Tapered roller bearing mounting mechanism and mounting method thereof

The tapered roller bearing mounting mechanism comprises a bearing outer ring, a bearing inner ring is arranged in the bearing outer ring, balls are annularly, uniformly and rotatably arranged on the outer side of the bearing inner ring at equal angles, limiting clamping grooves are formed in one side of the bearing outer ring at equal angles, and a limiting circular plate is arranged on the outer side of the bearing outer ring; a through hole is formed in the side wall of the limiting circular plate, limiting clamping blocks are annularly and fixedly arranged on the side wall of the limiting circular plate at equal angles, the limiting clamping blocks are clamped in the limiting clamping grooves, the limiting circular plate is detachably and rotatably connected with the bearing inner ring, a first annular groove is annularly formed in the inner wall of the limiting circular plate, and a first rotating block is rotatably arranged in the first annular groove; the number of the first rotating ...

冲洗器（上部）

便携式扩肛清洗器（三型）

便携式扩肛清洗器（二型）

盆底肌训练器（凯格尔训练器）

Method for calculating shear bearing capacity of stainless steel hollow interlayer concrete filled steel tube guide pipe leg

The invention discloses a method for calculating the shear capacity of a stainless steel hollow interlayer concrete-filled steel tube guide pipe leg, and relates to the technical field of the shear resistance of ocean platform guide pipe legs, and the method comprises the following steps: measuring the sizes and material parameters of core concrete and inner and outer steel tubes; calculating the shear bearing capacity considering the influence of the hoop effect; calculating the shear bearing capacity considering the shear-span ratio influence; calculating the shear bearing capacity considering the influence of the axial compression ratio; and establishing a calculation model of the shear capacity of the stainless steel-concrete-steel hollow interlayer concrete-filled steel tube guide pipe leg. The method can accurately predict the shear capacity of the stainless steel-concrete-steel hollow interlayer concrete filled steel tube guide pipe leg, the expression of the calculation formula ...

Electronic device and image processing method of electronic device

The embodiment of the invention provides a system-on-chip and an image processing method thereof, and the system-on-chip comprises an image signal processor ISP which is used for receiving image data from an image sensor, and carrying out the third image signal processing of the image data, so as to obtain a first image signal; an artificial intelligence (AI) processor for performing first image signal processing on the first image signal to obtain a second image signal, the AI processor comprising a dedicated neural processor; a memory, coupled to the AI processor and the ISP, for transferring an image block in the first image signal between the ISP and the AI processor, the image block being a local image signal in a frame of image signal in the first image signal; and the controller is used for controlling the operation of the ISP and the AI processor. According to the scheme, the image processing of the ISP can be flexibly combined with the AI processor, and the image processing result ...

Method for determining BOD5 background value of urban domestic sewage

According to the method for determining the BOD5 background value of the urban domestic sewage, on the basis of the sampling principle, sampling, detection and analysis work can be carried out after a representative point location is determined, operation is convenient and fast, repeated work can be effectively reduced, the analysis period is shortened, time cost is reduced, and when the method is applied to a project, the construction period can be effectively shortened, and project cost can be effectively reduced; secondly, the BOD5 background value condition of the source domestic sewage can be quantified, and the BOD5 background value condition is used for judging the early-stage design parameters of the treatment process of newly built or expanded water quality purification plants in cities and towns; meanwhile, the running state of the sewage pipe network and the on-way degradation condition of the pipeline can be qualitatively analyzed in combination with the actual incoming BOD5 ...

Method for purifying octamethylcyclotetrasiloxane

The invention relates to the technical field of octamethylcyclotetrasiloxane purification, and discloses an octamethylcyclotetrasiloxane purification method, which comprises: dissolving octamethylcyclotetrasiloxane to be purified and a metal ion complexing agent in a polar organic solvent to obtain a mixed material liquid; cooling, solidifying and separating octamethylcyclotetrasiloxane, washing an octamethylcyclotetrasiloxane solid with a polar organic solvent, then removing the residual polar organic solvent on the surface of the octamethylcyclotetrasiloxane, converting the octamethylcyclotetrasiloxane into a liquid state, and rectifying to obtain purified octamethylcyclotetrasiloxane; the addition amount of the metal ion complexing agent is 0.01-1% of the mass of the polar organic solvent; the mass ratio of the octamethylcyclotetrasiloxane to the polar organic solvent is 1: (0.1-10). According to the method, the amount of the solvent to be removed in the rectification process is greatly ...