97results about How to "Reduce the amount of on-site construction" patented technology

The invention discloses a horizontal seam U-shaped closed rib junction structure of an assembled shear wall structure, comprising an upper-layer outer wall prefabricated shear wallboard (1), a lower-layer outer wall prefabricated shear wallboard (2), an upper-layer inner wall prefabricated shear wallboard (16), a lower-layer inner wall prefabricated shear wallboard (17), U-shaped closed ribs (5), a horizontal reinforcing rib (6) and filled cast-in-place concrete (13), wherein the U-shaped closed ribs adopting the upper-layer outer wall prefabricated shear wallboard, the lower-layer outer wall prefabricated shear wallboard, the upper-layer inner wall prefabricated shear wallboard and the lower-layer inner wall prefabricated shear wallboard are staggered and are in lap joint to form an annular ring; the horizontal reinforcing rib is arranged in the annular ring to reliably connect the vertical reinforcing steel bars of the assembled shear wall; and the filled cast-in-place concrete of a horizontal seam (7) realizes the purpose that the resistance to shear of the horizontal seam is equivalent to the cast-in-place concrete shear wall. The whole prefabricated assembled shear wall can be reliably connected with the shear wall and a floorslab, the whole prefabricated assembled shear wall performance can be ensured, and the horizontal seam U-shaped closed rib junction structure has the advantages of simple form and material conservation and is convenient to construct.

The invention provides a horizontal joint tooth-groove dry-type connection structure of an assembly type cavity shear wall. The connection structure adapts to the characteristics of easy industrialized production of the assembly type cavity shear wall, and facilitates the industrialized production and on-site quick installation; sleeve connection is adopted for all main stress longitudinal ribs of the wall column sections of the cavity shear wall, distributing ribs of the cavity section are not connected vertically, and the connection form is simplified; the lower part of the cavity section of the upper cavity shear wall is provided with reserved grooves or an empty cavity for use as connecting grooves, and the upper part of the cavity section of the lower cavity shear wall is reserved with convex teeth which are meshed with the grooves, so that the shear-bearing capacity of the horizontal joint of the cavity shear wall is improved; bracket boards are prefabricated at the storey height of the cavity shear wall, the connecting end of a prefabricated floor is prefabricated as an L type, on-site direct bolt connection is made convenient, and the on-site construction quantity is reduced. According to the horizontal joint tooth-groove dry-type connection structure of the assembly type cavity shear wall, wet operation of a construction site is avoided, and industrialized production and green installation and construction are made convenient; the structure can be widely applied to precast assembly type concrete shear wall structures.

The invention provides a wooden furniture component sorting system. The wooden furniture component sorting system comprises a stacking machine, goods shelves and automatic guide vehicles. The stackingmachine is connected with the corresponding goods shelves. Wooden furniture components are conveyed to the goods shelves through the stacking machine. The automatic guide vehicles are arranged between the goods shelves and processing equipment. The wooden furniture components on the goods shelves are conveyed to the processing equipment through the automatic guide vehicles. Wheels of the automatic guide vehicles are compact in structure, small in occupied space, high in controllability, reliable in performance and easy to maintain. An inertial navigation mode is adopted. There is no need to lay a continuous induction line on the ground. The site construction capacity is very small. A path can be changed flexibly. The flexibility of the system is higher. During task distribution, an MES transmits tasks to the sorting system. The sorting system receives the tasks, executes the sorting task, transmits a sorting completion instruction to the automatic guide vehicles and transmits the distribution tasks to the starting and ending points, namely the positions where warehouse exits are located and the ending points where the MES distributes the tasks. The automatic guide vehicles go forthe designated warehouse exit and transport material vehicles to the distribution task designated destination points and fed back execution results to the sorting system in real time.

The invention discloses an air-conditioning unit for a large-bay operating room and a control method thereof. The air-conditioning unit comprises an air supply unit, an air return unit and an optionalfresh air unit. The installation is convenient, the arrangement is flexible, and a technical interlayer does not need to be used as a machine room; on the premise of keeping the total air supply amount unchanged, the fresh air amount is changed, the pressure difference is maintained, the energy consumption is reduced, and the air quality in the operating room is improved; a PLC control system controls the optimum operation of the air supply unit, the air return unit and the optional fresh air unit in real time aiming at the indoor and outdoor changing hot and wet load to form the air conditioning unit, wherein the project quality of the air conditioning unit is completely controlled by a factory; and a traditional purification air conditioning system combined by fresh air centralized treatment and each operating room circulating unit, and a complex air treatment mode are changed, through variable frequency, the total air supply amount and the total air return amount can be changed, the cleanliness level of operating areas can be changed, or air is only supplied to the operating areas needing to be subjected to surgery, or the emergency conversion is a direct current air supply negative pressure mode, and the control requirements of different surgical environments are achieved with low energy consumption.

The present invention relates to the technical field of liquid-liquid separation, and specifically discloses a combined centrifugal extractor, which comprises a driving device, a synchronous transmission mechanism, and a plurality of centrifugal extractors connected in series, wherein the driving device is connected with the plurality of the centrifugal extractors through the synchronous transmission mechanism so that the plurality of the centrifugal extractors can perform synchronized operation. According to the present invention, the plurality of the centrifugal extractors are combined to form the integration, and the synchronized operation of the plurality of the centrifugal extractors is achieved by the synchronous transmission mechanism so as to achieve the simultaneous control on the plurality of the centrifugal extractors and effectively improve the extraction effect and the extraction efficiency; and the assembled, modular and skid-mounted design is used and the extractors are compactly connected so as to provide the strong integrity, reduce the occupation area, shorten the length of the connection pipeline, simplify the pipeline structure, reduce the pipeline resistance, reduce the flow loss inside the pipeline, reduce the energy consumption, save the production cost, substantially reduce the on-site construction amount, and rapidly and conveniently install and disassemble.

The invention discloses a combined type protection shed frame and a construction method thereof. The combined type protection shed frame is characterized in that a bearing structure located on the top surface of a bridge is arranged; the top surface of the bridge is taken as a bearing foundation by bearing longitudinal girders in the bearing structure; bearing cross girders crossing over the bridge are supported by the bearing longitudinal girders; a steel-structure frame located at the bottom part of the bridge is arranged; frame longitudinal girders in the steel-structure frame are suspended below the bearing cross girders through suspenders, and are located at both sides of the bridge; and frame cross girders in the steel-structure frame are suspended at the bottom parts of the frame longitudinal girders. The combined structure of the combined type protection shed frame disclosed by the invention is entirely borne on a bridge deck, and foundations do not need to be constructed at both sides of the existing railroad line, thereby, the on-site construction quantity of the existing railroad line is greatly reduced, the construction risk is lowered, the potential safety hazards areeliminated, and the interference on the normal operation of the existing railroad line is effectively reduced.

The invention discloses a novel sewage tank. Enough oxygen is provided for a microorganism through generating continuous micro-bubbles at the bottom of a tank body; a carrier for apposition growth is provided for the microorganism through a biological active filling; the metabolic efficiency of the microorganism is enhanced; meanwhile, sewage forms up-and-down convection in the tank body under the actions of a gravity current and the micro-bubbles to generate agitation; dirt cannot precipitate; the suspended carrier is also enabled to migrate and spread all over in the tank along with a water current; an agent is uniformly mixed; the purpose of purification treatment is effectively achieved.

The invention discloses a construction method for a siphon rainwater drainage system. The construction method includes the steps of construction preparation, installation of a rainwater drain, installation of a suspension fixing system, fusion welding of a high-density polyethylene (HDPE) pipe and the like. The method is convenient to construct and good in construction quality.

The invention provides an assembly method of upper and lower interior walls and floors, including the following steps: S1, prefabricating interior wall shear walls and floors; S2, hoisting and installing: a first interior wall shear wall is hoisted and positioned, a first floor and a second floor are respectively hoisted on the two end faces of the top side of the first interior wall shear wall, asecond interior wall shear wall is hoisted on the top side of the first interior wall shear wall, and the two ends of the bottom side of the second interior wall shear wall are respectively pressed on the supporting ribs on the top sides of the first floor and the second floor; a cavity is formed between the floors and the first and second interior wall shear walls, and longitudinal steel bars, lacing wires and anchoring parts are ingeniously arranged in different ways; and S3, casting connection: concrete is poured into the cavity to form a double-overlapping post-poured connecting beam or adouble-anchorage horizontal post-poured strip which connects the floors and the interior wall shear walls together. The on-site construction work for the connection joint is less. The construction cost is lowered, and the construction period is shortened. The integrality and seismic strength of the building are greatly improved.

The invention relates to a synchronous data acquisition device of a transformer substation and a sampling method thereof, relating to the technical field of transformer substation data sampling and aiming at solving the technical problem on how to reduce the site construction volume and the hardware cost. The device is characterized in that a communication host and various data acquisition terminals in the transformer substation are connected to a standard serial bus respectively through a programmable logic unit, wherein the programmable logic unit connected with the communication host is internally provided with a synchronous code pattern generating module, and the programmable logic units connected with various data acquisition terminals are internally provided with synchronous code pattern decoding modules; the communication host controls the programmable logic unit connected with the communication host to send synchronous code patterns to the standard serial bus at regular time; and all the programmable logic units connected with the data acquisition terminals are used for detecting the synchronous code patterns in a communication data stream in real time and controlling the data acquisition terminals to carry out synchronous data sampling after catching the synchronous code patterns. The device can reduce the site construction volume and the hardware cost.

The invention discloses a fabricated pile which comprises a lower pipe pile. A lower pipe pile reinforcing cage is arranged in the lower pipe pile, and an upper end plate is arranged at the upper end of the lower pipe pile. A top pipe pile is arranged at the upper end of the lower pipe pile, a lower end plate which is pressed on the upper end plate is arranged at the lower end of the top pipe pile, and the lower end plate and the upper end plate are connected. A top pipe pile reinforcing cage is arranged in the top pipe pile, composite stirrups shaped like a Chinese character 'jing' are arranged on the top pipe pile reinforcing cage every other 200-400 mm, and a post-poured concrete grouting core is arranged in the top pipe pile. The invention further discloses a construction method of the fabricated pile. According to the fabricated pile and the construction method of the fabricated pile, the upper fabricated pipe pile and the lower fabricated pipe pile are assembled together, and the advantages of the pipe piles and the advantages of cast-in-situ bored piles are fused together in the mode that the post-poured concrete grouting core is poured in the top pipe pile. The fabricated pile has the advantages that pile connection is simple, convenient and fast, the construction cost is low, construction is quick, the quality can be guaranteed easily, and the bearing capacity is high.

The invention discloses a hole-opening method for measuring holes for testing performances of a ventilation and air conditioning system. The hole-opening method comprises the following steps: I, determining positions of measuring sections and the measuring holes: according to pre-designed test requirements of the ventilation and air conditioning system, determining quantity of to-be-tested test sections on a to-be-tested flue, the position of each test section as well as quantity of to-be-opened measuring holes in each test section and hole position of each measuring hole; II, opening and sealing measuring holes: respectively opening all measuring holes in the to-be-tested flue, and sealing each measuring hole as follows: 201, opening holes: drilling by adopting drilling equipment; 202, sealing the measuring holes: sealing processed and formed measuring holes by adopting a sealing part. The hole-opening method disclosed by the invention is simple in step, reasonable in design, convenient to realize, high in working efficiency, good in using effect and capable of simply, conveniently and quickly completing a hole-opening process of measuring holes of an air hose, and guaranteeing the performance test effects of the ventilation and air conditioning system.

The invention provides a light steel structure wall body module. The light steel structure wall body module comprises an EPS template, the EPS template is a cavity template composed of an inner side plate, an outer side plate and connecting core ribs which are connected between the inner side plate and the outer side plate and are distributed at equal intervals, the surfaces of the inner side plate and the outer side plate are provided with inserting grooves, the inserting groove in the inner side plate and the inserting groove in the outer side plate correspond to each other, the light steel structure wall body module further comprises connecting plates provided with through holes and connecting bolts, the shape of the connecting plates is the same as that of the inserting grooves, the connecting plates are installed in the inserting grooves in an inserted mode, and the connecting bolts penetrate through the through holes in the connecting plates of the inner side plate and the outer side plate and the EPS template to connect the ESP module and the connecting plates at the two sides into one. The light steel structure wall body module is simple in process, high in efficiency and convenient in industrialized production, and can drastically lower field construction amount, and improve the overall construction procedure of a building. Outer wall plates of cement plates and the like can be adopted to be directly fixed on the connecting plates, and an outer wall protective layer is formed, so that the outer wall construction of the building is not influenced by weather or climate.

The invention relates to a wall unit used for a laminated shear wall and a construction method using the wall unit. The wall unit comprises a steel wire frame, and an insulating layer and a casting layer filled on the steel wire frame, wherein the insulating layer is embedded into the steel wire frame; the casting layer is a prefabricated concrete protective layer arranged on one side of the insulating layer; mounting fixing holes are formed in the outer end face of the prefabricated concrete protective layer; auxiliary pulling fasteners are preburied inside the prefabricated concrete protective layer, and are mounted layer by layer during construction; vertical load-bearing bars are arranged on the inner side of an insulating board, and are connected with the auxiliary pulling fasteners in virtue of pulling fasteners used for anchoring; a casting template is arranged outside the vertical load-bearing bars, and then casting is performed on a cavity between the insulating layer and thetemplate, to form a cast-in-place concrete layer. The vertically adjacent wall units are fixedly connected through fixed parts and bolts, and then setting and casting operations of the template are carried out, the shear wall constructed by using the construction method can greatly simplify the construction process and also has the strength of an integral casting wall, and the requirement of the shear wall is highly met.