CN106368712B - A kind of full face rock tunnel boring machine cutterhead with impact function - Google Patents
A kind of full face rock tunnel boring machine cutterhead with impact function Download PDFInfo
- Publication number
- CN106368712B CN106368712B CN201611004904.7A CN201611004904A CN106368712B CN 106368712 B CN106368712 B CN 106368712B CN 201611004904 A CN201611004904 A CN 201611004904A CN 106368712 B CN106368712 B CN 106368712B
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- China
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- impact
- cutterhead
- support base
- hobboing cutter
- hob arbor
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Classifications
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- 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
- E21D9/0875—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 with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket
- E21D9/0879—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 with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket the shield being provided with devices for lining the tunnel, e.g. shuttering
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- 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)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of full face rock tunnel boring machine cutterheads with impact function, and several hydraulic shock components that can apply shock loading to rock are added on traditional cutterhead；The hydraulic shock component is arranged symmetrically on cutterhead, including hobboing cutter, hob arbor carriage, support base, impact hydraulic cylinder and impact guide pad, it is equipped in the hob arbor carriage mounting hole that the hob arbor carriage of hobboing cutter is arranged on cutterhead, and can be moved along mounting hole central axis；The back side of cutterhead is installed with support base with position of mounting hole corresponding position；Hob arbor carriage bottom end is installed with impact guide pad；Pilot hole is correspondingly provided on support base；Impact guide pad is slidably fitted in the pilot hole；Impact hydraulic cylinder is installed in support base.Hydraulic shock component with impact function is combined by the present invention with traditional hobboing cutter, and impact function is made full use of in rock break-off process, be can effectively solve the problem that the problems such as cutterhead pick is motionless, stuck, is improved the geological adaptability ability of cutterhead.
Description
Technical field
The invention belongs to full face rock tunnel boring machine driving technology field more particularly to it is a kind of with impact function it is complete break
Face rock ripper cutterhead.
Background technology
In recent years, in the large-scale construction projects such as high-speed railway, city underground, mining, full face rock tunnel boring machine
Many advantages, such as by its environmental protection, high degree of automation, strong geological adaptability and be widely used.This driving method phase
For initial artificial drilling and blasting method, in terms of mechanization degree, in terms of labor productivity, have very great Cheng in terms of safety
Promotion on degree.And in tunneling process, cutterhead is one of most important component of full face rock tunnel boring machine, it bears driving
It excavates, the function of support face, is the installation carrier of all broken rock cutters.Load suffered by cutterhead is typically with airborne
Lotus bears the shock loading of large torque, high thrust and random mutation, under random loading, the vibration of cutterhead show as by
Compel the Random Torsional Vibration and oscillation crosswise of elastomer.So the operating condition of cutterhead is extremely severe, stressing conditions are sufficiently complex,
The rational design of cutterhead reduces excavating cost etc. to improving Advance rate, cutterhead service life, cutter life and the big bearing life of cutterhead
Play an important roll.Due to excavating bad environments, sometimes encountering front ultrahard rock stratum causes cutterhead pick motionless or even stuck existing
As commonplace, to affect the drivage efficiency and driving reliability of cutterhead, therefore how to solve cutterhead in tunneling process and dig
Motionless or even stuck problem is a current problem urgently to be resolved hurrily.
Invention content
The purpose of the present invention is to provide a kind of full face rock tunnel boring machine cutterhead with impact function, the cutterhead is by band
There is the hydraulic shock component of impact function to be combined with traditional hobboing cutter, impact function, Neng Gouyou are made full use of in rock break-off process
Effect solves the problems such as cutterhead pick is motionless, stuck, improves the geological adaptability ability of cutterhead.
In order to solve the above technical problems, a kind of full face rock tunnel boring machine knife with impact function provided by the present invention
Disk is additionally provided with several hydraulic shock components that can apply shock loading to rock on traditional cutterhead；The hydraulic shock
Component is arranged symmetrically on cutterhead.
The hydraulic shock component was located on several girders of cutter head center, and on these several girders
Traditional hobboing cutter is arranged alternately.
The hydraulic shock component includes hobboing cutter, hob arbor carriage, support base, impact hydraulic cylinder and impacts guide pad,
Hob arbor carriage mounting hole is offered on cutterhead, the hob arbor carriage for being equipped with hobboing cutter is arranged in mounting hole, and can be along mounting hole
Mandrel line moves；The back side of the cutterhead is installed with support base with position of mounting hole corresponding position；Installation in the support base
There is impact hydraulic cylinder；The hob arbor carriage bottom end is installed with impact guide pad；On the support base with impact guide pad
Position corresponding position is equipped with pilot hole；The impact guide pad is slidably fitted in the pilot hole；When high pressure oil enters impact liquid
When the rodless cavity of compressing cylinder, the piston rod impact guide pad in hydraulic cylinder is made to make hobboing cutter generate impact to rock
With when high pressure oil enters the rod chamber of impact hydraulic cylinder, piston rod moves upwards at this time, and hobboing cutter retracts reset.
Such as encountering local hard formation causes cutterhead pick motionless or stuck situation, keeps original cutterhead thrust constant first, turns round
Square is set as torque of getting rid of poverty, and then starts impact oil cylinder, impact is suitably set according to the hardness of hard formation or the stuck situation of cutterhead
The parameters such as load, number of shocks and frequency of impact pass to control system to control impact hydraulic oil by the parameter of setting
Cylinder so that the hobboing cutter with impact function to hard formation carry out rock fracture in dynamic indentation, when number of shocks reaches it is presetting when, control system
System meeting slow rotating cutter-head, and suitably increase cutterhead thrust simultaneously, it is final to realize that cutterhead is got rid of poverty.
The advantage of the invention is that：The hydraulic shock of shock loading can be applied to rock by increasing on traditional cutterhead
Component has broken traditional broken rock pattern；The broken rock pattern being combined with traditional hobboing cutter by the hobboing cutter with impact function so that
Efficiency of breaking rock greatly improves, and the cutterhead pick in the engineering is motionless and the again more solutions of the easily stuck equal engineering problems of cutterhead
Approach；Compared with existing cutterhead, without changing the overall structure of existing cutterhead when hydraulic shock component is installed, and realize
Facilitate, processing is simple, and total is compact, easy for installation；Hydraulic shock component is arranged on several girders of cutterhead, and
And be arranged alternately with traditional hobboing cutter on this several girder, the stress equalization of entire cutterhead is not only contributed in this way, moreover it is possible to be promoted
Into the discharge of dregs.
Description of the drawings
Fig. 1 is the integral layout schematic diagram of the present invention；
Fig. 2 is the vertical view of the present invention；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is the sectional view that hydraulic cylinder end cap is impacted in the present invention；
Fig. 5 is hob arbor carriage right view in the present invention；
Wherein：1- cutterheads；11- hob arbor carriage mounting holes；2- tradition hobboing cutters；3- hydraulic shock components；31- hob arbor carriages；
32- hobboing cutters；33- impacts guide pad；34- impacts hydraulic cylinder；341- piston rods；342- end caps；35- support bases；36- high rigidities
Spring；37- wedge blocks.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
As illustrated in fig. 1 and 2, full face rock tunnel boring machine cutterhead provided by the present invention, except installation on traditional cutterhead 1
Have outside several traditional hobboing cutters 2, is additionally provided with several hydraulic shock components 3 that can apply shock loading to rock, these hydraulic punchs
It hits component 3 to be arranged symmetrically on cutterhead, in the present embodiment, according to phases such as limit element artificial module, cutter load and knife spacing
Related parameter optimizes layout, and hydraulic shock component 3 is arranged on several girders of cutterhead, and on this several girder
Traditional hobboing cutter 2 be arranged alternately, not only contribute to the stress equalization of entire cutterhead in this way, moreover it is possible to promote the discharge of dregs.In knife
It is separated by a distance between hobboing cutter and hobboing cutter to be known as installation gap, hydraulic shock component and traditional hobboing cutter on several girders of disk
The following formula of gap reference is installed：
Wherein d is gap, and D is cutter diameter, n1For traditional hobboing cutter number, n2For hydraulic shock number of components.
As shown in Figure 3-Figure 5, the hydraulic shock component 3 includes hobboing cutter 32, hob arbor carriage 31, support base 35, impact liquid
Compressing cylinder 34 and impact guide pad 33, offer hob arbor carriage mounting hole 11 on cutterhead, are equipped with the hob arbor carriage of hobboing cutter 32
31 are arranged in mounting hole 11, and can be moved along 11 central axis of mounting hole；Hobboing cutter 32 is adopted with hob arbor carriage 31 in the present embodiment
It is fixed with wedge block 37 and screw thread combination；The back side of the cutterhead 1 is installed with support base with 11 position corresponding position of mounting hole
35；31 bottom end of the hob arbor carriage is installed with impact guide pad 33；Impact hydraulic cylinder is installed in the support base 35
34, when high pressure oil enters the rodless cavity of impact hydraulic cylinder 34,341 impact of piston rod impacted in hydraulic cylinder 34 is led
To block 33, to make hobboing cutter 32 generate percussion to rock, when high pressure oil enters the rod chamber of impact hydraulic cylinder 34, this
When piston rod 341 move upwards, hobboing cutter is since the pressure of rock retracts reset, to avoid mutual collision impact from generating noise and fire
Flower, the impact guide pad 33 are to be designed to circular rubber block.
As shown in figure 3, several through-holes installed for bolt are equipped on the support base 35, it is right on the hob arbor carriage 31
It should be equipped with screw-threaded counterbore, the support base 35 is real by the bolt being installed in the through-hole and screw-threaded counterbore with hob arbor carriage 31
It now connects, the high rigidity spring 37 being set between the support base 35 and the hob arbor carriage 31 on the bolt, institute
It states 36 one end of high rigidity spring to connect with screw-threaded counterbore step surface, the other end connects with 35 top surface of support base；Outside support base 35
It encloses and is additionally provided with baffle, prevent rock slag from falling into support base 35.
As shown in figure 3, the impact hydraulic cylinder 34 is in flange form, multiple endoporus, convenient and branch are provided in flange end
The plate inner wall bolt of support seat 35 is fixedly connected, convenient for assembling；There are a end cap 342, the end cap in 34 lower end of impact hydraulic cylinder
342 are equipped with a central through hole, and the seal groove of multi-ring annular is equipped on the inner wall of the central through hole；The one of piston rod 341
End is stretched out from the end cap 342, and guide pad 33 is impacted described in face, and is sealed with the seal groove on end cap, and hydraulic pressure is impacted
Oil cylinder 34 is fixed by bolts with end cap 342 and connect；End cap 342 uses multi-layer sealed design, can prevent the hydraulic pressure of hydraulic cylinder
Oil leakage；
When cutterhead 1 is promoted to rock direction, and the hydraulic circuit of impact hydraulic cylinder 34 is closed, the hobboing cutter with impact function
High rigidity spring 36 between knife rest 31 and support base 35 compresses certain length so that the hobboing cutter 32 with impact function is rolled with tradition
The difference in height of knife 2 is zero, and at this time rock breaking efficiency is not different；When high pressure oil enters the rodless cavity of impact hydraulic cylinder 34,
Piston rod 341 moves downward rapidly at this time, 341 impact guide pad 33 of piston rod, due to hob arbor carriage 31 and support base 35
Between high rigidity spring 36 had compressed a segment length and store part potential energy, to impact guide pad 33 it is unexpected downwards
Movement can make the portion of energy of high rigidity spring 36 discharge and hobboing cutter 32 is allowed to move downward rapidly, form an impact process,
Hobboing cutter 32 is just superimposed a shock loading again to the effect of rock from simple static pressure load in this way；When high pressure oil enters impact liquid
When the rod chamber of compressing cylinder 34, piston rod 341 moves upwards at this time, and hobboing cutter can make hob arbor carriage 31 again due to the pressure of rock
High rigidity spring 36 between support base 35 compresses certain length, and the present situation that do not impacted before being returned to entirely was impacted
Journey terminates；In the construction process, such as encountering local hard formation causes cutterhead pick motionless or stuck situation, is controlled by control system
Hydraulic cylinder 34 is impacted, so that the hobboing cutter 32 with impact function carries out rock fracture in dynamic indentation, while slow rotating knife to hard formation
Disk 1, it is final to solve the stuck equal engineering problems of the motionless and cutterhead of cutterhead pick.
Claims (7)
1. a kind of full face rock tunnel boring machine cutterhead with impact function, it is characterised in that：It is also set on traditional cutterhead (1)
There are several hydraulic shock components (3) that can apply shock loading to rock；The hydraulic shock component (3) is on cutterhead (1)
Be arranged symmetrically, the hydraulic shock component (3) was located on several girders of cutter head center, and with these several girders
On traditional hobboing cutter (2) be arranged alternately, the hydraulic shock component (3) includes hobboing cutter (32), hob arbor carriage (31), support base
(35), hydraulic cylinder (34) and impact guide pad (33) are impacted, hob arbor carriage mounting hole (11) is offered on cutterhead (1), pacifies
Hob arbor carriage (31) equipped with hobboing cutter (32) is arranged in mounting hole, and can be moved along mounting hole central axis；The cutterhead (1)
The back side and position of mounting hole corresponding position be installed with support base (35)；Hob arbor carriage (31) bottom end is installed with punching
Hit guide pad (33)；Impact hydraulic cylinder (34) is installed, when high pressure oil enters impact hydraulic cylinder in the support base (35)
(34) when rodless cavity, piston rod (341) impact guide pad (33) in hydraulic cylinder, to make hobboing cutter (32) to rock
Percussion is generated, when high pressure oil enters the rod chamber of impact hydraulic cylinder (34), hobboing cutter (32) is under rock pressure effect
Retract reset.
2. the full face rock tunnel boring machine cutterhead according to claim 1 with impact function, it is characterised in that：The branch
It supports and is equipped with pilot hole with impact guide pad (33) the position corresponding position on seat (35)；The impact guide pad (33) is slidably matched
In the pilot hole.
3. the full face rock tunnel boring machine cutterhead according to claim 2 with impact function, it is characterised in that：The branch
It installs and has elastic component between support seat (35) and the hob arbor carriage (31), when high pressure oil enters having for impact hydraulic cylinder (34)
When rod cavity, hobboing cutter (32) retracts reset under the pressure effect of rock, and elastic element stores portion of energy by compression.
4. full face rock tunnel boring machine cutterhead according to claim 3, it is characterised in that：The elastic element is high rigidity
Spring (36), the support base (35) are equipped with several through-holes installed for bolt, are correspondingly provided on the hob arbor carriage (31)
Screw-threaded counterbore, the support base (35) are connected with hob arbor carriage (31) by being installed on the bolt of the through-hole and screw-threaded counterbore and realizing
It connects, the high rigidity spring (36) is sleeved on the bolt, the step surface connection of one end and screw-threaded counterbore, the other end and support
Seat (35) top surface connects.
5. the full face rock tunnel boring machine cutterhead according to claim 4 with impact function, it is characterised in that：The punching
It is to be designed to circular rubber block to hit guide pad (33).
6. having the full face rock tunnel boring machine cutterhead of impact function according to claim 1-5 any one of them, feature exists
In：It is additionally provided with baffle in support base (35) periphery.
7. the full face rock tunnel boring machine cutterhead according to claim 6 with impact function, it is characterised in that：The rolling
Knife (32) combines fixation with hob arbor carriage (31) using wedge block (37) and threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004904.7A CN106368712B (en) | 2016-11-15 | 2016-11-15 | A kind of full face rock tunnel boring machine cutterhead with impact function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611004904.7A CN106368712B (en) | 2016-11-15 | 2016-11-15 | A kind of full face rock tunnel boring machine cutterhead with impact function |
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| Publication Number | Publication Date |
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| CN106368712A CN106368712A (en) | 2017-02-01 |
| CN106368712B true CN106368712B (en) | 2018-10-26 |
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| CN107313783A (en) * | 2017-08-28 | 2017-11-03 | 中铁十局集团第五工程有限公司 | Groove presplitting impact type rock breaking method |
| CN107514263A (en) * | 2017-08-28 | 2017-12-26 | 中铁十局集团第五工程有限公司 | Impact type TBM |
| CN108457664A (en) * | 2018-04-12 | 2018-08-28 | 南京工业职业技术学院 | Impact cutterhead and heading end |
| CN109184712B (en) * | 2018-09-06 | 2024-03-01 | 西安科技大学 | Self-impact hob for shield machine and method for impact breaking rock surface by using self-impact hob |
| CN109339808A (en) * | 2018-11-21 | 2019-02-15 | 中铁工程装备集团有限公司 | Pressure beats compound broken rock shield machine |
| CN109707391B (en) * | 2019-02-26 | 2024-03-08 | 中国铁建重工集团股份有限公司 | Escaping device of heading machine and heading machine |
| CN111947970B (en) * | 2020-07-08 | 2023-07-14 | 北京卫星制造厂有限公司 | Low-counterforce composite sampling device suitable for extraterrestrial celestial body |
| CN112483102B (en) * | 2020-11-30 | 2023-01-20 | 中国铁建重工集团股份有限公司 | Heading machine and cutter head device thereof |
| CN113374493B (en) * | 2021-07-15 | 2023-11-24 | 中铁二十三局集团有限公司 | Push bench cutterhead structure, push bench and tool bit winding foreign matter removal method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4413800B2 (en) * | 2005-02-28 | 2010-02-10 | 清水建設株式会社 | Cutter bit |
| CN103016016A (en) * | 2012-12-27 | 2013-04-03 | 西安交通大学 | Two-stage step-type cutter head system for full-face rock tunnel boring machine |
| CN103790584A (en) * | 2014-02-28 | 2014-05-14 | 中南大学 | Impact-assisted heading machine for hard rock ore exploitation |
| CN203905953U (en) * | 2014-05-05 | 2014-10-29 | 韩蕊琪 | Hard rock fast tunneling machine |
| CN104196543A (en) * | 2014-09-16 | 2014-12-10 | 张昌平 | Cutterhead device for large-diameter full-section impact crushing of hard rock |
| CN205315007U (en) * | 2016-01-24 | 2016-06-15 | 吉林大学 | High -efficient detritus blade disc of TBM with ultrasonic vibrator |
-
2016
- 2016-11-15 CN CN201611004904.7A patent/CN106368712B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4413800B2 (en) * | 2005-02-28 | 2010-02-10 | 清水建設株式会社 | Cutter bit |
| CN103016016A (en) * | 2012-12-27 | 2013-04-03 | 西安交通大学 | Two-stage step-type cutter head system for full-face rock tunnel boring machine |
| CN103790584A (en) * | 2014-02-28 | 2014-05-14 | 中南大学 | Impact-assisted heading machine for hard rock ore exploitation |
| CN203905953U (en) * | 2014-05-05 | 2014-10-29 | 韩蕊琪 | Hard rock fast tunneling machine |
| CN104196543A (en) * | 2014-09-16 | 2014-12-10 | 张昌平 | Cutterhead device for large-diameter full-section impact crushing of hard rock |
| CN205315007U (en) * | 2016-01-24 | 2016-06-15 | 吉林大学 | High -efficient detritus blade disc of TBM with ultrasonic vibrator |
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| CN106368712A (en) | 2017-02-01 |
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