CN103835330A - Continuous-wall grab bucket - Google Patents
Continuous-wall grab bucket Download PDFInfo
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- CN103835330A CN103835330A CN201410118304.8A CN201410118304A CN103835330A CN 103835330 A CN103835330 A CN 103835330A CN 201410118304 A CN201410118304 A CN 201410118304A CN 103835330 A CN103835330 A CN 103835330A
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- grab
- continuous wall
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- bucket
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- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000010276 construction Methods 0.000 claims abstract description 8
- 210000000515 tooth Anatomy 0.000 claims description 43
- 230000033001 locomotion Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000035515 penetration Effects 0.000 description 10
- 238000007599 discharging Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000009545 invasion Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000000332 tooth crown Anatomy 0.000 description 1
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Abstract
The invention relates to a continuous-wall grab bucket. The continuous-wall grab bucket comprises a machine body, a sliding mechanism, a grab bucket supporting base and a grab bucket body, wherein the sliding mechanism is arranged inside the machine body and can slide in the vertical direction relative to the machine body, the grab bucket body is hinged to the grab bucket supporting base and connected with the sliding mechanism through a connecting rod, and a crank-sliding block mechanism is formed by the grab bucket body, the sliding mechanism and the connecting rod; an elastic device is arranged between the machine body and the grab bucket supporting base, a micro elastic vibration system is composed of the machine body, the elastic device and the grab bucket supporting base together, and the grab bucket body swings slightly when the continuous-wall grab bucket is used for construction. The continuous-wall grab bucket can improve construction efficiency of an underground continuous wall project and prolong service life of the underground continuous wall.
Description
Technical field
The present invention relates to underground construction mechanical field, relate in particular to a kind of continuous wall grab.
Background technology
The mechanism structure form of continuous wall hydraulic grab can be summed up as typical crank slider arrangement, when operation, system utilizes hydraulic system promotion slide block to slide up and down, and finally realize the swing of " crank mechanism " (grab bucket body) by the intermal force of connecting rod, grab bucket the opening and the actions such as closure of body, with the crawl operation of completion system.Open different from the action such as closure practical function according to grab bucket body, whole crawl operation process can be divided into three phases: deadweight fall stage, hydraulic pressure close bucket stage and a bucket discharging stage.
In deadweight fall stage, a pair of grab bucket body is flared to maximum angle and under the effect of whole hydraulic grab gravity, invades operation medium inside under the effect of hydraulic system; Close the bucket stage at hydraulic pressure, grab bucket body is realized the crawl of closing bucket process the medium that fulfils assignment under the effect of hydraulic system; And in a bucket discharging stage, more than the grab bucket body of grabbing full operation medium is promoted to ground, and under the effect of hydraulic system, realize the discharge process of a bucket process the medium that fulfils assignment.
Tradition continuous wall hydraulic grab has caused equipment in the time of operation, to invade that the degree of depth of operation medium is more shallow, easy breaks tooth phenomenon and the problem such as discharging efficiency is lower because overall construction design is unreasonable.The analysis of causes now variety of issue being produced is as follows:
1, in deadweight dropping process, continuous wall hydraulic grab is mainly slowly invaded operation medium inside in the mode of quasistatic or less impact, in the time that the reaction force of operation medium equals the gravity of hydraulic grab self, hydraulic grab stops moving downward, and invasion procedure completes immediately.In whole invasion procedure, owing to lacking a kind of mechanism of impelling the suffered reaction force of bucket tooth and surface, noseplate left and right dynamically to reduce, so depth of invasion is more shallow.
2, close the bucket stage at hydraulic pressure, bucket tooth angle of penetration is excessive, and the single soil extracting efficiency of hydraulic grab can improve, but can greatly increase bucket tooth is broken disconnected risk; Bucket tooth angle of penetration is too small, although the single soil extracting efficiency of hydraulic grab can reduce greatly, can greatly improve the application life of bucket tooth, once run into compared with ratchel or hard point, hydraulic grab will be lifted, and has therefore effectively protected bucket tooth.So, find and guarantee that it is the unremitting target of pursuing of engineering circles personage that bucket tooth is not broken disconnected maximum bucket tooth angle of penetration always.But due to the uncertainty of working media, this target fails to reach always.
3, in a bucket discharge process, only rely on percussion between scraping action and grab bucket body and the limited block of scraper plate realize operation medium fast, complete unloading target, efficiency is lower and often have residual.
The problem of above three aspects has seriously restricted efficiency of construction and the application life of continuous wall hydraulic grab.
Summary of the invention
The object of the invention is to propose a kind of continuous wall grab, can improve efficiency of construction and the application life of diaphragm wall engineering.
For achieving the above object, the invention provides a kind of continuous wall grab, comprise: body, slide mechanism, grab bucket bearing and grab bucket body, described slide mechanism is located at the inner space of described body, and can slide by the vertical direction with respect to described body, described grab bucket body is hinged on described grab bucket bearing, and be connected with described slide mechanism by connecting rod, described grab bucket body, slide mechanism and connecting rod form crank slider arrangement, wherein, between described body and grab bucket bearing, be provided with elastic device, described body, elastic device and the common formation one of grab bucket bearing elastic oscillating system a little, make described grab bucket body micro-swinging in the time of described continuous wall grab construction.
Further, described elastic device is at least one flexible member.
Further, described flexible member is rubber pad, steel spring, complex spring or air spring.
Further, described elastic device is at least one initiatively elasticity controlling organization.
Further, described active elasticity controlling organization is hertz oscilltor.
Further, between described body and grab bucket bearing, be also provided with the positioning guide mechanism of the described grab bucket bearing of restriction with respect to described body in the vertical direction generation small motion.
Further, described positioning guide mechanism is projection recessinterengaging means.
Further, between described slide mechanism and body, be also provided with driving mechanism, drive described slide mechanism to slide with respect to described body in the vertical direction.
Further, the inner space of described body is provided with the slideway of vertical direction, described slide mechanism is U-shaped slide block, described driving mechanism is hydraulic drive mechanism, the two ends of the hydraulic cylinder of described hydraulic drive mechanism connect respectively described U-shaped slide block and described body, slide in the slideway of described body by U-shaped slide block described in the telescopic drive of piston rod in the hydraulic cylinder of described hydraulic drive mechanism; Described connecting rod comprises left connecting rod and right connecting rod, and described grab bucket body comprises left grab bucket body and right grab bucket body, is connected respectively by described left connecting rod with right connecting rod with described U-shaped slide block.
Further, described grab bucket body comprises arc, middle base plate, the noseplate of formation bucket body and two side plates that are parallel to each other, on described middle base plate and noseplate, be connected with multiple bucket tooths, position corresponding to the vertical direction of described noseplate on described two side plates is also connected with respectively two side plates, between described two side plates, be provided with round steel, on described two side plates, be also respectively equipped with the limiting plate of the maximum opening angle of the described grab bucket body of restriction, be provided with axle sleeve and ring flat-plate respectively with on the hinge hole of described grab bucket bearing and connecting rod at described grab bucket body.
Based on technique scheme, the present invention is provided with elastic device between the body of continuous wall grab and grab bucket bearing, make body, elastic device and the common formation one of grab bucket bearing elastic oscillating system a little, and then the body micro-swinging in the time that continuous wall grab is constructed that makes to grab bucket, thereby the bucket tooth that makes to grab bucket on body in the time that continuous wall grab deadweight is fallen, noseplate side and operation medium disengage, only have the crown of bucket tooth and the bottom surface of noseplate and operation medium to keep contacting closely, strengthen the ability of grab bucket body continuation intrusion operation medium by forming such force Distribution, this elastic oscillating system a little can, according to the difference of the mechanical characteristic of crawl operation medium, be adjusted the angle of penetration of bucket tooth automatically, effectively protects bucket tooth not broken disconnected, and farthest improves crawl efficiency, in the time of discharging, utilize the micro-swinging effect of grab bucket body that the operation medium being attached on grab bucket body is more easily come off.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of existing continuous wall hydraulic grab.
Fig. 2 is the principle schematic of the equivalent slider-crank mechanism of existing continuous wall hydraulic grab.
Fig. 3 is existing continuous wall hydraulic grab bucket tooth distribution of force figure after deadweight fall stage finishes.
Fig. 4 is the structural representation of an embodiment of continuous wall grab of the present invention.
Fig. 5 is the principle schematic of the equivalent slider-crank mechanism of continuous wall grab embodiment of the present invention.
Fig. 6 is the structural representation of grabbing bucket in continuous wall grab embodiment of the present invention.
Description of reference numerals: a1-body; A2-hydraulic jack; A3-slide block; A4, a10-connecting rod; A5, a8-limited block; A6, a7-grab bucket body; A9-bearing; 1-body; 2-hydraulic drive mechanism; 3-slide mechanism; 4,10-connecting rod; 5,8-limited block; 6,7-grab bucket body; 9-grab bucket bearing; 11-elastic device; 61-arc; 62-middle base plate; 63-noseplate; 64-side plate; 65-bucket tooth; 66-side plate; 67-limiting plate; 68,69-hinge hole.
The specific embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The solution path of the existing problem of existing continuous wall hydraulic grab for convenience of description, first analyzes from the structure of existing continuous wall hydraulic grab.As shown in Figure 1, be the structural representation of existing continuous wall hydraulic grab.The slide block a3 in the vertical direction being driven by hydraulic jack a2 as we can see from the figure moves, and drives grab bucket body a6, a7 to rotate with respect to bearing a9 by connecting rod a4, a10.Slide block a3, connecting rod a4, a10 and grab bucket body a6, a7 have formed equivalent slider-crank mechanism jointly, as shown in Figure 2.The vertical movement of B and B ', rotates respectively A and A ' around O and O ', to realize the action such as opening and closing of grab bucket body.
In the problem of depth of invasion of studying existing grab bucket body, inventor has done a series of test, and wherein Fig. 3 is existing continuous wall hydraulic grab bucket tooth distribution of force figure after deadweight fall stage finishes.In the drawings, spheric granules is operation medium to be captured, and utilizes between operation medium and operation medium and the thickness of a line segment at grab bucket indirect contact, surface place represent the size of the contact force of this point, and the direction of line segment represents the direction of this contact force.By observing this figure, can see that the bucket tooth crown place of existing grab bucket body is stressed less in deadweight fall stage, left surface does not stress completely, and the stressed maximum of right flank, rotating bucket entirety is subject to resistance very large.By such observation and analysis, if inventor finds to improve the bucket tooth stress of current rotating bucket body, the greatly depth of invasion of the improvement of degree grab bucket body.
For improving bucket tooth stress, inventor considers to adopt a kind of stressed mechanism dynamically reducing of bucket tooth and noseplate left and right side that makes.As shown in Figure 4, be the structural representation of an embodiment of continuous wall grab of the present invention.In the present embodiment, continuous wall grab comprises: body 1, slide mechanism 3, grab bucket bearing 9 and grab bucket body 6, 7, slide mechanism 3 is located at the inner space of body 1, and can slide by the vertical direction with respect to body 1, grab bucket body 6, 7 are hinged on grab bucket bearing 9, and by connecting rod 4, 10 are connected with slide mechanism 3, grab bucket body 6, 7, slide mechanism 3 and connecting rod 4, 10 form equivalent crank slider arrangement, between body 1 and grab bucket bearing 9, be also provided with elastic device 11, body 1, elastic device 11 and the common formation one of grab bucket bearing 9 elastic oscillating system a little, body 6 makes to grab bucket, 7 in the time that continuous wall grab is constructed micro-swinging.
Fig. 5 is the principle schematic of the equivalent slider-crank mechanism of continuous wall grab embodiment of the present invention.The length of the connecting rod between the hinge A on the B point at slide mechanism place and grab bucket body is constant, and the elastic oscillating system a little that body, elastic device and grab bucket bearing form is after by disturbance, can there is the cyclically-varying of small amplitude in the distance between the hinge O of the B point at slide mechanism place and grab bucket body and grab bucket bearing, and then cause grab bucket body produces small amplitude swing effect around hinge O.Under stress, be that grab bucket body increases a swing a little at continuous wall grab at deadweight fall stage bucket tooth like this, when bucket tooth swings to middle equilbrium position with rotating bucket body, the stressed of bucket tooth and the noseplate left and right sides can greatly weaken or disappear, make bucket tooth can under the effect of grab bucket body deadweight, continue to invade operation medium downwards, so just with one a little elastic oscillating system make bucket tooth and noseplate left and right side is stressed dynamically reduces, and then realize the improvement of bucket tooth stressing conditions.
Close the bucket stage at hydraulic pressure, existing continuous wall hydraulic grab is faced with selects applicable bucket tooth angle of penetration to damage condition compromise aspect two at soil extracting efficiency and bucket tooth, the elastic oscillating system a little that the present invention realizes can make to grab bucket body in the time capturing operation medium, adapts to different operation media by elastic deformation.Can suitably get numerical value bigger than normal to the angle of penetration of bucket tooth in use; to obtain higher operating efficiency; in the time running into larger rock or hard point; can there is elastic deformation in the elastic device between grab bucket bearing and body; cause the distance between hinge O and hinge B to change; this can reduce the angle of penetration of bucket tooth automatically, to protect bucket tooth.
In addition, the elastic oscillating system a little that the present invention realizes also can play a role in a bucket discharging stage, existing continuous wall hydraulic grab is merely able to rely on the fulfil assignment discharging of medium of the percussion between scraping action and grab bucket body and the limited block of scraper plate, and continuous wall grab of the present invention is except can utilizing above-mentioned two kinds of effects, can also utilize grab bucket body to accelerate the discharge process of operation medium around the micro-swinging effect of the hinge on grab bucket bearing.
In the embodiment of the continuous wall grab of the invention described above, body and grab bucket bearing form elastic oscillating system a little by elastic device, and the generation type of elastic oscillating system and structure are diversified a little, for small motion direction and amplitude between restriction body and grab bucket bearing, the positioning guide mechanism of restriction grab bucket bearing with respect to body in the vertical direction generation small motion can be set between body and grab bucket bearing.Example structure as shown in Figure 4, below body, surface digs groove, at grab bucket upper surface of support, projection is set, and by projection recessinterengaging means, small motion is between the two positioned to guiding, and elastic device is just arranged between projection and bottom portion of groove.Otherwise, also can below body, projection be set surface, dig groove at grab bucket upper surface of support, the small motion that comes between the two by projection recessinterengaging means positions guiding.In addition, can also have other form, the top of the bearing of for example grabbing bucket is enclosed within the structure of body below, utilizes the structure of socket to position guiding etc., repeats no longer one by one here.
Elastic device can be at least one flexible member, can select one or more flexible members to realize according to the setting position of elastic device, the structural relation that arranges between form and body and grab bucket bearing.And flexible member can adopt rubber pad, steel spring, complex spring or air spring etc., can realize the passive vibration of grab bucket body by flexible member.Elastic device can be also at least one initiatively elasticity controlling organization, and such as hertz oscilltor etc. can be realized the ACTIVE CONTROL of grab bucket body.
In order to realize crawl and the discharging of grab bucket body, demand motive slide mechanism slides with respect to body in the vertical direction, therefore can between slide mechanism and body, driving mechanism be set, hydraulic drive mechanism 2 shown in the preferred Fig. 4 of this driving mechanism, also can adopt the driving mechanism of other form, such as gear-rack drive mechanism etc.
The slideway of vertical direction can be set in the inner space of body 1, and slide mechanism 3 can adopt the U-shaped slide block shown in Fig. 4, the two ends of the hydraulic cylinder of hydraulic drive mechanism 2 can connect respectively U-shaped slide block and body 1, slide in the slideway of body 1 by the U-shaped slide block of telescopic drive of piston rod in the hydraulic cylinder of hydraulic drive mechanism.
Connecting rod 4,10 can comprise left connecting rod and right connecting rod, and grab bucket body 6,7 comprises left grab bucket body and right grab bucket body, is connected respectively by left connecting rod with right connecting rod with U-shaped slide block.Having two sides from the U-shaped slide block of figure can be used for left connecting rod and right connecting rod hinged, and can in the slideway of body 1, slide, the bottom of U-shaped slide block can be used for connecting fluid cylinder pressure, the semiclosed recessed structure that U-shaped slide block forms can be held again hydraulic cylinder, and leads for hydraulic cylinder extension.
As shown in Figure 6, grab bucket body can specifically comprise arc 61, middle base plate 62, the noseplate 63 of formation bucket body and two side plates 64 that are parallel to each other, on middle base plate 62 and noseplate 63, be connected with multiple bucket tooths 65, affixed two side plates 66 can also be distinguished in position corresponding to the vertical direction of noseplate 63 on two side plates 64, round steel (not shown) can also be set between two side plates 64, can play the effect of strengthening grab bucket body intensity.On two side plates 64, can also be respectively equipped with the limiting plate 67 of the maximum opening angle of restriction grab bucket body, limiting plate 67 can with the maximum opening angle of restriction grab bucket body together with limited block 5,8 in Fig. 4, and in discharge process, realize the effect of knocking material.Grab bucket body with grab bucket bearing hinge hole 68(pin shaft hole) on axle sleeve and ring flat-plate can also be set, be used for the intensity of reinforcement pins axis hole, at the hinge hole 69(pin shaft hole of grab bucket body and connecting rod) on axle sleeve and ring flat-plate also can be set, be used for the intensity of reinforcement pins axis hole.
By the above-mentioned explanation to continuous wall grab embodiment of the present invention, be appreciated that the present invention at least one of has the following advantages than existing continuous wall hydraulic grab:
1 infiltration capability is strong: in deadweight dropping process, by the micro-swinging of grab bucket body, make the left and right side of bucket tooth and bucket body noseplate depart from and contact with its operation medium around, and only have the crown of bucket tooth and bucket body noseplate bottom surface to keep contacting closely with operation medium; This force Distribution of bucket tooth and bucket body noseplate has strengthened the ability of whole hydraulic grab continuation intrusion operation medium.
2 bucket tooth life-spans are long: the angle of penetration of bucket tooth is too large, and Grasping skill increases, disconnected but bucket tooth is easily broken; Bucket tooth angle of penetration is too little; although bucket tooth increases application life; but Grasping skill reduces greatly; and the present invention by existing be rigidly connected change into elasticity connect after; can be according to the difference that captures operation medium mechanical characteristic; and automatically increase or reduce the angle of penetration of bucket tooth, do not broken and at utmost improve it in disconnected and capture efficiency at effective protection bucket tooth.
3 discharging efficiency are high: retaining on the basis of impact forces between original clean-up scraper scraping and grab bucket body and limited block, increasing again the micro-swinging effect of grab bucket body, making the operation medium being attached on grab bucket body be more prone to come off.
4 is simple in structure, easy to process, with low cost: compared with former hydraulic grab, the present invention can only increase elastic device aspect scrap build between bearing and body, substantially retain simple, the easy to process advantage of former hydraulic pressure grab bucket, and can not increase any manufacturing cost.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.
Claims (10)
1. a continuous wall grab, comprise: body, slide mechanism, grab bucket bearing and grab bucket body, described slide mechanism is located at the inner space of described body, and can slide by the vertical direction with respect to described body, described grab bucket body is hinged on described grab bucket bearing, and be connected with described slide mechanism by connecting rod, described grab bucket body, slide mechanism and connecting rod form crank slider arrangement, it is characterized in that, between described body and grab bucket bearing, be provided with elastic device, described body, elastic device and the common formation one of grab bucket bearing elastic oscillating system a little, make described grab bucket body micro-swinging in the time of described continuous wall grab construction.
2. continuous wall grab according to claim 1, is characterized in that, described elastic device is at least one flexible member.
3. continuous wall grab according to claim 2, is characterized in that, described flexible member is rubber pad, steel spring, complex spring or air spring.
4. continuous wall grab according to claim 1, is characterized in that, described elastic device is at least one initiatively elasticity controlling organization.
5. continuous wall grab according to claim 4, is characterized in that, described active elasticity controlling organization is hertz oscilltor.
6. continuous wall grab according to claim 1, is characterized in that, is also provided with the positioning guide mechanism of the described grab bucket bearing of restriction with respect to described body in the vertical direction generation small motion between described body and grab bucket bearing.
7. continuous wall grab according to claim 6, is characterized in that, described positioning guide mechanism is projection recessinterengaging means.
8. according to the arbitrary described continuous wall grab of claim 1～7, it is characterized in that, between described slide mechanism and body, be also provided with driving mechanism, drive described slide mechanism to slide with respect to described body in the vertical direction.
9. continuous wall grab according to claim 8, it is characterized in that, the inner space of described body is provided with the slideway of vertical direction, described slide mechanism is U-shaped slide block, described driving mechanism is hydraulic drive mechanism, the two ends of the hydraulic cylinder of described hydraulic drive mechanism connect respectively described U-shaped slide block and described body, slide in the slideway of described body by U-shaped slide block described in the telescopic drive of piston rod in the hydraulic cylinder of described hydraulic drive mechanism; Described connecting rod comprises left connecting rod and right connecting rod, and described grab bucket body comprises left grab bucket body and right grab bucket body, is connected respectively by described left connecting rod with right connecting rod with described U-shaped slide block.
10. according to the arbitrary described continuous wall grab of claim 1～7, it is characterized in that, described grab bucket body comprises the arc that forms bucket body, middle base plate, noseplate and two side plates that are parallel to each other, on described middle base plate and noseplate, be connected with multiple bucket tooths, position corresponding to the vertical direction of described noseplate on described two side plates is also connected with respectively two side plates, between described two side plates, be provided with round steel, on described two side plates, be also respectively equipped with the limiting plate of the maximum opening angle of the described grab bucket body of restriction, be provided with axle sleeve and ring flat-plate respectively with on the hinge hole of described grab bucket bearing and connecting rod at described grab bucket body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118304.8A CN103835330B (en) | 2014-03-27 | 2014-03-27 | Continuous wall grab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410118304.8A CN103835330B (en) | 2014-03-27 | 2014-03-27 | Continuous wall grab |
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| CN103835330A true CN103835330A (en) | 2014-06-04 |
| CN103835330B CN103835330B (en) | 2016-05-04 |
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| CN201410118304.8A Active CN103835330B (en) | 2014-03-27 | 2014-03-27 | Continuous wall grab |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862953A (en) * | 2016-04-01 | 2016-08-17 | 江苏紫石机械制造有限公司 | Grab bucket of continuous wall |
| CN106065638A (en) * | 2016-01-25 | 2016-11-02 | 徐工集团工程机械股份有限公司 | Hydraulic grab and construction of diaphragm wall equipment |
| CN112502218A (en) * | 2021-01-08 | 2021-03-16 | 上海摩芸金电子科技有限公司 | Excavating equipment for shallow buried cable moving |
| CN116395410A (en) * | 2023-04-07 | 2023-07-07 | 山西万立科技有限公司 | Reclaiming bucket suitable for fermented products in ground tanks |
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| DE4200143A1 (en) * | 1992-01-07 | 1993-07-08 | Lewin Heinz Ulrich | Stable twin grab hydraulic excavator - has design free from swinging motion and its bucket has drive which can slew it through full circle and incorporates low friction surface |
| JP2002275930A (en) * | 2001-03-15 | 2002-09-25 | Ishikawajima Harima Heavy Ind Co Ltd | Grab bucket |
| CN102086653A (en) * | 2010-12-30 | 2011-06-08 | 北京市三一重机有限公司 | Continuous wall grab |
| CN202247999U (en) * | 2011-10-15 | 2012-05-30 | 上海金泰工程机械有限公司 | Horizontally rotatable grab bucket |
| CN203834545U (en) * | 2014-03-27 | 2014-09-17 | 徐工集团工程机械股份有限公司 | Continuous wall grab bucket |
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2014
- 2014-03-27 CN CN201410118304.8A patent/CN103835330B/en active Active
Patent Citations (5)
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| DE4200143A1 (en) * | 1992-01-07 | 1993-07-08 | Lewin Heinz Ulrich | Stable twin grab hydraulic excavator - has design free from swinging motion and its bucket has drive which can slew it through full circle and incorporates low friction surface |
| JP2002275930A (en) * | 2001-03-15 | 2002-09-25 | Ishikawajima Harima Heavy Ind Co Ltd | Grab bucket |
| CN102086653A (en) * | 2010-12-30 | 2011-06-08 | 北京市三一重机有限公司 | Continuous wall grab |
| CN202247999U (en) * | 2011-10-15 | 2012-05-30 | 上海金泰工程机械有限公司 | Horizontally rotatable grab bucket |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065638A (en) * | 2016-01-25 | 2016-11-02 | 徐工集团工程机械股份有限公司 | Hydraulic grab and construction of diaphragm wall equipment |
| CN105862953A (en) * | 2016-04-01 | 2016-08-17 | 江苏紫石机械制造有限公司 | Grab bucket of continuous wall |
| CN112502218A (en) * | 2021-01-08 | 2021-03-16 | 上海摩芸金电子科技有限公司 | Excavating equipment for shallow buried cable moving |
| CN116395410A (en) * | 2023-04-07 | 2023-07-07 | 山西万立科技有限公司 | Reclaiming bucket suitable for fermented products in ground tanks |
| CN116395410B (en) * | 2023-04-07 | 2025-07-01 | 山西万立科技有限公司 | Suitable for taking out the material bucket in the ground tank |
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| Publication number | Publication date |
|---|---|
| CN103835330B (en) | 2016-05-04 |
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