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132results about How to "Guaranteed synchronous motion" patented technology

Super-lifting winch control method and system for crane

The invention discloses a super-lifting winch control system for a crane. The crane comprises a telescopic main arm, which is in connection with a super-lifting arm. The control system comprises: a detection device, which is in connection with the main arm and the super-lifting arm, and is used for detecting an included angle of the super-lifting arm and the main arm and acquiring the main arm length and the main arm telescopic speed; a controller, which is in connection with the detection device, and is used for acquiring a current value required by a proportional electromagnetic valve for controlling winch flow at the same time of winch contract and release and main arm stretching and contraction according to the included angle, the main arm length and the main arm telescopic speed, and sending an instruction of outputting the winch flow according to the required current value; and an output device, which is in connection with the controller and is used for receiving and outputting the instruction of the controller. The control system can make the steel wire rope contraction and release speed by winch adapt to stretching and contraction of the main arm, so that the steel wire rope and the main arm can achieve synchronous motion. The invention also discloses a super-lifting winch control method corresponding to the system, and the method can reach the same effect.
Owner:XUZHOU HEAVY MASCH CO LTD

Artificial board surface defect online detection device based on synchronous principle

ActiveCN108341230ATo achieve the effect of reciprocating motionTo achieve the effect of "synchronization"ConveyorsMaterial analysis by optical meansMachine visionElectric machinery
The invention relates to an artificial board surface defect online detection device based on the synchronous principle and belongs to the technical field of wood detection devices. According to the artificial board surface defect online detection device based on the synchronous principle, an encoder obtains instantaneous speed of a to-be-detected artificial board on a to-be-detected artificial board conveyer belt and conveys the instantaneous speed to a controller, whether the to-be-detected artificial board enters a shooting area or not is judged through a trigger switch, the controller sendsinstructions to a motor according to a detection signal to drive driven pieces including a camera to move at the speed identical with that of the to-be-detected artificial board, in the movement process, the camera completes shooting of the to-be-detected artificial board, images are then transmitted to a computer, defect discrimination is conducted on the obtained images through a processing algorithm, and meanwhile the camera can automatically return to the original position under the action of the resilience of a spring and gets ready for next shooting. The artificial board surface defectonline detection device based on the synchronous principle eliminates image motion blur fundamentally, solves the problems that according to traditional blurred image deblurring, a processing algorithm is complicated, consumed time is long and achieves machine visual online detection of surface defects of the to-be-detected artificial board.
Owner:INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY

Crank-arm-type overhead working truck connector levelling hydraulic system

The invention discloses a crank-arm-type overhead working truck connector levelling hydraulic system which comprises a traveling oil pump, a hydraulic oil tank, a pressure oil pump, an electromagneticreversing valve, a connector levelling oil cylinder and a folding-arm amplitude-change oil cylinder. An oil inlet P, a working port A, a working port B and a return port T are formed in the electromagnetic reversing valve. The oil inlet P and the pressure oil pump communicate, and the return port T and the hydraulic oil tank communicate. A rod cavity of the folding-arm amplitude-change oil cylinder communicates with a rodless cavity of the connector levelling oil cylinder through a first connecting pipeline, and the working port A communicates with a rodless cavity of the folding-arm amplitude-change oil cylinder through a second connecting pipeline. A rod cavity of the connector levelling oil cylinder communicates with the working port B through a third connecting pipeline. An oil compensating loop is arranged on the first connecting pipeline, one end of the oil compensating loop communicates with the first connecting pipeline, and the other end of the oil compensating loop communicates with the traveling oil pump. Synchronous movement of the folding-arm amplitude-change oil cylinder and the connector levelling oil cylinder is effectively kept, and the crank-arm-type overhead working truck connector levelling hydraulic system is applied to the field of hydraulic control.
Owner:HUNAN SINOBOOM HEAVY IND

Hydraulic piling machine pile controller

The invention discloses a hydraulic piling machine pile controller which comprises a pile controller box body and a pile controller verticality adjusting mechanism connected with the pile controller box body. The pile controller box body comprises a control box body. A left swing arm hinge lug and a right swing arm hinge lug are arranged on the two sides of the control box body in a mirror-image mode. Clamping mechanisms are arranged on the left swing arm hinge lug and the right swing arm hinge lug. The pile controller verticality adjusting mechanism comprises a lower flange disc matched with the control box body in a rotating mode. The lower flange disc is connected with an upper flange disc through a periphery-arranged bolt. A longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder is arranged on one side of the lower flange disc. One end of the longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder is connected with a first longitudinal-shaft-surrounding verticality adjusting hydraulic cylinder hinge lug fixed at the bottom of the lower flange disc. The hydraulic piling machine pile controller is simple in structure, a left swing arm and a right swing arm are used for clamping and guiding a precast pile, the whole transmission structure stability and reliability are guaranteed, guiding performance is high, when a first pile is implanted, clamping locating is carried out through the pile controller, a guiding function is achieved during a precast pile implanting process, when a following pile is implanted, clamping of the ends of the two precast piles can be carried out through the pile controller, and coaxial connecting between the piles is carried out.
Owner:ZHONGBEI UNIV

Telescopic component and support for engineering machinery and concrete pump vehicle with the support

A telescopic component used for construction machinery, a telescopic support leg and a concrete pump truck composed of the component. The telescopic assembly includes a telescopic sleeve assembly, and the sleeve assembly is equipped with a screw mechanism and a stop device. The screw mechanism includes a prime mover, a circular shaft and a hollow cylinder, and the circular shaft and the hollow cylinder are threaded, or between the circular shaft and the hollow cylinder Set the middle hollow shaft group, the middle hollow shaft group is composed of the middle hollow shaft with internal and external threads, the two ends of the middle hollow shaft group are respectively screwed with the round shaft and the hollow tube, the prime mover is connected with the end of the round shaft or the hollow tube connection, the prime mover is fixed at one end of the sleeve assembly, and the other end of the sleeve assembly is fixedly connected with the end of the screw mechanism where the prime mover is not installed. The telescopic part of the telescopic outrigger is composed of the telescopic assembly, and one end of the telescopic outrigger is provided with a supporting foot assembly, and the other end is connected with the bracket on the chassis of the construction machine. The telescopic outrigger is installed in the supporting part of the concrete pump truck. The invention has the advantages of simple structure, convenient manufacture and low cost.
Owner:SANY AUTOMOBILE MFG CO LTD

Household appliance and door assembly thereof

The invention provides a household appliance and a door assembly thereof. The door assembly comprises a door plate and a door handle, wherein a handle groove used for containing the door handle is formed in the door plate, the door handle is arranged at the handle groove, is matched with the shape of the handle groove and can move back and forth relative to the door plate so as to extend out of orretract into the handle groove. According to the door assembly, the handle groove is formed in the door plate, the door handle is movably arranged at the handle groove, the door handle can retract into the handle groove when not being used, so that the effect of hiding the door handle is achieved, the whole door board is smooth, attractive and elegant, and the attractiveness of the product is improved; meanwhile, the phenomenon that a user can be easily scratched due to the fact that the two ends of certain door handles are protruded in the prior art is also avoided, and the use experience ofthe user is improved; and when the door handle needs to be used, the door handle can extend out of the handle groove so as to protrude out of the surface of the door plate, it is guaranteed that theuser can hold the door handle by hand to carry out door opening, door closing and the like, so that the corresponding functions of the door handle is realized.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Anti-blocking molybdenum powder processing pulverizer

The invention discloses an anti-clogging molybdenum powder processing pulverizer, which relates to the technical field of pulverizers. The invention includes a casing, in which a pulverization chamber and a discharge chamber are sequentially arranged from top to bottom, the pulverization chamber and the discharge chamber There is a filter plate between them, and a crushing mechanism is set in the crushing chamber. The discharge chamber includes a funnel-shaped discharge chamber and vibration chambers evenly distributed on both sides of the discharge chamber. The two vibration chambers are equipped with the same vibration mechanism. The vibrating mechanism includes a cam and a cylindrical push rod arranged above the cam. The bottom of the push rod is connected with a stopper in contact with the cam. The top of the push rod is connected with a hammer ball for hitting the filter plate. The diameter of the hammer ball is larger than that of the push rod. The diameter of the rod, the push rod is provided with a fixed plate fixed in the vibration cavity between the hammering ball and the stopper, and a buffer spring wound on the push rod is arranged between the fixed plate and the stopper. The present invention has It has the advantages of simple structure, convenient operation and smooth discharge of molybdenum powder.
Owner:ZHENGZHOU QISHUO ELECTRONICS TECH CO LTD

Hung-type fixing device provided with LED indicator lamp and using method of fixing device

The invention discloses a hung-type fixing device provided with an LED indicator lamp and a using method of the fixing device. The device comprises a supporting fixed cross beam part (52), a hanging body (5) which is provided with hanging hook parts (51) hooked and hung on the supporting fixed cross beam part (52), and an ejecting-type elastic fixing device assembly, wherein the ejecting-type elastic fixing device assembly comprises a shell part (9) which is provided with a left sidewall (92) and a right sidewall (91), two elastic ejecting components and an elastic pushing component; the two elastic ejecting components are capable of sliding up and down between the left sidewall (92) and the right sidewall (91) of the shell part (9), the two elastic ejecting components are provided with outer-side elastic bodies (6) and inner-side bearing transmission plate parts (8) which are fixedly arranged on the inner sides of the outer-side elastic bodies and the two elastic ejecting components are mutually symmetrical in structure; and the elastic pushing component is capable of moving left and right when the elastic pushing component is regulated by a regulating screw rod (2) which is arranged on the left sidewall (92) and the right sidewall (91) in a rotatable mode.
Owner:陈园婷

Automatic stamping equipment

The invention discloses automatic stamping equipment. The automatic stamping equipment comprises a rack, a female die assembly, a stamping mechanism, a feeding mechanism and a driving assembly, wherein a workbench is arranged at the top of the rack; the female die assembly is arranged on the workbench, and a punched hole is formed in the female die assembly; the stamping mechanism is arranged on the rack; the feeding mechanism is arranged on the rack, and a raw material belt penetrates through the feeding mechanism and extends to the position between the female die assembly and the stamping mechanism; the driving assembly comprises a rotary power source, a feeding transmission wheel and a stamping transmission wheel; a feeding transmission wheel and a stamping transmission wheel are arranged on a power transmission shaft of the rotary power source at intervals; and the feeding transmission wheel is in transmission connection with the feeding mechanism, the stamping transmission wheel is in transmission connection with the stamping mechanism, and the driving assembly can drive the feeding mechanism to move forwards in a clearance mode and meanwhile drive the stamping mechanism to punch the raw material belt when the feeding mechanism is suspended. According to the automatic stamping equipment, the synchronism of feeding and stamping can be guaranteed, and then the product quality is improved.
Owner:红禾朗(重庆)工业制造有限公司

Detachable automatic sand adding sand tank, combined sand tank and realization method

The invention discloses a detachable automatic sand adding sand tank, which mainly solves the problems of inconvenient transportation, high labor cost and low efficiency of sand adding operation and the like of the existing sand tank. The detachable automatic sand adding sand tank comprises a sand tank body, an automatic sand feeding mechanism, a conveyer and a motive power system, the sand tank body is formed by combining a base, a sand leaking tank and a sand storage tank which are in sequential detachable connection from bottom to top, the automatic sand feeding mechanism is arranged at the upper end of the sand storage tank, the conveyer is arranged in the base, is communicated with the sand leaking tank and is used for transporting sand, the motive power system provides motive power for the automatic sand feeding mechanism and the conveyor, the base, the sand leaking tank and the sand storage tank are respectively in a detachable structure, and a utility knife which is near the automatic sand feeding mechanism and is used for gashing sand bags is also arranged in the sand storage tank. The invention also provides a combined sand tank formed by two detachable automatic sand adding sand tanks and a realization method of the detachable automatic sand adding sand tank. The detachable automatic sand adding sand tank, the combined sand tank and the realization method have the advantages that the transport efficiency is high, the cost is low, and in addition, the automation degree and the construction efficiency are respectively much greater than those of the prior art.
Owner:汤树林

Needle drum of cigarette making machine suitable for adhesion of long filter tip and tipping paper

InactiveCN103181617AChange structureImprove the adsorption positionCigarette manufactureEngineeringUltimate tensile strength
The invention discloses a needle drum of a cigarette making machine suitable for adhesion of a long filter tip and tipping paper. The diameter of a drum body is 216mm; two cigarette adsorption areas with widths of 72.5mm are formed in the surface of the drum body, and the distance between the two cigarette adsorption areas is 9mm; needle strip grooves and cigarette-loading grooves are formed around the surface of the drum body at intervals; an included angle between each needle strip groove and each cigarette-loading groove is 10 degrees; an included angle between two adjacent needle strip grooves or cigarette-loading grooves is 20 degrees; one filter tip adsorption hole and three cigarette strip adsorption holes with the diameters of 4mm are sequentially formed in the cigarette-loading groove from a separation region to the outside, and distances from the filter tip adsorption hole to the three cigarette strip adsorption holes are 18mm, 30mm and 48mm in sequence; each needle strip groove has the upper width of 25mm, the lower width of 18mm and the depth of 10mm; the cigarette-loading grooves are semicircular and are 7.8mm in diameter; and the ridge width between the needle strip groove and the cigarette-loading groove is 3mm. By using the needle drum, the reliable adsorption of a cigarette strip and a filter tip and the stable conveying of the tipping paper are guaranteed, the tipping paper, the cigarette strip and the filter tip are accurately jointed and adhered, the product quality is guaranteed, the gum deposit of the needle drum is avoided at the same time, and the labor intensity of cleaning the needle drum is alleviated.
Owner:HONGYUN HONGHE TOBACCO (GRP) CO LTD

Free-piston engine

The invention relates to a free-piston engine, which comprises a hydraulic pump body assembly, a first air cylinder, a second air cylinder, a push rod hole, a first pull rod hole, a first crossed connection passage, a first inner piston, a second inner piston, a push rod, an inner plunger, a first outer piston, a second outer piston and a first outer plunger, wherein the first air cylinder and the second air cylinder are arranged on two sides of the hydraulic pump body assembly; the first crossed connection passage is arranged between the first push rod hole and the first pull rod hole; the first inner piston is arranged in the first air cylinder; the second inner piston is arranged in the second air cylinder; two ends of the push rod are respectively fixed on the first inner piston and the second inner piston; the inner plunger is installed between the push rod and the push rod hole, an inner pump chamber and an inner coupling pump chamber are respectively formed on two ends of the push rod hole, and an inner coupling pump chamber is communicated with the first crossed connection passage; the top end of the first outer piston is close to the first inner piston; the top end of the second outer piston faces towards the second inner piston; two ends of the first pull rod are arranged on the first outer piston and the second outer piston; and the first outer plunger is arranged between a first pull rod and the first pull rod hole, the first outer plunger forms a first outer pump chamber and a first outer coupling pump chamber with two ends of the first pull rod hole, and the first outer coupling pump chamber is communicated with the first crossed passage.
Owner:ANHUI ZHONGDING POWER
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