57results about "Load-engaging elements" patented technology

A vacuum suction apparatus with adjustment lever is disclosed. The structure of the vacuum suction apparatus includes a suction cup and a wheel base, which has a receptacle being attached by the suction cup from underneath, a semi-circular cogwheel being fixed on top of the receptacle, and an adjustment lever pivotally connected through an opening. The adjustment lever has a pinion on the bottom end, where the gearing of the pinion is to fit against corresponding gearing on the vertically erected rack at the center when the lever is in locked position. The upper portion of the lever also has a suction lock/release that allows the user to manually adjust the angle of the lever by pegging onto scooped cogwheel with a slider, so the suction strength can be adjusted desirably for continuously holding onto the same spot in extended use.

A crane operation evaluation device for evaluating an operation status of an operator of a crane performing a crane work by using drive power of an engine. The crane operation evaluation device includes: a display device provided at a position of the crane that is visible to the operator and serving to display predetermined data; a detector for detecting a state of a given part of the crane; and a data control unit that, after a stopping operation of the engine, derives a first fuel consumption index for analyzing a fuel consumption efficiency of the crane work performed between the most recent start of the engine and the stop of the engine by the stopping operation and a first work index for analyzing content of such crane work, on the basis of detection data of the detector, and causes the display device to display the derived first fuel consumption index and first work index.

The invention discloses a hydraulic system of a single-cylinder pin type telescopic arm. The hydraulic system comprises an arm pin cylinder, a cylinder pin cylinder and a control oil path, wherein a system pressure oil path can provide oil for the arm pin cylinder or the cylinder pin cylinder through the control oil path; an oil supply branch of the control oil path comprises an energy accumulator and an unloading valve; the unloading valve is positioned at an upstream position of the energy accumulator, has two working stations and is configured to communicate with the oil supply branch when being positioned at the first working station and communicate with the system pressure oil path and a system oil return path when being positioned at the second working station. When the control oil path provides oil for the arm pin cylinder or the cylinder pin cylinder to unlock the cylinder and keep the cylinder in an unlocked state, the unloading valve is positioned at the second working station to communicate with the system pressure oil path and the system oil return path; the pressure of the control oil path is maintained by the energy accumulator, so that the arm pin or the cylinder pin is kept in the unlocked state; the hydraulic system guarantees that no overflow loss exists when the arm pin or the cylinder pin is kept in the unlocked state. The invention also provides a control method of the single-cylinder pin type telescopic arm. In addition, the invention also discloses a crane with the hydraulic system.

A textile sling (10) of the present invention includes a fabric webbing body (1) and reinforced side or sides (2) engaged with the webbing body. The reinforced side or sides are woven to selvedges of the own webbing body from anti abrasion yarns, thus a high protection is obtained to the selvedges of the sling from wearing down. On a surface and around yarns of the sling forms an antiabrasive layer (3) made from polyurethane dispersion with a catalyst solution of modified aliphatic polyisocyanate. A method of manufacturing the textile sling is also disclosed. The final sling product presents greater cut and abrasion resistance.

The invention discloses a safety monitoring system of a tower crane and the tower crane with the safety monitoring system. The safety monitoring system of the tower crane comprises a GPS device used for positioning the real-time position of a trolley or a lifting hook of the tower crane and further comprises a processing device which is in communication connection with the GPS device. The processing device is used for receiving corresponding parameters detected by the GPS device and generating safety parameters used for safety monitoring of the tower crane. Through the GPS device and the processing device, the various parameters of the tower crane can be detected in real time. The safety monitoring system of the tower crane is convenient to install and debug and high in control precision.

Certain exemplary embodiments provide for an overhead lift storage device comprising a longitudinal track for overhead mount and a pulley system for guiding at least one cable-like element therethrough. Each cable-like element has a connection end configured for connection with an article to be stored in a suspended storage position. An activation system is used to operate the pulley system causing the cable-like element to raise or lower a connected article between a lowered connecting position and a suspended storage position. A weight limiting clutch is used to limit the maximum force which can be used to lift a load thereby decreasing the risk of failure of the pulley system or cable-like element. A safety catch may be incorporated into the overhead lift storage device for taking the load off of the pulley system and/or cable-like element when the article is in the suspended storage position. The safety catch interacts directly with the cable-like element or a component thereof to take the load of the suspended article and does not support the article from below.

The invention discloses a seaborne cylindrical floating body recycling device, relating to the technical field of ocean and shipbuilding. The seaborne cylindrical floating body recycling device comprises a ship crane, wherein a lifting winch and a high-pressure gas storage tank are arranged on a lifting arm of the ship crane; a hose is arranged at a gas outlet of the high-pressure gas storage tank; the lifting winch is connected with a floating body recycling cover through a steel wire rope; one end of the hose is connected to the floating body recycling cover. Compared with the prior art, the seaborne cylindrical floating body recycling device has the advantages that the structural design is reasonable, the operation is easy, and cylindrical floating bodies vertically floating in the sea can be safely and efficiently recycled and cannot be damaged, so that the recycling rate is high.

The invention discloses a method for hoisting and transporting steel plates by adopting an electromagnet in steel plants. An electromagnet for hoisting and transporting the steel plates is provided with an electromagnet buffer device; the device is vertically provided with a buffer body; the lower end of the buffer body is provided with a buffer element capable of sliding vertically; the upper end of the buffer element is provided with a spring for buffering; the buffer body is detachably provided with a buffer head; the buffer head is prepared from three different kinds of materials and are selected for use according to different hoisting and transporting fields; in use, the electromagnet is hoisted up to stably fall on steel plates required to be hoisted and transported, is supported by the buffer device so as to enable a gap of 2-3cm to be formed between the bottom surface of the electromagnet and the steel plates, then is started up again when being stable, and generates suction force so as to enable the bottom surface of the electromagnet to be in contact with the surfaces of the steel plates to achieve connection, so that the electromagnet can hoist and transport normally. The method for hoisting and transporting the steel plates by adopting the electromagnet in steel plants provided by a invention can effectively prevent scratching or collision damage to the surface quality of finished product steel plates by the electromagnet in hoisting and transporting the finished product steel plates at different temperatures, can lower auxiliary material consumption of running vehicle magnetic force hoisting and transporting and labor intensity of field workers, and can improve the working efficiency.

A placing device and a method for placing objects onto substrates are suited for obtaining both very small as well as very large placement forces of the object exerted on the substrate. To this end, a gripper, by way of which the object can be picked up, is pretensioned with regard to a holder in a direction of placement. The pretensioning ensues via a first coupling element provided on the holder and via a second coupling element provided on the gripper. An electrical and/or magnetic field is generated between the first and the second coupling element and effects an action of force between the holder and the gripper. This enables a predetermined placement force to be attained when using the gripper to place the object.

The invention provides an engineering machine which can easily switch a radio and an air conditioner. The engineering machine comprises: a driving seat (18) arranged in a cab (4) on a rotation body (2); an operation device (15) arranged on the left-inclined front side of the driving seat (18) and used for operating a working device (3); a monitor (26) arranged on the right-inclined front side of the driving seat (18); a rotary switch (42) capable of observing the display of the monitor (26) and simultaneously operating the monitor and performing detailed settings of various state amounts; armrests (19) arranged on the driving seat (18); a switch box (17) with a plurality of switches and arranged on the outer side of the transversal direction of the operation device (15) and a structure provided with radio switches (38,39) and air conditioner switches (40,41) and arranged in an auxiliary are (17B) of the central part of the switch box (17).

The invention discloses an unmanned aerial vehicle auxiliary system for tower crane construction. The unmanned aerial vehicle auxiliary system comprises an unmanned aerial vehicle, a lifting hook of a tower crane, a flight controller, an unmanned aerial vehicle gyroscope, an unmanned aerial vehicle communication module, a lifting hook gyroscope and a lifting hook communication module. The flight controller is arranged in the unmanned aerial vehicle, the unmanned aerial vehicle gyroscope and the unmanned aerial vehicle communication module are connected with the flight controller, and a camera is further connected onto the unmanned aerial vehicle communication module; the lifting hook gyroscope and the lifting hook communication module are arranged in the lifting hook, and the unmanned aerial vehicle communication module is connected with the lifting hook communication module. The unmanned aerial vehicle can carry out photographing along with the lifting hook, the corresponding gyroscope arranged on the lifting hook can be matched with the corresponding gyroscope in the unmanned aerial vehicle, accordingly, the unmanned aerial vehicle can move along with the lifting hook, and surrounding images of the lifting hook can be transmitted to the external in real time. According to the scheme, the unmanned aerial vehicle auxiliary system has the advantages that surrounding pictures of the lifting hook can be monitored by the unmanned aerial vehicle along with the lifting hook of the tower crane in real time, and accordingly the unmanned aerial vehicle auxiliary system is convenient to operate and high in safety; the unmanned aerial vehicle auxiliary system is provided with an independent operation end and an independent signal input module, and accordingly the unmanned aerial vehicle can be manually controlled.

The embodiment of the invention provides a supporting control method, device and system for engineering machinery and a medium, and belongs to the field of the engineering machinery. The method comprises the steps that a target position, input by a user, of loading operation of the engineering machinery is obtained; according to the target position, the loading posture information under the optimal loading posture is calculated, specifically, the optimal loading posture refers to the posture enabling the gravity center of the whole engineering machinery to be closest to the inner side, and theinner side refers to the side with the small projection distance from the loading gravity center to the rotation center of the engineering machinery; the gravity center of a whole vehicle corresponding to the optimal loading posture is calculated according to the loading posture information; and according to the gravity center of the whole vehicle, the recommended supporting opening degree for supporting legs of the engineering machinery is calculated, specifically, the recommended supporting opening degree enables the distance between the side line formed by the supporting fulcrums of the corresponding supporting legs and the gravity center of the whole vehicle to be smaller than a preset value and located outside the gravity center of the whole vehicle. According to the supporting control method, device and system for the engineering machinery and the medium, the recommended supporting opening degree required by the loading operation can be obtained in advance, so that guidance suggestions are provided for support unfolding.

The invention discloses an automatic control method and device of a crane and the crane. The crane comprises a front arm, a main arm, a pull rod, a grab bucket and a portal frame. The automatic control method comprises the steps that a reference movement track of the grab bucket is obtained; according to the reference movement track, attitude information of the front arm, the main arm and the pull rod is determined; according to the posture information of the front arm, the main arm and the pull rod, the front arm, the main arm and the pull rod are controlled to act, so that the grab bucket is moved to an initial point position; position information of a to-be-transported material is obtained; and according to the position information of the to-be-transported material and the initial point position, the postures of the front arm, the main arm and the pull rod are adjusted, so that the grab bucket is moved to the position of the to-be-transported material. According to the automatic control method and device of the crane and the crane, automatic operation can be carried out according to the recorded movement track, manual operation is reduced, and the operation efficiency is improved.

The invention discloses a remote control system for a tyre gantry crane. The remote control system is characterized by comprising an optical fiber plugging cart, an optical fiber plug, shift lever mechanisms arranged on the optical fiber plugging cart and optical cable carts, wherein the shift lever mechanisms can be connected and positioned with the corresponding optical cable carts; the optical fiber plug comprises an optical fiber plug box component; the optical fiber plug box component comprises passive plug boxes and active plug boxes; the passive plug boxes are connected with a remote control chamber through optical cables; the active plug boxes are in master control connection with the crane; the active plug boxes can be connected or disconnected from the passive plug boxes, so that an optical signal is conducted or broken off; the passive plug boxes are arranged on the corresponding optical cable carts; the active plug boxes are arranged on the optical fiber plugging cart; and the active plug boxes and the shift lever mechanisms can synchronously move on the optical fiber plugging cart.

The invention discloses a cement precast slab loading and unloading device comprising a hoisting mechanism, wherein a clamping mechanism is arranged at the lower part of the hoisting mechanism, the hoisting mechanism comprises a cross beam, and a hanging plate (7) is arranged at the middle part of the cross beam; the clamping mechanism comprises two groups of clamping parts which are matched mutually, each group of the clamping parts comprise positioning sleeves (2), movable sleeves (3) and clamping arms (1), the cross beam is sleeved by the movable sleeves (3), the positioning sleeves (2) sleeve the cross beam and are positioned on left and right sides of each movable sleeve (3), and the clamping arms (1) are fixedly arranged at the lower part of each movable sleeve (3). According to the cement precast slab loading and unloading device disclosed by the invention, cement precast slabs can be loaded on a transport vehicle conveniently and rapidly, high working efficiency of loading and unloading the cement precast slabs can be achieved, the labor intensity of workers can be greatly reduced, the production efficiency can be improved, the production cost can be reduced, and very good economic and social benefits can be achieved.

The invention discloses a wind power generator automatic turning lifter. The wind power generator automatic turning lifter consists of a lifting rod, a hydraulic system, a rope and a turnover power system; the lifting rode mainly consists of a lifting rod body, extension rods, a cable wind hole, a hydraulic oil pipe fixed hanging hook and a lifting rod support leg; the extension rods positioned at two ends of the lifting rod body respectively realize elongation of single surface of the lifting rod through hydraulic rods; the hydraulic system consists of a hydraulic station, hydraulic pipe branch joints, hydraulic pipe quick joints, hydraulic oil pipes and hydraulic rods; the hydraulic rods positioned at two ends of the lifting rod body are respectively connected with the hydraulic pipe quick joints on the hydraulic station through the hydraulic oil pipes; a pair of hydraulic rods at the middle part of the lifting rod body is respectively connected with the hydraulic pipe branch joints on the hydraulic station through hydraulic oil pipes. The wind power generator automatic turning lifter has the following beneficial effects: the wind power generator automatic turning lifter is reasonable in structure and convenient for installation and operation, and greatly improves the generator turning efficiency and precise control of the generator turning angle.

The invention belongs to the technical field of lifting devices, and particularly relates to an automatic mechanical equipment lifting device. The scheme of the automatic mechanical equipment liftingdevice aims at the defects that an existing bearing plate is not provided with any anti-slip mechanism and is large in grounding vibration. According to the scheme, the automatic mechanical equipmentlifting device comprises a crane; a lifting rod is arranged on the top side of the crane; a bearing plate is movably arranged at the top end of the lifting rod through a traction rope; a buffer plateis fixedly arranged on the bottom side of the bearing plate; a mounting cavity is formed in the bearing plate; and a groove is formed in the top side of the bearing plate. Hoisting operation is carried out on mechanical equipment to be hoisted through the hoisting rod and traction rope on the crane. After the mechanical equipment is placed on the bearing plate, two baffles get close to each otherto clamp the mechanical equipment to be hoisted, so that the mechanical equipment is prevented from slipping off the bearing plate in the hoisting and transferring process. When the bearing plate falls off, vibration which is generated when the bearing plate falls onto the ground is substantially counteracted through the buffer plate, the influence of vibration on the mechanical equipment is obviously reduced, and the safety of hoisting and transferring the mechanical equipment is improved.

The invention discloses a lifting appliance suitable for automobile bodies of different sizes. The lifting appliance comprises a mounting plate, a fixed connecting rod is arranged on the side surface of the mounting plate, a connecting base is mounted below the mounting plate through a sliding driving assembly, and the connecting base is connected with a clamping mechanism through a horizontal distance adjusting assembly and a vertical distance adjusting assembly; and the lower end of the clamping mechanism is equipped with a sensor. The clamping mechanism comprises ahook, a rubber sleeve, a hydraulic cylinder, a clamping plate and a non-slip pad. According to the lifting appliance suitable for the automobile bodies of different sizes, the sensors are arranged, and the four corners of the automobile bodies are measured through the multiple sensors, so that the sizes of the automobile bodies can be known conveniently; then data is transmitted to the controller; and the sliding driving assembly, the horizontal distance adjusting assembly and the vertical distance adjusting assembly in the device are controlled by the controller to adjust the corresponding positions, so that the problems caused by traditional manual adjustment are solved, the position adjustment accuracy is improved, and the working efficiency is improved.

The invention relates to an assembly type laminated slab installation construction auxiliary device which comprises rod bodies which are parallel to one another and arranged at intervals, wherein a plurality of lifting lugs are arranged on the rod bodies on the two sides, a plurality of connecting rods are arranged between the rod bodies on the two sides, and each connecting rod is of a telescopic structure; the telescopic structure comprises a fixed rod and a movable rod which is inserted and connected in the fixed rod in a sliding mode, an adjusting device used for adjusting the length of the connecting rod is arranged between the rod bodies on the two sides, a plurality of fixed pulleys are arranged on the faces, away from the lifting lugs, of the rod bodies on the two sides in the length direction of the rod bodies, and lifting wires are wound around the fixed pulleys of the rod bodies on the two sides; and a movable pulley is arranged between every two adjacent fixed pulleys and located on the lifting wire, a lifting hook is arranged on each movable pulley, a connecting device used for fixing one end of the lifting wire is arranged at one end of the rod body, and a take-up and pay-off device used for winding or unwinding the lifting wire is arranged at the other end of the rod body. The assembly type laminated slab installation construction auxiliary device has the advantage of being suitable for laminated slabs of different specifications.

The invention relates to an operating system and method for an electric hydraulic gripping apparatus in container loading and unloading equipment. The operating system comprises an electric hydraulic power system, a loading and unloading action control system and an energy accumulation system; the operating system communicates with an oil tank through an oil return pipeline and an oil outlet pipeline; and an oil pump, a pressure regulating valve and a one-way valve are sequentially arranged on the oil outlet pipeline; a throttling valve and a switching valve are sequentially arranged on an energy accumulation pipeline connecting the one-way valve on the oil outlet pipeline with the energy accumulation system; and the energy accumulation system comprises a plurality of energy accumulators. According to the operating system and method for the electric hydraulic gripping apparatus in the container loading and unloading equipment, the efficiency is improved.

An improved hoist ring for lifting of equipment or heavy loads adapted for engagement thereto. The device features an attachment end which allows for serpentine three point engagement of the hoist ring to a tether such as a looped lift cable or rope. The engagement eliminates the need to thread the tether through an eye or disconnect the two downward leads of the tether from each other or the lift. Shoulders formed from the lower surface of a “T” shaped engagement member also prevent the lifting cable from sliding off the ends.

The invention relates to hoisting equipment used in a special environment and especially relates to a crane for automatically positioning and aligning at the position to search an object in the corresponding position in a nuclear radiation environment. The crane is characterized in that a guide rail of a bridge structure is provided with a small vehicle, two ends of a crane span structure are provided with large vehicle operation mechanisms, the small vehicle comprises a lifting mechanism and small vehicle operation mechanisms, the large vehicle operation mechanisms, the lifting mechanism and the small vehicle operation mechanisms are provided with coding sensors, the coding sensors are connected to a programmable logic controller, the crane span structure and the small vehicle are respectively provided with video surveillance cameras, the video surveillance cameras are connected to a video display terminal by data lines, and the coding sensors comprises 6ES7315-DP PLC and PSM58 absolute value coding sensor. The crane realizes remote unmanned operation and accurate positioning operation of cargo lifting transport. After the crane goes to a preset position, an intelligent suspender can automatically align at a cargo case and then carry out automatic capture and then the crane automatically goes to the preset position.

The invention relates to the technical field of hoisting equipment, and discloses a lifting hook for a hoisting frame. The lifting hook comprises a lifting hook body which is flat, and a disengagement preventing portion which extends and protrudes along the flat surface is arranged at one end of the lifting hook body. The lifting hook is flat, when the lifting hook is used for hoisting a hoisted piece, the flat surface of the lifting hook is parallel to the hoisting direction, the lifting hook can enter a hoisting hole of the hoisted piece more easily, manual intervention is not needed, the lifting hook can be conveniently hung on/separated from the hoisting hole in the hoisted piece, the operation space of an operator does not need to be reserved in the hoisting environment, and hoisting operation of the hoisting frame is facilitated. In addition, the lifting hook is suitable for the hoisting environment where the operator is not allowed (not suitable) to enter. The invention further discloses the hoisting frame.

An active composite variable damping rotational control device includes a variable damping module and a power module. The variable damping module includes a magnetorheological fluid tank and a rotational inertia wheel. The rotational inertia wheel is arranged in the magnetorheological fluid tank fully filled with magneorheological fluid. The power module includes a device tubular cavity, a driver, an encoder and a speed changer. The driver is fixed on the inner wall of the device tubular cavity. The driver, the encoder and the speed changer are coaxial. A driving shaft of the driver passes through the speed changer and extends into the magnetorheological fluid tank to be fixed perpendicularly at the center of the rotational inertia wheel. The control effect of the present invention may not be greatly affected by the change of a structural form and the change of an external load.