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

The invention discloses a hydraulic anchor convenient to withdraw for oil field downhole operation, and relates to the technical field of oil field downhole tools. Comprising a body; the anchoring units are all arranged in the main body, and each anchoring unit comprises an elliptical slip which is connected into the main body in a sealed and sliding mode; the mounting seat is fixedly connected to the main body, a connecting frame is fixedly connected to the side, away from the central axis of the main body, of the mounting seat, and a first elastic piece is fixedly connected between the connecting frame and the oval slip; the plugging ring is arranged on the mounting seat, a through hole is formed in the mounting seat, and the plugging ring is used for plugging the through hole in the mounting seat. After anchoring is completed, the mounting seat and the plugging ring are used for separating the elliptical slip from the interior of the main body, so that the influence of pressure fluctuation in the main body on the elliptical slip is reduced, the extrusion force of the elliptical slip on the wall of a casing pipe is kept stable, and the probability that the casing pipe is damaged, anchoring fails and the like is further reduced.

The utility model relates to the technical field of grinding machines, in particular to an intelligent grinding machine for metal part production. Comprising a fixing frame, a transmission roller, a first electric push rod, a connecting frame, a rotating roller, a motor, a grinding belt and the like. The fixing frame is rotationally connected with a plurality of transmission rollers. An electric push rod I is fixedly connected to the fixing frame; a telescopic part of the electric push rod is fixedly connected with a connecting frame; the connecting frame is rotationally connected with a rotating roller; a motor is fixedly connected to the other side, away from the rotating roller, of the connecting frame; a motor output shaft is fixedly connected with the rotating roller; and all the driving rollers and the rotating rollers are jointly sleeved with a polishing belt. The rotating rod extrudes the grinding belt to enable the rotating roller on the grinding belt to be attached to the surface of the metal piece, and then the situation that the surface of the metal piece is not in sufficient contact with the grinding belt, and consequently the grinding effect is poor is avoided; and the inclination angle of the rotating rod can be changed, adaptability is achieved, and therefore it is guaranteed that the rotating rod slides to the mounting frame to apply stable extrusion force to the grinding belt.

The present invention relates to the technical field of kitchen waste, and discloses an efficient kitchen waste treatment system and a treatment method thereof, comprising a treatment box, a functional structure fixedly installed on the outer surface of the treatment box, a transfer box fixedly installed on the outer surface of the treatment box, a feed box fixedly installed on the outer surface of a side of the transfer box away from the treatment box, a feed pipe fixedly installed on the top of the feed box, and a processing structure fixedly installed on the outer surface of the feed box. The efficient kitchen waste treatment system and the treatment method thereof are configured to pour the garbage to be treated into the interior of the feed box through the feed pipe, and then start a No. 1 servo motor and a No. 2 servo motor to drive a No. 1 threaded rod and a No. 2 threaded rod to rotate, and limit the two threaded turntables through a limit groove and a limit block, so that the No. 1 threaded rod and the No. 2 threaded rod drive the two threaded turntables to move relative to each other, thereby squeezing the garbage inside the filter barrel.

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.

The utility model discloses a nondestructive testing device for the quality of a pressure pipeline interface, which particularly relates to the field of pressure pipelines and comprises a device main body, and a pipeline interface accommodating groove is fixedly connected to the middle part of the top of the device main body; an extrusion block is connected to one side of the interior of the pipeline connector containing groove in an embedded mode, and a connecting groove is fixedly connected to one side of the extrusion block. When the device is used, the design of the pipeline interface accommodating groove enables the device to conveniently accommodate a to-be-detected pipeline interface, the combination of the extrusion block and the connection groove is matched with the reset spring and the concave groove, stable extrusion force can be provided in the detection process, uniform pressure distribution on the pipeline interface is ensured, and the detection precision is improved. Through introduction of a fixed supporting block and a lifting shaft, a U-shaped rod and a mounting plate can stably ascend and descend, so that proper pressure is applied to a pipeline interface through a pressing force applicator, the stability of the device is enhanced through design of an external fixed plate, the whole detection process is more accurate and reliable, and the whole device is compact in structure and easy to operate.

The application discloses a trigeminal nerve balloon catheter detection device, and relates to the technical field of balloon catheter detection, which comprises a base and further comprises: a detection cylinder which is fixedly installed on the top of the base and is shaped as having small diameters at both ends and a large diameter in the middle; a detection unit which is arranged on the inner side of the detection cylinder and is used for applying extrusion force to the inflated balloon; and a driving unit which is arranged on the outer side of the detection cylinder and is used for driving the detection unit to move in a spiral path in the detection cylinder. The application can simulate the pressure received by the balloon during work and detect the uniformity of the balloon.

The invention relates to the technical field of hydraulic structure bottom plate construction, in particular to a hydraulic structure bottom plate expansion joint repairing method and structure. The repairing method comprises the steps that S1, an opening is formed in the top of an expansion joint body; s2, a low-speed curing sealing body is injected into the opening; s4, after the rapid curing sealing body is cured, a surface layer flexible water stop belt is formed after the rapid curing sealing body is completely cured; and S5, under the action of external force, the surface layer flexible water stop belt deforms towards the interior of the opening, so that the uncured slow curing sealing body in the opening is squeezed into the hole. According to the method, the surface layer flexible water stop belt is rapidly cured, the preliminary water stop effect is achieved, the curing waiting time in severe cold areas is relatively shortened, and the curing time can be shortened by adding a curing agent into the polyurea coating when necessary.

The present invention relates to the technical field of hemostatic equipment, and in particular to a portable hemostatic device for nursing, comprising: a bracket; a first Velcro installed on the bracket; an extrusion piece slidably arranged on the bracket; a rotating sleeve rotatably arranged on the extrusion piece, the rotating sleeve being provided with an external thread; a rotating shaft slidably arranged on the rotating sleeve and rotatably connected with the bracket in a limited position, a spring being installed between the rotating shaft and the rotating sleeve; two symmetrically distributed sliding blocks, both slidably arranged in the bracket, and both provided with internal threads, the internal threads of the two sliding blocks both cooperate with the external threads on the rotating sleeve; a trigger mechanism, arranged on the bracket. The present invention controls the positions of the two sliding blocks, facilitates the rapid resetting of the extrusion piece, simplifies the operation of the device, and avoids the user from frequently adjusting the position of the extrusion piece by rotating the rotating shaft, thereby improving the use efficiency of the device.

The utility model discloses a positioning extrusion mechanism of hammer processing equipment, which relates to the technical field of positioning extrusion mechanisms and comprises a positioning table, a positioning hole is formed in the upper end of the positioning table in a penetrating manner, a lifting mechanism is arranged at the lower end of the positioning table, and positioning mechanisms are arranged at two ends of the positioning table. And an extrusion structure is arranged at the upper end of the positioning table, the lifting mechanism comprises a concave frame plate and an ejection block, a bidirectional air cylinder is fixedly installed at the lower end of the concave frame plate, and first matching concave bases are fixedly installed at the telescopic ends of the two sides of the bidirectional air cylinder correspondingly. The position of the ejector block can be adjusted up and down, so that a hammer head located in the positioning hole can be moved, the height position of the hammer head can be adjusted, drilling can be conducted on the marked position of the hammer head, deviation cannot occur, meanwhile, drilling can be conducted on hammer heads of different sizes, and the drilling efficiency is improved. And the subsequent matched use of the hammer head and equipment is not influenced.

The invention discloses a building waste extrusion device. The invention relates to the technical field of constructional engineering. The device mainly comprises a box body 1, a first pressing mechanism 3 and a second pressing mechanism 4. A long-strip-shaped containing groove 101 is formed in the surface of the box body 1 and used for containing building waste. The first pressing mechanism 3 is arranged above the containing groove 101, and the design purpose of the first pressing mechanism 3 is to preliminarily extrude waste in a linear mode and press the waste into a solid flat shape. The second pressing mechanism 4 is located on one side of the containing groove 101 and has two functions of multi-angle cyclic extrusion and linear extrusion; by means of the technology, gaps in the waste can be more comprehensively filled, gaps and hollow points are remarkably reduced or eliminated, and therefore the compression density and strength of the waste are improved. The servo electric cylinder arranged in the V shape not only optimizes space utilization, but also ensures that the pressing block can keep stable extrusion force and uniform pressure distribution in the whole extrusion process through a stroke compensation mechanism, and the compression effect is further improved.

The utility model discloses a photovoltaic panel support buckle which is characterized by comprising a connecting piece which is in a bent shape and used for being connected with an external fixing piece, connecting lugs are arranged on the two sides of the end, away from the end connected with the external fixing piece, of the connecting piece respectively, a handle is rotationally connected between the two connecting lugs, and the connecting piece is connected with the external fixing piece. A hooking piece is rotationally connected in the handle, the connecting point of the hooking piece and the handle and the connecting point of the handle and the connecting lug are not located on the same straight line, by means of the method, secondary fixing is achieved through cooperation of the hooking piece and the pressing piece, the contact area of the pressing piece and the photovoltaic panel is large, the stress surface is large, and therefore stable extrusion force is provided, and the photovoltaic panel can be fixed conveniently. The photovoltaic panel is firmly fixed on the channel steel, the photovoltaic panel is prevented from being turned over by the wind when the wind is strong, through a handle mode, locking and unlocking operation is simple, maintenance is convenient, manual work can be reduced through a buckling mode, professional tools do not need to be carried, and meanwhile installation is convenient and fast, and cost is low.