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1046 results about "Worm drive" patented technology

A worm drive is a gear arrangement in which a worm (which is a gear in the form of a screw) meshes with a worm gear (which is similar in appearance to a spur gear). The two elements are also called the worm screw and worm wheel. The terminology is often confused by imprecise use of the term worm gear to refer to the worm, the worm gear, or the worm drive as a unit.

Rapid spraying device and method for minor repair operation

The invention relates to the technical field of oil field workover treatment, in particular to a rapid blowout wrecking device and method for minor repair operation. According to the technical scheme, a lifting mechanism is installed on workover treatment equipment through a fixing mechanism, a rotary speed reducer is installed at the upper end of the lifting mechanism, a blowout wrecking rotating arm is installed on the upper portion of the rotary speed reducer, the outer end of the blowout wrecking rotating arm is fixedly connected with a fixing base, a turbine is installed in the fixing base, and a rotating short section is installed in the center of the turbine. The lower end of the rotary short section is movably connected with a full-bore plug valve; the worm is installed on one side of the turbine, the worm is driven by the hydraulic cycloid motor to rotate, the worm drives the turbine and the rotary short section to rotate, then the full-bore plug valve is driven to be rotationally connected to an oil pipe of a wellhead, then the switch knob is closed, and blowout wrecking is completed. The full-bore plug valve is installed through mechanical rotation, the follow-up loading function is achieved, potential safety hazards caused by manual installation of the full-bore plug valve are avoided, and rapid blowout wrecking work of blowout is achieved.
Owner:VICTORY OIL TIANXINHAIXINGDA GRP CO LTD

Lifting device and method for storing and transferring airship pod

The invention discloses a lifting device and method for storage and transfer of an airship pod, and relates to the technical field of storage and transfer of airship pods.The lifting device comprises an upper bracket, two lifting driving assemblies, a middle support, a damping spring, a base, four wheels and a traction rod; through the modular truss structure design, the bearing capacity and the lightweight requirement are both considered; a multi-dimensional vibration reduction system is formed by the vibration reduction springs which are arranged horizontally, longitudinally and transversely and the soft rubber buffer cushion, and the structure and function integrity of the pod in the storage and transfer process can be effectively protected by matching with the flexible moving and locking functions of the universal wheels with brakes; the lifting driving assembly adopts worm and gear transmission to achieve stable lifting and + / -15-degree pitch angle adjustment, an operating hand wheel designed in an ergonomic mode is combined, electric drive is matched, and the requirement for precise adjustment and control of pods is met. And the operation efficiency is greatly improved through the quick disassembly and assembly design of the positioning and fixing assembly and the traction rod.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Hybrid speed reduction transmission equatorial telescope based on crossed roller bearing

The invention relates to a hybrid speed reduction transmission equatorial telescope based on a crossed roller bearing. The equatorial telescope comprises a shell, a right ascension axis hybrid speed reduction transmission assembly, a declination axis speed reduction transmission assembly, the crossed roller bearing, a laser beam parallelism adjusting mechanism and a base. The right ascension shaft mixed speed reduction transmission assembly comprises a right ascension shaft motor, a right ascension first-stage speed reducer and a right ascension second-stage speed reducer, the right ascension first-stage speed reducer is a harmonic speed reducer, and the right ascension second-stage speed reducer is a worm and gear transmission pair; the declination axis speed reduction transmission assembly comprises a declination axis motor and a declination axis speed reducer; an outer ring of the crossed roller bearing is fixed on the rear shell, one end face of an inner ring is fixed with the output end of the right ascension shaft mixed speed reduction transmission assembly, and the other end face of the inner ring is fixed with the right ascension shaft output seat; and the declination shaft speed reduction transmission assembly is fixed on the right ascension shaft output seat. The equatorial telescope has the advantages of being high in degree of freedom, small in size, light in weight and high in bearing capacity, and the equatorial telescope is high in reduction ratio, stable in tracking, high in tracking precision and low in power consumption.
Owner:王铁鑫

Assembly structure and method for pure electric steering gear with double speed reducing mechanisms

The invention discloses an assembling structure and method for a pure electric steering gear with double speed reducing mechanisms, and relates to the technical field of pure electric steering gear. According to the structure, a speed reducing shell and a motor controller are arranged on a steering gear shell, and a first-stage speed reducing mechanism composed of a small gear and a large gear is sequentially arranged in the speed reducing shell; one end of the worm is connected with the large gear through a transmission balance shaft, and a spring and a bearing are arranged in the transmission balance shaft to achieve radial elastic supporting and mechanical balance. The assembling method is carried out according to the sequence of the self-adaptive adjusting assembly, the worm, the transmission balance shaft, the speed reduction shell, the steering gear shell and the motor controller, and through a rotation test, the meshing clearance of the gear pair and the worm and gear pair is subjected to self-adaptive compensation by utilizing elastic deformation of a spring and a rubber element. Under the condition of a single motor, a large total transmission ratio and a large steering output torque are obtained, and meanwhile transmission stability, noise vibration performance and long-term use reliability are considered.
Owner:YUBEI XINXIANG POWER STEERING SYST

Non-return transmission device for carrier and control system of non-return transmission device

The invention relates to the field of carrier steering control, in particular to a non-return transmission device for a carrier and a control system thereof.The non-return transmission device comprises a large bevel gear, a small bevel gear, a large straight tooth, a small straight tooth, a worm and a turbine which are sequentially meshed, the large bevel gear is fixed to an input shaft, the small straight tooth and the worm are coaxial, the turbine is fixed to an output shaft, and when the worm drives and the turbine drives, the large straight tooth and the small straight tooth are coaxial. Clockwise and anticlockwise rotation of the input shaft is transmitted to the output shaft; when running external force acts on the turbine through the output shaft to try to reversely drive the worm, force flow is cut off through the self-locking effect of the worm and the turbine, non-return of the output shaft relative to the input shaft is achieved, and hand beating and high-speed shimmy are weakened. The input shaft and the output shaft are coaxially arranged through a coaxial device, and the gears, the worm and the worm gear are installed in the shaft box. The control system is provided with an angular speed sensor, a temperature sensor, a vibration sensor, a working cycle number sensor and the like, signals are input into an electronic control unit, and state monitoring and fault early warning are carried out through the electronic control unit.
Owner:JIANGSU WEILI NEW ENERGY MATERIALS CO LTD

Device for preschool education to see pictures and recognize objects

The utility model discloses a device for preschool education to see pictures and recognize objects, and relates to the technical field of child teaching. The teaching aid comprises a base, the top of the base is fixedly connected with a supporting seat, a supporting column is movably arranged on the top of the supporting seat in a penetrating mode, and the upper end of the supporting column is fixedly connected with a picture-seeing and object-identifying disc. According to the utility model, the worm is rotated clockwise to drive the worm gear to rotate together with the rotating shaft, and the rotating shaft rotates at the moment, so that the supporting column can be driven to move upwards together with the picture-viewing object-identifying disc through the matching of the connecting sliding column and the connecting sliding groove under the guiding action of the telescopic column, and the position heights of the picture-viewing object-identifying disc and the rotating disc are adjusted; the height of the device can be rapidly adjusted, operation is convenient and fast, the magnetic picture board and the magnetic character board are fixed in the containing groove in a magnetic connection mode, personnel can conveniently replace the magnetic picture board and the magnetic character board with different types of pictures and texts according to requirements, and practicability is higher.
Owner:GUANGRAO COUNTY VOCATIONAL SECONDARY SCHOOL

Tamper-proof driving device

The utility model discloses a tamper-proof driving device which comprises a first driving shell, a lower box body, a worm penetrating through the lower box body, a hand wheel connected with the outward extending end of the worm, a turbine installed in the lower box body, a valve rod with the top end inserted into the lower box body and penetrating through the turbine, an electric switch group assembly installed in the lower box body and a controller. The hand wheel is rotated, the worm drives the turbine to rotate, the indicator rotates together under the combined action of the turbine, the valve rod and the elastic pin and points to a sign position, the turbine touches the electric switch set assembly and sends a signal, and meanwhile the visual indicator lamp is turned on and sends an alarm signal to the PLC platform. When the valve is closed, the tamper-proof driving device is detached from the valve, the tamper-proof driving device is opened to see the internal structure and rotate the hand wheel to an abnormal state, the alarm is triggered when one of the conditions occurs, the tamper-proof effect is achieved, and the functions of providing an alarm signal for a long time and confirming whether the alarm signal is really contacted or eliminated are achieved.
Owner:WEILONG VALVE COMPANY

Anti-surge electric actuator with anti-locking mechanism

The utility model relates to the technical field of electric actuators, and discloses an anti-surge electric actuator with an anti-jamming mechanism, which comprises a front control seat, the rear end of the front control seat is connected with a rear control seat, a main shaft is inserted into the top of the rear control seat, a hand wheel is mounted at the top of the main shaft, and the anti-jamming mechanism is mounted on the hand wheel. A separable sleeve shaft is installed in the rear control base, and an auxiliary worm wheel is arranged outside the separable sleeve shaft. According to the utility model, the anti-locking structure is arranged, so that the rotating motor in the rear protective cover drives the auxiliary rotating wheel and the rotating worm to rotate during use, and the rotating worm drives the auxiliary worm gear outside the separable sleeve shaft to be engaged; before and after use, grease can be injected into the oil storage box through the conveying pipe via the rubber plug at the rear end of the rear control seat, then the grease in the oil storage box is immersed into the oil absorption cotton layer and then drips between the rotating worm and the auxiliary worm gear, the lubricity between the auxiliary worm gear and the rotating worm is improved, and therefore the anti-jamming function is achieved.
Owner:ZHEJIANG RUIKESI AUTOMATION TECH CO LTD

A multi-station flexible and rapid changeover clamping device and method for aero-engine blades

This invention provides a multi-station flexible rapid-change clamping device and method for aero-engine blades, comprising: a worm gear transmission device, a detachable positioning base, and a flexible clamping component; in the worm gear transmission device, a rotating handle drives a transmission worm to rotate, which simultaneously drives multiple transmission worm wheels to rotate, and simultaneously drives multiple flexible upper pressure plates to apply a flexible clamping force to the blade; the detachable positioning base is provided with positioning pins for placing and positioning the blade to be clamped; the detachable positioning base is connected to the base by bolts, enabling quick disassembly and replacement to adapt to the clamping requirements of different types of blades. The flexible clamping component provides support for the flexible upper pressure plates while allowing a certain degree of flexible deformation to accommodate differences in blades.
Owner:HARBIN DONGAN ENGINE GRP

Electric screw turning device used in narrow space

The utility model discloses an electric screw turning device used in narrow space, which comprises a main machine, a driving motor and a sleeve component, the sleeve component comprises a connecting seat, a transmission worm, a transmission worm gear, a driving gear, at least one transition gear and a sleeve gear piece, the inside of the connecting seat is hollowed out to form a worm assembly cavity, one side of the connecting seat is provided with an extension arm, and the extension arm is connected with the transmission worm. Wherein the sleeve gear piece is rotationally installed on the side, close to the end of the extension arm, of the gear assembly cavity, a sleeve opening is formed in the center of the sleeve gear piece and exposed out of the side face of the extension arm, a gear tooth structure is formed in the circumferential portion of the sleeve gear piece, and the sleeve gear piece is connected with the adjacent transition gear through the gear tooth structure in a meshed mode. Compared with the prior art, automatic screw turning in a narrow space is achieved by arranging a gear structure in the extension arm and a customized sleeve gear piece, design is ingenious, and use is convenient.
Owner:刘士贤

Lifting device and door and window

The invention discloses a lifting device and a door and window, and belongs to the technical field of door and window hardware. Comprises: a rotation driving member; the first worm and gear transmission mechanism comprises a first worm and a first worm gear matched with the first worm, and the output end of the rotary driving part is in transmission connection with the first worm; the second worm and gear transmission mechanism comprises a second worm in transmission connection with the first worm gear and a second worm gear matched with the second worm, and the traction wheel is in transmission connection with the second worm gear; and the traction piece is matched with the traction wheel. Compared with the prior art, by means of the self-locking characteristic of worm and gear transmission, the window sash can be locked after being lifted to the target position, double self-locking is achieved through cooperation of the first worm and gear transmission mechanism and the second worm and gear transmission mechanism, and the use safety is further improved.
Owner:SHENZHEN HOPO WINDOW CONTROL TECH CO LTD

Multi-angle flexible needle puncture device based on worm and gear transmission

The invention relates to an inclined tip flexible needle puncture device capable of adjusting a needle entering angle based on worm and gear transmission, which belongs to the field of medical instruments and comprises a position adjusting mechanism, a feeding mechanism, a hexagonal supporting mechanism, a front posture adjusting mechanism and an inclined tip flexible needle. Before puncture, the multi-angle inclined tip flexible needle can be adjusted to puncture a needle entering point, so that multiple positions can be punctured; in the puncture process, the inclined tip flexible needle is supported by adopting the hexagonal supporting mechanism, and the needle shaft of the inclined tip flexible needle can be effectively prevented from buckling deformation in the puncture process; wherein the first motor and the second motor move in a combined mode to adjust the puncture position of the inclined tip flexible needle, the third motor controls needle inserting and needle withdrawing of the puncture device, the fourth motor controls rotation of the inclined tip flexible needle, and the fifth motor and the sixth motor move in a combined mode to achieve adjustment of the needle inserting angle of the inclined tip flexible needle. The posture of the needle tip is easier to adjust to complete puncture of a target spot, and the stability, accuracy and safety of puncture are further improved.
Owner:HARBIN UNIV OF SCI & TECH

A strong light frequency flash acousto-optic type electronic warning device

ActiveCN224494958UAcousto-opticsLoudspeaker
The utility model relates to warning device technical field, and disclose a kind of strong light frequency flash sound light type electronic warning device, including base, fixed column, sleeve, fixed box and the like component, by the transmission mechanism of stepper motor, bevel gear, screw rod, sleeve is realized along fixed column sliding up and down, the height of frequency flash lamp and alarm loudspeaker can be flexibly adjusted, utilize second stepper motor, worm gear drive installation rod rotation, accurately adjust the horizontal angle of frequency flash lamp and alarm loudspeaker, compared with traditional warning device, the device overcomes the defect that height and angle are fixed, warning range is limited, in road construction, fire rescue and the like complex scene, can cross over barrier to transfer warning signal, target area is covered simultaneously in all directions, while the application of double stepper motor improves power transmission efficiency and control accuracy, ensure that device responds quickly in emergency, significantly improve the timeliness, accuracy and reliability of warning, effectively reduce the risk of safety accident.
Owner:ZHEJIANG QIANRONG TECH CO LTD

Worm and gear transmission axis coincidence detection and adjustment method

The worm gear and worm transmission axis coincidence detection and adjustment method comprises the following steps that a worm gear and a worm are pre-installed in a machine tool body of a machine tool, and one end of the worm gear is movably connected with an installation base through a connecting shaft; thrust is applied inwards to the mounting base, so that the worm gear is translated to a first target position; the minimum gap delta L between the mounting base and the lathe bed is obtained through measurement; outwards applying a pulling force to the mounting base so as to translate the worm gear to a second target position; the maximum gap delta E between the mounting base and the lathe bed is obtained through measurement; according to the minimum gap delta L and the maximum gap delta E, obtaining a theoretical gap delta S = (delta E-delta L) / 2 from the target end face of the mounting base to the lathe bed; the mounting base is adjusted to a third target position, so that the transmission axes of the worm and the worm gear coincide; the third target position is the position where the distance between the target end face of the mounting base and the lathe bed is delta S. The transmission axis coincidence adjusting device has the advantage that the transmission axis coincidence adjusting operation difficulty is lowered.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Reflow soldering supporting device for smt board

The reflow soldering supporting device comprises a supporting frame, a lifting frame and a rotating plate, the bottom end of the lifting frame is connected with the top end of the supporting frame in an inserted mode, and the two supporting plates are arranged at the two ends of the upper surface of the lifting frame and are symmetrically arranged; the adjusting assembly is arranged on one side of the supporting plate; the lifting assembly is arranged between the lifting frame and the supporting frame; and the rotating assembly is arranged between the lifting frame and the rotating plate. According to the reflow soldering supporting device for the smt plate, the first driving motor drives the worm to rotate, the worm drives the worm gear to rotate, then the rotating plate stably rotates in the annular groove, a worm gear and worm transmission structure has the self-locking performance, the rotating angle of the rotating plate can be accurately controlled, the welding defect caused by angle deviation is avoided, and the stability and reliability of the reflow soldering supporting device are improved. According to the SMT plate welding angle adjusting device, accurate angle adjustment is provided for welding of an SMT plate, welding defects such as insufficient welding and welding skips are reduced, and therefore the yield of products is improved, and the production cost is reduced.
Owner:CHONGQING TAIJIDA ELECTRONIC TECH CO LTD

A multi-station slotting machine

The utility model relates to a technology field of planing and grooving machine, especially a kind of multi-station planing and grooving machine.The utility model includes processing table, and one end of the top end of processing table is fixed with L-shaped plate, and the top end of L-shaped plate inside is rotatably connected with screw rod, and the outside of screw rod is threadedly connected with sliding seat, and the top end of sliding seat is slidably connected with L-shaped plate, and the bottom end of sliding seat is fixed with support plate, and the bottom end of support plate is assembled with mounting box, and three drill bits are rotatably connected with the bottom end of mounting box.The utility model provides a kind of multi-station planing and grooving machine, and the screw rod is rotated by starting servo motor one, and sliding seat, support plate, worm and drill bit are adjusted according to the position of plate material, and mounting box and drill bit are processed to plate material by starting electric push rod, then servo motor two is rotated by starting, and worm drives worm gear and drill bit to rotate at high speed, so as to effectively adjust and process drill bit according to the position of plate material.
Owner:JIANGSU JIMENG TECH CO LTD

Oiling device for machining worm and gear speed reducer

The utility model relates to the technical field of mechanical lubricating oil equipment, and provides an oil injection device for machining of a worm and gear speed reducer, the oil injection device comprises a speed reducer box, a transmission shaft is rotatably connected to the interior of the speed reducer box, and an oil injection mechanism is arranged in the speed reducer box. The motor is started while the worm gear and the worm are started, the half gear is meshed with the rack, so that the rack drives the extrusion plate to apply pressure to oil in the oil injection tank, the oil is stressed to be sprayed out through the spraying plate, and lubricating oil is injected into a transmission part of the worm; according to the technical scheme, the rack is driven to reset through the elasticity of the reset spring, so that the oil injection tank stops supplying oil, the oil injection tank indirectly discharges oil through the half gear rotating continuously, lubricating oil is prevented from being accumulated at the first position of the worm, and the technical problem that in the related technology, the worm gear and the worm cannot be continuously lubricated is solved.
Owner:HEBEI NORTH MACHINERY EQUIP

Sticking jig for loudspeaker diaphragm

The utility model relates to the technical field of loudspeaker production equipment, and discloses a loudspeaker diaphragm pasting jig which comprises a base, a lifting mechanism is arranged in the middle of the base, a supporting mechanism is arranged on the upper portion of the lifting mechanism, and a loudspeaker body is arranged in the middle of the upper side of the supporting mechanism. The periphery of the worm gear is rotatably connected to the upper portion of the inner side of the base, the middle of the worm gear is in threaded connection to the periphery of the limiting rod, the periphery of the worm is rotatably connected to the interior of the base, the worm and the worm gear are meshed with each other, and one end of the worm penetrates through a wall shell of the base and is fixedly connected with a rotary knob. According to the pasting jig for the loudspeaker diaphragm, the rotary knob is screwed, so that the worm drives the worm gear to rotate, the limiting rod moves up and down, the height of the supporting mechanism can be adjusted conveniently, people of different heights can use the pasting jig conveniently, a circle is defined by the multiple supporting seats, a loudspeaker body is located in the circle, and the pasting jig is convenient to use. And the loudspeaker body can be limited, the use is convenient, and the processing efficiency is improved.
Owner:XIAMEN LIZHAO INTELLIGENT TECHNOLOGY CO LTD

Test turntable with stable locking mechanism

The utility model belongs to mechanical test rotary table technical field, concretely is a kind of test rotary table with stable locking mechanism, it includes: horizontal rotary table, pitch driving mechanism and pitch rotary table, pitch driving mechanism is arranged on the horizontal rotary table, pitch driving mechanism includes pitch motor and worm, and pitch motor output end sets worm;Pitch rotary table is arranged on the pitch driving mechanism, and is connected with the worm, and the pitch rotary table includes pivot, pitch support platform and worm wheel, and the pivot center sets pitch support platform, and the pivot outer end sets worm wheel, and the worm wheel is connected with worm, and worm wheel is set on the pivot of pitch rotary table, when carrying out pitch overturn, through pitch motor driving worm rotation, worm drives worm wheel rotation, utilize the self-locking function of worm wheel worm, make pitch motor stop after, pitch rotary table keeps locking state, improves positioning accuracy.
Owner:ANHUI QUANXIN PRECISION WORK EQUIP

Forming and packaging equipment for corrugated carton production

The utility model discloses forming and packaging equipment for corrugated carton production, which comprises an electric turntable, and an inner support component is arranged at the top of the electric turntable; the inner supporting assembly comprises a mounting cylinder, one end of a center rod is fixedly connected with a cam, one end of a sliding rod is fixedly connected with a supporting plate, the other end of the sliding rod is fixedly provided with a roller, the outer wall of the sliding rod is fixedly connected with a butt joint ring, one end of a spring is fixedly connected with one side of a first auxiliary block, and the other end of the spring is fixedly connected with a second auxiliary block. The utility model relates to the technical field of corrugated carton processing. According to the forming and packaging equipment for corrugated carton production, a first servo motor is started to drive a worm to rotate, the worm drives a worm gear to rotate, the worm gear drives a center rod to rotate, the center rod drives a cam to rotate, the convex face of the cam extrudes a roller, and the roller ejects a sliding rod outwards; and the sliding rods can also drive the supporting plates to be close to and make contact with the inner wall of the box body to conduct inner supporting and fixing on the supporting plates.
Owner:YUNNAN YUXI XINGLUN PAPER CO LTD

A brine salt making device for preventing brine crystallization

The application provides a brine salt making device for preventing brine crystallization, and relates to the field of brine salt making. The device comprises a preparation box, both sides of the preparation box are fixedly connected with support frames, the bottom of one side of the support frame is fixedly connected with a translation mechanism, and the middle part of the upper surface of the preparation box is provided with a moving groove. The translation mechanism, driving mechanism, middle driving mechanism and stirring mechanism are arranged. The servo motor drives the moving frame to move left and right. When the moving frame moves, the oval box, rotating rod, worm and gear move. When the gear moves, the gear rotates under the action of the gear plate. The rotation of the gear drives the rotating rod and the worm to rotate. The rotation of the worm drives the worm wheel to rotate. The rotation of the worm wheel drives the first pulley to rotate. The rotation of the first pulley drives the second pulley to rotate. The rotation of the second pulley drives the middle shaft column to rotate. Then, the rotation of the middle shaft column drives the stirring plate to rotate, so that the raw materials are continuously stirred back and forth to avoid crystallization.
Owner:YULIN SALT IND CO LTD CNSG

Cover for a worm wheel gear box, worm wheel gear box for a steering system and electric power steering system for a vehicle

A cover for a worm wheel gear box for a steering system and an electric power steering system for a vehicle. The cover comprises a substantially disc or dome shaped cover body configured to cover an opening of the worm wheel gear box. The cover body includes an inner surface configured to face the worm wheel gear box and an opposite outer surface. The cover body includes a sealing portion formed on the inner surface and configured to sealingly engage an outer circumference of the opening of the worm wheel gear box. The cover body includes a first attachment means and a second attachment means for mounting the cover body to the worm wheel gear box. The first attachment means and the second attachment means are provided at substantially diametrically opposed positions of the cover body. The cover body includes a reinforcement structure reinforcing the cover body.
Owner:NSK EUROPE LIMITED

Mirror with adjustable height

The utility model relates to the technical field of height adjustment, and discloses a height-adjustable mirror which comprises a supporting frame, a shell is fixedly connected to the middle of the right end of the supporting frame, a rotating rod is rotatably connected to the front end of the shell, the rear end of the rotating rod penetrates through the shell and is fixedly connected with a worm, a rotating shaft is rotatably connected to the interior of the shell, and the rotating shaft is fixedly connected with the worm. A worm gear is fixedly connected to the right side of the outer wall of the rotating shaft, the worm is in meshed connection with the worm gear, sliding grooves are formed in the left side and the right side of the interior of the shell correspondingly, and racks are slidably connected to the front walls of the interiors of the two sliding grooves correspondingly. According to the utility model, when the height of the mirror surface needs to be adjusted, the rotating rod is rotated to drive the worm, the worm drives the worm gear to rotate, the worm gear drives the two gears to rotate through the rotating shaft, the gears drive the corresponding racks to move up and down, and the racks can move up and down through the mirror frame connected with the connecting strip, so that the height of the mirror surface is adjusted; and suitable visual angles can be provided for people with different heights.
Owner:NINGBO HAOYI GLASS PRODUCTS CO LTD

Waste heat recovery system in printing workshop

This utility model discloses a waste heat recovery and utilization system for a printing workshop, including: a centralized pipe; and a connecting pipe, which is set on one side of the centralized pipe. The beneficial effects of this utility model are: by setting a worm, a worm wheel, and a rotating rod, the output end of the motor drives the worm to rotate, the worm drives the meshing worm wheel to rotate, and the worm wheel drives the rotating disk and scraper to rotate through the inner rotating rod. The scraper scrapes away the impurities filtered on one side of the filter screen, avoiding the accumulation of impurities on the filter screen and affecting the ventilation efficiency. The impurities are cleaned after the bottom sealing box is disassembled. By setting an exhaust pipe, a ventilation duct, and heat exchange fins, hot air enters the first branch pipe through the branch pipe, enters the exhaust pipe through the first branch pipe, and is conducted through the heat exchange fins in the exhaust pipe. The ventilation duct is connected to the printing workshop.
Owner:FOSHAN KAISHENG PRINTING CO LTD

Height adjustment structure of mower

The application discloses a mower cutter height adjusting structure, which comprises a machine base, a cutter assembly, a control system, a fixing base, a lifting driving mechanism, a transmission assembly, a guide rail assembly and a cutter assembly connecting base. The machine base is provided with a lifting through hole. The lifting driving mechanism drives the cutter assembly connecting base to move up and down at the lifting through hole through the transmission assembly. The cutter assembly is arranged on the cutter assembly connecting base. The transmission assembly comprises a worm and a transmission gear. The lifting driving mechanism drives the worm to rotate through the transmission gear. The worm is engaged with the engaging teeth of the cutter assembly connecting base and drives the cutter assembly connecting base to move up and down. The cutter assembly connecting base comprises a base body, a sliding block and an engaging plate. The engaging plate is connected to the base body on one side. The engaging teeth are arranged on the other side of the engaging plate and engaged with the transmission assembly. The lifting driving mechanism is used for providing driving power so that the cutter assembly connecting base can move up and down to adapt to the requirements of mowing grass at different heights.
Owner:ZHEJIANG SAFUN IND +1

Supporting lifting platform for natural gas extraction equipment

The utility model discloses a support lifting platform for natural gas extraction equipment, which comprises a bottom plate, the upper surface of the bottom plate is rotatably connected with two screw rods, the surfaces of the two screw rods are both sleeved with screw rod sleeves in a threaded manner, the top ends of the two screw rod sleeves are fixedly connected with a support platform, and the upper surface of the bottom plate is fixedly connected with two fixed plates. A worm is rotationally connected between the two fixing plates, the surfaces of the two lead screws are fixedly sleeved with worm wheels, and the two worm wheels are engaged with the worm. By arranging the lead screw, the lead screw sleeve, the worm gear and the worm, the lead screw can be driven to rotate through rotation of the worm, so that the height of the supporting lifting platform can be adjusted, and the supporting lifting platform is conveniently suitable for underground operation at different heights; the problem that in the prior art, once a hydraulic system leaks pressure in the lifting process, a lifting platform can fall suddenly is solved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Architectural decoration energy-saving curtain wall

The utility model discloses an architectural decoration energy-saving curtain wall which comprises a curtain wall body, a cleaning brush is installed on the surface of the front end of the curtain wall body, a transmission machine box is installed on the surface of the rear end of the curtain wall body, and a driving motor is installed on one side of the transmission machine box. The driving motor is used for driving and controlling the cleaning brush to brush dirt on the surface of the curtain wall body, fixed rails are installed on the two sides of the curtain wall body, and a detachable structure is arranged between the curtain wall body and the fixed rails. By installing the cleaning brush structure which is convenient to drive and control, dirt on the surface of the building curtain wall can be automatically brushed and cleaned conveniently, so that the surface of the curtain wall body is effectively guaranteed to be clean and tidy, and the good decoration and attractive effect is achieved; and meanwhile, the surface of the curtain wall body can be cleaned by matching a single motor with a worm and gear transmission structure, the curtain wall has the advantages of being high in mechanical transmission efficiency and energy-saving, the whole curtain wall body is easy and convenient to assemble, and good practicability is achieved.
Owner:JIANGSU XINYU DECORATION

Water reducing agent synthesizing device

The utility model discloses a water reducing agent synthesis device, relates to the technical field of water reducing agents, and aims to solve the problems that the synthesis efficiency is relatively low due to different sizes of water reducing agent synthesis raw materials and reactants, and a water reducing agent mixture is easy to remain on a kettle wall during synthesis to influence the quality of a final product. A grinding mechanism is arranged at the top end of the reaction kettle corresponding to the feeding hole; a stirring assembly is arranged in the reaction kettle; according to the utility model, when the bidirectional worm drives the two worm gears to rotate, the two crushing rollers rotate to crush water reducing agent synthetic raw materials and reactants in the feed hopper, and when the stirring shaft drives the stirring blades and the stirring barrier to rotate, the scraping plate and the brush plate scrape and clean water reducing agent mixtures remaining and accumulated on the inner wall of the reaction kettle. The problems that the synthesis efficiency is low due to different sizes of water reducing agent synthesis raw materials and reactants, and a water reducing agent mixture is easy to remain on a kettle wall during synthesis to influence the quality of a final product are effectively avoided.
Owner:JU SUO BAO TECH CO LTD

Hydraulic valve group of electro-hydraulic numerical control bending machine

The utility model discloses a hydraulic valve group of electro -hydraulic numerical control bending machine specifically relates to hydraulic valve group technical field, including main valve body, the inside of main valve body is provided with liquid inlet pipe, and the output of liquid inlet pipe is installed with two shunt liquid supply pipe, and the inside of main valve body is installed with worm, and the upper end of worm is installed with screw rod, and the inside of main valve body is installed with two sliding rod, and the inside of main valve body is provided with adjusting plate, and adjusting plate is with screw rod thread connection, and adjusting plate is with two sliding rod sliding connection, and the lower end of adjusting plate is installed with four connecting rods. The utility model discloses through rotating handle drive connecting shaft and worm rotation, and worm drive worm rotation, and then drive upper end screw rod rotation, make and be connected with the adjusting plate of screw thread along two sliding rod vertical movement, and adjusting plate passes through four connecting rods again and drives four support arc plate synchronous lifting, finally makes support arc plate from main valve body inside tightly holds and clamps shunt liquid supply pipe, has realized the stable operation of hydraulic valve group.
Owner:ANHUI MCKENNICK INTELLIGENT EQUIP CO LTD

Welding numerical control machine tool

The invention discloses a welding numerical control machine tool which comprises a machine table, a welding assembly, a clamping rotating assembly, a conveying assembly and a grinding assembly, an isolation hood is fixedly installed on the machine table, numerical control equipment is arranged on the machine table, two pipes are arranged on the machine table, and a fixing table is fixedly connected to the machine table; the welding assembly is used for welding the pipes. Through the conveying assembly, a second motor is controlled to rotate reversely, a worm drives a worm gear to rotate reversely, a rotary column drives rubber pulleys to rotate, the two rubber pulleys achieve reverse synchronous rotation through meshing of a second gear, the non-welded position of the other end of a pipe is conveyed to the middle position, and then a new pipe is spliced with the pipe. And the electric telescopic rod drives the clamping block to conduct clamping again, welding is conducted through the welding assembly, continuous butt welding of the multiple pipes can be achieved through such circulation, and the continuous welding efficiency of the multiple pipes is improved.
Owner:南通通力油泵有限公司