9results about How to "Solve size" patented technology

The utility model discloses a vertical quenching machine tool, which relates to the technical field of vertical quenching appliances and comprises a base and a support frame mounted on the base, a heating mechanism is mounted in the base, a cooling mechanism is mounted at the bottom end of the support frame, a positioning mechanism is mounted at the top end of the support frame, and a chain matched with the positioning mechanism is mounted on the support frame; through the matching of the positioning mechanism and the moving assembly, the height of the positioning drill bit and the position of the heating ring can be conveniently changed, so that the quenching device can adapt to machined parts of different specifications, the quenching is relatively uniform, and the product quality is improved; through the cooperation of a pipeline and a second lead screw which are independently arranged, the cooling position and the cooling efficiency can be accurately positioned according to the quenching requirement, so that the machining precision is improved, and the problems of dimensional deviation and deformation are avoided; and finally, the problems that an existing device cannot adapt to machined parts of different specifications and the cooling precision is limited, so that the quenched machined parts have size deviation and deformation are solved.

The present application relates to ceramic matrix composite forming die, tooling and method, specifically relates to large complex closed cavity thin-walled structure ceramic matrix composite component overall forming tooling and method, in order to solve the existing technology exists ceramic matrix composite component parts assembly gap, overall strength is insufficient, service life is reduced and other insufficient, the present application large complex closed cavity thin-walled structure ceramic matrix composite component overall forming tooling includes shaping auxiliary tooling and graphite forming die, shaping auxiliary tooling includes M skeleton box shaping tooling and first bottom plate, wherein, M is greater than or equal to 1, graphite forming die includes M inner mold forming die, annular forming die and outer mold forming die, the present application large complex closed cavity thin-walled structure ceramic matrix composite component overall forming method is based on the above tooling, in turn includes preform shaping, preform densification forming, component processing, realizes overall forming.

This invention relates to the field of liquid chromatography detection and discloses a differential refractive index detection device, comprising: a flow cell having a first side and a second side opposite to each other; an aperture disposed on the first side of the flow cell; a light source disposed on the side of the aperture away from the flow cell for emitting light into the flow cell; a photosensitive receiver disposed on the side of the aperture away from the flow cell; a deflection zeroing mirror disposed between the photosensitive receiver and the aperture; a first reflecting mirror and a second reflecting mirror, wherein at least one first reflecting mirror is disposed on the second side of the flow cell, and the number of second reflecting mirrors is equal to the number of first reflecting mirrors, disposed on the side of the aperture away from the flow cell. This invention enables light to pass through the flow cell multiple times and undergo multiple refractions, increasing the cumulative deflection angle of the light passing through the flow cell, significantly amplifying the optical signal changes caused by refractive index, and greatly improving the detection sensitivity and stability of the device.

This invention discloses a deployable device for a large secondary mirror of a space optical remote sensing camera, comprising: several flipping mechanisms and several unfolding mechanisms; wherein the flipping mechanisms are stacked sequentially, and adjacent flipping mechanisms are connected by unfolding mechanisms; each flipping mechanism includes an upper flipping plate and a lower flipping plate; the lower end face of the unfolding mechanism is connected to the upper flipping plate of the flipping mechanism below it, and the upper end face is connected to the lower flipping plate of the flipping mechanism above it; when the flipping mechanism is unfolded, the upper and lower flipping plates are arranged vertically; when retracted, the upper and lower flipping plates are arranged parallel to each other; the unfolding direction of the unfolding mechanism can rotate 90 degrees. This invention can realize the large aperture, long focal length, lightweight, and two-dimensional planar unfolding of a space optical remote sensing camera to meet the spatial resolution requirements of remote sensing satellites in the field of space remote sensing.

The application relates to a forming device for wine yeast cake, and belongs to the field of wine brewing technology. The forming device comprises a machine shell, a forming mechanism installed in the machine shell, and a powder brushing mechanism installed in the machine shell and located at the outlet end of the forming mechanism. The forming mechanism comprises a feeding bin, two spiral conveying rollers oppositely arranged in the feeding bin, a rotary driving piece for driving the two spiral conveying rollers to rotate oppositely, a forming die detachably installed at the outlet end of the feeding bin, and a cutting assembly installed in the machine shell and used for cutting wine yeast. The application has the effect of solving the problems of slow forming speed and different sizes in the prior art.

The utility model discloses a kind of trestle beam aerial formwork devices, set on concrete column, including connecting assembly and frame structure, the frame structure includes support assembly and protection component, the connecting assembly is set on concrete column, the support assembly is set on concrete column by connecting assembly, the protection component is set on support assembly, and is erected between two groups of concrete columns;The support assembly is arranged in pairs, and the paired support assembly is symmetrically set on the two sides of concrete column by connecting assembly. The utility model is set by connecting assembly and frame structure, solve the size and strength problem that traditional through core rod cannot satisfy trestle beam formwork.

The application discloses a multi-specification Ti551 titanium alloy ingot preparation method and belongs to the non-ferrous metal processing technical field. The composition of the Ti551 titanium alloy is as follows in terms of percentage by mass: Al 4.5%-5.5%, Mo 0.5%-2.5%, V 0.5%-1.5%, Zr 1.0%-3.0%, Cr 0.5%-1.5%, Sn 0.5%-1.5%, Fe≤0.25%, O≤0.12%, and the balance is Ti and inevitable impurities. The method comprises the following steps: proportionally weighing raw materials such as titanium sponge, zirconium sponge, Al-Mo-containing intermediate alloy, Ti-Sn-containing intermediate alloy, aluminum beans and TiO2; pressing the raw materials into electrode blocks with a density≥3.2g / cm 3 ; obtaining consumable electrodes through vacuum welding; preparing ingots through three-time vacuum consumable arc furnace smelting, the vacuum degree of the three-time smelting is all≤6Pa, and the diameter of the crucible ranges from Φ570mm to Φ1240mm. The application solves problems such as the increase of melt viscosity, poor fluidity, uneven ingot composition and the like caused by multiple alloy elements, and establishes a complete smelting process system covering 5-20-ton multi-specification ingots.

The utility model relates to the technical field of outdoor sound boxes, in particular to a Bluetooth sound box with an outdoor lighting function, which comprises a base component and a lamp post component, a sound production component and an electronic component are arranged in the base component, the electronic component is provided with a sound control circuit and a light control circuit, and the sound production component is provided with a loudspeaker; a light-emitting lamp set and an energy storage battery are arranged in the lamp pole component, a lower end opening of the lamp pole component is communicated with the inner space of the base component, and a passive radiator is arranged at an upper end opening of the lamp pole component to form sealing, so that the inner space of the lamp pole and the inner space of the base jointly form a sealed rear sound cavity of the loudspeaker. In conclusion, the outdoor lamp and the loudspeaker box are innovatively combined, components are reasonably arranged to achieve function integration and space optimization, the internal space is communicated, the passive radiator is additionally arranged to optimize the tone quality, the annular groove, the axial support and the like are utilized to ensure stable and sealed structure, the contradiction between the size and the function of outdoor equipment is effectively solved, and the use experience of a user is optimized.

This utility model provides a rotor force-saving wrench assembly, including a stop sleeve, an adapter sleeve, a support plate, a pressure plate, a stud, a force-saving device, and a toothed wrench. The external spline of the stop sleeve is connected to the internal spline of the rotor's rear shaft cavity, and the other side of the stop sleeve is connected to the pressure plate via a spline. One end of the adapter sleeve is connected to the compressor casing, and the other end is connected to the support plate. The locking lug of the toothed wrench is connected to the groove on the end face of the nut, and the other side of the toothed wrench is connected to the force-saving device via a spline. The pressure plate is secured by the stud to fix the force-saving device. This utility model solves the problem of torque measurement in the process of tightening high-torque nuts and addresses the issue that changes in nut structure and size make it impossible to tighten nuts using traditional tightening fixtures.