Electric cylinder loading type force value test device
A test device, electric cylinder technology, applied in the direction of measuring device, force/torque/power measuring instrument calibration/test, instrument, etc., can solve problems such as troublesome operation, low measurement accuracy, unstable standard sensor, etc., to ensure stability performance, improved accuracy, and low energy consumption
Active Publication Date: 2018-04-10
KUNSHAN TRANSPORTATION ENG TEST CENT CO LTD
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Problems solved by technology
However, the superimposed force standard machine is heavily dependent on the standard sensor used. The standard sensor is unstable when measuring a small range, and the measurement accuracy is low. In order to solve this problem, the current method is to replace the standard sensor with a small range during the measurement process. This is not only cumbersome to operate, it is impossible to measure continuously
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[0029] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0030] In order to achieve the purpose of the present invention, as Figure 1 to Figure 2 As shown, in one of the embodiments of the present invention, an electric cylinder loading type force value test device is provided, including:
[0031] The mounting frame includes a base 10, a column and an upper beam 20, the upper beam 20 is arranged above the base 10 and is connected by a column between the two, and the bottom of the upper beam 20 is provided with a device under test installation mechanism 40;
[0032] The large electric cylinder 310 is fixed on the base 10;
[0033] Connecting frame 311, which is arranged on the output end of the large electric cylinder;
[0034] Small electric cylinder 320, which is fixedly arranged in the connecting frame 311;
[0035] A large sensor 313, which is connected to the top of the connecting frame 311...
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The invention discloses a force value test device loaded by electric cylinders. The test device comprises an insulation rack; a big electric cylinder fixedly arranged on the insulation rack; a connection rack arranged on the output end of the big electric cylinder; a small electric cylinder fixedly arranged in the connection rack; a big sensor; and a small sensor. A connection tray is arranged between the big sensor and the connection rack. A guiding tray is arranged between the small sensor and the small electric cylinder. According to the invention, the small electric cylinder drives the guiding tray to move upwards so that the small sensor moves upwards to impose loading force used for measuring small range on the connection tray, and at this moment, the big electric cylinder and the big sensor do not work; and the big electric cylinder drives the connection rack to move upwards so as to impose loading force used for measuring big range on the connection tray, and at this moment, the small electric cylinder and the small sensor do not work. Thus, the test device can measuring big range and small range. Due to the small sensor, stability of test of the small range is ensured; precision of the test is improved; and compared with the current hydraulic tests, the test device only consumes electric energy without oil leakage, so energy consumption is low.
Description
technical field [0001] The invention belongs to the field of force value measurement, and in particular relates to an electric cylinder loading type force value test device. Background technique [0002] Force value detection is an important part of mechanical measurement and testing, and is widely used in national production and life. In the prior art, a standard force sensor with higher accuracy than the verified dynamometer is used as a standard during the test, connected in series with the calibrated / verified force sensor, and loaded in a hydraulic or mechanical way; due to its cost Low cost and high work efficiency, it has been widely used in the mechanical performance testing of various load cells, force sensors, and dynamometers in recent years. However, the superimposed force standard machine is heavily dependent on the standard sensor used. The standard sensor is unstable when measuring a small range, and the measurement accuracy is low. In order to solve this prob...
Claims
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IPC IPC(8): G01L25/00
Inventor 许坤有张辉群王刚林挺徐云霞
Owner KUNSHAN TRANSPORTATION ENG TEST CENT CO LTD