CN205558911U - Excavator digs head suitable for severely -weathered and half diagenesis stratum tunnel excavation - Google Patents
Excavator digs head suitable for severely -weathered and half diagenesis stratum tunnel excavation Download PDFInfo
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- CN205558911U CN205558911U CN201620358837.8U CN201620358837U CN205558911U CN 205558911 U CN205558911 U CN 205558911U CN 201620358837 U CN201620358837 U CN 201620358837U CN 205558911 U CN205558911 U CN 205558911U
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- cutting tool
- excavation
- weathered
- severely
- jack
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Abstract
The utility model relates to an excavator digs head suitable for severely -weathered and half diagenesis stratum tunnel excavation, what it included an excavation tunnel digs that the mechanical shovel is fought and the cutting tool on stratum is not excavated in two machinables, the lateral wall slopes forward before digging the mechanical shovel and fighting, and the top is equipped with the forming relieved tooth, digs the fixed mounting parts that the mechanical shovel fill left and right sides was equipped with the mountable or dismantled cutting tool, two cutting tool respectively with correspond fixed mounting parts fixed connection, and all extend forward and exceed and dig the mechanical shovel preceding lateral wall of fighting, compared with the prior art, the utility model discloses the product cutting tool when digging the machine excavation can not cut excavating the soil body, and supplementary excavation improves excavation work efficiency, reduces construction cost, and in tunnel the place ahead soil body excavation back, cutting tool can also cut the hunch portion soil body of installing near steelframe, reduces artifical clear geotechnological preface, and it is more convenient to be under construction, reduces construction cost and construction risk, improves work efficiency, effectively avoids the tunnel to owe to dig, improves the tunnel excavation quality.
Description
Technical field
This utility model relates to tunnelling device field, particularly relates to a kind of tunnel excavator and digs head.
Background technology
China has built the infrastructure such as subway, highway, railway in a large number, and these infrastructure many all can
Comprise severely-weathered and strutum of semi-rock tunnel.These severely-weathered and strutum of semi-rock tunnel traditional construction sides
Method is to use milling to dig method excavation, and construction cost is the highest, operation is many；Or using hand excavation, work efficiency is extremely low；
Or use common excavator to excavate, it is impossible to excavation has installed the soil body in steelframe front, needs hand fit,
Construction risk and cost are all big, no matter take which kind of mechanical equivalent of light excavation all to exist and owe to dig.For severely-weathered and half
There is the difficult problem that work efficiency is low, cost is high, risk is big in diagenesis formation tunnel excavation, there is presently no preferably
Construction method.
Utility model content
Technical problem to be solved in the utility model be to provide one be simple to manufacture, easy to use, can
It is substantially reduced construction cost and construction risk and is greatly improved being suitable for of work efficiency and tunnel excavation quality
In severely-weathered and strutum of semi-rock tunnel excavation excavator head.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:
A kind of being applicable to severely-weathered with strutum of semi-rock tunnel excavation excavator head, it includes a use
The cutting tool not excavating stratum can be cut in advance in the digging machine scraper bowl of tunneling and two, described in dig
The front side wall of mechanical shovel bucket turns forward setting, and the front side wall front end of described digging machine scraper bowl is provided with for excavating ground
The teeth of layer, is respectively equipped with outside the left and right sides wall of described digging machine scraper bowl and can install or remove described cutting
The fixed installation parts of cutter, two described fixed installation parts respectively with the left and right two of described digging machine scraper bowl
Sidewall is fixing to be connected, two described cutting tool connections fixing with corresponding described fixed installation parts respectively,
And extend the most forward and exceed the front side wall of described digging machine scraper bowl.
Compared with prior art, the beneficial effects of the utility model are:
This utility model product installs cutting tool in digging machine scraper bowl both sides, when digging machine scraper bowl excavates downwards
Cutting tool can cut in advance to not excavating stratum, auxiliary digging machine scraper bowl excavation, can not only improve
The work efficiency of digging machine excavation, moreover it is possible to reduce construction cost, it addition, after the soil excavation of front, tunnel,
The arch soil body installed near steelframe can also be cut by cutting tool, reduces artificial clear geotechnique
Sequence, constructs convenient, is not only substantially reduced construction cost and construction risk, improves work efficiency, and
And be prevented effectively from tunnel and owe to dig, it is greatly improved tunnel excavation quality.
On the basis of technique scheme, this utility model can also do following improvement.
As a kind of preferred implementation of the present utility model, two described fixed installation parts respectively with institute
State the left and right sides wall welding of digging machine scraper bowl, screw connects or one-body molded.
Above-mentioned preferred version is used to provide the benefit that: fixing connection is simpler, convenient, more firm.
As another kind of preferred implementation of the present utility model, described fixed installation parts are socket
Part, the rear end of described cutting tool plugs together with described slot parts and is connected.
Above-mentioned preferred version is used to provide the benefit that: the production and processing of fixed installation parts is more prone to,
Install, dismounting of cutting cutter is simpler, convenience, and fixing of cutting tool is more firm.
As another kind of preferred implementation of the present utility model, described fixed installation parts are latch part
Part, the rear end of described cutting tool connects with corresponding described lock buckling part snap close.
Above-mentioned preferred version is used to provide the benefit that: the production and processing of fixed installation parts is more prone to,
Install, dismounting of cutting cutter is simpler, conveniently.
As another kind of preferred implementation of the present utility model, the blade of described cutting tool is long chi
Shape.
Above-mentioned preferred version is used to provide the benefit that: not only production and processing is simpler, convenient, and
Convenient cutting tool cuts in advance to not excavating stratum, auxiliary digging machine excavation, or to pacifying
If the arch soil body near steelframe cuts, reduce artificial clear geotechnique's sequence.
As another kind of preferred implementation of the present utility model, described fixed installation parts are provided with can be with
The blade of described cutting tool plugs together the jack of connection, and the sectional area of described jack is equal to described cutting tool
The sectional area of blade, less than the sectional area of described cutting tool handle of a knife, the blade of described cutting tool passes
Described jack also extends forward, and the handle of a knife of described cutting tool is against at described jack.
Above-mentioned preferred version is used to provide the benefit that: the production and processing of fixed installation parts is more prone to,
Install, dismounting of cutting cutter is simpler, convenient, and cutting tool is fixing the most firm.
As another kind of preferred implementation of the present utility model, described fixed installation parts include before and after also
First fixed component of row setting and the second fixed component, described first fixed component is provided with can be with described
The blade of cutting tool plugs together the first fixed jack of connection, and described second fixed component is provided with can be with institute
The blade stating cutting tool plugs together the second fixed jack of connection, and the sectional area of described first fixed jack is little
In the sectional area of described second fixed jack, the sectional area of described second fixed jack is less than described cutting edge
The sectional area of tool handle of a knife, the side section shape of described cutting tool blade rear end is step-like or " convex " word
Shape, and simultaneously corresponding with described first fixed jack, described second fixed jack.
Use above-mentioned preferred version to provide the benefit that: fixed installation parts are divided into the first fixed component and
Second fixed component two parts, not only production and processing is more prone to, and more saves material, reduces into
This, and install, the simpler convenience of dismounting of cutting cutter, cutting tool fixing the most firm.
As another kind of preferred implementation of the present utility model, the front side wall of described digging machine scraper bowl and opening
Between angle 30 °-45 °.
Above-mentioned preferred version is used to provide the benefit that: convenient digging machine scraper bowl carries out tunnel excavation.
As another kind of preferred implementation of the present utility model, described cutting tool and described digging machine scraper bowl
Opening between angle be 0.
Above-mentioned preferred version is used to provide the benefit that: convenient cutting tool is to not excavating stratum in advance
Cut, auxiliary digging machine excavation, or the arch soil body installed near steelframe is cut, subtract
Few artificial clear geotechnique's sequence.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model product side section；
Fig. 2 is the structural representation that this utility model product overlooks face；
In accompanying drawing, the list of parts representated by each label is as follows:
1, digging machine scraper bowl, 2, cutting tool, 3, fixed installation parts, the 4, first fixed component, 5,
Second fixed component.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving
Release this utility model, be not intended to limit scope of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, a kind of be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavator
Dig head, it include a digging machine scraper bowl 1 for tunneling and two can cut in advance and not excavate ground
Layer cutting tool 2, the blade of described cutting tool 2 preferably in long ruler-like (see Fig. 1, Fig. 2), institute
State the front side wall of digging machine scraper bowl 1 to turn forward setting, and and digging machine scraper bowl 1 opening between angle best
Being 30 °-45 °, the diapire of described digging machine scraper bowl 1 is typically flat shape, before described digging machine scraper bowl 1
Sidewall front end is provided with the teeth for excavating stratum, outside the left and right sides wall of described digging machine scraper bowl 1 respectively
It is provided with the fixed installation parts 3 that can install or remove described cutting tool 2, described digging machine scraper bowl 1, cuts
Cutting knife tool 2, fixed installation parts 3 are preferably made by metal material；
Two described fixed installation parts 3 fixing companies with the left and right sides wall of described digging machine scraper bowl 1 respectively
Connecing, two described cutting tools 2 are fixed with corresponding described fixed installation parts 3 respectively and are connected, such as:
Welding, screw connect or the connected mode such as one-body molded, and described cutting tool 2 extends the most forward and exceeds
The front side wall of described digging machine scraper bowl 1, and and described digging machine scraper bowl 1 opening between angle be preferably 0.
In this utility model, described fixed installation parts 3 can be arranged can be with described cutting tool 2
Blade plugs together the jack of connection, and the sectional area of described jack is equal to the sectional area of described cutting tool 2 blade,
Less than the sectional area of described cutting tool 2 handle of a knife, the blade of described cutting tool 2 is through described jack also
Extending forward, the handle of a knife of described cutting tool 2 is against at described jack.
It is solid that described fixed installation parts 3 preferably include the first fixed component 4 and second being front and back set up in parallel
Limiting-members 5, in described first fixed component 4, setting can plug together with the blade of described cutting tool 2 and be connected
The first fixed jack, in described second fixed component 5 arrange can with the blade of described cutting tool 2 insert
Closing the second fixed jack connected, the sectional area of described first fixed jack is less than described second fixed jack
Sectional area, the sectional area of described second fixed jack less than the sectional area of described cutting tool 2 handle of a knife,
The blade rear end of described cutting tool 2 simultaneously with described first fixed jack, described second fixed jack phase
Corresponding；Described first fixed jack and the second fixed jack can be top or bottom concordant, such as Fig. 1 institute
Showing, the side section shape of the blade rear end of the most described cutting tool 2 is step-like；Described first fixes
Jack and the second fixed jack can also be coaxially disposed, the side of the blade rear end of the most described cutting tool 2
Section shape is horizontal "convex" shaped；Described first fixed jack and the second fixed jack can use
The steel plate bending of several cm thicks processes, then is welded on the two side of described digging machine scraper bowl, the most again
By the blade of described cutting tool 2 successively from the second fixed jack, first fixed jack insert, described in cut
The handle of a knife of cutting knife tool 2 is stayed outside described second fixed jack, and the blade of described cutting tool 2 and second is admittedly
Determine the medial wall of jack, the medial wall of the first fixed jack fits tightly.
In this utility model, described fixed installation parts 3 can also be slot parts, described cutting tool
The rear end of 2 plugs together with described slot parts and is connected；Can also be lock buckling part, described cutting tool 2
Rear end connects with corresponding described lock buckling part snap close.
This utility model product installs cutting tool 2 in digging machine scraper bowl 1 both sides, it is adaptable to severely-weathered with half
Diagenesis formation tunnel excavation construction, when digging machine scraper bowl 1 excavates downwards, cutting tool 2 can be to not excavating
The soil body cuts in advance, and auxiliary digging machine scraper bowl 1 excavates, and can not only improve the work efficiency of digging machine excavation,
Construction cost can also be reduced, it addition, after the soil excavation of front, tunnel, cutting tool 2 can also be to
Install the arch soil body near steelframe to cut, reduce artificial clear geotechnique's sequence, construct convenient, no
But it is substantially reduced construction cost and construction risk, improves work efficiency, and be prevented effectively from tunnel and owe to dig,
It is greatly improved tunnel excavation quality, has that technique is simple, advanced technology, an advantage such as practical, fill up
The blank of China's severely-weathered stratum digging machine cutting excavation technology, achieves good economic benefit and society
Benefit.
It is obvious to a person skilled in the art that this utility model is not limited to above-mentioned one exemplary embodiment
Details, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to other
Concrete form realizes this utility model.Which point therefore, no matter from the point of view of, embodiment all should be regarded as
Exemplary, and be nonrestrictive, scope of the present utility model by claims rather than on
State bright restriction, it is intended that all changes that will fall in the implication of equivalency and scope of claim
Changing includes in this utility model, any reference in claim should not be considered as restriction involved
Claim.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (9)
1. being applicable to a severely-weathered and strutum of semi-rock tunnel excavation excavator head, its feature exists
In, it include a digging machine scraper bowl (1) for tunneling and two can cut in advance and not excavate
The cutting tool (2) on stratum, the front side wall of described digging machine scraper bowl (1) turns forward setting, described in dig
The front side wall front end of mechanical shovel bucket (1) is provided with the teeth for excavating stratum, described digging machine scraper bowl (1)
The fixed installation parts that can install or remove described cutting tool (2) it are respectively equipped with outside the wall of the left and right sides
(3), two described fixed installation parts (3) respectively with the left and right sides of described digging machine scraper bowl (1)
Wall is fixing to be connected, and two described cutting tools (2) are solid with corresponding described fixed installation parts (3) respectively
Fixed connection, and extend the most forward and exceed the front side wall of described digging machine scraper bowl (1).
The most according to claim 1 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that two described fixed installation parts (3) respectively with described digging machine scraper bowl (1)
The welding of left and right sides wall, screw connects or one-body molded.
The most according to claim 1 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that described fixed installation parts (3) are slot parts, described cutting tool
(2) rear end plugs together with described slot parts and is connected.
The most according to claim 1 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that described fixed installation parts (3) are lock buckling part, described cutting tool
(2) rear end connects with corresponding described lock buckling part snap close.
The most according to claim 1 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that the blade of described cutting tool (2) is long ruler-like.
The most according to claim 1 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that described fixed installation parts (3) are provided with can be with described cutting tool (2)
Blade plug together the jack of connection, the sectional area of described jack is equal to described cutting tool (2) blade
Sectional area, less than the sectional area of described cutting tool (2) handle of a knife, the blade of described cutting tool (2)
Through described jack and extending forward, the handle of a knife of described cutting tool (2) is against at described jack.
The most according to claim 6 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that described fixed installation parts (3) include that be front and back set up in parallel first is solid
Limiting-members (4) and the second fixed component (5), described first fixed component (4) is provided with can be with institute
The blade stating cutting tool (2) plugs together the first fixed jack of connection, described second fixed component (5)
It is provided with and can plug together the second fixed jack being connected with the blade of described cutting tool (2), described first
The sectional area of fixed jack is less than the sectional area of described second fixed jack, cutting of described second fixed jack
Area is less than the sectional area of described cutting tool (2) handle of a knife, described cutting tool (2) blade rear end
Side section shape is step-like or "convex" shaped, and simultaneously with described first fixed jack, described second
Fixed jack is corresponding.
The most according to claim 1 be applicable to severely-weathered with strutum of semi-rock tunnel excavation excavation
Machine digs head, it is characterised in that angle 30 °-45 ° between front side wall and the opening of described digging machine scraper bowl (1).
9. severely-weathered with strutum of semi-rock tunnel according to being applicable to according to any one of claim 1-8
The excavator head of excavation, it is characterised in that described cutting tool (2) and described digging machine scraper bowl (1)
Opening between angle be 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358837.8U CN205558911U (en) | 2016-04-26 | 2016-04-26 | Excavator digs head suitable for severely -weathered and half diagenesis stratum tunnel excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358837.8U CN205558911U (en) | 2016-04-26 | 2016-04-26 | Excavator digs head suitable for severely -weathered and half diagenesis stratum tunnel excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205558911U true CN205558911U (en) | 2016-09-07 |
Family
ID=56806509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620358837.8U Expired - Fee Related CN205558911U (en) | 2016-04-26 | 2016-04-26 | Excavator digs head suitable for severely -weathered and half diagenesis stratum tunnel excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205558911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524452A (en) * | 2017-08-31 | 2017-12-29 | 中铁局集团有限公司 | A kind of tunnel excavation construction trimming device and finishing construction method |
-
2016
- 2016-04-26 CN CN201620358837.8U patent/CN205558911U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524452A (en) * | 2017-08-31 | 2017-12-29 | 中铁局集团有限公司 | A kind of tunnel excavation construction trimming device and finishing construction method |
| CN107524452B (en) * | 2017-08-31 | 2019-05-17 | 中铁一局集团有限公司 | A kind of tunnel excavation construction trimming device and finishing construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170426 |