宝塔弹簧是一种减震弹簧，也称塔式弹簧、塔簧。在外力作用下，塔簧各截面承受的扭矩不同，塔簧小端承受扭矩最小，塔簧大端承受扭矩最大；随着外力的增加，弹簧工作圈数逐渐减少，刚度逐渐加大。

塔簧主要特点是体积小、载荷大、变刚度，塔簧吸收冲击的能力高，特别适用于外形尺寸受限制而又承受强烈冲击的机械上。宝塔弹簧支承板下方设有调节螺丝钉，塔形弹簧压缩量变化率随着压力的增加而减少,小载荷时刚性较低,随着载荷的增加,刚性增加塔簧广泛用于空间小、载荷大的场合和减震装置。

10kN～1000kN宝塔弹簧试验机；300kN等螺旋角塔簧试验机；200kN等节距塔簧试验机；100kN等应力塔簧试验机；10kN塔簧阻尼器试验机；HRJ Tester；隔振处理的阻尼弹簧隔振器；50N塔形电池弹簧试验机；20kN塔形床垫弹簧试验机；3000N塔形沙发弹簧试验；变载荷塔形弹簧试验机；10kN塔形阻尼弹簧试验；100kN塔簧疲劳试验机；100kN减震弹簧试验机；HRJ Tester；500kN塔簧载荷刚度曲线；100kN塔簧高速压缩试验机；1000N.m塔簧扭矩试验机；塔簧疲劳寿命试验机；塔簧可靠性试验机。

CB*390；CB 3064；CB/Z144；CB/T4317-2013；CB 705；CB 788；GB/T1222-2016；GB/T12243；GB/T1239.1；GB/T1239.2；GB/T1239.3；GB/T13061-2017；GB/T16947；GB/T1382；GB/T1972；GB/T19844-2018；CB 637；GB/T31559-2015；GB/T36375-2018；GB/T33954-2017；GB/T33975-2017；GTCC-029-2016；HJ/T381；

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