32results about How to "Avoid multiple disassembly" patented technology

The invention relates to a display for railway vehicles. The display includes a display circuit board and a main board, and the main board is connected to the display circuit board through a bus; the display circuit board includes LED row and column drive circuits and 9216 surface-mounted LEDs High-brightness light-emitting diodes, LED row and column drive circuits adopt high-power circuits, which can drive ≤300 LEDs at the same time, and can adjust the brightness of ≤256 levels through the program; the main board includes power circuit boards, communication circuit boards and microprocessor circuit boards Among them, the power supply circuit board converts the DC input into 3.3V power supply for internal circuits, and the DC input range can reach 66V-154V. The microprocessor circuit board adopts ARM microprocessor, and the code includes bootloader and executable program. Online upgrade executable program through bootloader. The invention has the advantages of simple and reasonable structure, wide working voltage range, no damage to the bus due to the protection function, and diverse and reliable communication modes.

The invention discloses a four-shaft adjustable overturning clamp for an engine support bracket and relates to the technical field of clamps. The four-shaft adjustable overturning clamp comprises basesupporting legs. An operation platform is fixedly connected to the position, close to the bottom end, between fixing clamping blocks, and side clamping mechanisms are fixedly connected to the left side and the right side of the middle of the top of the operation platform correspondingly. The middle of the top of the operation platform is fixedly connected with an adjusting pressing mechanism, anda rotary scale is arranged on the surface of a right supporting rotating disc. Fixing inserting grooves are formed in a left supporting rotating disc and the right supporting rotating disc correspondingly. According to the four-shaft adjustable overturning clamp for the engine support bracket, the purposes that the engine support bracket is fixed in a multi-angle mode, it is ensured that in the machining and production processes, the skewing or falling phenomenon does not occur to the engine support bracket, the production and machining safety is improved, the situation that during clamping machining, the engine support bracket is dismantled for multiple times is avoided, the machining and production efficiency is improved, and the labor intensity of workers is lowered are achieved.

The invention discloses a mounting and elevating method for a deep-well pump of a liquefied natural gas storage tank. The mounting and elevating method comprises the following specific steps of firstly, in the mounting process of the deep-well pump, firstly, taking one section of steel wire rope with connectors at two ends, connecting one end of the steel wire rope with a low-pressure pump, and connecting the other end of the steel wire rope with a lifting hook of lifting equipment; secondly, downward placing the lifting hook of the lifting equipment to the upper edge of the pump well, then using a brace rod to insert into a supporting hole which is connected with the steel wire rope and is used for lifting a supporting plate, so that the whole deep-well pump is supported; at the same time, detaching the lifting hook, lengthening a steel wire rope with one connector; performing mounting and downward placing work of next section of deep-well pump by using the lengthened steel wire rope, and finishing the mounting work of the whole deep-well pump according to the cycle, wherein the elevating process of the deep-well pump is opposite to the mounting process of the deep-well pump. According to the mounting and elevating method disclosed by the invention, the process can be finished only by using one steel wire rope, so that detaching, mounting and winding work of the steel wire rope in the mounting and elevating process of the deep-well pump for multiple times can be avoided; in addition, the detaching, mounting and winding time of the steel wire rope is greatly shortened.

The invention discloses a prismatic joint clamping device for an SF6 gas test of a GIS combined electric facility. The joint clamping device is used to communicate a prismatic gas chamber joint and atest joint and comprises a clamp connection member, a matching member, and a fastening member. The clamp connection member is connected to the prismatic gas chamber joint. The matching member is provided with a channel, which communicates the prismatic gas chamber joint and the test joint. The fastening member and the clamp connection member are connected through threads. The fastening member is used to push the connection between the matching member and the prismatic gas chamber joint. The joint clamping device is suitable for a prismatic gas chamber joint; a spiral locking structure is usedto replace a screw fastening mode, during the using process, only one fastening screw of the prismatic gas chamber joint is disassembled, the joint clamping device is connected to the gas chamber joint, then an air duct is leaded out through a second port, a test can be carried out; after the test, only one fastening screw is installed, the time for assembling and disassembling screws frequently during the test process is saved, a large amount of assembly-disassembly time is saved, the test process is optimized, and the test efficiency is improved obviously.

The invention provides a pediatric respiratory tract internal medicine atomization dosing device, and relates to the technical field of medical supplies. One end of a medicine tank communicates with amedicine conveying pipeline; one end of the medicine conveying pipeline communicates with a medicine feeder; one end of the medicine feeder communicates with a cover frame, and a mask is movably mounted on the side wall of one side of the outer surface of the cover frame; a dismounting device is movably mounted on the upper surface of the medicine feeder; and one side of the outer surface of themedicine tank communicates with a liquid outlet pipe. By arranging a cleaning device and starting the motor, the motor drives a rotating shaft device to rotate, the rotating shaft device drives an impeller to rotate in the direction of the motor, at the moment, the impeller rotates in the medicine tank to drive water to rotate, the effect of cleaning medicine stains in the medicine tank by rotating the direction of the water is achieved, the working time of operators is saved, and the structure is simple; and the operation is convenient, the cleaning effect is better, the influence on the nexttreatment effect due to incomplete cleaning is avoided, and the device is worth vigorously popularizing.

The invention discloses an efficient polishing drilling machine special for mechanical processing. The efficient polishing drilling machine comprises a platen and supporting feet, wherein a control panel and an electric leakage protection device are installed on a fixed plate; a cooling water tank and a water pump are installed on the right side of a top plate; the water pump transports cooling water in the cooling water tank to a copper pipeline through a water inlet pipe and a water outlet pipe; a driving motor is installed on the left side of the top plate; and a sliding plate is connectedwith a threaded rod fixedly connected with the output end of the driving motor through threads, a lifting platform, a drilling motor and an air cylinder are fixedly installed on a supporting table fixedly connected with a sliding plate, the output end of the drilling motor is connected with a drill bit through a fixed bearing, a fixed platform is fixedly arranged on the platen, the supporting feetare fixedly installed below the platen, and vibration damping devices are installed on the supporting feet. The efficient polishing drilling machine is reasonable in structure and easy to operate, the drill bit can be quickly and efficiently controlled to drill parts in the horizontal direction, holes can be polished after drilling, the production efficiency is improved, and the service life of the drilling motor can be prolonged by arranging cooling water circulation.

The invention provides a multifunctional clamp for an aircraft storage tank vibration test, and relates to the technical field of mechanical design. The multifunctional clamp comprises a tank body, afirst mounting surface, a second mounting surface and a mounting ring, wherein the tank body is provided with a cavity for accommodating a storage tank, the cavity penetrates through a first end and asecond end of the tank body, the first end is provided with an opening for the storage tank to penetrate through, and the opening is communicated with the cavity; the first mounting surface covers the second end, is fixedly connected with the second end, and is used for being connected with a vibration table in a first direction; the second mounting surface is fixedly connected with the outer surface of the side wall of the tank body, is perpendicular to the first mounting surface, and is used for being connected with the vibration table in a direction perpendicular to the first direction; and the mounting ring is arranged between the first end and the second end, surrounds the inner wall of the cavity, and can be detachably connected with the storage tank. The multifunctional clamp for the aircraft storage tank vibration test can reduce the test cost and improve the test efficiency.

The invention provides a brush head and a garment steamer. The brush head comprises a shell, an ironing plate, and a brush, wherein the shell is internally provided with a containing cavity, and the side wall of the shell is provided with a sliding groove; the ironing plate is arranged at the top position of the shell, and a plurality of brush holes are formed in the ironing plate; the brush comprises a brush body which is arranged on the sliding groove, and a locking structure and brush bristles; the locking structure is arranged at the corresponding part of the brush body and the shell; and the brush bristles are arranged on the brush body and correspond to brush holes, and the brush bristles are provided with ironing positions extending out of the brush holes and limited by the locking structure and hidden positions extending into the shell. By means of the structural arrangement mode, when ironing operation needs to be carried out, the bristles extend out of the brush holes of the ironing plate, and then the ironing operation is carried out; and after the ironing operation is completed, a user drives the bristles to enter the shell, and then the storage operation of the brush can be completed.

The invention discloses a line scribing pin for machining by a computer numerical control milling machine. The line scribing pin comprises a line scribing pin rod and a scribing needle, wherein the scribing needle is obliquely mounted at one end of the line scribing pin rod; a scribing needle head extends out of one side of the line scribing pin rod; and the other end of the line scribing pin rodis fixedly mounted with a spindle of the computer numerical control milling machine. The line scribing pin has the following beneficial effects: when a structure adopting the line scribing pin is fixedly mounted with a machine tool spindle, a certain angle is formed between the scribing needle and the side wall of a workpiece, and the machine tool spindle moves according to a program, so that a workpiece contour line and hole site can be scribed on the side wall of the workpiece; the line scribing pin is simple in structure, so that the repeated dismounting and mounting of the workpiece can beavoided, that is, all the line scribing work can be completed through one-time clamping operation; and accordingly, the machining and assembling efficiency can be improved, and the workpiece machining precision can also be improved.

The invention discloses a magnetic suspension bearing stator, a magnetic suspension bearing, a motor, a compressor and an air conditioner, and relate to the field of air conditioners. The magnetic suspension bearing stator comprises a shell and a stator assembly, wherein the shell is provided with a mounting cavity, the stator assembly comprises a connecting ring, the outer circumferential wall ofthe connecting ring is in interference fit with the circumferential wall of the mounting cavity, a first positioning bulge and a first positioning groove are arranged between the connecting ring andthe shell, the first positioning bulge is embedded in the first positioning groove, in the circumferential direction of the connecting ring, the first positioning bulge is abutted against the groove wall of the first positioning groove, the first positioning bulge is arranged on the outer circumferential wall of the connecting ring, and the first positioning groove is formed in the circumferentialwall of the mounting cavity. The assembling difficulty of the stator assembly and the shell is low, and the mounting precision is high; the matching reliability between the connecting ring and the shell is high, even if the magnetic suspension bearing stator operates under a high-temperature working condition, the stator assembly can not shake relative to the shell in the circumferential direction, so that looseness of the stator assembly relative to the shell is avoided, and the system rigidity of the magnetic suspension bearing stator is improved.

The invention provides a device for detecting fire monitor flow and hydraulic pipeline strength and pressure resistance of a fire fighting truck. A hydraulic pipeline is mounted on an arm support of the fire fighting truck, the hydraulic pipeline is connected with a pressure limiting valve arranged on the fire fighting truck, and a water inlet pipeline of the pressure limiting valve is respectively connected with an electric adjustable pressure test pump and a fire monitor flow calibration mechanism through a three-way joint. The fire monitor flow calibration mechanism is provided with a watersupply pump set and an electromagnetic flowmeter connected between the water supply pump set and the three-way joint; an exhaust controller is arranged on a hydraulic pipeline at the top end of the arm support, a channel is arranged in the exhaust controller, an electric control ball valve is arranged in the channel, one end of the channel is connected with the hydraulic pipeline through a flangeplate, an exhaust pipe is arranged at the other end of the channel, and a wireless control device and a power supply module which are connected with the electric control ball valve are further arranged on the exhaust controller. Fire monitor calibration and hydraulic pipeline strength and pressure resistance testing of the elevating fire fighting truck are combined, so that the detection efficiency of the elevating fire fighting truck is improved.

The invention discloses a multi-stage dynamic continuous adjustable variable rotational inertia hydrodynamic retarder test bench, which comprises a main motor, a main shaft, a speed regulation assembly, an electronic control unit, a clutch and more than two inertia disc groups, the more than two inertia disc groups are arranged on the main shaft at certain intervals, and the main shaft is driven by the main motor; the speed regulation assembly regulates the speed of the inertia disc groups to be consistent with the rotating speed of the main shaft; the number of the speed regulation assemblies, the number of the clutches and the number of the inertia disc sets are consistent; and the electronic control unit increases or decreases the inertia disc groups by controlling combination or separation of the clutch according to a given working condition, so that the braking efficiency of the hydraulic retarder is simulated. According to the invention, the braking efficiency of the hydrodynamic retarder under the continuous change ramp working condition or the continuous gear shifting working condition can be simulated.

The invention provides a double-rotating-disc multi-station tool sharpener for high-end equipment manufacturing, and relates to the technical field of tool sharpeners, the double-rotating-disc multi-station tool sharpener comprises a base, the periphery of one grinding roller abuts against a tool body, an adjusting assembly is arranged in a vertical plate and comprises a micro lead screw and a sliding block, the sliding block is installed in the vertical plate in a sliding mode, and the micro lead screw is connected with the micro lead screw. The miniature lead screw is installed in the lead screw installation plate, a transverse rod is fixedly installed on the surface of one end of the sliding block, a fixing assembly is arranged on the transverse rod and comprises a lantern ring and a fixed plate, the fixed plate is fixedly installed at the lower end of the connecting rod, and rubber blocks are fixedly installed in the movable plate and the fixed plate. By means of the two-face overturning fixing assembly and the cutter body, the cutter body can be flexibly overturned, the two faces of the cutter body make random contact with the two grinding rollers, then double-face grinding of the cutter body is completed, in this way, the link that the cutter body is disassembled many times is avoided, the operation process is simpler, and meanwhile the cutter grinding efficiency is improved.

The invention discloses an automatic glove production line based on high efficiency. The glove automatic production line based on the high efficiency comprises a bottom plate, a drying cover and supporting frames, hand mold supporting frames are arranged at the four corners of the bottom plate, transmission gears are arranged at the tops of the hand mold supporting frames, and every two corresponding transmission gears are connected through a conveying chain to form a conveying ring; a plurality of hand molds are arranged at the bottom of the conveying chain, the bottoms of the supporting rods penetrate through the conveying ring to be connected with the bottom plate, a lifting device is arranged at the top of the supporting frame, a glue pool is arranged at the bottom of the supporting frame, a lifting glue pool is arranged in the glue pool, the lifting glue pool is connected with the lifting device, and the drying cover is connected with the bottom plate through a drying cover supporting frame. According to the automatic glove production line based on the high efficiency, the lifting device is used for controlling the lifting glue pool, automatic glue dipping is realized, a motor is used for controlling the transmission gear to drive the transmission chain, structure is simple, operation is convenient, repeated disassembly is avoided, production completion efficiency is higher, the whole structure and occupied area are small, the full utilization of a production site is realized, and application range is wider.