101results about How to "To achieve the purpose of one machine with multiple functions" patented technology

The invention relates to a multifunctional digital display force measuring instrument, which comprises a reverse force holding frame. The multifunctional digital display force measuring instrument is characterized in that: a force applying mechanism with a pull rod is arranged on the reverse force holding frame, the pull rod arranged above the reverse force holding frame is sleeved with a cylinder bushing type pressure sensor and a digital display instrument connected with the cylinder bushing type pressure sensor. The multifunctional digital display force measuring instrument is mainly used for force value inspection in architectural engineering.

The invention discloses a preparation method of a monocrystalline silicon solar cell texture, the process is as follows: a monocrystalline silicon wafer which is rinsed cleanly by pure water after the chemical pre-cleaning in the former step is put in an ultrasonic tank of an ultrasonic cleaning machine with the power of 1,800-2,400w and the frequency of 25-40kHz, mixed water solution with 1 percent-2 percent NaOH and 3 percent-6 percent isopropyl alcohol according to the weight percentage is prepared in the ultrasonic tank, the temperature of the mixed water solution is set to be 75-85 DEG C, the ultrasound time is 30-35min, then the monocrystalline silicon wafer is taken out and put in hydrochloric acid water solution with the volume percentage of 10 percent for soaking for 4-6min, hydrofluoric acid water solution with the volume percentage of 10 percent is further used for soaking for 4-6min after the rinsing, then deionized water is used for cleaning, and drying is finally carried out. The silicon wafer texture prepared by the preparation method is even and low in reflection rate; furthermore, the preparation method reduces the fragmentation rate and improves the production efficiency and the production capacity.

The invention provides a cutaway disk type stubble breaking knife and a stubble-breaking and furrowing device. The cutaway disk type stubble breaking knife is characterized in that cutting edge shape of the helical cutaway disk type stubble breaking knife is established according to the parameter equation; a standing plate of the stubble-breaking and furrowing device is fixedly connected with a mandrel which is bent from the middle towards the two ends; two multi-cutaway disk type stubble breaking knifes are in rotational connection with two ends of the mandrel through a bearing and are configured at an included angle of 12 degrees; a furrower connector is connected with the lower end of the standing plate, and adjusting holes in rows are formed in the furrower connector; the furrower having furrowing edges at the front end is assembled on the furrower connector through a bolt; a seed throwing pipe is fixed at the rear part of the standing plate through a connection plate. The stubble-breaking and furrowing device can ensure the stubble-breaking quality, prevents winding and blockage of the broken stubbles, and has no problem of missing cutting, and also has the advantages of relatively lower working resistance, relatively strong soil-in ability, order, straight and depth-uniform ditch, adjustable depth, wide application range, simple structure, and convenient adjustment, disassembly, assembly and maintenance.

The invention relates to a portable ultrasonic auxiliary spark sedimentation repairing and polishing integrated device and a process thereof. The device comprises an air supply system for creating a protective atmosphere for sedimentation repairing, a power supply, a control box, an ultrasonic auxiliary spark sedimentation repairing and polishing integrated element, a workpiece chuck and a tool electrode, wherein the ultrasonic auxiliary spark sedimentation repairing and polishing integrated element comprises a shell, a spindle and an ultrasonic vibrator; the ultrasonic vibrator comprises a rear matching cover, two electrode plates of the ultrasonic vibrator, two piezoelectric ceramics, an insulation sleeve, an amplitude transformer, a pre-stress bolt and a electrode chuck. The device of the invention is portable and multifunctional, can repair the failure surfaces of module and parts through the ultrasonic spark sedimentation repairing, can improve the surface quality of the repaired sedimentation layer by ultrasonic polishing, can locally strengthen the surfaces of the module and parts through ultrasonic spark sedimentation and can remove surplus materials of the surfaces of the module and parts through reversed polarity spark processing. The portable ultrasonic auxiliary spark sedimentation repairing and polishing integrated processing method of the invention is simple in operation, is convenient and is practical.

The invention provides a multifunctional self-propelled tillage machine with four-wheel-drive. An electric starting diesel engine is arranged on the front portion of a rack. A gear box is connected to the rear portion of the rack. An input shaft, a rear output shaft, a driving shaft and a front output shaft are arranged in the gearbox. A clutch is connected to the input shaft of the gearbox. The electric starting diesel engine is connected with the clutch through belt transmission. A front drive axle is arranged on the lower portion of the front end of the rack and is connected with the front output shaft of the gearbox through a hinge connection shaft, and a front drive wheel is arranged on the front drive axle. A rear drive wheel is arranged on a drive wheel shaft of the gearbox, and a brake is arranged on the drive wheel shaft. A steering gear is arranged in the middle of the rack and is connected with the front drive axle. A seat is arranged above the gearbox, and a storage battery is arranged in front of the electric starting diesel engine and is connected with a starting motor on the electric starting diesel engine. A hydraulic system comprises an oil tank, a hydraulic gear pump, a hydraulically-operated valve and a hydraulic oil cylinder. The tillage machine with the four-wheel-drive can be used for multiple purposes and is simple in structure and convenient to operate.

The invention discloses a pollutant processing device based on dielectric barrier discharge plasma. The pollutant processing device is characterized by comprising a water tank and a discharge component, wherein the water inlet of the water tank is connected with a water feeding pipe; the water outlet of the water tank is connected with a water discharging pipe; the discharge component comprises ahigh-voltage electrode, insulating media, a micro-channel element and an insulating ring; the water tank is earthed, or an earthing electrode is arranged in the water tank; the insulating media are arranged on the bottom in the water tank; the high-voltage electrode is tightly attached to the lower side of the insulating media; the insulating ring is near or is tightly attached to the upper side of the insulating media; the micro-channel element is positioned in the insulating ring, is provided with a plurality of micropores, and is made of insulating materials. According to the pollutant processing device disclosed by the invention, self temperature reduction and cooling during discharge can be realized, and meanwhile, refractory organic pollutants can be efficiently processed at low cost.

The invention provides an any wave form complex signal generator which comprises a local bus control module, a FIFO speed adjusting module, a D / A digital-to-analog converting module, a low-path filtering module, an analog converter, wherein the local bus control module is connected with the storing module; the local bus control module is also connected with the PIC bus controller and the PIC bus of the computer by local bus and PIC bus pin; the analog converter arranges a signal output port and a carrier input port which is connected with the external signal source.

The invention relates to an RWD automobile gearbox transmission error detection test bench and a comprehensive testing method, and belongs to the technical field of automobile gearbox detection. The test bench comprises a test bench device and an adjustment and supporting device. The test bench device comprises an AC drive motor, an input end elastic shaft coupler, an input end transmission error comprehensive detection device, an input end cv-joint synchronous universal shaft coupler, a gearbox input spline shaft, a tested gearbox, a gearbox output flange shaft, a first output end elastic shaft coupler, an output end transmission error comprehensive detection device, a second output end elastic shaft coupler, a two-gear reduction gearbox, an output end cv-joint synchronous universal shaft coupler, and an AC loading motor. The test bench is advantageous in that the device employs a U-shaped layout and reduces the area of an occupied land; the test bench can measure the static and dynamic transmission errors of the gearbox at the same time; the test bench employs the two-gear reduction gearbox and a sliding table mechanism, can meet the testing requirements of different types of gearboxes, and improves the universality of the test bench.

The invention provides an automatic vegetable bundling machine, and belongs to the field of agricultural machinery. The automatic vegetable bundling machine comprises a rack and a bundling machine body, wherein the bundling machine body is arranged on the rack, and comprises a vibration conveying device, a transmission device, a pushing device and a bundling device. The bundling machine is simple in structure, lower in cost and convenient to operate; the bundling process is completely automatic, and can save time and labor; the machine size is relatively small; and the automatic vegetable bundling machine is convenient to use and high in applicability and plasticity. On the basis of the machine, an automatic vegetable clamping part can be added, which replaces manual vegetable placement; a vegetable cutting device can be additionally arranged in the middle of the automatic vegetable clamping part to cut off harmful parts of vegetables; a vegetable classifying device can be additionally arranged behind a bundling part, so that the bundled vegetables can be automatically and tidily arranged; the automatic vegetable bundling machine can be transformed into bundling machines for other similar vegetables so as to fulfill the aim that one machine has multiple purposes; and the automatic vegetable bundling machine has a very wide application prospect.

The invention discloses a waste processing device based on two-sided micro-duct dielectric barrier discharge. The waste processing device is characterized by comprising a water tank, a discharge component and a micro-duct component, wherein a water outlet of the water tank is connected with a water discharging pipe; the water tank is grounded, or a grounding electrode is arranged in the water tank; the discharge component comprises a high-voltage electrode and an insulating medium, wherein the insulating medium is arranged in the water tank; the insulating medium is provided with a high-voltage electrode containing cavity, and the high-voltage electrode is positioned in the high-voltage electrode containing cavity; the micro-duct component comprises two micro-duct elements and a cover element; the two micro-duct elements and the insulating medium are all positioned in the cover element; in addition, the two micro-duct elements are respectively positioned on two sides of the insulatingmedium; the two micro-duct elements are respectively provided with a plurality of micro-pores; the cover element is provided with a pipeline joint; the pipeline joint is externally connected with an pipeline. According to the waste processing device, refractory organic pollutants can be processed in a self-cooling, high-efficiency and short-process discharge plasma way.

The invention relates to the technical field of medical apparatus and instruments, in particular to a multifunctional medical human body irrigator. The multifunctional medical human body irrigator comprises a handle, a tension rod, a tension rod cylinder which is connected with the tension rod, a liquid storage bottle, a liquid medicine catheter, a flushing nozzle and a valve cylinder. One end of the valve cylinder is connected with the front end of the tension rod cylinder, while the other end of the valve cylinder is provided with a negative-pressure air inlet with a one-way valve; the negative-pressure air inlet is connected with the liquid storage bottle through a connecting tube for the liquid storage tube; a positive-pressure water outlet with a one-way valve is vertically disposed on the side wall of the valve cylinder; and the flushing nozzle is connected with the positive-pressure water outlet through a connecting tube for the flushing nozzle. The irrigator is characterized in that the connecting tube for the flushing nozzle is an L-shaped connecting bent pipe; one end of the L-shaped connecting bent pipe is connected with the positive-pressure water outlet which is vertically arranged on the side wall of the transverse valve cylinder while the other end of the L-shaped connecting bent pipe is connected with the flushing nozzle. The invention has advantages that: the irrigator is reasonable in design and structure, convenient to operate, labor-saving and sanitary and comfortable. Meanwhile, a pollution problem of liquid medicine can be avoided.

The invention relates to a cascaded water chilling unit for dual purposes of intermediate temperature and low temperature. The cascaded water chilling unit comprises a high-temperature system, a low-temperature system and a control system. The high-temperature system is connected with the low-temperature system through an intermediate heat exchanger. The high-temperature system is composed of a high-temperature compressor, a high-temperature condenser and a high-temperature evaporator which are sequentially connected to form a loop. The intermediate heat exchanger is connected with the two ends of the high-temperature evaporator in parallel. The low-temperature system is composed of a low-temperature compressor, a low-temperature condenser, the intermediate heat exchanger and a low-temperature evaporator which are sequentially connected to form a loop. Throttling devices are installed at the liquid inlet end of the high-temperature evaporator and the high-temperature liquid inlet end of the intermediate heat exchanger respectively. The control system controls a liquid refrigerant in the high-temperature system to flow through the intermediate heat exchanger or the high-temperature evaporator by controlling switching-on or switching-off of the throttling devices. The water chilling unit can be used for producing high-temperature chilled water or low-temperature chilled water according to different conditions, energy is saved, environment friendliness is achieved, and operation is easy.

The invention discloses a forming hydraulic machine for a hot-press seal head. The forming hydraulic machine comprises a machine frame, four vertical columns arranged on the machine frame, an upper beam and a lower beam, wherein the upper beam and the lower beam are fixedly arranged on the four vertical columns. An edge pressing and sliding block capable of vertically moving along the vertical columns is arranged between the upper beam and the lower beam, a vertically through guide groove is formed in the middle of the edge pressing and sliding block, a tension hydraulic cylinder is arranged in the middle of the upper beam in a through mode, the lower end of a tension piston rod of the tension hydraulic cylinder is connected with a tension sliding block, the tension sliding block can vertically move in the guide groove of the edge pressing and sliding block, the lower end of the tension sliding block is fixedly provided with a bearing tube, and the lower end of the bearing tube is provided with an upper die. The upper beam is further provided with at least two edge pressing hydraulic cylinders, and the lower end of an edge pressing piston rod of each edge pressing hydraulic cylinder is connected with the edge pressing and sliding block. The forming hydraulic machine for the hot-press seal head has the following advantages of being good in guide performance, capable of achieving double movements into a single movement, simple in structure, safe, reliable and convenient to operate.

The invention relates to a helical blade drawing device, comprising a rack and a spindle, wherein the rack comprises a base plate and a support plate fixedly connected with the base plate, the spindle is vertically arranged at one side of the support plate, the drawing power device and the spindle are arranged at the same side of the spindle, the extending end of the drawing power device is provided with a blade drawing mounting part, and a blade fixing mounting part is arranged at one side of the support plate arranged at the lower part of the spindle. In the invention, an electric hydraulic push rod is taken as the drawing power device, labour intensity of workers is reduced, and working efficiency is improved; helical blades with different diameters can be drawn by adjusting tension and replacing the spindle; and the helical blades with different thread pitches can be drawn by regulating stroke in a rated stroke range, thus the aim that the helical blade drawing device provided by the invention serves multiple purposes is achieved. The helical blade drawing device provided by the invention has the characteristics of simple structure, convenience in application and low cost.

The invention relates to a testing stand for testing the transmission error of a mechanical gearbox of a front drive automobile and a comprehensive testing method, and belongs to the technical field of automobile gearbox test. The testing stand comprises a driving motor, an input shaft resilient coupler, a comprehensive input shaft transmission error detection device, an input shaft cage-type synchronous universal shaft coupler, a gearbox input spline shaft, a certain type gearbox, a first output shaft resilient coupler, a comprehensive first output shaft transmission error detection device, an arc tooth synchronous belt drive input shaft resilient coupler, an arc tooth synchronous belt transmission device, an arc tooth synchronous belt transmission output shaft resilient coupler, a first loading motor, a second output shaft cage type synchronous universal shaft coupler, a comprehensive second output shaft transmission error detection device, a second output shaft resilient coupler and a second loading motor. The testing stand is novel in structure, the first loading motor is arranged in a bias manner, the occupied space is small, and static and dynamic transmission errors of a gearbox can be measured. The testing stand has high universality.

The invention provides a multifunctional swinging machine for children. The multifunctional swinging machine for children is characterized in that a motor and a transmission speed-reducing device are arranged on an underframe; two sides of a shaft are provided with walking sticks; connecting rods are hinged with cross rods under a cross rod; a movable child chair and a handrail are arranged on an upper frame; the child chair and the handrail can be horizontally placed on the upper frame by a hinge and a bolt and also can be vertically fixed; two sides and one edge side of the upper frame are provided with lengthened frames; the lengthened frames can be fixed by bolts during expanding and retracting; the last grids of the lengthened frames are provided with fixed plates for placing wheels of a baby carrier; a plurality of cross rods for fixing the four-wheeled baby carrier are arranged on the lengthened frames; the cross rods are fixedly connected with two ends of the cross rods under the cross rod; sound insulation boards are arranged between the cross rods and the two ends of the cross rods under the cross rod; sound insulation boards are arranged under the motor and the transmission speed-reducing device on the underframe; a soft sound insulation material is used between the two sound insulation boards to connect the two sound insulation plates in a sealed manner; and a remote control switch, a voice operated switch, a timing switch, a speed adjusting switch and a music box can be connected to a power supply wire. The invention realizes a purpose that one machine has multiple functions.

The invention relates to an on-board firefighting capstan comprehensive testing device. The on-board firefighting capstan comprehensive testing device comprises a control system, a power mechanism, a breaking testing device, and a capstan testing device. A breaking testing oil cylinder and a first traction rope test piece are vertically fixedly connected with an experimental testing arm. The end of the first traction rope test piece is fixedly connected with a first fixing device. The capstan testing device comprises a capstan tension sensor, a capstan installation rack, and a power roller device. A tested capstan is fixedly disposed on the capstan installation rack, and two ends of a second traction rope are respectively disposed on the tested capstan and a drum in a coiled manner. The on-board firefighting capstan comprehensive testing device is advantageous in that an application range is wide; an industrial brake is adopted, and a range of carrying capacity is adjustable; the fast installation of the capstan and the adjustment of the lengths of the traction ropes are realized, and the extending angles of the traction ropes are adjustable, and testing adjustment at different angles can be simulated conveniently.

The invention discloses a workpiece deburring device which comprises a workpiece frame and a tool frame. The workpiece deburring device further comprises a first horizontal shaft, a first vertical shaft, a second horizontal shaft, a second vertical shaft and a third horizontal shaft. The first horizontal shaft and the third horizontal shaft are parallel to each other. The second horizontal shaft is perpendicular to the first horizontal shaft and the third horizontal shaft. The workpiece frame is installed on the second vertical shaft which is installed on the second horizontal shaft through a first connecting box body. The tool frame is installed on the third horizontal shaft and rotates around the third horizontal shaft. The third horizontal shaft is installed on the first vertical shaft through a second connecting box body. The first vertical shaft is installed on the first horizontal shaft through a third connecting box body. According to the workpiece deburring device, on the basis of low cost, the multi-freedom-degree flexible machining requirements are met, different grinding tools can be switched for a single workpiece, different workpieces can be switched as well, multiple purposes can be achieved through one device, and the investment efficiency is maximized.

In order to overcome the defects that the parallel double-screw extruder in the prior art is single and constant and can not realize multile purposes and multiple functions with one machine, the invention provides a parallel double-screw extruder unit. The parallel double-screw extruder unit is characterized in that a drum body and screws adopt a cordwood type structure respectively; each screw is formed by combining various types of thread blocks sheathed on the core shaft; and an inner bush of the drum body can be adjusted according to differences of the thread blocks, so that an ideal screw structure form is flexibly combined according to the varieties of the materials and the process requirements and the like, the contradiction that the specificity of the screws is difficultly considered is better solved, the purposes of multiple purposes and multiple functions are achieved, the materials can be better mixed and plasticized, the water and the moisture of the special materials are automatically discharged in the operating process of a main machine, and the problem that all physical performances are not stable is successfully solved.

The invention discloses an electric spindle arranging structure easy to replace a motor, which comprises a mandrel (4), a spindle motor component (1), a clamping disk component (7), a rear-end bearing assembly (2) and a front-end bearing assembly (3), wherein the spindle motor component (1) is fixed on the rear side of the rear-end bearing assembly (2); the spindle motor component (1) comprises a stator (11), a rotor (12) and a rotor bushing (13); an inner ring of the rotor bushing (13) is provided with a concave groove to form an annular gap (32) between the rotor bushing (13) and the mandrel (4); and the rotor bushing (13) is provided with an oil hole (31) communicated with the gap (32). The structure has multiple functions by conveniently replacing the spindle motor component. The working range of single equipment is greatly improved and the production cost is greatly reduced.

The invention provides a rectangular section road header used for digging an underground garage. Dug sections can be various and can be detached and installed as a whole according to construction requirements. The road header comprises a front shield, a spiral conveyer, a middle shield, a tail shield and a hinge oil cylinder and further comprises a cross flower-shaped cutter head and small cutter heads at the front end. The cross flower-shaped cutter head is in a cross shape as a whole and comprises two main cutter beams, two auxiliary cutter beams and a center fish tail cutter, the main cutter beams are perpendicular to the two auxiliary cutter beams, one end of each main cutter beam is of a rhombic and annular shape, the other end of each main cutter beam is fixed to a sleeve, cutters are distributed on the main cutter beams and on the auxiliary cutter beams, and the small cutter heads are arranged at the four corners of a rectangular section. Construction efficiency is high, the digging rate on the section is as high as 97% the soil pressure balance effect of a working face and the front shield can be well adjusted, and smooth deslagging capacity is improved. The road header is multifunctional by distributing the front shield in an existing size and specification, accordingly equipment manufacturing cost is lower, and the road header is economical and practical.

The invention discloses a laser marking device. The laser marking device is composed of a main support (1), a stand column (2), a laser generator (3), a telescopic plate (4), a telescopic supporting plate (5), a movable support assembly (6), a left and right sliding plate (7), a front and back sliding plate (8) and a tool support assembly (9). The stand column (2) is fixed to the upper right part of the main support (1) through a bolt. The laser generator (3) is installed on one side of the stand column (2). The laser generator (3) is installed on a sliding rail (2-1) of the stand column (2). A scale ruler (2-2) is arranged on one side of the stand column (2). The height of the laser generator (3) is adjusted through a rotating handle (2-3). The laser marking device is simple in structure; a tool head is replaced, so that the purpose of installing different lens parts is achieved; a driving motor drives the tool head to conduct rotary motion so that etching and marking can be conducted on a curved surface; and the purpose that the laser marking device has multiple functions is achieved.

The invention discloses a rotation / swing switch connector for a pneumatic grinder, which comprises a housing (1), a crankshaft (2), a shifting fork (3), a shifting fork seat (31) and a vertical swing shaft (4). With the adoption of the device comprising the housing, the crankshaft, the shifting fork and the vertical swing shaft, the crankshaft converts rotation to reciprocating rectilinear movement through the shifting fork; the shifting fork allows the vertical swing shaft to make reciprocating swing movement along a periphery taking an axis of the vertical swing shaft as a center through a horizontal connecting rod of the vertical swing shaft; during application, a connecting hole of the crankshaft is connected with the pneumatic grinder; the vertical swing shaft is connected with a swing cutting tool or a swing grinding head; and the rotation of the pneumatic grinder is converted to swing of the cutting tool or the grinding head. The problem and disadvantage of a single function in the prior art are overcome; the rotation is converted into the swing, so that the pneumatic grinder can be used for reciprocating swing cutting or grinding; the application scope is expanded; and the purpose of multiple functions is achieved.

The invention provides a multi-functional motor. The motor comprises stators, a first rotor shaft, first rotors, two end covers, other conventional motor accessories, second rotors and a rotor shaft fixing the second rotors, wherein the stators are arranged between the first rotors and the second rotors; micro yoke height or zero yoke height is set for the stator core; the two rotor shafts are respectively connected with the first rotors and the second rotors, respectively extend heads toward the outside of the end covers at the two sides of the motor body and are respectively connected with a mechanical transmission shaft needing power so as to provide power to the outside; the first rotors and the second rotors can interchange to respectively serve as the rotors of a generator and the rotors of an electric motor; and according to the reversibility principle of the electric motor and the generator, the two kinds of rotors can serve as the stators of the motor and the stators can serve as the rotors of the motor. The multi-functional motor has the following beneficial effects: the motor is used for composing the electric motor to be used; and the motor can not only serve as the generator which generates power normally but also serve as the electric motor when the machines need to be dragged to do work, thus realizing that one machine has multiple purposes, effectively saving the equipment cost and saving energy and reducing emission.

The invention provides a three-layer co-extrusion adjustable eccentric wire and cable extrusion machine head. The three-layer co-extrusion adjustable eccentric wire and cable extrusion machine head comprises a shell, an outer-layer divider, an outer-layer outlet die, a middle-layer divider, a middle-layer outlet die, an inner-layer divider, a mold core rod, a ball head, third eccentricity adjusting screws, a mold core, first eccentricity adjusting screws and second eccentricity adjusting screws. The outer-layer divider is assembled in the shell and is in taper fit with the shell to achieve locking. The outer-layer outlet die is assembled on the outer-layer divider through threads. The middle-layer divider is assembled in the outer-layer divider. The middle-layer outlet die is assembled on the middle-layer divider through threads. The inner-layer divider is assembled in the middle-layer divider. The mold core rod and the ball head are assembled in the inner-layer divider. The total number of the third eccentricity adjusting screws is four, and the third eccentricity adjusting screws are evenly distributed on the circumference of the inner-layer divider. The mold core is assembled on the ball head through threads. The first eccentricity adjusting screws are assembled on first eccentricity adjusting screw seats, and the first eccentricity adjusting screws directly abut against the outer diameter of a die sleeve seat. The total number of the second eccentricity adjusting screws is four, and the second eccentricity adjusting screws are evenly distributed on the circumference of the shell. The machine head can simultaneously extrude three layers and totally three kinds of different or same materials, and meanwhile the machine head supports independent adjustment of eccentricity of each layer in structure.

The invention discloses a computerized numerical control turning center with a flat bed and a slant tool rest. The computerized numerical control turning center comprises a bed body. The bed body is sequentially provided with a principal axis driving mechanism, a workpiece machining mechanism and a tailstock from left to right. The workpiece machining mechanism comprises a Z-axis supporting platewhich is slidably connected with the bed body in the left and right horizontal direction. An X1-axis feeding mechanism and an X2-axis feeding mechanism are arranged on the upper part of the Z-axis supporting plate in sequence, the X1-axis feeding mechanism is slidably connected with the Z-axis supporting plate in the front and back horizontal direction, the X2-axis feeding mechanism is slidably connected with the X1-axis feeding mechanism at a set elevation, and the execution end of the X2-axis feeding mechanism is connected with a power tool tower. The turning center concentrates the advantages of a slant bed lathe and a flat bed lathe on single equipment. A workpiece can be clamped at one time, the normal machining of turning outer circles, end faces, arcs and the like can be completed,and furthermore, milling key grooves in interpolating and indexing modes, drilling holes, milling spiral grooves, milling square holes and the like can be carried out through a C axis, an X1 axis, anX2 axis and a Z axis.

The invention discloses a universal charging device for an unmanned aerial vehicle, and the device comprises a power charger body, a DC-DC module, a voltage adjustment module, a motor speed reductionmechanism, a bar-shaped permanent magnet, and a reed pipe. The device is also provided with a detection circuit, a time circuit, a trigger switch, and a hand-operated power switch. The trigger switchis installed in a charging socket of the charger body, and the DC-DC module, the voltage adjustment module, the detection circuit, the time circuit and the reed pipe are installed at the lower part ofthe interior of the housing of the charger body, and are connected with the motor speed reduction mechanism and the hand-operated power switch through wires. The hand-operated power switch is installed in the front upper end of the housing, and the housing of the motor speed reduction mechanism is installed at the central part of the rear lower end of the interior of the housing of the charger body. A power output shaft of the motor speed reduction mechanism and an adjustment handle sleeve of the voltage adjustment module are sleeved together, and the right end of the bar-shaped permanent magnet is installed at the left side of a connecting pipe. The device can achieve the effective charging of the UAV storage batteries with various voltages, is wider in application range, and brings moreconvenience to a user.

The invention relates to a rotary tillage, ridging, seeding, fertilization and land leveling integrated machine for peanut, which comprises a chassis, rotary tillage blades are arranged at the lower end of the chassis, ridging plates which are fixed on the bottom of the chassis are arranged behind the rotary tillage blades, a movable frame is fixed at the rear end of the chassis and a left hydraulic rod and a right hydraulic rod can extend and retract to raise and lower the movable frame, a left set of seeding unit and a right set of seeding unit are arranged on the movable frame, each set ofseeding unit comprises two seeding boxes, a fertilizer discharge tube is arranged between the seeding boxes, one end of each fertilizer discharge tube communicates with a fertilizer box fixed over thefertilizer discharge tube, and the other end is adjacent to the ground. The rotary tillage, ridging, seeding, fertilization and land leveling integrated machine for peanut integrates equipment of each planting step together, achieving the objective of multiple purposes, moreover, the whole process is highly smooth, the problem of mutual influence does not exist, consequently, a person can carry out the whole planting process, the planting efficiency is greatly increased, labor intensity is deceased, and the rotary tillage, ridging, seeding, fertilization and land leveling integrated machine for peanut has high working efficiency, saves manpower, increases the speed of peanut planting, and increases economic benefit.

The invention discloses a multifunctional fire-fighting trunk which comprises a motor tractor, a frame platform, a power system, a hoisting system, a multifunctional apparatus box, a sand throwing container and trailer assemblies. The hoisting system is mounted on the frame platform through a rotating platform for achieving a crane function; the sand throwing container comprises a box body frame assembly, a feeding system and a scattering system. The box body frame assembly is integrally mounted on the frame platform, and the feeding system comprises one or more spiral conveying assemblies andis mounted in the box body frame assembly; the scattering system comprises a scattering wheel which is mounted at a discharge port of the box body frame assembly and is connected to the power systemto scatter materials; various rescue apparatuses are arranged in the multifunctional apparatus box which is mounted on the frame platform; and the trailer assemblies are mounted on two sides of the frame plate through trailer brackets for achieving a trailer function in a matched manner. The multifunctional fire-fighting trunk has various functions of lifting, fire extinguishing, trailing and thelike and can cope with various sudden fires, so that the rescue quality is improved.