CN108825258A - Development machine and its knife of backbreaking - Google Patents
Development machine and its knife of backbreaking Download PDFInfo
- Publication number
- CN108825258A CN108825258A CN201811032607.2A CN201811032607A CN108825258A CN 108825258 A CN108825258 A CN 108825258A CN 201811032607 A CN201811032607 A CN 201811032607A CN 108825258 A CN108825258 A CN 108825258A
- Authority
- CN
- China
- Prior art keywords
- backbreaking
- knife
- wall
- tool apron
- cutter
- 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
- 238000011161 development Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 20
- 210000003746 feather Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 230000002411 adverse Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention discloses a kind of knife of backbreaking of development machine, including hollow cutterhead and the guide rail sleeve for being installed on cutterhead inside and both ends open, the outer end of guide rail sleeve stretches out in the outer end of cutterhead, tool apron is coaxially arranged in guide rail sleeve, tool apron can be flexible along the extending direction of guide rail sleeve, the outer end of tool apron has been removably installed cutter, guide rail sleeve inner is equipped with cylinder barrel, periphery in the middle part of tool apron is provided with the piston of the protrusion in sealing contact with inner wall of cylinder, cylinder barrel both ends are provided with the hydraulic fluid port for hydraulic oil disengaging, cutterhead side is provided with the installing port for cutter disengaging.Cutter takes out on rear side of cutterhead, without digging cavern from knife side of backbreaking, can fast implement the replacement for knife of backbreaking, improve knife replacement efficiency of backbreaking, reduce construction cost, improve working security.Invention additionally discloses a kind of development machines including above-mentioned knife of backbreaking.
Description
Technical field
The present invention relates to heading equipment fields, more particularly to a kind of knife of backbreaking of development machine.Moreover, it relates to
A kind of development machine including above-mentioned knife of backbreaking.
Background technique
Development machine be it is main using tool in current underground tunnel project, be widely used in city underground, water conservancy
The infrastructural projects such as water power, railway, highway.Usual development machine is in turning, correction operation or before replacement outermost hobboing cutter,
It is required to carry out radial dig to tunnel using knife is backbreak.As it can be seen that knife of backbreaking is one of the important cutter that combined type cutterhead is equipped with.
Knife of backbreaking once is seriously worn or damages, by development machine dig ability and construction efficiency brings extreme influence.
When more renew backbreak knife when, existing method be first cut off oil cylinder cover board, and need in the side for backbreaking cutter position
Face hole wall digs cavern, then replaces cutter of backbreaking using cavern space by operating personnel.This operation mode needs are manually opened
The multiplexings kind such as welding cooperates in chisel, hole, and operating process is cumbersome and operation risk is high, and construction efficiency is low, seriously affects and applies
Work progress.
Therefore, how one kind is provided and both meets function of backbreaking, while can realize safe and convenient more in limited, adverse circumstances
The knife of backbreaking changed is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
The object of the present invention is to provide a kind of knife of backbreaking of development machine, cutterhead side is equipped with installing port, and each component can lead to
It crosses installing port and carries out dismounting and change, both meet function of backbreaking, while can realize that safe and convenient is replaced in limited, adverse circumstances.
It is a further object of the present invention to provide a kind of development machines including above-mentioned knife of backbreaking.
In order to solve the above technical problems, the present invention provides a kind of knife of backbreaking of development machine, including hollow cutterhead and installation
In the cutterhead inside and the guide rail sleeve of both ends open, the outer end of the guide rail sleeve stretches out in the outer end of the cutterhead, institute
It states and is coaxially arranged with tool apron in guide rail sleeve, the tool apron can be flexible along the extending direction of the guide rail sleeve, the tool apron
Outer end be removably installed cutter, the guide rail sleeve inner is equipped with cylinder barrel, and the periphery in the middle part of the tool apron is provided with
The piston of protrusion in sealing contact, the cylinder barrel both ends are provided with the hydraulic fluid port for hydraulic oil disengaging, institute with the inner wall of cylinder
It states cutterhead side and is provided with the installing port passed in and out for the cutter.
Preferably, the guide rail sleeve inner is stepped hole, and the outer diameter of the stepped hole is less than inner end diameter, described
Cylinder barrel is installed on the stepped hole inner end, and the cylinder barrel outer end is coaxially arranged with outer guide sleeve, the both ends point of the outer guide sleeve
Step not with the cylinder barrel outer end face and the stepped hole offsets, and the inner wall of the outer guide sleeve and the tool apron outer wall seal
Contact, the cylinder barrel inner end is coaxially arranged with interior guide sleeve, and the interior guide sleeve offsets with the cylinder barrel inner face, and with it is described
Guide rail sleeve inner end is detachably connected, and the inner wall of the interior guide sleeve and the tool apron outer wall are in sealing contact, outside the stepped hole
The inner wall at end and the tool apron outer wall are in sealing contact.
Preferably, the first sealing ring, the piston outer wall, the outer guiding are provided on the inner wall of the ladder outer end of hole
The second sealing ring is provided on set inner wall and the interior guide sleeve inner wall.
Preferably, the cutter two sides are provided with connector, the tool apron be internally provided with for cutter disengaging and
Mounting hole through the tool apron both ends, the tool parts stretch out in the installation outer end of hole, set in the inner wall of the hole installing
It is equipped with locating slot, the voussoir contacted with the connector is provided in the locating slot, further includes and the voussoir and the company
The briquetting that fitting is detachably connected, for fixing the position of the cutter.
Preferably, the connector and the voussoir is bolted in the briquetting.
Preferably, the installing port is detachably equipped with cover board out.
Preferably, the cutter is specially double-edged hobbing cutter, serrated knife or tearing cutter.
Preferably, the guide ring for stretching out in the guide rail sleeve inner end, institute are detachably installed on the tool apron inner face
It states guide ring periphery and is provided with axially extending sliding slot, be detachably equipped on the guide rail sleeve inner face described for blocking
First protective cover of tool apron inner face and outer wall is detachably equipped with axially extending guiding on the first protective cover inner wall
Key, the feather key are installed in the sliding slot and can move axially along the sliding slot.
Preferably, the second protection for the tool apron inner wall in sealing contact is detachably installed on first protective cover
Cover.
The present invention provides a kind of development machine, including rack and is installed on the knife of backbreaking of the rack, the cutter of backbreaking
Body is knife of backbreaking described in above-mentioned any one.
The present invention provides a kind of knife of backbreaking of development machine, including hollow cutterhead and is installed on cutterhead inside and both ends open
Guide rail sleeve, the outer end of guide rail sleeve stretches out in the outer end of cutterhead, tool apron is coaxially arranged in guide rail sleeve, and tool apron being capable of edge
The extending direction of guide rail sleeve is flexible, and the outer end of tool apron has been removably installed cutter, and guide rail sleeve inner is equipped with cylinder barrel, knife
The periphery at seat middle part is provided with the piston of the protrusion in sealing contact with inner wall of cylinder, and cylinder barrel both ends are provided with to be passed in and out for hydraulic oil
Hydraulic fluid port, cutterhead side be provided with for cutter disengaging installing port.
It is flexible to enter driving tool apron in cylinder barrel for hydraulic oil in the course of work, and then with cutter in stretching in guide rail sleeve,
Realization digs function to face, brings great convenience for constructions such as development machine turning, correction and replacement outermost cutters, needs
When replacing cutter, connector and cutter fastener are removed, cutter is taken out by installing port, completes the replacement of cutter immediately.Cutter from
It is taken out on rear side of cutterhead, without digging cavern from knife side of backbreaking, the replacement for knife of backbreaking can be fast implemented, improve knife replacement of backbreaking
Efficiency reduces construction cost, improves working security.
The present invention also provides a kind of development machines including above-mentioned knife of backbreaking, since above-mentioned cutter of backbreaking has above-mentioned technology to imitate
Fruit, above-mentioned development machine should also have same technical effect, no longer be discussed in detail herein.
Detailed description of the invention
Fig. 1 is a kind of schematic front view of specific embodiment of knife provided by the present invention of backbreaking；
Fig. 2 is a kind of A of specific embodiment of knife provided by the present invention of backbreaking to cross-sectional view；
Fig. 3 is a kind of B of specific embodiment of knife provided by the present invention of backbreaking to cross-sectional view；
Fig. 4 is a kind of disassembly process figure of specific embodiment of knife provided by the present invention of backbreaking.
Specific embodiment
The object of the present invention is to provide a kind of knife of backbreaking of development machine, cutterhead side is equipped with installing port, and each component can lead to
It crosses installing port and carries out dismounting and change, both meet function of backbreaking, while can realize that safe and convenient is replaced in limited, adverse circumstances.
It is a further object of the present invention to provide a kind of development machines including above-mentioned knife of backbreaking.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Please refer to figs. 1 to 4, and Fig. 1 is a kind of main view signal of specific embodiment of knife provided by the present invention of backbreaking
Figure；Fig. 2 is a kind of A of specific embodiment of knife provided by the present invention of backbreaking to cross-sectional view；Fig. 3 is provided by the present invention
Backbreak knife a kind of specific embodiment B to cross-sectional view；Fig. 4 is a kind of specific embodiment party of knife provided by the present invention of backbreaking
The disassembly process figure of formula.
The specific embodiment of the invention provides a kind of knife of backbreaking of development machine, including cutterhead 18, guide rail sleeve 12, tool apron 3,
Cylinder barrel 5 and cutter 1.Wherein, the one end of each component close to equipment far from cutter 1 is inner end, close to the one end of cutter far from equipment
For outer end, cutterhead 18 is hollow, and one end far from equipment is provided with opening, and guide rail sleeve 12 is set to inside cutterhead 18, guide rail sleeve
12 both ends opens of cylinder, and the outer end of guide rail sleeve 12 stretches out in the outer end of cutterhead 18.Cutterhead 18 can pass through with guide rail sleeve 12
The mode of welding connects, and can also be used and the modes such as is bolted and is attached.Tool apron 3, knife are coaxially arranged in guide rail sleeve 12
Seat 3 can be flexible along the extending direction of guide rail sleeve 12, and the outer end of tool apron 3 has been removably installed cutter 1, i.e., cutter 1 can
It is extend out to the external world, 18 side of cutterhead is provided with the installing port passed in and out for cutter 1.
According to the needs of excavation, the needs of cutter 1 are obliquely installed, therefore the side wall of cutterhead 18 is arranged to different length,
Make the deflection that is open, and then be obliquely installed tool apron 3, the cutter 1 for being installed on tool apron 3 can also tilt, while make the inner end of tool apron 3
It is directed at the installing port of 18 side of cutterhead, replacement easy to disassemble.
Cylinder barrel 5 is installed inside guide rail sleeve 12, the periphery at 3 middle part of tool apron is provided with the piston of protrusion, tool apron 3 other
Part is considered as piston rod, and sealing element is arranged at 5 both ends of cylinder barrel, forms enclosed construction, 5 both ends of cylinder barrel are provided with for hydraulic oil
The hydraulic fluid port of disengaging, 5 inner wall of cylinder barrel piston in sealing contact form oil cylinder structure of hydraulic by above-mentioned component, and hydraulic oil passes through hydraulic fluid port
Into inside cylinder barrel 5, piston axial movement is pushed, realizes the flexible of cutter 1.In order to facilitate connection fluid pressure line, can lead
Opening is arranged in the position of the corresponding hydraulic fluid port of rail sleeve 12.
The enclosure space that hydraulic oil is formed by hydraulic fluid port disengaging cylinder barrel 5 in the course of work, can push piston mobile, with driving
Tool apron 3 is flexible, and then stretches with cutter 1 in guide rail sleeve 12, and realization digs function to face, for development machine turning, entangles
Great convenience is brought with constructions such as replacement outermost cutters partially, when needing replacing cutter 1, removes connector and cutter fastening
Part takes out cutter 1 by installing port, completes the replacement of cutter 1 immediately.Cutter 1 can take out on rear side of cutterhead 18, without from knife of backbreaking
Cavern is dug in side, can fast implement the replacement for knife of backbreaking, and improves knife replacement efficiency of backbreaking, reduces construction cost, raising is applied
Work safety, structure is more compact, saves space.
It is stepped hole inside guide rail sleeve 12, the outer diameter of stepped hole is small to form stable oil cylinder structure of hydraulic
In inner end diameter, cylinder barrel 5 is installed on stepped hole inner end, while the internal diameter of cylinder barrel 5 is greater than the internal diameter of ladder outer end of hole, piston it is straight
The internal diameter of diameter and cylinder barrel 5 matches, and after cylinder barrel 5 and tool apron 3 are installed, the outer wall and ladder outer end of hole of 3 outer end of tool apron are straight
The inner wall of diameter smaller part is in sealing contact, has interval between the outer wall of corresponding 5 part of cylinder barrel of tool apron 3 and the inner wall of cylinder barrel 5, simultaneously
This interval is separated into two mutually independent spaces by piston.
Stepped hole inner end is also equipped with the outer guide sleeve 4 and interior guide sleeve 7 coaxial with cylinder barrel 5, and outer guide sleeve 4 is set to cylinder
5 outer ends of cylinder, step of the both ends respectively with 5 outer end face of cylinder barrel and stepped hole offset, and the inner wall and 3 outer wall of tool apron of outer guide sleeve 4 are close
Sealing-in touching, 5 inner end of cylinder barrel is coaxially arranged with interior guide sleeve 7, and interior guide sleeve 7 offsets with 5 inner face of cylinder barrel, and with guide rail sleeve 12
Inner end is detachably connected, and the inner wall and 3 outer wall of tool apron of interior guide sleeve 7 are in sealing contact, passes through 7 shape of outer guide sleeve 4 and interior guide sleeve
At enclosed construction, and realize the limit mobile to piston.Specifically, interior 7 periphery of guide sleeve is provided with outwardly extending flange, and
Guide rail sleeve 12 is connected by the first bolt 14, the modes such as clamping or threaded connection can also be used.
In order to improve sealing effect, the first sealing ring 2, piston outer wall, outer guiding are provided on the inner wall of ladder outer end of hole
It covers and is provided with the second sealing ring 6 on 7 inner wall of 4 inner walls and interior guide sleeve.Annular groove is set in corresponding position, sealing ring is installed
Enter annular groove.
In the knife of backbreaking that the specific embodiment of the invention provides, 1 two sides of cutter are provided with connector, set inside tool apron 3
It is equipped with the mounting hole for passing in and out and running through 3 both ends of tool apron for cutter 1,1 part of cutter stretches out in installation outer end of hole, inner wall of the hole installing
On be provided with symmetrically arranged locating slot, further include briquetting 20 and symmetrically arranged voussoir 19,1 part of cutter stretches out in when installation
Mounting hole is partially located in mounting hole, and connector is located at the position of corresponding locating slot, by the installation of voussoir 19 such as locating slot, makes wedge
Block 19 is contacted with connector, then installs briquetting 20, and upper surface and the connector of briquetting 20 are detachably connected, specifically, can lead to
The connection of the 5th bolt 21 is crossed, the two sides inclined-plane of briquetting 20 and the voussoir 19 of two sides are detachably connected, and specifically, can also pass through bolt
Connection, when cutter 1 is by inward force, connector can inwardly push voussoir 19, and it is i.e. fixed that the voussoir 19 of two sides squeezes briquetting 20
Position slot, but can not retreat, when cutter 1 is forced outwardly, briquetting 20 is driven to squeeze voussoir 19, voussoir 19 squeezes locating slot,
It can not advance, realize the fixation of 1 position of cutter through the above way, and realize and be detachably connected, by special mode of transfer force,
Equipment intensity is improved, other modes can also be used, is such as directly connected with, or the modes such as clamping, in protection of the invention
Within the scope of.
Cutter 1 can be replaced according to the actual working conditions, such as use double-edged hobbing cutter, serrated knife or tearing cutter.For
Protection internal structure, prevents foreign matter from entering, needs to close installing port, it is therefore desirable to cover closure installing port be arranged.
Cover board can be connect by bolt with cutterhead 18, can also be connected by modes such as buckle or sliding slots, can according to circumstances be adjusted cover board
Quantity and connection type, it is within the scope of the present invention.
Above-mentioned each specific embodiment provide backbreak knife on the basis of, be detachably equipped on 3 inner face of tool apron and stretch
For the guide ring 10 of 12 inner end of guide rail sleeve, 10 periphery of guide ring is provided with axially extending sliding slot, 12 inner end of guide rail sleeve
The first protective cover 8 for blocking 3 inner face of tool apron and outer wall is detachably installed on face, it is removable on 8 inner wall of the first protective cover
It unloads and axially extending feather key 9 is installed, feather key 9 is installed in sliding slot and can move axially along the chute.Further, also
The second protective cover 11 for 3 inner wall of tool apron in sealing contact can be detachably installed on the first protective cover 8.Pass through setting the
Tool apron 3 is stretched out in the portion envelops of 12 inner end of guide rail sleeve by one protective cover 8 and the second protective cover 11, completely cuts off external mud
Water, sandy soil enter, and preventing from backbreaking after knife stretches out normally to retract.Guide ring 10 is moved synchronously with tool apron 3 simultaneously, and tool apron 3 is stretched
In compression process, the first protective cover 8 and the connection guide rail sleeve 12 of feather key 9 are fixed, and tool apron 3 and guide ring 10 move, due to
Feather key 9 is located in sliding slot, can not generate and rotate in a circumferential direction, and can only move axially.
Specifically, the first protective cover 8 is connect with guide rail sleeve 12 by the second bolt 15, and guide ring 10 passes through with tool apron 3
Third bolt 16 connects, and the first protective cover 8 and the second protective cover 11 are connected by the 4th bolt 17, the first protective cover 8 and guiding
Key 9 is connected by the 6th bolt 22, other connection types such as clamping or threaded connection can also be used.Can also in 3 inner wall of tool apron and
Third sealing ring 13 is set between second protective cover 11.
When backbreaking knife serious wear or damaging, cutter 1 is needed to change.The 4th bolt 17 first is removed from 18 rear portion of cutterhead, is taken
Lower second protective cover 11, successively removes the 5th bolt 21, briquetting 20 and voussoir 19 then along the cavity at 3 rear portion of tool apron, finally
Remove the cutter 1 needed to change.It is then operated according to dismantling opposite step when reinstalling, whole operation process safety, just
It is prompt.It can also further be dismantled, quickly and easily with changing the components such as cylinder barrel 5, tool apron 3.
In addition to above-mentioned knife of backbreaking, a specific embodiment of the invention also provides a kind of development machine including above-mentioned knife of backbreaking,
Refer to the prior art for the structure of other each sections of the development machine, and repeats no more herein.
Development machine provided by the present invention and its knife of backbreaking are described in detail above.It is used herein specifically a
Principle and implementation of the present invention are described for example, and it is of the invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection scope in.
Claims (10)
1. a kind of knife of backbreaking of development machine, which is characterized in that including hollow cutterhead (18) and be installed in the cutterhead (18)
The outer end of the guide rail sleeve (12) of portion and both ends open, the guide rail sleeve (12) stretches out in the outer end of the cutterhead (18), institute
It states and is coaxially arranged with tool apron (3) in guide rail sleeve (12), the tool apron (3) can be along the extending direction of the guide rail sleeve (12)
Flexible, the outer end of the tool apron (3) has been removably installed cutter (1), is equipped with cylinder barrel inside the guide rail sleeve (12)
(5), the periphery in the middle part of the tool apron (3) is provided with the piston of the protrusion in sealing contact with the cylinder barrel (5) inner wall, the cylinder barrel
(5) both ends are provided with the hydraulic fluid port for hydraulic oil disengaging, and cutterhead (18) side is provided with for the cutter (1) disengaging
Installing port.
2. knife according to claim 1 of backbreaking, which is characterized in that it is stepped hole inside the guide rail sleeve (12), it is described
The outer diameter of stepped hole is less than inner end diameter, and the cylinder barrel (5) is installed on the stepped hole inner end, cylinder barrel (5) outer end
Be coaxially arranged with outer guide sleeve (4), the both ends of the outer guide sleeve (4) respectively with the cylinder barrel (5) outer end face and the ladder
The step in hole offsets, and the inner wall and the tool apron (3) outer wall of the outer guide sleeve (4) are in sealing contact, and cylinder barrel (5) inner end is same
Axis is provided with interior guide sleeve (7), and the interior guide sleeve (7) offsets with the cylinder barrel (5) inner face, and with the guide rail sleeve
(12) inner end is detachably connected, and the inner wall and the tool apron (3) outer wall of the interior guide sleeve (7) are in sealing contact, the stepped hole
The inner wall of outer end and the tool apron (3) outer wall are in sealing contact.
3. knife according to claim 2 of backbreaking, which is characterized in that it is close to be provided with first on the inner wall of the ladder outer end of hole
It is close to be provided with second on the piston outer wall, the outer guide sleeve (4) inner wall and the interior guide sleeve (7) inner wall for seal (2)
Seal (6).
4. knife according to claim 1 of backbreaking, which is characterized in that cutter (1) two sides are provided with connector, the knife
Seat (3) is internally provided with the mounting hole for passing in and out and running through the tool apron (3) both ends for the cutter (1), cutter (1) portion
Point stretch out in the installation outer end of hole, locating slot be provided in the inner wall of the hole installing, be provided in the locating slot with it is described
The voussoir (19) of connector contact, further includes the briquetting (20) being detachably connected with the voussoir (19) and the connector, is used
In the position of the fixation cutter (1).
5. knife according to claim 4 of backbreaking, which is characterized in that the connector is bolted in the briquetting (20)
And the voussoir (19).
6. knife according to claim 1 of backbreaking, which is characterized in that the installing port is detachably equipped with cover board out.
7. knife according to claim 1 of backbreaking, which is characterized in that the cutter (1) is specially double-edged hobbing cutter, serrated knife or tears
Split knife.
8. according to claim 1 to knife of backbreaking described in 7 any one, which is characterized in that removable on tool apron (3) inner face
The guide ring (10) for being equipped with and stretching out in guide rail sleeve (12) inner end is unloaded, guide ring (10) periphery is provided with axial prolong
The sliding slot stretched detachably is equipped with for blocking the tool apron (3) inner face and outer wall on guide rail sleeve (12) inner face
The first protective cover (8), be detachably equipped with axially extending feather key (9) on the first protective cover (8) inner wall, it is described to lead
It is installed in the sliding slot and can be moved axially along the sliding slot to key (9).
9. knife according to claim 8 of backbreaking, which is characterized in that detachably installed on first protective cover (8) useful
In the second protective cover (11) of tool apron (3) inner wall in sealing contact.
10. a kind of development machine, including rack and it is installed on the knife of backbreaking of the rack, which is characterized in that the cutter of backbreaking
Body is knife of backbreaking described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811032607.2A CN108825258B (en) | 2018-09-05 | 2018-09-05 | Heading machine and super-digging cutter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811032607.2A CN108825258B (en) | 2018-09-05 | 2018-09-05 | Heading machine and super-digging cutter thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825258A true CN108825258A (en) | 2018-11-16 |
| CN108825258B CN108825258B (en) | 2024-05-07 |
Family
ID=64149536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811032607.2A Active CN108825258B (en) | 2018-09-05 | 2018-09-05 | Heading machine and super-digging cutter thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825258B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854268A (en) * | 2019-01-23 | 2019-06-07 | 中铁大桥科学研究院有限公司 | A kind of rock tunnel(ling) machine can push type backbreak hob device and hobboing cutter method of adjustment |
| CN110043276A (en) * | 2019-05-22 | 2019-07-23 | 中国铁建重工集团股份有限公司 | Tunnel boring machine, cutter head and hob seat protection structure |
| CN112593953A (en) * | 2020-12-15 | 2021-04-02 | 中国铁建重工集团股份有限公司 | Expanding excavation device for replacing cutter on cutter head and cutter replacing method |
| WO2023125651A1 (en) * | 2021-12-28 | 2023-07-06 | 中铁工程装备集团有限公司 | Cutter device, tunneling machine, and cutter changing method |
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| CN109854268A (en) * | 2019-01-23 | 2019-06-07 | 中铁大桥科学研究院有限公司 | A kind of rock tunnel(ling) machine can push type backbreak hob device and hobboing cutter method of adjustment |
| CN109854268B (en) * | 2019-01-23 | 2024-03-15 | 中铁大桥科学研究院有限公司 | Push-out type super-excavation hob device of tunnel boring machine and hob adjusting method |
| CN110043276A (en) * | 2019-05-22 | 2019-07-23 | 中国铁建重工集团股份有限公司 | Tunnel boring machine, cutter head and hob seat protection structure |
| CN110043276B (en) * | 2019-05-22 | 2024-04-23 | 中国铁建重工集团股份有限公司 | Tunnel boring machine, cutter head and hob blade holder protection structure |
| CN112593953A (en) * | 2020-12-15 | 2021-04-02 | 中国铁建重工集团股份有限公司 | Expanding excavation device for replacing cutter on cutter head and cutter replacing method |
| WO2023125651A1 (en) * | 2021-12-28 | 2023-07-06 | 中铁工程装备集团有限公司 | Cutter device, tunneling machine, and cutter changing method |
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