CN107542476A - A kind of shock resistance shield machine scraper - Google Patents
A kind of shock resistance shield machine scraper Download PDFInfo
- Publication number
- CN107542476A CN107542476A CN201710963726.9A CN201710963726A CN107542476A CN 107542476 A CN107542476 A CN 107542476A CN 201710963726 A CN201710963726 A CN 201710963726A CN 107542476 A CN107542476 A CN 107542476A
- Authority
- CN
- China
- Prior art keywords
- scraper
- tool apron
- type groove
- briquetting
- shield machine
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of shock resistance shield machine scraper,Including scraper tool apron,Scraper body and rear briquetting,Scraper tool apron is provided with U-type groove on front,The scraper tool apron back side is a clinoplain,Scraper tool apron is provided with block slots on bottom surface,Block slots include placement portion and fixed part,Placement portion is arranged on scraper tool apron bottom and is located at U-type groove one end,Fixed part is arranged on the bottom surface of U-type groove both sides,Set in scraper body tail section insertion U-type groove,Scraper body tail section is provided with locating slot on bottom surface,Scraper body tail section is additionally provided with briquetting fixing hole on bottom surface,Briquetting is arranged on the bottom of scraper tool apron afterwards,Briquetting includes base and the wedge rib being arranged on base top surface afterwards,Base is arranged in placement portion,Wedge rib is inserted in fixed part and locating slot,The shock resistance shield machine scraper impact resistance is good,Connecting bolt will not be also damaged even if by low frequency overload,Overall structure is simple and reliable,Convenient disassembly,Maintenance efficiency is high.
Description
Technical field
The present invention relates to shield machine technical field, and in particular to a kind of shock resistance shield machine scraper.
Background technology
Shield machine entitled shielding tunnel excavator entirely, it is a kind of special engineering machinery of tunnel piercing, by updating
And development, turn into the state-of-the-art subterranean tunnel development machine in the current world.It integrates mechanical, electrical, liquid, sensing, information technology, can
The operation under conditions of state of ground is not influenceed, efficiency, the security of construction are greatly improved compared with traditional construction mode, reduced
Cost, extensively using Tunnel Engineering such as subway, railway, highway, municipal administration, water power.Shield machine passes through control in tunneling process
Stretching for hinged oil cylinder, realizes shield body certain angle scope intrinsic deflection, accurate to control tunnel piercing direction.
The complex formation operating mode of shield-tunneling construction is general more severe, and abrasion, the failure of scraper are inevitable, are constructed
It is frequently necessary to change cutter in journey, but due to the limitation of shield machine working environment and operation principle, tool changing operating environment is severe, because
The more firm structure of this demand and more easily mounting means, and conventional drag mounting structure is complicated, dismounting inconvenience, and shock resistance
Limited capacity, easily fall off.In the event of tool damage or coming off in operation process, all by extreme influence job scheduling.
A Publication No. CN204646243U patent of invention, discloses a kind of novel combination type shield scraper, mainly
It is made up of scraper body, alloy body, wearing layer, bolt and the tool rest that is fixed on cutter head panel, it is characterised in that：Described scrapes
Knife cutter hub, which is bolted, to be fixed on tool rest, and the scraper body back side is provided with positive stop lug boss, location and installation groove and positioning
Groove, described tool rest are provided with the positive stop lug boss coordinated with location and installation groove and the clamping boss coordinated with detent, should
Invention designs multiple installation counterbores on scraper body, and multiple bolts hole corresponding with cutter hub counterbore, and knife are designed on tool rest
The groove and boss being used cooperatively at two have been separately designed on body and tool rest, cutter hub is fastened by bolt and tool rest, but its
Point of a knife in work is easily caused connecting bolt to fail by frontal impact so that insecure be easily damaged of scraper installation occurs to take off
The problem of falling.
It is accordingly required in particular to a kind of fill convenient disassembly, firmly install the shock resistance shield machine for being less likely to be damaged and falling off
Scraper, to solve problems of the prior art.
The content of the invention
The defects of the invention aims to solve in the prior art, there is provided one kind dress convenient disassembly, firmly install not
The shock resistance shield machine scraper fallen off is easily damaged, to solve problems of the prior art.
To achieve the above object, technical scheme is as follows：
A kind of shock resistance shield machine scraper, including scraper tool apron, scraper body and rear briquetting, on the scraper tool apron front
U-type groove is provided with, the first mounting hole is provided with the U-type groove bottom surface, the scraper tool apron back side is a clinoplain, described
Block slots are provided with scraper tool apron bottom surface, the block slots include placement portion and fixed part, and the placement portion is arranged on scraper
Tool rest bottom is located at U-type groove one end, and the fixed part is arranged on the bottom surface of U-type groove both sides, and the scraper body tail section is inserted
Enter in U-type groove and set, the scraper body head front is embedded with hard alloy cutter bit, set on the scraper body tail section bottom surface
Locating slot is equipped with, is additionally provided with briquetting fixing hole on the scraper body tail section bottom surface, the scraper body tail section side and the
The second mounting hole is provided with corresponding to one mounting hole on position, the rear briquetting is arranged on the bottom of scraper tool apron, pressed after described
Block includes base and the wedge rib being arranged on base top surface, and the base is arranged in placement portion, and the wedge rib is inserted
Enter in fixed part and locating slot, the rear briquetting is connected by bolt with scraper body.
In order to further realize the present invention, the U-type groove two sides are clinoplain, and the U-type groove is that oral area is big, bottom
The small structure in portion, the inclination angle of the clinoplain of the U-type groove two sides is 50 degree.
In order to further realize the present invention, the inclination angle at the scraper tool apron back side is 70-85 degree.
In order to further realize the present invention, be provided with convex on the scraper tool apron top surface, the scraper body head and
The corner that afterbody combines is provided with the wedge groove to match with convex.
In order to further realize the present invention, the scraper body is set in L-type is inverted.
In order to further realize the present invention, the scraper body head back side is provided with wear-resisting block.
In order to further realize the present invention, the cross section of the locating slot is identical with the shape of the cross section of fixed part, institute
State the both sides that briquetting fixing hole is arranged on locating slot.
In order to further realize the present invention, it is heavy to be provided with the position corresponding with briquetting fixing hole of the rear briquetting bottom
Hole, the bolt is sequentially inserted into counterbore and briquetting fixing hole is attached.
Beneficial effect
(1) during present invention installation, scraper body is from top to bottom slipped into the positive U-type groove of scraper tool apron, the wedge on head
Groove catches on the convex of scraper tool apron, and rear briquetting is embedded in fixed part and locating slot, and passes through bolt and scraper body tail section company
Connecing, the reaction force between rear briquetting and scraper tool apron causes scraper body and scraper tool apron Primary Location, clamping wedge rib,
And wedge rib portion prevents the point of a knife in work from being caused connecting bolt to lose by frontal impact as shock resistance guard pin
Effect, then scraper body is fixed on scraper tool apron through the first mounting hole and the second mounting hole by bolt, will finally be scraped
Knife tool rest is weldingly fixed on cutterhead spoke mainboard, and this fit structure can greatly improve scraper front, side impact resistance,
Connecting bolt will not be also damaged even if by low frequency overload；Overall structure is simple and reliable, convenient disassembly, and maintenance efficiency is high.
(2) U-type groove two sides of the present invention are clinoplain, and after bolt connection compresses, U-type groove faying face will be pasted closely
Close, so as to prevent scraper body that sliding damage connecting bolt is occurred by side extruding force；It is an inclination by the scraper tool apron back side
Plane, ensure that scraper main cutting edge radially, reduces scraper minor flank and be squeezed in cutterhead；Carried on the back by scraper body head
Face is provided with wear-resisting block, can effectively prevent rubble from entering in the angle that rear knife face is formed with rock stratum to be tunneled, so as to subtract
The huge reaction force that knife face compressive zone comes after small, protect scraper.
Brief description of the drawings
Fig. 1 is the structural representation of shock resistance shield machine scraper of the present invention；
Fig. 2 is A-A in Fig. 1 to schematic diagram；
Fig. 3 is the front view of scraper body in shock resistance shield machine scraper of the present invention；
Fig. 4 is the structural representation of scraper body in shock resistance shield machine scraper of the present invention；
Fig. 5 is the structural representation of scraper tool apron in shock resistance shield machine scraper of the present invention；
Fig. 6 is the structural representation of rear briquetting in shock resistance shield machine scraper of the present invention.
Description of reference numerals：
1st, wear-resisting block；2nd, scraper body；21st, wedge groove；22nd, locating slot；23rd, briquetting fixing hole；24th, the second installation
Hole；3rd, hard alloy cutter bit；4th, scraper tool apron；41st, U-type groove；42nd, the first mounting hole；43rd, convex；44th, block slots；441st, pacify
Put portion；442nd, fixed part；7th, rear briquetting；71st, base；72nd, wedge rib；73rd, counterbore.
Embodiment
The present invention is further described in detail below in conjunction with the accompanying drawings, these accompanying drawings are simplified schematic diagram, only
Illustrate the basic structure of the present invention in a schematic way, the direction of this specific implementation is using Fig. 1 directions as standard.
Embodiment one
As shown in figs 1 to 6, shock resistance shield machine scraper of the present invention includes scraper tool apron 4, scraper body 2 and rear briquetting 7,
Wherein：
U-type groove 41 is provided with the front of scraper tool apron 4, the two sides of U-type groove 41 are clinoplain, and U-type groove 41 is oral area
Greatly, the small structure in bottom, the inclination angle of the clinoplain of the two sides of U-type groove 41 is 50 degree, after bolt connection compresses, U-type groove 41
Faying face will be brought into close contact, and be prevented scraper body 2 from being slid by the generation of side extruding force and damaged connecting bolt, on the bottom surface of U-type groove 41
It is provided with the first mounting hole 42, the first mounting hole 42 is provided with four, and the back side of scraper tool apron 4 is a clinoplain, scraper tool apron 4
The inclination angle at the back side is 70-85 degree, ensures that scraper main cutting edge radially, reduces scraper minor flank and be squeezed in cutterhead,
Convex 43 is provided with the top surface of scraper tool apron 4, block slots 44 are provided with the bottom surface of scraper tool apron 4, block slots 44 include placement portion
441 and fixed part 442, placement portion 441 be arranged on the bottom of scraper tool apron 4 and be located at the one end of U-type groove 41, fixed part 442 is arranged on U-shaped
On the bottom surface of the both sides of groove 41.
Scraper body 2 is set in L-type is inverted, and scraper body 2 divides for head and afterbody, the afterbody of scraper body 2 insertion U-type groove
Set in 41, the head front of scraper body 2 is embedded with hard alloy cutter bit 3, and the head back side of scraper body 2 is provided with wear-resisting block
1, it can effectively prevent rubble from entering in the angle that rear knife face and rock stratum tunnel are formed, so as to knife face compressive zone after reducing
Huge reaction force, protect scraper, the corner that the head of scraper body 2 and afterbody combine is provided with what is matched with convex 43
Wedge groove 21, locating slot 22, the cross section of locating slot 22 and the horizontal stroke of fixed part 442 are provided with the afterbody bottom surface of scraper body 2
The shape in section is identical, and scraper body 2 is additionally provided with briquetting fixing hole 23 on afterbody bottom surface, and briquetting fixing hole 23 is arranged on positioning
The both sides of groove 22, the afterbody side of scraper body 2 are provided with the second mounting hole 24 with 42 corresponding position of the first mounting hole.
Briquetting 7 is arranged on the bottom of scraper tool apron 4 afterwards, and rear briquetting 7 includes base 71 and is arranged on the top surface of base 71
Wedge rib 72, base 71 and wedge rib 72 are set for integral type, and base 71 is arranged in placement portion 441, wedge rib 72
Insert in fixed part 442 and locating slot 22, the rear bottom of briquetting 7 is provided with counterbore on the position corresponding with briquetting fixing hole 23
73, rear briquetting 7 is connected by bolt with scraper body 2, and bolt is sequentially inserted into counterbore 73 and briquetting fixing hole 23 is attached.
During installation, scraper body 2 is from top to bottom slipped into the positive U-type groove 41 of scraper tool apron 4, the wedge groove 21 on head
The convex 43 of scraper tool apron 4 is caught on, rear briquetting 7 is embedded in fixed part 442 and locating slot 22, and passes through bolt and scraper body 2
Afterbody connects, and the reaction force between rear briquetting 7 and scraper tool apron 4 causes scraper body 2 and the Primary Location of scraper tool apron 4, blocks
Tight wedge rib 72, and the part of wedge rib 72 prevents the point of a knife in work by frontal impact as shock resistance guard pin
Cause connecting bolt to fail, be then fixed on scraper body 2 through the first mounting hole 42 and the second mounting hole 24 by bolt
On scraper tool apron 4, finally scraper tool apron 4 is weldingly fixed on cutterhead spoke mainboard, this fit structure can be greatly improved and scraped
Knife front, side impact resistance, connecting bolt will not be also damaged even if by low frequency overload；Overall structure is simple and reliable, tears open
Dress is convenient, and maintenance efficiency is high.
The better embodiment of the present invention is the foregoing is only, the invention is not limited in above-mentioned embodiment, is implementing
During there may be local small structural modification, if not departing from the essence of the present invention to the various changes or modifications of the present invention
God and scope, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes
And modification.
Claims (8)
1. a kind of shock resistance shield machine scraper, it is characterised in that including scraper tool apron, scraper body and rear briquetting, the scraper
U-type groove is provided with tool rest front, the first mounting hole is provided with the U-type groove bottom surface, the scraper tool apron back side is inclined for one
Tapered plane, block slots is provided with the scraper tool apron bottom surface, the block slots include placement portion and fixed part, the placement portion
It is arranged on scraper tool apron bottom and is located at U-type groove one end, the fixed part is arranged on the bottom surface of U-type groove both sides, the scraper
Set in body tail section insertion U-type groove, the scraper body head front is embedded with hard alloy cutter bit, the scraper body tail
Locating slot is provided with portion bottom surface, briquetting fixing hole, the scraper body tail are additionally provided with the scraper body tail section bottom surface
The second mounting hole is provided with the position corresponding with the first mounting hole of portion side, the rear briquetting is arranged on the bottom of scraper tool apron
Portion, the rear briquetting include base and the wedge rib being arranged on base top surface, and the base is arranged in placement portion, described
Wedge rib is inserted in fixed part and locating slot, and the rear briquetting is connected by bolt with scraper body.
2. shock resistance shield machine scraper according to claim 1, it is characterised in that the U-type groove two sides are to tilt
Plane, the U-type groove are the structure that oral area is big, bottom is small, and the inclination angle of the clinoplain of the U-type groove two sides is 50 degree.
3. shock resistance shield machine scraper according to claim 1, it is characterised in that the inclination angle at the scraper tool apron back side
For 70-85 degree.
4. shock resistance shield machine scraper according to claim 1, it is characterised in that be provided with the scraper tool apron top surface
Convex, the corner that the scraper body head and afterbody combine are provided with the wedge groove to match with convex.
5. shock resistance shield machine scraper according to claim 1, it is characterised in that the scraper body is set in L-type is inverted
Put.
6. shock resistance shield machine scraper according to claim 1, it is characterised in that the scraper body head back side is set
There is wear-resisting block.
7. shock resistance shield machine scraper according to claim 1, it is characterised in that the cross section of the locating slot and fixation
The shape of the cross section in portion is identical, and the briquetting fixing hole is arranged on the both sides of locating slot.
8. shock resistance shield machine scraper according to claim 1, it is characterised in that briquetting bottom is fixed with briquetting after described
Counterbore is provided with the corresponding position in hole, the bolt is sequentially inserted into counterbore and briquetting fixing hole is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963726.9A CN107542476B (en) | 2017-10-16 | 2017-10-16 | A kind of shock resistance shield machine scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963726.9A CN107542476B (en) | 2017-10-16 | 2017-10-16 | A kind of shock resistance shield machine scraper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107542476A true CN107542476A (en) | 2018-01-05 |
| CN107542476B CN107542476B (en) | 2018-12-14 |
Family
ID=60967966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710963726.9A Active CN107542476B (en) | 2017-10-16 | 2017-10-16 | A kind of shock resistance shield machine scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107542476B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236307A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The blade construction of shield machine |
| CN113586071A (en) * | 2021-08-13 | 2021-11-02 | 中铁开发投资集团有限公司 | Fast-assembling shield cutter head and cutter changing method of shield machine cutter head |
| CN113586072A (en) * | 2021-08-13 | 2021-11-02 | 中铁开发投资集团有限公司 | Cutter head of shield machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210379A (en) * | 1998-01-27 | 1999-08-03 | Nkk Corp | Cutter bit of tunnel excavating machine and its cutter head |
| JP2000064785A (en) * | 1998-08-21 | 2000-02-29 | Ishikawajima Harima Heavy Ind Co Ltd | High-strength wall-cutting shield machine |
| CN204646243U (en) * | 2015-04-09 | 2015-09-16 | 山东天工岩土工程设备有限公司 | A kind of novel combination type shield structure scraper |
| CN204703912U (en) * | 2015-05-20 | 2015-10-14 | 重庆睿安特盾构技术有限公司 | A kind of scraper for shield machine structure |
| CN205117344U (en) * | 2015-08-24 | 2016-03-30 | 邵阳学院 | Shield constructs improved generation cutter of machine |
| CN206487481U (en) * | 2016-10-31 | 2017-09-12 | 中铁工程装备集团有限公司 | A kind of reinforced welded shield alloy scraper cutter |
-
2017
- 2017-10-16 CN CN201710963726.9A patent/CN107542476B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11210379A (en) * | 1998-01-27 | 1999-08-03 | Nkk Corp | Cutter bit of tunnel excavating machine and its cutter head |
| JP2000064785A (en) * | 1998-08-21 | 2000-02-29 | Ishikawajima Harima Heavy Ind Co Ltd | High-strength wall-cutting shield machine |
| CN204646243U (en) * | 2015-04-09 | 2015-09-16 | 山东天工岩土工程设备有限公司 | A kind of novel combination type shield structure scraper |
| CN204703912U (en) * | 2015-05-20 | 2015-10-14 | 重庆睿安特盾构技术有限公司 | A kind of scraper for shield machine structure |
| CN205117344U (en) * | 2015-08-24 | 2016-03-30 | 邵阳学院 | Shield constructs improved generation cutter of machine |
| CN206487481U (en) * | 2016-10-31 | 2017-09-12 | 中铁工程装备集团有限公司 | A kind of reinforced welded shield alloy scraper cutter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236307A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The blade construction of shield machine |
| CN113586071A (en) * | 2021-08-13 | 2021-11-02 | 中铁开发投资集团有限公司 | Fast-assembling shield cutter head and cutter changing method of shield machine cutter head |
| CN113586072A (en) * | 2021-08-13 | 2021-11-02 | 中铁开发投资集团有限公司 | Cutter head of shield machine |
| CN113586071B (en) * | 2021-08-13 | 2023-12-12 | 中铁开发投资集团有限公司 | Quick-mounting shield cutter head and cutter changing method of shield machine cutter head |
| CN113586072B (en) * | 2021-08-13 | 2023-12-12 | 中铁开发投资集团有限公司 | Cutter head of shield tunneling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107542476B (en) | 2018-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107542476A (en) | A kind of shock resistance shield machine scraper | |
| CN102330558B (en) | Shield machine is with six arm cutterheads | |
| CN111075464B (en) | Heading machine cutter head capable of realizing real-time reducing and expanding excavation and eccentric excavation method thereof | |
| CN110529139B (en) | Hard rock cutter head and cantilever tunneling machine comprising same | |
| CN111706345B (en) | Cutter fixing device of shield machine | |
| CN115653584A (en) | Novel drilling type coal rock cutting drum | |
| CN201843613U (en) | Excavating impulsion shovel | |
| CN107842370B (en) | Removable sword device that tears in sandy pebble stratum | |
| CN204827460U (en) | Limit hobbing cutter device and long distance hard rock tunnel boring machine blade disc of backbreaking of backbreaking | |
| CN110552697A (en) | Novel hard rock entry driving machine cutterhead | |
| CN102943676A (en) | Concrete cutting advanced cutter for shield tunneling machine | |
| CN208486881U (en) | Shield machine flexural pivot with oscillating function seals emergency repair device | |
| CN214062971U (en) | Improved shield machine cutter head for reducing cutter abrasion of water-rich limestone stratum | |
| CN204920970U (en) | Tunnel boring machine blade disc | |
| CN110454181A (en) | A kind of cutter head of shield machine of variable cutter spacing | |
| CN210798964U (en) | Engineering machine tool quick detach connection structure | |
| CN213510615U (en) | Large alloy tearing knife | |
| CN210049898U (en) | Hob and knife box assembly | |
| CN110130894B (en) | Method for installing special-shaped working face equipment | |
| CN210685996U (en) | A entry driving machine hobbing cutter for complete hard rock | |
| CN209308688U (en) | Rock tunnel(ling) machine double-edged hobbing cutter | |
| CN215108906U (en) | Shield constructs machine cutter for subway construction | |
| CN205243515U (en) | Shield constructs machine tunnelling scraper | |
| CN110410087A (en) | A kind of rotating knife A seating normal pressure replacement tooling system | |
| CN220890184U (en) | Coal blocking device and short-machine-body coal mining machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |