15results about How to "Even friction" patented technology

The invention discloses plant extract powder granulation equipment and method, and relates to the technical field of powder granulation, the plant extract powder granulation equipment comprises a rotating shaft, the rotating shaft is fixedly connected with the output end of a motor, the outer side of the rotating shaft is fixedly connected with a spraying assembly, and the outer side of the spraying assembly is fixedly connected with a straight rod; two spiral plates are fixedly connected to the outer side of the straight rod, the two spiral plates are evenly distributed with the rotating shaft as the center, a fixing ring is fixedly connected to the middle of the end, away from the rotating shaft, of the straight rod, and a pressing plate is rotationally connected to the outer side of the fixing ring. According to the plant extract powder granulation equipment and method, the straight rod and the spiral plate are driven by the rotating shaft to rotate, so that the spiral plate uniformly stirs powder and an adhesive in the spiral plate, the powder and the adhesive are fully mixed, the formation of particles with uniform structures is facilitated, the component proportions in the particles are basically the same, and the consistency of the product quality is ensured.

The utility model relates to a mirror surface polishing device, and belongs to the technical field of mirror surface polishing. The mirror surface polishing device comprises a polishing assembly and a connecting frame, the connecting frame is arranged on a supporting plate and located above a rotary disc, a guide frame is movably connected to one side of the connecting frame, a pressing disc is attached to one side of the guide frame and located on the upper surface of the connecting frame in a sliding mode, and a driving assembly is arranged on the supporting plate and used for pushing the guide frame; when the rotating disc rotates, the circumferences of the contact faces between the lower portions of the two sides of the pressing disc and the rotating disc are different, the pressing disc is driven to rotate in the rotating process of the rotating disc, rotating friction force is provided for the mirror face, and friction of the mirror face is uniform. The pressure plate is far away from and close to each other by taking the axis of the turntable as a base point, so that the contact area between the polishing cloth and the pressure plate is greatly increased, the use area of the polishing cloth is increased, and the waste of resources is reduced.

The application discloses a dry land corn seeding and film covering integrated machine and relates to the technical field of agricultural machinery. The machine comprises a rack, a processing mechanism arranged in the rack, a ploughing device, a ridger and a film covering frame fixedly installed on the inner wall of the rack, a seeding machine fixedly installed on the outer surface of the rack, a controller fixedly installed on the outer surface of the rack, a film discharging assembly arranged in the rack and a soil covering assembly arranged in the rack. The dry land corn seeding and film covering integrated machine is provided with a film discharging mechanism. When the device encounters hard soil blocks, instantaneous deceleration or temporary stop, the unwinding damping instantaneously increases, the roller shaft is difficult to rotate, the film is prevented from being continuously excessively pulled out, the film is prevented from being relaxed or accumulated due to the stop of the machine, the friction on the roller shaft is reduced when the device passes through the hard soil blocks or accelerates forward again, the film is allowed to be quickly pulled out, and the film is prevented from being torn due to excessive tension.

The invention relates to the technical field of harvesters, and discloses a threshing structure and a harvester, the threshing structure comprises a threshing cylinder, the outer wall of the threshing cylinder is sleeved with two half concave plates, and the two ends of the two half concave plates are both provided with rotating rings. By arranging two half concave plates and a rotating ring, the half concave plates can be erected and fixed, so that the two half concave plates can be combined into an annular concave plate, then by arranging a supporting rod, a first gear, a second gear and the like to be used in cooperation, when the threshing roller rotates to conduct threshing, the rotating threshing roller drives the second gear to rotate, and therefore the threshing effect is improved. A rotating second gear drives a rotating shaft to rotate, the rotating shaft drives a first gear to rotate, and the rotating first gear drives a rotating ring and two half concave plates to rotate, so that when rice is driven by the threshing cylinder to collide with the half concave plates, the half concave plates can be uniformly collided and rubbed; and therefore, the problem of over-frequency replacement of the semi-concave plate due to non-uniform friction is avoided, and waste is avoided.

The utility model belongs to the technical field of cell phone shell processing, disclose a cell phone shell polishing device, including setting up in the motor, disk, stainless steel bar, polishing bucket in the casing, the output shaft of motor installs disk, sets up polishing bucket above disk, installs sound absorption board on the outer wall of polishing bucket, is provided with sound absorption hole on sound absorption board, installs the damping foot pad of shock absorption of casing bottom surface, sets up the polishing convex on the inner wall of polishing bucket, the inner wall of polishing bucket sprays lubricating layer, sets up gland on the top edge of polishing bucket, sets up sealing groove on the bottom surface of gland, sets up sealing strip in sealing groove, sets up sealing concave on sealing strip, sealing concave holds the top edge of polishing bucket, sets up air hole on the gland, sets up stainless steel bar in polishing bucket. The utility model effectively reduces the noise, and the structure is relatively simple, and the polishing operation is convenient.

The utility model relates to the field of coupling seats, in particular to a coupler base. Comprising a coupler body and an adjusting structure, a hanging plate is installed on one side of the coupler body, positioning frames are fixedly connected to the two sides of the bottom of the coupler body, positioning rods are installed on the arc surfaces of the positioning frames through the adjusting structure, and supporting frames are fixedly connected to the two sides of the hanging plate. The supporting frame is in sliding connection with the arc surface of the positioning rod, the upper end of the positioning rod is in sliding connection with a limiting frame, an adjusting structure is arranged at the end, close to the positioning frame, of the positioning rod, the adjusting structure comprises a mounting frame, and the mounting frame is fixedly connected with the positioning rod. The coupler base has the advantages that the installation frame is arranged on the positioning frame in a sleeved mode, the adjusting rod is rotated, the two clamping plates clamp the positioning frame in the direction close to each other at the same time, then the positioning rod is fixed to the positioning frame, the fixing effect of the bottom of the positioning rod is better, and follow-up hoisting of a sewage pump is facilitated.

The utility model relates to the field of crane braking, in particular to an electromagnetic brake device of a crane rotary motor, which comprises an electromagnetic brake mechanism, the electromagnetic brake mechanism comprises an armature hub, a brake pad holding disc and a stator, a brake pad is arranged between the brake pad holding disc and the stator, and positioning screw holes are arranged on the outer side of the brake pad holding disc in an array mode. A reserved screw hole is formed in the position, corresponding to the positioning screw hole, of the outer side of the brake pad, a positioning bolt is installed between the positioning screw hole and the reserved screw hole, and an alarm gasket is installed on the portion, located on the lower surface of the brake pad holding disc, of the outer side of the brake pad. A depth adjusting bolt is connected between the alarm gasket and the brake pad holding disc. When the brake pad is worn and the thickness of the brake pad is reduced during use, and the brake pad holding disc is adsorbed again, the alarm gasket in the brake pad holding disc is in contact friction with the upper surface of the stator to give out a sharp sound to prompt that the brake pad needs to be replaced.

The application relates to a fire hose wear resistance detection equipment and a detection method in the technical field of fire-fighting equipment detection, which comprises a case, a center frame fixedly installed at the middle of the inner wall of the case, a polishing mechanism rotationally arranged on the inner wall of the center frame, a rotating mechanism arranged on the center frame and used for driving the polishing mechanism to rotate, a first cap and a second cap, a fire hose body passing through the polishing mechanism arranged between the first cap and the second cap, and a fixing piece arranged at one end of the first cap and one end of the second cap and used for sealing the fire hose body. The fourfold guarantee effectively eliminates the gap between the fire hose and the friction component generated by the negative pressure adsorption mode of the prior art, ensures that the wear simulation is highly consistent with the actual fire scene hose dragging wear state, greatly improves the accuracy and reliability of the detection result, and meets the accurate requirement of fire hose quality detection.

The utility model relates to the technical field of automobile brake calipers, and discloses an automobile brake caliper capable of reducing friction noise, which comprises a brake disc and a brake caliper body composed of pistons and brake pads, the number of the pistons is even, the pistons are arranged in the brake caliper body in pairs, and the pistons are controlled by a hydraulic oil circuit and can drive the brake pads to move. An electromagnetic generator is arranged between the piston and the brake pad, the electromagnetic generator can generate a magnetic field after being powered on, the electromagnetic generator is connected with an electronic oscillator and can change the direction of the magnetic field, and a ferromagnetic layer made of materials capable of being attracted by magnets is arranged in the middle of the brake disc. The ferromagnetic layer is located within the influence range of the magnetic field of the electromagnetic generator, electrons in the ferromagnetic layer are influenced by the magnetic field in the changing direction and are continuously rearranged to generate heat, the brake disc is preheated, stress is uniform in the braking process, and gaps are reduced.

The invention relates to the technical field of leather production, in particular to a leather production system and method.The leather production system comprises a rack, a feeding and drying mechanism, a cooling mechanism, a softening mechanism, a pressing mechanism, a transferring mechanism and a pricking mechanism, and the feeding and drying mechanism comprises a drying box, a feeding and conveying assembly, a drying and conveying assembly, a constant-temperature conveying assembly and a drying and blowing assembly; the drying box is arranged on the rack, the cooling mechanism comprises a cooling conveying assembly and a discharging conveying assembly, a feeding port and a discharging port are formed in the two sides of the drying box respectively, one end of the feeding conveying assembly extends to the outside of the feeding port, and the other end of the discharging conveying assembly extends to the outside of the discharging port. One end of the discharging conveying assembly extends to the outer portion of the discharging opening and is close to the softening mechanism. Through the efficient, accurate and innovative process characteristics, the leather processing quality and efficiency are remarkably improved.

The utility model discloses a device for detecting the wear resistance of paint, which comprises a working table, a base assembly is arranged on the working table, a detection block is detachably arranged on the base assembly, at least one friction roller assembly positioned beside the base assembly is arranged on the working table, the friction roller assembly comprises a friction roller base, and the friction roller base is arranged on the friction roller base. An adjustable telescopic rod is arranged on the side, close to the base assembly, of the friction roller base, a friction roller is rotationally arranged at the end, away from the friction roller base, of the adjustable telescopic rod, and the device further comprises a motor used for driving the friction roller to rotate. The paint wear resistance test device has the beneficial effects that the paint wear resistance test can be always carried out with uniform force, and the accuracy of a paint detection result is ensured.

The invention relates to the technical field of pistons, and provides a lightweight forged steel piston which comprises a piston head, a piston skirt and a piston pin seat, and is characterized in that a piston face window is formed in the piston skirt and provided with a fence type weight reduction cavity, and the fence type weight reduction cavity is located above a piston pin hole; the fence type weight reduction cavity penetrates through the piston skirt part in the direction of the piston pin hole; two sides of the piston pin hole are respectively provided with a main thrust side skirt wall and a secondary thrust side skirt wall, and the center of the piston pin hole is deviated towards the main thrust side skirt wall; the outer circle of a piston skirt part which is circumferentially connected with the piston outer pin seat and the piston face window is retracted inwards and is in smooth transition connection with the main thrust side skirt wall and the secondary thrust side skirt wall respectively; and the thickness of the main thrust side skirt wall is greater than that of the secondary thrust side skirt wall. According to the technical scheme, the weight of the piston is reduced, meanwhile, noise and vibration generated when the diesel engine works are reduced, meanwhile, the cooling effect is good, and movement of the piston in the air cylinder is more stable.

The invention discloses a hydraulic brake hose assembly test device, which relates to the field of hydraulic hose test technology and includes a composite mechanism. The hydraulic brake hose assembly test device is designed with a composite mechanism, one end of the connecting hose is fixed by a hydraulic clamp, and the other end is fixed by a fixing mechanism, and is conveniently placed by the fixing mechanism. A connecting rod is connected by a motor, and the side of the connecting rod away from the motor is connected to a receiving plate. The motor rotates to drive the connecting rod to push back and forth, and drives the connecting hose to stretch back and forth, so as to achieve fatigue detection of the hydraulic brake hose, prevent material aging and cracking, and detect material strength, thereby ensuring the safety of the brake system. The connecting rod slides on the inner side of the support platform, and the support platform plays the role of a supporting component, keeps the structure sliding stable, and prevents deviation. The material is squeezed by the squeezing mechanism, so as to achieve material distortion detection and prevent material damage in actual application.

The magnetic compatible guiding catheter comprises a catheter base, a catheter body installed at the far end of the catheter base and a far-end tube arranged at the far end of the catheter body, the catheter body comprises an inner layer, a middle layer and an outer layer which are sequentially arranged from inside to outside, the inner layer is a polytetrafluoroethylene coating layer, the middle layer is a titanium structure layer, and the outer layer is a titanium structure layer. And the outer layer is a high polymer material layer. According to the design, the middle layer of the catheter body is arranged to be the titanium structure layer, and due to the light weight, high strength and non-magnetic characteristics of titanium, the catheter body cannot generate obvious interference in MRI (magnetic resonance imaging), cannot be attracted by a high-intensity magnetic field to generate displacement and cannot generate artifacts to affect later interventional operation; and an electromagnetic induction effect cannot be generated during interventional operation to injure a patient, and the accuracy of disease diagnosis can be ensured during MRI (Magnetic Resonance Imaging) examination.

The invention discloses a hydraulic brake hose assembly test device, and relates to the technical field of hydraulic hose tests, and the hydraulic brake hose assembly test device comprises a composite mechanism. According to the hydraulic brake hose assembly test device, through the design of a composite mechanism, one end of a connection hose is fixed through a hydraulic clamp, the other end of the connection hose is fixed through a fixing mechanism, and the connection hose is conveniently arranged through the fixing mechanism; the motor rotates to drive the connecting rod to push in a reciprocating mode and drive the connecting hose to stretch in a reciprocating mode, so that fatigue detection is conducted on the hydraulic brake hose, aging and cracking of materials are prevented, the strength of the materials is detected, and therefore the safety of a brake system is guaranteed; the structure is kept sliding stably, deviation is prevented, the materials are extruded through the extrusion mechanism, so that distortion detection of the materials is achieved, and the materials are prevented from being damaged in practical application.