CN108590685A - A kind of replacing options tearing knife assembly and its tearing cutter - Google Patents
A kind of replacing options tearing knife assembly and its tearing cutter Download PDFInfo
- Publication number
- CN108590685A CN108590685A CN201810372660.0A CN201810372660A CN108590685A CN 108590685 A CN108590685 A CN 108590685A CN 201810372660 A CN201810372660 A CN 201810372660A CN 108590685 A CN108590685 A CN 108590685A
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- tearing
- tearing cutter
- main body
- limited block
- cutter main
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- 210000000078 claw Anatomy 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Knives (AREA)
Abstract
The invention discloses a kind of tearing knife assembly and its replacing options of tearing cutter, solve the problems, such as that tearing cutter is complicated in the prior art, it is difficult to replace.It includes tearing cutter and girff to tear knife assembly, tearing cutter includes the tearing cutter main body of wedge shape and the connection bolt for connecting tearing cutter main body and girff, it is connected with limited block and fixing nut in turn on connection bolt, limited block is provided with rotating boss close to one end of fixing nut, the side of tearing cutter main body is provided with locating piece, the rear end of tearing cutter main body is provided with the locating slot for being engaged by clamping with limited block, girff is internally provided with the wedge-shaped straight slot being engaged by clamping with tearing cutter main body, the limiting slot coordinated with locating piece block is provided on the inner wall of wedge-shaped straight slot, the rear end of girff is provided with the claw coordinated with limited block block.The tearing cutter replacing options for tearing knife assembly include the installation of tearing cutter and the dismounting of tearing cutter.Structure of the invention is novel, dismounting is convenient, has prodigious application value.
Description
Technical field
The present invention relates to cutter head of shield machine technical fields, particularly relate to a kind of replacement side tearing knife assembly and its tearing cutter
Method.
Background technology
It is more and more extensive in the application of underground engineering field, shield construction.With reaching its maturity for shield technique, shield
High buried depth, the trend of high hydraulic pressure is presented in mining sectbn, therefore the raising of construction efficiency is an important research topic.In shield
During machine underground construction, tearing cutter is main excavation function part, will be unable to continue once tearing cutter is damaged
Tunnel excavation, it is necessary to maintenance down, and tearing cutter in the prior art is complicated, replacement is very difficult, therefore existing tearing
The replacing construction of knife seriously affects the construction efficiency of shield machine.
Invention content
For the deficiency in above-mentioned background technology, the present invention proposes a kind of replacement side tearing knife assembly and its tearing cutter
Method solves the problems, such as that tearing cutter is complicated in the prior art, it is difficult to replace.
The technical proposal of the invention is realized in this way：A kind of tearing knife assembly, including tearing cutter and girff, the tearing
Knife includes the tearing cutter main body of wedge shape and the connection bolt for being connected to tearing cutter bottom part body, is sequentially connected on connection bolt limited
Position block and fixing nut, limited block are provided with rotating boss close to one end of fixing nut, and the side of tearing cutter main body is set
It is equipped with locating piece, the rear end of tearing cutter main body is provided with the locating slot for being engaged by clamping with limited block, inside the girff
The wedge-shaped straight slot being engaged by clamping with tearing cutter main body is offered, is provided on the inner wall of wedge-shaped straight slot and coordinates with locating piece block
Limiting slot, the rear end of girff are provided with the claw coordinated with limited block block.
The tearing cutter main body is the wedge block that front end is thinner than rear end, and the wedge shape straight slot matches with tearing cutter main body.
The tearing cutter main body is the wedge block that front end is narrower than rear end, and the wedge shape straight slot matches with tearing cutter main body.
There are two the locating piece settings, and two locating pieces are being torn about the symmetrical setting of center line of tearing cutter main body
The left and right sides of knife main body or upper and lower both sides, there are two limiting slot settings, two limiting slots respectively with two locating piece phases
Matching.
There are four the locating piece settings, and four locating pieces are separately positioned on the surrounding of tearing cutter main body, tearing cutter main body
Two locating pieces of upper and lower ends are symmetrical, and two locating pieces of tearing cutter main body left and right ends are symmetrical, the limit
There are four slot settings, and four limiting slots match with four locating pieces respectively.
The claw includes being arranged in the upper clipping claw of girff upper end and setting in girff lower end and corresponding with upper clipping claw
Lower claw, upper clipping claw and the corresponding side of lower claw are both provided with the card slot for block limited block, the card slot with it is fixed
Position slot is parallel.
The size and shape of the rotating boss are identical as the size and shape of fixing nut.
A kind of tearing cutter replacing options of tearing knife assembly, include the following steps：
Step 1：The installation of tearing cutter, the limited block of tearing cutter is in the outer end of locating slot, limiting block block length under original state
The center line in degree direction intersects with the center line in positioning groove length direction, and tearing cutter is promoted to the wedge of girff among claw first
In shape straight slot, the locating piece in tearing cutter main body coordinates with limiting slot block, rear end and the unlocked company of girff of tearing cutter main body
It connects；
Step 2：Rotary spacing block until limited block and locating slot correspondence, while limited block with it is right before and after claw
It answers and in claw；
Step 3：Be tightened nut, and bolt is gradually connected to girff rear end with the tearing cutter main body that screws of fixing nut
It drags, until limited block is fallen completely in locating slot, that is, completes the installation of tearing cutter；
Step 4：The dismounting of tearing cutter, unscrews fixing nut first, with unscrewing for fixing nut, the gradual quilt of tearing cutter main body
Push the front end of girff to, then locating slot and limited block are gradually disengaged, until limited block removes stopping completely out of locating slot
Unscrew fixing nut；
Step 5：Rotary spacing block makes limited block be produced out of claw perpendicular with locating slot up to limited block, then
Tearing cutter is extracted out of girff.
The center line of limited block length direction described in the step 1 and the center line phase in positioning groove length direction
Vertically, after limited block in step 2 rotates forward 90 ° with locating slot correspondence, after the limited block in step 5 inverts 90 °
It is produced out of claw.
The rotating boss that rotation and postioning abutment one are passed through to the rotation of limited block in the step 1 and step 5
It realizes, uses the rotation of allen wrench operation rotating boss and then realization limited block.
The present invention tears knife assembly and mutually matched tearing cutter and girff is arranged, and is not only simple in structure making easy to produce,
Production cost is reduced, and design structure is ingenious to accelerate construction efficiency with convenient replacing tearing cutter.It is arranged in the present invention
Connection bolt design it is very ingenious, can not only be as the rotary shaft of limited block, and can be as the company of fastener
Fitting carries out the connection of tearing cutter and girff, and the same component realizes multiple structure functions, not only reduces tearing knife assembly zero
The quantity of component, and keep the dismounting of tearing cutter more quick, fully ensure that the construction efficiency of shield machine.It is arranged and fixed
The identical rotating boss of nut size and shape can rotate fixing nut and be turned in the case where not changing allen wrench
Dynamic boss, it is convenient and efficient.Locating piece is set in tearing cutter main body, limiting slot is arranged in girff can control tearing cutter and knife
The relative position of case, convenient for quickly positioning.The tearing cutter replacing options that the present invention tears knife assembly are convenient and efficient, and step is few and item
Reason is clearly demarcated, realizes the efficient regulation of tearing cutter and changes.
Description of the drawings
In order to illustrate the embodiments of the present invention more clearly, attached drawing makees letter needed in being described below to embodiment
Singly introduce, it should be apparent that, drawings in the following description are only some embodiments of the invention, for the common skill in this field
For art personnel, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of tearing cutter in Fig. 1；
Fig. 4 is the structural schematic diagram of girff in Fig. 1；
Fig. 5 is the side structure schematic view of Fig. 4.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of not making the creative labor
Embodiment shall fall within the protection scope of the present invention.
As shown in Figures 1 to 5, embodiment 1, a kind of tearing knife assembly, including tearing cutter 1 and girff 2, the tearing cutter 1
Tearing cutter main body 101 including wedge shape and it is connected to the connection bolt 102 of 101 bottom of tearing cutter main body, the tearing cutter main body
101 are thinner than the wedge block of rear end for front end, and the nose thickness of tearing cutter main body 101 is less than the rear end thickness of tearing cutter main body 101,
The inside of the girff 2 offers the wedge-shaped straight slot 201 being engaged by clamping with tearing cutter main body 101.Tearing cutter main body 101 is arranged
It is for wedge shape and mating with the wedge-shaped straight slot 201 that is opened up in girff 2, front end of the tearing cutter main body 101 from girff can be prevented
It falls off, the reliability that tearing cutter main body 101 is connect with girff 2 has been effectively ensured.The two sides up and down of tearing cutter main body 101 are all provided with
It is equipped with locating piece 106, the limiting slot 205 coordinated with 106 block of locating piece is provided on the inner wall of wedge-shaped straight slot 201.Limiting slot
205 can be with the block cooperation in the horizontal direction of locating piece 106, can be during tearing cutter 1 is installed to tearing cutter main body
101 are effectively positioned, and the tension being connect with girff 2 for tearing cutter main body 101 or excessively loose is prevented.
One end of the connection bolt 102 is fixedly connected on the rear end of tearing cutter main body 101, connects the back segment of bolt 102
It is threaded with limited block 103 and fixing nut 104, limited block 103 is provided with rotation close to one end of fixing nut 104
Boss 105 can drive limited block 103 to be rotated around connection bolt 102 by screwing rotating boss 105.Tearing cutter main body
101 rear end is provided with the locating slot 108 for being engaged by clamping with limited block 103, can be made by rotary motion boss 105
Limited block 103 is corresponding with locating slot 108 or angled with locating slot 108.
The rear end of the girff 2 is provided with the claw coordinated with 103 block of limited block, and the claw includes being arranged in knife
The upper clipping claw 202 of 2 upper end of case and setting are in 2 lower end of girff and lower claw 203 corresponding with upper clipping claw 202,202 He of upper clipping claw
203 corresponding side of lower claw is both provided with the card slot 204 for block limited block 103, card slot 204 and locating slot 108
Parallel, i.e., when limited block 103 and 108 correspondence of locating slot, limited block 103 is also just at the card slot 204
Interior, tearing cutter 1 can be fixedly connected on girff 2 by the nut 104 that is tightened at this time.
Embodiment 2, a kind of tearing knife assembly, the tearing cutter main body 101 are left and right ends inclined wedge block forward,
The nose width of tearing cutter main body 101 is less than the rear end width of tearing cutter main body 101, the wedge shape straight slot 201 and tearing cutter master
Body 101 matches.The other structures of the present embodiment are same as Example 1.Set tearing cutter main body 101 to beloid wedge
Shape block, the relative increase cutter hub thickness compared with the wedge block of front-thin-rear-thick in embodiment 1 are opposite to enhance the strong of tearing cutter 1
Degree.
Embodiment 3, a kind of tearing knife assembly, there are two the settings of the locating piece 106, and two locating pieces 106 are about tearing
The center line of knife main body 101 is symmetrical to be arranged in the left and right sides of tearing cutter main body 101 or upper and lower both sides, the limiting slot 205
There are two settings, and two limiting slots 205 match with two locating pieces 106 respectively.The other structures of the present embodiment and embodiment 1
It is identical.The accuracy that the positioning of tearing cutter main body 101 can be improved in two pairs of symmetrical locating pieces 106 and limiting slot 205 is set, it can
It avoids causing connection loosely because tearing cutter main body 101 shakes in wedge-shaped straight slot 201.
Embodiment 4, a kind of tearing knife assembly, the size of the size and shape and fixing nut 104 of the rotating boss 105
It is identical with shape.The other structures of the present embodiment are same as Example 1.By rotating boss 105 be sized and shaped to
Fixing nut 104 is identical, fixing nut and rotating boss can be rotated in the case where not changing allen wrench, it is convenient
Fast.
Embodiment 5, a kind of tearing knife assembly, there are four the settings of the locating piece 106, and four locating pieces 106 are respectively set
Symmetrical, the tearing cutter main body in two locating pieces 106 of the surrounding of tearing cutter main body 101,101 upper and lower ends of tearing cutter main body
Two locating pieces 106 of 101 left and right ends are symmetrical, and there are four the settings of the limiting slot 205, and four limiting slots 205 are distinguished
Match with four locating pieces 106.The other structures of the present embodiment are same as Example 1.Four pairs of locating pieces 106 and limit are set
Slot 205 may further ensure that the accuracy that tearing cutter main body 101 positions in wedge-shaped straight slot 201, then also can further improve
The reliability that tearing cutter main body 101 is connect with girff 2.
Embodiment 6, a kind of tearing cutter replacing options of tearing knife assembly, the tearing knife assembly is same as Example 1,
The replacement step of tearing cutter is：
Step 1：The installation of tearing cutter 1, the limited block 103 of tearing cutter 1 is in the outer end of locating slot 108, limit under original state
The center line of position 103 length direction of block intersects with the center line of 108 length direction of locating slot, first by tearing cutter 1 from claw
Centre promotes in the wedge-shaped straight slot 201 of girff 2, and the locating piece 106 in tearing cutter main body 101 coordinates with 205 block of limiting slot, tears
The rear end for splitting knife main body 101 is not fixedly connected with girff 2；
Step 2：Rotary spacing block 103 is until limited block 103 and 108 correspondence of locating slot, while limited block 103
With claw correspondence and in claw；
Step 3：Be tightened nut 104, and the gradually connected bolt of tearing cutter main body 101 is screwed with fixing nut 104
102 drag to the rear end of girff 2, until limited block 103 is fallen completely in locating slot 108, that is, complete the peace of tearing cutter 1
Dress；
Step 4：The dismounting of tearing cutter 1 unscrews fixing nut 104 first, with unscrewing for fixing nut 104, tearing cutter main body
101 are gradually pushed to the front end of girff 2, then locating slot 108 and limited block 103 are gradually disengaged, until limited block 103 is complete
It is removed in from locating slot 108 and stops unscrewing fixing nut 104；
Step 5：Rotary spacing block 103 makes limited block 103 be produced out of claw up to limited block 103 and locating slot
108 is perpendicular, and tearing cutter 1 is then extracted out of girff 2.
Embodiment 7, a kind of tearing cutter replacing options of tearing knife assembly, as described in Example 5, described in the step 1
103 length direction of limited block center line and 108 length direction of locating slot center line it is perpendicular, the limit in step 2
Block 108 rotate forward 90 ° after with 108 correspondence of locating slot, the limited block 108 in step 5 turns after inverting 90 ° out of claw
Go out.Other steps of the present embodiment are same as Example 6.It sets the original state of limited block 103 and locating slot 108 is in 90 °
It sets, limited block 103 can be avoided to be interfered with claw and because influence is torn in the grafting tearing cutter 1 into wedge-shaped straight slot 201
Split the dismounting of knife 1.
Embodiment 8, a kind of tearing cutter replacing options of tearing knife assembly, as described in Example 5, the step 1 and step
The rotation of limited block 103 is realized by rotation and the rotating boss 105 of 103 one of postioning abutment in five, uses interior hexagonal
Spanner operates rotating boss and then realizes the rotation of limited block.Other steps of the present embodiment are same as Example 6.Using interior
Die nut is screwed and is unscrewed not only laborsaving but also convenient and efficient.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of tearing knife assembly, it is characterised in that：Including tearing cutter（1）And girff（2）, the tearing cutter（1）Including wedge shape
Tearing cutter main body（101）And it is connected to tearing cutter main body（101）The connection bolt of bottom（102）, connect bolt（102）On according to
It is secondary to be connected with limited block（103）And fixing nut（104）, limited block（103）Close to fixing nut（104）One end setting
There is rotating boss（105）, tearing cutter main body（101）Side be provided with locating piece（106）, tearing cutter main body（101）Rear end
It is provided with and is used for and limited block（103）The locating slot of clamping engagement（108）, the girff（2）Inside offers and tearing cutter
Main body（101）The wedge-shaped straight slot of clamping engagement（201）, wedge-shaped straight slot（201）Inner wall on be provided with and locating piece（106）Block
The limiting slot of cooperation（205）, girff（2）Rear end be provided with and limited block（103）The claw of block cooperation.
2. tearing knife assembly according to claim 1, it is characterised in that：The tearing cutter main body（101）It is thinner than for front end
The wedge block of rear end, the wedge shape straight slot（201）With tearing cutter main body（101）Match.
3. tearing knife assembly according to claim 1, it is characterised in that：The tearing cutter main body（101）It is narrower than for front end
The wedge block of rear end, the wedge shape straight slot（201）With tearing cutter main body（101）Match.
4. tearing knife assembly according to claim 1, it is characterised in that：The locating piece（106）There are two settings, two
Locating piece（106）About tearing cutter main body（101）Center line it is symmetrical be arranged in tearing cutter main body（101）The left and right sides or
Upper and lower both sides, the limiting slot（205）There are two settings, two limiting slots（205）Respectively with two locating pieces（106）Phase
Match.
5. tearing knife assembly according to claim 1, it is characterised in that：The locating piece（106）There are four settings, four
Locating piece（106）It is separately positioned on tearing cutter main body（101）Surrounding, tearing cutter main body（101）Two positioning of upper and lower ends
Block（106）Symmetrically, tearing cutter main body（101）Two locating pieces of left and right ends（106）Symmetrically, the limiting slot
（205）There are four settings, four limiting slots（205）Respectively with four locating pieces（106）Match.
6. tearing knife assembly according to claim 1, it is characterised in that：The claw includes being arranged in girff（2）Upper end
Upper clipping claw（202）With setting in girff（2）Lower end and and upper clipping claw（202）Corresponding lower claw（203）, upper clipping claw
（202）And lower claw（203）Corresponding side is both provided with for block limited block（103）Card slot（204）, the card
Slot（204）With locating slot（108）It is parallel.
7. tearing knife assembly according to claim 1-6 any one of them, it is characterised in that：The rotating boss（105）Ruler
Very little and shape and fixing nut（104）Size and shape it is identical.
8. according to claim 1-7 any one of them tear knife assembly tearing cutter replacing options, it is characterised in that including with
Lower step：
Step 1：The installation of tearing cutter, the limited block of tearing cutter is in the outer end of locating slot, limiting block block length under original state
The center line in degree direction intersects with the center line in positioning groove length direction, and tearing cutter is promoted to the wedge of girff among claw first
In shape straight slot, the locating piece in tearing cutter main body coordinates with limiting slot block, rear end and the unlocked company of girff of tearing cutter main body
It connects；
Step 2：Rotary spacing block until limited block and locating slot correspondence, while limited block with it is right before and after claw
It answers and in claw；
Step 3：Be tightened nut, and bolt is gradually connected to girff rear end with the tearing cutter main body that screws of fixing nut
It drags, until limited block is fallen completely in locating slot, that is, completes the installation of tearing cutter；
Step 4：The dismounting of tearing cutter, unscrews fixing nut first, with unscrewing for fixing nut, the gradual quilt of tearing cutter main body
Push the front end of girff to, then locating slot and limited block are gradually disengaged, until limited block removes stopping completely out of locating slot
Unscrew fixing nut；
Step 5：Rotary spacing block makes limited block be produced out of claw perpendicular with locating slot up to limited block, then
Tearing cutter is extracted out of girff.
9. the tearing cutter replacing options of tearing knife assembly according to claim 8, it is characterised in that：Institute in the step 1
The center line and the center line in positioning groove length direction for the limited block length direction stated are perpendicular, the limited block in step 2
With locating slot correspondence after rotating forward 90 °, the limited block in step 5 produces after inverting 90 ° out of claw.
10. the tearing cutter replacing options of tearing knife assembly according to claim 8, it is characterised in that：The step 1 and
The rotation of limited block is realized by rotation and the rotating boss of postioning abutment one in step 5, is grasped using allen wrench
The boss that rotates realizes the rotation of limited block in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372660.0A CN108590685B (en) | 2018-04-24 | 2018-04-24 | Tearing knife assembly and replacing method of tearing knife thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810372660.0A CN108590685B (en) | 2018-04-24 | 2018-04-24 | Tearing knife assembly and replacing method of tearing knife thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590685A true CN108590685A (en) | 2018-09-28 |
| CN108590685B CN108590685B (en) | 2023-08-22 |
Family
ID=63614929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810372660.0A Active CN108590685B (en) | 2018-04-24 | 2018-04-24 | Tearing knife assembly and replacing method of tearing knife thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590685B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130911A (en) * | 2019-06-13 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of novel integrated cutter mounting structure |
| CN111173526A (en) * | 2019-12-20 | 2020-05-19 | 中国建筑第四工程局有限公司 | Shield constructs machine convenient to change cutter |
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| CN201747380U (en) * | 2010-09-10 | 2011-02-16 | 中铁隧道装备制造有限公司 | Shield and TBM cutter head new wedge-shaped installation cutter rest |
| CN202055831U (en) * | 2011-03-24 | 2011-11-30 | 山东天工岩土工程设备有限公司 | Trapezoidal shaft type mounting and locking mechanism for disc cutter |
| CN204082157U (en) * | 2014-09-30 | 2015-01-07 | 中交隧道工程局有限公司 | Shield structure tearing cutter |
| CN104589266A (en) * | 2014-11-20 | 2015-05-06 | 中国铁建重工集团有限公司 | Replacement device for shield cutters |
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| CN205654353U (en) * | 2016-04-21 | 2016-10-19 | 中铁工程装备集团有限公司 | Removable shield constructs tears sword girff |
| CN106593461A (en) * | 2017-02-14 | 2017-04-26 | 东北大学 | Disc hobbing cutter box mechanism of shield tunneling machine and application method thereof |
| CN107842370A (en) * | 2017-12-26 | 2018-03-27 | 中铁工程装备集团有限公司 | A kind of replaceable tear knife system of sand-pebble layer |
| CN208486879U (en) * | 2018-04-24 | 2019-02-12 | 中铁工程装备集团有限公司 | A kind of tearing knife assembly |
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2018
- 2018-04-24 CN CN201810372660.0A patent/CN108590685B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201747380U (en) * | 2010-09-10 | 2011-02-16 | 中铁隧道装备制造有限公司 | Shield and TBM cutter head new wedge-shaped installation cutter rest |
| CN202055831U (en) * | 2011-03-24 | 2011-11-30 | 山东天工岩土工程设备有限公司 | Trapezoidal shaft type mounting and locking mechanism for disc cutter |
| CN204082157U (en) * | 2014-09-30 | 2015-01-07 | 中交隧道工程局有限公司 | Shield structure tearing cutter |
| CN104589266A (en) * | 2014-11-20 | 2015-05-06 | 中国铁建重工集团有限公司 | Replacement device for shield cutters |
| CN205243517U (en) * | 2015-12-28 | 2016-05-18 | 中交隧道工程局有限公司南京分公司 | But shield constructs machine quick assembly disassembly tears sword |
| CN205654353U (en) * | 2016-04-21 | 2016-10-19 | 中铁工程装备集团有限公司 | Removable shield constructs tears sword girff |
| CN106593461A (en) * | 2017-02-14 | 2017-04-26 | 东北大学 | Disc hobbing cutter box mechanism of shield tunneling machine and application method thereof |
| CN107842370A (en) * | 2017-12-26 | 2018-03-27 | 中铁工程装备集团有限公司 | A kind of replaceable tear knife system of sand-pebble layer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130911A (en) * | 2019-06-13 | 2019-08-16 | 中铁工程装备集团有限公司 | A kind of novel integrated cutter mounting structure |
| CN111173526A (en) * | 2019-12-20 | 2020-05-19 | 中国建筑第四工程局有限公司 | Shield constructs machine convenient to change cutter |
| CN111173526B (en) * | 2019-12-20 | 2022-05-03 | 中国建筑第四工程局有限公司 | Shield constructs machine convenient to change cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108590685B (en) | 2023-08-22 |
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