CN106761795A - A kind of shield machine disk cutter girff structure - Google Patents
A kind of shield machine disk cutter girff structure Download PDFInfo
- Publication number
- CN106761795A CN106761795A CN201710133228.1A CN201710133228A CN106761795A CN 106761795 A CN106761795 A CN 106761795A CN 201710133228 A CN201710133228 A CN 201710133228A CN 106761795 A CN106761795 A CN 106761795A
- Authority
- CN
- China
- Prior art keywords
- disk cutter
- boxboard
- shield machine
- module
- installation bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000009415 formwork Methods 0.000 claims abstract description 3
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 40
- 239000011087 paperboard Substances 0.000 claims description 40
- 238000009434 installation Methods 0.000 claims description 24
- 229910000639 Spring steel Inorganic materials 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000725 suspension Substances 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)
- Sawing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention discloses a kind of shield machine disk cutter girff structure, including disk cutter casing module, disk cutter self-clamping module and disk cutter are fixed module；The disk cutter being bolted is fixed module and disk cutter self-clamping module is integrally assembled in disk cutter casing module；Disk cutter box body formwork block welding is to working on disk.The present invention is easy to operate, advances the development of robot tool changing technology, reduces the participation of workmen, it is ensured that the safety of staff, reduces cumbersome exchanging knives process, improves efficiency of construction.
Description
Technical field
The present invention relates to a kind of shield machine technical field, more particularly to a kind of shield machine disk cutter girff structure.
Background technology
Conventional shield machine tool changing technology mainly has normal pressure tool changing, tool changing with pressure and uses vertical shaft tool changing at present, and muddy water
Balanced shield owner will use tool changing technology with pressure.Tool changing technology with pressure need to be full of gases at high pressure excavating in cabin, to artificial
Tool changing brings very big obstacle, it is necessary to the sport diver of specialty carries out tool changing operation, it is desirable to and its it is strict.Operating personnel needs elder generation
Into Ren Zha cabins, then progressively adjustment pressure enters the work of excavation cabin, is checked and cutter changing in cabin excavating.Because of work
Environment is disliked and omited, and efficiency of construction is low, and the replacement cycle is more long, and renewal cost is high.And job site risk is high, once landslide
Serious security incident will be caused.
In order to reduce construction risk, it is ensured that the safety of staff, just there are experts and scholars to propose robot tool changing technology.But
It is that the mounting means that current shield machine roller cutter is used is mainly the connection of bolt block, once the installation of hobboing cutter is needed 4 spiral shells
Bolt, 6 blocks, this mounting means are appropriate only for two people's work compounds, to prevent coming off for bolt and block.But, for
Robot tool changing technology, has been only possible to a mechanical arm, so cannot ensure that bolt will not fall off with block when cutter is dismantled.
For slurry-water balance type shield machine, bolt or block once come off and must give for change, will otherwise damage air cushion bilge portion thick liquid discharge mouth
The stone crusher at place.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of shield machine disk cutter girff structure, specifically
Technical scheme is as follows：
A kind of shield machine disk cutter girff structure, including disk cutter casing module, disk cutter self-clamping module and disk
Shape hobboing cutter is fixed module；
The disk cutter being bolted is fixed module and disk cutter self-clamping module is integrally assembled to
In disk cutter casing module；
Disk cutter box body formwork block welding is to working on disk.
A kind of described shield machine disk cutter girff structure, its preferred scheme includes for the disk cutter casing module
Lower boxboard, left boxboard, upper boxboard, upper lift ring, right boxboard and lower lift ring；
The left boxboard and right boxboard upper end are equipped with clamping slot；Inner side two ends are equipped with the positioning coordinated with disk cutter
Inclined-plane；Can be automatically positioned during disk cutter when mounted, be easy to be installed.
The lower boxboard, left boxboard, right boxboard, upper lift ring and lower lift ring are fixed together by welding.
A kind of described shield machine disk cutter girff structure, its preferred scheme includes for the disk cutter self-clamping module
Left side grip block, right side grip block, crossbeam and attachment screw；
The left side grip block and right side grip block top are fixed on crossbeam by attachment screw, and lower end passes through countersunk head spiral shell
The fixed disk cutter of nail；
The crossbeam is provided with the bolt hole for connecting installation bolt.
A kind of described shield machine disk cutter girff structure, its preferred scheme is fixed module for the disk cutter
Including arc spring steel plate, installation bolt, trapezoidal briquetting and dismounting back-up ring；
Groove is provided with the middle of the arc spring steel plate；It is used to reduce tools for bolts ' pretension required when flattening arc spring steel plate
Power.
Groove is provided with the middle of the installation bolt；
By installation bolt by the trapezoidal briquetting and arc spring Interal fixation on crossbeam；
The dismounting back-up ring is stuck in the groove of installation bolt.
A kind of described shield machine disk cutter girff structure, its preferred scheme is the trapezoidal briquetting, arc spring steel
Clamping slot on the inside and outside two ends of plate groove, the right boxboard of left boxboard is equipped with inclined-plane.
Described a kind of shield machine disk cutter girff structure, after its preferred scheme is driven plain for the arc elastic steel plate
Groove medial slope coordinates with trapezoidal briquetting contact of incline plane；So as to increase the rigidity of arc spring steel plate during work.
The arc elastic steel plate horizontal direction elongation after installation bolt is tightened, two ends are stretched into clamping slot, with left and right box
The contact of incline plane of clamping slot coordinates on plate, so as to position clamping.
A kind of described shield machine disk cutter girff structure, its preferred scheme is the arc elastic steel plate, trapezoidal pressure
Block, dismounting back-up ring and installation bolt are equipped with three.
A kind of described shield machine disk cutter girff structure, its preferred scheme is provided with manipulator crawl card for the crossbeam
Groove.It is easy to manipulator to capture to fix.
Beneficial effects of the present invention：The technical scheme is that a kind of new shield machine disk cutter girff structure, with
Manipulator is used cooperatively, so that instead of heavy artificial tool changing operation, so as to reduce construction risk, it is ensured that the peace of staff
Entirely.Girff structure of the invention is of the invention compared with traditional hobboing cutter installation form more suitable for using manipulator automatic tool changer
Without the small parts such as the bolt, packing ring that need individually to take out and block.The invention mainly comprises disk cutter casing module, disk
Shape hobboing cutter self-clamping module and disk cutter are fixed module.Disk cutter casing module is girff basis, is welded on cutterhead
Together.Disk cutter self-clamping module is made up of left and right grip block and crossbeam, and hobboing cutter is fixed on crossbeam, the inclined-plane of disk cutter
Coordinate for positioning with girff side plate inclined-plane.Disk cutter be fixed the arc spring steel plate of module by trapezoidal briquetting flatten after
Insertion girff left side plate, so as to whole disk cutter is fixed on girff.In dismounting, if arc spring restoring force
Deficiency, can be by dismantling back-up ring by arc flat spring removal, and bolt is connected with crossbeam all the time in whole process, without individually small
Part needs dismounting.
The development of robot tool changing technology is advanced, the participation of workmen is reduced, it is ensured that the safety of staff, reduced
Cumbersome exchanging knives process, improves efficiency of construction.
Brief description of the drawings
Fig. 1 is a kind of shield machine disk cutter girff structural representation；
Fig. 2 is disk cutter casing module diagram；
Fig. 3 is disk cutter self-clamping module schematic diagram；
Fig. 4 is fixed module diagram for disk cutter；
Fig. 5 is Fig. 4 side schematic views.
In figure, 1 is disk cutter casing module, and 2 is disk cutter self-clamping module, and 3 are fixed module for disk cutter,
4 is disk cutter, and 5 is lower boxboard, and 6 is clamping slot, and 7 is left boxboard, and 8 is upper boxboard, and 9 is upper lift ring, and 10 is right boxboard, and 11 are
Positioning inclined-plane, 12 is lower lift ring, and 13 is left side grip block, and 14 is right side grip block, and 15 is crossbeam, and 16 is attachment screw, and 17 are
Arc spring steel plate, 18 is installation bolt, and 19 is trapezoidal briquetting, and 20 is dismounting back-up ring, and 21 is that manipulator captures draw-in groove.
Specific embodiment
A kind of shield machine disk cutter girff structure, including disk cutter casing module 1, dish type as Figure 1-Figure 5 is rolled
Knife self-clamping module 2 and disk cutter are fixed module 3；
The disk cutter being bolted is fixed module 3 and the overall assembling of disk cutter self-clamping module 2
Onto disk cutter casing module 1；
The disk cutter casing module 1 is welded on disk and works.
The disk cutter casing module 1 include lower boxboard 5, left boxboard 7, upper boxboard 8, upper lift ring 9, right boxboard 10 and under
Suspension ring 12；
The left boxboard 7 and the upper end of right boxboard 10 are equipped with clamping slot 6；Inner side two ends are equipped with and coordinate with disk cutter 4
Positioning inclined-plane 11；Can be automatically positioned during disk cutter 4 when mounted, be easy to be installed.
The lower boxboard 5, left boxboard 7, right boxboard 10, upper lift ring 9 and lower lift ring 12 are fixed together by welding.
The disk cutter self-clamping module 2 includes left side grip block 13, right side grip block 14, crossbeam 15 and attachment screw
16；
The left side grip block 13 and the top of right side grip block 14 are fixed on crossbeam 15 by attachment screw 16, and lower end leads to
Cross sunk screw and fix disk cutter 4；
The crossbeam 15 is provided with the bolt hole for connecting installation bolt 18.
The disk cutter is fixed module 3 including arc spring steel plate 17, installation bolt 18, trapezoidal briquetting 19 and tears open
Unload back-up ring 20；
Groove is provided with the middle of the arc spring steel plate 17；It is used to reduce bolt required when flattening arc spring steel plate 17
Pretightning force.
Groove is provided with the middle of the installation bolt 18；
The trapezoidal briquetting 19 and arc spring steel plate 17 are fixed on crossbeam 15 by installation bolt 18；
The dismounting back-up ring 20 is stuck in the groove of installation bolt 18.
The trapezoidal briquetting 19, the inside and outside two ends of the groove of arc spring steel plate 17, the clamping slot on the right boxboard 10 of left boxboard 7
6 are equipped with inclined-plane.
The arc elastic steel plate 17 is driven plain rearward recess medial slope and coordinates with the contact of incline plane of trapezoidal briquetting 19；So as to increase
The rigidity of arc spring steel plate 17 when processing is made.
The horizontal direction of arc elastic steel plate 17 elongation after installation bolt 18 is tightened, two ends are stretched into clamping slot 6, with a left side
The contact of incline plane of clamping slot 6 coordinates on boxboard 7, right boxboard 10.So as to position clamping.
The arc elastic steel plate 17, trapezoidal briquetting 19, dismounting back-up ring 20 and installation bolt 18 are equipped with three.
The crossbeam 15 is provided with manipulator crawl draw-in groove 21.It is easy to manipulator to capture to fix.
Claims (8)
1. a kind of shield machine disk cutter girff structure, it is characterised in that：Clamped including disk cutter casing module, disk cutter
Module and disk cutter are fixed module；
The disk cutter being bolted is fixed module and disk cutter self-clamping module is integrally assembled to dish type
In hobboing cutter casing module；
Disk cutter box body formwork block welding is to working on disk.
2. a kind of shield machine disk cutter girff structure as claimed in claim 1, it is characterised in that：The disk cutter casing
Module includes lower boxboard, left boxboard, upper boxboard, upper lift ring, right boxboard and lower lift ring；
The left boxboard and right boxboard upper end are equipped with clamping slot；Inner side two ends are equipped with the locating latch coordinated with disk cutter
Face；
The lower boxboard, left boxboard, right boxboard, upper lift ring and lower lift ring are fixed together by welding.
3. a kind of shield machine disk cutter girff structure as claimed in claim 1, it is characterised in that：The disk cutter clamping
Module includes left side grip block, right side grip block, crossbeam and attachment screw；
The left side grip block and right side grip block top are fixed on crossbeam by attachment screw, and lower end is solid by sunk screw
Determine disk cutter；
The crossbeam is provided with the bolt hole for connecting installation bolt.
4. a kind of shield machine disk cutter girff structure as claimed in claim 3, it is characterised in that：The disk cutter is compressed
Stuck-module includes arc spring steel plate, installation bolt, trapezoidal briquetting and dismounting back-up ring；
Groove is provided with the middle of the arc spring steel plate；
Groove is provided with the middle of the installation bolt；
By installation bolt by the trapezoidal briquetting and arc spring Interal fixation on crossbeam；
The dismounting back-up ring is stuck in the groove of installation bolt.
5. a kind of shield machine disk cutter girff structure as claimed in claim 4, it is characterised in that：The trapezoidal briquetting, arc
Clamping slot on the inside and outside two ends of shape steel spring plate groove, the right boxboard of left boxboard is equipped with inclined-plane.
6. a kind of shield machine disk cutter girff structure as claimed in claim 4, it is characterised in that：The arc elastic steel plate
Rearward recess medial slope is driven plain to coordinate with trapezoidal briquetting contact of incline plane；
The arc elastic steel plate horizontal direction elongation after installation bolt is tightened, two ends are stretched into clamping slot, on left and right boxboard
The contact of incline plane of clamping slot coordinates.
7. a kind of shield machine disk cutter girff structure as claimed in claim 4, it is characterised in that：The arc elastic steel
Plate, trapezoidal briquetting, dismounting back-up ring and installation bolt are equipped with three.
8. a kind of shield machine disk cutter girff structure as claimed in claim 4, it is characterised in that：The crossbeam is provided with machinery
Hand captures draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710133228.1A CN106761795B (en) | 2017-03-08 | 2017-03-08 | A kind of shield machine disk cutter girff structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710133228.1A CN106761795B (en) | 2017-03-08 | 2017-03-08 | A kind of shield machine disk cutter girff structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761795A true CN106761795A (en) | 2017-05-31 |
| CN106761795B CN106761795B (en) | 2018-09-07 |
Family
ID=58961472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710133228.1A Expired - Fee Related CN106761795B (en) | 2017-03-08 | 2017-03-08 | A kind of shield machine disk cutter girff structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761795B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060793A (en) * | 2017-06-19 | 2017-08-18 | 东北大学 | A kind of shield machine list hobboing cutter girff |
| CN107313782A (en) * | 2017-07-14 | 2017-11-03 | 中国铁建重工集团有限公司 | A kind of hob holder |
| CN109236310A (en) * | 2018-11-08 | 2019-01-18 | 大连理工大学 | A kind of Novel cutter holder suitable for TBM tool changing robot fast assembling-disassembling |
| CN109236317A (en) * | 2018-11-08 | 2019-01-18 | 大连理工大学 | A kind of integrated tunneling boring rock tunnel development machine hob holder |
| CN109236318A (en) * | 2018-11-08 | 2019-01-18 | 大连理工大学 | A kind of full face rock tunnel boring machine integration tool apron |
| CN109531623A (en) * | 2018-11-26 | 2019-03-29 | 东北大学 | A kind of disk cutter tool changing robot simulation testing stand and its application method |
| CN109736828A (en) * | 2019-01-12 | 2019-05-10 | 大连理工大学 | A kind of tunneling boring rock tunnel development machine hob holder based on robot manipulation |
| CN109944601A (en) * | 2019-04-28 | 2019-06-28 | 中铁工程装备集团有限公司 | A kind of New Kind of Hob tooling system and its installation method |
| CN110080788A (en) * | 2019-06-06 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of shield machine roller cutter girff device |
| CN110454182A (en) * | 2019-08-31 | 2019-11-15 | 中铁工程装备集团有限公司 | A kind of complete-section tunnel boring machine tool changing Robot visual location structure and method |
| CN112682059A (en) * | 2021-01-30 | 2021-04-20 | 安徽唐兴机械装备有限公司 | Disc-shaped cutter head with semicircular stop blocks and push bench applying same |
| CN112727488A (en) * | 2021-01-30 | 2021-04-30 | 安徽唐兴机械装备有限公司 | Device capable of being used for automatic tool bit replacement of push bench |
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| JP3594291B2 (en) * | 1999-07-12 | 2004-11-24 | 鹿島建設株式会社 | Cutter bit changer for shield machine |
| CN102305084A (en) * | 2011-08-04 | 2012-01-04 | 无锡盾建重工制造有限公司 | Installation structure for cylindrical forward knife in cylindrical hob box |
| CN202108519U (en) * | 2011-07-01 | 2012-01-11 | 无锡盾建重工制造有限公司 | Cutter box installation structure of tip teeth for shield machines |
| CN202132048U (en) * | 2011-07-22 | 2012-02-01 | 无锡盾建重工制造有限公司 | Fixing structure of hobbing cutter with square end covers of shield machine |
| CN202140095U (en) * | 2011-07-28 | 2012-02-08 | 王茂 | Installation structure of hobbing cutter and cylindrical cutter box with arc end covers |
| CN202187773U (en) * | 2011-08-04 | 2012-04-11 | 无锡盾建重工制造有限公司 | Installation structure of cutter box of advancing cutter in cylindrical hobbing cutter box |
| CN102635366A (en) * | 2012-04-26 | 2012-08-15 | 上海隧道工程股份有限公司 | Self-positioning disc-type hob device |
| CN202493270U (en) * | 2012-01-20 | 2012-10-17 | 张厚美 | Floating type shock absorption cutter box for installing hob |
-
2017
- 2017-03-08 CN CN201710133228.1A patent/CN106761795B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3594291B2 (en) * | 1999-07-12 | 2004-11-24 | 鹿島建設株式会社 | Cutter bit changer for shield machine |
| CN202108519U (en) * | 2011-07-01 | 2012-01-11 | 无锡盾建重工制造有限公司 | Cutter box installation structure of tip teeth for shield machines |
| CN202132048U (en) * | 2011-07-22 | 2012-02-01 | 无锡盾建重工制造有限公司 | Fixing structure of hobbing cutter with square end covers of shield machine |
| CN202140095U (en) * | 2011-07-28 | 2012-02-08 | 王茂 | Installation structure of hobbing cutter and cylindrical cutter box with arc end covers |
| CN102305084A (en) * | 2011-08-04 | 2012-01-04 | 无锡盾建重工制造有限公司 | Installation structure for cylindrical forward knife in cylindrical hob box |
| CN202187773U (en) * | 2011-08-04 | 2012-04-11 | 无锡盾建重工制造有限公司 | Installation structure of cutter box of advancing cutter in cylindrical hobbing cutter box |
| CN202493270U (en) * | 2012-01-20 | 2012-10-17 | 张厚美 | Floating type shock absorption cutter box for installing hob |
| CN102635366A (en) * | 2012-04-26 | 2012-08-15 | 上海隧道工程股份有限公司 | Self-positioning disc-type hob device |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060793B (en) * | 2017-06-19 | 2019-01-29 | 东北大学 | A kind of shield machine list hobboing cutter girff |
| CN107060793A (en) * | 2017-06-19 | 2017-08-18 | 东北大学 | A kind of shield machine list hobboing cutter girff |
| CN107313782A (en) * | 2017-07-14 | 2017-11-03 | 中国铁建重工集团有限公司 | A kind of hob holder |
| CN109236318B (en) * | 2018-11-08 | 2020-09-29 | 大连理工大学 | Integrated cutter holder of full-face rock tunnel boring machine |
| CN109236310A (en) * | 2018-11-08 | 2019-01-18 | 大连理工大学 | A kind of Novel cutter holder suitable for TBM tool changing robot fast assembling-disassembling |
| CN109236317A (en) * | 2018-11-08 | 2019-01-18 | 大连理工大学 | A kind of integrated tunneling boring rock tunnel development machine hob holder |
| CN109236318A (en) * | 2018-11-08 | 2019-01-18 | 大连理工大学 | A kind of full face rock tunnel boring machine integration tool apron |
| CN109531623A (en) * | 2018-11-26 | 2019-03-29 | 东北大学 | A kind of disk cutter tool changing robot simulation testing stand and its application method |
| CN109531623B (en) * | 2018-11-26 | 2021-08-10 | 东北大学 | Simulation test bed for disc hob cutter changing robot and use method thereof |
| CN109736828A (en) * | 2019-01-12 | 2019-05-10 | 大连理工大学 | A kind of tunneling boring rock tunnel development machine hob holder based on robot manipulation |
| CN109944601A (en) * | 2019-04-28 | 2019-06-28 | 中铁工程装备集团有限公司 | A kind of New Kind of Hob tooling system and its installation method |
| CN110080788A (en) * | 2019-06-06 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of shield machine roller cutter girff device |
| CN110454182A (en) * | 2019-08-31 | 2019-11-15 | 中铁工程装备集团有限公司 | A kind of complete-section tunnel boring machine tool changing Robot visual location structure and method |
| CN110454182B (en) * | 2019-08-31 | 2021-07-02 | 中铁工程装备集团有限公司 | Full-face tunnel boring machine tool changing robot visual positioning structure and method |
| CN112682059A (en) * | 2021-01-30 | 2021-04-20 | 安徽唐兴机械装备有限公司 | Disc-shaped cutter head with semicircular stop blocks and push bench applying same |
| CN112727488A (en) * | 2021-01-30 | 2021-04-30 | 安徽唐兴机械装备有限公司 | Device capable of being used for automatic tool bit replacement of push bench |
| CN112727488B (en) * | 2021-01-30 | 2023-03-31 | 安徽唐兴装备科技股份有限公司 | Device capable of being used for automatic tool bit replacement of push bench |
| CN112682059B (en) * | 2021-01-30 | 2024-06-04 | 安徽唐兴装备科技股份有限公司 | Disc-shaped cutter disc with semicircular stop block and push bench using disc-shaped cutter disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106761795B (en) | 2018-09-07 |
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