CN101858092B - Diaphram wall grab bucket and grab bucket device thereof - Google Patents
Diaphram wall grab bucket and grab bucket device thereof Download PDFInfo
- Publication number
- CN101858092B CN101858092B CN 201010203832 CN201010203832A CN101858092B CN 101858092 B CN101858092 B CN 101858092B CN 201010203832 CN201010203832 CN 201010203832 CN 201010203832 A CN201010203832 A CN 201010203832A CN 101858092 B CN101858092 B CN 101858092B
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- Prior art keywords
- grab bucket
- connecting rod
- bucket
- connector
- bar
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- Expired - Fee Related
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/47—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets
- E02F3/475—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor with grab buckets for making foundation slots
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/58—Component parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a grab bucket device for a diaphram wall grab bucket, comprising a guide frame body (246), a bucket body (244) and a connecting rod (245), wherein the lower end of the connecting rod (245) is rigidly connected with the bucket body (244); the middle of the connecting rod (245) is hinged with the guide frame body (246) at a hinged point (242) which is positioned above a gravity position (243) of the bucket body (244); and the upper end of the connecting rod (245) is connected with a positioning component, so that the positioning component is fixed at the position of the connecting rod (245) relative to the guide frame body (246). The grab bucket device has higher corrective precision and can ensure that the bucket body of the diaphram wall grab bucket is always positioned at the vertical position. The invention also discloses the grab bucket device comprising the grab bucket device.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of grab bucket device that is used for the diaphragm wall grab bucket.In addition, the invention still further relates to a kind of diaphragm wall grab bucket that comprises above-mentioned grab bucket device.
Background technology
The diaphragm wall grab bucket is a kind of engineering mechanical device through wire rope suspensioning grab bucket device enforcement grooving work, along with increasing of engineering construction project, and the applied more and more of diaphragm wall grab bucket.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical diaphragm wall grab bucket in the prior art.
The diaphragm wall grab bucket mainly comprises mast 12 and grab bucket device 14, and the bottom of mast 12 is fixed with master winch 16, is wound with the wire rope 13 that links to each other with the device 14 of grabbing bucket on the master winch 16, realizes moving of grab bucket device 14 through master winch 16.
Yet, in the course of the work, receiving the effect of external force, the tunneling direction of grab bucket device may depart from vertical, and just need rectify a deviation to the grab bucket device this moment, mainly contains the grab bucket device that two kinds of forms can realize automatic deviation correction in the prior art.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of typical gantry guide type grab bucket device in the prior art.
Gantry guide type grab bucket device comprises that hydraulic cylinder 141, crank throw 142, slide block 143 connect the connecting rod 145 and the guiding support body 146 of bucket body 144; First end of hydraulic cylinder 141 is hinged with guiding support body 146 through first pin joint 151; The flex point of crank throw 142 is hinged with guiding support body 146 through second pin joint 152; Second end of hydraulic cylinder 141 is connected with first end of crank throw 142; Second end of crank throw 142 connects slide block 143, and slide block is positioned in the slideway 147 that is connected with connecting rod, and the middle part of connecting rod 145 is hinged with guiding support body 146 through the 3rd pin joint 153.
When the tunneling direction of bucket body 144 of grab bucket device departs from vertical; Hydraulic cylinder 141 is flexible; Driving crank throw 142 perhaps is rotated counterclockwise around second pin joint 152 clockwise; And then driving slide block 143 move left and right, slide block 143 promotes slideway 147 and perhaps turns clockwise counterclockwise around the 3rd pin joint 153 with connecting rod 145, makes bucket body 144 return to the plumb position.
Please refer to Fig. 3, Fig. 3 is the structural representation of a kind of typical truss-like grab bucket device in the prior art.
Truss-like grab bucket device comprises bucket body 144, guiding support body 146, head rod 161, second connecting rod 164, push pedal 162 and hydraulic cylinder 163; Bucket body 144 is rigidly connected with guiding support body 146, and first end of head rod 161 is hinged with guiding support body 146, first end of its second end and hydraulic cylinder 163; And push pedal 162 is hinged; First end of second end of hydraulic cylinder 163 and second connecting rod 164, and guiding support body 146 is hinged, second end and the push pedal 162 of second connecting rod 164 are hinged; Wherein, the number of head rod 161, second connecting rod 164, push pedal 162 and hydraulic cylinder 163 4 is eight, is symmetricly set in the both sides, front and back of guiding support body.
When the tunneling direction of grab bucket device departs from vertical; When tilting to the left, push pedal 162 is released in hydraulic cylinder 163 elongations of left downside and upper right side; Push pedal 162 contacts with the cell wall of diaphragm wall grab bucket institute grooving; The grab bucket device is rotated counterclockwise around the centre position of guiding support body 146, and then guiding support body 146 drive bucket bodies 144 are rotated together, make bucket body 144 return to the plumb position.
Yet the grab bucket device of the continuous wall grab of above-mentioned dual mode is when rectifying a deviation; All be by means of hydraulic cylinder, and then make the deflection of grab bucket device, because hydraulic cylinder only stretches out at piston rod fully; When perhaps withdrawing fully, could be more stable reliable, therefore; When correction, can only make fixing angle of grab bucket device deflection, the correction amount can not be adjusted as required; Like this, just be easy to occur the situation of the excessive or correction quantity not sufficient of correction amount, can not reach needed rectifying effect.
Therefore, how to make the satisfied needs of adjusting at any angle of grab bucket device correction amount of diaphragm wall grab bucket, improve the correction precision, just become the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of grab bucket device that is used for the diaphragm wall grab bucket, this grab bucket device has higher correction precision, can make the bucket body of diaphragm wall grab bucket be in the plumb position all the time.Another object of the present invention provides a kind of diaphragm wall grab bucket that comprises above-mentioned grab bucket device.
For solving the problems of the technologies described above, the present invention provides a kind of grab bucket device that is used for the diaphragm wall grab bucket, comprises guiding support body and bucket body; Also comprise connecting rod; The lower end of the said connecting rod said bucket body that is rigidly connected, the middle part of said connecting rod and said guiding support body are articulated in pin joint, and said pin joint is positioned at the top of the position of centre of gravity of said bucket body; The upper end of said connecting rod is connected with positioning element, so that through the position of the fixing said connecting rod of said positioning element with respect to said guiding support body;
Said positioning element comprises locking position spare and connector, and first end and the said connecting rod of said connector are slidingly connected, and its second end is fixedly connected with said locking position spare; First end of connector and connecting rod first end that is meant connector that is slidingly connected not only can slide along connecting rod, and can be at the tangential motion of the drive lower edge of connecting rod swing effect swing circular arc;
Said locking position parts are two rod oil cylinders, and said pair of rod oil cylinder comprises cylinder body, hydraulic lock and two piston rods; Two said piston rods are individually fixed in said guiding support body, and the cylinder body of said pair of rod oil cylinder is fixedly connected with connector second end;
Said connector comprises first bar, second bar and slide block; Said slide block set is loaded on said connecting rod; The lateral wall of said slide block is fixedly connected with first end of said second bar; Second end of said second bar and first end of said first bar are hinged, and second end of said first bar is fixedly connected with said locking position spare.
Preferably, also comprise detection part, said detection part detects the verticality of said bucket body.
Preferably, said detection part is an obliquity sensor.
Preferably, also comprise balancing weight.
The present invention also provides a kind of diaphragm wall grab bucket, comprises wire rope and the grab bucket device that lifts through wire rope, and said grab bucket device is as above-mentioned each described grab bucket device.
The grab bucket device that is used for the diaphragm wall grab bucket provided by the present invention; Comprise guiding support body and bucket body, also comprise connecting rod, the lower end of the connecting rod bucket body that is rigidly connected; The center is articulated in pin joint with the guiding support body; And pin joint is positioned at the top of the position of centre of gravity of bucket body, and the upper end of connecting rod is connected with positioning element, so that through the position of positioning element stationary links with respect to said guiding support body.Like this, when the tunneling direction of the grab bucket device of underground continuous wall grab departs from vertical, at first remove the positioning action of positioning element; Because the position of centre of gravity of bucket body is below pin joint, under the situation that positioning action power is eliminated, bucket body can rotate around pin joint under the effect of self gravitation; Until returning to the plumb position; And then utilize positioning element that connecting rod is located, because the lower end and the bucket body of connecting rod be rigidly connected, thereby; Positioning element also is fixed in the plumb position with bucket body, guarantees the verticality of institute's grooving.Can find out that the grab bucket device of diaphragm wall grab bucket provided by the present invention utilizes the action of gravity of bucket body itself to rectify a deviation, positioner is kept the effect that bucket body is in the plumb position after only playing correction, thereby has improved the accuracy of correction greatly.
In a kind of preferred implementation, the positioning element of grab bucket device provided by the present invention comprises locking position spare and connector, and first end and the connecting rod of connector are slidingly connected, and its second end is fixedly connected with locking position spare.Thereby when carrying out the correction of bucket body, locking position spare is in unlock state bucket body drivening rod under the effect of himself gravity and rotates around pin joint; Because first end and the connecting rod of connector are slidingly connected; Therefore, when connector can slide along connecting rod, also can the direction perpendicular to connecting rod move in the promotion of connecting rod or pulling function lower edge; And then drive is moved with its locking position spare that is fixedly connected; When bucket body returns to the plumb position, locking position spare is in the lock state, just can bucket body be fixed in the vertical state.Can find out, easily rotatablely moving of connecting rod is converted into the rectilinear motion of locking position spare through connector, and and then the locking of the fixedly realization bucket body position through locking position spare, improved the reliability of locking greatly.
In another kind of preferred implementation, the locking position parts of grab bucket device provided by the present invention are two rod oil cylinders, and two rod oil cylinders comprise cylinder body, hydraulic lock and two piston rods; Two piston rods are individually fixed in the guiding support body, and the cylinder body of two rod oil cylinders is fixedly connected with connector second end.The setting of two rod oil cylinders; Not only realized the locking of bucket body position easily; And two rod oil cylinders can also realize the locking of bucket body arbitrary position in two rod oil cylinder travel range, have improved the adjustable range of bucket body correction amount greatly, have further guaranteed the correction precision.
The beneficial effect of diaphragm wall grab bucket provided by the present invention is similar with the beneficial effect of grab bucket device, repeats no more at this.
Description of drawings
Fig. 1 is the structural representation of a kind of typical diaphragm wall grab bucket in the prior art;
Fig. 2 is the structural representation of a kind of typical gantry guide type grab bucket device in the prior art;
Fig. 3 is the structural representation of a kind of typical truss-like grab bucket device in the prior art;
Fig. 4 is the structural representation of a kind of specific embodiment of grab bucket device provided by the present invention.
The specific embodiment
Core of the present invention provides a kind of grab bucket device that is used for the diaphragm wall grab bucket, and this grab bucket device has higher correction precision, can make the bucket body of diaphragm wall grab bucket be in the plumb position all the time.Another core of the present invention provides a kind of diaphragm wall grab bucket that comprises above-mentioned grab bucket device.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 4, Fig. 4 is the structural representation of a kind of specific embodiment of grab bucket device provided by the present invention.
In a kind of specific embodiment; Please refer to Fig. 4, the grab bucket device that is used for the diaphragm wall grab bucket provided by the present invention comprises guiding support body 246 and bucket body 244; Also comprise connecting rod 245; The lower end of connecting rod 245 bucket body 244 that is rigidly connected, the middle part of connecting rod 245 is articulated in pin joint 242 with guiding support body 246, and pin joint 242 is positioned at the top of the position of centre of gravity 243 of bucket body 244; The upper end of connecting rod 245 is connected with positioning element, thereby can be through the position of positioning element stationary links 245 with respect to guiding support body 246.
Particularly, bucket body 244 as herein described is meant that all directly or indirectly are rigidly connected with connecting rod 245, and the combination of each parts that can rotate around pin joint 242, is not only to be bucket body itself.
Like this, when the tunneling direction of the grab bucket device of underground continuous wall grab departs from vertical, can at first remove the positioning action of positioning element; At this moment, because the position of centre of gravity of bucket body 244 is below pin joint 242, under the situation that positioning action power is eliminated; Bucket body 244 will rotate around pin joint 242 under the effect of self gravitation, and drivening rod 245 rotates around pin joint 242 simultaneously, until returning to the plumb position; And then utilize positioning element with connecting rod 245 location, because the lower end and the bucket body 244 of connecting rod 245 be rigidly connected, thereby; Positioning element also is fixed in the plumb position with bucket body 244, guarantees the verticality of institute's grooving.
Can find out that the grab bucket device of diaphragm wall grab bucket provided by the present invention utilizes the action of gravity of bucket body itself to rectify a deviation, positioner is kept the effect that bucket body is in the plumb position after only playing correction, thereby has improved the accuracy of correction greatly.
Particularly, positioning element can comprise locking position spare 241 and connector 247, and first end and the connecting rod 245 of connector 247 are slidingly connected, and its second end is fixedly connected with locking position spare 241.
First end of connector 247 as herein described and connecting rod 245 first end that is meant connector 247 that is slidingly connected not only can slide along connecting rod 245, and can be at the tangential motion of the drive lower edge of connecting rod 245 swing effects swing circular arc.
Like this, when carrying out the correction of bucket body 244, at first make locking position spare 241 be in unlock state; Thereby bucket body 244 under the effect of himself gravity drivening rod 245 around pin joint 242 rotations, because first end and the connecting rod 245 of connector 247 be slidingly connected, therefore; When connector 245 can slide along connecting rod 245; Also can the direction perpendicular to connecting rod 245 move, and then drive and move, when bucket body 244 returns to the plumb position with its locking position spare that is fixedly connected 241 in the promotion of connecting rod 245 or pulling function lower edge; Again locking position spare 242 is arranged at lock-out state, thereby just can bucket body 244 be fixed in the vertical state.
Can find out, can easily rotatablely moving of connecting rod 245 be converted into the rectilinear motion of locking position spare 241 through connector 247, and and then the locking of fixedly realization bucket body 244 positions through locking position spare 241, improved the reliability of locking greatly.
In a kind of specific embodiment, above-mentioned locking position parts 241 can be two rod oil cylinders, and two rod oil cylinders comprise cylinder body 2411, hydraulic lock (not shown) and two piston rods 2412; Two piston rods 2412 are individually fixed in guiding support body 246, and the cylinder body 2411 of two rod oil cylinders is fixedly connected with second end of connector 247.
The setting of two rod oil cylinders; Not only realized the locking of bucket body 244 positions easily; And two rod oil cylinders can also realize the locking of bucket body 244 arbitrary position in two rod oil cylinder travel range, have improved the adjustable range of bucket body 244 correction amounts greatly, have further guaranteed the correction precision.
Particularly; Connector 247 can comprise first bar 2471, second bar 2472 and slide block 2473; Slide block 2473 is set in connecting rod 245; The lateral wall of slide block 2473 is fixedly connected with first end of second bar 2472, and first end of second end of second bar 2472 and first bar 2471 is hinged, and second end of first bar 2471 is fixedly connected with locking position spare 241.
Because slide block 2473 as herein described is set in connecting rod 245, slide block 2473 must offer through hole, so the lateral wall of slide block 2473 specifically is meant the periphery wall with the corresponding slide block of sidewall of through hole.
During correction, 241 releases of locking position spare, bucket body 244 rotates around pin joint 242 under the effect of gravity together with connecting rod 245 rigidly connected with it; Meanwhile, the slide block 2473 that is set in connecting rod 245 slides along connecting rod 245, and moves in the direction of arrow A with the swing of connecting rod 245; And then when driving second bar 2472 and move along the arrow A direction; Around the pin joint rotation of first bar 2471 and second bar 2472, the displacement that also will laterally move is passed to first bar 2471 and locking position spare 241, and cylinder body 2411 is moved in the direction of arrow B; Until bucket body 244 arrival plumb positions, locking position spare 241 is in the lock state.
Certainly, connector 247 also can have other structures, such as: above-mentioned connector is a connecting rod, and the one of which end is fixedly connected with locking position spare 241, and the other end is installed in the chute of offering with connecting rod 245, also can realize functional requirement.
In order constantly to understand the inclined degree of bucket body 244 exactly, and and then judge whether and to rectify a deviation that the grab bucket device that is used for the diaphragm wall grab bucket provided by the present invention can also comprise detection part, to detect the verticality of bucket body 244 in real time.
Particularly, above-mentioned detection part can be obliquity sensor, and obliquity sensor can very directly detect the angle of bucket body 244 and vertical.
Because in the installation and processing process; The situation that bucket body 244 is positioned at pin joint 242 tops might appear; In the case, grab bucket device provided by the present invention can also comprise balancing weight, as required balancing weight is increased to bucket body 244; Change the position of centre of gravity of bucket body 244, satisfy the purpose that realizes correction through the effect of bucket body 244 suffered gravity.
On the other hand, can also increase the breeding piece to bucket body 244 as required, the vertical distance between the position of centre of gravity 243 of change pin joint 242 and bucket body 244, and then the correction speed of change grab bucket device.
Except above-mentioned grab bucket device, the present invention also provides a kind of diaphragm wall grab bucket that comprises above-mentioned grab bucket device, and the structure of these other each several parts of diaphragm wall grab bucket please refer to prior art, and this paper repeats no more.
More than detailed introduction has been carried out in diaphragm wall provided by the present invention grab bucket and grab bucket device thereof.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (5)
1. one kind is used for the grab bucket device that diaphragm wall is grabbed bucket; Comprise guiding support body (246) and bucket body (244); It is characterized in that, also comprise connecting rod (245), the lower end of said connecting rod (245) the said bucket body (244) that is rigidly connected; The middle part of said connecting rod (245) and said guiding support body (246) are articulated in pin joint (242); And said pin joint (242) is positioned at the top of the position of centre of gravity (243) of said bucket body (244), and the upper end of said connecting rod (245) is connected with positioning element, so that through the position of the fixing said connecting rod (245) of said positioning element with respect to said guiding support body (246);
Said positioning element comprises locking position spare (241) and connector (247), and first end of said connector (247) and said connecting rod (245) are slidingly connected, and its second end is fixedly connected with said locking position spare (241); First end of connector (247) and connecting rod (245) first end that is meant connector (247) that is slidingly connected not only can slide along connecting rod (245), and can be at the tangential motion of the drive lower edge of connecting rod (245) swing effect swing circular arc;
Said locking position spare (241) is two rod oil cylinders, and said pair of rod oil cylinder comprises cylinder body (2411), hydraulic lock and two piston rods (2412); Two said piston rods (2412) are individually fixed in said guiding support body (246), and the cylinder body of said pair of rod oil cylinder (2411) is fixedly connected with connector (247) second ends;
Said connector (247) comprises first bar (2471), second bar (2472) and slide block (2473); Said slide block (2473) is set in said connecting rod (245); The lateral wall of said slide block (2473) is fixedly connected with first end of said second bar (2472); First end of second end of said second bar (2472) and said first bar (2471) is hinged, and second end of said first bar (2471) is fixedly connected with said locking position spare (241).
2. the grab bucket device that is used for the diaphragm wall grab bucket according to claim 1 is characterized in that also comprise detection part, said detection part detects the verticality of said bucket body (244).
3. the grab bucket device that is used for the diaphragm wall grab bucket according to claim 2 is characterized in that said detection part is an obliquity sensor.
4. the grab bucket device that is used for the diaphragm wall grab bucket according to claim 1 is characterized in that, also comprises balancing weight.
5. a diaphragm wall grab bucket comprises wire rope and the grab bucket device that lifts through wire rope, it is characterized in that said grab bucket device is each described grab bucket device of claim 1 to 4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010203832 CN101858092B (en) | 2010-06-18 | 2010-06-18 | Diaphram wall grab bucket and grab bucket device thereof |
| PCT/CN2011/075372 WO2011157187A1 (en) | 2010-06-18 | 2011-06-07 | Grab bucket for diaphragm wall and grab bucket device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010203832 CN101858092B (en) | 2010-06-18 | 2010-06-18 | Diaphram wall grab bucket and grab bucket device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101858092A CN101858092A (en) | 2010-10-13 |
| CN101858092B true CN101858092B (en) | 2012-05-23 |
Family
ID=42944231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010203832 Expired - Fee Related CN101858092B (en) | 2010-06-18 | 2010-06-18 | Diaphram wall grab bucket and grab bucket device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101858092B (en) |
| WO (1) | WO2011157187A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858092B (en) * | 2010-06-18 | 2012-05-23 | 北京市三一重机有限公司 | Diaphram wall grab bucket and grab bucket device thereof |
| CN102425372B (en) * | 2011-12-14 | 2014-05-14 | 唐忠盛 | Vibrato-drilling type punching drilling rig |
| CN102587829B (en) * | 2012-03-14 | 2013-12-18 | 北京市三一重机有限公司 | Drilling tool and piling machine |
| CN106836349A (en) * | 2017-03-31 | 2017-06-13 | 中国水电基础局有限公司 | Stream plastic state Muddy Bottoms burning into sand stratum grooving method for correcting error |
| CN107859084A (en) * | 2017-11-09 | 2018-03-30 | 苏州润桐专利运营有限公司 | Diaphram wall grab type chute forming machine |
| CN110453744A (en) * | 2019-08-20 | 2019-11-15 | 北京三一智造科技有限公司 | Deviation correction control system and grooving equipment |
| CN110485495A (en) * | 2019-09-04 | 2019-11-22 | 北京三一智造科技有限公司 | A kind of clamshell correct device and chute forming machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594237Y (en) * | 2003-01-17 | 2003-12-24 | 扬州威斯特机电有限公司 | Large bucket grab |
| JP2005336840A (en) * | 2004-05-26 | 2005-12-08 | Fukumaru Kensetsu Kk | Dredging clamshell bucket |
| CN2804373Y (en) * | 2005-06-28 | 2006-08-09 | 中信重型机械公司 | Deep well clamshell with single rope and multiple grabs |
| CN201158833Y (en) * | 2007-12-29 | 2008-12-03 | 康凤明 | Gantry type underground continuous wall hydraulic grab machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3201042C2 (en) * | 1982-01-15 | 1983-11-24 | Stahl- Und Apparatebau Hans Leffer Gmbh, 6602 Dudweiler | Drilling grabs for creating earth boreholes |
| TW424122B (en) * | 1997-09-18 | 2001-03-01 | Bauer Spezialtiefbau | Slurry wall means |
| FR2825393B1 (en) * | 2001-06-01 | 2003-11-07 | Cie Du Sol | DRILL BUCKET WITH IMPROVED VERTICALITY CONTROL SYSTEM |
| CN200988971Y (en) * | 2006-12-25 | 2007-12-12 | 上海金泰工程机械有限公司 | Zero position regulator for hydraulic continuous wall crab bucket oil cylinder link rod |
| CN201381522Y (en) * | 2009-04-09 | 2010-01-13 | 上海工程机械厂有限公司 | Correcting device of continuous wall grab bucket |
| CN101858092B (en) * | 2010-06-18 | 2012-05-23 | 北京市三一重机有限公司 | Diaphram wall grab bucket and grab bucket device thereof |
-
2010
- 2010-06-18 CN CN 201010203832 patent/CN101858092B/en not_active Expired - Fee Related
-
2011
- 2011-06-07 WO PCT/CN2011/075372 patent/WO2011157187A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594237Y (en) * | 2003-01-17 | 2003-12-24 | 扬州威斯特机电有限公司 | Large bucket grab |
| JP2005336840A (en) * | 2004-05-26 | 2005-12-08 | Fukumaru Kensetsu Kk | Dredging clamshell bucket |
| CN2804373Y (en) * | 2005-06-28 | 2006-08-09 | 中信重型机械公司 | Deep well clamshell with single rope and multiple grabs |
| CN201158833Y (en) * | 2007-12-29 | 2008-12-03 | 康凤明 | Gantry type underground continuous wall hydraulic grab machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011157187A1 (en) | 2011-12-22 |
| CN101858092A (en) | 2010-10-13 |
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