111results about How to "Move at a constant speed" patented technology

The invention relates to a measuring device and a method for detecting thrust vector of a tiny rocket motor used in vacuum. The device for detecting the thrust vector mainly comprises a pressure probe, a movable platform, a rotating table and a data acquisition system. The method comprises the following steps: fixing the pressure probe to the movable platform first, and then adjusting the position of the pressure probe simultaneously, so as to make an axis of the pressure probe parallel to an axis of the tiny rocket motor. When the movable platform moves at constant speed along the direction perpendicular to the axis of the tiny rocket motor, a sensor positioned in the pressure probe senses local dynamic pressure signals in jet current generated by the tiny rocket motor in real time, and the acquisition system acquires and transmits the signals to a data processing and displaying system. Through analyzing symmetry of the dynamic pressure relative to the axis of the tiny rocket motor, the method studies deflection conditions of actual thrust vector and design objective.

The invention discloses a method and a device for measuring pneumatic thrust indirectly, and the pneumatic thrust measuring device mainly comprises a dynamic pressure probe, a probe supporting part, a movable platform, a data acquisition system and a data processing and analysis system. The method is as follows: the dynamic pressure probe is fixed on the movable platform by the probe supporting part, and the dynamic pressure probe is regulated to enable the axis of the dynamic pressure probe and that of a rocket engine to be parallel and to be at the same height. When the movable platform moves at a uniform speed along the direction perpendicular to the axis of the engine to enable the dynamic pressure probe to sweep over a hypersonic jet flow which is ejected from an engine nozzle, a differential pressure transducer which is arranged at the back end of the dynamic pressure probe responds to the dynamic pressure signals of the hypersonic jet flow in real time, the data acquisition system acquires the dynamic pressure and the distribution signals in real time, and the data processing and analysis system obtains the pneumatic thrust by carrying out surface integral processing on the measured radial distribution signals of the dynamic pressure.

The invention provides a human oocyte and embryo vitrification freezing and thawing device and an application method thereof. The lower surface of a rotary vibration tray is fixedly connected with anoutput shaft of a first motor; a liquid outlet pipe penetrates through a through hole in a sliding manner and is fixed on an extending clamp through a clamping assembly; a liquid outlet is formed at the bottom end of the liquid outlet pipe; the liquid outlet is located above an opening of the open groove; the top end of the liquid outlet pipe is internally connected with a driving part which can move vertically along the liquid outlet pipe and is used for sucking or injecting the liquid. According to the human oocyte and embryo vitrification freezing and thawing device provided by the invention, oocytes/embryos are located in an environment with continuous gradient changes of concentration of a freezing solution or a thawing solution in a process of vitrification freezing and thawing in vitro due to a common effect of the liquid outlet pipe and the rotary vibration tray, and operation of repeatedly sucking, blowing, transferring, stirring the embryos and the like of experimenters is avoided; influences of an in vitro environment and man-made operation on irritable stimulation of the embryos are effectively reduced; long-term development of the embryos and the safety of descendantsare facilitated; meanwhile, the working strength of the experimenters is also alleviated.

The invention discloses an automatic sand blasting device and method for a planar target material. The sand blasting device comprises a middle sand blasting unit and a side sand blasting unit, whereinthe side sand blasting unit is provided with a side sand blasting gun; a muzzle of the side sand blasting gun faces the side part of the target material; the middle sand blasting unit is provided with a middle sand blasting gun; a muzzle of the middle sand blasting gun faces the plate surface of the target material; at least the middle sand blasting gun is a swinging spray gun; and the swinging direction of the middle sand blasting gun is perpendicular to the moving advancing direction of a conveying device. The invention discloses the automatic sand blasting method for the planar target material. According to the automatic sand blasting device and the automatic sand blasting method, the sand blasting efficiency can be effectively improved, and the sand blasting yield is increased.

The invention provides an aluminum foil double-face fast coating device. The aluminum foil double-face fast coating device comprises a first frame, an unwinding mechanism, a feeding drawing mechanism, a coating mechanism, a drying oven, a discharging drawing mechanism and a winding mechanism, wherein the unwinding mechanism, the feeding drawing mechanism, the coating mechanism, the drying oven, the discharging drawing mechanism and the winding mechanism are arranged on the first frame. The coating mechanism is a double-face ladder type coating mechanism which comprises a front side coating mechanism body and a back side coating mechanism body. The drying oven is a suspension drying oven. Aluminum foil sequentially passes through the unwinding mechanism, the feeding drawing mechanism, the coating mechanism, the drying oven, the discharging drawing mechanism and the winding mechanism, and then double-face coating is completed. An aluminum foil double-face fast coating method sequentially comprises the steps of unwinding, front side coating, back side coating, double-face drying and winding. According to the aluminum foil double-face fast coating device and method, through the ladder type one-time front side and back side coating and one-time double-face drying technologies, the material conveying path is greatly shortened, fast coating is achieved, the coating speed can reach 150m/min, in addition, the double faces are dried at a time after being coated, the space of the drying oven is saved, the manufacturing cost is reduced, meanwhile, energy is saved by about 160KW/h, and the aluminum foil double-face fast coating device and method are suitable for gravure coating and reverse kiss coating.

The invention relates to cutting and edging equipment, in particular to cutting and edging equipment for high-end equipment manufacturing. According to the cutting and edge grinding equipment for high-end equipment manufacturing, the fixing mode of a workpiece is simple, the workpiece grinding efficiency can be improved, and the workpiece can be cut. In order to solve the technical problem, the invention provides the cutting and edging equipment for high-end equipment manufacturing. The cutting and edging equipment comprises a bottom plate, a cutting mechanism, a grinding mechanism and a clamping mechanism, wherein the top of the bottom plate is connected with a supporting frame; the cutting mechanism is mounted at one side of the top of the bottom plate; the grinding mechanism is connected between the cutting mechanism and the supporting frame; and the clamping mechanism is mounted at the other side of the top of the bottom plate. According to the cutting and edging equipment, by means of the cutting mechanism, the grinding mechanism and the clamping mechanism, the workpiece can be integrally cut and ground, the mounting frame only needs to be manually pushed to move, operation is easy, and the labor intensity is low.

The invention relates to a single-surface galvanized steel plate surface protection process. The single-surface galvanized steel plate surface protection process comprises the following specific steps: (1) steel is received and inspected; (2) dust particles on the surfaces of steel plates are cleaned through pretreatment to guarantee the surface cleanness of the steel plates; and the lower end surfaces and two sides of the steel plates are fixed through a fixing device 1; (3) degreasing treatment: a dipping method is used in degreasing; the temperature is controlled within 50-60 DEG C; and removed grease is prevented from attaching on the surfaces of the steel plates again; (4) hot galvanization is performed; and (5) drying is performed. The single-surface galvanized steel plate surface protection process solves the problems of need of manual movement of the steel plates, need of manual protection of galvanized end surfaces of the steel plates, nonuniform moving speed of the steel plates caused by manual control, incapability of guaranteeing the coating uniformity of acid-resistance substances, imprecise manual protection of the steel plates and incapability of guaranteeing no influence on the galvanized end surfaces of the steel plates by the acid-resistance substances due to wrong operation of the galvanized end surfaces of the steel plates.

The invention relates to cleaning of fishing nets, in particular to a high-efficiency fishing net cleaning machine, which includes a cleaning room and a drying room. The top of the cleaning room is provided with a traction device and a water storage tank. The traction device is connected with a cross bar through a connecting rod, and a first The telescopic rod, the second telescopic rod, the third telescopic rod and the fourth telescopic rod, the first telescopic rod and the second telescopic rod are connected by a telescopic bracket, and one end of the telescopic bracket is connected to the top of the first telescopic rod through a first spring , the other end of the telescopic bracket is connected to the bottom of the second telescopic rod, the telescopic bracket is provided with a second spring and a clip, the side wall of the cleaning room is provided with a button that cooperates with the clip, the bottom of the fourth telescopic rod is provided with a porous nozzle, and the drying chamber An electric fan is provided on the side wall, and an electric heater is provided at the bottom of the drying chamber; the technical solution provided by the invention can effectively overcome the defects of limited cleaning number and long drying time in the existing fishing net cleaning machine.

The invention relates to a numerical control machine tool guide rail molded surface rapid detection device. According to the numerical control machine tool guide rail molded surface rapid detection device, no strict rules for placement positions of a laser transmitter and a laser receiver exist, and a test result only depends on relative position relations between received lasers on the laser receiver and the initial test deviation of a test end guide rail. When a test is performed, the laser transmitter is well fixed, data are collected at equal intervals by moving an optical lens set, an auxiliary traction device can also be added, the optical lens set is moved at a constant speed, real-time high-density test data collection is achieved, and test precision is improved. The numerical control machine tool guide rail molded surface rapid detection device has the advantages of being accurate, reliable, rapid and the like, and can complete detection work of a plurality of test indexes at a time, and time and manpower are saved. Compared with the prior art, the numerical control machine tool guide rail molded surface rapid detection device has obvious accuracy and innovativeness.

The invention discloses a dyeing device for manufacturing a blood smear. The dyeing device comprises a base. A supporting plate is fixedly connected to the base. A processing device is arranged on thesupporting plate; two oppositely-arranged horizontal plates are fixedly connected to the side wall of the supporting plate, and clamping devices are arranged on the horizontal plates. A cavity is formed in the base, a motor is arranged in the cavity, the output end of the motor is connected with a first transmission chain wheel, and the first transmission chain wheel is connected with a transmission mechanism in an engaged mode. According to the invention, a control column is rotated; under the action of L-shaped clamping blocks on a fixed block and a movable block, a glass slide is stably clamped; the working plate is moved under the action of the motor, the first transmission chain wheel, a rotating shaft and a second transmission chain wheel, the glass slide is moved at a constant speed, a push piece is manufactured; the blood smear is manufactured under the assistance of mechanical equipment, so that machining is facilitated, the machining efficiency is improved, and the success rate of the blood smear is increased.

The invention discloses a dyeing device for flax textile processing, and relates to the technical field of flax textile dyeing devices. The dyeing device comprises a workbench, sliding channels are formed in the two ends of the workbench, a sliding groove is formed in the middle of each sliding channel, and moving grooves are formed in the two ends of each sliding channels, and supporting rods arearranged in the middles of the moving grooves. The surfaces of the supporting rods are movably connected with roll wheels, supporting plates are movably connected in the sliding channels, a movable rod is arranged at one end of each supporting plate, a clamping column is fixedly connected with one end of each movable rod, and the other end of each movable rod is movably connected with a lead screw. According to the dyeing device for flax textile processing, the movable rods can drive a top plate to move through rotation of the lead screws, and therefore spray heads evenly dye flax textile cloth; the roll wheels are arranged in the moving grooves, the friction force of the supporting plates on the sliding channels can be reduced, the supporting plates smoothly move, the work efficiency ofdyeing is improved, and the phenomena of uneven dyeing and dyeing omissions are reduced.

The invention discloses a bamboo weaving handicraft mildew-proof treatment method and device, and relates to the technical field of bamboo weaving handicrafts. The treatment method is characterized by comprising the following steps that S1, polishing treatment is carried out, and specifically, bamboo filaments and thin bamboo strips of a bamboo weaving product are ground and polished for later use; and S2, cooking treatment is conducted, wherein the bamboo filaments and the thin bamboo strips treated in the step S1 are put into a pot containing cooking liquor, heating is conducted, the temperature of the cooking liquor is kept at 60-65 DEG C, the bamboo filaments and the thin bamboo strips are taken out after cooking treatment is conducted for 25-30 min, and the bamboo filaments and the thin bamboo strips are naturally cooled to the room temperature for standby application. According to the bamboo weaving handicraft mildew-proof treatment method and device, a driving assembly is arranged to cooperate with a paint spraying connecting pipe and a drying connecting pipe, and a spray head can be driven to move at a constant speed, so that the spray head can uniformly spray the thin bamboo strips, the thin bamboo strips are located in the center of the spray head, it can be guaranteed that paint liquid can be sprayed to each surface, and the spraying quality is improved; and meanwhile, the drying connecting pipe is used in a cooperative mode to blow-dry the thin bamboo strips simultaneously, so that the drying speed is increased.

The invention relates to the technical field of piano component processing equipment, and discloses a piano cover painting device. The piano cover painting device comprises a box body assembly, a bottom plate assembly, a traction device and a dust removal device, and the bottom of the box body assembly is fixedly connected with the bottom plate assembly. In the box body assembly, a plate inlet anda plate outlet are formed in the left end and the right end of a box body correspondingly, meanwhile, mounting grooves are formed in the front sides and the rear sides of the plate inlet and the plate outlet, first springs and limiting plates are placed in the mounting grooves, the sides, away from second springs, of the limiting plates are connected with connecting rods, the ends, away from thelimiting plates, of the connecting rods are connected with mounting supports, and meanwhile, guide wheels made of the rubber material are arranged in the middles of the mounting supports, so that whena piano cover plate is put into the box body and discharged out of the box body, the piano cover plate can be buffered while being guided, and the piano cover plate is prevented from being collided and damaged.

The invention discloses production machining equipment of color steel tiles. The equipment comprises a base, a pressure sensor, a movable pressing plate, a left chute, a right chute, a left support, a right support, a laser transmitter, a laser receiver, a control module, a driven rack, a driven wheel, a driven rotating shaft, a right driving rack, a left driving rack, a right driving wheel, a left driving wheel, a driving shaft and a motor. The equipment is novel in structure and scientific in design; the driven rack is mounted in the middle of the front end surface of the movable pressing plate and is meshed with the driven wheel to realize constant-speed motion of the movable pressing plate; moreover, the gravity of the sliding pressing plate is borne, so that axial force of the motor is reduced, the service life of the equipment is greatly prolonged, and manual intervention in a whole machining process is not needed, the automation degree is high, the machining efficiency is improved, the pressure sensor is increased, controlled machining pressure is realized, and the quality and consistence of the machining are improved; due to the arrangement of the laser transmitter and the laser receiver, the using security performance of the equipment are further improved.

The invention discloses a contact chip detection device with a sorting structure for computer memory bank processing, and relates to the technical field. The contact chip detection device comprises a bottom cabinet and a driving assembly, the bottom of the bottom cabinet is fixedly provided with a base, the right side of the bottom cabinet is provided with a console, the top of the bottom cabinet is connected with a detection cabinet, and the two ends of the detection cabinet are provided with first transmission belts. A driving motor is arranged on one side of each first transmission belt, the surfaces of the first transmission belts are connected with sleepers, and grooves are formed in the surfaces of the sleepers. According to the contact chip detection device with the sorting structure for computer memory bank processing, limiting plates are arranged on the two sides of a memory bank, and the limiting plates are fixed to the first transmission belts through supporting rods, so that stability of the limiting plates is guaranteed. Detection probes on the surfaces of the limiting plates are matched, and the detection probes and the memory bank are distributed in parallel, so that when the memory bank is conveyed, the appearance of a contact chip on the surface of the memory bank and the contamination condition of pollutants can be detected, and the practicability of the device is improved.

The invention discloses an end piece pretightening assembly for an automobile seat belt. The end piece pretightening assembly for the automobile seat belt includes a cylinder, a pretightening seat anda check piston. A first adaptor port and a second adaptor port are respectively arranged on the pretightening seat, a gas generator is fixed in the first adaptor port, the cylinder is fixed on the second adaptor port, the inner end of the second adaptor port is staggered and fixed with a spoiler, a steel rope sleeve transversely penetrates through the spoiler, a cover plate is fixed to one end ofthe pretightening seat through a second locking bolt, a steel rope sequentially passes through the steel rope sleeve and the cover plate, an end piece connecting member is welded to the other end ofthe wire rope, and the end piece connecting member is fixed with a head end piece through a first locking bolt. By arranging internal threads on the inner side wall of the second adaptor port and external threads cooperating with the internal threads on the outer side wall of one end of the cylinder, the cylinder and the pretensioning seat are spirally connected, the disassembly and installation of the two are facilitated, the maintenance is facilitated, and the use is convenient.

The invention discloses a transverse cutting device for a PET foamed plate and a using method thereof. The transverse cutting device comprises a rack, and a first sliding mechanism, a second sliding mechanism, an auxiliary compressing mechanism, a pull-out protection mechanism, an anti-deviation mechanism and a pushing mechanism which are mounted on the rack; a slidable base is arranged on the rack; a mounting frame is mounted on one side of the base; a fixed frame is mounted on the side, away from the mounting frame, of the base; a slidable mounting plate is arranged on the mounting frame; and the mounting plate is connected with a saw blade through a connecting block. According to the transverse cutting device for the PET foamed plate, the plate can be transversely cut while being conveyed and moved by the pushing mechanism without shutting down the pushing mechanism to stop cutting and then starting up the pushing mechanism, and uninterrupted working is achieved, so that the plate transverse cutting work efficiency is improved; and all the mechanisms are matched for use, so that not only can the transverse cutting work efficiency be improved, but also the precision of the cut plate can be guaranteed, and errors are reduced.

The invention relates to a triaxiality uniform speed moving method driven by a single-chip microcomputer. The method is used for a triaxiality sliding platform and is characterized by comprising the following steps: (1) converting plane moving instructions on an X axis and a Y axis by a user into broken line moving instructions; (2) combining the broken line moving instructions and a moving instruction on a Z axis, merging and combining instructions, and converting the merged instructions into step-by-step moving instructions on the X axis, the Y axis and the Z axis; (3) encoding the step-by-step moving instructions on the X axis, the Y axis and the Z axis, and saving the encoded moving instructions in a memory; and (4) reading the step-by-step moving instructions on the X axis, the Y axis and the Z axis in the memory, and driving triaxiality to move. The method has the advantages of converting the triaxiality moving instructions by the user into the step-by-step moving instructions in advance, and saving the step-by-step moving instructions in the memory, wherein a moving platform does not perform complex floating operation during operation, so that the effect of moving at a uniform speed is achieved. When the method is used, a CPU with a lower frequency can be adopted, so that the cost of products can be effectively reduced.