working process is quick, stable, and controllable, the size is small, the dynamic property is good, and the purposes of environmental protection and energy conservation are achieved.

The invention provides an eye patch for relieving visual fatigue and belongs to the technical field of eye patches. The eye patch comprises a cover and Velcro fixing bands, multiple sandwiched layers I are arranged inside a cavity of the cover, heating pieces and medicine therapy bags are sequentially arranged in the direction of eyes of a human body inside the sandwiched layers I, a movable cover is arranged at the position, corresponding to the cavity, of the cover, a silica membrane is arranged on the face, making contact with the eyes, of the cover, protruding bubbles are arranged at the positions, corresponding to acupuncture points around the eyes, of the silica membrane, massage beads are arranged inside all the protruding bubbles and connected with a vibration motor which is connected with a power source, a temperature sensor and a microcontroller are arranged inside the cover, and the temperature sensor is sequentially connected with the microcontroller and the power source through wires. The compliableness and comfort level of the eye patch are improved, the effect of relieving visual fatigue is enhanced from the perspective of a short term and a long term, the good effects of relieving and treating visual fatigue are achieved through the combination of thermal therapy, medicine therapy and massage, safety is higher, structural design is reasonable, and using is convenient.

A double-barrel multi-chamber spring with an adjustable stroke comprises an outer tube and an inner tube. A chamber is formed between the inner wall of the outer tube and the outer wall of the inner tube. A first floating piston is arranged in the cavity for dividing the chamber into a first oil chamber and a first air chamber. A small separation piston is arranged between the outer wall of the hollow piston rod and the inner wall of the inner tube. The inner wall of the inner tube is divided into a second oil chamber, a third oil chamber and a second air chamber orderly by a floating control valve and the small separation piston. A fixed control valve is arranged in a back block for conducting or blocking the first oil chamber and the second oil chamber through an oil passage. The fixed control valve is controlled by an operation actuating lever extending out from the back block. The floating control valve can conduct the second oil chamber and the third oil chamber through the oil passage. The double-barrel multi-chamber spring with an adjustable stroke of the invention has the following beneficial effects that the operation of the gas spring of the invention can be controlled by the fixed control valve at the tail end of the spring, so that it only needs to open the control valve when the spring needs to stretch, and the spring has controllable operation and can stop at any position.

The invention discloses a booster type electronic control hydraulic bridge plug feeding tool. The tool comprises a motor barrel, a balance barrel, a hydraulic boosting system and a working cylinder, wherein the motor barrel, the balance barrel, the hydraulic boosting system and the working cylinder are sequentially connected from top to bottom. A motor is arranged in the motor barrel, an oil storage chamber and an oil pump are arranged in the balance barrel, and the oil pump and an output shaft of the motor are in drive connection. The hydraulic boosting system is used for increasing output pressure of the small-power oil pump to pressure required by setting of a bridge plug. The working cylinder acts on the bridge plug through a bridge plug connecting assembly, and setting is achieved. The working process is safe and reliable, the pressure of the working cylinder can quickly reach 50 MPa, the requirements for bridge plug installation setting force are quickly met, operation time is shot, and working efficiency is high. The tool can be pulled out of a well mouth along with an oil pipe after setting of the bridge plug, the hydraulic boosting system is controlled to reset and then can be reused, the service life is long, and maintenance work is simple. The working process of the hydraulic system is controllable, the magnitude of loads and the loading speed can be adjusted according to requirements, ground monitoring can be achieved, and the installation process of the bridge plug can be grasped in real time.

The invention belongs to the lifting field of wind-turbine blades, and discloses a lifting appliance device for installing wind-turbine blades, and an operation method. The lifting appliance device for installing the wind-turbine blades comprises a lifting rope, a main beam lifting frame, horizontal walking mechanisms and fixture devices. The lifting rope is connected onto a lifting ring of the main beam lifting frame. The main beam lifting frame is welded by adopting double-layer structural steel; and a diesel engine, an electrical cabinet, a hydraulic station and a walking hydraulic cylinderare arranged on the main beam lifting frame. The horizontal walking mechanisms are arranged at two ends of the length direction of the main beam lifting frame. The fixture devices are arranged underthe horizontal walking mechanisms. According to the lifting appliance device for installing the wind-turbine blades, and the operation method provided by the invention, double clamping mechanisms areadopted, so that the safety on lifting fan blades can be ensured; and the clamping span of the horizontal direction of two pairs of clamping hands can be dynamically adjusted according to the blade length. The lifting appliance device for installing the wind-turbine blades provided by the invention adopts full hydraulic drive so as to be high and stable in torque, high in environment adaptability,long in service life, and convenient to operate, and can realize the advantages of controllability, adjustability and high safety during work.

A method of integrity production and integrity sale at least comprises flowing steps: printing or pasting random, discontinuous and no-repeat codes on the outer package of an individual product, a strip product, a box product and a big box product; inputting product identification card codes into a product data base which covers the whole sale area; building a sale information record data base in a system; and building a pre-sales enquiry system and an after-sale enquiry system. Compared with the prior art, the method of integrity production and integrity sale enables each individual product, each strip product, each box product and each big box product to possess a unique product identification card code by printing or pasting random, discontinuous and no-repeat codes on the outer package of the individual product, the strip product, the box product and the big box product. Due to the building of the product data base, the method of integrity production and integrity sale enables a consumer to conveniently conduct pre-sale enquiry and after-sale enquiry, guarantees interest of the consumer and a regular manufacturer to the maximum extent and enables a quality supervision department to conveniently conduct work of cracking down on fake products, an association of consumers to conveniently conduct rights protection work and a price control authority to conveniently conduct regulating and controlling work.

The invention discloses a multifunctional vehicle for emergency disaster relief and drainage of stagnant water. The multifunctional vehicle comprises a carrier loader chassis as well as a driving cab and a carriage which are arranged on the chassis, wherein a backpack type hydraulic oil tank and a fire extinguisher are arranged in a gap between the driving cab and the carriage, and a chassis power take-off hydraulic power station connected with the hydraulic oil tank is arranged on the chassis; a power generation bin, an equipment bin and a tool bin are arranged in the carriage, a vehicle-mounted power generation unit and a hidden type vehicle-mounted lifting rotary illumination device are arranged in the power generation bin, a vehicle-mounted cantilever crane is arranged on one side of the tool bin, a hydraulic saw and a hydraulic pickaxe are arranged on the other side of the tool bin through a support, and a cable hoist, an integrated type vehicle-mounted cleaning machine and an extension ladder are hoisted at the bottom of the carriage. The multifunctional vehicle for emergency disaster relief and drainage of stagnant water integrates multiple functions through reasonable and compact layout design within a limited space range, the power generation unit is arranged at the front part of the carriage and in the position where the gravity center of the load of the whole vehicle is located, so that the transportation stability of the vehicle is effectively guaranteed, and the vehicle traveling safety is effectively guaranteed.

A slider-type multi-stage coupling parallel mechanism, which includes a fixed platform, a moving platform, a coupling platform, and three branch chains that are evenly distributed along the circumference and are respectively connected to the fixed platform, the coupling platform, and the moving platform, wherein the connection between the fixed platform and the coupling platform The first active rod in the three branch chains is connected with the fixed platform and one end of the first driven rod, the other end of the first driven rod is connected with the lower surface of the coupling platform, and the first connecting rod is connected with the first driven rod. The middle part is connected with the lower surface of the slide block on the coupling platform; the second active rod in the three branch chains connecting the coupling platform and the moving platform is connected with the upper surface of the coupling platform and one end of the second driven rod, and the second driven rod The other end of the rod is connected with the lower surface of the moving platform, and the second connecting rod is connected with the middle part of the second active rod and the upper surface of the slider. The invention increases the stretching ratio of the single or multi-stage coupled parallel mechanism, increases the working space, reduces the number of drive units, facilitates the control during work, and improves the rigidity of the mechanism.

The invention discloses a method for forming an external slide rail of a seat of an automobile, which comprises the following steps: (1) putting a workpiece which is already finished in the prior procedure and is to be processed into a special formation concave die; (2) inserting a formation mandrel into an internal cavity of the workpiece which is already finished in the prior procedure and is to be processed; (3) descending a convex die along with a slide block of a punch and punching a workpiece group which is integrally assembled by the workpiece to be processed, the formation mandrel, the concave die and the like, is placed on a support seat and is to be processed; (4) punching and forming the workpiece to be processed after positioning the convex die, wherein the punching shape of the workpiece to be processed is formed by the support of the formation mandrel and the concave die and the extrusion of the convex die; (5) pulling out the convex die; and (6) pulling out the formation mandrel and obtaining a finished product with finished processing. The invention also provides a formation mandrel, a concave die and a convex die which are used for the method. The key of the invention lies in that the formation mandrel is inserted into the workpiece to be processed, then punching processing is carried out, punching force can be completely loaded on the workpiece, and the full and accurate formation of the workpiece is ensured.

The invention relates to the field of engineering bionic technology, in particular to bionic sharkskin making use of a shape memory alloy artificial muscle longitudinally-injected drag reducer. The bionic sharkskin making use of the shape memory alloy artificial muscle longitudinally-injected drag reducer comprises a supporting base, a hardened conductive layer I, artificial muscle flexible units, a hardened conductive layer II, a shark scale imitation skin layer and a drag reducer longitudinal injection device, wherein each artificial muscle flexible unit comprises a shape memory alloy artificial muscle spring, a pulling head, a two-section electric heating rod and a connection conductive wire, and each shape memory alloy artificial muscle spring has a certain amount of supporting strength. Compared with the prior art, the bionic sharkskin making use of the shape memory alloy artificial muscle longitudinally-injected drag reducer has the advantages that by the adoption of the design of shape memory alloy artificial muscle, a micro mucus secreting mechanism of the sharkskin is simulated by means of the unique material characteristic that the double-trip memory effect is presented under the driving of transformation temperature of the shape memory alloy artificial muscle, the working mode and control method of injecting a micro amount of the drag reducer are more sensitive, controllable and reliable compared with existing means, service life is guaranteed effectively, and a beneficial example is provided for the engineering bionic technology, especially the bionic drag reduction skin manufacturing technology, in the aspect of structure and function bionics.

The invention discloses a raking and flattening plate of a micro cultivator. The raking and flattening plate comprises a main force rod, a connecting plate, a connecting rod, a fixing rod, a branch force rod and a flattening plate, wherein one end of the main force rod is fixedly connected with a mini-tiller; the other end of the main force rod is fixedly connected with the connecting rod in a movable manner; the connecting plate is arranged at the lower end of the connecting rod and fixedly connected with the fixing rod; the fixing rod is fixedly connected with the flattening plate; the branch force rod is arranged on the fixing rod; and one end of the branch force rod is fixedly connected with the middle of the connecting rod. The raking and flattening plate has the advantages as follows: the paddy field can be flattened, the water discharge depth can be conveniently controlled, the final-period management work can be conveniently carried out, and the yield of paddy rice can be increased.

The invention discloses a modern integrated manufacturing device based on process control. The modern integrated manufacturing device based on process control comprises a platform; the upper end faceof the platform is fixedly connected with a supporting table; the upper end face of the supporting table is fixedly connected with a conveying belt; the front side of the supporting table is providedwith a rotary block fixedly connected with the upper end face of the platform; a smashing box is fixedly connected to the left end wall of the rotary block; a smashing space is arranged inside the smashing box; a transmission space is arranged inside the right end wall of the smashing space; and the upper end face of the rotary block is fixedly connected with a lifting block. In work, a rotary motor is linked with a smashing shaft, the rotary motor controls rotation of the smashing shaft in real time, the function of the rotary motor is used in multiple stages, and through a lifting frame anda marking chip, subsequent extraction is facilitated, and the probability of errors is reduced.

The invention provides a hydraulic system for an overhead working truck. The hydraulic system for the overhead working truck comprises an oil tank and a hydraulic pump, wherein an oil inlet of the hydraulic pump is connected with the oil tank. The hydraulic system for the overhead working truck further comprises a lower supporting leg hydraulic system, an upper working device hydraulic system, anemergency lowering hydraulic system and an upper-lower selection valve, wherein an oil outlet of the hydraulic pump is connected with an oil inlet of the upper-lower selection valve, a first oil outlet of the upper-lower selection valve is connected with upper working device hydraulic system, and a second oil outlet of the upper-lower selection valve is connected with the lower supporting leg hydraulic system. The emergency lowering hydraulic system is connected with the upper working device hydraulic system. According to the hydraulic system for the overhead working truck, an automatic switching between the lower supporting leg hydraulic system and the upper working device hydraulic system is achieved through the upper-lower selection valve, therefore manual operation is avoided, manpoweris saved, and when the hydraulic system for the overhead working truck breaks down, the emergency lowering hydraulic system can be used for retracting an arm support.

Provided is a building with a fire-fighting and rescue function. A rope unwinding device is arranged at a set position above the building and comprises a rope winding barrel, a through inner hole for a rope to penetrate through is formed in the rope winding barrel, and the lower floor or the outside of the building can control the rope winding barrel to rotate.

The invention relates to a numerical control flat tube polisher which comprises a connecting plate, a supporting beam, a pneumatic polisher, a first driving mechanism, a second driving mechanism and a numerical control mechanism, wherein the supporting beam is connected to the connecting plate through a horizontal moving mechanism and can move on the connecting plate in a horizontal direction, the pneumatic polisher is connected to the supporting beam through a vertical moving mechanism and can move on the supporting beam in a vertical direction, the first driving mechanism drives the supporting beam to move in the horizontal direction, the second driving mechanism drives the pneumatic polisher to move in the vertical direction, and the numerical control mechanism controls the first driving mechanism and the second driving mechanism. The invention further relates to a polishing line assembly with the numerical control flat tube polishers. The polishing line assembly comprises a rack, a rolling wheel frame and two numerical control flat tube polishers, wherein the rolling wheel frame is arranged on the rack and used for bearing and conveying a flat tube, and the two numerical control flat tube polishers are arranged on the rack and arranged on the two end portions of the flat tube respectively. The numerical control flat tube polisher and the polishing line assembly with the numerical control polishers can achieve polishing of the coatings of the ends of the flat tube conveniently and efficiently, the working process and the working accuracy of the numerical control flat rube polisher and the polishing line assembly are easy to control, and high use and promotion value is achieved.

The invention relates to a method of credible production and credible sale. The method at least comprises the following steps: printing one-dimensional code or two-dimensional codes and random and discontinuous product identity card codes without repetition on an individual product, a strip of products and a box of products, inputting the product identity card codes to a product data base covering a whole sales area, building a consumed product data base in a system and building a pre-sale enquiry system and an after-sale enquiry system. Compared with the prior art, the random and discontinuous product identity card codes without repetition are printed on the outer packing of products, each individual product, each strip of products and each box of products are enabled to have unique product identity card codes, by building the product data base, sellers can carry out sale feeding back conveniently, consumers can carry out pre-sale enquiry and after-sale enquiry conveniently, the benefits of the consumers and normal manufacturers are guaranteed to a maximum extent, and the work of cracking down on counterfeit goods of a quality supervision department, the right protection work of a consumers association and the regulation work of price control authorities are enabled to be convenient.

The invention discloses a suspension type fishery aquaculture water area clearing pump and belongs to the technical field of cleaning pumps. The floating type fishery aquaculture water area clearing pump comprises a submersible sewage pump body; the lower end of the submersible sewage pump body is connected with a water suction box; the lower end of the water suction box is fixedly connected witha primary filtering plate; the water suction end of the submersible sewage pump body is located in the primary filtering plate; the upper side of the submersible sewage pump body is provided with a filtering and collection boat body; a plurality of uniformly distributed drainage holes are formed in the filtering collection boat body; a filter screen connecting ring is fixedly connected into the filtering and collection boat body; the submersible sewage pump body suspended in water can pump the water into the filtering and collection device; the filtering and collection device filters out and collects suspended granular waste in the water, and therefore, a water area can be comprehensively cleared, and the problem that the suspended granular waste in the water cannot be comprehensively cleaned can be solved, a lot of human resources can be saved, and the health and safety of fishery aquaculture water areas can be ensured.

The invention discloses an efficient SF6 gas processing tool. The efficient SF6 gas processing tool comprises a platy fixed base, a public connecting pipe installed on the fixed base and at least four joints used for connecting SF6 equipment air chambers and vacuumizers, wherein the two ends of the public connecting pipe are closed, at least four connectors are arranged on a pipe body of the public connecting pipe, and the joints are correspondingly connected to the connectors. With the adoption of the efficient SF6 gas processing tool, as a plurality of vacuumizers are connected with the efficient SF6 gas processing tool, air recycling and vacuum pumping are simultaneously carried out on a plurality of air chambers, and working efficiency is greatly improved; in addition, the plurality of air chambers can be inflated by virtue of a plurality of bottles of SF6 or N2 gas, and thus inflation efficiency is improved; structure is simple, manufacturing cost is low, time for processing SF6 during SF6 equipment overhaul and repairing work can be greatly shortened, manpower and material source consumption is saved, and power failure time of equipment is shortened.

The invention belongs to the technical field of computer accessories, and provides a displayer for video live broadcasting. The displayer comprises a displayer shell. A display screen is embedded into a front panel of the displayer shell, and a main circuit is arranged in the displayer shell. An infrared camera and lampshades are arranged at the top of the displayer shell. The extra purchase cost is saved, and the space required by placement is avoided. The infrared camera is fixed to the shell through a metal hose, the metal hose can be bent and turned at will, and adjustment is quite convenient. The lampshades are fixed to rectangular sliding strips through supporting rods, the rectangular sliding strips are arranged in rectangular groove-type electrodes in the top face of the shell in a sliding mode, and the positions of the lampshades are conveniently adjusted by sliding the sliding strips. The infrared camera and the groove-type electrodes are electrically connected with the main circuit of the displayer through corresponding switches on the front panel of the shell, working or stopping can be conveniently controlled, and the displayer is simple and rapid.

A camera fixing support used for an unmanned aerial vehicle comprises a base (3), a frame (6) installed on the inner side of the base (3), and locking structures (7) used for enabling the base (3) and the frame (6) to be connected. A rectangular window is formed in the front face of the frame (6). Rectangular holes (13) are formed in the left side wall and the right side wall of the frame (6) correspondingly. The top ends of the side walls of the frame (6) protrude outwards. Screw holes (10) are formed in protrusions protruding outwards from the top ends of the side walls of the frame (6). A support plate (8) is arranged at the bottom of the frame (6) and provided with a camera fastening screw hole (9). A camera lens hole (4) and receding holes (5) are formed in the front face of the base (3). Data interfaces (14) are arranged on the two sides of the base (3) correspondingly. Locking clamp heads (15) are arranged on the outer sides of the two sides of the base (3) correspondingly, and the locking structures (7) are installed in the positions of the locking clamp heads (15) correspondingly.

The invention relates to the technical field of chemical fiber production equipment, and discloses an automatic control robot for chemical fiber production. The automatic control robot comprises a chemical fiber grabbing robot, wherein the bottom of the chemical fiber grabbing robot comprises a base; a rotating assembly is arranged in the base; the top of the rotating assembly is fixedly connectedwith a machine frame; a power mechanism is arranged on the left side of the top of the machine frame; the two sides of the power mechanism are connected with a mounting frame; the other end of the mounting frame is fixedly connected with the outer side surface of the machine frame; a rotating seat is arranged on the right side of the top of the machine frame; and a mechanical arm is movably arranged on the front surface of the rotating seat. According to the automatic control robot for chemical fiber production, an induction scanner is arranged to be matched with a scanning code arranged on aproduct to carry out induction positioning, so that the operation of a hydraulic rod is conveniently controlled, the product is grabbed through the support of the hydraulic rod and the connection ofa positioning piece, the chemical fiber product is prevented from falling off, and the stability of automatic production of the robot is improved.

Provided is a building. A fine water mist fire fighting device, a supporting platform and a rope descending device are arranged above the building. The fine water mist fire-fighting device comprises an electric pipe winding device, a rubber pipe and a fire-fighting spray gun or a sprayer connected with the rubber pipe. The position above the building or the rope descending device is provided with a pulley, a rope winds through the pulley and forms a first stay cord and a second star cord on the two sides of the pulley, the first stay cord is directly connected with the supporting platform or connected with the supporting platform through an inclined stay cord, a traction rope is connected to one side of the supporting platform, and under the building, the electric pipe winding device can be controlled to rotate and the fire-fighting spray gun or the sprayer and the supporting platform are controlled to descend and extend along the outer side of an outer wall of the building by pulling or dragging the descending second stay cord.

The invention relates to the technical field of a test paper arranging device, and discloses a linked test paper arranging device for college entrance examination students capable of classification arrangement. The device comprises a table body, the inside of the table body is a cavity, the inner wall of the left side of the table body is fixedly connected with a transverse partition plate, a classification arrangement mechanism is arranged between the bottom of the inner wall of the table body and the transverse partition plate, the left side of the table body is provided with a driving mechanism, the top of the transverse partition plate is provided with a pressing type arrangement mechanism, a linked heat dissipation mechanism is disposed between the right side of the inner wall of thetable body and the classification arrangement mechanism, and a first square groove is formed in the right side of the table body and located on the upper portion of the transverse partition plate. Byarranging the classification arrangement mechanism, the pressing type arrangement mechanism and the linked heat dissipation mechanism, the device achieves classification arrangement of a plurality ofdifferent ways, does not occupy space, and does not damage test papers, so that the college entrance examination students are emotionally stable and convenience is provided for learning.