33results about How to "Lifting" patented technology

The invention discloses a controllable counterweight system of a crawler crane. The controllable counterweight system comprises main pulling plate devices, auxiliary pulling plate devices, an extending supporting frame device and a controller. A super-lift mast and a luffing device are hinged to the upper ends of the main pulling plate devices, and a small mast is hinged to the lower ends of the main pulling plate devices. A tension sensor is arranged on each main pulling plate device. Each auxiliary pulling plate device comprises an auxiliary combined pulling plate and a telescopic unit. The super-lift mast and the luffing device are hinged to the upper ends of the auxiliary combined pulling plates. The upper end of a telescopic piece of each telescopic unit is hinged to the lower end of the corresponding auxiliary combined pulling plate. The lower ends of the telescopic pieces of the telescopic units are connected with a supporting frame of the extending supporting frame device. A hinge pin sensor is arranged on each auxiliary pulling plate device. The extending supporting frame device comprises the supporting frame used for placing of a counterweight mechanism. The supporting frame is connected with a main platform of the crawler crane. Data are transmitted to the controller through the tension sensors and the hinge pin sensors. The extending and retracting of the telescopic pieces are controlled by the controller. According to the controllable counterweight system of the crawler crane, the safety and reliability of the crawler crane are improved.

The invention provides an energy saving environmental protection reinforced concrete one-piece house building die comprising an outer die body, an inner die body, window die bodies, door die bodies and beam die bodies; the outer die body comprises four outer molds capable of being enclosed and separated; the inner die body a one-piece hollow cavity with sealed surroundings and top; four corner bottoms of the space formed by the outer die body and the inner die body are respectively provided with a hydraulic cylinder; a plurality of window die bodies and door die bodies are arranged in the space enclosed by the outer and inner die bodies; the upper portion of the space enclosed by the outer and inner die bodies is provided with a plurality of beam die bodies; peripheral surfaces of the inner die body, the window die body, the door die body and the beam die body respectively lean upwards, and the shape of big-bottom and small-top is respectively formed. The house built by the die is safe and firm, comfortable and environmental protection, low in cost, convenient in dismounting, and can be repeatedly used; the house can be built in industrial production, thus providing the cement movable house with high quality and low cost for building construction units.

The invention discloses a combined circular rack leg construction platform, which includes platform supports arranged on both sides of the circular rack legs and a platform passageway above the circular rack legs, the platform support It rotates around its vertically arranged central axis, and the upper end of the platform support is horizontally and fixedly provided with a support beam, and the walkway channel is detachably installed on the support beam. The invention can directly hoist the pile leg of the circular rack without repeated assembly and disassembly, the hoisting is rapid, the construction efficiency is improved, and the continuity of the construction is ensured.

The invention discloses a heavy fixture suitable for transfer of a cylindrical thin shell and an application method thereof. The furniture comprises a base, clamping jaws and power devices for pushingand pulling the clamping jaws, wherein the bottom of the base is provided with an arc-shaped clamping plate, the shape of the clamping jaws is matched with the shape of the arc-shaped clamping plate,the pair of clamping jaws are symmetrically connected to the bottom of the base relative to the arc-shaped clamping plate, the upper ends of the two clamping jaws are hinged with the power devices, the arc-shaped clamping plate at the bottom of the base simultaneously serves as a sliding rail during movement of the clamping jaws, and the power devices push the clamping jaws to move along the sliding rail so as to realize the operation of clamping and loosening a product. The clamping jaws can almost slide to the maximum coated clamping position against the outer wall of the cylindrical thin shell, so that guarantee is provided for safe and stable hoisting and transfer of the product; the clamping jaws can slide along the outer wall of the cylindrical thin shell, so that the fixture can clamp the cylindrical thin shell under the condition that the space gap is small; and a matched rigid hoisting mechanism can enable a travelling crane or a crane to stably and safely hoist the cylindrical thin shell under the condition that the space gap is small.

The invention relates to a high-energy electron irradiation accelerator, which comprises an accelerating structure and a supporting structure, wherein the acceleration structure comprises an electrongun, focusing coils, an input waveguide system, a load waveguide system, a beam detection system and a scanning system, the electron gun, the focusing coils, the beam detection system and the scanningsystem are connected in sequence and vertically installed on the acceleration structure so as to be convenient to assemble, and the input waveguide system and the load waveguide system are respectively connected to the inlets and the outlets of the focusing coils. According to the invention, the acceleration structure can guarantee the installation coaxiality in a mode of being vertically installed on the supporting structure, so that the acceleration structure is rapid to install and convenient to install and debug; a large circular hole is designed in the center of the top supporting plate,so that structural accessory hoisting is accelerated during vertical installation; and a titanium pump supporting plate is adjustable, and the position of a titanium pump can be finely adjusted according to the actual installation condition, so that the titanium pump installation process difficulty is effectively reduced, the precision requirement for the installation position of the supporting plate is lowered, and the installation efficiency is improved.

The invention relates to special automatic hoisting equipment for a building decoration material environment-friendly hollow brick. The special automatic hoisting equipment comprises a pulley, whereinthe pulley is connected with a tripod, the tripod is provided with a support column, a handle is arranged at one end of the tripod, the handle is connected with a rotating shaft, the rotating shaft is connected with a star wheel, and a sterilization layer is arranged on the handle. Through rotation of the star wheel, the torque is reduced, and the effect of saving labor is achieved.

A multi-rope friction type elevator comprises a power mechanism, a friction wheel, head sheaves, a steel rope, an elevating container and a tail rope. The power mechanism drives the friction wheel to rotate through a main shaft. The main shaft is supported on a tapered-hole self-aligning roller bearing. A disassembly and assembly device for the tapered-hole self-aligning roller bearing is arranged on the main shaft. The disassembly and assembly device comprises a hydraulic ring, a bearing ring and a fixing ring which are sequentially arranged on the main shaft in a sleeving manner in the axial direction of the main shaft. A torque transmission device is arranged between a hub of the friction wheel and a shaft flange of the main shaft. The torque transmission device comprises a left pressing plate, a right pressing plate, a high-strength bolt set and an anti-rotating pin. According to the disassembly and assembly device, pressure oil is injected into different oil cavities, and radial pressure and axial pressure are successively generated, so that quick assembly and disassembly of the tapered-hole self-aligning roller bearing are achieved, the overhaul efficiency of the equipment can be improved greatly, balanced transmission of the radial heavy load can be achieved through the torque transmission device, and the reliability of large torque transmission between the friction wheel and the main shaft is improved greatly.

The invention discloses a box girder web reinforcing bar positioning device and a construction method thereof. The box girder web reinforcing bar positioning device comprises floor support frames and a reinforcing bar binding and positioning frame, wherein a group of floor support frames are arranged in the direction of a vertical beam at intervals, at least one limiting sleeve with a horizontal opening in the direction of a cross beam is connected to one side of the floor support frames, and the suspended reinforcing bar binding and positioning frame is connected to the side of the floor support frames; the reinforcing bar binding and positioning frame is a comb-like frame which is composed of comb back rods and a group of comb-tooth-shaped reinforcing bar binding support rods horizontally connected to the comb back rods, and the distance between the reinforcing bar binding support rods is matched with the distance between box girder web reinforcing bars; at least one limiting rod with the number, size and connecting position matched with those of the limiting sleeves is arranged in the reinforcing bar binding support rods, and the limiting rods are connected to the interiors of the limiting sleeves correspondingly in a horizontally retractable mode. By the adoption of the box girder web reinforcing bar positioning device and the construction method thereof, reinforcing bars can be positioned accurately, operation is easy, the positions of the reinforcing bars are accurate, reinforcing bar framework installation quality can be guaranteed, construction difficulty is reduced, quick hoisting is achieved, and time and labor are saved.

The invention discloses a controllable counterweight system of a crawler crane. The controllable counterweight system comprises main pulling plate devices, auxiliary pulling plate devices, an extending supporting frame device and a controller. A super-lift mast and a luffing device are hinged to the upper ends of the main pulling plate devices, and a small mast is hinged to the lower ends of the main pulling plate devices. A tension sensor is arranged on each main pulling plate device. Each auxiliary pulling plate device comprises an auxiliary combined pulling plate and a telescopic unit. The super-lift mast and the luffing device are hinged to the upper ends of the auxiliary combined pulling plates. The upper end of a telescopic piece of each telescopic unit is hinged to the lower end of the corresponding auxiliary combined pulling plate. The lower ends of the telescopic pieces of the telescopic units are connected with a supporting frame of the extending supporting frame device. A hinge pin sensor is arranged on each auxiliary pulling plate device. The extending supporting frame device comprises the supporting frame used for placing of a counterweight mechanism. The supporting frame is connected with a main platform of the crawler crane. Data are transmitted to the controller through the tension sensors and the hinge pin sensors. The extending and retracting of the telescopic pieces are controlled by the controller. According to the controllable counterweight system of the crawler crane, the safety and reliability of the crawler crane are improved.

The invention relates to a hanging basket for super high-rise building construction. The hanging basket comprises a pulley, the pulley is connected with a triangular frame, the triangular frame is provided with a supporting column, a handle is arranged at one end of the supporting column and connected with a rotating shaft, the rotating shaft is connected with a star wheel, and a sterilization layer is arranged on the handle. Through rotation of the star wheel, the moment of force is reduced, and the effect of labor saving is realized.

The invention relates to a cast-in-place beam formwork with a horizontal-moving sliding formwork spiral type falling frame supporting device. The cast-in-place beam formwork comprises a sliding wheel,the sliding wheel is connected with a triangular frame, the triangular frame is provided with a supporting column, a handle is arranged at one end of the supporting column, the handle is connected with a rotating shaft, the rotating shaft is connected with a star wheel, and the handle is provided with a sterilizing layer. Through rotating of the star wheel, the moment is reduced, and the labor saving effect is achieved.

The invention discloses a special assembling machine for a water chamber on an automobile air conditioner. The machine is characterized in that a displacement sensor is arranged on the outer wall of one side of a transverse plate of a T-shaped sliding sleeve part of a clamping mechanism and is electrically connected with a controller through a data connecting line, and the displacement sensor is used for detecting the moving distance of the T-shaped sliding sleeve part and feeding back to the controller, so that the controller controls a motor to start and stop conveniently; lifting of the clamping mechanism for a water chamber steel plate is further promoted, a pushing device is arranged at the position, located on the inner side of a fixed clamping arm, of the upper end of a rack , a push plate is installed on the outer wall of a vertical plate of an L-shaped supporting plate through cooperation of a first hydraulic cylinder and a piston push rod A, and an installation groove is formed in the upper end of a transverse plate of the L-shaped supporting plate and matched with a connecting rod to be provided with a roller; and after the water chamber is assembled, the first hydrauliccylinder controls the piston push rod A to extend, the piston push rod A is pushed to a finish machining production line conveying belt parallel to assembling equipment through rolling translation ofthe roller by means of the push plate, labor intensity of manual moving is avoided, and convenience and practicability are achieved.

The invention relates to a high-energy electron irradiation accelerator, which includes an accelerating structure and a supporting structure; the accelerating structure includes an electron gun, a focusing coil, an input waveguide system, a load waveguide system, a beam current detection system and a scanning system; the electron gun, the focusing coil, the beam The flow detection system and the scanning system are connected in sequence and installed vertically on the acceleration structure for assembly; the input waveguide system and the load waveguide system are respectively connected at the entrance and exit of the focusing coil. The beneficial effects of the present invention are as follows: 1. The acceleration structure of the present invention can ensure the installation coaxiality by being installed vertically on the support structure, so the installation is quick and convenient for installation and debugging. 2. There is a large round hole in the center of the top support plate, which is convenient for accelerating the hoisting of structural accessories during vertical installation. 3. The support plate of the titanium pump is adjustable, and the position of the titanium pump can be fine-tuned according to the actual installation situation, which effectively reduces the difficulty of the installation process of the titanium pump, reduces the accuracy requirements for the installation position of the support plate, and improves the installation efficiency.

A sand core hoisting device is used for hoisting sand cores or mud cores. The device comprises two beams, two straight-pulling rib units, two inclined-pulling rib units, a hook, two rotor seats, two rotors and an angle adjuster matched with the rotors. The beams are arranged in a spaced mode, the straight-pulling rib units are connected with the two ends of the beams respectively, one end of each inclined-pulling rib unit is pivoted to the corresponding straight-pulling rib unit, and the other end is connected with the hook. The rotor seats are connected with the corresponding straight-pulling rib units, and the rotors are pivoted to the corresponding rotor seats. By means of the sand core hoisting device, the sand core or mud core surface quality is improved, and the hoisting, cleaning, application and assembly efficiency for small-batch manual production of sand cores or mud cores is improved.

The invention relates to a hoisting device for building construction. The hoisting device for building construction comprises a pulley, the pulley is connected with a tripod, the tripod is provided with a supporting column, a handle is arranged at one end of the tripod, the handle is connected with a rotating shaft, the rotating shaft is connected with a star wheel, and a sterilizing layer is arranged on the handle, so that torque is reduced through the rotation of the star wheel, and the labor-saving effect is achieved.

The invention discloses a burning-free light aggregate preparation method, and a high strength and low thermal conductivity lightweight concrete based on secondary molding and a preparation method thereof. The preparation method specifically comprises: preparing a light aggregate, uniformly mixing 2.2-3.65 parts of the light aggregate, 1 part of cement and 0.00-0.30 part of fly ash, and adding 0.32-0.75 part of water and 0.003-0.012 part of a polycarboxylic acid water reducing agent to obtain the light aggregate concrete. The invention further provides the lightweight concrete prepared through the preparation method, wherein the raw materials and the preparation method of the light aggregate are defined in the claims of the specification. According to the present invention, the light aggregate concrete does not require the pre-wetting process, has advantages of good stability, excellent mechanical property, excellent durability and low thermal conductivity, and is the energy-saving and high-performance structure lightweight aggregate concrete.

The invention relates to a portable adapter connecting piece for field cable conveying. The portable adapter connecting piece comprises a pulley, wherein the pulley is connected with a tripod, the tripod is provided with a supporting column, a handle is arranged at one end of the tripod, the handle is connected with a rotating shaft, the rotating shaft is connected with a star wheel, a sterilizinglayer is arranged on the handle, the star wheel is rotated, the torque is reduced, and the effect of saving labor is achieved.