49results about How to "Rotation does not occur" patented technology

The invention discloses a deformation shock-absorption traveling part of a double-worm-gear mechanism. The deformation shock-absorption traveling part comprises a stander, an angle adjusting apparatus, epicyclic gear train assemblies and traveling assemblies; the angle adjusting apparatus is connected with the stander, a double-worm-gear mechanism is adopted, and a deformation drive assembly drives a worm to drive two worm gears to rotate; the epicyclic gear train assembly comprises a sun gear, a rocker arm, planetary gears and a shock absorption element; the sun gear is coaxially connected with the worm gears, and the rocker arm is coaxially and pivotally connected with the sun gear; the two planetary gears are pivotally connected with the rocker arm, and the planetary gears are engaged with the sun gear; the shock absorption element is respectively connected with the stander and the rocker arm; and the two epicyclic gear train assemblies are symmetrically arranged, and the two traveling assemblies are respectively connected with the two planetary gears. The invention also provides a firefighting moving platform with the deformation shock-absorption traveling part of the double-worm-gear mechanism. The firefighting moving platform can be used for designing a firefighting robot, so that a robot traveling part is deformable and has shock absorption performance.

The invention discloses a mould grinding device for aerospace. The mould grinding device for the aerospace comprises a box body; a fixed plate is fixedly connected between the opposite two sides of the inner wall of the box body; the bottom of the inner wall of the box body is fixedly connected with a first motor; an output shaft end of the first motor is engaged with a second gear trough a firstgear; the centre of the second gear is fixedly connected with a rotating plate through a supporting shaft; each of the two sides of the inner wall of the box body is rotatably connected with a threaded rod through a fixed block; one end of each threaded rod is fixedly connected with a first belt pulley; the surface of each threaded rod is in threaded connection with a threaded block; one side of each threaded block is fixedly connected with a grinding box through a connecting plate; the inner wall of the grinding box is fixedly connected with a rotating box through a first transmission shaft;and the inner wall of the rotating box and one end of the grinding rod are fixedly connected with a grinding head through a driving device. The invention relates to the technical field of aerospace manufacturing. The mould grinding device for the aerospace solves the problem of low efficiency in a multi-angle grinding process and improves the machining efficiency.

The invention discloses a transformer wire placement rack and a method of using the same, the technical scheme is characterized by comprising a rack, a rotating shaft, a friction disc, a friction strip, a servo motor, a sensor and a controller, wherein a square groove is arranged at one end of the rack directly facing the rotating shaft protruding from the shaft barrel; a square rod is arranged inthe square groove in a sliding manner; a hydraulic cylinder is arranged at one end of the square rod away from the square groove; a semicircular bearing matched with the rotating shaft is arranged atthe top end of a piston rod of the hydraulic cylinder; a sliding block is mounted in a through groove in a sliding mode, a push block is installed in a circular cavity in a sliding mode, and a screwis mounted in the circular cavity in a rotating mode. According to the transformer wire placement rack, the rotating shaft can be dynamically loaded and output, the situation that the output load andthe preset parameters are the same in the wire drawing process are improved, the product quality rate and the production efficiency are improved, the stability of the shaft barrel on the rotating shaft can be improved, and the shaking situation of the rotating shaft on the rack can be avoided.

The invention discloses a pipe renewal tunneling machine and a construction method thereof. The pipe renewal tunneling machine comprises a main tunneling unit and a dredging circulating system, wherein a sludge-removing dredging device is arranged on the front portion of the main tunneling unit, and the sludge-removing dredging device penetrates through the main tunneling unit to be connected withthe dredging circulating system. The main tunneling unit comprises a shield body and a breaking and tunneling cutter head, a main drive is arranged in the shield body, the main drive is connected with the breaking and tunneling cutter head, an excavation bin is arranged between the breaking and tunneling cutter head and the main drive, a slurry inlet pipe is arranged on the upper portion of the excavation bin, and a sludge discharging system is connected with the lower portion of the excavation bin. The sludge-removing dredging device penetrates through the main tunneling unit to be connectedwith the dredging circulating system, in the tunneling process, the sludge-removing dredging device goes ahead of the cutter head of the main tunneling unit, sludge in a pipeline is removed, waste water in the pipeline flows backwards through the dredging circulating system, and it is ensured that a fluid medium in a renewed pipeline is not unblocked in the construction process, the renewed pipeline can keep unblocked and cannot be cut off, and it is achieved that pipeline breaking and renewal laying are synchronously completed.

The invention provides a protective device used for preventing whipping in an optical fiber screening process. The protective device is characterized by comprising a screening device, a winding displacement guide wheel, a winding displacement disc, a limiting slot, a protective cover, a barrier plate and a motor, wherein two screening large guide wheels are arranged in the screening device; a broken fiber collecting box and a plurality of screening small guide wheels are arranged between the screening large guide wheels; the winding displacement guide wheels are used for guiding optical fibersto enter the winding displacement disc from the screening device; the winding displacement guide wheels are arranged between openings of the protective cover; the openings of the protective cover arestrip-shaped, and upper and lower surfaces of the openings are alternated; bulges are arranged on lower plate surfaces of the openings of the protective cover; a limiting slot is formed in the tail ends of the lower plate surfaces; and an electrostatic elimination rod is embedded into the upper plate surfaces of the opening of the protective cover. In the technical field of optical fiber production, in order to solve the problem that normal optical fibers are damaged as broken fiber heads in an optical fiber screening process easily whip small disc surfaces of qualified optical fibers in front, the invention provides the protective device which is simple in structure and is easy in operation.

The invention provides a rotary worktable for assembling a button cell. The rotary worktable comprises a base; a rotating mechanism, a rotating disc, a positioning mechanism and a liquid dropping mechanism are arranged on the base; a plurality of circular grooves are uniformly formed in the top surface of the rotating disc; the rotating mechanism is connected with the base; the positioning mechanism comprises a lifting mechanism and a positioning plate; the lifting mechanism comprises a connecting rod, a fixed sleeve and a cylindrical cam which are sleeved with one another from inside to outside; a shaft pin is arranged at one end of the connecting rod; a vertical sliding groove is formed in the fixed sleeve; a spiral sliding groove and a handle are arranged on the side wall of the cylindrical cam; the shaft pin penetrates through the vertical sliding groove and the spiral sliding groove; the cylindrical cam is rotated through the handle; the spiral sliding groove drives the shaft pinto slide along the vertical sliding groove, so that the positioning plate is driven to limit the position of the circular grooves and assist electrode plates and gaskets in being guided into the circular grooves; the liquid dropping mechanism injects electrolyte into the button cell. The rotary worktable for assembling the button cell, provided by the invention, is simple in structure, can realizeaccurate alignment and assembly, improve labor efficiency and reduce labor intensity.

The invention discloses a transformer electric wire arranging frame capable of improving the stability. The technical scheme of the transformer electric wire is characterized by comprising a rotatingshaft and a machine frame, wherein a square groove is formed in the position, located right opposite to one end of the rotating shaft, of the machine frame, and the end extends out of a shaft barrel;a square rod is slidingly arranged in the square groove, a hydraulic cylinder is arranged on the end, far away from the square groove, of the square rod, and the top end of a piston rod of the hydraulic cylinder is provided with a semi-circular bearing matched with the rotating shaft; a circular cavity is formed in the rotating shaft in the axial direction, three through grooves are formed in theside face of the rotating shaft, and a sliding block is slidingly arranged in each through groove; and a push block is slidingly arranged in the circular cavity, a lead screw rod is rotationally arranged in the circular cavity, and a lead screw threaded hole matched with the lead screw rod is formed in the axis of the push block. According to the transformer electric wire arranging frame, the fixation stability of the shaft barrel on the rotating shaft can be improved, and the situation that the rotating shaft shakes on the machine frame can be avoided.

The invention discloses efficient conduction equipment for a garment processing production line, and relates to the technical field of garment processing. The efficient conduction equipment is aimed at solving the problem of low production efficiency, and specially comprises a top plate, a main moving mechanism, a power mechanism, a station sensing mechanism, and a telescopic mechanism, wherein the top plate is fixed to the ground through supporting legs; the main moving mechanism is used for conducting, limiting and supporting the whole garment; the power mechanism is used for driving the main moving mechanism; the station sensing mechanism is used for sensing the conveying position; the telescopic mechanism is used for stretching the garment to a processing station; the main moving mechanism comprises a rotating component and a sliding component. When the efficient conduction equipment is in use, the garment can be hung on the telescopic mechanism, the power mechanism can drive the main moving mechanism to drive the telescopic mechanism to rotate according to a preset path, the station sensing mechanism can sense whether the garment runs to a processing station or not; and when the garment runs to the processing station, the telescopic mechanism is started to stretch the garment hung on the telescopic mechanism to the processing station. The whole conduction assembly line isformed, and the production efficiency is improved to a great extent.

The invention discloses a numerical control lathe support frame. The numerical control lathe support frame comprises a first support unit mounted on a main shaft box, and a second support unit mountedon a servo tail base; the first support unit comprises a first V-shaped block, a first guide rod and a first slide way bracket; the second support unit comprises a second V-shaped block, a second guide rod, a second slide way bracket and a guide shaft; when the support frame is used, the outer surfaces of workpieces are supported through the first V-shaped block and the second V-shaped block; andthe heights and the axial positions of the first V-shaped block and the second V-shaped block are adjustable; in addition, the first V-shaped block and the second V-shaped block cannot generate the rotating condition; and the support frame cannot generate such problems as front end dropping and twisting, can reduce the labor intensity of workers, reduces the requirements on self skill level and proficiency of operators, improves the lathe production efficiency, accelerates the production beat, improves the adjusting efficiency by above 15% compared with a traditional general support frame, reduces the long-time use failure rate by above 30%, and is higher in adaptability to the workpieces.

A highly pressurized liquid driven eccentric sheave type bottom hole sleeve cutter comprising an upper cylinder, spiral blades, a spiral blade mount shaft, a spiral blade limit seat, a plurality of balls, a lower cylinder sleeve, an automatic rebound mechanism upper pedestal, an upper limit seat, a lower limit seat, an upper cylinder outer sleeve, an upper cylinder inner sleeve, a lower cylinder outer slide column, an automatic rebound lower pedestal, a connecting pole, a spring centralizing barrel, a normally loose spring, a spring upper pedestal, a spring lower pedestal, a pin shaft, a crank connecting rod, a cutting tooth slideway, a cutting tooth pedestal, cutting teeth, and a detachable eccentric sheave 22; the highly pressurized liquid driven eccentric sheave type bottom hole sleeve cutter is simple in structure, low in cost, high in usage efficiency, easy to operate, saves materials, and is hard to be fatigued and damaged.

The invention discloses a fixed device for mold material process of a ceramic mold digital controlled lathe, and belongs to the field of ceramic mold processing and manufacturing equipment. The fixeddevice comprises a set of vacuum adsorption devices of a mold material processing plate. According to the technical scheme, a simple method that an existing ceramic mold digital controlled lathe onlyrelies on the friction force between the mold material and a processing platform in the mold material fixation is mainly changed, a set of vacuum adsorption devices of the mold material processing plate, a set of mold material cantilever pressure plate devices and two sets of pressure sensing control switches are additionally installed on the mold digital controlled lathe, the defects such as jitter, swing, displacement, deformation of existing equipment in the process of ceramic mold material processing are overcome, the processing accuracy of a mold is improved, the problems of large concentricity deviation inside and outside the processing mold, uneven wall thickness, uncertain product weight and the like are solved, and the fixed device is widely suitable for the processing of ceramicmolds with different mass and shapes.

The invention relates to a mute steam blow through valve which comprises a valve body, a hand wheel, a valve rod, a valve element, a valve rod cap, a press cap and a dual sealing assembly, wherein the lower end port of a valve cavity in the middle of the valve body is provided with a washer; the dual sealing assembly comprises a coiled spring, an upper graphite stainless steel sealing ring, a valve element sleeve and a lower graphite stainless steel sealing ring which are sequentially sleeved on the valve element and then loaded in the valve cavity in the middle of the valve body; the upper graphite stainless steel sealing ring and the lower graphite stainless steel sealing ring are respectively and tightly matched with the inner wall of the valve cavity in the middle of the valve body; the press cap is sleeved on the valve rod, and a cap bolt is fixed on the valve body; the lower end surface of the lower graphite stainless steel sealing ring is abutted against the washer, the lower end surface of the upper graphite stainless steel sealing ring is abutted against the valve element sleeve, and the lower end of the coiled spring is abutted against the upper graphite stainless steel sealing ring; the upper end of the coiled spring is abutted against the press cap; the valve rod cap is sleeved on the valve rod and connected with the outer wall of the press cap through a thread; and a nut is screwed at the upper end of the valve rod. The mute steam blow through valve has the advantages of good sealing property and long service life.

The invention provides a servo cylinder structure convenient to install. The servo cylinder structure comprises a servo cylinder body and a fixing rod. One end of the fixed rod is fixedly connected with the servo cylinder body, and the other end is provided with a fixed mounting assembly; the fixed mounting assembly is used for fixing the servo cylinder body on a rack; the fixed installation assembly comprises a fixed column and a gland, the gland is connected to the fixed rod in a sleeving mode, the fixed column is in threaded connection with the fixed rod, and the fixed column is arranged above the gland. According to the servo cylinder structure convenient to install, the servo cylinder is installed on the rack through the thick fixing rod, the machining time of a traditional long and thin deep hole and the repeated machining frequency of the hole are reduced, the machining cost is greatly saved, and the machining efficiency is improved.

The invention discloses an extra-high voltage transformer maintenance operation device and a maintenance method, and belongs to the technical field of transformer maintenance, the extra-high voltage transformer maintenance operation device comprises a safety belt suspension mechanism fixed on a bolt at the top of a transformer, and a maintenance operation platform arranged on a panel of a low-voltage bushing ascending flanged base of the transformer; the safety belt hanging mechanism comprises a safety belt, a connecting piece arranged at the upper end of the safety belt and a mounting assembly used for mounting the connecting piece to a bolt at the top of a transformer. The maintenance operation platform comprises a supporting plate, ladders and mounting bases, the ladders are arranged onthe two sides of the supporting plate respectively, the mounting bases are arranged on the lower portions of the two ladders respectively, and the two mounting bases are connected with two transformer low-voltage bushing ascending flanged base panels through bolts respectively. The device conforms to safety operation specifications, personal safety of maintainers is guaranteed, and the device ishigh in use convenience.