11results about How to "Does not affect function" patented technology

The utility model discloses a kind of end small wheel supporting type mechanical arm and tracked driving platform, belong to mechanical arm technical field.The mechanical arm includes: mechanical arm base, joint arm and small wheel auxiliary support module;The joint arm is sequentially connected by rotating joint, first pitch joint, intermediate section, second pitch joint and end section;The rotating joint is arranged in the upper end surface of the mechanical arm base, relative the mechanical arm base rotates;The end section is equipped with at least one mechanical installation interface, one of which is used to install small wheel auxiliary support module to make the small wheel auxiliary support module move with joint arm;The small wheel auxiliary support module includes: support rod, small wheel and wheel shaft;One end of the support rod is machined with outwardly extending mounting base for connecting the joint arm, the other end is provided with recess;The small wheel is installed in the recess;The wheel shaft is sequentially fixed after passing through recess side, small wheel inner ring and recess other side.

This invention discloses a bridge pot bearing and control system based on system conversion. A first bearing body and a second bearing body are stacked from top to bottom. The first bearing body has a first mounting plate, and an adjustment component is installed below the first mounting plate. The second bearing body has a second mounting plate, and a test component is installed on the second mounting plate. The test component connects with the adjustment component. While performing pressure testing, the test component, in conjunction with the adjustment component, enables the conversion between three states: fixed pot bearing, unidirectional movable pot bearing, and bidirectional movable pot bearing. This invention monitors the stress on the bearing in real time, calculates the bridge shear force based on the reaction force, and derives the bridge shear force amplification factor under dynamic loads, thus improving bridge design methods and making bridge design safer and more reliable. It can realize the functions of a fixed bearing, a unidirectional movable bearing, or a bidirectional movable bearing, and achieve mutual conversion between bearing types.

The present application relates to the technical fields of intelligent sensing of bridges, and particularly relates to an energy collection device arranged at a bridge expansion joint, a design method and a bridge expansion joint monitoring mechanism, comprising: a conversion unit arranged in a bridge expansion joint structure, capturing the strain of the structure after being stressed, and generating an alternating flexoelectric signal; a base layer located between the conversion unit and the bridge expansion joint, adjusting the strain distribution of the conversion unit; a rectification unit integrated with an impedance matching circuit, connected with the conversion unit, converting the alternating flexoelectric signal into a direct current, and delivering it to an energy storage unit; compared with the prior art, the beneficial effects of the present application are: the present application relates to a monitoring mechanism of a bridge expansion joint, the device has a self-powered structure based on the flexoelectric effect, without external power supply, significantly reducing the wiring and maintenance cost, at the same time, the monitoring unit realizes millimeter level displacement resolution and real-time structure health assessment, ensuring the structural safety of the bridge expansion joint.

The utility model discloses a control system based on natural gas pressure regulating station entrance emergency cut -out valve, relate to natural gas pipeline entrance pressure monitoring technical field, it includes: pressure transmitter is set up in the natural gas pipeline of emergency cut -out valve downstream, for real -time monitoring the natural gas pressure in pipeline, first pressure switch is set up in the natural gas pipeline of pressure transmitter downstream, and built -in low pressure alarm value, second pressure switch is set up in the natural gas pipeline of pressure transmitter downstream, and built -in high pressure alarm value, intermediate relay is linked with the output of first pressure switch, second pressure switch, solenoid valve is set up on compressed air pipeline, with emergency cut -out valve, intermediate relay is linked respectively. The application has realized natural gas pressure regulating station entrance pressure's whole time monitoring and intelligent protection, and especially applicable to the gas delivery scene of extremely high security requirement.

This utility model provides a double-wing stationary contact assembly for a switch machine, relating to the field of switch machine technology. The double-wing stationary contact assembly includes: a base with at least two slots; and a contact assembly disposed at the slots. The contact assembly includes a contact piece and a contact post connected together. The contact piece includes a first contact piece and a second contact piece, with the second contact piece disposed outside the first contact piece. The first contact piece includes an arc segment and a first connecting segment. The second contact piece includes a bent segment and a second connecting segment, with the arc segment disposed within the bent segment. The first connecting segment and the second connecting segment are stacked. This stationary contact assembly solves the problems of low reliability, easy arc erosion, and poor self-cleaning ability of existing stationary contact assemblies due to single-wing contact.

The invention provides a chemical mechanical polishing solution. The chemical mechanical polishing solution comprises water, grinding particles, a tungsten polishing accelerant, a stabilizer, peroxide, a first tungsten corrosion inhibitor, a second tungsten corrosion inhibitor and a polyhydroxy cyclic compound. According to the chemical mechanical polishing solution, the corrosion inhibitor of the first tungsten and the corrosion inhibitor of the second tungsten are compounded for use, the low tungsten static polishing rate and the high speed ratio of the tungsten polishing rate to the static corrosion rate are achieved, and the high tungsten polishing rate can be guaranteed; and meanwhile, by adding the polyhydroxy cyclic compound, the roughness of the polished tungsten surface can be improved, and the flattening efficiency of tungsten metal is improved.

The utility model discloses an assembly type photovoltaic support fixing clamp relates to fixing clamp technical field, include: U -shaped clamp, photovoltaic support stand, fastening bolt and stand bottom plate, the photovoltaic support stand is located the top of stand bottom plate, the top of stand bottom plate is installed with stand stiffening rib a, the top of stand bottom plate is installed with stand stiffening rib b, the outer wall of U -shaped clamp is installed with limit and anti -fall bolt. The utility model discloses through being installed with clamp mechanism, will U -shaped clamp along house steel beam upper flange by from outside to inside and enter, make stand bottom plate and house steel beam upper flange all be in the U -shaped groove of U -shaped clamp, ensure that the inside of U -shaped clamp lower steel plate with house steel beam upper flange contact surface maximum, alternately tighten two fastening bolts on each U -shaped clamp, while U -shaped clamp lower steel plate and house steel beam upper flange top tight, and U -shaped clamp will not move to the outside of steel beam and lead to U -shaped clamp fastening force weakening or failure.

The application belongs to the field of semiconductor MEMS device processing, and particularly relates to a structure-assisted electromagnetic MEMS micromirror processing method, which improves the problems of high processing complexity and high processing cost existing in the prior art. By using the schemes of selective silicon-silicon bonding after local roughening, thick silicon MEMS processing technology based on conventional silicon-silicon bonding, fusion of high-precision laser cutting in the MEMS processing flow, increase of temporary support and heat dissipation structure and the like, the dependence of the MEMS micromirror processing process on the temporary bonding and debonding equipment and technology required for wafer processing can be reduced, the machine time occupation of the single crystal silicon dry etching equipment is reduced, the processing cost is controlled, the mutual compatibility of each single-step process in the process flow is improved, the processing can be realized only by using the combination of conventional equipment and its process, the complexity of the processing process is reduced, the processing cost is reduced, and the electromagnetic MEMS micromirror has good manufacturability.

This disclosure relates to the technical field of bellows compensators. One embodiment of this disclosure provides a bellows compensator with a protective device, comprising: a bellows compensator body and several outer protective plates. The outer protective plates are all disposed outside the bellows compensator body. A supporting protective assembly is disposed on the outer protective plates. A docking and fixing assembly is disposed between the several outer protective plates. The docking and fixing assembly includes a pair of ear plates, which are disposed at both ends of the outer protective plates. Each ear plate has a pair of insertion holes on its surface. The several outer protective plates are docked to each other through the ear plates. The ear plates are fitted onto the outside of the screw portion of the bellows compensator body. This technical solution solves the technical problem that traditional bellows compensators in the prior art generally lack protective functions, resulting in short service life and high failure risk under complex working conditions.

The application provides a host and a food processor. According to an example of the application, a host comprises a shell assembly, a motor assembly and a support. The shell assembly comprises a base and a panel fixedly connected to the top of the base, and the base and the panel enclose a mounting space. The motor assembly is located in the mounting space and is suspended from the panel. The support is clamped between the base and the motor assembly and is used to support the motor assembly. The present application can reduce the load of the connection part between the panel and the motor, and reduce the risk of the connection part breaking due to the heavy motor assembly.

The application provides a non-invasive window opening angle monitoring device and method based on magnetic sensing. The device converts the window opening movement into in-plane rotation of the guide tube and axial reciprocating sliding of the plug-in sliding shaft through the mechanical transmission module installed between the window sash and the window frame. The magnetic sensing module fixed on the wall side detects the magnetic field change signal generated by the rotating magnet in real time. The signal is calculated by the microcontroller integrated in the single control and communication module. Based on the geometric parameters such as the relative distance of the key module installation and the rotation angle signal, the actual opening angle is accurately calculated, and the data with time stamp is uploaded to the cloud Internet of Things platform through the wireless communication unit to realize online remote monitoring and analysis of the window opening behavior. The application has simple structure, clear module composition and can realize high-precision and continuous opening degree monitoring. The structure of the application is suitable for green buildings and is used for accurately obtaining user behavior data and predicting building indoor energy consumption.