32results about How to "Meet the locking requirements" patented technology

The invention relates to a locking and sealing device for an undersea armored cable. The locking and sealing device comprises a support, a sealing chamber, a flange inner cone, a pressure cap for spirally sealing the tail part of the support and a locking pressure plate positioned in the sealing chamber, wherein the sealing chamber and the flange inner cone are fixed on the support. The locking and sealing device is characterized in that a locking block and a tapered colloid are further contained in the flange inner cone, wherein the locking block is positioned at the head of the flange inner cone, and a wire slot for accommodating an armored steel wire is arranged on the locking block; and the tapered colloid is positioned at the tail of the flange inner cone. The locking and sealing device is simple and compact in structure, can apply same locking force to each armored steel wire, and is further convenient for mounting. Compared with the existing connecting and fixing way of the armored cable, the locking and sealing device has the advantages that the cable can be effectively locked, the maximum bearing pulling force of the armored cable can be met, the armored cable can be prevented from exposing in seawater, rust corrosion is avoided, and the service life and reliability of the armored cable are obviously improved. The device can be applied in land bank stations, underwater bases and other underwater facilities.

The invention discloses an expansion water tank cover capable of preventing people from being scalded under high temperature of an engine. The expansion water tank cover comprises a shell, an electromagnet, a push rod, a tooth ring and a spring, wherein an inner groove is formed in the shell; a through hole is formed in the upper part of the shell and communicates with the inner groove; a stop spring is arranged at the lower part of the shell; the electromagnet is arranged at the upper part of the inner groove; a magnet is arranged at the upper part of the push rod and matched with the electromagnet to be attracted by and separated from the electromagnet; a toothed disc is arranged at the lower part of the push rod; the push rod can slide up and down in the inner groove relative to the shell, and the sliding position is determined through the stop spring; the tooth ring is fixed at the upper part of the interior of the water tank; when the push rod slides upwards, the tooth ring is meshed with the toothed disc to fix the toothed disc; and the spring is arranged between the electromagnet and the push rod. The invention further discloses an expansion water tank capable of preventingpeople from being scalded under high temperature of the engine and a control method of the expansion water tank.

The invention discloses a bodybuilding horizontal bar. The bodybuilding horizontal bar comprises a pipe sleeve and sleeve rods, and the pipe sleeve sleeves the sleeve rods. The sleeve rods are two screw rods, the inner ends of the screw rods are connected with end umbrella-shaped gears, a middle umbrella-shaped gear is arranged in the pipe sleeve, the middle umbrella-shaped gear is located betweenthe two end umbrella-shaped gears and is engaged with the two end umbrella-shaped gears, and a penetrating hole is formed in the pipe sleeve. A boss penetrating into the penetrating hole is arrangedon the top face of the middle umbrella-shaped gear, a spanner inserting slot is formed in the top face of the boss, a shaft sleeve sleeves the positions, on the outer sides of the end umbrella-shapedgears, of the screw rods, and nuts are arranged on the outer side of the shaft sleeve. The outer face of the shaft sleeve cushions and abuts against the inner face of the pipe sleeve, a sleeve sleevesthe outer sections of the screw rods, the outer end of the sleeve stretches out of the pipe sleeve and is connected with a connecting seat, the pipe sleeve sleeves the inner end of the sleeve, an inner end pipe opening sleeves the nuts and is integrally connected with the nut, a concave axial limiting groove is formed in the outside of the sleeve, an end sleeve sleeves and is fixed to the outer end of the pipe sleeve, and the inner face of the end sleeve protrudes to form a limiting protruding part stretching into the limiting groove. The bodybuilding horizontal bar is simple in structure, good in locking effect, safe and practical, and locking operation is convenient and saves labor.

The invention relates to a locking device for random position locking and a method for determining the minimum stress thereof, belonging to the technical field of locking devices. A locking mechanism with simple structure and reasonable design, which realizes locking in random positions by means of eccentric wheels to drive resilient strips and unlocking timely and realizes cycle working with reliable locking, and a method for determining the minimum stress thereof are provided. The technical scheme comprises a fixed hollow locking body and a piston which is slidingly installed inside the hollow locking body, and a moving body which is installed on a piston rod in a sleeved mode; the piston is provided with resilient strips and eccentric wheels for driving the resilient strips; each resilient strip is provided with a wedge block which is installed between the resilient strip and the inner wall of the hollow locking body; the resilient strips are jacked up on the wedge blocks by the rotating eccentric wheels; The locking device is widely used in locking mechanism involved in complex motion.

The invention discloses a hydraulic locking device used for an underwater butt-joint shaft part and a locking method for the hydraulic locking device. The device comprises a bracket mechanism, a hydraulic oil device, hydraulic propulsion mechanisms, an angle detecting device, a pressure detecting device and an upper computer, wherein the bracket mechanism comprises an upper shaft sleeve, a connecting lug, a connecting frame and a connecting disc; the outer wall of the shaft part is connected with upper shaft sleeve rotary support through a bearing; the connecting lug is connected onto the outer wall of the upper shaft sleeve; the connecting lug is connected with one end of the connecting frame; the other end of the connecting frame is supported in water after being connected with the connecting disc; the shaft part is arranged on the center of the connecting disc; the hydraulic propulsion mechanisms are uniformly arranged in the peripheral direction, around the shaft part, of the disc periphery of the connecting disc; and the hydraulic propulsion mechanisms can be used for locking or loosening the shaft part. The device can ensure that each hydraulic propulsion mechanism applies enough locking force to the shaft part, so that guarantee is provided for locking underwater large butt-joint shaft parts of different diameters.

The steel wire rope locking device comprises a connecting plate, a wedge-shaped groove is formed in the side face of the connecting plate, a wedge is inserted into the wedge-shaped groove in a matched mode, the two ends of the wedge-shaped groove are open, first grooves are formed in the side walls of the two sides of the wedge-shaped groove respectively, and second grooves are formed in the side faces of the two sides of the wedge respectively. And when the wedge is inserted into the wedge-shaped groove, the first groove and the second groove on the same side are oppositely arranged. The steel wire rope locking device provided by the invention is convenient to adapt to quick operation of locking a temporary stay wire of a line, is convenient to operate, high in efficiency and high in universality, and can quickly assist field maintenance personnel in quickly locking a steel wire rope.

The invention provides a door lock device which comprises a positioning block, a locking block and a drive rod, wherein the positioning block is mounted on a door body; the locking block and the driverod are respectively hinged to a door frame; a platform, an oblique surface and a slope are arranged on the locking block; a drive sheet is mounted on the drive rod; during door locking, the drive rod is rotated, and the locking body rotates towards the door body through matching between the drive sheet and the oblique surface of the blocking block; then the locking block is driven under the drive of the drive rod and the slope of the locking block, and the rotation of the locking block can apply a locking force onto the door body till when the door body is tightly closed, the drive rod is propped against the platform of the locking block. The door lock device is simple in structure and convenient to operate, and the locking of the door body is extremely accurate and stable.

The invention discloses a combined type hydraulic flow control valve and relates to the technical field of flow control valves, the combined type hydraulic flow control valve comprises a valve body and a water inlet pipe, an adjusting valve plate is arranged on one side of a reference valve plate, a fine adjustment mechanism is arranged on one side of the valve body, and a coarse adjustment mechanism is arranged on the other side of the valve body; butt joint structures are arranged at the two ends of the water inlet pipe, the water inlet pipe is connected with the valve body through the butt joint structures, a flow monitoring mechanism is arranged on the inner wall of the water outlet pipe, and an impurity collecting assembly is arranged on the inner wall of the water inlet pipe. When liquid needs to be subjected to large-flow circulation, the rotating disc is rotated, the convex rod is observed to rotate by a certain angle, the flow of the liquid is the maximum when the convex rod rotates by 90 degrees, and the fine adjustment mechanism and the coarse adjustment mechanism are arranged on one valve at the same time, so that the valve body can meet high-precision adjustment of the flow through the fine adjustment mechanism; and rapid and large-flux adjustment control of the flow can be realized through the coarse adjustment mechanism, so that the applicability is improved.