平(ping)(ping)(ping)地(di)(di)(di)(di)鏟(chan)由(you)平(ping)(ping)(ping)直的(de)(de)(de)鏟(chan)刀(dao)和圓弧形(xing)的(de)(de)(de)鏟(chan)壁(bi)構成。為適應不(bu)同土(tu)(tu)(tu)壤類型和不(bu)同地(di)(di)(di)(di)形(xing)條件的(de)(de)(de)要求，切(qie)土(tu)(tu)(tu)角(鏟(chan)刀(dao)面(mian)與地(di)(di)(di)(di)平(ping)(ping)(ping)面(mian)的(de)(de)(de)夾角)、水平(ping)(ping)(ping)回(hui)(hui)轉(zhuan)(zhuan)角、垂直回(hui)(hui)轉(zhuan)(zhuan)角均可(ke)通(tong)過液壓裝置(zhi)調(diao)(diao)(diao)節(jie)。其(qi)調(diao)(diao)(diao)節(jie)范(fan)圍:切(qie)土(tu)(tu)(tu)角為30°~65°;水平(ping)(ping)(ping)回(hui)(hui)轉(zhuan)(zhuan)角可(ke)按順時針(zhen)(zhen),逆時針(zhen)(zhen)方向各(ge)回(hui)(hui)轉(zhuan)(zhuan)40°~60°;重直回(hui)(hui)轉(zhuan)(zhuan)角可(ke)按順時針(zhen)(zhen)和逆時針(zhen)(zhen)方向各(ge)回(hui)(hui)轉(zhuan)(zhuan)25°。結構簡單的(de)(de)(de)懸(xuan)掛式(shi)平(ping)(ping)(ping)地(di)(di)(di)(di)機(ji)(ji)，一般只能調(diao)(diao)(diao)節(jie)入(ru)土(tu)(tu)(tu)角和水平(ping)(ping)(ping)回(hui)(hui)轉(zhuan)(zhuan)角。其(qi)水平(ping)(ping)(ping)回(hui)(hui)轉(zhuan)(zhuan)角的(de)(de)(de)調(diao)(diao)(diao)節(jie)常采(cai)用定(ding)位(wei)銷在(zai)(zai)不(bu)同位(wei)置(zhi)定(ding)位(wei)的(de)(de)(de)方法，使平(ping)(ping)(ping)地(di)(di)(di)(di)鏟(chan)以不(bu)同的(de)(de)(de)角度與機(ji)(ji)架連接，因而只能在(zai)(zai)作業(ye)停止的(de)(de)(de)狀態下由(you)人(ren)工調(diao)(diao)(diao)節(jie)。平(ping)(ping)(ping)地(di)(di)(di)(di)鏟(chan)的(de)(de)(de)升降和切(qie)土(tu)(tu)(tu)深度通(tong)過渦輪渦桿機(ji)(ji)構或液壓機(ji)(ji)構調(diao)(diao)(diao)節(jie)。同20~40千瓦(wa)拖拉機(ji)(ji)配套的(de)(de)(de)懸(xuan)掛式(shi)平(ping)(ping)(ping)地(di)(di)(di)(di)機(ji)(ji)的(de)(de)(de)最上限(xian)切(qie)土(tu)(tu)(tu)深度為5~8厘(li)米(mi);同37~55千瓦(wa)拖拉機(ji)(ji)配套的(de)(de)(de)牽引式(shi)平(ping)(ping)(ping)地(di)(di)(di)(di)機(ji)(ji)的(de)(de)(de)最上限(xian)切(qie)土(tu)(tu)(tu)深度為15~20厘(li)米(mi)。

牽(qian)引式平(ping)(ping)地(di)(di)(di)(di)機的(de)松(song)(song)土(tu)部件(jian)常(chang)用的(de)是鏟(chan)式，以約(yue)50厘(li)米(mi)的(de)橫向間(jian)距成排地(di)(di)(di)(di)安(an)裝在(zai)(zai)(zai)(zai)平(ping)(ping)地(di)(di)(di)(di)鏟(chan)的(de)前方，其松(song)(song)土(tu)深(shen)度較(jiao)平(ping)(ping)地(di)(di)(di)(di)鏟(chan)的(de)切土(tu)深(shen)度約(yue)深(shen) 5厘(li)米(mi)。在(zai)(zai)(zai)(zai)平(ping)(ping)地(di)(di)(di)(di)鏟(chan)作(zuo)(zuo)業(ye)(ye)(ye)(ye)前先松(song)(song)土(tu),可改善平(ping)(ping)地(di)(di)(di)(di)鏟(chan)的(de)作(zuo)(zuo)業(ye)(ye)(ye)(ye)條件(jian),有利(li)于提高(gao)平(ping)(ping)地(di)(di)(di)(di)質量。懸(xuan)掛式平(ping)(ping)地(di)(di)(di)(di)機一般采(cai)用鑿(zao)形(xing)松(song)(song)土(tu)部件(jian)，安(an)裝在(zai)(zai)(zai)(zai)平(ping)(ping)地(di)(di)(di)(di)鏟(chan)的(de)鏟(chan)壁(bi)上(shang)。在(zai)(zai)(zai)(zai)平(ping)(ping)地(di)(di)(di)(di)作(zuo)(zuo)業(ye)(ye)(ye)(ye)時(shi)，松(song)(song)土(tu)部件(jian)在(zai)(zai)(zai)(zai)鏟(chan)壁(bi)上(shang)部，呈非作(zuo)(zuo)業(ye)(ye)(ye)(ye)狀(zhuang)態。松(song)(song)土(tu)作(zuo)(zuo)業(ye)(ye)(ye)(ye)時(shi)，將(jiang)平(ping)(ping)地(di)(di)(di)(di)鏟(chan)回轉(zhuan)180°,使松(song)(song)土(tu)部件(jian)呈作(zuo)(zuo)業(ye)(ye)(ye)(ye)狀(zhuang)態。兩項作(zuo)(zuo)業(ye)(ye)(ye)(ye)不能同(tong)時(shi)進行。

在(zai)平地(di)(di)機上配(pei)備激(ji)光(guang)裝置(zhi)(zhi)，在(zai)作(zuo)業中與(yu)安裝在(zai)地(di)(di)邊適(shi)當(dang)位置(zhi)(zhi)的激(ji)光(guang)發射(she)器(qi)保持聯系，即(ji)(ji)可根據接受(shou)激(ji)光(guang)光(guang)束位置(zhi)(zhi)的高(gao)低，自動(dong)調整(zheng)平地(di)(di)鏟的高(gao)低位置(zhi)(zhi)，即(ji)(ji)切土深度，從而(er)大大提(ti)高(gao)平地(di)(di)質(zhi)量。