9results about How to "No stuck" patented technology

The application belongs to the technical field of intelligent service robots, and relates to a home maintenance robot with omni-directional movement and electromechanical cooperative posture control, which comprises an omni-directional chassis, a multi-degree-of-freedom mechanical arm module, a capsule type modular intelligent material supply cabin, an environment sensing and interaction head module, a sensor group and a main controller. The chassis is driven by Mecanum wheels and motors; the material supply cabin comprises an annular cabin body assembly, a plurality of capsule cabins, a central feeding channel, a lifting feeding platform, a platform lifting driving mechanism, a cabin door opening mechanism, a discharging channel and a magnetic guide mechanism. The device can realize standardized classified storage of small standard parts, automatic cabin selection, single capsule release, central receiving and magnetic discharging, thereby reducing the risk of standard part scattering, mixing and jamming; effectively improving the passability of the robot in unstructured terrains such as carpets, doorsteps and slopes, avoiding the imbalance of the center of gravity when the mechanical arm extends for operation, and being compact in structure and suitable for daily maintenance of household items in single-family homes.

This utility model relates to a mechanical comparator suitable for bearing testing, comprising a housing, a first positioning block fixedly mounted on the top of the housing by a first bolt and a second bolt, and a base plate fixedly connected to the bottom of the housing; an adjusting block fixedly mounted inside the housing, the adjusting block being connected to a first guide post, the first guide post being fitted with a first guide sleeve; the adjusting block being connected to a second guide post, the second guide post being fitted with a second guide sleeve; a fixing block being mounted on the upper end of the first and second guide posts; and a second positioning block being connected to the fixing block; the inner diameters of both the first and second positioning blocks are matched to the bearing assembly to be tested; an adjustment device is mounted on the base plate for adjusting the gap between the fixing block and the adjusting block. Thus, the inner holes of the first and second positioning blocks precisely match the outer ring of the bearing to be tested, and with the coaxiality control of the mandrel and measuring ring, the bearing is ensured to be subjected to uniform force, avoiding subjective errors caused by reliance on worker experience in traditional dial indicator testing.

The application relates to the technical field of foam mixers, and discloses a pipeline type foam mixer capable of realizing self-cleaning maintenance and a control method, which solves the problem that the existing pipeline type foam mixer cannot realize self-cleaning maintenance, and comprises a foam mixer body, wherein the foam mixer body is composed of a water inlet section, a converging section, a negative pressure section, a diffusion section and a foam liquid inlet section; the water inlet section is connected with a water supply pipe; the diffusion section is connected with a drain pipe; the foam liquid inlet section is connected with a foam tank through a foam suction pipe; the arc-shaped outer surface of the water inlet section is symmetrically provided with a flushing water inlet interface I and a flushing water inlet interface II; a clean water supply pipe is arranged on the flushing water inlet interface I; a clean water supply branch pipe I is arranged between the clean water supply pipe and the flushing water inlet interface II; and a clean water supply branch pipe II is arranged between the clean water supply pipe and the foam suction pipe; through the pipeline type foam mixer, self-cleaning maintenance can be realized.

The application belongs to the technical field of construction auxiliary equipment, and particularly relates to a hydraulic guide frame for assisting HUC steel sheet pile support system construction, which comprises a plurality of reinforcing columns, a plurality of reinforcing cross beams are fixedly connected between the upper and lower two rows of reinforcing columns, a plurality of inclined braces are fixedly connected between an adjacent pair of reinforcing columns in the horizontal direction, horizontal supports are fixedly connected to the two sides of the bottom of the reinforcing column, a pair of shoulder pole plates are fixedly connected to the top of each group of horizontal supports, a pulley system is composed of eight iron pulleys (including two fixed pulleys and six adjustable pulleys) to form a double-layer limiting structure, coaxial linear arrangement is maintained in the horizontal and vertical directions, real-time adjustment of the posture of the guide frame is realized by cooperating with the hydraulic jack, the installation precision is controlled within five millimeters, lubricating oil is uniformly applied to the surface of the pulley, no jamming and no torsion of the H-shaped steel occur in the sinking process, and the problem of verticality deviation caused by manual adjustment in the traditional construction is effectively solved.

According to the hydraulic puncher used for the coiled tubing and used for drilling in the casing pipe, the puncher is connected through the coiled tubing, then fluid is pumped through the ground, the two-stage piston is pushed under the action of fluid pressure, the two-stage piston drives the sliding groove core shaft, and the method that axial downward thrust is converted into radial force through an inclined T-shaped groove matching structure is adopted; finally, a punching nail on the executing mechanism acts on the inner side of the casing pipe, large extrusion force is obtained through a two-stage piston and transmission of micro-inclination force to complete punching operation on the casing pipe, punching is reliable, the hole shape is attractive, recovery is completed only by lifting a pipe column after punching is completed, and damage to an oil well caused by secondary salvage and punching through a chemical corrosion method is avoided. The device is simple in structure, low in required fluid pressure and flow, simple to operate and capable of completing the punching operation only by pumping the flow on the ground and observing the pumping pressure without connecting a complicated matching tool string. And compared with a traditional method of punching in the sleeve, the operation process is simple, efficiency is high, cost is low, and difficulty is small.

The present application relates to a kind of follow-up drop-off electric connectors, follow-up shell lower end opening is connected with plug, follow-up shell is equipped with the push plate of guiding and lifting, push plate is connected with top rod sleeve, top rod sleeve is coaxially sleeved with top rod, top rod upper part side wall is provided with steel ball through-hole, top rod middle part is provided with top rod step, top rod sleeve lower inner wall is provided with lock sleeve groove;Lock sleeve is sleeved below top rod sleeve, lock sleeve lower inner wall is provided with lock sleeve groove, steel ball is inserted into lock sleeve groove to realize rigid locking;Push plate lower end is connected with four-link hinge connecting seat plate with rectangular four corners, connecting seat plate is connected with plug;Follow-up shell is equipped with cam that can be pressed to push plate.The present application has high insertion accuracy, can effectively meet the plug drop-off under the follow-up state of plug-in socket, and guarantee effective separation.

The vertical plunger pump with the guiding and self-cleaning functions comprises a planetary speed reducing mechanism, a crankshaft, a connecting rod mechanism and a plunger, the connecting rod mechanism comprises a connecting rod, one end of the connecting rod is arranged in a rotating disc through a first fixing pin, the other end of the connecting rod is connected with a sliding block through a second fixing pin, and the sliding block is in clearance fit in a plurality of elastic diaphragms; the elastic diaphragms are matched with the guide sleeve, the guide sleeve is fixed to the pump head body, and the adjusting piece is rotatably arranged on the pump head body. The elastic diaphragm comprises a sheet body, corrugation structures are evenly arranged on the sheet body in the circumferential direction, corrugation is provided with crest faces, trough faces are further arranged between the adjacent corrugation structures, the guiding precision and stability can be remarkably improved by arranging the guiding block and the elastic diaphragm, the coaxiality of the plunger is smaller than 0.01 mm, and the service life of the plunger is prolonged. And the problems of clamping stagnation and howling do not exist during high-speed reciprocating motion. And the length-diameter ratio formed by each group of elastic membranes in the axial direction is equivalently multiplied.

The application discloses a high-precision gear grinding device and relates to the technical field of gear grinding; in order to improve the grinding efficiency; specifically comprising a base and a driving part, the driving part comprises: a vertical plate one, which is fixed to the top outer wall of the base and has an electric telescopic rod fixed to one side of the outer wall of the vertical plate one; a piston rod, which is fixed to the output end of the electric telescopic rod through a pin and has a piston plate fixed to one end of the piston rod through a pin; a piston cylinder, which is movably connected to the circumferential outer wall of the piston plate and has a joint threadedly connected to the bottom of the piston cylinder; and a mounting rod two, which is fixed to the top of the piston rod through a pin; the piston plate is arranged, so that the gas in the piston cylinder can be extruded during the sliding of the piston plate along the piston cylinder; the extrusion plate bottom can be lifted by the pushing action of the gas; and the extrusion plate can drive the expanding head assembly to clamp and fix the grinding gear through the internal expanding mode.