平(ping)(ping)(ping)地(di)(di)鏟(chan)(chan)(chan)由平(ping)(ping)(ping)直(zhi)的(de)(de)(de)(de)(de)(de)鏟(chan)(chan)(chan)刀(dao)(dao)和圓弧形的(de)(de)(de)(de)(de)(de)鏟(chan)(chan)(chan)壁構(gou)成。為適應(ying)不(bu)同(tong)(tong)(tong)土(tu)壤類型和不(bu)同(tong)(tong)(tong)地(di)(di)形條件的(de)(de)(de)(de)(de)(de)要求，切土(tu)角(jiao)(jiao)(jiao)(jiao)(鏟(chan)(chan)(chan)刀(dao)(dao)面與地(di)(di)平(ping)(ping)(ping)面的(de)(de)(de)(de)(de)(de)夾角(jiao)(jiao)(jiao)(jiao))、水(shui)平(ping)(ping)(ping)回轉(zhuan)角(jiao)(jiao)(jiao)(jiao)、垂(chui)直(zhi)回轉(zhuan)角(jiao)(jiao)(jiao)(jiao)均可通(tong)過液壓裝置調節。其調節范圍:切土(tu)角(jiao)(jiao)(jiao)(jiao)為30°~65°;水(shui)平(ping)(ping)(ping)回轉(zhuan)角(jiao)(jiao)(jiao)(jiao)可按順(shun)時(shi)針,逆時(shi)針方(fang)向各(ge)回轉(zhuan)40°~60°;重直(zhi)回轉(zhuan)角(jiao)(jiao)(jiao)(jiao)可按順(shun)時(shi)針和逆時(shi)針方(fang)向各(ge)回轉(zhuan)25°。結構(gou)簡單(dan)的(de)(de)(de)(de)(de)(de)懸掛(gua)式(shi)(shi)平(ping)(ping)(ping)地(di)(di)機(ji)，一般只(zhi)能調節入土(tu)角(jiao)(jiao)(jiao)(jiao)和水(shui)平(ping)(ping)(ping)回轉(zhuan)角(jiao)(jiao)(jiao)(jiao)。其水(shui)平(ping)(ping)(ping)回轉(zhuan)角(jiao)(jiao)(jiao)(jiao)的(de)(de)(de)(de)(de)(de)調節常采用定(ding)位(wei)(wei)銷在不(bu)同(tong)(tong)(tong)位(wei)(wei)置定(ding)位(wei)(wei)的(de)(de)(de)(de)(de)(de)方(fang)法(fa)，使平(ping)(ping)(ping)地(di)(di)鏟(chan)(chan)(chan)以不(bu)同(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)角(jiao)(jiao)(jiao)(jiao)度(du)與機(ji)架連(lian)接(jie)，因而只(zhi)能在作業停止的(de)(de)(de)(de)(de)(de)狀態(tai)下由人(ren)工調節。平(ping)(ping)(ping)地(di)(di)鏟(chan)(chan)(chan)的(de)(de)(de)(de)(de)(de)升降和切土(tu)深度(du)通(tong)過渦(wo)輪渦(wo)桿機(ji)構(gou)或液壓機(ji)構(gou)調節。同(tong)(tong)(tong)20~40千(qian)(qian)瓦拖拉機(ji)配套的(de)(de)(de)(de)(de)(de)懸掛(gua)式(shi)(shi)平(ping)(ping)(ping)地(di)(di)機(ji)的(de)(de)(de)(de)(de)(de)最(zui)上限切土(tu)深度(du)為5~8厘米;同(tong)(tong)(tong)37~55千(qian)(qian)瓦拖拉機(ji)配套的(de)(de)(de)(de)(de)(de)牽引式(shi)(shi)平(ping)(ping)(ping)地(di)(di)機(ji)的(de)(de)(de)(de)(de)(de)最(zui)上限切土(tu)深度(du)為15~20厘米。

牽引式(shi)平(ping)地(di)(di)(di)機(ji)的(de)松(song)(song)(song)土(tu)(tu)(tu)部件常用(yong)的(de)是(shi)鏟式(shi)，以約(yue)50厘米的(de)橫向間(jian)距成(cheng)排地(di)(di)(di)安(an)裝(zhuang)在平(ping)地(di)(di)(di)鏟的(de)前(qian)方，其松(song)(song)(song)土(tu)(tu)(tu)深度較平(ping)地(di)(di)(di)鏟的(de)切土(tu)(tu)(tu)深度約(yue)深 5厘米。在平(ping)地(di)(di)(di)鏟作(zuo)業(ye)(ye)前(qian)先松(song)(song)(song)土(tu)(tu)(tu),可改善(shan)平(ping)地(di)(di)(di)鏟的(de)作(zuo)業(ye)(ye)條件,有利(li)于提高平(ping)地(di)(di)(di)質量。懸掛(gua)式(shi)平(ping)地(di)(di)(di)機(ji)一(yi)般(ban)采用(yong)鑿形松(song)(song)(song)土(tu)(tu)(tu)部件，安(an)裝(zhuang)在平(ping)地(di)(di)(di)鏟的(de)鏟壁上(shang)。在平(ping)地(di)(di)(di)作(zuo)業(ye)(ye)時(shi)(shi)，松(song)(song)(song)土(tu)(tu)(tu)部件在鏟壁上(shang)部，呈非作(zuo)業(ye)(ye)狀態(tai)(tai)。松(song)(song)(song)土(tu)(tu)(tu)作(zuo)業(ye)(ye)時(shi)(shi)，將(jiang)平(ping)地(di)(di)(di)鏟回轉180°,使松(song)(song)(song)土(tu)(tu)(tu)部件呈作(zuo)業(ye)(ye)狀態(tai)(tai)。兩(liang)項作(zuo)業(ye)(ye)不能同時(shi)(shi)進行。

在平(ping)地(di)機上配(pei)備激(ji)光裝置(zhi)，在作業中與安裝在地(di)邊(bian)適當位(wei)置(zhi)的(de)激(ji)光發射器保(bao)持聯系，即可根(gen)據接受(shou)激(ji)光光束位(wei)置(zhi)的(de)高(gao)(gao)低(di)，自動(dong)調整平(ping)地(di)鏟的(de)高(gao)(gao)低(di)位(wei)置(zhi)，即切土深度(du)，從而(er)大大提高(gao)(gao)平(ping)地(di)質量(liang)。