9results about How to "Increase friction area" patented technology

The utility model relates to carbon block clamping device technical field, concretely is a kind of anode carbon block clamping device, including the first clamping arm and second clamping arm for clamping anode carbon block, the bottom end inboard of first clamping arm and second clamping arm are all fixedly connected with clamping plate;Multiple connecting holes are equipped on clamping plate, bolt is connected in connecting hole;Bolt includes bolt head and screw rod, bolt head is located the inboard of clamping plate and end portion protrudes connecting hole, the inboard of bolt head is equipped with antiskid boss;Screw rod protrudes to the outside of clamping plate and is connected with nut;By setting bolt, and setting antiskid boss on bolt head to replace antiskid nail, that is, increase the friction area with anode carbon block, increase friction force, also avoid antiskid nail to stab anode carbon block, avoid carbon block damage to affect process production and carbon block consumption.

The utility model discloses a fixing structure for a lower swing arm of a new energy automobile, which belongs to the related technical field of automobile structures and comprises a frame, a first fixing seat, a first elastic flat washer, a second fixing seat, a second elastic flat washer, the lower swing arm, a third fixing seat, a third elastic flat washer, a fourth fixing seat and a fourth elastic flat washer. The first fixing seat and the second fixing seat as well as the third fixing seat and the fourth fixing seat are of split structures and are welded on the frame in pairs, so that the stress of the fixing seats is reduced, the strength of the fixing seats is improved, and the potential quality hazard that the fixing seats are cracked and fractured under the conditions of high load and long-time use is solved; the lower swing arm first spacer bush and the lower swing arm second spacer bush are connected with the fixing seat and the middle through the elastic flat washers, stability and reliability of connection between the lower swing arm and the fixing seat are improved, the potential quality hazard that the lower swing arm is loosened and generates abnormal sound under high load and long-time use is solved, and the lower swing arm is suitable for being further popularized and used by large and small vehicle factories.

The utility model relates to the technical field of potato processing, in particular to a cleaning device applied to potato processing, the device comprises a base, a fixed cylinder, a rotating cylinder, a transmission assembly and a collecting box, the fixed cylinder is horizontally erected on the base through a lifting frame and a supporting column, and the two sides of the fixed cylinder are hinged and supported by hydraulic rods to achieve inclined discharging; the rotating cylinder is arranged in the fixed cylinder and provided with drainage holes in the surface. The transmission assembly drives the rotating cylinder to rotate, the horizontal gear is meshed with the vertical gear to enable the brush roller to rotate reversely, and water outlet holes in the surface of the brush roller are matched with a water source to achieve spraying cleaning. The side face of the collecting box is provided with a sliding groove and a detachable screen, and potatoes are classified according to the size through screening of the screen. Reverse movement of the rotating cylinder and the brush roller is achieved through gear transmission, the cleaning efficiency is improved, discharging is facilitated through a hydraulic inclined structure, the processing convenience is improved through the screen classification design, and the device is suitable for the potato pretreatment cleaning procedure.

The utility model discloses a large-torque parking mechanism, which relates to the field of automobiles, aims to solve the problem of contradiction between the space utilization rate and the brake torque in the existing brake mode, and comprises a left brake friction ring, a conical brake disc, a right brake friction ring and a fixing frame, the rotating shaft is fixedly connected with the conical brake disc through a compression nut, a left crankset and a right crankset are slidably connected outside the fixing frame, a first elastic traction frame is connected between the left crankset and the right brake friction ring, and a second elastic traction frame is installed between the right crankset and the left brake friction ring. The conical brake disc has the advantages that through the design of double conical surfaces of the conical brake disc, the friction area is increased, the braking performance on a rotating shaft is improved, and the braking torque of equipment is improved.

This invention discloses a fixing structure for the support column of a cable-stayed bridge main tower without backstays, aiming to solve the problem that the support column in the prior art easily causes cracking of the concrete beam. It includes: an upper and lower force-equalizing plate connected by anchors to increase the friction area, reducing the frictional force per unit area to resist horizontal tension, thus preventing the concrete beam's cover plate from being cracked and damaged by horizontal tension; the cable transmits the horizontal tension and resists the frictional force between the upper and lower force-equalizing plates; the support column transmits the horizontal tension to the upper force-equalizing plate through a force-transmitting fixing component, which also serves to fix the cable; and an adjustable clamping component presses the vertical support component tightly against the cover plate and the bottom plate to prevent excessive deflection of the cover plate under the vertical pressure of the support column.

A kind of thread feeding device for thread winding machine and using method, including the thread feeding device body with synchronous transmission belt (7), wheel resistance device is arranged on synchronous transmission belt (7), by the thread feeding device body, realize the thread to thread winding machine, by wheel resistance device, realize the transmission belt body dispersion propagation to rotational resistance, realize the wheel body that simultaneously applies external rotational speed interference force to the thread being transported, solve the technical problem that only single thread feeding wheel body is applied external rotational speed interference force, therefore, improve the tension uniformity and stability of the thread being transported.

This application relates to the field of cutting tools, and provides a cable corrugated pipe circumferential cutter, which includes a frame, a lead screw, and a knob. The lead screw passes through the frame, and the knob is rotatably engaged with the lead screw. The knob has a sleeve fitted outside the lead screw, and a reinforcing rod screwed into the lead screw is provided inside the sleeve. Based on the above structure, the friction area between the knob and the lead screw can be increased by connecting the reinforcing rod with the lead screw, thereby improving the connection strength and reliability of the two.

The utility model relates to encapsulation device technical field, specifically disclose a temperature control encapsulation device of optical module, including base, the outer surface fixed mounting of base has guide rod, the side surface fixed mounting of base has motor respectively, the inside rotation of base mounting has screw rod, the inside sliding of base mounting has the jaw. The temperature control encapsulation device of optical module, can change different models of limiting plug -in rubber pad to carry out the security of different models of optical module to be inserted, through the inside of optical module insertion to limiting plug -in rubber pad, can effectively stipulate the orientation of optical module, let optical module shell can stand up without manual take and wait for the displacement of jaw, and can guarantee the consistency of optical module shell position on base, and can protect the below of optical module shell through limiting plug -in rubber pad when pressing, reduce the error after the clamping of optical module shell, improve the convenience and the accuracy of clamping when using.

The invention relates to the technical field of railway wagons, in particular to a shaft end power generation device contact structure and a preparation method thereof.The shaft end power generation device contact structure comprises a macromolecule wear-resisting contact, the end face of the macromolecule wear-resisting contact is a plane, a guide rod is connected to the lower portion of the macromolecule wear-resisting contact, and a spring is connected to the lower portion of the guide rod; and the spring and the lower part of the guide rod are sleeved in the U-shaped rod. The structure of the contact is optimized, the wear resistance of the contact is enhanced, the friction area is increased, the stress condition of the contact is improved, and the reliability of the contact is greatly improved.