8results about How to "Guaranteed rotational flexibility" patented technology

The utility model relates to gas monitoring technical field, specifically disclose a kind of underground gas storage leak monitoring device, including box, air guide mechanism and gas detector;The air guide mechanism includes ventilating cylinder, fan blade and drive mechanism, and the ventilating cylinder includes fixed section and movable section;The drive mechanism is used to drive fan blade to rotate ventilation in ventilating cylinder and drive movable section to rotate around vertical shaft;Gas detector is arranged in the box and detects the gas in ventilating cylinder.The utility model drives ventilating cylinder to realize one hundred and eighty degrees reciprocating swing by drive mechanism, cooperates the fan blade negative pressure adsorption of air guide mechanism, compared with passive diffusion monitoring, significantly improve gas capture efficiency, shorten the leakage response time, and the detection range is expanded from single point to surface domain and direction.By worm simultaneously drive bevel gear set and worm wheel, only one power source can realize gas suction and direction adjustment, simplify mechanical structure, reduce the fault node, improve system operation reliability.

The invention discloses a connector embedded type ocean pipe, belongs to the technical field of ocean pipelines, and is used for being sequentially connected and vertically extending to the deep position of the seabed. The pipeline comprises a pipeline body, joint embedded sections are arranged at the upper end and the lower end of the pipeline body, a plurality of embedded grooves spaced in the circumferential direction are formed in the outer end faces of the joint embedded sections, and internal thread sleeve pieces are arranged in the embedded grooves; the end face of the embedded section of the connector is further provided with a plurality of mounting hole sites located between the adjacent embedded grooves, and external thread screws are rotationally connected into the mounting hole sites and extend out of the end face of the pipeline body. And when adjacent pipeline main bodies are connected, the external thread screw of any pipeline main body is in threaded connection with the internal thread sleeve of the other pipeline main body, so that the end surfaces of the embedded sections of the two joints are hermetically attached. According to the scheme, through the embedded threaded connection structure, no flange needs to be exposed, the connection sealing performance and the corrosion resistance are improved, the submarine complex service environment is adapted, and the pipeline connection reliability and the structural stability are guaranteed.

The utility model belongs to civil construction equipment technical field especially relates to a civil construction support device, including base, the base is located in the side of wall, the other side of base is equipped with hinged member through welding, the hinged member is swingingly connected through connecting rod, the other side of hinged member swingingly installs support rod, the bottom of support rod swingingly installs on support base, the bottom fixed mounting of support base has rubber damping pad. This civil construction support device, hinged mechanism is combined with lock nut, spring pre -tensioning half -spherical pre -tightening spare through stud, realizes hinged ball ± 15 DEG rotation and mechanical self -locking, and the tensile force is more than 200kN, improves installation efficiency, and the support mechanism is with the structure of sleeve, realizes the regulation of ± 1mm accuracy with hydraulic cylinder and laser range finder, the bottom is designed to adapt to the inclined ground, hot-dip galvanizing and fluorocarbon coating prolong the life, solve the many problems of traditional device.

The utility model discloses a kind of component feeders of SMT chip mounter, including support, transverse moving mechanism, slide, reel and vertical plate, taper jack is opened in slide, taper jack is coaxially arranged with the hole on reel, and the same plug-in sleeve is inserted, one end of plug-in sleeve is open, the other end is closed, the one end of closed state is slidably connected with cylinder, the utility model in the quick locking mechanism of plug-in sleeve, ball and tapered column composition is used, when installing reel, only need to insert plug-in sleeve into reel center hole and the taper jack of slide, under the action of first spring, tapered column will ball eject, clamping in taper jack, while ring is pressed reel, complete fixed, when disassembling, only need to press finger pressure block, make tapered column back off by overcoming the elasticity of first spring, ball can retract, to easily pull out plug-in sleeve and reel, this process does not need any tool, can be completed in several seconds, greatly improve the efficiency of replacement.

The utility model discloses a welding robot swing arm bracket which comprises a swing arm body, one end of the swing arm body is fixedly connected with a welding gun, the other end of the swing arm body is rotationally connected with a rotating connector, one end of the rotating connector is rotationally connected with a supporting arm, a connecting ring is fixedly installed on the side wall of the swing arm body, and the connecting ring is fixedly connected with a connecting rod. A first sliding block is slidably connected to the side wall of the connecting ring, a connecting block is rotatably connected to the bottom of the first sliding block, a second sliding block is slidably arranged on the side wall of the supporting arm, a supporting mechanism is rotatably arranged on the second sliding block, and the second sliding block is connected with the connecting block through the supporting mechanism. According to the swing arm, the connecting ring is matched with the first sliding block, the rotating capacity of the swing arm body is not affected while the swing arm body is supported by the supporting mechanism, the height of the supporting mechanism is changed through the second sliding block due to the fact that the supporting length of the supporting mechanism is limited, and the movable range of the swing arm body is enlarged.

The utility model belongs to the technical field of locking devices, and particularly relates to a rotating shaft locking device which comprises a rotating shaft, a self-locking disc is rotationally installed on the rotating shaft, an annular groove is formed in one side of the self-locking disc, and a first pressing disc is installed in the annular groove. A first pressing disc groove is formed in the side, provided with the annular groove, of the first pressing disc, a second pressing disc is installed in the first pressing disc groove, a special-shaped disc is further arranged in the annular groove of the self-locking disc and rotationally connected with the rotating shaft, a compression spring is arranged on the special-shaped disc, and the compression spring is connected with the self-locking disc. Stand columns are mounted at two ends of the compression spring. The self-locking disc and the special-shaped disc can be locked at fixed positions and unlocked, so that the position of the medical manipulator part connected to the self-locking disc and the special-shaped disc is effectively locked, position deviation of the medical manipulator part caused by external interference is avoided, the operation precision of the medical manipulator is effectively guaranteed, and the operation accident rate is reduced.

The utility model provides an outdoor vacuum circuit breaker, which relates to the technical field of vacuum circuit breakers and comprises a circuit breaker main body, a rotating shaft is arranged on the side surface of the circuit breaker main body in a penetrating manner, fixing seats are fixedly mounted on two sides of the circuit breaker main body, and a bottom sealing plate is arranged at the lower end of the circuit breaker main body. A fixing support is fixedly installed on the inner surface of the circuit breaker body, a fixing screw is arranged on the surface of the bottom sealing plate in a penetrating mode, a sealing ring is arranged on the outer side of the fixing screw in a sleeving mode, a rotating part of the circuit breaker is matched with a flange through a rotating shaft, and nitrile rubber is used as an O-shaped sealing ring on the outer side of the rotating shaft. In addition, a step groove is formed in the surface of the fixing support, so that the sealing ring can be positioned, water vapor can be prevented from entering the circuit breaker shell, the bottom sealing plate is fixed in a mode of fixing screws and threaded holes, and the sealing ring can be prevented from entering the circuit breaker shell. And the water vapor is further prevented from entering the circuit breaker shell.

The hinge comprises a concave hinge concave arm, a convex hinge convex arm which is shaped like a Chinese character'tu 'and is inserted into the hinge concave arm, and a hinge pin for connecting the hinge convex arm and the hinge concave arm, the cylindrical section is in clearance fit with the hinge convex arm, the elastic conical surface section is integrally formed at the upper end of the cylindrical section and can elastically deform in the radial direction, the fixed conical surface section is integrally formed at the lower end of the cylindrical section and cannot deform, and the fixed conical surface section is in conical surface fit with the hinge concave arm. An axial blade screw is assembled in the hinge pin, and the elastic conical surface section is shaped along with the in-place assembly of the blade screw and is in conical surface fit with the hinge concave arm. The hinge pin can be effectively prevented from loosening, hinge failure is avoided, the application scenarios of the hinge are increased, the rotation flexibility of the hinge is guaranteed, the hinge quality is improved, repeated utilization of the hinge is achieved, and practicability is high. The invention further provides an assembling and disassembling method of the hinge.