CN101749027A - Multi-adaptive cutter head for shield machine - Google Patents
Multi-adaptive cutter head for shield machine Download PDFInfo
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- CN101749027A CN101749027A CN201010031345A CN201010031345A CN101749027A CN 101749027 A CN101749027 A CN 101749027A CN 201010031345 A CN201010031345 A CN 201010031345A CN 201010031345 A CN201010031345 A CN 201010031345A CN 101749027 A CN101749027 A CN 101749027A
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Abstract
The invention discloses a multi-adaptive cutter head for a shield machine. The cutter head is provided with four cutter seats, three cutters directly fixed with the cutter head and movable cutters. Each cutter seat comprises a central double-edge hob seat, an exchangeable cutter seat, an inner and outer ring side-mounted cutter seat and a peripheral hob seat. The cutters include a peripheral scraper, an over cutter and a fishtail cutter. A main cutting surface of the cutter head is composed of a single-edge hob inlaid in the peripheral hob seat, a cutting blade in the inner and outer ring side-mounted cutter seat and the fishtail cutter; and a full section cutting cutter assembly is composed of a double-edge hob, a single-edge hob, a cutting blade, a peripheral scraper, an over cutter and a fishtail cutter. The multi-adaptive cutter head solves the problem that cutter replacement wastes time and labor, changes the traditional mounting mode to effectively prolong the service life of the cutter because the whole cutter works under a relatively smaller force, and can properly adjust the kind and the number of the cutters according to different geological conditions to effectively improve the adaptability of the cutter head of the shield machine and increase the efficiency and the quality of the tunnel shield.
Description
Technical field
The invention belongs to road heading machinery, be specifically related to a kind of cutter head that is used for to carry out on the shield machine different cutter combination configurations.
Background technology
Underground construction adopts shield machine to carry out constructing tunnel more and more widely at present, will directly influence the performance and the efficient of shield machine as its structure of cutter head of one of shield machine key equipment.At home and abroad employed shield machine in the infrastructure constructions such as city underground tunnel, subaqueous tunnel and water supply and draining tunnel is special construction apparatus.Particularly the type that cutterhead is fixed a cutting tool in the shield machine, position and aperture opening ratio etc. all are according to geological condition and specialized designs, adopt hobboing cutter as the rock location, and weak soil geology then adopts cutting knife etc.This according to geological condition and custom-designed cutterhead after construction is finished, also can only under identical geological conditions, just can be repeated to use.Even be the designed cutter head of shield machine of specific geology, also often because the complexity of geological conditions, as one section rock, one section silt in the construction line, perhaps rock and silt mixing etc., make that all cutter head of shield machine is difficult to adapt to, bring many problems to normal construction, thereby cause constructional difficulties.
In existing shield machine design, the hobboing cutter assembling that is used for rock cutting is muzzle-loading, and hobboing cutter is changed relatively difficulty midway, and abnormally dangerous.Thereby make cutter head of shield machine enter underground after, only otherwise have big defective,, also can tunnel down, thereby the compliance of cutterhead reduces always even geology changes, the drivage efficiency of cutterhead and speed are affected.If a kind of cutter head of shield machine that can both adapt to different geological conditions can be provided, then be that the institute of the sector asks, proposition of the present invention can be satisfied this requirement.
Summary of the invention
The purpose of this invention is to provide a kind of cutter head of shield machine that different cutter combinations are configured to be adapted to different geological conditions that carries out.
Below structure design principle of the present invention is described: the multi-adaptive cutter head that is used for shield machine, have the single-blade hobboing cutter, the cutter of backbreaking, all edge doctors, fish tail cutter, twolip hobboing cutter, cutting knife, cutter and serrated knife etc. in advance, for selecting different cutters, so on cutter head of shield machine, be provided with four kinds of tool rests according to different soil property situations.Be center twolip hob head, interchangeability tool rest, side-mounted tool rest, peripheral hobboing cutter tool rest, its structure is: two center twolip hob heads are from inside to outside with the distance that is less than or equal to cutterhead body radius 1/3 symmetric arrangement linearly; Several interchangeability tool rests from inside to outside with the distance that accounts for cutterhead body radius 1/3～4/5 along circumference in the shape of a spiral line distribute, and tool rest to be divided into horizontal vertical two row be that round dot is cross hairs and arranges with cutterhead body center; Side-mounted tool rest is divided into the outer ring and inner ring is arranged, the side-mounted tool rest of outer ring is made as eight row and is divided into four groups, every group two row, and the side-mounted tool rest of four groups of outer rings is disposed at equal distance between two row interchangeability tool rests; The side-mounted tool rest of two groups of inner rings is arranged in the two ends of fish tail cutter; Four peripheral hobboing cutter tool rests are arranged on the side of the interchangeability tool rest of cutterhead outermost end, and four peripheral hobboing cutter tool rests are spiral of Archimedes along the cutterhead circumference and distribute, and the distance between each peripheral hobboing cutter tool rest equates.Inlay the twolip hobboing cutter in the twolip hob head of center; Inlay the single-blade hobboing cutter in the interchangeability tool rest; Inlay cutting knife in the side-mounted tool rest of outer ring; Also embedding cutting knife in the side-mounted tool rest of inner ring; Also embedding single-blade hobboing cutter in peripheral hobboing cutter tool rest.Four kinds of tool rests and with constituting of different cutters the multi-adaptive cutter head of shield machine (as Fig. 1).
On cutter head of shield machine, be provided with four kinds of tool rests, have three kinds of cutters directly and cutter head of shield machine be fixed together.Its structure is: all edge doctors are fixed on the outermost end of the side-mounted tool rest in every row outer ring; Two cuttves of backbreaking are fixed on the side-mounted tool rest middle (outermost end of cutterhead) of any one group of outer ring, and two cuttves of backbreaking become 180 degree symmetric arrangement on cutterhead; The fish tail cutter is fixed on a section of cutterhead body centre point.The design feature of multi-adaptive cutter head is: be embedded in the single-blade hobboing cutter in the interchangeability tool rest, in the peripheral hobboing cutter tool rest, with the cutting knife that is embedded in the side-mounted tool rest of inside and outside circle, and the fish tail cutter constitutes main cutting face, and the single-blade hobboing cutter on the cutterhead, twolip hobboing cutter, cutting knife, all edge doctors, backbreak cutter and fish tail cutter constitute full section cutting tool combination.
According to the different geology section that runs in the concrete work progress, different geological conditions, tool category on the in good time change cutterhead and quantity reach life-span that prolongs complete machine and the purpose of increasing work efficiency.The concrete operating mode of constructing can be divided into following four kinds of situations: (1) soil property is mainly sand, and hardness ratio is less, and epigranular when flowability is better, can disassemble the hobboing cutter on the tool rest fully, increases aperture opening ratio with this, increases work efficiency.(2) soil property is mainly clay, though hardness is less, fluidity is relatively poor, hobboing cutter can be replaced by cutter in advance, helps the cutting of clay like this.(3) soil property is mainly a layer rock, has certain rigidity, and is mobile bad, if with general cutter or cutting knife in advance, then wearing and tearing are more serious, the life-span of cutter shortens greatly, can prolong the repacking of the hobboing cutter on the hob head serrated knife cutter life and raise the efficiency this moment.(4) soil property is mainly the bigger rock of hardness ratio, no matter uses cutter in advance, cutting knife or serrated knife; its wearing and tearing are all quite serious, and can install hobboing cutter this moment, can be with the part rock grinding in cutting; reduced the hardness of cutting, the purpose that reaches the protection cutter and increase work efficiency.
Description of drawings
Fig. 1 is an invention design principle structure diagram.
The structure diagram that Fig. 2 twolip hobboing cutter of the present invention is connected with tool rest
Fig. 3 is that the A-A of Fig. 2 is to sectional view.
Fig. 4 is single-blade hobboing cutter of the present invention and interchangeability tool rest structure diagram thereof.
Fig. 5 is serrated knife of the present invention and interchangeability tool rest structure diagram thereof.
Fig. 6 is the present invention go ahead of the rest cutter and interchangeability tool rest structure diagram thereof.
The specific embodiment
Below by specific embodiment theory structure of the present invention is further described.Balancing earth-pressure shielding machine adaptability cutterhead is formed (as Fig. 1) by cutterhead body, interchangeability tool rest and cutter three parts.Its concrete structure is: two center twolip hob heads 1 with the distance that is less than or equal to cutterhead body 2 radiuses 1/3 symmetric arrangement linearly, are inlayed twolip hobboing cutter 3 in the center twolip hob head 1 from inside to outside.11 interchangeability tool rests 4 from inside to outside with the distance that accounts for cutterhead body 2 radiuses 1/3～4/5 along circumference in the shape of a spiral line distribute, and it is that round dot is the cross hairs layout with cutterhead body 2 centers that all interchangeability tool rests 4 are divided into horizontal vertical two row, inlays single-blade hobboing cutter 5 in the interchangeability tool rest 4.The side-mounted tool rest 6-1 of outer ring is made as eight row and is divided into four groups, every group two row, and the side-mounted tool rest 6 of four groups of outer rings is disposed at equal distance between two row interchangeability tool rests 4, inlays cutting knife 7 in the side-mounted tool rest 6 of outer ring.The outermost end of the side-mounted tool rest 6 in every row outer ring is provided with all edge doctors 8.Two cuttves 9 of backbreaking are positioned at the outermost end of the cutterhead body 2 in the middle of the side-mounted tool rest 6 of any one group of outer ring, and two cuttves of backbreaking are spent symmetric arrangement for 9 one-tenths 180.Four peripheral hobboing cutter tool rests 10 are arranged on the side of the interchangeability tool rest 4 of cutterhead outermost end, four peripheral hobboing cutter tool rests 10 are positioned at cutter diameter 4/5～5/6 circumference one-tenth spiral of Archimedes arranged in form in other words, the distance that each peripheral hobboing cutter tool rest is 10 equates, also embedding single-blade hobboing cutter 5 in peripheral hobboing cutter tool rest 10.Centre point at cutterhead body 2 is provided with one section fish tail cutter 11, and the side-mounted tool rest 6-2 of inner ring is arranged in the two ends of fish tail cutter 11.The side-mounted tool rest 6-2 of 12 inner rings is divided into two groups, and 6 every group are staggered, also embedding cutting knife 7 in the side-mounted tool rest 6-2 of inner ring.Constitute main cutting face by single-blade hobboing cutter 5, cutting knife 7 and fish tail cutter 11; Constitute full section cutting tool combination by single-blade hobboing cutter 5, twolip hobboing cutter 3, cutting knife 7, all edge doctors 8, backbreak cutter 9 and fish tail cutter 11.
Twolip hobboing cutter 3 is installed in the twolip hob head 1, but cutter 16 in advance also can be installed.Concrete structure is: twolip hobboing cutter tool rest side has Baltimore groove, twolip hobboing cutter 3 or in advance cutter 16 be fixed on by abnormity nut 12, screw 13 and the axis 14 that has a wedge shape axle head in the groove of twolip hob head 1 (as Fig. 2 Fig. 3).Twolip hob head 1 is welded on the cutterhead body 2 from the back, constitutes box-type back of the body assembling structure.Single-blade hobboing cutter 5 is installed in the interchangeability tool rest 4, but serrated knife 15 also can be installed or cutter 16 in advance is installed.Interchangeability tool rest 4 sides also are provided with Baltimore groove, serrated knife 15 or in advance cutter 16 usefulness abnormity nuts 12, screw 13 and the axis 14 that has a wedge shape axle head are fixed on the groove interior (as Fig. 4～6) of interchangeability tool rest 4 sides.Interchangeability tool rest 4 is welded on the cutterhead body 2 from the back, constitutes box-type back of the body assembling structure.Single-blade hobboing cutter 5 is fixed on the peripheral hobboing cutter tool rest 10 by abnormity nut 12, screw 13 and the axis 14 that has a wedge shape axle head, and single-blade hobboing cutter 5 also can be axially fixed on the frame of interchangeability tool rest 4 by axis 14 and the bearing that has the wedge shape axle head simultaneously.Cutting knife 7 is a carbide bit, and cutting knife 7 is fixed by bolts in the side-mounted tool rest 6-2 of the side-mounted tool rest 6-1 of outer ring and inner ring, and the side-mounted tool rest of inside and outside circle is welded on the cutterhead body 2.
By the combine and assemble of interchangeable tool rest and different types of cutter, can adapt to the efficient driving under the multiple geology operating mode, and make the operability of cutter changing stronger.
Cutterhead body diameter in this example is 6300mm.The twolip hob head is positioned at cutter diameter 2100mm circumference and radially linearly is symmetrically distributed.Interchangeability tool rest 4 is positioned at cutter diameter 2100mm～4800mm circumference inner vortex evenly to be arranged, each interchangeability tool rest center arrangement spacing is 110mm.The interchangeability tool rest specifically be of a size of 580mm * 450mm * 500mm.Periphery hobboing cutter tool rest 10 is the spiral of Archimedes layout, spacing 60mm beyond being positioned at cutter diameter 4800mm circumference.The diameter of single-blade, twolip hobboing cutter is Φ 432mm, and the wide 120mm of serrated knife 17 cuttves exceeds the panel distance and is 95mm, and the wide 60mm of cutter 13 cuttves exceeds the panel distance and is 135mm in advance, and the wide 120mm of cutting knife 7 cuttves exceeds the panel distance and is 95mm, and registration is 6mm.
Beneficial effect of the present invention is: (1) has solved and has changed the shortcoming that cutter is wasted time and energy, from the cutterhead back side or the side tool changing of dregs groove all than being easier to; (2) changed traditional mounting means, thereby the power that whole cutter is subjected in the course of the work is relatively little, has effectively prolonged cutting-tool's used life; (3) can be according to different geological conditions, kind and the quantity of in good time adjustment cutter have effectively been improved the adaptability of cutter head of shield machine, have improved efficient and the quality of shield structure.
Claims (6)
1. the multi-adaptive cutter head that is used for shield machine, have tool rest, single-blade hobboing cutter, the cutter of backbreaking, all edge doctors, fish tail cutter, twolip hobboing cutter, cutting knife, go ahead of the rest cutter and serrated knife, it is characterized in that: two center twolip hob heads (1) with the distance that is less than or equal to cutterhead body (2) radius 1/3 symmetric arrangement linearly, are inlayed twolip hobboing cutter (3) from inside to outside in the center twolip hob head (1); Several interchangeability tool rests (4) from inside to outside with the distance that accounts for cutterhead body (2) radius 1/3～4/5 along circumference in the shape of a spiral line distribute, and all interchangeability tool rests (4) to be divided into horizontal vertical two row be that round dot is cross hairs and arranges with cutterhead body (2) center; Inlay single-blade hobboing cutter (5) in the interchangeability tool rest (4), the side-mounted tool rest (6-1) of outer ring is made as eight row and is divided into four groups, every group two row, and the side-mounted tool rest (6) of four groups of outer rings is positioned at disposed at equal distance between the two row interchangeability tool rests (4); Inlay cutting knife (7) in the side-mounted tool rest (6) of outer ring, the outermost end of the side-mounted tool rest in every row outer ring (6) is provided with all edge doctors (8); Two cuttves of backbreaking (9) are positioned at the outermost end of the cutterhead body (2) in the middle of the side-mounted tool rest (6) of any one group of outer ring, and two cuttves of backbreaking (9) become 180 degree symmetric arrangement; Four peripheral hobboing cutter tool rests (10) are arranged on the side of the interchangeability tool rest (4) of cutterhead outermost end, distance between each peripheral hobboing cutter tool rest (10) equates, also embedding single-blade hobboing cutter (5) in peripheral hobboing cutter tool rest (10), centre point at cutterhead body (2) is provided with one section fish tail cutter (11), the side-mounted tool rest (6-2) of two groups of inner rings is arranged in the two ends of fish tail cutter (11), the side-mounted tool rest (6-2) of 12 inner rings is divided into two groups, every group 6 are staggered, also embedding cutting knife (7) in the side-mounted tool rest (6-2) of inner ring is by single-blade hobboing cutter (5), cutting knife (7) and fish tail cutter (11) constitute main cutting face; Constitute full section cutting tool combination by twolip hobboing cutter (3), single-blade hobboing cutter (5), cutting knife (7), all edge doctors (8), the cutter of backbreaking (9) and fish tail cutter (11).
2. according to the described multi-adaptive cutter head that is used for shield machine of claim 1, it is characterized in that installing in the described twolip hob head (1) twolip hobboing cutter (3); Or cutter (16) in advance is installed, twolip hobboing cutter (3) or in advance cutter (16) be fixed in the groove of twolip hob head (1) by abnormity nut (12), screw (13) and the axis (14) that has a wedge shape axle head, twolip hob head (1) is welded on the described cutterhead body (2) from the back, constitutes box-type back of the body assembling structure.
3. according to the described multi-adaptive cutter head that is used for shield machine of claim 1, it is characterized in that installing in the described interchangeability tool rest (4) single-blade hobboing cutter (5); Or installation serrated knife (15); Or cutter (16) in advance is installed, serrated knife (15) or in advance cutter (16) be fixed in the groove of interchangeability tool rest (4) side with abnormity nut (12), screw (13) and the axis (14) that has a wedge shape axle head, interchangeability tool rest (4) is welded on the described cutterhead body (2) from the back, constitutes box-type back of the body assembling structure.
4. according to claim 1 or the 3 described multi-adaptive cutter heads that are used for shield machine, it is characterized in that described single-blade hobboing cutter (5) is fixed on the described peripheral hobboing cutter tool rest (10) by axis (14), abnormity nut (12), the screw (13) that has the wedge shape axle head.
5. according to claim 1 or the 3 or 4 described multi-adaptive cutter heads that are used for shield machine, it is characterized in that described single-blade hobboing cutter (5) is axially fixed on the frame of described interchangeability tool rest (4) by axis (14) and the bearing that has the wedge shape axle head.
6. according to the described multi-adaptive cutter head that is used for shield machine of claim 1, it is characterized in that described cutting knife (7) is a carbide bit, cutting knife (7) is fixed by bolts in the side-mounted tool rest (6-2) of the side-mounted tool rest (6-1) of described outer ring and inner ring, and the side-mounted tool rest of inside and outside circle is welded on the cutterhead body (2).
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| CN2010100313455A CN101749027B (en) | 2010-01-13 | 2010-01-13 | Multi-adaptive cutter head for shield machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100313455A CN101749027B (en) | 2010-01-13 | 2010-01-13 | Multi-adaptive cutter head for shield machine |
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| CN101749027A true CN101749027A (en) | 2010-06-23 |
| CN101749027B CN101749027B (en) | 2012-04-18 |
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| CN102364049A (en) * | 2011-10-19 | 2012-02-29 | 中铁隧道装备制造有限公司 | Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof |
| CN102364049B (en) * | 2011-10-19 | 2014-03-12 | 中铁隧道装备制造有限公司 | Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof |
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