13results about How to "Mesh tightly" patented technology

The invention discloses a flexible transmission structure of a circular cooler. Comprising a flexible base, a driving component is arranged on the flexible base, and a transmission pin gear is arranged on an output shaft of the driving component. Self-adaptive adjustment of the driving component in the radial direction of the rotary body can be achieved, so that tight meshing of the transmission pin gear and the rotary body pin teeth is ensured. The device is high in impact load resistance, reliable in work, compact in structure and convenient to install and maintain.

The invention provides a hybrid drive robot joint and a working method, relates to the field of robots, and aims to solve the problems of joint return errors, system vibration and dynamic precision reduction caused by transmission backlash of a precision speed reducer in existing robot joint drive. The first motor and the main driving unit of the RV speed reducer are combined with the compensation unit of the torque motor, so that the output shaft is simultaneously subjected to the synergistic effect of hybrid driving, and the torque motor outputs real-time controllable reverse compensation torque, so that gears in the RV speed reducer are always kept in tight engagement, the transmission backlash is effectively eliminated, and the service life of the RV speed reducer is prolonged. Compared with a traditional mechanical pre-tightening method, the defect that the compensation effect is attenuated due to long-term operation is overcome, stability and effectiveness can be kept in the whole process through a compensation mechanism of a torque motor, the transmission precision and position consistency are improved, the rigidity and dynamic response performance of robot joints are improved, vibration and track disturbance in the movement process are reduced, and the reliability is improved. And the robot is more stable and reliable in performance when executing work such as precise assembly and high-precision positioning.

The utility model belongs to angle adjusting hinge technical field especially a kind of self-locking ratchet angle adjusting hinge, including support seat and the adjusting seat of rotation connection with support seat, the upper surface of support seat is provided with self-locking mechanism, the self-locking mechanism includes spring and ball rod, the spring is driven by its elastic deformation and resets ball rod, by setting fixed mechanism, positioning and fixing are carried out to support seat, user when installing adjusting hinge, first, it is initially fixed on target object by back glue, the adhesion of back glue can fill up the tiny gap between support seat, adjusting seat and target object, then further fixed using bolt, form double fixed mechanism, the initial fixation of back glue can reduce installation difficulty and time, and its adhesive layer can absorb vibration and impact force, reduce the dynamic load that bolt bears, prolong the service life of overall structure.

This utility model relates to the field of charging pile technology, specifically to a charging gun anti-detachment structure for charging piles. It includes a base, a charging body mounted on one side of the base, and an anti-detachment component installed between the charging body and the charging gun. The anti-detachment component prevents the charging gun from falling off. Compared to existing technologies, this application, by setting the anti-detachment component, allows for manual pressing of the trigger handle after the charging gun is fully inserted, aligning the latch with the lock hole of the locking block. Upon release, a pressure spring pushes the latch to automatically engage in the lock hole, completing the lock. At this time, the arc-shaped support surface of the support block continuously abuts against the charging gun, providing auxiliary fixation. Furthermore, under external force, the weight of the charging gun is converted into a radial locking force of the latch, achieving self-reinforcing anti-detachment. To unlock, both sides must be pressed simultaneously. The trigger rod retracts the latch and the support block resets, allowing the charging gun to be safely removed.

The utility model relates to a kind of helical gear pump with multiple-tooth number asymmetric same modulus involute tooth profile, belong to helical gear pump technical field. Including back cover, positioning pin, floating sleeve, driving helical gear, driven helical gear, high-pressure sealing assembly, sealing ring, front cover, rotating lip skeleton oil seal, hole with clasp spring, bolt and pump body;Driving helical gear and driven helical gear are multiple-tooth number asymmetric same modulus involute tooth profile helical gear.The driving helical gear and driven helical gear in the utility model adopt multiple-tooth number asymmetric same modulus involute tooth profile, while increasing tooth thickness, leave out rotation space for addendum, ensure the strength and the stability of operation of gear, under the same addendum circle diameter, compared with standard helical gear, increase 4-6 tooth number, reduce flow pulsation, reduce noise.

The utility model relates to the technical field of hinge structure design, and discloses a honeycomb plate hinge type adjustable hinge structure which comprises two connecting shafts, connecting plates are rotatably connected to the front sides and the rear sides of the connecting shafts, honeycomb plates are fixedly connected to the bottom sides of the connecting plates at the front ends and the rear ends, and the honeycomb plates are hinged to the connecting shafts. The left end and the right end of the top side of the honeycomb plate are each provided with two threaded grooves, abutting assemblies are arranged in the threaded grooves, and the left side and the right side of the honeycomb plate at the rear end are each provided with a sliding groove. According to the utility model, the screw rod can be driven to rotate through the turn button, the sliding block and the connecting rod are driven to link the honeycomb plate to rotate, and stepless adjustment of the angle of the honeycomb plate at the front end is realized. The design that the rotating button sleeve supports the sliding block at the right end balances stress at the left end and the right end, the problem that stress is not uniform during adjustment of a single screw is solved, it is ensured that the adjustment process is stable and smooth, different feeding path requirements can be accurately met, the adaptability of equipment to complex working conditions is improved, and the device is particularly suitable for production scenes where the feeding direction needs to be frequently adjusted.

This utility model relates to a drill string processing system for oil drilling rigs, including a two-tier manipulator, a drill platform manipulator, a powered slip device, a steel drill bit, a thread cleaning device, and a traveling crane system. The two-tier manipulator is installed on the second tier of the derrick, and the traveling crane system is vertically and movably installed on the derrick. The drill platform manipulator and the steel drill bit are installed on the drill platform, allowing them to operate close to the wellhead. The powered slip device is installed at the wellhead. The thread cleaning device includes a male thread cleaning assembly and a female thread cleaning assembly. Both are installed on the drill platform; the male thread cleaning assembly cleans the male threads of the drill string located at the wellhead, and the female thread cleaning assembly cleans the female threads of the drill string located at the wellhead. Its advantages include a high degree of mechanization, significantly improved operational efficiency and safety.

A rocker arm transmission device of a small-angle side sewing machine comprises an arm body unit which is provided with a vertical rocker arm body, an oblique arm body, a rocker arm head and a rocker arm cover, the vertical rocker arm body is rotationally supported through a rocker arm fixing sleeve, and the oblique arm body is connected with the vertical rocker arm body; the synchronous belt wheel power unit is arranged in an inner cavity of the vertical rocker arm body, and a driven wheel piece drives the shuttle support transmission unit; the gear positioning unit is arranged in the vertical rocker arm body; the shuttle support transmission unit comprises a shuttle support ball head transmission shaft, a shuttle support transmission gear piece and a transition gear; the needle plate transmission unit comprises a needle plate ball head transmission shaft and a needle plate transmission gear piece, and the needle plate ball head transmission shaft is connected with the gear positioning unit; the shuttle support piece is mounted between the rocker arm cover and the rocker arm head; and the shuttle assembly comprises an inner side shuttle and an outer side shuttle which are respectively matched with the needle plate transmission gear piece and the shuttle support piece. The utility model has the advantages that the design of the arm body unit is optimized, the sewing requirements of high-upper shoe products are met, and the working efficiency is improved; a gear meshing transmission mode is innovated, and transmission stability and reliability are improved.

A toothed chain transmission system, belonging to the field of chain drive technology, includes a toothed chain and sprockets that mesh with each other. The chain includes guide plates, toothed chain plates, pins, and rollers. Rollers are mounted on the pins. The guide plates are located on both sides of the chain, and the two ends of the pins are respectively interference-fitted with first connecting holes on the guide plates. The toothed chain plates include first toothed chain plates and second toothed chain plates. The first toothed chain plates are arranged side by side along the pin axis on two adjacent pins between adjacent guide plates. The second toothed chain plates are connected to two pins located on the inner side of the first toothed chain plates between adjacent first toothed chain plates. This invention is based on the meshing transmission principle of toothed chains and optimizes and improves the original toothed chain, thereby achieving the goals of noise reduction, load increase, and transmission efficiency improvement when used in conveying equipment, significantly improving the overall performance and reliability of the chain drive system.

The utility model discloses a speed chain conveying structure which comprises a speed chain conveying belt, a baffle is arranged outside the speed chain conveying belt, one end of the baffle is connected with a vertical transmission assembly, a tensioning wheel is arranged on one side of the vertical transmission assembly, and the lower end of the vertical transmission assembly is connected with a belt transmission assembly. According to the double-speed chain conveying belt tensioning device, the two tensioning wheels move downwards at the same time to restore the tension of the double-speed chain conveying belt, firstly, the two tensioning wheels are opposite to one tensioning wheel, the downward moving distance of the tensioning wheels can be reduced, the two tensioning wheels can exert equal pulling force on the two sides of the double-speed chain conveying belt, the whole chain of the double-speed chain conveying belt is evenly stressed, and therefore the tensioning effect of the double-speed chain conveying belt is improved. And compared with a single tensioning wheel, the problems of chain deviation, distortion and the like can be avoided, the tension recovery effect of the speed chain conveying belt is further improved, the effect of temporarily recovering the tension of the speed chain conveying belt is achieved, and it is guaranteed that the current work progress is not affected.

The application discloses a universal joint ball pair locking mechanism and medical equipment, and relates to the field of medical equipment. The universal joint ball pair locking mechanism comprises a ball joint and a locking assembly. The ball joint comprises an inner ball head and an outer ball body which are hingedly connected with each other. The locking assembly comprises a first engaging member, a second engaging member and an unlocking driving member. The application realizes rigid locking through the engagement of the first engaging member and the second engaging member. The locking design is not affected by factors such as changes in the friction coefficient and wear, and can stably maintain the relative angle of the inner ball head and the outer ball body, thereby avoiding adverse loosening caused by friction failure and improving the stability of the locking strength. The locking assembly has two states of locking and unlocking. When unlocked, the inner ball head and the outer ball body can be universally adjusted, thereby meeting the requirement of flexible equipment to reach a target position and angle. When locked, stable support is provided through rigid engagement, and the use requirements of flexible adjustment and reliable locking are considered, so that the application is well applicable to application occasions of the stability of equipment operation.

The application belongs to the technical field of bicycle handle, discloses a bicycle handle convenient for angle adjustment, which comprises a U-shaped mounting seat, a handle vertical rod, a handle horizontal rod, a bicycle handle holding part group and an angle adjustment assembly; mounting holes are formed at both ends of the U-shaped mounting seat, guide holes are formed at the upper sides of the mounting holes at both ends of the U-shaped mounting seat; the handle vertical rod is rotatably installed at the inner side of the U-shaped mounting seat, rotating rods are fixedly installed at both ends of the handle vertical rod, and the rotating rods are inserted into the mounting holes; the handle horizontal rod is fixedly installed at the upper end of the handle vertical rod; the bicycle handle holding part group is fixedly installed at both ends of the handle horizontal rod, and the handle angle can be adjusted without tools through the cooperation of damping telescopic rods, springs and limiting rods; the limiting rods are separated from the positioning grooves by pulling the rotating disc, the handle vertical rod can be rotated to adjust the angle, the spring is automatically reset after being loosened, and the limiting rods are embedded into the corresponding positioning grooves to complete locking.