JP2013530323A - 削岩リグおよび下り坂運転方法 - Google Patents
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- 239000011435 rock Substances 0.000 title claims abstract description 83
- 238000005553 drilling Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004146 energy storage Methods 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 1
- 238000005381 potential energy Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
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- E21—EARTH OR ROCK DRILLING; MINING
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- E21B7/00—Special methods or apparatus for drilling
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Abstract
【選択図】図4
Description
Claims (17)
- 可動キャリア(2)と、
削岩リグ(1)の移動運転を行なう燃焼エンジンフリー駆動装置(16)とを含み、該駆動装置(16)は、少なくとも1つの電気駆動モータ(M)、ならびに該駆動モータ(M)および少なくとも1つの駆動輪(19)の間の動力伝動部材(18)を含み、
前記移動運転で使用される電気エネルギーを蓄積できる少なくとも1つのエネルギー貯蔵部(B)を含む電気システムと、
該電気システムに接続された少なくとも1つの電気モータ(33、55)が駆動する少なくとも1つのポンプ(34、54)により圧力媒体の圧力および流れを内部に生成する少なくとも1つの圧力媒体システム(V)と、
前記キャリア(2)に対して移動可能であり、削岩機(6)を備えた少なくとも1つのブーム(3a、3b)と、
前記各システムを制御する少なくとも1つの制御手順を含む少なくとも1つの制御ユニット(C)とを含み、
前記駆動モータ(M)は、長時間下り坂運転において発電機および主ブレーキとして機能し、
前記制御ユニット(C)は、前記電気システムをモニタし、下り坂運転で発生する電気エネルギーを制御して前記エネルギー貯蔵部(B)を充電する削岩リグにおいて、
前記制御ユニット(C)は制御手順を含み、該制御手順に従って前記制御ユニット(C)は、下り坂運転で発生する余剰の電気エネルギーを前記電気システムが十分に消費しないときに、少なくとも1つの圧力媒体システム(V)を起動し、これにより電気エネルギーの消費を前記圧力媒体システムによって意図的に増加させることができることを特徴とする削岩リグ。 - 請求項1に記載の削岩リグにおいて、
前記制御ユニット(C)は制御手順を含み、該制御手順に従って前記制御ユニット(C)は、減速で発生する電気エネルギーを消費する前記システムの能力を考慮して下り坂運転の速度を制御することを特徴とする削岩リグ。 - 請求項1または2に記載の削岩リグにおいて、
該削岩リグ(1)は穿孔液圧システム(13)を含み、
前記制御システム(C)は制御手順を含み、該制御手順に従って前記制御ユニット(C)は前記穿孔液圧システム(13)を起動して下り坂運転中に余剰の電気エネルギーを消費することを特徴とする削岩リグ。 - 前記請求項のいずれかに記載の削岩リグにおいて、
前記圧力媒体システム(V)は、圧力損失を生じさせる少なくとも1つの液圧部品(52)を備え、
前記制御ユニット(C)は下り坂運転中に前記部品(52)を起動するよう構成され、これにより前記圧力媒体システム(V)のエネルギー消費が増加することを特徴とする削岩リグ。 - 前記請求項のいずれかに記載の削岩リグにおいて、
該削岩リグ(1)は少なくとも1つの圧搾空気システム(50)を含み、
前記制御装置(C)は制御手順を含み、該制御手順に従って前記制御ユニット(C)は下り坂運転中に前記圧搾空気システム(50)を起動することを特徴とする削岩リグ。 - 前記請求項のいずれかに記載の削岩リグにおいて、
前記制御ユニット(C)は、下り坂運転中に、前記圧力媒体システム(V)によって生成される圧力媒体を制御して、前記電気システムに含まれる少なくとも1つの電気部品(K)を冷却するように構成されていることを特徴とする削岩リグ。 - 前記請求項のいずれかに記載の削岩リグにおいて、
該削岩リグ(1)は、前記電気システムに含まれる少なくとも1つの電気部品(K)を冷却する少なくとも1つの液体冷却システム(21)を含み、
前記制御ユニット(C)は下り坂運転のために前記液体冷却システム(21)を起動することを特徴とする削岩リグ。 - 請求項7に記載の削岩リグにおいて、
前記圧力媒体システム(V)は、下り坂運転中に前記液体冷却システム(21)の冷却液を冷却するよう構成されていることを特徴とする削岩リグ。 - 前記請求項のいずれかに記載の削岩リグにおいて、
前記制御ユニット(C)は、少なくとも1つの圧力媒体システム(V、13)に接続された少なくとも1つの圧力媒体駆動アクチュエータ(7、8、10、15)を下り坂運転中に起動してエネルギー消費を増加させるように構成され、これにより当該アクチュエータは、該アクチュエータが提供する基本動作を必要とせずに起動されることを特徴とする削岩リグ。 - 前記請求項のいずれかに記載の削岩リグにおいて、
前記電気システムは、下り坂運転で発生する余剰の電気エネルギーを熱に変換する少なくとも1つの制動用電気抵抗(20)を含むことを特徴とする削岩リグ。 - たかだか電気駆動装置を備えた削岩リグ(1)を下り坂の走行面に沿って移動運転し、これにより該削岩リグ(1)の有する位置エネルギーを運動エネルギーとして解放し、
長時間下り坂運転中に、前記駆動装置(16)に含まれる少なくとも1つの電気駆動モータ(M)のみを主に前記削岩リグ(1)の移動を減速し、前記電気駆動モータは前記下り坂運転中は発電機として機能するよう接続され、これにより前記削岩リグ(1)の運動エネルギーは電気エネルギーに変換され、
前記下り坂運転中に発生する電気エネルギーを少なくとも1つの電気貯蔵部(B)に蓄積し、該電気貯蔵部は前記削岩リグ(1)の電気システムに含まれる削岩リグの下り坂運転方法において、該方法は、
前記下り坂運転中に発生する電気エネルギーを必要に応じて圧力エネルギーに変換して、余剰のエネルギーを消費することを特徴とする削岩リグの下り坂運転方法。 - 請求項11に記載の方法において、該方法は、
下り坂運転中に圧力エネルギーの必要性を高めてエネルギー消費を増加させること特徴とする方法。 - 請求項12に記載の方法において、該方法は、
穿孔液圧システム(13)を起動してエネルギー消費を増加させることを特徴とする方法。 - 請求項12または13に記載の方法において、該方法は、
下り坂運転中、前記削岩リグ(1)の基本動作に関係する複数のシステムの基本動作または効果を必要とせずに、これらのシステムを同時に起動することを特徴とする方法。 - 前記請求項11ないし14のいずれかに記載の方法において、該方法は、
前記エネルギー貯蔵部(B)を充電後に残る余剰の電気エネルギーを制動用抵抗(20)で熱に変換することを特徴とする方法。 - 請求項15に記載の方法において、該方法は、
下り坂運転中、前記制動用抵抗(20)をその定格負荷に対する一時的な過負荷状態にすることを特徴とする方法。 - 前記請求項11ないし16のいずれかに記載の方法において、該方法は、
下り坂運転において、前記システムの目標最大電気消費量を考慮して前記削岩リグ(1)の運転速度を最大にすることを特徴とする方法。
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