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.

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 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 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 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 cooling device for an automobile connector injection mold. The cooling device comprises a heat exchange tube, a cooling water tank and cooling water, wherein the cooling water firstly enters the injection mold and then enters the cooling water tank, one end of the heat exchange tube is in contact with the injection mold, and the other end of the heat exchange tube is immersed in the cooling water tank. Compared with the prior art, the device has the advantages of being more remarkable in effect, simpler in structure, and capable of solving the problem of space limitation.

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.