106results about How to "Less likely to get stuck" patented technology

The invention discloses a U-shaped pipe landing leg punching tool, which is characterized in that a U-shaped pipe locating assembly and two side punching assemblies are arranged on the top surface of a horizontal bottom plate, wherein the side walls of a U-shaped pipe locating sleeve in the U-shaped pipe locating assembly are provided with punch via holes, the two side punching assemblies are symmetrical about the U-shaped pipe locating sleeve, a slider in each side punching assembly can slide left and right, the top surface of each slider is fixedly provided with a declivity wedge and a punch stopper, the end face, close to the U-shaped pipe locating sleeve, of each punch stopper is provided with a punch, a punching die is arranged right above the horizontal bottom plate, when the punching die downwards moves, two acclivity wedges push the two declivity wedges in the two side punching assemblies to simultaneously move towards the opposite direction, so that the two sliders can drive the two punches to simultaneously move towards the opposite direction. The U-shaped pipe landing leg punching tool can be used for well locating a U-shaped pipe and further machining holes in landing legs of the U-shaped pipe in a side punching manner, since the U-shaped pipe can be precisely located via the operation, the height error of machined holes in the two landing legs of the U-shaped pipe can be effectively eliminated.

The invention relates to an oil charging and semi-linkage-point self-learning method of a double-clutch automatic transmission. After an oil charging control module receives an oil charging command, the oil charging control module receives a present oil temperature detected by a sensor, and divides the oil charging pressure of a clutch into set phases according to the present oil temperature; and then, the oil charging control of the clutch is finished by an oil pressure step ascending mode. The method adopts an interpolation segmented ascending step oil charging method to reduce the clutch pressure impact problem and to prolong the service life of a hydraulic actuation unit; as the oil charging pressure is equally divided, the moving amplitude of an electromagnetic valve is relatively lower, the blockage is not easy to generate, the service life is prolonged, and the fault generation frequency is reduced; and meanwhile, the method is higher in response speed and precision.

The invention discloses an inner-channel vehicle suspension system magnetorheological damper, which comprises a cylinder barrel; a combined electromagnetic piston and a floating piston are arranged in the cylinder barrel in sequence from top to bottom; the combined electromagnetic piston divides the cavity chamber above the floating piston into an upper cavity chamber and a lower cavity chamber, which are filled with magnetorheological fluid; a bottom cover is arranged at the bottom end of the cylinder barrel; the bottom cover is respectively fixedly connected with an inflating and deflating valve and a lower lifting ring; a guide seat is arranged at the upper end of the cylinder barrel; the upper end of the guide seat tightly covers an upper end cover pressing the guide seat; the lower end of the guide seat is fixedly connected with a buffering block; the combined electromagnetic piston is fixedly connected with a piston rod penetrating through the guide seat and the upper end cover to extend outwards; the outer end of the piston rod is fixedly connected with an upper lifting ring of which the inside is provided with a wire outgoing groove. The inner-channel vehicle suspension system magnetorheological damper is simple in structure and low in manufacturing cost, can accurately adjust vehicle vibration generated by random excitation of a road face, and is high in work efficiency and work stability; the floating piston is enabled not to be clamped in the moving process up and down, and is stable when being used for pressure compensating; the liquid cannot easily leak in the work process.

The invention discloses a crawler-travelling whole-stalk clamping type sugarcane harvester comprising a harvester body and a harvesting mechanism. The harvesting mechanism comprises sugarcane lifters, a clamping device, a cutter device, a sugarcane tip cutting device, a primary feeder, a secondary feeder, a passage device and a fan device, wherein the clamping device comprises a left rail assembly and a right rail assembly, the cutter device is mounted at the front ends of lower rails, the sugarcane lifters are mounted at the front ends of upper rails, the sugarcane tip cutting device is positioned at the tail ends of the upper rails, the primary feeder is positioned between the upper rails and the lower rails, the secondary feeder is positioned at an inlet of the passage device, and the fan device is arranged above an outlet of the passage device. The crawler-travelling whole-stalk clamping type sugarcane harvester is capable of clamping sugarcanes sequentially to avoid clamping stagnation and enhancing detrashing and tailing effects to enable the sugarcanes to be harvested more completely.

The invention discloses a shelter lifting mechanism which comprises a movable supporting rod arranged inside a sleeve and a driving device for driving the movable supporting rod and the sleeve to move relatively. The sleeve is provided with a first chain wheel and a second chain wheel. The first chain wheel is arranged above the second chain wheel, a chain is connected between the first chain wheel and the second chain wheel in matching mode, the chain is arranged inside the sleeve, the driving device drives the chain to lift inside the sleeve, and the chain drives the movable supporting rod to lift inside the sleeve. The chain is adopted for driving the movable supporting rod to lift relatively in the sleeve, transmission speed ratio is large, lifting speed is high, the efficiency is high, the cost is low, manufacture and installing are convenient, and the shelter lifting mechanism is especially suitable for severe environments such as a sandy and windy environment and safe and reliable.

The invention relates to a nursing bed. The nursing bed comprises a bed frame, wherein a mattress is arranged on the upper side of the bed frame and comprises a backrest cushion, a fixed cushion, a thigh supporting cushion and a shank supporting cushion, one end of the backrest cushion is rotationally fixed with the fixed cushion, one end of the thigh supporting cushion is rotationally fixed withthe fixed cushion, the shank supporting cushion is rotationally fixed with the other end of the thigh supporting cushion, the fixed cushion is fixed with a mattress frame, the mattress frame is supported and connected onto the bed frame in a manner of horizontally rotating around the vertical axis, and the shank supporting cushion is connected with a leg support driving mechanism for overturning the shank supporting cushion. The nursing bed has the advantages that the use and operation steps are fewer, the use comfort is higher, and the mattress is more stable and not prone to inclination during use.

The invention provides a roller washing machine, which comprises a box body, an outer barrel and a motor; the outer barrel is installed in the box body, and a first buckling part is arranged on the outer barrel; a second buckling part matched with the first buckling part is arranged on the motor, and buckled with the first buckling part, thus the motor is buckled with the outer barrel. Theroller washing machine applies the buckling cooperation of the first buckling part and the second buckling part to realize the buckling and fixing of the motor and the outer barrel, and replace the method of fixing the motor by two bolts in the prior art, thus the installing difficulty of the motor is significantly reduced, the motor installing time is shortened, and the production efficiency of the roller washing machine is improved; meanwhile, the buckling method is convenient to dismount, and can be operated manually without tools; therefore, an inner cylinder system is not required to move, the labor force and materials are saved; moreover, damage of the washing machine cannot be caused by drawing internal leads and colliding to the spare parts at the inner part, the dismounting and repairing in the late period are facilitated.

The electronic component processing equipment comprises a machine body, a knocking device and a material storage device, the knocking device is arranged on the inner wall of the machine body and close to the bottom, the material storage device is arranged in the machine body and close to the knocking device, and a curved surface supporting column is fixed to the end, away from the inner wall of the machine body, of the top of a base. The striking device is arranged at the top of the curved-surface supporting column, the arc-shaped elastic piece is arranged between the two sides, corresponding to the surface of the curved-surface supporting column, of the surface of the striking device, the bottom end of the supporting and jacking piece is hinged to the top of the curved-surface supporting column, and the arc-surface striking head is fixed to the top end of the supporting and jacking piece. According to the electronic component processing equipment and method, the rapid drying effect is achieved, sheet parts are not prone to adhesion and accumulation, rapid and thorough drying can be conducted, follow-up use is facilitated, safety and reliability are achieved, and the working efficiency and the use performance are improved.

The invention discloses a floating planetary gear train structure for a miniature precise planetary reducer. The floating planetary gear train structure comprises a planetary carrier, a high-speed sungear, a low-speed sun gear, a planetary gear set and an inner gear ring, wherein the high-speed sun gear is meshed with the planetary gear set, the inner gear ring is meshed with the planetary gear set, the planetary carrier is in a cage type structure, and the planetary gear set is arranged on the cage type planetary carrier in a floating mode to automatically adapt to the central distance and the matching clearance; the floating planetary gear train structure further comprises a gasket, and the two ends of the planetary gear set are correspondingly limited by the cage type planetary carrierand the gasket to limit the axial movement of the planetary gear set. The floating planetary gear train structure for the miniature precise planetary reducer is exquisite and compact in structure, aU-shaped stepped slot and an annular open slot are designed on the cage type planetary carrier, planetary gears are mounted on the U-shaped stepped slot in a rotating floating mode through pin shaftsand needle bearings so as to automatically adapt to the central distance and the matching clearance, so that the loads of all the planetary gears are uniform, the meshing transmission of the sun gear,the planetary gear and the inner gear ring is ensured, the operation is smooth, the noise and the temperature rise are reduced, the problems of blockage or unbalance are solved, and the reliability is high.

The invention discloses a hydraulic buffer base for a lathe, and relates to the technical field of lathes. The hydraulic buffer base for the lathe comprises a base; the upper surface of the base is fixedly connected with hydraulic rods; two hydraulic rods are provided; the top ends of the two hydraulic rods are fixedly connected with the lower surface of a fixed plate; two slide sleeves are clamped on the lower surface of the fixed plate; slide rods sleeve the inner surfaces of the slide sleeves; the bottom ends of the slide rods are fixedly connected with the upper surface of the base; and the top ends of the slide rods are fixedly connected with lower surfaces of limiting blocks. In the hydraulic buffer base for the lathe, through cooperation of the hydraulic rods, the slide rods, the slide sleeves, springs, the limiting blocks, rotating shafts, bearings, a first handle, a second handle, thread columns and thread caps, the service life of a lathe main body is prolonged, the noise generated during working of the lathe main body is lowered, the working environment of workers becomes more comfortable, and the working efficiency of the workers is improved.

The invention discloses an apparatus for preventing blood coagulation of a blood transfusion bag or a blood transfusion bottle, and belongs to the technical field of medical instruments. The apparatuscomprises a shell, a driving device is fixedly connected to the lower surface of the inner wall of the shell, and a driving wheel is arranged at the top end of the driving device. According to the apparatus for preventing blood coagulation of the blood transfusion bag or the blood transfusion bottle, a motor, a driving pulley, a reaction box, a supporting rod, a sliding groove and a spring are matched with one another, when a medical worker places a blood bag in the reaction box, the medical personnel only need to start the motor, the motor drives the driving wheel to rotate, the pulley tightly clings to the surface of the driving wheel to slide, and at the moment, the reaction box can repeatedly move left and right under the action of the motor and the spring, so that the apparatus can fully mix the blood and an anticoagulant in the blood bag, and under the state that cooling equipment is started, hemoglobin in the blood is not prone to necrosis and damage, and a patient is not proneto using the damaged blood.

The ceramsite particle forming device comprises a machine body, a profiling roller, a sorting device, a screening device and a poking device, the poking device is arranged in the machine body and close to the top of the screening device, and an arc-shaped elastic plate is arranged between the surface of a driving roller and the two corresponding sides of the surface of the driving roller. The comb tooth device is arranged on the surface of the cambered surface connecting plate and is away from one end of the driving roller, the top end of the comb tooth body is fixedly connected with the surface of the cambered surface connecting plate, the air injection hole is formed in the comb tooth body and is located in the surface position, and the air injection hole communicates with the air outlet end of the bag body; the invention relates to the technical field of ceramsite particle production. According to the ceramsite particle forming device, the rapid drying effect is achieved, rapid drying can be achieved, particle forming, sorting and drying are integrated, meanwhile, the situation that particles adhere to one another is not prone to occurring, blocking is effectively prevented, safety and reliability are achieved, and the working efficiency and the use performance are improved.

A toothed rack angle lapping machine comprises a transverse traveling mechanism. A rack placement frame is arranged on one side of the transverse traveling mechanism and provided with a rack placement station parallel with the traveling direction of the transverse traveling mechanism. A grinding wheel machine is arranged above the rack placement station. The transverse traveling mechanism drives the grinding wheel machine to travel transversely. The grinding wheel machine is connected with a swinging shaft and controlled by elastic force. Under the action of the elastic force, the grinding wheel machine has the trend of rotating around the swinging shaft and enabling a grinding wheel piece to get close to the rack placement station. According to the toothed rack angle lapping machine provided in the scheme, a rack subjected to heat treatment is subjected to finish angle lapping by adopting a copying following principle, the machining accuracy is high, the consistency is high, and time and labor are saved.

The invention discloses a material pneumatic conveying system driven by multiple piston sheaths, comprise a conveying line unit and a driving air source unit. A material to be conveyed is disposed inside the conveying line unit. The driving air source unit is communicated with the conveying line unit so as to produce positive/negative pressure in the conveying line unit, more than two piston sheaths fitting a conveying line are also disposed inside the conveying line unit, the material to be conveyed is disposed between adjacent two of the piston sheaths and lies in contact with the axial ends of both piston sheaths, and the piston sheaths move in the conveying line unit under the action of the driving air source unit so as to drive the material to be conveyed, for pneumatic conveying. This system has the advantages of good compatibility, low cost of use, conveying convenience and quickness, high safety and the ability to ensure physical features of a sample and precision.

The invention discloses a horizontal loading and taking robot and an operating method thereof. The robot comprises a base, an X-axis mechanism mounted on the base, a Y-axis mechanism slidably connected to the X-axis mechanism and a Z-axis mechanism slidably connected to the Y-axis mechanism, wherein the X-axis mechanism comprises an X-axis main body mounted on the base, an X-axis slide rail arranged on the X-axis main body and an X-axis driving device which drives the Y-axis mechanism to slide on the X-axis slide rail; the Y-axis mechanism comprises a Y-axis slide seat slidably connected to the X-axis slide rail, a Y-axis main body fixedly connected to the Y-axis slide seat, a stud sorter mounted on the X-axis main body, a Y-axis slide rail arranged on the Y-axis main body and a Y-axis driving device which drives the Z-axis mechanism to slide on the Y-axis slide rail; the Z-axis mechanism comprises a Z-axis slide seat slidably connected to the Y-axis slide rail, a Z-axis main body fixedly connected to the Z-axis slide seat, a Z-axis motor which is mounted in the top of the Z-axis main body and drives the Z-axis main body to lift perpendicularity and an emptying mechanism mounted in the bottom of the Z-axis main body. Therefore, manual work is replaced.

The invention discloses an open end wrench capable of being wrenched to and fro. The open end wrench comprises a body which is provided with a grip jaw; a sliding chute is formed in the grip jaw; a chute body of the sliding chute can be processed at one time; a sliding block can slide along an arc in the sliding chute and is provided with a guide slot through which a guide column can pass to ensure a structure is reinforced and does not fall off easily; two sides of a first wrenching plane of the sliding block are provided with a first expanding surface respectively; a first jaw and a second jaw of the clamping jaw, the first wrenching plane of the sliding block and an inner circle diameter formed between two expansion surfaces can rotate relative to an axis position of a working substance and do not generate clamping interference; and the areas of the expansion surfaces of the two sides of the sliding block are expanded outward from the first wrenching plane to two side walls of a first support wall and a second support wall of the body, so the contact area of the first wrenching surface and a fourth forward-direction stress surface of the contacted working substance is increased.

The invention discloses an anti-clamping flushing-resistance material door. The anti-clamping flushing-resistance material door includes an upper fixed valve plate, a lower fixed valve plate and a rotating valve plate which can circumferentially rotate in a reciprocating mode. Through-flow holes are formed in the upper fixed valve plate, the lower fixed valve plate and the rotating valve plate, and the through-flow holes on the upper fixed valve plate and the lower fixed valve plate correspond to each other in the flowing direction and are separately used as a feeding inlet and a discharging outlet. Opening and closing of the material door are realized by rotating the rotating valve plate, specifically, when the rotating valve plate is rotated, the through-flow hole on the rotating valve plate shears the through-flow holes on the upper fixed valve plate and the lower fixed valve plate and gradually blocks and closes the material door; and when the rotating valve plate is rotated, the through-flow hole on the rotating valve plate gradually communicates with the through-flow holes on the upper fixed valve plate and the lower fixed valve plate to open the material door. A buffer partis arranged on the inner wall of a feeding pipe connected with the through-flow hole of the upper fixed valve plate. The invention further provides a use method of the anti-clamping flushing-resistance material door. Opening and closing of a material pipeline are realized through shearing action, the phenomenon of material clamping and clamping of the material door is avoided, and flushing of thematerial to the material door and the pipeline is further reduced through the buffer part.

The invention discloses a hip self-adaptive office chair. The hip self-adaptive office chair comprises a seat; a sponge cushion is arranged on the seat; a backrest is arranged on the back side of theseat; supporting legs are arranged at the bottom of the seat; a plurality of counterbores are formed in the upper end face of the seat; seat adjusting modules are arranged in the counterbores; each seat adjusting module comprises a cylinder body fixedly arranged in each counterbores; hydrolytic oil and a piston are arranged in the cylinder body; a through hole is formed in the piston; a pressure spring connected with the cylinder body is arranged below the piston; the piston is fixed with a supporting plate positioned above the cylinder body through a piston rod; a universal rotating plate isarranged above the supporting plate; the supporting plate and the universal rotating plates are connected through a plurality of springs; the sponge cushion is arranged on the universal rotating plate. The hip self-adaptive office chair can fit and support the hip in different sitting postures well and has the advantage of delaying fatigue of office staff.