CN102505721B - Hydraulic grab bucket device of underground diaphragm wall - Google Patents
Hydraulic grab bucket device of underground diaphragm wall Download PDFInfo
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- CN102505721B CN102505721B CN201110332371.6A CN201110332371A CN102505721B CN 102505721 B CN102505721 B CN 102505721B CN 201110332371 A CN201110332371 A CN 201110332371A CN 102505721 B CN102505721 B CN 102505721B
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- grab bucket
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- cleaning shoe
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- diaphragm 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 hydraulic grab bucket device of underground diaphragm wall.
Background technology
Diaphragm wall is a kind of trench machine that utilizes, and by means of the retaining wall effect of mud, underground, digs out narrow and dark groove, and pour into a mould suitable material within it and form there is together antiseepage (water), the continuous underground wall body of gear soil and weight-bearing function.
Compare with the hydraulic grab that is applicable to heavy wall type diaphragm wall, owing to being applicable to, the hydraulic grab of thin wall type diaphragm wall is thinner, and bucket tooth negligible amounts, is even single bucket tooth, and grab bucket is when trenching construction operation, and earth residual on cell wall is more.
In addition, because the hydraulic grab of thin wall type diaphragm wall is thinner, left and right deviation correction mechanism cannot be set, for obtaining good crawl effect, 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 decentralization, now, the well width that becomes of frame width and grab bucket can be more approaching, the resistance of a large amount of residual earth when adding big frame and promote on cell wall, for avoid promoting resistance excessive cause overturning dangerous, the overload protection arranging on vehicle does not allow to continue to promote hydraulic grab, cause the framework of hydraulic grab to be stuck in groove, form draw-in groove phenomenon, now need other lifting appliance that hydraulic grab is mentioned, this is that designer and constructor are unwilling to occur, current this means are not adopted by reality.
Generally take frame width to design to such an extent that compare into the little a lot mode of well width, to allow residual earth when the framework elevating movement.Yet this measure can not well be guaranteed the weight of grab bucket, for gaining in weight, in 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 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 thin wall type diaphragm wall, to avoid causing draw-in groove phenomenon in the design width of framework that increases hydraulic grab.
For this reason, the invention provides a kind of hydraulic grab bucket device of underground diaphragm wall, comprise framework, be installed on framework grab bucket, in the both sides of the bottom of framework broad ways, arrange scrape mud part, two of both sides scrape the width that mud width is greater than framework of scraping that mud part crosses in broad ways.
Further, the above-mentioned mud part of scraping is cleaning shoe, and cleaning shoe extends laterally to downward-extension and along frame width direction.
Further, the angle between above-mentioned cleaning shoe and vertical plane is 0 °～5 °.
Further, the angle between above-mentioned cleaning shoe and vertical plane is 3 °～5 °.
Further, the both sides of the bottom broad ways of said frame are welded with respectively mount pad, and cleaning shoe is fixedly connected on mount pad.
Further, above-mentioned mount pad comprises junction plate, some gripper shoes and seat board, junction plate is fixed on the terminal part of framework obliquely, each gripper shoe is parallel to each other and is disposed on junction plate along the thickness direction of thin wall type diaphragm wall, between adjacent gripper shoe, form the separate slot of being convenient to fitting operation, one gap is formed on the top of each gripper shoe, each gap is interconnected and forms accepting groove, seat board is contained in accepting groove and is weldingly fixed in each gripper shoe, and cleaning shoe is removably mounted on seat board by some fixtures.
Further, above-mentioned cleaning shoe is removably mounted on mount pad by some fixtures.
Further, above-mentioned mount pad is provided with the power transmission portion that contacts with cleaning shoe to prevent fixture fracture.
Further, the Breadth Maximum that scrape between mud part said frame both sides equals the one-tenth well width of grabbing bucket.
In invention, by the two bottom sides at framework, increase cleaning shoe, reached and removed cell wall earth and prevent the generation of draw-in groove phenomenon of grabbing bucket, to can increase to greatest extent the design width of framework.The present invention is applicable to excavate the hydraulic grab device of thin wall type diaphragm wall, can solve the problem that thin wall type grab mechanisms exists.
Except object described above, feature and advantage, other object, feature and advantage that the present invention has, be described in further detail in connection with accompanying drawing.
Accompanying drawing explanation
Form this manual a part, for further understanding accompanying drawing of the present invention, show the preferred embodiments of the present invention, and be used for illustrating principle of the present invention together with manual.In figure:
Fig. 1 shows according to the structural representation of thin wall type subterranean continuous wall hydraulic grab of the present invention;
Fig. 2 shows the trenching construction schematic diagram of the hydraulic grab of prior art;
Fig. 3 is according to the trenching construction schematic diagram of hydraulic grab of the present invention;
Fig. 4 shows the assembling schematic diagram according to the cleaning shoe of the hydraulic grab shown in Fig. 1 and mount pad; And
Fig. 5 shows according to the STRUCTURE DECOMPOSITION schematic diagram of the cleaning shoe of the hydraulic grab shown in Fig. 1 and installation group.
Description of reference numerals
10 hydraulic grab device 11 frameworks
12 grab buckets of 11a terminal part
13,14 cleaning shoe 15 fixtures
16 mount pad 16a power transmission portions
17 gripper shoe 17a right angle type gap
18 seat board 19 junction plates
20 cell wall 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 according to the structural representation of thin wall type hydraulic grab bucket device of underground diaphragm wall of the present invention.As shown in Figure 1, hydraulic grab device 10 comprises framework 11, is installed on the grab bucket 12 of framework and the cleaning shoe 13,14 arranging in the both sides of the bottom of framework 11 broad ways, scrapes mud part 13,14 in the width W 3 that mud width is greater than framework 11 of scraping of broad ways leap for two of both sides.
In this application, width refers to that, along the size of the line direction of the pivot axis of left and right grab bucket, thickness refers to along the size of the pivot axis bearing of trend of left and right grab bucket, has unless explicitly stated otherwise other implications.
Design width W 3 is the width that adopt when framework 11 manufactures and designs, and increases the decentralization that this design width can make hydraulic grab device.The method of design width that increases framework 11 is as follows: the cleaning shoe 13,14 that the both sides by the bottom broad ways at framework 11 arrange, and the working width between cleaning shoe 13,14 is equated with becoming well width, to strike off the unnecessary earth of cell wall, thereby make the design width of framework 11 approach into well width, reach the weight that increases grab bucket the object that makes its decentralization.
Wherein, each cleaning shoe 13,14 extends downwards and to the outside of framework 11 broad ways, by cleaning shoe is obliquely installed, has so reduced contact area between cleaning shoe 13,14 and cell wall, and then has reduced the lifting resistance of framework 11.
Fig. 2 is the trenching construction schematic diagram according to hydraulic grab of the present invention, and Fig. 3 is the trenching construction schematic diagram of the hydraulic grab of prior art.The groove that the hydraulic grab of the present invention and prior art is become contrasts, and can find out, in the prior art, on the cell wall 20 of the both sides of framework 11, has earth 21, and framework has draw-in groove dangerous; In the present invention, on the cell wall 20 of the both sides of framework 11, there is no earth 21, cell wall is smooth, thereby has avoided the generation of hydraulic grab draw-in groove phenomenon, so can increase to greatest extent the design width of framework.
Fig. 4 and Fig. 5 show according to the structure of the cleaning shoe of the hydraulic grab shown in Fig. 1 and mount pad.As shown in Figure 4 and Figure 5, cleaning shoe 13 is fixedly connected on mount pad 16 by some fixtures 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 in the lump accepting groove.Seat board 18 is contained in accepting groove and is weldingly fixed in gripper shoe 17.Cleaning shoe 13 is removably mounted obliquely within on seat board 18 by some fixtures 15.By right angle type gap 17a is set, form the 16a of power transmission portion contact with cleaning shoe 13, the 16a of this power transmission portion is positioned at the top side of cleaning shoe 13, cleaning shoe 13 suffered power when working can be conducted in each gripper shoe 17, prevents that fixture 15 is stressed excessive and rupture.
Fixture 15 can be these conventional parts of bolt, screw, nut and packing ring.When cleaning shoe 13,14 damages or heavy wear, dismountable replacing.
Between each gripper shoe of above-mentioned mount pad 16, keep at a certain distance away, both facilitated the fixtures such as erection bolt, formed again the 16a of power transmission portion stressed excessive and rupture to prevent fixture 15, it is simple and reasonable for structure reliable.
Again as shown in Figure 1, cleaning shoe 13,14, after installation, forms the angle a (being also the angle that cleaning shoe becomes with respect to vertical lines) of 3 °～5 ° with vertical plane, and preferably this angle a is 3 °～5 °.Breadth Maximum W2 between both sides cleaning shoe 13,14 during with grab bucket maximum opening W1 width equate, equate with one-tenth well width.
When grab chute forming operation, residue in the earth of cell wall, while grabbing under grab bucket, by scraping mud part, shovel, to reach the object of removing, prevent because residual earth is more, there is card bucket phenomenon, the frame degree of framework can be done maximum simultaneously, has so increased the overall weight of hydraulic grab device, has improved grooving precision.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a hydraulic grab bucket device of underground diaphragm wall, comprise framework (11) and be installed on the grab bucket (12) of described framework (11), it is characterized in that, what be also included in that the both sides of the bottom broad ways of described framework (11) arrange scrapes mud part (13, 14), described in two of both sides, scrape mud part (13, 14) that in broad ways, crosses over scrapes the width (W3) that mud width is greater than described framework (11), the described mud part (13 of scraping, 14) be cleaning shoe, described cleaning shoe (13, 14) to downward-extension and along described framework (11) width, extend laterally, the both sides of the bottom broad ways of described framework (11) are welded with respectively mount pad (16), described cleaning shoe (13) is removably mounted on described mount pad (16) by some fixtures (15), described mount pad (16) is provided with the power transmission portion (16a) contacting with described cleaning shoe (13) and ruptures to prevent described fixture (15), described mount pad (16) comprises junction plate (19), some gripper shoes (17) and seat board (18), described junction plate (19) is fixed on the terminal part (11a) of framework obliquely, gripper shoe described in each (17) is parallel to each other and is disposed on described junction plate (19) along the thickness direction of diaphragm wall, between adjacent described gripper shoe (17), form the separate slot of being convenient to fitting operation, one gap (17a) is formed on the top of gripper shoe described in each (17), gap described in each (17a) is interconnected and forms accepting groove, described seat board (18) is contained in described accepting groove and is weldingly fixed on described in each in gripper shoe (17), described cleaning shoe (13) is removably mounted on described seat board (18) by described some fixtures (15).
2. hydraulic grab bucket device of underground diaphragm wall according to claim 1, is characterized in that, the angle between described cleaning shoe and vertical plane is 0 °～5 °.
3. hydraulic grab bucket device of underground diaphragm wall according to claim 2, is characterized in that, the angle between described cleaning shoe and vertical plane is 3 °～5 °.
4. according to the hydraulic grab bucket device of underground diaphragm wall described in any one in claims 1 to 3, it is characterized in that, the one-tenth well width (W1) that Breadth Maximum (W2) between mud part equals described grab bucket is scraped in described 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 |
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| CN102505721A CN102505721A (en) | 2012-06-20 |
| CN102505721B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2913446A1 (en) * | 2014-02-28 | 2015-09-02 | Caterpillar Work Tools B. V. | Lip shroud for a dragline lip |
| EP2913445A1 (en) * | 2014-02-28 | 2015-09-02 | Caterpillar Work Tools B. V. | Wing 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 (4)
| 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 |
| CN1211659A (en) * | 1997-09-18 | 1999-03-24 | 包尔特殊基础工程有限公司 | Underground continuous wall means |
| CN101713200A (en) * | 2009-11-05 | 2010-05-26 | 张永忠 | Double-shaft groove forming machine |
| CN101713201A (en) * | 2009-11-05 | 2010-05-26 | 曹蓝天 | Underground hole-forming device of hydraulic grab bucket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08114082A (en) * | 1994-10-18 | 1996-05-07 | Kasuga Sangyo:Kk | Cantilever bucket type vertical shaft excavation device |
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2011
- 2011-10-27 CN CN201110332371.6A patent/CN102505721B/en active Active
Patent Citations (4)
| 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 |
| CN1211659A (en) * | 1997-09-18 | 1999-03-24 | 包尔特殊基础工程有限公司 | Underground continuous wall means |
| CN101713200A (en) * | 2009-11-05 | 2010-05-26 | 张永忠 | Double-shaft groove forming machine |
| CN101713201A (en) * | 2009-11-05 | 2010-05-26 | 曹蓝天 | Underground hole-forming device of hydraulic grab bucket |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-114082A 1996.05.07 |
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| CN102505721A (en) | 2012-06-20 |
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