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1553results about How to "Save construction space" patented technology

Heat exchanger

In a plate-type heat exchanger (1) or chiller (1), comprising a multiplicity of stacking plates (2) stacked one on top of the other such that a first fluid duct for a first fluid and a second fluid duct for a second fluid are formed between the stacking plates (2), the stacking plates (2) having first apertures (4) as a first fluid duct for the supply and discharge of the first fluid, the stacking plates (2) having second apertures (5) as a second fluid duct for the supply and discharge of the second fluid, at least one diverting device (23) which closes off at least one first aperture (4) such that the first fluid is conducted in meandering manner through at least two, preferably at least three sections (25) of the first fluid duct between the stacked plates (2) in the opposite direction through the heat exchanger (1), a first inlet and outlet opening (6, 7); for conducting in and discharging the first fluid, and a second inlet and outlet opening for conducting in and discharging the second fluid, it is the aim for the heat exchanger (1) to be as compact as possible and to be simple and cheap to produce. Said problem is solved in that the first inlet or outlet opening (6, 7) is formed by an immersion pipe (11) and the first fluid can be conducted into the first fluid duct through the immersion pipe (11), such that the first inlet and outlet openings (6, 7) are formed on the same side of the heat exchanger (1).
Owner:MAHLE INT GMBH

Dual-purpose mobile robot of wheel and foot

The invention belongs to a wheels and feet dual-purpose mobile robot in a robot technical field. The invention adopts a movement mode of combined wheels and feet; two long sides of a bodywork are respectively provided with four legs of the same structure with the duel-purpose of wheels and feet; the inside of the bodywork is provided with two batteries which provide energy for an on-board computer, an interior camera and an extended plug-in. Each leg comprises a thigh and a lower leg, with a power input unit of two levels; and the wheel mode and the foot mode are switched through a clutch. A first motor is fixed on a bottom plate of the bodywork through an insulation seat; a first shaft is fixed on a side of the bodywork by a seat, and the interior camera is equipped inside the bodywork as eyes of the robot; the on-board computer is taken as a planning and controlling center of movement of the entire robot; a plurality pony wheels are taken as driven wheels of which the driven movement or rotating termination is controlled by an electromagnetic contracting brake. By carrying out modularization design, the invention guarantees the rapid and flexible movement of the robot, multiple movement manners, strong ground adaptability and changes of movement gesture aimed at special landforms, which is favorable to reduce energy consumption.
Owner:TSINGHUA UNIV +1

Slope protection pile pouring and cable bolting construction method for deep foundation pit

The invention discloses a slope protection pile pouring and cable bolting construction method for a deep foundation pit. The method comprises the following steps of: 1, making preparations before construction; 2, pouring a slope protection pile, namely measuring, paying off, molding and constructing the poured slope protection pile, punching holes on the poured slope protection pile, binding and hoisting a steel reinforcement cage for molding the slope protection pile, pouring concrete into the poured slope protection pile and constructing a crown beam at the top end of the pile; and 3, excavating a foundation in a layered form and constructing anchor ropes on different rows, namely excavating a first-layer foundation, arranging a first row of anchor ropes, arranging a steel waist rail, arranging anchor heads of the anchor ropes, tensioning the anchor ropes and finishing excavating processes of different layers of foundations and arranging different rows of anchor ropes. The method has a reasonable design, simple construction steps, low investment cost, large support depth and good using effect, and solves the problems of complicated construction steps, high construction cost, inconvenience in control, easy damage to surrounding pipelines, roads, buildings and the like, large construction space and the like existing in the conventional double-row pile supporting method can be solved.
Owner:SCEGC NO 6 CONSTR ENG GRP CO LTD

Construction method of circular reinforced concrete chimney cylinder wall and hydraulic sliding mould device

The invention discloses a construction method of a circular reinforced concrete chimney cylinder wall, and a hydraulic sliding mould device, wherein a hydraulic sliding mould construction method is a rapid construction method of dynamically and continuously molding concrete; loads such as an operation platform and a template are completely supported on a support rod which is stabilized by low-age concrete and has small rigidity; the operation platform and the template are driven to climb along the cylinder wall by a hydraulic jack; and the hydraulic jack climbs on the support rod by an oil path system. The hydraulic sliding mould construction employing the sliding mould as an external cylinder wall and building a lining adopts an ''outside sliding and inside building'' construction process featured by synchronously constructing the external cylinder wall and the lining. The hydraulic sliding mould construction is featured by dynamic continuous construction, having fast construction speed in comparison with mould reverse, symmetrically distributing the hydraulic jack on the circumference of the chimney cylinder wall, forming the template by combining a fixed template with a moveable plate and a contracting and separating template, convenient to assemble and dismount as well as regulate the diameter and the circumference of the combined template structure, capable of gradually decreasing the diameter and the circumference of the combined template structure along with the diameter change of the chimney diameter. The hydraulic sliding mould construction is advantaged in few invested construction operators and convenient management.
Owner:马鞍山钢铁建设集团有限公司

Large comprehensive climate laboratory air treatment system

The invention belongs to the technical field of climate environment adaptability analyzing and testing and particularly relates to a large comprehensive climate laboratory air treatment system. The system comprises a full-temperature double-channel air treatment unit, a rotary wheel dehumidifying machine, a defrosting and purging unit and a secondary refrigerant subsidiary system, wherein the full-temperature double-channel air treatment unit comprises two independent and same channels, a variable frequency centrifugal fan, a frosting heat exchanger, an intermediate temperature heat exchangerand a low-temperature heat exchanger are arranged in each channel in series, the rotary wheel dehumidifying machine is used for dehumidifying air flowing in the channels, the defrosting and purging unit is used for enabling outdoor air to sequentially pass through the frosting heat exchanger, the intermediate temperature heat exchanger and the low-temperature heat exchanger so as to defrost the heat exchangers, and the secondary refrigerant subsidiary system is used for cooling or heating liquid refrigerant and then conveying the refrigerant to the frosting heat exchanger, the intermediate temperature heat exchanger and the low-temperature heat exchanger. The large comprehensive climate laboratory air treatment system can save space and investment cost, and is high in redundancy and reliability and high in configuration flexibility and control precision.
Owner:CHINA AIRPLANT STRENGTH RES INST

Construction method of reinforcing large-span concrete structure with prestressed carbon fiber sheet

A construction method of reinforcing a large-span concrete structure with prestressed carbon fiber sheet comprises the following steps of forming bolt embedding holes on the side surface to be reinforced of the large-span concrete structure, and embedding high-strength bolts of different specifications into the bolt embedding holes through adhesive glue; fabricating stretch sheet fixing portions, stretch sheet moving portions and stretch power fixing portions; mounting the stretch sheet fixing portions, stretch sheet moving portions, stretch sheet assembling units, stretch power fixing portions and stretch power portions, wherein the stretch sheet assembling units, the stretch power fixing portions and the stretch power portions are made of carbon fiber materials; stretching stretch sheet; and removing stretching power and tightly pressing and adhering the stretch sheet onto the surface of the large-span concrete structure. The construction method of reinforcing the large-span concrete structure with the prestressed carbon fiber sheet can achieve the gapless adhesion between the prestressed stretch sheet and the concrete structure to be reinforced, facilitate the coordination of the uniform stress force of the same sections of the carbon fiber filaments of the stretch sheet, improve the integral stress performance of the prestressed carbon fiber sheet and the coordination deformation capability of the prestressed carbon fiber sheet and the concrete structure and give full play to the high-strength characters of the carbon fiber sheet.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER +1

Processing method and electronic device

An embodiment of the invention discloses a processing method and an electronic device. The method includes the steps: acquiring a triggering instruction of a fingerprint identification component for calling the electronic device; responding the triggering instruction, and controlling at least one pixel unit of a display screen of the electronic device corresponding to a fingerprint acquisition area to be illumined by the aid of a target luminance value; taking at least one illumined pixel unit of the display screen positioned in the fingerprint acquisition area as a light source of the fingerprint identification module, and enabling a finger needle to generate reflection light for at least one illumined pixel unit when a finger is positioned in the fingerprint acquisition area. An identification module of the fingerprint identification component is positioned below a display screen, corresponds to the fingerprint acquisition area and used for receiving the reflection light to acquire afingerprint. According to the processing method, part of or all display area of the display screen can be automatically adjusted according to instructions of a user and serves as the fingerprint acquisition area capable of acquiring fingerprints, and a fingerprint acquisition area additionally arranged outside the display screen of the electronic device is omitted.
Owner:LENOVO (BEIJING) LTD

Formwork system of shear walls at two sides of extensible seam

The invention discloses a formwork system of shear walls at two sides of an extensible seam. The formwork system of the shear walls at the two sides of the extensible seam comprises two sets of wall body pouring formworks arranged symmetrically with the extensible seam as a symmetric axis, side face fastening steel tubes and end portion fastening steel tubes, wherein, the side face fastening steel tubes and the end portion fastening steel tubes are used for fixing the wall body pouring formworks. Each set of the wall body pouring formwork is respectively enclosed by an outer side formwork, an inner side formwork and an end portion formwork. A support block is respectively arranged between the outer side formwork and the inner side formwork in each set of the wall body pouring formwork and each outer side formwork and each inner side formwork are fastened through each transverse fastening steel tube, each side face fastening steel tube and a split bolt. Each end portion formwork is pressed on each outer side formwork and each inner side formwork through the end portion fastening steel tubes, bolt rods and match of end portion movable nuts on the bolt rods. According to the formwork system of the shear walls at the two sides of the extensible seam, the formworks at the two sides of the extensible seam can be erected by once in a narrow space, construction period is greatly shortened, engineering cost is reduced, and the formwork system is not limited by the size of the extensible seam and particularly applicable to the condition that the extensible seam is small.
Owner:QINGDAO BOHAI CONSTR GROUP

Clutch device

A clutch device for a drive train with a drive unit and a transmission arranged downstream has at least one, preferably two multi-plate clutches (k1,k2) which each have an input-side and an output-side plate carrier (701,708) and plates (11,12) alternating in the axial direction. In addition, a restoring spring (713,710) is provided for each multi-plate clutch, for automatically opening the multi-plate clutch, and a tension pot (31) is provided for dissipating the forces which occur when the multi-plate clutch is actuated. The clutch device has a securing ring (722) for axially securing one of the plate carriers relative to the tension pot (31). According to the invention, in an installation position, after the plate carrier which is to be secured has moved relative to the tension pot (31) counter to the spring force of the restoring spring (713,710), the securing ring (722) can be inserted radially from the outside into a retaining groove (720), wherein, in a use position, the securing ring is arranged in a pocket (724) which forms a radially outer stop. As a result, the pocket (724), which is expandable with difficulty under the influence of centrifugal force, can provide a radial stop for the securing ring, which is easily expandable under the influence of centrifugal force, thus permitting a secure fastening of components even when there is little construction space.
Owner:SCHAEFFLER TECH AG & CO KG
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