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496results about How to "Flexible rotation" patented technology

Combination bearing type large-specification movable elbow mechanism

The invention discloses a combination bearing type large-specification movable elbow mechanism. The combination bearing type large-specification movable elbow mechanism comprises elbows, connection heads, a pressing cover, a packing seal component and a rotating component, wherein positions between the elbows and the connection heads as wall as between the elbows are fixedly connected through thepressing cover and are sealed through the packing seal component, cavities are formed at the positions between pressing cover and the connection heads as wall as between the pressing cover and the elbows and are internally provided with the rotating component, the rotating component is used for relative rotating of the connection heads or the elbows and comprises a centripetal bearing and a thrustbearing, and the elbows and the connection heads as wall as the elbows are flexibly connected. The combination bearing type large-specification movable elbow mechanism has the beneficial effects thatthe combination bearing type large-specification movable elbow mechanism is flexible in connection, smooth in rotating, simple in structure, not limited by the pipe diameter, also not limited by theelbow structure molding method, small in volume and diversified in molding method.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Rail type intelligent machine transporting truck

The invention discloses a rail type intelligent machine transporting truck, comprising a frame, idler wheels located on the frame, a storage box located at the top of the frame, a supporting board, a lifting mechanism connected between the supporting board and the frame, a primary rotation board, a primary rotation mechanism connected between the primary rotation board and the supporting board, a primary translation board, a primary translation mechanism connected between the primary translation board and the primary rotation board, a secondary rotation board, a secondary rotation mechanism connected between the secondary rotation board and the primary translation board, a secondary translation board, a secondary translation mechanism connected between the secondary translation board and the secondary rotation board, and an executing mechanism connected on the secondary translation board, wherein a storage box is placed in the storage box. The rail type intelligent machine transporting truck provided by the invention replaces the conventional manual goods carrying manner, so that the human labor is reduced, and the production efficiency is improved. With the adoption of the two levels of rotation mechanisms and the two levels of translation mechanisms, the rail type intelligent machine transporting truck can expand the journey and increase the freedom degree. The rail type intelligent machine transporting truck can check more goods due to the vehicular storage box, so that the working efficiency is improved.
Owner:SHANGHAI DIANJI UNIV

Single-action double-pipe coring overburden drill tool for air down-the-hole hammer

The invention relates to a single-action double-pipe coring overburden drill tool for an air down-the-hole hammer. The single-action double-pipe coring overburden drill tool comprises a central coring drill tool and an overburden drill tool. The central coring drill tool is a single-action double-pipe coring drill tool and comprises a single-action vibration reduction mechanism, an inner pipe adjusting mechanism and a coring mechanism with a bayonet device; the single-action vibration reduction mechanism comprises an impact connector, a disc spring, a bearing block, a connecting shaft, a thrust ball bearing and a radial ball bearing; the inner pipe adjusting mechanism comprises a connecting shaft, a core pipe connector, an inner pipe and a nut; the coring mechanism with the bayonet device comprises an outer pipe, an inner pipe, a connecting shaft, a core pipe connector, a coring drill bit, a rolling needle, a pawl spring seat and a pawl spring; the overburden drill tool comprises a casing, a casing connector, a casing shoe, a clamp ring and a casing drill bit. The single-action double-pipe coring overburden drill tool for the air down-the-hole hammer is applicable to relevant fields such as geological mineral exploration and engineering geological survey for complex formation with loose sand, cobbles, gravel, fracture, breakage and the like.
Owner:江苏省南京工程高等职业学校

Device for assembling and welding fan casing combined piece

The invention discloses a device for assembling and welding a fan casing combined piece. The device comprises a body assembly, a gas protecting assembly and a positioning assembly; the body assembly comprises a hollow disk; a plurality of bosses used for supporting a casing are arranged on the periphery of the hollow disk; the positioning assembly comprises a casing positioning assembly used for positioning the axial direction, the angular direction and the circle center of the casing, an inner ring positioning assembly used for positioning the axial direction, the angular direction and the circle center of an inner ring, a blade boss positioning assembly used for positioning the angular direction of blades, and a blade axial direction positioning assembly; the blade axial direction positioning assembly is arranged on the inner side of the hollow disk, and comprises a hinge plate; one end of the hinge plate is hinged to an overturning base, and the other end of the hinge plate is connected with a positioning block in a sliding manner; a first pressing device is fixedly arranged on the hinge plate; and a pressing head of the first pressing device is fixedly connected with the positioning block. The device is convenient to operate, fast and capable of saving labor, reducing the number of operators, and making blade welding kept consistent.
Owner:AECC AVIATION POWER CO LTD

Sealing device of collecting ring

The invention discloses a sealing device of a collecting ring. The sealing device comprises a stator and a rotor, wherein an upper end cover and a lower end cover are respectively arranged at the upper end and the lower end of the stator; the rotor comprises a hollow rotating shaft, a rotating shaft sleeve, a lower rotor and an upper rotor; the lower rotor is connected with the upper rotor through a connecting piece of adjacent ends; the upper end cover is rotatably connected with the upper rotor through an upper bearing, and forms a water seal structure with the upper rotor through an upper oil seal; the lower end cover is rotatably connected with the rotor sleeve below the lower rotor through a lower bearing, and forms a water seal structure with the rotor sleeve below the lower bearing through a lower oil seal; a wiring trough which is used for laying rotor leads is arranged on the upper rotor along the axial direction; an upper sealing line plug is arranged between the wiring trough and the rotor leads; a lead outlet of a stator lead is formed on the lower end cover; and a lower sealing line plug is formed between the lead outlet and the stator lead. The sealing device of the collecting ring for music fountain is excellent in safety, convenient for repairing and maintenance, flexible to rotate, excellent in conductive effect, and long in service life.
Owner:许杭旭

Incremental electro-hydraulic digital flow control valve with double valve cores rotating oppositely

The invention discloses an incremental electro-hydraulic digital flow control valve with double valve cores rotating oppositely. The control valve is characterized in that a valve body is square outside and circular inside, an oil inlet hole and an oil outlet hole are formed in the outer surface of the valve body and communicated with an annular oil inlet groove and an annular oil outlet groove in the circular-arc inner surface of the valve body respectively, an inner valve core and an outer valve core are both in a cylinder foot cup shape, the open end of the inner valve core is inserted in the open end of the outer valve core, the inner valve core and the outer valve core are installed inside the valve body together, and the inner valve core, the outer valve core and the valve body are kept coaxial; fan-shaped oil inlet holes and fan-shaped oil outlet holes are formed in the cylindrical surfaces of the inner valve core and the outer valve core, and respectively connected with the oil inlet hole and the oil outlet hole in the outer surface of the valve body through the annular oil inlet groove and the annular oil outlet groove in the inner surface of the valve body; the closed ends of the inner valve core and the outer valve core are provided with cylindrical shafts which penetrate through the left end cover and the right end cover of the valve body after passing through a bearing, and respectively connected with a stepping motor. Compared with an existing incremental sliding type digital flow valve, the digital valve disclosed by the invention has higher resolution ratio, dynamic response speed and flow control accuracy.
Owner:HUAIHAI INST OF TECH

Electric power distribution cabinet

The invention discloses an electric power distribution cabinet, which comprises a device base, wherein the lower part of the device base is provided with universal wheels, one side of each universal wheel is provided with a positioning bolt, the upper part of the device base is provided with a main turntable in a rotated manner, the upper part of the main turntable is provided with a group of supporting columns, one side of the device base is provided with a driving gear, a rotating rod is arranged on the driving gear, the driving gear is engaged with the main turntable, the upper parts of the supporting columns are connected with a lower box body, a box body slideway is arranged on the upper part of the lower box body, the box body slideway is in sliding fit with a sliding rail arranged at the lower part of an upper box body, the side parts of the upper box body and the lower box body are each provided with baffle plate slideways, heat radiating holes are formed in the side parts of the upper box body and the lower box body, and the baffle plate slideways are in sliding fit with baffle plates. The electric power distribution cabinet is convenient to move, can rotate flexibly, has good heat radiating and moisture-proof functions, can accommodate more power accessories, and has higher applicability.
Owner:STATE GRID CORP OF CHINA +1

Sizing machine for producing continuous carbon fibers

The invention belongs to a sizing machine for producing continuous carbon fibers, comprising a box body, a sizing groove arranged in the box body and a driving device fixed on the box body, wherein the sizing groove comprises a groove body and a partition board, a liquid distribution plate and an overflow plate which are arranged in the groove body from left to right and are vertical to the bottom of the groove body; the driving device comprises an inlet driving roller arranged at the upper-left part of the sizing groove, two sizing driving rollers positioned in a sizing area and an outlet driving roller arranged at the upper-right part of the sizing groove; the two sizing driving rollers are horizontally arranged and positioned between the inlet driving roller and the outlet driving roller; and driving shafts of the two sizing driving rollers are higher than the liquid level of a sizing agent of the sizing area. The invention solves the problems of long stay time of the carbon fibers in the sizing agent, poor sizing effect, complex structure, high manufacturing cost and inconvenience for daily cleaning and maintenance caused by the traditional sizing machine. By using the invention, the processing and manufacturing cost of the equipment can be reduced, the time of the carbon fibers in the sizing agent can be prolonged and the favorable sizing effect can be obtained.
Owner:西安航科等离子体科技有限公司

Intelligent loading and unloading vehicle for small warehouse

The invention relates to the technical field of logistics carrying of a factory, in particular to an intelligent loading and unloading vehicle for a small warehouse. The vehicle comprises a vehicle body, a chassis, a rotating tower, a mechanical arm and a mechanical hand; a magnetic strip is laid on a goods shelf transportation way in the warehouse, a magnetic strip recognizer (NA magnetic sensor) is arranged at the bottom of a trolley of the intelligent loading and unloading vehicle, and can automatically recognize the road according to the laid magnetic strip, a photoelectric sensor recognizes obstacles on the road, and the loading and unloading vehicle can effectively avoid the obstacles; the mechanical hand of the intelligent loading and unloading vehicle can automatically grab cargos on the goods shelf, the rotating tower of the vehicle can ascend and descend, use space of the loading and unloading vehicle can be increased, and the cargos stored at a high position of the goods shelf can be taken and put; and the intelligent loading and unloading vehicle for the small warehouse can achieve the aims of saving labor force, saving occupied space, being rapid and accurate in in-out stock work, shortening work time and improving the management level of the warehouse.
Owner:YANTAI BILL ELECTRONICS TECH CO LTD

Independent aerial parking device

ActiveCN102425320AMulti-level use of spaceFlexible rotationParkingsParking spaceEngineering
The invention provides an independent aerial parking device, which comprises at least one upright post, a first bearing component, a supporting carrier, an elevation component, an elevation mechanism and a first movement mechanism, wherein the upright post is fixed on the ground or is suspended; the first bearing component can carry a vehicle and can move vertically and horizontally; the supporting carrier can drive the first bearing component to ascend and descend vertically along with the upright post and can be used as the first bearing component, and the elevation component can drive the first bearing component to move horizontally between a parking position and a traveling passage; the elevation mechanism drives the elevation component to ascend and descend vertically along the upright post; and the first movement mechanism drives the first bearing component to horizontally move along the elevation component. The first bearing component is also provided with a rotatable platform board for bearing the vehicle, a rotary mechanism for driving the platform board to rotate, a second bearing component which is used for bearing the platform board and can move on the first bearing component and a second movement mechanism which can drive the second bearing component to move. The independent aerial parking device has a simple structure and low price, is flexible to stop a vehicle, is convenient to use, can be independent to establish, run and manage, and has wide practicability.
Owner:曾庆义

Electro-hydraulic anchor protection control double basket type two arm anchor cable anchor rod drill truck

The invention belongs to the technical field of equipment for drilling, anchor cable and anchor rod installation and fastening, and particularly relates to an electro-hydraulic anchor protection control double basket type two arm anchor cable anchor rod drill truck. The electro-hydraulic anchor protection control double basket type two arm anchor cable anchor rod drill truck includes a walking chassis, a vertical lifting platform, a rear machine frame, a left anchor protection large arm, a right anchor protection large arm, an advance support device and an automatic cable winding mechanism, wherein the vertical lifting platform is arranged right above the walking chassis to realize vertical lifting and lowering, a walking reducer is installed on the rear side of the walking chassis, a guide wheel is installed on the front side of the walking chassis, the vertical lifting platform is symmetrically provided with the left anchor protection large arm and the right anchor protection large arm which can realize height adjustment and swing adjustment on both sides, the advance support device is hinged to the front end of the vertical lifting platform, the rear machine frame is arranged inthe rear of the walking chassis, a motor, a pump station and an oil tank are sequentially installed on the top left of the rear machine frame to form a power system, a driving room and an electric control box are arranged above the power system, the automatic cable winding mechanism and a cable winding guide supporting roller group are installed on the left side of the driving room, and a rear stabilized shoe is installed at the bottom of the rear machine frame.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

Crawler-type multi-joint snakelike robot

The invention provides a crawler-type multi-joint snakelike robot which comprises joint modules, drive modules and connecting modules. Each joint module comprises three 'V'-shaped side plates, wherein three wheel axles are installed between every two adjacent 'V'-shaped side plates through bearings so that the three 'V'-shaped side plates can be connected to form equilateral triangle distribution; two crawler wheels are fixedly installed on each wheel axle, so that two rows of crawler wheels are formed on the three wheel axles; a crawler belt is installed on each row of crawler wheels, and a joint chain wheel is also fixedly installed on the wheel axle located on the end portion. The drive modules are installed inside the joint modules. Each connecting module is located between every two adjacent joint modules. A worm bracket of each drive module is connected with a part of a connecting plate frame of the corresponding connecting module so that the two adjacent joint modules can be connected. A drive chain wheel of each drive module and the joint chain wheel of the corresponding joint module are in chain transmission. The crawler-type multi-joint snakelike robot is good in stability, strong in ground adaptive capacity, and applicable to disaster relief, detection, firefighting, transportation, space exploration and other fields.
Owner:HARBIN ENG UNIV

Device for reducing residual stress of welded seam of tube and tube plate of heat exchanger

The invention discloses a device for reducing residual stress of a welded seam of a tube and a tube plate of a heat exchanger. The device comprises a controller, a nozzle system and a high-pressure water pump for supplying high-pressure water jet to the nozzle system; the nozzle system comprises a nozzle regulator and a plurality of nozzles; the nozzle regulator comprises a casing and an end cover which are connected, and the multiple nozzles are uniformly distributed in the circumferential direction of the casing and are all connected with the high-pressure water pump; and the device further comprises an X-direction driving device, a Y-direction driving device and a Z-direction driving device, wherein the X-direction driving device drives the casing and the nozzles to move horizontally in the X-axis direction, the Y-direction driving device moves horizontally in the Y-axis direction, and the Z-direction driving device lifts in the Z-axis direction. According to the device for reducing the residual stress of the welded seam of the tube and the tube plate of the heat exchanger, a high-pressure water jet technology is used to reduce the residual stress of the annular welded seam with different diameters of different sizes of the heat exchangers, the application range is wide, and the effect of reducing the residual stress is good.
Owner:SHANDONG UNIV OF SCI & TECH

Overline transportation mobile type lifting appliance with four car doors

The invention discloses an overline transportation mobile type lifting appliance with four car doors. The overline transportation mobile type lifting appliance with the four car doors comprises a main framework, car door mobile frameworks and car door fixtures. The upper end of the main framework is provided with a support beam. The car door frameworks are hinged to the main framework. The car door fixture is connected to the car door mobile frameworks. The upper end of the main framework is further provided with a longitudinal beam. The car door mobile framework is provided with a start-stop device and a car door clamping self-lock device. The distance between two clamping components of the car door fixtures can be adjusted. The overline transportation mobile type lifting appliance with the four car doors has the advantages that by adding the longitudinal beam, the start-stop device and the car door clamping self-lock device on the framework of the lifting appliance, the lifting appliance is the overline transportation mobile type lifting appliance capable of transporting and actively running in the length direction of the car doors and the second direction of the thickness, and at the same time, the problems that loading and unloading the car doors are inconvenient, the universality is bad and repair and maintenance are inconvenient are solved; at the same time, the structure is simple, the operation is convenient, the labor intensity of constructors can be effectively reduced, and the safety of car door transporting and active running is improved.
Owner:武汉东研智慧设计研究院有限公司

Light and thin type self-lubricating bearing and manufacturing method thereof

ActiveCN101555906AReduce weightHas the function of corrosion resistanceBearing componentsAviationPunching
The invention discloses a light and thin type self-lubricating bearing and a manufacturing method thereof, aiming at providing a light and thin type self-lubricating bearing and a manufacturing method thereof which have simple manufacturing technology, low cost, light weight and convenient installation and use. The bearing takes the shape of a shaft housing and takes a metal plate as a substrate, and the inner wall of the substrate is bond with nonmetallic wear-resistant material; and the bearing is characterized in that: through holes which are orderly arranged are made on the substrate, part of the wear-resistant materials on the binding surface of the wear-resistant material and the substrate is embedded in the through holes, and a suture is formed on the surface of the shaft housing. The manufacturing method of the light and thin type self-lubricating bearing comprises the following steps of: preparation of the nonmetallic wear-resistant material, and making, gluing, shaping and checking and storage of the substrate. The invention can lead the nonmetallic wear-resistant material to embed in the through holes and adopts a bonding adhesive for adhesion, thus having strong adhesive force. The punching of the through holes on the metal base material can lower the weight, and the product can be widely applied in mechanisms of chemical engineering, medicine, instruments, meters, aviation, space flight, food processing and the like.
Owner:ZHEJIANG CHANGSHENG SLIDING BEARINGS

Tensile clamp for tensile property test of non-metal materials

The invention discloses a tensile clamp for a tensile property test of non-metal materials, and belongs to the technical field of tests on material performances. The tensile clamp has the structure that an upper holding rod is positioned at the upper part of an upper limiting block, and the upper holding rod is fixedly connected with the upper limiting block; the upper holding rod is connected with an upper connecting plate through a universal joint; the middle of the universal joint is connected with the upper limiting block and the lower end of the universal joint respectively through pins; the lower end of the universal joint and the upper connecting plate are fixedly connected together; the upper connecting plate and a splicing plate are fixedly connected together through bolts; an upper splicing face is a face of the upper splicing plate; a lower holding rod is positioned at the lower part of a lower limiting block, and the lower holding rod and the lower limiting block are fixedly connected together; the lower limiting block and a lower connecting plate are fixedly connected together; the lower connecting plate and a lower splicing plate are fixedly connected together through bolts; a lower splicing face is a face of the lower splicing plate; and scales for positioning test samples are carved on the lower splicing face. The tensile clamp has high precision, is safe to use, and can carry out test on the tensile strength of test samples with large sections.
Owner:TSINGHUA UNIV

Automatic centering type direct rock tensile test device

The invention discloses an automatic centering type direct rock tensile test device. The device comprises sample sleeve caps, ball-head tension rods, roll balls and sleeves; the sample sleeve caps areconnected with connecting members; ends of the connecting members are hinged with flexible anti-tensile ropes; the ends of the flexible anti-tensile ropes are hinged to the ends of tension rods of the ball-head tension rods; a plurality of the roll balls are disposed in embedding grooves along the end surfaces of the ball-head tension rods; and embedded groove covers are detachably disposed on the sleeves and located above the embedding grooves. According to the tensile test device, flexible anti-tensile ropes are adopted to connect ball-head turning members and the sample sleeve caps, and the roll balls and the sleeves as well as the roll balls and the ball-head turning members are in point contact, so that angles of the test device can be adjusted in all directions with flexible rotation and automatic deviation adjustment; after a rock sample is stressed, the tensile stress of the rock sample is always ensured along the axis, so that the problem of eccentric tensile stress is avoided; and the device is simple in structure, easy to operate, and easy to load and unload, and can accurately test the anti-tensile strength of the rock sample.
Owner:QINZHOU UNIV

Mechanical human hip exoskeleton bearing device

InactiveCN102599998AMeet the requirements of multiple degrees of freedomReduce exercise fatigueLeg lengthening piecesDamping functionThigh part
The invention relates to a mechanical human hip exoskeleton bearing device, comprising a left hip and a right hip which are structurally symmetrical. The left hip and the right hip are hinged to form an X-shaped structure via a hip center hinge pin, and two springs are respectively arranged at the top and the bottom of the X-shaped structure and between the left hip and the right hip. The other ends of the left hip and the right hip are respectively hinged with two leg and hip connecting parts, and the other ends of the two leg and hip connecting parts are respectively hinged with first connectors of two universal connecting parts. Second connectors of the two universal connecting parts are respectively connected with two tappet rods, the other ends of the two tappet rods are respectively sleeved in two sleeves, and two pressure springs for supporting the tappet rods are respectively arranged in the two sleeves. The other ends of the two sleeves are respectively hinged to the lower portions, close to the hips, of the two leg and hip connecting parts. Third connectors of the two universal connecting parts are respectively hinged with two leg adjusting parts, and the other ends of the two leg adjusting parts are fixedly connected with the upper ends of thigh parts of leg bearing devices. The mechanical human hip exoskeleton bearing device can transmit load on a back rack of a human exoskeleton carrying power assisting device to the leg bearing devices, and has high flexibility and a damping function.
Owner:THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTME

Multidirectional clamping device for underwater robot

The invention relates to a multidirectional clamping device for an underwater robot. The device comprises a transverse plate; vertical rods are symmetrically fixed at two ends of the bottom surface ofthe transverse plate; the vertical rods are vertically fixed; arc sleeves, fixedly connected with the vertical rods, are arranged at the lower ends of the vertical rods; arc plates, slidingly connected with the arc sleeves, are inserted in the arc sleeves; multiple convex teeth are uniformly fixed on the arc plates; convex teeth on the arc plates are oppositely arranged; two first fixed rods arevertically fixed at the top of the transverse plate; a fixed plate is horizontally fixed at the tops of the first fixed rods; a first speed reducing motor is fixed at the bottom of the fixed plate; agear, engaged with the convex teeth, is fixed on a rotating shaft of the first speed reducing motor; the first speed reducing motor conveniently controls the arc plates to rotationally extend out to insert a shovel into a deep place of the bottom of a clamped object, so that sludge for embedding the bottom of the clamped object is cleaned more conveniently; and through a rotating disc and a rotating rod, a top plate can be flexibly rotated to guarantee the convenience and speediness effects on sludge cleaning or clamping.
Owner:河钢工业技术服务有限公司
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