我设计揉弦式固定千斤(图1)的目的是改善二胡、高胡等空弦音的音色,使之有波动感,求得演奏手法和音乐效果的统一,增强艺术感染力。现在,部分专业演奏员用颤动手掌的手法使空弦音产生波动感。这种手法在演奏时不仅有碍持琴的稳定,而且效果不明显。使用揉弦式固定千斤能很好地解决以上不足。揉弦式固定千斤的揉弦是利用揉弦杠杆带动支弦尺(升高)实现的。手指如同揉琴弦那样在揉弦杠杆上揉动(压揉手法)即可。加压 The purpose of my design is to improve the tone of erhu, Gaohu and other empty strings so that there is a sense of volatility, and to achieve the unity of playing techniques and musical effects and enhance the artistic appeal. Now, some professional performers shake the empty strings with a fluttering palm. This technique not only hinder the stability of playing the piano, but the effect is not obvious. The use of rubbing string fixed jack can solve the above problems. Kneading string fixed kilo rubbing string is the use of rubbing the chord lever driven string feet (increase) to achieve. Finger as rubbing strings as rubbing chord lever on the kneading (rubbing tactics) can be. Pressurized