9results about How to "Tight and stable" patented technology

The cutting machine comprises a pressing device used for pressing materials on a material machining table, the pressing device comprises a pressing roller, a first air cylinder and a second air cylinder, and the first air cylinder and the second air cylinder are connected with the two shaft ends of the pressing roller correspondingly so as to drive the pressing roller to ascend and descend together. The first air cylinder is located on the side, close to the track, of the material machining table and installed on the cross beam through a first installation component, the second air cylinder is located on the side, away from the track, of the material machining table and installed on the cross beam through a second installation component, and cylinder bodies of the first installation component and the first air cylinder are both higher than the material transferring structure in the vertical direction. The first mounting component and the cylinder body of the first air cylinder are both higher than the material transfer structure in the vertical direction, and when the material transfer structure needs to transfer materials, the movement requirement of the material transfer structure can be met only by lifting the pressing roller to the position higher than the material transfer structure.

The utility model discloses a kind of clamp head structures for steering knuckle automatic feeding and discharging, including clamp top plate, the bottom surface of clamp top plate is fixedly connected with center pole, center pole is fixedly connected with several short arc rods by several connecting radial rods, several short arc rods are fixedly connected with short shaft, short shaft is rotatably connected with abutment rod;Top rod is slidably connected with the center pole, and the bottom end of top rod is fixedly connected with conical shell;Telescopic component is provided on clamp top plate, and telescopic component is connected with top rod to control the sliding of top rod on clamp top plate;Several abutment rods are located inside conical shell.The clamp head structure utilizes the bottom end of abutment rod to expand outward by conical shell up-down movement, to realize the abutting of the inner side wall of steering knuckle upper end seat or external connector, to make the feeding and discharging of steering knuckle more smooth, efficient, structure is simple, degree of automation is high, suitable for application under steering knuckle feeding and discharging working condition.

The utility model relates to the technical field of motorcycle frames, in particular to a battery pack stable installation frame structure of a new energy motorcycle, which comprises a frame main body, a fixed support plate is welded on the frame main body, a fixed box is fixed on the fixed support plate, and a battery pack is arranged in the fixed box. Pushing assemblies used for limiting and fixing the battery assembly are arranged on the periphery of the inner wall of the fixing box and comprise movable pushing plates arranged on the inner side of the fixing box and driving pieces used for driving the movable pushing plates to be tightly attached to the outer wall of the battery assembly. The movable push plate can be driven to limit and fix the battery assembly from four directions by operating the sliding plate, so that the problem of tedious disassembly and assembly in an existing bolt fixing mode is solved, the efficiency of assembly and disassembly of the battery assembly is greatly improved, daily maintenance, replacement or charging operation is facilitated, and meanwhile, the battery assembly is convenient to disassemble and assemble. The sliding insertion plate is clamped into the locking groove under the action of the connecting spring, so that the sliding plate can be quickly limited, and the movable push plate is ensured to stably abut against the battery assembly.

The utility model discloses an efficient aluminum foil coating device for medicine packaging. The efficient aluminum foil coating device comprises a U-shaped plate, a vertical plate is fixedly connected to the inner wall of the bottom of the U-shaped plate, an aluminum foil roll is rotationally connected to the front side of the vertical plate, a winding roller is rotationally connected to the front side of the vertical plate, and a plurality of guide rollers are rotationally connected to the front side of the vertical plate. When aluminum foil slips in the conveying and winding process, a motor drives a vertical block to move rightwards through a screw to extrude a connecting rod, the connecting rod drives a cylinder to stretch a spring upwards through a transverse block, the transverse block drives an extrusion roller to move, and the extrusion roller extrudes the bottom of the aluminum foil in the moving process; and the aluminum foil is in a tightened state, so that the aluminum foil does not slip or loosen in the transmission winding process, the aluminum foil can be quickly adjusted to be tightened according to actual needs, transmission can be effectively and stably carried out, and the efficiency of aluminum foil brushing operation is improved.

The utility model relates to a gantry milling tool fixture for an oil hydraulic cylinder seat and a gantry milling machine, the gantry milling tool fixture for the oil hydraulic cylinder seat is installed on a workbench and comprises a positioning tool and a supporting tool, the positioning tool is used for positioning the oil hydraulic cylinder seat, the supporting tool is used for tightly supporting the oil hydraulic cylinder seat, and the positioning tool is used for positioning the oil hydraulic cylinder seat. The supporting tool comprises a fixed base and a supporting plate, one side of the supporting plate can abut against the oil hydraulic cylinder base, the other side of the supporting plate can abut against the fixed base, and the fixed base and the supporting plate are connected through a fastener. The utility model has the beneficial effects that the machining precision, the stability and the machining efficiency can be effectively improved.

The present invention relates to an automatic bundling and wrapping machine for garden cutting branches, comprising an input mechanism, a bundling mechanism, an automatic wrapping and wrapping mechanism, a receiver, and an output device arranged in sequence according to the conveying direction, wherein the bundling mechanism is fixed on the input mechanism, and the bundling mechanism comprises a pair of upper bundling pressure wheels and lower bundling pressure wheels arranged up and down and rotatable relative to the input mechanism, an O-ring structure is formed between the upper bundling pressure wheels and the lower bundling pressure wheels, and the receiver is fixed on the automatic wrapping and wrapping mechanism, and the receiver is in a trumpet-shaped structure, and the large mouth end of the receiver faces the automatic wrapping and wrapping mechanism, and the receiver cooperates with the bundling mechanism to bundle the branches. The present invention can realize the function of rapid mechanized wrapping and wrapping of multiple branches, wrap and bundle multiple branches into a bundle, and provide a favorable basis for the subsequent processes of shearing, drug soaking, transportation, etc.

The invention relates to the technical field of tunnel lining protection, in particular to a small-section tunnel lining safety protection construction structure which comprises a middle main driving unit, a center walking mechanism is installed at the bottom of the middle main driving unit, and multi-fulcrum supporting mechanisms are arranged on the front side and the rear side of the middle main driving unit correspondingly. Each multi-fulcrum supporting mechanism is driven by the middle main driving unit, each supporting end of each multi-fulcrum supporting mechanism abuts against the inner wall of an arc-shaped lining in a tunnel, and grouting holes allowing grout to be injected are formed in the front side and the rear side of each arc-shaped lining at the top correspondingly; and a slurry treatment unit is arranged on one side of each multi-fulcrum supporting mechanism. According to the method, when the arc-shaped lining is installed in the small-section tunnel, primary fixing is completed through expansion bolts, and in order to guarantee the supporting and protecting effect when the tunnel is used as a pressure type desilting tunnel, the stability and effective protecting strength of a supporting structure formed in the tunnel are guaranteed.

The utility model relates to the field of composite pipe production, and particularly discloses a multi-layer co-extrusion composite pipe production device which comprises a machine body and two sets of cutting wheels arranged below the machine body and used for cutting two sets of pipes, the two sets of cutting wheels are symmetrically arranged, and a supporting frame is fixedly connected to the machine body; a first electric telescopic rod is fixedly connected to the supporting frame, a pressing plate is fixedly connected to the telescopic end of the first electric telescopic rod, a cutting groove matched with the cutting wheel is formed in the pressing plate, sliding grooves are formed in the two sides, parallel to the supporting frame, of the machine body, and two sets of locking plates are arranged on the sliding grooves in a sliding mode; the supporting frame comprises two sets of stand columns which are mutually stacked, and the machine body is provided with a driving mechanism used for driving the two sets of locking plates to be close to the two sets of stand columns correspondingly to clamp and fix the two sets of pipes. The pipe cutting device has the effects of preventing the pipes from shaking during cutting and improving the production efficiency of the pipes.

The utility model discloses a screw tap easy to take out after being broken, which comprises a screw tap handle part and a screw tap blade part arranged on the screw tap handle part, the screw tap handle part and the screw tap blade part are internally provided with mounting holes, the mounting holes are internally provided with first abutting mechanisms, the abutting mechanisms are used for abutting against an unscrewing piece, and the unscrewing piece can be taken out easily through the first abutting mechanisms and the like. According to the technical scheme, when the unscrewing pieces in different shapes are inserted into the mounting holes, the unscrewing pieces can abut against the unscrewing pieces, broken screw taps can be easily taken out from the different unscrewing pieces, universality and compatibility are improved, in addition, through the limiting mechanism and the like, when the abutting block abuts against the unscrewing pieces, the moving disc is prevented from rebounding, and abutting of the abutting block is more stable.