123results about How to "Easy to lift and transport" patented technology

The invention discloses a quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and a cover beam. The method comprises the steps that when the steel concrete cover beam is prefabricated, reserved holes used for connecting the two elements are formed in the portions, corresponding to the pier columns, of the steel concrete cover beam; at the bottom interfaces of the steel pipe constraint type steel concrete pier columns and the cover beam, profile steel flange plates extend to the positions under stressed reinforcing steel bars arranged at the top of the cover beam, steel pipes at the peripheries of the pier columns do not extend, and steel bars connected with the cover beam need to be embedded in stand column sections at the top ends of the pier columns, wherein the anchorage length of the steel bars and the depth that the steel bars are embedded into the cover beam need to meet the related bridge design specification construction requirements; transverse steel bars are arranged in profile steel flange plate anchorage holes formed in the reserved holes of the cover beam in a penetrating mode and connected together with the steel bars arranged at the peripheries of the reserved holes of the cover beam, and concrete is poured in the reserved holes. According to the method, the problems that the construction occupation site is large, the construction period is long, part of connection work procedures are trouble, and welding is difficult are solved, the connection reliability and bearing capacity of this kind of bridge piers are guaranteed, and the resistance, the shock resistance and the rigidity of the bridge piers are improved.

The invention discloses marine garbage pollution intelligent integrated recovery processing equipment. The equipment comprises a vehicle body, wherein a shoveling device, a conveying device, a sand filter device, a feeding and delivering device, a weight screening device, at least one group of sea grass mincing device, a sea grass screening device, a big rock screening device and a shell screeningdevice are arranged on the vehicle body in sequence. According to the marine garbage pollution intelligent integrated recovery processing equipment, the structure is reasonably designed, equipment space is saved, the various sets of equipment are in compact arrangement, sand materials on the beach are collected firstly, fine sands are filtered out, then the materials are screened through the weight screening device, the materials that are easy to float on water such as sea grass and light garbage are separated from materials such as the shell and the rocks firstly, then the sea grass is minced and separated, and separation and collection of the sea grass and light garbage is realized; after heavy materials sinking under water are separated out, big rocks in the heavy materials are separated out, then the shells, broken shells and small rocks are separated finally, so that the separation and collection of the heavy materials in the beach is realized.

The invention relates to the field of power supply, in particular to a square cabin, a manufacturing method of the square cabin and a generator set using the square cabin. The square cabin is enclosed jointly by a base, a top plate, side plates and a frame, wherein porous metal plates are arranged inside the side plates. The insides of the side plates which form a device cabin are connected with bypass wind tunnels. At least one turn is arranged between an air inlet and an air outlet of each bypass wind tunnel. Exhaust ports are arranged on the side plates which form an air-out cabin. The manufacturing method of the square cabin comprises the steps of: manufacturing the frame; pressing the side plates and the porous metal plates together; embedding the top plate and the side plates into the frame and arranging the bypass wind tunnels and the exhaust ports; manufacturing the base; and connecting the frame and the base into a whole. The generator set comprises the square cabin and an engine and generators in the square cabin. The porous metal plates are arranged inside the side plates so as to absorb noise in the square cabin effectively. The bypass wind tunnels are arranged to absorb part of sound waves in the condition of meeting the requirements of ventilation and heat rejection, thereby further reducing the noise.

The invention discloses a multifunctional lifting conveying device which comprises a transverse-moving device, a lifting device, a vehicle carrying plate vehicle-stabilizing device and a controller. The transverse-moving device moves on the plane, the lifting device is arranged on the transverse-moving device, and thus lifting transverse-moving movement is achieved; in addition, a brake device isadditionally arranged in the lifting device, and thus the anti-falling effect is achieved; and the vehicle carrying plate stabilizing device is provided with a delivery mechanism, a handle stabilizingmechanism and a first wheel clamping mechanism, and by clamping a vehicle handle and a front wheel, the purpose that a vehicle is stabilized and delivered can be achieved. The multifunctional liftingconveying device can clamp a two-wheeled vehicle with different sizes of wheels, the purpose of lifting conveying for storing and picking-up of the two-wheeled vehicle under various occasions is achieved; and structural force is relatively reasonable, applicability is high, interference is not liable to be formed, safety and reliability are achieved, and the multifunctional lifting conveying device is hopeful to be used and popularized.

The invention discloses a prestressed reinforced concrete superposed beam having convex-concave superposed surfaces. The prestressed reinforced concrete superposed beam having convex-concave superposed surfaces comprises an inverted T-shaped precast prestressed beam and an inverted U-shaped post-poured reinforced concrete part. The inverted T-shaped precast prestressed beam and the inverted U-shaped post-poured reinforced concrete part compose a rectangular structure or a rectangular superposed beam of which an upper part is connected to a floor. The prestressed reinforced concrete superposed beam having convex-concave superposed surfaces is characterized in that prestressed steel strands are longitudinally embedded in the inverted T-shaped precast prestressed beam; U-shaped stirrups are embedded in flanges of the inverted T-shaped precast prestressed beam; rectangular stirrups are embedded in a web; a stirrup pouring anchor is fixed in the inverted U-shaped post-poured reinforced concrete part; and the rebars are longitudinally embedded in an upper part of the inverted U-shaped post-poured reinforced concrete part of the prestressed reinforced concrete superposed beam. The prestressed reinforced concrete superposed beam has an inverted T-shaped cross section and small self-weight, is convenient for transport and reduces tower crane hoisting requirements.

The invention discloses a shockproof distribution box, comprising a cabinet, a first spring and an insulating plate, wherein the bottom of the cabinet is provided with a cabinet seat; engagement slotsare formed on both sides of the bottom of the cabinet seat; an engagement board is connected in the engagement slots; a side surface of the engagement board is provided with a sleeve; a threaded rodpasses through the sleeve; the threaded rod is connected with a nut close to the top of the sleeve; the threaded rod is connected with a cushion pad close to the bottom the sleeve; the first spring sleeves the threaded rod close to the bottom of the cushion pad; the threaded rod and the first spring are connected in a base through a first cylindrical groove. The shockproof distribution box is provided with the sleeve. When the position of the distribution box is vibrated, the first spring below the cushion pad and a second spring below a first groove are squeezed and contracted, so that the first spring damps the four corners of the cabinet seat through the sleeve above the cushion pad so as to damp the distribution box.

The invention discloses a garbage cleaning device for marine beach purification, which comprises a vehicle body, wherein a feeding lifting and conveying device, a light and heavy screening device, a large stone screening device and a shell screening device are sequentially arranged on the vehicle body; a material inlet end of the light and heavy screening device corresponds to a material outlet ofa support ring frame, a heavy material outlet end of the light and heavy screening device corresponds to a material inlet end of the large stone screening device, and a material outlet end of the large stone screening device corresponds to material inlet end of the shell screening device; the shell screening device comprises a shell screening machine frame, a fixed shell screening cylinder, a rotating middle screening cylinder and a rotating shell outer cylinder. According to the invention, the structure design is reasonable, the device space is saved, the arrangement of each device is compact, heavy materials submerged in the water are separated first, then large stones are separated, and finally shells, broken shells and small stones are separated, so that the separation and collectionof the heavy materials on the beach are achieved.

The invention relates to the field of metallurgical equipment, in particular to a continuous casting machine tundish submersed nozzle baking furnace. The continuous casting machine tundish submersed nozzle baking furnace comprises a furnace body, wherein two baking chambers are arranged in the furnace body, each baking chamber is provided with a spraying nozzle, each spraying nozzle is connected with a mixing valve, each mixing valve is connected with an air inlet pipe and a fuel gas inlet pipe, each air inlet pipe and each fuel gas inlet pipe are respectively provided with a control hand valve, an installation plate is arranged at the top of each baking chamber, a clamping groove is formed in each installation plate to fix a submersed nozzle, the furnace body is provided with a furnace door, a heat-preservation layer is arranged at the inner side of the furnace door, a flame retardant layer is arranged on the inner wall of each baking chamber, a heat preservation plate is formed at the top of the furnace body and provided with openings matched with the submersed nozzles, pulleys are arranged at the bottom of the furnace body, and pothooks are arranged at the top of the furnace body. The continuous casting machine tundish submersed nozzle baking furnace has the advantages of being safe to operate, capable of meeting production requirements, capable of guaranteeing baking quality and convenient to move and transport, saving energy and the like.

The invention discloses a prefabricated composite floor slab storage and transportation bracket and a matched lifting appliance thereof. The storage and transportation bracket comprises a bottom bracket and multiple vertical rods. The multiple vertical rods are perpendicularly and fixedly connected to the two ends of the bottom bracket. Each vertical rod is of a hollow structure. When the bottomsof the vertical rods are arranged to be placed on the multiple storage and transportation brackets in a vertically-superposed manner, each storage and transportation bracket located above is connectedinto insertion portions in inner chambers of the vertical rods of the corresponding storage and transportation bracket located below in an inserted manner. The vertical rods are provided with first lifting holes used for lifting the storage and transportation brackets. By means of the prefabricated composite floor slab storage and transportation bracket, the occupied area of a storage yard for prefabricated composite floor slabs is greatly saved, and dismounting and mounting are convenient to conduct; and the special lifting appliance is matched for lifting, the lifting transportation efficiency is improved, and the damage probability, generated in the lifting process, of the prefabricated composite floor slabs is lowered.

The invention provides a steel pipe rack which comprises two identical supports. Each of the supports is of a hollow structure with an upward opening. Copper pipe seats are respectively arranged in the two supports. The upper surfaces of the two copper pipe seats are indented, the upper and lower ends of indented teeth are chamfered, and the two supports are parallelly arranged and fixedly connected through two connecting rods. Ends of the two supports are provided with nuts to fix the supports, end faces of two ends of the two supports are respectively perpendicularly welded with hooks bent downwardly, and cylindrical support legs are arranged at four corners of the two supports. The steel pipe rack has the advantages that the upper surfaces of the copper pipe seats are indented, steel pipes can be stably arranged between two indented teeth and cannot move. The hooks bent downwardly are welded on the supports, which facilitates lifting and transporting of the rack. The cylindrical support legs are arranged at the four corners of the supports, so that many racks can be stacked upwards, and space is reasonably utilized.

The invention discloses a fabricated floor slab hoisting and positioning device for green building construction, and relates to the technical field of building construction. The fabricated floor slab hoisting and positioning device for green building construction comprises a base, a supporting column is fixedly mounted at the top of the base, a top plate is rotationally mounted at the top of the supporting column, a rotating plate is arranged below the top plate, and a leveling mechanism is arranged on the base. According to the fabricated floor slab hoisting and positioning device for green building construction, through cooperative use of an annular plate, a sliding rod, a movable plate and a spring, in the process that a floor slab is put in the device, the buffering force of floor slab placement can be reduced, floor slab damage is reduced, and the economic losses are reduced; the floor slab can be hoisted in four directions through a shrinkage mechanism, the stability of the floor slab in the transportation process is guaranteed, the phenomenon that the floor slab falls off when the rope is broken due to long-time use of the rope is reduced, and the safety performance of the device is improved.

The invention discloses a convenient cable winding and transportation device. The device comprises a storage cylinder; a circular upper cover plate is arranged on an upper end cover of the storage cylinder; a rotating round plate is arranged under a storage roller; a limiting round plate is arranged at the lower end of the rotating round plate, and is fixed on the inner wall of the storage cylinder; a rotating bottom ring is movably positioned in an annular rotating groove; a wire inlet round hole is formed in the middle part of one side of the storage cylinder; a limiting cylinder is positioned on the outer side of the storage cylinder and on one side of the wire inlet round hole; fixed rings fixedly sleeve the upper and lower ends of the outer side of the storage cylinder; and a metal lifting ring is fixedly welded at the upper end of a straight screw rod. The device achieves more convenience for cable transportation, is higher in transportation efficiency, saves both manpower and time, cannot generate the cable tilting phenomenon in the transportation process, can prevent damage to covers of cables, greatly improves the transportation safety, is high in practicability, and deserves popularization.

The invention relates to a prefabricated stair mold and a processing technology of a prefabricated stair thereof. The mold comprises a bottom mold body, a back mold body, a step mold body, end mold bodies and a grooving piece, wherein the back mold body and the step mold body are vertically arranged at the top of the bottom mold body; the back mold body and the step mold body are oppositely arranged; the end mold bodies are arranged at the two ends of the back mold body; a pouring cavity is formed among the bottom mold body, the back mold body, the step mold body and the end mold bodies; a reserved groove is formed in the top of the bottom mold body in the length direction of the back mold body; the grooving piece is matched with the reserved groove and arranged between the back mold body and the step mold body in the length direction of the back mold body; and the two ends of the grooving piece are connected with the end mold bodies on the two sides respectively. According to the processing technology, the mold is cleaned firstly, so that the quality of a prefabricated stair finished product after pouring is improved; and forming of the prefabricated stair is completed through one set of mold, so that mold materials are saved, and the production cost is reduced. The prefabricated stair mold and the processing technology of the prefabricated stair thereof provided by the invention has the beneficial effects that the prefabricated stair capable of being spliced can be conveniently produced, and the produced prefabricated stair is convenient to transport and install.

The invention discloses hoisting equipment used during subway construction, and relates to the technical field of mechanical equipment. The hoisting equipment used during the subway construction comprises a lifting mechanism, a supporting plate is arranged at the top end of the lifting mechanism, a hydraulic pushing mechanism is arranged on one side of the supporting plate, a through groove is formed in the supporting plate, first sliding grooves are formed in the two sides of the through groove, a sliding plate is slidably connected into the first sliding grooves, the sliding plate is connected to the piston end of the hydraulic pushing mechanism, a crane is arranged on the upper side of the sliding plate, a lifting rope penetrating through the sliding plate is arranged on the lower side of the crane, a lifting plate is connected to the lower end of the lifting rope, an arc-shaped groove is formed in the left side of the lifting plate, a limiting mechanism is arranged on the right side of the lifting plate, a double-shaft motor and a balancing weight are arranged on the lifting plate, a second sliding groove is formed in the lower side of the lifting plate, clamping plates are slidably connected to the two ends of the second sliding groove, the double-shaft motor is connected to a driving rod which is in threaded connection with the clamping plates, and a lifting hook is arranged at the bottom of the lifting plate. According to the solution, the hoisting equipment can stably convey objects to the target position.

The invention provides an enclosure device for a continuous-water maintenance connecting seam of an aqueduct. An enclosure device installed at the connecting seam of the aqueduct is included, and theenclosure device covers more than one half of the width of the aqueduct on a projection plane; second supports are arranged on the two sides of a first support in the enclosure device, one side of each second support abuts against the inner side of the aqueduct for sealing, the bottom of each second support abuts against the bottom of the aqueduct for sealing, and the bottom of the first bracket abuts against the bottom of the aqueduct for sealing; the first support and the second supports are connected in a U-shape, and the top of the enclosing device body is higher than the inner level of the aqueduct. Water in a working area enclosed by the enclosure device and the aqueduct in a sealed manner is pumped out through a water pump, and the personnel can descend to the aqueduct for constructing the connecting seam, the enclosure device is connected with the aqueduct through a rope and a pushing rod more stably, and the enclosure device does not completely stop the water flow of the aqueduct and does not affect the transportation use of the water flow; and the two-way installation and use maintenance of the enclosure device can repair the whole connection seam of the aqueduct, and theenclosure device is suitable for being popularized and applied.

The invention belongs to the technical field of bridge landing equipment and discloses a self-locking-type multidirectional deviation-rectifying hydraulic device for safe bridge landing and a use method of the device. According to the main technical features, the self-locking-type multidirectional deviation-rectifying hydraulic device comprises a box body which is provided with a rectangular sliding frame and a self-locking-type jack; and a push-pull oil cylinder fixing seat where a push-pull oil cylinder is fixed is arranged at the rear end of the rectangular sliding frame, and the push-pulloil cylinder is connected with the jack. An upper sliding plate is arranged on the bottom face of the jack, and a lower sliding plate is arranged at the bottom of the box body. A left deviation-rectifying oil cylinder fixing seat where a left deviation-rectifying oil cylinder is fixed is arranged on the left side of the box body, and a right deviation-rectifying oil cylinder fixing seat where a right deviation-rectifying oil cylinder is fixed is arranged on the right side of the box body. The push-pull oil cylinder, the left deviation-rectifying oil cylinder and the right deviation-rectifyingoil cylinder are connected with a hydraulic control system. According to the self-locking-type multidirectional deviation-rectifying hydraulic device for safe bridge landing, through adjusting in sixdirections, accurate control over bridge landing is achieved, the structure is simple, the occupied operation space is small, and jacking, lowering, pushing and pullback are stable and reliable.

The invention relates to the field of decommission of a radioactive plant chimney, and discloses a waste metal pipeline cutting device in a chimney of a radioactive plant. The device comprises a fixedring, wherein a rotatable inner gear ring is installed on the fixed ring, the inner gear ring is connected to the rotating ring, at least two clamping devices used for holding a chimney pipeline areinstalled on the fixed ring, and at least one cutting device used for cutting the chimney pipeline is installed on the rotating ring. According to the waste metal pipeline cutting device, the clampingmechanism and the cutting mechanism are adopted to simultaneously work for pipeline cutting; after the pipeline is cut, the cut pipeline is positioned by the clamping mechanism, so that the subsequent hoisting and transporting process is simplified.

The invention discloses a lifting and conveying device for installing an aluminum gusseted ceiling, comprising a base plate, a base plate is arranged on the base plate, a guide shaft is arranged on the base plate, a guide tube is sheathed on the outer peripheral surface of the guide shaft, and an outer side wall of the guide tube is provided with a guide shaft. Guide rack, the outer peripheral surface of the guide pipe is sleeved with a lifting pipe, the side wall of the lifting pipe is provided with an operation shell, the operation shell is communicated with the lifting pipe, the outer side wall of the lifting pipe is provided with a connecting pipe, and the end of the connecting pipe is provided with The object stage; the position of the operating shell is provided with a gear, and the gear and the guide rack are connected through the tooth slot; the outer side wall of the operating shell is provided with an operating rod, one end of the operating rod is a free end, and the other end of the operating rod and the gear pass through the connecting shaft Connection, the connecting shaft is set at the center position of the shaft of the gear. The invention can control the lifting pipe to realize vertical lifting and lowering movement along the guide pipe, so as to facilitate the lifting and conveying of the aluminum gusset ceiling.

The invention discloses a pre-tensioned deformed reinforced concrete precast main beam. The pre-tensioned deformed reinforced concrete precast main beam is characterized in that a beam body has an inverted T-shaped section and is composed of a horizontal rectangular compression-resistant part and a vertical rectangular shearing-resistant part; stirrups are embedded in the vertical rectangular shearing-resistant part; parts of the stirrups stretch out of an upper surface of the vertical rectangular shearing-resistant part; U-shaped stirrups are embedded in the horizontal compression-resistant part; U-shaped stirrup upper parts having certain length stretch out of an upper surface of the horizontal compression-resistant part; and steel strands are embedded in the horizontal compression-resistant part. A step of the pre-tensioned deformed reinforced concrete precast main beam having the inverted T-shaped section can be straightly provided with a secondary beam so that secondary beam installation is convenient. In construction, when a temporary support is arranged at a lower part of the secondary beam, no additional rebars are arranged at a loading step.

The invention relates to a switch cabinet frame structure. Bottom edges and side edges are fixedly connected so as to form a top border and a bottom border which are of the same structure, wherein thetop border and the bottom border are arranged symmetrically; at least four upright columns are fixedly connected between the bottom border and the top border, so that a frame can be formed; the innerspace of the frame is divided into various electric charmers through middle edges and partition plates; a bottom plate, a top plate, side plates, a face plate and a back plate are fixedly connected with the external side of the frame through riveting; electrical connecting holes are formed in the back plate; the upright columns, the bottom edges, the side edges and the middle sides are aluminum alloy section bars which are formed through pultrusion; and the upright columns, the bottom edges, the side edges, the middle sides and bottom beams are fixedly connected with one another through screws. The switch cabinet frame structure has the advantages of light weight, convenience in lifting and transportation, simple manufacturing process, low cost and low labor intensity of operators.

The invention relates to the field of metallurgical equipment, in particular to a continuous casting machine tundish submersed nozzle baking furnace. The continuous casting machine tundish submersed nozzle baking furnace comprises a furnace body, wherein two baking chambers are arranged in the furnace body, each baking chamber is provided with a spraying nozzle, each spraying nozzle is connected with a mixing valve, each mixing valve is connected with an air inlet pipe and a fuel gas inlet pipe, each air inlet pipe and each fuel gas inlet pipe are respectively provided with a control hand valve, an installation plate is arranged at the top of each baking chamber, a clamping groove is formed in each installation plate to fix a submersed nozzle, the furnace body is provided with a furnace door, a heat-preservation layer is arranged at the inner side of the furnace door, a flame retardant layer is arranged on the inner wall of each baking chamber, a heat preservation plate is formed at the top of the furnace body and provided with openings matched with the submersed nozzles, pulleys are arranged at the bottom of the furnace body, and pothooks are arranged at the top of the furnace body. The continuous casting machine tundish submersed nozzle baking furnace has the advantages of being safe to operate, capable of meeting production requirements, capable of guaranteeing baking quality and convenient to move and transport, saving energy and the like.

The invention relates to a protection device for an underwater oil and gas facility. The device comprises a protection main body covering the underwater oil and gas facility, wherein the protection main body is of a hollow housing structure and is manufactured through a glass fiber composite material; the upper side surface of the protection main body is provided with the hatch, and the hatch is provided with a hatch cover which can open and close the hatch; and two horizontal opposite sides of the protection main body are provided with openings for leading out pipelines of underwater oil andgas facility covered by the protection main body. According to the device, the protection main body is manufactured through the glass fiber composite material, so that the product structural design shape is diversified; the manufacturing cycle is short; a die is recyclable; the cost is low; the chemical corrosion is resistant; the mass is light; the strength is high; the design and manufacturing are flexible; the high and low temperature is resistant; and the hoisting and transporting are convenient. The device is capable of preventing the underwater oil and gas facility from being damaged bymatters falling from upper part and fishing tools.

The invention discloses an ecological management and cleaning device for coastal wetland. The ecological management and cleaning device comprises a vehicle body, the vehicle body is provided with a material feeding and lifting device, a weight screening device, at least one sea grass chopping device and a sea grass screening device. The material inlet end of the weight screening device correspondsto a material outlet of a supporting ring support, the light material outlet end of the weight screening device corresponds to the material inlet ends of the sea grass chopping devices, and the material outlet ends of the sea grass chopping devices correspond to the material inlet end of the sea grass screening device. The sea grass screening device comprises a sea grass screening rack, a fixed type sea grass screen cylinder and a rotary type sea grass outer cylinder, wherein the rotary type sea grass outer cylinder rotatably sleeves the periphery of the fixed type sea grass screening cylinder, and sea grass leakage holes are distributed in the circumferential outer wall of the fixed type sea grass screening cylinder. The device is reasonable in structural design, the device space is saved, sea grass, light garbage and other materials easily floating on water are separated from shells, stone and other materials, then, the sea grass is chopped and separated, and separation and collection of the sea grass and the light garbage are achieved.

The invention discloses an assembly-type temporary road plate which consists of safe edge angle steel, hoisting rings, hoisting holes and reinforced concrete therein, which are positioned at the upperand lower edges on two sides, wherein the hoisting holes are arranged in the road plate and have square groove shapes, the hoisting rings are arranged in the hoisting holes, two ends are fixed on theside walls of the hoisting holes, a reinforcing steel bar therein comprises a load-bearing reinforced steel bar, a hole opening reinforcing rib and a radiation rib, the hole opening reinforcing rib is arranged on one sides of the hoisting holes, and the radiation rib and the load-bearing reinforced steel bar are arranged at positions close to the hoisting holes in a crosswise connected manner. The road plate has the advantages that a road assembled by the plate is firm and durable, road surfaces with different widths can be assembled according to requirement, the road plate is convenient to hoist and transport, the turnover times are more, the cost is saved, the economical benefit is remarkable, and the road plate is meet the requirement on 'a green four sections'.

A universal box body of a van with a liftable ceiling comprises a bottom frame, a lower box body, an upper box body, a lifting driving mechanism and a carriage ceiling curtain pulling mechanism, the bottom frame is a steel structure rectangular frame, and four detachable supporting legs are installed on the lower portion of the bottom frame; the lower box body comprises four steel structure main stand columns and four steel structure side stand columns. The upper box body comprises a box top side reinforcing frame, four upper box body top stand columns and a box top front corrugated board. The upper box body is connected with the lower box body through a moving pair, a logistics worker controls the lifting driving mechanism through manpower, then the upper box body ascends and descends relative to the lower box body, and the transfer requirements of van trucks of different specifications are met by changing the rated volume of the box body. The compartment ceiling curtain pulling mechanism comprises an aluminum alloy rail, a waterproof piece, a compartment top curtain pulling front fixing cross beam, a ceiling cross rod bearing frame and a ceiling cross rod, a compartment top curtain pulling is flexibly folded and opened on the aluminum alloy rail through the ceiling cross rod, and hoisting, loading and unloading of heavy objects are facilitated.

The invention discloses a quick connection method for prefabricated steel pipe constraint type steel concrete pier columns and a cover beam. The method comprises the steps that when the steel concrete cover beam is prefabricated, reserved holes used for connecting the two elements are formed in the portions, corresponding to the pier columns, of the steel concrete cover beam; at the bottom interfaces of the steel pipe constraint type steel concrete pier columns and the cover beam, profile steel flange plates extend to the positions under stressed reinforcing steel bars arranged at the top of the cover beam, steel pipes at the peripheries of the pier columns do not extend, and steel bars connected with the cover beam need to be embedded in stand column sections at the top ends of the pier columns, wherein the anchorage length of the steel bars and the depth that the steel bars are embedded into the cover beam need to meet the related bridge design specification construction requirements; transverse steel bars are arranged in profile steel flange plate anchorage holes formed in the reserved holes of the cover beam in a penetrating mode and connected together with the steel bars arranged at the peripheries of the reserved holes of the cover beam, and concrete is poured in the reserved holes. According to the method, the problems that the construction occupation site is large, the construction period is long, part of connection work procedures are trouble, and welding is difficult are solved, the connection reliability and bearing capacity of this kind of bridge piers are guaranteed, and the resistance, the shock resistance and the rigidity of the bridge piers are improved.

The invention discloses a steel plate spring station turnover frame which is characterized in that the lower portions of four square tubes are connected through four first cross rods to form a square frame. A supporting rod is connected between the first cross rods of a pair of sides, lifting hooks are arranged on the outer sides of the lower portions of the square tubes, and conical heads and conical grooves are respectively arranged at the upper ends and the lower ends of the square tubes. The steel plate spring station turnover frame is used for stations generated by steel plate springs, enables the steel plate springs to be arranged in the frame in order, is convenient to transport and lift and small in storage occupied area, and reduces labor intensity of operators, thereby improving production efficiency.

The invention discloses a construction method and a structure system of a prefabricated large plate filled wall concrete structure. The prefabricated large plate filled wall concrete structure systemcomprises a cast-in-place concrete structure and a prefabricated large plate filled wall, the cast-in-place concrete structure comprises a cast-in-place concrete column, wall and beam, and the insideof the cast-in-place concrete structure is filled with the prefabricated large plate filled wall. The construction method includes the steps: firstly, mounting the prefabricated large plate filled wall serving as a peripheral protective wall and an inner wall on a certain layer of a building once, and reserving a gap between the top of the filled wall and the bottom of the cast-in-place concrete beam; secondly, setting templates such as a main structure concrete column, a shear wall, a beam and a floor slab and binding reinforcement, taking the side face of a wall plate as part of a wall column side template and pouring main structure concrete; finally, reliably connecting the top of the filled wall with the bottom of the concrete beam to reliably connect the filled wall with a cast-in-place concrete main structure. The technical problems of low construction speed, poor quality and integrity, difficulty in hoisting and the like of a prefabricated large plate filled wall in a traditional construction mode are solved.