35results about How to "Easy to retrofit and upgrade" patented technology

The invention discloses a clamping and positioning device used for disassembling and assembling an airplane pneumatic starter rotor and a rotor disassembling and assembling method. The clamping and positioning device comprises a fixed supporting ring and at least two sets of pawl installing and fixing assemblies, wherein each pawl installing and fixing assembly is composed of a pawl installing and supporting screw, a gear fixing pawl and a rotating installation handle, the pawl installing and supporting screws are inserted into the fixed supporting ring and connected with the fixed supporting ring in a spiral threaded mode, each gear fixing pawl is arranged at the inner rod end, located in the fixed supporting ring, of the corresponding pawl installing and supporting screw, a gap is reserved between each gear fixing pawl and the inner rod end of the corresponding pawl installing and supporting screw after the gear fixing pawl is installed, a tooth socket which is matched with a gear of the rotor is arranged on the inner end face of each gear fixing pawl, when the rotor is installed or detached, and the tooth sockets of the gear fixing pawls are used for being meshed with the gear of the rotor so that the circumferential rotation of the gear of the rotor and the circumferential rotation of the rotor can be limited. Meanwhile, the invention discloses the rotor disassembling and assembling method of the clamping and positioning device.

The invention relates to an FPGA (Field Programmable Gate Array)-based transistor feature real-time measuring controller, comprising a microprocessor interface module, a measuring circuit interface module, a measuring process control module, a measuring parameter register set module, a measuring excitation generating module, a waveform cutting module and a measuring result caching module. The FPGA measuring controller is connected with a bus at a microprocessor end through the microprocessor interface module and is connected with a bus at an external measuring circuit end through the measuring circuit interface module; the measuring parameter register set module is used for storing the measuring parameter of the measuring controller and indicating the current measuring state; the measuring excitation generating module is used for generating digital excitation signals in accordance with the measuring process output by the measuring controller required by the measuring circuit; the waveform cutting module is used for measuring timing control; the measuring result caching module is used for preserving the measuring result of the measuring circuit; and the measuring process control module is used for coordinating operation of the modules and the measuring circuit to control ordered operation of the whole measuring process.

A hydraulic coupling type limited-slip differential has two gear functions, i.e. a common gear differential gear and a hydraulic coupler differential gear. The hydraulic coupling type limited-slip differential is in the common gear differential gear in a usual state, can develop the high efficiency of the common gear differential gear to carry out transmission under a better road condition and can shift gears under a poorer road condition so that the hydraulic coupler type limited-slip differential is in a work state of the transmission of a hydraulic coupler differential, thereby a transmission shaft can distribute more torques to a half shaft with a larger drag torque according to the torsion conditions of two half shafts; and in addition, the invention enhances the passing ability of an automobile by driving the automobile to go forwards.

The invention discloses a wireless intelligent dual-control lock and an operating method thereof. The dual-control lock comprises a lock body part and a lock cover part, wherein a lock bolt is arranged in the lock body part, a wedge-shaped block is arranged at the right end of the lock bolt, and a notch is formed below the middle part of the lock bolt; a rotatable shifting block is positioned at the right end of the notch of the lock bolt, and a gap for limiting the rotation of the shifting block is formed on a main body of the shifting block; a microswitch for transmitting the opening state of the dual-control lock to an external computer control unit wirelessly is arranged on the right side of the wedge-shaped block; a direct-acting electromagnet is arranged on the right side of the shifting block and is fixed by a pressing plate, and a movable electromagnet sliding rod and an induction coil are arranged in the direct-acting electromagnet; and a lock block is arranged above the electromagnet sliding rod, and the upper end of the lock block is connected with a lock block pressure spring. The lock cover part comprises a lock cover, an adapter assembly and a lock core; and the adapter assembly comprises a contact pin, a joint, a printed circuit board (PCB) and a film for isolating the joint from the PCB board.

The invention discloses a clearance measuring tool for a screw assembly of an adjustable air bleed valve of an aircraft, which comprises a base (3) and a torsion arm, wherein the left and the right ofthe base (3 ) protrude, the middle parts of the left and right protrusions are provided with coaxial threaded holes, and the coaxial threaded holes are internally provided with left and right lockingbolts (6) respectively; the middle of the base (3) is provided with a front-back transverse hole and a vertical hole which are mutually intersected, the front-back transverse hole is internally provided with a bearing which supports a hexagonal torsion shaft (9); the lower part of the torsion arm is provided with a front-back hexagonal hole so as to be matched with the hexagonal torsion shaft (9), the top is provided with four forks which are symmetrical front and back and left and right and face upwards; the hexagonal torsion shaft (9) penetrates through the front-back hexagonal hole which is inserted into the bottom of the torsion arm from the vertical hole in the base (3) in a mode of preserving a clearance. The tool can accomplish the clearance measurement for various types and sizesof screw assemblies conveniently, realizes effectively centering and clamping, ensures accurate and reliable clearance measurement for the screw assembly and is simple and easy to operate; and the device is solid and durable, can be freely assembled and disassembled, and is simple and convenient to upgraded, modified, repaired and maintained.

The invention discloses a power supply system of a heavy-duty car SCR system. The power supply system comprises a DCU, a urea pump, a urea nozzle, a storage battery, a battery main switch and other electric equipment and further comprises a relay and a controller controlling the relay. A timer is arranged inside the controller. The DCU, the urea pump and the urea nozzle are connected in parallel, and then the power supply pin ends of the DCU, the urea pump and the urea nozzle are connected to a positive electrode of the storage battery through the relay. The power supply pin end of the other electric equipment is connected to the positive electrode of the storage battery through the battery main switch. The relay and the battery main switch are connected in parallel. The DCU, the urea pump, the urea nozzle and the other electric equipment are connected in parallel, and then the ground pin ends of the DCU, the urea pump, the urea nozzle and the other electric equipment are jointly connected to a negative electrode of the storage battery. After the battery main switch is turned off, it can also be ensured that the DCU, the urea pump and the urea nozzle are delayed to be powered on for a certain period of time, and urea backflow is controlled to be completed. The power supply system is simple in structure, high in reliability and suitable for large-scale application and popularization in the field of heavy-duty cars, circuits of the finished car are changed slightly, and the heavy-duty car can be conveniently refitted and upgraded.

A hydraulic coupler type coupling limited slip differential comprises two shift functions: a common gear differential shift and a hydraulic coupler coupling differential shift. In the normal condition, the differential is at the common gear differential shift; in the better road conditions, the differential can bring high efficiency of the common gear differential to drive; in the poor road conditions, the shift can be changed, so that the differential is at the working state of the hydraulic coupler coupling differential drive, therefore, the driving shaft can automatically transmit more torques to a half-shaft with low rotation speed according to the rotation speed of two half-shafts at the transmission characteristic of the hydraulic coupler condition so as to drive the car and improve the trafficability characteristic.

The invention discloses a clearance measuring tool for a screw assembly of an aircraft adjustable deflation valve, comprising: a base (3) with left and right protrusions, coaxial threaded holes are opened in the middle of the left and right protrusions, and left and right locking bolts are arranged in the middle. (6); The middle of the base (3) is provided with front and rear horizontal holes and vertical holes, and the two intersect, and the front and rear horizontal holes are equipped with bearings to support a hexagonal torsion shaft (9); a torsion arm, the lower part is provided with front and rear hexagonal holes In cooperation with the hexagonal torsion shaft (9), the top is provided with four forks that are symmetrical in front and rear, left and right and upward; Front and rear hex holes on the bottom of the arm. This tooling can easily complete the clearance measurement of various types and sizes of screw assemblies, achieve effective centering and clamping, ensure accurate and reliable clearance measurement accuracy of screw assemblies, simple operation, and easy to use; the quality of the device itself is solid, durable, and can be freely Easy to disassemble, upgrade and refit, repair and maintain.

The invention relates to a safety single-punch controller for a punch. The safety single-punch controller comprises a buffer head and a shell, as well as a hook plate, a middle plate, a sliding plate, a pressing plate, a swing rod, a lever, a locking block and a locking wheel which are arranged in the shell, wherein the swing rod is arranged on the shell through a pivot; the buffer head is arranged at the outer end of the swing rod; the inner end of the swing rod is linked with the hook plate; a moving plate hole is arranged in the middle of the sliding plate and internally provided with a moving plate with height being less than that of the moving plate hole; the middle of the moving plate is also provided with a sliding block hole that is internally provided with a sliding block; the inner end of the sliding block passes through the middle plate and the hook plate in sequence; a spring is horizontally arranged inside the body of the sliding block; the inner end of the spring is horizontally propped up inside the body of the sliding block and the outer end thereof is horizontally propped on an outer cover of the sliding block; the outer cover of the sliding block is fixedly connected with the moving plate; and the surface of the sliding block, contacted with a slopping surface of the middle plate, is also an inclined surface. The safety single-punch controller has compact structure, matching reliability of all components, small volume and prevention of faulty operation resulting to injure in work.

The blood vessel recognition method and device is a method for quickly identifying and identifying people with biometric technology, and its operation steps are as follows: a. Blood vessel texture image acquisition: irradiate the collected blood vessel parts with near-infrared auxiliary light, and collect blood vessel texture images ; b. Preprocessing of image texture: use the standard deviation threshold tracking method to separate the background, determine the foreground and background of the image, and then perform binary denoising and refinement; c. The authentication problem is transformed into a point pattern matching problem; d. Establishing a database: when building a file, the point coordinates of the singular point position 转化为 Store the polar coordinates in the database as a file template; e. Feature matching: according to the principle of first locking the reference position and then comparing, when comparing blood vessel textures, use the template stored in the database above and the user PID number to form Original feature data template.

The invention discloses a flow-stopping type two-dimensional liquid chromatogram adopting two multi-way valves as switching devices and an application thereof. The two-dimensional liquid chromatogram comprises a first-dimensional separating part, a flow-stopping switching device and a second-dimensional separating and detecting part, wherein the flow-stopping switching device consists of two multi-way valves; the multi-way valve for stopping flow is connected with the first-dimensional separating part, and the multi-way valve for switching is connected with the second-dimensional separating and detecting part. The flow-stopping type two-dimensional liquid chromatogram disclosed by the invention has the advantages that an outflow component of the first-dimensional liquid chromatogram is connected to two adjacent input ends of the multi-way valve, and when the sampling state is ended, the valves are rotated simultaneously at the moment when the flowing speed of a first-dimensional liquid chromatographic pump is stopped, and the pressure of a first-dimensional liquid chromatographic column can be maintained, so that the problem of large pressure change when the flow is stopped is solved, and the capabilities of separation and analysis are greatly improved.

The present invention provides a multi-screen and multi-media interaction system based on C / S architecture. The system comprises a server and at least one client. The client comprises a user interaction interface and a message communication module, wherein the user interaction interface performs response to the user's operation, and the message communication module communicates with the server. The server is at least connected with a display screen, the server comprises the message communication module, a client management module, a screen management module, a multi-media management module anda remote operation control management module, wherein the message communication module is configured to communicate with the at least one client, the client management module manages the at least oneconnected client, the screen management module manages screen information, the multi-media management module manages the operation condition of the multi-media resources, and the remote operation control management module is configured to allow the at least one client to control the server. The system can perform collaboration when multiple people employ multiple machines to perform demonstration, and is high in flexibility.

The invention discloses a clamping and positioning device used for disassembling and assembling an airplane pneumatic starter rotor and a rotor disassembling and assembling method. The clamping and positioning device comprises a fixed supporting ring and at least two sets of pawl installing and fixing assemblies, wherein each pawl installing and fixing assembly is composed of a pawl installing and supporting screw, a gear fixing pawl and a rotating installation handle, the pawl installing and supporting screws are inserted into the fixed supporting ring and connected with the fixed supporting ring in a spiral threaded mode, each gear fixing pawl is arranged at the inner rod end, located in the fixed supporting ring, of the corresponding pawl installing and supporting screw, a gap is reserved between each gear fixing pawl and the inner rod end of the corresponding pawl installing and supporting screw after the gear fixing pawl is installed, a tooth socket which is matched with a gear of the rotor is arranged on the inner end face of each gear fixing pawl, when the rotor is installed or detached, and the tooth sockets of the gear fixing pawls are used for being meshed with the gear of the rotor so that the circumferential rotation of the gear of the rotor and the circumferential rotation of the rotor can be limited. Meanwhile, the invention discloses the rotor disassembling and assembling method of the clamping and positioning device.

The invention discloses a bomb support device for automatic loading of projectiles and a method for using the same. The bomb support device includes a bomb support arranged substantially parallel to the projectile launching cylinder and a power actuator for operating the bomb support to release the projectile. When in use, the bullet body is put into the bullet holder and is limited; the link mechanism of the power actuator drives the bullet holder to move downward, and the bullet retainer of the bullet holder is blocked by the releaser of the power actuator to move away from the bullet holder. When the bomb baffle moves to no longer in contact with the projectile, the projectile falls out of the bomb holder under the action of gravity and slides into the projectile launching tube to complete the loading of the projectile. The spring support device of the present invention does not adopt the full package limit commonly used in foreign automatic front loading technology, but adopts the point limit method in the upper limit, which saves the manufacturing cost, and the pure mechanical structure design has high safety and reliability, and is easier to load. Modified and upgraded to adapt to different types of ammunition.

The invention discloses a wireless intelligent dual-control lock and an operating method thereof. The dual-control lock comprises a lock body part and a lock cover part, wherein a lock bolt is arranged in the lock body part, a wedge-shaped block is arranged at the right end of the lock bolt, and a notch is formed below the middle part of the lock bolt; a rotatable shifting block is positioned at the right end of the notch of the lock bolt, and a gap for limiting the rotation of the shifting block is formed on a main body of the shifting block; a microswitch for transmitting the opening state of the dual-control lock to an external computer control unit wirelessly is arranged on the right side of the wedge-shaped block; a direct-acting electromagnet is arranged on the right side of the shifting block and is fixed by a pressing plate, and a movable electromagnet sliding rod and an induction coil are arranged in the direct-acting electromagnet; and a lock block is arranged above the electromagnet sliding rod, and the upper end of the lock block is connected with a lock block pressure spring. The lock cover part comprises a lock cover, an adapter assembly and a lock core; and the adapter assembly comprises a contact pin, a joint, a printed circuit board (PCB) and a film for isolating the joint from the PCB board.