JPH0223677B2 - - Google Patents

Info

Publication number
JPH0223677B2
JPH0223677B2 JP57062563A JP6256382A JPH0223677B2 JP H0223677 B2 JPH0223677 B2 JP H0223677B2 JP 57062563 A JP57062563 A JP 57062563A JP 6256382 A JP6256382 A JP 6256382A JP H0223677 B2 JPH0223677 B2 JP H0223677B2
Authority
JP
Japan
Prior art keywords
earth
sand
rotor
housing
partition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP57062563A
Other languages
Japanese (ja)
Other versions
JPS58195696A (en
Inventor
Kyoshi Tsucha
Minoru Shiosaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP6256382A priority Critical patent/JPS58195696A/en
Publication of JPS58195696A publication Critical patent/JPS58195696A/en
Publication of JPH0223677B2 publication Critical patent/JPH0223677B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【発明の詳細な説明】 本発明は、小口径用シールド掘進機に関するも
のである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a small diameter shield tunneling machine.

シールドハルの前面開口部にカツターホイルを
回転可能に軸承すると共に、そのカツターホイル
の後方に隔壁を設けてカツターホイルと隔壁との
間にチヤンバーを形成し、カツターホイルの回転
により掘削した土砂をチヤンバー内に取り込み、
そのチヤンバ内に取り込んだ土砂を隔壁の後方に
配設した土砂排土装置を経て機外へ排出するよう
にした小口径用シールド掘進機においては、チヤ
ンバー内の土砂を隔壁の後方に配設した土砂排出
装置に供給するためにスクリユーコンベアまたは
ロータリーフイーダが用いられている。
A cutter wheel is rotatably supported in the front opening of the shield hull, and a partition is provided behind the cutter wheel to form a chamber between the cutter wheel and the partition, and excavated earth and sand are taken into the chamber by rotation of the cutter wheel.
In a small-diameter shield excavator, the earth and sand taken into the chamber are discharged outside the machine through an earth and sand removal device placed behind the bulkhead. Screw conveyors or rotary leaf feeders are used to feed the sediment ejector.

しかし、小口径用シールド掘進機では、スクリ
ユーコンベア使用の場合、そこに使用するスクリ
ユーコンベアの径に制限があるため、大きな礫が
ある場合には排出することができないという問題
がある。また、ロータリーフイーダを使用する場
合には、一般に液密性を保つためにロータの羽根
の1ピツチ分の土砂取込口と土砂排出口とが設け
られているため、チヤンバー内の土砂がロータリ
ーフイーダの土砂取込口に入り難く、このため土
砂排出能率が悪いという問題がある。
However, when a screw conveyor is used in a small-diameter shield excavator, there is a limit to the diameter of the screw conveyor used, so there is a problem in that large gravel cannot be discharged. In addition, when using a rotary leaf feeder, there is generally a sand intake port and a sand discharge port for one pitch of the rotor blades to maintain liquid tightness, so the dirt in the chamber is There is a problem in that it is difficult to enter the soil intake port of the feeder, and therefore the soil discharge efficiency is poor.

本発明は、前記の如き従来技術の問題点を改善
し、チヤンバー内の土砂を能率よく排出すること
ができる小口径用シールド掘進機を提供すること
を目的とする。
SUMMARY OF THE INVENTION An object of the present invention is to provide a small-diameter shield excavator that can improve the problems of the prior art as described above and efficiently discharge earth and sand within a chamber.

本発明は、前記の如き目的を達成するため、チ
ヤンバーを形成する隔壁にロータリーフイーダを
装着し、そのロータリーフイーダから排出された
土砂をシールドハル内に配設した土砂排出装置に
より機外に排出すべくなした小口径用シールド掘
進機において、前記ハウジングを円筒形状の胴部
とその両端の蓋板とから構成すると共に、ロータ
の羽根を少なくとも5枚とし、かつ、前記土砂取
込口を、ロータの羽根の全ピツチから3ピツチ引
いた差のピツチ分だけハウジングの胴部および両
蓋板を切欠いた状態で形成し、他方、前記土砂吐
出口を、ロータの羽根の1ピツチ分だけハウジン
グの胴部および蓋板を切欠いた状態で形成したこ
とを特徴とする。
In order to achieve the above-mentioned object, the present invention includes a rotary leaf feeder attached to a partition wall forming a chamber, and the earth and sand discharged from the rotary leaf feeder is discharged outside the machine by a sand discharge device disposed inside the shield hull. In a small-diameter shield excavator designed to discharge soil, the housing is composed of a cylindrical body and a lid plate at both ends thereof, the rotor has at least five blades, and the earth and sand intake port is , the body and both cover plates of the housing are cut out by a pitch equal to the difference of 3 pitches from the total pitch of the rotor blades, and the earth and sand discharge port is cut out by a pitch of 1 pitch of the rotor blades into the housing. It is characterized by having its body and lid plate cut out.

本発明の小口径用シールド掘進機は、ロータリ
ーフイーダを前記の如く構成したので、土砂取込
口を少なくともロータの羽根の2ピツチ分の大き
なものにして土砂の取込み性能を向上させると共
に、その土砂取込口と土砂吐出口との間にハウジ
ングとロータとにより構成された少なくともロー
タ羽根1ピツチ分の液密部を構成することができ
る。
Since the small-diameter shield excavator of the present invention has the rotary leaf feeder configured as described above, the earth and sand intake port is made as large as at least two pitches of the rotor blades, and the earth and sand intake performance is improved. A liquid-tight part for at least one rotor blade can be constructed between the earth and sand intake port and the earth and sand discharge port, which is formed by the housing and the rotor.

以下、本発明の小口径用シールド掘進機の一実
施例を第1図ないし第4図について説明する。
Hereinafter, an embodiment of the small-diameter shield tunneling machine of the present invention will be described with reference to FIGS. 1 to 4.

本発明の小口径用シールド掘進機は、円筒形状
のシールドハル1の前面開口部にバルクヘツド3
および隔壁板3aとからなる隔壁を設け、そのバ
ルクヘツド3にカツターホイル2の周辺部を軸受
13を介して回転可能に装着する。すなわち、軸
受13を回転側のカツターホイルに固設する。前
記シールドハル1内に減速機付電動機12を装備
し、その減速機付電動機12の出力軸にピニオン
15を固定し、一方前記軸受13の内周側面13
bに噛合歯を刻設し、その噛合歯にピニオン15
を噛合させてカツターホイル2を減速機付電動機
12により回転し得るように構成する。前記カツ
ターホイル2の周辺部と前記シールドハル1およ
びバルクヘツド3との間にシール材14を介装す
る。前記カツターホイル2の前面にカツタービツ
ト19を多数突設し、一方カツターホイル2の後
面に土砂掻揚撹拌手段としてのコーン部22を、
カツターホイル2の後面から隔壁の前面にかけて
外側から内側に傾斜した漏斗形状に突設する。
The small-diameter shield tunneling machine of the present invention has a bulkhead 3 at the front opening of a cylindrical shield hull 1.
and a partition wall plate 3a, and the peripheral portion of the cutter wheel 2 is rotatably mounted on the bulkhead 3 via a bearing 13. That is, the bearing 13 is fixed to the rotating cutter wheel. A motor 12 with a reduction gear is installed in the shield hull 1, and a pinion 15 is fixed to the output shaft of the motor 12 with a reduction gear.
A meshing tooth is carved in b, and a pinion 15 is attached to the meshing tooth.
The cutter wheel 2 is constructed so that it can be rotated by the electric motor 12 with a reduction gear by meshing with the cutter wheel 2. A sealing material 14 is interposed between the periphery of the cutter foil 2 and the shield hull 1 and bulkhead 3. A large number of cutter bits 19 are protruded from the front surface of the cutter foil 2, and a cone portion 22 as soil scraping and stirring means is provided on the rear surface of the cutter foil 2.
The cutter foil 2 is provided projecting from the rear surface of the cutter foil 2 to the front surface of the partition wall in a funnel shape inclined from the outside to the inside.

前記隔壁にロータリーフイーダ6を装着する。
すなわち、シールドハル1に設けたバルクヘツド
3に隔壁板3aを固定し、その隔壁板3aの中央
に透孔を開設し、該隔壁板3aの透孔の周縁にロ
ータリーフイーダ6の取付板103を、ロータリ
ーフイーダ6の土砂取込口30の中心Oがシール
ドハル1の中心軸より下方に位置し、かつロータ
リーフイーダ6の回転軸110がシールドハル1
の径方向に隔壁板3aに沿つて位置するように取
付ける。
A rotary feeder 6 is attached to the partition wall.
That is, the bulkhead plate 3a is fixed to the bulkhead 3 provided on the shield hull 1, a through hole is formed in the center of the bulkhead plate 3a, and the mounting plate 103 of the rotary feeder 6 is installed around the periphery of the through hole of the bulkhead plate 3a. , the center O of the earth and sand intake port 30 of the rotary leaf feeder 6 is located below the central axis of the shield hull 1, and the rotation axis 110 of the rotary leaf feeder 6 is located below the center axis of the shield hull 1.
It is installed so that it is located along the partition wall plate 3a in the radial direction of the partition wall plate 3a.

前記ロータリーフイーダ6は、第2図乃至第4
図に示すように、ハウジング10と、ロータ11
とからなる。ハウジング10は円筒形状の胴部1
00の上下両端に上蓋板101と下蓋板102と
をそれぞれ固定すると共に、該胴部100の外側
面に取付板103を突設する。前記ロータ11は
回転軸110に少なくとも5枚の羽根111を等
間隔に植設する。このロータ11の回転軸110
の両端を前記ハウジング10に軸受112により
回転可能に軸承する。このハウジング10の上蓋
板101、胴部100、下蓋板102に土砂取込
口30を、ロータ11の羽根111の全ピツチか
ら3ピツチ引いた差の2ピツチ分設け、一方胴部
100、下蓋板102に土砂吐出口31をロータ
11の羽根111の1ピツチ分設ける。前記ハウ
ジング10に搭載した油圧モータ32と回転軸1
10とをチエーン、スプロケツト113により連
動させ、前記油圧モータ32を駆動することによ
りロータ11が回転するように構成する。
The rotary feeder 6 is shown in FIGS.
As shown in the figure, a housing 10 and a rotor 11
It consists of. The housing 10 has a cylindrical body 1
An upper cover plate 101 and a lower cover plate 102 are respectively fixed to the upper and lower ends of the body part 100, and a mounting plate 103 is provided to protrude from the outer surface of the body part 100. The rotor 11 has at least five blades 111 mounted on a rotating shaft 110 at equal intervals. Rotating shaft 110 of this rotor 11
Both ends of the housing 10 are rotatably supported by bearings 112. Sediment intake ports 30 are provided on the upper cover plate 101, the body part 100, and the lower cover plate 102 of this housing 10 by 2 pitches, which is the difference of 3 pitches from the total pitch of the blades 111 of the rotor 11, while the body part 100, A dirt discharge port 31 is provided in the lower cover plate 102 for one pitch of the blades 111 of the rotor 11. Hydraulic motor 32 and rotating shaft 1 mounted on the housing 10
10 are interlocked by a chain and sprocket 113, and the rotor 11 is rotated by driving the hydraulic motor 32.

シールドハル1内には、土砂排出装置としての
ベルトコンベア7を、そのベルトコンベア7の土
砂取入側を前記ロータリーフイーダ6の土砂吐出
口31の下方に近接させ、かつ着脱可能に取付
け、このベルトコンベア7に他のベルトコンベア
7′を適宜所要数連設する。なお、このシールド
ハル1内には適宜所要数のシールドジヤツキ9を
配列すると共に、動力盤17、パワーユニツト2
0、潤滑パワーユニツト21、オイルタンク23
等が配設されている。
Inside the shield hull 1, a belt conveyor 7 as a sand discharge device is removably installed with the sand intake side of the belt conveyor 7 being close to the bottom of the sand discharge port 31 of the rotary leaf feeder 6. A required number of other belt conveyors 7' are installed in series with the belt conveyor 7. In addition, a required number of shield jacks 9 are arranged within this shield hull 1, and a power panel 17 and a power unit 2 are also arranged.
0, lubrication power unit 21, oil tank 23
etc. are arranged.

本発明の小口径用シールド掘削機は、上記の如
き構成よりなるので、カツターホイル2を駆動し
て地山の切羽を掘削すると、掘削土砂は一旦チヤ
ンバー24内に取込まれ、コーン部22により撹
拌されてロータリーフイーダ6、ベルトコンベア
7,7′を介して機外に排出される。
Since the small-diameter shield excavator of the present invention has the above-described configuration, when the cutter wheel 2 is driven to excavate the face of the earth, the excavated earth and sand are once taken into the chamber 24 and stirred by the cone part 22. and is discharged outside the machine via the rotary feeder 6 and belt conveyors 7, 7'.

このとき、本発明においては、ロータリーフイ
ーダのハウジング10を、円筒形状の胴部100
とその両端の蓋板101,102とから構成する
と共に、ロータ11の羽根111を少なくとも5
枚とし、かつ、土砂取込口30を、ロータの羽根
の全ピツチから3ピツチ引いた差のピツチ分(実
施例においては2ピツチ分)だけハウジングの胴
部100および上下の蓋板101,102を切欠
いた状態で形成し、他方、土砂吐出口31を、ロ
ータの羽根の1ピツチ分だけ胴部100および下
蓋板102を切欠いた状態で形成したので、土砂
取込口30は少なくともロータの羽根2ピツチ分
が大きく開口しており、その上、ハウジングは胴
部のみならず上下の蓋板をも切欠いているので、
土砂や礫をどの方向からでも取込むことができ、
このため土砂を効率よく取り込むことができると
共に、その土砂取込口30を土砂吐出口31との
間にハウジング10とロータ11とにより構成さ
れた少なくともロータの羽根1ピツチ分の液密部
を構成することができる。
At this time, in the present invention, the housing 10 of the rotary leaf feeder is
and cover plates 101 and 102 at both ends thereof, and at least five blades 111 of the rotor 11.
and the earth and sand inlet 30 is arranged in the body part 100 of the housing and the upper and lower lid plates 101, 102 by the pitch difference (2 pitches in the embodiment) obtained by subtracting 3 pitches from the total pitch of the rotor blades. On the other hand, the earth and sand discharge port 31 is formed by cutting out the body part 100 and the lower cover plate 102 by one pitch of the rotor blade, so the earth and sand intake port 30 is formed by cutting out at least one pitch of the rotor blade. The opening is large enough to fit two blades, and the housing has not only a cutout in the body but also in the top and bottom lid plates.
Sediment and gravel can be taken in from any direction,
Therefore, the earth and sand can be taken in efficiently, and a liquid-tight part for at least one blade of the rotor, which is constituted by the housing 10 and the rotor 11, is formed between the earth and sand intake port 30 and the earth and sand discharge port 31. can do.

また、本発明においては、ロータ11を、回転
軸110に植設した羽根111のみにより構成
し、かつ、ハウジングは胴部のみならず蓋板をも
切欠いた状態で土砂吐出口31を形成したので、
粘土質の土砂の場合でも土砂が重力により落下し
て排出効率を向上させることができる。
Further, in the present invention, the rotor 11 is constituted only by the blades 111 installed on the rotating shaft 110, and the earth and sand discharge port 31 is formed in the housing by cutting out not only the body but also the cover plate. ,
Even in the case of clayey earth and sand, the earth and sand will fall due to gravity, improving drainage efficiency.

以上述べたように、本発明は、小口径のシール
ド掘進機であるにも拘らず、チヤンバー内に取込
んだ掘削土砂を効率よく排出することができる効
果がある。
As described above, the present invention has the effect of efficiently discharging the excavated earth and sand taken into the chamber, although it is a small-diameter shield excavator.

【図面の簡単な説明】[Brief explanation of drawings]

添付図面は本発明の小口径用シールド掘進機の
一実施例を示し、第1図は断面図、第2図は第1
図の−線断面図、第3図は第1図の−線
断面図、第4図は第1図の−線断面図であ
る。 1…シールドハル、2…カツターホイル、3…
バルクヘツド、6…ロータリーフイーダ、7…ベ
ルトコンベア、10…ロータリーフイーダのハウ
ジング、11…同ロータ、30…同土砂取込口、
31…同土砂吐出口。
The attached drawings show an embodiment of the small-diameter shield tunneling machine of the present invention, and FIG. 1 is a cross-sectional view, and FIG.
FIG. 3 is a cross-sectional view taken along the line -- in FIG. 1, and FIG. 4 is a cross-sectional view taken along the line -- in FIG. 1. 1... Shield hull, 2... Cutter foil, 3...
bulk head, 6... rotary leaf feeder, 7... belt conveyor, 10... housing of rotary leaf feeder, 11... rotor, 30... earth and sand intake port,
31...Soil discharge port.

Claims (1)

【特許請求の範囲】[Claims] 1 シールドハルの前面開口部の内側に隔壁を設
け、その隔壁もしくはシールドハルにカツターホ
イルの周辺部を回転可能に軸承してカツターホイ
ルと隔壁との間にチヤンバーを形成し、その隔壁
にロータリーフイーダ装着し、かつ該ロータリー
フイーダは、ハウジング中に複数の羽根を等間隔
に植設したロータを回転可能に軸受すると共に、
そのロータリーフイーダを土砂取込口がチヤンバ
ーに面し、土砂吐出口が隔壁の後方に面するよう
に隔壁に配設し、そのロータリーフイーダから排
出された土砂をシールドハル内に配設した土砂排
出装置により機外に排出すべくなした小口径用シ
ールド掘進機において、前記ハウジングを円筒形
状の胴部とその両端の蓋板とから構成すると共
に、ロータの羽根を少なくとも5枚とし、かつ、
前記土砂取込口を、ロータの羽根の全ピツチから
3ピツチ引いた差のピツチ分だけハウジングの胴
部および両蓋板を切欠いた状態で形成し、他方、
前記土砂吐出口を、ロータの羽根の1ピツチ分だ
けハウジングの胴部および蓋板を切欠いた状態で
形成したことを特徴とする小口径用シールド掘進
機。
1. A partition is provided inside the front opening of the shield hull, and the peripheral part of the cutter foil is rotatably supported on the partition or the shield hull to form a chamber between the cutter foil and the partition, and a rotary leaf feeder is attached to the partition. and the rotary leaf feeder rotatably bears a rotor having a plurality of blades planted at equal intervals in a housing, and
The rotary leaf feeder was installed on the bulkhead so that the earth and sand intake port faced the chamber and the earth and sand discharge port faced the rear of the bulkhead, and the earth and sand discharged from the rotary leaf feeder was placed inside the shield hull. In a small-diameter shield tunneling machine which is designed to be discharged outside the machine by an earth and sand discharge device, the housing is composed of a cylindrical body and a cover plate at both ends thereof, and the rotor has at least five blades, and ,
The earth and sand intake port is formed by cutting out the body part of the housing and both cover plates by a pitch equal to the difference of three pitches from the total pitch of the rotor blades, and on the other hand,
A small-diameter shield excavator, characterized in that the earth and sand discharge port is formed by cutting out the body of the housing and the cover plate by one pitch of the rotor blade.
JP6256382A 1982-04-16 1982-04-16 Shield drilling machine for small diameter Granted JPS58195696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6256382A JPS58195696A (en) 1982-04-16 1982-04-16 Shield drilling machine for small diameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6256382A JPS58195696A (en) 1982-04-16 1982-04-16 Shield drilling machine for small diameter

Publications (2)

Publication Number Publication Date
JPS58195696A JPS58195696A (en) 1983-11-14
JPH0223677B2 true JPH0223677B2 (en) 1990-05-24

Family

ID=13203869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6256382A Granted JPS58195696A (en) 1982-04-16 1982-04-16 Shield drilling machine for small diameter

Country Status (1)

Country Link
JP (1) JPS58195696A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54136731A (en) * 1978-04-17 1979-10-24 Minoru Yamamoto Muck takinggin device of shield excavator
DE2841088C2 (en) * 1978-09-21 1982-04-08 Bergwerksverband Gmbh Method and device for drying and preheating coking coal in a single entrained flow tube
JPS6038800Y2 (en) * 1979-09-21 1985-11-19 日立造船株式会社 Earth removal device for shield excavator

Also Published As

Publication number Publication date
JPS58195696A (en) 1983-11-14

Similar Documents

Publication Publication Date Title
CN216930726U (en) Agricultural planting in agricultural machine field is with equipment of digging
JPH0223677B2 (en)
KR101264762B1 (en) Earth-moving equipment
CN210315734U (en) Portable storage channel dredging device
JP4230588B2 (en) Shield excavator
JP2006299759A (en) Shield machine with crushing mechanism
JPH0150760B2 (en)
JPH0354240Y2 (en)
JPS5813450B2 (en) Discharge device for powder, granules, chips, etc.
CN118414965B (en) Mud discharging device for water chestnut harvester
JPS603200Y2 (en) Earth removal device for shield type tunnel excavator
JP3339415B2 (en) Excavator
RU2176009C2 (en) Ground intake of suction-tube dredger
SU108155A1 (en) Soil ripper to suction sucker
JP3695440B2 (en) Shielding machine earth removal equipment
JPS6015837Y2 (en) Gravel crushing device in excavated soil using mud water shield
JPH0150759B2 (en)
JPS602477B2 (en) tunnel boring machine
KR850007119A (en) Sealed Tunnel Excavator
JPS6038799Y2 (en) Excavation soil stirring device of shield excavator
JP2000120387A (en) Underground excavator
JPS5918516B2 (en) shield tunneling machine
JPS6123113Y2 (en)
JPS6340554Y2 (en)
JPH0527594Y2 (en)