The invention belongs to the technical field of test, and provides a space vector force generating device with an adjustable angle. A circular-arc rail is mounted on a pedestal; a rear base is mountedon an arc-shaped rail; an arc-shaped plate is mounted on the rear base; a slide block is mounted on the arc-shaped plate; the upper surface of the slide block is connected with a hydraulic cylinder;a rear-end pull rod is connected with the hydraulic cylinder; one end of a joint is connected with the rear-end pull rod, and the other end of the joint is connected with a front-end pull rod; one endof a standard force sensor is connected to the front-end pull rod, and the other end of the standard force sensor is connected with a ball head connecting head; a ball head of the ball head connecting rod is matched with a ball bowl; the ball bowl is in threaded connection on a flange; the flange is connected on a supporting frame through a bolt; and the supporting frame is fixedly arranged on the pedestal through a bolt. The hydraulic cylinder is manually regulated to slide along the arc-shaped plate, and the rear base slides along the circular-arc guide rail, so that space vector force loading of any angle within a yaw angle being (-)30-30 degrees and a pitch angle being 0-30 degrees is realized, and the size of the vector force is regulated by reading a display value of a force sensor.

Space vector force generating device with adjustable angle

The invention belongs to the field of an aero-engine test and particularly relates to a space vector force loading simulation device. The space vector force loading simulation device comprises a simulated engine (I), a steering mechanism (II), a loading mechanism (III) and a space vector force measuring mechanism (IV); the loading mechanism (III) provides a force; the simulated engine (I) bears the force; the steering mechanism (II) changes the direction of the force; and the space vector force measuring mechanism (IV) measures the size and the direction of the force born by the simulated engine (I). The space vector force loading simulation device can simulate the transmitting route of an engine thrust on a platform rack and also can simulate the size and the direction of the vector force, the loading range of the vector force can completely contain the range of the vector force of the engine, the distance and deformation of the engine, the movable rack and a universal joint under theaction of the vector force of the engine are simulated well, calibration of the vector thrust of a thrust measuring system of a vector test bed is realized, and the thrust measuring precision of thevector engine is improved.

Space vector force loading simulation device

The invention relates to the technical field of metallurgy tools, in particular to an adjustable jack support. An installation base comprising a base plate, a vertical plate and an arc-shaped face plate and a connector comprising a base and a screw are arranged, and strip-type holes are formed in the positions, on the two sides of the vertical plate, of the arc-shaped face plate; meanwhile, the screw fixedly arranged on the lower surface of the bottom of the base can penetrate the strip-type holes in a sliding manner, and therefore the connector can be arranged at different positions of the arc-shaped face plate; and the jack using angle can be flexibly adjusted according to site requirements, and the site production efficiency is further improved.

Adjustable jack support

A rotatable model airplane engine running-in platform comprises a base bracket. A slide rail platform is installed on the top of the base bracket and comprises a bottom plate, a linear guide rail and a sliding block in cooperation. A grating tachometer is installed on the front end of the left side of the slide rail platform. A transparent fuel tank is installed on the right side of the slide rail platform. An object plate is fixed to the sliding block. A left slide rail installing frame and a right slide rail installing frame are fixed to both sides of the object plate respectively. The lower part of an engine universal installing frame is connected with a tension meter through screws. The tension meter is fixed to the center of a base plate. The rotatable model airplane engine running-in platform can simulate the working state of an engine in different flight attitudes such as climbing, diving and level flight, and can test the stability of an installed whole power system on the ground. The engine universal installing frame can be used for installing different specifications of the engines, can install multiple engines and is flexible to use. The tension meter, the grating tachometer and fuel tank scale are easy to read. The size of the whole running-in platform is similar to that of a wooden bench. The platform is a good helper for model aircraft enthusiasts for running-in and debugging engines.

Rotatable model airplane engine running-in platform

A dual channel aerodynamic loading test apparatus for a double pendulum vector nozzle is provided and includes: a plurality of load loading devices for generating a loading load for a vector nozzle; aloading connection frame for fixing an upper end of the vector nozzle and connected to the load loading device; a nozzle fixing holder for fixing a lower end of the vector nozzle; and a base, whereinthe nozzle fixing holder is movably fixed to the base, and the plurality of load loading devices are connected to the base.

Dual-channel aerodynamic loading test device for double pendulum vector nozzle

The invention relates to an angle-free vector force loading device, and belongs to the technical field of testing and calibration The angle-free vector force loading device comprises a pressure head (1), a one-way force sensor (2), a force sensor and hydraulic cylinder connecting block (3), a hydraulic cylinder (4), a sliding block (5), an arc-shaped plate (6), a rotating plate (7) and a fixed plate (8), wherein the rotating plate is mounted on the fixed plate; the arc-shaped plate is mounted on the rotating plate; the sliding block is mounted on the arc-shaped plate; the sliding block is connected with a standard vector force loading source consisting of the hydraulic cylinder, the connecting block, the one-way force sensor and the pressure head; the magnitude of a loading force is adjusted by manually controlling the hydraulic cylinder and reading a display value of the sensor in a matched manner, and directions of loading forces in the peripheral direction and the axial direction are adjusted by adjusting the rotating plate, the arc-shaped plate and the sliding block Compared with the prior art, the angle-free vector force loading device is good in stability, the magnitude of the loading force is accurately controlled by the high-precision one-way force sensor, angle-free vector force loading in the peripheral direction at an angle of 360 degrees and in the axial direction in an angle range between 0 degree and 20 degrees can be realized, and the angle-free vector force loading device is flexible and convenient to operate

Angle-free vector force loading device

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Angle-free vector force loading device