11results about How to "High locking reliability" patented technology

This invention relates to the field of gearbox housing processing technology, and more particularly to a die-casting molding device for automotive gearbox housing processing. The device includes a base on which a die-casting mechanism is mounted for die-casting automotive gearbox housings. The die-casting mechanism includes: a mold assembly comprising a base mounted on the base, a fixed mold fixed to the front end of the base, a movable mold mounted on the base, a push plate slidably installed inside the fixed mold, and a push rod fixed to the front end of the push plate; and a linkage assembly comprising a guide seat fixed to the rear end of the push plate, guide grooves on both the left and right sides of the guide seat, a guide straight groove at the front end of the guide grooves, and sliding rods slidably mounted through both ends of the base. The device achieves sequential linkage between locking and demolding, with unlocking preceding ejection to avoid motion interference. The locking head angle and position are adjustable, offering strong adaptability and high assembly precision. Synchronous driving from both sides ensures stable locking alignment and smooth, reliable operation.

The utility model relates to an installation structure for an illuminating lamp and an illuminating system. The installation structure comprises a bottom plate unit, a first support unit, a second support unit, a first locking unit, a second locking unit, a control unit and an installation unit. An advantage is that; the first support unit and the second support unit are matched to enable the second support unit to reciprocate in the axial direction of the first support unit, the illuminating lamp is driven to ascend and descend synchronously, the limitation of traditional fixed height is broken through, the large-range illumination requirement of scenes such as a meeting room can be met, and close-range illumination of local operation of a workshop can also be adapted; through cooperation of the first locking unit, the second locking unit and the control unit, the first locking unit and the second locking unit move face to face or back to back in the horizontal direction to abut against or be separated from the second support unit, the second support unit is tightly clamped in the abutting process, it is ensured that the height is stable after adjustment, and the second support unit is released in the separation process; and flexible adjustment is facilitated.

This utility model relates to the field of vertical turntable locking technology, and discloses a vertical turntable positioning and locking device, including a back plate and a connecting circular shell. A rotating assembly is provided on the inner side of the back plate. Two outer shells are fixedly connected to the side of the connecting circular shell, and each of the two outer shells has a snap-fit ​​assembly on its inner side. A turntable is rotatably connected to the bottom side of the connecting circular shell, and a locking device is provided on the inner side of the end of the turntable. The locking device includes a friction block, which is fixedly connected to the outer side of the back plate. In this utility model, a mechanically rigid locking is achieved by passing a fixing bolt through the threaded hole between the friction block and the turntable, ensuring that the turntable does not wobble after positioning. The material of the friction block increases the friction of the contact surface, further improving the locking reliability. It is suitable for scenarios requiring high-precision positioning. The threaded connection of the fixing bolt facilitates quick assembly and disassembly, meeting the needs of turntables that require frequent angle or position adjustments, and improving equipment flexibility.

The utility model discloses a double-fluid water mist spray head which comprises a spray head body, one end of the spray head body is connected with a communicating bin, one end of the communicating bin is connected with an airflow pipe, one side of the communicating bin is connected with a liquid flow pipe, and one end of the airflow pipe and one end of the liquid flow pipe are provided with a speed adjusting device. The speed adjusting device comprises a rotating sleeve, a sliding groove, a sliding block, a sliding plate, a linkage sleeve, a moving rod, a moving sleeve, a matching sleeve and a thrust bearing, the sliding groove is obliquely formed in the liquid flow pipe and the air flow pipe, the sliding block is connected to one side of the sliding plate, the thrust bearing is connected with the linkage sleeve and the matching sleeve, the moving rod is sleeved with the moving sleeve, and the sliding rod is sleeved with the matching sleeve. The outer wall of the matching sleeve is connected with the inner wall of the liquid flow pipe and the inner wall of the air flow pipe through threads, a locking mechanism is arranged on the outer side of the liquid flow pipe and the outer side of the air flow pipe, and the locking mechanism comprises a locking sleeve, a control panel, a control groove, a control hole, a shifting rod, a shifting plate, a locking spring, a locking block and a stop block. The flow velocity adjusting mechanism has flow velocity adjusting flexibility and adjusting mechanism stability.

The utility model relates to flow measuring device technical field, concretely is a flow measuring device for hydrological survey, including support, the upper end fixed assembly of support has the support frame, the lateral wall fixed assembly of support has servo motor, the output fixed assembly of servo motor has the reel, the circumferential surface of reel has the traction cable around, the traction cable sliding penetrates the support frame, one end fixed assembly of traction cable has the lead block, the surface fixed assembly of traction cable has the T -shaped block. The utility model, through setting up servo motor, reel, traction cable, lead block and radar wave flow measuring instrument etc. part, need to adjust the horizontal position of radar wave flow measuring instrument in the process of hydrological survey, under the cooperation of lead block and traction cable, through the rotating direction of control servo motor output end can adjust the position of radar wave flow measuring instrument, thereby the convenience of using radar wave flow measuring instrument measures the flow velocity of river channel different section or different position, improved the practicality of radar wave flow measuring instrument.

The application provides a two-stage floating butt joint on-orbit replaceable mechanism and a pallet device thereof, and the on-orbit replaceable mechanism comprises an outer shell and a cargo carrying assembly, a mechanical active butt joint locking assembly and a two-stage floating electrical interface assembly; the two-stage floating electrical interface assembly comprises an active butt joint part and a passive butt joint part; the active butt joint part is arranged on the outer shell of the outer shell and the cargo carrying assembly, and the passive butt joint part is arranged on a passive butt joint spacecraft; the active butt joint part and the passive butt joint part are matched to realize electrical interface butt joint; the butt joint locking mechanism of the mechanical active butt joint locking assembly is installed on the outer shell and the cargo carrying assembly; the mechanical active butt joint locking assembly drives the connecting rod structure of the butt joint locking mechanism to stretch and retract through a motor driving screw nut structure, so that the butt joint locking mechanism and an external device with a locking hole realize butt joint and locking. The application has the characteristics of high butt joint precision, strong butt joint rigidity, good carrying stability and convenient on-orbit operation.

This invention discloses a machine-room-less elevator car fixing device, comprising a mechanical execution unit and an electrical control unit. The mechanical execution unit includes a connecting plate, a guide plate, a limit plate, a cover plate, a positioning shaft, an operating rod, bolts, a first bushing, and a second bushing. The guide plate is fixed to the connecting plate, and the positioning shaft passes through a through hole in the guide plate and can slide axially. The operating rod is linked to the positioning shaft. The electrical control unit includes a limit switch and wiring cable, and status detection and interlocking are achieved by triggering the stepped structure of the positioning shaft. This invention eliminates the need for spring reset, features a compact integrated structure, occupies little space, provides reliable locking, is easy to operate, and is highly durable. It is suitable for the narrow shafts of machine-room-less elevators and can effectively improve maintenance safety and space utilization.

The application discloses a folding joint, which comprises an upper joint, a lower joint, a hinge shaft, a handle body and a tightening mechanism, one end of the handle body is provided with an eccentric part; the inner side walls of the upper joint and the lower joint are respectively provided with an upper locking groove and a lower locking groove, the tightening mechanism comprises a tightening block, an adjusting screw rod and an adjusting sleeve rod, one side of the tightening block is provided with a tightening part matched with the upper locking groove and the lower locking groove, the other side is provided with a ball socket groove, one end of the adjusting screw rod is provided with a ball head part, the other end is threadedly connected with the adjusting sleeve rod, the ball head part is matched with the ball socket groove in a spherical surface, and the tightening block can be universally swung. The folding joint disclosed by the application is matched with the ball socket groove of the tightening block in a spherical surface through the ball head part of the adjusting screw rod, the universal swinging capability of the tightening block is achieved, the sufficient occlusal area and the locking strength are effectively ensured, and the locking reliability is improved.

This invention discloses a rapid mooring device and method for dock ships, comprising a base assembly, a rotating component, a sliding force transmission component, a tensioning mechanism, a tie rod assembly, and a mechanical locking assembly. The rotating component and the sliding force transmission component constitute a multi-degree-of-freedom follower mechanism to adapt to changes in the force direction of the mooring line. The tensioning mechanism drives the sliding force transmission component to achieve tensioning and release. The mechanical locking assembly includes a jump plate and a wedge block assembly for rapid coarse adjustment and precise locking of the load. Through the above structure, the small boat can achieve adaptive force adjustment during the floating and bottoming processes of the dock ship, and complete the switch of load from driven bearing to mechanical bearing on the deck. The method includes connection, tensioning, adaptive adjustment, and mechanical locking steps. This solution requires no underwater operation, has high operational safety, high mooring efficiency, and is suitable for rapid mooring and release operations of large-tonnage small boats.