本實用新型屬于油田作業(ye)工具技術領(ling)域，具體涉及一種偏心式穿心活頁(ye)打撈筒。

背景技術：

在(zai)(zai)油(you)(you)田(tian)上抽油(you)(you)機工(gong)作(zuo)(zuo)過程(cheng)中(zhong)，井下(xia)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)因(yin)長期(qi)工(gong)作(zuo)(zuo)，受(shou)到腐(fu)蝕、拉伸(shen)、疲勞等因(yin)素影響，會出現斷裂而落入油(you)(you)管內(nei)(nei)泵筒中(zhong)的(de)(de)(de)(de)(de)(de)情(qing)(qing)況(kuang)(kuang)。在(zai)(zai)進行(xing)打(da)(da)(da)(da)撈(lao)(lao)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)作(zuo)(zuo)業時(shi)，往往會根據油(you)(you)桿(gan)(gan)(gan)(gan)(gan)外(wai)露(lu)情(qing)(qing)況(kuang)(kuang)，選擇(ze)相(xiang)應(ying)的(de)(de)(de)(de)(de)(de)打(da)(da)(da)(da)撈(lao)(lao)工(gong)具，具體分(fen)(fen)為以下(xia)兩種選擇(ze)方向：一、如果外(wai)露(lu)是油(you)(you)桿(gan)(gan)(gan)(gan)(gan)部(bu)分(fen)(fen)的(de)(de)(de)(de)(de)(de)話則(ze)選用(yong)(yong)(yong)專用(yong)(yong)(yong)油(you)(you)桿(gan)(gan)(gan)(gan)(gan)打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)，這時(shi)又會根據油(you)(you)桿(gan)(gan)(gan)(gan)(gan)桿(gan)(gan)(gan)(gan)(gan)型(xing)(一般常見為五分(fen)(fen)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)、六分(fen)(fen)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)、七(qi)分(fen)(fen)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)三(san)種情(qing)(qing)況(kuang)(kuang))，更(geng)換油(you)(you)桿(gan)(gan)(gan)(gan)(gan)打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)內(nei)(nei)相(xiang)對應(ying)的(de)(de)(de)(de)(de)(de)牙片(pian)，將(jiang)打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)下(xia)入井內(nei)(nei)進行(xing)打(da)(da)(da)(da)撈(lao)(lao)；二、如果外(wai)露(lu)是油(you)(you)桿(gan)(gan)(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)接(jie)箍(gu)(gu)部(bu)分(fen)(fen)則(ze)選用(yong)(yong)(yong)綜合打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)。常見的(de)(de)(de)(de)(de)(de)五分(fen)(fen)和六分(fen)(fen)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)接(jie)箍(gu)(gu)比(bi)較(jiao)好打(da)(da)(da)(da)撈(lao)(lao)，而七(qi)分(fen)(fen)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)接(jie)箍(gu)(gu)因(yin)外(wai)徑(jing)較(jiao)大，在(zai)(zai)內(nei)(nei)徑(jing)62mm(外(wai)徑(jing)為73.02mm)的(de)(de)(de)(de)(de)(de)生產油(you)(you)管內(nei)(nei)，打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)無法(fa)將(jiang)外(wai)露(lu)接(jie)箍(gu)(gu)引(yin)入綜合打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)內(nei)(nei)進行(xing)打(da)(da)(da)(da)撈(lao)(lao)，此時(shi)就需(xu)要(yao)對綜合打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)進行(xing)加工(gong)，對打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)內(nei)(nei)壁打(da)(da)(da)(da)磨使壁厚變薄，才(cai)可(ke)將(jiang)外(wai)露(lu)接(jie)箍(gu)(gu)引(yin)入打(da)(da)(da)(da)撈(lao)(lao)器(qi)(qi)內(nei)(nei)進行(xing)打(da)(da)(da)(da)撈(lao)(lao)，但此種處(chu)理(li)在(zai)(zai)現場實(shi)際作(zuo)(zuo)業中(zhong)，因(yin)加工(gong)工(gong)藝精度(du)、質量等原因(yin)，往往成功率并不高(gao)。綜上所述，這兩種工(gong)具的(de)(de)(de)(de)(de)(de)選擇(ze)使用(yong)(yong)(yong)均(jun)缺乏通(tong)用(yong)(yong)(yong)性、簡便性和可(ke)靠性，均(jun)有其使用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)局限(xian)性，需(xu)準(zhun)備相(xiang)應(ying)工(gong)具的(de)(de)(de)(de)(de)(de)零配件，不僅費時(shi)費力，并且打(da)(da)(da)(da)撈(lao)(lao)效(xiao)果不佳，一旦打(da)(da)(da)(da)撈(lao)(lao)失敗下(xia)一步就需(xu)要(yao)提油(you)(you)管至(zhi)外(wai)露(lu)部(bu)位進行(xing)接(jie)桿(gan)(gan)(gan)(gan)(gan)打(da)(da)(da)(da)撈(lao)(lao)作(zuo)(zuo)業，增加作(zuo)(zuo)業費用(yong)(yong)(yong)和作(zuo)(zuo)業時(shi)間。因(yin)此就非常需(xu)要(yao)一種簡便實(shi)用(yong)(yong)(yong)、可(ke)靠性高(gao)、通(tong)用(yong)(yong)(yong)性強的(de)(de)(de)(de)(de)(de)抽油(you)(you)桿(gan)(gan)(gan)(gan)(gan)打(da)(da)(da)(da)撈(lao)(lao)工(gong)具。

技術實現要素：

本(ben)實用新(xin)型的目的是(shi)提(ti)供一種偏心(xin)式穿心(xin)活頁打(da)撈(lao)筒(tong)，解決(jue)現有技術中的抽油(you)桿打(da)撈(lao)工(gong)具缺乏(fa)通用性的問題。

本實用(yong)新型所采用(yong)的(de)(de)(de)技術方案是：一種偏心(xin)式穿心(xin)活頁打撈筒(tong)(tong)(tong)，包(bao)括筒(tong)(tong)(tong)體(ti)(ti)，筒(tong)(tong)(tong)體(ti)(ti)的(de)(de)(de)上(shang)(shang)端(duan)連(lian)接(jie)(jie)有(you)曲連(lian)桿(gan)的(de)(de)(de)一端(duan)，曲連(lian)桿(gan)的(de)(de)(de)另一端(duan)連(lian)接(jie)(jie)有(you)上(shang)(shang)接(jie)(jie)頭；筒(tong)(tong)(tong)體(ti)(ti)的(de)(de)(de)下端(duan)與下引鞋連(lian)接(jie)(jie)；筒(tong)(tong)(tong)體(ti)(ti)內從上(shang)(shang)到下依(yi)次(ci)開有(you)互相連(lian)通的(de)(de)(de)斜(xie)孔(kong)(kong)(kong)(kong)、直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)a、直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)b及錐孔(kong)(kong)(kong)(kong)，斜(xie)孔(kong)(kong)(kong)(kong)的(de)(de)(de)軸(zhou)線(xian)與筒(tong)(tong)(tong)體(ti)(ti)的(de)(de)(de)軸(zhou)線(xian)成銳角(jiao)(jiao)夾(jia)角(jiao)(jiao)，直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)a、直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)b及錐孔(kong)(kong)(kong)(kong)的(de)(de)(de)軸(zhou)線(xian)與筒(tong)(tong)(tong)體(ti)(ti)的(de)(de)(de)軸(zhou)線(xian)重合；直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)a的(de)(de)(de)孔(kong)(kong)(kong)(kong)徑大于直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)b的(de)(de)(de)孔(kong)(kong)(kong)(kong)徑，在直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)a與直(zhi)(zhi)(zhi)孔(kong)(kong)(kong)(kong)b的(de)(de)(de)交界處(chu)形成一圈隔環，隔環處(chu)設置(zhi)有(you)活頁總成；錐孔(kong)(kong)(kong)(kong)為上(shang)(shang)小下大正圓臺狀的(de)(de)(de)孔(kong)(kong)(kong)(kong)。

本實用新型的特點還(huan)在于：

活頁(ye)總成包括活頁(ye)卡板、扭力彈簧(huang)(huang)和(he)銷軸(zhou)，活頁(ye)卡板的(de)一端(duan)呈U形開口，活頁(ye)卡板的(de)另一端(duan)連接扭力彈簧(huang)(huang)，銷軸(zhou)穿過扭力彈簧(huang)(huang)的(de)中心軸(zhou)處并(bing)緊固在(zai)隔環(huan)上(shang)。

活頁卡(ka)板U形(xing)開口端的張開度不小于90°。

曲連桿為七分桿徑。

直(zhi)孔(kong)a的孔(kong)徑為50+/-1mm。

直(zhi)孔b的(de)孔徑為(wei)46+/-1mm。

筒(tong)體(ti)的外(wai)徑為(wei)58+/-1mm。

下引鞋(xie)的外徑為60+/-1mm。

本實(shi)(shi)用(yong)(yong)新(xin)型的(de)有益(yi)效(xiao)果是(shi)：本實(shi)(shi)用(yong)(yong)新(xin)型的(de)偏(pian)心式穿心活(huo)頁打撈筒，結(jie)構簡單、使(shi)用(yong)(yong)方便(bian)、成(cheng)本低(di)廉、通(tong)用(yong)(yong)性強、可靠性高(gao)，在打撈油(you)管內油(you)桿落魚(yu)時，無論魚(yu)頂是(shi)油(you)桿部分(fen)還(huan)是(shi)油(you)桿接箍部分(fen)，均可實(shi)(shi)現一次(ci)性成(cheng)功打撈，高(gao)效(xiao)完(wan)成(cheng)作業。

附圖說明

圖(tu)1為本實用新型(xing)一(yi)種偏心式穿心活(huo)頁打撈筒的結構示意(yi)圖(tu)；

圖(tu)(tu)2為圖(tu)(tu)1的A-A剖視圖(tu)(tu)。

圖中，1.上接頭(tou)，2.曲(qu)連桿，3.筒體，4.活頁總成，5.下引鞋，6.斜(xie)孔，7.直孔a，8.直孔b，9.錐孔。

具體實施方式

下(xia)面結合附圖與具(ju)體實施方式對本實用(yong)新型作進一步詳細描述(shu)：

本實用(yong)新型(xing)的(de)(de)一種偏心(xin)式穿(chuan)心(xin)活(huo)(huo)(huo)頁(ye)打撈筒(tong)(tong)，如圖1所示，包括筒(tong)(tong)體(ti)(ti)(ti)3，筒(tong)(tong)體(ti)(ti)(ti)3的(de)(de)上(shang)端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)有(you)曲連(lian)(lian)桿(gan)2的(de)(de)一端(duan)(duan)，曲連(lian)(lian)桿(gan)2的(de)(de)另一端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)有(you)上(shang)接(jie)(jie)(jie)頭1；筒(tong)(tong)體(ti)(ti)(ti)3的(de)(de)下(xia)(xia)端(duan)(duan)與下(xia)(xia)引鞋5連(lian)(lian)接(jie)(jie)(jie)；筒(tong)(tong)體(ti)(ti)(ti)3內從(cong)上(shang)到下(xia)(xia)依次開(kai)(kai)有(you)互相連(lian)(lian)通的(de)(de)斜孔(kong)(kong)(kong)(kong)6、直(zhi)孔(kong)(kong)(kong)(kong)a7、直(zhi)孔(kong)(kong)(kong)(kong)b8及錐孔(kong)(kong)(kong)(kong)9，斜孔(kong)(kong)(kong)(kong)6的(de)(de)軸(zhou)線(xian)與筒(tong)(tong)體(ti)(ti)(ti)3的(de)(de)軸(zhou)線(xian)成銳角夾角，直(zhi)孔(kong)(kong)(kong)(kong)a7、直(zhi)孔(kong)(kong)(kong)(kong)b8及錐孔(kong)(kong)(kong)(kong)9的(de)(de)軸(zhou)線(xian)與筒(tong)(tong)體(ti)(ti)(ti)3的(de)(de)軸(zhou)線(xian)重(zhong)合(he)；直(zhi)孔(kong)(kong)(kong)(kong)a7的(de)(de)孔(kong)(kong)(kong)(kong)徑大(da)于直(zhi)孔(kong)(kong)(kong)(kong)b8的(de)(de)孔(kong)(kong)(kong)(kong)徑，在直(zhi)孔(kong)(kong)(kong)(kong)a7與直(zhi)孔(kong)(kong)(kong)(kong)b8的(de)(de)交(jiao)界處(chu)形成一圈隔環(huan)，隔環(huan)處(chu)設置有(you)活(huo)(huo)(huo)頁(ye)總(zong)成4；錐孔(kong)(kong)(kong)(kong)9為上(shang)小下(xia)(xia)大(da)正圓臺狀的(de)(de)孔(kong)(kong)(kong)(kong)。活(huo)(huo)(huo)頁(ye)總(zong)成4包括活(huo)(huo)(huo)頁(ye)卡板(ban)(ban)(ban)、扭力(li)彈簧(huang)(huang)和銷(xiao)軸(zhou)，活(huo)(huo)(huo)頁(ye)卡板(ban)(ban)(ban)的(de)(de)一端(duan)(duan)呈U形開(kai)(kai)口(kou)(kou)，活(huo)(huo)(huo)頁(ye)卡板(ban)(ban)(ban)的(de)(de)另一端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)扭力(li)彈簧(huang)(huang)，銷(xiao)軸(zhou)穿(chuan)過(guo)扭力(li)彈簧(huang)(huang)的(de)(de)中(zhong)心(xin)軸(zhou)處(chu)并緊固在所述隔環(huan)上(shang)，活(huo)(huo)(huo)頁(ye)卡板(ban)(ban)(ban)U形開(kai)(kai)口(kou)(kou)端(duan)(duan)的(de)(de)張(zhang)開(kai)(kai)度不小于90°，如此活(huo)(huo)(huo)頁(ye)卡板(ban)(ban)(ban)開(kai)(kai)口(kou)(kou)端(duan)(duan)可繞銷(xiao)軸(zhou)以最大(da)張(zhang)開(kai)(kai)度為90°范圍內活(huo)(huo)(huo)動(dong)，然后在扭力(li)彈簧(huang)(huang)的(de)(de)作用(yong)下(xia)(xia)回復(fu)原(yuan)位。

優(you)選地，曲連桿2為(wei)七(qi)分(fen)桿徑(jing)(jing)(jing)22.225mm；直孔(kong)(kong)a7的(de)孔(kong)(kong)徑(jing)(jing)(jing)為(wei)50+/-1mm；直孔(kong)(kong)b8的(de)孔(kong)(kong)徑(jing)(jing)(jing)為(wei)46+/-1mm；筒體3的(de)外徑(jing)(jing)(jing)為(wei)58+/-1mm；下(xia)引鞋5的(de)外徑(jing)(jing)(jing)為(wei)60+/-1mm。

本實用新型是(shi)(shi)一種(zhong)油(you)(you)(you)田修(xiu)井(jing)、打(da)(da)撈(lao)(lao)等作業(ye)中(zhong)(zhong)，油(you)(you)(you)管內(nei)抽(chou)(chou)油(you)(you)(you)桿(gan)(gan)斷裂落入(ru)泵筒(tong)(tong)后(hou)(hou)，針對落入(ru)泵筒(tong)(tong)中(zhong)(zhong)的油(you)(you)(you)桿(gan)(gan)桿(gan)(gan)型及外露(lu)(油(you)(you)(you)桿(gan)(gan)或油(you)(you)(you)桿(gan)(gan)接箍(gu)(gu))情況，進(jin)行一體(ti)化(hua)綜(zong)合打(da)(da)撈(lao)(lao)的油(you)(you)(you)桿(gan)(gan)打(da)(da)撈(lao)(lao)工具(ju)。不論(lun)油(you)(you)(you)管內(nei)斷裂油(you)(you)(you)桿(gan)(gan)外露(lu)是(shi)(shi)油(you)(you)(you)桿(gan)(gan)部(bu)分還是(shi)(shi)油(you)(you)(you)桿(gan)(gan)接箍(gu)(gu)部(bu)分，上接頭1連接打(da)(da)撈(lao)(lao)油(you)(you)(you)桿(gan)(gan)，下(xia)(xia)放至(zhi)(zhi)油(you)(you)(you)桿(gan)(gan)落魚魚頂(ding)上方1-2米處時，緩慢下(xia)(xia)放，并在井(jing)口正向輕度旋轉，將魚頂(ding)通過(guo)下(xia)(xia)引鞋5引入(ru)筒(tong)(tong)體(ti)3內(nei)，隨著(zhu)筒(tong)(tong)體(ti)3繼續下(xia)(xia)入(ru)，魚頂(ding)穿(chuan)(chuan)(chuan)入(ru)筒(tong)(tong)體(ti)3內(nei)，經過(guo)活(huo)頁(ye)(ye)總成(cheng)(cheng)4時頂(ding)開活(huo)頁(ye)(ye)，魚頂(ding)從(cong)筒(tong)(tong)體(ti)3偏上方斜孔6處穿(chuan)(chuan)(chuan)出(chu)，下(xia)(xia)入(ru)一段距離至(zhi)(zhi)魚頂(ding)下(xia)(xia)部(bu)的油(you)(you)(you)桿(gan)(gan)接箍(gu)(gu)穿(chuan)(chuan)(chuan)過(guo)活(huo)頁(ye)(ye)總成(cheng)(cheng)4后(hou)(hou)，上提該(gai)打(da)(da)撈(lao)(lao)筒(tong)(tong)，打(da)(da)撈(lao)(lao)過(guo)程中(zhong)(zhong)注意觀察(cha)修(xiu)井(jing)車指重表噸位變化(hua)情況，可依(yi)次反(fan)復(fu)上提下(xia)(xia)放2-3次并加大打(da)(da)撈(lao)(lao)筒(tong)(tong)的下(xia)(xia)入(ru)深度，確保魚頂(ding)下(xia)(xia)部(bu)抽(chou)(chou)油(you)(you)(you)桿(gan)(gan)接箍(gu)(gu)穿(chuan)(chuan)(chuan)過(guo)活(huo)頁(ye)(ye)總成(cheng)(cheng)4，然后(hou)(hou)勻速上提該(gai)打(da)(da)撈(lao)(lao)筒(tong)(tong)，活(huo)頁(ye)(ye)總成(cheng)(cheng)4會牢牢卡住落魚油(you)(you)(you)桿(gan)(gan)接箍(gu)(gu)，將油(you)(you)(you)管內(nei)抽(chou)(chou)油(you)(you)(you)桿(gan)(gan)順(shun)利打(da)(da)撈(lao)(lao)出(chu)地面(mian)。

本實用(yong)新型結構簡單、使用(yong)方便、成(cheng)本低(di)廉、通用(yong)性強、可(ke)靠性高，在打撈油管內油桿落魚(yu)時，無論(lun)魚(yu)頂(ding)是(shi)油桿部分(fen)還是(shi)油桿接箍部分(fen)，均(jun)可(ke)實現一次(ci)性成(cheng)功打撈，高效完成(cheng)作業。