CN108825227A - Development machine cutter device and development machine - Google Patents
Development machine cutter device and development machine Download PDFInfo
- Publication number
- CN108825227A CN108825227A CN201810897379.9A CN201810897379A CN108825227A CN 108825227 A CN108825227 A CN 108825227A CN 201810897379 A CN201810897379 A CN 201810897379A CN 108825227 A CN108825227 A CN 108825227A
- Authority
- CN
- China
- Prior art keywords
- positioning
- development machine
- cutter device
- fixing sleeve
- duct
- 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
- 210000000515 tooth Anatomy 0.000 claims abstract description 43
- 238000005520 cutting process Methods 0.000 claims abstract description 32
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels
- E21C25/18—Saws; Discs; Wheels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/02—Locking equipment for slewable parts
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Details Of Cutting Devices (AREA)
- Road Repair (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of development machine cutter device and development machines.Development machine cutter device includes：Axis (1)；Cutting part (2) is equipped with the duct (3) extended towards axis (1)；Threaded fastener (4) passes through duct (3) and connect with axis (1), cutting part (2) and axis (1) are linked together；Fixing sleeve (5) is located in duct (3), and is set between threaded fastener (4) and cutting part (2), and fixing sleeve (2) and threaded fastener (4) are relatively fixed；Positioning region, for limiting fixing sleeve (5) rotation in duct (3), positioning region include threadingly multiple positioning tooths (6) circumferentially of fastener (4) and with for limiting the positioning element (7) that circumferentially rotates of the positioning tooth (6) around threaded fastener (4), one in positioning tooth (6) and positioning element (7) is located on fixing sleeve (5), another is located on cutting part (2).
Description
Technical field
The present invention relates to engineering machinery fields, in particular to a kind of development machine cutter device and development machine.
Background technique
Fig. 1 shows a kind of structural schematic diagram of the development machine cutter device of the relevant technologies.As shown in connection with fig. 1, related skill
The development machine cutter device of art includes the cutting head 2 ' of shaft 1 ' with the end for being set in shaft 1, and cutting head 2 ' is equipped with court and turns
The duct 3 ' that axis 1 ' extends, bolt 4 ' pass through duct 3 ' and connect with shaft 1 ', and cutting head 2 ' and shaft 1 ' are linked together.
Larger due to impacting during cutter device carries out cutting operation, the bolt of connection shaft 1 ' and cutting head 2 ' is easy pine
It is dynamic, to influence normal cutting operation.
Summary of the invention
The present invention is intended to provide a kind of development machine cutter device and development machine, tight to improve screw thread existing in the prior art
Firmware is easy the problem of loosening.
According to an aspect of an embodiment of the present invention, the present invention provides a kind of development machine cutter device, development machine cuttings
Device includes：
Axis；
Cutting part, equipped with the duct extended towards axis；
Threaded fastener passes through duct and axis connection, by cutting part together with axis connection；
Fixing sleeve is located in duct, and is set between threaded fastener and cutting part, fixing sleeve and threaded fastener
It is relatively fixed；
Positioning region rotates in duct for limiting fixing sleeve, positioning region include threadingly fastener circumferentially
Multiple positioning tooths and with for limiting the positioning element that circumferentially rotates of the positioning tooth around threaded fastener, positioning tooth and positioning element
In one be located on fixing sleeve, another is located on cutting part.
Optionally, positioning element can be mobile relative to positioning tooth, in the first position of limitation positioning tooth rotation and permission
Switch between the second position of positioning tooth rotation.
Optionally, development machine cutter device further includes the elastomeric element for pushing positioning element towards first position.
Optionally, positioning tooth includes：
First side, for being rotated in a first direction with limiting fixing sleeve against positioning element；And
Second side, back to first side, for when fixing sleeve is rotated in a second direction, by positioning element towards second
Pushing is set, second direction is opposite with first direction.
Optionally,
First side is tilted along the direction far from threaded fastener towards the downstream of first direction；
Second side is tilted along the direction far from threaded fastener towards the downstream of first direction.
Optionally, the shape of the groove between the shape of positioning element and two neighboring positioning tooth is adapted.
Optionally, positioning element at least two, the spacing between two neighboring positioning tooth are L1, two neighboring positioning region
The distance between part is L2, L1≠n L2, and L2≠n L1, wherein n is natural number.
Optionally, the number of positioning element is N, L2> L1, L1/≤N。
Optionally, development machine cutter device further includes the limiting component for being limited in fixing sleeve in duct.
According to the another aspect of the application, a kind of development machine is additionally provided, development machine includes the above-mentioned development machine cutting of power
Device.
Using the technical solution of the application, fixing sleeve can limit the rotation of threaded fastener, so that playing prevents screw thread tight
Firmware is easy the problem of loosening.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 shows a kind of structural schematic diagram of the development machine cutter device of the relevant technologies；
Fig. 2 shows the structural schematic diagrams of the development machine cutter device of the embodiment of the present invention；
Fig. 3 shows the side structure schematic view of Fig. 2；
Fig. 4 shows the enlarged drawing in Fig. 2 at A；
Fig. 5 shows the side structure schematic view of Fig. 4；
Fig. 6 shows the schematic diagram of internal structure of Fig. 4；
Fig. 7 shows the structural schematic diagram of the cutting part of the development machine cutter device of the embodiment of the present invention；
Fig. 8 shows the side structure schematic view of Fig. 7；
Fig. 9 shows the structural schematic diagram of the fixing sleeve of the development machine cutter device of the embodiment of the present invention；And
Figure 10 shows the side structure schematic view of Fig. 9.
In figure：
1, axis；2, cutting part；3, duct；4, threaded fastener；4a, nut；4b, screw rod；5, fixing sleeve；6, it positions
Tooth；6a, first side；6b, second side；7, positioning element；8, elastomeric element；9, circlip；10, limiting component；11, hold
Receive chamber.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 2 shows the structural schematic diagram of the development machine cutter device of the present embodiment, Fig. 3 shows the side view structure of Fig. 2
Schematic diagram；Fig. 4 shows the enlarged drawing in Fig. 2 at A；Fig. 5 shows the side structure schematic view of Fig. 5.
In conjunction with shown in Fig. 1 to 5, the development machine cutter device of the present embodiment includes axis 1, equipped with the duct 3 extended towards axis 1
Cutting part 2, across the threaded fastener 4 that duct 3 is connect with axis 1, be located in duct 3 and be set in threaded fastener 4 and cut
The positioning region cutting the fixing sleeve 5 between component 2 and being rotated in duct 3 for limiting fixing sleeve 5.In the present embodiment, screw thread is tight
Firmware 4 is connected on the end face of axis 1.Above-mentioned duct 3 is consistent with the extending direction of axis 1.
Fixing sleeve 5 is fixed relative to threaded fastener 4, and positioning region limitation fixing sleeve 5 rotates in duct 3, from limiting
The rotation of threaded fastener 4 solves the problems, such as that screw thread present in the relevant technologies is easy to loosen.
Development machine cutter device further includes that the limiting component 10 for fixing sleeve 5 to be limited in duct 3 is being limited with setting
The circlip of the side back to fixing sleeve 5 of position component 10.
Threaded fastener 4 includes the nut 4a of screw rod 4b with the one end for being located at screw rod 4b.Duct 3 includes the of adjacent shaft 1
One duct and the second duct being connected with the first duct.Internal diameter of the internal diameter in the first duct less than the second duct.Screw rod 4b is passed through
First duct is connect with axis 1.Nut 4a is located in the second duct.Fixing sleeve 5 is arranged in the second duct, and is set in nut 4a
Between cutting part 2.
The shape of the inner cavity of fixing sleeve 5 is adapted with the shape of nut 4a, and fixing sleeve 5 is set on nut 4a, so that solid
Surely set 5 is fixed with nut 4a.Optionally, the shape of the cross section of the inner cavity of the cross-sectional shape of nut 4a and fixing sleeve 5 is
Polygon, so that fixing sleeve 5 and nut 4a are relatively fixed.Certainly, the shape of fixing sleeve 5 and nut 4a can for it is non-circular its
Its shape.
Referring to the multiple positioning tooths circumferentially for shown in Fig. 6,9 and 10, being provided with threadingly fastener 4 on fixing sleeve 5
6, cutting part 2 is equipped with for limiting the positioning element 7 that circumferentially rotates of the positioning tooth 6 around threaded fastener 4.Positioning element 7
Shape and two neighboring positioning tooth 6 between groove be adapted, positioning element 7 between two neighboring positioning tooth 6
It limits positioning tooth 6 to rotate around threaded fastener 4, be rotated so as to limit threaded fastener 4 in duct 3, playing prevents spiral shell
The effect that line fastener 4 loosens.
Certainly can also be：Fixed tooth 6 is located on cutting part 2, and positioning element 7 is located on fixing sleeve 5.
Positioning element 7 can threadingly fastener 4 move radially, in the first position that limitation positioning tooth 6 rotates and to permit
Perhaps switch between the second position that positioning tooth 6 rotates.It, can be by 7 court of positioning element when needing to disassemble threaded fastener 4
The direction of remotely located tooth 6 is moved to the position for allowing fixing sleeve 5 to rotate, then can be by the firm part 7 of screw thread from 2 He of cutting part
It is disassembled on axis 1, in order to separate cutting part 2 and axis 1.
Development machine cutter device further includes the elastomeric element 8 for pushing positioning element 7 towards first position.
Referring to figs. 7 and 8, accommodating chamber 11 identical with duct 3 is provided on cutting part 2, accommodating chamber 11 is by cutting part
The outside of part 2 extends to duct 3, in order to which positioning element 7 to be fitted into accommodating chamber 11 by the outside of cutting part 2.
One section of the cross section at least adjacent to duct 3 of accommodating chamber 11 is tapered along the direction close to duct 3, to limit positioning
Component 7 is towards the distance moved in duct 3.
Positioning element 11 is movably disposed in accommodating chamber 11, the extended accommodating chamber 11 of positioning element 11 and and positioning tooth
6 occlusions, to limit the rotation of positioning tooth 6.In 11 regracting accommodating chamber 11 of positioning element, to allow fixing sleeve 5 and screw threads for fastening portion
Part 4 rotates in duct 3.The position that positioning element 7 is engaged with positioning tooth 6 is above-mentioned first position, and positioning element 7, which retracts, to be held
Receive chamber 11 position be the above-mentioned second position.
In the present embodiment, positioning region can only limit fixing sleeve 5 and be rotated in a first direction, fixing sleeve 5 can in duct 3 along with
The opposite second direction rotation of first direction.First direction is the direction that threaded fastener 4 is unscrewed, and second direction is screw threads for fastening
The direction that part 4 is tightened.
Shown in Figure 6, positioning tooth 6 includes for the first side 6a against positioning element 7, and first side 6a is against fixed
Position component 7 is rotated in a first direction with limiting fixing sleeve 5 and threaded fastener 4.
Positioning tooth 6 further includes the second side 6b back to first side 6a.Second side 6b is used in fixing sleeve 5 along second
Direction overcomes the elastic force of elastomeric element 8 to push positioning element 7 towards the second position when rotating.
First side 6a is tilted along the direction far from threaded fastener 4 towards the downstream of first direction；Second side 6b is along remote
Direction from threaded fastener 4 is tilted towards the downstream of first direction.
Optionally, the connection knot for matching with the tool of rotation threaded fastener 4 is provided on the end face of nut 4a
Structure.Optionally, connection structure includes the polygonal hole being located on the end face of nut 4a.
When being rotated in a first direction threaded fastener 4 using above-mentioned tool, the first side of positioning element 7 and positioning tooth
6a is against fixing sleeve 5 and threaded fastener 4 can not be rotated.
When being rotated in a second direction, threaded fastener 4 using above-mentioned tool, fixing sleeve 5 is with spiral shell fixed piece 4 along second party
To rotation, the second side 6b of positioning tooth 6 pushes positioning element 7 towards the second position, therefore threaded fastener 4 can be along second party
To rotation.
In the present embodiment, positioning element 7 is at least two, and the spacing between two neighboring positioning tooth 6 is L1, adjacent two
The distance between a positioning element 7 is L2, L1 ≠ n L2, and L2 ≠ n L1, wherein n is natural number, therefore, adjacent two
In positioning element 7, first positioning element 7 is engaged with positioning tooth 6 is engaged rotation relative to the second positioning element 7 with positioning tooth
Distance can be less than the spacing between two neighboring positioning tooth 6, so that between the two neighboring position location of threaded fastener 4
Away from smaller.
The number of positioning element 7 is N, L2> L1, L1/L2-L1≤N.Matching relationship between positioning element 7 and positioning tooth 6
The structure for being similar to vernier caliper is formed, so that the spacing between the two neighboring position location of threaded fastener 4 is smaller.
According to the another aspect of the application, the present embodiment additionally provides a kind of development machine, which includes above-mentioned pick
Into machine cutter device.
The above is only exemplary embodiment of the present invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of development machine cutter device, which is characterized in that including：
Axis (1)；
Cutting part (2) is equipped with the duct (3) extended towards the axis (1)；
Threaded fastener (4) passes through the duct (3) and connect with the axis (1), by the cutting part (2) and the axis
(1) it links together；
Fixing sleeve (5) is located in the duct (3), and be set in the threaded fastener (4) and the cutting part (2) it
Between, the fixing sleeve (2) and the threaded fastener (4) are relatively fixed；
Positioning region, for limiting the fixing sleeve (5) rotation in the duct (3), the positioning region includes along the screw thread
Multiple positioning tooths (6) circumferentially of fastener (4) and with for limiting the positioning tooth (6) around the threaded fastener
(4) the positioning element (7) circumferentially rotated, one in the positioning tooth (6) and the positioning element (7) is located at the fixation
It covers on (5), another is located on the cutting part (2).
2. development machine cutter device according to claim 1, which is characterized in that the positioning element (7) can be relative to institute
Positioning tooth (6) movement is stated, to limit the first position of positioning tooth (6) rotation and allow positioning tooth (6) rotation
Switch between the second position.
3. development machine cutter device according to claim 2, which is characterized in that further include for by the positioning element
(7) elastomeric element (8) pushed towards the first position.
4. development machine cutter device according to claim 2, which is characterized in that the positioning tooth (6) includes：
First side (6a), for being rotated in a first direction with limiting the fixing sleeve (5) against the positioning element (7)；With
And
Second side (6b) is used for when the fixing sleeve (5) is rotated in a second direction, back to the first side (6a) by institute
It states positioning element (7) to push towards the second position, the second direction is opposite to the first direction.
5. development machine cutter device according to claim 4, which is characterized in that
The first side (6a) tilts along the direction far from the threaded fastener (4) towards the downstream of the first direction；
The second side (6b) tilts along the direction far from the threaded fastener (4) towards the downstream of the first direction.
6. development machine cutter device according to claim 1, which is characterized in that the shape and phase of the positioning element (7)
The shape of groove between adjacent two positioning tooths (6) is adapted.
7. development machine cutter device according to claim 1, which is characterized in that the positioning element (7) is at least two,
Spacing between the two neighboring positioning tooth (6) is L1, the distance between two neighboring described positioning element (7) is L2, L1≠
n L2, and L2≠n L1, wherein n is natural number.
8. development machine cutter device according to claim 7, which is characterized in that the number of the positioning element (7) is N, L2
> L1, L1/(L2-L1)≤N。
9. development machine cutter device according to claim 1, which is characterized in that further include for by the fixing sleeve (5)
The limiting component (10) being limited in duct.
10. a kind of development machine, which is characterized in that including development machine cutter device described in any one of claims 1 to 9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897379.9A CN108825227B (en) | 2018-08-08 | 2018-08-08 | Cutting device of heading machine and heading machine |
| AU2019320140A AU2019320140B2 (en) | 2018-08-08 | 2019-07-25 | Cutting apparatus of tunneling machine, and tunneling machine |
| PCT/CN2019/097689 WO2020029803A1 (en) | 2018-08-08 | 2019-07-25 | Cutting apparatus of tunneling machine, and tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897379.9A CN108825227B (en) | 2018-08-08 | 2018-08-08 | Cutting device of heading machine and heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825227A true CN108825227A (en) | 2018-11-16 |
| CN108825227B CN108825227B (en) | 2024-08-09 |
Family
ID=64153805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810897379.9A Active CN108825227B (en) | 2018-08-08 | 2018-08-08 | Cutting device of heading machine and heading machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN108825227B (en) |
| AU (1) | AU2019320140B2 (en) |
| WO (1) | WO2020029803A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029803A1 (en) * | 2018-08-08 | 2020-02-13 | 徐州徐工基础工程机械有限公司 | Cutting apparatus of tunneling machine, and tunneling machine |
| CN114929991A (en) * | 2020-01-20 | 2022-08-19 | 山特维克矿山工程机械有限公司 | Cutting assembly for a mining machine |
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| CN201461699U (en) * | 2009-06-19 | 2010-05-12 | 郭武 | Bolt anti-loosing and protecting device |
| CN101963184A (en) * | 2010-09-30 | 2011-02-02 | 赵耀 | Thread fastening device |
| CN201982459U (en) * | 2011-01-27 | 2011-09-21 | 晋德有限公司 | Anti-dismounting bolt |
| CN203822781U (en) * | 2014-04-18 | 2014-09-10 | 温州市诚一箱包五金有限公司 | Tube firmware |
| CN107202061A (en) * | 2016-03-20 | 2017-09-26 | 深圳带路科技有限公司 | A kind of Anti-looseness bolt device |
| CN108071656A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Lock washer component |
| CN108071649A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Fastener |
| CN208831000U (en) * | 2018-08-08 | 2019-05-07 | 徐州徐工基础工程机械有限公司 | Development machine cutter device and development machine |
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| DE4304046A1 (en) * | 1993-02-11 | 1994-08-18 | Westfalia Becorit Ind Tech | Fastening of the cutting strip to the body of a coal plough |
| CN105464661B (en) * | 2010-03-18 | 2018-01-19 | 山东天工岩土工程设备有限公司 | For the pick of digger, abrasion and installation system |
| EP2514918B1 (en) * | 2011-04-20 | 2015-07-29 | Sandvik Intellectual Property AB | Cutting bit and bit holder |
| CN203717592U (en) * | 2014-01-23 | 2014-07-16 | 凯盛重工有限公司 | Anti-loosening device for locking nut |
| RU2753564C2 (en) * | 2016-05-27 | 2021-08-17 | ДЖОЙ ГЛОБАЛ АНДЕРГРАУНД МАЙНИНГ ЭлЭлСи | Cutting device with narrowing cutting element |
| CN108825227B (en) * | 2018-08-08 | 2024-08-09 | 徐州徐工基础工程机械有限公司 | Cutting device of heading machine and heading machine |
-
2018
- 2018-08-08 CN CN201810897379.9A patent/CN108825227B/en active Active
-
2019
- 2019-07-25 AU AU2019320140A patent/AU2019320140B2/en active Active
- 2019-07-25 WO PCT/CN2019/097689 patent/WO2020029803A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201461699U (en) * | 2009-06-19 | 2010-05-12 | 郭武 | Bolt anti-loosing and protecting device |
| CN101963184A (en) * | 2010-09-30 | 2011-02-02 | 赵耀 | Thread fastening device |
| CN201982459U (en) * | 2011-01-27 | 2011-09-21 | 晋德有限公司 | Anti-dismounting bolt |
| CN203822781U (en) * | 2014-04-18 | 2014-09-10 | 温州市诚一箱包五金有限公司 | Tube firmware |
| CN107202061A (en) * | 2016-03-20 | 2017-09-26 | 深圳带路科技有限公司 | A kind of Anti-looseness bolt device |
| CN108071656A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Lock washer component |
| CN108071649A (en) * | 2016-11-16 | 2018-05-25 | 孙愉后 | Fastener |
| CN208831000U (en) * | 2018-08-08 | 2019-05-07 | 徐州徐工基础工程机械有限公司 | Development machine cutter device and development machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029803A1 (en) * | 2018-08-08 | 2020-02-13 | 徐州徐工基础工程机械有限公司 | Cutting apparatus of tunneling machine, and tunneling machine |
| CN114929991A (en) * | 2020-01-20 | 2022-08-19 | 山特维克矿山工程机械有限公司 | Cutting assembly for a mining machine |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2019320140B2 (en) | 2023-02-02 |
| AU2019320140A1 (en) | 2021-04-01 |
| WO2020029803A1 (en) | 2020-02-13 |
| CN108825227B (en) | 2024-08-09 |
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