614results about How to "Large locking force" patented technology

Filler clothes 3, which intersect with each other at a section corresponding to the middle point between the interspinal point and patellar midpoint of a human body, are formed on a front section of a bottom garment 1. The filler clothes 3which are formed in this manner stimulates the rectus femoris muscle 14 which is a part of the quadriceps of a wearer. When the quadriceps is stimulated while walking, the legs can be kicked backward significantly in a natural fashion, whereby the gluteus maximus muscles can be used efficiently.

The invention discloses a hanging tool for wafer electroplating. The hanging tool comprises an upper cover, a lower plate and a metal conductive ring, wherein an inner thread is arranged on the inner wall of the upper cover, a wafer groove is formed in the lower plate, an electroplating hole is formed in the middle of the wafer groove, and an outer thread engaged with the inner thread is arranged on the outer wall of the wafer groove; a platform is arranged between the inner wall of the wafer groove and the electroplating hole; the metal conductive ring is arranged on the platform. The upper cover of the hanging tool for the wafer electroplating is locked in a rotary mode, and the need of manually disassembling screws is eliminated, so that the hanging tool is convenient to operate, uniform in force, good in electrical conductivity and sealing performance and uniform in water coating, thereby greatly saving the manpower and reducing the wafer scrapping risk.

The invention relates to a process for preparing asphaltic concrete with conducting function, which is characterized in that the process includes the procedures of 1), preliminary treatment of aggregates, which means washing away the foreign matters of the steel slag with water. 2), raw materials preparation, which means that the percentage by weight of each component is that rough aggregates is 55%-80%, fine aggregates is 13%-30%, mineral filler is 7%-15%, the rough aggregates, fine aggregates and mineral filler are selected to reserve as aggregates, consumption of asphalt cement is 6%-8% of the weight of the aggregates, consumption of fabric stabilizer is 0.1%-0.5% of the gross weight of the aggregates and the asphalt cement, consumption of conducting material is 10-30% of the weight of the asphalt cement, and gradation design of SMA mixture is employed. 3), mixture blending, which means charging fractionally and blending multitime, the temperature is kept not lower 150 DEG C when molding. The preparing process has simple technique and low cost. The prepared asphaltic concrete has good conducting function and pavement using property.

A slide rod locking system, especially for locking the door of a switchgear cabinet, having a handle which is coupled to a control element by a control mechanism. The handle can move around a pivotal axis running perpendicular to the plane of the cabinet door. The control element can move in a parallel position relative to the plane of the cabinet door as a result of the movement of the handle. The slide rod locking system transmits powerful locking forces and at the same time can have a low-height design structure by arranging a lever on an articulated joint of the handle at a distance from the pivotal axis. The lever enables the force introduced into the handle to be transmitted to the control element and can modify its angle position with respect to the handle when moved.

The invention discloses a powerful and mechanical automatic-locking hydraulic cylinder, and belongs to the technical field of hydraulic cylinders. The two ends of a cylinder barrel are sealed by a cylinder cover and a cylinder bottom respectively. A guiding column of the cylinder cover is sleeved with a spring. The spring is sleeved with a brake block. The two ends of the spring abut against the cylinder cover and the brake block respectively. The outer circumferential face of the large diameter of the brake block is in sealing fit with the inner circumferential face of the cylinder cover. The end face of the end, with a large-diameter hole, of a locking block abuts against the end face of the step of an inner hole of the cylinder barrel, and the other end face of the locking block abuts against the end face, located at the portion of the cylinder barrel, of the cylinder cover. After a steel ball is put into a steel ball installation hole of a piston, the steel ball installation hole of the piston is matched with an inner hole of the cylinder barrel, and an annular groove of the piston corresponds to a rodless cavity oil port in the cylinder barrel. One end of a piston rod is fixed to a piston rod installation hole of the piston, and the other end of the piston rod penetrates through the cylinder bottom to be located outside the cylinder barrel. According to the powerful and mechanical automatic-locking hydraulic cylinder, the requirement for automatic locking after the piston rod is completely retracted can be met, and the locking state can be kept for a long time under the situation that pressure relief of a hydraulic system is completed or leakage happens until unlocking is actively achieved.

The invention relates to a lamp installing bracket and a lamp thereof. The lamp installing bracket comprises a supporting plate for connecting the lamp; a bracket is rotatably connected with the supporting plate; a cambered hole is arranged in the supporting plate; a regulating piece passes through the bracket and the cambered hole; a fastening piece is arranged at one end where the regulating piece passes through the cambered hole; the fastening piece is used for being matched with the regulating piece to lock the bracket and the supporting plate; and the regulating piece is arranged below the connecting point of the bracket and the supporting plate. The lamp installing bracket of the invention can reduce the strength for adjusting the angle of the lamp and can also increase the locking force between the bracket and the supporting plate, so that the lamp can be more stably fixed and has large adjustable angle range, simple structure and convenient use.

This invention is about a kind of camera tripod legs. In this invention there is an open and close regulator between the landing leg saddle and the main block that can fast adjust the open angle of the landing legs. The ratchets on the leg seat geared into the pawls, this can control the open angle of the landing legs. The taper screws and the taper nuts in the leg interacts together to control the locking and releasing of the legs. There is no measuring regulating figure plates on the top of centre shaft, but a pulled hooker on the bottom.

The invention relates to a repeated locking and releasing mechanism, in particular to an on-orbit repeated locking and releasing mechanism for space, and aims to solve the problem of repeated on-orbit locking and releasing of a large-scale actual load in a spacecraft. The on-orbit repeated locking and releasing mechanism comprises a trunnion locking mechanism, a lock hook compacting mechanism, a base locking mechanism, a crank and rocker mechanism and a driving gear mechanism, wherein the trunnion locking mechanism is arranged at the upper end of the base locking mechanism; and the driving gear mechanism is connected with the lock hook compacting mechanism and the crank and rocker mechanism. According to the on-orbit repeated locking and releasing mechanism disclosed by the invention, the trunnion locking mechanism, the lock hook compacting mechanism, the base locking mechanism, the crank and rocker mechanism and the driving gear mechanism are arranged in a crossed manner, so that the on-orbit repeated locking and releasing mechanism is simple and compact in structure; all the freedom degrees of a fixed object can be completely limited, and repeated locking can be realized; the maneuverability is good, so that the using requirement of on-orbit locking-releasing-relocking can be met. The on-orbit repeated locking and releasing mechanism disclosed by the invention is suitable for the technical field of aerospace and the technical field of electromechanical integration.

The invention relates to a clamp for processing a vertical positioning surface of a tail wing of an airplane. The clamp comprises a bracket, and a gesture adjusting positioning device which is positioned at one side of the bracket and used for providing positioning supporting to the medium tail part of the tail wing; external supporting devices for compressing the outer side of the head part of the tail wing are mounted on an upper cross beam and a lower cross beam of the bracket; an inner supporting device for compressing the inner side of the head part of the tail wing is mounted on a medium cross beam of the bracket; a main clamping mechanism for fixing the head part of the tail wing is also mounted on the bracket. With the adoption of the clamp, the vertical positioning surface can be automatically positioned and clamped; the requirement on positioning and assembling of large and poor-rigidity parts can be met; after gesture adjusting, the clamping effect is outstanding; the parts are free of deformation due to clamping; the adjusting efficiency is high; the adjusting is flexible and stable.

The invention discloses an adjustable spanner, and belongs to the technical field of hardware tools. The adjustable spanner mainly comprises a spanner body, a sleeve hole and grooves distributed uniformly are formed in the spanner body, a movable fluted disc and a pawl which are matched mutually are arranged in the spanner body, an arc groove A matched with the grooves is formed in the movable fluted disc, sliding blocks are arranged in the grooves, penetrate through the arc groove A through a pin shaft and are movably connected with the movable fluted disc, and the included angle a between the tangent line of any point on the circumference of the movable fluted disc and the tangent line, passing the point, of the outer circumference of the arc groove A is 45-60 degrees; an arc groove B is concentrically formed in the movable fluted disc; the pawl is hinged to the spanner body through a pin shaft, and an elastic device is arranged between the pawl and the spanner body. The adjustable spanner is simple in structure, convenient to use, capable of tightening fasteners different in specification and size, large in locking force and not prone to slipping, protects a workpiece from injury and is mainly used for screwing a bolt or nut.

The invention relates to an actuator cylinder position locking and unlocking mechanism, which comprises a cylinder body (4), a piston (5) and an ejector rod (6). The ejector rod (6) is mounted in the piston (5), a cavity is arranged at one end of the ejector rod (6), a spring (1) is mounted in the cavity, a hole is arranged at the other end of the ejector rod (6), the other end of the ejector rod is connected with a first connecting rod (7) with a cylindrical boss, the first connecting rod (7), a second connecting rod (8) and a third connecting rod (9) are hinged sequentially, and the other end of the third connecting rod (9) is fixed relatively. Radial holes (51) used for mounting an upper lock pin (2) and a lower lock pin (3) are arranged at one end of the piston (5) close to the cavity of the ejector rod (6) and are distributed circumferentially, and grooves are arranged in the radial holes (51). An annular groove (10) is arranged in the cylinder body (4) and the lower lock pin (3) can be clamped into the annular groove (10). The upper position and the lower position of a hydraulic/pneumatic actuator cylinder can be locked by the aid of the actuator cylinder position locking and unlocking mechanism which is high in locking force, low in unlocking force and high in reliability.

The invention discloses a combined machining hydraulic locking power tool table, and belongs to machine tool parts. A plurality of power tool bases are arranged on a tool disc at intervals in the circumferential direction, the tool disc is fixedly connected with a transposition tooth disc and is supported through a bearing, and a gear shaft is meshed with a gear on the outer peripheral face of the transposition tooth disc for transmitting power of a tool changing drive motor. A lock oil cylinder piston is connected with a locking tooth disc through a connection piece to drive a tooth groove in the rear end face of the locking tooth disc to be correspondingly meshed with a tooth groove in the front end face of the transposition tooth disc and a tooth groove in the front end face of a fixing tooth disc fixed to a tool table base so as to achieve locking. A power drive motor transmits the rotating power to the power tool base through a drive shaft and a driven shaft which are connected in a transmission mode, the driven shaft and the power tool base are matched through a clamping groove and a clamping tenon, a driven shaft angle sensing mechanism feeds back signals to control the rotating angle of the driven shaft, the driven shaft is arranged in a radial driven shaft hole in a flange base through a bearing in a supported mode, and the tool table base is provided with a front transmission cavity and a rear transmission cavity which are used for passing of a transmission mechanism. The combined machining hydraulic locking power tool table is simple in structure and solves the problem that a traditional power tool table is complex in structure.