CN205840879U - The stable supporting device of hard rock mole - Google Patents
The stable supporting device of hard rock mole Download PDFInfo
- Publication number
- CN205840879U CN205840879U CN201620723273.3U CN201620723273U CN205840879U CN 205840879 U CN205840879 U CN 205840879U CN 201620723273 U CN201620723273 U CN 201620723273U CN 205840879 U CN205840879 U CN 205840879U
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- CN
- China
- Prior art keywords
- overcoat
- axis hole
- supporting device
- hard rock
- cylinder
- 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.)
- Withdrawn - After Issue
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
This utility model belongs to Boring Machine Technique field.A kind of stable supporting device of hard rock mole, it is embedded two support units in both sides, development machine anterior shield bottom including symmetry, described support unit includes fixing the guiding overcoat being connected with anterior shield, it is arranged on the stable support cylinder guided in overcoat, and fix, with the piston rod of stable support cylinder, the boots plate being connected, axially disposed in described guiding overcoat have step-like axis hole one and axis hole two, the cylinder body front end of described stable support cylinder is mated laminating with the shoulder between axis hole one and axis hole two and is held out against, stablize the rear end of the cylinder block of support cylinder to be provided with and guide overcoat and fix the rear fender being connected.The structure design that the application is overall, has ensured the stability changing step and the efficiency of limit hobboing cutter replacing of TBM, and the structure simultaneously for support unit designs, and has ensured anterior shield bulk strength, and integral disassembly, assembly is easy to maintenance.
Description
Technical field
This utility model belongs to Boring Machine Technique field, is specifically related to the stable supporting device of a kind of hard rock mole.
Background technology
Double shield hard rock mole (TBM) main frames mainly include cutterhead, anterior shield, flexible shield, and (flexible outer shield is interior with flexible
Shield), several parts such as pole, tail shield, it has two kinds of mode of operations, single shield mode of operation and double shield mode of operations.?
In the case of rock integrity is preferable, using a pole support stretcher for boot and shoe tight hole wall to provide and tunnel a counter-force, cutterhead driving and pipe sheet assembling can
Carry out simultaneously；When the location relatively crushed by country rock, use single shield pattern, card shield risk can be reduced.The most double shields
TBM can realize speedy drivage under adapting to different geological conditions.In double-shielded TBM, the increase of flexible shield makes main frame overall
Length, the card machine risk faced in tunneling process increases.For reducing card shield risk, anterior shield during design main frame, flexible shield,
Prop up pole, tail shield appearance profile diameter is sequentially reduced.Shield body increases the most successively with excavation Dong Bi gap, is changing step process
The motility of middle shield body increases, and is unfavorable for tunneling gesture stability.After tool abrasion reaches certain value, at hobboing cutter of more changing sides simultaneously
Time, need manually to dig rock, expand tool changing space.In order to improve driving precision, reduce labor strength, raising driving effect
Rate, it is necessary to existing main frame is improved.
Utility model content
The purpose of this utility model is the problem and shortage for above-mentioned existence, it is provided that a kind of reasonable in design, compact,
Being conveniently replaceable cutterhead limit hobboing cutter, that reduces development machine changes step pose adjustment difficulty, improves hard rock mole steady of drivage efficiency
Determine support means.
Adopted the technical scheme that by reaching above-mentioned purpose:
The stable supporting device of a kind of hard rock mole, is embedded two supports in both sides, development machine anterior shield bottom including symmetry
Unit, described support unit includes fixing the stable support oil guiding overcoat, being arranged in guiding overcoat being connected with anterior shield
Cylinder and the piston rod with stable support cylinder fix the boots plate being connected, in described guiding overcoat axially disposed have step-like
Axis hole one and axis hole two, patch is mated with the shoulder between axis hole one and axis hole two in the cylinder body front end of described stable support cylinder
Conjunction holds out against, and stablizes the rear end of the cylinder block of support cylinder and is provided with and guides overcoat and fix the rear fender being connected；Described boots plate is with steady
The piston rod determining support cylinder is bolted to connection, and the periphery of boots plate is provided with and mates with axis hole two inwall guiding overcoat
It is provided with black box between the pilot seal inner sleeve that laminating is slided, and guiding overcoat and pilot seal inner sleeve.
Described black box includes being opened in the multiple tracks annular seal groove on axis hole two inwall guiding overcoat and coupling
The sealing strip being arranged in seal groove.
The rear end of described stable support cylinder is provided with rear base, and rear fender offers lead to corresponding with rear base
Hole, described rear base is further fixedly arranged on end casing, is provided with oil pipe centre bore in the middle part of end casing, and end casing and rear pressure
Plate coupling compresses laminating.
Described guiding overcoat rear end is provided with mounting flange, and described rear fender and mounting flange are solid by bolt
Fixed connection.
Multiple detection hole, described detection hole is offered vertically on the guiding sleeve side wall corresponding with pilot seal inner sleeve
Inside it is provided with displacement transducer.
The most uniform on the described outer wall guiding overcoat it is installed with multiple fixing wing plate.
Angle between two support units of anterior shield bottom is α, then 0 ° of ＜ α≤180 °.
Use technique scheme, acquired provide the benefit that:
1. this utility model overall construction design is reasonable, and in double-shielded TBM entirety stepped design, cause changes step
During the big problem of gesture stability difficulty, the application is by arranging two support units in anterior shield bottom, so that change step process
In play stable support function, control the height that shield body is overall, effectively control tunneling direction, during preventing from changing step, shield occurs
The skew of body, improves driving precision and changes step efficiency, solves stepped construction and designs the technical barrier brought；
2., after the cutterhead limit hob abrasion amount of double-shielded TBM reaches maximum permissible value, need to carry out the replacing of limit hobboing cutter,
Using for present stage and manually dig crag, the problem that labor intensity is big, security risk is high, the application is carried out by support unit
Cutterhead, the overall lifting of anterior shield, the space providing sufficient for hobboing cutter of more changing sides, it is to avoid manually dig, greatly reduce workman's
Labor intensity, improves drivage efficiency, has ensured efficiency and the safety of tool changing；
3. the structure design that the application is overall, is not only double-shielded TBM overall structure and performance optimization, and by right
The auxiliary supporting role of double-shielded TBM, has ensured that TBM's changes step and the efficiency of limit hobboing cutter replacing and stability, simultaneously for propping up
The structure design of support unit, has ensured anterior shield bulk strength, and integral disassembly, assembly is easy to maintenance, guide overcoat and pilot seal inner sleeve it
Between be additionally provided with sealing structure, it is possible to effectively prevent water and foreign material etc. from entering in support unit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of support unit.
Fig. 3 is the fractionation structural representation of support unit.
Sequence number in figure: 1 be anterior shield, 2 be support unit, 3 for guide overcoat, 4 for stablize support cylinder, 5 be boots plate, 6 be
Axis hole one, 7 is shoulder for axis hole two, 8,9 is rear fender, 10 is bolt, 11 is pilot seal inner sleeve, 12 is seal groove, 13 is
Sealing strip, 14 be rear base, 15 be end casing, 16 be oil pipe centre bore, 17 be mounting flange, 18 be detection hole, 19 for position
Displacement sensor, 20 it is fixing wing plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
See Fig. 1-Fig. 3, the stable supporting device of a kind of hard rock mole, it is embedded development machine anterior shield 1 time including symmetry
Two support units 2 of both sides, portion, the angle between two support units of anterior shield bottom is α, then 0 ° of ＜ α≤180 °, described
Support unit 2 include fixing with anterior shield be connected guide overcoat 3, be arranged on the stable support cylinder 4 guided in overcoat 3 and
Fix the boots plate 5 being connected with the piston rod of stable support cylinder 4, axially disposed in described guiding overcoat have step-like axle
Hole 1 and axis hole 27, the cylinder body front end of described stable support cylinder 4 is mated with the shoulder 8 between axis hole 1 and axis hole 27
Laminating holds out against, and stablizes the rear end of the cylinder block of support cylinder 4 and is provided with and guides overcoat and fix the rear fender 9 being connected；Described boots plate
Being connected by bolt 10 is fixing with the piston rod of stable support cylinder, the periphery of boots plate 5 is provided with and guides the axis hole 27 of overcoat
The pilot seal inner sleeve 11 that inwall coupling laminating is slided, and it is provided with sealing group between guiding overcoat 3 and pilot seal inner sleeve 11
Part, described black box includes being opened in the multiple tracks annular seal groove 12 on axis hole 27 inwall guiding overcoat 3 and coupling
The sealing strip 13 being arranged in seal groove.
Wherein, the rear end stablizing support cylinder 4 is provided with rear base 14, rear fender 9 offers corresponding with rear base 14
Through hole, described rear base 14 is further fixedly arranged on end casing 15, in the middle part of end casing, is provided with oil pipe centre bore 16, and end
Cover plate 15 mates compression laminating with rear fender 9.
Described guiding overcoat rear end is provided with mounting flange 17, and described rear fender and mounting flange 17 pass through spiral shell
Bolt is fixing to be connected, and guiding overcoat 3 sidewall corresponding with pilot seal inner sleeve 11 offers multiple detection hole 18 vertically, described
Detection hole in be provided with displacement transducer 19, the most uniform on the described outer wall guiding overcoat be installed with multiple fixed-wing
Plate 20.
Its operation principle is: when needs change and walk or more change sides hobboing cutter, first drive the stable support cylinder of support unit
Stretching out, boots plate and beam hanger are displaced outwardly along guiding overcoat；After boots plate contacts with hole wall, stablize support cylinder and continue to stretch out；Support
Cutterhead and anterior shield entirety, with hole wall counteracting force as support reaction, are lifted to demand height by the boots plate of unit, carry out changing step or
More changing sides hobboing cutter action, after action completes, the stable support cylinder of support unit is regained, and cutterhead and anterior shield height reduction are to initially
Position.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model also has respectively
Planting changes and improvements, these changes and improvements both fall within the range of claimed this utility model.This utility model requirement
Protection domain defined by appending claims and equivalent thereof.
Claims (7)
1. the stable supporting device of a hard rock mole, it is characterised in that: include that symmetry is embedded in development machine anterior shield bottom two
Two support units of side, described support unit include fixing with anterior shield be connected guide overcoat, be arranged in guiding overcoat
Stablize support cylinder and the piston rod with stable support cylinder fixes the boots plate being connected, set vertically in described guiding overcoat
It is equipped with step-like axis hole one and axis hole two, between cylinder body front end and axis hole one and the axis hole two of described stable support cylinder
Shoulder coupling laminating holds out against, and stablizes the rear end of the cylinder block of support cylinder and is provided with and guides overcoat and fix the rear fender being connected；Described
Boots plate be bolted to connection with the piston rod stablizing support cylinder, the periphery of boots plate is provided with and guides the axis hole of overcoat
The pilot seal inner sleeve that two inwall coupling laminatings are slided, and it is provided with black box between guiding overcoat and pilot seal inner sleeve.
The stable supporting device of hard rock mole the most according to claim 1, it is characterised in that: described black box bag
Include the multiple tracks annular seal groove being opened on axis hole two inwall guiding overcoat and mate the sealing strip being arranged in seal groove.
The stable supporting device of hard rock mole the most according to claim 1, it is characterised in that: described stable support oil
The rear end of cylinder is provided with rear base, and rear fender offers the through hole corresponding with rear base, described rear base is also fixed setting
It is equipped with end casing, in the middle part of end casing, is provided with oil pipe centre bore, and end casing mates compression laminating with rear fender.
The stable supporting device of hard rock mole the most according to claim 1, it is characterised in that: after described guiding overcoat
End is provided with mounting flange, and described rear fender is bolted to connection with mounting flange.
The stable supporting device of hard rock mole the most according to claim 1, it is characterised in that: with pilot seal inner sleeve pair
Offer multiple detection hole on the guiding sleeve side wall answered vertically, in described detection hole, be provided with displacement transducer.
The stable supporting device of hard rock mole the most according to claim 1, it is characterised in that: described guiding overcoat
The most all lay on outer wall and be installed with multiple fixing wing plate.
The stable supporting device of hard rock mole the most according to claim 1, it is characterised in that: it is positioned at the two of anterior shield bottom
Angle between support unit is α, then 0 ° of ＜ α≤180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620723273.3U CN205840879U (en) | 2016-07-11 | 2016-07-11 | The stable supporting device of hard rock mole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620723273.3U CN205840879U (en) | 2016-07-11 | 2016-07-11 | The stable supporting device of hard rock mole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205840879U true CN205840879U (en) | 2016-12-28 |
Family
ID=57618225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620723273.3U Withdrawn - After Issue CN205840879U (en) | 2016-07-11 | 2016-07-11 | The stable supporting device of hard rock mole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205840879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050247A (en) * | 2016-07-11 | 2016-10-26 | 中铁工程装备集团有限公司 | Stable supporting device of hard rock tunnel boring machine |
-
2016
- 2016-07-11 CN CN201620723273.3U patent/CN205840879U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050247A (en) * | 2016-07-11 | 2016-10-26 | 中铁工程装备集团有限公司 | Stable supporting device of hard rock tunnel boring machine |
| CN106050247B (en) * | 2016-07-11 | 2018-03-16 | 中铁工程装备集团有限公司 | The stable supporting device of hard rock mole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180316 |