7 results about "Machine interference" patented technology

The invention relates to the field of fluid transmission, in particular to a pipe joint and a manufacturing method thereof, an assembly head mounting method and a maintenance method.The pipe joint comprises a joint body, a sealing ring, a sealing ring and a sealing ring, an annular clamping groove and a clamping ring are arranged at the other end of the base, and the clamping ring is arranged in the annular clamping groove; and the nut is arranged on the connector body in a sleeving mode, and a limiting structure is arranged in the nut. The manufacturing method of the pipe joint comprises the following steps: respectively preparing the joint body, the nut, the sealing ring and the snap ring; an annular clamping groove is machined at one end of the connector body, and a flaring connecting structure is machined at the other end of the connector body. The assembling method of the pipe joint comprises the following steps: assembling the sealing ring into the annular groove; the nut is sleeved from the connector body, and the clamping ring is assembled to the annular clamping groove. According to the pipe joint maintenance method, the clamping ring is taken out of the annular groove; the nut slides out of the joint body; sleeving a new nut; and the clamping ring is clamped. Machining interference and welding defects are avoided, and the manufacturing process is simplified.

The present application relates to satellite TT&C data transmission technical field, disclose a kind of spread spectrum TT&C data transmission integrated machine interference identification and filtering system.The system is through on-board TT&C data transmission integrated machine and ground interference identification extraction unit collaborative work.After the interference signal containing received by TT&C antenna is converted by A / D, it is transmitted in two ways: one way is original signal, another way is frequency domain signal after FFT transformation.After receiving, accurate analysis is carried out by interference identification extraction unit, interference frequency point parameter is generated, and is uploaded to on-board through TT&C uplink channel.According to the parameter, interference is zeroed in frequency domain, and is recovered as clean time domain signal after IFFT transformation to demodulate.The present application places complex interference identification task on ground, uses powerful processing capacity and artificial judgment of ground, realizes accurate identification and dynamic filtering to interference, significantly improves the anti-interference ability and reliability of system.

The application provides a manufacturing process of a multi-directional tool bar avoiding machining interference, and relates to the technical field of tool bar manufacturing. The manufacturing process of the multi-directional tool bar avoiding machining interference comprises the following manufacturing steps: S1, raw material preparation, selecting an alloy bar material according to the use requirement of a customer, then cutting the alloy bar material according to the size, cleaning the surface of the cut alloy bar material after the cutting is completed, and obtaining a tool bar raw material; S2, lathe debugging, resetting and debugging the machining lathe, then clamping and fixing the tool bar raw material in the step S1 by using a lathe clamp. The lathe equipment is reset and debugged before machining, the tool bar raw material is fixed by using a lathe clamp, and the tool bar raw material is processed subsequently after center positioning again, so that the machining interference and the multi-directional tool bar are avoided during the machining process, and the machining precision of the tool bar machining is improved.

The invention discloses a laser ranging multi-machine interference filtering method, and relates to the field of laser ranging. The laser ranging multi-machine interference filtering method comprises a multi-machine frequency configuration step, a laser emitting and signal receiving step, a histogram width calculation step and an interference filtering implementation step. According to the laser ranging multi-machine interference filtering method, through the complete process of multi-machine unique emission repetition frequency configuration, emission and receiving synchronization, histogram generation and width threshold filtering, the problem that real echoes and interference echoes of local machines cannot be distinguished during multi-machine cooperative ranging is solved. Compared with an existing undifferentiated emission scheme, the interference filtering can be realized only through comparison of frequency differentiation and histogram width without depending on complex signal coding / decoding logic, the operation logic is simple and visual, meanwhile, accurate matching of the histogram width of real echoes of a local machine and the light pulse width is ensured through the synchronous working design, and the interference filtering efficiency is improved. And a stable reference is provided for threshold setting.

This invention provides an ultra-precision turning apparatus for oblique off-axis ellipsoidal mirrors, comprising a base, an ellipsoidal mirror, and a cutting tool. The base has a first side and a second side arranged opposite to each other. The first side is used to connect to the spindle of a turning machine tool. The ellipsoidal mirror has an ellipsoidal surface to be machined, and the ellipsoidal mirror is detachably connected to the second side so that the rotation center axis of the ellipsoidal mirror coincides with the rotation center axis of the spindle. The cutting tool includes a tool holder and a cutting head connected to the end of the tool holder. The ultra-precision turning apparatus provided by this invention can be installed in conjunction with a turning machine tool to achieve ultra-precision turning of oblique off-axis ellipsoidal mirrors. Compared with the traditional polishing method for preparing oblique off-axis ellipsoidal mirrors, it is more efficient, lower in cost, and also has the advantages of high machining accuracy, simple installation, and avoidance of machining interference.

The utility model discloses a consumable box which comprises a box body, an avoiding area is arranged on the bottom face of the box body, and the avoiding area is used for avoiding interference of a latch structure in the process that the consumable box is installed on an installation portion of a consumable box receiving component. The locking mechanism is arranged on the bottom surface, the locking mechanism comprises a locking piece, the locking piece is provided with a clamping part protruding towards the outer side of the box body, and the locking piece can move between a locking position and an unlocking position; when the consumable box is installed on the consumable box receiving component, the locking piece moves to the locking position, the clamping part is in limiting fit with the hollow structure on the bottom face of the installation part, and the consumable box is prevented from being disengaged. According to the consumable box, corresponding structures such as a guiding structure and a protruding part on the bottom wall are omitted, and the problems that due to inaccurate alignment of the structures or interference between the structures and a guiding convex rib of printing equipment, installation interference and clamping are caused, and installation can not be conducted in place are fundamentally solved.

The invention relates to the technical field of robot collaborative management, and particularly discloses a multi-robot collaborative cleaning scheduling method and system suitable for a photovoltaic power station, and the method comprises the steps: collecting the real-time operation state data and environment flow field vector data of all-domain robots of the photovoltaic power station, precisely extracting an operation injection vector in the real-time operation state data, and carrying out the cleaning scheduling of all-domain robots of the photovoltaic power station; professional vector superposition operation is carried out on the vector data and environment flow field vector data, and then diffusion elliptic domain model data with all robot coordinates as focuses is constructed, so that the defect that a traditional model neglects the coupling effect of an environment flow field and a robot self-produced flow field is effectively overcome; prejudgment of the diffusion range better fits the actual operation environment of the outdoor photovoltaic power station, reliable data support is provided for follow-up multi-machine interference prejudgment, the risk of secondary pollution caused by flow field prejudgment deviation is reduced from the source, meanwhile, a solid foundation is laid for fine control over multi-machine collaborative operation, and the method is suitable for popularization and application. And the collaborative consistency of the global robot operation is ensured.