967 results about "Slewing bearing" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a centering rotary feeding device, belongs to the technical application field of numerical control inverted lathes, and is used for solving the feeding problem of a large inverted lathe. The device comprises a rotary feeding device and a workpiece centering device, the rotary feeding device is based on a rotary base, longitudinal movement of a sliding seat is achieved through a linear rail and a driving system, a feeding table is driven to rotate by 360 degrees in cooperation with a rotary bearing with a gear ring, and the feeding table is provided with a self-adaptive material table; the workpiece centering device is based on the centering base, the left centering arm and the right centering arm are driven by the bidirectional driving system to move synchronously, and quenching pads on the inner sides of the centering arms are arranged in a V shape to achieve automatic centering of workpieces. The device is made of cast iron materials, so that the rigidity is improved, the maximum bearing capacity is 3200 Kg, the feeding stroke is not smaller than 2500 mm, self-adaptive clamping and precise centering of workpieces can be achieved, the machining auxiliary time is saved, support is provided for development of large inverted lathes, and the device can also be used for other equipment needing feeding and discharging of heavy workpieces.

The invention relates to the technical field of tunneling engineering, and discloses an automatic operation drilling equipment and anchor rod mounting equipment integrated device which comprises a bearing mechanism, a hydraulic telescopic column and a driving assembly, the bearing mechanism comprises an open type bearing seat, a hydraulic telescopic column adaptively mounted in an inner cavity of the open type bearing seat, and the driving assembly is arranged on the outer side of the open type bearing seat; the integrated operation mechanism comprises a rotary bearing seat fixedly arranged on the outer surface of the inner section of the hydraulic telescopic column in a sleeving mode and a drilling assembly arranged on the outer side of the rotary bearing seat through a support. According to the integrated device, integrated operation is achieved, the number of constructors needed by operation of different devices is reduced, the labor cost and the difficulty of personnel coordination are reduced, meanwhile, due to the fact that drilling and anchor rod mounting operation are conducted on the same device, the problems of improper connection, positioning deviation and the like caused by operation of different devices are solved, and the working efficiency is improved. The precision and quality of drilling and anchor rod mounting operation are improved, and the stability of a tunnel structure is guaranteed.

The corrugated pipe fatigue testing machine comprises a base, a first rotating assembly and a deflection movement assembly, the first rotating assembly comprises a first motor, a first rotating shaft and a first tool, and the first tool is arranged at one end of the first rotating shaft and used for installing a corrugated pipe; the other end of the first rotating shaft is connected with the output end of the first motor; the deflection movement assembly comprises a deflection base, a slewing bearing and a deflection motor, the slewing bearing is arranged on the base, the deflection base is arranged on the slewing bearing and connected with the output end of the deflection motor, a second tool is arranged on the deflection base, and the second tool is rotationally connected with the deflection base and used for being matched with the first tool to fixedly install the corrugated pipe; under driving of the first motor, the first rotating shaft drives the corrugated pipe to axially rotate, and under driving of the deflection motor, the deflection base drives the corrugated pipe to deflect along the axis of the slewing bearing.

The invention relates to the technical field of hoisting equipment, in particular to turnable single-beam electric hoist hoisting equipment which comprises a supporting frame, a fixed rail beam and an electric hoist, the electric hoist comprises a walking mechanism and a hoisting mechanism, and a shaft body is fixed to the middle of the top face of the swing rail beam; the tops of the multiple fixed rail beams are fixed to the top of the supporting frame, the swing rail beams are arranged between the corresponding ends of the two fixed rail beams which are perpendicular to each other, and the shaft body is rotationally connected to the top of the supporting frame in a sleeving mode. A disc with the top face fixedly connected with the bottom face of the walking mechanism is arranged at the top of the hoisting mechanism, the disc is fixedly sleeved with a slewing bearing, the walking mechanism is provided with a power piece in meshing transmission with a rotating outer ring gear ring of the slewing bearing, and a telescopic clamping mechanism is fixed to the rotating outer ring of the slewing bearing in the radial direction. The telescopic clamping mechanism comprises a clamping piece which can move in the radial direction relative to the slewing bearing and is in sliding clamping fit with the bottom of the fixed rail beam in the axial direction. Therefore, the walking direction of the single-beam electric hoist can be adjusted stably and smoothly.

A marine crane comprises a base, the base is connected with a folding suspension arm through a slewing bearing, the folding suspension arm is formed by sequentially connecting a base section, a middle section and a tail section through hinge shafts, folding of the folding suspension arm is achieved through a first hydraulic cylinder and a second hydraulic cylinder, and the tail section is connected with a hanging scaffold through a connecting sling. A main pulley assembly used for controlling the connecting sling is arranged on the folding suspension arm, a stabilization device is installed on the upper end face of the slewing bearing, the stabilization device is connected with the hanging scaffold through auxiliary ropes, the two auxiliary ropes and the hanging scaffold connected with the sling form a triangular stable structure, and the stabilization device controls stabilization of the hanging scaffold through dragging actions on the auxiliary ropes. According to the marine crane provided by the utility model, the folding suspension arm is folded, so that the occupied space of the crane is reduced; the two auxiliary ropes and the hanging scaffold connected with the sling form a triangular stable structure, so that the hanging scaffold works stably, the slewing bearing drives the folding suspension arm and the stabilization device to rotate synchronously, multi-angle adjustment of the crane is realized, and the occupied volume of the stabilization device is also reduced.

The utility model discloses a slewing bearing platform for a large ocean floating crane system, which belongs to the technical field of engineering machinery and comprises a supporting seat, a rotating component is arranged on the upper surface of the supporting seat and comprises an outer gear ring, the outer gear ring is arranged on the upper surface of the supporting seat and is rotatably connected with the supporting seat, and the outer gear ring is connected with the supporting seat. An outer gear ring is arranged on the upper surface of the supporting seat, an inner gear ring is arranged on the inner wall of the outer gear ring, the inner wall of the outer gear ring is rotationally connected with the outer wall of the inner gear ring, the inner gear ring is fixedly connected to the upper surface of the supporting seat, a plurality of rolling bodies are connected into the inner gear ring, and gear teeth are formed in the inner wall of the inner gear ring. The oil storage ring is directly installed on the inner ring, the space of the inner ring is fully utilized, extra space is not occupied, the whole system is more compact, the annular structure of the oil storage ring can better adapt to the shape of the slewing bearing platform, and it is guaranteed that lubricating oil is evenly distributed in all directions.

The invention discloses a multifunctional super-elevated lifting appliance with switchable forms, which is applied to a container reach stacker and comprises an upper rotary table, a lower rotary table, a main beam, a telescopic beam, supporting legs, a follow-up rotation mechanism, a spin lock device, a mechanical anti-rotation device and various oil cylinders. The upper rotary table and the lower rotary table are connected through a slewing bearing, the main beam and the telescopic beam are connected through a sliding block, a rotating point and an oil cylinder, and the supporting legs and the telescopic beam are connected through a rotating point and an oil cylinder. The supporting legs stretch or retract through stretching of the stretching oil cylinders, the telescopic beams and the supporting leg spin locking devices rotate synchronously in cooperation with the following rotating mechanisms, and the requirement for ultrahigh cargo hoisting is met. When the supporting leg is folded, the mechanical anti-rotation device is limited by the gap of the rotary lock lug and the box landing pin, so that the lock head is prevented from rotating due to external force. Working conditions can be rapidly switched without disassembling the lifting appliance, the working efficiency is improved, the weight of the lifting appliance is reduced to improve the bearing capacity, no extra space is occupied, and the working stability and safety are guaranteed.

The invention discloses a slewing bearing with three rows of rollers, a detection device, a detection method and an assembly method.The slewing bearing comprises an outer upper ring, an outer lower ring and an inner ring, and multiple sets of axial long holes are formed in the inner ring; limiting components and connecting long pins are installed in the axial long holes respectively, and the limiting components and the connecting long pins in the multiple sets of axial long holes are arranged at intervals. Two groups of parallel radial holes are formed in the inner side of the inner ring, one ends of the two groups of radial holes are communicated with the axial long hole, and the other ends of the two groups of radial holes are respectively communicated with the upper retainer or the lower retainer; the limiting component comprises a positioning long bolt, and symmetrical conical sleeves are mounted on the positioning long bolt; the two groups of radial holes are arranged in parallel up and down and are respectively provided with an upper propping column and a lower propping column; the conical sleeve abuts against the upper abutting column and the lower abutting column. According to the slewing bearing with the three rows of rollers, the conical sleeves which are arranged in the circumferential direction abut against the corresponding upper abutting columns and the corresponding lower abutting columns respectively, and abut against the upper retainer or the lower retainer, so that the slewing bearing has better radial stability.

The utility model discloses a numerical control rolling ring for rolling a slewing bearing, and belongs to the technical field of slewing bearing machining equipment. A numerical control rolling ring for slewing bearing rolling comprises a base, a mounting frame is arranged at one end of the base, a positioning plate is mounted in the mounting frame, a driving motor is arranged on one side of the positioning plate, the output end of the driving motor is fixedly connected with an adjusting assembly, and a compression roller assembly and a supporting air cylinder are mounted on the adjusting assembly. According to the numerical control rolling ring for slewing bearing rolling, the positions of the driving motor and the adjusting assembly are fixed through the positioning plate, the driving motor is used for driving the sliding block to move linearly at the same time, the requirement for various rolling diameters can be met, the pressing roller assembly is installed on the sliding block, and the rolling motor drives the rotating piece to drive the rolling roller to rotate; and meanwhile, the angle of the rolling roller can be changed on the rotating piece, the rolling roller can incline under the control of the supporting air cylinder, and the requirement for rolling multiple curved surfaces of the slewing bearing is met.

The present invention provides a grinding device, relating to the technical field of machining machinery. The grinding device comprises a mounting frame, a slewing bearing, and an angle grinder. The slewing bearing is mounted on the mounting frame, and the angle grinder is mounted on the slewing bearing. The slewing bearing can drive the angle grinder to perform a slewing motion about the slewing bearing's rotational centerline. The mounting frame is used to connect a grinding workpiece. This alleviates technical problems in the prior art, such as safety hazards when grinding a grinding workpiece, the tendency to cause arm soreness in workers, and consequently, low grinding accuracy.

The utility model relates to the technical field of hoisting square tube rail robots, in particular to a multi-degree-of-freedom hanging rail slewing mechanism which comprises a mounting base and two hanging frameworks, the hanging frameworks are arranged on the two sides of the mounting base, the bottoms of the hanging frameworks are fixedly connected with upper slewing bearings, the bottoms of the upper slewing bearings are fixedly connected with bearing connecting plates, and the bearing connecting plates are fixedly connected with lower slewing bearings. The bottoms of the bearing connecting plates are fixedly connected with lower pivotal bearings, the bottoms of the lower pivotal bearings are fixedly connected with the two sides of the mounting base correspondingly, the interior of the suspension framework is rotationally connected with two walking wheels side by side, the two sides of the inner wall of the suspension framework are fixedly connected with side limiting wheels, and the bottom of the inner wall of the suspension framework is rotationally connected with lower limiting wheels. The two-degree-of-freedom swing mechanism has the advantages that on one hand, when a robot climbs a slope, the two-degree-of-freedom swing mechanism can optimize gravity center distribution through vertical adjustment, stress on front and rear wheels is more uniform, the stability of climbing is improved, and compared with a traditional device, the operation quality and the use efficiency are greatly improved;

The utility model belongs to the technical field of fixing of the inner wall of the end of a petrochemical pipeline, and discloses a rotary internal bracing type fixing device for the petrochemical pipeline, which is characterized in that a movable strip-shaped hole is formed in the middle of the bottom of a telescopic groove; the movable rack is mounted in the movable strip-shaped hole; the convex edge is fixedly arranged on the peripheral edge of the outer side of the upper end face of the supporting cylinder, and the fixed disc is fixedly arranged in the middle of the bottom of the supporting cylinder; the bearing is fixedly mounted in the center hole; the slewing bearing is fixedly installed on the upper end face of the tight supporting cylinder. The four vertical transmission mechanisms are symmetrically arranged in a cross shape; the rotating disc is fixedly arranged on the inner ring of the slewing bearing; the upper end of the rotating shaft penetrates through the center of the fixed disc, the center of the rotating disc and the center of the end cover and extends to the upper part of the rotating disc. The device has the advantages that the inner wall of the end face can be automatically fixed in the machining process of the petrochemical pipeline, the surface space of the end face of the pipeline is not occupied, and the fixing efficiency and convenience of the petrochemical pipeline are improved.

The utility model belongs to the field of steering mechanisms, and particularly relates to a steering mechanism for a rubber-tired crane, which comprises a lower cross beam, a motor speed reducer, a slewing bearing and an axle, a mounting plate is fixedly mounted on the lower cross beam, and the motor speed reducer is mounted at the top of the mounting plate through a fastener I; a slewing bearing is installed at the bottom of the installation plate through a detachable structure, the bottom of the slewing bearing is fixedly connected with an axle through a second fastener, an output shaft of the motor speed reducer extends to the position below the installation plate and is provided with a driving gear through a third fastener, the driving gear is matched with the slewing bearing, a rack is arranged on the outer side of the slewing bearing, and the rack is connected with the motor speed reducer through a second fastener. And the driving gear is meshed with the rack. According to the utility model, the design is reasonable, the motor speed reducer connected to the lower cross beam drives the slewing bearing through the driving gear, so that the tire group is driven to steer by 360 degrees, the steering can be free on a bad road surface, the transfer is convenient, and the structure is compact.

This invention discloses a three-point tractor with full suspension and all-wheel braking system, aiming to provide a system that improves the overall driving comfort of the three-point tractor to meet higher customer demands. It includes: a steering bracket assembly mounted on a slewing bearing of the chassis; a front wheel mounting bracket rotatably mounted on the steering bracket assembly via a pin; a front wheel damping system including a front wheel shock absorber connecting the front wheel mounting bracket and the steering bracket assembly; and a rear wheel damping system including a rubber spring and a damper mounted on the chassis. The chassis is supported on the drive axle housing by the rubber spring, and the drive axle housing has a damper connection part connected to the damper via drive axle fixing bolts.

The utility model discloses a lifting type three-degree-of-freedom flying cinema which comprises a fixing frame, and a screen is arranged on one side of the fixing frame. A lifting cross beam and a driving mechanism for driving the lifting cross beam to lift are arranged on the fixed frame, a pulley assembly capable of sliding on the fixed frame is arranged on the lifting cross beam, a seat frame arm is connected to the lifting cross beam, a cabin frame is connected to the seat frame arm, a cabin is arranged on the cabin frame, a slewing bearing is arranged between the seat frame arm and the lifting cross beam, and a rotating motor is arranged on the lifting cross beam. The output end of the rotating motor is in transmission with the slewing bearing; and the two-degree-of-freedom motion mechanism can drive the cabin to realize pitching motion and rolling motion. The cabin can ascend and descend on the fixing frame, the rotating motor can drive the cabin to rotate, the two-degree-of-freedom movement mechanism can drive the cabin to achieve pitching movement and transverse rolling movement, and therefore three-degree-of-freedom movement of rotation, pitching and transverse rolling is achieved, the structure is simple, and operation and construction cost is low.

The utility model discloses a wind power blade transport vehicle which comprises a vehicle body. The active driving wheel is located in the middle of the vehicle body and connected with the vehicle body through a slewing bearing; the driven wheels are arranged on the periphery of the driving wheel; the wing-shaped lifting bracket is arranged on the vehicle body and is used for supporting the wind power blade tool bracket; the magnetic navigation sensors are arranged on two sides of the active driving wheel; the laser navigation sensors are arranged right ahead, left front and right rear of the vehicle body and on the left-right telescopic device; and the anti-collision sensor is arranged on the peripheral wall of the vehicle body. The wind power blade conveying device can ensure that the wind power blades are conveyed more smoothly, safely and efficiently.

The present invention relates to the field of composite pipe production equipment and discloses a winding machine, comprising: a fixed frame (1); a slewing bearing (2), the slewing bearing comprising an inner ring (21), an outer ring (22) and a rolling element (23), wherein the inner ring (21) is fixed to one side of the fixed frame (1), the outer ring (22) is connected to a driving device and is coaxially rotatably mounted on the outer periphery of the inner ring (21) through the rolling element (23); and a rotating bracket (3), the rotating bracket (3) being mounted with a belt reel (4) and fixedly connected to the outer ring (22) at one end so as to enable the reinforcing belt (5) on the belt reel (4) to be wound onto a core pipe (6) passing through the rotating bracket (3) and extending along the rotation axis of the slewing bearing (2) when the rotating bracket (3) is driven by the driving device to rotate along with the outer ring (22). The winding machine provided by the present invention has high rotational stability, thereby facilitating the improvement of the winding quality of the composite pipe.

A tower crane for performing a lifting a load includes an extendable tower assembly having a central axis and including a plurality of separate tower sections, a climbing assembly including a climbing frame positioned on the tower assembly and a latching assembly to transport the climbing assembly vertically along the tower assembly, and a boom assembly atop the tower assembly and including a crane floor, a boom supported on the crane floor, a lifting member coupled to the boom, and a slew bearing coupled to the crane floor and configured to permit the crane floor to rotate about a rotational axis, wherein the slew bearing includes a first bearing position and a second bearing position spaced from the first bearing position relative to the central axis of the tower assembly.

The application discloses a rotary bearing loading test equipment, which comprises two annular loading frames, a first loading device arranged between the two annular loading frames, a second loading device, a third loading device, a fourth loading device, a driving system and a temperature simulation device mounted on each annular loading frame, two bearings respectively installed in the annular loading frames, the driving system for driving the inner ring of the bearing to rotate relative to the outer ring, and the temperature simulation device for heating the bearing, and further comprises a control system connected with each device, which is used for controlling the operation of each device and measuring the data parameters of the bearing. The same working conditions or different working conditions of two sets of bearings of the same specification can be simultaneously studied, evaluation and analysis can be carried out during the test process, early identification and early diagnosis of the bearing to be tested are realized, and the test period and cost are saved.