35results about How to "Reliable stick out" patented technology

The invention provides a concavely-embedded hidden stamp system, which comprises a control unit and an executing unit, wherein the executing unit comprises a shell, a stamp arranged inside the shell, a motor and a transmission frame; the shell is provided with an acquisition window; a finger induction sensor and a fingerprint sensor are arranged in the acquisition window; a revolving shaft of the motor is connected with a screw rod; the transmission frame is provided with a threaded hole; the screw rod is in threaded connection in the threaded hole; the transmission frame is in sliding connection with the shell; the stamp is fixed on the transmission frame; when a finger extends into the acquisition window, a trigger signal is transmitted to the control unit through the finger induction sensor, the control unit is used for starting the fingerprint sensor for acquiring the fingerprint information of a user, and the motor rotates to drive the stamp to extend out of the shell if the fingerprint information of the user is matched; and when a finger is separated from the acquisition window, the finger induction sensor stops transmitting the trigger signal, the motor rotates reversely, the stamp is automatically moved into the shell, and the stamp is hidden in the shell in a concave embedding way for protecting, so that the safety of the concavely-embedded hidden stamp system is improved.

The invention discloses a hydraulic gate control valve capable of being automatically locked. The hydraulic gate control valve comprises a controller, a motor drive circuit and a hydraulic gate control device, wherein the hydraulic gate control device comprises a gate plate (1) and a gate plate lifting drive device (21); the gate lifting drive device (21) comprises a casing (20) which is fixed on a supporting base body; an upper fixing rib (18), a middle fixing rib (19) and a bottom fixing plane are arranged on the inner part of the casing (20); a gate plate lifting drive motor (16) is supported on the upper fixing rib (18) and in power connection with the upper end of a gate plate lifting drive lead screw (17) which penetrates through the upper fixing rib (18), the middle fixing rib (19) and a through hole in the bottom fixing plane, and is in screw-thread fit with the screw in the gate plate (1).

The invention discloses a water gate control system capable of automatically locking and restoring. The water gate control system includes a controller, a motor driving circuit an a water gate controller, wherein the water gate controller includes a gate plate (1) and a gate plate lifting driving device (21); the gate plate lifting driving device (21) includes a shell (20) which is fixed on a support base; an upper fixing rib (18), a middle fixing rib (19) and a bottom fixing surface are arranged in the shell (20); a gate plate lifting driving motor (16) is supported by the upper fixing rib (18), and linked with a gate plate lifting driving lead screw (17); the gate plate lifting driving lead screw (17) passes through the through holes in the upper fixing rib (18), the middle fixing rib (19) and the bottom fixing surface; the gate plate lifting driving lead screw (17) is in threaded cooperation with a screw hole in the gate plate (1).

The invention provides a lifting door plank device capable of being self-locked by use of a single screw. The lifting door plank device comprises a door plank (1) and a door plank lifting driving device (21); the door plank lifting driving device (21) comprises a housing (20) which is fixed on a supporting base; a door plank lifting driving motor (16) is fixed in the housing (20); the door plank lifting driving motor (16) is in power connection with the upper end of a door plank lifting driving lead screw (17); the door plank lifting driving lead screw (17) is in screw-thread fit with a threaded hole formed in the door plank (1); convex shoulders (2) are arranged on the two sides of the upper edge of the door plank (1); locking holes (3) open towards the middle of the door plank (1) and perpendicular to the door plank lifting driving lead screw (17) are formed in the inner side surface of the two convex shoulders (2).

[Problem] To propose a method for manufacturing steel pipe by implementing a bending process on sheet material, and a press mold used in said method. [Solution] Provided is a method for manufacturing steel pipe that forms a molding (S1), which has a U-shaped cross-section, from a sheet material having an end bent part, forms an open pipe (S2) by applying bending force to the molding, and then butt joins the end surfaces of a gap part of the open pipe (S2) so as to form steel pipe, wherein: at the stage of carrying out the bending process, a lightly worked part to which a much smaller curvature than the other areas is imparted, or an unprocessed part (P), which is not bent, is provided on at least part of the sheet material; and at the stage of pressing down on the molding and forming the open pipe (S2), bending force is applied to sites separated at least W / 4 (where W is the width dimension of the sheet material) in the direction of width end parts from the middle of the lightly worked part or unprocessed part (P) without restricting the lightly worked part or the unprocessed part (B). Thus, it is possible to efficiently form steel pipe with a high degree of roundness with comparatively little bending force.

The invention provides a water conservancy gate device with a position sensor and capable of realizing automatic locking and return. The water conservancy gate device comprises a gate plate (1) and a gate plate lifting driving device (21); the gate plate lifting driving device (21) comprises a housing (20) which is fixed on a supporting foundation; an upper fixed rib (18), a middle fixed rib (19) and a bottom fixed surface are arranged inside the housing (20); a gate plate lifting driving motor (16) is supported on the upper fixed rib (18) and in power connection with the upper end of a gate plate lifting driving lead screw (17); the gate plate lifting driving lead screw (17) goes through the through holes of the upper fixed rib (18), the middle fixed rib (19) and the bottom fixed surface, and the gate plate lifting driving lead screw (17) is in screw thread fit with a screw hole formed in the gate plate (1).

A water conservancy gate device capable of being locked automatically comprises a gate plate (1) and a gate plate lifting drive device (21). The gate plate lifting drive device (21) comprises a shell (20), the shell (20) is fixed to a supporting base body, an upper fixed rib (18), a middle fixed rib (19) and a bottom fixed face are arranged in the shell (20), a gate plate lifting drive motor (16) is supported on the upper fixed rib (18), and is in power connection with the upper end of a gate plate lifting drive lead screw (17), and the gate plate lifting drive lead screw (17) penetrates through a through hole in the upper fixed rib (18), a through hole in the middle fixed rib (19) and a through hole in the bottom fixed face, and is in threaded fit with a screw hole in the gate plate (1).

The invention provides a synchronous telescopic mechanism of a truck-mounted crane. The synchronous telescopic mechanism comprises a basic arm, a first telescopic arm, a second telescopic arm, a thirdtelescopic arm, a multi-stage telescopic cylinder and a rope row mechanism, and the first telescopic arm, the second telescopic arm, the third telescopic arm, the multi-stage telescopic cylinder andthe rope row mechanism are sequentially connected into the basic arm in a sleeved manner; the rope row mechanism includes a first arm stretching rope assembly, a second arm stretching rope assembly, afirst arm shrinking rope assembly and a second arm shrinking rope assembly; the multi-stage telescopic cylinder includes a piston rod, a first-stage cylinder barrel, a two-stage cylinder barrel and abracket arranged at the end, far away from the first-stage cylinder barrel, of the two-stage cylinder barrel; and the first arm stretching rope assembly comprises a first arm stretching wheel and a first arm stretching rope, the second arm stretching rope assembly comprises a second arm stretching wheel and a second arm stretching rope, the first arm shrinking rope assembly comprises a first armshrinking wheel and a first arm shrinking rope, and the second arm shrinking rope assembly comprises a second arm shrinking wheel and a second arm shrinking rope. The synchronous telescopic mechanismhas the characteristics of being simple in structure and convenient to install.

The invention provides a mechanically followable oil cylinder. The mechanically followable oil cylinder comprises a support base, a cylinder body, a piston rod, a pressing plate, a self-locking nut, ahydraulic motor and a gear, wherein the cylinder body is provided with a cylinder bottom, a side wall portion and an extending portion; the extending portion extends from the cylinder bottom; a firstoil inlet is formed in the side wall portion; a first oil passage is arranged on the extending portion; the piston rod slides relative to the extending portion; a first threaded portion is arranged on the outer wall surface of the piston rod; the top of the piston rod, the extending portion and the side wall portion are encircled to form a first stress cavity; the pressing plate, the extending portion and the piston rod are encircled to form a second stress cavity; the second stress cavity communicates with a first oil inlet, the first stress cavity and the first oil passage; the self-lockingnut sleeves the first threaded portion; a second threaded portion is arranged on the outer wall surface of the self-locking nut and matched with the gear; and when the piston rod moves downwards relative to the extending portion, the top surface of the self-locking nut is propped against the support base. The mechanically followable oil cylinder can reduce potential safety hazards, and is small in size and light in weight.

The invention provides a charging pile structure with a rain shielding function. A humidity sensor (7) of the charging pile structure with the rain shielding function is connected with a control unit(8), one end of a movable rod I (4) is movably connected with a side wall at one side of a receiving chamber (2), the side wall of at the side of the receiving chamber (2) is movably connected with the movable rod I (4) through a telescopic cylinder (10), the other end of the movable rod I (4) is connected with one end of a movable rod II (5), the other end of the movable rod II (5) is connected with an umbrella (6), a telescopic cylinder II (11) is arrange between the movable rod I (4) and the movable rod II (5), and a telescopic rod of a telescopic cylinder III (20) installed on AN umbrellarod (19) of the umbrella (6) is fixedly connected with A movable ring (18). The charging pile structure with the rain shielding function can reliably shield the charging pile from rain when it rains,and can no longer shield the charging pile when it does not rain, so as to ensure the safety performance of electric components of the charging pile.

The invention relates to a water conservation gate device which is cooled by a fan and is capable of being automatically locked. The water conservation gate device comprises a gate plate (1) and a gate plate lifting driving device (21), wherein the gate plate lifting driving device (21) comprises a shell (20) which is fixed on a support substrate, an upper fixed rib (18), a middle fixed rib (19) and a bottom fixing surface are arranged in the shell (20), a gate plate lifting driving motor (16) is supported on the upper fixed rib (18) and is in power connection to the upper end of a gate plate lifting driving lead screw (17), and the gate plate lifting driving lead screw (17) passes through through holes in the upper fixed rib (18), the middle fixed rib (19) and the bottom fixing surface and is in thread fit with a bolt hole in the gate plate (1).

The invention provides a lifting door plank device capable of being self-locked by use of a single screw. The lifting door plank device comprises a door plank (1) and a door plank lifting driving device (21); the door plank lifting driving device (21) comprises a housing (20) which is fixed on a supporting base; a door plank lifting driving motor (16) is fixed in the housing (20); the door plank lifting driving motor (16) is in power connection with the upper end of a door plank lifting driving lead screw (17); the door plank lifting driving lead screw (17) is in screw-thread fit with a threaded hole formed in the door plank (1); convex shoulders (2) are arranged on the two sides of the upper edge of the door plank (1); locking holes (3) open towards the middle of the door plank (1) and perpendicular to the door plank lifting driving lead screw (17) are formed in the inner side surface of the two convex shoulders (2).

A water conservancy gate unit with functions of water cooling and automatic locking comprises a gate plate (1) and a gate plate lifting driver (21); the gate plate lifting driver (21) comprises a housing (20); the housing (20) is fixed to a bearing base; the housing (20) is internally provided with an upper fixing rib (18), a middle fixing rib (19) and a bottom fixing face; a gate plate lifting drive motor (16) is supported on the upper fixing rib (18) and in power connection with the upper end of a gate plate lifting drive screw (17); the gate plate lifting drive screw (17) penetrates through holes in the upper fixing rib (18), the middle fixing rib (19) and the bottom fixing face; the gate plate lifting drive screw (17) is in threaded fit with a screw hole in the gate plate (1).