11results about How to "Simple and reliable mechanical structure" patented technology

The invention discloses a solid rocket engine after-test automatic temperature measuring device and a using method. The solid rocket engine after-test automatic temperature measuring device comprises a mechanical arm and a temperature measuring device, and the temperature measuring device is connected with the mechanical arm through a flange plate; the temperature measuring device comprises a temperature measuring rod, a temperature measuring rod heat insulating layer and a high-temperature thermocouple, the temperature measuring rod is provided with a wiring groove and a plurality of through holes, the wiring groove is used for arranging a high-temperature thermocouple wiring harness, and the through holes are used for fixing the high-temperature thermocouple; and the temperature measuring rod heat insulating layer is coated on the outer side of the temperature measuring rod. The automatic temperature measuring device provided by the invention is simple in mechanical structure, high in reliability, low in cost and easy to maintain and replace parts, realizes automatic measurement of the temperature of the combustion chamber after a solid rocket engine test, can flexibly adjust the position of a measuring point according to different engines and test requirements, is safe and rapid in measurement, wide in temperature measuring range and high in measuring precision, and is suitable for popularization and application. And the measurement error is small, and rapid and accurate temperature measurement without damaging the inner surface of a measured object is realized.

This utility model provides an automatic return device based on a cam mechanism, comprising: a base plate fixed to a pump body at the end of a displacement control shaft; a cam mechanism fixed to the displacement control shaft and circumferentially connected thereto, the outer circumferential surface of the cam mechanism having a V-groove; a slider mechanism, one end of which is rotatably connected to the base plate, and the other end extending into the V-groove and rollingly connected thereto, wherein when the displacement control shaft is in the return-to-center state, the slider mechanism is located at the bottom center of the V-groove; and a reset mechanism connected between the slider mechanism and the pump body, applying a preset pulling force to the slider mechanism to maintain contact between the slider mechanism and the V-groove.

The present invention discloses a spherical surface unfolding device of a sphere, the main points of which are: comprising a friction disc, a friction disc driving device, a sphere tray assembly and a bottom plate. The sphere tray assembly comprises a sphere displacement turntable, and the sphere displacement turntable is rotatably arranged above the friction disc. The sphere displacement turntable is provided with a sphere limiting hole running through the top and bottom thereof, and the aperture of the sphere limiting hole corresponds to the diameter of the sphere. The corresponding part of the middle part of the sphere is located in the sphere limiting hole, and the corresponding part of the lower part of the sphere is in contact with the friction disc. The displacement turntable is used to change the displacement of the sphere in the horizontal plane to change the working position, and the sphere can rotate freely in the sphere limiting hole. The friction disc driving device is arranged on the bottom plate, and the friction disc driving device drives the friction disc to move in the same horizontal plane. The friction disc enables the sphere to rotate freely in situ in the sphere limiting hole through friction force.

The utility model belongs to the technical field of robots, and particularly relates to an anti-wind device and a cleaning robot system.The anti-wind device comprises a stopping mechanism and a locking mechanism; wherein a locking position is arranged above the stopping mechanism; the lock catch mechanism is mounted on a moving object; the locking position is suitable for moving in a moving object, and the lock catch mechanism is suitable for overturning towards the stopping mechanism, so that the lock catch mechanism is buckled on the stopping mechanism to fix the moving object; the locking mechanism and the shutdown mechanism are electrically driven to be buckled or released, the windproof and anti-falling requirements of the cleaning robot are met, meanwhile, automatic operation is achieved, the cleaning efficiency is improved, the mechanical structure is simple and reliable, cost is low, installation and replacement are convenient and fast, the requirement for installation precision is low, buckling and releasing actions are simple, and operation is convenient. And the risk of jamming or failure due to complex structure is avoided.

The invention discloses a multi-performance prediction test device for an axial interlayer of a pulse engine. The device comprises a soft interlayer, a fake explosive assembly, an igniter box, a central rod, a front seal head, a barrel, a rear seal head, a rear three-way adapter, a direct part, a front three-way adapter and a sealing ring, and the cylinder body, the rear sealing head, the false explosive assembly and the soft interlayer are connected to form a closed cavity. The device is simple and reliable in mechanical structure, low in cost and easy to maintain and replace parts; meanwhile, the soft interlayer in the test process is consistent with the soft interlayer in a real engine, the test measurement precision is high, multiple performances of the pulse engine interlayer are integrally and accurately predicted, test verification is provided for design improvement of the soft interlayer, the development period of the high-performance pulse engine is effectively shortened, and the test efficiency is improved. And a solid support is provided for the design and optimization of the soft interlayer of the pulse engine.

This invention provides a novel first-in, first-out (FIFO) medicine dispensing cabinet, comprising a cabinet body, a dispensing channel, a storage bin, a trolley, and a platform scale. The cabinet body is composed of several stacked medicine boxes. The dispensing channel is located in the middle of the cabinet body, and each medicine box is connected to the dispensing channel. A trolley is installed at the bottom of the dispensing channel, and a platform scale is mounted on the trolley. The storage bin is placed on the platform scale to receive the medicines falling from the dispensing channel and to weigh them in real time. This invention solves the problem of FIFO management of medicinal materials through ingenious structural design, and simultaneously realizes the integration of storage, automatic dispensing, and weighing, with significant advantages such as high reliability, space saving, and convenient operation.

The utility model relates to a body-in-white top cover laser welding pressing mechanism which comprises a frame and key units, each key unit comprises a support, a connecting block, a pressing arm and a pressing block, the lower end of each support is hinged to one end of the lower portion of the corresponding connecting block, and the other end of the lower portion of each connecting block is fixedly connected with one end of the corresponding pressing arm; a thrust rod, an indicating screw rod and an adjusting screw rod are sequentially arranged between the support and the connecting block from top to bottom, and one end of the thrust rod penetrates through the connecting block and is connected with one end of a spring; the other end of the spring abuts against the support, and the other end of the thrust rod is provided with a locking nut. One end of the indicating screw penetrates through the connecting block and is in threaded connection with the support, and the other end is provided with an indicating block; one end of the adjusting screw rod penetrates through the connecting block and is in threaded connection with the support; the lower portion of the other end of the pressing arm is hinged to the pressing block, and the pressing arm and the pressing block are limited and fixed through a bolt. A simple and reliable mechanical structure is adopted, the workpiece can be pressed, an air cylinder is not needed, the manufacturing cost is low, and the weight is light.

The utility model discloses a cantilever stacking conveyor which comprises a fixed frame, a lifting frame, a rack, two guide rail assemblies, a motor driving assembly, a roller driving assembly, a plurality of felt rollers and an aluminum profile limiting assembly, the lifting frame is movably arranged on the fixed frame through the two guide rail assemblies, the rack is arranged on the fixed frame, and the motor driving assembly is arranged on the rack. The motor driving assembly, the roller driving assembly, the felt roller and the aluminum profile limiting assembly are arranged on the lifting frame, the motor driving assembly and the rack are matched to drive the lifting frame to move up and down along the guide rail assembly, and the roller driving assembly is used for driving the felt roller to rotate. Therefore, the device has the advantages that the whole mechanical structure is simple and reliable, operation is convenient and fast, connection conveying of different positions can be achieved through simple parameter adjustment, the whole working efficiency is high, the automation degree is high, the labor intensity of related workers is reduced, and the reject ratio is reduced.

This application provides a method and apparatus for waste heat recovery from high-temperature solid materials. The apparatus includes a support frame with a rotary heat exchange box mounted on it. One end of the rotary heat exchange box is connected to a power unit, which is fixed to one side of the support frame. A rotating shaft is rotatably mounted on the other side of the support frame and connected to the other end of the rotary heat exchange box. A material fixing device is fixed inside the rotary heat exchange box. In this application, the power unit drives the rotary heat exchange box to rotate at a low speed, which in turn drives the material fixing device to rotate at a low speed. This causes continuous and omnidirectional relative motion and contact renewal between the heat exchange medium and the solid material, thereby achieving dynamic, uniform, and efficient direct contact heat transfer. This fundamentally solves the problems of low heat exchange efficiency and uneven cooling caused by poor contact in static filling.

The application discloses a double-cylinder hydraulic shaping equipment, and belongs to the technical field of hydraulic shaping, which comprises a base, a gas-liquid supercharging cylinder, a material supporting frame, a guide rail assembly, a driving assembly, a feeding assembly and a loosening assembly, the base is fixedly installed on the ground, a lower die plate is installed on the top of the base, the gas-liquid supercharging cylinder is arranged above the base, an output end of the gas-liquid supercharging cylinder is provided with a top plate, the bottom of the top plate is provided with an upper die plate, the material supporting frame is fixedly installed on the ground, the guide rail assembly is installed on the top of the base, the driving assembly is arranged between the base and the top plate, the feeding assembly is installed on the driving assembly, and the loosening assembly is installed on the side wall of the lower die plate. The application solves the problems of low feeding efficiency, high labor intensity and hidden safety hazards caused by the fact that the feeding of the traditional hydraulic shaping equipment usually relies on manual operation. The driving assembly, the feeding assembly, the guide rail assembly and the loosening assembly are arranged, the automatic conveying of materials is realized, and the production efficiency is improved.