11results about How to "Uniform extrusion force" patented technology

This invention relates to the field of hydraulic support installation technology, and more particularly to an installation device and method for installing the side guard plate of the top beam of a hydraulic support. The invention includes a horizontally arranged placement platform and a telescopic frame. The telescopic frame includes multiple sets of telescopic components, which are arranged parallel to each other and spaced apart along the length of the placement platform. Each set of telescopic components includes a fixed cylinder, a push-pull rod, a first hydraulic cylinder, and two vertically arranged clamping columns, all arranged along the width of the placement platform. The fixed cylinder is fixedly installed on the bottom wall of the placement platform. The push-pull rod is inserted into the fixed cylinder, and the opposite ends of the push-pull rod and the fixed cylinder are respectively fixedly connected to the two clamping columns. The first hydraulic cylinder is fixedly installed inside the fixed cylinder. By setting multiple sets of telescopic components, multiple first hydraulic cylinders can drive multiple clamping columns to move synchronously inward, thereby applying a stable and uniform compressive force to the side guard plate and overcoming the elastic force of the compression spring on the guide rod of the side guard plate.

A degreasing device for Trichosanthes kirilowii seeds includes a housing and a baking device, the baking device being disposed inside the housing. The device further includes: an upper conical disc connected to the housing, the upper conical disc being vertically arranged with its tip pointing upwards, a feed inlet at the tip of the upper conical disc, a first elastic pad fixedly disposed on the inner conical surface of the upper conical disc; a lower conical disc disposed below the upper conical disc, the lower conical disc being coaxial and in the same direction as the upper conical disc, a second elastic pad fixedly disposed on the outer conical surface of the lower conical disc, the upper end face of the second elastic pad being conical, the cone half-angle of the lower end face of the first elastic pad being smaller than the cone half-angle of the second elastic pad, and a gap existing between the lower end face of the first elastic pad and the upper end face of the second elastic pad; and a vibration mechanism, the actuating end of which is fixedly connected to the lower end of the lower conical disc. This device provides good degreasing effect.

The utility model relates to the technical field of PCB (printed circuit board) mounting structures and plant lamps, in particular to a lampshade for mounting a PCB and a lamp panel type plant lamp free of screw mounting. A lampshade for mounting a PCB (printed circuit board) comprises a body, hooking parts are arranged on two sides of the body respectively, and pressing legs used for abutting against the PCB are further arranged on two sides of the body respectively. According to the lampshade structure for installing the PCB, the PCB lamp panel can be rapidly and firmly buckled and installed on the heat dissipation piece without any screws, smooth attachment and efficient heat dissipation of the lamp panel and the heat dissipation piece are guaranteed, the lens can be integrated in the lampshade body so that light path refraction or light condensation can be achieved, meanwhile, the structure is simplified, cost is reduced, and later maintenance is facilitated.

The application discloses a brazing filler metal pre-setting tool and method for annular conical metal honeycomb, and the upper roller and the lower roller are matched to clamp the annular conical metal honeycomb to be machined and the brazing filler metal, the extrusion is realized through the rotation of the lower roller, and the upper roller adjusting mechanism is arranged, the upper roller adjusting mechanism can adjust the inclination angle of the upper roller, the inclination angle of the upper roller is adjusted according to the angle of the outer conical angle of the annular conical metal honeycomb, the stability of machining is improved, the extrusion force received by the brazing filler metal during machining is uniform through the clamping of the upper roller and the lower roller, the brazing filler metal is prevented from falling off when the honeycomb and the base are assembled, reliable extrusion of the brazing filler metal is realized, and the brazing filler metal exists in each core cell of the bevel honeycomb, and the pre-setting tool disclosed by the application replaces manual operation and has higher machining efficiency.

The application discloses a notebook computer screen hinge with adjustable torque and relates to the technical field of hinges.The hinge comprises a first page sheet, a shaft sleeve arranged on one side of the first page sheet, an ear seat arranged on one side of a second page sheet and a pin shaft penetrating the shaft sleeve and the ear seat, the shaft sleeve further comprises a first damping sheet sleeved on the outer wall of the pin shaft, a second damping sheet is sleeved on the outer wall of the pin shaft and is attached to the first damping sheet, a torque adjusting assembly is arranged in the shaft sleeve and is used for driving soft nails to push the first damping sheet based on oil extrusion so as to increase the friction between the first damping sheet and the second damping sheet, and a reset assembly is arranged in the shaft sleeve and is used for driving oil backflow based on spring reset so as to reduce the friction between the first damping sheet and the second damping sheet. Through the application, the problem that the damping sheets continuously rub against each other in the long-term repeated opening and closing process of the existing notebook hinge, the surface of the damping sheets may be gradually worn and become smooth along with the increase of the use time, and the friction coefficient is reduced is solved.

The present invention provides an electroplating wastewater treatment station, which comprises: a precipitation assembly, which comprises a precipitation box, a main precipitation cavity and a liquid outlet cavity are arranged in the precipitation box, and an inclined filtration module is mounted in the liquid outlet cavity; the neutralizing assembly comprises a neutralizing box, a stirring part is mounted in the neutralizing box, and an opening and closing part is mounted at the bottom of one side of the neutralizing box; the filtering mechanism comprises a filtering box, a filtering cloth shaping assembly and a defoaming assembly; an extrusion plate is horizontally and slidably mounted in the filter box, a filter cavity is formed in the inner side of the extrusion plate, a driving part is connected to the outer side of the extrusion plate, and filter cloth arranged in a V shape is mounted in the filter cavity. Through partition design, integration of filtration, clarification and impurity sedimentation is achieved, the filter cloth is arranged in a V shape, an operation area for rapidly replacing the filter cloth is adopted, meanwhile, the filter cloth is backwashed through the filter cloth shaping assembly, fine impurities in filter cloth holes are removed, online maintenance of the filter cloth is achieved, and the filter cloth does not need to be dismounted after shutdown.

This utility model discloses a height adjuster for the threshing bin of a corn thresher, belonging to the technical field of corn threshers, and is mainly used to adjust the height of the threshing bin in a corn thresher. The technical problem to be solved by this utility model is to provide a height adjuster for the threshing bin of a corn thresher, including a frame, a threshing bin, a compression spring, a pressure plate, a limiting member, and a rotating rod. From bottom to top, the compression spring, pressure plate, transmission guide, and limiting member are arranged sequentially above the threshing bin. The rotating rod passes through the limiting member and is connected to it via transmission. The lower end of the rotating rod is connected to a transmission guide mechanism. The transmission guide mechanism includes guide parts with a high end and a low end, with a smooth transition guide surface between the high end and the low end. The guide surface abuts against and cooperates with the lower surface of the limiting member. At least two guide parts are arranged circumferentially around the rotating rod, with the high end of one guide part adjacent to the low end of another adjacent guide part. This threshing bin height adjuster stably adjusts the size of the threshing bin and reduces the impact of vibration on the height adjuster.

The utility model relates to the field of bridge pier reinforcing, especially to a detachable hoop device for bridge pier reinforcing, which comprises four groups of workpieces, each group of workpieces comprising a left arc plate, a right arc plate and a middle arc plate, the four groups of workpieces being connected by locking screws to form a hoop, which is detachably mounted on a bridge pier body; the middle arc plate is assembled on one side of the left arc plate and the right arc plate close to the bridge pier body through an adjusting assembly, a fixing strip is mounted on the adjusting assembly, the fixing strip abuts against the surfaces of the left arc plate and the right arc plate to enhance the connection stability, the left arc plate and the right arc plate are connected through the tensioning assemblies arranged on their surfaces, and the left arc plate and the right arc plate of adjacent workpieces are connected by locking screws, the utility model has a simple structure, can be quickly installed and non-destructively disassembled through the locking screws and the adjusting assembly, shortens the installation time, is suitable for bridge piers of various shapes, can be detachable, has strong adaptability and bears force uniformly, and can improve construction efficiency and reduce maintenance cost.

The utility model relates to the field of shoe production, and discloses a sole pressing machine for shoemaking, which comprises a case, a limiting shell and a support, the limiting shell is fixedly arranged above the case, a plurality of first hydraulic telescopic rods are fixedly arranged on the left side wall and the right side wall in the limiting shell, and the end parts of the first hydraulic telescopic rods are fixedly connected with fixed pressing heads; two side pressing rubber plates are arranged in the middle of the limiting shell, two rubber fixing devices are fixed to each of the two sides of the limiting shell, rubber extension strips are fixed to the two ends of the two side pressing rubber plates, and the multiple rubber extension strips are correspondingly fixed to the interiors of the rubber fixing devices correspondingly; a toe cap rubber pressing block and a heel rubber pressing block are arranged at the front end and the rear end of the limiting shell respectively. According to the utility model, the pressing mechanism is additionally arranged on the easy-to-deglue part, so that the pressing effect is enhanced, the possibility of deglue of the easy-to-deglue part is reduced, and the service life of the shoe is prolonged.

The application provides a kind of automatic adjusting extrusion force device by centrifugal force, which comprises a welded cylinder and a rotating support frame, and the closed space surrounded by the rotating support frame and the welded cylinder is a centrifugal cavity, and the centrifugal cavity is provided with an automatic adjusting layer composed of multiple adjusting balls, a buffer layer and an extrusion force uniformization layer composed of multiple extrusion force uniformization balls.The application drives the welded cylinder to rotate by rotating support device, and generates extrusion force on the inner wall of the welded cylinder by centrifugal motion, and the combined action of adjusting balls, buffer layer and extrusion force uniformization balls can automatically adjust the extrusion force, so that the extrusion force on the inner wall of the welded cylinder is uniform in circumferential and axial directions, and the extrusion force can simulate the stress in the shell during the actual launch of the warhead. The welded joint strength is tested by using the application, and the welded joint strength meets the requirements before use, which can ensure the safety of the shell during the launch of the warhead.

The application discloses a kind of continuous conveying type multi-station bending forming equipment and method of metal wire, belong to metal wire bending technical field, including workbench, multiple fixed frame and multiple moving frame are installed on the upper end of workbench, first correction wheel group is installed on fixed frame, second correction wheel group is installed on moving frame, first correction wheel group includes multiple fixed wheels, first correction wheel group further includes multiple first moving wheels, first moving rod is installed in the position corresponding to first moving wheel of fixed frame, first moving rod is installed in the side close to moving frame with first rotating rod, first rotating rod outer wall is provided with first thread groove, second rotating rod is installed in the end close to fixed frame of moving frame, second rotating rod outer wall is provided with second thread groove, the pitch of first thread groove is two times of the pitch of second thread groove, the first correction wheel group, second correction wheel group can be linked when moving frame of the present application is set to move, and two groups of wheel group center is always aligned.