88results about How to "Reliable lifting" patented technology

The invention discloses a car body lifting device for car repairing. The car body lifting device comprises a base. A fixed seat is arranged on one side of the base. A slide seat is slidably arranged on one side of the base. A lifting oil cylinder and a fixing lock support are arranged on each of the fixed seat and the slide seat. Each lifting oil cylinder is connected with a lifting flat plate, and a descending limit rack and an ascending limit rack are arranged on one side of the lifting flat plate. A fixing lock is arranged at the upper end of each fixing lock support and matched with the corresponding descending limit rack through a lock pin. The fixed seat is connected with the slide seat through a push-pull oil cylinder. A wire connector is arranged on side of the base. A group of foundation bolts are mounted on the base in a penetrating manner. The car body lifting device has the advantages that lifting can be achieved, the distance between the lifting flat plates can be adjusted, the car body lifting device is applicable to the repairing and maintenance of cars of different types, and the car body lifting device is reliable in lifting, high in safety and capable of providing great convenience for car repairing.

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 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 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.

A lifting hook is arranged to grab an object to be lifted by a cylindrical lifting surface formed thereto, the lifting hook having a hook shank, a hook part joining the hook shank and a locking device arranged to lock the lifting hook to the object to be lifted. To allow the lifting hook to be reliably attached to the piece to be lifted, a mechanical control device is mounted above the hook part to co-operate with the upper surface of the lifting surface for guiding the hook part to a lifting position onto the lower surface of the lifting surface.

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.

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.

The invention provides a quick tire changing method. The quick tire changing method comprises the following steps: providing a tire changing mounting device and a tire changing auxiliary device, taking down fastening nuts by using the tire changing mounting device, removing an old tire by using the tire changing auxiliary device, adjusting the position of a new tire to be matched with a hub by using the tire changing auxiliary device, and tightening the fastening nuts by using the tire changing mounting device. During combined utilization of the tire changing mounting device and the tire changing auxiliary device, the whole process of whole tire changing is completed and the labor intensity of a worker is reduced very well; the quick tire changing method has very good practicality.

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 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).