38results about How to "Increase the force contact area" patented technology

The invention discloses a defective battery discharging device on a battery production line and a working method thereof. The defective battery discharging device on the battery production line is arranged on a battery conveying production line, is used for discharging defective batteries which do not pass an electrical test, and comprises a linear guide rail assembly arranged on one side of a battery conveying machine body, a mechanical arm installed on the linear guide rail assembly in a transmission mode, and a special clamp is fixedly installed on the mechanical arm; and a linear driving device and a positioning mechanism are arranged on one side of the linear guide rail set, and the linear driving device is in communication with a control system. A lithium battery production line anda fire-fighting conveying line are synchronously arranged, the fire-fighting path and waiting time are shortened for solving the fire problem of the production line, and the distance between clampingjaws can be adjusted by arranging the lead screw assemblies on the connecting parts on the special clamps, so that the clamping jaws adapt to trays of various sizes; and meanwhile, the front and rearclamping parts are synchronously taken and placed to increase the stress contact area of the tray, stabilize the gravity center of the battery in the tray and prevent the battery from falling out of the tray.

The invention discloses holt hoop iron and an electric meter box applied to the technical field of electrical components. The holt hoop iron comprises a first semi-annular holt hoop iron part and a second semi-annular holt hoop iron part connected via a connecting device and forming an annular holt hoop iron body after being connected; the holt hoop iron body is connected with the electric meter box, and provided with at least three adjusting bolts, the adjusting bolts are uniformly distributed along the annular arm of the holt hoop iron body, each adjusting bolt can be stretched and contracted along the annular radius direction of the holt hoop iron body, one end of each adjusting bolt is provided with an arc clamping plate, all the arc clamping plates are positioned in the ring of the holt hoop iron body, the inner cambered surface of each arc clamping plate is arranged towards the annular center of the holt hoop iron body, and the outer cambered surface of each arc clamping plate isconnected with the corresponding adjusting bolt. When holding electric poles of different diameters, the holt hoop iron can be adjusted, the holding force is high, and large load as of the electric meter box can be born.

The ball-tooth universal coupler comprises a left-right symmetric intermediate joint axle and two half-couplers mounted on the two ends of the intermediate joint axle through end caps. The said half coupler is a ball-shape ball joint connected respectively with the power input end and the power output end. At the front half sphere of the ball joint are provided with several bars of externally convex arc teeth, and in the sphere recess at the two ends of the intermediate joint there is provided with internal concave arc teeth. The internal cavity of the end cap is a spherical recess corresponding to the rear sphere of the ball joint, and the ball joint is mounted movably in the ball-shape cavity formed by the end cap and the intermediate joint. Advantages: reduced contact stress to stress surface, high transfer torque, stable operation, good sealing and lubricating effect, long service life, compact structure and convenient maintenance.

The invention relates to an overload protection clutch used for shaft connection, and belongs to the technical field of connectors. The overload protection clutch used for shaft connection comprises a horizontal shaft and conical teeth arranged on the shaft in a penetrating mode, and the shaft and the conical teeth are independent; the shaft is sleeved with a nut in a threaded connection mode; a first clutch body used for axial power transmission is installed on the part, on the right side of the nut, of the shaft, the part, between the first clutch body and the nut, of the shaft is sleeved with a spring, the left end of the spring abuts against the nut, and the right end of the spring abuts against the first clutch body; a second clutch body capable of freely rotating around the shaft is installed on the part, on the right side of the first clutch body, of the shaft and connected with the first clutch body in a matched mode through a clutch claw; the second clutch body and the shaft are transversely positioned through built-in balls, and the left ends of the conical teeth are connected with the second clutch body through a spline. The overload protection clutch used for shaft connection is simple in structure and large in stress contact area, the tangential force is reduced, transmission is more stable, and overload protection is achieved.

The present invention relates to a kind of shoulder strap. It includes a slip-stopping unit, said slip-stopping unit contains a receiving portion and a flange portion, on said receiving portion of said slip-stopping unit a bearing unit is cover-connected. When it is used by user, the flange portion of said slip-stopping unit can be used for increasing bearing area so as to produce the effect of stopping slip.

The invention provides a pair of healthcare shoes and a use method of the healthcare shoes. Grooves corresponding to big toe and little toe and a toe sleeve accommodating three central toes are arranged on each sole, wherein the toe sleeve is provided with partitions for separating the toes; by respectively positioning the little toe, the big toe and the three central toes, the contact areas of the forefoot is forced to be increased, so that supporting force and friction of the forefeet are improved, the leg force is increased, and a large role for improving leg frictions and body balance is played.

The invention discloses an easy-to-use high-stability jack, which includes a jack body, a deck is arranged at the bottom of the jack body, the deck is arranged in an inclined flat plate structure, and a bottom is arranged under the deck The bottom bracket includes a fitting panel below and a fixed support arranged on the top of the fitting panel. The top of the fixed support is also arranged on an inclined slope, and an inclined surface is also provided on the inclined surface of the fixed support. The insertion groove, the inlet end of the insertion groove is arranged on the top side of the inclined slope, and a supporting plate is arranged on the top of the jack body. The invention has the advantages of simple structure and convenient use, which can increase the force-bearing contact area with the automobile and the bottom surface, and increase the stability.

The invention discloses a cycloidal transmission mechanism of a speed reducer based on rolling cone pieces. The mechanism comprises a cycloidal disc, transmission pieces and an output disc; the transmission pieces are the rolling cone pieces; each rolling cone piece is a rotating body obtaining by performing the round angle guidance on four corners of a rhombus or a quadrangle according to a radius r and rotating by one lap along a longitudinal diagonal line; rolling cone piece fixed holes are uniformly distributed in the periphery of one side disc surface of the output disc; the number of the rolling cone pieces is consistent with the number of the rolling cone piece fixed holes; the profile shapes and sizes of one ends of the longitudinal diagonal directions of the rolling cone piece fixed holes and the rolling cone pieces are matched; a cycloidal trajectory groove is formed in the disc surface, corresponding to one side of the output disc, of the cycloidal disc; one sides, in the long-axis direction, of the rolling cone pieces are fixedly embedded in the rolling cone piece fixed holes; and the other sides, in the long-axis direction, of the rolling cone pieces are slidingly and movably connected with the cycloidal trajectory groove of the cycloidal disc. The mechanism has the advantages of high transmission power and low wear of the cycloidal groove.

The invention relates to the technical field of rescue devices, in particular to a rescue device for marshland. The rescue device comprises a first mounting plate, a partition plate, a supporting plate, a gas cushion main body and a second mounting plate, wherein the partition plate is fixedly mounted between the first mounting plate and the second mounting plate; the left end surface of the first mounting plate and the left end surface of the second mounting plate are fixedly equipped with supporting plates; the gas cushion main body positioned at the right side of the partition plate is fixedly mounted between the first mounting plate and the second mounting plate; and a rotary rod is fixedly mounted between the two supporting plates. The rescue device for marshland disclosed by the invention is simple in structure, is convenient in use, greatly improves rescue efficiency, avoids the risk that a rescuer is mired down in mud, does not cause harm to the rescuer, saves time and labor, and saves resources.

The invention relates to an overload protection diverter used for power transmission of a harvester and belongs to the technical field of converters. The overload protection diverter comprises a box body. A shaft is transversely installed in the box body. The shaft is provided with a conical tooth through a third bearing. A bevel gear shaft engaged with the conical tooth is longitudinally installed in the box body. The part, on the left side of the conical tooth, of the shaft is sleeved with a nut in threaded connection, and a first clutch used for power transmission of the shaft is installed on the part, on the right side of the nut, of the shaft. The part, between the first clutch and the nut, of the shaft is sleeved with a spring. The left end of the spring abuts against the nut, and the right end of the spring abuts against the first clutch. The part, on the right side of the first clutch, of the shaft is provided with a second clutch which can rotate freely around the shaft. The second clutch is connected with the first clutch through a clutch jaw in a matched manner. The second clutch and the shaft are transversely positioned through internally-contained balls. The left end of the conical tooth is connected to the second clutch through a spline. The overload protection diverter is simple in structure, the stress contact area is large, transmission is more stable, and overload protection is achieved.

The invention relates to a mining machine walking meshing system with a material releasing structure. The mining machine walking meshing system comprises a track unit and a guide sliding shoe, whereina front bottom wear-resistant layer, a front side wear-resistant layer, a rear top wear-resistant layer, a rear side wear-resistant layer and a rear bottom wear-resistant layer are arranged on the guide sliding shoe; the track unit comprises a front vertical plate, a rear vertical plate and track teeth; the bottom surface and the front side surface of the front vertical plate are respectively incontact and matched with the front bottom wear-resistant layer and the front side wear-resistant layer; a step which protrudes backwards is arranged at the upper part of the rear vertical plate; the top surface of the rear vertical plate, the rear side surface of the step and the bottom surface of the step are respectively in contact and matched with the rear top wear-resistant layer, the rear side wear-resistant layer and the rear bottom wear-resistant layer; a first material releasing channel is arranged below a track tooth nest between the track teeth; and a second material releasing channel is arranged below the front vertical plate, the rear vertical plate and the track teeth. According to the mining machine walking meshing system, the adaptability of a drum-type mining machine guidesystem to high-hardness and high-lumpiness mineral aggregates can be improved, the guide system is prevented from being quickly worn and crushed, and the fault processing time is short.