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扭矩倍增器 我有新說法
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SGBZQ扭力倍增器采用高能行星變速機(jī)構(gòu)作為主傳動(dòng),體積小,重量輕,由于變速比大,輸入較小力量就能產(chǎn)生很大的輸出扭矩,反作用支腳可360o任意調(diào)換位置

1一、簡(jiǎn)介:

SGBZQ扭力倍增器采用高能行星變速機(jī)構(gòu)作為主傳動(dòng),體積小,重量輕,由于變速比大,輸入較小力量就能產(chǎn)生很大的輸出扭矩,反作用支腳可360o任意調(diào)換位置;操作人員只需施加很小的力,即可得到1-28倍的輸出力矩.配套扭力扳手根據(jù)傳動(dòng)比預(yù)置好扭力,達(dá)到相應(yīng)的預(yù)緊扭矩,能自動(dòng)發(fā)出訊號(hào)“嗒”的一聲報(bào)警,同時(shí)伴有明顯的手感振動(dòng),從而輕捷的完成螺栓螺母的緊固拆卸工作。


2二、優(yōu)點(diǎn):

安全------使用延長(zhǎng)桿會(huì)造成危險(xiǎn)。使用扭力倍增器可以藉由放大倍率4、25或28倍來減少延長(zhǎng)桿長(zhǎng)度及使用者的出力。

操作空間的制------使用較長(zhǎng)的延長(zhǎng)桿在有些工作場(chǎng)合,因?yàn)榭臻g上的制,可能不適于延長(zhǎng)桿使用。

準(zhǔn)確------使用扭力倍增器操作會(huì)比較順暢、平穩(wěn)并且可獲得更準(zhǔn)確的扭矩。在螺栓鎖緊的過程中可減少體力的支出。    發(fā)電廠電力檢修及各工業(yè)行業(yè)生產(chǎn)檢修安裝現(xiàn)場(chǎng),緊固和拆卸大直徑螺栓螺母相當(dāng)困難,尤其在操作人員難以施工的環(huán)境中(例如設(shè)備周圍空間較小,無法使用加力桿及各類特種扳手等),這一矛盾顯得更為突出。


3三、注意事項(xiàng)

(1)需注意配合的扭力扳手的扭矩值,請(qǐng)勿過載使用。

(2)盡量保持扭力扳手驅(qū)動(dòng)頭、倍增器和被鎖物同軸線對(duì)準(zhǔn)。

(3)盡量保持反作用力臂與抵擋物可靠的平面接觸。

(4)盡量保持反作用力與反作用力臂成直角。 

(5)反作用力點(diǎn)應(yīng)盡量遠(yuǎn)離倍增器,并在安全三角區(qū)內(nèi)。

(6)基于安全考慮,不容許使用雙臂或平衡式反作用力臂。

(7)要取下倍增器,先移去扭力扳手和撥動(dòng)反回彈裝置,切忌敲打


4四、如何保養(yǎng) 

(1) 每年定期更換倍增器內(nèi)部潤(rùn)滑油;  

(2) 請(qǐng)勿使倍增器外觀受損。關(guān)于反回彈安全裝置About Anti Wind-UP Ratchet 在進(jìn)行鎖緊螺母施工時(shí),高倍率齒輪箱(1:28或更高)會(huì)產(chǎn)生一定量的反沖力,而當(dāng)每次輸入裝置釋放(或松脫)時(shí),會(huì)產(chǎn)生回彈動(dòng)作,回彈方向與操作方向相反。反回彈安全裝置的作用是:當(dāng)回彈力產(chǎn)生時(shí),反回彈棘輪裝置會(huì)保持彈力而不釋放。注意:在鎖緊螺母施工前,須確認(rèn)反回彈安全裝置與螺母鎖緊操作方向相適應(yīng)。



5五、反回彈安全裝置的優(yōu)點(diǎn):

1.如果意外的松脫,扭矩輸入裝置不會(huì)突然向操作方向回彈,保證操作者的安全;    

2.沒有反回彈安全裝置,往往需要確認(rèn)扭矩裝置360度的回旋中沒有任何障礙物,因?yàn)檎系K物會(huì)造成倍增器無法使用;    

3.反回彈安全裝置配合倍增器反作用力臂的反作用力點(diǎn)可以使倍增器上緊螺母,即使扭力倍增器倒立使用,也可以支撐扭矩倍增器自己本身的重量。


6六、如何拆裝需要大扭矩的螺栓

要解決前面提到的問題首先我們應(yīng)該充分了解螺栓的各種特性(內(nèi)因),所在環(huán)境等(外因)。螺栓的各種特性需要向螺栓生產(chǎn)廠家技術(shù)人員了解,包括螺栓的硬度、強(qiáng)度等級(jí)、屈服點(diǎn)、斷裂后的延長(zhǎng)性等等,應(yīng)該適合ISO898-1 ISO898-2 ISO6157-1 ISO6157-2國際標(biāo)準(zhǔn)。根據(jù)扭矩實(shí)驗(yàn),我們建議螺栓的擰緊力矩以N.m(牛頓.米)為單位。我們這里提到的扭矩值,計(jì)算基于摩擦系數(shù)為0.14(新螺栓\無潤(rùn)滑\無任何后處理),影響螺栓扭矩的外在因素一般包括:溫度、潤(rùn)滑情況、銹蝕情況、螺栓墊片、加固膠是否使用等等。



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