CN108104826A - A kind of high-wearing feature shield machine hob ring - Google Patents
A kind of high-wearing feature shield machine hob ring Download PDFInfo
- Publication number
- CN108104826A CN108104826A CN201711370686.3A CN201711370686A CN108104826A CN 108104826 A CN108104826 A CN 108104826A CN 201711370686 A CN201711370686 A CN 201711370686A CN 108104826 A CN108104826 A CN 108104826A
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- Prior art keywords
- shield machine
- front surface
- transition section
- surface region
- wearing feature
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- 239000000956 alloy Substances 0.000 claims abstract description 80
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 77
- 230000007704 transition Effects 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 12
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005520 cutting process Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 230000001815 facial effect Effects 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 210000000515 tooth Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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 invention discloses a kind of high-wearing feature shield machine hob rings, belong to shield cutter field.A kind of high-wearing feature shield machine hob ring of the present invention, including cutter ring body, installation cavity is offered in cutter ring body, the front surface region for being provided with and protruding outward is circumferentially surrounded in the middle part of cutter ring outer body, the both sides up and down of the front surface region are symmetrically arranged with circumferentially distributed cross transition section, the cross transition section is connected by circumferentially distributed longitudinal changeover portion with cutter ring body, in longitudinal changeover portion, uniform intervals offer fixed groove respectively on the circumferential side wall of cross transition section and front surface region, and longitudinal changeover portion, cross transition section corresponds respectively with the fixed groove on front surface region to be connected, hard alloy is provided in fixed groove.The present invention effectively to enhance the wearability of cutter ring, improves its service life, reduce production cost, reduce production loss by rationally setting hard alloy on the outside of shield cutter ring.
Description
Technical field
The present invention relates to shield cutter technical field, more specifically to a kind of high-wearing feature shield machine hob ring.
Background technology
Shielding tunnel excavator (abbreviation shield machine) construction is fast, safe with mechanization degree height, speed of application
Advantage is widely used in the Large Constructions construction project such as mine, railway, highway, and disk cutter is tunneled as broken rock is squeezed
Main cutting tools for cutting, be the critical component and easily worn part in shield machine.Hobboing cutter cutter ring in entire tunneling process always with rock
It is in contact, is driving and the work edge of broken rock, is subjected to the very big thrust that shield machine is bestowed, and also suffer each in rock
The sharp wear of the harder substance of kind, causes cutter ring serious wear, it is necessary to cutter ring frequently be replaced, and consumption is very
Greatly, the efficiency of breaking rock of shield machine is reduced, while adds construction cost.Enhance the wearability of shield cutter ring, improve its use
Service life becomes the problem for being badly in need of breaking through in industry.
Through retrieval, Chinese Patent Application No.：2009100590614, the applying date：On April 24th, 2009, invention and created name
For：Earth pressure balance shield machine cutterhead this application discloses a kind of earth pressure balance shield machine cutterhead, includes center in cutterhead disk
Area, facial area, marginal zone；Each head top surface gradually swells to form intermediate structure high, both sides are low from both sides towards middle part；Knife
The top of head two sides is an inclined-plane extended out；Strip hard alloy, the top of strip hard alloy both sides are fixed in the middle part of top surface
Face is fixed with four symmetrical row's hard alloy columnar teeths；The top of the hard alloy columnar teeth top with strip hard alloy respectively
Sequentially form difference in height；Wearable overlay is fixed on top surface and two sides around strip hard alloy, hard alloy columnar teeth.
This application can improve driving speed, reduce tool wear, improve cutter life, but this application is complicated, production
Difficulty of processing is big, and production cost is higher.
For another example Chinese Patent Application No.：201620936968X, the applying date：On August 25th, 2016, invention and created name are：
This application discloses a kind of shield machine hob ring, annular is provided on the excircle of hobboing cutter circle body for a kind of shield machine hob ring
Groove is provided with through hole on one side wall of annular groove, corresponding blind hole is provided on another side wall；In annular groove
Hard alloy blocks are inlaid with, are provided on hard alloy blocks and the corresponding mounting hole of through hole；Connection bolt is provided in through hole,
Bolt is connected to be inserted into blind hole through through hole and mounting hole；This application can theoretically realize that the quick of hard alloy blocks is torn open
Dress reduces the integral replacing of cutter ring, but the abrasive forces that cutter ring is born in actual use are very big, is difficult to realize by bolt cooperation hard
Effective fixation of matter alloy block easily occurs hard alloy blocks in engineering practice and loosens phenomenon, not only easily to hard alloy
Block causes bigger to wear, and the normal driving for also influencing cutter ring uses, it is difficult to actually use.
For another example Chinese Patent Application No.：2010205107727, the applying date：On August 26th, 2010, invention and created name are：
Shield machine hob ring, this application discloses shield machine hob ring, mainly including circle body, on circle body periphery soldering have hard alloy
Rolling ring, rolling ring are made of multiple arcs item, are brazed in the interior annular groove of circle body；Two horizontal sides of each arc strip
On be respectively arranged with protrusion longitudinal rib；This application is convenient for soldering, and brazing filler metal is secured, but this application can only be to cutter ring outermost
Intensity is strengthened, and Hob ring is susceptible to the phenomenon that abrasion is uneven, rock breaking efficiency is inconsistent during use, influences the stabilization of cutter
It uses.
In conclusion the widely used mode that hard alloy is added outside cutter ring is wear-resisting to enhance cutter ring in the prior art
Property improves the service life of Hob ring, but the specific set-up mode of hard alloy is multifarious, final performance
Respectively there is quality, how on the basis of control cost, hard alloy is rationally set, is had using the high intensity of hard alloy
The wearability that effect improves shield cutter ring becomes the pursuit persisted in the ambition in industry.
The content of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art shield cutter ring using serious wear, replace frequently deficiency, carry
A kind of high-wearing feature shield machine hob ring has been supplied, by rationally setting hard alloy on the outside of shield cutter ring, has effectively enhanced knife
The wearability of circle improves its service life, reduces production cost, reduces production loss.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
Including cutter ring body, it is empty to offer installation for a kind of high-wearing feature shield machine hob ring of the present invention in cutter ring body
Chamber, cutter ring outer body middle part circumferentially surround the front surface region for being provided with and protruding outward, the both sides pair up and down of the front surface region
Title is provided with circumferentially distributed cross transition section, which passes through circumferentially distributed longitudinal changeover portion and cutter ring body phase
Even, uniform intervals offer fixed groove respectively on longitudinal changeover portion, cross transition section and the circumferential side wall of front surface region, and
Longitudinal changeover portion, cross transition section correspond respectively with the fixed groove on front surface region to be connected, and is provided in fixed groove
Hard alloy.
Further, fixed groove is arc groove, the fixation on longitudinal changeover portion, cross transition section and front surface region
Groove smoothly transits successively to be connected, and forms spiral shape distribution.
Further, the thickness of hard alloy is 3-4mm in fixed groove.
Further, carbide surface is higher by the surface 0- of longitudinal changeover portion, cross transition section and front surface region
1mm。
Further, surface of the carbide surface respectively with longitudinal changeover portion, cross transition section and front surface region is put down
Together.
Further, the head and the tail both ends of installation cavity are circumferentially both provided with the tilt internal wall that outward opening gradually includes.
Further, the angle α between the tangent line of front surface region both sides cross transition section is 22 ° -26 °.
Further, stainless steel alloy layer is equipped between hard alloy and fixed groove inner wall.
Further, stainless steel alloy layer is welded on fixed groove inner wall.
Further, hard alloy is welded on stainless steel alloy layer.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result：
(1) a kind of high-wearing feature shield machine hob ring of the invention, in longitudinal changeover portion, cross transition section and front surface region
Circumferential side wall on respectively uniform intervals offer the fixed groove of arc, hard alloy is provided in fixed groove, hard closes
The uniform intervals setting of gold can effectively enhance longitudinal changeover portion, cross transition section and the whole cutting hardness of front surface region, reduce
Cutting edge is worn, and improves the wearability and service life of Hob ring, avoids the frequent replacement of Hob ring, reduces production cost.
(2) a kind of high-wearing feature shield machine hob ring of the invention, on longitudinal changeover portion, cross transition section and front surface region
Fixed groove correspond respectively connected, smoothly transit be connected successively, form spiral shape distribution, the arc of hard alloy prolongs
It is opposite with the direction of rotation of Hob ring to stretch direction so that when excavating construction, the arc evagination one side of hard alloy first with construction
Face contacts, and is then progressively fed along the arc line shaped direction of hard alloy, and the arc of hard alloy smoothly transits to have and centainly lead
To effect, help to reduce hard alloy itself abrasion, enhance the overall wear resistance of Hob ring.
(3) a kind of high-wearing feature shield machine hob ring of the invention, the arc of hard alloy is distributed so that it wears stress
Point is successively scattered, avoids the occurrence of the whole face abrasion of hard alloy, enhances its whole service life, further ensure the height of Hob ring
Wearability.
(4) processing technology of a kind of high-wearing feature shield machine hob ring of the invention, using welding manner by hard alloy
In embedded fixed groove, and first soldering stainless steel alloy as transition zone, utilizes hard alloy and stainless steel in fixed groove
The good contact of alloy ensures the fastness of hard alloy, prevents from generating crack microgroove between hard alloy and fixed groove
Deng effectively increasing the positional stability of hard alloy, ensure Hob ring stablizes use.
(5) a kind of high-wearing feature shield machine hob ring of the invention, between the tangent line of front surface region both sides cross transition section
Angle α for 22 °~26 °, can ensure the cutting edge sharpness of front surface region, improve working performance, and keep front surface region
Thickness of cutting, avoid the Fast Wearing of front surface region, improve cutter ring service life.
(6) a kind of high-wearing feature shield machine hob ring of the invention, reasonable in design, principle is simple, makes convenient for promoting
With.
Description of the drawings
Fig. 1 is a kind of main structure diagram of high-wearing feature shield machine hob ring of the present invention；
Fig. 2 is a kind of overlooking the structure diagram of high-wearing feature shield machine hob ring of the present invention；
Fig. 3 is a kind of left view structural representation of high-wearing feature shield machine hob ring of the present invention.
Label declaration in schematic diagram：1st, cutter ring body；2nd, installation cavity；3rd, tilt internal wall；4th, longitudinal changeover portion；5th, it is horizontal
To changeover portion；6th, front surface region；7th, fixed groove.
Specific embodiment
To further appreciate that present disclosure, with reference to attached drawing, the present invention is described in detail.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
With reference to embodiment, the invention will be further described.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of high-wearing feature shield machine hob ring of the present embodiment, including cutter ring body 1, cutter ring sheet
Installation cavity 2 is offered in body 1, Hob ring is mounted on by installation cavity 2 on center power axis in actual use, for driving
The rotation and feeding of Hob ring, the head and the tail both ends of installation cavity 2 are circumferentially both provided with the tilt internal wall 3 that outward opening gradually includes,
As shown in Figure 1, the setting of tilt internal wall 3 is convenient for installation of the Hob ring with center power axis and location fit, further, installation
The inner wall of cavity 2 is tilt internal wall, is 1 ° -2 ° (not identified in Fig. 1) with vertical direction angle, forms installation cavity 2 and center
The gradient cooperation of line shaft, improves cooperation compactness and beneficial to smooth dismounting between the two.
1 outer middle side part of cutter ring body circumferentially surrounds the front surface region 6 for being provided with and protruding outward, the front in the present embodiment
The both sides up and down in region 6 are symmetrically arranged with circumferentially distributed cross transition section 5, as shown in Figure 1, the cross transition section 5 passes through ring
It is connected to longitudinal changeover portion 4 of distribution with cutter ring body 1, cutter ring body 1, longitudinal changeover portion 4, cross transition section 5 and facial area
It is that arc smoothly transits between domain 6, and the angle α between the tangent line of 6 both sides cross transition section 5 of front surface region is 22 ° -26 °,
Specifically α is 22 ° in the present embodiment；Front surface region 6 is cutting edge portion with excavation surface front face to Hob ring in actual use
Point, longitudinal changeover portion 4 and cross transition section 5 are then lateral cutting edge portion, both sides cross transition section 5 and longitudinal mistake in the present embodiment
The angled transition for crossing section 4 is set, and can ensure the cutting edge sharpness of front surface region 6, is improved working performance, and is kept facial area
The thickness of cutting in domain 6 avoids the Fast Wearing of front surface region 6, improves cutter ring service life, while cross transition section 5 and longitudinal direction
The cooperation of changeover portion 4, which can also carry out cutting object to be oriented to, to be disperseed, and is accelerated the landing of its particle, is prevented from blocking.
Between distinguishing uniformly on longitudinal changeover portion 4, cross transition section 5 and the circumferential side wall of front surface region 6 in the present embodiment
The fixed groove 7 equipped with arc is separated, as shown in Fig. 2, and consolidating on longitudinal changeover portion 4, cross transition section 5 and front surface region 6
Determine groove 7 correspond respectively be connected, smoothly transit be connected successively, formed spiral shape distribution, as shown in figure 3, fixed groove 7
Inside be provided with thickness be 3mm hard alloy, carbide surface respectively with longitudinal changeover portion 4, cross transition section 5 and facial area
The flush in domain 6, the uniform intervals setting of hard alloy can effectively enhance longitudinal changeover portion 4, cross transition section 5 and facial area
The whole cutting hardness in domain 6 reduces cutting edge abrasion, improves the wearability and service life of Hob ring, avoid the frequent of Hob ring
It replaces, reduces production cost.
It should be noted that hard alloy corresponds to also forms spiral shape distribution by arcuated alloy block, and the hard of arc closes
Angle β is not less than 10 ° between tangent line and perpendicular of the gold on front surface region 6 at the top of it, is preferably 10 ° -20 °, such as Fig. 3
It is shown, and the arc extending direction of hard alloy is opposite with the work direction of rotation of Hob ring, specifically as shown in Figure 2, hobboing cutter
Circle carries out rotary cutting (shown in big arrow) along clockwise direction, and the arc rotation direction of multiple fixed grooves 7 is then correspondingly arranged to be inverse
Clockwise (shown in small arrow), when cutter ring rotates, the cambered design of hard alloy can effectively increase with excavating construction surface
Contact area, improves the wearability of Hob ring, and the direction of hard alloy and angle design to excavate when constructing, hard alloy
Arc evagination one side contacted first with construction surface, be then progressively fed along the arc line shaped direction of hard alloy, hard alloy
Arc smoothly transit with certain guide effect, help to reduce hard alloy itself abrasion, the entirety for enhancing Hob ring is resistance to
Mill property；Secondly, during practice of construction, the arc of hard alloy, which is distributed, so that its abrasion stress point is successively scattered, avoids the occurrence of hard
The whole face abrasion of alloy, enhances its whole service life, further ensures the high-wearing feature of Hob ring.
A kind of high-wearing feature shield machine hob ring of the present embodiment can effectively enhance its wearability using hard alloy,
Its performance is improved, but how to add hard alloy, ensure that its tight fit between rolling ring is problem in industry,
Because hard alloy material is more crisp, mechanical processing easily causes the breakage of hard alloy, and between hard alloy and Hob ring
Contact it is poor, it is difficult to the secured setting of hard alloy is ensured, although therefore also appearing on Hob ring in industry set at present
Put the mode of hard alloy, but generally existing hard alloy with Hob ring fit quality is not high, is susceptible to the problems such as crack,
As the problem for restricting the long-term effective use of Hob ring.The Hob ring of the present embodiment hard alloy and 7 inner wall of fixed groove it
Between be equipped with stainless steel alloy layer, and stainless steel alloy layer uniform welding, on 7 inner wall of fixed groove, stainless steel alloy layer thickness is
0.5-1mm, hard alloy are then welded on stainless steel alloy layer.
It is followed the steps below when the Hob ring of the present embodiment is specifically processed：
Step 1: smooth connect is opened up on longitudinal changeover portion 4 in Hob ring, cross transition section 5 and front surface region 6 successively
Arc fixed groove 7；The fixed groove 7 smoothly transits successively to be connected, and forms spiral shape and is distributed, and fixed groove 7
Arc extending direction it is opposite with the work direction of rotation of Hob ring；
Step 2: heating to Hob ring, the technical staff such as specific mode of heating and technological parameter can be according to life
Industry is tested carries out conventional arrangement with in-plant equipment, is not described in detail herein；Then using stainless steel alloy welding rod in fixed groove 7
Each side inner wall on one layer of stainless steel alloy of uniform welding；The thickness of stainless steel alloy alloy-layer is 0.5-1mm；
Step 3: after step 2, continue welding hard alloy in fixed groove 7 using carbide electrode, firmly
Matter alloy layer thickness is 3-4mm；Hard alloy on longitudinal changeover portion 4, cross transition section 5 and front surface region 6 smooth mistake successively
Connected, formation spiral shape distribution is crossed, to Hob ring progress isothermal holding after welding, Hob ring chilling is avoided to crack,
Specific heat preserving mode and technological parameter etc., technical staff can carry out conventional arrangement according to knowhow and in-plant equipment, herein not
It is described in detail.
Hard alloy is embedded in fixed groove 7 by the present embodiment using welding manner, and is first welded not in 7 inner face of fixed groove
Steel alloy layer become rusty as bottoming transition zone, hard alloy is ensured using the good face contact of hard alloy and stainless steel alloy
Fastness, prevent from generating crack microgroove etc. between hard alloy and fixed groove 7, the position for effectively increasing hard alloy is steady
Qualitative and stationarity ensures the use of stablizing of Hob ring, and empirical tests have added the Hob ring of stainless steel alloy layer, and hard closes
Gold even if by long-term use also seldom it is cracked, loosen phenomena such as, the wearability and service life of Hob ring, which have, substantially to be carried
It is high.
Embodiment 2
A kind of high-wearing feature shield machine hob ring of the present embodiment, substantially with embodiment 1, the difference is that the present embodiment
The thickness of middle hard alloy is 4mm, and carbide surface is higher by longitudinal changeover portion 4, cross transition section 5 and front surface region respectively
6 surface 1mm；Angle α in the present embodiment between the tangent line of 6 both sides cross transition section 5 of front surface region is 24 °, arc it is hard
Angle β is 15 ° between tangent line and perpendicular of the matter alloy on front surface region 6 at the top of it.
Embodiment 3
A kind of high-wearing feature shield machine hob ring of the present embodiment, substantially with embodiment 1, the difference is that the present embodiment
The thickness of middle hard alloy is 3.5mm, and carbide surface is higher by longitudinal changeover portion 4, cross transition section 5 and facial area respectively
The surface 0.5mm in domain 6；Angle α in the present embodiment between the tangent line of 6 both sides cross transition section 5 of front surface region is 26 °, arc
Tangent line and perpendicular of the hard alloy on front surface region 6 at the top of it between angle β be 20 °.
Embodiment 4
A kind of high-wearing feature shield machine hob ring of the present embodiment, substantially with embodiment 1, the difference is that the present embodiment
The thickness of middle hard alloy be 4mm, and carbide surface respectively with longitudinal changeover portion 4, cross transition section 5 and front surface region 6
Flush；Angle α in the present embodiment between the tangent line of 6 both sides cross transition section 5 of front surface region is 25 °, arc it is hard
Angle β is 18 ° between tangent line and perpendicular of the matter alloy on front surface region 6 at the top of it.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (10)
1. including cutter ring body (1), installation cavity is offered in cutter ring body (1) for a kind of high-wearing feature shield machine hob ring
(2), it is characterised in that：Cutter ring body (1) outer middle side part circumferentially surrounds the front surface region (6) for being provided with and protruding outward, this is just
The both sides up and down in face region (6) are symmetrically arranged with circumferentially distributed cross transition section (5), which passes through circumferential direction
Longitudinal changeover portion (4) of distribution is connected with cutter ring body (1), in longitudinal changeover portion (4), cross transition section (5) and front surface region
(6) uniform intervals offer fixed groove (7) respectively on circumferential side wall, and longitudinal changeover portion (4), cross transition section (5) and
Fixed groove (7) on front surface region (6) corresponds respectively to be connected, and hard alloy is provided in fixed groove (7).
2. a kind of high-wearing feature shield machine hob ring according to claim 1, it is characterised in that：Fixed groove (7) is arc
Connected in star, the fixed groove (7) on longitudinal changeover portion (4), cross transition section (5) and front surface region (6) smoothly transit phase successively
Connection forms spiral shape distribution.
3. a kind of high-wearing feature shield machine hob ring according to claim 2, it is characterised in that：The thickness of hard alloy is
3-4mm。
4. a kind of high-wearing feature shield machine hob ring according to claim 2, it is characterised in that：Carbide surface is higher by
The surface 0-1mm of longitudinal changeover portion (4), cross transition section (5) and front surface region (6).
5. a kind of high-wearing feature shield machine hob ring according to claim 2, it is characterised in that：Carbide surface is distinguished
With the flush of longitudinal changeover portion (4), cross transition section (5) and front surface region (6).
6. a kind of high-wearing feature shield machine hob ring according to claim 2, it is characterised in that：The head of installation cavity (2)
Tail both ends are circumferentially both provided with the tilt internal wall (3) that outward opening gradually includes.
7. a kind of high-wearing feature shield machine hob ring according to claim 2, it is characterised in that：Front surface region (6) both sides
Angle α between the tangent line of cross transition section (5) is 22 ° -26 °.
8. a kind of high-wearing feature shield machine hob ring according to claim 2, it is characterised in that：Hard alloy and anchor
Stainless steel alloy layer is equipped between slot (7) inner wall.
9. a kind of high-wearing feature shield machine hob ring according to claim 8, it is characterised in that：Stainless steel alloy layer welds
On fixed groove (7) inner wall.
10. a kind of high-wearing feature shield machine hob ring according to claim 9, it is characterised in that：Hard alloy is welded on
On stainless steel alloy layer.
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| CN201711370686.3A CN108104826B (en) | 2017-12-19 | 2017-12-19 | A kind of high-wearing feature shield machine hob ring |
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| CN201711370686.3A CN108104826B (en) | 2017-12-19 | 2017-12-19 | A kind of high-wearing feature shield machine hob ring |
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| CN108104826B CN108104826B (en) | 2019-10-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338968A (en) * | 2021-06-22 | 2021-09-03 | 马鞍山灵山机械设备科技有限公司 | Novel heavy cutter ring and production process thereof |
| CN113605909A (en) * | 2021-07-30 | 2021-11-05 | 西南交通大学 | Novel TBM hobbing cutter ring |
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| CN204002810U (en) * | 2014-07-22 | 2014-12-10 | 武汉江钻工程钻具有限责任公司 | A kind of helical teeth cutter ring of disc cutter |
| CN205805563U (en) * | 2016-07-13 | 2016-12-14 | 德阳宏源机电工程有限责任公司 | A kind of shield machine roller cutter cutter ring |
| CN106521322A (en) * | 2016-11-30 | 2017-03-22 | 黄河科技学院 | Cutter ring of electroplated diamond hobbing cutter and processing technology of cutter ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338968A (en) * | 2021-06-22 | 2021-09-03 | 马鞍山灵山机械设备科技有限公司 | Novel heavy cutter ring and production process thereof |
| CN113338968B (en) * | 2021-06-22 | 2023-09-26 | 马鞍山灵山机械设备科技有限公司 | Heavy knife ring and production process thereof |
| CN113605909A (en) * | 2021-07-30 | 2021-11-05 | 西南交通大学 | Novel TBM hobbing cutter ring |
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