10results about How to "Avoid deformation stress" patented technology

A loader frame articulation structure, belonging to the field of engineering machinery, includes a front frame and a rear frame, connected by an articulation assembly. The articulation assembly includes an articulation shaft, which is fixedly mounted on the front frame, and the rear frame is rotatably connected to the articulation shaft. The articulation shaft includes a cylindrical portion and a truncated cone portion. The truncated cone portion is fixedly mounted on the upper end of the cylindrical portion and installed within an articulation hole in the front frame. A mounting plate is mounted on the upper end of the truncated cone portion, and the mounting plate is fixedly connected to the front frame by bolts. The cylindrical portion is rotatably connected to the rear frame, and the lower end of the cylindrical portion is connected to the articulation hole on the front frame via a bushing. The use of a conical surface fit at the loader's articulation structure significantly improves the assembly accuracy and connection strength at the articulation point, thereby solving the connection strength problem at the articulation point under extreme working conditions and the fatigue wear problem caused by the increasing use time of the loader, effectively reducing the failure rate of the loader product.

The utility model discloses an inductance automatic tin soldering machine and inductance production line relates to inductance production technical field, this inductance automatic tin soldering machine includes machine table, vibrating disk, tin soldering mechanism and transfer mechanism, and machine table has the feeding station, tin soldering station and the discharging station, and vibrating disk is located in machine table and is located in the feeding station, and tin soldering mechanism includes seat and heating element, and seat is located in machine table and is located in tin soldering station, and the first groove and the second groove of interval arrangement are seted up to one side of seat back to machine table, and the first groove and the second groove are filled with tin liquid and coolant respectively, and heating element is set up around the first groove, and transfer mechanism includes multi -axis mechanical arm and snatchs structure, and multi -axis mechanical arm is located in machine table, and snatchs structure is located in the end of multi -axis mechanical arm, is used for snatching inductance work piece, and multi -axis mechanical arm is used for driving snatchs structure circulation between feeding station, tin soldering station and discharging station. The utility model aims at improving the consistency and production efficiency of inductance product.

The utility model relates to waterproof coiled material one-time forming equipment, belongs to the technical field of high polymer material processing, and particularly relates to HDPE high polymer waterproof coiled material one-time forming equipment which comprises extrusion equipment, a conveying table and a cooling table and is further provided with an alternate composite cooling mechanism, a lifting platform, a cutting device, a winding device and a coiled material conveying path. The alternate composite cooling mechanism realizes composite cooling of the coiled material through alternate arrangement of a water cooling tank and an air cooling tank; the lifting platform is matched with the cutting and winding device to realize double-layer layout and convenient maintenance of the equipment; the roller assembly and the guide roller component guarantee smooth transmission of the coiled material. According to the high-density polyethylene waterproof roll cooling device, the effects of improving the roll cooling quality, improving the space utilization rate of a plant and optimizing the production process are achieved, and the problems that an existing high-density polyethylene waterproof roll production device is poor in cooling effect, large in occupied space and not smooth in production process are solved.

The utility model discloses a shock absorption lubrication valve stem, it includes valve stem body, and the contraction portion is equipped with in valve stem body middle section, and the contraction portion is equipped with the shock absorption lubrication subassembly that is composed of the upper circular platform and lower circular platform of the upper and lower interval arrangement on the sleeve. The through hole of the interference fit with the contraction portion is set up in the center of upper and lower circular platform, and the first spiral oil storage groove filled with the lubricating grease and the second spiral oil storage groove are respectively screwed on the conical side surface. The big bottom surface of upper and lower circular platform is opposite, and the first arc convex and the second arc convex that are staggered distribution are respectively equipped on it. The utility model discloses through spiral oil storage groove realizes self -lubricating, through arc convex and circular platform combination form multiple shock absorption heat preservation air gap, and through the friction reducing convex point reduces the contact area, and the wear resistance, the impact resistance and the sealing member anti -icing effect of valve stem are comprehensively promoted, especially suitable for the low temperature working condition of limited space.

The utility model relates to a kind of wind turbine blade cover plate safety fixing device, including fixed plate and bolt welded and fixed on fixed plate, the fixed plate is located in fan blade, the bolt is sequentially threaded through the manhole around the end of fan blade and the bolt hole corresponding one-to-one on blade cover plate after being fixed by nut, the utility model sequentially threads the bolt in fan blade through the manhole around the end of fan blade and the bolt hole corresponding one-to-one on blade cover plate after being fixed by nut on fixed plate, so that the manhole around the end of fan blade does not need to be embedded bolt also can realize the safety fixation between blade cover plate, can effectively solve the safety fixation problem of blade cover plate after embedded bolt relaxation or drop.

The invention discloses a flame burr removing device for a front guard lamp shell. The flame burr removing device comprises a rack, a workpiece positioning seat arranged on the rack, a floating pressing assembly matched with the workpiece positioning seat, a rotary driving assembly used for driving the workpiece positioning seat to move and a linear feeding assembly. A flame generating assembly is arranged on one side of the rack, and the output end of the flame generating assembly is connected with a flame range limiting flow guide cover which is used for restraining flames and acting the flames on a burr area of the lamp shell in a directional mode. A heat insulation protection assembly is arranged at the position, corresponding to the non-burr-removal portion of the lamp shell, of the flame action area. A waste gas suction assembly is arranged below or on the rear side of the flame action area, and a cooling airflow assembly is arranged at the position adjacent to the waste gas suction assembly. According to the lamp shell edge burr removing device, through cooperation of rotary motion and linear feeding motion, burrs on the edge of a lamp shell continuously and evenly enter a flame-limited area to be subjected to hot melting removal, heat insulation protection, waste gas suction and cooling treatment are achieved in the burr removing process, and therefore the consistency and stability of burr removing machining are improved.

A backlight module (20) and a display device (10) are disclosed. The backlight module (20) includes an assembled light plate (200) composed of multiple light plates (210) assembled together. There is a gap (250) between every two adjacent light plates (210). The backlight module (20) further includes a light supplementation structure (220) covering the gap (250) and having a fixed end fixedly connected with one of the two adjacent light plates (210), and a free end located on the other one of the two adjacent light plates (210).

This utility model discloses a tooling for winding rebar cages for utility poles, relating to the field of tooling technology. The utility model includes a frame, with a mandrel mounted on the top of the frame; a guide assembly is also mounted on the top of the frame, comprising a guide rail fixedly connected to the top of the frame, a gear movably connected to one side of the guide rail, and a chain meshing with the surface of the gear. By providing a guide assembly that can move along the guide rail, this utility model allows the rebar feed reel to move synchronously with the winding process, effectively reducing stress concentration in the rebar during winding. The dynamic feeding method avoids the problem of excessive rebar stretching caused by traditional fixed feeding, preventing plastic deformation and residual stress, significantly improving the overall strength and durability of the rebar cage. A drive motor drives the guide frame to move at a uniform speed through a gear and chain mechanism, combined with the mandrel rotation controlled by a servo motor, achieving uniform winding of the rebar.

The application provides a method for connecting titanium aluminum carbide and niobium by adopting a titanium intermediate layer and a connected joint, and relates to the technical field of welding. The method comprises the following steps: S1, preparing a component to be connected; the component to be connected is formed by sequentially stacking titanium aluminum carbide base material, an intermediate layer and niobium base material from top to bottom, and the material of the intermediate layer is titanium; S2, performing discharge plasma sintering on the component to be connected under a preset air pressure to obtain a connected joint. By adopting the method, the cracking of the joint can be inhibited, the decarburization or Al evaporation of Ti3AlC2 at high temperature can be inhibited, thereby the deterioration of the base material is inhibited; the generation of brittle intermetallic compounds can be avoided, which is helpful to improve the interface bonding strength, thereby the strength of the connected joint is improved.

The utility model discloses a limiting device for tweezers, which comprises a U-shaped main body, a screw and a connecting rope, and the U-shaped main body is provided with a rope hole, a screw hole and a contact surface; the rope hole is located in the side face of the U-shaped body, the screw hole is located in the upper side of the U-shaped body, and the contact face is located on the inner wall of the lower side of the U-shaped body. The connecting rope penetrates through the rope hole and is attached to the contact surface and the tweezers; and the screw penetrates through the screw hole and is connected with the U-shaped main body, so that the connecting rope is fixed between the contact surface and the screw. The effects of achieving rapid and accurate opening limiting and adapting to tweezers of different specifications are achieved.