CN102505721A - Hydraulic grab bucket device of underground diaphragm wall - Google Patents
Hydraulic grab bucket device of underground diaphragm wall Download PDFInfo
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- CN102505721A CN102505721A CN2011103323716A CN201110332371A CN102505721A CN 102505721 A CN102505721 A CN 102505721A CN 2011103323716 A CN2011103323716 A CN 2011103323716A CN 201110332371 A CN201110332371 A CN 201110332371A CN 102505721 A CN102505721 A CN 102505721A
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- hydraulic grab
- cleaning shoe
- continuous wall
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Abstract
The invention discloses a hydraulic grab bucket device of an underground diaphragm wall, which comprises a frame, a grab bucket installed on the frame and mud scraping pieces arranged at the bottom of the frame along two sides of the frame in the width direction, wherein mud scraping width of the two mud scraping pieces which are arranged on two sides of the frame and stride along the width direction is larger than that of the frame. By additionally arranging mud scraping plates are on two sides of the bottom of the frame, the facts that mud on a trough wall is removed and trough clamping in the grab bucket is avoided are achieved so that designing width of the frame can be increased to the most extent. The hydraulic grab bucket device is suitable for excavation of the thin-wall type underground diaphragm wall, and the problems which a thin-wall type grab bucket device has can be solved.
Description
Technical field
The present invention relates to excavation machinery, relate in particular to the subterranean continuous wall hydraulic grab device.
Background technology
Diaphragm wall is a kind of trench machine that utilizes, and by means of the retaining wall effect of mud, digs out narrow and dark groove underground, and pour into a mould suitable material within it and form have antiseepage (water) together, the continuous underground wall body of retaining soil and weight-bearing function.
Compare with the hydraulic grab that is applicable to heavy wall type diaphragm wall, owing to be applicable to that the hydraulic grab of thin wall type diaphragm wall is thinner, the bucket tooth negligible amounts, even be single bucket tooth, grab bucket is when the trenching construction operation, and earth residual on the cell wall is more.
In addition, because the hydraulic grab of thin wall type diaphragm wall is thinner, left and right sides deviation correction mechanism can't be set, for obtaining grip preferably, needing increases the weight of grab bucket and its center of gravity is moved down as far as possible.
If adopt the means that increase frame width to increase the weight of grab bucket and make its down-shift of working center, at this moment, the well width that becomes of frame width and grab bucket can be more approaching; Resistance when a large amount of residual earth will add the big frame lifting on the cell wall; Resistance is excessive causes overturning dangerous in order to avoid promoting, and the overload protection that is provided with on the vehicle does not allow to continue to promote hydraulic grab, causes the framework of hydraulic grab to be stuck in the groove; Form the draw-in groove phenomenon; Need this moment other lifting appliance that hydraulic grab is mentioned, this is that designer and constructor are unwilling to take place, and present this means are not adopted by reality.
Generally take to design frame width to such an extent that compare, to let residual earth when the framework elevating movement into the little a lot mode of well width.Yet this measure can not well be guaranteed the weight of grab bucket, for gaining in weight, under the situation that grab bucket thickness and width all can not increase, can only increase the height of grab bucket, the center of gravity of grabbing bucket like this can on move and be unfavorable for the grooving precision.
Summary of the invention
The object of the present invention is to provide a kind of hydraulic grab device that is applicable to the thin wall type diaphragm wall, in the design width of the framework that increases hydraulic grab, to avoid causing the draw-in groove phenomenon.
For this reason; The invention provides a kind of subterranean continuous wall hydraulic grab device; Comprise framework, be installed on the grab bucket of framework, the both sides of broad ways are provided with in the bottom of framework scrapes mud spare, two of both sides scrape mud spare and scrape the width of mud width greater than framework what broad ways was crossed over.
Further, the above-mentioned mud spare of scraping is a cleaning shoe, and cleaning shoe is to extending below and extending laterally along the frame width direction.
Further, the angle between above-mentioned cleaning shoe and the vertical plane is 0 °～5 °.
Further, the angle between above-mentioned cleaning shoe and the vertical plane is 3 °～5 °.
Further, the both sides of the bottom broad ways of said frame are welded with mount pad respectively, and cleaning shoe is fixedly connected on the mount pad.
Further; Above-mentioned mount pad comprises junction plate, plurality of support and seat board; Junction plate is fixed on the terminal part of framework obliquely, and each gripper shoe is parallel to each other along the thickness direction of thin wall type diaphragm wall and is arranged on the junction plate at interval, forms the separate slot of being convenient to fitting operation between the adjacent gripper shoe; One gap is formed on the top of each gripper shoe; Each gap is interconnected and forms accepting groove, and seat board is contained in the accepting groove and is weldingly fixed on each gripper shoe, and cleaning shoe is removably mounted on the seat board through the plurality of fixed part.
Further, above-mentioned cleaning shoe is removably mounted on the mount pad through the plurality of fixed part.
Further, above-mentioned mount pad is provided with the contacted power transmission of cleaning shoe portion and ruptures to prevent fixture.
Further, the one-tenth well width that the Breadth Maximum between the mud spare equals to grab bucket is scraped in the said frame both sides.
In invention, increase cleaning shoe through two bottom sides at framework, reached and removed cell wall earth and prevent the generation of draw-in groove phenomenon of grabbing bucket, so that can increase the design width of framework to greatest extent.The present invention is applicable to the hydraulic grab device that excavates the thin wall type diaphragm wall, can solve the problem that thin wall type grab bucket device exists.
Except top described purpose, characteristic and advantage, other purpose, characteristic and advantage that the present invention has are with combining accompanying drawing to do further detailed explanation.
Description of drawings
Constitute this manual a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for explaining principle of the present invention with manual.Among the figure:
Fig. 1 shows the structural representation according to thin wall type subterranean continuous wall hydraulic grab of the present invention;
Fig. 2 shows the trenching construction sketch map of the hydraulic grab of prior art;
Fig. 3 is according to the trenching construction sketch map of hydraulic grab of the present invention;
Fig. 4 shows the assembling sketch map according to the cleaning shoe of hydraulic grab shown in Figure 1 and mount pad; And
Fig. 5 shows the STRUCTURE DECOMPOSITION sketch map according to the cleaning shoe of hydraulic grab shown in Figure 1 and installation group.
Description of reference numerals
10 hydraulic grab devices, 11 frameworks
12 grab buckets of 11a terminal part
13,14 cleaning shoes, 15 fixtures
16 mount pad 16a power transmission portions
17 gripper shoe 17a right angle type gap
18 seat boards, 19 junction plates
20 cell walls, 21 earth.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 shows the structural representation according to thin wall type subterranean continuous wall hydraulic grab device of the present invention.As shown in Figure 1; Hydraulic grab device 10 comprises framework 11, be installed on the grab bucket 12 of framework and the both sides of broad ways are provided with in the bottom of framework 11 cleaning shoe 13,14, and two of both sides scrape mud spare 13,14 and scrape the width W 3 of mud width greater than framework 11 what broad ways was crossed over.
In this application, width is meant the size of the line direction of the pivot axis of grab bucket about the edge, and thickness is meant the size of the pivot axis bearing of trend of grab bucket about the edge, only if spelt out other implications.
Design width W3 is the width that when framework 11 manufactures and designs, is adopted, and increases the down-shift of working center that this design width can make the hydraulic grab device.The method of design width that increases framework 11 is following: the cleaning shoe 13,14 that the both sides through the broad ways in the bottom of framework 11 are provided with; And make cleaning shoe 13, the working width between 14 and become well width to equate; To strike off the unnecessary earth of cell wall; Thereby the design width that makes framework 11 reaches weight that increases grab bucket and the purpose that makes its down-shift of working center near becoming well width.
Wherein, each cleaning shoe 13,14 extends downwards and to the outside of framework 11 broad ways, through cleaning shoe is obliquely installed, has so reduced contact area between cleaning shoe 13,14 and the cell wall, and then has reduced the lifting resistance of framework 11.
Fig. 2 is the trenching construction sketch map according to hydraulic grab of the present invention, and Fig. 3 is the trenching construction sketch map of the hydraulic grab of prior art.The groove that hydraulic grab became of the present invention and prior art is compared, can find out, in the prior art, on the cell wall 20 of the both sides of framework 11 earth 21 is arranged, framework has draw-in groove dangerous; In the present invention, do not have earth 21 on the cell wall 20 of the both sides of framework 11, cell wall is smooth, thereby has avoided the generation of hydraulic grab draw-in groove phenomenon, so can increase the design width of framework to greatest extent.
Fig. 4 and Fig. 5 show the structure according to the cleaning shoe and the mount pad of hydraulic grab shown in Figure 1.Like Fig. 4 and shown in Figure 5, cleaning shoe 13 is fixedly connected on the mount pad 16 through plurality of fixed part 15, and each mount pad 16 is welded on the terminal part 11a of framework 11.
One right angle type gap 17a is formed on the top of each gripper shoe, and these some gap 17a are interconnected and form accepting groove in the lump.Seat board 18 is contained in the accepting groove and is weldingly fixed on the gripper shoe 17.Cleaning shoe 13 removably is mounted obliquely within on the seat board 18 through plurality of fixed part 15.Through right angle type gap 17a is set, form and the cleaning shoe 13 contacted power transmission 16a of portion, the 16a of this power transmission portion is positioned at the top side of cleaning shoe 13, can cleaning shoe 13 suffered power when the work be conducted on each gripper shoe 17, prevents that fixture 15 is stressed excessive and rupture.
Fixture 15 can be these parts commonly used of bolt, screw, nut and packing ring.When cleaning shoe 13,14 damages or heavy wear, dismountable replacing.
Keep at a certain distance away between each gripper shoe of above-mentioned mount pad 16, both made things convenient for fixtures such as erection bolt, it is stressed excessive and rupture to prevent fixture 15 to have formed the 16a of power transmission portion again, and it is simple and reasonable for structure reliable.
As shown in Figure 1 again, cleaning shoe 13,14 forms 3 °～5 ° angle a (also being the angle that the relative vertical lines of cleaning shoe is become) with vertical plane after installation, and preferably this angle a is 3 °～5 °.Width equates when both sides cleaning shoe 13, the Breadth Maximum W2 between 14 and grab bucket maximum opening W1, promptly equates with the one-tenth well width.
When the grab chute forming operation, residue in the earth of cell wall, when under grab bucket, grabbing; Shovel by scraping mud spare,, prevent because residual earth is more to reach the purpose of removing; Card bucket phenomenon takes place; The frame degree of framework can be done maximum simultaneously, has so increased the overall weight of hydraulic grab device, has improved the grooving precision.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. subterranean continuous wall hydraulic grab device; Comprise framework (11) and be installed on the grab bucket (12) of said framework (11); It is characterized in that; What be included in also that the both sides of the bottom broad ways of said framework (11) are provided with scrapes mud spare (13,14), and two of both sides are said to scrape mud spare (13,14) and scrape the width (W3) of mud width greater than said framework (11) what broad ways was crossed over.
2. subterranean continuous wall hydraulic grab device according to claim 1 is characterized in that, the said mud spare (13,14) of scraping is a cleaning shoe, and said cleaning shoe (13,14) is to extending below and extending laterally along said framework (11) width.
3. subterranean continuous wall hydraulic grab device according to claim 2 is characterized in that, the angle between said cleaning shoe and the vertical plane is 0 °～5 °.
4. subterranean continuous wall hydraulic grab device according to claim 3 is characterized in that, the angle between said cleaning shoe and the vertical plane is 3 °～5 °.
5. subterranean continuous wall hydraulic grab device according to claim 2 is characterized in that, the both sides of the bottom broad ways of said framework (11) are welded with mount pad (16) respectively, and said cleaning shoe (13) is fixedly connected on the said mount pad (16).
6. subterranean continuous wall hydraulic grab device according to claim 5; It is characterized in that; Said mount pad (16) comprises junction plate (19), plurality of support (17) and seat board (18); Said junction plate (19) is fixed on the terminal part (11a) of framework obliquely, and each said gripper shoe (17) is parallel to each other along the thickness direction of diaphragm wall and is arranged on the said junction plate (19) at interval, forms the separate slot of being convenient to fitting operation between the adjacent said gripper shoe (17); One gap (17a) is formed on the top of each said gripper shoe (17); Each said gap (17a) is interconnected and forms accepting groove, and said seat board (18) is contained in the said accepting groove and is weldingly fixed on each said gripper shoe (17), and said cleaning shoe (13) is removably mounted on the said seat board (18) through plurality of fixed part (15).
7. subterranean continuous wall hydraulic grab device according to claim 5 is characterized in that, said cleaning shoe (13) is removably mounted on the said mount pad (16) through plurality of fixed part (15).
8. subterranean continuous wall hydraulic grab device according to claim 5 is characterized in that, said mount pad (16) is provided with said cleaning shoe (13) contacted power transmission portion (16a) and ruptures to prevent said fixture (15).
9. according to each described subterranean continuous wall hydraulic grab device in the claim 1 to 8, it is characterized in that the one-tenth well width (W1) that Breadth Maximum (W2) between the mud spare equals said grab bucket is scraped in said framework (11) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110332371.6A CN102505721B (en) | 2011-10-27 | 2011-10-27 | Hydraulic grab bucket device of underground diaphragm wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110332371.6A CN102505721B (en) | 2011-10-27 | 2011-10-27 | Hydraulic grab bucket device of underground diaphragm wall |
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| Publication Number | Publication Date |
|---|---|
| CN102505721A true CN102505721A (en) | 2012-06-20 |
| CN102505721B CN102505721B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110332371.6A Active CN102505721B (en) | 2011-10-27 | 2011-10-27 | Hydraulic grab bucket device of underground diaphragm wall |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029995A (en) * | 2014-02-28 | 2016-10-12 | 卡特彼勒作业机具有限公司 | Wing shroud for a dragline lip |
| CN106029996A (en) * | 2014-02-28 | 2016-10-12 | 卡特彼勒作业机具有限公司 | Lip shroud for a dragline lip |
| CN106567419A (en) * | 2016-10-28 | 2017-04-19 | 北京中车重工机械有限公司 | Hydraulic grab bucket trenching machine and emergency control method thereof |
| CN111764373A (en) * | 2020-05-28 | 2020-10-13 | 浙江土工岩土科技有限公司 | Construction method of underground continuous wall under condition of non-removable underground barrier |
Citations (5)
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|---|---|---|---|---|
| CN2042860U (en) * | 1988-11-02 | 1989-08-16 | 中国水产科学研究院渔业机械仪器研究所 | Shoveling-absorbing type underwater desilting unit |
| JPH08114082A (en) * | 1994-10-18 | 1996-05-07 | Kasuga Sangyo:Kk | Cantilever bucket type vertical shaft excavation device |
| CN1211659A (en) * | 1997-09-18 | 1999-03-24 | 包尔特殊基础工程有限公司 | Underground continuous wall means |
| CN101713201A (en) * | 2009-11-05 | 2010-05-26 | 曹蓝天 | Underground hole-forming device of hydraulic grab bucket |
| CN101713200A (en) * | 2009-11-05 | 2010-05-26 | 张永忠 | Double-shaft groove forming machine |
-
2011
- 2011-10-27 CN CN201110332371.6A patent/CN102505721B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042860U (en) * | 1988-11-02 | 1989-08-16 | 中国水产科学研究院渔业机械仪器研究所 | Shoveling-absorbing type underwater desilting unit |
| JPH08114082A (en) * | 1994-10-18 | 1996-05-07 | Kasuga Sangyo:Kk | Cantilever bucket type vertical shaft excavation device |
| CN1211659A (en) * | 1997-09-18 | 1999-03-24 | 包尔特殊基础工程有限公司 | Underground continuous wall means |
| CN101713201A (en) * | 2009-11-05 | 2010-05-26 | 曹蓝天 | Underground hole-forming device of hydraulic grab bucket |
| CN101713200A (en) * | 2009-11-05 | 2010-05-26 | 张永忠 | Double-shaft groove forming machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106029995A (en) * | 2014-02-28 | 2016-10-12 | 卡特彼勒作业机具有限公司 | Wing shroud for a dragline lip |
| CN106029996A (en) * | 2014-02-28 | 2016-10-12 | 卡特彼勒作业机具有限公司 | Lip shroud for a dragline lip |
| CN106029996B (en) * | 2014-02-28 | 2020-03-06 | 卡特彼勒作业机具有限公司 | Lip cover for a dragline lip |
| CN106029995B (en) * | 2014-02-28 | 2020-08-07 | 卡特彼勒作业机具有限公司 | Wing shroud for dragline lip |
| CN106567419A (en) * | 2016-10-28 | 2017-04-19 | 北京中车重工机械有限公司 | Hydraulic grab bucket trenching machine and emergency control method thereof |
| CN111764373A (en) * | 2020-05-28 | 2020-10-13 | 浙江土工岩土科技有限公司 | Construction method of underground continuous wall under condition of non-removable underground barrier |
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| Publication number | Publication date |
|---|---|
| CN102505721B (en) | 2014-04-09 |
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