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59results about How to "Reduce turning force" patented technology

Working method of steel bar bending equipment for building engineering

The invention relates to the technical field of steel bar bending machines, in particular to a working method of steel bar bending equipment for building engineering. The steel bar bending equipment for building engineering comprises a shell, a workbench is arranged at the top of the shell, a driving mechanism is arranged inside the shell, a torsion mechanism is arranged at the output end of the driving mechanism, an auxiliary mechanism fixedly connected with the shell is arranged on one side of the torsion mechanism, and an adjusting mechanism is arranged at the bottom of the shell. A drivinggear is used as a small gear to drive a driven gear to rotate as a large gear, the rotating force is small, the torsion force of a driving motor is reduced, the driving motor is prevented from beingburnt due to excessive load of the driving motor, the high-efficiency bending transmission can be realized by using the motor with lower power, and the driving motor is protected.
Owner:刘丽

Device capable of changing placement angle of solar cell panel andperforming cleaning and cooling

The invention relates to the technical field of photovoltaic power generation, and discloses a device capable of changing the placement angle of a solar cell panel and performing cleaning and cooling.The device comprises a cooling and cleaning device main body, a sliding groove is formed in the inner wall of the cooling and cleaning device main body, a sliding block is slidably connected to the interior of the sliding groove, and a spring is fixedly mounted at the bottom of the sliding groove. And a movable rod is movably connected to the right side of the sliding block, a rotating wheel is movably installed at the bottom of the movable rod, and a monopole magnet is fixedly installed on the right side of the rotating wheel. A solution in the reservoir is evaporated through irradiation oflight and enters the air bag, the weight of the reservoir is reduced, the rotating force of the rotating wheel is limited to be reduced, the single-pole magnet on the rotating wheel can be attracted by the other single-pole magnet, the rotating wheel rotates to jack up the sliding block, and the solar cell panel ascends. And when the light intensity of the left side is strong, the rising height ofthe left side is increased, and the effect of changing the angle of the solar cell panel according to different illumination intensities is achieved.
Owner:ZHEJIANG OYA OPTOELECTRONICS TECH

Logistics sorting mechanical arm device

The invention discloses a logistics sorting mechanical arm device. In the logistics sorting mechanical arm device, a vision system can be used for detection, a turnover mechanism is used for turnover,the turnover mechanism can rotate around the center telescopic axis of an arm telescopic mechanism, and to-be-sorted products can be turned over front and back; and the turnover mechanism can do telescopic motion in the direction parallel to the telescopic direction of the arm telescopic mechanism to turn over the to-be-sorted products left and right, objects of sorting logistics are detected, the products can be conveniently sorted to needed positions according to mounting and transporting information, and sorting efficiency and sorting accuracy are improved. Auxiliary pivot mechanisms can be hidden on and stretch out of the inner walls of clamping claws, and therefore during turnover, the auxiliary pivot mechanisms stretch out to clamp the to-be-sorted products, and the to-be-sorted products can conveniently rotate around the pivots of the auxiliary pivot mechanisms; and during grabbing, sorting and moving, the auxiliary pivot mechanisms are hidden in the clamping claws, so that theto-be-sorted products are grabbed and moved through the clamping claws, and large vibration is prevented from being generated to the objects during turnover.
Owner:HUAIAN COLLEGE OF INFORMATION TECH

Refrigerator clapboard capable of automatically controlling rotation

The invention discloses a refrigerator clapboard capable of automatically controlling rotation. The refrigerator clapboard capable of automatically controlling the rotation comprises a clapboard body (1) and further comprises a rotation control mechanism arranged on the clapboard body (1), the rotation control mechanism comprises a switch (7), a power supply (6), a micro-processor (5), a motor (4) and a turn plate (2), wherein the motor (4) is fixed on the clapboard body (1), and the output shaft of the motor (4) protrudes out of the surface of the clapboard body (1); the turn plate (2) is firmly connected with the output shaft of the motor (4) through a turn plate shaft (3) arranged at the bottom thereof; the switch (7) is used for controlling the power supply state of the power supply (6); when the power supply (6) supplies power, the micro-processor (5) generates a rotation signal and transmits the rotation signal to the motor (4), and the output shaft of the motor (4) rotates to drive the turn plate (2) to rotate. The refrigerator clapboard capable of automatically controlling the rotation is capable of automatically controlling the rotation, convenient for placing and taking, and more convenient for a refrigerator, and the use efficiency of the clapboard is improved.
Owner:苏州沃斯麦机电科技有限公司

Composite material roller and preparation method thereof

The invention belongs to the technical field of rollers, and discloses a composite material roller and a preparation method thereof. The composite material roller is mainly characterized at the technical aspect by comprising a core shaft with bearings, and a composite material layer is arranged on an outer side of the core shaft, so that under the condition that the diameter of the roller is not lengthened, the composite material layer on the outer side of the core shaft can be very thick; when the diameter of the roller becomes smaller and smaller slowly due to the friction of the roller during use, the performance of the roller cannot be impacted, the wear resisting property is high, and the service life is greatly prolonged. The composite material roller is further improved in such a manner that fin strips are arranged on the periphery of the composite material layer; the cross sections of the fin strips take the shapes of trapezoids or similar trapezoids of which the top ends are arc surfaces. Therefore, the material is saved, the cost of the roller is reduced, the mass and the rotational power of the roller can be reduced, energy waste is reduced effectively, the friction force between the roller and a conveying belt can be enlarged, and slipping between the roller and the conveying belt is avoided.
Owner:HENGSHUI HONGQI ROLLER MFG

Screw propulsion mechanism of high-voltage AC vacuum circuit breaker

The invention discloses a screw propulsion mechanism of a high-voltage AC vacuum circuit breaker. A propulsive plate is spliced with two screws; the two screws and an operating rod are inserted into a transmission case to form a double-screw transmission case assembly; one end of each screw, which is inserted into the transmission case, is provided with a large gear on an end head; one end of the operating rod, which is inserted into the transmission case, is provided with a small gear, and the end head of the one end of the operating rod is connected with a locked push plate; the two large gears are mutually meshed with the small gear; the double-screw transmission case assembly is arranged on the middle position inside a front assembling frame; and an interlocking lever penetrates through the front assembling frame and is provided with an interlocking crank arm. A stress point is changed from one point positioned in the middle of a single screw to a left stress point and a right stress point during feeding by adopting a double-screw structure, each stress point is half reduced in the magnitudes of stresses under the condition of unchanged feeding force, therefore the stress conditions of the front assembling frame are improved; the rigidity of the middle structure of the front assembling frame is strengthened through the design of the transmission case, and the deformation amount of the front assembling frame is obviously reduced, therefore the front assembling frame is suitable for a circuit breaker handcart with higher power.
Owner:CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD

Steel bar bending equipment and method for building engineering

The invention relates to the technical field of steel bar bending machines, in particular to steel bar bending equipment and method for building engineering. The steel bar bending equipment for building engineering comprises a shell, wherein a workbench is arranged at the top of the shell, a driving mechanism is arranged inside the shell, a torsion mechanism is arranged at the output end of the driving mechanism, an auxiliary mechanism fixedly connected with the shell is arranged on one side of the torsion mechanism, and an adjusting mechanism is arranged at the bottom of the shell. A drivinggear is used as a small gear to drive a driven gear to rotate as a large gear, the rotating force is small, the torsion force of a driving motor is reduced, the driving motor is prevented from being burnt due to excessive load, high-efficiency bending transmission can be realized by using the motor with lower power, and the driving motor is protected.
Owner:刘丽

Leakproof feeding device for plastic machinery production

ActiveCN113306049APrevent leakagePrevent feeding failureAir pumpControl theory
The invention discloses a leakproof feeding device for plastic machinery production. The device comprises a base, and is characterized in that the upper part of the base is connected with a turntable through a bearing, the inner side of the turntable is fixedly connected with a feeding bin, the left and right sides of the upper end of the feeding bin are fixedly provided with telescopic plates, the two telescopic plates are both connected with an air pump through pipelines respectively, a rotating shaft is fixed to the inner wall of the feeding bin, and a stirring disc is connected to the middle of the rotating shaft through a bearing. The leakproof feeding device for plastic machinery production comprises a feeding system, wherein the feeding system is electrically connected with the turntable, the inner wall of the feeding bin, the rotating shaft and the air pump. The feeding system comprises a scanning module, a data transmission module, a conversion module and a control module, the scanning module comprises an imaging module and a data judgment module, and the data transmission module comprises a transmission module and a receiving module. The feeding device has the advantages of intelligent feeding and the function of detecting and mixing materials.
Owner:南通鸿图健康科技有限公司

Transfer tool

A transfer tool comprises: a first support framer that is installed to be movable along a transfer tool guide track of a semiconductor processor; a pair of second support frames that is connected with the first support frame through a gap and has a plurality of pickups having gap therebetween and picking up the semiconductor devices; and a vertical gap controller for controlling the gap of the pair of the second support frames by moving a pair of second support frames, wherein the vertical gap controller includes: a vertical driving unit installed on the first support frame to generate a vertical driving force; and a linear moving unit installed on the first support frame and connected to the second support frame; the gap between the second support frames is controlled by the linear movement of vertical driving unit.
Owner:JT

Passive joint device, cable guide, and power transmission mechanism

A passive joint device, a cable guide, and a power transmission mechanism are provided. The passive joint device supports a rotation-side member so as to be rotatable in the vertical direction with respect to a fixed-side member about a horizontal axis, and is provided with: a cylindrical cam member, which is fixed to the fixed-side member, has a cylindrical surface about the horizontal axis, and has a pair of cam surfaces symmetrically arranged on the cylindrical surface by taking the horizontal axis as the center and obliquely formed along the horizontal axis; a pedestal having a pair of cam followers disposed inside a horizontal shaft fixed to the rotation-side member so as to be capable of sliding along the horizontal shaft, the cam followers being in surface contact with the pair of cams; and a spring which is disposed inside a horizontal shaft fixed to the rotation-side member and which biases the pedestal toward the fixed-side member along the horizontal shaft, wherein the pair of cam followers is brought into contact with the pair of cam surfaces by the force of the spring, and the pair of cam surfaces are pressed to apply an upward rotational force to the rotation-side member so as to reduce a downward rotational force of the rotation-side member generated by the weight applied to the rotation-side member.
Owner:株式会社卓越牵引力

Shock-proof check connector

The invention relates to an shock-proof check connector, which comprises a connector shell and a connecting nut arranged outside the shell and a check mechanism arranged between the connecting nut and the connector shell for preventing the connecting nut from rotating backward and becoming loose, wherein the check mechanism comprises a circle combining snap spring, an elastic ratchet ring and a baffle plate, which are compactly arranged between the connecting nut and the connector shell along an axis in turn; a retainer ring with an L-shaped axial section is sleeved outside the circle combining snap spring; the retainer ring is in rotation-stopping fit with the circle combining snap spring; the circle combining snap spring is arranged on the connector shell in a clearance manner and is in rotation-stopping fit with the elastic ratchet ring; an elastic suspension arm extending circumferentially is integrally arranged on the outer circle of the elastic ratchet ring; the suspended end of the elastic suspension arm is provided with a raised gear rising outward radially; and a ratchet in corresponding unidirectional meshing with the raised gear is arranged in the connecting nut. The connector can effectively perform checking and is suitable to be used in environments with shocking.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD

Digital generator three-in-one switch

The invention provides a digital generator three-in-one switch, and belongs to the technical field of internal combustion engines. The technical problem that operation of existing digital generator switches is troublesome is solved. The digital generator three-in-one switch comprises a switch base, a rotary knob, a flameout switch body, an oil tank switch body and a throttle wire switch body, and the flameout switch body, the oil tank switch body and the throttle wire switch body are arranged on the inner side of the switch base. The three-in-one switch further comprises a rotary shaft rotatably connected to the inner side of the switch base. The rotary knob is located on the outer side of the switch base and connected with the outer end of the rotary shaft. The flameout switch body and the throttle wire switch body are located on the two sides of the rotary shaft correspondingly. The rotary shaft is connected with a pressing rod capable of enabling the flameout switch body to be connected or disconnected. The rotary shaft is further connected with a pull ring capable of rotating relative to the rotary shaft. The free end of an inhaul cable in the throttle wire switch body is fixed to the pull ring. A shifting part is arranged between the rotary shaft and the pull ring and is capable of driving the pull ring to rotate along with the rotary shaft and tensioning the inhaul cable when the rotary shaft rotates to a certain position. The oil tank switch body rotates synchronously with the rotary shaft. The digital generator three-in-one switch has the advantage that starting operation of a digital generator is simpler.
Owner:WENLING JENNFENG IND

Aseptic butt joint valve

The invention discloses an aseptic butt joint valve. The aseptic butt joint valve comprises a first valve, a second valve and a cover opening mechanism, wherein the first valve is provided with a fixed valve body and a first movable valve cover, the second valve is provided with a movable valve body and a second movable valve cover, and the cover opening mechanism is used for, when the first movable valve cover cooperates with the second movable valve cove, driving the first movable valve cover to do turnover motion so as to open or close the second movable valve cover; and the cover opening mechanism comprises a driving assembly and a transition piece driven by the driving assembly, one end of the transition piece back to the driving assembly is connected to the first movable valve cover,the driving assembly drives the transition piece to rotate so as to drive the first movable valve cover to do turnover motion, and the second movable valve cover can be opened or closed automaticallythrough forward or reverse turnover motion. According to the aseptic butt joint valve, a rotating point of the transition piece serves as a fulcrum, the driving assembly and the first movable valve cover are correspondingly located on the two sides of the rotating point of the transition piece, and the lever principle is formed, so that the acting force required by rotation of the first movable valve cover is reduced; and the transition piece is further used as a balancing weight which is used for balancing balance weights on the two sides of the fulcrum.
Owner:苏州奥特科然医疗科技有限公司

Anti-eccentric-wear roller type hydraulic tappet valve rocker arm combined device

The invention discloses an anti-eccentric-wear roller type hydraulic tappet valve rocker arm combined device which comprises a rocker arm shaft, a valve rocker arm, a hydraulic tappet, a roller and a valve bridge. The rocker arm shaft is sleeved with the valve rocker arm, and the valve rocker arm can swing with the rocker arm shaft as the axis. The hydraulic tappet is arranged at the end part of the valve rocker arm and can move along with the valve rocker arm. The roller is arranged at the lower end part of the hydraulic tappet and can move along with the hydraulic tappet. The valve bridge is arranged below the hydraulic tappet, the top of the valve bridge is provided with a contact plane, and the roller abuts against the contact plane, so that the valve bridge can move along with the hydraulic tappet. According to the anti-eccentric-wear roller type hydraulic tappet valve rocker arm combined device, the problems of eccentric wear and overturning of a valve can be finally solved by improving the stress point change problem of the valve rocker arm and the valve bridge.
Owner:GUANGXI YUCHAI MASCH CO LTD

Anti-eccentric-wear ball type valve rocker arm combined device

The invention discloses an anti-eccentric-wear ball type valve rocker arm combined device which comprises a rocker arm shaft, a valve rocker arm, an adjusting bolt, a ball, a valve bridge and a valve. The valve rocker arm is arranged on the rocker arm shaft in a sleeving manner, and the valve rocker arm can swing with the rocker arm shaft as the axis. The adjusting bolt is arranged at the end of the valve rocker arm and can move along with the valve rocker arm. The ball is arranged at the lower end of the adjusting bolt and can move along with the adjusting bolt. The valve bridge is arranged below the adjusting bolt, a guide groove is formed in the top of the valve bridge, and the ball abuts against the guide groove so that the valve bridge can move along with the adjusting bolt. According to the anti-eccentric-wear ball type valve rocker arm combined device, the problems of eccentric wear and overturning of the valve can be finally solved by reducing the problem of stress point changing of the valve rocker arm and the valve bridge.
Owner:GUANGXI YUCHAI MASCH CO LTD

Rotary locking device and ultrasonic device

The invention provides a rotary locking device and an ultrasonic device, the rotary locking device is suitable for a carotid artery scanning ultrasonic device, the carotid artery scanning ultrasonic device comprises a head sleeve and a probe scanning device, and the rotary locking device is arranged between the side wall of the head sleeve and the probe scanning device; the rotary locking device comprises a first locking part and a second locking part which can be locked with each other, and the first locking part is fixedly connected with the side wall; the second locking part is connected with the probe scanning device; wherein in a power-on state, the first locking part and the second locking part are mutually locked, so that the probe scanning device is locked on the side wall; and ina power-off state, the probe scanning device rotates relative to the side wall.
Owner:VINNO TECH (SUZHOU) CO LTD

Process for fast cutting round steel axially

The invention discloses a process for fast cutting round steel axially. According to the process, a lifting mechanism and a support mechanism are involved. The support mechanism comprises a flat plate. The two ends of the flat plate are each provided with a vertical plate. The two vertical plates are parallel to each other and installed on the flat plate perpendicularly. A bearing is installed in each vertical plate. A roller is installed between the two bearings. The lifting mechanism is installed on a triangular support and connected with the bottom of the flat plate. According to the process for fast cutting the round steel axially, in the cutting course, the supporting function of two supporting points is always applied to the round steel, so that the horizontal position state of the round steel is kept, and the defect that in the round steel cutting course, due to the function of the gravity of the round steel, one end of a workpiece cut is upwards-warped when the cut is deepened, and thus the cut of the cut round steel is inclined is overcome. Through the mode that rotary handles are arranged on a rotary barrel, force arms can be added, and rotating force is reduced.
Owner:黄鸣

A Piezoelectric Beam Energy Harvester with Axle End Suspension

The invention relates to a runner-type piezoelectric beam energy harvester with a suspended shaft end, and belongs to the field of piezoelectric power generation. A left end cover and a right end cover are arranged at the left side and the right side of a runner respectively; metal substrates provided with cantilever beams are crimped between the left end cover and the side wall of the runner and the right end cover and the side wall of the runner respectively; each metal cantilever beam and an adhered piezoelectric crystal plate form a piezoelectric vibrator; an excited magnet is arranged at a free end of each piezoelectric vibrator, is arranged close to the runner and is arranged in a rectangular guide groove in the side surface of the runner; a cantilever shaft of a gear is arranged in a center hole of the runner and the end part is connected with the right end cover; the cantilever shaft and a ring cavity in the runner form a slideway; a cylindrical exciter made of a non-ferromagnetic material is arranged in the slideway; and exciting magnets are inlaid into two ends of the exciter. The runner-type piezoelectric beam energy harvester with the suspended shaft end has the features and advantages that a fixed support is not needed, the structure is simple and the rotating force on the exciter is small; the piezoelectric vibrators are reasonable in structure and the stresses of various points are the same after deformation; the piezoelectric vibrators are high in generating capacity, high in reliability and wide in effective band; and the runner-type piezoelectric beam energy harvester can be applied to the occasion of coaxial cantilever shaft gear and multi-gear as a standard component.
Owner:常州昂德工业装备科技有限公司

Tread pattern structure capable of reducing rotative force

The present invention relates to a tire tread pattern structure which is related to the steering stability of a vehicle and reduces the turning force, and in particular relates to such a tire tread pattern structure which reduces the turning force. , which can prevent the large roll phenomenon when turning sharply while walking. In the tire tread pattern structure for reducing the rotational force of the present invention, the pattern has zigzag transverse grooves; the transverse grooves (2) of the central part (4) of the tire tread (1) and the transverse grooves of the shoulder part are The horizontal horizontal line H is inclined by a predetermined angle as a reference. Wherein, the angle α of the lateral groove (2) of the central part (4) of the tread (1) is 7° or more and 15° or less based on the horizontal transverse line H, and the angle α of the shoulder part (5) The angle β of the lateral groove (3) is 0° or more and 5° or less with respect to the horizontal horizontal line H as a reference.
Owner:HANKOOK TIRE WORLDWIDE

Large stroke precision two-stage electric cylinder

The invention relates to a large-stroke precision two-stage electric cylinder. The large-stroke precision two-stage electric cylinder comprises a two-stage piston assembly, an electric input assemblywhich provides power for the expansion and contraction of the two-stage piston assembly and a cylinder body assembly with the cross section being square, wherein the electric input assembly is fixed on the cylinder body assembly, the two-stage piston assembly is sleeved in the cylinder body assembly, one end of the two-stage piston assembly is in transmission connection with the electric input assembly, and the other end of the two-stage piston assembly stretches out of the cylinder body assembly. The large-stroke precision two-stage electric cylinder is characterized in that the two-stage piston assembly comprises a first-stage lead screw piston assembly which is in transmission connection with the electric input assembly and a second-stage lead screw piston assembly which is coaxially installed in the first-stage lead screw piston assembly, the first-stage lead screw piston assembly is in transmission connection with the second-stage lead screw piston assembly, the movement of a leadscrew of the first-stage lead screw piston assembly drives the second-stage lead screw piston assembly to synchronously move, and synchronous expansion and contraction of the first-stage lead screw piston assembly and the second-stage lead screw piston assembly are achieved. The large-stroke precision two-stage electric cylinder is small in installation space, capable of meeting large-stroke requirements, high in transmission speed, high in use reliability and high in durability and stroke precision.
Owner:SHENZHEN XIANGJU IND CO LTD

Herringbone gear cogging-down fixing device

The invention discloses a herringbone gear cogging-down fixing device which aims at overcoming the technical problems of large labor intensity in changing herringbone gear processing positions during the cogging down of a herringbone gear. The herringbone gear cogging-down fixing device comprises a fixing block, a core shaft and a herringbone gear pressure plate, wherein a bolt hole for fixing with a planer table is arranged on the fixing block; the external end part of the core shaft is provided with a pressure plate fixing bolt hole; and when a herringbone gear is mounted on the core shaft, the pressure plate presses the herringbone, and the pressure plate is fixed to the end part of the core shaft through the fixing bolt. The herringbone gear cogging-down fixing device is characterized in that the middle part of the fixing block is provided with a core shaft through hole which runs through the contact face of the fixing block and the planar table and the contact face of the fixing block and the herringbone gear, a bearing mounting table and a bearing cover plate mounting table are arranged in the core shaft through hole, and a bearing is arranged in the core shaft through hole and sealed by a bearing cover plate; and the core shaft is positioned in the core shaft through hole and supported by the bearing,. The fixing device has a reasonable and scientific structure, is conveniently operated, and can be widely applied to machining of herringbone gears.
Owner:RONGCHENG METAL FORMING MACHINE GROUP

Method for conducting cutting blanking on cylindrical steel

The invention discloses a method for conducting cutting blanking on cylindrical steel. According to the method, a lifting mechanism and a support mechanism are involved. The support mechanism comprises a flat plate. The two ends of the flat plate are each provided with a vertical plate. The two vertical plates are in parallel and installed on the flat plate perpendicularly. The inner sides of the two vertical plates are each provided with a U-shaped trough. A roller is installed in the two U-shaped troughs. The lifting mechanism is installed on a triangular support and connected with the bottom of the flat plate. According to the method for conducting cutting blanking on the cylindrical steel, in the cutting course, the supporting function of two supporting points is always applied to the steel, so that the horizontal position state of the steel is kept, and the defect that in the steel cutting process, due to the function of the gravity of the steel, one end of a workpiece cut is upwards-warped when the cut is deepened, and thus the cut of the cut steel is inclined is overcome. Through the mode that rotary handles are arranged on a rotary barrel, force arms can be added, and rotating force is reduced.
Owner:黄鸣

Integrated automatic careful selection device and method for dried Chinese wolfberry fruits

The invention discloses an integrated automatic careful selection device and method for dried Chinese wolfberry fruits. The integrated automatic careful selection device comprises a shell and is characterized in that an end cover is connected to the upper portion of the shell through a bearing, filter discs are slidably connected to the inner walls of the left side and the right side of the interior of the shell, a material accumulation disc is fixedly connected to the lower portions of the filter discs, and a screening assembly is fixedly connected to the lower portion of the material accumulation disc; the right side of the material accumulation disc is connected with a material suction pump through a pipeline, the material suction pump is electrically connected with an external power source, the filter discs and the material accumulation disc are both made of elastic materials, the screening assembly comprises a motor, the right side of the motor is slidably connected with the inner wall of the shell, a first fluted disc is fixed to the left side of the motor, and the left side of the first fluted disc is slidably connected with the inner wall of the shell; and a second fluted disc is meshed with a gear above the first fluted disc, a volute spiral spring is arranged in the middle of the interior of the second fluted disc, and the left side and the right side of the second fluted disc are both slidably connected with the inner wall of the shell. The integrated automatic careful selection device has the beneficial effects that the screening effect is good, and high-efficiency dust removal is achieved.
Owner:宁夏百事恒兴食品科技有限公司

Lifting support device for binding ring part of high-voltage-grade device body

The invention relates to a lifting support device for binding a ring part of a high-voltage-grade device body, which comprises four supporting structures, rotating mechanisms and lifting mechanisms, and is characterized in that the supporting surface of each supporting structure is in planar contact with a current transformer body; each supporting structure is installed on an independent lifting mechanism, each supporting structure is provided with an independent rotating mechanism, and it is always guaranteed that the device body is supported by the planes of at least three supporting structures in the binding process; the four supporting structures are installed on an overall base through supports in an independent rotating mode, the overall base is provided with a fixed stand column, the supports are installed on the outer circle of the fixed stand column through four connecting plates respectively, and a horizontal supporting plate is installed above the supports. According to theinvention, the lifting mechanism is changed to ascend or descend, the handle is provided with a spring mechanism, the rotating direction is limited by a wedge-shaped positioning block, and the rotating force is buffered; the top of a lead screw is provided with a bearing for connecting the supporting plate, so that the rotating process does not influence the position of the device body.
Owner:特变电工康嘉(沈阳)互感器有限责任公司

An outdoor storage fan

The invention discloses an outdoor foldable fan. The outdoor foldable fan comprises a stator and a rotor of a motor, wherein the stator and the rotor can slide relative to each other. The rotor is provided with a polygonal through hole. A polygonal rotating shaft is arranged on the polygonal through hole. One end of the polygonal rotating shaft is connected with a front end face through a first bearing. The circumferential direction of the front end face is rotationally connected with one end of a plurality of front frameworks. The outer side of the stator is rotationally connected with one end of each of a plurality of back frameworks. The other end of each back framework is correspondingly and rotationally connected with the other end of the corresponding back framework. The portion, between the front end face and the motor, of the polygonal rotating shaft is rotationally provided with fan blades. The polygonal rotating shaft is provided with a protruding ring used for locating the fan blades. The other end of the polygonal rotating shaft is connected with a supporting rod through a second bearing. The supporting rod is identical with the polygonal rotating shaft in peripheral structure. The outer ring of the second bearing is rotationally connected with the supporting rod. The side face of the stator is provided with a clamping portion. The end of the supporting rod is provided with a drill bit. The outdoor foldable fan can be folded and is large in blowing capacity, convenient to carry and convenient to place and locate in various outdoor environments.
Owner:NINGBO JIANGBEI YIHE IND DESIGN

Slack-preventing connector

The invention relates to a slack-preventing connector comprising a connector casing. A connecting screw cap is assembled outside the connecting casing; a slack-preventing mechanism for preventing the connecting screw cap from reversing and slacking is arranged between the connecting screw cap and the connector casing and comprises a doubling-up jump ring, an elastic ratchet ring and a baffle which are pressed between the connecting screw cap and the connector casing along the axial line in sequence; the doubling-up jump ring is in interference passing installation with the connector casing and is in check swing fit with the elastic ratchet ring; an outer ring of the elastic ratchet ring is integrally provided with an elastic cantilever extending along the circumferential direction; convexteeth protruding outwards along the radial direction are arranged at the tail end of the elastic cantilever; the connecting screw cap is internally provided with ratchets which are correspondingly and unidirectionally meshed with the convex teeth; a circular bead is arranged on the outer circumferential surface of the connector casing; an annular table is arranged on the inner circumferential surface of the connecting screw cap; and an anti-backlash spring is pressed between the annular table and the circular bead. The connector can effectively prevent slack and is applicable for environmentswith vibration.
Owner:CHINA AVIATION OPTICAL-ELECTRICAL TECH CO LTD
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