黑龍江省雙鴨山市東榮三礦的1.5Mta新井設(shè)計【含CAD圖紙+文檔】

黑龍江省雙鴨山市東榮三礦的1.5Mta新井設(shè)計【含CAD圖紙+文檔】,含CAD圖紙+文檔,黑龍江省,雙鴨山市,榮三,mta,設(shè)計,cad,圖紙,文檔 The emergency is slopeed on the coal bed to sum up to pluck The slanting coal bed is asked for a few minutes component that the slanting coal bed roof pressure uprightness hurried actes as to be used on stand either the coal post than postponeing ，But greatly along component that slopes the action ，The plank at coal bed peak base wholly slips along the trend probably ，The stand stability is bad ，As a result ading the complexity that extraction and sheltered work. Face pedestrian mines coal 、Transport stuff 、Coal drops 、Shelter 、The various workman sequence operation is collecting spece area handle and so on wholly comparatively more difficult ，Add the difficulty that the mechanize was mined coal . Oridinarily ，Hurry that the slanting coal bed has wholly udergo that the intense geology alters ，The geological structure is more complex ，The surrounding rock term is bader ；Mining coal beside , the face carryes forward velocity slowly ，Extraction leading is leted drop .As a result heads for length and asks for a few minutes than postponeing the slanting coal bed in the collecting area . The key that successful in the great dip coal bed ordinary set of use being living was mined coal is properly resolving the good coal_winning machine 、Conveyer and stand antisliping problem . Guard against the main step of coal_winning machine glide slope station from possesing ： （1）Revising as the coal_winning machine anchor chain draws and gurrantees rated tractive effort ； （2）Being living the level fixs the secure windlass antisliping ，Supplementarily draw the coal_winning machine ； （3）When the plank conveyer is fleeced in the slanting coal bed face of 450 left and right sides emergency in case being living ，The coal_winning machine is fixed the staff antisliping . The face conveyer step antisliping possess ： （1）Nose and tail all solder antisliping to fix the post pedestal admittedly ，Strikeing firmly antislips to fix admittedly the post ； （2）Being living the level installs the windlass antisliping ； （3）Have to sticing to moves when being living the transportation conveyer afterwards moves the order down earlier ，Move the tail to fix upper part in face admittedly earlier ，Move the middle part trough again .The middle part trough ought to add the provisional post to fix admittedly by the burst . Guarding against the face stand glide slope station step is ： Adopt brining the base beam three posts parallel face shacks ，Liang Tou is docked ；Build the treadle antisliping between two rows of posts .With personnel staff old and young and the task doing being convenient for . The synthesis is mined coal , and necessary installation consists of twin cylinder coal_winning machines 、Support style hydraulic pressure stand 、The emulsify fluid pump awaits . Composition and technique feature that the cylinder coal_winning machine is mined coal In 1976 manufactures experimently out MJW-80's mould coal_winning machine the March ，Such main master succeeds partly to be possess ：Electric motor ，Box decelerates ，Cylinder ，Low wheel stand ，The stand is in turn in the peak ，Suspending hoists the set ，Slips to sled and so on .The action that the stand is in turn in the peak is the cutting depth that causes the coal_winning machine maintain specified .The base wheel stand action is transferring to a lower level the direction in the interest of the coal_winning machine along the coal breastwork in face ，Moreover avert the coal_winning machine to topple over .Sliing the action which sledd is decreasing the obstruction that the coal_winning machine is living the plank slip at base ，Moreover cause cylinder tooth-tip together with coal bed base plank maintain the specified distance ，Avert the cylinder to cut the photographic plate in coal bed . Cylinder coal_winning machine fixing up of face .Elder 40~50's rice of face ，Along slopes to fix up ，Along heads for carry forward .Practice proof ，Cut in the process ，The face will take shape against heads for the slant face that the string succeeds 80~85's degree angle of intersection certainly （Upper part is leaded ）。Draw outside the coal_winning machine adopts the means ，Drawing the windlass fixs in the recirculation air alley inner place .The natural law shelves are build up in the upper site in face ，Used to remove directing towards to the coal_winning machine .The guide of coal_winning machine joins with a hinge against the hydraulic pressure stand ，Pass in the way of the hoisting jack .Moving an order is transportation from bottom to top . Extraction technology The main dependence self-esteem of coal_winning machine is feed ，Through gets off but goes up along the plank at base cuts the coal ，The coal on peak randomly sends out by self .The coal_winning machine competent till the face extremity is ，Cease to draw voluntarily .Afterwards ，By the coal_winning machine transfers to a lower level up the face gets off the extremity ，Dealing with to in turn the sky shelf newly removes forward to lay equal stress on ，Be underway down more once severring the coal .The coal that the face is plucked gets off the extremity since gliding up the face ，Along the alley on slope glide to carry in the alley transport aircraft 。The coal_winning machine burden electric cable is fixd synchronously ruing together against drawing the cord admittedly .In the extraction process ，The face is not underway sheltering ，Since the fact that the surrounding rock is comparatively steadyd ，The extraction perioc does not oridinarily send out . Synthetical mechanize is mined coal Being living to sum up plucks inner place the face ，Mine coal by the use cylinder coal_winning machine ，Sheltering piece tries out the distinct shapes mechanize stand ，In case the entirety removes the curve screen stand （Abbreviation curve stand ），Self moves curve screen stand and the screen style hydraulic pressure stand and awaits the sectioning The curve stand - cylinder coal_winning machine is sum up to pluck That installation succeeds through below three section masters chiefly ：Curve stand ，The cylinder coal_winning machine is with draws installation The curve stand is may entirety the person who removes the rigid structure 。Makes in the way of the H-beam in the mine in the way of 25.4 state-owned jin of /'s rice of stand base beam ，The uprightness is build to the face ，Per is brief 0.8 meter elder ，Along slopes 0.4 meter of clearance .Remove obstruction in order to decrease ，Liang Jianshe at base possess two rows of local villains .The H-beam is employd in the mine that Quan Chang of base beam top along the face build five rows of /'s rice of 25.4 state-owned jin ，In it near the face three rows as the coal_winning machine the track ，Two rows near the collecting spece area feed that propping up the curve H-beam employ .Be living over the curve H-beam ，Build thick 1~3's millimetre plate in the interest of shelters the plank .The horn is sheltered in the way of angle iron in the curve H-beam peak .Curve .The curve stand extremity going up is go up the extremity and is sheltered the plank .The curve stand gets off the extremity to join with a hinge against sleing the plank . The cylinder coal_winning machine consists of the electric motor of 17 kilowatts ，One decelerates the box ，And cylinder .The cylinder diameter possess 970 ，1170The millimetre is two kinds ，Severring very possess 250 ，200，150The millimetre is 3 kinds . That the recirculation air alley reaches leades in with the trough ，Builds up 5.5 kilowatts of prop drawing one in windlasses respectively ，Used to draw the coal_winning machine with removes the curve stand . Thick 1.0~1.5's rice of the coal of face ，Coal bed dip 56~64's degree ，Slanting elder 11~35's rice of face ，On the basis of practice effect ，Optimumly slantingly develop in the interest of 15~25's rice . Before the coal_winning machine is mined coal ，Earlier in the way of the hand pick extraction engine nest .Queen is locateed by the coal_winning machine ，In immediate future may be living windlass draws secondly ，Through below upwards cuts the coal .The coal plucked gos into gliding the little aperture of coal since gliding ，Transport out after fleecing the plank transport aircraft again .Pluck through sword queen ，By the coal_winning machine transfers to a lower level up the face gets off the extremity .Afterwards ，Old and young draws the curve stand and moves to the coal breastwork by the windlass ，Go on cutting the coal .Accepts when acting as in extraction face ，Dimolish the curve stand from bottom to top .Self moves curve screen stand - cylinder coal_winning machine and sums up to pluck two sectionings The above-mentioned defect removing the curve screen stand in order to overcome entirety ，Adoping the sectioning , self moves the curve screen stand and reaches such cylinder coal_winning machine .The sectioning self to move the curve screen stand act as the stiff stand ，Is not being used for directly propping up the roof with slices the peak .Such main component part possess ：Pedestal ，Curve beam ，Screen plank ，Prop ，That the direction joins to reach moves a hydraulic pressure hoisting jack to await .The pedestal through has joined against face uprightness and parallel two seriess of mines in the way of the H-beam ，In it act as the coal_winning machine track concurrently in the way of the H-beam near two rows of mines on the coal breastwork .The curve beam gets off the extremity to be solidityd scheduled to the pedestal ，Middle upper part is in the way of the crossbeam against its uprightness even together .Curve Liang Yuqi wholly adopts the mine to manufacture in the way of the H-beam by the crossbeam .The screen plank takes to ward off the waste action ，Its slight plate through thick 3~4's millimetre is make ，Solidity the curve beam on in the way of the screw .The preceding extremity of curve beam is living ，Be getting near the taut screen plank in the way of steel band either angle iron .Prop use Φ76χ6The seamless steel tube of millimetre is make ，Install crossbeam and pedestal between .Emploing to have gyro wheel direction between the sectioning of stand joins being linked together .Moves a hydraulic pressure hoisting jack to be the stand self the person who moves main apparatus ，The sure enough is invariably antisliped inner place the plank below joint part that it sets up to the stand sectioning along with the stand .Entire stand lower part ，There is the plank invariably antisliping ，Used to stand complete glide slope station force of stand ，Moreover the most second one length of removing orientation of stand of control .Its reason “Sedan ”，Bring guide plank sleing and hydraulic pressure hoisting jack to make up .“Sedan ”The top together with the most second one length of stand joins with a hinge ，The next is packed four wheels and is ride to be living sleing on the plank guide .The rails in the way of 43 state-owned jin of /'s rice of guide is make ，Sleing the plank fixs to be living leading with the base plank of trough . The coal_winning machine is ride the stand track on and is rund .Before mining coal ，F(xiàn)irst of all being living , gets off the extremity and turns on the good engine nest in the face .Afterwards the coal is cut in the coal_winning machine upriver ，The hollow range is transferred to a lower level .Deal with the coal_winning machine to transfer to a lower level when the lower part of face ，Move the shelf more from bottom to top . Beginning moves hour ，The plank hydraulic pressure hoisting jack earlier emploing invariably to antislip is sledd the guide that the plank peak comees out ，Afterwards remove next first length of stand .When moving that length of stand ，Plank hydraulic pressure hoisting jack invariably antislips “Accept vat ”Draw that length of stand with forward ；Meanwhile ，In the way of first ，Moving hoisting jack between two lengths of stands pushes first length of stand forward .Now ，F(xiàn)irst length of stand is living ，Hoisting jack of below site pushes to draw along with the rear to send out , and the waste side thrust action is geted off ，Move before may achieving .Henceforth ，In the way of the analogous means ，Every sectioning over removing successively stand . The main problem that this law is a stand Gong ，Some props ，Connector cracks .In the interest of resolves these issues ，Puing out the screen style hydraulic pressure stand - cylinder coal_winning machine sums up to pluck installation . Three screen style hydraulic pressure stand - cylinder coal_winning machine Single post style screen style hydraulic pressure stand - cylinder coal_winning machine Equally thickness in face is 1.1 meters of dip 56~60's degrees 。In the interest of the compensation stand micro glide slope station ，The fake slanting condition that leades into the lower part is fixed up in the face ，The fake slanting included angle that face together with coal bed slope between the string is in the interest of 5~6's degree .The hydraulic pressure stand uprightness is fixed up to the coal breastwork .47 meters of Quan Chang in the face ，Is living upper part slanting elder 16.5 meters inner place the limit install 16 lengths of single post style screen style hydraulic pressure stands ，The made of wood prop stand yet employd in the work of the lower part . Per two hydraulic pressure stands join in the way of the direction even succeeing one series .Moving a means adopts the sectioning to move the shelf from bottom to top . Face use self-control 30 kilowatts of cylinder coal_winning machines are mined coal ，Drawing the means inner place the coal_winning machine adopts draws . That installation havees safe and reliablely ，Strongs point such as labour intensity base and so on .Yet also being some stand components injures easily ，Lean before the stand ，The coal_winning machine severs very （0.8Rice ）Against moves Bu Ju's adaption is harmfully along with the coal_winning machine problem such as runs not firmly and so on . Twin post screen style hydraulic pressure stands ---Cylinder coal_winning machine Twin post screen style hydraulic pressure stands ---The cylinder coal_winning machine is sum up to pluck installation is living that the single post style screen style hydraulic pressure stand - cylinder coal_winning machine is sum up to pluck and is improved on the installation base .Twin post screen style hydraulic pressure stands ，Too calling brief the supporting with the hand beam thrusts the leg screen style hydraulic pressure stand ，It is main through supports with the hand the beam ，Pedestal ，The components constitute hoisting jack of hydraulic pressure prop with moves and so on Hydraulic pressure stand every sectioning ，Being living joins even together in the way of the direction on the face .Moving the shelf dives out length being underway from bottom to top . Horizontal three posts of hydraulic pump in the interest of XRB's mould are squeezeed in the emulsify fluid pump ，70 liters of rate of flow /'s branch ，Pressure 150 state-owned jin of /s centimetres 2 .The fuel tank is in the interest of XRS's mould emulsion box ，The volume is 640 liters . Being living , is separately install the coal_winning machine security windlass in recirculation air alley and transportation alley ，The taut cord windlass is one different .Before the coal_winning machine is mined coal ，Act good face old and young's engine nest earlier ，The coal_winning machine is mined coal according to the upriver ，Means work that the hollow range is transferred to a lower level .Up the transport aircraft alley in the transport aircraft transporting out of the coal of extraction since glides . Practice makes known ：Hurry that the thick coal bed of slanting Bao Jizhong employs to sum up plucking the set to mine coal and remarkbly cut down the labour intensity of worker ，Lift labour productivity ；Being living , the hydraulic pressure is doed below the stand ，The roof fall mishap easily not happen ，It is safe and reliable ；The yield in face be able to be liftd ，Consumption of degradution stuff ；Be able to lift the extraction in coal quality and face leads ；This kind is mined coal that the means is the development orientation in the days to come ，Yet the installation being living is at the moment prepareed to go up the application yet being a lot the problem ，Await to improve further . Reference ： Xu Yongqi edits The coal mine is extractd studying Chinese mining industry university press 1999 Li Qifeng edits The exploitation in coal bed is slopeed to the emergency Coal industry press 1984 Xu Yongqi edits The technique is developed together with the prospect coal journal is extractd that in the sbterranean in coal mine 1997  急傾斜煤層上綜采 摘要：我國開采急斜煤層的產(chǎn)量比重不大，據(jù)1996年統(tǒng)計，國有重點煤礦開采急斜煤層的產(chǎn)量占3.73%。由于開采急斜煤層有一些特殊困難，在采煤機械化和改善生產(chǎn)技術(shù)經(jīng)濟指標(biāo)方面都還存在不少問題。 關(guān)鍵字： 急傾斜 煤層 機械化 Summary：The our country mines the yield specific weight of the nasty and inclined coal seam not very, according to 1996 covariance, the state-owned point coal mine mines the yield of the nasty and inclined coal seam occupies 3.73%.Because mining nasty and inclined coal seam contain special some difficulty, at adopt coal mechanization with improve to produce the economic index sign in technique to all still exsits not a few problems. Key word：Nasty inclination Coal seam Mechanization 急斜煤層采煤的主要特點如下： 急斜煤層頂板壓力垂直作用于支架或煤柱上的分力比緩斜煤層要小，而沿傾斜作用的分力要大，煤層頂?shù)装宥加锌赡苎貎A向滑動，支架穩(wěn)定性差，因而增加了回采和支護工作的復(fù)雜性。 采煤工作面的行人、運料、落煤、支護、采空區(qū)處理等各項工序的操作都比較困難，增加了機械化采煤的難度。 一般來說，急斜煤層都經(jīng)歷過強烈的地質(zhì)變動，地質(zhì)構(gòu)造較復(fù)雜，圍巖條件較差；再加上采煤工作面推進速度慢，采出率較低。因而采區(qū)走向長度比緩斜煤層要小。 在大傾角煤層中成功的使用普通機組采煤的關(guān)鍵是妥善地解決好采煤機、輸送機和支架的防滑問題。 防止采煤機下滑的主要措施有： 將采煤機改為錨鏈牽引并保證額定牽引力； 在上平巷安裝防滑安全絞車，輔助牽引采煤機； 在450左右的急斜煤層工作面設(shè)刮板輸送機時，采煤機安裝防滑桿。 工作面輸送機的防滑措施有： 機頭和機尾均焊有防滑固定柱底座，打牢防滑固定柱； 在上平巷安設(shè)防滑絞車； 在移置輸送機時必須遵守先移上后移下的順序，先移并固定工作面上部的機尾，再移中部槽。中部槽應(yīng)分段增加臨時柱固定。 防止工作面支架下滑的措施是： 采用帶底梁的一梁三柱平行工作面棚子，梁頭對接；兩排柱間鋪設(shè)防滑腳踏板。以便于工作人員上下和作業(yè)。 綜合采煤配套設(shè)備包括雙滾筒采煤機、支撐式液壓支架、乳化液泵等。 滾筒采煤機采煤的結(jié)構(gòu)和技術(shù)特征 1976年3月試制出MJW-80型采煤機，其主要主成部分有：電動機，減速箱，滾筒，低輪支架，頂輪支架，懸吊裝置，滑橇等。頂輪支架的作用是使采煤機保持一定的切割深度。底輪支架的作用是為采煤機沿工作面煤壁下放導(dǎo)向，并避免采煤機傾倒。滑橇的作用是減少采煤機在底板滑動的阻力，并使?jié)L筒齒尖與煤層底板保持一定距離，避免滾筒切割煤層底版。 滾筒采煤機工作面的布置。工作面長40~50米，沿傾斜布置，沿走向推進。實踐證明，切割過程中，工作面將自然形成與走向線成80~85度交角的斜面（上部超前）。采煤機采用外牽引方式，牽引絞車安裝在回風(fēng)巷內(nèi)。工作面上方設(shè)天倫架，用于對采煤機移動進行導(dǎo)向。采煤機的導(dǎo)軌與液壓支架鉸接，用千斤頂推移。移架順序是自下而上移置。 回采工藝 采煤機主要依靠自重進刀，由下而上沿底板進行割煤，頂煤隨機自行冒落。采煤機行至工作面上端是，自動停止?fàn)恳?。然后，將采煤機下放到工作面下端，待將天輪架向前移動并重新加以固定后，再進行下一次截煤。工作面采落的煤自溜到工作面下端，沿斜坡巷溜入運輸巷的運輸機中。采煤機的負荷電纜與牽引繩固定在一起同步運行。回采過程中，工作面不進行支護，由于圍巖比較穩(wěn)定，回采期間一般不冒落。 綜合機械化采煤 在綜采工作面內(nèi)，采煤使用滾筒采煤機，支護則試用不同形式的機械化支架，如整體移動弧形掩護支架（簡稱弧形支架），分節(jié)自移弧形掩護支架和掩護式液壓支架等 弧形支架-滾筒采煤機綜采 該設(shè)備主要由以下三部分主成：弧形支架，滾筒采煤機和牽引設(shè)備 弧形支架是可以整體移動的剛性結(jié)構(gòu)。支架的底梁用25.4公斤/米的礦用工字鋼制成，垂直于工作面鋪設(shè)，每根長約0.8米，沿傾斜間距0.4米。為了減少移動阻力，底梁間設(shè)有兩排地棍。底梁上面沿工作面全長鋪設(shè)五排25.4公斤/米的礦用工字鋼，其中靠工作面的三排作為采煤機的跑道，靠采空區(qū)的兩排供支撐弧形工字鋼用。在弧形工字鋼的上面，鋪設(shè)厚1~3毫米的鋼板為護板。弧形工字鋼的頂端用角鋼護角?；⌒巍；⌒沃Ъ艿纳隙嗽O(shè)有上端護板?；⌒沃Ъ芟露伺c橇板鉸接。 滾筒采煤機包括一個17千瓦的電動機，一個減速箱，和一個滾筒。滾筒直徑有970，1170毫米兩種，截深有250，200，150毫米三種。 回風(fēng)巷及超前順槽中，各設(shè)5.5千瓦回柱絞車一臺，用于牽引采煤機和移動弧形支架。 工作面的煤厚1.0~1.5米，煤層傾角56~64度，工作面斜長11~35米，根據(jù)實踐效果，最佳斜長為15~25米。 采煤機采煤之前，先用手鎬采出機窩。采煤機定位后，即可在上絞車的牽引下，由下向上割煤。采落的煤炭自溜進入溜煤小眼，再經(jīng)刮板運輸機運出。采完一刀后，將采煤機下放到工作面下端。然后，上下絞車牽引弧形支架移向煤壁，繼續(xù)割煤?；夭晒ぷ髅媸兆鲿r，自下而上拆除弧形支架。 分節(jié)自移弧形掩護支架-滾筒采煤機的綜采 為了克服整體移動弧形掩護支架的上述缺點，采用了分節(jié)自移弧形掩護支架及其滾筒采煤機。分節(jié)自移弧形掩護支架為剛性支架，不是用來直接支撐頂板和切頂。其主要組成部分有：底座，弧形梁，掩護板，支柱，導(dǎo)向接頭及移架液壓千斤頂?shù)?。底座由與工作面垂直和平行的兩組礦用工字鋼連接而成，其中靠煤壁的兩排礦用工字鋼兼作采煤機跑道。弧形梁下端固定于底座，中上部用一根與它垂直的橫梁連在一起。弧形梁與其橫梁都采用礦用工字鋼制作。掩護板起擋矸石作用，它由厚3~4毫米的薄鋼板制成，用螺釘固定于弧形梁上。在弧形梁的前端，用扁鋼或角鋼壓緊掩護板。支柱用Φ76χ6毫米的無縫鋼管制成，安設(shè)于橫梁和底座之間。支架的分節(jié)之間用帶有滾輪的導(dǎo)向接頭相連。移架液壓千斤頂是支架自移的主要用具，它分設(shè)于支架分節(jié)的連接處以及支架下端的總防滑板內(nèi)。整個支架的下部，設(shè)有總防滑板，用于承受支架全部下滑力，并控制最下一節(jié)支架的移動方向。它由“小車”，帶導(dǎo)軌的橇板及液壓千斤頂組成。“小車”的上面與最下一節(jié)支架鉸接，下面裝有四個輪子騎在橇板的導(dǎo)軌上。導(dǎo)軌用43公斤/米的鋼軌制成，橇板安裝在超前順槽的底板上。 采煤機騎在支架的跑道上運行。采煤前，首先在工作面下端開好機窩。然后采煤機上行割煤，空程下放。待采煤機下放到工作面下部時，再自下而上進行移架。 開始移架時，先用總防滑板的液壓千斤頂將導(dǎo)軌橇板頂出，然后移動下面第一節(jié)支架。移該節(jié)支架時，總防滑板的液壓千斤頂“收缸”以向前牽引該節(jié)支架；與此同時，用第一，二節(jié)支架間的移架千斤頂向前推第一節(jié)支架。此時，第一節(jié)支架在上，下方千斤頂?shù)耐评约昂蠓矫奥漤肥膫?cè)推力作用下，可實現(xiàn)前移。此后，用類似的方法，依次移動以上各分節(jié)的支架。 此法存在的主要問題是支架拱起，某些支柱，接頭斷裂。為解決這些問題，推出了掩護式液壓支架-滾筒采煤機綜采設(shè)備。 掩護式液壓支架-滾筒采煤機 單柱式掩護式液壓支架-滾筒采煤機 工作面平均厚度為1.1米傾角56~60度