CN109594996A - A kind of efficient annular shield machine - Google Patents
A kind of efficient annular shield machine Download PDFInfo
- Publication number
- CN109594996A CN109594996A CN201910109268.1A CN201910109268A CN109594996A CN 109594996 A CN109594996 A CN 109594996A CN 201910109268 A CN201910109268 A CN 201910109268A CN 109594996 A CN109594996 A CN 109594996A
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- China
- Prior art keywords
- earthwork
- round
- tunnel
- shield machine
- cutterhead
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- 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.)
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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
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The present invention is a kind of efficient annular shield machine, the technical problem to be solved by the present invention is to, prior art shield machine inefficiency, the technical scheme is that the cutterhead of shield machine is ring-shaped, annular cutterhead can be greatly reduced the earthwork and cut broken amount, the ratio for cutting the shared excavation earth volume of broken amount is smaller, and efficiency is higher.
Description
Technical field:
The present invention relates to massif tunneling technique field, in particular to a kind of novel shield machine that massif tunnel uses.
Background technique:
The main two methods of prior art massif constructing tunnel, one is by shield machine tunneling, this shield machine
Disadvantage be in tunnel soil and rock all cut it is broken, it is this complete since the earth volume to be excavated of tunnel is big
Portion cuts broken method and needs to consume a large amount of energy, needs the shield machine of large-scale weight, and excavation speed is slow；Another kind is explosion
Method tunneling, this method have the side effect of vibration to massif, and tunnel Forming Quality is poor.People are before invention saw
Timber is processed with axe, it is that broken amount is few because cutting why advanced saw is, axe to cut broken amount big, it is fewer to cut broken amount
The energy that it is consumed is smaller, equipment is smaller, speed is faster, efficiency is higher.The shortcomings that in order to overcome massif constructing tunnel, the present invention
The massif tunnel shield machine that a kind of consumption energy is small, equipment is small, speed is fast, high-efficient, construction cost is low is disclosed.
Summary of the invention:
The present invention is a kind of efficient annular shield machine, and the technical problem to be solved by the present invention is to prior art shields
Engine efficiency is low, the technical scheme is that
Under conditions of in massif tunnel, size is constant, cutter head of shield machine cut its fewer consumption of broken amount energy is smaller, equipment
Volume is smaller, speed is faster, efficiency is higher；The width of practical upper tool pan cannot unlimitedly reduce, when the width of cutterhead is reduced
To when being less than 1 meter, cutter plate driver mounting position of motor becomes difficult with broken soil output is cut；After cutterhead diminution in a ring, therefore
It is referred to as annular cutterhead, the shield machine for installing annular cutterhead is known as annular shield machine；Annular cutterhead width can be multiple and different
Size is 1 meter wide the width design of standard toroidal cutterhead；
Annular cutterhead is made of interior cutterhead and outer cutterhead, and cutterhead overall width is 1 meter, wherein interior cutterhead width is 0.5 meter, outside
Cutterhead width is 0.5 meter, interior cutterhead with the direction of rotation of outer cutterhead be it is opposite, one is rotated clockwise, another is instead
Clockwise rotation；It is empty in the interior empty referred to as annular of annular cutterhead width；The broken earthwork is cut by cutterhead to be known as cutting hack side；Ring
It is empty without cutting the referred to as round earthwork of broken soil, broken soil or rock, crushed rocks by cutterhead in shape；Empty diameter one in annular
As be 8~16 meters, empty diameter is bigger in annular, cuts that the shared ratio for excavating the earthwork of broken amount is smaller, and efficiency is higher, therefore the present invention
It is practically applicable to the construction in large-scale massif tunnel；
Annular shield machine is made of shield machine head and round earthwork vehicle two large divisions, have on shield machine head output band,
Round earthwork bucket, round earthwork outlet are cut hack side and are exported by output band, conveyer belt, the round earthwork by round earthwork bucket from
Round earthwork outlet squeezes out；Round earthwork vehicle, which follows, writes shield machine head advanced in unison, circle earthwork while advancing
Slowly be squeezed into round compartment, when the round earthwork is squeezed into mud guard, at this moment shield machine head temporarily ceases operation, circle
All wheels of shape earthwork vehicle are by connecting after hydraulic lifting arm with vehicle body, and hydraulic lifting arm rises 0.1 meter, then declines
0.2 meter, since the lifting of hydraulic stem generates shearing force, make to generate between the earthwork in round compartment and the earthwork of round earthwork bucket disconnected
It splits, round compartment can haul the round earthwork to tunnel；When round earthwork vehicle is transported to tunnel, tunnel
Extruded tube makes tunnel extruded tube move close to shield machine head toward squeezing in tunnel.
The effect of tunnel extruded tube is to prevent the loose earthwork of tunnel inner wall from falling off, preventing tunnel slump；Tunnel extruded tube symbol
Close four conditions, one, pipeline external surface it is smooth, two, the strength of materials be equivalent to steel, three, density of material it is smaller than aluminium, four, pipeline
The angle of outer surface front end is not right angle, is oblique angle.Its manufacture material using fiberglass reinforced plastics (GFRP) meet it is above-mentioned before
Three, face condition, pipe thickness are generally 6~10 centimetres；Meet the tunnel extruded tube of aforementioned four condition, it can whole round tube
One section, one section is squeezed into tunnel from tunnel face, and Tunnel Engineering amount is greatly reduced.
In above-mentioned technical solution, it is difficult to solve the round earthwork always to carry out breakage problem in desired length,
Because must can just transport after fracture, show that its fracture is readily, certainly using the round earthwork after simulated experiment
The huge quality of body can be broken, and most of constructing tunnel hydraulic lifting arm does not have to rise, and directly 0.1 meter of decline just will appear
Phenomenon of rupture.The method in round compartment is squeezed into the round earthwork, and round earthwork method for breaking is core of the invention technology, this
Kind technology is greatly reduced the tunnel earthwork and cuts the work of broken amount, so that engineering-built cost be greatly reduced.
Detailed description of the invention:
Fig. 1 is: annular cutterhead plan view；
Fig. 2 is: annular shield machine figure；
Fig. 3 is: constructing tunnel side view；
Fig. 4 is: the enlarged drawing of range line 7 in Fig. 2；
Fig. 5 is: the enlarged section of range line 21 in Fig. 3；
Digital code in figure: interior cutterhead 1, interior cutterhead direction of rotation 2, outer cutterhead 3, outer cutterhead direction of rotation 4, cutterhead beam overall
5 are spent, sky diameter 6, range line 7, shield machine head 8 export band 9, conveyer belt 10, round earthwork bucket 11, the round earthwork in annular
Outlet 12, round earthwork vehicle 13, round compartment 14, wheel 15, mud guard 16, enginehouse and driver's cabin 17, tunnel squeeze
Pipe 18, sky 19 in tunnel, hydraulic lifting arm 20, range line 21, tunnel squeezes tube wall 22, pipe thickness 23, oblique angle 24, pipeline
Outer surface 25, inner surface of pipeline 26.
Specific embodiment:
A kind of efficient annular shield machine is illustrated with reference to the accompanying drawings:
Shown in Fig. 1, annular cutterhead is made of interior cutterhead 1 and outer cutterhead 3, and cutterhead overall width 5 is 1 meter, wherein interior cutterhead 1 is wide
Degree is 0.5 meter, and outer 3 width of cutterhead is 0.5 meter, and interior cutterhead 1 is opposite a, side clockwise with the direction of rotation of outer cutterhead 3
To rotation, the rotation of another counter-clockwise direction；It is empty in the interior empty referred to as annular of annular cutterhead width；The broken earthwork is cut by cutterhead
It is known as cutting hack side；It is empty without cutting the referred to as round soil of broken soil, broken soil or rock, crushed rocks by cutterhead in annular
Side；Sky diameter 6 is generally 8~16 meters in annular, and empty diameter 6 is bigger in annular, and the ratio for cutting the shared excavation earthwork of broken amount is smaller,
Its efficiency is higher, therefore the present invention is practically applicable to the construction in large-scale massif tunnel；
Shown in Fig. 2, annular shield machine is made of shield machine head 8 and round 13 two large divisions of earthwork vehicle, shield machine head 8
On have output band 9, round earthwork bucket 11, round earthwork outlet 12, cut hack side and exported by output band 9, conveyer belt 10, round soil
Side is squeezed out by round earthwork bucket 11 from round earthwork outlet 12；Round earthwork vehicle 13 is before following work shield machine head 8 to synchronize
Into, while advancing the circle earthwork slowly be squeezed into round compartment 14, when the round earthwork is squeezed into mud guard 16,
At this moment shield machine head 8 temporarily ceases operation, and all wheels 15 of round earthwork vehicle are by after hydraulic lifting arm 20 and vehicle
Body connection, hydraulic lifting arm 20 rises 0.1 meter, then declines 0.2 meter, since the lifting of hydraulic lifting arm 20 generates shearing force,
Make to produce fracture between the earthwork in round compartment 14 and the earthwork of round earthwork bucket 11, round compartment 14 can be after fracture
The round earthwork is hauled to tunnel；When outside the transport to tunnel of round earthwork vehicle 13, tunnel extruded tube 18 is toward in tunnel
It squeezes, tunnel extruded tube 18 is made to move close to shield machine head 8.
The effect of tunnel extruded tube 18 is to prevent the loose earthwork of tunnel inner wall from falling off, preventing tunnel slump；Tunnel extruded tube
18 meet four conditions, one, pipeline external surface 25 it is smooth, two, the strength of materials be equivalent to steel, three, density of material it is smaller than aluminium,
Four, the angle of 25 front end of pipeline external surface is not right angle, is oblique angle 24.Its manufacture material uses fiberglass reinforced plastics (GFRP)
Meet the condition of above-mentioned front three, pipe thickness 23 is generally 6~10 centimetres；Meet the tunnel extruded tube of aforementioned four condition
18, can whole one section of round tube, one section squeezed into tunnel from tunnel face, Tunnel Engineering amount is greatly reduced.
In above-mentioned the technical program, empty diameter 6 is bigger in the annular of annular shield machine, cuts the shared excavation earth volume of broken amount
Ratio it is smaller, efficiency is higher, therefore the present invention is practically applicable to large-scale massif Tunnel Engineering, and engineering cost is greatly reduced；This skill
Art scheme massif tunnel can be used for large-scale south water to north massif Tunnel Engineering, the underground Zang Shui Ru Jiang water diversion project, Mountain Tunnels and hand over
Logical line.
Claims (2)
1. a kind of efficient annular shield machine, it is characterized in that:
Annular cutterhead is made of interior cutterhead (1) and outer cutterhead (3), and cutterhead overall width (5) is 1 meter, wherein interior cutterhead (1) width is
0.5 meter, outer cutterhead (3) width is 0.5 meter, interior cutterhead (1) with the direction of rotation of outer cutterhead (3) be it is opposite, one is clockwise
Direction rotates, the rotation of another counter-clockwise direction；Empty diameter (6) is generally 8~16 meters in annular, and empty diameter (6) is got in annular
Greatly, the ratio for cutting the shared excavation earthwork of broken amount is smaller, and efficiency is higher；
Annular shield machine is made of shield machine head (8) and the round earthwork vehicle (13) two large divisions, is had on shield machine head (8) defeated
Band (9), round earthwork bucket (11), round earthwork outlet (12) out are cut hack side and are exported by output band (9), conveyer belt (10), circle
The shape earthwork is squeezed out by round earthwork bucket (11) from round earthwork outlet (12)；Round earthwork vehicle (13) is to follow to write shield machine machine
Head (8) advanced in unison, while advancing the circle earthwork slowly be squeezed into round compartment (14), when the round earthwork is squeezed into
When to mud guard (16), at this moment shield machine head (8) temporarily ceases operation, and all wheels (15) of round earthwork vehicle are by liquid
It is connect after pressure elevating lever (20) with vehicle body, hydraulic lifting arm (20) rises 0.1 meter, then declines 0.2 meter, due to hydraulic lifting
The lifting of bar (20) generates shearing force, makes to generate between the earthwork in round compartment (14) and the earthwork of round earthwork bucket (11) disconnected
It splits, round compartment (14) can haul the round earthwork to tunnel after fracture；Round earthwork vehicle (13) is transported to tunnel
When outside road, tunnel extruded tube (18) makes tunnel extruded tube (18) move close to shield machine head toward squeezing in tunnel
(8)。
2. tunnel extruded tube as claimed in claim 2, it is characterized in that:
Tunnel extruded tube (18) meets four conditions, one, pipeline external surface (25) it is smooth, two, the strength of materials be equivalent to steel,
Three, density of material is smaller than aluminium, four, the angle of pipeline external surface (25) front end be not right angle, be oblique angle (24).Its manufacture material uses
Fiberglass reinforced plastics, pipe thickness (23) are generally 6~10 centimetres；Meet the tunnel extruded tube of aforementioned four condition
(18), can whole one section of round tube, one section squeezed into tunnel from tunnel face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109268.1A CN109594996A (en) | 2019-02-07 | 2019-02-07 | A kind of efficient annular shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910109268.1A CN109594996A (en) | 2019-02-07 | 2019-02-07 | A kind of efficient annular shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109594996A true CN109594996A (en) | 2019-04-09 |
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ID=65967189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910109268.1A Pending CN109594996A (en) | 2019-02-07 | 2019-02-07 | A kind of efficient annular shield machine |
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| CN (1) | CN109594996A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359379A (en) * | 2011-09-21 | 2012-02-22 | 上海隧道工程股份有限公司 | Annular shield machine and tunnel construction method |
| CN203452797U (en) * | 2013-05-16 | 2014-02-26 | 岑益南 | Numerically controlled automatic shield tunneling machine for full section rock |
| CN204984426U (en) * | 2015-07-29 | 2016-01-20 | 中国铁建重工集团有限公司 | Shield tunnel entry driving machine |
| CN107575241A (en) * | 2017-08-25 | 2018-01-12 | 康子纯 | TBM and shield machine free to go forward or back out |
-
2019
- 2019-02-07 CN CN201910109268.1A patent/CN109594996A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359379A (en) * | 2011-09-21 | 2012-02-22 | 上海隧道工程股份有限公司 | Annular shield machine and tunnel construction method |
| CN102359379B (en) * | 2011-09-21 | 2013-10-23 | 上海隧道工程股份有限公司 | Tunnel construction method |
| CN203452797U (en) * | 2013-05-16 | 2014-02-26 | 岑益南 | Numerically controlled automatic shield tunneling machine for full section rock |
| CN204984426U (en) * | 2015-07-29 | 2016-01-20 | 中国铁建重工集团有限公司 | Shield tunnel entry driving machine |
| CN107575241A (en) * | 2017-08-25 | 2018-01-12 | 康子纯 | TBM and shield machine free to go forward or back out |
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