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38results about How to "From impact" patented technology

Anti-collision device of automatic ultrasonic flaw detection system

The invention discloses an anti-collision device of an automatic ultrasonic flaw detection system. An elastic element is sleeved outside a probe, and a protection cover is sleeved outside the elastic element. The upper end of the protection cover is connected with one end of a first connecting rod through a first hinge. The middle part of the first connecting rod is connected with one end of a mounting bracket through a second hinge. The other end of the first connecting rod is connected with one end of a second connecting rod through a third hinge. The other end of the second connecting rod is connected with one end of an inverted L-shaped connecting rod through a fourth hinge. The inverted L-shaped connecting rod is sleeved on the middle part of the mounting bracket, and the upper end face of the inverted L-shaped connecting rod is suspended at the inner side face of the mounting bracket through a spring. The lower end face of the inverted L-shaped connecting rod is connected with a micro-switch contact fixed in a fixed mount. When a foreign body hits the protection cover, the protection cover drives the first connecting rod to rotate around the second hinge so as to drive the second connecting rod to deflect a certain angle and drive the third connecting rod to move downwards to touch the micro-switch, then the moving system is stopped automatically so as to stop the movement of the probe to avoid collision of the expensive probe.
Owner:ZHEJIANG UNIV

Vertical shaft rotation type drawing mechanism for forage grass cutting flatting mill

The invention provides a vertical shaft rotation type drawing mechanism for a forage grass cutting flatting mill. The vertical shaft rotation type drawing mechanism comprises a first horizontal shaft protecting cover, a first horizontal shaft, a bevel gear, a power input box, a rotation box, a vertical shaft, a second horizontal shaft, a connecting plate, a limiting box, a connecting frame, a cylindrical roller and a supporting frame. A tractor transmits power to the first horizontal shaft, the first horizontal shaft transmits power to the vertical shaft, the vertical shaft transmits power to the second horizontal shaft, the second horizontal shaft transmits power to the forage grass cutting flatting mill, and power transmission is finished. When the tractor makes a turn, a power transmission system works normally, the power input box and the limiting box make a turn together with the tractor, the power input box rotates around the vertical shaft with the axis of a round sleeve as the center, and the forage grass cutting flatting mill can be immobile at the original position. When the tractor continues to run after making a turn, the rotation box is subject to forward traction and pulls the forage grass cutting flatting mill to work. When the vertical shaft rotation type drawing mechanism is in work, the supporting frame is put away and locked at 0 degree; after the work is finished, the supporting frame is placed down to be locked at 90 degrees, and the forage grass cutting flatting mill is supported.
Owner:HEILONGJIANG INST OF PASTURAGE MECHANISATION

Intelligent aviation seat

The invention belongs to the technical field of aviation equipment and in particular relates to an intelligent aviation seat. The intelligent aviation seat comprises a base; telescopic casings are fixedly connected to the surfaces of the two sides of the base; buffering springs are fixedly connected to the internal bottom walls of the telescopic casings; telescopic rods are slidingly inserted in the internal walls of the telescopic casings; limiting blocks are fixedly connected to one ends of the telescopic rods; the surfaces of the limiting blocks are slidingly inserted in the internal wallsof the telescopic casings; the lower surfaces of the limiting blocks are fixedly connected with one ends of the buffering springs; supporting seats are fixedly connected to the other ends of the telescopic rods; bearings are fixedly connected to the internal walls of the supporting seats; rotating shafts are fixedly connected to the inner rings of the bearings; and shells are fixedly connected toone ends of the two rotating shafts. According to the intelligent aviation seat, as the telescopic casings are fixedly connected to the surfaces of the two sides of the base, the buffering springs arefixedly connected to the internal bottom walls of the telescopic casings, and the telescopic rods are slidingly inserted in the internal walls of the telescopic casings, the aircraft bumpiness and impact on an aircraft are reduced, and injuries to passengers are reduced.
Owner:郑培清

Electric power facility safety warning pile based on alarm function

InactiveCN112878234AFrom impactPlay the role of sound and light alarmTraffic signalsRoad signsInfraredElectric machine
The invention discloses an electric power facility safety warning pile based on an alarm function, and relates to the technical field of electric power facility warning. An upper pile shell capable of downwards sliding into or upwards extending out of an inner cavity of a lower pile shell is slidably connected into the lower pile shell, a lifting mechanism for driving the upper pile shell to move up and down is arranged in the lower pile shell, a controller is in signal connection with an infrared sensing device, and the controller is electrically connected with a light source plate and a loudspeaker. The lower pile shell is buried underground, when a person, a vehicle or other objects get close to the upper pile shell at night, the infrared sensing device detects a signal and feeds back the signal to the controller, the controller controls a motor to operate, the upper pile shell moves downwards to completely enter the inner cavity of the lower pile shell, therefore the upper pile shell is prevented from being collided, a safety warning pile is protected, and then the controller starts the light source plate and the loudspeaker, so that the sound-light alarm function is achieved, and passing personnel are reminded that electric power facilities exist nearby.
Owner:安徽正量科技有限公司

Anti-collision device of automatic ultrasonic flaw detection system

The invention discloses an anti-collision device of an automatic ultrasonic flaw detection system. An elastic element is sleeved outside a probe, and a protection cover is sleeved outside the elastic element. The upper end of the protection cover is connected with one end of a first connecting rod through a first hinge. The middle part of the first connecting rod is connected with one end of a mounting bracket through a second hinge. The other end of the first connecting rod is connected with one end of a second connecting rod through a third hinge. The other end of the second connecting rod is connected with one end of an inverted L-shaped connecting rod through a fourth hinge. The inverted L-shaped connecting rod is sleeved on the middle part of the mounting bracket, and the upper end face of the inverted L-shaped connecting rod is suspended at the inner side face of the mounting bracket through a spring. The lower end face of the inverted L-shaped connecting rod is connected with amicro-switch contact fixed in a fixed mount. When a foreign body hits the protection cover, the protection cover drives the first connecting rod to rotate around the second hinge so as to drive the second connecting rod to deflect a certain angle and drive the third connecting rod to move downwards to touch the micro-switch, then the moving system is stopped automatically so as to stop the movement of the probe to avoid collision of the expensive probe.
Owner:ZHEJIANG UNIV

Combined type high-power semiconductor chip

The invention provides a combined type high-power semiconductor chip and belongs to the technical field of power electronic semiconductor devices. The combined type high-power semiconductor chip comprises a package body, a chip, molybdenum pieces and copper pieces, wherein the package body comprises an inner abnormally-shaped annular ring and an outer abnormally-shaped annular ring; an inward protruded clamping ring is arranged on the inner wall of the upper part of the outer abnormally-shaped annular ring (102); an inward protruded limiting block is arranged at the bottom of the outer abnormally-shaped annular ring (102); a groove which is combined with the clamping ring on the inner wall of the outer abnormally-shaped annular ring in a matched way is arranged on the outer edge of the inner abnormally-shaped annular ring (107); an inward protruded limiting block is arranged at the upper end of the inner abnormally-shaped annular ring (107); a lower copper piece (101), a lower molybdenum piece (103), the chip (104) and the inner abnormally-shaped annular ring are arranged in the outer abnormally-shaped annular ring; and an upper molybdenum piece (105) and an upper copper piece (106) are arranged in the inner abnormally-shaped annular ring. By the combined type high-power semiconductor chip, the chip, the molybdenum pieces and the copper pieces can be compressed with one another according to pressure of an outer clamping device, and aims of high product yield, low thermal stress, improvement on thermal cycle frequency, low cost, and convenience and quickness of assembly arefulfilled.
Owner:ANHUI PROVINCE QIMEN COUNTY HUANGSHAN ELECTRIC APPLIANCE

Buffer structure and packaging structure

The invention relates to the technical field of packaging, and particularly discloses a buffering structure and a packaging structure.The buffering structure comprises a buffering body, an upper buffering piece and a lower buffering piece, a buffering cavity is formed in the side, facing a mounting cavity, of the buffering body, and a containing space used for containing a product is defined by the buffering cavity; therefore, the product in the accommodating space can be limited and propped against the cavity wall of the buffer cavity. The unmanned aerial vehicle is placed in the containing space, the cavity wall of the buffering cavity abuts against the unmanned aerial vehicle in a limiting mode so that the position of the unmanned aerial vehicle can be fixed, the opening of the containing space is blocked through the upper buffering part and the lower buffering part so that the unmanned aerial vehicle can be limited in the containing space, the outer side of the buffering structure is sleeved with the packaging structure, and packaging of the unmanned aerial vehicle is achieved. Through the arrangement of the buffer cavity, the unmanned aerial vehicle can be limited and fixed in the containing space, the unmanned aerial vehicle is prevented from shaking and being damaged in the containing space, and in the transportation process, the buffer cavity can absorb impact force and protect the unmanned aerial vehicle from being impacted.
Owner:GEER TECH CO LTD

Cold accumulation heat preservation box temperature control equipment utilizing eddy current technology

The invention discloses cold accumulation heat preservation box temperature control equipment utilizing an eddy current technology. The cold accumulation heat preservation box temperature control equipment comprises a box body and an eddy current temperature control circuit board, the interior of the box body is fixedly provided with a vacuum heat insulation plate, a gas blocking layer is fixedlyarranged on the inner wall of the vacuum heat insulation plate, a core material is arranged inside the gas blocking layer, the inner wall of the core material is fixedly provided with a plurality of gas getters, the eddy current temperature control circuit board is welded on the front surface of the vacuum heat insulation plate, and a current source connecting port is integrally formed in the surface of the eddy current temperature control circuit board. According to the cold accumulation heat preservation box temperature control equipment utilizing the eddy current technology, the circuit isa self-excited oscillation type converter so as to be used to generate high-frequency current and then to generate a high-frequency alternating magnetic field; and the temperature control circuit is acompletely autonomous system which does not need external signals, and therefore, the system cost can be reduced to a great extent, meanwhile, the requirement for a phase-splitting converter is alsoreduced, moreover, the weight and the size of a direct-current inductor can be reduced, and the practicability of a cold accumulation heat preservation box is improved.
Owner:芜湖英特杰智能科技有限公司

Vertical shaft rotary traction mechanism of forage harvesting and flattening machine

The invention provides a vertical shaft rotation type drawing mechanism for a forage grass cutting flatting mill. The vertical shaft rotation type drawing mechanism comprises a first horizontal shaft protecting cover, a first horizontal shaft, a bevel gear, a power input box, a rotation box, a vertical shaft, a second horizontal shaft, a connecting plate, a limiting box, a connecting frame, a cylindrical roller and a supporting frame. A tractor transmits power to the first horizontal shaft, the first horizontal shaft transmits power to the vertical shaft, the vertical shaft transmits power to the second horizontal shaft, the second horizontal shaft transmits power to the forage grass cutting flatting mill, and power transmission is finished. When the tractor makes a turn, a power transmission system works normally, the power input box and the limiting box make a turn together with the tractor, the power input box rotates around the vertical shaft with the axis of a round sleeve as the center, and the forage grass cutting flatting mill can be immobile at the original position. When the tractor continues to run after making a turn, the rotation box is subject to forward traction and pulls the forage grass cutting flatting mill to work. When the vertical shaft rotation type drawing mechanism is in work, the supporting frame is put away and locked at 0 degree; after the work is finished, the supporting frame is placed down to be locked at 90 degrees, and the forage grass cutting flatting mill is supported.
Owner:HEILONGJIANG INST OF PASTURAGE MECHANISATION

Anti-collision device for probe of ultrasonic inspection system

The invention discloses an anti-collision device for a probe of an ultrasonic inspection system. An elastic element is sleeved outside the probe; a protective cover is sleeved outside the elastic element; the upper end of the protective cover is connected with one end of a first connecting rod through a hinge; the middle part of the first connecting rod is connected with a fixing bracket through a spherical part; the other end of the first connecting rod is connected with one end of a second spherical connecting rod through a hemispherical part; the other end of the second spherical connecting rod is connected with one end of a reverse L-shaped hemispherical connecting rod; the reverse L-shaped connecting rod is sleeved on the middle of the fixing bracket; meanwhile, the upper end face ofthe reverse L-shaped connecting rod is hung on the inner side face of the fixing bracket through a spring; and the lower end face of the reverse L-shaped connecting rod is connected with an inching switch contact arranged in the fixing bracket. When a foreign body knocks down the protective cover, the protective cover drives the first connecting rod to rotate around a second hinge so as to drive the second connecting rod to deflect for an angle and drive a third connecting rod to move downwards to touch the inching switch to automatically stop a movement system to stop the probe so as to protect the expensive probe from being knocked.
Owner:ZHEJIANG UNIV

A wear-resistant sleeve for an outboard motor starting wheel and an assembly process method thereof

The invention discloses a wear-resistant sleeve for a starting wheel of an outboard engine and an assembly process method thereof. The wear-resistant sleeve is characterized in that an insert sleeve body is sequentially provided with a plurality of sections with outer diameters from large to small, wherein a middle section is a cone; the outer diameter of the section with the minimum diameter in three sections is in interference fit with an bearing inner hole of a starting cover of the outboard engine; a plurality of lug bosses extending in a radial direction are arranged at the end of the section with the minimum diameter of the insert sleeve body; an arc chamfer is arranged at the end of the inner hole of the section with the minimum diameter of the insert sleeve body; and the insert sleeve body and the starting cover of the outboard engine are laminated into an integrated structure when the starting cover of the outboard engine is in a thermal expansion state. The insert sleeve bodyformed through compression molding by adopting bakelite powder has high wear resistance and high accuracy and is free from the influence of outward friction force when a nylon starting rope is pulledso as to avoid falling; the fluffing and breaking phenomena of the nylon starting rope are reduced, and the personal safety of a user is ensured; and the qualified rate of starting cover combinationproducts is greatly improved.
Owner:浙江沧龙动力机械有限公司

Fluidized bed combustion furnace and combustion method

The invention discloses a fluidized bed combustion furnace and a combustion method. The fluidized bed combustion furnace comprise a fluidized combustion area and a rotary drying and layer combustion area; a material inlet of a fluidized bed is arranged on the rotary drying and layer combustion area, and the rotary drying and layer combustion area communicates with the fluidized combustion area; the rotary drying and layer combustion area is used for realizing rotary drying and layer combustion of materials; and the fluidized combustion area is used for carrying out fluidized combustion on thematerials which have passed through the rotary drying and layer combustion area. The materials enter the combustion furnace through the material inlet of the fluidized bed, and are firstly stacked inthe rotary drying and layer combustion area for rotation, drying and partial layer combustion, and continuously input materials extrude the materials subjected to drying and layer combustion out of the rotary drying and layer combustion area and enter the fluidized combustion area for fluidized combustion. By means of the technical scheme in the invention, the problems that in an existing fluidized bed combustion technology, the requirement on the particle size of materials is high, crushing treatment is needed firstly, the energy consumption is large, and the residence time of fuel in a furnace is too short, so that large-particle materials and high-humidity materials cannot be fully combusted are solved.
Owner:JIANGSU UNIV +1
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