346results about How to "Avoid quality problems" patented technology

It relates to a heat-generating composition having such dispersion stability that withstands continuous molding, and has excellent drainage property, excellent heat-generating characteristics, excellent molding property and excellent shape retaining property, without becoming viscous, and relates to a heat-generating body using the same and a process for producing the heat-generating body. It contains, as essential components, a heat-generating substance generating heat upon reaction with oxygen, a carbon component, an oxidation promoter and water, characterized in that the composition further contains a water separation-preventing stabilizer in a proportion of from 0.001 to 0.25 part by mass per 100 parts by mass of the heat-generating composition, and has a water mobility value of from 7 to 40 and a separation degree of from 0 to 30.

The invention provides a quick topographic map making method based on database driving. Topographic maps of corresponding plotting scales are quickly made by a built topographic database, and a map making database and the topographic database are subjected to integrated storage, integrated management and synchronous updating. The quick topographic map making method based on database driving comprises the following steps of: (1) preprocessing map making data at a management end, namely building the topographic database, expanding the map making function of the topographic database, deriving map making data, generating framing map making sub databases, and establishing framing map making engineering; (2) generating the map making data at a production end, namely optimizing and adjusting the map making data, editing map making, trimming the contour of a map, edging the data and outputting the map; and (3) putting the topographic map making data into the database at the management end, namely concentratively performing uniform data storage processing on the topographic map making data subjected to the map making production steps such as map making editing, inspection and accepting, and forming the final topography and map-making integrated database.

The invention discloses a braided wire take-up mechanism, pertaining to the field of mechanical technology of electric wires and cables process. The braided wire take-up mechanism of the invention comprises a tension adjusting device which is arranged above the side part of a braider, a winding device which is arranged below the side part of the braider and a reciprocating guiding device which is arranged at the side part of the braider. The braided wire take-up mechanism is characterized by also comprising a braided wire defect acquisition device which comprises an acquirer, a signal acquisition device and a pulling rope. The acquirer is correspondingly arranged on a channel of the braided wire while the sign acquisition device is fixed on the tension adjusting device or on the braider. Furthermore, lines and an electric controller of the braider are electrically connected and the pulling rope is connected on the acquirer and the sign acquisition device. The braided wire take-up mechanism of the invention has the advantage of avoiding the quality problem of the braided wire acquired on the winding device.

The invention is a stainless steel double-tanked (three-tanked) water tank stretching technique, including the working procedures such as batching, shearing angle, first stretching, shearing side, washing, annealing, second stretching, cutting side, punching hole, surface processing, etc. The water tank made by the working procedures forms a through structure without welding, reducing production cost and avoiding the problems of water leakage and of affecting fastness, thus heightening the whole quality and service life of the water tank.

The invention discloses a microorganism soil-reinforcement cement fly-ash gravel (CFG) pile composite foundation and a construction method. The construction method comprises the steps that a, a pile pipe is pressed into a foundation; b, microorganism bacterium liquid is injected into the pile pipe at the same time, and the microorganism bacterium liquid is made to diffuse towards the foundation around the pile pipe; c, the microorganism bacterium liquid is pumped out, and a cementing solution is injected into the pile pipe and made to diffuse to the foundation around the pile pipe and reacts with the microorganism bacterium liquid to generate calcium carbonate crystals, and incompact sandy soil or floury soil is cemented; d, the step b and the step c are executed repeatedly till the soil around the pile pipe meets the reinforcement requirement; e, pipe-drawing pile formation is conducted while cement-ash stabilized aggregates are poured; and f, a bed course is laid, so that the CFG pile composite foundation is formed. According to the microorganism soil-reinforcement CFG pile, the soil around the pile pipe is reinforced through calcium carbonate generated through reaction between the microorganism bacterium liquid and the cementing solution, so that the strength of the soil around the pile pipe is improved, and the quality problems of necking, pile breakage, soil carrying and the like in the pile forming process are solved; in addition, a reinforced soil body can be combined with a pile for bearing, and the bearing capacity of the single pile is effectively improved.

The invention relates to an extracting and composition analyzing method of organic phosphorus of calcareous sediment. The method is characterized in that acidic EDTA solution is used for flushing and centrifuging the sediment; a traditional extraction method that the mixed solution of NaOH and EDTA (NaOH plus EDTA) is used for oscillating, extracting and centrifuging the sediment; a part of the extracted solution of NaOH plus EDTA is tested by a spectrometer to determine the total phosphorus; the rest extracted solution is concentrated; ultimately, the <31>P nuclear magnetic resonance technique (<31>P-NMR) is used for analyzing the composition of organic phosphorus in the extracted solution.

The invention discloses a clean fracturing fluid which comprises crude rubber fluid, viscosity accelerant and gel breaker, the crude rubber fluid comprises the following materials by mass percent: 0.1%-0.5% of hydrophobic association polyacrylamide, 0.05%-0.2% of organic acid, 0.1%-0.8% of clay stabilizer and the balance of water; the viscosity accelerant comprises the following materials according to mass percent: 0.05%-0.4% of alkyl amine oxide, 0.1%-0.5% of Gemini surfactant, 0.1%-1.0% of alkyl lower alcohol, 0.05%-0.4% of pH regulator, and the balance of water; the volume ratio of the crude rubber fluid to the viscosity accelerant is 100:(5-10), and the mass of the gel breaker is 0.005%-0.05% that of the clean fracturing fluid. The invention further provides a preparation method of the clean fracturing fluid. The long-term technical problems of high cost and poor temperature resistance performance of the clean fracturing fluid are solved.

The invention discloses a method for screening new internal reference molecules suitable for cervical tissue micro RNA real-time fluorescence quantitative PCR research. The method comprises the following technical steps: screening human Micro RNA probes by using a Micro RNA chip, and selecting Micro RNAs with constant normal tissue expression and high expression abundance of cervical cancer and cervix as candidate internal references; selecting a normal cervical epithelial tissue and a cancerous cervical tissue as clinical cervical tissue specimens respectively, and verifying the specimens by using fluorescence quantitative PCR; and analyzing data by using two special internal reference analysis software comprising geNorm software and Norm Finder so as to discover the internal reference molecules suitable for cervical tissue Micro RNA research. The internal reference molecules screened and verified by using the method of the invention can avoid possible differences of different cervical tissue specimens on the yield, quality and reverse transcription efficiency of the RNA, well correct and standardize the data for real-time fluorescence quantitative PCR detection, and improve the accuracy and the reliability of the search.

The invention provides an automatic wire feeding system. The automatic wire feeding system comprises a wire feeding mechanism, a wire feeding guide pipe and a laser welding head installed on a numerical control positioning mechanism. A five-dimensional adjusting mechanism is fixedly connected with the laser welding head. The inlet end of the wire feeding guide pipe is clamped by the wire feeding mechanism, and the outlet end of the wire feeding guide pipe is clamped by the five-dimensional adjusting mechanism. A welding wire in the wire feeding mechanism penetrates the wire feeding guide pipefrom the inlet end and then penetrates out of the outlet end, and the five-dimensional adjusting mechanism is a movable structure and can adjust the position and the angle of the outlet end from threeperpendicular straight line dimensions and two perpendicular arc dimensions. The automatic wire feeding system has the beneficial effects that automatic wire feeding can be carried out, the cost is saved, and the efficiency is high.

The invention discloses a manufacturing method for water faucet bodies, which comprises: step1, stainless steel pipes and / or stainless steel sheets are used respectively for processing and forming pin components and effluent components of the faucet body; step2, the processed and formed pin components and the effluent components are welded one by one in sequence to form the complete water faucet body in an assembly way; step3, the polishing and the electroplating treatment are carried out on the welded water faucet body. The invention avoids problems of bad quality, low material utilization, energy consumption, environment pollution, and the like produced by the traditional casting and hot forging, simplifies the manufacturing technique, and leads the processing and manufacturing processes to be controllable, thus improving the production efficiency and the yield significantly. As no expensive expenditure on forming dies is needed, the manufacturing method for the water faucet bodies saves the materials and reduces the production cost obviously; meanwhile, the method produces less negative influence to the surrounding environment, meets the requirements of energy-saving and environmental protection, and is very suitable for the wide substitution and application within the industry.

The invention discloses a mold mechanism driven by an up-down movement arm, which solves the technical problems of slow speed of mold opening and closing, large transverse occupied space, poor precision of mold opening and closing, small mold locking force and poor synchronism of a bottom formwork existing in the prior mold mechanism. The mold mechanism comprises a framework, a left formwork, an intermediate formwork, the bottom formwork, a connecting rod and a right formwork, wherein the left formwork and the right formwork are fixed at both ends of the connecting rod; the intermediate formwork is positioned between the left formwork and the right formwork and is arranged on the connecting rod in a sliding way; the bottom formwork is positioned below the left formwork and the intermediate formwork; a crank arm mechanism is arranged between the intermediate formwork and the right formwork; the middle part of the crank arm mechanism is connected to a lifting plate; both ends of the crank arm mechanism are connected to the intermediate formwork and the right formwork respectively; and the lifting plate is connected to a driving arm which moves up and down. The mold mechanism saves space occupation, optimizes a product structure, saves a synchronous transmission mechanism of a gear and a rack, reduces the quality problem caused by a mold-closing impact force, improves the speed and the accuracy of mold opening and closing, and has coordinative and steady operation.

It relates to the glue sleeve seal teeth shape reversed V shape forming sulfuration. It makes belt blank at the inner mold, installs the round cylinder glue sleeve with teeth on the surface inside and smooth surface inside both ends on the glue sleeve base and fastened with shrouding rings, putting them into sulfur can, hanging belt blank into glue sleeve, covering the top cap and the cap of the sulfur can, sequentially opening the outside pressure and inner pressure steam for sulfuration, stripping the belt blank round cylinder with vertical rack outside and the cutting belt blank round cylinder, getting many teeth shape cutting V belt. It solves the sealing issue at both ends of the glue sleeve, eliminating the bubbling stratification defect of the product, increasing effective cutting 2-4 lines, reducing material consumption and cost.

A white kidney bean extract extracted by microwave is disclosed, wherein the bioactivity of an alpha-amylase inhibitor contained in the extract is equal to or higher than 4100 U/mg, and the HPLC (high-performance liquid chromatography) content is equal to or higher than 20% w/w. Preparation method for the extract is characterized by comprising the following steps of: crushing white kidney beans and passing through a 60-mesh sieve; preparing a mixture which is uniformly mixed by the crushed and sieved white kidney bean powder and purified water in a weight ratio of 1:5, extracting for 1-10 minutes at a temperature below 40 DEG C in microwave extraction equipment, then filtering to obtain a filtrate, and removing the filter residue; heating the filtrate to 70 DEG C in a water bath with stirring, keeping for 20 minutes, and collecting an effluent through a silica gel column; and drying the effluent to prepare the white kidney bean extract. The extract can be used for preparing an appetite inhibitor. The preparation method disclosed by the invention shortens extraction time and effectively increases extraction rate. The purified water is used as an extraction solvent, as well as is safe and environment-friendly.

The invention relates to lycopene microcapsule granules and a preparation process thereof. Lycopene crystal powder, sunflower oil or corn oil, porous starch, oxidized starch, modified cassava starch, corn syrup, trehalose, natural VE oil are used as main raw materials, a process is reasonably improved and optimized to be used for greatly shortening the production time, the entire production process is controlled, the drying is carried out layer by layer and the recycling is carried out step by step. Obtained products are spherical, the surfaces of the products are smooth and trim, the biological activity of the products is kept, the products can be well solved in cold water, the use, storage and transportation are relatively well facilitated, no organic solvent or harmful substance is left, the safety, liquidity, taste and water solubility of the products are greatly improved, and resource waste is reduced. By adopting the process, the yield of the lycopene microcapsule granules is high, and the process is suitable for being used for large scale preparation of the lycopene microcapsule granules, and is used for achieving the continuous mass production and reducing the production cost.

The invention provides a call processing method and a home gateway. The call processing method comprises the following steps that the home gateway receives a first call request sent by a mobile terminal, wherein the first call request comprises a called number; if the called number is not a short number through judgment, the home gateway sends a second call request to a voice service platform, wherein the second call request comprises the called number and a fixed line voice account serving as a calling number and corresponding to the mobile terminal, wherein the fixed line voice account is obtained by applying for the fixed line voice account from the voice service platform through the home gateway serving as a voice agency, and the short number is a home internal call number corresponding to a fixed telephone connected with the home gateway; a calling response sent by the voice service platform is received, and the mobile terminal is connected with a terminal corresponding to the called number for voice communication. By the call processing method and the home gateway, the home gateway serving as the voice agency carries out voice signaling processing for the mobile terminal, so that the mobile terminal and other terminals carry out voice communication through fixed telephone signaling.

The invention provides an optical fiber communication system capable of regulating received optical power adaptively and a running method thereof. Analog optical signal power output by an optical transmitter is larger than the sum of an upper limit value of the optimum reception power range of an optical receiver and transmission attenuation amount, an analog optical signal enters an optical attenuator and then enters the optical receiver, sampling voltage of an optical detector in the optical receiver accesses a control detection circuit which is connected with the optical attenuator. The control detection circuit comprises a single chip microcomputer and an AD/DA conversion module. The running method of the system comprises the steps as follows: the optical signal of the optical transmitter enters the optical receiver through the optical attenuator; detection voltage value of an optical detector sample resistor of the optical receiver is sent to the single chip microcomputer; and the single chip microcomputer determines the current received optical power, continues to detect if the power is in the optimum reception optical power range, otherwise, determines the attenuation according to a difference, and controls and regulates the optical attenuator. The optical fiber communication system and the running method thereof regulate received optical power dynamically and adaptively to the optimum value, stabilize optical fiber communication, are suitable for different optical receiver, and easy to implement.

The invention discloses an automatic turning device for a thrust ball bearing ferrule, and belongs to the technical field of bearing production equipment. The automatic turning mechanism comprises a motor, a positioning material channel and a circular check ring, wherein the top surface of the circular check ring is higher than the bottom surface of the positioning material channel; a workpiece inlet and a workpiece outlet of the circular check ring are respectively provided with an inlet stop block and an outlet stop block; the bottom surface of one end, connected with the workpiece inlet, of the positioning material channel is always higher than the end connected with the workpiece outlet; when the two stop blocks fall down, the top surfaces of the two stop blocks are not higher than the bottom surface of the positioning material channel; a positioning mechanism and a detection mechanism are respectively arranged on the two sides of the positioning material channel; through holes for realizing pressing of the positioning mechanism and detection of the detection mechanism are respectively formed in two side baffles of the positioning material channel; a quantification mechanism is arranged on the side of a material feeding channel; a control system controls a motor, a positioning pressing block driving mechanism, a probe driving mechanism and a quantification mechanism and drives cylinders of the inlet stop block and the outlet stop block to operate. The automatic turning device meets the demand that the end faces of the ferrule are needed to uniformly face to a direction during processing of the thrust ball bearing ferrule.

The invention discloses a shooting method, which is used for improving the shooting quality. The method comprises the following steps: when a framing image of a to-be-shot area is displayed in the touch control display area of a touch control display module at a moment T1, detecting the existence of first touch control operation for selecting a first pair of focal points from the framing image in the touch control display area; responding to the first touch control operation, and determining the first pair of focal points in the framing image; when the absence of the first touch control operation in the touch control display area is detected at a moment T2 after the moment T1, generating and executing a shooting instruction, and acquiring a first photo which corresponds to the to-be-shot area through the shooting module by taking the first pair of focal points as focal points. The invention further discloses electronic equipment for implementing the method.

The invention provides a three-dimensional integration method for a tile TR component subarray element and aims at providing a three-dimensional integration method for a subarray element which is thinin body and light in weight and is capable of effectively improving the assembly efficiency and quality. The three-dimensional integration method is implemented through the following technical schemeof producing a tool base consistent with a radio-frequency T/R printed board in shape and a tool pressing plate, producing opposite and symmetric electroplated metallization steps on the upper and lower surfaces of the radio-frequency T/R printed board and a radiation surface printed board, making the radio-frequency T/R printed board vertically aligned at the radiation surface printed board andshielding and sealing the peripheries of work cavities of T-type MMIC chips; and burying fuzz buttons into circular holes in the radiation surface printed board and then fastening the radio-frequencyT/R printed board and the radiation surface printed board between the steps of the tool pressing plate and a TR low-frequency and wave-controlled circuit board and vertically interconnecting and fastening the radiation surface printed board and the radio-frequency T/R printed board together to achieve interconnection of radio-frequency inner and outer conductors and inner and outer conductors of an antenna board. Radio-frequency assembly of the subarray element of a chip phased-array antenna is achieved through integral integration.

The invention relates to a vacuum gravity casting method of an aircraft engine block. The method comprises the following steps: graphite paint is dipped on the surface of a mesoporous sand core of a die used for gravity casting, chilling coating is coated at the part of the die used for gravity casting close to an air passage, a sealing cabin provided with the die is vacuumized before casting through a snake-shaped casting opening, and the mesoporous sand core and the sealing cabin are filled with compressed air after casting. Due to the adoption of the closed vacuum casting, the casting is performed through the snake-shaped casting opening, and as the graphite paint and the chilling coating are adopted, the compressed air is blown in the mesopore to carry the heat away, the shrinkage cavities in the casting part are greatly reduced, the qualification rate of the finished products of the casting part is improved to about 90 percent from 20 percent and the production cost is greatly reduced.

A novel offset printing and hot stamping technique sequentially includes: (1) feeding articles to be printed to printing color cells of an offset printing press sequentially and printing with ultraviolet curing ink, wherein one or more printing color cells are utilized to perform full oil printing, and positions, required to be hot stamped, on full oil printing surfaces are hollowed out; ink in required colors is printed on printed surfaces of the articles to be printed in a screening manner by one or more printing color cells of other printing color cells according to the color of alumite requiring hot stamping, a lining ink layer is formed, and the surface color of the surface of positions, required to be hot stamped, of the articles to be printed is enabled to be consistent with that of the alumite; (2) hot stamping alumite on the articles to be printed by a hot stamping machine to form a hot stamping pattern layer covering the lining ink layer. The novel offset printing and hot stamping technique is good in hot stamping effect and capable of effectively avoiding quality problem, caused by incomplete hot stamping, of products which are subjected to offset printing prior to hot stamping, product quality is guaranteed, and product percentage of pass is increased.

The present invention relates to a method and a device for mobile internet terminal identification. The method comprises the steps of: collecting a related network signaling of a terminal; filtering at least one key network signaling of the terminal from the related network signaling; according to the related information of the at least one key network signaling, generating an incidence relation between the related information of the at least one key network signaling; and according to the incidence relation, collecting and analyzing voice network signaling, obtaining terminal-level phonological competence and user-level phonological competence, and/or according to the incidence relation, analyzing user agency network signaling, and obtaining terminal identifier information. According to the embodiment of the invention, the method and the device for mobile internet terminal identification perform deep analysis of the network signaling and combine a knowledge base to perform key field analysis to effectively and timely supplement identification of 4G terminal brands and models.

The invention relates to the technical field of connection of building structures, and discloses an inclined outer ring plate fabricated cross connecting beam-column joint. The inclined outer ring plate fabricated cross connecting beam-column joint comprises a square steel tube column, H-shaped steel beams and beam-column connecting assemblies. Each beam-column connecting assembly comprises two groups of miter plates and T-shaped connecting pieces, wherein the two groups of miter plates are arranged symmetrically in a up and down mode; each group of miter plates comprises four identical standard miter plates, each standard miter plate comprises a horizontal part, a vertical part and connecting lugs, and a T-shaped sliding piece is arranged on the back surface of each horizontal part. The T-shaped connecting pieces are provided with T-shaped sliding grooves matched with the T-shaped sliding pieces. According to the inclined outer ring plate fabricated cross connecting beam-column joint,the miter plates are used as standard splicing pieces, the integrity of an outer ring plate is ensured while the strength of a joint area is ensured, the outward movement of plastic hinges is realized, the miter plates provide sufficient construction space, the installation is convenient, and the miter plates can be replaced in time after being damaged; and welding of all components is completedin a factory, the connection is completely carried out through bolts on site, the completely fabricated construction is realized, the quality problems caused by site welding are avoided, and the construction progress is speeded up.

Belonging to the field of maneuvering target tracking, the invention puts forward an interactive multi-model estimation method based on covariance intersection. The realization process of the method comprises: (1) model condition estimating and matching matrix interacting: used for calculating the initialization input of each model condition estimator; (2) model condition estimation filtering: used for updating the condition estimation of each model; (3) model matching matrix updating: using the covariance intersection method to calculate the matching matrix of each model; and (4) model condition estimation fusing: taking the matching matrix of each model as a weighted value, and calculating total estimation output by fusing the model condition estimation. The method of the invention overcomes the problem that a model probability does not match a model probability density function product existing in traditional interactive multi-model estimation, has the advantages of small calculation complexity and a good estimation effect, and is applicable to maneuvering target tracking for civil and military use.

The invention relates to a kind of intelligent capacity therapeutic equipment, comprising central processor, interior memory, power device, keyboard device, display device, alarm device, input control circuit, monitor interface, liquid speed monitor and liquid speed controller. The interior memory device is used to store program order and operation capacity therapeutic decision program in central processor and the record of patient capacity treatment. The central processor takes relative capacity therapeutic decision program from interior memory device according input patient information from keyboard device, makes patient initial capacity therapeutic program, carries out the capacity therapeutic program according to chosen working mode by doctors, feedbacks and moderates capacity therapeutic program according to sent patient physiological parameter from monitor and stores the capacity treatment record into interior memory device. The central processor also monitors and moderates transfusion speed according to got confirmed transfusion speed.

The invention discloses a high-efficiency open-width rope washing machine. The high-efficiency open-width rope washing machine comprises a cloth feeding frame, a washing tank, a padder, a washing chamber, a door-shaped tension frame, a spraying steam chamber, an open-width processing device, a dryer and a cloth discharging device. The cloth feeding frame is provided with an edge guide, and the cloth feeding frame, the washing tank, the padder, the steam chamber, the washing chamber, the open-width processing device, the dryer for drying and the cloth discharging device are arranged in sequence. The tension frame is used for adjusting cloth tension in a whole operation process. The high-efficiency open-width rope washing machine has the advantages that washing quality of printed and dyed products is guaranteed, washing fastness is improved, and fabric handfeel is improved.

The invention discloses an efficient deburring system for a stainless steel strip. The efficient deburring system comprises a discharging mechanism and a deburring mechanism. The discharging mechanism comprises a discharging base, a winding shaft, a motor bracket, a first motor, a fixed bracket, a supporting baffle and a spacing baffle. The motor bracket and the fixed bracket are fixedly arranged on two sides of the discharging base. The winding shaft is rotatably erected on the fixed bracket and the motor bracket, is driven by the first motor erected on the motor bracket to rotate, and penetrates through the supporting baffle and the spacing baffle. A steel strip sleeves a part between the supporting baffle and the spacing baffle. The deburring mechanism comprises a worktable, guide rollers, tension pulley components, a guiding component and deburring components. The tension pulley components are used for adjusting the tension forces of the steel strip and the guide rollers. The guiding component is used for spacing the steel strip during the conveying process. The deburring components are used for deburring the steel strip. The efficient deburring system is reasonable in structure, the steel strip can be stably and accurately discharged quickly and efficiently, and the efficient deburring system can be conveniently adjusted according to the size of the steel strip, and is high in deburring efficiency.

Disclosed is a tunnel lining concrete heat preserving and maintaining construction device. The tunnel lining concrete heat preserving and maintaining construction device is characterized by comprising a first trolley, a second trolley and a third trolley which are sequentially connected, or comprising a first trolley and a second trolley which are sequentially connected, or comprising a second trolley and a third trolley which are sequentially connected, or comprising a first trolley and a third trolley which are sequentially connected, wherein the three trolleys are each provided with a template supported through a supporting rod. The tunnel lining concrete heat preserving and maintaining construction device has the advantages that the three construction trolleys conduct heat preservation on secondary lining at first, the temperature difference between the interior and the exterior is decreased, then, heat preservation and moisture retention are carried out on concrete, concrete frost heaving is avoided, and finally the concrete is slowly cooled through a cooling layer, so that the quality problem generated by the large temperature difference between pre-construction and post-construction is avoided. The tunnel lining concrete heat preserving and maintaining construction device has the advantages of being stable in construction quality and low in manufacturing cost and has the wide market prospect.

The invention discloses an assembly type steel-concrete composite structure residential system. In the assembly type steel-concrete composite structure residential system, mounting holes are formed inoutside flanges of end cross beams at the upper ends or the lower ends of multilayer of prefabricated steel reinforced concrete shear walls; connecting steel plate seats are arranged at one ends without cross beams, and mounting holes are formed in the connecting steel plate seats and correspond to the mounting holes in the outside flanges of the end cross beams in position; and processing slotsfor installing bolts or nuts are formed in parts, corresponding to the mounting holes in the flanges of the outer sides of the end cross beams in position, of prefabricated concrete. According to theassembly type steel-concrete composite structure residential system, the factory prefabrication degree is high, and wet work on site is less. Fabricated structural steel concrete shearing walls as well as the fabricated structural steel concrete shearing walls and peripheral steel beams are in bolted connection, and the on-site construction speed is high. The assembly type steel-concrete compositestructure residential system has good seismic performance, can be applied to areas with high seismic intensity, and is suitable for large heights.

A novel tension assembly structure for production of a prestressed pipe pile comprises a head plate (1), a clamp hoop (2), a pipe die (3), a tension plate (4), a baffle (5), a tension screw rod (6), a tension nut (7), a tail plate (8), a tail plate clamp hoop (9) and a tension screw rod assembly. The novel tension assembly structure is characterized in that the head plate (1)) is fixed to the tension plate (4) at one end of the tension screw rod assembly through the clamp hoop (2), the baffle (5) at the other end of the tension screw rod assembly is fixed to the lower portion of the pipe die (3) through a bolt, the tail plate (8) is installed on the tail plate clamp hoop (9), the tail plate clamp hoop (9) is fixed to the tail end of the pipe die (3) through a bolt, an upper die assembly and a lower die assembly of the pipe die (3) are fastened through bolts, and the tension screw rod assembly is connected with a tensioner, so that tension is produced. The novel tension assembly structure is simple, greatly reduces the weight of the head plate and the weight of the tail plate, reduces labor intensity of basketing workers and improves safety of the basketing workers; transportation and basekting are easy and convenient to carry out, the weight of the head plate is 1/3 that of an original head plate and the weight of the tail plate is 1/3 that of an original tail plate.