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A simple milling machine for rough machining of high-temperature alloy steel
ActiveCN224273406Uavoid designReduce labor costsLighting elementsMilling machinesMilling cutterMachine
This utility model belongs to the field of milling technology for high-temperature alloys, specifically a simple milling device for rough machining of high-temperature alloy steel. It includes a base, a milling cutter assembly on the top of the base, and a track connecting the milling cutter assembly to the base. The milling cutter assembly can move back and forth along the track. A support is located in front of the base, and a platform is mounted on the support. A frame is located on the side of the platform, and a clamping assembly is mounted on the frame. The clamping assembly includes an indexing chuck, which can move left and right along the frame. This utility model, through the arrangement of multiple tracks, allows for adjustment of the workpiece position, avoiding the Y-axis design of traditional machine tools, reducing the cost and size of the equipment. Simultaneously, its simple operation reduces the labor costs for advanced operators.
Owner:CHENGDU YOULITE NEW MATERIAL TECH CO LTD
Wafer temperature uniformity control and automatic transfer integrated device in hot plate pumping process
The utility model provides a kind of wafer temperature uniform control and automatic transfer integrated device in hot plate air extraction process, including disc-shaped cavity main body and automatic wafer transfer assembly, cavity main body top is plane structure, hot plate upper surface is perpendicular to the central axis of cavity main body, the sealing disc is coaxially arranged with cavity main body;It further includes air inlet and air outlet, air inlet is circularly opened in the sidewall top of the cavity main body;Air outlet is opened in the top surface center of the cavity main body.The utility model determines suitable cavity wall surface material by optimizing cavity structure, reasonably selecting air inlet and air outlet position, solves the problem of wafer temperature uneven in prior art, and realizes wafer automatic taking through intelligent automatic wafer transfer assembly structure under the form of not changing cavity structure, improves the quality and efficiency of semiconductor wafer manufacturing.
Owner:迈睿捷(南京)半导体科技有限公司
Seat backrest and seat
ActiveCN224277002Uincrease storage spaceavoid designPassenger spaceBack restsStructural engineeringMechanical engineering
Owner:XIAMEN GOLDEN DRAGON AUTO SEAT
Railway flat car body and longitudinal beam of railway flat car
ActiveCN116654031BEasy to assembleeasy to transportUnderframesRailway transportClassical mechanicsMechanical engineering
The application discloses a railway flat car body and a longitudinal beam of the railway flat car. The longitudinal beam comprises an upper beam body and a lower beam body. The lower beam body is arranged below the upper beam body and is installed on the middle region of the upper beam body in the longitudinal direction through a connecting piece. The lower beam body comprises two end beam modules and a middle beam module. The two end beam modules are installed on the longitudinal two sides of the middle beam module through connecting pieces. The middle beam module is an equal-height beam body. At least a part of the end beam module in the longitudinal direction is a variable-height beam body. In the longitudinal direction, the height of the variable-height beam body gradually increases in the direction close to the middle beam module. The longitudinal beam has less welding, higher green production level and is beneficial to the reasonable distribution of the strength of different regions of the longitudinal beam, thereby reducing the weight.
Owner:CRRC QIQIHAR ROLLING CO LTD
A nail gun with adjustable striking force
ActiveCN224274948Ureduce dependenceimprove continuityStapling toolsNailing toolsManufacturing technologyMachine building
This utility model relates to the field of mechanical manufacturing technology, specifically disclosing an adjustable impact force nail driver. It includes a housing, a first cylinder, a cover, a working piston, and a piston rod connected to the working piston. The housing, the first cylinder, and the cover form a first air chamber above the working piston to store high-pressure gas. It also includes an air replenishment device disposed on the cover, which maintains the air pressure in the first air chamber at the working pressure through the movement of the working piston. The key feature is that the cover also has a pressure regulating device, which includes a valve body, a valve rod, a pressure regulating core, and a pressure regulating spring. The valve body is connected to the cover and has an opening / closing port. The valve rod is axially movable and mounted in the valve body, cooperating with the opening / closing port. This solves the problems of gas leakage leading to reduced air pressure and the inability to adjust the impact force in existing technologies, improving operational efficiency and ease of use.
Owner:CHONGQING BORONG TUOER TECH CO LTD
An experimental apparatus and method for simulating reverse fault dislocations in a centrifuge.
PendingCN122084862ARaise the stress stateSimulation is accurateMaterial strength using tensile/compressive forcesEarth material testingHypergravityClassical mechanics
This invention discloses an experimental apparatus and method for simulating reverse fault dislocations in a hypergravity centrifuge. The apparatus comprises a hypergravity loading system, a reverse fault dislocation chamber, and a fault dislocation loading system. The hypergravity loading system consists of a centrifuge body, a suspended platform, and counterweights. The reverse fault dislocation chamber includes an external rigid chamber with an observation window, a rigid base, and an internal movable chamber. The fault dislocation loading system includes a loading servo cylinder, a vertical connecting device, and a sliding drive device. This invention applies vertical loads controlled by the loading servo cylinder, and through the coordinated design of the vertical connecting device and the sliding drive device, drives the internal movable chamber along a fault dip angle of 50°–70° to achieve precise dislocation, thus completely reproducing the entire movement process of the reverse fault during an earthquake.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
Fountain device
The utility model relates to a technical field of fountain, especially a kind of fountain device. Fountain device includes box, water outlet mechanism, shaft sleeve, transmission mechanism and rotary drive mechanism, water outlet mechanism includes water outlet cylinder, pull rod shaft and fender, pull rod shaft is installed on box telescopically, fender is installed on the one end of pull rod shaft far from box, for controlling the water type of water outlet cylinder;Shaft sleeve is housed in water outlet cylinder and is connected with box, shaft sleeve is sleeved on pull rod shaft and is slidably connected with pull rod shaft, for guiding the telescopic motion of pull rod shaft relative to box;Transmission mechanism is housed in box and is drivingly connected with pull rod shaft, for driving pull rod shaft to make telescopic motion relative to box;Rotary drive mechanism is drivingly connected with transmission mechanism, for providing power source to transmission mechanism. The fountain device of the application can reduce the size in the height direction of box, thereby realizing the miniaturization of the overall size of the fountain device.
Owner:NINGBO JIAYIN ELECTRICAL & MECHANICAL TECH CO LTD