CN107542476B - A kind of shock resistance shield machine scraper - Google Patents
A kind of shock resistance shield machine scraper Download PDFInfo
- Publication number
- CN107542476B CN107542476B CN201710963726.9A CN201710963726A CN107542476B CN 107542476 B CN107542476 B CN 107542476B CN 201710963726 A CN201710963726 A CN 201710963726A CN 107542476 B CN107542476 B CN 107542476B
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- scraper
- tool apron
- type groove
- briquetting
- shield machine
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Abstract
The invention discloses a kind of shock resistance shield machine scrapers, including scraper tool apron, scraper ontology 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, which is arranged, is located at U-type groove one end in scraper tool apron bottom, fixed part is arranged on the bottom surface of U-type groove both sides, scraper body tail section is inserted into setting in U-type groove, scraper body tail section is provided with locating slot on bottom surface, scraper body tail section is additionally provided with briquetting fixation hole on bottom surface, the bottom of scraper tool apron is arranged in briquetting afterwards, briquetting includes pedestal and the wedge rib that is arranged on base top surface afterwards, pedestal is arranged in placement portion, wedge rib is inserted into fixed part and locating slot, the shock resistance shield machine scraper impact resistance is good, even if by low Frequency overload will not damage connection bolt, and overall structure is simple and reliable, convenient for disassembly and assembly, and maintenance efficiency is high.
Description
Technical field
The present invention relates to shield machine technical fields, and in particular to a kind of shock resistance shield machine scraper.
Background technique
Shield machine entitled shielding tunnel excavator entirely is that a kind of special engineering of tunnel piercing is mechanical, by continuously improving
And development, become the state-of-the-art subterranean tunnel development machine in the current world.It integrates mechanical, electrical, liquid, sensing, information technology, can
Operation under conditions of not influencing state of ground greatly improves efficiency, the safety of construction compared with traditional construction mode, reduces
The Tunnel Engineering such as subway, railway, highway, municipal administration, water power are widely applied in cost.Shield machine passes through control in tunneling process
Flexible, the realization shield body certain angle range intrinsic deflection of hinged oil cylinder, it is accurate to control tunnel piercing direction.
The complex formation operating condition of shield-tunneling construction is generally more severe, and abrasion, the failure of scraper are inevitable, and constructs
Replacement cutter is frequently necessary in journey, but due to the limitation of shield machine working environment and working principle, tool changing operating environment is severe, because
The more firm structure of this demand and more convenient and fast mounting means, and conventional drag mounting structure is complicated, disassembly is inconvenient, and shock resistance
Limited capacity is easily fallen off.In case of tool damage or falling off in operation process, all by extreme influence job scheduling.
A patent of invention of Publication No. CN204646243U, discloses a kind of novel combination type shield scraper, mainly
It is made of scraper body, alloy body, wearing layer, bolt and the tool apron being fixed on cutter head panel, it is characterised in that: described scrapes
Knife cutter hub, which is bolted, to be fixed on tool apron, and the scraper body back side is provided with positive stop lug boss, location and installation slot and positioning
Groove, the tool apron are equipped with the positive stop lug boss cooperated with location and installation slot and the clamping convex platform with positioning groove cooperation, should
Invention designs multiple installation counterbores on scraper body, and multiple bolts hole corresponding with cutter hub counterbore, and knife are designed on tool apron
The groove and boss being used cooperatively at two have been separately designed on body and tool apron, cutter hub is fastened by bolt and tool apron, but its
Point of a knife in work is easily caused connection bolt failure 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 dress 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.
Summary of the invention
The purpose of the present invention is to solve defect in the prior art, a kind of dress convenient disassembly is provided, is firmly installed not
It is easily damaged the shock resistance shield machine scraper fallen off, 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 ontology and rear briquetting, on scraper tool apron front
It is provided with U-type groove, the first mounting hole is provided on the U-type groove bottom surface, the scraper tool apron back side is a clinoplain, described
Block slots are provided on scraper tool apron bottom surface, the block slots include placement portion and fixed part, and the placement portion is arranged in scraper
Tool apron 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 setting, scraper body head front in U-type groove and be embedded with hard alloy cutter bit, the scraper body tail section is set on bottom surface
It is equipped with locating slot, is additionally provided with briquetting fixation hole on scraper body tail section bottom surface, scraper body tail section side and the
The second mounting hole is provided on the corresponding position of one mounting hole, the rear briquetting is arranged in the bottom of scraper tool apron, presses after described
Block includes pedestal and the wedge rib that is arranged on base top surface, and the pedestal is arranged in placement portion, and the wedge rib is inserted
Enter in fixed part and locating slot, the rear briquetting is connect by bolt with scraper ontology.
In order to further realize the present invention, the U-type groove two sides are clinoplain, the U-type groove big, bottom for oral area
The small structure in portion, the inclination angle of the clinoplain of the U-type groove two sides are 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 tail portion combines is provided with the wedge groove to match with convex.
In order to further realize the present invention, the scraper ontology is arranged 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 shape of cross section of cross section and fixed part of the locating slot is identical, institute
State the two sides that locating slot is arranged in briquetting fixation hole.
In order to further realize the present invention, it is heavy to be provided on the rear briquetting bottom position corresponding with briquetting fixation hole
Hole, the bolt is sequentially inserted into counterbore and briquetting fixation hole is attached.
Beneficial effect
(1) when present invention installation, scraper ontology is from top to bottom slid 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 is connected by bolt and scraper body tail section
It connecing, the reaction force between rear briquetting and scraper tool apron makes scraper ontology and scraper tool apron Primary Location, clamping wedge rib,
And wedge rib portion prevents the point of a knife in work from being caused to connect bolt mistake by frontal impact as shock resistance guard pin
Then effect passes through the first mounting hole and the second mounting hole by bolt and scraper ontology is fixed on scraper tool apron, will finally scrape
Knife tool apron is weldingly fixed on cutterhead spoke mainboard, this fit structure can greatly improve scraper front, side impact resistance,
Connection bolt will not be damaged being overloaded by low frequency；Overall structure is simple and reliable, convenient for disassembly and assembly, and maintenance efficiency is high.
(2) U-type groove two sides of the present invention are clinoplain, and after being bolted compression, U-type groove faying face will be pasted closely
It closes, to prevent scraper ontology that sliding damage connection bolt is occurred by side extruding force；It is an inclination by the scraper tool apron back side
Plane, guarantee scraper main cutting edge cutterhead radially, reduce scraper minor flank be squeezed；It is carried on the back by scraper body head
Face is provided with wear-resisting block, can effectively prevent rubble from entering flank and be formed by angle with rock stratum to be tunneled, to subtract
Small flank squeezes the huge reaction force of bring, protects scraper.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shock resistance shield machine scraper of the present invention；
Fig. 2 is the schematic diagram in A-A direction in Fig. 1；
Fig. 3 is the main view of scraper ontology in shock resistance shield machine scraper of the present invention；
Fig. 4 is the structural schematic diagram of scraper ontology in shock resistance shield machine scraper of the present invention；
Fig. 5 is the structural schematic diagram of scraper tool apron in shock resistance shield machine scraper of the present invention；
Fig. 6 is the structural schematic diagram of rear briquetting in shock resistance shield machine scraper of the present invention.
Description of symbols:
1, wear-resisting block；2, scraper ontology；21, wedge groove；22, locating slot；23, briquetting fixation hole；24, the second installation
Hole；3, hard alloy cutter bit；4, scraper tool apron；41, U-type groove；42, the first mounting hole；43, convex；44, block slots；441, pacify
Set portion；442, fixed part；7, rear briquetting；71, pedestal；72, wedge rib；73, counterbore.
Specific embodiment
The present invention is further described in detail with reference to the accompanying drawing, these attached drawings are simplified schematic diagram, only
The basic structure that the invention is illustrated in a schematic way, the direction of this specific implementation is using the direction Fig. 1 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 ontology 2 and rear briquetting 7,
Wherein:
U-type groove 41 is provided on 4 front of scraper tool apron, 41 two sides of U-type groove are clinoplain, and U-type groove 41 is oral area
Greatly, the small structure in bottom, the inclination angle of the clinoplain of 41 two sides of U-type groove are 50 degree, after being bolted compression, U-type groove 41
Faying face will fit closely, and prevent scraper ontology 2 from being damaged by the generation sliding of side extruding force and connect bolt, on 41 bottom surface of U-type groove
It is provided with the first mounting hole 42, there are four the settings of the first mounting hole 42, and 4 back side of scraper tool apron is a clinoplain, scraper tool apron 4
The inclination angle at the back side be 70-85 degree, guarantee scraper main cutting edge cutterhead radially, reduce scraper minor flank be squeezed,
It is provided with convex 43 on 4 top surface of scraper tool apron, block slots 44 are provided on 4 bottom surface of scraper tool apron, block slots 44 include placement portion
441 and fixed part 442, the setting of placement portion 441 is located at 41 one end of U-type groove in 4 bottom of scraper tool apron, and the setting of fixed part 442 is U-shaped
On the bottom surface of 41 both sides of slot.
Scraper ontology 2 divides in L-type setting, scraper ontology 2 is inverted for head and tail portion, 2 tail portion of scraper ontology insertion U-type groove
Setting, 2 head front of scraper ontology are embedded with hard alloy cutter bit 3 in 41, and the 2 head back side of scraper ontology is provided with wear-resisting block
1, it can effectively prevent rubble from entering flank and be formed by angle with rock stratum to be tunneled, to reduce flank compressive zone
Huge reaction force, protect scraper, the corner that 2 head of scraper ontology and tail portion combine is provided with to match with convex 43
Wedge groove 21 is provided with locating slot 22, the cross section of locating slot 22 and the cross of fixed part 442 on 2 tail portion bottom surface of scraper ontology
The shape in section is identical, and briquetting fixation hole 23 is additionally provided on 2 tail portion bottom surface of scraper ontology, and the setting of briquetting fixation hole 23 is positioning
The two sides of slot 22,2 tail portion side of scraper ontology are provided with the second mounting hole 24 on position corresponding with the first mounting hole 42.
The bottom of scraper tool apron 4 is arranged in briquetting 7 afterwards, and rear briquetting 7 includes pedestal 71 and is arranged on 71 top surface of pedestal
Wedge rib 72, pedestal 71 and wedge rib 72 are integral type setting, and pedestal 71 is arranged in placement portion 441, wedge rib 72
It is inserted into fixed part 442 and locating slot 22, rear 7 bottom of briquetting is provided with counterbore on position corresponding with briquetting fixation hole 23
73, rear briquetting 7 is connect by bolt with scraper ontology 2, and bolt is sequentially inserted into counterbore 73 and briquetting fixation hole 23 is attached.
When installation, scraper ontology 2 is from top to bottom slid 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 ontology 2
Tail portion connection, the reaction force between rear briquetting 7 and scraper tool apron 4 make scraper ontology 2 and 4 Primary Location of scraper tool apron, block
Tight wedge rib 72, and 72 part of wedge rib prevents the point of a knife in work by frontal impact as shock resistance guard pin
Cause to connect bolt failure, the first mounting hole 42 is then passed through by bolt and scraper ontology 2 is fixed on by the second mounting hole 24
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 be scraped
Knife front, side impact resistance will not damage connection bolt being overloaded by low frequency；Overall structure is simple and reliable, tears open
Dress is convenient, and maintenance efficiency is high.
The foregoing is merely better embodiments of the invention, and the invention is not limited to above embodiment, are implementing
The structural modification small there may be part in the process, if various changes or modifications of the invention are not departed from essence of the invention
Mind and range, and belong within the scope of claim and equivalent technologies of the invention, then the present invention is also intended to encompass these changes
And modification.
Claims (8)
1. a kind of shock resistance shield machine scraper, which is characterized in that including scraper tool apron, scraper ontology and rear briquetting, the scraper
Tool apron is provided with U-type groove on front, and the first mounting hole is provided on the U-type groove bottom surface, and the scraper tool apron back side is inclined for one
Tapered plane is provided with block slots on the scraper tool apron bottom surface, and the block slots include placement portion and fixed part, the placement portion
It is arranged and is located at U-type groove one end in scraper tool apron bottom, the fixed part is arranged on the bottom surface of U-type groove both sides, the scraper
Body tail section is inserted into setting in U-type groove, and scraper body head front is embedded with hard alloy cutter bit, the scraper ontology tail
It is provided with locating slot on portion bottom surface, briquetting fixation hole, the scraper ontology tail are additionally provided on scraper body tail section bottom surface
The second mounting hole is provided on the position corresponding with the first mounting hole of portion side, the bottom of scraper tool apron is arranged in the rear briquetting
Portion, the wedge-shaped rib that the rear briquetting includes pedestal and is arranged on base top surface, the pedestal is arranged in placement portion, described
In wedge-shaped rib insertion fixed part and locating slot, the rear briquetting is connect by bolt with scraper ontology.
2. shock resistance shield machine scraper according to claim 1, which is characterized in that the U-type groove two sides are inclination
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, which is characterized 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, which is characterized in that be provided on the scraper tool apron top surface
The corner that convex, the scraper body head and tail portion combine is provided with the vee-cut to match with convex.
5. shock resistance shield machine scraper according to claim 1, which is characterized in that the scraper ontology is set in L-type is inverted
It sets.
6. shock resistance shield machine scraper according to claim 1, which is characterized in that the setting of the scraper body head back side
There is wear-resisting block.
7. shock resistance shield machine scraper according to claim 1, which is characterized in that the cross section of the locating slot and fixation
The shape of the cross section in portion is identical, and the two sides of locating slot are arranged in the briquetting fixation hole.
8. shock resistance shield machine scraper according to claim 1, which is characterized in that briquetting bottom is fixed with briquetting after described
Counterbore is provided on the corresponding position in hole, the bolt is sequentially inserted into counterbore and briquetting fixation 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 CN107542476A (en) | 2018-01-05 |
| CN107542476B true CN107542476B (en) | 2018-12-14 |
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ID=60967966
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| 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 |
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| CN (1) | CN107542476B (en) |
Families Citing this family (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 |
| 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 |
Family Cites Families (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 |
| JP4081871B2 (en) * | 1998-08-21 | 2008-04-30 | 株式会社Ｉｈｉ | 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
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| Publication number | Publication date |
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| CN107542476A (en) | 2018-01-05 |
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