CN102704520A - Supporting device for grab bucket, grab bucket and engineering plant - Google Patents
Supporting device for grab bucket, grab bucket and engineering plant Download PDFInfo
- Publication number
- CN102704520A CN102704520A CN2012102206279A CN201210220627A CN102704520A CN 102704520 A CN102704520 A CN 102704520A CN 2012102206279 A CN2012102206279 A CN 2012102206279A CN 201210220627 A CN201210220627 A CN 201210220627A CN 102704520 A CN102704520 A CN 102704520A
- Authority
- CN
- China
- Prior art keywords
- bucket
- grab bucket
- support bar
- grab
- bracing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a supporting device for a grab bucket. The bucket section of the grab bucket is arranged on the body of an engineering plant in an opening and closing manner, and the engineering plant is used for installing the grab bucket; the supporting device comprises an oil cylinder, a supporting rod and at least one supporting base, wherein the cylinder barrel of the oil cylinder is rotatably arranged on a body; the supporting rod is rotatably arranged on the body; the first end of the supporting rod is rotatably connected with the piston rod of the oil cylinder; in an expanding and contracting process, the piston rod can drive the supporting rod to rotate; at least one supporting base is arranged on the bucket section; the second end of the supporting rod is matched with the at least one supporting base; and when the bucket section is opened to a preset position, the piston rod supports the bucket section by the supporting rod and the body. According to the invention, structural rigidity of the grab bucket can be reinforced in a more effective manner without occupying the space inside the grab bucket, thus increasing the resistance in the grabbing process of the grab bucket and interfering dumping capacity of the grab bucket can be avoided. The invention further provides the grab bucket and the engineering plant.
Description
Technical field
The present invention relates to engineering machinery field, in particular to a kind of grab bucket with bracing or strutting arrangement, a kind of grab bucket and a kind of engineering machinery.
Background technology
Need grab bucket during grab bucket work has enough impact forces to ground, hypodynamic situation when digging operation is carried out in harder bottom surface, just may occur impacting.
In order to solve whole problem, patent CN200820155938 discloses a kind of hammer grab, and big bucket and grab bucket bearing within the big bucket, were equipped with at least two group impact teeth about it mainly comprised about it, and these impact teeth all are fixed on the grab bucket bearing.
There is following shortcoming in the grab bucket of this kind structure: bucket tooth realizes that by the bucket tooth that is fixed on the grab bucket bearing active force is less separately to the percussion on ground; Bucket tooth is inner in grab bucket, when rock is gone in grab bucket, can increase into the rock resistance; When soil was unloaded in grab bucket, because this structure is inner in grab bucket, so the inner scraper of grab bucket can reduce the partial action face, directly native ability was unloaded in influence.
Therefore; How can strengthen the rigidity of structure of grab bucket more effectively, thereby increase impact force, can not take the grab bucket volume inside simultaneously; Thereby avoiding increasing the resistance when grabbing bucket rock and avoid influencing the native ability of unloading of grab bucket, is the technical problem that those skilled in the art need solution badly.
Summary of the invention
Technical problem to be solved by this invention is; Provide a kind of grab bucket to use bracing or strutting arrangement; Can strengthen the rigidity of structure of grab bucket more effectively; Thereby the increase impact force can not take the grab bucket volume inside simultaneously, thereby avoids increasing the resistance of grabbing bucket when grasping and avoiding influencing the native ability of unloading of grab bucket.
In view of this; The invention provides a kind of grab bucket and use bracing or strutting arrangement; The bucket lobe of said grab bucket can be installed on the body of the engineering machinery that said grab bucket is installed with opening and closing; Said bracing or strutting arrangement comprises oil cylinder, support bar and at least one supporting seat, and wherein: the cylinder barrel of said oil cylinder is installed in rotation on the said body, and said support bar is installed in rotation on the said body; First end of said support bar is connected with the piston rod of said oil cylinder rotationally, and said piston rod can drive said support bar and rotate when flexible; Said at least one supporting seat is arranged on the said bucket lobe, and second end of said support bar cooperates with said at least one supporting seat, and when said bucket lobe opened to predeterminated position, said piston rod supported said bucket lobe through said support bar and said body.
In this technical scheme; When the bucket lobe is opened to preposition, through oil cylinder and support bar the bucket lobe is supported, can strengthen the rigidity of structure of grab bucket more effectively; Guarantee that grab bucket can not change the extracting angle because of resistance when grasping; And, can not take the grab bucket volume inside, thereby avoid increasing the resistance when grabbing bucket rock and avoid influencing the native ability of unloading of grab bucket owing to do not set up other parts in grab bucket inside; In addition, support bar is positioned at the outside of bucket lobe, and piston rod withdrawal back support rod can not influence the action of bucket lobe; Through the support force of support bar relay cylinder, can pass through the control of the flexible realization of control piston bar, and the installation of oil cylinder is also more flexible to the support bar angle, can satisfy the not enough situation of installing space of oil cylinder better.
Preferably, said support bar is the V font, and the connecting portion of said support bar and said body is in the bending place of said support bar.In this technical scheme; Adopt the support bar of V font can optimize the stressed of oil cylinder,, can reduce the suffered radial load of oil cylinder effectively through being suitable angle of V font support bar design; Thereby reduce the radial load of piston, prolong the application life of oil cylinder cylinder barrel.
Preferably, described bracing or strutting arrangement comprises at least two said supporting seats, and at least two said supporting seats are arranged along the outer wall of said bucket lobe from top to bottom.
Preferably, said supporting seat is provided with groove, and second end of said support bar matches with groove on the said supporting seat.In this technical scheme, through groove is set, can prevent better that the end of support bar from deviating from from supporting seat, support more stablely, improved the reliability of system.
Preferably, second end of said support bar be shaped as taper, hemispherical or square, said groove is v-depression, semi-circular recesses or square groove, can further improve the stability of support.
The present invention also provides a kind of grab bucket, comprise that at least two bucket lobes and at least one and said bucket lobe be used according to each described bracing or strutting arrangement in the technique scheme.
Preferably, with each said bucket lobe on equal corresponding at least one said bracing or strutting arrangement, more stable work of grab bucket of being provided with.
Preferably, described grab bucket comprises two said bucket lobes, and the bracing or strutting arrangement on two said bucket lobes is symmetrical set, and can simplify the design of whole grab bucket, supports also more stable.
The present invention also provides a kind of engineering machinery, comprises each described grab bucket in the technique scheme.For example, said engineering machinery is a continuous wall grab, and said grab bucket is installed in the bottom of the equipment of said continuous wall grab, and said equipment is provided with fixed head, and the cylinder barrel of said oil cylinder is installed on the said fixed head.
In sum; Grab bucket among the present invention; Through oil cylinder and support bar the bucket lobe of grabbing bucket is supported at preposition, can strengthen the rigidity of structure of grab bucket more effectively, and owing to do not set up other parts in grab bucket inside; Can not take the grab bucket volume inside, thereby avoid increasing the resistance when grabbing bucket rock and avoid influencing grabbing soil and unloading native ability of grab bucket; Adopt the support bar of V font can optimize the stressed of oil cylinder,, can reduce the suffered radial load of oil cylinder effectively, thereby reduce the radial load of piston, prolong the application life of oil cylinder cylinder through being suitable angle of V font support bar design; In addition,, can pass through the control of the flexible realization of control piston bar, and the installation of oil cylinder is also more flexible, can satisfies the not enough situation of installing space of oil cylinder better the support bar angle through the support force of support bar relay cylinder.
Description of drawings
Fig. 1 is the sketch map with bracing or strutting arrangement and grab bucket of grabbing bucket according to an embodiment of the invention;
Fig. 2 is the sketch map with bracing or strutting arrangement and grab bucket of grabbing bucket according to another embodiment of the present invention;
Fig. 3 is the sketch map according to the equipment of the continuous wall grab of the embodiment of the invention.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1 to Fig. 3:
The specific embodiment
In order more to be expressly understood above-mentioned purpose of the present invention, feature and advantage, the present invention is further described in detail below in conjunction with the accompanying drawing and the specific embodiment.
A lot of details have been set forth in the following description so that make much of the present invention; But; The present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention does not receive the restriction of following disclosed specific embodiment.
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.Need to prove that under the situation of not conflicting, the application's embodiment and the characteristic among the embodiment can make up each other.
Extremely shown in Figure 2 like Fig. 1; The invention provides a kind of grab bucket and use bracing or strutting arrangement, the bucket lobe 2 of grab bucket can be installed on the body of the engineering machinery that grab bucket is installed with opening and closing, and bracing or strutting arrangement comprises oil cylinder 3, support bar 5 and at least one supporting seat 4; Wherein: the cylinder barrel 31 of oil cylinder 3 is installed in rotation on the body; Support bar 5 is installed in rotation on the body, and first end of support bar 5 is connected with the piston rod 32 of oil cylinder 3 rotationally, and piston rod 32 can drive support bar 5 and rotate when stretching; At least one supporting seat 4 is arranged on the bucket lobe 2, and second end of support bar 5 cooperates with at least one supporting seat 4, and when bucket lobe 2 opened to predeterminated position, piston rod 32 supported bucket lobe 2 through support bar 5 and body.
In this technical scheme, when bucket lobe 2 is opened to preposition, through piston rod 32 drive support bars 5 rotations of oil cylinder 3; The two port bucket lobe 2 of support bar 5 supports; Can strengthen the rigidity of structure of grab bucket more effectively, guarantee that grab bucket can not change the extracting angle because of resistance when grasping, and owing to do not set up other parts in grab bucket inside; Can not take the grab bucket volume inside, thereby avoid increasing the resistance when grabbing bucket rock and avoid influencing the native ability of unloading of grab bucket; In addition, oil cylinder 3 is positioned at the outside of bucket lobe 2, can not influence the action of bucket lobe 2 after piston rod 32 withdrawals; Through the support force of support bar 5 relay cylinders 3, can pass through the control of the flexible realization of control piston bar 32, and the installation of oil cylinder 3 is also more flexible to support bar 5 angles, can satisfy the not enough situation of installing space of oil cylinder 3 better.
Wherein, be chosen in bucket lobe 2 and open to only where to support and need when the design grab bucket on bucket lobe 2 corresponding position that supporting seat 4 is set to get final product, make when the lobe 2 that struggles against is opened to corresponding position can with the cooperating of realization and oil cylinder 3.
Bracing or strutting arrangement is under off working state, and piston rod 32 withdrawals drive support bar 5 and from groove, lift, and turning to does not influence the position that the bucket of grab bucket lobe 2 opens and closes, and can guarantee not influence the operate as normal of grab bucket; When bucket lobe 2 needed to support, piston rod 32 stretched out certain amount, makes support bar 5 turn to the Support Position, and bucket lobe 2 opens to the Support Position and cooperates with support bar 5, and second end of support bar 5 stretches in the supporting seat 4 bucket lobe 2 is supported.
A plurality of supporting seats 4 can also, each be set on struggling against lobe 2; Supporting seat 4 is arranged along the outer wall of bucket lobe 2 from top to bottom; Thereby being implemented in bucket lobe 2 variable open position supports; Adapt to different working conditions better, can overcome that in the correlation technique position of bucket tooth is unadjustable, the defective of underaction; And realized the support when bucket lobe 2 is positioned at different angles, can adapt to more operating mode demand.
Preferably, support bar 5 is the V font, and the connecting portion of support bar 5 and body is in the bending place of support bar 5.In this technical scheme; As shown in the figure; Adopt the support bar 5 of V font can optimize the stressed of oil cylinder 3,, can reduce the suffered radial load of oil cylinder 3 effectively through be that V font support bar 5 designs suitable angles; Thereby reduce the radial load of piston, prolong the application life of oil cylinder 3 cylinder barrel 31.
Before bucket is opened in grab bucket; Piston rod 32 withdrawal, and then support bar 5 lifts from the Support Position, grab bucket is opened the back to certain angle; Piston rod 32 stretches out; The end that promotes support bar 5 rotates, and the end of support bar 5 moves in the supporting seat 4 on the bucket lobe 2, thereby firm 3 play the effect of bracing reinforcement with 5 pairs of grab buckets of support bar in preset angle; In addition; Through differing heights on bucket lobe 2 supporting seat 4 is set; For example as two rows shown in the figure, the end that can be implemented in bucket lobe 2 support bar 5 when being opened to different angles is implemented in different angles the lobe 2 that struggles against is supported through cooperating with various supports seat 4; Thereby be applicable to different working conditions, the scope of application is wider.
Preferably, supporting seat 4 is provided with groove, and second end of support bar 5 matches with groove on the supporting seat 4.In this technical scheme, through groove is set, can prevent better that the end of support bar 5 from deviating from from supporting seat 4, support more stablely, improved the reliability of system.
Further, second end of support bar 5 be shaped as taper, hemispherical or square, groove is v-depression, semi-circular recesses or square groove, can further improve the stability of support.
The present invention also provides a kind of grab bucket, comprise that at least two bucket lobes 2 and at least one and bucket lobe 2 be used according to each bracing or strutting arrangement in the technique scheme.
Preferably, with equal corresponding at least one bracing or strutting arrangement that is provided with on each bucket lobe 2, each bucket lobe 2 is all supported the more stable work of grab bucket.
Preferably, grab bucket comprises that the bracing or strutting arrangement on 2, two buckets of two bucket lobes lobe 2 is symmetrical set, and can simplify the design of whole grab bucket, supports also more stable.
The present invention also provides a kind of engineering machinery, comprises each described grab bucket in the technique scheme.For example, as shown in Figure 3, said engineering machinery is a continuous wall grab, and said grab bucket is installed in the bottom of the equipment 6 of said continuous wall grab, and equipment 6 is provided with fixed head 7, and the cylinder barrel 31 of oil cylinder is installed on the fixed head 7.
In sum; Grab bucket among the present invention is supported at preposition the bucket lobe of grabbing bucket through oil cylinder and support bar, can strengthen the rigidity of structure of grab bucket more effectively; Thereby the impact force when having increased grab bucket work; And, can not take the grab bucket volume inside, thereby avoid increasing the resistance when grabbing bucket rock and avoid influencing grabbing soil and unloading native ability of grab bucket owing to do not set up other parts in grab bucket inside; Adopt the support bar of V font can optimize the stressed of oil cylinder,, can reduce the suffered radial load of oil cylinder effectively, thereby reduce the radial load of piston, prolong the application life of oil cylinder cylinder through being suitable angle of V font support bar design; In addition,, can pass through the control of the flexible realization of control piston bar, and the installation of oil cylinder is also more flexible, can satisfies the not enough situation of installing space of oil cylinder better the support bar angle through the support force of support bar relay cylinder.
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 (10)
1. bracing or strutting arrangement is used in a grab bucket; The bucket lobe (2) of said grab bucket can be installed on the body of the engineering machinery that said grab bucket is installed with opening and closing; It is characterized in that said bracing or strutting arrangement comprises oil cylinder (3), support bar (5) and at least one supporting seat (4), wherein:
The cylinder barrel (31) of said oil cylinder (3) is installed in rotation on the said body; Said support bar (5) is installed in rotation on the said body; First end of said support bar (5) is connected with the piston rod (32) of said oil cylinder (3) rotationally, and said piston rod (32) can drive said support bar (5) and rotate when flexible;
Said at least one supporting seat (4) is arranged on the said bucket lobe (2); Second end of said support bar (5) cooperates with said at least one supporting seat (4); When said bucket lobe (2) when opening to predeterminated position, said piston rod (32) supports said bucket lobe (2) through said support bar (5) and said body.
2. bracing or strutting arrangement is used in grab bucket according to claim 1, it is characterized in that, said support bar (5) is the V font, and the connecting portion of said support bar (5) and said body is in the bending place of said support bar (5).
3. bracing or strutting arrangement is used in grab bucket according to claim 1, it is characterized in that, the quantity that comprises said at least one supporting seat (4) is two, and the outer wall of at least two said supporting seats (4) said bucket lobes in edge (2) is separation from top to bottom.
4. use bracing or strutting arrangement according to each described grab bucket in the claim 1 to 3, it is characterized in that, said supporting seat (4) is provided with groove, and second end of said support bar (5) matches with groove on the said supporting seat (4).
5. bracing or strutting arrangement is used in grab bucket according to claim 4, it is characterized in that, second end of said support bar (5) be shaped as taper, hemispherical or square, said groove is v-depression, semi-circular recesses or square groove.
6. a grab bucket is characterized in that, what comprise that at least two bucket lobes (2) and at least one and said bucket lobe (2) be used uses bracing or strutting arrangement according to each described grab bucket in the claim 1 to 5.
7. grab bucket according to claim 6 is characterized in that, goes up equal corresponding at least one said bracing or strutting arrangement that is provided with each said bucket lobe (2).
8. grab bucket according to claim 7 is characterized in that, comprises two said bucket lobes (2), and the bracing or strutting arrangement on two said bucket lobes (2) is symmetrical set.
9. an engineering machinery is characterized in that, comprises like each described grab bucket in the claim 6 to 8.
10. engineering machinery according to claim 9; It is characterized in that; Said engineering machinery is a continuous wall grab; Said grab bucket is installed in the bottom of the equipment (6) of said continuous wall grab, and said equipment (6) is provided with fixed head (7), and the cylinder barrel (31) of said support bar (5) and said oil cylinder (3) is installed on the said fixed head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220627.9A CN102704520B (en) | 2012-06-29 | 2012-06-29 | Supporting device for grab bucket, grab bucket and engineering plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210220627.9A CN102704520B (en) | 2012-06-29 | 2012-06-29 | Supporting device for grab bucket, grab bucket and engineering plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102704520A true CN102704520A (en) | 2012-10-03 |
| CN102704520B CN102704520B (en) | 2014-12-10 |
Family
ID=46897550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210220627.9A Active CN102704520B (en) | 2012-06-29 | 2012-06-29 | Supporting device for grab bucket, grab bucket and engineering plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102704520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195118A (en) * | 2013-03-27 | 2013-07-10 | 武汉理工大学 | Brace rod sliding groove type hydraulic flat digging grab bucket |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225217C2 (en) * | 1992-07-30 | 2001-08-02 | Porr Technobau Ag | Recovery device |
| CN2737837Y (en) * | 2004-09-20 | 2005-11-02 | 周洪斌 | Multifunction grabbing and digging machine |
| JP2009138394A (en) * | 2007-12-05 | 2009-06-25 | Sanwa Kiko Kk | Hammer grab |
| CN202175965U (en) * | 2011-08-03 | 2012-03-28 | 山西东华机械有限公司 | Roadway floor heave removing device |
| CN202706089U (en) * | 2012-06-29 | 2013-01-30 | 三一重工股份有限公司 | Support device for grab bucket, grab bucket and engineering machinery |
-
2012
- 2012-06-29 CN CN201210220627.9A patent/CN102704520B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4225217C2 (en) * | 1992-07-30 | 2001-08-02 | Porr Technobau Ag | Recovery device |
| CN2737837Y (en) * | 2004-09-20 | 2005-11-02 | 周洪斌 | Multifunction grabbing and digging machine |
| JP2009138394A (en) * | 2007-12-05 | 2009-06-25 | Sanwa Kiko Kk | Hammer grab |
| CN202175965U (en) * | 2011-08-03 | 2012-03-28 | 山西东华机械有限公司 | Roadway floor heave removing device |
| CN202706089U (en) * | 2012-06-29 | 2013-01-30 | 三一重工股份有限公司 | Support device for grab bucket, grab bucket and engineering machinery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195118A (en) * | 2013-03-27 | 2013-07-10 | 武汉理工大学 | Brace rod sliding groove type hydraulic flat digging grab bucket |
| CN103195118B (en) * | 2013-03-27 | 2015-04-08 | 武汉理工大学 | Brace rod sliding groove type hydraulic flat digging grab bucket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102704520B (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7434391B2 (en) | Excavator and a machine for material transfer | |
| JP5683797B2 (en) | Actuator unit and energy recovery cylinder used for actuator unit | |
| JP5683123B2 (en) | Drive unit for hydraulic excavator | |
| KR20120100910A (en) | Mooring device for flap gate type breakwater | |
| US8939699B2 (en) | Construction machine with hydraulic pipes | |
| CN102146686B (en) | Bucket wheel excavator | |
| CN101618839A (en) | Telescopic crane and single cylinder bolt type telescopic boom thereof | |
| CN202577407U (en) | Bulldozer and shovel blade device thereof | |
| JP5957207B2 (en) | Work machine and energy regenerative cylinder used therein | |
| CN107406038A (en) | The lifting step of Operation Van | |
| CN102704520A (en) | Supporting device for grab bucket, grab bucket and engineering plant | |
| CN110397101A (en) | The scraper bowl of cable forklift | |
| CN202706089U (en) | Support device for grab bucket, grab bucket and engineering machinery | |
| JP2015532370A (en) | Fluid hammer device for excavator | |
| CN201574757U (en) | Tail coal loader of combined mechanization mining face conveyor | |
| CN109594997A (en) | A kind of tool changing robot fuselage applied to complete-section tunnel boring machine | |
| CN200992717Y (en) | Automatic rotating device for rock loader | |
| CN201007008Y (en) | Rear removed type loading apparatus | |
| CN105887954A (en) | Novel energy-saving loader and control method thereof | |
| RU2299296C1 (en) | Balancing system of boom machine working equipment (versions) | |
| CN203808139U (en) | Parking support device | |
| CN207362843U (en) | The retractable supports structure of piling machine platform | |
| CN2663215Y (en) | High-unloading apparatus of loading machine | |
| CN207314286U (en) | A kind of multistage locking hydraulic pressure dam | |
| CN218204655U (en) | Novel rock arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |