CN205329753U - Weak broken surrounding rock tunnel excavator excavation auxiliary device - Google Patents
Weak broken surrounding rock tunnel excavator excavation auxiliary device Download PDFInfo
- Publication number
- CN205329753U CN205329753U CN201620038553.0U CN201620038553U CN205329753U CN 205329753 U CN205329753 U CN 205329753U CN 201620038553 U CN201620038553 U CN 201620038553U CN 205329753 U CN205329753 U CN 205329753U
- Authority
- CN
- China
- Prior art keywords
- bucket tooth
- power shovel
- risers
- tunnel
- excavation
- 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.)
- Active
Links
Landscapes
- Component Parts Of Construction Machinery (AREA)
Abstract
Weak broken surrounding rock tunnel excavator excavation auxiliary device relates to the auxiliary assembly who is used for accelerating tunnel tunnelling speed and controls the tunnel excavation profile in the tunnel excavation operation. Mainly that power shovel can't excavate the outline line by the accurate control when being solving present tunnel excavation, easily cause to surpass the problem design of owing to dig. It is including establishing at the left bucket tooth of power shovel left side fixing base and establishing the bucket tooth right side fixing base on the power shovel right side, bucket tooth left side fixing base is the same with the structure of the right fixing base of bucket tooth, left side fixing base includes two risers, the diaphragm is connected fixedly with the top of two risers, the bottom of two risers is fixed with power shovel, the space that forms between diaphragm and two risers and the power shovel is the bucket tooth slot, distance between the width of bucket tooth and two risers suits, the thickness of bucket tooth and the distance between diaphragm and the power shovel suit, insert in the bucket tooth slot bucket tooth rear end. The advantage is the effectual control tunnel excavation outline line of ability, avoids the tunnel to surpass and owes to dig.
Description
Technical field:
This utility model relates in tunnel excavation job execution for accelerating tunnel piercing speed and controlling the accessory machinery of tunnel excavation profile, is particularly suitable for the little pilot tunnel of weak broken wall rock and the accessory machinery of narrow-bore tunnel excavation operation。
Background technology:
Weak broken stratum is built self during tunnel poor, so selecting rational excavation method particularly important。Construction method suitable in weak broken wall rock tunnel has: benching tunnelling method, Ring Cutting provided core soil method, median septum method (CD method), intersection median septum method (CRD method), two side-wall pilot tunnel, the common ground of these construction methods is to merotomize tunnel excavation face to carry out partial excavation, large cross-section tunnel is namely divided into several light section pilot tunnel carry out excavation construction, so can effectively control the deformation of weak broken wall rock in tunnel excavation process, improve the safety of constructing tunnel, it is to avoid the generation of engineering accident。
It is directed to the construction of light section pilot drive, it is possible to the mode adopting drilling and blasting method or hand fit's machinery is excavated, but drilling and blasting method is due to big to stratum disturbing influence and to factors such as cavern's stability are unfavorable, rarely has use in weak broken wall rock light section pilot tunnel is constructed；The disturbance to tunnel surrounding is little and factor Application comparison in weak broken wall rock light section pilot drive is constructed such as motility height of constructing are extensive owing to excavating for the mode of hand fit's mechanical system。
Mode at hand fit's machinery carries out also running in light section pilot drive process some problems: during (1) employing mechanical work, power shovel cannot accurately control excavation contour line, and namely digging process easily causes out break；(2) power shovel cannot effectively control excavation drilling depth；(3) each pilot tunnel work space is narrow cannot carry out Fully-mechanized operation；(4) what tunnel excavation was manually got rid of the danger after completing is dangerous high；(5) power shovel cannot ensure the effective construction to tunnel excavation blind area。
Summary of the invention:
Technical problem to be solved in the utility model is to provide the use function of a kind of effective performance excavation mechinery, controls the weak broken wall rock tunnel excavator excavation auxiliary device of tunnel excavation contour line, quickening tunnel piercing speed。
Above-mentioned purpose is achieved in that it includes the fixing seat in a bucket tooth left side being located on the left of power shovel and fixes seat with being located at the bucket tooth right side on the right side of power shovel, the fixing seat in a described bucket tooth left side is identical with the structure of the fixing seat in the bucket tooth right side, the fixing seat in a described left side includes two risers, also include a transverse slat, the top of transverse slat and two risers connects fixing, the bottom of two risers and power shovel are fixed, the space formed between transverse slat and two risers and power shovel is bucket tooth slot, also include bucket tooth, bucket tooth can be processed into linear type or arc line type, distance between the width of bucket tooth and two risers adapts, distance between thickness and transverse slat and the power shovel of bucket tooth adapts, bucket tooth rear end is inserted in bucket tooth slot, scraper bowl is coordinated to carry out chamfered edge or excavation construction。
The utility model has the advantages that:
1, this accessory machinery can effectively control tunnel excavation contour line in excavation, it is to avoid Tunnel Overbreak & Underbreak, thus saving concrete amount and reducing unnecessary workload, improves tunnel piercing speed。
2, this accessory machinery has significant effect in tunnel excavation drilling depth controlling, due to this bucket tooth small volume and there is certain longitudinal length, it is possible to avoid because power shovel volume is big, excavation inaccuracy and the excavation drilling depth that causes is excessive。
3, this accessory machinery has higher flexibility in construction operation process, namely on the left of tunneling, bucket tooth is placed in by country rock process in the fixing seat in a bucket tooth left side and carries out construction operation, on the right side of tunneling, bucket tooth is placed in by country rock process in the fixing seat in the bucket tooth right side and carries out construction operation。
4, tunnel Mao Dong can be got rid of the danger in time by this accessory machinery after tunnel excavation, and can excavate power shovel touch less than excavation blind area, thus ensure constructing tunnel operating personnel life security and improve excavation work operations efficiency。
5, this accessory machinery is little to the excavation disturbance of country rock due to bucket tooth small volume, in the excavation operation process of the little pilot tunnel of weak broken wall rock tunnel and auxiliary cavern, it is possible to replacement hand excavation's operation, and then accelerates Tunnel Construction Schedule。
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model, and in figure, 4 is power shovel；
Fig. 2 is the structural representation of the fixing seat in a bucket tooth left side in this utility model amplified。
Detailed description of the invention:
With reference to Fig. 1, 2, it includes the fixing seat 1 in a bucket tooth left side being located on the left of power shovel and fixes seat 2 with being located at the bucket tooth right side on the right side of power shovel, the fixing seat in a described bucket tooth left side is identical with the structure of the fixing seat in the bucket tooth right side, the fixing seat in a described left side includes two risers 11, also include a transverse slat 12, the top of transverse slat and two risers connects fixing, the bottom of two risers and power shovel are fixed, the space formed between transverse slat and two risers and power shovel is bucket tooth slot, also include bucket tooth 3, bucket tooth can be processed into linear type or arc line type, distance between the width of bucket tooth and two risers adapts, distance between thickness and transverse slat and the power shovel of bucket tooth adapts, bucket tooth rear end is inserted in bucket tooth slot, scraper bowl is coordinated to carry out chamfered edge or excavation construction。
Operation principle: be respectively welded a draw-in groove for placing bucket tooth at power shovel both sides side plate, processes the bucket tooth of a linear type or shaped form, and bucket tooth shape is adjusted according to excavated section, the bucket tooth processed is inserted draw-in groove and carries out construction operation。When weak broken wall rock light section pilot drive is constructed, first excavate central core soil part with power shovel, then bucket tooth is inserted excavation surrounding outline portion in power shovel draw-in groove, bucket tooth is inserted by country rock process in the fixing seat in a bucket tooth left side on the left of excavation pilot tunnel and carry out construction operation, on the right side of excavation pilot tunnel, bucket is inserted in the fixing seat in the bucket tooth right side by country rock process and carry out construction operation, the ability of tunnel excavation profile is controlled owing to bucket tooth small volume improves excavator, substantially increase the service efficiency of excavator, thus accelerating Tunnel Construction Schedule。
Claims (1)
1. a weak broken wall rock tunnel excavator excavation auxiliary device, it is characterized in that: include the bucket tooth left side being located on the left of power shovel and fix seat (1) and be located at the fixing seat (2) in the bucket tooth right side on the right side of power shovel, the fixing seat in a described bucket tooth left side is identical with the structure of the fixing seat in the bucket tooth right side, the fixing seat in a described left side includes two risers (1 1), also include a transverse slat (1 2), the top of transverse slat and two risers connects fixing, the bottom of two risers and power shovel are fixed, the space formed between transverse slat and two risers and power shovel is bucket tooth slot, also include bucket tooth (3), distance between the width of bucket tooth and two risers adapts, distance between thickness and transverse slat and the power shovel of bucket tooth adapts, bucket tooth rear end is inserted in bucket tooth slot。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620038553.0U CN205329753U (en) | 2016-01-16 | 2016-01-16 | Weak broken surrounding rock tunnel excavator excavation auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620038553.0U CN205329753U (en) | 2016-01-16 | 2016-01-16 | Weak broken surrounding rock tunnel excavator excavation auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205329753U true CN205329753U (en) | 2016-06-22 |
Family
ID=56196012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620038553.0U Active CN205329753U (en) | 2016-01-16 | 2016-01-16 | Weak broken surrounding rock tunnel excavator excavation auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205329753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640095A (en) * | 2016-12-15 | 2017-05-10 | 中建海峡建设发展有限公司 | Standardbucket with scraper |
| CN111139883A (en) * | 2019-12-27 | 2020-05-12 | 中铁十七局集团第三工程有限公司 | Slope control device and method for slope brushing operation of excavator |
-
2016
- 2016-01-16 CN CN201620038553.0U patent/CN205329753U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640095A (en) * | 2016-12-15 | 2017-05-10 | 中建海峡建设发展有限公司 | Standardbucket with scraper |
| CN106640095B (en) * | 2016-12-15 | 2019-08-27 | 中建海峡建设发展有限公司 | A kind of excavator-type shovel clamshell excavator with scraper |
| CN111139883A (en) * | 2019-12-27 | 2020-05-12 | 中铁十七局集团第三工程有限公司 | Slope control device and method for slope brushing operation of excavator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102305077A (en) | Rapid construction method of large-section multi-arc tunnel | |
| CN105443138A (en) | Small-diameter hard rock pipe-jacking machine suitable for complex strata | |
| CN103343693B (en) | Design method for telescopic multiple-cutting-edge expanding excavation hob partition cutting cutterhead | |
| CN102373930A (en) | Rapid construction method of weak surrounding rock large-section multi-arc tunnel | |
| CN205329753U (en) | Weak broken surrounding rock tunnel excavator excavation auxiliary device | |
| CN205297589U (en) | Minor diameter hard rock pipe pushing jack suitable for compound stratum | |
| CN203248165U (en) | Excavating machine tool suitable for excavating at loess tunnel contour | |
| CN103291312A (en) | Shield tunneling machine capable of realizing three-dimensional grouting | |
| CN105065006A (en) | Bucket and excavator | |
| CN111441786A (en) | Be applied to entry driving machine in special-shaped section tunnel | |
| CN109594988B (en) | Excavation construction method for large-section soft rock tunnel | |
| CN102943676A (en) | Concrete cutting advanced cutter for shield tunneling machine | |
| CN103422865A (en) | Tunnel excavation plastic cutter and tunnel arc-shaped excavation method for weak surrounding rock section | |
| CN204920970U (en) | Tunnel boring machine blade disc | |
| CN106761800A (en) | Support System in Soft Rock Tunnels excavation construction process | |
| CN209163817U (en) | A kind of self-propelled shield machine complete set of equipments of the free section of fitting | |
| CN204877483U (en) | Bucket that excavator was used | |
| CN115162446A (en) | Hobbing cutter and gear wheel composite cutter head for groove milling machine | |
| CN204781075U (en) | Detachable excavator bucket | |
| CN109083648A (en) | Model test intersects hidden cavern excavation manipulator and method | |
| CN205189880U (en) | Shield constructs to be assembled section of jurisdiction and crosses undercut tunnel construction structures | |
| CN113266348A (en) | Tunneling and anchoring all-in-one machine integrated with water jet system and construction method | |
| CN108843339B (en) | The auxiliary slip casting platform and construction method of large-scale solution cavity are passed through when existing tunnel digs | |
| CN208669315U (en) | A kind of rectangular pipe jacking machine perching knife of backbreaking | |
| CN203716205U (en) | Pre-reinforcement pile hole construction equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |