CN108590685B - Tearing knife assembly and replacing method of tearing knife thereof - Google Patents
Tearing knife assembly and replacing method of tearing knife thereof Download PDFInfo
- Publication number
- CN108590685B CN108590685B CN201810372660.0A CN201810372660A CN108590685B CN 108590685 B CN108590685 B CN 108590685B CN 201810372660 A CN201810372660 A CN 201810372660A CN 108590685 B CN108590685 B CN 108590685B
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- tearing knife
- groove
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000000078 claw Anatomy 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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)
- Knives (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a tearing knife assembly and a tearing knife replacing method thereof, and solves the problems of complex structure and difficult replacement of the tearing knife in the prior art. The tearing knife assembly comprises a tearing knife and a knife box, the tearing knife comprises a wedge-shaped tearing knife main body and a connecting bolt used for connecting the tearing knife main body and the knife box, a limit stop and a fixing nut are sequentially connected to the connecting bolt, one end of the limit stop, which is close to the fixing nut, is provided with a rotating boss, a positioning block is arranged on the side edge of the tearing knife main body, a positioning groove which is used for being matched with the limit stop in a clamping manner is formed in the rear end of the tearing knife main body, a wedge-shaped through groove which is matched with the tearing knife main body in a clamping manner is formed in the knife box, and a limit groove which is matched with the stop of the positioning block is formed in the inner wall of the wedge-shaped through groove, and a claw which is matched with the limit stop of the positioning block is arranged at the rear end of the knife box. The tearing knife replacement method of the tearing knife assembly comprises the steps of installing the tearing knife and removing the tearing knife. The invention has novel structure, convenient disassembly and great popularization and application value.
Description
Technical Field
The invention relates to the technical field of shield tunneling machine cutterheads, in particular to a tearing cutter assembly and a tearing cutter replacing method thereof.
Background
In the field of underground engineering, the application of shield construction is becoming wider and wider. With the gradual maturity of the shield technology, the shield underground excavation region presents a trend of high burial depth and high water pressure, so that the improvement of the construction efficiency is an important research topic. In the underground construction process of the shield tunneling machine, the tearing knife is a main excavation functional part, once the tearing knife is damaged, tunnel excavation cannot be continued, the machine must be stopped for maintenance, the tearing knife in the prior art is complex in structure and difficult to replace, and therefore the construction efficiency of the shield tunneling machine is seriously influenced by the replacement time of the existing tearing knife.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a tearing knife assembly and a tearing knife replacing method thereof, which solve the problems of complex structure and difficult replacement of the tearing knife in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides a tear sword subassembly, includes tears sword and toolbox, tear the sword and include wedge tearing the sword main part and connect the connecting bolt in tearing sword main part bottom, connecting bolt has connected gradually limit stop and fixation nut on, and limit stop is close to fixation nut's one end and is provided with the rotation boss, and tear the side of sword main part and be provided with the locating piece, tear the rear end of sword main part and be provided with be used for with limit stop joint complex constant head tank, the toolbox is inside to be seted up with tear the wedge logical groove of sword main part joint complex, be provided with on the inner wall of wedge logical groove with locating piece block complex spacing groove, the rear end of toolbox be provided with limit stop block complex jack catch.
The tearing knife body is a wedge-shaped block with the front end thinner than the rear end, and the wedge-shaped through groove is matched with the tearing knife body.
The tearing knife body is a wedge-shaped block with the front end narrower than the rear end, and the wedge-shaped through groove is matched with the tearing knife body.
The two positioning blocks are symmetrically arranged on the left side and the right side or the upper side and the lower side of the tearing knife main body relative to the central line of the tearing knife main body, the two limiting grooves are formed, and the two limiting grooves are respectively matched with the two positioning blocks.
The utility model discloses a tear knife, including tearing knife main part, locating piece, spacing groove, four locating pieces are provided with four, four locating pieces set up respectively around tearing knife main part, two locating pieces at tearing knife main part upper and lower both ends are mutually symmetrical, two locating pieces at tearing knife main part left and right sides both ends are mutually symmetrical, the spacing groove is provided with four, four spacing grooves respectively with four locating pieces phase-match.
The clamping jaw comprises an upper clamping jaw arranged at the upper end of the tool box and a lower clamping jaw arranged at the lower end of the tool box and corresponding to the upper clamping jaw, clamping grooves used for stopping limit stops are formed in one sides of the upper clamping jaw and the lower clamping jaw, and the clamping grooves are parallel to the positioning grooves.
The size and shape of the rotating boss are the same as those of the fixing nut.
A method of replacing a tearing knife of a tearing knife assembly, comprising the steps of:
step one: the tearing knife is installed, a limit stop of the tearing knife is arranged at the outer end of a positioning groove in an initial state, the central line of the length direction of the limit stop is intersected with the central line of the length direction of the positioning groove, the tearing knife is firstly pushed into a wedge-shaped through groove of the knife box from the middle of a claw, a positioning block on a tearing knife body is in stop fit with the limiting groove, and the rear end of the tearing knife body is not fixedly connected with the knife box;
step two: rotating the limit stop until the limit stop corresponds to the positioning groove in front and back, and simultaneously, the limit stop corresponds to the clamping jaw in front and back and is positioned in the clamping jaw;
step three: the fixing nut is screwed, and the tearing knife main body is gradually dragged towards the rear end of the knife box by the connecting bolt along with the screwing of the fixing nut until the limit stop completely falls into the positioning groove, so that the tearing knife is installed;
step four: the tearing knife is removed, the fixing nut is unscrewed firstly, and along with the unscrewing of the fixing nut, the tearing knife main body is gradually pushed to the front end of the knife box, and then the positioning groove and the limit stop block are gradually separated until the limit stop block completely moves from the positioning groove to stop unscrewing the fixing nut;
step five: and rotating the limit stop, so that the limit stop is rotated out from the clamping jaw until the limit stop is perpendicular to the positioning groove, and then pulling out the tearing knife from the knife box.
The center line of the limit stop in the length direction of the first step is perpendicular to the center line of the positioning groove in the length direction, the limit stop in the second step is rotated forwards by 90 degrees and then corresponds to the front and back of the positioning groove, and the limit stop in the fifth step is rotated out of the clamping jaw after being rotated reversely by 90 degrees.
The rotation of the limit stop block in the first step and the fifth step is realized through rotating a rotating boss integrated with the limit stop block, and the rotating boss is operated by using an inner hexagonal wrench so as to further realize the rotation of the limit stop block.
The tearing knife assembly is provided with the tearing knife and the knife box which are matched with each other, so that the tearing knife assembly is simple in structure, convenient to produce and manufacture, low in production cost, ingenious in design structure, capable of rapidly replacing the tearing knife, and high in construction efficiency. The connecting bolt is ingenious in design, can be used as a rotating shaft of a limit stop, can be used as a connecting piece of a fastener to connect the tearing knife with the knife box, has multiple structural functions, reduces the number of parts of the tearing knife assembly, enables the tearing knife to be quickly assembled and disassembled, and fully ensures the construction efficiency of the shield machine. The rotating boss with the same size and shape as the fixing nut is arranged, so that the fixing nut and the rotating boss can be rotated under the condition of not changing the socket head cap wrench, and the rotating boss is convenient and quick. The tearing knife main body is provided with the positioning block, and the limiting groove is arranged in the knife box, so that the relative position of the tearing knife and the knife box can be controlled, and the quick positioning is facilitated. The tearing knife replacement method of the tearing knife assembly is convenient and quick, has few steps and clear regulations, and realizes the high-efficiency regulation disassembly and replacement of the tearing knife.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the tearing knife of FIG. 1;
FIG. 4 is a schematic view of the tool case of FIG. 1;
fig. 5 is a schematic side view of fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, embodiment 1, a tearing knife assembly includes a tearing knife 1 and a knife case 2, the tearing knife 1 includes a wedge-shaped tearing knife main body 101 and a connecting bolt 102 connected to the bottom of the tearing knife main body 101, the tearing knife main body 101 is a wedge-shaped block with a front end thinner than a rear end, the front end thickness of the tearing knife main body 101 is smaller than the rear end thickness of the tearing knife main body 101, and a wedge-shaped through groove 201 in clamping fit with the tearing knife main body 101 is provided in the knife case 2. The tearing knife main body 101 is arranged to be wedge-shaped and is in plug-in fit with the wedge-shaped through groove 201 formed in the knife box 2, so that the tearing knife main body 101 can be prevented from falling off from the front end of the knife box, and the connection reliability of the tearing knife main body 101 and the knife box 2 is effectively ensured. The upper side and the lower side of the tearing knife main body 101 are respectively provided with a positioning block 106, and the inner wall of the wedge-shaped through groove 201 is provided with a limiting groove 205 which is in stop fit with the positioning block 106. The limiting groove 205 can be in blocking fit with the positioning block 106 in the horizontal direction, so that the tearing knife main body 101 can be effectively positioned in the process of installing the tearing knife 1, and the situation that the tearing knife main body 101 is connected with the knife box 2 too tightly or too loosely is prevented.
One end of the connecting bolt 102 is fixedly connected to the rear end of the tearing knife main body 101, a limit stop 103 and a fixing nut 104 are connected to the rear section of the connecting bolt 102 in a threaded mode, a rotating boss 105 is arranged at one end, close to the fixing nut 104, of the limit stop 103, and the limit stop 103 can be driven to rotate around the connecting bolt 102 by screwing the rotating boss 105. The rear end of the tearing knife main body 101 is provided with a positioning groove 108 for being in clamping fit with the limit stop 103, and the limit stop 103 can be corresponding to the positioning groove 108 or form a certain angle with the positioning groove 108 by rotating the rotating boss 105.
The rear end of the tool box 2 is provided with a claw matched with the limit stop 103 in a blocking way, the claw comprises an upper claw 202 arranged at the upper end of the tool box 2 and a lower claw 203 arranged at the lower end of the tool box 2 and corresponding to the upper claw 202, clamping grooves 204 used for blocking the limit stop 103 are formed in one sides corresponding to the upper claw 202 and the lower claw 203, the clamping grooves 204 are parallel to the positioning grooves 108, namely, when the limit stop 103 corresponds to the positioning grooves 108 front and back, the limit stop 103 is just located in the clamping grooves 204, and the tearing tool 1 can be fixedly connected to the tool box 2 by screwing the fixing nut 104.
In embodiment 2, the tearing knife main body 101 is a wedge-shaped block with the left and right end faces inclined forward, the front end width of the tearing knife main body 101 is smaller than the rear end width of the tearing knife main body 101, and the wedge-shaped through groove 201 is matched with the tearing knife main body 101. Other structures of this embodiment are the same as those of embodiment 1. The tearing blade body 101 is provided as a wedge block with a narrow front and a wide rear, and the thickness of the blade body is relatively increased compared with the wedge block with a thin front and a thick rear in embodiment 1, and the strength of the tearing blade 1 is relatively enhanced.
In embodiment 3, two positioning blocks 106 are provided, two positioning blocks 106 are symmetrically disposed on the left and right sides or the upper and lower sides of the tearing knife main body 101 with respect to the center line of the tearing knife main body 101, two limiting grooves 205 are provided, and two limiting grooves 205 are respectively matched with the two positioning blocks 106. Other structures of this embodiment are the same as those of embodiment 1. The positioning accuracy of the tearing knife main body 101 can be improved by arranging the two pairs of symmetrical positioning blocks 106 and the limiting grooves 205, and the situation that the tearing knife main body 101 is in loose connection due to shaking in the wedge-shaped through groove 201 can be avoided.
Example 4, a tearing knife assembly, the size and shape of the rotating boss 105 is the same as the size and shape of the fixing nut 104. Other structures of this embodiment are the same as those of embodiment 1. The size and shape of the rotating boss 105 are set to be the same as those of the fixing nut 104, so that the fixing nut and the rotating boss can be rotated without replacing an internal hexagonal wrench, and convenience and rapidness are realized.
In embodiment 5, the four positioning blocks 106 are disposed on four sides of the tearing knife main body 101, the two positioning blocks 106 on the upper and lower ends of the tearing knife main body 101 are symmetrical to each other, the two positioning blocks 106 on the left and right ends of the tearing knife main body 101 are symmetrical to each other, the four limiting grooves 205 are disposed on four sides of the limiting groove 205, and the four limiting grooves 205 are matched with the four positioning blocks 106. Other structures of this embodiment are the same as those of embodiment 1. By arranging the four pairs of positioning blocks 106 and the limiting grooves 205, the accuracy of positioning the tearing knife main body 101 in the wedge-shaped through groove 201 can be further ensured, and the reliability of connecting the tearing knife main body 101 with the knife box 2 can be further improved.
Embodiment 6, a method for replacing a tearing knife of a tearing knife assembly, wherein the tearing knife assembly is the same as embodiment 1, and the replacing steps of the tearing knife are as follows:
step one: the tearing knife 1 is installed, in an initial state, a limit stop 103 of the tearing knife 1 is positioned at the outer end of a positioning groove 108, the central line of the length direction of the limit stop 103 is intersected with the central line of the length direction of the positioning groove 108, firstly, the tearing knife 1 is pushed into a wedge-shaped through groove 201 of a knife box 2 from the middle of a claw, a positioning block 106 on a tearing knife main body 101 is in stop fit with the limiting groove 205, and the rear end of the tearing knife main body 101 is not fixedly connected with the knife box 2;
step two: the limit stop 103 is rotated until the limit stop 103 corresponds to the positioning groove 108 front and back, and the limit stop 103 corresponds to the clamping jaw front and back and is positioned in the clamping jaw;
step three: tightening the fixing nut 104, gradually dragging the tearing knife main body 101 towards the rear end of the knife box 2 by the connecting bolt 102 along with tightening of the fixing nut 104 until the limit stop 103 completely falls into the positioning groove 108, and completing the installation of the tearing knife 1;
step four: the tearing knife 1 is removed, the fixing nut 104 is firstly unscrewed, and as the fixing nut 104 is unscrewed, the tearing knife main body 101 is gradually pushed to the front end of the knife box 2, the positioning groove 108 and the limit stop 103 are gradually separated until the limit stop 103 completely moves from the positioning groove 108 to stop unscrewing the fixing nut 104;
step five: the limit stop 103 is rotated, the limit stop 103 is rotated from the jaw until the limit stop 103 is perpendicular to the positioning groove 108, and then the tearing knife 1 is pulled out from the knife case 2.
In embodiment 7, as described in embodiment 5, the center line of the limit stop 103 in the longitudinal direction in the first step is perpendicular to the center line of the locating groove 108 in the longitudinal direction, the limit stop 108 in the second step is rotated forward by 90 ° and then corresponds to the locating groove 108 in front and back, and the limit stop 108 in the fifth step is rotated backward by 90 ° and then is rotated out of the jaw. Other steps of this embodiment are the same as those of embodiment 6. The limit stop 103 is arranged at 90 degrees with the initial state of the positioning groove 108, so that the limit stop 103 and the claw can be prevented from interfering when the tearing knife 1 is inserted into the wedge-shaped through groove 201, and the tearing knife 1 is prevented from being disassembled and assembled.
In embodiment 8, as described in embodiment 5, the rotation of the limit stop 103 in the first and fifth steps is achieved by rotating the rotating boss 105 integrated with the limit stop 103, and the rotating boss is operated by using an allen wrench to further achieve the rotation of the limit stop. Other steps of this embodiment are the same as those of embodiment 6. The inner hexagonal wrench is utilized for screwing and unscrewing, so that labor is saved, and convenience and quickness are realized.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. A tearing knife assembly, characterized in that: including tearing sword (1) and case (2), tearing sword (1) including wedge tearing sword main part (101) and connecting bolt (102) of tearing sword main part (101) bottom, connecting bolt (102) have connected gradually limit stop (103) and fixation nut (104) on, limit stop (103) are close to the one end of fixation nut (104) and are provided with rotation boss (105), the side of tearing sword main part (101) is provided with locating piece (106), the rear end of tearing sword main part (101) is provided with and is used for with limit stop (103) joint complex constant head tank (108), the inside wedge logical groove (201) of tearing sword main part (101) joint complex of having seted up of case (2), be provided with on the inner wall of wedge logical groove (201) with locating piece (106) keep up complex spacing groove (205), the rear end of case (2) be provided with limit stop (103) keep up complex jack catch.
2. The tear knife assembly of claim 1 wherein: the tearing knife main body (101) is a wedge-shaped block with the front end thinner than the rear end, and the wedge-shaped through groove (201) is matched with the tearing knife main body (101).
3. The tear knife assembly of claim 1 wherein: the tearing knife main body (101) is a wedge-shaped block with the front end narrower than the rear end, and the wedge-shaped through groove (201) is matched with the tearing knife main body (101).
4. The tear knife assembly of claim 1 wherein: the two positioning blocks (106) are arranged, the two positioning blocks (106) are symmetrically arranged on the left side and the right side or the upper side and the lower side of the tearing knife main body (101) relative to the central line of the tearing knife main body (101), the two limiting grooves (205) are arranged, and the two limiting grooves (205) are respectively matched with the two positioning blocks (106).
5. The tear knife assembly of claim 1 wherein: the utility model discloses a tear sword main part, including tearing sword main part (101), locating piece (106) are provided with four, four locating pieces (106) set up respectively around tearing sword main part (101), two locating pieces (106) of tearing sword main part (101) upper and lower both ends are symmetrical each other, two locating pieces (106) of tearing sword main part (101) left and right sides both ends are symmetrical each other, spacing groove (205) are provided with four, four spacing groove (205) respectively with four locating pieces (106) phase-match.
6. The tear knife assembly of claim 1 wherein: the clamping jaws comprise an upper clamping jaw (202) arranged at the upper end of the tool box (2) and a lower clamping jaw (203) arranged at the lower end of the tool box (2) and corresponding to the upper clamping jaw (202), clamping grooves (204) used for stopping the limit stop block (103) are formed in one sides, corresponding to the upper clamping jaw (202) and the lower clamping jaw (203), of the clamping jaws, and the clamping grooves (204) are parallel to the positioning grooves (108).
7. The tear knife assembly of any one of claims 1-6, wherein: the size and shape of the rotating boss (105) are the same as those of the fixing nut (104).
8. The tear knife replacement method of a tear knife assembly according to any one of claims 1-7 including the steps of:
step one: the tearing knife is installed, a limit stop of the tearing knife is arranged at the outer end of a positioning groove in an initial state, the central line of the length direction of the limit stop is intersected with the central line of the length direction of the positioning groove, the tearing knife is firstly pushed into a wedge-shaped through groove of the knife box from the middle of a claw, a positioning block on a tearing knife body is in stop fit with the limiting groove, and the rear end of the tearing knife body is not fixedly connected with the knife box;
step two: rotating the limit stop until the limit stop corresponds to the positioning groove in front and back, and simultaneously, the limit stop corresponds to the clamping jaw in front and back and is positioned in the clamping jaw;
step three: the fixing nut is screwed, and the tearing knife main body is gradually dragged towards the rear end of the knife box by the connecting bolt along with the screwing of the fixing nut until the limit stop completely falls into the positioning groove, so that the tearing knife is installed;
step four: the tearing knife is removed, the fixing nut is unscrewed firstly, and along with the unscrewing of the fixing nut, the tearing knife main body is gradually pushed to the front end of the knife box, and then the positioning groove and the limit stop block are gradually separated until the limit stop block completely moves from the positioning groove to stop unscrewing the fixing nut;
step five: and rotating the limit stop, so that the limit stop is rotated out from the clamping jaw until the limit stop is perpendicular to the positioning groove, and then pulling out the tearing knife from the knife box.
9. The method of replacing a tearing knife of the tearing knife assembly of claim 8 wherein: the center line of the limit stop in the length direction of the first step is perpendicular to the center line of the positioning groove in the length direction, the limit stop in the second step is rotated forwards by 90 degrees and then corresponds to the front and back of the positioning groove, and the limit stop in the fifth step is rotated out of the clamping jaw after being rotated reversely by 90 degrees.
10. The method of replacing a tearing knife of the tearing knife assembly of claim 8 wherein: the rotation of the limit stop block in the first step and the fifth step is realized through rotating a rotating boss integrated with the limit stop block, and the rotating boss is operated by using an inner hexagonal wrench so as to further realize the rotation of the limit stop block.
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 CN108590685A (en) | 2018-09-28 |
| CN108590685B true CN108590685B (en) | 2023-08-22 |
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| 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 |
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| Country | Link |
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| CN (1) | CN108590685B (en) |
Families Citing this family (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 |
| 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 |
Citations (9)
| 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 |
| 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 |
-
2018
- 2018-04-24 CN CN201810372660.0A patent/CN108590685B/en active Active
Patent Citations (9)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108590685A (en) | 2018-09-28 |
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