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451results about How to "Quick assembly and disassembly" patented technology

Fatigue experiment device for deepwater stand pipe

The invention relates to a fatigue experiment device for a deepwater stand pipe, which is characterized by comprising a main cylinder barrel, an axial loading cylinder, a stand pipe test piece assembly, transverse servo loading cylinders and soil action servo loading cylinders, wherein the top of the main cylinder barrel is provided with an external pressure joint and an air vent valve; two ends of the main cylinder barrel are respectively connected with the axial loading cylinder with an axial force joint; two ends of the stand pipe test piece assembly are respectively hinged on a piston of the axial loading cylinder on the corresponding side; the stand pipe test piece assembly comprises a test piece body and a connecting rod, wherein simulated soil is arranged below the test piece body,two ends of the test piece body are respectively provided with an internal pressure joint, and the test piece body is provided with a plurality of sensors; a test lead of each sensor penetrates out of the main cylinder barrel to be connected with the test instrument; each transverse servo loading cylinder and the soil action servo loading cylinders are all arranged on the main cylinder barrel; the pistons of two transverse servo loading cylinders are supported on the top of the test piece body; the piston of the other transverse servo loading cylinder is supported on the bottom of the junction of the test piece body and the connecting rod; and the piston of each soil action servo loading cylinder is supported on the bottom of the simulated soil.
Owner:CHINA NAT OFFSHORE OIL CORP +2

Blade-free fan component

The invention relates to a fan component, in particular to a wind ring of a blade-free fan and a connecting component connected to a mainframe at the lower part. A blade-free fan component comprises a mainframe and a wind ring arranged on the mainframe, wherein the mainframe comprises a machine shell, and a motor rotating component is arranged in the machine shell; the wind ring comprises a wind ring connecting part, and the wind ring connecting part is connected to a wind ring main body; an air outlet is arranged on the wind ring main body; a direct-insert clamping structure is arranged on an annular side face where the wind ring connecting part is connected with the upper opening of the machine shell; the buckling place of the clamping structure is provided with a sealing element. The invention provides a blade-free fan component; the blade-free fan component is simple in structure, convenient to dismount and transport and can effectively prevent the air flow from leaking and ensure that the pressure consumption figure of the air flow in the mainframe and the wind ring is as low as possible, thereby solving the technical problems existed in the prior art of inconvenient transport of the blade-free fan for the integrally shape basically, complex dismountable fan structure and poor sealing effect.
Owner:FOSHAN AARON APPLIANCE CO LTD

Full-automatic shale gas content testing analyzer

The invention relates to a full-automatic shale gas content testing analyzer which comprises a desorbing device, a gas detection device, a data acquisition box and a host computer, wherein the desorbing device consists of a constant temperature water bath box and two desorbing tanks; the desorbing tanks are arranged in the constant temperature water bath box; shale samples can be rapidly put into the desorbing tanks; the gas detection device comprises a box body, a measuring cylinder, a gas collecting bottle and a pressure sensor; a liquid inside the bottle is pressed into the measuring cylinder by a shale gas collected into the gas collecting bottle; the data acquisition box comprises an acquisition box frame, a front panel, a rear panel and a hardware circuit; the hardware circuit is provided with a power supply module, a signal receiving module and a signal processing module; the data acquisition box is used for acquiring a signal detected by the detection device, and used for performing analog-to-digital to transmit to the host computer; the host computer is used for displaying, storing and analyzing the signal. The analyzer provided by the invention is scientific in design and convenient to rapidly disassemble, package and carry over. By adopting the analyzer, full-automatic measurement in the whole gas desorbing process can be achieved, and the measurement precision is high.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN) +1

Construction method for outer wall socket type plate buckle steel pipe scaffold

The invention provides a construction method for an outer wall socket type plate buckle steel pipe scaffold. The construction method is composed of vertical rods, cross rods, inclined pulling rods and the like. The vertical rods are connected with casing pipes in a socket mode. The cross rods and the inclined pulling rods are connected with an inserting plate through wedge-shaped plug pins in the mode that the rod ends and connectors are clamped into the vertical rods, and wall connecting points are arranged to form a geometric invariant structure system. A hanging buckle type profiled steel sheet is laid on the geometric invariant structure system, and the outer side of the hanging buckle type profiled steel sheet is sealed by hanging a safety net so that the safety net can be used for protection and decoration except structural construction. The construction method comprises the specific steps of construction preparation, prefabricated bolt embedding, concrete pouring, I-shaped steel laying, I-shaped steel fixing, U-steel laying, scaffold building and safe protective net hanging. According to the construction method for the outer wall socket type plate buckle steel pipe scaffold, the modularized design is adopted, the structure is simple and firm, assembling and disassembling are convenient and fast, the cost and the loss are reduced, the pollution is low, and the service life is long.
Owner:JIANGSU NANTONG NO 2 CONSTR ENG GRP

Water-air amphibious unmanned aerial vehicle

The invention discloses a water-air amphibious unmanned aerial vehicle. The water-air amphibious unmanned aerial vehicle comprises an unmanned aerial vehicle body, a detachable landing gear, an aerial video device, a main controller, a wireless communication module, a navigation module, a flight control system and power systems. The unmanned aerial vehicle body is composed of a fuselage, detachable wings and an empennage. Each power system comprises a lithium battery, a motor, a detachable propeller and jet pump thrusters. The flight control system comprises a lifting steering engine, a direction steering engine and a navigation sensor. The detachable landing gear is a buffering undercarriage or a float. The aerial video device comprises a high-definition camera and a data storage module. According to the water-air amphibious unmanned aerial vehicle, the two power systems, the detachable wings, the propeller and the float are adopted, rapid switching of an aerial cruising mode and an underwater cruising mode can be achieved, and a user can select a power assembly to conduct assembling according to a cruising task. The water-air amphibious unmanned aerial vehicle has the characteristics of being portable, capable of being disassembled and assembled quickly, abundant in function, stable and reliable in performance, capable of achieving quick switch of water and air dual-purpose modes and the like, and wide in application.
Owner:苏州航天系统工程有限公司

Pattern sewing machine template device

The invention provides a pattern sewing machine template device. The pattern sewing machine template device comprises a linear driver, a finger fastening piece, a bracket, a clamping seat and a template, wherein the rear end of the template and the front end of the clamping seat are mutually positioned in a manner of matching a positioning groove with a positioning lug boss; the rear end of the template is provided with a lug boss protruding out of the top surface of the template; the linear driver is fixed on the clamping seat; a retractable shaft of the linear driver is movably connected with the upper end of the finger fastening piece; the middle part of the finger fastening piece is movably connected with the bracket and the lower end of the finger fastening piece extends to the upper side of the template; the bracket is fixedly mounted relative to the clamping seat; when the retractable shaft of the linear driver is at a stretching-out state, the lower end of the finger fastening piece swings backwards and tightly presses the lug boss. According to the pattern sewing machine template device, the template is clamped and loosened by the stretching-out and retraction of the retractable shaft of the linear driver so that the template is convenient and rapid to detach and the working efficiency of a pattern sewing machine is improved; the whole structure is simple so that the configuration cost is also low.
Owner:BULLMER ELECTROMECHANICAL TECH

Connecting member of socket and spigot type tenon-mortise self-locked steel pipe scaffold

The invention relates to a connecting member of a socket and spigot type tenon-mortise self-locked steel pipe scaffold, which can be used for solving the problems of being easy for losing a buckling member and poor in stability and bearing capability. In the technical proposal disclosed by the invention, the connecting member comprises a transverse rod combination body, an upright pipe and an upright rod rabbet socket; the transverse rod combination body is formed by combining a sliding bolt and a transverse rod mortise groove together through a transverse rod; one end of the sliding bolt passes through the transverse rod mortise groove; the other end of the sliding bolt passes through a through hole of the transverse rod; the front end of the transverse rod and the transverse rod mortisegroove are fixed together; the upright pipe is fixed in the upright rod rabbet socket; the four sides of the upright rod rabbet socket are sleeved with the transverse rod mortise groove; and the transverse rod combination body is respectively connected with a horizontal inclined rod combination body and an upright inclined rod. The connecting member disclosed by the invention has the self-lockingfunction and has the advantages of being simple in structure, firm for connection, good in integral stability, high in bearing force, quick for assembly and disassembly and convenient for use. Components are prevented from being lost. The repetitive use rate is high. The application cost is reduced.
Owner:河南中安建设工程有限公司 +1

Device, system and method for detecting air impermeability of oil casing screw thread

ActiveCN106644316ASolve the problem of air tightness detectionSimple and fast operationMeasurement of fluid loss/gain rateRemote controlScrew thread
The invention discloses a device for detecting the air impermeability of an oil casing screw thread and a detecting method thereof. The device comprises a main clamping body, a left fan-shaped clamping body in rotatable and sealed connection to a side of the main clamping body, and a right fan-shaped clamping body in rotatable and sealed connection to the other side of the main clamping body. The left fan-shaped clamping body and the left fan-shaped clamping body are fixedly connected through a buckle switch. The inner wall of the detecting device is provided with a sealing elastic layer, and a gap between the left fan-shaped clamping body and the left fan-shaped clamping body is in sealed contact by means of a sealing adhesive tape. The main clamping body is provided with an air impermeability detecting device and a hydraulic clamping device for clamping the left fan-shaped clamping body and the left fan-shaped clamping body so that the inner wall of the detecting device and an oil casing are clamped. The detecting device and the detecting method are simple in operation and light in structure, solve the air impermeability detection of the oil casings with different sizes, and can be suspended from an oil derrick for easy field operation and remote control.
Owner:SOUTHWEST PETROLEUM UNIV

Combined type rotor unmanned aerial vehicle

The invention discloses a combined type rotor unmanned aerial vehicle comprising a fuselage, an undercarriage and vehicle arm assemblies. The vehicle arm assemblies are provided with vehicle arms andpropellers, wherein the propellers are located at the tail ends of the vehicle arms; a vehicle seat is arranged on the fuselage and provided with extending connecting pipes; the connecting pipes are provided with first through holes perpendicular to the center lines of the connecting pipes; extending connecting columns and annular grooves matched with the connecting pipes are formed in the ends, away from the propellers, of the vehicle arms; the vehicle arms are provided with second through holes perpendicular to the center lines of the connecting columns; and during assembly, the connecting pipes of the vehicle seat extend into the annular grooves of the vehicle arms, meanwhile the connecting columns of the vehicle arms extend into the connecting pipes of the vehicle seat, and inserting of quick-detaching positioning pins can be guaranteed through the positions of the first through holes in the connecting pipes and the positions of the second through holes in the vehicle arms. According to the combined type rotor unmanned aerial vehicle adopting the structure, the vehicle arm assemblies can be detached and carried conveniently, the damaged vehicle arm assemblies can be replaced conveniently, transport is facilitated, damaged pieces can be replaced rapidly, the maintenance cost for the damaged unmanned aerial vehicle falling abnormally is reduced, and the using cost of a user is reduced.
Owner:ANHUI WALTER MACHINERY TRADE

Structure test system with tension-compression bending shear force applying function

The invention relates to a structure test system with a tension-compression bending shear force applying function. The structure test system comprises an L-shaped beam (3), a horizontal force applyingdevice (1), a vertical force applying device (2) and a sample support (6), the L-shaped beam comprises a horizontal portion and a vertical portion which are integrally connected, the bottom surface of the middle of the horizontal portion is in rigid connection with the upper potion of a sample, one end of the horizontal force applying device is connected with a reaction frame or reaction wall surface, the other end of the horizontal force applying device is connected with is connected with the vertical portion of the L-shaped beam (3), the upper end of the vertical force applying device (2) is hinged to the bottom surface of the horizontal portion of the L-shaped beam (3), and the lower end of the vertical force applying device (2) is hinged to the ground, and the sample support (6) is inrigid connection with the lower portion of the sample. Compared with the prior art, the structure test system applies horizontal acting force and vertical acting force through the horizontal force applying device and the vertical force applying device, and tests under unidirectional tension, compression and shearing or tension (compression), bending and shearing composite action can be performed.
Owner:TONGJI UNIV

Construction method for high-pier large-span bridge steel mixing beam in mountainous area

The invention relates to a construction method of a high-pier large-span bridge steel mixing beam in a mountainous area. The construction method comprises the following steps that a steel mixing composite beam is prefabricated in a rear field, the prefabricated structure is optimized, a steel box girder and a concrete bridge panel are ensure to be subjected to force to resist the large cross-pathbeam body down-warping; detachable telescopic joints are additionally arranged on a front supporting leg and a rear supporting leg of a bridge erecting machine, and the bridge erecting machine can adapt to the erection of the bridge with slope below 4%; when the bridge erecting machine passes through holes, a girder transporting vehicle is connected through a crown block as the counterweight, so that a cantilever of the bridge erecting machine can be shortened, and the weight of the whole machine is reduced; and transverse moving wheel sets are arranged below a support in the bridge erecting machine, so that beam sheets can be transversely moved through a full-width machine, and accurate positioning and butt joint of the same-hole multi-piece beams can be realized. According to the construction method, the erection efficiency of the steel mixing combined beam can be effectively improved, the positioning precision and the assembling quality of the steel mixing combined beam are guaranteed, and the steel mixing combined beam is promoted to be applied in the mountainous area high pier large-span bridge.
Owner:ROAD & BRIDGE INT +1
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