64results about How to "Adjustable up and down position" patented technology

The invention relates to an overturning machine for lifting a roll material. The overturning machine comprises an overturning rack, a lifting overturning plate and an overturning mechanism. The overturning rack comprises a pair of stand columns which are distributed oppositely and vertically arranged. The lifting overturning plate is arranged between the two stand columns, movably matched with thestand columns and driven by a lifting mechanism mounted on the stand columns to ascend and descend along the stand columns. The overturning mechanism drives the lifting overturning plate to be overturned. The overturning machine has the advantages that by means of cooperation among the overturning rack, the lifting overturning plate, the lifting mechanism and the overturning mechanism, the roll material can be fed automatically; the overturning machine is simple in structure; the roll material only needs to be manually delivered to the lifting overturning plate in the whole process; the smallamount of labor work is needed; and the overturning machine is convenient to operate.

The invention provides an air-blowing based cooling type sealing machine structure. The air-blowing based cooling type sealing machine structure comprises a housing seat; a feeding strip is arranged on the right end part of the housing seat; a transition wheel mechanism, a pre-pressing strip mechanism, a thermal forming mechanism, a cooling strip mechanism, a cooling strip mechanism, a compressing wheel mechanism and a discharging wheel mechanism are arranged in parallel at a working station of a first strip and fixedly mounted in the middle part of the housing seat from right to left in sequence; a belt seat and a conveyor are arranged at the front side of the housing seat; a position adjusting seat is arranged at the lower part of the belt seat; an air compressing pump is mounted in the position adjusting seat; an air storing tank is arranged at the left side of the air compressing pump; an air supply pipe that supplies air to the cooling strip mechanism is connected to the air storing tank. The air-blowing based cooling type sealing machine structure is reasonable in design, simple in structure and convenient to use; a pocket opening is automatically conveyed and processed; the upper and lower positions of the conveying belt can be adjusted; cooling can be performed timely; the advantages of tight, firm and regular sealing and good forming effect are brought.

The invention provides a PIV (particle image velocimetry) calibration target support adjustment mechanism which comprises a vertical support adjustment mechanism and a horizontal support adjustment mechanism. The vertical support adjustment mechanism comprises a screw thread adjusting rod, an upper bearer, a lower bearer and an orifice plate used for installing a calibration target. The screw thread adjusting rod goes through a screwed hole of the lower bearer, one end of the screw thread adjusting rod is fixedly connected with the upper bearer, the upper bearer is slidingly installed on the lower bearer, and the orifice plate is fixedly installed on the upper bearer. The horizontal support adjustment mechanism comprises a fixed base plate, a vertical support and an adjusting plate used for installing the calibration target. The vertical support is fixedly installed on the fixed base plate and is opened with a vertical groove, and the adjusting plate is slidingly installed in the vertical groove. The PIV calibration target support adjustment mechanism has the characteristics of capability of reducing calibration difficulty, high adjusting efficiency and small space occupancy.

The invention belongs to the technical field of sewing equipment, and particularly relates to a laser cutting placket machine. The laser cutting placket machine comprises a sewing machine head, a machine rack, a platen, a presser foot component capable of pressing cloth and driving the cloth to move left and right, and a laser component used for cutting the cloth. The sewing machine head and the laser component are arranged on the same transmission component, and the transmission component is used for driving the sewing machine head and the laser component to move front and back and is arranged on the machine rack. The sewing machine head and the laser component of the laser cutting placket machine share the same driving mechanism, so that the control mode is greatly simplified, control is easier, and cost is lower.

The invention discloses a split, adjustable and splash-proof range hood with low noise and energy saving. A range hood cover is separated with a draught fan and is connected with the draught fan through a soft air hose and a hard air hose; the draught fan is installed away from a cooking bench or is installed outdoor; a vertical shaft and a horizontal shaft are added; the horizontal shaft can move along the vertical shaft; each of the two ends of the horizontal shaft is provided with a casing which can move left and right and can rotate along the horizontal shaft; connecting plates are arranged at the lateral sides of the casings; a fume hood is fixed on the connecting plates; and in such way, the fume hood can move left and right and up and down or rotate along the horizontal shaft. A screw rod and a motor can also be added to drag the horizontal shaft to move up and down. According to the invention, the split, adjustable and splash-proof range hood with low noise and energy saving has the advantages that influences on physical and mental health of a user caused by noises of the draught fan and the electromagnetic radiation can be avoided; an exhaust opening with the biggest suction of the fume hood can be directly aiming at a frying pan and can be lowered to almost cover the frying pan, so the power of the draught fan can be reduced; the fume hood can also rotate, so splash of hot oil can be prevented; and the cheap fume hood can be made into various shapes with different patterns and is easy to be disassembled for washing and replacing.

The invention relates to the technical field of mechanical equipment, in particular to a grinding and polishing device, including a base. The device is provided with a mounting chassis under the grinding disc, and a plurality of movable mounting rods are movably installed inside the mounting chassis, and the first gears on both sides of the movable mounting rod The meshing transmission with the sawtooth on the movable installation rod can realize the up and down movement of the movable installation rod, so that the upper and lower positions of the movable installation rod and the mold core mounting plate on the top can be adjusted, and pass through the two sides of the mold core mounting plate The meshing transmission between the sawtooth on the movable connecting rod and the second gear can realize the horizontal movement of the movable clamping plate and achieve the fixed clamping effect on the mold core. In this way, the mold core can be changed on the movable mounting rod The height adjustment on the top can realize the same height of the surface to be ground of the mold cores on different movable installation rods, so that multiple mold cores with different thicknesses can be ground and polished on the same installation chassis at the same time, which can be effectively Improve work efficiency.

The invention discloses a welding tool for a rear baffle of a vehicle body, and belongs to the technical field of manufacturing of automobiles. The welding tool comprises at least two supporting rods, wherein the at least two supporting rods pass through sliding blocks at the lower end and are oppositely vertically arranged into a chute in a base; the chute is in the same direction as the length direction of the base; workpiece clamps oppositely extend out from the upper ends of the supporting rods and are glidingly connected with the supporting rods through workpiece clamp locking screws. The welding tool can solve the problems of difficult overturning of cylinder, inconvenient operation and high cost in welding of the rear baffle of the existing vehicle body.

The invention discloses an electrodynamic force supply highway traffic system and an electrodynamic force acquisition method. The system comprises a road network power accumulation station network which comprises a live line (201), null lines (202) and a plurality of road network power accumulation stations. The live line (201) is erected over a road, the null lines (202) are erected over the roador laid on the road, and the road network power accumulation stations are connected through a road network power supply circuit, provides electrodynamic force for electric vehicles running on the road through the line (201) erected over a road and leads current out to the null lines (202) erected over the road or laid on the road. The electrodynamic force supply highway traffic system and the electrodynamic force acquisition method have advantages that power supply of common electric vehicles is realized, high-voltage safety power consumption of the electric vehicles is realized, automatic accessing and releasing of the electric vehicles are benefited, and the requirement of the vehicles running on expressways can be met.

The invention discloses a novel protection dam and a protection method thereof, and relates to the technical field of flood prevention and flood fighting. The protection dam comprises a vertical column assembly, baffles and power devices. The column assembly comprises a plurality of convex vertical columns. The baffles are arranged on every two protruding parts of the convex vertical columns in ahanging mode. Each of the baffles comprises one or more folding plates, and is formed by mutual hinged connection of hinge assemblies. Collision-proof rubber layers are arranged on the outer sides ormiddle positions of the folding plates. Each of the hinge assemblies comprises a rotating shaft and a gear mounted on the rotating shaft. Each of the folding plates is provided with one or more sets of power devices. The power devices are arranged at the connecting positions of every two folding plates. Each set of power device includes a motor and a gear at the output end of the motor. The gearsat the output end of the motors mesh with the gears on the rotating shafts of the hinge assemblies. The folding and unfolding of the baffles are realized by the power devices. According to the novel protection dam and the protection method thereof, the problems of large engineering load, limited height, and being unable to block the flood current with a large amount of water and high water level of an existing conventional protection dam are solved.

The invention discloses a nail ordering machine for steel nails and a control method thereof, and belongs to the technical field of nail ordering machines. The technical problem to be solved is to provide a nail ordering machine for steel nails, which is high in automation degree and high in finished product quality. The following technical scheme is adopted: according to the nail ordering machine for the steel nails, a charge drum is fixed on a support; an inclined groove is arranged in the charge drum; the tail end of the inclined groove is connected with an inclined nail ordering rail; one end of the inclined nail ordering rail is located in the charge drum, and the other end of the inclined nail ordering rail is connected with a horizontally-arranged flat rail; a baffle is arranged at the middle of the inclined nail ordering rail; adhesive outlet ports of an adhesive outlet device are arranged in the two sides of the flat rail; and a nail cutting device is installed at the tail end of the flat rail. The nail ordering machine for the steel nails further comprises a nail receiving mechanism, a nail filling device and a nail beating mechanism, wherein an automatic control mechanism is further arranged in the adhesive outlet device. The nail ordering machine for the steel nails, which is disclosed by the invention, realizes high automation, and operation and control for one machine can be easily completed only by one person, thus the labour intensity of workers is reduced, the labour cost is saved, and the finished product quality is further improved.

The invention discloses an unmanned mine drilling and blasting trolley. The unmanned mine drilling and blasting trolley comprises a trolley body. A working cavity is formed in the trolley body, an auxiliary motor is fixedly arranged in the rear wall of the working cavity, and the front end of the auxiliary motor is in power connection with a main shaft. The front end of the main shaft is rotationally connected to the front wall of the working cavity, and a base is rotationally connected to the main shaft. A notch with an upward opening is arranged in the base, and left axles are rotationally connected between the front end of the left side of the base and the front wall of the working cavity and between the rear end of the left side of the base and the rear wall of the working cavity. Thetrolley can automatically move to the position needing to be blasted to conduct punching and explosive filling operation, manual operation is not needed, and the construction safety is guaranteed. When a drill bit is used for drilling, the drill bit can be adjusted in all directions, and multi-angle drilling is facilitated.

The isostatic pressing detector comprises a high-pressure detection water tank, a lifting device is arranged on one side of the high-pressure detection water tank, a lifting plate is installed on a lifting rod of the lifting device, the lifting plate extends to the position above the high-pressure detection water tank, and the high-pressure detection water tank is connected with the lifting device. The lower end face of the lifting plate is further provided with a sealing cover corresponding to the high-pressure detection water tank in position, and the sealing cover can seal the whole high-pressure detection water tank after moving downwards along with the lifting plate. The gas-liquid booster pump is used for pressurization, the ceramic honeycomb carrier in the high-pressure detection water tank is pressurized and crushed through continuous pressurization, the pressure detection sensor detects pressure data changes, isostatic pressing data of the honeycomb ceramic carrier can be conveniently confirmed through cooperation of multiple aspects, the overall structure is reasonable in arrangement, and use is convenient.

The invention provides a safety device of a construction elevator. The safety device comprises a fixed mount, a connecting beam hinged to the fixed mount, a spring steel plate and a trigger plate hinged to the fixed mount, wherein one end of the spring steel plate is fixedly connected with the fixed mount, and the other end is connected with the connecting beam in a sliding manner; the fixed mount is provided with a rising switch, a descending switch and a limiting block, the trigger end of the rising switch is connected with the trigger plate, the trigger end of the descending switch is positioned above the middle part of the spring steel plate, and the limiting block is positioned below the spring steel plate and adjacent to one end, connected with connecting beam in the sliding manner, of the spring steel plate; the trigger plate is provided with a trigger bolt, the trigger bolt is positioned above the connecting beam, and the trigger plate is connected with a height-limiting pole through a lift rope; the connecting beam is connected with the steel lift rope. The safety device of the construction elevator is simple in structure and low in cost, and integrates the functions of limiting weight, limiting height and preventing rope from loosening.

The invention provides a rust removal guiding device, and belongs to the technical field of steel bar truss machines. The device comprises a dust removing mechanism, a returning mechanism and a rust removal clearance adjusting mechanism; a first rust removing wheel of the rust removing mechanism is rotatably arranged at one side of a first rust removing wheel support; a second dust removing wheel is rotatably arranged at one side of a second dust removing support; a first sector gear connected with a first rotating shaft is engaged with a second sector gear which is connected with a second rotating shaft; a cylindrical sliding block of the returning mechanism is arranged in a fixing support by sliding leftwards and rightwards; a left returning spring is arranged between a left adjusting plug and the cylindrical sliding block, and while a right returning spring is arranged between the right adjusting plug and the cylindrical sliding block; a clearance adjusting plate of the dust removal clearance adjusting mechanism can swing up and down about a hinging point at the left end; the lower end of a compressing lead screw is in coaxial threaded connection with the second rotating shaft; a butterfly gasket, an adjusting spring and a locking nut are arranged at the upper end of the compressing lead screw. The rust removal guiding device is small in size, and can effectively remove rust on a steel bar.

The invention provides a production process of a wormwood fiber and wool fiber blended yarn, and belongs to the technical field of textile. The production process comprises the following steps of 1, wool pretreatment; 2, carding the wool, namely carding the pretreated wool in a carding machine, and removing impurities; 3, drawing, namely drawing the carded wool and wormwood fibers by using a drawing frame to form blended strips; 4, drawing and grinding strips, namely, drawing and grinding the blended strips formed after drawing by using special drawing and grinding strip equipment; 5, roving,wherein roving processing is conducted on reinforced blended strips formed after drawing and grinding; 6, spinning, wherein spinning processing is conducted on the mixed yarn formed through roving processing; 7, yarn steaming, wherein the yarn obtained after spinning processing is subjected to yarn steaming treatment; and 8, performing spooling. By adopting a special process, the strength of the wormwood fiber and wool fiber blended yarn is greatly improved, and the service life of the wormwood fiber and wool fiber blended yarn is prolonged.

The invention discloses a multifunctional juicer, and relates to the technical field of household appliances. A first mounting opening provided with a first top cover is formed in the top of a juicingchamber, the upper end of a filter screen is fixed to the first top cover, and a bottom plate is arranged at the lower end of the filter screen; a torque transmission shaft is installed on the bottomplate, the upper end of the torque transmission shaft is in key connection with a tool bit, and the lower end of the torque transmission shaft is in key connection with the torque output end of the motor. The first top cover is provided with a second mounting port leading into the filter screen from top to bottom, the second mounting port is provided with a second top cover, and the second top cover is connected with a pressing plate with pricking cones through a length-adjustable connecting rod; a driving chamber is provided with vent holes, and fan blades are installed on a rotating shaft of the motor. When the juicer is used for juicing, the fan blades rotate to generate wind, and then the circuit board and the motor can be cooled; the pressing plate can downwards apply proper pressureto the fruits and vegetables in the filter screen, so that the juicing efficiency can be manually improved; all structural components in the juicing chamber can be taken out from the first mounting opening, and disassembly and assembly are convenient, and maintenance is facilitated.

The invention relates to a flaring test tool which comprises a support and an ejector core, the support is provided with a supporting part used for positioning and supporting a sample upwards, and an ejector core penetrating hole is formed in the position, above the supporting part, of the support; the ejector core is guided to penetrate into the ejector core through hole in the vertical direction, the ejector core comprises a flaring conical head at the lower end, the flaring conical head is used for being jacked into a sample, the sample is flared by the flaring conical head when the ejector core moves downwards relative to the sample, and the upper end of the ejector core is located above the upper end face of the support; the flaring test tool further comprises a limiting stop piece arranged on the ejector core, and the limiting stop piece is used for being in stop fit with the upper end face of the support in the vertical direction so as to limit the downward movement stroke of the ejector core relative to the sample. Before a test, the distance between the limiting stop piece and the upper end face of the support only needs to be guaranteed to be a set value, it can be guaranteed that the flaring amount of the sample is consistent with the preset flaring amount, horizontal limitation of operators is avoided, and use is more convenient.

The invention discloses a flexible adjustable electric steamer. The electric steamer comprises a bottom pot body, wherein the bottom pot body is provided with a water holding cavity and a heater which is positioned under the water holding cavity and arranged close to the water holding cavity; a first dish steaming layer is arranged at the upper part of the water holding cavity, and comprises a side plate and a bottom plate with steaming holes; four supporting columns are uniformly arranged on the edges of the upper surface of the bottom plate, and a movable steaming hole plate is supported against the top ends of the four supporting columns; each supporting column comprises a lower hollow supporting column section and an upper movable supporting column section; the lower end of each lower hollow supporting column section is fixed on the bottom plate, and inner threads are formed in the inner surface of each lower hollow supporting column section; outer thread are formed in the outer surface of each upper movable supporting column section; and the upper movable supporting column section is in screwed connection into the correspondingly lower hollow supporting column section. By adopting the mode, the flexible adjustable electric steamer is simple and reasonable in structure, and is flexible and practical since the position of the movable steaming hole plate can be adjusted up and down.