87results about How to "Good for turnover" patented technology

The invention discloses a pre-embedding construction method for a distribution box with rows of pipes, and a support device, and relates to a pre-embedding construction method for distribution pipes and a distribution box of a masonry wall in building engineering. The construction method comprises the following steps of: fixing the distribution box at a design position by using a temporary platform; installing rows of distribution pipes on the upper part of the distribution box; suspending the distribution box by using the installed distribution pipes, removing the temporary platform, and installing distribution pipes on the lower part of the distribution box to ensure that the distribution box is fixed in the vertical direction; constraining the rows of distribution pipes and the distribution box in the horizontal direction by using steel bars which stretch into the masonry wall; controlling the degree of the distribution box stretching out of the wall by using a formwork fixing system; and pouring concrete to firmly fix the distribution pipes and the distribution box so as to fulfill the aim of accurately installing the distribution box in an embedded mode. The device is provided with a transverse steel pipe component, an upper steel pipe component, a lower steel pipe component, a lower supporting plate, a left supporting plate, an upper supporting plate and a right supporting plate.

The invention relates to the field of steel structure fabrication, in particular to an assembling jig frame for a steel structure. The assembling jig frame for the steel structure comprises a base part and support parts. The assembling jig frame is characterized in that the base part comprises base main beams and tie beams perpendicularly connected with the main beams in a bolted mode, each tie beam is divided into two sections, the two sections of each tie beam are connected by adopting a long-hole bolt, and the separation distance of the main beams can be adjusted through relative motion; each support part comprises a support bottom plate, a bottom circular tube, a support circular tube, corbels, nuts, threaded rods, a top circular tube and a bracket, the support bottom plates are connected with a base in a bolted mode, the bottom circular tubes are perpendicularly welded to the support bottom plates, the support circular tubes are inserted into the bottom circular tubes, the corbels are symmetrically welded to the two side faces of each support circular tube, the brackets are perpendicularly welded to the upper portions of the top circular tubes and inserted to the upper ends of the support circular tubes, and the brackets are in contact connection with the threaded rods which are screwed in the corbels. According to the assembling jig frame for the steel structure, the assembling precision is improved, meanwhile the geometry applicable range is greatly widened, mounting and dismounting are easy, turnover and transportation are convenient, and the assembling efficiency is improved.

The invention discloses a special-shaped column supporting system and a construction method. Template processing and production can be quickly and conveniently carried out at a construction site, andthe formation of a special-shaped column template of a section form in an arc shape or in the shape of combination of an arc and a polygon is facilitated, thereby avoiding the high transportation costof a large number of special-shaped templates and the transportation hoisting risk; the recovery rate and usage rate of the special-shaped templates are increased, the construction cost of the templates is greatly saved, materials and labor are saved, environment is protected and energy is saved, the safety factor is improved, a special-shaped column of a combined section is conveniently supported, and the construction progress is accelerated; the special-shaped column supporting system is widely used in the construction environment with small operation surfaces, strength is high, stability is good, the forming effect after removing a mold is attractive, bubbles and cracks can be prevented, and the control over various quality common problems is facilitated.

The invention discloses a slip-form flexible platform device suitable for assigning. The slip-form flexible platform device comprises a plurality of lifting frames. Holes are drilled in the upper flanges of cantilever beams on the two sides of each lifting frame respectively, circumferential reinforcements are fastened to the cantilever beams through U-shaped bolts, timber is laid on the circumferential reinforcements and tightly pressed on the circumferential reinforcements through strip pressing reinforcements to form an operating platform, and the strip pressing reinforcements and the circumferential reinforcements are bound through iron wires; sleeves are welded to the ends of the cantilever beams, holes are drilled in the portions where the sleeves are connected with steel-tube stand columns, stand column steel tubes are fixed into the sleeves through bolts, and horizontal reinforcements of protecting barriers are buckled to the stand column steel tubes through right-angle fasteners; the lifting frames are tied through the steel wire ropes, and the steel wire ropes are connected at the centers of siloes through shackles and center circles. Amortizing of slip-form equipment, material consumption and assigning cost are reduced, construction cost is reduced, and meanwhile the repeated, economical and green construction requirements are met.

The invention discloses an installation guiding and temporary fixing device of a groined beam of a sliding channel. The installation guiding and temporary fixing device comprises a temporary supporting corbel which is fixedly connected with the groined beam of the sliding channel, and is also connected with a base of a length-adjustable supporting device by bolts. The installation guiding and temporary fixing device disclosed by the invention solves the technical difficulty that after the accurate positioning construction of the groined beam of the sliding channel is finished, the accurate fixation of in-position elevation of the groined beam of the sliding channel is poor and that an unsmooth placing plane of pile tops causes difficult selection of temporary supporting cushion blocks. The installation guiding and temporary fixing device has the characteristics of compact structure and convenience in installation and disassembly.

The invention provides an assembling type floor formwork system with preset suspension reinforcing steel bars. The assembling type floor formwork system comprises a reinforcing steel bar truss (1), a template panel (2) and fixing and connecting units (3), wherein the fixing and connecting units (3) are used for connecting the reinforcing steel bar truss (1) and the template panel (2); the assembling type floor formwork system is characterized in that each fixing and connecting unit (3) comprises suspension reinforcing steel bars (4), a force bearing nut (5) and a supporting gasket (6). According to the assembling type floor formwork system of the preset suspension reinforcing steel bars, provided by the invention, a large amount of vertical supporting systems, wood square columns, large wooden flute and small wooden flutes are not needed, the template panel can be disassembled, is convenient for turnover use and is suitable for various types of templates such as plywood, wooden templates, thin steel templates, thick steel templates and plastic templates, and the problems of large amount of labor employment, serious waste and the like of a concrete floor formwork can be solved.

The invention relates to a stable lifting type operating platform for infrastructure construction. The stable lifting type operating platform for the infrastructure construction comprises a base assembly comprising a base plate and limiting support legs, a guard assembly comprising upright posts, left and right cross rods, a top reinforcing enclosure frame and left and right lifting upright postsprovided with limiting guide grooves, a lifting platform assembly comprising a platform bottom plate, up-down and left-right meshing screw buckles, a lower anti-vibration pad and a guard rail, and a lifting driving assembly comprising a servo motor, a driving gear, left and right driven gears and left and right threaded screw rods, wherein the servo motor is controlled to rotate forwards and reversely as required to drive the driving gear to drive the left and right driven gears engaged with the driving gear to rotate synchronously, so that the left and right threaded screw rods engaged with the driven gears are driven to revolve, the up-down and left-right meshing screw buckles engaged with the left and right threaded screw rods are driven to drive the lifting platform assembly to move upand down stably as a whole, construction operation requirements at different heights are met, the stable lifting type operating platform is reasonable in structure, standard and stable in product, safe and reliable in work, convenient to use and capable of being circulated, is an innovative standard product in the field and has very high practicability.

The invention relates to a self-made detachable trolley for transporting and placing gas cylinders in a construction site and a making method thereof. A frame of the self-made detachable trolley is a right triangle-shaped frame which is formed by vertically connecting a horizontal U-shaped chassis and a vertical U-shaped support; a pair of parallel bracing girders is connected between the two side ends of the horizontal U-shaped chassis and the vertical U-shaped support; the bottoms of the two bracing girders are provided with circular arc supporting strips; the lower ends of the bracing girders are vertically provided with steel supporting plates; arc-surface shielding plates are mounted on the two bracing girders; the bottom end of the vertical U-shaped support is provided with a rear wheel; and the bottoms of the two bracing girders are provided with front wheels. The invention is advantaged in that the self-made detachable trolley has simple structure; mixed placement phenomenon is effectively avoided because one gas cylinder is transported by one trolley; as the lengths of the bracing girders are adjustable, the self-made detachable trolley is suitable for various gas cylinder dimensions or heights of trolley pushing people; the self-made detachable trolley is used as a transporting tool and can be also used as a placing tool for vertically and fixedly placing the gas cylinder after the gas cylinder is transported to the construction site; therefore, the self-made detachable trolley has multiple functions; and as the self-made detachable trolley can be fully made of leftover materials and members are connected with each other in an assembled way, the self-made detachable trolley is convenient to mount and detach, low in cost and recyclable.

The invention provides an assembling type floor formwork system with preset anchor nuts. The assembling type floor formwork system comprises a reinforcing steel bar truss (1), a template panel (2) and fixing and connecting units (3), wherein the fixing and connecting units (3) are used for connecting the reinforcing steel bar truss (1) and the template panel (2); the assembling type floor formwork system is characterized in that each fixing and connecting unit (3) comprises a lifting point nut (4) and a force bearing screw rod (5), the lifting point nut (4) is fixedly connected to a lower-chord main reinforcement of the reinforcing steel bar truss (1), the force bearing screw rod (5) comprises a screw rod (6) and a gasket (7), and the screw rod (6) is screwed in the lifting point nut (4) after sequentially penetrating through the gasket (7), the template panel (2) and a concrete protecting cover. According to the assembling type floor formwork system with the preset anchor nuts, provided by the invention, the reinforcing steel bar truss and the template panel are movably connected by utilizing the lifting point nut, the turnover use of building materials such as the template panel is convenient, and the problems of large amount of labor employment, serious waste and the like of a concrete floor formwork are solved.

The invention belongs to the technical field of box girder formworks, particularly relates to a box girder formwork for municipal road and bridge building construction, and aims to solve the problems that a steel frame supporting structure of an existing box girder formwork is insufficient in supporting stability of the box girder formwork, a steel frame needs to be fastened through fasteners during mounting, and time is wasted during mounting due to the fact that the steel frame is large. In order to solve the problems that an existing box girder is inconvenient to disassemble and inconvenient to use in a turnover mode, the following scheme is provided: the box girder comprises a supporting base and a box girder bottom plate, sliding grooves are formed in the two sides of the top of the supporting base, sliding plates are slidably mounted in the two sliding grooves, abutting plates are fixedly mounted at the tops of the two sliding plates, and the two abutting plates movably abut against the two sides of the box girder bottom plate correspondingly. The supporting structure of the box girder formwork is convenient to mount and dismount, so that the mounting efficiency is improved, the supporting structure is convenient to use in a circulating mode, and the overall stability of the box girder formwork is improved by pressing and positioning the box girder formwork.

The invention discloses a concrete flow guider for pouring in a long and narrow space and a using method thereof. The concrete flow guider comprises a feeding chamber, a positioning adjusting device, bottom supporting rods, three-face fences, a micro-distance adjusting device and butterfly nuts; the feeding chamber is arranged at the top of the positioning adjusting device and connected with the positioning adjusting device; the bottom supporting rods are symmetrically arranged on the two sides of the positioning adjusting device and fixedly connected with the positioning adjusting device; the three-face fences are a pair and symmetrically arranged on the two sides of the positioning adjusting device; and the micro-distance adjusting device is hinged to the bottoms of the three-face fences. The concrete flow guider is easy to operate, capable of being moved fast and convenient to disassemble and assemble, turnover use of the concrete flow guider for pouring in the long and narrow space is achieved, the flow guiding effect is good, the situation that a pump pipe shakes left and right due to large impact force during pouring in construction of a cast-in-place structure is avoided, the construction quality is guaranteed, and concrete is saved.

The invention discloses an assembly type steel hanging box structure, and relates to the field of civil engineering equipment. The steel hanging box structure comprises a bottom plate, a wall body andan assembly type truss structure, the steel hanging box structure is composed of three main body structures, namely the wall body, the bottom plate and the assembly type truss structure, all the three main body structures are connected into a whole through detachable connecting pieces such as anchor bolts, bolts, pin shafts and nuts, assembly type connection of a whole hanging box is achieved, and the steel hanging box structure can be detached for turnover use after construction.

The invention provides a convenient-to-turnover supporting device for river cofferdam construction, which comprises a main body supporting framework, the main body supporting framework comprises a supporting bottom plate and two storage pipes, the two storage pipes are vertically and fixedly arranged on the supporting bottom plate in an infinity shape, a rotating shaft capable of freely rotating is arranged in each storage pipe. A strip-shaped opening is formed in one side of each storage pipe, a set of fence assembly is arranged in each storage pipe, and each set of fence assembly comprises an outer supporting plate, a steel wire rope, a first supporting rod and a second supporting rod. The supporting device can be stored, so that the supporting device is convenient to transport and recycle, and furthermore, the first supporting rod, the second supporting rod and the outer supporting plate are provided with auxiliary fixing devices, so that the large-span design of the fence assembly can be realized, and the fence assembly is stably placed on the ground.

The invention provides an annular strip bracket concrete template device and bracket concrete templates. The annular strip bracket concrete template device comprises steel pipe bents. The steel pipe bents support the bracket concrete templates through I-shaped steel. In the bracket concrete templates, each template is in a shape of a toppled L and comprises a vertical arc-shaped panel and an inclined sector-shaped panel, the upper end of each vertical arc-shaped panel is connected with the lower end of each inclined sector-shaped panel, and a rib plate and a supporting frame are arranged on the back of each template. A vertical bulk template is arranged above each bracket concrete template and fixedly connected with poured concrete through a template brace. A ring is defined by a plurality of bracket concrete templates and a plurality of bulk templates, and the bracket concrete templates and the bulk templates are connected through purlins. The templates in the shape of the toppled L are matched with the bulk templates, a drawing down portion of annular strip bracket concrete can be molded very conveniently, the templates are made accurately, joints between the templates are tight, the concrete molded through pouring is graceful in figure and high in appearance quality, and the templates can be reused.

The invention relates to the technical field of shunting devices, in particular to a temporary road rescue shunting device. The device includes a central column, the bottom surface of the central column is in threaded connection with a supporting rod; base plates are arranged at the bottom ends of the supporting rods; connecting rings are arranged on the surface of the base plate and the top faceof the central column, a winding and unwinding groove is formed in the surface of the central column, a winding column is rotationally connected to the bottom face of the winding and unwinding grooveand penetrates through the top plate of the central column, a winding assembly is arranged on a rod body of the winding column, a splicing plate is pulled by the winding assembly through a warning tape, and a metal adsorption plate is arranged on the surface of the splicing plate. The temporary road rescue shunting device has the beneficial effects that when the temporary road rescue shunting device is in a contraction state, the temporary road rescue shunting device is small in size, capable of being stored in a trunk of a rescue vehicle, convenient to carry and use in a turnover mode, easy to unfold and assemble, high in assembling speed and suitable for temporary rescue.

The invention relates to shear wall formwork opposite-pull connecting pieces and a formwork reinforcing structure thereof, and belongs to the technical field of wall formwork reinforcing. The shear wall formwork opposite-pull connecting pieces are arranged in pairs when used and comprise cable-stayed reinforcing assemblies and straight-pull reinforcing assemblies, wherein the cable-stayed reinforcing assemblies and the straight-pull reinforcing assemblies are detachably connected together, the cable-stayed reinforcing assemblies are used for being arranged on two adjacent shear wall formworksto conduct cable-stayed reinforcing on the two adjacent shear wall formworks, and the straight-pull reinforcing assemblies are used for conducting opposite-pull reinforcing on the two shear wall formworks which are arranged in parallel at intervals. The shear wall formwork reinforcing structure comprises the shear wall formworks and the shear wall formwork opposite-pull connecting pieces. According to the shear wall formwork opposite-pull connecting pieces and the formwork reinforcing structure thereof, the shear wall formworks can be reinforced in the oblique direction and the horizontal direction simultaneously, materials are saved, meanwhile, when concrete is poured, the shear wall formworks cannot float upwards and be expanded, and therefore the quality of a formed shear wall is guaranteed.

The invention provides an assembling type operation platform capable of adjusting a shell vertical degree and an operation method. The platform comprises a detachable base platform, a platform plate,an adjusting device and a laser vertical meter. The platform plate is placed on the base platform, a shell structure to be mounted is placed on the platform plate, a limiting device is arranged at theposition, making contact with the shell structure, of the platform plate, the length of the adjusting device is adjustable, the upper end of the shell structure to be mounted is connected with one end of the adjusting device, the other end of the adjusting device is connected with the platform plate, and the laser vertical meter is located on the side face of the shell structure and is used for measuring the vertical degree of the shell structure. According to the assembling type operation platform capable of adjusting shell vertical degree, angle adjusting o the shell structure can be easily, accurately and rapidly finished, the need for the construction site is low, material assembling and disassembling are easy, circulation use is achieved, meanwhile, the adjusting precision is high, and the platform is suitable for being used and popularized.

The invention relates to a derrick men quick-mounting working platform and a manufacturing and mounting method thereof. The derrick men quick-mounting working platform is suitable for being mounted on a single-row scaffold; the single-row scaffold consists of a transverse rod and a vertical rod on a facade; the derrick men quick-mounting working platform comprises a working platform plate, a horizontal fastener and a vertical fastener, wherein the working platform plate is arranged horizontally; one side of the working platform plate is fixed on the transverse rod through the horizontal fastener, and the other side of the working platform plate is suspended; one end or two ends of the working platform plate are fixedly connected with the vertical rod through the vertical fastener; the vertical fastener consists of a lock catch and a connecting rod part; the vertical rod above the working platform plate is locked by the lock catch; the connecting rod part is in cable-stayed connection between the vertical rod and the working platform plate; one end of the connecting rod part is fixedly connected with the lock catch; the other end of the connecting rod part is fixedly connected with an extended end of the working platform plate. By adopting the derrick men quick-mounting working platform, a working platform can be rapidly, conveniently and firmly erected on the single-row scaffold, construction of operators can be facilitated, and the construction efficiency and the construction security can be greatly improved.

The invention relates to the technical field of pipeline grouting, in particular to a dynamic sealing grouting cover and a using method thereof. The dynamic sealing grouting cover comprises a straight pipe. A cover plate is arranged at one end of the straight pipe. A sealing part is arranged between the straight pipe and the cover plate. The length of the cover plate in the transverse direction of the straight pipe is not smaller than the outer diameter of the straight pipe. A fastener is arranged on the face, away from the straight pipe, of the cover plate. The fastener and a beam body embedded anchor bearing plate are connected through bolts. The beam body embedded anchor bearing plate is matched with the end, away from the cover plate, of the straight pipe through the sealing part. Dry hard mortar is arranged in a closed space formed by the straight pipe, the cover plate, the sealing part and the beam body embedded anchor bearing plate. Small gaps between the straight pipe and the beam body embedded anchor bearing plate can be blocked through the sealing part when the bolts are screwed, and under the action of the grouting pressure and grout, the small gaps can be filled and blocked with tiny particles in the dry hard mortar, so that the sealing performance of the grouting cover can be reinforced dually.

The invention relates to an assembled under-column foundation. The assembled under-column foundation comprises a box body formed by splicing weather-resistant steel plates, wherein vertical tie bars are arranged in the box body; horizontal reinforcing ribs which are arranged in a crisscross mode are arranged in the box body; a lower-layer anchor plate, connecting sleeves and anchor bars are arranged in the box body; the connecting sleeves are welded to the lower end of the lower-layer anchor plate; the anchor bars are in threaded connection with the connecting sleeves; bolt connecting holes used for being connected with stand columns are formed in the lower-layer anchor plate; a PVC pipe or a steel pipe is arranged in the box body in a penetrating mode; and concrete is poured into the boxbody. The assembled under-column foundation can be produced in batches in a factory according to standard parts, the weather-resistant steel plates are resistant to corrosion in use, paint coating andother anti-corrosion measures are not needed, and the durability is good. The assembled under-column foundation has the advantages that the bearing capacity is large, manufacturing, mounting and construction are easy and fast, energy saving and environmental friendliness are achieved, materials are saved, the construction progress is accelerated, the construction period is shortened, and turnoveruse is facilitated.

The invention belongs to the technical field of building machinery, particularly relates to a fabricated building supporting seat, and provides the following scheme aiming at the problems that an existing supporting seat is poor in fixing effect, easy to deviate in the using process and influence the supporting effect, and meanwhile, the supporting seat is easy to damage when suddenly stressed. The device comprises a bottom plate, a buffer assembly, a mounting assembly and a lifting assembly, two fixing holes are symmetrically formed in the bottom plate, the top of the bottom plate is connected with the buffer assembly, a connecting seat is mounted at the top of the buffer assembly, the top of the connecting seat is connected with the mounting assembly, and the lifting assembly is connected with the mounting assembly. According to the building equipment supporting seat, an existing supporting seat is improved, so that effective buffering protection can be provided when the building equipment is mounted, the building equipment can be prevented from being damaged, meanwhile, the mounting height position of the building equipment can be conveniently adjusted, and the good practicability is achieved.

The invention provides an operation shed for nuclear power equipment maintenance, multiple horizontal telescopic rods, multiple vertical telescopic rods and multiple three-way connectors are spliced to form the shed body framework, the multiple pieces of fireproof cloth cover the top face and all the side faces of the shed body framework, and the operation space completely isolated from the outside is formed in the shed body framework. Dust diffusion, spark splashing or molten welding slag splashing during cutting, grinding and welding operation is avoided, erecting of an operation shed is facilitated, and the operation efficiency is improved. The second horizontal splicing heads are rotatably installed on the connecting bases, the horizontal telescopic rods can be spliced into different polygons through the three-way connectors according to needs, then a columnar shed body framework is formed through connection of the vertical telescopic rods, and the erecting shape of the operation shed can be conveniently selected according to field space adaptability. The application of the operation shed in a nuclear power plant is not limited, and the universality is high. The height, the length and the width of the greenhouse body framework can be adjusted in a telescopic mode, rapid disassembly can be achieved, and carrying and turnover use are convenient.

The invention discloses an ore sampling device for mining, which includes a frame body, a chute, a water storage tank, a water injection bucket, a water pump, a pulley, a mounting plate, a fixing screw, a telescopic device, a No. 1 motor, a water injection valve, a drill bit, and a mallet , spring, No. 2 motor, plastic hose, cam and rotating wheel, use the chute starting from the upper part of the frame to move the drilling device in place, and the No. 1 motor connected to the mounting plate is used to drive the drill bit to realize sampling. The water source of the above-mentioned water injection valve is provided by the water storage tank provided at the bottom of the frame body. The water in the water storage tank is pumped out by the water pump fixed at the bottom of the frame body and sent to the water injection valve to realize the water supply for the drill bit. After the sampling is completed, use The knocking device knocks out the ore sample inside the drill bit. Rotating wheels are arranged at the bottom of the frame body, so that the sampling device has a moving function, which is convenient for turnover.

The invention relates to the technical field of concrete construction, in particular to an adjustable turnover formwork at a concrete floor slab construction joint. Comprising two groups of anti-slurry-leakage steel formworks which are arranged in a mirror symmetry mode in the horizontal direction, the section of each anti-slurry-leakage steel formwork is in an L shape, vertical panels of the two groups of anti-slurry-leakage steel formworks are hinged through hinges, and horizontal panels of the two groups of anti-slurry-leakage steel formworks are connected into a whole through connecting sealing plates. A plurality of strip-shaped openings are formed in a vertical panel of the slurry leakage steel formwork at equal intervals, profiled steel sheet grooves are fixedly formed in the positions, corresponding to the strip-shaped openings, of the interior of the slurry leakage prevention steel formwork, slurry leakage prevention sliding plates used for leaking the strip-shaped openings are arranged in the profiled steel sheet grooves in a sliding mode, holes are formed in the slurry leakage prevention sliding plates, and rubber telescopic buckles are fixedly embedded in the holes. The device is good in supporting performance, excellent in grout leakage prevention performance and capable of being quickly mounted, dismounted and recycled, cost is remarkably saved, and the construction period is shortened. The adjustable turnover formwork is mainly applied to the aspect of the concrete construction joint adjustable turnover formwork.

The invention discloses an energy-saving watering device for mushroom planting, which comprises a base, an extension plate, a slide rail and a water tank. A storage groove is arranged on the side wall of the base, and an extension plate is plugged into the storage groove, and the extension plate is in a storage position. One end inside the slot is fixedly connected with a baffle, the surface of the baffle is plugged with a guide rod, the guide rod is fixedly connected to the inner wall of the closing structure provided at the notch of the storage tank, and the other end surface of the extension plate is fixedly connected The surface of the limit rotation rod is connected with a sliding wheel, the baffle plate and the storage slot are fixedly connected with a tension spring, and the bottom surface of the base is screwed with a locking screw, and the locking screw runs through the base and the extension plate at the same time. The outer wall is set; the watering equipment proposed by the present invention does not need to lay water pipes inside the mushroom greenhouse, and the mushrooms on the planting frame can be watered by manpower pulling, so as to avoid the waste of water sources.

The invention belongs to the technical field of turnout laying replacement. A turnout laying replacement vehicle comprises a travelling frame, a rotary frame and a weight bearing frame; travelling assemblies are arranged at the bottom of the travelling frame; the rotary frame is rotatably arranged on the travelling frame in a supporting manner; the weight bearing frame is fixedly arranged on the rotary frame; weight bearing seats are arranged on the weight bearing frame in a sliding manner. A railway turnout laying replacement system comprises a turnout laying replacement machine set, the turnout laying replacement vehicle and a control system. The turnout laying replacement vehicle and the railway turnout laying replacement system are reasonable in overall structural design; the supporting of an assembled sleeper is realized; meanwhile, when the turnout laying replacement vehicle and the railway turnout laying replacement system travel on a track with certain radian, the direction ofthe sleeper can be adjusted effectively by the actions of rotating and sliding, so that stable supporting of the sleeper is met; the assembled sleeper is prevented from deviating on a plurality of groups of turnout laying replacement vehicles; according to the application, the stress condition of the turnout laying replacement vehicle can be reasonably optimized and adjusted so as to guarantee full contact between the sleeper and the turnout laying replacement vehicle.

The invention discloses a high-rise building winter construction method based on automatic heating maintenance of hot water coils. The constructed high-rise building is of a frame structure, and during construction of the constructed high-rise building, maintenance is performed by adopting an automatic hot water coil heating maintenance system, and the construction process comprises the following steps: 1, constructing a bearing structure of the bottom floor and floor slabs and performing automatic heating maintenance on the bearing structure and floor slabs; 2, constructing a bearing structure of the second floor and floor slabs and performing automatic heating maintenance on the bearing structure and floor slabs; 3, constructing a bearing structure of the third floor and floor slabs and performing automatic heating maintenance on the bearing structure and floor slabs; 4, constructing the last floor, namely constructing the bearing structure and floor slabs, removing an automatic floor heating maintenance device and performing automatic heating maintenance on the bearing structure and floor slabs; and 5, repeating the step 4 for several times until the construction process of all floors is completed. The method disclosed by the invention is simple in steps, reasonable in design, easy and convenient in construction and good in using effect, the high-rise building winter construction quality can be effectively guaranteed, and the winter construction efficiency is improved.