51results about How to "Reduce production and assembly costs" patented technology

The invention discloses a directly moving type high-flow directional flow servo valve and a control system using the servo valve. A valve core of the servo valve is pushed by a cam shaft driven by a servo motor; the cam shaft comprises an eccentric section and a driving section; one end of the valve core is pressed and leaned against a shaft surface of the eccentric section; a zero position sensing head is arranged on the shaft surface of the driving section; an inductive sensor which is matched with the zero position sensing head is arranged on a cam box; the inductive sensor is connected with a controller; and the controller is used for receiving a signal of the inductive sensor, controlling the servo motor to rotate back and forth in a small scope and performing the zero position positioning on the valve core. The servo valve is high in response speed and high in control precision. Meanwhile, the zero position positioning of the valve core is high in accuracy, is free from temperature null shift and is high in repeating precision. The adjusting time for the zero position positioning is short and a hydraulic system is relative stable when the zero position is adjusted.

The invention discloses a thin-wall structural member automatic arranging and positioning machine and an arranging and positioning method before finish machining. Structural members are placed on a tool, and the tool is fixed on a clamp. An adsorption hand, a compressing mechanism and an adhesive dispensing head operates automatically in sequence through a control system, so that the structural members are arranged and positioned on a gauge block in an ordered mode. Besides, due to the fact that an XYF three-degree-of-freedom driving system which drives the clamp to move has a rotation function, when arranging and positioning on one side of the gauge block is finished, arranged and positioning of the structural members on the other side of the gauge block are carried out instantly. No manual operation is needed, arranging and positioning of a plurality of structural members can be achieved at one time, so that the production efficiency is greatly improved. Besides, by means of the thin-wall structural member automatic arranging and positioning machine, arranging and clamping efficiency can be effectively improved, quality of products machined in a later period is guaranteed, production and assembly cost is reduced, labor intensity of an operating worker is greatly relieved, and the problems of machining and assembly stress inevitably introduced in manual assembly can be effectively resolved.

The invention relates to a hook assembly and a ground hook device of a ground lock device for an anti-theft safety door, belonging to the technical field of rolling gates, including a box body, which is characterized in that: the box body is hollow and has a triangular prism structure, and the prism in the length direction of the triangular prism There is a hook entrance for insertion and cooperation with the hook on the side, and there are locking runners and overhead paddles for opening and closing on the left and right sides of the hook inlet. The locking runner is installed on the inner wall of the box through the runner pivot. The overhead pick is mounted on the inner wall of the box via a pick pivot. The present invention has a simple structure, fewer matching components, very convenient assembly and maintenance, and low production and maintenance costs while ensuring improved safety performance.

The invention provides a clutch for an electric control silicon-oil fan. The clutch comprises a driving shaft, a shell arranged on the driving shaft through a bearing, a drive plate fixed on the driving shaft, and a driven plate fixed on an end cover, wherein the fan is arranged on the driven plate; the end cover and the shell are fixed into a whole; an oil storage cavity and a work cavity are arranged between the driven plate and the shell, and are communicated through an oil feed hole and an oil return hole; an electromagnetic control switch controls the open and close of the feed hole, and is fixed on the driving shaft and positioned at the back of the shell; a fan rotating speed test component is arranged between the electromagnetic control switch and the shell, and an electromagnetic shielding layer is arranged between the fan rotating speed test component and the electromagnetic control switch; and the fan rotating speed test component transmits a test signal to a central processor. The structure has the function of energy conservation, is environmental friendly, and can accurately test data.

The invention relates to an electric control signal reflection fan clutch which comprises a driving shaft, a shell, a driving plate, a follower plate, a photoelectric induction type fan speed test component and a central processing unit, wherein the shell is installed on the driving shaft through a bearing; the driving plate is fixed on the driving shaft; the follower plate is fixed on an end cover; the fan is installed on the follower plate; the end cover and the shell are fixed integrally; an oil storing cavity and a working cavity are arranged between the end cover and the shell; the oil storing cavity and the working cavity are communicated by an oil inlet and an oil return hole; the oil inlet is controlled by an electromagnetic control switch to be opened and closed; the photoelectric induction type fan rotate speed test component tests the fan rotate speed; and the central processing unit receives the test signals. The fan rotate speed test component with the structure is unaffected by the magnetic field of an electromagnetic switch, and has accurate speed measuring, energy saving and environmental protection.

The invention provides an automatic titration apparatus for an analytical instrument. The automatic titration apparatus comprises an electromagnetic stirring device, a feeding and discharging liquid metering system, a fastening mechanism, a titration end point monitoring device and a controlling and calculating unit, wherein the electromagnetic stirring device has only one liquid feeding and discharging opening in the bottom and is provided with a central through hole. The apparatus can be used for photometric titration and potentiometric titration, and is simple to install and low in cost.

The invention relates to the technical field of household appliance equipment, in particular to a safe automatic wire connecting double-side socket. In order to overcome the defects of difficult wire connection, no safety, high cost and poor contact, the safe automatic wire connecting double-side socket comprises power copper plates, cams, switch shifting forks, a gum cover and a lock ring. The double-side socket is characterized in that one side of each of three copper plates is respectively provided with a cam, while the other side is provided with a cam for a switch; two holes of the switch cam are matched with switch shifting forks; axial holes of three wire connecting cams are diagonally provided with a return spring hole; and a small ring tows the return spring hole to make the cams deflected and pressed against the copper plates. One end of the gum cover is jointed with a silk bushing at the wire connecting part, while the other end is provided with the lock ring which is screwed with the silk bushing; grounding copper plates, the power copper plates, and the like are fixed by shuttering rests and elastic foam rubber blocks; the cams are designed into a cylinder shape; the four cams have the same size; and the back side of the socket is also provided with power jacks and common earthing jacks with the same number. The double-side socket has the characteristics of automatic wire connection, safety, low cost and capability of being inserted on two sides.

The invention relates to the field of PCB plug-in assembly, in particular to a PCB plug-in feeding system for guiding installation through utilizing laser. The PCB plug-in feeding system comprises a PCB, and further comprises a rack, a positioning and installing mechanism, a laser guiding mechanism, a feeding mechanism, a material taking mechanism and an electric control system, wherein an inclined operation platform is arranged in the middle of the rack, the positioning and installing mechanism comprises a PCB carrier platform, the laser guiding mechanism is arranged at the top end of the rack, the laser guide mechanism is provided with a laser emitter capable of freely moving in the X-axis direction and the Y-axis direction, the feeding mechanism comprises a plurality of material supply boxes capable of freely moving in the X-axis direction and the Y-axis direction, and the positioning and installing mechanism, the laser guiding mechanism, the feeding mechanism and the material taking mechanism are all electrically connected with the electric control system. According to the PCB plug-in feeding system, a laser designator, a linkage mechanical conveying device and an intelligent material supplementing system are utilized, materials needed by laser indication are automatically supplied, the probability of wrong insertion is completely eradicated, the production efficiency is improved, the pre-warning material supplementing function is achieved, and lean production is achieved.

The invention discloses greenhouse planting warm air equipment for seedling raising and heating and an operation method thereof. The equipment comprises a supporting platform, sleeving discs, extending platforms and supporting rods, wherein the supporting platform is obliquely arranged, and the sleeving discs sleeve the supporting platform. The equipment has the advantages that the equipment movably blows warm air into a greenhouse, so that the coverage of an area into which the warm air is blown in the greenhouse is more uniform and comprehensive, the heating quality of the equipment for the greenhouse is improved, the working automation degree of the equipment is higher at the same time, and time and labor are saved when the equipment is used. The sleeving discs are connected into screw holes in the two ends of each mounting ring through the bottoms of two screw bolts respectively, the sleeving discs and the supporting platform are connected during mounting, and it is ensured that people can mount any sleeving disc of different sizes to heat greenhouses according to the actual heating demands of the greenhouses different in area, so that the use flexibility is guaranteed.

The invention aims at providing a clapping direct-acting normally-open relay with low energy consumption, small size and low cost. The clapping direct-acting normally-open relay comprises a shell, wherein a magnetic circuit part, a movable contact part and a static contact part are arranged in the shell; the magnetic circuit part comprises a coil frame and a coil arranged on the coil frame; a through hole which penetrates through the left side and the right side is arranged in the coil frame; an iron core is arranged in the through hole; one end of an L-shaped yoke iron and the iron core are fixed, and the other end of the L-shaped yoke is located on the upper side of the coil frame and is matched with an armature; the two ends of the armature are respectively a touch end and an attractingend; the attracting end of the armature is arranged on the left side or the right side of the iron core; the touch end of the armature is arranged on the upper side of the yoke iron and is located onthe lower side of the lower end of a push rod; and the coil is electrified to enable the attracting end of the armature to move towards the end, away from the yoke, of the iron core, and to enable the touch end of the armature to drive the push rod to move upwards.

The invention provides a processing and assembling process of a radio frequency coaxial cable connector. The method comprises the following steps: S1) cable inspection, super-long cutting and preheating treatment: performing inner and outer conductor coaxiality, distortion, ring grains, cracks, sand holes and pollution inspection on an assembled cable, performing moderate super-long cutting on thequalified cable according to a required length, and storing the cut cable in an environment of -45 DEG C to -35 DEG C for 1-2 hours, and then putting the cable in a room temperature environment for 1-2 hours. According to the processing and assembling process of the radio frequency coaxial cable connector, the processing and assembling process of the connector is optimized, the assembling processis standardized, the production and assembling cost of the radio frequency coaxial connector is reduced, effective and strict process control and quality acceptance control are achieved in each link,influence factors of all links during assembly processing are fully considered and can be reasonably avoided, the reliability of the radio frequency coaxial cable connector and assemblies is improved, and the product quality is ensured.

The invention relates to the technical field of locks, in particular to a lock using push plates for transmission. The lock comprises a lock tongue panel, a square tongue, a square tongue transmissionmechanism, a lock shell and a lock cylinder assembly; the lock tongue panel is provided with a square tongue extending and retracting opening; the square tongue transmission mechanism comprises a longitudinal push plate and a sliding push plate; the lock cylinder assembly comprises a lock cylinder, a locking rotating seat and a shifting piece; the shifting piece is connected with a square tongueshifting rod which extends outwards in a bending shape; the shifting piece is connected with and fixed to the locking rotating seat; the upper end of the longitudinal push plate is bent; the upper endand the lower end of the longitudinal push plate are parallel to each other, so that the longitudinal push plate is in a Z shape; and the press-fit end is arranged at the upper end of the longitudinal push plate. The lock adopts the specially structural longitudinal push plate and the sliding plate to achieve transmission, the transmission structure in the lock is simpler, and the stress is moredirect, so that the lock is lower in production and assembly cost, lower in mounting and maintaining ratio, more compact in structure, smaller in whole size and wider in application range.