CN106593459A - Overbreak cutter for hard rock shield tunneling machine - Google Patents
Overbreak cutter for hard rock shield tunneling machine Download PDFInfo
- Publication number
- CN106593459A CN106593459A CN201710041369.0A CN201710041369A CN106593459A CN 106593459 A CN106593459 A CN 106593459A CN 201710041369 A CN201710041369 A CN 201710041369A CN 106593459 A CN106593459 A CN 106593459A
- Authority
- CN
- China
- Prior art keywords
- cutter
- double
- drive link
- shield machine
- hard rock
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses an overbreak cutter for a hard rock shield tunneling machine. The overbreak cutter comprises a double-blade hob, a driving rod, a guide rail and an oil cylinder, wherein the double-blade hob is arranged at the front end of the driving rod; the rear end of the driving rod is connected with a piston rod of the oil cylinder; the driving rod can realize reciprocating motion along the guide rail under the driving of the oil cylinder; the guide rail is fixed on a cutter disk; a limiting pin is fixed in the guide rail; the limiting pin is located on the front side of the driving rod; a limiting slot is formed on the limiting pin; the limiting pin is blocked on the driving rod through the limiting slot; a limiting step is arranged on the front side wall at the lower end of the driving rod. The double-blade hob of the overbreak cutter has an integrated structure; the structure is simple; the mounting is convenient; the strength and the safety are high; when the shield tunneling machine normally tunnels, the overbreak cutter can retract into the excavation diameter under the driving of the oil cylinder, so that the blade abrasion can be avoided, the service life of the hob can be prolonged and the construction cost is lowered; besides, the limiting pin of the overbreak cutter can limit the rolling shift motion and can reduce the construction error.
Description
Technical field
It is particularly a kind of to backbreak knife suitable for hard rock shield machine the present invention relates to tunneling equipment field.
Background technology
As the three-dimensional arrangement of the pipeline pipelines such as the fast development in city, communication, electric power, plumbing is brought into schedule, city
City's pipe network shield machine machine is that current pipeline excavates best selection scheme.At present using it is most be 4m shield machine machines, most feelings
Shield machine machine construction under condition is all that curve construction needs to turn and rectifies a deviation, and this is just radially super using to knife of backbreaking, carrying out to the soil body
Dig.And, cutter head of shield machine during digging excavation, especially hard rock driving is, outermost track hobboing cutter due to linear velocity most
Greatly, tool wear quickly, causes digging diameter to reduce, and shield body is by card when serious, and knife operating mode of backbreaking is complicated, and stress is big, installs empty
Between it is little, stability requirement is high.Accordingly, it would be desirable to hobboing cutter is backbreak in knife regracting digging diameter when a kind of shield machine is normally tunneled, keep away
Exempt from the knife of backbreaking of edge wear.
The content of the invention
The present invention is in view of the shortcomings of the prior art and defect, there is provided a kind of to backbreak knife suitable for hard rock shield machine.
For achieving the above object, the technical solution adopted in the present invention is：One kind is applied to hard rock shield machine and backbreaks knife, wraps
Double-edged hobbing cutter, drive link, guide rail and oil cylinder are included, the double-edged hobbing cutter, its rear end and oil cylinder piston are installed in the drive link front end
Bar connects, and the drive link is realized moving back and forth under the drive of oil cylinder along the guide rail；The guide rail is fixed on cutterhead, its
Spacer pin is inside fixed with, the spacer pin is located at the front side of drive link, stopper slot is opened up thereon, and the spacer pin is by described spacing
Groove is stuck on drive link, and drive link lower end leading flank is provided with limited step.
In above-mentioned technical proposal, the knife hub of described double-edged hobbing cutter and two cutter rings are integral type structure.
In above-mentioned technical proposal, the integral type double-edged hobbing cutter amount of backbreaking is 40mm, described double when shield machine is normally tunneled
Sword hobboing cutter is retracted within normal digging diameter by the drive of oil cylinder.
In above-mentioned technical proposal, described double-edged hobbing cutter is arranged on drive link by fastening bolt component and hold-down ring
On.
In above-mentioned technical proposal, described drive link lower end is provided with engaging lug, and institute's engaging lug is by trundle and oil cylinder
Piston rod connects.
In above-mentioned technical proposal, the installing hole for installing trundle, the installation are offered on described engaging lug
Compact heap is additionally provided between hole and trundle.
The invention has the beneficial effects as follows：The double-edged hobbing cutter of the present invention adopts integral structure, simple structure to be easily installed,
And intensity and safe.When shield machine is normally tunneled, hobboing cutter backbreaks knife by the drive regracting digging diameter of oil cylinder, keeping away
Exempt from edge wear, improve hobboing cutter service life, reduce construction cost.In addition, the spacer pin of the present invention can limit the shifting of rolling
Dynamic stroke, can reduce construction error, simple to operate, and running precision is high, meet the curves such as correction construction of turning, and twolip is rolled
Knife play under oil cylinder propulsion backbreak, profiling, the effect such as posture adjustment, can to greatest extent reduce soil disturbance, reduce section of jurisdiction slip casting
Amount, improves efficiency of construction.
Description of the drawings
Fig. 1 is the structural representation of knife of backbreaking suitable for hard rock shield machine of the invention.
The meaning that label is represented in figure as：1st, integral type double-edged hobbing cutter, 2, hold-down ring, 3, fastening bolt component, 4, transmission
Bar, 5, guide rail, 6, spacer pin, 7, trundle, 8, compact heap, 9, oil cylinder.
Specific embodiment
It is to be noted that：In describing the invention, it is to be understood that it is upper, term " " center ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " bottom ", " interior ", " outward " is to be closed based on orientation shown in the drawings or position
System, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must have
Specific orientation, with the operation of specific azimuth configuration, therefore be not considered as limiting the invention.Additionally, unless otherwise
Clearly regulation and restriction, term " installation ", " adjacent ", " connection " should be interpreted broadly, for example, can be to be fixedly connected, and also may be used
Being to be detachably connected, or it is integrally connected；Can be mechanically connected, or electrically connect, can be joined directly together, also may be used
To be indirectly connected to by intermediary.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention：
Embodiment：As shown in figure 1, a kind of backbreak knife, including double-edged hobbing cutter 1, drive link 4, the and of guide rail 5 suitable for hard rock shield machine
The double-edged hobbing cutter 1 is installed in oil cylinder 9, the front end of the drive link 4, and its rear end is connected with the piston rod of oil cylinder 9, and the drive link 5 is in oil
Move back and forth along the realization of the guide rail 5 under the drive of cylinder；The guide rail 5 is fixed on cutterhead, and spacer pin 6 is fixed with it,
The spacer pin 6 is located at the front side of drive link, and stopper slot is opened up thereon, and the spacer pin 6 is stuck in drive link 4 by the stopper slot
On, the lower end leading flank of the drive link 4 is provided with limited step.
The knife hub of described double-edged hobbing cutter and two cutter rings are integral type structure.The integral type double-edged hobbing cutter amount of backbreaking is
40mm, when shield machine is normally tunneled, the double-edged hobbing cutter is retracted within normal digging diameter by the drive of oil cylinder.Described
Double-edged hobbing cutter 1 is arranged on drive link 4 by fastening bolt component 3 and hold-down ring 2.
The described lower end of drive link 4 is provided with engaging lug, and institute's engaging lug is connected by trundle and cylinder piston rod.Described
The installing hole for installing trundle 7 is offered on engaging lug, compact heap 8 is additionally provided between the installing hole and trundle.
The drive link 5 of the present invention is moved under the drive of oil cylinder 8 and trundle 7 along guide rail 5, is controlled by spacer pin 6
The shift motion of double-edged hobbing cutter processed 1.Hobboing cutter is backbreak in knife regracting digging diameter when shield machine is normally tunneled, it is to avoid blade grinds
Damage, when special geology operating mode needs, double-edged hobbing cutter play under oil cylinder propulsion backbreak, profiling, the effect such as posture adjustment.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented and do not receive aforesaid way
Restriction, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing
Enter and the design of the present invention and technical scheme are directly applied to into other occasions, within protection scope of the present invention.
Claims (6)
- It is 1. a kind of to backbreak knife, including double-edged hobbing cutter, drive link, guide rail and oil cylinder suitable for hard rock shield machine, it is characterised in that：Institute State drive link front end and the double-edged hobbing cutter is installed, its rear end is connected with cylinder piston rod, drive lower edge of the drive link in oil cylinder The guide rail to realize moving back and forth；The guide rail is fixed on cutterhead, and spacer pin is fixed with it, and the spacer pin is located at and passes The front side of lever, opens up thereon stopper slot, and the spacer pin is stuck on drive link by the stopper slot, before the drive link lower end Side is provided with limited step.
- It is 2. according to claim 1 to backbreak knife suitable for hard rock shield machine, it is characterised in that：The knife of described double-edged hobbing cutter Hub and two cutter rings are integral type structure.
- It is 3. according to claim 2 to backbreak knife suitable for hard rock shield machine, it is characterised in that：Integral type double-edged hobbing cutter is backbreak Measure as 40mm, when shield machine is normally tunneled, the double-edged hobbing cutter is retracted within normal digging diameter by the drive of oil cylinder.
- 4. backbreaking knife suitable for hard rock shield machine according to claim 1 or 2 or 3, it is characterised in that：Described twolip rolling Knife is arranged on drive link by fastening bolt component and hold-down ring.
- It is 5. according to claim 1 to backbreak knife suitable for hard rock shield machine, it is characterised in that：Described drive link lower end sets There is engaging lug, institute's engaging lug is connected by trundle and cylinder piston rod.
- It is 6. according to claim 5 to backbreak knife suitable for hard rock shield machine, it is characterised in that：Open up on described engaging lug There is the installing hole for installing trundle, between the installing hole and trundle compact heap is additionally provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041369.0A CN106593459A (en) | 2017-01-20 | 2017-01-20 | Overbreak cutter for hard rock shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041369.0A CN106593459A (en) | 2017-01-20 | 2017-01-20 | Overbreak cutter for hard rock shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106593459A true CN106593459A (en) | 2017-04-26 |
Family
ID=58585938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710041369.0A Pending CN106593459A (en) | 2017-01-20 | 2017-01-20 | Overbreak cutter for hard rock shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106593459A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013226A (en) * | 2017-05-19 | 2017-08-04 | 中铁工程装备集团有限公司 | The topping machanism and development machine of a kind of development machine |
| CN108825257A (en) * | 2018-09-05 | 2018-11-16 | 中国铁建重工集团有限公司 | Development machine and its knife of backbreaking |
| 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 |
| CN113216994A (en) * | 2021-05-06 | 2021-08-06 | 中建铁投轨道交通建设有限公司 | Construction method for correcting deviation by overexcavation of inserted hob of shield tunneling machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07166793A (en) * | 1992-09-30 | 1995-06-27 | Penta Ocean Constr Co Ltd | Shield machine |
| CN102562083A (en) * | 2012-03-15 | 2012-07-11 | 中交天和机械设备制造有限公司 | Hob capable of being pushed out |
| CN202544849U (en) * | 2012-01-19 | 2012-11-21 | 江苏凯宫隧道机械有限公司 | Profile modeling cutter device |
| CN203685199U (en) * | 2013-12-30 | 2014-07-02 | 上海市机械施工集团有限公司 | Telescopic cutterhead structure |
| CN204357440U (en) * | 2014-12-29 | 2015-05-27 | 中国第一重型机械股份公司 | Shield machine is backbreak cutter |
| CN205036382U (en) * | 2015-07-06 | 2016-02-17 | 中铁工程装备集团有限公司 | Combined type blade disc sword of backbreaking |
| CN206419021U (en) * | 2017-01-20 | 2017-08-18 | 中铁工程装备集团有限公司 | It is a kind of to be backbreak knife suitable for hard rock shield machine |
-
2017
- 2017-01-20 CN CN201710041369.0A patent/CN106593459A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07166793A (en) * | 1992-09-30 | 1995-06-27 | Penta Ocean Constr Co Ltd | Shield machine |
| CN202544849U (en) * | 2012-01-19 | 2012-11-21 | 江苏凯宫隧道机械有限公司 | Profile modeling cutter device |
| CN102562083A (en) * | 2012-03-15 | 2012-07-11 | 中交天和机械设备制造有限公司 | Hob capable of being pushed out |
| CN203685199U (en) * | 2013-12-30 | 2014-07-02 | 上海市机械施工集团有限公司 | Telescopic cutterhead structure |
| CN204357440U (en) * | 2014-12-29 | 2015-05-27 | 中国第一重型机械股份公司 | Shield machine is backbreak cutter |
| CN205036382U (en) * | 2015-07-06 | 2016-02-17 | 中铁工程装备集团有限公司 | Combined type blade disc sword of backbreaking |
| CN206419021U (en) * | 2017-01-20 | 2017-08-18 | 中铁工程装备集团有限公司 | It is a kind of to be backbreak knife suitable for hard rock shield machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013226A (en) * | 2017-05-19 | 2017-08-04 | 中铁工程装备集团有限公司 | The topping machanism and development machine of a kind of development machine |
| CN108825257A (en) * | 2018-09-05 | 2018-11-16 | 中国铁建重工集团有限公司 | Development machine and its knife of backbreaking |
| CN108825257B (en) * | 2018-09-05 | 2023-10-20 | 中国铁建重工集团股份有限公司 | Heading machine and super-digging cutter thereof |
| 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 |
| CN113216994A (en) * | 2021-05-06 | 2021-08-06 | 中建铁投轨道交通建设有限公司 | Construction method for correcting deviation by overexcavation of inserted hob of shield tunneling machine |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |