大(da)(da)(da)理(li)(li)(li)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)是(shi)(shi)對精密機械制件和(he)儀器儀表(biao)檢(jian)驗的(de)(de)比較理(li)(li)(li)想(xiang)的(de)(de)基(ji)準面(mian)(mian)，同時(shi)(shi)也(ye)(ye)是(shi)(shi)一(yi)(yi)(yi)種高(gao)精度(du)(du)(du)測量(liang)(liang)工(gong)(gong)具(ju)。這(zhe)是(shi)(shi)由于(yu)它(ta)(ta)(ta)是(shi)(shi)由優良天(tian)然(ran)(ran)的(de)(de)花崗(gang)石(shi)(shi)研磨制成(cheng)的(de)(de)，它(ta)(ta)(ta)得(de)天(tian)獨厚，使(shi)(shi)(shi)其(qi)(qi)它(ta)(ta)(ta)材質的(de)(de)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)量(liang)(liang)具(ju)相形見絀。在(zai)(zai)(zai)(zai)(zai)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)大(da)(da)(da)理(li)(li)(li)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)進行檢(jian)測和(he)當基(ji)準面(mian)(mian)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)前需(xu)要固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)在(zai)(zai)(zai)(zai)(zai)一(yi)(yi)(yi)個(ge)(ge)位(wei)置(zhi)后(hou)進行調(diao)整(zheng)(zheng)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)或者固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)在(zai)(zai)(zai)(zai)(zai)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)位(wei)置(zhi)上(shang)(shang)(shang)。那么如(ru)何固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)呢？  　　固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)方(fang)法一(yi)(yi)(yi)：   　　大(da)(da)(da)理(li)(li)(li)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)規格500mm以上(shang)(shang)(shang)的(de)(de)可(ke)(ke)以使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)來固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)。平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)是(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)方(fang)鋼焊接制成(cheng)的(de)(de)，通常(chang)由5條腿和(he)上(shang)(shang)(shang)面(mian)(mian)5個(ge)(ge)千(qian)(qian)(qian)斤(jin)(jin)頂組成(cheng)，其(qi)(qi)中(zhong)3個(ge)(ge)千(qian)(qian)(qian)斤(jin)(jin)頂為(wei)(wei)主支(zhi)(zhi)(zhi)點(dian)(dian)，其(qi)(qi)它(ta)(ta)(ta)2個(ge)(ge)千(qian)(qian)(qian)斤(jin)(jin)頂為(wei)(wei)輔助。把(ba)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)放(fang)(fang)在(zai)(zai)(zai)(zai)(zai)恒溫車間內，然(ran)(ran)后(hou)把(ba)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)放(fang)(fang)置(zhi)在(zai)(zai)(zai)(zai)(zai)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)上(shang)(shang)(shang)，要求(qiu)工(gong)(gong)作面(mian)(mian)離地面(mian)(mian)的(de)(de)高(gao)度(du)(du)(du)為(wei)(wei)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)的(de)(de)厚度(du)(du)(du) 支(zhi)(zhi)(zhi)架(jia)(jia)(jia)的(de)(de)高(gao)度(du)(du)(du)為(wei)(wei)800mm,例如(ru)：花崗(gang)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)規格為(wei)(wei)1000750100，配套支(zhi)(zhi)(zhi)架(jia)(jia)(jia)的(de)(de)高(gao)度(du)(du)(du)為(wei)(wei)700mm。   　　支(zhi)(zhi)(zhi)架(jia)(jia)(jia)5條腿與(yu)地面(mian)(mian)接觸的(de)(de)地方(fang)有5個(ge)(ge)支(zhi)(zhi)(zhi)點(dian)(dian)，其(qi)(qi)中(zhong)3個(ge)(ge)是(shi)(shi)起固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)作用(yong)(yong)(yong)(yong)(yong)(yong)，另外2個(ge)(ge)支(zhi)(zhi)(zhi)點(dian)(dian)為(wei)(wei)調(diao)整(zheng)(zheng)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)，而且(qie)上(shang)(shang)(shang)面(mian)(mian)的(de)(de)5個(ge)(ge)千(qian)(qian)(qian)斤(jin)(jin)頂也(ye)(ye)起同樣的(de)(de)作用(yong)(yong)(yong)(yong)(yong)(yong)，3個(ge)(ge)為(wei)(wei)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)，其(qi)(qi)它(ta)(ta)(ta)2個(ge)(ge)支(zhi)(zhi)(zhi)點(dian)(dian)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)微調(diao)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)。 大(da)(da)(da)理(li)(li)(li)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)支(zhi)(zhi)(zhi)架(jia)(jia)(jia) 　　固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)方(fang)法二   　　大(da)(da)(da)理(li)(li)(li)石(shi)(shi)檢(jian)測平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)規格過(guo)大(da)(da)(da)，重量(liang)(liang)較重，如(ru)果繼續(xu)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)支(zhi)(zhi)(zhi)撐(cheng)可(ke)(ke)能(neng)會(hui)不穩，既而造(zao)成(cheng)測量(liang)(liang)失誤或者因為(wei)(wei)晃蕩造(zao)成(cheng)危(wei)險。這(zhe)時(shi)(shi)可(ke)(ke)以直(zhi)接用(yong)(yong)(yong)(yong)(yong)(yong)大(da)(da)(da)個(ge)(ge)的(de)(de)千(qian)(qian)(qian)斤(jin)(jin)頂或者平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)調(diao)整(zheng)(zheng)螺栓(shuan)直(zhi)接放(fang)(fang)置(zhi)在(zai)(zai)(zai)(zai)(zai)地面(mian)(mian)上(shang)(shang)(shang)進行固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)和(he)支(zhi)(zhi)(zhi)撐(cheng)調(diao)節水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)。 平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)調(diao)整(zheng)(zheng)螺栓(shuan) 　　固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)方(fang)法三   　　還有一(yi)(yi)(yi)些小(xiao)(xiao)規格的(de)(de)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)在(zai)(zai)(zai)(zai)(zai)制作和(he)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)過(guo)程(cheng)中(zhong)也(ye)(ye)需(xu)要固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)在(zai)(zai)(zai)(zai)(zai)一(yi)(yi)(yi)個(ge)(ge)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)位(wei)置(zhi)上(shang)(shang)(shang)，這(zhe)時(shi)(shi)我們可(ke)(ke)以使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)小(xiao)(xiao)千(qian)(qian)(qian)斤(jin)(jin)頂。比如(ru)可(ke)(ke)以把(ba)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)放(fang)(fang)置(zhi)在(zai)(zai)(zai)(zai)(zai)一(yi)(yi)(yi)個(ge)(ge)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)的(de)(de)工(gong)(gong)作臺(tai)(tai)(tai)上(shang)(shang)(shang)面(mian)(mian)，然(ran)(ran)后(hou)在(zai)(zai)(zai)(zai)(zai)工(gong)(gong)作臺(tai)(tai)(tai)上(shang)(shang)(shang)面(mian)(mian)安放(fang)(fang)5個(ge)(ge)小(xiao)(xiao)千(qian)(qian)(qian)斤(jin)(jin)頂，再然(ran)(ran)后(hou)把(ba)小(xiao)(xiao)規格的(de)(de)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)板放(fang)(fang)置(zhi)在(zai)(zai)(zai)(zai)(zai)上(shang)(shang)(shang)面(mian)(mian)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)調(diao)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)后(hou)即可(ke)(ke)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)。 大(da)(da)(da)理(li)(li)(li)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)構(gou)件 　　固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)大(da)(da)(da)理(li)(li)(li)石(shi)(shi)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)板通常(chang)就是(shi)(shi)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)支(zhi)(zhi)(zhi)架(jia)(jia)(jia)和(he)千(qian)(qian)(qian)斤(jin)(jin)頂，這(zhe)也(ye)(ye)是(shi)(shi)比較常(chang)用(yong)(yong)(yong)(yong)(yong)(yong)的(de)(de)，也(ye)(ye)可(ke)(ke)以使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)其(qi)(qi)它(ta)(ta)(ta)方(fang)法來固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)，比如(ru)在(zai)(zai)(zai)(zai)(zai)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)臺(tai)(tai)(tai)底部鉆孔(kong)鑲嵌(qian)螺紋(wen)鋼套，然(ran)(ran)后(hou)固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)在(zai)(zai)(zai)(zai)(zai)其(qi)(qi)它(ta)(ta)(ta)物(wu)體(ti)上(shang)(shang)(shang)，只要保(bao)持(chi)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)即可(ke)(ke)。如(ru)果不能(neng)保(bao)持(chi)水(shui)平(ping)(ping)(ping)(ping)(ping)(ping)(ping)，固(gu)(gu)(gu)定(ding)(ding)(ding)(ding)的(de)(de)在(zai)(zai)(zai)(zai)(zai)穩固(gu)(gu)(gu)也(ye)(ye)不能(neng)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)(yong)(yong)。