9results about How to "Solve sliding" patented technology

The utility model relates to the technical field of mechanical automation, in particular to a feeding positioning mechanism which comprises a lifting drive, a lifting device and a clamping jaw device fixed on the lifting device, and the clamping jaw device comprises a sliding plate seat, a clamping arm drive, at least two clamping jaws and clamping arms respectively driving the clamping jaws. The clamping arm driver is fixed on the sliding plate seat to drive the driving end to rotate and drive the swinging end to move; and the sliding plate seat is fixedly connected with one side of the lifting device in an up-down sliding manner. The clamping jaws are driven by the clamping arms to symmetrically clamp and loosen, so that the opening and closing of the clamping jaws are larger, and the clamping device is suitable for materials with different sizes. Meanwhile, the driving ends of the clamping arms are oppositely arranged, the clamping arms are driven by the clamping arms to rotate, the movement range of the driving ends is small, the movement range of the driving is enlarged through swinging, and the driving can be set to be smaller.

The utility model discloses a kind of cantilevered scaffold steel wire rope sling fastening structure, including upper fastening plate and lower fastening plate, fastener is set in the inner side of fastening structure, fastener includes abutting plate, support plate and spring, support plate is set between spring and abutting plate, limiting piece is set between upper fastening plate and lower fastening plate, limiting piece includes through column and movable plate, through column is connected end, movable plate is set in the inner side of through column.The utility model is combined by abutting plate, support plate and spring in fastener, and through column and movable plate cooperation in limiting piece, so that structure can better adapt to the shape and stress condition of steel wire rope, provide stable fastening, the adjustability and stability of limiting piece, convenient tightening adjustment, and by movable plate in the vertical adjustment and transverse restriction design in movable slot, so that it adapts to different installation environment and stress requirement.

This utility model discloses a sewing fixture for irregularly shaped, non-slip pencil cases, relating to the technical field of garment accessory sewing auxiliary equipment. It includes a lower pressure plate assembly and an upper pressure plate assembly. The lower pressure plate assembly includes a lower pressure plate body with a bottom irregular opening that penetrates through the lower pressure plate body. The upper pressure plate assembly includes an upper pressure plate body, a pressure cap, and a rotating plate. One end of the upper pressure plate body is hinged to the lower pressure plate body, and a top irregular opening of the same shape and size is provided on it corresponding to the bottom irregular opening, penetrating through the upper pressure plate body. The pressure cap is disposed within the top irregular opening, and the outer peripheral wall of the pressure cap and the wall of the top irregular opening form a sewing path of the same width. One end of the rotating plate is rotatably mounted to one side of the irregular opening, and the other end of the rotating plate is fixedly connected to the pressure cap. This design solves problems such as poor clamping stability and non-standard sewing when sewing irregularly shaped pencil cases, improving the quality and efficiency of pencil case production.

The utility model relates to the technical field of battery trays, in particular to an adjustable blocking edge anti-sliding device of a soft package cylindrical battery tray, which comprises a tray main body, an adjustable blocking edge frame, a locknut, a main tooth, a buckle and an auxiliary tooth, the main tooth is integrally formed on the tray main body in an injection molding mode, and the auxiliary tooth is integrally formed on the adjustable blocking edge frame in an injection molding mode. The adjustable flange frame can be adjusted on the tray body in a sliding mode, and the main teeth on the tray body are meshed with the auxiliary teeth on the adjustable flange frame. The buckles are integrally arranged on the adjustable flange frame in an injection molding mode, clamping grooves matched with the buckles are formed in the tray body, and the buckles are connected with the clamping grooves in a buckled mode. The tray main body and the adjustable flange frame are connected through screws, and the locknuts are arranged at the screws to fix the tray main body and the adjustable flange frame together. Compared with the prior art, the adjustable blocking edge anti-sliding device for the soft package cylindrical battery tray can effectively solve the problem that an adjustable blocking edge of an existing tray slides, reduces the workload of tray adjustment when battery models are replaced at the same time, improves accuracy, and facilitates smooth normal production of batteries.

The utility model discloses a kind of clamping mechanisms for hardware machining, comprising: processing table, the upper end of the processing table is fixedly connected with placing table, the upper end of the placing table is provided with expansion assembly, the inner wall of the placing table is provided with clamping assembly, the expansion assembly includes shell, the upper end of the placing table is fixedly connected with shell, the inner wall of the shell is provided with connecting block, the inner wall of the connecting block is fixedly connected with connecting rod, and the number of connecting rod is four symmetrically arranged, the end of the connecting rod away from connecting block is rotatably connected with expansion arm by pivot, the outer side wall of the shell is provided with through-hole, and the number of through-hole is four symmetrically arranged, the inner wall of the through-hole is fixedly connected with limit shaft, the inner wall of the shell is rotatably connected with transmission shaft. The utility model cooperates through expansion assembly and clamping assembly, effectively solve the problem that traditional plane clamping plate is not firmly clamped when facing inner cylindrical hardware.

The utility model relates to a three-hook with a straight hook tip and an inclined straight bottom, which comprises a hook handle, hook bends and hook tips, and is characterized in that the lower end of the hook handle is respectively and uniformly connected with the three hook bends, the three hook bends are connected with the three hook tips, a hook door is formed between the top part of each hook tip and the hook handle, and the hook tips are connected with the hook door. The inner side wall surface of the hook tip and a vertical line passing through the center of the hook door form a right angle; the hook bend comprises two sections, one section is an inclined straight section from the hook handle to the bottom of the hook bend, the other section is a transition section from the bottom of the hook bend to the hook tip, the inclined straight section inclines towards the lower portion of the outer side of the hook handle, a main body part is linear or slightly cambered, and the transition section is arc-shaped. The bevel design is ingeniously introduced to the bottom of the fishhook, the inclined straight bottom is formed, when a fish is caught, a fish lip is firmly locked to the bottom of the fishhook, and the possibility of unhooking is reduced. Meanwhile, the inner wall of the hook tip is kept perpendicular to the hook door, the maximum distance between the hook tip and the hook handle is ensured, and therefore the fish running rate is remarkably reduced while the high fish rate is achieved.

The utility model relates to the technical field of furniture, and particularly discloses a seat with switchable moving modes, which comprises a seat body and switchable moving components respectively arranged on the outer sides of legs and feet of the seat body, each switchable moving component comprises a bending connecting piece, a screw rod, a connecting frame and a pulley, the bending connecting piece is fixed with the legs and feet of the seat body through a fastener, and the screw rod is connected with the connecting frame. A lead screw vertically penetrates through the upper portion of the bending connecting piece, the two ends of the lead screw extend out of the bending connecting piece, the lower end of the lead screw extends out and penetrates through the connecting frame to be provided with a first limiting nut in a screwed mode, the upper end of the lead screw extends out and is provided with a second limiting nut in a screwed mode, and the outer wall of the lead screw is sleeved with a pressure spring which is located between the bending connecting piece and the connecting frame. When the chair is placed, the bottoms of the pulleys protrude out of legs and feet of the chair body, and when the chair is pressed down under stress, the bottoms of the pulleys are flush with the bottoms of the legs and feet of the chair body. The folding and unfolding of the pulley can be realized by switching two states of the moving component, and the problem that the seat is difficult to move is solved.

A steam generation system of a supercritical photo-thermal generator set relates to the technical field of photo-thermal power generation, aims to solve the problem that an existing steam generation system is not mature yet, and adopts the technical scheme that the steam generation system comprises a main steam path heat exchanger used for heating feed water and completing evaporation and further heating steam to supercritical parameters; the reheater is used for heating reheated steam exhausted by a high-pressure cylinder of the steam turbine; the steam-water separator is used for realizing steam-water separation when the main steam pressure is lower than the critical pressure; a preheating bypass is started, the system is preheated in a circulating heating mode, and molten salt is prevented from being solidified; the molten salt heat exchange loop optimizes the reheated steam temperature requirement and the molten salt utilization rate through a small parallel connection mode and a large parallel connection mode; and the control valve group is used for switching a preheating mode, a starting mode, a load adjusting mode, a hot standby mode and a complete shutdown mode. Through intelligent control, the system achieves efficient heat exchange, freezing and blocking prevention, flexible switching and daily rapid starting and stopping, and is suitable for operation work of supercritical photo-thermal power generation.