14results about How to "Synchronous lifting" patented technology

The utility model discloses a small winding device for upper and lower stop wires of a zipper, relates to the field of zipper processing equipment, and solves the problems of insufficient winding uniformity and the like. Comprising a take-up mechanism, a wire passing roller mechanism and a guide mechanism, the take-up mechanism comprises a rotating shaft capable of doing linear reciprocating motion and a take-up cylinder detachably and fixedly arranged on the rotating shaft in a sleeving mode; a lifting assembly is connected to the wire passing roller mechanism and drives the wire passing roller mechanism to rise gradually in the vertical direction. The guide mechanism comprises two bow arms which are oppositely arranged at an interval and at least two chord lines tensioned between the two bow arms; the two strings are arranged in parallel at intervals to form a guide channel for the wires to penetrate through, and the guide channel is perpendicular to the take-up barrel and located at the position where the wires are about to be wound to the take-up barrel. The double-string guide channel forms accurate constraint on the wires, transverse shaking of the wires before winding is effectively restrained, the problems of wire overlapping and groove jumping caused by insufficient constraint of a traditional guide mode are solved, and the winding stability and the winding body quality are integrally improved.

The utility model relates to large -scale steel structure welding mobile type operation platform, including support base, operation platform, ladder structure and lifting assembly, the lifting assembly includes cross bar and control assembly, wherein: Cross bar installs on support base, Control assembly rotationally sets up on cross bar, and bottom can extend downward to make universal wheel from ground, Control assembly includes pivot, support leg and spacing cylinder, wherein: Pivot passes through cross bar and is connected with rotation, Support leg is with pivot's bottom screw joint, Spacing cylinder installs on cross bar, and spacing cylinder and support leg sliding connection, the utility model discloses through the control of lifting assembly, can make universal wheel from ground when operating, will platform fixed in the operation position, promotes the operation security, after the operation, can make universal wheel ground, the platform moves conveniently, realized the flexible switching of mobile and fixed function, improved the use convenience of platform.

This utility model discloses a scratch-resistant dining table, including a tabletop, a height adjustment mechanism, a mounting and locking mechanism, and a locking auxiliary mechanism. The height adjustment mechanism includes an anti-scratch plate, a bottom support plate, a top support plate, a hinge frame, and a hydraulic cylinder. The mounting and locking mechanism includes a locking tube, a locking rod, an annular groove, an embedded plate, a turntable, and a driving plate. The height adjustment mechanism improves the wear resistance and service life of the tabletop by setting an anti-scratch plate on the top of the tabletop. The use of paired hinge frames and hydraulic cylinders ensures smooth and stable lifting. The locking rod and locking tube can be quickly inserted. The embedded plate and the annular groove complete stable locking, improving assembly efficiency. The spring support pin provides continuous pushing force to the rotating ring, making the rotation of the plate more stable and reliable. The clamping ring clamps the driving plate through a threaded adjustment method to prevent rotational loosening and improve the overall locking force of the connection.

This utility model relates to a geomembrane storage device, belonging to the technical field of geomembrane production equipment. It includes a frame with a lifting assembly movably mounted on it. Horizontal supports are provided along the width direction on the lower part of both sides of the frame, and multiple fixed rollers are evenly installed above the horizontal supports on both sides. Multiple lifting rollers are rotatably mounted on the lifting assembly, and the lifting rollers and fixed rollers are staggered in the horizontal direction. The lifting assembly includes a connecting beam, with lifting slide plates fixedly connected to both ends of the connecting beam. This utility model forms a retractable storage path through the staggered arrangement of fixed rollers and lifting rollers, temporarily storing continuously produced geomembrane, preventing geomembrane contamination, significantly reducing raw material loss, and lowering production costs. No downtime is required during the replacement of the winding rollers, allowing the front-end production equipment to operate continuously, effectively improving production line efficiency. A single motor, in conjunction with a transmission shaft, drives the worm gear lifting mechanisms on both sides synchronously, ensuring synchronous lifting on both sides of the lifting assembly, resulting in stable, safe, and reliable equipment operation.

This utility model discloses a surface treatment device for end cap processing, including an ultrasonic cleaner. The ultrasonic cleaner has a mesh basket inside its cavity and a protective frame on its top. Pushing devices are located on the left and right sides of the top of the mesh basket. This utility model solves the problem of existing ultrasonic cleaners requiring operators to place the end caps to be cleaned into the mesh basket before manually inserting them into the ultrasonic cleaner. After cleaning, the mesh basket must be manually removed from the ultrasonic cleaner. This process is time-consuming and labor-intensive. Furthermore, during cleaning, the end caps are usually stationary inside the mesh basket, which may prevent sufficient cleaning of the contact area between the end cap and the mesh basket, thus affecting the cleaning effect.

This utility model belongs to the field of building door and window technology, and particularly relates to a dual transmission device for lifting windows, including a drive mechanism, a first transmission mechanism, and a second transmission mechanism. The drive mechanism includes a drive motor, a worm gear, a worm wheel, and a drive shaft. The dual transmission device for lifting windows provided in this application adopts a double-chain transmission structure. The first chain and the second chain simultaneously carry the movable window, distributing the load-bearing force and reducing safety hazards. It adopts a single-motor transmission structure, in which the drive motor drives the worm gear, worm wheel, drive shaft, first sprocket, and second sprocket to rotate, thereby driving the first chain and the second chain to move up and down, thus driving the movable window to move up and down. The single-motor system has low cost, simple control, and effectively ensures synchronous lifting. The worm gear and worm wheel mesh to form a self-locking structure, which can fix the movable window at any position, making the positioning more reliable and effectively preventing the movable window from falling due to its own weight.

The application discloses a railway freight car damping system replacement set, and belongs to the technical field of railway freight car damping system maintenance equipment. The set is composed of a self-locking hydraulic pick, a supporting tool, a positioning pin, a wire tightener, a portable electric hydraulic pump, a lifting protection device and a pillow spring fork, and the components are detachably connected through the positioning pin and an oil pipe. The supporting tool is symmetrically designed and is provided with a protruding block, cooperates with the self-locking device of the self-locking hydraulic pick and the wire tightener, and can avoid pick collapse during the jacking process; the lifting protection device comprises a first lifting protection device and a second lifting protection device, and provides safety protection at the highest jacking position and the lowest falling position of the bolster end head, respectively. The set can simultaneously complete pillow spring replacement and side frame column wear plate replacement, and can be used for on-line maintenance without removing the car, solves the problems of single function, narrow adaptation range, low maintenance efficiency and great safety hidden danger of the existing equipment, and is suitable for various types of railway freight car bogies.

The present application belongs to the technical field of traffic safety guidance, and particularly relates to a traffic intersection vehicle and pedestrian indication and guidance device; the device comprises a mobile base and a protection box; an information display assembly is arranged on the protection box; the information display assembly comprises a display, a warning light strip and a warning light board; a first rocker arm and a second rocker arm are hingedly connected to the top of the protection box, the first rocker arm is connected with a driving motor in the protection box, the first rocker arm and the second rocker arm are crossed, a linkage rod is hingedly connected between the top ends of the first rocker arm and the second rocker arm, a support disc is installed on the linkage rod, the display is installed on a rotating seat on the support disc, and a counterweight is installed at the lower end of the display; the support disc is provided with downwardly hanging lugs on the left and right sides of the linkage rod, and the warning light board is hingedly connected with the lugs; multi-angle self-adaptive inclination of the display is realized through the linkage of the rocker arms, the picture is kept upright in combination with the counterweight; meanwhile, corresponding camera pictures are switched according to the inclination direction, visual blind areas are effectively eliminated, and traffic safety is improved.

This utility model belongs to the field of building door and window technology, and particularly relates to a dual-drive synchronous lifting window, including a window frame, a lower fixed frame, a movable window, a transmission mechanism, and an installation mechanism. The transmission mechanism includes a gearbox, a transmission motor, a worm gear, a worm wheel, a transmission shaft, a support plate, a first sprocket, a first chain, a first window sash mounting plate, a driven sprocket, a second sprocket, a second chain, and a second window sash mounting plate. The installation mechanism includes a first mounting plate and a second mounting plate. The dual-drive synchronous lifting window provided in this application adopts a dual-chain transmission structure, where the first and second chains simultaneously bear the movable window, distributing the load and reducing safety hazards; the single-motor system is low-cost and simple to control, effectively ensuring synchronous lifting; the first and second mounting plates provide a precise positioning reference for the gearbox and the second sprocket, improving installation efficiency; the installation mechanism uses a pin-type installation, making disassembly and assembly quicker and more convenient, improving maintenance efficiency; the worm gear and worm wheel mesh to form a self-locking structure, allowing the movable window to be fixed at any position, making positioning more reliable.

The utility model discloses a lifting device and a lifting connection device. The lifting device comprises a supporting structure, the supporting structure comprises at least one supporting assembly, the supporting assembly is used for containing a base plate, each supporting assembly comprises a first base, the first base is provided with a plurality of sets of supporting units, and the supporting units are connected with the base plate; the lifting structure comprises a driving part, the output end of the driving part is provided with a steering assembly, the steering assembly is connected with at least one lifting assembly and converts rotary motion into vertical motion, and the lifting assemblies are connected with the first base so as to drive the base plate to ascend or descend. According to the utility model, the single driving piece drives the lifting assemblies through the steering assembly, so that synchronous lifting of multiple supporting points is ensured, and inclination or clamping stagnation of the substrate is avoided; the steering assembly converts the horizontal rotating motion of the driving piece into the vertical direction, and the problem that the precision of a traditional pneumatic / hydraulic system is insufficient due to pressure fluctuation is solved.

This invention provides an automated suturing device and robotic platform for oral surgery, relating to the field of oral medical device technology. It includes an operating table with an operation window on its central surface. A rotating assembly is located at the top of the operation window. The rotating assembly includes a toothed ring rotatably mounted around the operation window. A movable frame is fixed to the top of the toothed ring. A needle-threading assembly is located inside the operation window, including a first sliding frame. Compared to existing technologies, the needle-threading assembly and clamping assembly are mounted on the operating table and can be adjusted according to the patient's wound position. After connecting the suture to the suture hook, the suture passes through both sides of the wound under the drive of the needle-threading assembly. The clamping assembly pulls out the suture hook and cuts and knots the suture, facilitating precise positioning and suturing of the oral wound, saving manpower and improving efficiency.

The invention belongs to the technical field of traffic safety guidance, and particularly relates to a traffic intersection passing vehicle and pedestrian indicating and guiding device. Comprising a movable base and a protection box; an information display assembly is arranged on the protection box; the information display assembly comprises a display, a warning light bar and a warning light board; a first rocker arm and a second rocker arm are hinged to the top of the protection box, the first rocker arm is connected with a driving motor in the protection box, the first rocker arm and the second rocker arm are crossed, a linkage rod is hinged between the top ends of the first rocker arm and the second rocker arm, a supporting disc is installed on the linkage rod, and the displayer is installed on a rotating base on the supporting disc. A balancing weight is mounted at the lower end of the display; drooping lifting lugs are arranged on the left side and the right side of the linkage rod on the supporting disc, and the warning light board is hinged to the lifting lugs; multi-angle self-adaptive inclination of the display is realized through linkage of the rocker arm, and a picture is kept upright in combination with a balancing weight; meanwhile, the corresponding camera pictures are switched according to the inclination direction, the visual blind area is effectively eliminated, and the traffic safety is improved.

This invention discloses a head-and-tail frame type turning and positioning machine for manual welding and turning of turntable structural components. It includes a turntable structural component, column structures, crossbeams, flexible clamps, a lifting platform, and a safety rope device. The turntable structural component has column structures at both ends, connected by a crossbeam. The flexible clamps are located on the crossbeams, and the safety rope device is located on the main frame of the column structures, with the safety rope device positioned between the column structures. This invention has a rated load capacity ≥50t (workpiece only), can achieve 0~360° turning, and can be applied to turntable structural components of various crawler crane models with lengths exceeding 13 meters, widths exceeding 3.5 meters, and heights exceeding 3 meters. It solves the problem of turning and positioning during manual welding of turntable structural components, avoiding the problems of numerous turning operations, low turning efficiency, high skill requirements for workers, high labor intensity, and significant safety risks associated with existing technologies using overhead cranes for turning.