CN104589266A - Replacement device for shield cutters - Google Patents
Replacement device for shield cutters Download PDFInfo
- Publication number
- CN104589266A CN104589266A CN201410667472.2A CN201410667472A CN104589266A CN 104589266 A CN104589266 A CN 104589266A CN 201410667472 A CN201410667472 A CN 201410667472A CN 104589266 A CN104589266 A CN 104589266A
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- Prior art keywords
- moving member
- fixture
- shield cutter
- gate
- gates
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a replacement device for shield cutters. The replacement device comprises a fixed part, a moving part and two gates, wherein the fixed part is provided with a containing cavity, two sides, in a first direction, of the containing cavity are open, the moving part is movably arranged in the containing cavity in the first direction, the shield cutters are suitable for arranging on one side, in the first direction, of the moving part, the two gates are arranged on the moving part and arranged on a second direction which is perpendicular to the first direction, the two gates can move opposite to each other in the second direction, the two gates are constructed to separate from each other during the moving part moves towards one side of the moving part in the first direction, and when the two gates moves close to each other after the moving part moves towards the other side of the moving part in the first direction, two sides of the containing cavity are separated. The replacement device for the shield cutters has the advantages that arrangement space of the replaceable shield cutters in a shield cutter disc is effectively saved, and stress-balance and whole strength of the shield cutter disc are guaranteed to a certain extent.
Description
Technical field
The present invention relates to Tunnel Engineering technical field, especially relate to a kind of replacing shield cutter device.
Background technology
Point out in correlation technique, in shield-tunneling construction engineering, because cutterhead excavation interfacial pressure is far above atmospheric pressure, when needs cutter changing, substantially be all that tool changing operation with pressure is carried out at the excavation interface entered higher than atmospheric pressure by operating personnel, this kind of tool changing mode risk is high, very big to the health effect of operating personnel, simultaneously because operating personnel cannot work long hours at hyperbaric chamber, required tool change time is long.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of replacing shield cutter device, saves the arrangement space of shield cutter.
According to the replacing shield cutter device of the embodiment of the present invention, comprising: fixture, described fixture has container cavity, and described container cavity both sides are in a first direction opened wide; Moving member, described moving member is located in described container cavity along described first direction movably, and wherein said shield cutter is suitable for the side being in said first direction located at described moving member; And two gates, described two gates to be all located on described fixture and to arrange in the second direction vertical with described first direction, described two gates can be movable relatively in this second direction, described two gates be configured to when described moving member in said first direction towards the described side of described moving member direction moving period between separated from one another, and close to each other and the described both sides of described container cavity are kept apart after described moving member moves towards the direction of the opposite side of described moving member in said first direction.
According to the replacing shield cutter device of the embodiment of the present invention, by arranging two gates on fixture, effectively save the arrangement space of removable cutting tool in shield cutter, and ensure that stress balance and the bulk strength of shield cutter to a certain extent.
Particularly, in said first direction two opposing sidewalls of described container cavity are formed with two shifting chutes respectively, described gate is located in corresponding described shifting chute movably, is provided with seal between wherein said gate with the inwall of corresponding described shifting chute.
Further, described gate is moved in this second direction by gate driven unit, and described gate driven unit is connected with described gate.
Alternatively, described gate driven unit is hydraulic cylinder, and described hydraulic cylinder is all connected with described two gates.
Further, described replacing shield cutter device comprises further: hydrojet assembly, and described hydrojet assembly is located on described fixture, and the liquid of described hydrojet assembly ejection is suitable for washing away the gap between described fixture and described moving member.
Particularly, described hydrojet assembly comprises water injection valve, and described water injection valve is located on described fixture.
Further, described replacing shield cutter device comprises further: cutter changing assembly, and described cutter changing assembly is removably connected to the opposite side of described fixture, and the described opposite side of wherein said moving member is connected with described cutter changing assembly.
Particularly, described cutter changing assembly comprises: more creeling, and described more creeling is connected to the described opposite side of described fixture; Limiting plate, described in described limiting plate is connected to, the side away from described fixture of more creeling is to limit the movement in this second direction of described moving member; And connecting cylinder, described connecting cylinder is connected to the side away from described more creeling of described limiting plate, and the described opposite side of wherein said moving member is connected with described connecting cylinder.
Further, described moving member is removable in said first direction by mobile driven unit, and the two ends of described mobile driven unit are connected with described connecting cylinder with described moving member respectively.
Alternatively, described mobile driven unit is two-stage hydraulic cylinder.
Alternatively, described shield cutter is hobboing cutter, serrated knife or tearing cutter.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the replacing shield cutter device according to the embodiment of the present invention, and wherein gate is in opening;
Fig. 2 is the A direction view in Fig. 1;
Fig. 3 is another schematic diagram of the replacing shield cutter device shown in Fig. 1, and wherein gate is in closed condition.
Reference numeral:
1: fixture; 11: mounting flange;
2: moving member; 21: shrouding; 3: gate; 4: seal;
5: hydraulic cylinder; 51: cylinder body; 52: carriage release lever; 6: water injection valve;
7: cutter changing assembly; 71: more creeling; 711: flanged plate; 72: limiting plate; 73: connecting cylinder;
8: mobile driven unit; 91: the first bolts; 92: the second bolts; 10: steady pin;
200: shield cutter.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 3, the replacing shield cutter device according to the embodiment of the present invention is described.
As shown in figures 1 and 3, according to the replacing shield cutter device of the embodiment of the present invention, comprise fixture 1, moving member 2 and two gates 3.Wherein, shield cutter 200 can be hobboing cutter, serrated knife or tearing cutter etc.
Fixture 1 has container cavity, and the both sides of container cavity on first direction (above-below direction such as, in Fig. 1 and Fig. 3) are opened wide.With reference to Fig. 1 and Fig. 3, fixture 1 extends along the vertical direction, and the open at both ends up and down of fixture 1, limit the container cavity that top and bottom are all opened wide in fixture 1.
Moving member 2 is located in container cavity movably along first direction (such as, the above-below direction in Fig. 1 and Fig. 3), and that is, moving member 2 is moveable relative to fixture 1.Wherein shield cutter 200 is suitable for the side (upside such as, in Fig. 1 and Fig. 3) being in a first direction located at moving member 2.Thus shield cutter 200 such as hobboing cutter, serrated knife or tearing cutter etc. can move in a first direction along with the movement of moving member 2.
Two gates 3 are all located on fixture 1, and two gates 3 are in the upper setting of the second direction (left and right directions such as, in Fig. 1 and Fig. 3) vertical with first direction.Two gates 3 can be movable relatively in a second direction.As shown in Figure 1-Figure 3, two gates 3 lay respectively at the left and right sides of fixture 1 and left and right toward each other, the gate 3 in left side can move around in the lateral direction, and similarly, the gate 3 on right side also can move around in the lateral direction.
Two gates 3 be configured to when moving member 2 in a first direction towards the side of moving member 2 direction (such as, direction from top to bottom in Fig. 1 and Fig. 3) separated from one another between moving period, and when moving member 2 is close to each other after the direction of the opposite side of moving member 2 (such as, in Fig. 1 and Fig. 3 direction) from top to bottom motion in a first direction and kept apart the both sides of container cavity.
As shown in Figure 1, when moving member 2 drives shield cutter 200 to move upward, the gate 3 in left side is moved to the left, meanwhile, the gate 3 on right side moves right, the gate 3 of the left and right sides is separated gradually, thus shield cutter 200 can continue to move upward, and shield cutter 200 stretch out container cavity at least partly.
As shown in Figure 3, after moving member 2 drives shield cutter 200 to move downward and moves to extreme position, the gate 3 in left side moves right, meanwhile, the gate 3 on right side is moved to the left, the gate 3 of the left and right sides is close gradually, until the right-hand member of the gate 3 in left side contacts with the left end of the gate 3 on right side, thus container cavity is separated into upper and lower two chambers by two gates 3, and then achieve the separation of high and low pressure environment, such operating personnel can realize tool changing in atmospheric pressure environment, and tool changing security is high.Here, it should be noted that, " low pressure " is for the high pressure in upper chambers, does not refer to the low pressure lower than standard atmospheric pressure.
And, by adopting the opposite opened gate structure of two gates 3, effectively save the arrangement space of normal pressure removable cutting tool in shield cutter, simultaneously, facilitate removable cutting tool to be arranged in the centre of each cutter beam of shield cutter, thus ensure that the stress balance of shield cutter and the bulk strength of shield cutter to a certain extent.
Thus, according to the replacing shield cutter device of the embodiment of the present invention, by arranging two gates 3 on fixture 1, effectively save the arrangement space of removable cutting tool in shield cutter, and ensure that stress balance and the bulk strength of shield cutter to a certain extent.
With reference to Fig. 1 and Fig. 3, on above-mentioned first direction two opposing sidewalls of container cavity are formed with two shifting chutes respectively, gate 3 is located in corresponding shifting chute movably.Specifically, the shifting chute in left side is formed on the left side wall of container cavity, and this shifting chute along container cavity thickness direction (such as, left and right directions in Fig. 1 and Fig. 3) run through the left side wall of container cavity, the gate 3 in left side can move left and right in this shifting chute, similarly, the shifting chute on right side is formed on the right side wall of container cavity, and this shifting chute along container cavity thickness direction (such as, left and right directions in Fig. 1 and Fig. 3) run through the right side wall of container cavity, the gate 3 on right side can move left and right in this shifting chute.
Wherein, between gate 3 and the inwall of corresponding shifting chute, be provided with seal 4, to seal the gap between shifting chute and gate 3.Such as, the inwall of shifting chute can be provided with holding tank, seal 4 can be contained in holding tank, thus, when gate 3 moves around, seal 4 can not move along with the movement of gate 3, ensure that the sealing effectiveness between shifting chute and moving member 2, thus better can realize the separation of high and low pressure environment.Alternatively, seal 4 is sealing ring.
As shown in Figure 2, gate 3 can be moved in a second direction by gate 3 driven unit, and gate 3 driven unit is connected with gate 3.Such as in the figure 2 example, gate 3 driven unit is hydraulic cylinder 5, this hydraulic cylinder 5 is all connected with two gates 3, and specifically, hydraulic cylinder 5 comprises cylinder body 51 and two carriage release levers 52, two carriage release levers 52 are located at the two ends, left and right of cylinder body 51 respectively movably, the carriage release lever 52 in left side is connected with the left end of the gate 3 in left side, and the carriage release lever 52 on right side is connected with the right-hand member of the gate 3 on right side, primer fluid cylinder pressure 5, two gates 3 to intermediary movements, until realize the separation completely of high and low pressure environment.Certainly, each gate 3 can also drive respectively by gate 3 driven unit, to realize move in a second direction (scheming not shown).
With reference to Fig. 1 and Fig. 3, replacing shield cutter device comprises further: hydrojet assembly, and hydrojet assembly is located on fixture 1, and the liquid of hydrojet assembly ejection is suitable for washing away the gap between fixture 1 and moving member 2.Wherein, hydrojet assembly comprises water injection valve 6, and water injection valve 6 is located on fixture 1, and such as, as shown in figures 1 and 3, water injection valve 6 is located at the right side of fixture 1 and is positioned at the below of gate 3.Alternatively, water injection valve 6 is water spray ball valve.
Thus, when moving member 2 moves relative to fixture 1, water spray ball valve is opened, gap between high pressure scour without sediment motion fixture 1 and moving member 2, thus destroy the contact surface between fixture 1 and moving member 2 behind the gap that can prevent the body refuse in external environment condition from entering between fixture 1 and moving member 2 and hinder moving member 2 smooth and easyly repeatedly to move, even occur stuck situation.
According to a further embodiment of the invention, replacing shield cutter device comprises further: cutter changing assembly 7, cutter changing assembly 7 is removably connected to the opposite side of fixture 1 (such as, downside in Fig. 1 and Fig. 3), wherein the opposite side (downside such as, in Fig. 1 with Fig. 3) of moving member 2 is connected with cutter changing assembly 7.Because cutter changing assembly 7 and fixture 1 are for removably connecting, and cutter changing assembly 7 is connected with moving member 2, when shield cutter 200 changed by needs, moving member 2 and cutter changing assembly 7 can be pulled down from fixture 1, to change shield cutter 200.
Specifically, as shown in figures 1 and 3, cutter changing assembly 7 comprises: more creeling 71, limiting plate 72 and connecting cylinder 73, more creeling 71 is connected to the above-mentioned opposite side of fixture 1, wherein, more creeling 71 is hollow structure, more one end away from limiting plate 72 of creeling 71 (such as, upper end in Fig. 1 and Fig. 3) be provided with flanged plate 711, more creeling 71 is connected with the mounting flange 11 of fixture 1 by flanged plate 711, one end (lower end such as, in Fig. 1 and Fig. 3) of the vicinity that mounting flange 11 is located at fixture 1 more creeling 71.Can be connected by the first bolt 91 between flanged plate 711 with mounting flange 11.
Limiting plate 72 is connected to the side away from fixture 1 (downside such as, in Fig. 1 and Fig. 3) of more creeling 71 to limit moving member 2 movement in a second direction.Thus, by arranging limiting plate 72, when changing shield cutter 200, the retraction amount of shield cutter 200 can be controlled by limiting plate 72, simply, reliably.
Connecting cylinder 73 is connected to the side away from more creeling 71 (such as, the downside in Fig. 1 and Fig. 3) of limiting plate 72, and wherein the opposite side (downside such as, in Fig. 1 with Fig. 3) of moving member 2 is connected with connecting cylinder 73.
Wherein, moving member 2 is removable in a first direction by mobile driven unit 8, and the two ends of mobile driven unit 8 are connected with connecting cylinder 73 with moving member 2 respectively.Alternatively, mobile driven unit 8 is two-stage hydraulic cylinder.Specifically, two-stage hydraulic cylinder is adopted to drive moving member 2 to move, one end of two-stage hydraulic cylinder can be fixed on the shrouding 21 in moving member 2 by the second bolt 92, shrouding 21 to be located in moving member 2 and to extend in left-right direction, and the other end of two-stage hydraulic cylinder can be connected with connecting cylinder 73 by steady pin 10.
Thus, driven the flexible rectilinear motion of moving member 2 by two-stage hydraulic cylinder, both can reduce the tool changing space of shield cutter upper slitter beam, the semi-mechanization of exchanging knives process can be realized again, thus avoid the restriction because of cutter beam space, and cause operating personnel's operation to be obstructed; Meanwhile, adopt two-stage hydraulic cylinder to drive tool changing, not easily go wrong, safer.
Realized the separation of high and low pressure environment by the seal 4 be installed on gate 3 when two gates 3 close.When moving member 2 opposed fixed member 1 moves, water spray ball valve is opened, gap between high pressure scour without sediment motion moving member 2 and fixture 1, moving contact face is destroyed behind the gap preventing the body refuse in external environment condition from entering between moving member 2 and fixture 1, hinder that moving member 2 is smooth and easy repeatedly moves, even occur stuck.One end of two-stage hydraulic cylinder is fixed on shrouding 21 by the second bolt 92, and the other end of two-stage hydraulic cylinder is connected with cutter changing frock by steady pin 10.Cutter changing assembly 7 is fixed on the mounting flange 11 of fixture 1 by the first bolt 91.
During tool changing, open water spray ball valve, the gap between high pressure scour without sediment motion moving member 2 and fixture 1, driven by two-stage hydraulic cylinder, moving member 2 rollback, when moving member 2 is retracted to limiting plate 72 place of cutter changing assembly 7, realize mechanical position limitation to control, two-stage hydraulic cylinder quits work.Open and drive hydraulic cylinder 5, two gates 3 of gate 3 to intermediary movements, until realize the separation completely of high and low pressure environment.After getting rid of fixture 1, moving member 2, two inner mud of gate 3, the first bolt 91 changed on toolbox and mounting flange 11 is only removed under atmospheric pressure environment, integral demounting changes toolbox, two-stage hydraulic cylinder and moving member 2, and cutter adopts muzzle-loading to change.Shield cutter 200 is installed according to the reverse-order of dismounting after having changed, and thus, completes the overall process of a normal pressure tool changing.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (11)
1. a replacing shield cutter device, is characterized in that, comprising:
Fixture, described fixture has container cavity, and described container cavity both sides are in a first direction opened wide;
Moving member, described moving member is located in described container cavity along described first direction movably, and wherein said shield cutter is suitable for the side being in said first direction located at described moving member; And
Two gates, described two gates to be all located on described fixture and to arrange in the second direction vertical with described first direction, described two gates can be movable relatively in this second direction, described two gates be configured to when described moving member in said first direction towards the described side of described moving member direction moving period between separated from one another, and close to each other and the described both sides of described container cavity are kept apart after described moving member moves towards the direction of the opposite side of described moving member in said first direction.
2. replacing shield cutter device according to claim 1, it is characterized in that, in said first direction two opposing sidewalls of described container cavity are formed with two shifting chutes respectively, described gate is located in corresponding described shifting chute movably, is provided with seal between wherein said gate with the inwall of corresponding described shifting chute.
3. replacing shield cutter device according to claim 1, is characterized in that, described gate is moved in this second direction by gate driven unit, and described gate driven unit is connected with described gate.
4. replacing shield cutter device according to claim 3, is characterized in that, described gate driven unit is hydraulic cylinder, and described hydraulic cylinder is all connected with described two gates.
5. replacing shield cutter device according to claim 1, is characterized in that, comprise further:
Hydrojet assembly, described hydrojet assembly is located on described fixture, and the liquid of described hydrojet assembly ejection is suitable for washing away the gap between described fixture and described moving member.
6. replacing shield cutter device according to claim 5, is characterized in that, described hydrojet assembly comprises water injection valve, and described water injection valve is located on described fixture.
7. replacing shield cutter device according to claim 1, is characterized in that, comprise further:
Cutter changing assembly, described cutter changing assembly is removably connected to the opposite side of described fixture, and the described opposite side of wherein said moving member is connected with described cutter changing assembly.
8. replacing shield cutter device according to claim 7, is characterized in that, described cutter changing assembly comprises:
More creeling, described more creeling is connected to the described opposite side of described fixture;
Limiting plate, described in described limiting plate is connected to, the side away from described fixture of more creeling is to limit the movement in this second direction of described moving member; And
Connecting cylinder, described connecting cylinder is connected to the side away from described more creeling of described limiting plate, and the described opposite side of wherein said moving member is connected with described connecting cylinder.
9. replacing shield cutter device according to claim 8, is characterized in that, described moving member is removable in said first direction by mobile driven unit, and the two ends of described mobile driven unit are connected with described connecting cylinder with described moving member respectively.
10. replacing shield cutter device according to claim 9, is characterized in that, described mobile driven unit is two-stage hydraulic cylinder.
11. replacing shield cutter devices according to any one of claim 1-10, it is characterized in that, described shield cutter is hobboing cutter, serrated knife or tearing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667472.2A CN104589266B (en) | 2014-11-20 | 2014-11-20 | Replacement device for shield cutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667472.2A CN104589266B (en) | 2014-11-20 | 2014-11-20 | Replacement device for shield cutters |
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| Publication Number | Publication Date |
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| CN104589266A true CN104589266A (en) | 2015-05-06 |
| CN104589266B CN104589266B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410667472.2A Active CN104589266B (en) | 2014-11-20 | 2014-11-20 | Replacement device for shield cutters |
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| CN (1) | CN104589266B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484755A (en) * | 2015-12-22 | 2016-04-13 | 中国铁建重工集团有限公司 | Cutter disc of shield tunneling machine and shield tunneling machine |
| CN105507911A (en) * | 2015-12-22 | 2016-04-20 | 中国铁建重工集团有限公司 | Shield machine and cutter head thereof |
| CN105736005A (en) * | 2016-04-19 | 2016-07-06 | 中铁工程装备集团有限公司 | Detachable normal-pressure tool change device |
| CN106640102A (en) * | 2016-12-20 | 2017-05-10 | 上海隧道工程有限公司 | Constant pressure replacement device of cutterhead periphery hob and replacement method thereof |
| CN107060794A (en) * | 2017-04-10 | 2017-08-18 | 中铁十四局集团有限公司 | Hobboing cutter serrated knife exchanges process under a kind of compound stratum shield normal pressure |
| CN107139128A (en) * | 2017-07-10 | 2017-09-08 | 中铁工程装备集团有限公司 | Frock and method are changed in a kind of shield machine normal pressure tool changing device sealing |
| CN107939409A (en) * | 2017-12-26 | 2018-04-20 | 中铁工程装备集团有限公司 | A kind of normal pressure back of the body dress changes copy cutter device |
| CN108131147A (en) * | 2018-02-01 | 2018-06-08 | 辽宁三三工业有限公司 | A kind of soil pressure case quick replacement device |
| CN108487913A (en) * | 2018-05-07 | 2018-09-04 | 中国铁建重工集团有限公司 | A kind of cutterhead and shield machine |
| CN108590685A (en) * | 2018-04-24 | 2018-09-28 | 中铁工程装备集团有限公司 | A kind of replacing options tearing knife assembly and its tearing cutter |
| CN109236306A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The Safety Redundancy mechanism and its installation method for preventing normal pressure removable cutting tool from falling off |
| CN109488320A (en) * | 2018-12-28 | 2019-03-19 | 安徽铜都流体科技股份有限公司 | A kind of slurry shield normal pressure tool changing device |
| CN110064908A (en) * | 2019-05-06 | 2019-07-30 | 诸暨市诺达机械科技有限公司 | A kind of shield machine roller cutter apparatus for automatic change |
| CN111496737A (en) * | 2020-05-15 | 2020-08-07 | 上海隧道工程有限公司 | Shield cutter replacing device and replacing method |
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