1977 results about "Hoist device" patented technology

A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, said composite material comprising non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.

A lifting apparatus for a two-leaf folding flap, whose upper leaf is hinged to a top or partition wall of a cupboard around a horizontal first axle and whose lower leaf is pivotally connected to the upper leaf around a second axle parallel to the first axle, comprises at least one two-armed lever which is pivotally mounted to a side body part around a horizontal pivot axle and whose longer arm is linked to the lower leaf. One end of the compressing spring element is pivotally connected to the body part and the other end is pivotally connected to the lever. To prevent the leaf from coming into contact with the end surfaces of body parts of the cupboard closed by the folding flap, the lever is guided in a longitudinally displaceable manner on its pivot axle and the shorter lever arm is guided in a cam guide fixed to the body via a slide block or a roller.

An load moment indicator, in a crane provided with hoist means of a main side and an auxiliary side, including a calculator in which a reference value if a rated load determined by the stability of a crane or the like is preset, a hoist load of the other side is converted into a load component of its own side, and the converted value is subtracted from a reference value of its own side to thereby obtain a rated load of own side, or in which a tolerant load that can be suspended by the other side is converted into a load component of its own side on the basis of a base of a reference value of the other side, and the converted value is compared with the reference value of its own side to select a lower value. Thereby, it is possible to make the most of the suspending ability of the main side and the auxiliary side and for an operator to grasp clearly a tolerance of the hoist load.

A weighing sensor including a base (1) fixed to a housing, a load sensor (2) connected to the base in a displaceable manner via two arms (3, 4), a lever system (8 . . . 11) having at least one lever and transmitting the load acting on the load sensor to a transducer (12, 13), and a built-in calibration weight (40) which may be lowered onto a support region (30/38) for checking and/or calibrating the sensitivity of the weighing sensor. The support region is guided in a parallel manner by two additional arms (21, 22) and is connected to a lever (9/39) of the lever system (8 . . . 11) via a coupling element (26). Relatively large loads on the weighing sensor may be simulated with relatively small calibration weights, without the need for complicated lifting devices. The two additional arms (21, 22) are connected on the one hand to the support region (30/38) and on the other hand to the load sensor (2) and are located on the side of the load sensor (2) opposite from the lever system (8 . . . 11).

The invention relates to hoisting equipment, in particular to a rubber-tyred gantry crane with a suspension crane and a construction method thereof. The crane consists of a gantry and a hoisting device arranged on the gantry, wherein a walking mechanism is arranged at the lower part of the gantry; a balancing weight block is arranged at the rear end of the gantry which is also provided with a generating unit and an electric control device which are connected with the hoisting device and the walking mechanism; the rubber-tyred crane is novel hoisting equipment which combines cranes of tyre type, gantry type and suspension arm type; the rubber-tyred walking mechanism ensures that an LTD10 type crane has more flexible forward, backward and steering and wide running range and is not limited by tracks; the steering mechanism adopts an electric push rod as steering power, has sensitive reaction and is beneficial to improving the operation efficiency; a gantry structure has favorable stable performance, small volume, can be integrally transported and is convenient to install on site; and in a winch mechanism of the rubber-tyred crane, an electric hoist with mature technology is used, so that the manufacturing construction period and the cost can be saved.

The invention discloses a hoisting method of a hyperbolic water-tower water tank and a hoisting device. The hoisting method comprises the following steps of: firstly, prefabricating a water tank, installing lifting equipment, and starting to lift after a real-load pressure test is qualified; during lifting, firstly, jacking steel beams and driving a steel strand to lift; after a stroke is completed, utilizing a locking anchorage device to clamp the steel strand at a static steel beam, returning oil, then utilizing the locking anchorage device to clamp the steel strand onto a moving steel beam after falling back, thereby completing a hoisting cycle for one time; and repeatly lifting until the water tank is lifted to the position and then fixing. The hoisting device comprises a lifting part, a supporting part and a sling assembly, wherein the lifting part comprises a moving steel beam, a static steel beam and a hydraulic lifting device arranged between the moving steel beam and the static steel beam; and the sling assembly comprises a steel stand. The top of the steel stand penetrates through the moving steel beam and the static steel beam and is clamped on the steel beams through the locking anchorage device, and the bottom of the steel stand is connected with the water tank. The construction method and the device are simple in operation and have the advantages of low cost, low labor strength, low energy consumption, strong safety and reliability and good quality of construction.

The invention provides a method for dismantling large-section concrete box girders and a hoisting device. The method for dismantling the large-section concrete box girders comprises the steps of S1, dismantling a closure section or a balance section at the two ends of one independent section, S2, cutting the independent section starting from the two ends of the independent section and cutting the concrete box girders at the two ends of the independent section symmetrically, S3, dividing the independent section into a plurality of cutting sections in the axial direction of the box girders and cutting the independent section, cutting the concrete box girder on each cutting section into three cutting blocks before cutting the cutting sections, hoisting the three cutting sections in batches, S4, hoisting the cutting blocks to be cut with the hoisting device before cutting the independent section, and hoisting the cutting sections which are cut off with the hoisting device. The method for dismantling the large-section concrete box girders is effective, safe and suitable for large-section concrete box girders which are heavy after cutting.

The invention discloses a dismounting device for dismounting components of a shield tunneling machine in a tunnel and application of the dismounting device. The dismounting device comprises a portal, hanging beams, hoisting devices and walking devices. The portal comprises portal stand columns, a longitudinal beam, a transverse beam, and the portal of a cuboid structure is formed by connecting the portal stand columns, the longitudinal beam and the transverse beam. The portable stand columns are detachably connected with the longitudinal beam and/or the transverse beam. The two ends of the hanging beams are connected to the transverse beam. The two hanging beams are arranged in parallel. The hoisting devices are installed on the hanging beams and used for hoisting a shield tunneling machine main drive. The walking devices are arranged at the bottom of the portal. According to the dismounting device for dismounting the components of the shield tunneling machine in the tunnel, during main drive dismounting, the main drive can be fixedly supported, vertically hoisted and horizontally transported. The main drive can be smoothly dismounted in the narrow tunnel space, and the main drive is transported out.

A lifting device with a telescopic pole having at least three successive modules mounted so that the modules can slide vertically with respect to each other. A drive strap transfers movement in order to extend an upper module with respect to an intermediate module when the intermediate module is caused to move with respect to a lower module of the modules. The drive strap is kept taut between two fixation points placed respectively on the lower module and upper modules and pass along a return pulley device mounted on the intermediate module. A safety system is normally maintained in inactive position by tension of the drive strap is automatically released into active locking position to prevent the upper module from continuing to move with respect to the intermediate module if the drive strap breaks.

The invention discloses a hoisting device and a hoisting method used for aerial posture adjusting and positioning of a steel box arch rib. The hoisting device comprises an adjustable hoisting belt mechanism, sling mechanisms and a hoisting rack mechanism, wherein the adjustable hoisting belt mechanism comprises hoisting belts with adjustable lengths and shackles; the lower end of each hoisting belt is connected with the corresponding shackle, and is connected with the hoisting rack mechanism through the shackle; 1-5 groups of jacks are parallelly arranged on the upper surface of the hoisting rack mechanism; each group of jacks comprises 1-10 jacks which are arranged at intervals; each jack is connected with a steel strand; the lower end of each steel strand penetrates through the lower surface of the hoisting rack mechanism, and is connected with the corresponding sling mechanism; and the lower end of each sling mechanism is provided with a rotary shaft which is connected with a hoisting lug of the steel box arch rib. Aerial posture adjusting of the steel box arch rib can be performed by adjusting the lifting height of the jacks and the rotation angles of the rotary shafts; the lifting height and horizontal inclination angle of the steel box arch rib can be integrally controlled through the hoisting device and the hoisting method; and vertical inclination angle control can be realized by separately adjusting a single hoisting point.

The invention discloses a method for transplanting a tree in a nursery. The method adopts an integrated machine for excavating and transplanting the tree in the nursery; and the integrated machine comprises a walking device, a machine body arranged above the walking device, an excavating device and a hoisting device which are arranged at the front end of the machine body, and a supporting device arranged at the back end of the machine body. The walking device can adopt a crawler-type walking device, wherein the span between crawlers at two sides of the crawler-type walking device can be adjusted. The excavating device can adopt an excavating device for vibratory excavation; and the excavating device can use a vibrator which can produce vibration during rotation to drive an excavating cutter for excavation, wherein the excavating cutter is partially shaped as a cylinder. The invention integrates the walking device, the excavating device and the hoisting device, and can be suitable for various terrains on account of the adoption of the span-adjustable crawler-type walking device and the excavating device of the rotary vibration type. Simultaneously, the invention realizes good excavation function. The excavation process saves time and labor, the transplantation is convenient, the construction safety can be ensured, and the invention can be used for replacing human operation and reducing the labor intensity.

The invention discloses a movable sucking disk hoisting device. The movable sucking disk hoisting device comprises a support frame, wherein a rotating mechanism, a sliding mechanism and a sucking disk hoisting device are arranged on the support frame; the sucking disk hoisting device comprises a sucking disk and a mounting seat connected with the sliding mechanism; a winding drum which a steel wire rope winds is arranged on the mounting seat and is controlled to rotate by a first servo motor; the steel wire rope is connected with the sucking disk; the sucking disk is controlled to generate vacuum by a vacuum generator. According to the sucking disk hoisting device, a workpiece can be prevented from being damaged during a placement process; the workpiece taking and placing position precision is high; the sucking disk hoisting device is not influenced by an external force, is wide in movable range, and can rotate and move linearly.

The invention discloses a method for chiseling away cast-in-place pile head concrete rapidly, which comprises the steps of processing a steel bar framework, installing a separating sleeve and a separating sleeve ring on the steel bar framework, placing the steel bar framework into a pouring hole, arranging a template and then pouring concrete and performing maintenance; in chiseling, dismounting the separating sleeve ring to form an annular groove at the bottom of a cast-in-place pile head, using a drilling device to perform drilling construction, and drilling a plurality of pile head separating holes along the annular groove; and using a hoisting device to separate the cast-in-place pile head concrete and a cast-in-place pile foundation after the drilling construction is finished. By means of the method, the cast-in-place pile head concrete can be rapidly chiseled away, time required by pile head concrete chiseling process is shortened, and construction efficiency is improved. Construction operation is simple, special devices and tools and operating workers with professional skill are not required. Construction cost is reduced remarkably, construction quality is high, and accidents due to poor cast-in-place pile head quality are avoided.

The invention relates to a full-functional intelligent clothes hanger and a control method thereof. The full-functional intelligent clothes hanger comprises a hanger for hanging clothes; two sides of the hanger are provided with crossed rod retracting frames for conveying the hanger out of a balcony; driving devices for driving the crossed rod retracting frames are arranged above the crossed rod retracting frames; a hoisting device for hoisting or descending the hanger is arranged above the hanger; the full-functional intelligent clothes hanger further comprises a control device, wherein the control device comprises a central processing unit, a photosensitive probe, a wind power sensor and a rainwater sensor; the photosensitive probe, the wind power sensor and the rainwater sensor are respectively connected to a signal input end of the central processing unit; and a signal output end of the central processing unit is connected to the driving device and the hoisting device. The clothes hanger not only can automatically hoist up and down and is convenient to hang the clothes in the balcony; and the clothes hanger also can automatically stretch out or retract according to a weather condition so as to represent intelligentization and convenience of modern family life.

A lifting device for lifting an upper portion of a building which comprises a roof and a method of constructing a building using such a lifting device. The lifting device includes a base plate arranged to be mounted to an edge region of a support and a lifting platform attached to an actuator and capable of vertical movement by means of the actuator. The base plate has a first portion arranged to abut a substantially horizontal face of the support and a second portion arranged to abut a substantially vertical face of the support. The actuator is adjustably mounted to the base plate such that the position of the actuator is horizontally and/or vertically adjustable relative to the base plate to ensure a plumb lift.

The invention relates to a test method for icing and deicing of a transmission line, which comprises the following steps: measuring the gravity of a sample in real time by using a tension sensor; when applying a high voltage, applying a voltage to a test and correspondingly matching the value of a height h from a wire or an insulator to a ground wire so as to make the electric fields of the wire or the insulator and the ground wire in the electric field environment for operating a line; measuring the temperature, a wind speed and a precipitation parameter close to the surface of the sample inreal time by a sensor; and transmitting sensor data and test data of a climatic chamber to a computer to record and process the data uniformly in real time so as to realize an automatic measurement. The test system of the invention comprises a hoisting device, a suspension device, a supporting device and a high voltage bushing, wherein a plurality of sensors are connected to a data acquiring device and the computer through lines. The test method for the icing and the deicing of the transmission line and the test system thereof can realize the determination of different icing types and the simulation of the increase rule of the icing of a corresponding type according to characteristics of the icing, the icing density and the icing weight.

A method and control assembly are provided for operating at least two lifting devices, such as cranes, in group and normal operation modes. Each lifting device has a control system connected to a control switch, and the lifting devices are controlled through a common bus. In group operation, the lifting devices are jointly controlled through the bus by one switch. To operate at least two lifting devices in parallel, one of the switches is active in the group operation and the remaining switch or switches are passive. To prepare for group operation, normal operation is deselected by all but one of the control switches to release a remaining switch for log-in to the active state for group operation. To prepare for normal operation, group operation is deselected and normal operation is selected at the active switch before the other switch or switches are released for logging into normal operation.

A tine mounted weighing scale apparatus includes a pair of weighing scale units, each scale unit having a base mountable on one tine of a lifting device. The base has a predetermined number of load cell mounts each providing a deflection gap between a load cell and the base. A platform for contact with a load is disposed above and in operational contact with the base. A load cell is attached to each of the load cell mounts of the base and is positioned between the base and the platform. Each load cell has an engagement member in operational contact with the platform. An electrical control/display and a power supply is connected to the pair of weighing scale units for displaying the total weight supported by the scale apparatus.

The invention discloses a welding production system for a skylight framework of an electric automobile and a method thereof. The welding production system for the skylight framework of the electric automobile is suitable for dimensions of skylight frameworks of different models by means of a clamping mechanism capable of positioning in X, Y and Z directions on an operating table. One welding device is suitable for the skylight frameworks of various models, so that the manufacturing cost of a welding tool is saved. The positioning accuracy is examined precisely through a positioning sensor on the operating table, so that the welding precision is improved. A hoisting device is arranged above a welding station. Glass subjected to brush coating is grabbed by the hoisting device. The glass is driven by a moving mechanism to be mounted on the welded skylight framework, so that the space of the welding station is utilized reasonably, the glass carrying time is shortened, and the mounting efficiency is improved favorably.

The invention provides a large-scale wind turbine blade transporter and a transportation method. The transporter is provided with a rotary support, a supporting rod, a supporting sliding block, a drag oil cylinder, a sliding groove, a guide rod, a positioning pin and a lifting frame, wherein a hoist device is capable of changing the angle of the axis of an overlong blade in the vertical plane with respect to the horizontal plane; the lifting frame is provided with a blade support, the supporting rod, a counterweight and blades; a rotary device is hinged with the rotary oil cylinder; the other end of the rotary oil cylinder is hinged to a semi-trailer; and the rotary device is provided with the rotary support which is capable of rotating along with the rotary device. The large-scale wind turbine blade transporter provided by the invention can regulate the transportation gesture of the overlong blade in the process of transportation; while dragging and lifting within 0 to 45 degrees by the oil cylinder, the lifting gravity centre track moves around a rotary axis; during the rotation of the rotary support, the gravity centre thereof moves within a rotary base; hydraulic steering is achieved through the rear wheels of vehicle plate; thus, the transporter can effectively avoid the obstacles, such as buildings, trees, hillsides and the like, when transporting overlong blades in complex areas. The transporter provided by the invention is skillful in design, novel is structure, safe and convenient for operation and easy for popularization.

An integrated lifting apparatus for attaching a sling or other lifting means to a load having an upright and substantially hollow post. A bore is provided near the upper extent of such hollow post, said bore extending horizontally through said hollow post. A threaded bolt having an enlarged head on one end, preferably constructed of high strength and/or shear resistant material, is disposed through said bore. A lock nut having an outer diameter greater than the diameter of said bore is threaded onto the end of said bolt. If desired, a cotter pin can also be used to secure such lock nut on said bolt.