1216 results about "Structural system" patented technology

The invention relates to a machine learning-based scouring damage bridge buckling load prediction method and system, and belongs to the technical field of machine learning and structural engineering. The prediction method comprises the steps of obtaining original data, preprocessing the original data, constructing a LightGBM machine learning model, and evaluating and verifying the constructed model by adopting multiple performance evaluation indexes. According to the method, key variables such as bridge structure parameters and foundation soil physical property indexes are comprehensively considered, a large sample database covering a large number of scouring combinations is constructed, and the critical buckling load of the structure is accurately calculated as an output target by using a pier-bearing platform-pile structure system buckling analysis method after scouring damage based on an energy method. A multivariable nonlinear mapping relation is established in combination with an ensemble learning algorithm, traditional complex calculation is replaced, and the method has good engineering adaptability and universality and can be suitable for rapid prediction of the buckling bearing capacity under different parameter bridges, different foundation forms and complex scouring conditions.

The invention relates to an underground assembly structure optimization method, equipment and a medium, and relates to underground space structure optimization. The method comprises the following steps: acquiring urban stratigraphic property related data; according to the urban stratum property related data and the use requirements of underground assemblies, on the basis of meeting preset design conditions and constraint conditions, traversing structural systems, component types and layouts in a pre-storage range, and constructing various underground assembly type structure design schemes; determining comprehensive anti-seismic capacity values of different underground assembly type structure design schemes; and determining an optimal underground assembly structure design scheme by adopting a preset multi-objective optimization algorithm according to the various underground assembly structure design schemes and the multi-objective optimization model. According to the method, the influences of stratum properties, use requirements and dynamic loads can be comprehensively considered, the reliability performance of the design scheme is accurately evaluated through systematic reliability analysis, and the safety risk is reduced; and the disaster resistance of the underground assembly in natural disasters such as earthquakes and the like is improved.

The invention discloses a pushing support structure spanning a high-speed large-span steel box girder and a construction method, and relates to the technical field of steel box girder construction. Comprising an assembling support and a pushing support, and the assembling support and the pushing support are arranged at the bottom of a steel box girder; the assembling support comprises a concrete independent foundation, a temporary support is installed on the concrete independent foundation, and a profile steel distribution beam is installed on the top of the temporary support. The pushing support comprises a concrete enlarged foundation, multiple sets of stand columns are installed on the concrete enlarged foundation, and transverse distribution beams are installed at the tops of the stand columns. A longitudinal pushing platform is mounted at the top of the transverse distribution beam, and a walking type pushing piece is fixedly mounted on the longitudinal pushing platform; a plurality of groups of steel box girders are arranged, and at least six steel box girders are spliced in each group; the steel box girders are distributed in an arc shape; a guide beam is installed in the advancing direction of the steel box beam. According to the steel box girder pushing support structure system, highway passing is not affected, and the steel box girder pushing support structure system is economical, firm and stable.

The invention provides a steel box structure, a steel box girder, a movable modular steel box girder bridge and a manufacturing method, and relates to the technical field of bridge steel boxes, the steel box structure comprises a steel box, the steel box girder formed by combining the steel box structure and the movable modular steel box girder bridge comprising the steel box girder, the steel box is of a closed box body structure formed by welding a top plate, a bottom plate, webs, transverse partition plates and reinforcing transverse ribs, U-shaped longitudinal stiffening ribs and I-shaped longitudinal stiffening ribs are welded to the top plate and the bottom plate in the longitudinal direction respectively, the transverse partition plates and the reinforcing transverse ribs are arranged in the box body at certain intervals in the longitudinal direction of the bridge, a plurality of splice plates are arranged on the outer sides of the webs, and the splice plates are connected with the U-shaped longitudinal stiffening ribs and the I-shaped longitudinal stiffening ribs. And the two transversely adjacent steel box girder sections are connected through the connecting plates by adopting high-strength bolts. The structure system is simple and reliable, has high bearing capacity and high mounting and moving speed, and solves the problems that strip mine passing vehicles are large in load, the bridge arrangement position needs to be adjusted frequently, and a traditional structure is high in investment.

The invention relates to a wall type-double column combined pier structure system, and belongs to the technical field of bridge engineering. The structure system mainly comprises a cover beam, a swinging pier, a replaceable corrugated steel web wall, a pier bottom energy dissipation device, a swinging steel base, a bearing platform, an unbonded prestressed tendon and the like. A pier bottom energy dissipation device is arranged on the lower portion of the swing pier and composed of energy dissipation steel bars, an outer wrapping steel plate, a bottom steel plate and fixing lug plates. A replaceable corrugated steel web wall is arranged between two piers, and an upper flange plate is directly installed on a cover beam through embedded high-strength bolts and fixed to a bearing platform through a swing steel base. Unbonded prestressed reinforcements penetrate through the center positions of the swinging bridge piers. According to the structural system, a collaborative energy consumption-graded swing mechanism of'corrugated steel web wall deformation energy consumption-corrugated steel web wall swing-pier swing and energy consumption 'is formed under the earthquake action, earthquake energy can be dissipated more effectively, structural residual deformation is reduced, and the structural shock resistance and function restorability are improved.

The utility model relates to a lining steel pipe diversion tunnel curve section installation system which comprises a lining steel pipe, a horizontal assembling jig frame used for turning over a lining steel pipe welding stiffening ring and a moving trolley used for climbing pipes in a tunnel and assisting in butt joint of the lining steel pipe. The horizontal assembling jig frame has the advantages that the driving machine is arranged in the horizontal assembling jig frame to achieve synchronous rotation of the lining steel pipes, the limiting arms capable of being elastically opened and closed are arranged, the assembling and disassembling efficiency of the lining steel pipes is improved, the horizontal assembling jig frame can flexibly control the distance based on the rails, the overall installation effect is higher, consumed time is shorter, and the assembling and disassembling efficiency is improved. The traditional vertical assembling mode that the steel pipes are externally provided with stiffening rings is changed, and the practical value is high; a structural system of assembling type inner support section steel combined adjustable support rods is adopted to replace a traditional fixed welding umbrella-shaped inner support, and the field construction efficiency is improved.

The invention relates to the field of railway tunnel construction, in particular to an unsymmetrical soft rock large-deformation tunnel supporting structure system and a construction method thereof. Comprising the steps of 1, establishing a primary support deformation database; 2, selecting different positions to reserve deformation characteristic values; thirdly, a primary support section is independently designed; fourthly, primary support construction is independently designed; step 5, performing section construction at the initial stage of the original design; sixthly, compensation grouting is conducted; and seventhly, secondary lining construction is conducted, the first step to the seventh step are repeated for multiple times, and the large deformation section of the soft rock is biased. The problem of repeated arch changing treatment of the soft rock bias tunnel can be prevented and reduced, the situation that when the tunnel primary support deforms, the whole section is synchronously enlarged, and secondary lining concrete in part of a section is seriously overconsumed is avoided, the construction efficiency is improved, and the cost is saved.

The utility model relates to a cold-formed thin-walled steel fabricated structural system, and belongs to the technical field of structural engineering. Comprising combined joints, module main beams, module columns and module secondary beams. Column sleeves are arranged at the upper end and the lower end of the combined joint, a center joint is arranged between the column sleeves, horizontal partition plates are welded between the column sleeves and the center joint, a vertical end plate is welded to each side of the outer surface of the center joint, materials such as concrete can be poured into columns, and the bearing capacity and integrity of the combined joint are improved. The connecting sleeve has the beneficial effects and advantages that the connecting sleeve is small in size, light in weight and convenient to transport and hoist, the machining time is greatly shortened, the machining quality is guaranteed, modular design, factory production and specialized installation are integrally achieved through standardized modular production of components and the connecting sleeve, field assembly is simple and efficient, and the production efficiency is improved. The purposes of reducing labor, shortening the construction period and saving cost are achieved, and industrialization development of the fabricated building is promoted.

The invention discloses an anti-seismic strengthening method and system suitable for historical buildings, and relates to the technical field of existing building strengthening. The invention discloses an anti-seismic reinforcement system suitable for historical buildings. The anti-seismic reinforcement system comprises a data modeling module, a risk assessment module, a disturbance analysis module, a buffer decision module, a reinforcement early warning module, a component reinforcement decision module, a collaborative reinforcement decision module and a scheduling optimization module. According to the method, the linkage stress relation and the collaborative response characteristics are identified by establishing the structure coupling model of the adjacent buildings and a strength correlation analysis method, and a theoretical basis and a judgment standard are provided for collaborative reinforcement of cross-building units; the collaborative reinforcement strategy is generated according to the linkage requirement, the collaborative mode and the deployment position are defined, and the overall coordination of the community-level reinforcement scheme and the linkage toughness of the structural system are enhanced.

The invention discloses a construction method of an aluminum alloy formwork system for residential buildings. According to the construction method, the difficulty of assembly and disassembly construction and turnover use of aluminum alloy formworks can be reduced, and the construction quality and the construction efficiency of an assembly type structural system are improved. The construction method comprises the following steps: rechecking an axis and a wall line projected by a wall body according to a building design scheme, so that the axis and the wall line meet construction requirements; determining a wall body vertical reference line, and positioning a wall corner; a wall formwork system is installed, and perpendicularity is corrected; a beam formwork system is installed and corrected; a floor formwork system is installed and corrected; wall body concrete, beam body concrete, column concrete and floor slab concrete are poured, so that the wall body, the beam body, the column and the floor slab are connected into an integral structure; and the wall formwork system, the beam formwork system and the floor formwork system are dismantled, and the dismantled wall formwork system, the dismantled beam formwork system and the dismantled floor formwork system are conveyed to an upper-layer building for construction through a feeding opening.

The invention provides a full-tension spoke type crossed cable truss structure system and a construction method thereof, and relates to the technical field of building structures, the full-tension spoke type crossed cable truss structure system comprises a first supporting column system, a second supporting column system, a first pressing ring beam, a second pressing ring beam, a first crossed cable net, a second crossed cable net, a first inner ring cable structure, a second inner ring cable structure, slings and a diagonal bridging, the first pressing ring beam is fixedly connected with the first supporting column system, one end of the second supporting column system is fixedly connected with the first pressing ring beam, the other end of the second supporting column system is fixedly connected with the second pressing ring beam, the first crossed cable net is connected with the first pressing ring beam and the first inner ring cable structure, and the second crossed cable net is connected with the second pressing ring beam and the second inner ring cable structure. The sling is connected with the first crossed cable net and the second crossed cable net, and the diagonal bridging is hinged to the first supporting column system and the second supporting column system. The method has the beneficial effects that compressive yield failure is avoided, the method can adapt to complex load conditions, the force transmission path is clear, and the rigidity requirement of a super-large-span structure is met.

A staggered and stacked modular structure system is mainly characterized in that a plurality of rectangular module units are staggered and stacked to form a multi-layer rectangular main body structure, each rectangular module unit comprises a cross beam, a stand column and a connecting piece, each connecting piece comprises a connecting plate, a C-shaped inserting block and a C-shaped inserting cylinder, the C-shaped inserting blocks and the C-shaped inserting cylinders are connected to the connecting plates, and the C-shaped inserting blocks can be inserted into the C-shaped inserting cylinders; the two ends of the stand columns are welded to the connecting plates of the connecting pieces correspondingly, the two ends of the cross beams are welded to the C-shaped inserting cylinders of the connecting pieces correspondingly, grouting spaces are formed after the connecting pieces of every two vertically-adjacent rectangular module units are connected in an inserted mode, and the two rectangular module units are connected through grouting. In order to better transmit the bending moment of the stand column, the inserting block is designed to be in a C shape, and the inserting structure of the two connecting pieces can completely correspond to the section of the stand column through the C-shaped inserting cylinder, so that the tensile strength and the bending strength of the connected stand column are equal, the anti-seismic performance of the modular structure is further improved, and the service life of the modular structure is prolonged. Therefore, the safety of the staggered and stacked modular structure is improved.

The utility model relates to the technical field of building structures, in particular to a concrete module and a full-prefabricated concrete modular building structure system, which comprise shear wall leaf plates, partition walls, a top plate, a bottom plate and beam shells, the bottom plate serves as the bottom face of the concrete module, and the top plate serves as the top face of the concrete module. The shear wall leaf plates and the partition walls form the four side faces of the concrete module. The shear wall leaf plates are arranged at the corners of the concrete modules, and the partition wall is arranged between the two shear wall leaf plates. A first cavity used for pouring concrete is formed in the shear wall leaf plate; the height of the shear wall leaf plate is larger than that of the partition wall, the beam shell is arranged on the top of the partition wall, a second cavity used for pouring concrete is formed in the beam shell, and the second cavity is communicated with the first cavity so that the beam shell and the shear wall leaf plate can form a whole after the concrete is poured.

The invention discloses a beam-based double-column climbing device and attachment device.The double-column climbing devices are symmetrically arranged, sequentially penetrate through holes formed in the two sides of a main beam in a penetrating mode and are attached to the main beam of a structure through the attachment devices, and the tops of the climbing devices are connected with a jacking platform by arranging a transfer beam; the load of the jacking platform is transmitted to the climbing device through the transfer beam and then transmitted to the structural main beam through the attachment device, the attachment device is provided with the driving device in a matched mode, and the climbing track and the jacking platform can be jacked to the upper layer through jacking of the oil cylinder. Compared with a traditional wall attachment device, the device can be used for arranging the position of a fulcrum more flexibly, so that the device is not limited by the position of a wall, the jacking platform can be applied to a more general concrete structure system, and the application range of the jacking platform is widened.

The utility model relates to the technical field of fabricated buildings, and discloses a beam-column connection node structure for a fabricated building, which comprises a main beam support, a main beam embedded part is fixedly welded at the bottom of the main beam support, and a lower baffle and an upper baffle are fixedly welded on the outer surface of the main beam support. Through the arrangement of the positioning assembly, after the fixing plate and the side plate are assembled together through a bolt, the side plate abuts against the abutting plate, the abutting plate can be driven to slide, the interior of the sealing groove is pressurized, the surface of the positioning block penetrates through the penetrating hole to be inserted into the positioning hole, and an extra force transmission path is added; when a building structure bears a vertical load, force can be effectively transmitted and dispersed through the positioning assembly, stress is prevented from being excessively concentrated on a bolt connecting part, the whole beam-column connecting joint can be stressed cooperatively, the deformation and damage resistance of the whole structure is improved, and a structural system of a fabricated building is more stable and reliable.

An androgynous fastener for autonomous robotic assembly of high performance structures is disclosed herein. The androgynous fastener is lightweight and facilitates assembly through simple actuation with large driver-positioning tolerance requirements. The androgynous fastener provides a high-strength, reversible mechanical connection and may be used in high strength-to-weight ratio structural systems, such as lattice structure systems. The androgynous fastener resists tensile and shear forces upon loading of the lattice structure system thereby ensuring that the struts of the lattice structure system govern the mechanical behavior of the system. The androgynous fastener eliminates building-block orientation requirements and allows assembly in all orthogonal build directions. The androgynous fastener may be captive in building-block structural elements thereby minimizing the logistical complexity of transporting additional fasteners. Integration of a plurality of the androgynous fasteners into a high performance, robotically managed, structural system reduces launch energy requirements, enables higher mission adaptivity and decreases system life-cycle costs.

The invention discloses an explosion venting test system and method for simulating accidental explosion of an industrial factory building structure, and belongs to the technical field of explosion test systems. The problems that the structure configuration of an existing explosion venting test platform is difficult to adjust, the arrangement flexibility of explosion venting measures is low, and the universality of the test platform is poor are solved. A T-shaped groove rigid platform of the foundation system is installed on a box type foundation, a plurality of structural columns of the assembly type structural system are connected with the T-shaped groove rigid platform in a matched mode, every two adjacent structural columns are connected through an inter-column connecting beam, and an assembly type wall body and a closed wall body are connected with the structural columns in a matched mode. An explosion space is defined by the assembly type wall bodies and the closed wall bodies, high-energy explosives of the explosion source control subsystems are arranged in the explosion space, the roof panels are installed on the assembly type wall bodies and the closed wall bodies, and explosion venting parts are machined on the assembly type wall bodies and the roof panels. According to the explosion venting test system, the structure size can be freely changed according to needs, and the convenience and universality of the explosion venting test are improved.

A system and method of a temporary protective structural system. The system includes a plurality of frame members. The frame members define a pair of opposing studs and integrated top plate. The system also includes noggings connecting the studs. Ceiling joists are also included. The combination creates at least one free-standing tunnel module. Vertical wall panels are secured to the exteriors of the free-standing tunnel modules, thereby vertically enclosing the free-standing tunnel modules. Horizontal ceiling panels are secured to an exterior ceiling area of the tunnel modules. Horizontal floor panels provide a protective surface for the floor. When constructed, the combination of elements and tunnel modules create a protective barrier for sensitive surfaces in a construction zone.

A rapid deployment and reuseable, multi-level structural system called Metrideck that uses traditional types of walls structures and handrail. Metrideck system includes (a) a set of vertical columns each with a set of attachment features; (b) a set of pre-manufactured beams each said beam with a set of attachment features; (c) a Quicset® for connecting beam and columns; (d) a deck panel with hardware to attach it to the beams and with slots to attach a hanger bracket to connect to the wall structure; (e) a series of curbing that encircles the deck panel perimeter with a set of attachment features; (f) a stair system; and (g) a set of handrail / guardrails wherein the decking system maintains a modular relationship to the mating wall structures, provides multiple platform configurations, uses fewer components, and provides a higher strength to weight ratio compared to other rapid deployment structural systems.

The invention provides a self-adaptive joint maintenance control method for a structural system under environmental heterogeneous damage. The method comprises the following specific steps: 1, modeling a damage accumulation trajectory of a structural component under an environmental heterogeneous mode; 2, predicting the service life of the part under the environment damage heterogeneous condition; 3, delayed maintenance control optimization of single structural components; 4, quantifying a single structural component-system joint maintenance mapping function; and 5, iterative grouping selection heuristic strategy solution algorithm planning is carried out. The method has the advantages that the dynamic capture of an environmental heterogeneity mode in a structural system damage rule is realized, so that a more accurate residual life prediction activity is carried out, and the sensitivity of a damage feature recognition process is ensured; self-adaptive dynamic updating of system maintenance schemes can be realized according to real-time state evaluation information and historical maintenance records of structural components, correlation in adjacent maintenance schemes can be quantified, the adaptability is high, and the intelligent level is high; the balance between the prolonging of the remaining service life of the structural component and the preparation buffering of the maintenance resources is realized, and the scientificity of the maintenance plan is ensured.

In various embodiments, a gravity design application automatically generates a design for a structural system of a building. The gravity design application performs partitioning operation(s) based on an outline of a first floor included in a computer-aided design of the building to generate a set of segments. Subsequently, the gravity design application generates a set of segment designs based on the set of segments, constraint(s), and design objective(s). The set of segment designs includes at least one segment design for each of the segments included in the set of segments. The gravity design application determines a combination of floor designs from multiple sets of floor designs based the design objective(s), where each set of floor designs is associated with a different floor of the computer-aided design of the building. The gravity design application generates the design for the structural system of the building based on the combination of floor designs.

In various embodiments, a room-based design application automatically generates a design for a floor structure of a building. In operation, the room-based design application generates blocks representing portions of the floor structure that are delineated by walls based on a room plan included in a computer-aided design of the building. The room-based design application modifies the blocks based on a spanning length to generate partitions. Each partition represents a different portion of the floor structure that can be spanned by a structural element that has the spanning length in at least one direction. Based on the partitions, the room-based design application determines wall classifications for the walls. The room-based design application generates at least a portion of the design for the floor structure based on the wall classifications and the partitions.

The invention relates to a light high-strength multipurpose bamboo laminated wood container and a manufacturing method thereof. The container is mainly composed of bamboo laminated wood corner posts, side posts, longitudinal side beams, bamboo laminated wood or glass fiber-steel transverse short beams, bamboo laminated wood or glass fiber-steel longitudinal middle beams, corner fitting-glass fiber-steel plate-steel sleeve-bolt integrated connection, bamboo laminated wood inclined struts, glass fiber-steel composite barrels for artificial vehicles, bamboo laminated wood and glass fiber-steel composite barrels for artificial vehicles. The system is composed of glass fiber-steel sleeve bolt connection, glass fiber-steel bolt connection, inclined T-shaped glass fiber-steel filling plate bolt connection, welding connection, door-shaped steel plate integrated welding connection, goods inlet and outlet doors, a K-shaped structure system and peripheral plates. The container is light in dead weight, high in strength, safe and reliable in structure, corrosion-resistant, impact-resistant, fatigue-resistant, freezing-resistant and the like, reduces the use of mineral materials such as steel and aluminum alloy, and is low-carbon and environment-friendly.

The utility model relates to the technical field of energy dissipation and shock absorption of engineering structures, in particular to a damping device which comprises a bearing mechanism, an upper cover plate and a lower cover plate with the same size specification as the upper cover plate. The movable mechanism comprises a fixed plate arranged between the upper cover plate and the lower cover plate, and a friction plate also arranged between the upper cover plate and the lower cover plate; the fastening mechanism comprises a plurality of fastening bolts arranged on the upper cover plate and a plurality of nuts matched with the fastening bolts; according to the utility model, different SMA wire bundle quantity ratios can be matched by controlling the pre-tightening force of the bolt and the sliding resistance, so that the maximum energy-dissipating capacity can be fully exerted on the basis of ensuring that a structural system has the self-resetting capacity, the sliding resistance can be adjusted, and the self-resetting force of the structural system can be adjusted. The hysteresis curve is not rectangular any more, the rigidity of the structure is effectively improved, and the situation that the energy consumption form is single is avoided.

The invention relates to the technical field of wind power, in particular to an annular section steel-concrete tower drum structure. The annular section steel-concrete tower tube structure comprises a steel tower tube, the steel tower tube comprises an inner annular steel tower tube and an outer annular steel tower tube, the outer annular steel tower tube is arranged on the outer side of the inner annular steel tower tube in a sleeving mode, and concrete is poured between the outer annular steel tower tube and the inner annular steel tower tube. The annular steel tower drum structure is formed by the two steel tower drums with different diameters, the tower drums are connected through the first connecting piece and the second connecting piece, and the concrete is poured between the inner annular steel tower drum and the outer annular steel tower drum to form a stable structural system, so that the rigidity and the strength of the original steel tower drum are improved under the condition that the wall thickness or the height of the tower drum is not increased; and the bearing capacity of a fan unit is met, and the steel amount of the steel tower drum is effectively reduced. The novel structure is low in cost, can provide enough bearing capacity, and is relatively convenient and rapid in the manufacturing process, the material transportation process, the construction process and the like.

The invention discloses a large-span UHPC-steel box superposed beam mechanical response analysis method. The method comprises the steps that the height ratio, the UHPC prestress ratio and the slip coefficient of a to-be-analyzed superposed beam are obtained; a first finite element model is constructed according to the to-be-analyzed superposed beam, and a sliding unit is arranged between the upper steel box beam and the lower UHPC beam; according to the slippage coefficient, slippage damping in all directions is given to the slippage unit, and according to the material attributes of the upper steel box beam and the lower UHPC beam, values are assigned to the corresponding units in the first finite element model; and performing mechanical response analysis on the large-span UHPC-steel box superposed beam by applying uniformly distributed loads to the top of the assigned first finite element model. According to the method, a relatively complex load redistribution process is simplified into a group of slip coefficients, so that rapid and effective mechanical response analysis can be conveniently carried out on the to-be-analyzed superposed beam in a simulation mode, and the stress characteristics of a structural system in a normal use state and an ultimate bearing capacity state are determined.

The application relates to the technical field of building engineering, in particular to a mixed lateral force resisting structure system of a residential building, which comprises a transverse support system, a vertical support system and a connecting mechanism, the transverse support system comprises frame beams and full-rib prefabricated floors connected with each other, the frame beams are arranged along the outer edges of the full-rib prefabricated floors; the vertical support system comprises flat columns and composite shear walls, the flat columns are connected with each other at the bottom of the full-rib prefabricated floors, and the frame beams and the full-rib prefabricated floors are both connected with the composite shear walls; the connecting mechanism is used for connecting the transverse support system and the vertical support system. The mixed lateral force resisting structure system of the residential building has the technical effects of improving the bearing capacity and stability of the mixed lateral force resisting structure system of the residential building, facilitating construction and wiring and the like.

The invention provides composite spinning equipment for forming rocket pipe type structural parts. The composite spinning equipment comprises a structural system, an operation table, an oil cooler, an oil tank, a control cabinet, a water cooler, a heating system, a gas distribution cabinet, a hydraulic station, an oxygen bottle, a circulating filtering device and a propane gas bottle. The structural system comprises a main spindle box, the main spindle box has active power and can achieve controllable rotation, a closing-in spindle box does not have active power, and when closing-in spinning needs to be conducted, the main spindle box and the closing-in spindle box are connected through a coupler, and controllable rotation of the closing-in spindle box is achieved; the water cooling machine is used for cooling the spinning roller in the spinning process; the heating system can heat the workpiece to realize hot spinning; the circulating filtering device sprays cutting fluid to the workpiece, circulating filtering use of the cutting fluid is achieved, and wet-type forced rotation is achieved. The hot spinning and wet spinning device has the integrated hot spinning and wet spinning effects of strong spinning, close-up common spinning and the like.

The invention relates to a partition wall waterproof integrated bathroom, and mainly aims to solve the problems that after a structural wall body is built on the periphery of an integrated bathroom of a traditional building, the integrated bathroom is installed after waterproof construction is conducted on the inner surface of the structural wall body, the installation process is complex, the installation speed is low, and the installation cost is high. And the structural wall body occupies a large building plane space, and the utilization rate of the building plane space is low. According to the main technical scheme, a waterproof base plate, a waterproof wallboard, a top plate, a waterproof wallboard connecting keel and a partition board are assembled to form a structural system, polyurethane foam is filled between the waterproof base plate and a structural floor slab and between the waterproof wallboard and the partition board to enhance the waterproof performance and the structural strength, and water and electricity pipelines are laid in cavities between wall bodies. According to the invention, the situation that the integrated bathroom cannot be installed or wastes space due to civil engineering errors easily caused by the fact that a civil engineering wall needs to be built firstly and an installation inner cavity is ensured in a traditional assembly type bathroom can be solved, and not only can the installation construction be ensured not to be influenced by the civil engineering errors, but also the space utilization rate can be effectively improved.

The utility model relates to a deep foundation pit assembly type prestress combined horizontal steel supporting structure system which is characterized by comprising a corner supporting mechanism and a main supporting mechanism, the corner supporting mechanism and a deep foundation pit enclosing purlin are fixed at an angle of 45 degrees, and the corner supporting mechanism comprises a plurality of steel pipe horizontal main beam steel supports, H-shaped steel horizontal straining beam steel supports and H-shaped steel stand columns. The H-shaped steel stand columns are vertically and fixedly connected with the steel pipe horizontal main beam steel supports. The main supporting mechanism comprises a plurality of steel pipe horizontal main beam steel supports, H-shaped steel horizontal straining beam steel supports and H-shaped steel stand columns, and one ends of the steel pipe horizontal main beam steel supports are fixed to the deep foundation pit through Z-shaped hanging plates and the fixed ends of the horizontal main beam steel supports and the deep foundation pit enclosing purlins. The other end of the H-shaped steel column is fixed with a deep foundation pit surrounding purlin through a Z-shaped hanging plate and a horizontal main beam steel support movable head, and the H-shaped steel column is vertically and fixedly connected with the steel pipe horizontal main beam steel support. The method has the advantages that assembly and standardization of deep foundation pit steel support construction are achieved, and the mounting and dismounting difficulty is lowered; and the disassembled and assembled standardized components can be reused, so that the construction cost is greatly reduced.