174results about How to "Reduce connection difficulty" patented technology

The invention discloses a double-clad fiber and photonic crystal fiber connecting method. The method includes the steps that a double-clad fiber is tapered, and the tapered double-clad fiber and a photonic crystal fiber are connected through a transition fiber. The method effectively solves the problem that the double-clad fiber and the photonic crystal fiber are difficult to connected in a melting mode in the prior art. The double-clad fiber and the photonic crystal fiber are connected through the transition fiber, so that the double-clad fiber and the photonic crystal fiber are prevented from being connected directly. Besides, before connection, the double-clad fiber is tapered, so that the fiber core diameter and the cladding diameter of the double-clad fiber are reduced. By means of the method, connection difficulty of the double-clad fiber and the photonic crystal fiber can be effectively lowered.

The invention relates to a coupled modular fabricated steel structure building. The steel structure building is composed of an integrated room module units, coupled units and accessory units. All theunits are prefabricated in a factory and transported to a site for assembling, and moreover, connection in the site assembling process is all achieved by adopting bolts. The standard and modular integrated room module units are assembled by adopting the coupled units with the sizes easily adjusted, so that the building layout is more flexible, and meanwhile, the problems of structural member repetitive wasting, difficult connection, complex force transfer and the like caused by existing modular building stoplogs, parallel columns and double plates are solved. According to the coupled modular fabricated steel structure building provided by the invention, 70%-80% of the building workload can be completed in the factory, the building is a highly industrialized prefabricated fabricated building, the site assembling connection all adopts the bolts, site welding operation is avoided, the site operation period is greatly shortened, labor is saved, and water, air and noise pollution of site construction to the environment is reduced.

The invention discloses a universal connecting piece for a fabricated building steel structure frame in the technical field of steel structure connecting mechanisms. The universal connecting piece comprises a connecting seat, a fixing frame is fixedly connected to the top of the connecting seat, a supporting plate is slidably connected to the inner wall of the fixing frame through a rail, a connecting sliding groove is formed in the top of the supporting plate, and a moving plate is slidably connected to the inner wall of the connecting sliding groove. According to the universal connecting piece, by arranging the fixing frame, the supporting plate, the moving plate, a through groove, a connecting frame, a connecting shaft, a supporting frame, a fixing plate, a threaded rod, a U-shaped driving frame, a T-shaped positioning friction plate, a fastening nut, a friction disc, a supporting sliding rail, a supporting sliding plate, a connecting sleeve, a positioning plate and a trapezoidal sliding block, the steel connecting piece can stretch out and draw back according to the distance between the connecting end and the end of a steel structure according to the actual steel structure deformation condition, and meanwhile, the steel connecting piece is adjusted to a proper connecting angle, the connecting difficulty of workers is reduced, and the mounting efficiency is improved.

The invention relates to a semiconductor laser microchannel heat sink which belongs to the semiconductor optoelectronic technical filed. To improve unfavorable situations of poor structural performance, great process difficulty, high cost and the like of the high power semiconductor laser microchannel heat sink, the invention replaces the prior five-layer structure by three-layer, and then reduces difficulty and cost of fabrication, improves mechanical strength and improves the whole heat dispersion by utilizing altitude variation of microchannel wall. The new microchannel heat sink structure applies to the present preparation of any semiconductor laser embattle and stack arrays.

The invention relates to a connecting system and an automatic connecting and processing technology for agricultural plastic thin film greenhouses. The connecting system comprises an adjusting fixing device, a main plate, two arch bar mounting devices and a connecting pipe fixing device. The main plate is mounted at the upper end of the adjusting fixing device, the two arch bar mounting devices aremounted at the left end and the right end of the main plate, and the connecting pipe fixing device is mounted at the upper end of the main plate. The connecting system and the automatic connecting and processing technology have the advantages that the difficult problems that existing arch bars need to be manually mounted when connected by connecting pipes, procedures are tedious and complicated,personnel only can carry out operation by the aid of crawling ladders arranged on soil and can possibly fall off from the instable crawling ladders during work to cause potential safety hazards, operation is difficult to carry out by the personnel on the ladders, the personnel cannot easily stably grab the existing arch bars during connection and only can connect the connecting pipes with the existing arch bars by cooperation by other people, procedures are long in consumed time, high in labor intensity and low in efficiency and the like at present can be solved by the aid of the connecting system and the automatic connecting and processing technology; the connecting system can have a function of automatically connecting arch bars and arch bar connecting pipes with one another.

The invention relates to a flexible connection device of a logging-while-drilling instrument. The flexible connection device consists of a cable fixing box, a cable, a limiting sleeve, a fixed block, a flexible telescopic rod, a centralizing joint, a flexible connector shell and a quick plug, wherein the centralizing joint is positioned in a central hole of a drilling rod, and the outer diameter of the centralizing joint is matched with that of the central hole of the drilling rod; the flexible connector shell is positioned in the central hole of the drilling rod, and the lower end is fixed on the centralizing joint; the cable fixing box is positioned at the inner upper end of the flexible connector shell; a pressing plate is arranged on the cable fixing box; the upper end of the cable is fixed by using the pressing plate; the limiting sleeve is positioned inside the flexible connector shell and outside the central hole of the centralizing joint and connected with an upper end face of the fixed block; a lower end face of the fixed block is connected with the flexible telescopic rod; the flexible telescopic rod passes through the central hole of the centralizing joint and is connected with the quick plug; and the lower end of the cable passes through the limiting sleeve, the fixed block and the central hole of the flexible telescopic rod and is connected with the quick plug. By adoption of the flexible connection device, data transmission and up-down power supplying can be realized. With near-term well-site actual operation, the flexible connection device is extremely low in fault rate and good in effect.

The invention discloses an integrated assembly joint for an isolation tier rubber bearing and column-beam slab system. The integrated assembly joint comprises upper embedded plates, a rubber bearing and lower embedded plates; the rubber bearing is connected between the upper embedded plates and the lower embedded plates; an upper concrete-filled steel tubular column is arranged on the upper embedded plates in nested manner; a lower concrete-filled steel tubular column is arranged on the lower embedded plates in nested manner; the upper concrete-filled steel tubular column is connected with thebeam slab system. The integrated assembly joint is convenient to construct and simple to process and has reliable aseismic performance; a new route and measure is provided for the assembly design andconstruction method of an isolation structure; the integrated assembly joint has important engineering significance to the development of prefabricated isolation building structures; an effective measure is provided for solving the mounting technique and construction method of the prefabricated isolation structures.

The invention relates to a steel-concrete composite bridge and a construction method thereof, and relates to the technical field of bridge construction, the steel-concrete composite bridge is formed by splicing a plurality of steel-concrete sections, and each steel-concrete section comprises a bridge deck slab and a steel box girder; a strip-shaped opening is formed in a top plate of the steel boxgirder in the longitudinal bridge direction; the bridge deck slab comprises a deck slab body and a plurality of hollow ribs arranged below the deck slab body, the deck slab body is fixedly arranged on the upper surface of the top plate, and the hollow ribs are contained in the long-strip-shaped openings. The invention further discloses a construction method of the steel-concrete composite bridge.The steel-concrete composite bridge solves the technical problems that in the prior art, a steel-concrete composite bridge is prone to fatigue cracking, and a bridge deck is prone to damage.

The invention discloses a building wall plate connecting structure and method. The building wall plate connecting structure comprises a wall plate connecting female head and a wall plate connecting male head; the wall plate connecting female head comprises a female head front side connecting plate, a female head rear side connecting plate and a female head connecting plate; the female head front side connecting plate and the female head rear side connecting plate are parallelly arranged at the two ends of the female head connecting plate, and thus an I-shaped frame plate is formed; a first wall plate connecting opening is formed in one side of the I-shaped frame plate, and a connecting piece butting opening is formed in the other side of the I-shaped frame plate; multiple layers of eccentric wheel shaft devices are arranged on the female head connecting plate, wherein every two eccentric wheel shaft devices corresponding to the female head front side connecting plate and the female head rear side connecting plate are arranged on the corresponding layer; a wall plate is used for being inserted into a second wall plate connecting opening to be connected with the wall plate connectingmale head integrally; another wall plate is used for being inserted into the first wall plate connecting opening to be connected with the wall plate connecting female head integrally; and by rotatingthe eccentric wheel shaft devices, male head inserting plates on an inserting head is firmly connected with the female head front side connecting plate and the female head rear side connecting plateon the connecting piece butting opening in a compressed mode.

The invention provides a hypoid gear speed reducer, and belongs to the field of speed reducers. The hypoid gear speed reducer comprises a speed reducer main body, a gear box body and an input flange, wherein the speed reducer main body is arranged in the gear box body; an input shaft mounting hole is formed in the gear box body; and the input flange is a flat flange, and is arranged at a position, corresponding to the output shaft mounting hole, on the gear box body. According to the technical scheme, by the change of the connection mode for the hypoid gear speed reducer and a motor, the difficulty in connecting the hypoid gear speed reducer to the motor is reduced, so that the production cost is reduced, and the effect of making the connection between the speed reducer and the motor firmer is achieved.

The invention relates to a voltage transformer automatic wiring device used for performing primary wiring and secondary wiring on a voltage transformer to be calibrated on a production line, and the device includes a robot located on a side face of the production line and used for performing precise recognition on the position of the voltage transformer and realizing primary wiring and secondary wiring of the voltage transformer; a clamp module mounted on the production line, connected with a test line and the voltage transformer during wiring and used for serving as an intermediate connecting device of the test line and the voltage transformer to improve wiring efficiency; and a controller connected with the robot and used for providing a wiring scheme for the robot and controlling an operation path of the robot. Compared with the prior art, the voltage transformer automatic wiring device has the advantages of accurate wiring, high degree of automation, cost saving and the like.

The invention discloses an engine and motor power coupling mechanism and an automobile. The engine and motor power coupling mechanism comprises an engine, a motor, a one-way clutch, a brake, a lockupclutch and a planetary gear mechanism, wherein the planetary gear mechanism comprises a gear ring, a sun gear and a planet carrier; the engine is connected with the gear ring and the gear ring connecting shaft through an output shaft and the one-way clutch; one end of the brake is fixed to the shell, the other end of the brake is connected with the output shaft and the one-way clutch, and a rotorof the motor is connected with the sun gear and the lockup clutch into a whole through a sun gear connecting shaft; and the planetary gear mechanism is used for coupling power of the engine and the motor and is connected with an automatic transmission through the planet carrier and the input shaft. The mechanism has the advantages of being compact in structure and improving the power performance of the automobile at a low gear.

The invention discloses a propeller and an aircraft. The propeller comprises a burner, a gas entering mechanism, a gas discharging mechanism, a transmission mechanism and a shell, wherein the burner is provided with a burning chamber; the gas entering mechanism comprises a pressing assembly which comprises a pressing shell, a pressing gear and a pressing blade; the pressing shell is provided withan air inlet runner and a pressing gear chamber; the pressing gear is provided with a pressing hollow cavity; the gas discharging mechanism comprises an exhausting assembly which comprises an exhausting shell, an exhausting gear and an exhausting blade; the exhausting shell is provided with an exhausting runner and the exhausting gear cavity; the exhausting gear is provided with an exhausting hollow cavity; the transmission mechanism comprises a transmission assembly which comprises an air inlet transmission gear, an exhausting transmission gear and a transmission connecting part; and the shell is provided with a mounting cavity, and the burner, the gas entering mechanism, the gas discharging mechanism and the transmission mechanism are separately mounted in the mounting cavity of the shell. The propeller is simple and compact in structure and space-saving.

The invention discloses a pump pressure tightness test assembly, a broadside pipeline and an installation method of the broadside pipeline, and relates to the field of ship installation engineering. Apipe valve assembly comprises a broadside pipe and a broadside valve, the pump pressure tightness test assembly comprises a tightness test sealing plate and a tightness test flange, the tightness test sealing plate is connected to the side end face of the broadside pipe in a sealed mode, a first connecting hole is formed in the center of the tightness test sealing plate, and a first threaded connecting pipe is arranged at the first connecting hole; the tightness test flange is detachably connected to the inlet end of the broadside valve, a second connecting hole is formed in the center of thetightness test flange, and a second threaded connecting pipe is arranged at the second connecting hole; when a pump pressure tightness test is carried out, the broadside valve is closed, a pump pressure hose is connected into the first threaded connecting pipe and the second threaded connecting pipe, and pump pressure is carried out from the two sides at the same time. According to the pump pressure tightness test assembly, the broadside pipeline and the installation method of the broadside pipeline, the pump pressure and the installation difficulty of the broadside pipeline are reduced.

The invention provides an H-shaped steel column framework system of a fabricated modularized self-resetting steel structure for a multi-storey and high-rise building and belongs to the technical field of structural engineering. The system comprises outer node modules, corner node modules and inner node modules. The invention provides a novel fabricated module. Frame nodes and inflection points are cut out to serve as wholes to be assembled, the bending moment of the frame inflection points is very small, a weak connecting mode can be adopted among columns, the connecting mode is flexible, the steel consuming quantity is reduced, and the connecting difficulty is lowered. Through design of pre-stress steel stranded wires, residual deformation of the frame nodes can be reduced after an earthquake, and the self-resetting effect is achieved. Through arrangement of holding plates, cover plates and outer ribs, while beam accurate positioning can be achieved, stability of the nodes is improved. The outer ribs are arranged in beam flanges, and thus the beautiful effect can be achieved while the local bearing capacity is improved. In production and construction of the steel-structure system, modularization, the factorization, standardization and assemblage are combined, factory production is achieved, and engineering cost is reduced.

The invention discloses a hollow core die for cast-in-place concrete hollow filling, which comprises plates (12), wherein at least two connected plates (12) form a hollow member. The hollow core die is characterized in that: the plates (12) are connected with at least one hinge (2), the side of the hinge (2) is provided with a reinforcing rib (5), the plates (12) are hollow plates (12), and parallel hollow tubular holes (15) are formed in the plates (12). When the outer wall is a hollow porous outer wall and the hollow outer wall is provided with at least one hinge, the hollow core die has low dead weight, can be folded in a plate state, can save a large amount of transportation space and stacking space during transportation and stacking, and can exponentially improve the transportation quantity and reduce the transportation and storage costs in a small space; when the hollow core die is applied, the hollow core die in a folded state is unfolded; and the hollow core die is convenient for application and construction, and is suitable for various hollow slabs, hollow floors, roofs, foundation bottom plates, walls and open web bridges of cast-in-place reinforced concrete or pre-stressed reinforced concrete, especially hollow girder-less floors.

The invention discloses a surveying and mapping device for land consolidation. The surveying and mapping device comprises a triangular supporting frame, a hollow pipe is welded to the middle of the bottom end of the triangular supporting frame, a connecting plate is fixedly installed on the edge of the bottom end of the hollow pipe, notches are formed in the middles of the three edges of the outer surface of the connecting plate, and fixing blocks are welded to the three corners at the top ends of the connecting plate. A rotating column is welded to the middle of one end of each fixing block, and a hanging rod is rotationally connected to one end of the outer surface of each rotating column. Through the triangular supporting frame, the hollow pipe, the connecting plate, the notches, the fixing blocks, the rotating columns, the hanging rods and arc-shaped strips, supporting legs of the triangular supporting frame can be conveniently clamped, and the phenomenon that the supporting legs of the triangular supporting frame shake after being gathered is prevented. Meanwhile, the levelness of the triangular supporting frame can be observed, the observation difficulty of the levelness of the triangular supporting frame is lowered, then the triangular supporting frame can be leveled conveniently, and the leveling difficulty of the triangular supporting frame is lowered.

The invention relates to a power supply unit used for an instrument for measurement while drilling. The power supply unit comprises an outer drum which can be in fixed connection with a drilling rod, a battery drum arranged in the outer drum in a sleeve connection manner and a battery pack arranged in the inner cavity of the battery drum, wherein an annular space is formed between the battery drum and the outer drum, a lead terminal is fixedly arranged on the battery pack, a conductive contact located at one end of the lead terminal is electrically connected with an electric connector, and a conductive contact located at the other end of the lead terminal is connected with the positive or negative electrode of the battery pack. The battery pack can move in the battery drum; when the battery pack is located at a first position, one end of the battery pack is isolated from the conductive contact located at the other end; and when the battery pack is located at a second position, one end of the battery pack is electrically connected with the conductive contact located at the other end. The power supply unit is easy to dismount and is safe and reliable.

The invention relates to tunnel drilling construction equipment. The tunnel drilling construction equipment comprises a supporting bottom plate, a pipeline pushing device, a discharging device, a screw thread pushing device and a screw thread installing device. The pipeline pushing device is arranged on the top of the left end of the supporting bottom plate, and the discharging device is connectedwith the upper end face of the middle portion of the supporting bottom plate. The screw thread pushing device is located below the discharging device and arranged on the top of the supporting bottomplate. The screw thread installing device is connected with the top of the left end of the supporting bottom plate. The pipeline pushing device comprises a pipeline supporting push rod, a pushing support plate, a pushing push rod, a pushing plate, an arc support, a pipeline rotation mechanism, a pipeline clamping sleeve, a supporting bearing frame, a clamping plate and a clamping plate push rod. The tunnel drilling construction equipment can solve the problems that during tubular running construction through an existing pipe shed method, the labor intensity is large, risks exist due to manualoperation, screw thread and casing pipe connection is manually conducted, the casing pipe and screw thread connection error is large, and the casing pipe and screw thread connecting difficulty is large.

The invention relates to the technical field of cables, and discloses an auxiliary device convenient for adjusting the connection direction of cables. The device comprises a left base plate and a right base plate, an outer sleeve is fixedly connected to the bottom of the left base plate, a limiting hole is formed in the bottom of the outer sleeve, an inner sleeve is fixedly connected to the bottomof the right base plate, the inner sleeve is movably inserted into the outer sleeve, and a limiting rod is fixedly connected to the bottom of the inner sleeve. A left fixing mechanism and a right fixing mechanism which are the same in structure are arranged at the top of the left base plate and the top of the right base plate respectively, the cables are fixed through an upper fixing base and a lower fixing base, a friction roller can be driven to rotate by rotating a first handle, then the cables can be pulled, a first worm wheel can be driven to rotate by rotating a second handle, then thecables are driven to rotate, so the angle of the cables can be adjusted, the two cables are aligned, more labor is saved compared with the mode of manually pulling the cables or adjusting the angle, and the connection difficulty is reduced.

The invention relates to a stressed template component used for a floor system, and the component is composed of a template (1) and is characterized in that the invention also comprises trusses (2) which are parallel and arranged at intervals, and the trusses (2) are arranged on the template (1) and are connected with the template (1) into a whole; the trusses (2) are provided with a top boom (3), a lower boom (4) and a web member (5); wherein, the web member (5) is connected with the top boom (3) and the lower boom (4); the lower boom (4) of the trusses (2) is of an integral elongated template (1); the trusses (2) are of a rodless lower boom (4). The invention is applicable to cast-in-situ reinforced concrete or a hollow floor system, a roof system, walls and a foundation slab of the prestressed reinforced concrete as well as a vierendeel bridge girder, and is particularly suitable for a hollow flat slab.