15results about How to "Reduce hoisting costs" patented technology

The invention provides an automatic hole finding prefabricated lifting component and a using method thereof.The automatic hole finding prefabricated lifting component comprises a lifting appliance, the lifting appliance comprises a sleeve, a telescopic supporting column is arranged on the sleeve, horse legs are arranged at the bottom of the supporting column, a second-stage rotating device is arranged between the supporting column and the horse legs, a first-stage rotating device is arranged at the top of the supporting column, and rotating horseshoes are arranged on the horse legs; a first lifting baffle and a second lifting baffle are arranged on the two sides of the horse legs respectively. The whole structure can automatically find holes, the accident risk is reduced, the operation process is simplified through the automatic hole finding function, manual intervention is reduced, and operation convenience is improved. The process of repeatedly adjusting the position of the lifting machine is omitted, the lifting time is obviously shortened, and the operation efficiency is improved. According to the overall structure, the process of horseshoe vertical state-entering state-horizontal state-square block hoisting-vertical state-hoisting tool pulling-out is achieved, the hoisting tool can be recovered to the initial state after hoisting is completed, then the hoisting tool is recycled, the hoisting efficiency is improved, and the hoisting cost is reduced.

The invention relates to a dismantling method for a large-span steel strand stay cable, and belongs to the technical field of bridge maintenance. The dismantling method for the large-span steel strand stay cable comprises the steps that a steel strand is tensioned through a first traction mechanism, so that the steel strand at a fixed end anchorage device is subjected to force unloading, the steel strand subjected to force unloading is cut, and the large-span steel strand stay cable is obtained; the second traction mechanism is used for tensioning the hoisted steel strand so as to unload the steel strand at the tensioning end anchorage device, the unloaded steel strand is cut, the steel strand connected with the second traction mechanism is separated from the tensioning end anchorage device, the remaining steel strand is detached, and all the detached steel strands are carried; by means of the first traction mechanism and the second traction mechanism, the situation that a complex large hanging bracket needs to be installed on the tower top, consequently, installation is inconvenient and complex, and the working efficiency is reduced is avoided, the whole steel strand is broken up into parts by cutting the steel strands at the anchorage device at the fixed end one by one and cutting the steel strands at the anchorage device at the tensioning end in a grouping mode, and the construction cost is reduced. And the hoisting risk and the hoisting cost are reduced.

The invention discloses an opposite-pull assembly for a UHPC bent cap formwork, the UHPC bent cap formwork and a combined bent cap. The opposite-pull assembly comprises an opposite-pull rod and a pair of opposite-pull rod fixing pieces arranged on the tops of a pair of formwork webs correspondingly. The opposite-pull rod fixing piece comprises a pre-buried fixing plate fixedly arranged on the inner surface of a formwork web and a clamping plate fixedly arranged on the outer surface of the formwork web, and through holes allowing the opposite-pull rods to penetrate through are formed in the areas, exceeding the top of the formwork web, of the pre-buried fixing plate and the clamping plate. And the end parts of the opposite pull rods penetrate through the through holes in the pre-embedded fixing plate and the clamping plate, and are fixed through an inner fastener positioned on the inner surface of the pre-embedded fixing plate and an outer fastener positioned on the outer surface of the clamping plate. The opposite-pull rod is arranged above the top of the formwork web, the opposite-pull rod can be dismantled and reused, and the economic performance is good. And meanwhile, holes are not required to be formed in the formwork webs for mounting the opposite-pull rods, so that the structural integrity of the formwork webs is better, and the appearance is more attractive.

The invention belongs to the technical field of ships, and discloses a ship crane cylinder hoisting assembly method and a hoisting tool. The ship crane barrel hoisting and assembling method comprises the steps that a first lifting hook set is controlled to be connected to the periphery of a first barrel section in a hooked mode; a second lifting hook group is controlled to be hooked at one end, far away from the first barrel section, of the second barrel section; the upper trolley and the lower trolley are controlled to enable the crane cylinder to be suspended; the lower trolley is controlled to enable the second lifting hook set to move upwards in the vertical direction, and the upper trolley is controlled to enable the first lifting hook set to move downwards in the vertical direction till the first lifting hook set is separated from the first barrel section; and the lower trolley is controlled to butt the first barrel section to the rotating side of the ship body. According to the ship crane cylinder hoisting and assembling method, the crane cylinder is hoisted to the rotating side of the ship body, the hoisting efficiency can be effectively improved, the number of hoisting rings arranged on the periphery of the crane cylinder can be effectively reduced, and the hoisting cost can be effectively reduced.

The utility model discloses a high-altitude disposable hoisting and fixing structure for an ultra-deep acrylic deep diving pool, which relates to the technical field of hoisting of acrylic cylinder structures, and adopts the technical scheme that the high-altitude disposable hoisting and fixing structure for the ultra-deep acrylic deep diving pool comprises an acrylic cylinder forming the deep diving pool and a support frame arranged at the bottom of the acrylic cylinder, a clamping structure is arranged between every two vertically adjacent acrylic glass cylinders. The high-altitude one-time hoisting and fixing structure for the ultra-deep acrylic deep diving pool has the advantages of being simple in structure, convenient to construct, high in efficiency, good in quality and the like, and can be widely applied to construction of the ultra-deep acrylic deep diving pool.

The present invention relates to the technical field of engineering machinery, and provides a follow-up flipping device and a flipping hoisting method for hoisting equipment, wherein the follow-up flipping device comprises: a walking chassis and a front flipping support seat, a rear flipping support seat, and a flipping platform respectively arranged on the walking chassis; the number of the front flipping support seats is two, and the two front flipping support seats are correspondingly arranged at the front end of the walking chassis; the number of the rear flipping support seats is two, and the two rear flipping support seats are correspondingly arranged at the rear end of the walking chassis; the flipping platform comprises: a lifting pressure rod and two platform main beams connected together; a platform support seat is arranged at one end of the platform main beam, and a support shaft is arranged at the other end; a lifting pressure rod is arranged at one end of the platform main beam close to the platform support seat; the support shaft is arranged corresponding to the front flipping support seat; the platform support seat is arranged corresponding to the rear flipping support seat. The present invention has the advantages of simple structure, high efficiency, good stability, and greater safety.

The application provides a wind fan blade hoisting device and a hoisting method, which are resistant to wind and waves. The hoisting device comprises a hoisting beam, a supporting leg mechanism, a fastening mechanism and a lifting belt. Hoisting ears at the top of the hoisting beam are connected with a crane of a mounting platform through a steel wire rope. The hoisting beam comprises a longitudinal beam and transverse beams symmetrically arranged on both sides of the longitudinal beam. An adjusting mechanism is arranged below the transverse beams. Each of the transverse beams is provided with the lifting belt, the supporting leg mechanism and the fastening mechanism which are symmetrically arranged. The supporting leg mechanism, the fastening mechanism and the lifting belt are movably connected with the hoisting beam through the adjusting mechanism. The fastening mechanism is matched with the lifting belt to fasten the blade, so that the blade is connected with the hoisting device to form an integral whole. The application has good universality and can be applied to hoisting blades with different sizes. The application is resistant to wind and waves, can prevent damage to the blade during hoisting, and reduces the requirements for the hoisting environment and the hoisting cost.

The application discloses a bridge hoisting device for narrow space and belongs to the technical field of hoisting equipment. The bridge hoisting device comprises a vehicle frame, a telescopic hoisting arm assembly arranged above the vehicle frame, a first traction assembly and a second traction assembly. The first traction assembly comprises a first winch and a first steel wire rope, and the second traction assembly comprises a second winch and a second steel wire rope. The first winch and the second winch are fixed on the vehicle frame. The first steel wire rope and the second steel wire rope are connected with the telescopic hoisting arm assembly through a pulley assembly and are used for vertical hoisting. The ends of the first steel wire rope and the second steel wire rope are connected with a placing plate. An adjusting pulley assembly is arranged on the placing plate. The second steel wire rope realizes horizontal traction through the adjusting pulley assembly. The bridge hoisting device can adapt to the hoisting requirements of narrow space, horizontally pulls out the bailey beam from the bridge bottom for hoisting, and greatly improves the hoisting efficiency.

The invention provides a manufacturing die for a top plate of a steel-concrete composite beam shaped like a Pi. The manufacturing die is used for manufacturing the top plate of the steel-concrete composite beam shaped like the Pi. The process of manufacturing the bridge top plate comprises the steps that the left steel beam and the right steel beam are well installed, the manufacturing mold of the steel-concrete composite beam top plate shaped like the Chinese character'pi 'is well assembled, and therefore a bridge deck plate cavity is formed, a steel bar framework is built in the bridge deck plate cavity, concrete is poured into the bridge deck plate cavity, and the steel bars are poured after the concrete is solidified, so that the bridge deck plate is formed. And the manufacturing method of the top plate of the Pi-shaped steel-concrete composite beam is removed, the bridge deck is left, and the left steel beam and the right steel beam form the Pi-shaped steel-concrete composite beam. The mold has the advantage that the concrete does not easily smudge the lower surface of the top plate of the steel beam, and the problem that the construction cost is increased due to the fact that the concrete pollutes the lower surface of the top plate when an existing mold is used for pouring the inverted-U-shaped steel-concrete composite beam top plate is solved.

This invention relates to the field of building construction technology and discloses a precast column and an assembled concrete structure. The precast column includes a column body and a steel reinforcement cage. The column body is typically a concrete structure. The steel reinforcement cage includes multiple steel bar bundles, which are disposed within a first column cavity, with each bundle corresponding to one of the first column cavities. Each bundle includes multiple column steel bars, the first end of which extends out of the first column cavity. The column steel bars within the first column cavity enclose and form an lap space. The column steel bars extending out of the first column cavity are bent towards the central axis of the lap space to form a bent section. By setting up a first column cavity, the amount of concrete used is reduced, lowering the self-weight of the precast column and the costs of transportation and hoisting. By setting up the extended bent section, automatic centering and guidance are provided when connecting two layers of precast columns, increasing the tolerance for connection, reducing the requirements for on-site construction precision, and improving construction efficiency.

The present application provides a hoisting method of a multi-impeller wind turbine generator set, the hoisting method comprising: hoisting and installing a tower by hoisting equipment; hoisting and installing a first connecting structure by the hoisting equipment, so as to install the first connecting structure on the tower; making the first connecting structure yaw a first predetermined angle in a first direction away from the hoisting equipment through a yaw system; hoisting and installing a second connecting structure by the hoisting equipment, so as to install the second connecting structure on the tower. The hoisting equipment can be located at a first position within a rotation radius of the first connecting structure and the second connecting structure, and the first predetermined angle ranges from 90° to 120°, the rotation radius being a maximum outer diameter formed when the first connecting structure and the second connecting structure rotate around the center axis. According to the hoisting method of the present application, the movement of the hoisting equipment is reduced, the hoisting time is shortened, the hoisting efficiency is improved, and the hoisting cost is reduced.

The invention relates to the technical field of constructional engineering, and discloses a horizontal hoisting method of a reinforced concrete beam section, which comprises the reinforced concrete beam section, a lifting handle and a counterweight bag, during hoisting, a lifting handle ferrule is fixed on a reinforcing steel bar inserted into the beam section, and the lifting handle is hooked by a crane hook and hoisted; whether the two ends or the two sides of the beam section are horizontal or not is observed through the transparent water pipe, and if inclination exists, the counterweight bag is placed, and leveling is achieved by adjusting the position and the weight of the counterweight bag. The lifting device provided by the invention is simple in design, can be repeatedly used, can be suitable for lifting reinforced concrete beam sections with different lengths through different bending degrees of the lifting handle, and is flexible to use; the hoisting process is simplified, the problem of slight inclination caused by improper operation is solved through the fine adjustment of the counterweight device, smooth horizontal hoisting of the beam section is ensured, and the hoisting safety and accuracy are improved; used materials can be obtained locally, manufacturing is convenient, and the hoisting cost is low.

The invention relates to the technical field of offshore oilfield drilling platform service, and discloses an acidification sand prevention workboat for an offshore drilling platform. The workboat comprises a 700-type oil field working pump and a 1000-type oil field working pump which are installed in a left cabin and a right cabin of the workboat respectively, a left small stirring cabin and a right small stirring cabin are arranged in the middles of the cabins, an engineering fresh water cabin and a deck are arranged behind the cabins, and the working pumps are fixed in pump cabins in a welding and rivet riveting mode and driven by corresponding diesel engines. The inlets and outlets of the pumps are connected with a manifold system, the manifold system can achieve mutual communication of the left and right engineering fresh water tanks and the left and right small stirring tanks, the interiors of the manifold system are communicated with the inlets and outlets of the pumps respectively, and a plurality of valves are arranged on a manifold and can control the flowing direction of liquid. According to the method, operation equipment and a ship are integrally designed and assembled, the hoisting cost is greatly saved, and the construction scale of acidification sand prevention can be increased through an efficient pump and an integrated manifold system.

The utility model relates to the technical field of glass lifting, and provides an ultra-light lifting appliance for ultra-large curtain wall glass, which comprises a lifting frame for lifting glass, the lifting frame comprises a main frame, a suction cup and a prestressed rope, the main frame is cross-shaped and comprises a cross rod and a vertical rod which are connected, two connecting rods are vertically arranged on the cross rod and are symmetrical about the vertical rod, and the suction cup is arranged on the main frame. Suckers are arranged on one sides of the ends of the transverse rods, the vertical rods and the connecting rods, suckers are also arranged at the intersections of the transverse rods and the vertical rods, and the ends of the transverse rods, the vertical rods and the connecting rods are connected through prestressed ropes. According to the utility model, the bearing capacity of the lifting appliance is greatly improved, and the lifting appliance is not easy to deform and suitable for lifting large glass; the device is light and practical, the effective hoisting load is improved, and the hoisting cost is reduced.