A pallet balance used in middle school teaching
A pallet balance and secondary technology, which is applied to the detailed information of weighing equipment, instruments, measuring devices, etc., can solve the problems of easily damaged knife edge, reduced accuracy of pallet balance, time-consuming and labor-intensive rubber sleeves, etc.
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[0019] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0020] see figure 1 , figure 2 , a kind of pallet balance used for middle school teaching according to the present invention comprises a base 1, a middle knife rest 2, a lever 3 with a scale and a pallet 4, and the pallet 4 is installed on both sides of the lever 3 through the hanger 5 end, the lower end of the hanger 5 is provided with a vertical arm 6, the upper end surface of the base 1 is formed with a socket 11, the lower end of the vertical arm 6 extends into the socket 11, and the bottom of the vertical arm 6 A first magnet 71 is provided, and a turntable 8 inserted and fixed on the support shaft 81 is arranged under the socket 11. A plurality of protruding teeth...
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