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4177 results about "Bellows" patented technology

A bellows or pair of bellows is a device constructed to furnish a strong blast of air. The simplest type consists of a flexible bag comprising a pair of rigid boards with handles joined by flexible leather sides enclosing an approximately airtight cavity which can be expanded and contracted by operating the handles, and fitted with a valve allowing air to fill the cavity when expanded, and with a tube through which the air is forced out in a stream when the cavity is compressed. It has many applications, in particular blowing on a fire to supply it with air.

Method and equipment for quickly detecting defects of corrugated pipe

The invention relates to the technical field of corrugated pipe detection, and discloses a corrugated pipe defect rapid detection method and device.The corrugated pipe defect rapid detection method comprises the steps that physical state information of a corrugated pipe is obtained, and physical parameters of the corrugated pipe are collected at different time frequencies through a multi-parameter sensing network; a corrugated pipe multi-time scale physical parameter data matrix is generated; the corrugated pipe multi-time-scale physical parameter data matrix is converted into unified tensor representation, a multi-scale tensor set is generated through wavelet transform, and correlation strength between different scales is calculated; according to the method, a brand new technical path is provided for the field of corrugated pipe defect detection through the space-time physical multi-scale mapping technology, advanced prediction and accurate diagnosis of corrugated pipe defects are achieved by establishing the mapping relation from microscopic physical changes to macroscopic defect expressions, effective technical guarantee is provided for safe operation of corrugated pipes, and the method is suitable for popularization and application. And a remarkable economic value is created.
Owner:JIANGSU YANGGUANG MACHINERY MFG

Deformation and bearing integrated modular rope-driven flexible mechanical arm and self-sensing method thereof

The invention discloses a deformation and bearing integrated modular rope-driven flexible mechanical arm and a self-sensing method thereof.The flexible mechanical arm comprises a driving mechanism and a variable-rigidity flexible mechanical arm body, the variable-rigidity flexible mechanical arm body comprises a rope, a corrugated pipe and elastic units, and the multiple elastic units are filled in an inner cavity of the corrugated pipe; the corrugated pipe is provided with a rope guide hole extending in the axial direction of the corrugated pipe, one end of the rope is fixedly connected with the power output end of the driving mechanism, the other end of the rope penetrates through the rope guide hole and is fixedly connected with the corrugated pipe, and when the driving mechanism works, the rope can be driven to move, and then the mechanical arm is pulled to deform. The flexibility of the mechanical arm is improved through fusion of active deformation and a bearing function, additional rigid structure supporting is not needed, and the overall design is simplified; and the bearing capacity and rigidity are adaptively improved through blocking of the elastic units, and the complexity of the driving system is reduced. Meanwhile, the mechanical arm is provided with a self-sensing system, the state of the mechanical arm can be monitored in real time, and the control precision is improved.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Valve, in particular a vacuum valve

A valve on which a valve plate is arranged in a valve housing interior space of a valve housing and fixed to a shaft, in which the valve plate together with the shaft can be displaced back and forth in directions parallel to a shaft longitudinal axis between a closed position and an intermediate position, and by rotation of the shaft about the shaft longitudinal axis can be pivoted back and forth between the intermediate position and a maximum open position. A shaft leadthrough for sealing the shaft with respect to the valve housing has a bellows which can be expanded and pushed together in the directions parallel to the shaft longitudinal axis, a first bellows end of this bellows being fixed to the valve housing, and a shaft sealing ring in which the shaft is rotatably mounted, being arranged on a second bellows end.
Owner:VAT HOLDING AG

Polytetrafluoroethylene compensator with good corrosion resistance and preparation method thereof

The invention discloses a polytetrafluoroethylene compensator with good corrosion resistance and a preparation method thereof.The polytetrafluoroethylene compensator is composed of a corrugated pipe, a pipe connecting flange and an end flange, the pipe connecting flange and the end flange are located at the two ends of the corrugated pipe, the corrugated pipe is composed of a lining layer and a base material layer, and the base material layer is made of stainless steel; the preparation method comprises the following steps: firstly, carrying out surface grafting on nano aluminum oxide by using isocyanate silane, and introducing an active reaction group; then part of active groups react with benzotriazole, so that the corrosion inhibition and adhesion enhancement functions are realized; finally, enabling the residual active groups to react with hydroxylated polytetrafluoroethylene activated by alkali treatment, and coating a chemical inert layer on the surface of the residual active groups; the obtained core-shell structure functional filler is dispersed in epoxy resin to prepare a coating, and after the coating is coated on a stainless steel base material and cured, a high-performance compensator with high hardness, strong adhesive force, excellent corrosion resistance and weather resistance is formed.
Owner:WENZHOU FLUORINE-PLASTIC EQUIP FACTORY

Innovative design of corrugated pipe damper for wind power sliding main bearing

The invention provides an innovative design of a corrugated pipe damper integrated on a sliding main bearing aiming at the problems of transmission system abrasion and fatigue damage caused by vibration energy accumulation of the wind power main bearing under a complex wind load, and belongs to the technical field of wind power generation equipment. A traditional main bearing damping structure is low in energy absorption efficiency, insufficient in dynamic response and difficult to effectively suppress vibration. Through collaborative design of a corrugated pipe multi-stage laminated structure and a fluid energy dissipation channel, a composite mechanism for dynamically dissipating vibration energy is formed. The core of the damping device is composed of a corrugated pipe assembly, damping cavities and a main shaft adaptive structure, impact energy is absorbed through axial flexible deformation of the corrugated pipe, vibration attenuation is achieved in combination with reciprocating flowing of damping fluid in the multiple cavities, and low-frequency swing and high-frequency harmonic waves of a main bearing are synchronously restrained. According to the design, the bearing capacity is guaranteed, vibration transmission is remarkably reduced, the service life of the main bearing is effectively prolonged, the operation reliability of a unit is improved, and the damping requirement of a core transmission system of a high-power wind turbine generator is met.
Owner:HUNAN UNIV

Glass printing device based on UV imprinting technology

The invention discloses a glass printing device based on a UV imprinting technology, relates to the field of glass printing, and solves the problem that an existing glass printing device is difficult to take out a glass plate finished product large in size and thin. The glass printing device comprises a device base and a driving table installed at the top of the device base, and an air exhaust air bellow is installed on the inner side of the driving table; a containing table is installed at the top of the air exhaust air box, a plurality of air suction holes are formed in the top of the containing table, a UV stamping machine is installed at the top of the device base, and a film covering roller set is installed on the outer side of the UV stamping machine. The plate lifting mechanism is used for lifting the processed glass plate upwards, the plate lifting mechanism is mounted on the inner side of the placing table, and the plate lifting mechanism comprises four top plates arranged at the top of the placing table; by means of the plate lifting mechanism, the top plate lifts the machined glass plate, the long and thin glass plate can be machined conveniently, and therefore the effects of stable coining and convenient material taking are achieved.
Owner:JIANGSU BOYU AUTOMATION EQUIP CO LTD

Centrifugal pump shutdown sealing device based on axial thrust

A centrifugal pump shutdown sealing device based on axial thrust comprises a pump cover (1) and an annular plate (11), an inner cylinder (3) and an outer cylinder (5) are connected between the pump cover and the annular plate in a sealed mode, an inner corrugated pipe (4) and an outer corrugated pipe (8) are welded between the sections of the inner cylinder and between the sections of the outer cylinder respectively, a water injection port (6) is formed in the outer cylinder, and a guide rod (7) penetrates through the annular plate and is fixedly connected to the pump cover. The right end of the guide rod is sleeved with a spring (10) and screwed with an adjusting nut (11), the left side of the annular plate is connected with a rubber annular plate (13), a shaft sleeve (14) is fixed to the pump shaft, and the rubber annular plate can be attached to the right end face of the shaft sleeve. The sealing device has the advantages that all the components are installed on the pump cover, the load of the pump shaft is reduced, unbalanced force cannot be generated on the pump shaft, the sealing device is not prone to being damaged when the machine stops, and no adverse effect is generated on the pump shaft. When the centrifugal pump works, the rubber ring plate on the ring plate is separated from the shaft sleeve, and when the centrifugal pump stops, the rubber ring plate is tightly attached to the shaft sleeve.
Owner:JIANGSU WANFENG MARINE EQUIP MFG

Air outlet mechanism and additive manufacturing equipment

The utility model belongs to the technical field of additive manufacturing, and discloses an air outlet mechanism and additive manufacturing equipment. The air outlet mechanism comprises an air inlet assembly and a rectifying part, the air inlet assembly comprises an air inlet channel, one end of the air inlet channel is connected with an air source, and the other end of the air inlet channel is communicated with an air bellow; the rectifying part is arranged in the air inlet channel and is perpendicular to the air inlet direction in the air inlet channel, a first hole set and second hole sets located on the two sides of the first hole set are formed in the rectifying part, the hole diameter of the first hole set is larger than that of the second hole sets, and air entering the air inlet channel from the air source enters the air bellow after passing through the first hole set or the second hole sets. The air speed of the air close to the pipe wall of the air inlet channel is higher, the second hole set with the smaller hole diameter is arranged to rectify the part of the air, the air flowing through the rectifying piece is uniform in overall air speed, and therefore the quality of a printed piece is improved.
Owner:SHANGHAI HANBANG UNITED 3D TECH CO LTD

Circulating heat exchange type vacuum gas quenching furnace

The utility model relates to the technical field of vacuum gas quenching furnaces, and discloses a circulating heat exchange type vacuum gas quenching furnace which comprises a vacuum gas quenching furnace body, a set of connectors are arranged on the outer wall of the vacuum gas quenching furnace body, circulating pipes are connected to the outsides of the connectors, a water cooling tank is connected to one end of each circulating pipe, and a flow dividing air bellow is rotationally installed on one side of the interior of the water cooling tank; a plurality of heat exchange pipes are arranged on the inner wall of the flow dividing air bellow in the circumferential direction at equal intervals, the ends, away from the flow dividing air bellow, of the heat exchange pipes are connected with an air bellow, a sealing plate is rotationally installed on the other side in the water cooling tank, and a three-way air pipe is arranged outside the sealing plate. The workpiece is placed in the vacuum gas quenching furnace to be heated in advance, a proper environment is provided for heat treatment of the workpiece, cold air is divided through the multiple heat exchange pipes, the heat exchange efficiency is improved, the bevel gear rotates to drive the sealing plate, the air box and the heat exchange pipes to rotate, the multiple heat exchange pipes make full contact with cooling liquid, the heat exchange uniformity is improved, and the heat exchange efficiency is improved. And the workpiece cooling effect is ensured.
Owner:HEFEI YUHUI VACUUM HEAT TREATMENT CO LTD

accumulator

An accumulator includes: an exterior body including a bottom, a shell and a port; and a bellows provided inside the exterior body and having an S-shape being capable of expansion and contraction. In a case where the bellows has expanded maximally in the accumulator, the bellows has expanded from a free state where no load other than gravitational force is being applied to the bellows.
Owner:NHK SPRING CO LTD

Breakaway valve for a cryogenic fluid tank

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.
Owner:ENGINEERED CONTROLS INT

Range hood with flow guide part

The utility model relates to the technical field of kitchen equipment, and discloses a range hood with a flow guide part, which comprises a smoke collecting cavity, an air bellow and the flow guide part, the air bellow comprises an air bellow body arranged at the top of the smoke collecting cavity and a fan arranged in the air bellow body, a main air inlet is formed at the rear end of the fan, and an auxiliary air inlet is formed at the front end of the fan. The draught fan is provided with an air outlet with an opening facing one side of the top of the air bellow body, the flow guide piece is located in the air bellow body and arranged at the corner, away from the air outlet, of the rear end of the main air inlet, the flow guide piece is provided with an air guide plate which forms an angle with the plane where the main air inlet is located, and a plurality of first silencing holes are formed in the air guide plate at intervals. According to the air bellow, the flow guide part is arranged in the air bellow body, so that oil smoke airflow can be guided to mainly enter the fan from the main air inlet of the fan, the oil smoke airflow flowing to the auxiliary air inlet is reduced, vortex airflow is pressed, the smoothness of the oil smoke airflow is improved, the air inlet effect and the air inlet efficiency are improved, and noise is reduced.
Owner:GUANGDONG VANWARD ELECTRIC

Bag filling machine

The utility model provides a bag filling machine, and belongs to the technical field of bag filling machines. A telescopic corrugated cylinder is arranged on the mounting table; the top of the telescopic corrugated cylinder is connected with a feeding box, and the bottom is connected with a bag fixing cylinder; the feeding box is fixed on the mounting table; a feeding port is formed in the top of the feeding box, and a slidable material blocking plate is arranged in the feeding box. Two packaging bag opening fixing mechanisms are symmetrically arranged on the side face of the bag fixing barrel. The telescopic corrugated cylinder is driven by an air cylinder to stretch out and draw back. The telescopic corrugated cylinder is arranged, the length of the discharging pipeline can be adjusted through the air cylinder installed on the installation table and the bottom connecting plate connected to the bottom of the telescopic corrugated cylinder so as to meet the filling requirements of packaging bags of different sizes, and the applicability of the device is improved.
Owner:ZHEJIANG JIALI RENEWABLE RESOURCES CO LTD

Power transformer heat dissipation device with alarm function

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a power transformer heat dissipation device with an alarm function, which comprises a protection assembly, an adjusting device is mounted in an inner cavity on one side of the protection assembly, a heat dissipation assembly is mounted on the adjusting device, and the adjusting device can drive the heat dissipation assembly to slide up and down in the height direction of the protection assembly. The heat dissipation assembly can slide up and down in the shell through cooperation of a linear motor sliding rail and a linear sliding block, a corrugated pipe is arranged on the heat dissipation assembly in a communicating mode, and the exhaust end of the corrugated pipe is movably arranged in a hole formed in the intersection position of sliding holes formed in the longitudinal swing plate and the transverse swing plate in a penetrating mode. The multiple sections of meshing teeth arranged on the vertical plate are matched with the gear to drive the exhaust end of the corrugated pipe to swing up and down, meanwhile, the sliding ring arranged on the insulation guide rod in a sleeving mode is matched with the linkage rod to drive the exhaust end of the corrugated pipe to swing left and right, cold air is evenly dispersed to all positions of the shell, and it is ensured that electric appliance elements in the shell are evenly cooled.
Owner:YANGZHOU XINZHI TRAFFIC LIGHTING TECH CO LTD

Elliptical finned tube type heat exchanger

The invention relates to the technical field of oval finned tube type heat exchange, and discloses an oval finned tube type heat exchanger which comprises a protective shell, an air conveying assembly is fixedly connected to the outer portion of the protective shell, a fixed shell is fixedly connected to the top end of the inner wall of the protective shell, and a rotating rod is rotationally connected to the left end of the fixed shell; the front end of the outer portion of the rotating rod is fixedly connected with a transmission assembly, the interior of the fixed shell is rotationally connected with a plurality of finned tubes, the exterior of the protective shell is fixedly connected with a material conveying assembly, the exterior of the rotating rod is fixedly connected with a plurality of windward pieces, and the interior of the protective shell is fixedly connected with a windward box. According to the heat exchanger, the rotating rod, the transmission gear set, the transmission gear, the rotating gear and the linkage finned tube rotate, the contact area and angle with airflow are continuously changed in the rotating process of the oval finned tube, the beneficial effects of enhancing the heat exchange efficiency and improving the heat exchange effect between the airflow and a medium are achieved, and heat transfer is efficiently completed in the operation process of the heat exchanger.
Owner:ZUORAN JINGJIANG EQUIP MFG +1

Ultra-clean double-corrugated-pipe corrugated pipe valve for semiconductor manufacturing

The invention discloses an ultra-clean double-corrugated-pipe type corrugated pipe valve for semiconductor manufacturing. The ultra-clean double-corrugated-pipe type corrugated pipe valve comprises a valve seat, a valve body air inlet, a valve body air outlet and a valve body, wherein the valve body air inlet and the valve body air outlet are communicated with the valve seat, and the valve body is obliquely arranged on the valve seat. The valve body comprises a valve rod and a valve body, a first corrugated pipe and a second corrugated pipe are arranged between the valve rod and the valve body, the lower end of the valve rod is further connected with a sealing plug, and the sealing plug controls opening and closing of the corrugated pipe valve. According to the technical scheme, the service life of the corrugated pipe of the corrugated pipe valve can be effectively prolonged, the sealing performance and reliability are improved, and the corrugated pipe does not serve as a guide rail any more.
Owner:AEROTECH BEIJING

Measuring device for detecting length of composite insulation board

The invention discloses a measuring device for detecting the length of a composite insulation board, and particularly relates to the technical field of composite insulation board production, the measuring device comprises a base, and a rotating shaft, a mounting frame, a coupler, a bearing seat, a driven gear, a driving gear, a mounting frame, a driving motor, a control box, a rack, a mounting plate, a fixed column and a reset spring are matched for use; the effect of conveniently lifting the mounting plate for use is achieved; according to the invention, the mounting block, the mounting plate, the gas storage tank, the pipe joint, the connecting column, the sealing plug, the sealing ring, a guide rod, a guide groove, a transmission box, a second limiting plate, a screw rod, a threaded seat, a second limiting rod, an organ cover, an electric motor, a control box, a mounting plate, a mounting sleeve, a laser generator, a laser receiver and a second pressure sensor are matched for use; and the effect that the use distance between the laser generator and the laser receiver is adjusted, so that the device adapts to the composite insulation boards with different lengths and widths is achieved.
Owner:JIANGSU PENGYANG ENERGY SAVING NEW MATERIAL CO LTD

A multi-model adaptive low-temperature valve sealing performance testing device and method

The application discloses a multi-model adaptive low-temperature valve sealing performance testing device and method, and belongs to the technical field of valve detection. The device comprises: a first upper end cover of a low-temperature thermostat, wherein a to-be-tested low-temperature valve is installed on the first upper end cover through a valve support device; the valve support device is in flexible sealing cooperation with a bellows through an adjusting screw, so that the installation height and centering of the to-be-tested low-temperature valve are controlled, and low-temperature valves of different specifications are adapted; the low-temperature thermostat surrounds a first cold screen and a second cold screen; the bottom of the to-be-tested low-temperature valve is connected with one end of a cold-lead bridge through a pipe clamp and is surrounded by the first cold screen; a GM refrigerating machine comprises two-stage cold heads arranged in the low-temperature thermostat; the second cold screen surrounds the two-stage cold heads; the other end of the cold-lead bridge is connected with the two-stage cold heads; three helium supply devices are connected with the inlet and outlet of the to-be-tested low-temperature valve and the low-temperature thermostat respectively; and a vacuum pump unit is connected with the low-temperature thermostat. The application realizes rapid adaptation and accurate testing of low-temperature valves of multiple models.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Trunk well and motor vehicle with a trunk well

Trunk recess (4) with a circumferential wall (7) and a floor (8) to define a trunk recess interior volume (9) which can be used as a trunk, wherein the trunk recess (4) has fastening means (10) to be able to secure the trunk recess (4) in a motor vehicle (1), wherein the trunk recess (4) has at least one means (11) for absorbing energy by deformation in the event of an impact, characterized in that the circumferential wall (7) has opposing side walls (19) and opposing transverse walls (20), wherein means (11) for absorbing energy by deformation are integrated into the opposing side walls (19), wherein one means (11) for absorbing energy is designed as a type of bellows (21) which is inserted into or connected to the two opposing side walls (19).
Owner:DR ING H C F PORSCHE AG

Flexible detachable pipeline via hole sealing structure

The invention discloses a flexible detachable pipeline via hole sealing structure, and belongs to the field of pipeline design. Comprising an equipment shell, a corrugated pipe assembly, a sealing sleeve, a heat-shrinkable sleeve and a pipeline. The two ends of the corrugated pipe assembly are each provided with a sealing structure, one sealing structure is connected with the installation face of the equipment shell, and the other sealing structure is connected with the installation face of the flange of the sealing sleeve. The sealing sleeve sleeves the pipeline, and a gap between the outer surface of the pipeline and the inner surface of the sealing sleeve is filled with sealant. The two ends of the sealing sleeve are each sleeved with a heat-shrinkable sleeve, and after the pipeline sealing position is determined, the heat-shrinkable sleeves are heated to be retracted. Through hole sealing of a pipeline with certain movement relative to the shell at the through hole can be achieved, and the permitted movement freedom degree is high. A moving part and a sealing part are independent, and the static sealing structure is good in sealing performance, high in reliability and long in service life. The detachable structural design facilitates later pipeline maintenance.
Owner:SHENYANG AIRCRAFT DESIGN & RES INST YANGZHOU COLLABORATIVE INNOVATION RES INST CO LTD

Vacuum circuit breaker

According to one embodiment of the present disclosure, a vacuum circuit breaker may include: a pressure vessel filled with an insulating gas of a predetermined pressure; a vacuum interrupter provided inside the pressure vessel and having a fixed electrode and a movable electrode in a vacuum tube in a vacuum state; a bellows provided to seal a gap between the vacuum tube and the movable electrode; a movable rod, one end of which is connected to an end portion of the movable electrode via an insulating link, and which is capable of penetrating the pressure vessel and reciprocating in an axial direction while maintaining airtightness; a drive rod which is provided outside the pressure vessel at the other end of the movable rod and which transmits the driving force of the drive unit to the movable rod; and a contact pressure spring, one end of which is supported by the movable rod and the other end of which is supported by the driving rod, in which a ratio of a self-closing force of the vacuum interrupter to a minimum closed contact pressure is set to a predetermined ratio.
Owner:HD HYUNDAI ELECTRIC CO LTD

Welded corrugated pipe lateral deviation testing equipment

The invention relates to the technical field of service life testing equipment, in particular to welded corrugated pipe lateral deviation testing equipment which comprises a testing platform, a vertical mounting vertical plate and a transverse displacement mechanism are fixedly arranged on the left side and the right side of the upper surface of the testing platform respectively, and a longitudinal displacement mechanism is fixedly arranged on the right side of the vertical mounting vertical plate. Displacement plates are fixedly arranged on the right surface of the displacement end of the longitudinal displacement mechanism and the upper surface of the displacement end of the transverse displacement mechanism, mounting frames are fixedly arranged on the displacement plates, mounting plates are fixedly arranged on the mounting frames, and the opposite side faces of the two mounting plates are connected with the left end and the right end of a corrugated pipe correspondingly; and a locking mechanism for pressing the corrugated pipe flange is fixedly arranged on the mounting plate. Through cooperation of the longitudinal displacement mechanism and the transverse displacement mechanism, accurate displacement adjustment of the corrugated pipe in different directions can be achieved, the test accuracy is ensured, the situation that original equipment can only do axial reciprocating motion is broken through, and a lateral deviation test of the corrugated pipe is achieved.
Owner:LIAONING SEALTECH TECH CO LTD

Construction method of fan blade dynamic load experiment table

The invention discloses a construction method of a fan blade dynamic load experiment table, which comprises the following steps of: pre-burying a fixing piece in a bottom plate foundation, and arranging a prestressed tendon corrugated pipe; concrete is poured into the bottom plate foundation, curing is completed, and the bottom plate is formed; a truss required by the anchor bolt cage is arranged on the bottom plate; installing and fixing a prestressed steel strand and a prestressed tendon corrugated pipe of the dynamic load test bed; base steel bars are bound and fixed in a layered mode, and a construction hole channel steel formwork is installed and fixed; pouring construction is conducted from the bottom face of the bottom plate to the truss and the preset height area in sequence, and a base is formed; three groups of prestressed components are respectively arranged in three axial directions of the base and are connected with the three groups of prestressed tendons; and the three sets of prestressed tendons are alternately tensioned according to a preset tensioning sequence, so that the prestress of the three sets of prestressed tendons sequentially reaches 30%, 60% and 100% of the specified tensioning stress. The anti-fatigue performance and the anti-cracking performance of the base are improved in three directions, and the overall mechanical property of the base is good.
Owner:POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD

Intelligent spraying dust falling device for building construction

The invention belongs to the technical field of dust falling devices, and particularly relates to an intelligent spraying dust falling device for building construction, which comprises a fence, a fixed plate and the like, a fixing plate is connected to the fence. The fixing plates are locked on the fence through the pin rods, every two adjacent water pipes are communicated through the corrugated pipes, water is conveyed into the water pipes, then the water flows into the corresponding guide pipes I along the water pipes and is finally sprayed out from the corresponding spray heads, and therefore spraying dust falling on a construction site is achieved; therefore, pipelines do not need to be additionally laid on the fences, the laying efficiency of the fences can be greatly improved, dust falling can be achieved, spraying dust falling can be conducted on dust drifting above the fences through the spray heads with upward openings, spraying dust falling can be conducted on dust drifting on the inner sides of the fences through the spray heads with downward openings, and the dust falling efficiency of the fences is improved. And therefore, the two spray heads on the same guide pipe I can perform spraying and dust falling on different areas.
Owner:CHENZHOU VOCATIONAL & TECH COLLEGE

Pneumatic stop valve

The invention discloses a pneumatic stop valve, belongs to the technical field of valves, and solves the problems that when the pneumatic stop valve acts once per minute at the temperature of 380 DEG C, a valve rod is oxidized and collapsed due to high-temperature filler, the valve rod is abraded by catalyst particles, the valve rod is slightly bent by 0.08 mm due to the pressure difference of 0.5 MPa, sealing and hiding of the valve rod are invalid, and closing lags. Comprising a valve body, a support installed on the valve body through a valve cover, a corrugated pipe fixedly connected into the support, a pneumatic actuator fixedly connected to the upper end of the support and a valve rod, the valve rod is connected into the corrugated pipe in a sliding mode, and the upper end of the valve rod is in transmission connection with the movable end of the pneumatic actuator. All the structures keep efficient sealing, the displacement direction of all the structures is limited, meanwhile, the displacement and strain data of the valve rod are monitored, the bending amount is calculated through multi-source data fusion for position compensation, and meanwhile the pneumatic execution module is controlled to complete S-curve optimized valve opening and closing actions.
Owner:ZHEJIANG JINLI FLUID EQUIPMENT CO LTD

boot

A boot of extends along an axis X direction and has a cylindrical shape that is extendable and contractable in the axis X direction. The boot includes a bellows portion alternately having a bellows portion-side peak portion and a bellows portion-side valley portion along the axis X direction, and an extending portion connected adjacent to the bellows portion in the axis X direction and provided adjacent to one end and / or an other end of the boot in the axis X direction. The extending portion is formed so that an outer diameter of an end of the extending portion on a side opposite to a side connected to the bellows portion in the axis X direction is smaller than an inner diameter of the bellows portion-side valley portion of the bellows portion.
Owner:HI-LEX CORPORATION

Movable paint spraying waste gas collecting room

The utility model discloses a movable paint spraying waste gas collecting room which comprises a ground rail, a pulley, a motor, a waste gas collecting room body, a roller shutter door, an air feeder, an air bellow, a water curtain cabinet and a fan which are sequentially connected. The two parallel ground rails are fixedly laid on the ground, the pulleys are erected on the ground rails and connected with the motor and the waste gas collecting room, the roller shutter door is installed at the rear end of the collecting room, the air feeder is installed at the top of the waste gas collecting room and connected with the air bellow, the waste gas collecting room is in butt joint with the water curtain cabinet, and the water curtain cabinet is connected with the fan through the air pipe. The device has the characteristics of difficulty in collection of paint spraying waste gas of large workpieces, high investment of a traditional collection room, inconvenience in operation and maintenance and low safety use coefficient.
Owner:SHANGYI ENVIRONMENTAL PROTECTION TECH (HANGZHOU) CO LTD

Detection device for air jet loom

The invention provides a detection device for an air jet loom, and relates to the technical field of woven fabric detection, the detection device comprises a case and a laser generator, a detection assembly is installed on the case, the detection assembly comprises a first laser receiver and a second laser receiver, a suction assembly is installed on the case, the suction assembly comprises a partition plate and a suction port, and the partition plate and the suction port are arranged on the case. The detection device comprises a machine box, a partition plate is installed on the machine box, a lifting assembly is installed on the machine box, the lifting assembly comprises a motor and a lead screw, a filtering assembly is installed on the partition plate, and the filtering assembly comprises an air bellow and a filtering net. The cloth detection structure is prevented from being interfered by chippings, impurities and the like, the reliability of a detection result is guaranteed, chipping and impurity cleaning work is facilitated, the chipping and impurity absorption effect is guaranteed, the detection work is not affected in the cleaning process, use is more convenient, and the cloth quality detection device is suitable for cloth quality detection of the air jet loom.
Owner:BINZHOU JUNDA TEXTILE CO LTD

Energy storage system

The present invention is an energy storage system comprising a mechanical bellows having an outer flexible material casing with one or more functional elements that operate as actuators for expanding and contracting the outer flexible material casing to store or deliver energy.
Owner:STAR SAILOR ENERGY INC

Rigid-flexible coupling pneumatic humanoid dexterous finger and dexterous hand

The invention belongs to the technical field related to medical robots, and discloses a rigid-flexible coupling pneumatic humanoid dexterous finger and a dexterous hand. The dexterous finger comprises a sectional corrugated pipe actuator, a rigid cover plate, a rigid bottom plate, a flexible finger pulp patch and a one-way stretchable fabric; a cooperative structure of rigid supporting, flexible driving and contact adaptation is formed through a preset assembly relation; by designing the wave number of the corrugated pipe at each joint of the pneumatic dexterous finger, the bending proportion of each joint is ensured to accord with the human hand movement rule; the one-way stretchable fabric can restrain ineffective upheaval at the joints, and the energy conversion efficiency is improved. The dexterous hand can integrate five anthropomorphic-size dexterous fingers, and the palm notch angle, the thumb turning direction angle and the flexible palm patch are all engraved with the physiological characteristics and structure of the hand of the human body. According to the pneumatic dexterous hand, personification of the pneumatic dexterous hand in appearance and movement modes is achieved, flexibility and bearing stability are both considered, and the pneumatic dexterous hand can meet the requirements of multiple scenes such as medical care and industrial assembly.
Owner:HUAZHONG UNIV OF SCI & TECH