39results about How to "Solve limited space" patented technology

The invention discloses a single power supply single-surface serial double-TIG (Tungsten Inert Gas) arc welding method which relates to a welding method and solves the problems of synchronous control of two guns and limited space accessibility of a back surface welding gun in a traditional double-surface double-arc welding method. In the single power supply single-surface serial double-TIG arc welding method, one welding power supply and two welding guns are adopted; the two welding guns are a first TIG welding gun and a second TIG welding gun; the first TIG welding gun is connected with a positive output end of the welding power supply; the second TIG welding gun is connected with a negative output end of the welding power supply; the two welding guns are arranged on the same surface to be welded of a workpiece to be welded during welding; current flows in the direction of the first TIG welding gun->the workpiece to be welded->the second TIG welding gun; a melting pool is respectively produced between the first TIG welding gun and the workpiece to be welded and between the second TIG welding gun and the workpiece to be welded; the other welding method is characterized in that only one welding gun is adopted and two tungsten poles are installed on the welding gun for welding. The method can be applied to the welding of thick plates and the high-speed welding of thin plates.

The invention discloses a cam rope drive robotic fishtail swing device with a shaft replacement door type mechanism. The device comprises the shaft replacement door type mechanism, a door frame A, a door frame B, a disc-shaped cam drive mechanism, springs and pull ropes. The door frame A is installed on one side of the shaft replacement door type mechanism and the door frame B is installed on the other side of the shaft replacement door type mechanism. The springs and the pull ropes are installed on the two sides of a first door. Under the condition that a direct-current motor drives a disc-shaped cam to rotate, the profile of a flange of the disc-shaped cam makes contact with a sliding block B sleeved with the corresponding pull rope, meanwhile, the profile of a base circle of the disc-shaped cam does not make contact with a sliding block A sleeved with the corresponding pull rope, and therefore the first door swings in a reciprocating manner under the effect of a sliding bearing. By the adoption of the device, the variable structure of the disc-shaped cam is combined with the springs and the pull ropes, so that rotary shaft movement of the shaft replacement door type mechanism is achieved. By the adoption of the device, a complex robotic fish fin control problem is converted into a structure and appearance design problem of the disc-shaped cam, so that the complexity of a robotic fish control system is effectively reduced.

The invention relates to a treatment method of electroplating mixed water. The method comprises the following steps: (1) collecting the electroplating mixed water in a water collecting tank, adjusting the pH value to be 2 to 3, hoisting the electroplating mixed water from the water collecting tank into a micro-electrolytic reactor, carrying out the micro-electrolysis by virtue of iron-carbon filler, returning the electroplating mixed water to the water collecting tank from the micro-electrolytic reactor, circulating the electroplating mixed water until hexavalent chromium ions in the electroplating mixed water are reduced to trivalent chromium ions, and ending the circulation stage; (2) enabling the mixed water after the micro-electrolysis to enter a coagulation reactor, stirring the mixed water, adjusting the pH value to 10 to 12, and sequentially adding a coagulant, a coagulant aid and a sodium hypochlorite solution; (3) stopping stirring, standing and precipitating; (4) dehydrating the mud-water mixture in the coagulation reactor after the water quality is qualified, discharging the water, adjusting the pH value of the discharged water to 6 to 9, and externally transporting mud cakes. The invention also discloses a device for realizing the method. By adopting the treatment method and the treatment device, heavy metals and organic pollutants in the electroplating mixed water can be simultaneously and efficiently removed.

The invention belongs to the technical field of testing and particularly relates to a quaternary composite array sensing layout method based on PIR (passive infrared) sensors and microphones, aiming to solve the technical problems of mutual interference of spatial layout and poor sensing effect of a composite sensor in a limited space currently. The quaternary composite array sensing layout method based on the PIR sensors and the microphones comprises a quaternary cross-shaped PIR sensing array and a quaternary microphone array. The quaternary cross-shaped PIR sensing array comprises four human body probers which are arranged at equal intervals by surrounding a central point, a probe of each human body prober faces outward, and the four human body probers are used for probing four directions on the horizontal plane respectively. The quaternary microphone array comprises four microphones which are arranged in four dual-sensing areas respectively. The quaternary composite array sensing layout method based on the PIR (passive infrared) sensors and the microphones has the advantages that by means of composite optimization of the PIR array and the sensor array, the problem that micro sensing node space is limited is solved; the two kinds of arrays are combined mutually but do not interfere with each other; a target can be discovered quickly and positioned precisely.

An etalon of a convex reference surface with a long radius of curvature relates to the field of optical lens design, wherein an incident ray successively passes through an aperture diaphragm, a beam expansion component, a Zernike surface shape compensation component, an aberration balance component and a standard reference surface; the aperture diaphragm, the beam expansion component, the Zernike surface shape compensation component, the aberration balance component and the standard reference surface are disposed with the same optical axis; the Zernike surface shape compensation component compensates a residual aberration of optical design; the aberration balance component balances an aberration of the whole etalon to generate a wave surface which is perpendicular to emergence of the reference surface; and the standard reference surface reflects a light beam by a reflectivity rate of 3.5% to make the light beam return into an interferometer along the original route so as to provide a reference wave surface. The etalon of the convex reference surface with the long radius of the curvature provided by the invention is different from current commercialized products. A utilization requirement for measurement of a concave surface with the long radius of curvature effectively decreases measuring space, solves the problem about spatial limiting and can be physically realized easily. Meanwhile, the etalon of the convex reference surface with the long radius of curvature adopts the Zernike surface shape compensation component which can be processed easily to realize the aberration compensation, so that design difficulty is reduced greatly.

The invention provides a method adopting a bus for communication. The method comprises the following steps: saving a global control register address field in each register, wherein the global control register address field comprises two parts, the first part is a segment address, the second part is a global address, and the segment address corresponds to the address of another register; acquiring the address information of visiting object equipment from bus information; visiting the current register according to the address information when the address information belongs to the global address; and visiting another register according to the address information when the address information belongs to the global address. The invention further provides a device adopting the bus for communication, so as to overcome the space limitation when the bus is used for visiting the inner address of the equipment, and improve the developing efficiency.

The invention discloses a descending movable framework for a highway box girder at a highway and railway combined construction section and an application method of the descending movable framework and relates to the field of bridge construction. The descending movable framework comprises bearing girders, guide beams, support devices, lifting support frames, a template system, a bottom die opening and closing system and a longitudinal shift system. When the descending movable framework for the highway box girder at the highway and railway combined construction section is at the state of concrete pouring, the lifting support frames are abutted to the lower end faces of the bearing girders, at the middle positions of every two pier bodies, the pouring load of the highway box girder is transmitted to other structures, and the lifting support frames are composed of distribution beams, upper sleeve rods, pin rolls, lower sleeve rods, sleeper beams, platforms, sand cylinders, jacks, rigid pads, walking wheels and steel rails. According to the descending movable framework and the application method, the additionally arranged lifting support frames with liftable height can effectively solve the technical problems of stress and hole passing of the framework.

The invention provides a high-frequency induction welding system based on binocular vision and a multi-axis manipulator. The structure of the high-frequency induction welding system comprises a scale division rotating disc, a binocular vision detecting device and the manipulator, wherein a plurality of to-be-machined workpieces are circumferentially and uniformly arranged on the scale division rotating disc, and a control device controls a power mechanism to drive the to-be-machined workpieces to rotate around a center shaft; the binocular vision detecting device comprises at least two vision collecting devices arranged in a certain angle mode; the vision collecting devices are used for collecting position information of the workpieces on the scale division rotating disc and transmitting the position information to the control device; the manipulator is erected on one side of the scale division rotating disc; and a high-frequency induction brazing part is arranged at one end of the manipulator and controlled to act through the control device. According to the high-frequency induction welding system based on binocular vision and the multi-axis manipulator, detecting is conducted through the binocular vision detecting device; the three-dimensional coordinate position of a welding seam is automatically worked out, and the information is sent to the manipulator so that welding can be conducted; and the defects that the positioning precision of existing equipment is poor, the requirement for the workpiece size is high, and positioning fixtures cannot be used confusedly are overcome.

The invention relates to the technical field of vehicle driving devices, and discloses a driving device of a hybrid power vehicle and the hybrid power vehicle, wherein the driving device of the hybridpower vehicle comprises a driving assembly, a first transmission assembly and a second transmission assembly; the driving assembly comprises a first transmission shaft that is arranged in the advancing direction of the vehicle; the first transmission assembly comprises a second transmission shaft which is parallel to the first transmission shaft and is in transmission connection with the first transmission shaft, a first synchronizing mechanism is fixedly connected to the second transmission shaft, and a second gear on the second transmission shaft can drive the first synchronizing mechanismto synchronously rotate; a motor is connected to the second transmission shaft and used for driving the second transmission shaft to rotate; the second transmission assembly comprises a third transmission shaft and a fourth transmission shaft which are arranged in parallel with the second transmission shaft and are in transmission connection, the third transmission shaft is used for being connected with a rear wheel differential device, and the fourth transmission shaft is used for being connected with a front wheel differential device.

The invention relates to the lighting structure technical field, and more specifically relates to a pendent lamp lighting device comprising a lighting module LED lamp panel arranged in the center of the pendent lamp, a transparent cover used for protecting the LED lamp panel and allowing the light to pass, and a first lighting module diffusion cover and a second lighting module diffusion cover arranged on a same side of the LED lamp panel; the transparent cover covers an outer side of the lighting module LED lamp panel; the first lighting module diffusion cover is a cavity structure containing nothing; a side wall of the cavity structure is a curve surface structure smoothly changing from the bottom, parallel to a central line of the pendent lamp, to a portion vertical to the central line; the second lighting module diffusion cover covers the bottom of the first lighting module diffusion cover; the pendent lamp lighting device has the cavity structure with large room, so the space used for diffusing the lights emitted by the LED lamp panel cannot be limited, thus improving diffusion effect; the room of the first lighting module diffusion cover is enlarged, so the possibility of adding other structures is provided.

The invention discloses a disc type passenger train brake tube box which is characterized in that a disc type brake tube box is mounting basis of all brake components; all brake components of one passenger train are contained in the tube box; in order to save the space, a train tube longer than 20m in the passenger train is replaced by a disc type brake tube coil of which the diameter is 1m and the total length is equal to that of the original train tube, and the diameter of a tube of the train tube coil in the tube box is equal to that of the train tube; in order to conveniently connect and disassemble tube boxes, clamp sleeve type tube connectors identical to those of a practical train are adopted, four universal casters are arranged below the tube box so that the tube boxes can be conveniently connected and moved when being assembled, and the casters also play roles of positioning and supporting the tube boxes; and in order to ensure relative fixation of positions of the tube boxes in brake tests, the casters can be locked by pedals, and when the tube boxes are moved, the pedals can be released, and thus the casters can be unlocked.

The invention belongs to the technical field of pharmacy accessory application, and concretely discloses a horizontal double-stirring proportioning tank. The horizontal double-stirring proportioning tank consists of a horizontal tube body, a plurality of saddle seats, a manhole, a group of connectors, a sterile discharging valve and a stirring assembly, wherein the plurality of saddle seats are arranged at the bottom of the horizontal tube body; the manhole is formed in the horizontal tube body; the group of connectors are symmetrically arranged on the horizontal tube body and are positioned at the two sides of the manhole; the sterile discharging valve is arranged at one end of the bottom of the horizontal tube body; the stirring assembly is arranged on the horizontal tube body, and comprises a group of machine frames symmetrically arranged on the horizontal tube body, a driving motor arranged on the machine frame, a stirring shaft and a plurality of stirring paddles; one end of the stirring shaft is positioned in the horizontal tube body; the other end of the stirring shaft is connected with the driving motor; the plurality of stirring paddles are arranged on the stirring shaft.The horizontal double-stirring proportioning tank has the beneficial effects that 1, convenience and high speed are realized; the overhaul is easy; 2, the stirring effect is obvious; the decompositionand the dissolution are easy; 3, the production time is shortened; the production efficiency is improved; the problem of space limitation is solved; the transportation is convenient; dead corners areavoided; cleanness and sanitation are realized.

The invention relates to the technical field of sanitary tools, and particularly to a smoke exhaust pipe mounting connector component, a smoke exhaust pipe component and a range hood. The smoke exhaust pipe mounting connector component provided by the invention comprises a mounting connector body, wherein a first connecting part is arranged at the upper end of the mounting connector body; the first connecting part is used for being fixedly connected with a smoke exhaust pipe; a second connecting part is arranged at the lower end of the mounting connector body; the second connecting part comprises a lower section extending from top to bottom and a convex ring extending outwards from the top of the lower section; and the lower section of the second connecting part is used for extending intoa check valve component and being clamped in and connected with the check valve component through the convex ring, so that the structure is simple and the design is reasonable. According to the smokeexhaust pipe mounting connector component, the smoke exhaust pipe component and the range hood provided by the invention, as the smoke exhaust pipe mounting connector component is additionally arranged between the smoke exhaust pipe and the check valve component, the quick installation is realized; besides, the spatial limitation problem generate during the fixing process of the smoke exhaust pipeand the check valve component is effectively solved, the installation is simple and convenient, the installation effect is good, the sealing effectiveness of the smoke exhaust pipe and the check valve component after installation is effectively ensured, and the oil smoke leakage problem is effectively improved.

The invention provides a display comprising a thin film transistor (TFT) substrate; a color film (CF) substrate, wherein the CF substrate is arranged on the TFT substrate and exposes a first edge partof the upper surface of the TFT substrate, at least two corners of the CF substrate are respectively provided with a notch, the notches expose the upper surface of the TFT substrate, and at least twonotch areas are formed on the upper surface of the TFT substrate; and a plurality of chip test pads disposed on the first edge portion and the notch region.

The invention discloses a method and a device for managing memorizing words, and relates to the field of information security. The method comprises the following steps: generating a random number with a first preset length and calculating the random number; splicing the random number and data of a second preset length obtained from the random number calculation result to obtain a first spliced value; grouping the first splicing values according to a third preset length, searching a corresponding index in an offset storage area according to the value of each group in sequence, and obtaining an initial offset address and the length of the mnemonic word according to the index, according to the initial offset address of the mnemonic word and the length of the mnemonic word, obtaining the corresponding mnemonic word in the mnemonic word storage area, and sequentially storing the mnemonic word in a mnemonic word cache. Compared with the prior art, the technical scheme of the invention can greatly save the storage space, solves the problem that the space of the security chip is limited, can save more space for application, is suitable for the existing security chip, and meets the production requirements of hardware equipment.

The invention discloses a washing machine and a control method thereof. The washing machine comprises a tray seat and an upper cover matched with the tray seat and further comprises a first functionalunit and a second functional unit, the first functional unit is used for realizing the switching of the upper cover from a closed state to an open state, and the second functional unit is used for realizing the switching of the upper cover from the open state to the closed state. At least the first functional unit is arranged at the position where the upper cover can conveniently touch, the uppercover can realize the opening and closing of the tray seat around a hinge, and the first functional unit is arranged at the side, away from the hinge, of the top surface of the upper cover. Accordingto the washing machine, at least one of the two functional units which control the opening or closing of the upper cover separately is arranged at a convenient control position of the upper cover ofthe washing machine, and the control comfort of opening and closing the upper cover of the washing machine is improved.

The invention discloses a side light-emitting LED with an internal drive IC. The LED comprises an insulating main body, and a plurality of conductive terminals are embedded in the insulating main body, wherein each conductive terminal is provided with a welding pin and a bonding pad which are integrally formed. The upper surface of the insulating main body is recessed inwards to form a reflectioncup, and the bonding pads can be exposed out of the bottom surface of the reflection cup; an LED light-emitting chip and an internal drive IC are respectively welded and fixed on each of the pluralityof bonding pads; the LED light-emitting chips and the inner drives IC are both located in the reflection cup. The LED light-emitting chips, the internal drives IC and the weld legs are electrically connected through conductive wires. One ends of the welding pins away from the bonding pads are located at the insulating body bottom. A light-transmitting cover is clamped on the insulating main body,and the LED light-emitting chip and the internal drive IC are both located in the light-transmitting cover. A plurality of welding foot supports are arranged in the insulating main body, the weldingfeet and the welding foot supports are equal in number and are in one-to-one correspondence, the welding feet are located in the welding foot supports, heat dissipation materials are filled between the welding feet and the welding foot supports, the structure of the device is simple, the IC chip and the LED light-emitting chips are integrated and driven, and the application stability can be improved.

The invention relates to a cutting transmission main body part structure which comprises a fixed reduction gearbox shell, and an oil cylinder, a cutting motor and a preceding-stage cutting transmission mechanism which are positioned in an inner cavity of the fixed reduction gearbox shell; the preceding-stage cutting transmission mechanism comprises a high-speed-stage planetary mechanism, a central gear, a left and a right groups of gear reduction mechanisms which are in transmission connection in sequence; each gear reduction mechanism comprises a first fixed shaft gear transmission mechanism and a second fixed shaft gear transmission mechanism which are connected through a spline; the first fixed shaft gear transmission mechanisms and the second fixed shaft gear transmission mechanisms extend from the middle of the fixed reduction gearbox shell to the left side and the right side according to the power transmission sequence; the second fixed shaft gear transmission mechanisms are located in front of the first fixed shaft gear transmission mechanisms; the oil cylinder is located in front of the second fixed shaft gear transmission mechanisms; and a gap bridge structure installation connector is arranged at the rear end of the fixed reduction gearbox shell. According to the cutting transmission main body part structure, the problems of loading channels and underground transportation can be solved, the transmission mechanism is simple, and the overall layout is beneficial to improvement of the gravity center of a whole coal mining machine.

The invention relates to a suspension machine body coal mining machine. The suspension machine body coal mining machine comprises a fixed reduction gearbox, a gap bridge structure and an arm frame; the fixed reduction gearbox comprises a fixed reduction gearbox shell, an oil cylinder, a cutting motor and a front-stage cutting transmission mechanism, wherein the oil cylinder, the cutting motor and the front-stage cutting transmission mechanism are located in an inner cavity of the fixed reduction gearbox shell; the fixed reduction gearbox shell and the gap bridge structure are arranged front and back and detachably and fixedly connected; the arm frame comprises an arm frame shell and a rear-stage cutting transmission mechanism; a core part of a front-stage tail gear of the front-stage cutting transmission mechanism and a rear-stage head gear of the rear-stage cutting transmission mechanism form spline connection through a spline shaft; the arm frame shell is hinged to the fixed reduction gearbox shell, and the hinge axis coincides with the center line of spline connection; te two ends of the oil cylinder are hinged to the fixed reduction gearbox shell and the arm frame shell correspondingly; and the oil cylinder is located in front of the front-stage cutting transmission mechanism. The suspension machine body coal mining machine can achieve the purposes of channel loading and underground transportation at the same time, the transmission mechanisms are simple, and the gravity center of the whole coal mining machine can be improved through the overall layout.

The invention relates to a multi-port valve. The multi-port valve comprises a valve body, a valve plate, a valve seat, a driving mechanism and a transmission mechanism. The valve plate is positioned in the valve body and is provided with more than two sealing surfaces S; the transmission mechanism comprises a main shaft and a crank; the main shaft is connected with the driving mechanism, and the crank is connected with the main shaft and the valve plate and drives the valve plate to move or be opened and closed between different ports of the valve. And the valve plate is attached to and sealed with the valve seats at the port positions through different sealing surfaces S at the different port positions of the valve. The multi-port valve has the outstanding effects of simple structure, convenience in use and maintenance, cost saving, safety and reliability, and energy conservation and consumption reduction; and the problems that the space of a control is limited and the strength of main metal parts, including a main shaft, of a valve body is sharply reduced under a high-temperature working condition are solved; and the multi-port valve can be widely applied to various different working conditions and pipelines for conveying different media.

A control car chassis, said control car comprising an end wall, and a cab; the end wall and the cab are respectively arranged at a front end and a rear end of said chassis; a towing beam (1) is fixed on a bottom surface of both the front end and the rear end of the chassis; the towing beam (1) is shaped by bending a steel plate. The towing beam uses a steel plate bending shaping structure to replace an existing tailor welded structure, thus having a better processing moldability, reducing an amount for welding and improving the bearing capability of the towing beam. Further comprised is a control car comprising the chassis.