9results about How to "Driving force is stable" patented technology

The utility model belongs to the technical field of stirring, disclose a kind of multifunctional handheld stirring device, including mounting plate, the middle part of mounting plate is connected with vertical downward telescopic stirring rod by bearing, the bottom end of telescopic stirring rod is connected with replaceable modular stirring head by quick dismounting and replacement assembly, fluid splash shield is equipped on telescopic stirring rod;The top of telescopic stirring rod is equipped with passive gear, and the top of mounting plate is equipped with the fixed branch plate of U shape.The utility model can adjust length by the setting of telescopic stirring rod, can adapt to the material stirring use of different depth;The bottom end of telescopic stirring rod is connected with replaceable modular stirring head by quick dismounting and replacement assembly, can carry out quick dismounting and replacement to modular stirring head, satisfy diversified demand;The setting of fluid splash shield can prevent fluid splashing, avoid causing material waste, and brushless motor can provide stable driving force by gear transmission.

The present disclosure relates to a smoke baffle movement mechanism and a range hood, the smoke baffle movement mechanism comprising: a first fixing member, a driving mechanism, and a driven mechanism, the first fixing member being fixed to a first side wall of the range hood; the driving mechanism comprising a sleeve and an inner push rod, the inner push rod being sleeved in the sleeve, one end of the inner push rod extending out of the sleeve; the sleeve being connected with the first fixing member, the end of the inner push rod extending out of the sleeve being movably connected with one end of the driven mechanism; the other end of the driven mechanism being movably connected with an inner wall of the smoke baffle, the driven mechanism being used to move the smoke baffle under the driving of the inner push rod. The present disclosure can more conveniently realize the opening or closing of the smoke baffle by the movement of the inner push rod sleeved in the driving mechanism and the driven mechanism connected therewith, makes the movement process of the smoke baffle more stable, and prevents collision.

The utility model discloses a voice coil motor, carrier, which is provided with a first through hole capable of placing a lens, and the side wall of the carrier is fixed with a coil, a base is provided with a second through hole coaxial with the first through hole, a spring piece is arranged between the carrier and the base, and the two sides of the spring piece are fixed with the carrier and the base respectively. The voice coil motor can balance the moment of force by canceling the upper spring and adjusting the lower spring wire width, can perfectly realize the use of one lower spring to carry the carrier, balance the moment of force, produce the tensile force opposite to the magnetic force, realize the use of one spring to realize the AF focusing stroke requirement, thereby reduce the cost.

This invention discloses a water quality monitoring stratified sampling device, comprising a sampling bucket, a support rod at the top of the sampling bucket, an air rod inserted through the middle of the support rod, the air rod penetrating the sampling bucket, a piston plate at the bottom of the air rod, an exhaust channel on one side of the piston plate, and an opening and closing part within the exhaust channel; a locking rod on one side of the support rod, the outer end of the locking rod locking into a lock hole on the top side of the sampling bucket, a rope on the outer side of the locking rod, and a float at the other end of the rope; a main water inlet at the center of the bottom of the sampling bucket, with a valve on the main water inlet; several water outlets on one side of the sampling bucket, with water outlet pipes connected to the water outlets; several rotating parts inside the sampling bucket, dividing the interior of the sampling bucket into several sampling chambers, with an auxiliary drive part at one end of each rotating part, which is installed on the outer wall of the sampling bucket, to achieve independent segmentation of water samples at different depths, effectively avoiding cross-contamination between water samples and improving the accuracy of monitoring data.

The application belongs to the technical field of tunnel engineering detection, and discloses a tunnel displacement simulation device and a detection calibration method, which comprises multiple groups of tunnel simulation units, the multiple groups of tunnel simulation units are sequentially spliced, each group of tunnel simulation units comprises two groups of arches, a support steel frame and a plurality of groups of telescopic pipe piece assemblies; the two groups of arches are oppositely arranged, the support steel frame is in a semicircular arc support structure and is arranged between the two groups of arches; the plurality of groups of telescopic pipe piece assemblies are arranged on the support steel frame and are sequentially arranged along the arc surfaces of the two groups of arches, wherein the adjacent telescopic pipe piece assemblies are connected, and the plurality of groups of telescopic pipe piece assemblies can simultaneously expand and contract along the radial direction of the two groups of arches and are used for simulating the profile range between the maximum profile and the minimum profile of the tunnel. The application can realize the simulation of the dynamic continuous deformation of the tunnel, does not need manual comparison of the scale, reduces the error caused by manual operation and lays a structural foundation for high-precision calibration.

The utility model relates to the technical field of grinding, and disclose a raw material grinding equipment of controllable hydraulic pressure degree. This raw material grinding equipment of controllable hydraulic pressure degree, include: crushing structural assembly, the upper end left side of crushing structural assembly is installed with hydraulic pressure adjusting assembly, the upper end of hydraulic pressure adjusting assembly is installed with driving gear, the left side of driving gear is installed with hydraulic motor, the left side of hydraulic motor is installed with proportional valve, the upper end of proportional valve is installed with receiver, the front end of crushing structural assembly is installed with control structural assembly, the inside of control structural assembly is installed with APC controller, the lower extreme of APC controller is installed with OPC communication structure, possess effective prevention traditional ball mill control form and adopt motor drive, but when operating in the environment of big pollution degree, motor can frequently have the failure, lead to the follow -up maintenance cost is higher and influence overall work efficiency.

The application provides a kind of multiple wire spring wire automatic clamping device for wire spring hole one-way assembly machine, it is related to electric connector manufacturing technical field, including: cylinder, cylinder fixed plate, fixed seat, bottom plate, baffle, wire spring wire fixed rod, compression sleeve, sliding element, push block and reset spring;Fixed seat is fixed on the bottom plate, cylinder fixed plate is fixed on the fixed seat, cylinder is fixed on the cylinder fixed plate;Baffle is fixed on fixed seat, compression sleeve is arranged in baffle, wire spring wire fixed rod is arranged in compression sleeve, recess is arranged on the circumference of wire spring wire fixed rod, and wire spring wire is arranged in recess;Sliding element is arranged in fixed seat and matched with compression sleeve, push block is connected with cylinder and contacted with sliding element;One end of reset spring is connected with fixed seat, and the other end is connected with sliding element.Multiple wire spring wires are fixed and loosened simultaneously by taper shrinkage extrusion mode, and the processing efficiency of multiple, small aperture wire spring hole is improved.

This utility model relates to the field of bollard technology and discloses a retractable bollard with a light warning function. A fixed base and a guide rail are installed on the inner bottom of the fixed base, with the guide rail arranged along the height direction of the fixed base. Several sliding channels, adapted to the guide rails, are arranged at equal intervals around the circumference of the retractable bollard. A top cover is provided on the top of the retractable bollard, and several layers of annular warning light strips are arranged vertically at equal intervals along the edge of the top cover. A driving device is used to drive the retractable bollard to move up and down within the fixed base. The driving device includes a motor, a lead screw, and a nut. When the motor is activated, it drives the lead screw to rotate. The rotation of the lead screw is converted into linear motion of the retractable bollard through the nut, thereby realizing the raising and lowering of the bollard. This utility model improves road safety and warning effect, and achieves precise and stable control of the retractable bollard.

The utility model relates to all terrain vehicle field, specifically disclose a two gear transmission of all terrain vehicle, include: input shaft, be used for connecting the drive motor of all terrain vehicle to receive power, two gear transmission subassembly, including high speed gear set and low speed gear set, be used for realizing different speed ratio power transmission respectively, synchronizer, switchable with high speed gear set or low speed gear set cooperation, to select high speed gear or low speed gear power transmission path. In the utility model, through setting two gear transmission subassembly including high speed gear set and low speed gear set, can switch speed ratio according to the driving scene: high speed gear state, power transmission through first high speed gear, second high speed gear, realizes whole car high vehicle speed travel with adaptable speed ratio, low speed gear state, power transmission through first low speed gear, second low speed gear, through greater speed ratio output sufficient torque, improve the climbing performance and acceleration performance.