39results about How to "Realize turnover use" patented technology

The invention relates to an assembly type variable steel girder platform, a distribution method and an assembly method thereof. The platform is supported on a core tube, and is formed by sectional steel grinders through being fixedly connected, and the sectional steel grinders mainly consist of main stress grinders, sub stress grinders and support rods between grinders, wherein the main stress grinders are formed by main grinder standard nodes and main grinder groined node standard nodes through being dismountably connected via node plates with bolt holes, end sealing plates with bolt holes and screw bolts, the sub stress grinders are formed by sections of sub grinder standard sections through being dismountably connected end to end, and in addition, the sub stress grinders are dismountably connected between two main stress grinders. The platform can be applied to template lifting construction of high and superhigh building core tube steel platforms, and can also be used as platforms for large-area spanning construction operation and construction machine pile carrying and placement, the construction is very easy, the work period of the construction is greatly accelerated, and the construction cost is reduced.

The invention discloses a high-efficiency transit cargo container, and belongs to the technical field of automobiles. The high-efficiency transit cargo container comprises a cargo container body, a cargo container bottom plate, a cargo container secondary beam, lifting lugs and fixing seats, wherein the cargo container body, the cargo container bottom plate and the cargo container secondary beam are arranged in a split manner; the tail end of the cargo container bottom plate is articulated with the cargo container secondary beam by a turnover seat; a rear door and a turnover mechanism are arranged at the tail part of the cargo container body; the lifting lugs are located on the two sides of the cargo container body, and arranged in a front-rear symmetry manner; the fixing seats are located at the bottoms of the two sides of the cargo container body; the lower surfaces of the fixing seats and the lower bottom surface of the cargo container body are in the same horizontal plane; fixing devices are arranged on the upper surfaces of the two sides of the cargo container bottom plate; the fixing seats are adaptive to the fixing devices. The high-efficiency transit cargo container is provided with the lifting lugs on the two sides of the cargo container body in the front-rear symmetry manner and the fixing seats are adaptive to the fixing devices, so that the high-efficiency transit cargo container is easy to hoist and simple to mount and dismount, realizes rapid separation and mounting of the cargo container body and the cargo container bottom plate, improves the transit efficiency, and saves the time and manpower.

The invention discloses a turnover tool type embedded aluminum formwork integral dismounting device and a dismounting method. The turnover tool type embedded aluminum formwork integral dismounting device comprises an aluminum formwork body and a fastening mechanism; the aluminum formwork body is formed by sequentially connecting a hinge connecting plate and three side plates in a hinged mode; thehinge connecting plate comprises two or more than two connecting plates which are sequentially arranged in the width direction of the hinge connecting plate; every two adjacent connecting plates are connected through a hinge; the fastening mechanism comprises a plurality of inner nuts and a plurality of screws; inner nuts are correspondingly fixed to the inner side walls of the hinge connecting plate and the side plates; the free ends of the inner nuts are arranged towards the center of the aluminum formwork body; the plurality of screws penetrate through the side plates and are in threaded connection with the corresponding inner nuts; and an elastic piece is fixedly connected between the inner nut on the hinge connecting plate and the inner nut opposite to the inner nut on the hinge connecting plate. The turnover tool type embedded aluminum formwork integral dismounting device has the advantages that the structure is simple, the design is reasonable, the operation is easy, the structural flexibility is high, the dismounting is convenient, the complexity of formwork supporting work of a hollow concrete structure is reduced, and turnover use of the aluminum formwork is achieved.

The invention provides an assembled corbel node structure with removable concrete embedded parts, including a removable embedded part and a positioning force transmission plate connected and fixed thereto. Parts, connecting parts and removable embedded parts are detachable connections. It can not only meet the force requirements of the fulcrum of large-scale mechanical equipment, but also has detachable performance, so it can be used repeatedly, and it will not affect the structure or later construction of the wall to which it is attached.

The invention discloses a concrete support pin-mounted component suitable for foundation pit support. The concrete supporting rods are respectively hinged with the pin-mounted connecting heads through corresponding connecting pin shafts, and each diagonal brace positioning member is connected between two adjacent concrete supporting rods. The present invention facilitates the prefabrication of the concrete support at an external site in advance and transports it to the site for installation, thereby improving the construction efficiency of the foundation pit supporting structure, and is convenient for disassembly and turnover, thereby reducing the construction cost of the foundation pit supporting structure.

The invention relates to a manufacturing method of the detachable fixing part of an elevator protective door. The elevator protective door comprises the fixing part and a rotating part, wherein the fixing part is composed of a left semicircular hoop, a right semicircular hoop, a rotating shaft and a bayonet connecting bolt, the left semicircular hoop and the right semicircular hoop are equal in height and diameter, one end of the left semicircular hoop and one end of the right semicircular hoop are connected with the rotating shaft, the other end of the left semicircular hoop and the other end of the right semicircular hoop respectively bend outwards to form a connecting plate, a U type groove is formed in the middle close to the top of the left connecting plate, a connecting hole corresponding to the U type groove is formed in the center of the right connecting plate, and the bayonet connecting bolt is sequentially inserted in the connecting hole through the U type groove and fastened through a nut to form fastening connection with a stand column. The rotating part is composed of a sleeve and an insertion, the insertion is composed of an inserting section and a protective door connecting section, the sleeve is welded to the outer side face in the middle of the left semicircular hoop, the inserting section of the insertion is inserted into the sleeve and can rotate freely, and the protective door connecting section is connected with a frame of the protective door in a welded mode. The detachable fixing part has the advantage of being convenient to assemble and disassemble, and can be widely applied to high-rise building construction.

The invention relates to the field of construction of shield tunneling sleepers, in particular to a safe and rapid combined shield tunneling light sleeper. The safe and rapid combined shield tunneling light sleeper solves the problems that according to an existing light sleeper, installation needs great effort, rail disengagement occurs during operation, maintenance needs a long time, and disassembly needs a large amount of labor after construction. The safe and rapid combined shield tunneling light sleeper comprises transport cart box iron sleeper bodies and shield tunneling sleeper bodies, wherein the shield tunneling sleeper bodies are assembled together with the two ends of the transport cart box iron sleeper bodies. The two ends of each transport cart box iron sleeper body is each provided with a U-shaped groove, and transport cart rails are arranged in the U-shaped grooves in the two sides of each transport cart box iron sleeper body. Each shield tunneling sleeper body comprises arc steel plates and arc step sleeper bodies, wherein the arc steel plates are attached to a tunnel bottom segment and are identical in radian, and the arc step sleeper bodies are fixed to the high ends of the arc steel plates. The lower end of each arc steel plate is provided with a protruding portion which is inserted into the corresponding transport cart box iron sleeper body. Each arc step sleeper body is provided with a clamping groove formed by two opposite rail clamping locating plates. Shield tunneling rails are arranged in the rail clamping grooves. By the adoption of the safe and rapid combined shield tunneling light sleeper, the frequency of rail disengagement during operation is reduced, construction safety is guaranteed, and the situation that personnel are specially assigned to conduct maintenance is avoided; the safe and rapid combined shield tunneling light sleeper has the advantages that the technology is simple and advanced, and the practicability is high.

The invention discloses a sectional type concrete pre-buried screw rod capable of being taken out and a using method thereof. The pre-buried screw rod comprises a screw rod body, the screw rod body comprises an unthreaded rod section and a large-threaded section, and the unthreaded rod section and the large-threaded section are designed in split; a second through hole is formed in the center of the large-threaded section in the axial direction, a plurality of through holes are formed in the large-threaded section in the radial direction, and a connection part is installed on the inner wall of the large-threaded section; the unthreaded rod section comprises a split shear resisting section and a filling section, a counter bored hole is formed in the center of the shear resisting section in the axial direction, and a first through hole is formed in the center of the filling section in the axial direction; and the counter bored hole, the first through hole and the second through hole form a cavity, a connecting rod connecting the shear resisting section, the filling section and the large-threaded section into a whole is installed in the hole, one end of the connecting rod is provided with a boss, and the other end of the connecting rod is in threaded connection with the second through hole. The sectional type concrete pre-buried screw rod can be taken out of concrete and recycled, and liquid of silica gel and the like can be injected to increase friction force between bolts and the concrete.

The invention discloses a super high-rise outer frame giant column protection platform system and an installation method thereof. The super high-rise outer frame giant column protection platform system comprises a hanging frame and an outer frame giant column, working platforms are arranged around the giant column; a horizontal clamp is arranged below each working platform, and one end of each horizontal clamp is fixed on the hanging frame; an inclined pulling rod is arranged below each horizontal clamp, one ends of the inclined pulling rods are fixed at the tail ends of the horizontal clamps,and the other ends of the inclined pulling rods are fixed to the hanging frame; a steel wire rope is arranged below each inclined pulling rod, one ends of the steel wire ropes are fixed at the fixingpoints of connecting of the horizontal clamps and the inclined pulling rods, and the other ends of the steel ropes are fixed on the hanging frame; and the upper ends of the horizontal clamps are provided with I-shaped steel pieces, and the top ends of the I-shaped steel pieces support the working platforms. The super high-rise outer frame giant column protection platform system is high in practicability and can be applied to different floor heights, different giant column sections and the overhang length of a lateral side of the outer side of the giant column; and the protective platform canbe directly hoisted and transferred after being installed at a time, so that turnover using is quickly realized, the work efficiency is improved, the cost is reduced, and meanwhile, the working intensity of construction personnel is reduced.

The invention discloses a safety belt suspension device for scaffolding installation, which comprises two vertically arranged I-beams, a pressure ring steel plate is welded at the bottom of the vertical I-beam, and the top of the pressure ring steel plate is close to the vertical I-beam Anchor steel plates are welded on both sides, and positioning bolts are set through the bottom of the anchor steel plate and the pressure ring steel plate; the present invention adopts the fixing method of welding and anchoring as a whole, and is fixed into a triangle as a whole, so that the stability of the device is enhanced and the pressure ring steel plate at the lower end of the device is It is detachable from the bolts and can be used repeatedly. The height of the I-beam meets the standing height of the workers when installing the scaffold, and meets the safety belt usage specification of "high hanging and low use". The hole reserved at the end of the protruding I-beam uses a wire rope cushion cover , can greatly reduce the degree of wear of the wire rope and can prevent slipping, the overall suspension device can be superimposed to increase the height, and can be applied to floors of various heights.