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1699 results about "Slewing bearing" patented technology

A slewing bearing or slew[ing] ring is a rotational rolling-element bearing that typically supports a heavy but slow-turning or slow-oscillating load, often a horizontal platform such as a conventional crane, a swing yarder, or the wind-facing platform of a horizontal-axis windmill. (To "slew" means to turn without change of place.)

Building construction site safety monitoring and early warning method and system based on Internet of Things

The invention provides a building construction site safety monitoring and early warning method and system based on the Internet of Things, and relates to the technical field of data processing.The method comprises the steps that a three-base-point dynamic topological structure is established in a target monitoring domain, a first datum point is arranged at the extension end of the axis vertical line of a slewing bearing of a tower crane, and a second datum point is arranged at the extension end of the axis vertical line of the slewing bearing of the tower crane; the second datum point is embedded in the radial section of a force bearing flange plate of the hydraulic jacking module, the third datum point is fixedly connected to the intersection joint of a deep foundation pit top beam and a supporting system, and a non-collinear vector set is constructed through three-point coordinate offset; and based on the non-collinear vector group, deformation compensation correction is performed on the dynamic calibration parameter set through a vector space topological transformation algorithm, a topological reconstruction data stream containing a displacement gradient tensor and strain energy density is generated, and a risk situation feature space is constructed based on the topological reconstruction data stream. According to the invention, the intelligent construction safety management is realized.
Owner:HEBEI XIONGAN WUZHEN INFORMATION TECHNOLOGY CO LTD

Aluminum foil slitting and winding device

An aluminum foil slitting and winding device relates to the technical field of slitting and rewinding and comprises a slitting unit, a rewinding unit, a tension adjusting device and a slitter edge winding device. The tension degree adjusting device works cooperatively through a rotary disc, a swing arm and a variable-diameter adjusting roller, it is ensured that the wrap angle and the tension degree are constant when aluminum foil enters the roller, and the problems of wrinkles and edge warping in the winding process are remarkably solved. The variable-diameter adjusting roller adopts the design of an elastic supporting framework and a double-spiral lead screw, and the transverse and longitudinal tension degree of the aluminum foil can be flexibly adjusted. And the slitter edge winding device is provided with a slewing bearing and a reel, so that ordered winding of slitter edges is realized, and normal winding operation is prevented from being interfered. In addition, a pulse type air hammer and a buffer device are further arranged and used for releasing the stress of the edge of the aluminum foil and preventing the slitter edge from being knotted or wound correspondingly, and the winding process is further optimized. According to the aluminum foil winding device, the stability and quality of aluminum foil winding are improved, the operation difficulty is reduced, and the production efficiency is improved.
Owner:HENAN ZHONGLAN NEW MATERIALS CO LTD

Movable loading platform with adjustable angle

The utility model discloses an angle-adjustable mobile loading platform which comprises a bearing platform, a supporting bottom frame is arranged at the lower end of the bearing platform, a slewing bearing is arranged between the bearing platform and the supporting bottom frame, the supporting bottom frame is fixedly placed on the ground, and the bearing platform is rotatably installed at the upper end of the supporting bottom frame through the slewing bearing. A rack is fixed to the lower side of the rear end of the bearing platform, a driving motor is fixed to the lower side of the rear end of the supporting bottom frame, a gear is installed on a rotating shaft of the driving motor, and the gear and the rack are in meshing transmission. The conveying mechanism can automatically rotate according to the parking angle of a truck, so that the position of the conveying mechanism is accurately aligned with a carriage, and truck loading is more convenient.
Owner:ANQIU BOYANG MACHINERY MFR

Self-adaptive welding seam polishing robot suitable for large pipeline

The invention belongs to the technical field of grinding, and discloses a self-adaptive weld joint grinding robot suitable for a large pipeline, which comprises a rack and a grinding assembly, the grinding assembly comprises a plane workbench, a slewing bearing seat, a pitching adjusting support and a supporting seat, and the plane workbench, the slewing bearing seat and the pitching adjusting support are sequentially arranged from bottom to top; the supporting base is installed on the pitching adjusting support in a sliding mode, a driving wheel, a polishing wheel, a tensioning wheel, an abrasive belt and a polishing motor are installed on the supporting base, the driving wheel, the polishing wheel and the tensioning wheel are distributed in a triangular mode, and the abrasive belt is arranged on the outer side of the driving wheel, the outer side of the polishing wheel and the outer side of the tensioning wheel in a sleeving mode to jointly form a polishing mechanism. The rotary supporting seat and the pitching adjusting supporting seat are sequentially arranged on the plane workbench, and the rotary supporting seat and the pitching supporting seat are connected through the reset spring, so that the polishing assembly installed on the pitching adjusting supporting seat has a great angle adaptation effect, and then factors such as misalignment of a welding seam and ovality change of a workpiece can be adapted.
Owner:IND TECH RES INST OF YIBIN SICHUAN UNIV

Test tool for slewing bearing of crane

The invention discloses a crane slewing bearing test tool which comprises a base and a frame plate arranged on the base, a supporting plate is horizontally arranged on the frame plate, tool bases are arranged at the two ends of the supporting plate, a mandrel is movably arranged between the two tool bases, a tool sleeve is arranged on the mandrel in a sleeving mode, and a mounting cavity is formed between the tool sleeve and the mandrel. The base is provided with a first loading piece used for applying radial loading acting force to the tool sleeve and a regulation and control piece used for being in linkage fit with the first loading piece to enable the loading direction of the first loading piece to be changed, and the frame plate is provided with a second loading piece used for applying radial loading acting force to the tool sleeve. The supporting plate is provided with a driving part used for driving the mandrel to operate so as to simulate the actual operation condition of the bearing. The problems that a traditional crane slewing bearing test tool is single in test loading direction, the actual operation working condition of the bearing is difficult to simulate, and the loading working conditions of loads in different directions during actual operation of the bearing cannot be simulated are solved.
Owner:WENZHOU SPECIAL EQUIP TESTING SCI RES INST (WENZHOU SPECIAL EQUIP EMERGENCY RESPONSE CENT)

All-rotation hoisting pile driver for offshore ship

The utility model discloses a full-rotation hoisting pile driver for an offshore ship. The full-rotation hoisting pile driver comprises a full-rotation hoisting device and a pile driving device, the full-rotation lifting device comprises a base, a rotation bearing, a rotation chassis, a propeller strut and an arm support. The base is connected with the rotary chassis through the rotary bearing; the propeller strut is arranged on the rotary chassis; the lower end of the arm frame is movably connected with the propeller strut, and the propeller strut is wound with the arm frame through a steel wire rope; the piling device comprises a pile frame, a fork frame and a winding mechanism; the pile frame is connected with the upper end of the arm frame through a sliding shoe; one end of the fork frame is movably connected with the pile frame, and the other end of the fork frame is movably connected with the propeller strut; and the platform on the pile frame is connected with the corresponding winch in the machine room through the winding mechanism. According to the utility model, the full-circle slewing crane and the piling system are effectively combined, so that the piling requirements of straight piles and inclined piles can be met without frequent ship moving and positioning.
Owner:SHANGHAI ZHENHUA HEAVY IND +1

Composite slewing bearing soft belt polishing machine tool

The invention discloses a composite slewing bearing soft belt grinding machine tool, and belongs to the technical field of slewing bearing grinding. A composite slewing bearing soft belt grinding machine tool comprises a split rotary table which is horizontally placed on the ground, the split rotary table comprises a driving sliding table and two auxiliary power sliding tables, the split rotary table is arranged at the radial position of a machined workpiece, the three sliding tables are arranged at fixed angles, and the auxiliary power sliding tables are arranged on the driving sliding table. The base is used for placing, clamping and rotating a machined workpiece; the machine tool is mounted on the front side of the split rotary table; and the rotating mechanism is mounted in the moving tail end area of the machine tool. According to the scheme of the machine tool, the idea of multiple degrees of freedom of the robot is continued, the machining end is provided with an upper B shaft and an upper C shaft, more machining poses are expanded through five servo shafts, and multifunctional composite grinding is achieved. The rotary table is suitable for polishing and arranging soft belts of spherical raceways and three rows of cylindrical raceways (inner / outer rings). The split rotary table comprises a driving sliding table and two auxiliary power sliding tables, and the three sliding tables are arranged at a fixed angle; the machine tool is mounted on the front side of the split rotary table; and the rotating mechanism is mounted in the moving tail end area of the machine tool. The split rotary table is used for replacing a traditional large rotary table, the cost of a numerical control system is greatly reduced, the rigidity of equipment is improved on the basis of multi-degree-of-freedom machining, and machining is more stable.
Owner:NANJING GONGDA CNC TECH

Polishing device for end face of slewing bearing

The invention belongs to the technical field of bearing machining equipment, and particularly relates to a polishing device for the end face of a slewing bearing, the polishing device comprises a workbench, a supporting frame is fixedly connected to the workbench, an upper polishing mechanism used for polishing the upper surface of a bearing body is installed at the top of the supporting frame, and the upper polishing mechanism comprises a protective cover, a rotating shaft and a rotating shaft; and the bracket is fixed on the support frame. A reciprocating telescopic part and a water spraying part are arranged on the upper grinding mechanism, when a first motor drives a shaft rod and an upper grinding disc to rotate, a rotary disc can rotate synchronously, then a wedge-shaped block makes contact with a ball at the bottom of the reciprocating telescopic part, and a telescopic plate is driven to move upwards; and then the telescopic rod is driven to move through the matching relation between the upper wedge-shaped limiting block and the lower wedge-shaped limiting block, then the piston is made to move, water spraying operation of the spray head is achieved, when the rotating speed of the upper grinding disc is higher, the water spraying amount is larger, otherwise, the water spraying amount is smaller, and the problem that at the present stage, the device lacks an automatic water spraying and cooling function is solved.
Owner:XUZHOU WANDA SLEWING BEARING

Stepping type walking mechanism and robot for low-specific-pressure non-structural terrain

PendingCN119527457ARealize the walking functionachieve steeringVehiclesGear wheelControl engineering
The invention belongs to the field of mud flat operation machinery, and particularly relates to a low-specific-pressure non-structural terrain-oriented step type walking mechanism which comprises a rack assembly, a walking assembly, a running assembly and a supporting leg assembly, the walking assembly comprises a fixing frame, a rail, an abdominal base assembly, a rotation assembly and a pulley assembly. The abdominal base part assembly comprises a frame, and an engine and two displacement oil cylinders which are fixed on the frame; the pulley assemblies are fixedly connected to the four corners of the frame, the rails are fixed to the two sides of the frame, telescopic rods of the displacement oil cylinders are fixedly connected with the fixing frames, and the two fixing frames are fixedly connected with a rack of the rack assembly. The pulley assembly is connected with the track in a sliding manner; the slewing assembly comprises a slewing bearing with an inner gear, a gear meshed with the slewing bearing, and a slewing bearing connecting frame fixedly connected with the slewing bearing; the steering motor is fixedly connected to the frame; the robot can keep high efficiency and flexibility of movement, and has high obstacle crossing ability.
Owner:QUANZHOU FENGZE DISTRICT JIGONG ENGINEERING MACHINERY TECHNOLOGY RESEARCH INSTITUTE

Double-shaft tracking photovoltaic panel support

The invention discloses a double-shaft tracking photovoltaic panel support. The support comprises a first support; the rotating assembly is connected to the top of the first support and comprises a second support, a driving motor, a driving gear and a pivotal bearing, and the driving gear is fixedly connected to a driving shaft of the driving motor and is matched with the pivotal bearing to drive the second support to rotate; the ground connecting bracket is used for mounting a photovoltaic panel, is connected to the top of the second support and is in sliding fit with the second support; the electric push rod forms a triangular structure with the second support and the connecting bracket and is used for driving the connecting bracket to tilt and form an included angle with the horizontal plane; wherein the connecting bracket is formed by splicing standard corner joint pieces; the first support and the second support are connected to the slewing bearing through the standard corner joint pieces respectively, modular design is adopted, the structure is simple, the weight is light, and installation and maintenance are convenient; the standard corner joint pieces are used for connection, and personalized upgrading is supported; the double-shaft tracking system significantly improves the power generation efficiency, reduces the occupied area, reduces the overall cost, and meets the market demands.
Owner:WUYI UNIV

Tension-free wrapping system and method for armored spiral tube superconducting coil for nuclear fusion

The invention discloses a tension-free wrapping system and method for an armored spiral tube superconducting coil for nuclear fusion, which is suitable for the field of research, development and manufacturing of nuclear fusion reactors, and comprises a wrapping platform upper cover plate, a first laser level meter, a cylinder positioning rod, a slewing bearing platform, a second laser level meter, a cushion block and a wrapping platform, the slewing bearing platform rotates according to the radial stress condition of a superconducting coil turn-releasing coil and the stress condition of a spiral line in the circumferential direction, and the second laser level meter rotates according to a base of the wrapping platform and then conducts lead-out datum line positioning calibration. And a cylinder positioning rod arranged on the wrapping platform is used for positioning and fixing the slewing bearing platform of the wrapping platform. According to the invention, the tension-free insulation wrapping of the armored spiral tube superconducting coil for nuclear fusion can be ensured, and the tension damage of the metallographic structure of the superconducting coil in the wrapping process is avoided.
Owner:HEFEI XIHE SUPERCONDUCTING TECHNOLOGY CO LTD

Adjustable launcher for rocket boosting type unmanned aerial vehicle

The invention provides an adjustable launcher for a rocket-boosted unmanned aerial vehicle. The adjustable launcher is mainly used for solving the technical problems that the pitching angle of an existing launcher for the rocket-boosted unmanned aerial vehicle cannot be adjusted, the launching direction cannot be changed by 360 degrees according to the wind direction, the requirement for ground flatness is high, and flexibility is poor. The platform comprises a pitching platform, an azimuth platform and a fixed platform. The fixed platform is arranged on the ground through ground nails, and the gradient of the ground can be horizontally adjusted; a slewing bearing is arranged between the azimuth platform and the fixed platform, the azimuth platform is driven by the slewing bearing to rotate, rotation adjustment of the azimuth platform is facilitated, and the unmanned aerial vehicle takes off along the wind; a second screw elevator is arranged between the pitching platform and the azimuth platform and used for adjusting the pitching angle when the unmanned aerial vehicle is launched, and the take-off effect of the unmanned aerial vehicle is guaranteed. The take-off device is only composed of a mechanical structure, the structure is simple, and a guarantee is provided for take-off of the rocket-assisted unmanned aerial vehicle.
Owner:XIAN AEROSPACE PRECISION ELECTROMECHANICAL INST

Wind turbine generator variable pitch bearing fault simulation experiment platform and monitoring method

The invention provides a wind turbine generator variable-pitch bearing fault simulation experiment platform and a monitoring method, relates to the technical field of wind turbine generator equipment, and can equivalently simulate the operation and load states of a variable-pitch bearing, realize various loading modes such as axial, radial and torsion, and improve the test efficiency. And vibration signals, sound signals and strain signals of the prefabricated faulty slewing bearing are monitored in real time under different load conditions, and various damage characteristics of the prefabricated faulty slewing bearing are obtained by analyzing the vibration signals, the sound signals and the strain signals, so that health diagnosis and fault early warning of the variable pitch bearing part of the wind turbine generator are realized.
Owner:DONGFANG ELECTRIC CHENGDU INTELLIGENT TECH CO LTD +1

Super-huge turntable bearing rigidity testing device

The utility model belongs to the technical field of bearing testing, and relates to an oversize turntable bearing rigidity testing device. The related testing device is provided with a testing platform. A driving assembly which is connected with the test bearing inner ring and drives the test bearing inner ring to rotate is placed on the test platform; the driving assembly is provided with a transition flange connected with the inner ring of the test bearing; the transition flange plate is supported on the test platform through a driving bearing; a loading arm is arranged above the transition flange plate; the loading arm is connected with the outer ring of the test bearing; a radial oil cylinder is arranged at one end of the loading arm; and an axial oil cylinder and an overturning oil cylinder are also arranged corresponding to the loading arm. According to the utility model, the rigidity of the bearing can be tested under the action of different axial forces, radial forces and overturning moments, so that the change of the rigidity of the bearing can be analyzed and tested under the influence of various working conditions.
Owner:LUOYANG LYC BEARING

Hoisting system for mounting prefabricated building prefabricated structure

The invention relates to a hoisting system for mounting a prefabricated building prefabricated structure, which comprises a horizontal angle adjusting mechanism and a rotating platform, the rotating platform comprises a slewing bearing, an upper flange is arranged on the upper end face of the outer ring of the slewing bearing, and a lower flange is arranged on the lower end face of the inner ring of the slewing bearing; the upper flange is provided with a first driving piece for driving the inner ring of the slewing bearing to rotate around a shaft; the three-dimensional fine adjustment mechanism comprises a vertical fine adjustment assembly, a transverse fine adjustment assembly and a longitudinal fine adjustment assembly. According to the invention, X / Y / Z linear displacement and Z-axis rotation adjusting functions are integrated, manual intervention is reduced, adjustment of horizontal displacement, vertical height and horizontal angle can be realized, and the mounting efficiency and safety of the laminated slab are improved.
Owner:CHINA RAILWAY SEVENTH GRP CO LTD +1

In-plant trial assembly assistive device for portal slewing bearing beam of bucket-wheel excavator

The utility model discloses an in-plant trial assembly assistive device for a door-shaped rotary bearing beam of a bucket-wheel excavator. The in-plant trial assembly assistive device comprises a pitching reaming coaxial tool and a rotary center coaxial tool. The pitching reaming coaxial tool comprises a transverse center shaft, a side clamping flange and a side baffle, a first middle stand column and a second middle stand column are fixed to the two ends of the transverse center shaft through the side clamping flange and the side baffle, and it is guaranteed that the pitching reaming coaxiality of the material taking arm meets the drawing requirement; the rotation center coaxial tool comprises a vertical center shaft, a top clamping flange, a top baffle and a supporting base, the top of the rotation center coaxial tool fixes a top cross beam to the vertical center shaft through the top clamping flange and the top baffle, and the bottom of the rotation center coaxial tool fixes the vertical center shaft and a bearing beam rotation base together through the supporting base. And the coaxiality of the rotating shaft of the discharging arm to the rotation center meets the drawing requirements. According to the utility model, the product assembly precision can efficiently meet the drawing requirement, each part can be supported and connected, the overall stability of the product is improved, and the safety risk in the production process is reduced.
Owner:FIRST HEAVY IND GRP TIANJIN HEAVY IND CO LTD +1

Crane vessel for hoisting of an offshore wind turbine or component thereof

A crane vessel for hoisting of an offshore wind turbine or a component thereof, includes a hull having a deck. A crane configured for hoisting of an offshore wind turbine or a component thereof includes a vertical crane structure having a crane structure base fixed to the hull, the crane structure extending from the hull over a height thereof to a top along a vertical axis of the crane structure, a boom, and a slew bearing allowing to revolve the boom, about a slew axis. A main hoisting system includes at least one main hoisting winch, an associated main hoisting cable and a load connector, the main hoisting cable extending from the main hoisting winch to a main hoist cable guide on the boom and then to the load connector. The crane further includes a dynamic behaviour adjustment system that is configured to adjust the dynamic behaviour of the vessel by moving and / or arranging an adjustment mass that is distinct from the offshore wind turbine or component thereof into or in at least one dynamic behaviour adjustment position along the height of the vertical crane structure.
Owner:ITREC BV

Sealing type slewing bearing

The utility model discloses a sealing type slewing bearing which comprises an inner ring and an outer ring which are arranged from inside to outside, a plurality of balls are arranged between the inner ring and the outer ring, the end face of the inner ring is higher than the end face of the outer ring, a sealing ring is arranged on the side face of the inner ring, and the inner ring and the outer ring are arranged in parallel. An annular protrusion is formed on the lower end face of the sealing ring, the end face of the outer ring is sunken downwards to form an annular groove, the annular protrusion is rotatably clamped in the annular groove, a gap exists between the lower end face of the sealing ring and the end face of the outer ring, and a rubber ring with a U-shaped section is detachably arranged at the end of the sealing ring. The problems that in the prior art, a rubber ring is arranged on the surface of a slewing bearing, one end of the rubber ring is clamped to the side face of an inner ring, the other end of the rubber ring is attached to the end face of an outer ring, after long-time use, the elasticity of the sealing rubber ring is reduced, the end of the rubber ring is prone to upwarp, and the sealing performance is reduced are solved.
Owner:SUZHOU ULTRALAND BEARING TRADING CO LTD

Tooling and method for replacing slewing support of bucket wheel excavator

ActiveCN112723236BTo achieve the purpose of replacing the slewing bearingLifting framesControl engineeringMachine
The present invention relates to the technical field of bucket wheel stacker reclaimers in bulk material loading and unloading systems, and specifically to a tool and method for replacing a slewing support of a bucket wheel machine. The tool comprises a jacking device and a lead screw, wherein the bottom of the jacking device is fixed to the upper part of a portal frame, and the jacking device lifts a slewing platform; a support is installed at the bottom of the lead screw, and the support is fixed to the upper part of the portal frame, and the lead screw passes through the slewing platform, and the lead screw is threadedly connected to an upper adjusting nut and a lower adjusting nut respectively with the slewing platform as the boundary. The present invention does not require the equipment to be dismantled to achieve the purpose of replacing the slewing bearing, which saves replacement time and cost, and is safe and reliable.
Owner:DALIAN TIANCHONG BULK MASCH EQUIP CO LTD

A slewing bearing-free integral quenching machine tool arm

This invention relates to the field of quenching equipment technology, specifically to a rotary bearing integral quenching machine arm without a soft strip, comprising a base and a mounting plate located above the base. The bottom end of the mounting plate has a horizontally rotatable adjustment plate. Several displaceable driven arms are evenly distributed through the side wall of the adjustment plate. Each driven arm has a rotatable extension arm on its other end. A lifting frame is fixed to the lower side surface of each extension arm. When the lifting frames face each other or away from each other, they can lift the workpiece to be processed. This processing device adjusts the spacing of the extension arms by adjusting the displacement of the driven arms, and lifts workpieces of different specifications by rotating the lifting frames. The rotation of the first and second drive rollers drives the workpiece to rotate, facilitating processing.
Owner:ANHUI WENJUN AUTOMATION TECH CO LTD

Boom system, operation system and control method

The embodiment of the invention provides an arm support system, an operation system and a control method, the arm support system comprises a folding arm support, the folding arm support comprises a plurality of arm sections, any two adjacent arm sections are rotatably connected, the plurality of arm sections comprise a head end arm section and a tail end arm section, and the tail end arm section is connected with a mechanical arm; the two ends of any first electric cylinder are arranged on the two adjacent arm sections correspondingly, and the first electric cylinders are used for driving the two adjacent arm sections to rotate relatively; the slewing bearing is rotationally connected with one end of the head-end arm section; and the second electric cylinder is arranged on the slewing bearing, and the second electric cylinder is used for driving the head end arm section to expand or retract relative to the slewing bearing. According to the technical scheme, the first electric cylinder and the second electric cylinder are adopted to control the arm section to stretch, and one-key unfolding and folding operation of the arm section is achieved.
Owner:LOUDI ZHONGYUAN NEW MATERIALS CO LTD

Thin-wall cylinder tapping equipment and method in planetary structure gearbox

The invention belongs to the technical field of gearbox production, and particularly relates to a thin-wall cylinder tapping device and method in a planetary structure gearbox. The thin-walled cylinder workpiece tapping device is reasonable in structural design and mainly comprises a platform, a rotary bearing, a positioning mechanism, a support, a first push rod, a movable frame, a vertical linear guide rail pair and a tapping mechanism, the positioning mechanism is used for adsorbing and locking a thin-walled cylinder workpiece, and the rotary bearing is used for driving the positioning mechanism and the thin-walled cylinder workpiece to rotate in the circumferential direction; the distance between the tapping mechanism and the thin-walled cylinder workpiece is adjusted through the first push rod, the height position of the tapping mechanism is adjusted through the vertical linear guide rail pair, and the tapping requirements of different positions of a cylinder part in the thin-walled cylinder workpiece are met in this way. And meanwhile, an anti-deformation suction cup is additionally arranged in the punching mechanism and can adsorb and lock the peripheral part of the punching part in advance before punching, so that when the punching die head carries out punching operation, the peripheral part cannot be deformed.
Owner:JIANGSU SUNFEN ALUMINIUM CO LTD

Integral quenching machine for slewing ring without soft band

The present application relates to quenching equipment technical field, specifically is related to a slewing bearing no soft band integral quenching machine tool, including base, the upper surface of base is provided with collecting groove, X axis support is equipped in collecting groove, the adjustable box that can along its installation direction horizontal sliding is equipped on X axis support, the top end of adjustable box is embedded with rotatable support cylinder, a plurality of clamping jaws are provided in the side wall of support cylinder, the clamping jaw is driven and the spacing is adjusted by the drive assembly arranged in support cylinder;The slewing bearing is clamped or released in the process of approaching or moving away each other, the rotating motor can drive the rotation of support cylinder, and then the slewing bearing clamped in the inside of clamping jaw is adjusted, when adjustable box is at different positions on X axis support, the inside or outside of different specifications of slewing bearing can be quenched.
Owner:ANHUI WENJUN AUTOMATION TECH CO LTD

Large-swing-angle fine-adjustable air floatation adjusting frame and optical element detection method

A large-swing-angle fine-tuning air floatation adjusting frame for optical element detection realizes 360-degree large-angle deflection through hierarchical connection of a bottom plate, a transition plate, a middle plate and a pitching plate in cooperation with a slewing bearing, and realizes nanoscale fine tuning by using a screw rod and a ball head structure of a deflection block. The ton-level optical element can be easily moved and positioned through the air floating module, the side sliding plates and the guide rails are matched with elements of different sizes, and clamping safety is guaranteed through the middle cushion blocks and the side soft cushions. The device can assist detection personnel in performing real-time precise detection on the surface type parameters of the optical element, is particularly suitable for meter-scale, heavy and difficult-to-move optical elements, can conveniently and quickly adjust the measurement surface and the measurement angle, and realizes quick adjustment and measurement of the detection personnel on the optical element.
Owner:SHANGHAI HENGYI OPTICS & FINE MECHANICS CO LTD

Laser cladding repairing device and method for follow-up atmosphere protection large slewing bearing

The invention relates to the technical field of laser, in particular to a follow-up atmosphere protection large slewing bearing laser cladding repairing device and method.The device comprises a large slewing bearing, a laser cladding system, an X-Z-axis two-dimensional motion platform, a follow-up inert atmosphere chamber, a C-axis rotating table, an atmosphere control system and a master control system. According to the invention, the cladding head is driven to generate relative motion in the vertical direction and the horizontal direction by virtue of the X-Z-axis two-dimensional motion platform, and the inert atmosphere chamber and the cladding head are driven to move in the circumferential direction of the slewing bearing subjected to additive machining by virtue of the C-axis rotating table, so that continuous machining of laser cladding additive manufacturing and remanufacturing of the large rotary structural member is realized. The follow-up inert atmosphere chamber is small in volume, short in inflation and deflation time and high in efficiency. And the cladding head is provided with double hammering units, so that hot metal which is just deposited can be hammered synchronously, and cladding processing and processing post-processing can be carried out synchronously.
Owner:SHIJIAZHUANG TIEDAO UNIV +1

Crane with double rotary tables

The utility model discloses a double-turntable crane which comprises a chassis, a slewing bearing is mounted on the chassis, a turntable connecting piece is mounted on the slewing bearing, two turntables are symmetrically arranged on the turntable connecting piece by taking a slewing axis of the slewing bearing as a symmetry axis, and a hoisting mechanism is mounted on each turntable; the rotary table connecting piece comprises a connecting part located in the middle and installed on the slewing bearing, and two installation parts located on the two sides of the connecting part and used for installing a rotary table. The lower surfaces of the two mounting parts are curved surfaces, and the two curved surfaces are sunken towards the upper part of the connecting part; the hoisting mechanism comprises a mast hinged to the rotary table, a counterweight assembly installed on the mast and provided with a counterweight piece, a lifting assembly installed on the rotary table and used for pulling the counterweight piece to move up and down, and a hoisting assembly installed on the rotary table and used for hoisting heavy objects. By arranging the two rotary tables and the two hoisting mechanisms, when a large-load heavy object is hoisted, the two hoisting mechanisms can work synchronously, and the heavy object is hoisted together.
Owner:엑스씨엠지 컨스트럭션 머쉬너리 코퍼레이션 리미티드 엘티디 빌딩 머쉬너리 코퍼레이션

Four-point rotation end driving device

The invention belongs to the technical field of metallurgical mechanical transmission, and relates to a four-point rotation end driving device which comprises a rotation driving device, a gear motor and a bidirectional damping supporting device, the rotation driving device is provided with four outer meshing point positions distributed at equal center distances, and each outer meshing point position is provided with an interchangeable gear shaft box; the driving device is used for driving the rotary driving device; an input shaft of the gear shaft box is sleeved with a hollow output shaft of the gear motor, and the gear motor is flexibly connected with the gear shaft box through a diaphragm flange device; the two sides of the rotation driving device are flexibly supported by the two-way damping supporting device. According to the suspension primary speed reducer, the number of meshing points is increased to four, the load of a single meshing point is effectively dispersed, the tooth width coefficient is reduced, and therefore the lightweight design of the suspension primary speed reducer is achieved, a single slewing bearing is adopted to replace a large gear and a supporting bearing in a traditional low-speed gear box, and the axial size and the manufacturing cost are greatly reduced.
Owner:CISDI HEAVY MACHINERY

High-altitude double-track prone-track type inspection robot driving mechanism

The invention discloses a driving mechanism of a high-altitude double-track prone-to-track type inspection robot, belongs to the technical field of gas leakage monitoring, and aims to solve the problems that a single-track robot is poor in stability, easy to fall off and stuck during turning, and wheel sets are difficult to maintain. The device comprises an aluminum alloy substrate, a transmission module with an explosion-proof motor and a self-locking positive and negative trapezoidal screw rod, a bearing module with a rotary support, and a limiting bearing wheel set comprising an adjustable limiting wheel and an elastic guide wheel. The double-track lying rail design prevents transverse swinging and falling, the slewing bearing solves the problem of turning angle difference, the positive and negative trapezoidal screw rods prevent turning clamping, and the rectangular spring realizes pressure adjustment of the driving wheel. The whole machine is explosion-proof, is high in load capacity (adaptive to multiple acquisition devices), is suitable for high-altitude inspection of flammable and explosive places such as petrochemical engineering, and improves the monitoring comprehensiveness and safety.
Owner:BEIJING ENVIRONMENT PIONEER TECH LTD

Wind generating set pivotal bearing fault diagnosis method based on high-order statistic analysis

The invention provides a wind generating set pivotal bearing fault diagnosis method based on high-order statistic analysis, which takes skewness and kurtosis as measurement standards for denoising of a statistical filter, inhibits interference of background noise and enhances expression of fault features so as to relieve the problem that a fault signal is covered by the background noise. According to the method, deep features caused by bearing faults are reflected in a high-dimensional space by applying phase-space reconstruction, and feature fault diagnosis is performed on non-Gaussian and non-linear signals in the high-dimensional space by adopting adaptive multi-spectral estimation. Compared with a traditional linear feature diagnosis method, the problems that background noise and fault signals are mixed together and are difficult to separate and non-linear and non-Gaussian features interfere with diagnosis are solved, and a new solution is provided for fault diagnosis of the slewing bearing of the wind generating set.
Owner:HUZHOU PUKANG ZHIXIN TECHNOLOGY CO LTD