10results about How to "Practical to use" patented technology

This utility model relates to a folding rack for drying mugwort, including a material trough and a square frame support at the left and right ends of the bottom of the material trough. The top of the material trough is open, and positioning blocks are fixedly installed at both ends of the bottom. Two vertically spaced blind grooves are opened on the lower part of the front and rear sides of each positioning block. A positioning through groove is opened on the upper frame of the support corresponding to the positioning block. Guide plates are fixedly installed on the bottom of the upper frame of the support on both sides of the positioning through groove. Guide grooves are opened at both the upper and lower ends of each guide plate. A lead screw is rotatably connected to the middle side away from the positioning through groove. A rotating handle is fixedly connected to the end of the lead screw away from the guide plate. A movable plate is threaded onto the lead screw. Horizontal plates are fixedly connected to both the upper and lower ends of each movable plate. The two horizontal plates correspond one-to-one with the two guide grooves on the guide plate on the same side and are inserted through each other. This utility model allows for convenient assembly and disassembly of the material trough and the support, and the two supports are movable and foldable, making it more convenient and practical.

The application discloses a chamfering device with a tool entanglement prevention mechanism for bolt machining, and belongs to the technical field of bolt machining. The chamfering device with the tool entanglement prevention mechanism for bolt machining comprises a base and a sliding seat fixedly installed on the surface of the base, a bolt body to be machined is placed above the sliding seat, the surface of the sliding seat is correspondingly provided with two sliding frames, the top surface of any one of the two sliding frames is fixedly provided with a fixing frame, the inner side surface of each of the two fixing frames is rotationally connected with a rotating column, and the surface of each of the two rotating columns is provided with an external thread. Compared with a traditional chamfering device, the chamfering device with the tool entanglement prevention mechanism for bolt machining adopts reciprocating rotary chamfering blades to simultaneously chamfer both ends of the bolt body, and the bolt ends do not need to be sequentially machined one by one, so that the machining steps of the bolt body are reduced, the machining speed of both ends of the bolt body is improved, and the machining efficiency of the bolt body is improved.

The application relates to the technical field of automobile part measurement, and discloses a calliper gauge for measuring the inner diameter of an automobile part, which comprises a device bottom box, the front side of the device bottom box is provided with an inner diameter measuring mechanism and an adjusting and cleaning mechanism, the inner diameter measuring mechanism comprises a first fixed plate, a second fixed plate, a motor, a rotating rod, a threaded wall, a moving plate and a bearing, fixed strips and infrared distance measuring sensors are arranged on the moving plate, the moving plate can be driven to move by the threaded rod, when two second fixed strips coincide with the two sides of the inner diameter of a part, the distance currently detected by the infrared distance measuring sensors is the size of the inner diameter of the part, the measuring mechanism is convenient and simple, a clamping mechanism is not needed to clamp the part, a scale strip and a sliding block are arranged on the second fixed strip, the size of the whole part can be detected manually, and the size of the part can be detected at multiple positions when the shape of the part is irregular.

This utility model relates to the field of automotive generator technology and discloses an automotive generator end cover, which solves the problems of existing end covers having difficulty in balancing heat dissipation and dust prevention, and having a simple structure. It includes an automotive generator end cover with a motor shaft passage at the top center. The surface is provided with an auxiliary mechanism and a heat dissipation mechanism. The heat dissipation mechanism includes an outer frame, an inner end cover, and an outer end heat dissipation cover. Correspondingly, a first row of heat vents in a ring array, a second row of heat vents in a radial pattern, and a third row of heat vents in a matrix pattern are opened to form a multi-path heat dissipation channel and improve heat dissipation efficiency. The third row of heat vents has a dust filter inside, which takes into account both heat dissipation and dust prevention. The inner end cover and the outer end heat dissipation cover are easy to install and stable, and easy to maintain. The auxiliary mechanism includes an end cover mounting base and an external buffer protective sleeve. The former facilitates the installation of the end cover and the generator body, while the latter provides buffer protection without affecting heat dissipation and motor shaft operation. This utility model has a practical structure and is suitable for promotion.

The utility model discloses an adjustable double cantilever connecting structure which comprises a cleat connecting piece connected to the central axis of a wheel through a bearing and a cantilever assembly arranged in an axial symmetry mode, the cantilever assembly comprises two cantilevers arranged up and down, one ends of the two cantilevers are both hinged to a main beam, and the other ends of the two cantilevers are hinged to the main beam. The other ends of the wheels are connected to the upper end and the lower end of the cleat connecting piece through wheel angle adjusting pieces respectively, each wheel angle adjusting piece comprises an adjusting rod fixedly arranged with the cleat connecting piece, the adjusting rods are connected to the cantilever through adjusting piece fixing pieces, and the inclination angles of the upper ends and the lower ends of the wheels are controlled through the adjusting rods arranged up and down. The wheel state is fixed through the adjusting piece fixing piece. One ends of the two cantilevers are connected to the upper end and the lower end of the claw connecting piece through the wheel angle adjusting pieces correspondingly; the inclination angles of the upper and lower ends of the wheel are controlled through the vertically arranged adjusting rods, so that the mounting angle of the wheel can be adjusted, and the use is practical.

The application discloses a DC engineering reactive state change pre-judgment DC transmission power upper limit method, comprising the following steps: (S1) obtaining a preset reactive state; (S2) setting the running valve group power in the preset reactive state as a valve group limit transmission power value; (S3) performing control calculation according to a reactive control strategy; (S4) outputting a reactive control strategy calculation result; (S5) judging whether there is a reactive device switching, a control command and a reactive control mode switching command in the calculation result; if there is a corresponding command, updating the corresponding preset reactive device state and reactive control function setting value, and performing (S3); if there is no corresponding command, performing (S6); (S6) calculating the DC transmission power upper limit under the current preset reactive state according to the valve group state adjustment command in the calculation result; and (S7) outputting the DC transmission power upper limit under the current preset reactive state. The application has the advantages of no need of manual judgment and simulation resources, short time consumption, accuracy and reliability, convenience and practicality.

The utility model relates to the technical field of collecting box bodies, in particular to a chemical experiment waste liquid collecting box which comprises a bottom plate, a supporting plate fixedly connected to the top of the bottom plate, a collecting box body fixedly connected to the top of the supporting plate, a processing mechanism arranged on the side face of the collecting box body, and a liquid outlet mechanism arranged at the bottom of the supporting plate. The liquid outlet mechanism comprises a liquid outlet pipe fixedly connected to the side face of the collecting box, the liquid outlet pipe communicates with the collecting box, an electric control valve is arranged outside the liquid outlet pipe, a vertical plate is fixedly connected to a top plate of the supporting plate, a round rod is rotationally connected into the vertical plate, and a rectangular plate is fixedly connected to the side face of the round rod. Through cooperative use of the liquid outlet mechanism, after waste liquid treatment is completed, the rotating rod can be driven to rotate under the action of the air cylinder, then the collecting box body is made to incline, all waste liquid in the collecting box body can be discharged through the liquid outlet pipe, the liquid outlet speed of the waste liquid is increased, and the collecting box body is more practical in use.

The utility model relates to the related technical field of fixing structures, in particular to a fixing structure of a wiring terminal, which is characterized in that a fixing block is arranged at the top end of a fixing stud, and the fixing stud can be fixed on a plate through a screw rod and a nut; a fixing assembly is arranged on the fixing block, and the fixing assembly comprises a groove formed in the top of the fixing block; the convex block is arranged on the fixed block; the cover plate is arranged at the top of the fixed block; the connecting block is arranged at the top of one end of the cover plate; one end of the cross rod penetrates through the convex block and the connecting block, is fixedly connected with the convex block and is rotationally connected with the connecting block; according to the fixing structure and the fixing assembly, the cover plate can rotate through the design of the convex block, the connecting block and the cross rod, the terminal is placed in the groove, the cover plate rotates to be attached to the fixing block, the terminal can be limited from moving out of the groove, and therefore the purpose of fixing the terminal is achieved. Compared with the prior art, the device can adapt to terminals with various shapes. And the use is more practical.

The utility model relates to the technical fields of roller shutter door accessories disclose a switching handle of clutch roller shutter door, including pull rod and fixed link, the one end of pull rod is provided with locking unit, the other end passes through first curved arm hinged fixed link one end, the fixed link is fixed on the wall, be provided with the connecting block that can reciprocatingly move on the fixed link, the one end of connecting block passes through second curved arm and pull rod interlink hinged, the other end is provided with steel rope connecting bolt, the switching handle of clutch roller shutter door can pass through key unlocking locking unit to can pull pull rod, make pull rod swing on fixed link through first curved arm, in the swing process, second curved arm pulls the connecting block and moves to one end direction, to make the connecting block pull the steel wire rope that is connected with clutch, need to reset, need not to adopt the traditional way that the steel wire rope is pushed into slowly, only need to pull back and reset the pull rod, make the connecting block reset can, use more convenient, practical.

The utility model relates to the technical field of battery capacity grading cabinets, in particular to a probe structure for a battery capacity grading cabinet, which comprises a probe rod body, a stable mounting mechanism is arranged on the surface of an insulating plate, and maintenance and replacement mechanisms are arranged on the inner wall of a U-shaped mounting frame and the surface of the probe rod body. And an accurate detection mechanism is arranged on the inner wall of the wire holder and the surface of the wire. According to the utility model, when the probe structure is used, the probe rod body and the insulating plate can be installed at designated positions of a capacity grading cabinet for use, so that the probe structure is more convenient to operate when being used, and the phenomenon of accidental disconnection between a lead and a fuse is avoided when the probe structure is used; and when the probe structure is used, a user can conveniently take down the probe rod body, the insulating plate and the probe head from the surface of the U-shaped mounting frame for overhaul, maintenance or replacement, so that the probe structure is more practical in use.