13results about How to "Avoid repeated disassembly" patented technology

The utility model provides a glass polishing fixture for observing and aiming, which comprises a fixture bottom plate connected with a workbench of a polishing machine, the fixture bottom plate is detachably provided with a positioning assembly used for fixing a supporting disc pasted with polishing leather, the positioning assembly comprises four supporting plates arranged on the fixture bottom plate, and the supporting plates are arranged on the fixture bottom plate. Each supporting plate is provided with at least two step positioning grooves used for containing the supporting discs, each step positioning groove comprises a vertical part and a horizontal part, the vertical part is an arc face matched with the outer diameter of the corresponding supporting disc, and the horizontal part is a plane. The polishing disc can be supported and fixed through the clamp, the required planeness and perpendicularity requirements can be met through one-time installation and coping of the polishing abrasive paper, the polishing disc does not need to be disassembled and assembled frequently, unnecessary rework is avoided, the grinding and installation time of the polishing disc is greatly shortened, and the production efficiency is improved. And the polishing efficiency of the glass for observation and aiming is improved.

The utility model discloses a vertical swinger which comprises a supporting plate and a swinging mechanism. The front end of the supporting plate is rotationally connected with a rotating shaft I and a rotating shaft II respectively; the swing mechanism comprises an escapement limiting assembly, an escapement fork table, a first half gear, a second half gear, a connecting rotary disc and a connecting column, the escapement fork table is fixedly connected to the front end of the second rotating shaft, the escapement limiting assembly is fixedly connected to the front end of the escapement fork table, the connecting rotary disc is fixedly connected to the front end of the first rotating shaft, and the connecting column is fixedly connected to the front end of the connecting rotary disc. The right end of the escapement fork table is fixedly connected with a first half gear, the left end of the connecting rotary disc is fixedly connected with a second half gear, and the first half gear and the second half gear are connected in a meshed mode. The device is simple and easy to operate.

The invention discloses a large longitudinal slope simply supported steel truss girder high-position girder falling construction method, which relates to the technical field of bridge construction, and comprises the following steps: S1, arranging a girder falling supporting point position, manufacturing a girder falling support and supporting a steel truss girder; s2, synchronous jacking, local falling, section drawing and re-jacking are circularly and alternately conducted through a beam falling support at one end of the steel truss beam till first-stage beam falling is completed; s3, a jack arranged on a high pier end padstone of the steel truss girder is dismantled, girder falling continues, and second-stage girder falling is completed; s4, synchronous jacking, local falling, section drawing and re-jacking circulation are conducted through a beam falling support at the low pier end of the steel truss beam till third-stage beam falling is completed; s5, the jack arranged on the low pier end padstone of the steel truss girder is dismantled, girder falling continues, and fourth-stage girder falling is completed; s6, pressure grouting is conducted on the anchor bolt holes, other facilities are dismantled, and construction is completed; the technical problems that in the prior art, beam falling of a large-span steel truss girder bridge is difficult to control, and efficiency is low are solved.

The utility model discloses a fixing device for optical element processing, which comprises an operation table, the center position of the operation table is rotatably connected with the outer side of a rotating shaft, the top of the rotating shaft is fixedly connected with a fixed circular plate, the upper surface of the fixed circular plate is fixedly connected with a support frame, and a motor I is fixedly mounted on the side surface of the support frame; the output end of the first motor is movably connected with a connecting rod, the outer side of the connecting rod is fixedly connected with two driving gears, the upper surface of the fixing circular plate is fixedly connected with a one-way threaded rod, the top of the one-way threaded rod is fixedly connected with a driven gear, and a vertical fixing plate is arranged on the outer side of the one-way threaded rod. Optical elements of different shapes and different sizes can be fixed through the first motor, the driving gear, the driven gear, the vertical fixing plate, the second motor and the transverse fixing plate, the applicability of the fixing device is enhanced, and the optical elements can be turned over through the fixing circular plate, the lug plate, the worm, the handle and the worm gear. And the actual use effect of the fixing device is enhanced.

The present invention relates to the technical field of circuit board welding, and more specifically, to a circuit board component welding auxiliary device, comprising a bottom plate, a driving structure, a flipping structure, a hinge, a limiting structure, an adjusting structure, a placing structure and a welding gun. The setting of the driving structure facilitates the adjustment of the angle of the circuit board, and avoids repeated disassembly of bolts, and has high operating efficiency. The flipping structure is used in conjunction with the limiting structure, and the setting of the flipping structure facilitates the rapid fixing of the circuit board, and has strong firmness. The setting of the adjusting structure facilitates the rapid adjustment of the position of the supporting rod, and thus facilitates the adaptation to circuit boards of different sizes, and has strong flexibility. The setting of the placing structure avoids the problem of easy winding of welding wire during welding, and is easy to operate.

The utility model relates to the technical field of lubricating systems, in particular to a maintenance platform of a chassis centralized lubricating device, which comprises an operation cabinet, a control unit and a display component are arranged on the front side of the operation cabinet, a mounting chamber is arranged on the inner side of the operation cabinet, and a lubricating host and an oil storage box are placed in the mounting chamber; the working state of the lubricating main machine is detected through the control unit, whether the lubricating main machine gives an alarm or not can be detected so as to judge whether the current lubricating main machine works normally or not, meanwhile, the oil pressure of a pipeline is observed through the oil pressure gauge, and the lubricating main machine can work normally. The direct-current power meter is used for detecting the working state of the oil pump motor, so that problem points in the whole system can be conveniently and rapidly checked, loading is carried out after normal work of all parts is ensured, unstable and repeated disassembly and assembly of the system are avoided, the labor efficiency is well improved, meanwhile, the maintenance efficiency is improved, and the maintenance cost is saved.

The utility model relates to the technical field of supporting piece machining and positioning, in particular to a supporting piece laser surface quenching process positioning auxiliary device which comprises a bottom plate, a hydraulic telescopic rod is arranged at the upper end of the bottom plate, a supporting plate is arranged at the upper end of the hydraulic telescopic rod, and an electric rotating column is arranged at the upper end of the supporting plate. A horizontal moving device is arranged at the upper end of the electric rotating column, an angle adjusting device is arranged at the upper end of the horizontal moving device, a clamping plate is arranged at the upper end of the angle adjusting device, control plates are arranged at the four ends of the upper side wall of the clamping plate, and positioning devices are arranged on the control plates; the horizontal moving device comprises a positioning box, a magnetic sliding rail and an electromagnetic block, the angle adjusting device comprises a supporting frame, a rotating rod and an adjusting motor, the positioning device comprises a limiting box, a rotating rod, a moving block and a positioning plate, a five-degree-of-freedom space positioning system is formed, and machining errors caused by thermal deformation or mechanical vibration are effectively restrained.

The utility model provides a device of chute angle quick measurement of not opening chute manhole relates to blast furnace ironmaking technical field, including powerful magnet, thin iron sheet, buckle hand, soft steel wire, laser range finder, this device is adsorbed in chute back through powerful magnet, two 2 meters soft steel wire connects thin iron sheet and the iron box with laser range finder, and laser range finder is opposite chute back and measures perpendicular distance, and the chute angle is calculated in combination with trigonometric function. This device need not open manhole, greatly shortens the time of stopping blast, reduces yield loss and manpower cost, and the operation is convenient.

The invention relates to the technical field of batteries, and discloses an air bag which comprises a packaging bag and a plurality of first parting strips. The packaging bag comprises a first bag area and a second bag area, and the first bag area and the second bag area are arranged at intervals in the first direction. The first bag area is provided with a first accommodating cavity, the second bag area is provided with a second accommodating cavity, the first accommodating cavity is communicated with the second accommodating cavity, and the first accommodating cavity is used for accommodating a battery cell. The multiple first partition strips are arranged in the second containing cavity at intervals in the first direction, first communicating holes are formed in the first partition strips, and every two adjacent first air storage cavities communicate with each other through the corresponding first communicating holes. On one hand, the bag body filled with gas can be independently cut from the gas bag for detection, the detection convenience is improved, on the other hand, the size of the first communication hole can be preset, the size of the first communication hole can ensure that the gas passes through, heat sealing is conducted on the first communication hole after the gas is collected, and the detection efficiency is improved. The possibility of air leakage of the air bag is effectively reduced.

This application provides a car seat cushion, which is disposed on the side of the car seat headrest closest to the passenger. The cushion includes a cushion body, a first cover with a first space inside which a first inner core is filled, a second cover, and a connecting mechanism. The second cover at least covers the side of the first cover closest to the passenger. The connecting mechanism is disposed on the first and / or the second cover for detachable connection of the first and second covers. By providing a second cover on the cushion body, which at least covers the side of the first cover closest to the passenger, the second cover effectively prevents sweat, oil, and other substances from contaminating the cushion body. Simultaneously, the connecting mechanism allows the second cover to be freely detached relative to the cushion body, facilitating cleaning and replacement. This effectively avoids repeated disassembly of the cushion and its internal structure, further increasing the lifespan of the cushion.

The present invention discloses a trolley switch cabinet test tool, comprising a base and a test frame, wherein the test frame is arranged on one side of the base, and a plurality of first test heads, a plurality of second test heads and a plurality of third test heads are arranged on a side of the test frame close to the base, and two parallel first rails, two parallel second rails and two parallel third rails are arranged on the base, the two first rails are arranged between the two second rails, the first rail and the second rail are arranged between the two third rails, the height of the first rail is lower than the height of the second rail, and the height of the second rail is lower than the height of the third rail. By arranging the first rail, the second rail and the third rail, the trolley switch cabinet test tool can adapt to three commonly used specifications of trolley switch cabinets, so that the trolley switch cabinet test tool can detect three commonly used specifications of trolley switch cabinets, thereby expanding the scope of application of the trolley switch cabinet test tool.

The utility model relates to mechanical feeding structure technical field discloses a kind of self-adapting automatic feeding structure, comprising: workbench, feeding assembly and fixture. Feeding assembly, feeding assembly includes feeding plate and side plate, feeding plate is movably arranged in workbench, side plate can be moved towards or away from the direction of feeding plate, and the guide channel for guiding material is formed between feeding plate and side plate;Clamp, clamp can be moved towards or away from the direction of guide channel, and can be rotatably arranged on workbench around its axis;Wherein, fixture first locates workpiece, then moves close to guide channel, and then adjusts workpiece to adaptive angle in the process of rotation, to make the material output by guide channel orderly fall into the predetermined position of workpiece. By setting side plate can be moved towards or away from the direction of feeding plate, the width of guide channel can be self-adaptively adjusted, to adapt to the material conveying demand of different size specifications, ensure that different models of workpiece can be accurately positioned.

The invention provides a rapid and repeated folding and unfolding control device for simulating a control surface, relates to the technical field of aircraft testing, and aims to solve the technical problem that a control surface simulating device cannot be folded and unfolded repeatedly. The device comprises a base, a tiller and a control surface connected with the tiller, wherein the tiller is rotationally arranged on the base; the tiller is provided with a first arc surface opposite to the control surface and further provided with a locking groove formed in the first arc surface. The device further comprises a reset element and a sliding block arranged on the base in a sliding mode. The sliding block is provided with a first protruding block and a second protruding block which are opposite to the reset element. Wherein the length of the first convex block is greater than that of the second convex block; the simulation device further comprises a stop ring hinged to the base, and the stop ring is provided with a first end and a second end. When the device is in a locking mode, the second protruding block abuts against the interior of the locking groove, and the first protruding block abuts against the second end of the stop ring. The device for simulating the control surface is compact in structure, can avoid repeated disassembly and assembly, and is high in unfolding and folding conversion speed.