18results about How to "Solve lifting problems" patented technology

The utility model discloses a self-adaptive flexible electromagnet which comprises an upper fixing frame, a plurality of connecting holes are fixedly formed in the upper fixing frame, connecting rods are connected in the connecting holes in a sliding mode, limiting pieces are fixedly installed at the upper ends of the connecting rods, and electromagnet blocks are fixedly installed at the lower ends of the connecting rods. According to the utility model, the plurality of electromagnets are arranged in an array, and the electromagnets can form different contact surfaces according to the structures of products, so that the hoisting work is more convenient, meanwhile, the hoisting stability is improved, and the hoisting problem of the products with different shapes is solved.

The invention provides a curve rail forge piece heat treatment method and tool, and belongs to the technical field of heat treatment. In order to solve the problem that a curve rail is prone to deformation in heat treatment, the heat treatment method for the curve rail forge piece comprises the steps that S1, the curve rail is hoisted; s2, leveling a tray; s3, a limiting assembly is welded, and a positioning piece and / or a connecting piece are / is assembled; s4, laying a tray; and S5, cleaning the tray. According to the tool, the curve rail is borne through the tray in the tool, deformation of the curve rail is limited through the limiting assembly and the positioning piece, and deformation of the thin-wall forge piece caused by uneven self weight and stress in the lifting and heating process is effectively reduced; and meanwhile, large deformation of the boundary dimension of the forge piece caused by rapid change of an internal structure in the heating and cooling processes is effectively prevented.

The hoisting device comprises an upper hydraulic frame, a lower hydraulic frame and a hydraulic control device, the upper hydraulic frame and the lower hydraulic frame are detachably connected through a connecting rod, and the upper hydraulic frame and the lower hydraulic frame are each provided with a hydraulic telescopic round rod and a hydraulic telescopic square strip. The hydraulic telescopic round rods and the hydraulic telescopic square strips are controlled by the hydraulic control device to do telescopic motion, the upper hydraulic frame and the lower hydraulic frame can be installed and stably fixed to the large mast, hoisting points for hoisting and positioning are provided for the mast, and the hoisting accuracy and the installation quality of the large mast are improved; in addition, through telescopic adjustment and flexible adjustment of the distance between the upper hydraulic frame and the lower hydraulic frame, the device can adapt to masts of different sizes and shapes, the construction process is simplified, the positioning efficiency and accuracy are improved, the device has wide universality, meanwhile, through control over telescopic adjustment of the round rods and the square strips, interference and collision between the device and the masts are avoided, and the construction efficiency is improved. The safety and reliability of construction are improved, and risks are reduced.

The gas turbine wheel disc hoisting device is characterized in that the gas turbine wheel disc hoisting device comprises a chassis, a pull rod pin, a nut and an expansion head, the chassis is installed above a wheel disc of a gas turbine, the expansion head is located in a connecting hole of the wheel disc, the pull rod pin is inserted into the expansion head, and a pull rod threaded head of the pull rod pin penetrates through the connecting hole of the chassis; the pull rod threaded head is sleeved with a nut in a matched mode. Lifting of the wheel disc is achieved through friction force, safety and reliability are achieved, and the problem of wheel disc lifting without lifting point positions is perfectly solved.

The application discloses a pipe well pipe hoisting construction method and an auxiliary device, and belongs to the technical field of building construction. The method comprises the following steps: installing a load-bearing support on a pipe well side shear wall and assembling a load-bearing steel beam which is laterally cantilevered above a pipe well opening, and suspending a fixed pulley above the pipe well opening; fixing a hand-operated hoist and a guide fixed pulley on an elevator antechamber floor, so that an inclined transition path is formed between the hand-operated hoist, the guide fixed pulley and the fixed pulley; threading a steel wire rope to form a broken line type lifting path which comprises a horizontal traction section, an inclined transition section and a vertical lifting section; and winding and unwinding the steel wire rope by the hand-operated hoist, so that a movable pulley is lowered to the pipe well bottom to hang and connect a pipe and is lifted to an installation position. The application adopts an externally-hung hanging state, does not need any device to enter the inside of the pipe, and avoids damaging the inner wall of the pipe; floor operation is realized by the broken line type lifting path, and climbing to the top floor is not needed; and the combination anchoring node and the anti-pulling fixed node are used to ensure the stability of the lifting path.

The utility model discloses a hoisting device for a mould, which is used for hoisting the mould, the mould comprises a first mould body and a second mould body, the second mould body is connected with a metering pump, the hoisting device for the mould comprises a hoisting support, a first moving part, a second moving part and a third moving part, the first moving part, the second moving part and the third moving part are mounted on the hoisting bracket in a sliding manner; the first moving part is connected with the metering pump, and the first moving part is suitable for being driven to drive the metering pump to be far away from the first mold body and the second mold body after the first mold body and the second mold body are separated from the metering pump; the second moving part is connected with the first mold body, and the third moving part is connected with the second mold body. According to the utility model, the mold can be lifted and separated, the mold cleaning time is saved, the production efficiency is improved, and the labor cost is reduced.

The invention relates to a supporting device for disassembly and maintenance of an SF6 gas insulated switchgear. The supporting device comprises the auxiliary supporting mechanism and an arc extinguish chamber lifting and transferring mechanism, the auxiliary supporting mechanism comprises a first base, a telescopic column and a first supporting piece, one end of the telescopic column is connected with the base, and the other end of the telescopic column is connected with the first supporting piece. The telescopic column can drive the supporting piece to move close to or away from the base, and the first supporting piece is used for supporting a flange of a bus and / or a flange of a current transformer; the arc extinguish chamber lifting transfer mechanism comprises a second base, a lifting assembly and a second supporting piece, the base is provided with a walking piece used for driving the arc extinguish chamber lifting transfer mechanism to move, and the lifting assembly is connected with the second base and the second supporting piece and used for driving the second supporting piece to move close to or away from the base. And the second supporting piece is used for supporting the arc extinguish chamber. The supporting device gives consideration to adaptability, portability and safety.

A method for adjusting the counterweight of a large crawler crane in a coke oven renovation project is characterized by the following steps: a) Selecting a crawler crane based on the distance between the guide rail and the coke oven, lifting capacity, lifting radius, lifting height, dimensions of a single main truss component, and the center of gravity of the component; b) Assembling the main steel truss; c) Conducting a pre-stress test in the crawler crane's travel area; d) Designing and fabricating several temporary supports; e) Preparing for dual-crane lifting with the crawler crane; f) Lifting the main steel truss to a position where the crawler crane, in non-overlift mode, meets the rated lifting capacity requirement; g) Removing the overlift counterweight of the crawler crane at the end platform using an auxiliary crane; h) The main truss is first positioned by passing around the crawler crane from the outside of the guide rail to the temporary support in front of the coke oven; i) The crawler crane at the end platform travels a certain distance unloaded towards the intermediate platform; j) The two crawler cranes, using the same lifting radius, lift the main truss into position synchronously. This invention has the advantages of assembling the main truss without affecting coke oven production and meeting the site and time requirements for coke oven maintenance.

The utility model relates to the technical field of paint production, and discloses a paint transportation lifting platform for paint production, which comprises a table top, the top of the table top is fixedly connected with a protection box, the top of the protection box is slidably connected with a sliding plate, the top of the sliding plate is rotatably connected with an electric push rod, and the output end of the electric push rod is rotatably connected with a placing box. The bottom of the placing box is arranged at the top of the sliding plate, an inclined plate is fixedly connected to the outer wall of the placing box, a connecting piece is fixedly connected to the outer wall of the placing box, the outer wall of the connecting piece is slidably connected to the interior of the protection box, and a gear is rotatably connected to the interior of the protection box. According to the utility model, through the structures such as the inner toothed belt and the gears, the manpower and the cost in the coating production process are reduced, the dependence of carrying operation on personnel is reduced, the problem that the coating on the top of the platform needs to be carried and unloaded by an additional device is solved, and the economy and the convenience of the device are improved.

The invention relates to the field of ship gear transmission device repairing, in particular to a torsion shaft deformation preventing connecting structure used during shaft penetrating structure gear set hoisting, and aims to achieve the purpose that under the condition that a torsion shaft is not disassembled, a large gear and a small gear are hoisted, and then the whole gear set is hoisted. In order to solve the problem that a torsion shaft is stressed to be bent and deformed due to a gap between a large gear and a small gear, a connecting structure comprises two semi-rings, and each semi-ring comprises an outer semi-ring and an inner semi-ring; the two semi-rings are symmetrically arranged, each end of one semi-ring is connected with the other semi-ring through at least one bolt, the outer semi-rings of the two semi-rings are spliced to form an outer ring, the inner wall of the outer ring is arranged on the II-stage pinion and the I-stage gearwheel in a sleeving mode, the inner semi-rings of the two semi-rings are spliced to form an inner ring, one side wall of the inner ring is in clearance fit with the II-stage pinion, and the other side wall of the inner ring is in clearance fit with the I-stage gearwheel. The other side wall of the inner ring is in clearance fit with the I-level large gear, the I-level large gear and the II-level small gear are combined into a whole by connecting the half rings of the split upper half structure and the split lower half structure, and the actual problem of gear lifting is effectively solved.

The utility model discloses a surveying and mapping device for interior design, which relates to the technical field of surveying and mapping for interior design and comprises a mounting circular block, a supporting lifting mechanism is arranged on the surface of the mounting circular block, a rotating unit is arranged on the top surface of the mounting circular block, and a clamping unit is arranged on the top surface of the mounting circular block. The supporting and lifting mechanism comprises a mounting groove, the mounting groove is formed in the surface of a mounting round block, a supporting unit is fixedly connected to the bottom face of the mounting round block, a connecting block is movably connected to the inner side of the mounting groove, a height adjusting rod is fixedly connected to the bottom face of the connecting block, and an adjusting bolt is arranged on the surface of the height adjusting rod. And a quick collecting unit is arranged on the bottom surface of the height adjusting rod. Through the connection relation between the mounting grooves and the connecting blocks, the problem that the device is inconvenient to disassemble and assemble is solved, the effect of being convenient to carry is achieved, and through the connection relation between the fixing grooves and the limiting plates, the effects that the supporting rods can be folded, and storage is convenient are achieved.

The invention discloses a novel vertical lathe cross beam grading positioning device which comprises a lead screw, a positioning plate, an inductive switch, an inductive block, a screw b, an L-shaped positioning key, a bearing plate and an oil cylinder, the lead screw is installed in a cross beam, and the positioning plate is fixed at the position of the lead screw and below the cross beam through a screw a; the lead screw and a nut on the lead screw penetrate through the positioning plate, and the outer circle of the nut and a hole of the positioning plate are matched and installed in a floating mode. An inductive switch is arranged on one side of the positioning plate; an inductive block is arranged on one side below the nut; the positioning plate is in threaded connection with a screw b; a vertically-arranged bearing plate is fixed to the portion, on one side of the lead screw, of the stand column and located below the cross beam. An oil cylinder in the horizontal direction is fixedly installed on the side, away from the lead screw, of the bearing plate and below the cross beam, and a piston in the oil cylinder faces the bearing plate; an L-shaped positioning key with a downward right angle is arranged on the side, away from the bearing plate, of the lead screw and below the positioning plate. Through nut floating of the vertical lathe cross beam lifting lead screw, accurate horizontal positioning of the vertical lathe cross beam is achieved.

The lifting and overturning auxiliary tool for the diesel engine cylinder cover comprises a support connected with lifting equipment during lifting, rotating supporting devices rotationally connected with the corresponding sides of the cylinder cover are coaxially arranged at the lower ends of stand columns on the two sides of the support, the cylinder cover is overturned under rotating supporting of the rotating supporting devices, and a positioning supporting device is arranged on one stand column of the support. And the positioning and supporting device is adaptively connected with the cylinder cover which is overturned in place so as to position the cylinder cover. The lower ends of the stand columns on the two sides of the support are coaxially provided with the rotary supporting devices connected with the corresponding sides of the cylinder cover in an inserted mode, rotary supporting conditions are provided for overturning of the cylinder cover, the cylinder cover overturned in place is limited through the positioning supporting device arranged on one stand column of the support, and a safe and reliable limiting structure is provided for lifting of the cylinder cover. The problem that the cylinder cover is difficult to hoist and overturn is solved, the cylinder cover is protected from being collided and harming the safety of workers, the working efficiency is improved, the operation space is saved, the application range is wide, and the cylinder cover overturning device can be popularized and used for other machine types.

The utility model discloses a well drilling connector conveying device and an adjustable well drilling connector balance hoisting device, and relates to the technical field of petroleum drilling engineering, the adjustable well drilling connector balance hoisting device comprises a hoisting main body, the hoisting main body comprises a first arm, a second arm and a third arm, the included angle between the third arm and the second arm is an obtuse angle, and the hoisting main body comprises a first connecting rod and a second connecting rod; an assembling part is arranged at the end of the first arm and used for detachably installing a well drilling connector, and a connecting pin hole and a balance pin hole are formed in the end of the third arm. The U-shaped lifting lug is used for being matched with a lifting device; the balance adjusting device comprises a tool holder part and a blade part, the first mounting hole is used for mounting the U-shaped lifting lug, the blade part is provided with a second mounting hole aligned with the connecting pin hole and a plurality of adjusting holes distributed at intervals, the second mounting hole is used for mounting a connecting shaft pin, and when the blade part rotates, different adjusting holes are aligned with the balance pin hole so as to mount a balance shaft pin. The device can effectively solve the drilling connector hoisting problem.

The invention discloses a combined winch lifting equipment, including a winch, which is installed on a winch boom, and the winch boom is symmetrically installed on a slot plate, which is clamped on a bracket cross bar, and bracket uprights are welded on the bottom surfaces of both ends of the bracket cross bar, and the lower parts of the bracket uprights are fixed to the base slot plate through slot top screw fixings, and the base slot plate is clamped on a keel through a slot latch, and an annular groove is provided at both ends of a steel wire rope, and a sliding plate is slidably installed in the annular groove, and the sliding plate is symmetrically installed on the end part of a limiting plate, and a rectangular groove is provided in the middle of the limiting plate, and an anti-sway block is slidably installed through the rectangular groove, and the steel wire rope passes through the anti-sway block. The beneficial effects are as follows: the invention can well solve the problem of lifting the assembled construction panel of the curtain wall with large cantilevered eaves and suspended ceiling, the measure is small in size, and has strong on-site adaptability, and the specifications of the winch and the steel wire rope can be selected according to the lifting weight, and the structural design is reasonable and the processing and manufacturing are simple.

The utility model provides a lifting appliance for lifting a special-shaped steel beam of a suspension bridge, which comprises a longitudinal bridge direction lifting lug, a transverse bridge direction lifting lug and a connecting plate, the longitudinal bridge direction lifting lug and the transverse bridge direction lifting lug are fixedly connected through connecting profile steel, the longitudinal bridge direction lifting lug and the transverse bridge direction lifting lug are both in pin joint with steel plate strips, the other ends of the steel plate strips are both in pin joint with the connecting plate, and the connecting plate is in pin joint with the longitudinal bridge direction lifting lug and the transverse bridge direction lifting lug. And the top end of the connecting plate is connected with hoisting equipment. According to the crane for hoisting the special-shaped steel beam, the longitudinal-bridge-direction lifting lugs and the transverse-bridge-direction lifting lugs are connected with the transverse partition plates and the joints of the transverse partition plates and the longitudinal partition plates of the special-shaped steel beam correspondingly, then the connecting plates, the steel plate strips, the hoisting steel cables and hoisting equipment are connected, and hoisting of the special-shaped steel beam is achieved. The lifting appliance is low in lifting construction cost, safe, reliable and convenient to mount and dismount, solves the lifting problem of the special-shaped steel beam, and can provide beneficial reference for other similar engineering construction.

The present invention discloses a split-type cable-mounted crane and a construction method, including: a lifting bracket, which is arranged below the main cable and supports the beam section to be erected; a lifting device, which is arranged on the main cable, the top of any group of lifting devices is fixedly connected to the main cable on the same side, and the bottom is connected to the lifting bracket on the same side, and the lifting device is used to adjust the vertical distance between the lifting bracket and the main cable; a swinging device, which is arranged above the main cable, and any group of swinging devices includes two overhead cranes, which are arranged at intervals and move along the traction cable, and any overhead crane is detachably connected to the lifting device on the same side through a swinging rope. The present invention adopts a split structure, and arranges the lifting device on the main cable in the form of a module. The lifting bracket supports the beam section to be erected from the bottom, realizes the installation of the beam section located at the intersection of the cable and the beam, and cooperates with the swinging device to realize the rapid movement of the lifting device through the alternating swinging of the overhead crane, while ensuring the construction efficiency and meeting the construction requirements of the main beam of the suspension bridge under different conditions.

This solution relates to the field of industrial printers. Specifically, it provides a positioning method for a positioning frame of a large-format printer, based on the following structure: a support structure, a conveyor belt lifting mechanism, and a positioning mechanism. The support structure includes multiple sets of support units; the conveyor belt lifting mechanism includes multiple sets of conveyor belt assemblies, a transmission part, and a drive device; the positioning mechanism includes a lateral positioning unit, a lateral drive device, a longitudinal positioning unit, and a longitudinal drive device. This invention can completely move large-format printing media from an external conveying platform to the calibration position, and also makes the printing media more evenly stressed, which is beneficial to improving the printing effect, increasing the yield of industrial printing, and facilitating the movement of large-size and heavy printing media; thus solving the problem of moving large-format printing media to the calibration position and aligning them.