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1606results about How to "Improve installation quality" patented technology

Six-axis attitude adjusting platform for installation for complete set of engine for aircraft engines

The invention discloses a six-axis attitude adjusting platform for installation for a complete set of engines for aircraft engines. The six-axis attitude adjusting platform comprises an operation table, a Y-axis translation mechanism, a C-axis slewing mechanism, four sets of herringbone hinge mechanisms, a cradle type platform frame and an X-axis propelling mechanism. According to the six-axis attitude adjusting platform disclosed by the invention, improvement is performed based on a conventional multi-axis attitude adjusting platform, so that the adjustable freedom degree is increased, and adjusting of the position attitude in six space freedom degree directions of the engines (namely X-axis horizontal propelling, Y-axis horizontal moving, Z-axis vertical lifting, A-axis left-to-right pitching, B-axis front-to-rear pitching, and C-axle horizontal rotating) is realized. Through the adoption of the six-axis attitude adjusting platform disclosed by the invention, in the mounting process of the aircraft engines, the adjusting of the position attitude in six space freedom degree directions is realized; the adjustable freedom degree is high, so that the mounting attitude of each engine is accurate; and the adjusting of the position attitude in the six free degrees of each engine adopts a servo motor to perform digital controlled attitude adjusting, so that the attitude adjusting accuracy and the attitude efficiency are improved; and the mounting efficiency and the mounting quality of the aircraft engines are further improved.
Owner:DALIAN UNIV OF TECH

Heat exchange structure of power battery box

InactiveCN101789518AMeet the demanding requirements of operating temperatureImprove performanceCell temperature controlAcute angleWorking temperature
The invention relates to a heat exchange structure of a power battery box, wherein a temperature monitoring element is arranged in a battery module of a battery pack; the battery pack is erected in the middle of a battery box; a top space, a bottom space and a side surface space are respectively positioned between the upper surface, the lower surface and the side surface of the battery pack and the top, the bottom and the side surface of the battery box; a heating element is arranged in the battery box; a first air door and a second air door are arranged on the battery box; an air driving element is arranged in the battery box towards the second air door and at an acute angle with the second air door; and a control unit is electrically connected with the first air door, the second air door, the air driving element, the heating element and the temperature monitoring element. The invention has ingenious design, simple structure, low cost, convenient operation and both cooling and heating, thereby solving the problem of heat management of the battery box of an all-electric hybrid power vehicle, meeting the strict requirements of a battery on working temperature, enhancing the property of the battery and being suitable for large-scaled popularization and application.
Owner:SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE

Numerical control assembly device for automobile radiator core production line

The invention discloses a numerical control assembly device for an automobile radiator core production line, belongs to a core assembly device, and aims to solve the problems of low efficiency and low precision existing in the prior art. According to the adopted technical scheme, the device comprises a rack, a radiating tube conveying device, a radiating belt turning and conveying device, a radiating tube and radiating belt automatic arrangement table, a core lifting conveying table, a front and rear manipulator assembly automatic operation mechanism, a radiator core assembly table, a core pressing device, a belt tidying device, a controller and a servo motor, wherein the radiating tube conveying device, the radiating belt turning and conveying device, the radiating tube and radiating belt automatic arrangement table, the core lifting conveying table, the front and rear manipulator assembly automatic operation mechanism, the radiator core assembly table, the core pressing device, the belt tidying device, the controller and the servo motor are arranged on the rack; the radiating tube and radiating belt automatic arrangement table, the core lifting conveying table and the radiator core assembly table are arranged on the rack from back to front in sequence; the radiating tube conveying device and the radiating belt turning and conveying device are positioned on the left and right sides of the radiating tube and radiating belt automatic arrangement table respectively; the front and rear manipulator assembly automatic operation mechanism is arranged above the core lifting conveying table; the core pressing device and the belt tidying device are positioned above the radiator core assembly table; the controller is adopted for control.
Owner:山东厚丰汽车散热器有限公司

Fabricated ceramic tile wall surface and construction method thereof

InactiveCN109898774ATo achieve the locking effectTo achieve the purpose of directional slidingCovering/liningsKeelSurface construction
The invention discloses a fabricated ceramic tile wall surface and a construction method thereof, and relates to the technical field of building decoration. The fabricated ceramic tile wall surface comprises a main keel with the inner surface installed on a wall body and a plurality of ceramic tile templates installed outside the main keel, a plurality of bearing keels are equidistantly arranged on the main keel, and the bearing keels are arranged parallel to the ground surface; the multiple ceramic tile templates are spliced mutually and are slidably arranged between the upper bearing keel and the lower bearing keel in the length direction of the bearing keels, telescopic buckles are arranged on the side edges of the ceramic tile templates, lock holes corresponding to the telescopic buckles in a one-to-one mode are correspondingly formed in the bearing keels in the length direction, and the telescopic buckles of the ceramic tile templates are correspondingly connected to the inner parts of the lock holes in a clamped mode. The fabricated ceramic tile wall surface has the effects that the rapid installing is realized, the disassembling after the installing is convenient, the construction period is short, and the decoration efficiency and the ceramic tile wall surface construction quality are improved.
Owner:浙江屹立建设有限公司

Method for integrally fixing and installing foundation bolts with large diameter

The invention discloses a method for integrally fixing and installing foundation bolts with large diameter, which comprises the following steps of: (1), manufacturing a supporting steel plate in a partition way; (2), determining the central positions of bolt positioning holes on the supporting steel plate; (3), processing the bolt positioning holes on the partitions of the supporting steel plate; (4), installing an upright post and a transverse beam of a fixing rack in situ; (5), splicing the partitions of the supporting steel plate on the transverse beam of the fixing rack, fixing the partitions of the supporting steel plate with the transverse beam of the fixing rack after regulating to enable the positions of the bolt positioning holes on the partitions of the supporting steel plate to be consistent with the design positions of bolts, and welding all the partitions of the supporting steel plate into a whole; (6), installing the bolts in a hung way, enabling the bolts to penetrate through the positioning holes from the lower part of the supporting steel plate, installing nuts on the bolts and centring the elevations of the bolts by utilizing the nuts; and (7), after centring the elevations of all the bolts completely, fixing the bolts with the fixing rack by knot pulling bars and welding the fixing rack firmly. The bottoms of the bolts are fastened by one-time regulation and centring so as to complete the integral fixation and installation of the bolts, and the invention has high efficiency and low cost.
Owner:TIANJIN 20 CONSTR

Double-hollow glass ceiling module with film suspended therein

The invention discloses a double-hollow glass ceiling module with a film suspended therein. An optical control film serves as a middle layer, and an internally suspended film structure frame, a mounting structure frame, a reinforcing separating strip and glass are sealed into an integral double-hollow glass plate. An inner structure frame and an outer structure frame are made from a novel heat-isolating material with a coefficient of thermal expansion similar to that of the glass. The internally suspended film structure frame is structurally connected through a heat-isolating bridge. A butyl rubber tape on the outer surface of the internally suspended film structure frame serves as a first sealing layer. A second sealing layer consists of the external reinforcing separating strip and a silicone structural sealant, the whole structure is always consistent to the thermal deformation of the glass, so that the sealing capability of the whole system is more reliable, and the heat-isolating property, the moisture condensation-preventing property, the sound-isolating property and the like are greatly improved. Dirt is not easily accumulated on the outer surface of a mounted ceiling, so that the ceiling is convenient to clean and maintain. The double-hollow glass ceiling module has a flexible assembling and mounting way, and can be applied to different vertical surfaces of an outer building rail.
Owner:伟视幕墙(淮安)有限公司

Method for welding tower in vertical assembling mode by utilizing jacks and crane

The invention discloses a method for welding a tower in vertical assembling mode by utilizing jacks and a crane. The method includes the following steps that firstly, the straightness of all sections of the tower is checked, an end socket of each section of the tower is cut off, and grooves are formed in the end portions of opposite openings of all sections of the tower in a cutting mode; secondly, a lower tower is fixed on a foundation, and the perpendicularity and the elevation of the lower tower are aligned; thirdly, a plurality of first supporting tools are evenly distributed on the peripheral wall of the lower tower, the jacks are distributed on the first supporting tools respectively and adjusted to the same horizontal position, and force measuring instruments are arranged on the jacks; fourthly, a plurality of second supporting tools are evenly distributed on the peripheral wall of the upper tower; fifthly, the upper tower is craned by the crane so that all the second supporting tools can be arranged on the jacks correspondingly, stress on the tops of the jacks is adjusted, the grooves of the end portions of the upper tower and the lower tower are assembled, the perpendicularity of the upper tower and the assembling gap of the upper tower and the lower tower are adjusted, the total carrying capacity of the jacks is N, the carrying capacity of the crane is F, and the weight of the upper tower is Q which is kept to be equal to N+F; sixthly, several welders use the same welding current and meanwhile perform symmetric welding, and therefore welding joints are welded in a multi-layer mode.
Owner:CHINA NAT CHEM ENG THIRD CONSTR

Lifting device and inverted installing method for reducing absorption tower

The invention discloses a lifting device used for lifting a large cylinder during inverted installing of an absorption tower. The lifting device comprises a hydraulic lifting round frame, an expansion ring attached to the inner wall of the cylinder, and door-shaped steel clamps used for fixing the expansion ring. The door-shaped steel clamps are buckled on the expansion ring and welded and fixed to the inner wall of the cylinder. The hydraulic lifting round frame comprises hydraulic lifting frames evenly arranged on the inner side of the cylinder along the circumference, a center steel pipe arranged in the center position of the cylinder, circumferential box iron sequentially connected with the hydraulic lifting frames, and radial box iron used for connecting the center steel pipe with the hydraulic lifting frames. The hydraulic lifting frames and the center steel pipe are all welded and fixed to a bottom plate. Each hydraulic lifting frame comprises a support, an oil cylinder arranged over the support, a lifting rod, an upper clamping head arranged over the oil cylinder and used for driving the lifting rod to move upwards, a lower clamping head arranged between the support and the oil cylinder and used for limiting downward sliding of the lifting rod, and a sliding pull block capable of sliding along the support. According to an inverted installing method for the reducing absorption tower, the installing procedures of the absorption tower are simplified, and the installing quality of the absorption tower is improved.
Owner:HUNAN THERMAL POWER CONSTR CO LTD OF CHINA ENERGY ENG GRP

Non-rolling construction method for vertical cylinder storage tank and fixture thereof

The invention relates to a plate-rolling-free construction method for a vertical cylindrical storage tank and a clamp thereof. The method comprises the following steps: during construction, not using a plate roller to roll a wall plate of the storage tank, correspondingly welding at least one vertical welding line positioning plate at two edges inside the wall plate, welding at least one wall plate positioning frame at the upper edge and the lower edge, regulating radians of most wall plates by adopting the elasticity of the most wall plates for direct installation, and regulating the width of the vertical welding lines at the joint of each wall plate, the radians of the wall plates, the vertical positioning of each wall plate, and the like by using a special vertical welding line adjusting clamp and other normal clamps, to achieve assembly installation of the wall plates at the cylindrical part of the tank. The method has the advantages of simple and easily-mastered installation construction process, simple structure and low cost of the required clamps, fewer constructors and auxiliary facilities, low intensity of labor, short construction period, low cost, good installation quality, wide application range, and the like. Compared with the plate rolling construction method, the method can save labor by more than 5 percent, can reduce the construction period and the construction cost by more than 10 percent, and has great popularization value.
Owner:CHINA GASOLINEEUM JILIN CHEM ENG & CONSTR

Longitudinal connection structure for superimposed slab concrete shear walls and connection method

The invention provides a longitudinal connection structure for superimposed slab concrete shear walls and a connection method, and solves the problems of a traditional longitudinal connection method for prefabricated part walls that the prefabricated part production process is complicated, field hole aligning is difficult, the loss of a grouting material during field mixing is huge, the grouting material is quick in setting and hardening, and the mixing qualities are much different during mixing. The longitudinal connection structure comprises a closed ring-shaped connecting stirrup (2), the connecting stirrup extends into an upper superimposed slab concrete shear wall (1) and a lower superimposed slab concrete shear wall (1) which are mutually connected to form a transition space together with ring-shaped longitudinal bars (5) of the upper superimposed slab concrete shear wall and the lower superimposed slab concrete shear wall, pin joint longitudinal bars (3) penetrate into the transition space in a manner of being perpendicular to the plane where the connecting stirrup is positioned, and the ring-shaped longitudinal bars of the upper superimposed slab concrete shear wall and the lower superimposed slab concrete shear wall are integrated with the pin joint longitudinal bars. The connection method is applied to the longitudinal connection structure for the superimposed slab concrete shear walls.
Owner:HUBEI YUHUI NEW BUILDING MATERIAL

Aviation engine low-pressure turbine installation device

The invention discloses an aviation engine low-pressure turbine installation device. The aviation engine low-pressure turbine installation device comprises a guide shaft, a transfer segment, a centring device, a pulling jacking device and a reverse twist device, wherein one end of the guide shaft is relatively fixed with a low-pressure turbine shaft; the transfer segment is arranged at the other end of the guide shaft and is angularly fixed through a connection part; the centring device is fixed with a rotor, a centring sleeve is arranged between the centring device and the guide shaft to be used for making the axis of the guide shaft coincide with that of an engine, and the centring sleeve and the guide shaft can move relatively on the axis of the engine; the pulling jacking device comprises a rotating segment axially fixed with the guide shaft and a moving segment in screw-thread fit with the centring device, and the rotating segment and the moving segment are axially fixed and can rotate relatively; and the reverse twist device is provided with a reverse twist portion, the reverse twist portion is matched with the moving segment to be used for preventing rotating of the moving segment, and the reverse twist device is relatively fixed to an engine stator casing. By means of the aviation engine low-pressure turbine installation device, the installation quality of engine four fulcrum bearings can be improved, and the engine reliability is improved; and bearing damage is reduced, and the service lives of the bearings are prolonged.
Owner:AECC SHENYANG ENGINE RES INST

Multifunctional engineering installation vehicle

The present invention discloses a multifunctional engineering installation vehicle used for engineering construction, which comprises a vehicular support frame, a walking and the like. In the vehicle as a gantry supporting frame structure, a extensible guide supporting frame for X axial movement is connected forwards with a Z axial direction tunable movable lift hook; at the C axial movement extensible guide supporting frame, there is an outside force acting at the Z axial direction, which can be a pull force of a armored rope or a cylinder rod clean and jerk force of the hydraulic cylinder and used for pushing the X axial movement extensible guide supporting frame for a vertical motion; a lifting platform is installed at the vehicle roof to execute pipe laying pipe laying, anti-corrosion, heat preservation, laying and maintenance of cable rope and crane span structure, and the like; the Z axial direction tunable movable lift hook inside the vehicle is used for lifting and loading articles of merchandise to realize installation of equipments; a labor saving and quick-releasing pipeline frame is allocated for carriage of pipelines; a ground tray is allocated, which is used for lifting, loading and transporting large and heavy workpieces. The multifunctional engineering vehicle is a powerful machinery for constructions, and the plurality of functions mentioned above greatly improves the installation quality, saves 2 times for the human energy and improves the work efficiency more than 10 times.
Owner:CHINA CONSTR IND & ENERGY ENG GRP CO LTD

Pull rod installing layout method of airplane auxiliary power device

The invention belongs to the installation technology of airplane airborne equipment and relates to an installing structure layout optimized method of an auxiliary power device. According to the pull rod installing layout method of the airplane auxiliary power device, engineering design software is utilized for structure parameterized modeling, and the data transfer from the parameterized entity structure to the finite element analysis software is realized under the invoking effect of flow process optimization control program; and in the finite element software, entities are subjected to meshing, in addition, the application of conditions of materials, restraining, loads and the like of an installing system is carried out, the structure stress or deformation of a rod system is calculated, and the optimum structure of the installing system is determined by an optimizing flow process according to optimizing targets such as the system weight, good manufacturability and the like. The method has the advantages that the installing structure with the minimum structure weight and the optimal stress form can be obtained, the structure weight is lightened, the vibration transfer is reduced, the installation efficiency and the installing quality are improved, and the layout optimization requirement of the installing system of the airplane auxiliary power device is met.
Owner:XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA

Internal force testing method for load test of pre-stress tubular pile

The invention discloses an internal force testing method for a load test of a pre-stress tubular pile. The method comprises the following steps: 1, installing a testing tube: the testing tube of a slide micrometer is installed in a constructed pre-stress tubular pile, and the testing tube is arranged in the middle of the pile core of the pre-stress tubular pile in the vertical direction; the bottom of the testing tube is sealed through a sealing cap and the testing tube is full of water; 2, injecting a filling material: the filling material is injected into the cavity between the tubular pile core of the pre-stress tubular pile and the testing tube from bottom to top by adopting grout injecting equipment, and comprises water, cement and bentonite; 3, loading an installation device; 4, loading a load; and 5, testing the internal force of a pile body: after the load is loaded and the pre-stress pile is settled and stabilized, the internal force of the pile body of the pre-stress tubular pile is tested by adopting the slide micrometer. According to the invention, the measuring method has simple steps and is convenient to implement while having high test precision and low investment, so as to obtain the internal force test result of the pre-stress tubular pile simply, conveniently, rapidly and accurately.
Owner:CHINA JK INST OF ENG INVESTIGATION & DESIGN

Mounting device for combined type vertical tube in high-rise tube well and mounting method thereof

The invention discloses a mounting device for a combined type vertical tube in a high-rise tube well and a mounting method thereof, belonging to the technical field of mechanical and electrical installation, and aiming to solve various problems of the modularizing mounting of the present mounting device for the combined type vertical tube. The mounting device comprises a tube wall lug and a tube well pothook which are arranged in a matching manner; single pipelines are fixed on a sharing bracket through a bracket fixing plate; the bracket fixing plate is fixed on the tube well wall. The mounting method comprises the following steps: firstly, welding a lug on the outer wall of the single vertical tube; fixing the vertical tube in the sharing bracket by a hoop so as to form a vertical tube set; arranging a pothook on the corresponding position on the tube well wall; wholly hanging the vertical tube set to a floor; suspending the lug on the preset pothook; vertically splicing the verticaltube set in turn; and finally closing the opening of the pothook through a safety pin. According to the invention, the tube wall lug and the tube well pothook are utilized to realize the temporary fixing of the vertical tube set, the flexible time is supplied for the re-testing of the tube set position, and the mounting precision and quality are further improved.
Owner:SHANGHAI INSTALLATION ENG GRP
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