13results about How to "No adjustment required" patented technology

The invention discloses a hot water circulating pump with couplings, and relates to the field of centrifugal pumps, the hot water circulating pump comprises a base, the top surface of the base is fixedly connected with a base plate, a protective cover, a first support and a pump body, and the end face of the pump body is provided with a machine seal gland. Therefore, maintenance cost is reduced, potential safety hazards are reduced, the coaxiality calibration process is simplified, repeated measurement and adjustment of the position of the motor are not needed, time and labor are saved, coaxiality can be guaranteed, overload protection can be achieved, overload burning of the motor can be avoided, safety accidents are reduced, the operation safety of the whole hot water circulation system is improved, and the service life of the hot water circulation system is prolonged. And overload protection can be adaptively changed according to the size of the motor, so that coaxiality calibration and overload protection adjustment are synchronously carried out, secondary measurement and adjustment are not needed, and the automation degree of the device is improved while time and labor are saved.

The application discloses a method and device for precisely adjusting atomization quantity of an ultrasonic humidifier, and relates to the technical field of ultrasonic humidification atomization and air conditioning. The method comprises the following steps: S1, supplying power to E transducers in the ultrasonic humidifier one by one, and the atomization quantity of the ultrasonic humidifier increases with the increase of the number of the powered transducers until all the E transducers are powered; S2, after all the E transducers in the ultrasonic humidifier are powered, gradually increasing the power supply voltage of the transducers, and the atomization quantity of the ultrasonic humidifier increases with the increase of the power supply voltage until the power supply voltage increases to a nominal value, at which time the atomization quantity of the ultrasonic humidifier reaches the nominal value. The application realizes the precise adjustment of the atomization quantity of the ultrasonic humidifier by using the coupling strategy of the number grading control of the transducers and the power supply voltage adjustment of the transducers.

The utility model discloses a kind of reinforcing structures between steel structure factory building beam column steel frame, including the inclined brace component being arranged between existing steel column and existing steel frame beam, inclined brace component includes inclined brace rod, and column connecting plate and beam connecting plate being arranged at both ends, column connecting plate connects the existing steel column, and beam connecting plate connects the existing steel frame beam;Existing steel column is provided with column reinforcing plate in the region of connecting the column connecting plate, and existing steel frame beam is provided with beam reinforcing plate in the region of connecting the beam connecting plate;Adjacent the existing steel column between being arranged at factory building side wall is further provided with detachable intercolumnar rigid tie rod, and the setting height of the intercolumnar rigid tie rod is not lower than the height of column connecting plate at the position. Through the above setting, the safety and stability of the roof truss beam can be better ensured, the roof permanent load can be increased, the overall structure is simple, and the original structure does not need to be disassembled or adjusted, so the installation and construction are easy.

The utility model relates to the technical field of power electronics, in particular to a dual-power-supply main / standby power uninterruptible power supply device, which comprises a dual-switch power supply module electrically connected with a first diode module and a second diode module through a first direct current power supply loop fuse and a second direct current power supply loop fuse respectively; the top plate of the radiator is fixedly provided with the first diode module and the second diode module; the fan is arranged on one side of the radiator and is controlled to start and stop through a temperature control switch; the first diode module and the second diode module are respectively provided with a DC output load end. According to the utility model, the problems of system failure, high UPS scheme cost and large size caused by failure of a single power supply in the prior art are solved.

This utility model discloses a yarn bobbin changing device and winding machine for preparing fiber knitted fabrics, relating to the field of textile machinery technology. It includes a guide rail base; a sliding base slidably connected above the guide rail base; a rotating base rotatably connected above the sliding base; a hydraulic cylinder fixedly connected above the rotating base; a mounting frame disposed above the hydraulic cylinder, with its bottom fixedly connected to the drive end of the hydraulic cylinder; and two sliding frames, each slidably connected to the outside of one end of the mounting frame. This utility model discloses a yarn bobbin changing device and winding machine for preparing fiber knitted fabrics. Through an adaptive operating module, it utilizes the synchronous expansion of a telescopic airbag and a clamping airbag to achieve flexible clamping, realizing stable gripping and non-destructive fixing of empty yarn bobbins of different specifications without frequent adjustments to the clamp specifications, while effectively avoiding damage to fragile bobbins such as paper.

The utility model discloses a cable grounding device, apply to wiring device technical field, including the shielding ring of inside having inner annular groove, the contact finger spring of being sleeved in the inner annular groove, after the shielding layer of cable is turned over and enters the shielding ring, the inside of contact finger spring is contacted with the shielding layer and the shielding layer partial shielding silk is embedded in the contact finger spring, the outside of contact finger spring is extruded contact with the inner annular groove, still include the metal shell of with shielding ring outer wall passes through O type ring connection, the sealing ring, the clamping claw and the galling nut of being connected in proper order in the front end of metal shell, and with the connecting nut assembly of metal shell rear end connection. This cable grounding device can fix the shielding layer of cable, and the production assembly is convenient, and shielding connection is stable and reliable.

This application discloses a CNC milling machine for machining milling cutters, relating to the field of CNC milling machine machining technology. It improves upon the problems of existing CNC milling machines requiring frequent fixture changes when machining milling cutters of different diameters, leading to low machining efficiency, long auxiliary time, and easy introduction of positioning errors. The machine includes a body and a worktable disposed within the body. The worktable is equipped with a positioning seat, which has positioning holes. Limiting blocks are spaced apart within the positioning holes, and multiple limiting blocks are distributed circumferentially along the positioning holes. The limiting blocks are slidably disposed within the positioning seat. The positioning seat is equipped with an elastic element for driving the limiting blocks to slide towards the center of the positioning holes. At least two clamping members are spaced apart above the positioning seat. Each clamping member includes a clamping block and a radial drive unit that drives the clamping block to move radially along the workpiece. This application achieves automatic centering and clamping of workpieces of different diameters and reduces machining errors.

The utility model discloses a die-cutting knife line separating device, and relates to the technical field of mechanical engineering. Comprising a machine shell and further comprises a fifth lead screw, the outer wall of the fifth lead screw is rotationally connected with the inner wall of the machine shell, the outer wall of the fifth lead screw is in threaded connection with third cutter adjusting plates, and the third cutter adjusting plates are arranged along the central axis of the fifth lead screw in a linear array mode. Compared with a traditional integral adjusting device, an operator can regulate and control the die-cutting knife die and the line pressing part according to actual requirements, mutual influence between the die-cutting knife die and the line pressing part does not need to be considered, tedious operation and possible error accumulation caused by integral adjustment are avoided, and the purpose of the die-cutting knife line separating device is achieved.

The utility model discloses a fool-proof pre-pressing screw locking auxiliary tool which comprises a fixing column, a positioning assembly is arranged at the bottom of the fixing column, a plurality of sets of clamping areas are arranged on the positioning assembly, a plurality of sets of limiting rods are arranged in front of the fixing column, and limiting pressing plates are arranged on the limiting rods in a sliding and sleeving mode and located above the positioning assembly. A plurality of groups of positioning areas are arranged on the limiting pressing plate and are in one-to-one correspondence with the clamping areas, a pushing assembly is arranged on the side surface of the fixing column, and the lower part of the pushing assembly is connected with the limiting pressing plate, so that fool-proof and pre-pressing can be realized, the direction installation errors of the high-voltage wiring harness and the low-voltage wiring harness can be reduced, and meanwhile, the high-voltage wiring harness and the low-voltage wiring harness can be prevented from being damaged by pre-pressing. And the low-voltage wire harness is better attached to the box cover and is locked in place.

The utility model discloses a yellow rice wine oak barrel device convenient for sampling and dumping, which belongs to the field of oak barrel overturning and dumping, and comprises a dumping component, the top end of the dumping component is fixedly connected with two symmetrically arranged brackets, and the technical scheme is characterized in that a motor in the dumping component drives a transmission structure of a worm, a worm gear, a gear and a rack, so that the dumping component can conveniently sample and dump the yellow rice wine. The height adjustment and dumping action of the oak barrel body can be accurately controlled, labor-consuming manual carrying or adjustment is not needed, and the labor intensity is greatly reduced; a motor of the clamping assembly drives a two-way lead screw, clamping and loosening of the oak barrel body can be rapidly achieved, loading and unloading of the oak barrel body are facilitated, the operation efficiency is remarkably improved, staggered lifting of two racks is controlled, the oak barrel body is made to shake, yellow wine precipitated in the barrel is effectively mixed, and it is ensured that a taken-out sample can truly reflect the quality of the whole barrel of yellow wine; and in the yellow rice wine pouring process, the oak barrel body can flexibly rotate to adjust the pouring angle.

This utility model relates to a deep vein catheter fixation patch, comprising a fixation patch body that can adhere to the skin at the puncture site. An opening for the catheter to pass through is provided on the fixation patch body. A puncture site disinfection pad surrounds the edge of the opening and contacts the skin at the puncture site. The first tip of the catheter passes through the opening and is fixed to the outer surface of the fixation patch body. A heat-sealing film covers the outer wall of the catheter. A second tip of the catheter is fixed to the outer surface of the fixation patch body. The puncture site disinfection pad surrounds the edge of the opening and directly contacts the skin at the puncture site. This continuously disinfects and sterilizes the skin around the puncture site, effectively inhibiting microbial growth. It can fill any gaps that may exist between the catheter and the skin, blocking the pathway for microorganisms to enter the body. The heat-sealing film covering the outer wall of the catheter forms a physical barrier, reducing contact between external microorganisms and the catheter, and preventing microorganisms from spreading along the outer wall of the catheter to the puncture site.

The utility model relates to liquid accumulator processing technical field especially a kind of liquid accumulator shell spinning machine, including rack, output spindle installed on rack, chuck for clamping cylinder installed at the output end of output spindle, jet nozzle for spraying cylinder in chuck, spinning cutting assembly for spinning cutting processing to cylinder installed on rack and adjusting assembly installed on rack, the adjusting assembly includes support frame for supporting cylinder, rotating component for rotating 180 degrees back and forth with support frame horizontal, first lifting component for driving rotating component to move up and down installed on rack and pusher component installed on rack for pushing cylinder on support frame into chuck, the support frame is provided with the axis line and the rotating axis line of output spindle coincide and the support groove for contacting with the outside surface of cylinder. The liquid accumulator shell spinning machine of the utility model can improve the processing efficiency of liquid accumulator shell.

The invention discloses bent pipe cutting equipment for hardware product manufacturing, and relates to the technical field of cutting equipment.The bent pipe cutting equipment comprises a base, an adjusting assembly is installed at the top of the base, the adjusting assembly comprises two gears rotationally arranged at the top of the base and symmetrically arranged, and the outer walls of the two gears are provided with contact arms matched with the two ends of a bent pipe; and a springback piece matched with the gear is mounted at the top of the base. Through cooperative arrangement of the driving assembly, the adjusting assembly and the triggering piece, the two ends of the bent pipe make contact with the inner side walls of the contact arms on the two symmetrical gears, the end faces of the two ends of the bent pipe are attached to the inner side walls of the contact arms under pushing of the driving assembly in cooperation with the pressing force of the springback piece, and meanwhile the contact arms drive the triggering piece to move backwards; the trigger piece moves backwards to drive the rotating assembly and the cutting device on the rotating assembly to move, the intersection point of extension lines of the two contact arms, namely the bending axis of the bent pipe, can be accurately positioned, and manual measurement or repeated adjustment is not needed.