43results about How to "Achieve working status" patented technology

An infusion device, which is composed of an infusion pump and a disposable infusion set with a needle, is characterized in that: the pump door is arranged on the housing, a plate-shaped wrench is arranged on the outside of the pump door, and a second wrench is fixed on the wrench. A column; the first column is provided with a socket, the inner side of the pump door is provided with a pump door switch, one end of the pump door switch is provided with a hook, and the other end is plugged into the socket, the pump door switch and A first spring is provided between the wrenches; a lock groove is provided in the housing, and the hook can cooperate with the lock groove; a liquid stop clamp is provided in the housing, and a second spring is provided between the liquid stop clamp and the housing. Composed of a tail, a trunk and a head, the housing is fixed with a step at a position corresponding to the trunk; the inner side of the pump door is provided with a second column and a third column. The infusion device of the present invention has simple structure, convenient operation, and higher accuracy, safety and reliability during infusion.

The invention relates to the technical field of parking brake devices, and discloses a parking self-locking device for a transport trolley, which includes a first support rod and a second support rod slidably set on the first support rod, and the top end of the second support rod is connected to the first support rod. The bottom plate of the trolley body is fixedly connected; the side of the first support bar is provided with a first through hole, the first rotating shaft is in clearance fit with the first through hole, the supporting plate is respectively hinged with the two ends of the first rotating shaft, and the rear side of the supporting plate is welded with a buckle the steel bar; the side of the second support rod is provided with a second through hole, the second rotating shaft is in clearance fit with the second through hole, and the two ends of the second rotating shaft are respectively hinged with connecting plates; the supporting plate and the connecting plate are rotated through the third rotating shaft Connection; Relying on the force applied to the trip steel bar and the support plate, the two support rods move towards each other, and the locking surface on the support plate is locked and matched with the lower backing plate to realize the working state of the trolley and the locked state of parking, and can When the trolley is parked, the rollers are separated from the ground, which is beneficial to the protection of the rollers and the ground.

The invention relates to a multifunctional operating handle. The multifunctional operating handle comprises a box body; the upper part of the box body is provided with a rotating shaft seat; the rotating shaft seat is provided with a handle; the handle is connected with a link mechanism; the link mechanism comprises a first hinge, a second hinge, a connecting rod, a pull rod and a lower pull rod; one end of the first hinge is fixed on the handle; the connecting rod connects the first hinge and the second hinge; the second hinge is connected with the pull rod which extends into the box body; one side of the pull rod is provided with a potentiometer; the potentiometer is connected with the pull rod through a transmission mechanism; the lower part of the pull rod is further connected with the lower pull rod; one side of the lower pull rod is provided with a travel switch; and an oblique block located at the bottom of the lower pull rod is connected with a gas control valve member. The multifunctional operating handle disclosed by the invention is simple in structure and convenient to operate, and can conveniently realize a plurality of working states for a plurality of mechanisms through multidirectional selection operation of the handle.

The invention relates to the technical field of gas detection and provides a light interference gas detection device capable of automatically carrying out analysis processing on light interference fringes. The light interference gas detection device comprises a light source, a light path, a gas circuit, an image sensor, an acquiring circuit, a fringe analysis processing module and a working condition detection module, wherein the image sensor is used for converting the light interference fringes into an electric signal; the acquiring circuit is used for acquiring fringe waveform data from data output by the image sensor; the fringe analysis processing module is used for carrying out analysis processing on the fringe waveform data acquired by the acquiring circuit; and the working condition detection module is used for evaluating the working condition according to an analysis processing result of the fringe waveform data. The invention also discloses a working condition detection method of the light interference gas detection device. According to the light interference gas detection device and working condition detection method provided by the invention, the anti-interference capacity, the safety and the reliability of the detection device can be improved.

The present invention relates to the technical field of on-site surveying and mapping devices, in particular to an on-site surveying and mapping device for construction engineering cost, which includes a triangular bracket. platform, and a surveying instrument is fixedly connected to the middle position on the top of the installation platform. When the connection between the tripod and the ground becomes loose, the entire surveying and mapping device will change, and the installation platform will tilt, resulting in a leveling failure. At the same time, the cone will touch the tilt trigger device on the side, and after being sensed by the tilt trigger device, After the tilt trigger device touches the cone, it triggers the rotation of the rotary drive device and activates the warning light at the same time. The rotary drive device rotates on the drive indicator ring and moves with the warning light to warn, reminding the nearby staff to re-level in time to avoid causing damage. Inaccurate surveying and mapping due to failure to check in time is conducive to the accuracy of later construction project costs.

The invention discloses a high-thrust servo electric cylinder which comprises a bottom plate, a mounting box and a servo electric cylinder body. The top of the bottom plate is fixedly connected with the bottom of the mounting box. The invention relates to the technical field of servo electric cylinders. According to the high-thrust servo electric cylinder provided in the invention, first sliding plates are fixedly connected to the two sides of the bottom of the inner wall of the mounting box. First sliding blocks are connected to the tops of the two first sliding plates in a sliding manner. First sliding grooves matched with the first sliding blocks are formed in the tops of the first sliding plates. The tops of the first sliding blocks are fixedly connected with first rotating blocks. Oneside of the first rotating blocks is rotationally connected with a first movable rod through a rotating shaft. One end of the first movable rod is rotationally connected with a second rotating blockthrough a rotating shaft. The top of a second movable block is fixedly connected with a first supporting plate, so that a very good protection effect can be achieved on the machine body of the servo electric cylinder through the structural arrangement. The degree of mechanical damage to the servo electric cylinder is reduced, and the service life of the servo electric cylinder is prolonged.

An electronic control micro valve realized by shape memory alloy comprises a liquid inlet tube, a spacer layer, a sparge pipe, a shape memory alloy drive, a linkage piece, a valve ball and a bias pressure spring; wherein, the liquid inlet tube and the sparge pipe are connected by being respectively connected and fixed with the spacer layer; the valve ball is positioned in the sparge pipe and is over against a jet pipe; one side of the valve ball far away from the jet pipe is connected with the linkage piece; the other end of the linkage piece is connected with the shape memory alloy drive by passing through the spacer layer; the other end of the shape memory alloy drive is fixed at the top of the liquid inlet tube; one end of the bias pressure spring is against the spacer layer and the other end thereof is connected with the valve ball; under certain pressure state, the bias pressure spring presses the valve ball against the jet pipe to cause the jet pipe to close; the electric energycontrols the shape memory alloy drive to act to drive the valve ball to further open and close the valve. The micro valve has low manufacturing cost, small volume, light weight, simple structure and simple and convenient assembly and disassembly and is easily suitable for certain specific industry and agriculture and life automation requirements by improving structures.

The embodiment of the present invention discloses a frequency reconfigurable antenna based on a substrate integrated waveguide and a preparation method thereof. The antenna includes: a substrate integrated waveguide with annular slits and long slits on the upper surface; A patch is formed; multiple PIN diodes are arranged in the annular gap, and the two ends of the diodes are connected to the upper surface of the substrate integrated waveguide and the patch, and the bias state of the diode is controlled to control the connection between the patch and the substrate integrated waveguide. The upper surface is connected or disconnected; when the diode is turned on, the patch is connected to the upper surface of the substrate integrated waveguide, and radiates through the long slot on the upper surface to realize the working state of the first frequency band; when the diode is cut off, the patch It is disconnected from the upper surface of the substrate integrated waveguide, and the working state of the second frequency band is realized through the patch radiation on the upper surface. The invention can realize the switching between different bands of the antenna by controlling the bias state of the diode.