88results about How to "Reliable lifting" patented technology

A static V-classifier or cascade classifier having a stairway cascade (13) and oppositely arranged classifying flues (15) with upward extending and adjustable guide vanes (21) at their upper ends for altering the cut point of the classifier by controlling the classifying gas velocity in the several classifying ducts lying between the classifying flues (15).

Provided is a double-supporting one-hanging object supporting rotary table for RCS measurement. The object supporting rotary table is composed of a central tower, a precise numerical control rotary table, a rotating table, a support unit, a counterweight body and a drawing unit. The central tower is mounted in an installing ground pit of the object supporting rotary table, the precise numerical control rotary table is mounted on the central tower, the rotating table is mounted on a rectangular workbench of the precise numerical control rotary table, the numerical control rotary table drives the rotating table to rotate for 360 degrees, the support unit and the counterweight body are mounted under the rotating table symmetrically, and can rotate together with the rotating table, and the drawing unit is mounted on a drawing unit installation platform. Original supporting and hanging points in an object to be measured are utilized, the original structure of the object to be measured needs not to be changed, the object can be lifted to a measuring position safely, reliably and stably, dismounting is convenient, and the efficiency is high; and a support rod is arranged under the object and supports the object, a drawing rope is hung on the object, and key test parts of the object is almost not shielded in the RCS measuring process.

The invention discloses a movable supporting handing frame for civil engineering. The movable supporting hanging frame comprises a base, a first support column arranged on the base, a second support column arranged on the base and a supporting hanging frame body arranged between the first support column and the second support column. A driving device is arranged on the base, a first rotating shaft and a second rotating shaft are arranged on the first support column and the second support column respectively, a first bearing and a second bearing for supporting and enabling the first rotating shaft and the second rotating shaft to rotate are arranged on the first support column and the second support column respectively, the first rotating shaft and the second rotating shaft stretch into a groove respectively, a rotating wheel is arranged on the first rotating shaft, a rope collecting wheel is arranged on the second rotating shaft, and the output end of the second rotating shaft and the output end of the driving device are connected. The movable supporting handing frame is simple in structure, convenient to use and mount, easy to operate and manufacture, high in stability, convenient and fast to lift, low in cost, firm to support, convenient to move, reliable in quality, wide in application range and long in service life and has safe and reliable functions.

The invention relates to a grass trimmer with a height-adjustable blade. The grass trimmer with the height-adjustable blade comprises a support, a motor with a power output shaft extending downwards and an installment seat arranged at the bottom of the motor, wherein the support is provided with a positioning pin, and the installment seat capable of sliding along the positioning pin up and down is arranged on the support. The grass trimmer with the height-adjustable blade further comprises a first cam, wherein the first cam is rotably fixed on the support, the forwards-protruded outline curve portion of the first cam abuts against the bottom surface of the installment seat, teeth are arranged on the rear portion of the first cam, the power output shaft is provided with a drive gear, and the drive gear is connected with the teeth on the rear portion of the first cam through a clutch. The installment seat can be raised or lowered through controlling of the rotating direction of the cam, and therefore the purpose that the height of the motor and the height of the blade are simultaneously adjusted is achieved. Compared with a single cam, a second cam is arranged to provide more stable and more reliable raising force for an installment plate.

The invention discloses a slip driving-based curved surface adaptive all-round omni-directional wall climbing robot, which comprises a body and two mechanical legs, wherein each mechanical leg comprises a feeding mechanism, a rotating mechanism and at least three adaptive curvature adsorption mechanisms; and the flexibility of an electric push rod and the degrees of freedom of rotation of the rotating mechanisms enable the mechanical legs to realize front and back interference-free continuous reciprocating motion under the driving of a linear sliding table. The slip driving-based curved surface adaptive all-round omni-directional wall climbing robot can passively adapt to curvature changes of various working surfaces, and has motion flexibility and passability to realize omni-directional motion and obstacle crossing on a working surface with a complex variable curvature. Based on a discrete fixed contact form, the wall climbing robot and the working surface have no relative slip, whicheffectively avoids damage of the robot to a paint film on the working surface. By adoption of an electromagnet and permanent magnet combination adsorption form, reliable adsorption and flexible lifting up in a moving process of the robot can be realized. A permanent magnet guarantees the reliable adsorption property of the robot in a power-losing state on the working surface, so that the safety coefficient is substantially increased.

The invention discloses an automatic-control book lifting mechanism for self-service book distributing equipment. The automatic-control book lifting mechanism is characterized in that a supporting plate with a book library is mounted on a support frame via vertical jacking assemblies, feedback control units of the jacking assemblies are connected with a book location sensor of the self-service book distributing equipment by signals, the book library can be compressed from bottom to top according to book distributing actions, books on the top of the book library is in contact with a distributing mechanism in a clinging manner, an adaptive book distributing device starts to distribute the books on the top of the book library, the books on a top layer of the book library are in to-be-distributed states, the jacking assemblies can be braked by signal control units, and the book library can be lifted by the thickness of a book by the jacking assemblies under the control of the signal control units of the jacking assemblies after each book is completely distributed. The automatic-control book lifting mechanism has the advantages that the book library can be lifted by the jacking assemblies with continuous upward actions, lifting of the book library is effectively combined with distributing procedures, accordingly, the books can be automatically lifted and distributed, and the book distributing efficiency and accuracy can be effectively improved.

The invention relates to an arch gantry crane. Arch main beams are connected with support legs through upper cross beams at two ends; a traveling trolley is mounted on the two arch main beams, and is stretched across the arch main beams; an electric block is suspended at the upper middle part of the traveling trolley through a transverse shaft; transmission chain wheels are fixedly mounted on end beams at the two sides of the traveling trolley; the two sets of the transmission chain wheels both use a motor and a speed reducer as driving devices, are respectively horizontal to the two sides, and are connected with transmission shafts in mirror symmetry; chain wheels are fixedly mounted at the ends of both the transmission shafts; and the four chain wheels are engaged and fixed on chains at the inner sides of the arch main beams. The crane adopts an arch double-main beam gantry structure, and adopts a trolley-traveling and chain-wheel-transmission manner to form an arch roof structure with stable structure, smooth operation and proper lifting height; the physical limits of factory building structures are overcome; the construction cost is effectively reduced; and the arch gantry crane is a special crane, and is suitable for factory buildings with special structures and occasions having precise transverse positioning and a certain requirement on the lifting height.

The invention relates to a frame type sling and a combined stacking sling with frame type slings. The combined stacking sling comprises at least two stacked slings. Each sling comprises a main frame, wherein the main frame comprises at least one frame unit, the frame unit comprises a bottom frame and front and back stand frames connected to the front and back sides of the bottom frame, a containing space for containing cargos is defined by the bottom frame and the front and back stand frames, a reinforcing beam is detachably connected between the front stand frame and the back stand frame, the upper portion of the frame unit is provided with a lifting ring, and the position, vertically corresponding to the lifting ring, of the lower portion of the frame unit is provided with a lifting lug hooked and matched with a lifting ring of a corresponding frame unit of the adjacent sling on the lower side. Sling connection is achieved through hooked connection between the lifting lugs and the lifting rings, connection is easy and convenient, rapid stacking and multi-way connection lifting of cargos can be achieved, cargos are fixed and held through the frames, and the lifting process is safer and more reliable compared with a traditional rope and the like.

The invention relates to the field of hoisting machinery, in particular to a low-speed outer rotor permanent magnet drive device with a rotating speed of an outer cylinder of 0.001-30r / min. The device comprises brakes, a winding, a permanent magnet, a central shaft, the outer cylinder, an iron core, a bearing, fixed seats and a frequency converter, wherein the brakes are arranged at both ends in the outer cylinder and fixed to the central shaft; the permanent magnet is installed on the inner wall of the outer cylinder; the outer cylinder is fixed to the central shaft by the bearing; the winding is embedded into the iron core; the iron core is installed on the central shaft to be connected into a whole; the central shaft is fixed in the fixed seats at both ends; and the frequency converteris connected with the winding by an output line. The invention has the two characteristics of simple structure and realization of large-torque output under the low speed condition, and also has the advantages of light weight, high reliability, stable running, microseism, low noise, safety, energy saving and long service life.

The invention discloses a fast hook device for ROV suspension. The hook device comprises an umbilical cable, a bearing steel cable, an unlocking string and a shackle and further comprises a hook device body connected through the umbilical cable. The hook device body is of an internally hollow structure. A hook device matching piece matched with the hook device body and a connecting fixed seat are sequentially connected below the hook device body through the umbilical cable from top to bottom. The umbilical cable sequentially penetrates the center of the hook device body, the center of the hook device matching piece and the center of the connecting fixed seat and then is fixedly connected with an ROV. An unlocking mechanism and locking mechanisms are further arranged on the hook device body. The unlocking mechanism is mounted on one side end face of a hook device shell of the hook device body through a sliding pin seat. The locking mechanisms are symmetrically mounted on the two sides of the hook device shell of the hook device body through screws. The unlocking string is connected to a sliding pin shaft of the unlocking mechanism. The fast hook device is simple in structure and convenient to operate, water suspension can be fast and safely achieved on the ROV, and the safety of personnel and equipment is greatly guaranteed.

The invention relates to a jack up electromagnet particularly for hoisting the steel tubes. The U shape magnetic comprises one or more actuating coil and corresponding iron core, each actuating coil and the corresponding iron core forming into a small U shape electromagnet, with the iron core being the magnetic yoke with both ends fixed to two supporting plates, whose bottom fixed with several flexible magnets, whose top end being fixed, bottom dripping loosely, flexible magnet pole sticking out the said support face, with length equal or bigger than hoisting max. steel tube radius, each small U shape electromagnet co-magnetic poles linked through connection plates. It can hoist the steel tube safely and reliably, with simple structure, low energy consumption and light in weight.

A lift system defines a vertical hoist axis and includes a holding unit for lifting and lowering an object in a direction along the vertical hoist axis. An overload coupling mutually connects the drive shaft of a motor and the input shaft of a gear assembly. The overload coupling includes a latch mechanism having a motor latch part and a gear assembly latch part. The latch mechanism defines a latch characteristic providing a first transmittable torque in a lowering rotational direction and a second transmittable torque in a lifting rotational direction determined so as to cause the first transmittable torque to be less than the second transmittable torque. The latch mechanism includes a rotational positioning device configured to permit a latching of the motor latch part into the gear assembly latch part in only one possible relative rotational angle position within 360° referred to the lifting rotational direction.

The invention relates to a needle guiding sheet, which is a needle guiding sheet (11) for knitting needle (10), wherein the needle guiding sheet (11) can make a transmission pin (16) of the knitting needle (10) and sinking into a needle bed be lifted to the needle bed, and a needle bottom (115) of the knitting needle (10) can be constructed, the needle bottom can be used to stop the transmission pin (16) of the knitting needle (10) from sinking into the needle bed.

The invention relates to a fruit cluster lifting device for a corn harvester, which lifts and conveys fruit clusters and consists of a corn fruit cluster lifting groove and a lifter which lifts and conveys the fruit clusters and is arranged in the lifting groove. The inlet of the lifting groove is arranged below a fruit cluster outlet of the corn harvester while the outlet of the lifting groove is arranged above a fruit cluster collecting box. The fruit cluster lifting device is characterized in that: a groove body at the bottom of the fruit cluster lifting groove and a machine frame of the corn harvester are connected by a hinged shaft; and an oil cylinder pushing the fruit cluster lifting groove to rotate and lift around the hinged shaft is also arranged between the fruit cluster lifting groove and the machine frame of the corn harvester. When the fruit cluster collecting box overturns to unload the fruit clusters, the fruit cluster lifting groove is pushed by the oil cylinder to rotate and lift around the hinged shaft and does not hinder the fruit cluster collecting box to overturn to unload the fruit clusters. The fruit cluster lifting device of the invention is simple in structure, reasonable in design, convenient in assembly and operation, reliable in lifting and conveying, convenient to unload the fruit clusters and wide in applicability.

The aim of the invention is to ensure a reliable lift of both brake pads of a floating-caliper brake (1) after releasing the brake. This is achieved in that a lifting part (20) is hinged to the brakecaliper (2) at a hinge point (21), and the lifting part (20) is supported on the support structure (7) at a contact point (23) at least partly upon releasing the floating-caliper brake (1), wherein alift drive (22) is provided which rotates the lifting part (20) about the hinge point (21) such that a support for the lifting part (20) is produced on the contact point (23), whereby the hinge point(21) and the brake caliper (2) are moved.

A device and method are provided for forging sleeve-shaped parts such as pistons. The device includes a form with: an upper form mandrel (C); an outer form ring (A); a lower form mandrel (B); an ejector device with an upper ejector (G) for ejection through the upper form mandrel (C); a lower ejector (H) for ejection through the lower form mandrel (B). Optional support devices for the form include a lower reinforcement ring (D) for the lower region of the outer form ring (A), a form mandrel housing (F) for the upper region of the outer form ring (A), and a clamping base (E) to support the lower form mandrel (B), by means of which the lower ejector (H) may be operated. The device and method advantageously facilitates the manufacture of pistons having a long skirt length and a minimal wall thickness.

The invention provides an automatic pull-up device for an oil well pipeline. The automatic pull-up device comprises a lifting device, a first clamping mechanism and a second clamping mechanism, and the lifting device is fixedly installed on a base; the first clamping mechanism is fixedly installed at the lower end of the lifting device, and the second clamping mechanism is fixedly installed on thebase, located at the lower end of the first clamping mechanism, and aligned to the axis of the first clamping mechanism; and an oil pipeline is pulled out through the lifting device, the first clamping mechanism and the second clamping mechanism automatically. According to the automatic pull-up device, rotation and upward lifting action can be achieved through the lifting device, and pull-out ofthe oil well pipeline from the ground is benefited; and the clamping mechanisms of the automatic pull-up device are provided with pulleys so that friction with the surface of the oil well pipeline isreduced, and friction with the oil well pipeline can be increased through arrangement of a rubber plate.

Disclosed is a stabilizing structure of a floater salvaging device. A long hoist arm transversely extending outside of a ship body is arranged on one side of a salvage ship, a support plate is fixed at the extended end of the hoist arm, a clamp support is suspended on the front side and the rear side of the support plate in hinge connection via two oblique hinge rods, an oblique hydraulic oil cylinder is hinged on the left side and / or the right side of the clamp support, the upper end of the hydraulic oil cylinder is hinged to the support plate, and the salvage ship is provided with an angle sensor which controls stretching of a piston rod in the hydraulic cylinder via a control circuit. Since floaters are salvaged on one salvage ship side, the stabilizing structure of the floater salvaging device is applicable to salvage work in high sea conditions. Swaying of a grab is controlled by the oil cylinder, a swaying angle between the clamp support and the salvage ship is tracked in real time, so that swaying of the floater salvaging device can be prevented dynamically.

The invention discloses an intelligent assisting platform for dismounting and mounting of a GIS (Gas Insulated Substation). The intelligent assisting platform comprises a base, a hoisting mechanism, a sliding mechanism, an oil tank, a forward pushing mechanism and a front gear mechanism, wherein the sliding assembly comprises a guide rail which is mounted on the base, and two sliding tables which are movably mounted on the guide rail; a pitch-variable oil cylinder is arranged between the sliding tables; the hoisting mechanism comprises uplifting oil cylinders, hoisting arms, hoisting hooks, coiling barrels and gear motors, wherein the uplifting oil cylinders, the hoisting arms, the hoisting hooks, the coiling barrels and the gear motors are correspondingly arranged on the sliding tables; the forward pushing mechanism comprises lead screw assemblies, forward pushing oil cylinders and forward pushing clamping jaws, wherein the lead screw assemblies, the forward pushing oil cylinders and the forward pushing clamping jaws are correspondingly vertically arranged on the two sliding tables; the front gear mechanism comprises front gear oil cylinders and front gear clamping jaws; the front gear oil cylinders and the front gear clamping jaws are horizontally arranged on the uplifting oil cylinders. The intelligent assisting platform can effectively avoid natural shaking of an air chamber caused by hoisting a GIS air chamber through a soft sling and various resulting potential risks, so that GIS devices can be accurately, quickly and stably hoisted and adjusted, and as a result, the safety and quality can be ensured, and the labor intensity can be also reduced.

The invention discloses a drill rod puller. The drill rod puller comprises a transverse beam frame and a slip, wherein the slip is arranged in the middle of the transverse beam frame; the contact surface between the slip and the transverse beam frame is an inclined plane and an included angle is formed between the contact surface and the vertical direction; a clamping hole through which a drill rod passes is formed in the middle of the slip; the slip is in a longitudinal splitting form; and the drill rod is tightly clamped by the slip and the transverse beam frame which are wedged through the inclined plane. The drill rod puller disclosed by the invention has the advantages of simple structure, low manufacture cost, and convenience for operation; the drill rod can be reliably pulled; the drill rod puller is small in size, can be mounted in site and also can be used in a complicated utilization environment so that the drill rod puller has relatively great flexibility.

The invention relates to a vertical transportation hanger. The vertical transportation hanger mainly comprises a fence frame (2), a supporting steel pipe (4) and a lug connected with the fence frame (2), wherein the top and bottom of the fence frame (2) are open; and the supporting steel pipe (4) is at the opening of the bottom of the fence frame (2) and is movably connected with a hole on the lower part of the lug. The invention has the following advantages: the hanger has simple structure, is easy to prepare and convenient to use; the arrangement of materials is not changed, no time and labor for cleaning up the materials again are consumed; a non-slipping hook is welded on the supporting steel pipe and a bolt can be installed, thus the lifting process becomes safe and reliable; and the collapse and falling of the materials caused by bumping are effectively prevented in the vertical transportation; and the vertical transportation hanger is easy to popularize, etc.

The invention provides a lifting hanger for a pre-branched cable and a method for lifting the pre-branched cable. The pre-branched cable is provided with multiple cable cores, the lifting hanger includes a suspender, a force-bearing block and a plurality of limit pieces, the suspender has a head end and a tail end in the length direction, and the head end of the suspender is provided with a lifting lug; the force-bearing block is arranged on the tail end of the suspender in a sleeving manner, the force-bearing block is provided with a plurality of first containing holes for a plurality of cable cores to pass through, and the first containing holes are arranged at intervals; and the multiple limit pieces abut against the end, facing the head end of the suspender, of the force-bearing block,the multiple limit pieces are arranged in correspondence with the multiple first containing holes in a one-to-one manner, second containing holes for the cable cores to pass through are formed in thelimit pieces, the size of the cross sections of the limit pieces in the radial direction of the first containing holes is larger than the diameter of the first containing holes, and the limit piece is used for being connected to the parts, extending out of the force-bearing block, of the cable cores. Even if the pre-branched cable is heavy, the limit pieces cannot pass through the first containing holes, and the lifting hanger has high lifting reliability and safety.

The invention relates to a multi-arm lifting appliance. The multi-arm lifting appliance comprises a lifting beam, movable lifting arms, Y-shaped load-bearing lifting arms, lifting feet and lifting beam cantilevers, wherein the lifting beam is provided with a circular sliding rail and gears; the number of the lifting beam cantilevers is three or above, and the lifting beam cantilevers are respectively and fixedly connected with the lifting beam in parallel through the gears, and are uniformly arranged in the circumference direction; each lifting beam cantilever is provided with a sliding mechanism and connected with the corresponding movable lifting arm through the sliding mechanism; each movable lifting arm is provided with a telescopic mechanism, is adjustable in length, and can slide inside and outside along the corresponding lifting beam cantilever; the lower end of each movable lifting arm is provided with a connecting hole through which a connecting pin passes, and the lower end of each movable lifting arm is connected with the linear end of the corresponding load-bearing lifting arm through the corresponding connecting pin; and the lifting feet are fixedly arranged at the lower forked parts of the load-bearing lifting arms respectively. The multi-arm lifting appliance can conveniently, safely and reliably lift a coil or a coil group, and the lifting arms can be quickly dismounted to be mounted on other lifting tools for use. The multi-arm lifting appliance is simple in structure, advanced in technology, and convenient to install and has wide popularization and application prospects.

The invention relates to a method for the cutting processing of a panel-type material (8) in a machine (2) which comprises a processing station (5) in a machine base frame (44), in which processing station a processing unit of the processing station (5) with at least one processing head is moved for the purposes of processing the panel-type material (8), and which processing station is assigned aloading and unloading station (10), in which method the panel-type material (8) is laid on a pallet (11) which is movable between the processing station (5) and the loading and unloading station (10),and in which method the pallet (11) is moved into the processing station (5) for a subsequent processing process and is positioned on a pallet carrier (46) of the machine base frame (44) for the subsequent processing of the panel-type material (8), wherein, before the start of the processing process of the panel-type material (8) by means of the processing unit (6), the pallet (11) is lifted fromthe pallet carrier (46) by means of an air spring device (42) and is positioned in a manner decoupled from the pallet carrier (46), and after the processing process of the panel-type material (8), the pallet (11) is coupled to the pallet carrier (46).