CN103112788B - Stand bar of engineering machinery and engineering machinery - Google Patents
Stand bar of engineering machinery and engineering machinery Download PDFInfo
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- CN103112788B CN103112788B CN201310070756.9A CN201310070756A CN103112788B CN 103112788 B CN103112788 B CN 103112788B CN 201310070756 A CN201310070756 A CN 201310070756A CN 103112788 B CN103112788 B CN 103112788B
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- base plate
- leg
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Abstract
The invention discloses a stand bar of an engineering machinery. The stand bar of the engineering machinery comprises a base plate (1), a support part (2) and a base plate extending part, wherein the support part (2) is arranged on the top surface of the base plate; the base plate extending part is connected with the edge of the outer periphery of the base plate, and is provided with an unfolding part in the same plane with the base plate, and a folding part which forms an included angle (alpha) with the base plate. The invention also provides the engineering machinery which comprises the stand bars, wherein a vertical oil cylinder of the engineering machinery is detachably connected with each support part. According to the stand bar, the grounding area requirement is met under different working conditions so as to improve the bearing capability and the tipping-resistant capability of the stand bar, meanwhile, the labor intensity of operators can also be lowered, and the working efficiency is improved.
Description
Technical field
The present invention relates to mechanical field, particularly, relate to a kind of leg and construction machinery and equipment of construction machinery and equipment.
Background technology
The leg of construction machinery and equipment is arranged on the bottom of Vertical Cylinders, the contact component on supporting leg and ground during formation engineer machinery operation.Because the weight of the weight of construction machinery and equipment self and the weight of lifting is all delivered to ground by leg, therefore leg not only needs to bear very large support reaction, also needs to have stable resistant to tipping ability.Wish the base plate of leg to be set to larger size in practice, realized the good support effect of leg by the ground contact area improving base plate.
Shown in accompanying drawing 1 is cutaway view after the leg of construction machinery and equipment of the prior art and Vertical Cylinders line of centers are vertically cut open.Although the result of theoretical analysis wishes that the base plate 1 of leg has larger size, be subject to the integrally-built restriction of construction machinery and equipment, the size of base plate 1 is not often enough large.When the irregular operating mode in the less and ground of the ground contact area running into base plate 1, the mode generally by laying the larger sleeper of area below base plate 1 increases the ground contact area of leg.Like this, just need to carry sleeper with car.Needing to use in the operating mode of sleeper, first sleeper to be carried to use location and be laid on below base plate 1, also sleeper will be carried back after finishing using and original put in order position.Cause the labour intensity increasing operating personal thus, and reduce work efficiency.
Summary of the invention
The object of this invention is to provide a kind of leg and construction machinery and equipment of construction machinery and equipment, in order to meet the ground contact area needs of leg under different operating modes, to improve weight capacity and the resistant to tipping ability of leg, the labour intensity of operating personal can also be reduced simultaneously, and increase work efficiency.
To achieve these goals, the invention provides a kind of leg of construction machinery and equipment, comprise base plate and be arranged on the support portion on plate top surface.The leg of this project machinery also comprises the base plate extension of the neighboring being connected to base plate; Wherein, base plate extension has and is in conplane expanded position with base plate, and forms the curling position of angle with base plate.
Preferably, base plate extension comprises multiple split part, and each split part is equally spaced rotatably connected on base plate along the neighboring of base plate.
Preferably, the leg of this project machinery comprises multiple first locationss that each split part can be locked in expanded position; Wherein, one end of each first locations is connected on support portion, and the other end is connected on corresponding split part.
Preferably, multiple first locations is self-locking type gas spring, and the one in the cylinder barrel of self-locking type gas spring and piston rod is rotatably connected on support portion, and another one is rotatably connected on corresponding split part.
Preferably, the leg of this project machinery comprises multiple second locationss that each split part can be locked in expanded position; Wherein, one end of each second locations is connected on base plate, and the other end is connected on corresponding split part; And the connection structure of the connection structure of the second locations and base plate and/or the second locations and split part is detouchable connection structure.
Preferably, each second locations comprises: the first snap ring, and this first snap ring is arranged on base plate; Second snap ring, this second snap ring is arranged on split part; And plate, one end of this plate plugs with the first snap ring and coordinates, and the other end plugs with the second snap ring and coordinates.
Preferably, the leg of this project machinery comprises multiple 3rd locationss that each split part can be fixed on curling position; Wherein, the second joint portion that each 3rd locations comprises the first joint portion and is removably connected with the first joint portion, and the first joint portion is connected on support portion, and the second joint portion is connected on corresponding split part.
Preferably, base plate offers drain gutter.
On the other hand, the present invention also provides a kind of construction machinery and equipment, and this project machinery comprises above-mentioned leg; Wherein, the Vertical Cylinders of construction machinery and equipment is removably connected with support portion.
Preferably, the piston rod of Vertical Cylinders is removably connected by latch with support portion, and the end of latch is provided with the spring pin moved axially for limiting latch; And construction machinery and equipment also comprises cable, and be arranged on the handle in order to carrying on base plate; Wherein, one end of cable connects handle, other end connecting bolt and spring pin.
By technique scheme, base plate extension is set in the neighboring of base plate, and base plate extension can be in expanded position and curling position.When construction machinery and equipment is in non-operating condition or is in operating condition when construction machinery and equipment but does not need to use base plate extension, this base plate extension can be fixed on curling position, to reduce occupied space; When the area chassis ground that the work area ground relief needs of construction machinery and equipment are larger, base plate extension can be locked in expanded position, to expand the ground contact area of leg, improve weight capacity and the resistant to tipping ability of leg.Therefore, leg of the present invention can meet the needs of ground contact area under different operating modes.And because base plate extension is connected directly between on base plate, without the need to carrying base plate extension to and fro, because this reducing the labour intensity of operating personal, and improve labour intensity.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the leg of construction machinery and equipment of the prior art and the front view of Vertical Cylinders;
Fig. 2 is the front view of the leg of construction machinery and equipment according to an embodiment of the invention, illustrates that base plate extension is in the state of expanded position;
Fig. 3 is the front view of the leg of construction machinery and equipment according to an embodiment of the invention, illustrates that base plate extension is in the state of curling position;
Fig. 4 is the birds-eye view of the leg of construction machinery and equipment according to an embodiment of the invention, illustrates that base plate extension is in the state of expanded position;
Fig. 5 is the birds-eye view of the leg of construction machinery and equipment according to an embodiment of the invention, illustrates that base plate extension is in the state of curling position;
Fig. 6 is the leg of construction machinery and equipment and the front view of Vertical Cylinders according to an embodiment of the invention, illustrates that base plate extension is in the state of expanded position;
Fig. 7 is the leg of construction machinery and equipment and the front view of Vertical Cylinders according to an embodiment of the invention, illustrates that base plate extension is in the state of curling position.
Description of reference numerals
1 base plate 2 support portion
21 pillar stiffener 22 rib 23 supporting bases
3 split part 4 Vertical Cylinders 5 cables
6 handles
71 first locationss
721 first snap ring 722 second snap ring 723 plates
731 first joint portion, joint portions 732 second
α angle
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Referring to figs. 2 to Fig. 7, the invention provides a kind of leg of construction machinery and equipment.This leg comprises base plate 1, and this base plate 1 forms the ground connection position of leg.The end face of base plate 1 is provided with support portion 2, in order to the Vertical Cylinders 4 of propping works machinery.As shown in figs. 2 and 4, support portion 2 comprises the pillar stiffener 21 being positioned at centre.The top of pillar stiffener 21 is provided with supporting base 23, in order to be connected with Vertical Cylinders 4.The multiple ribs 22 distributed radially are in the horizontal direction connected with, in order to the support of strengthening to supporting base 23 between supporting base 23 and base plate 1.As can see from Figure 2, in the vertical direction, rib 22 extends obliquely from the outer peripheral edges of base plate 1 to supporting base 23, thus rib 22, base plate 1 and pillar stiffener 21 form stable triangular support structure.
Referring to figs. 2 to Fig. 5, according to embodiments of the invention, leg also comprises base plate extension.This base plate extension is connected on base plate 1, as the ductile area of base plate 1 around the neighboring of base plate 1.According to embodiments of the invention, base plate extension has expanded position and curling position.More specifically, on the one hand, when base plate extension is in expanded position, this base plate extension and base plate 1 are in same plane.Like this, when the ground of the work area of construction machinery and equipment is smooth not, base plate 1 needs larger ground contact area could realize stable support, base plate extension can be made to be in expanded position, to form the larger ground contact area of leg, improve weight capacity and the resistant to tipping ability of leg, and improve the load-carrying ability of construction machinery and equipment.On the other hand, when base plate extension is in curling position, this base plate extension and base plate 1 form angle α.Like this, when the ground of the work area of construction machinery and equipment is more smooth, when only needing the ground contact area of base plate 1 itself to be just enough to realize stable support, base plate extension can be made to be in curling position, to reduce the space occupied by base plate extension as far as possible.According to said structure, owing to being provided with base plate extension and enabling this base plate extension be in different positions, make leg of the present invention can meet the needs of ground contact area under different operating modes.Further, because base plate extension is connected directly between on base plate 1, therefore without the need to carrying base plate extension to and fro, thus reduce the labour intensity of operating personal, and improve labour intensity.
With reference to figure 4 and Fig. 5, according to embodiments of the invention, base plate extension comprises multiple split part 3.Like this, each split part 3 can be operated respectively to realize the evolution of base plate extension, thus greatly reduce the difficulty of base plate extension movement between the curling position shown in the expanded position shown in Fig. 4 and Fig. 5.As shown in Figure 4 and Figure 5, each split part 3 is rotatably connected on base plate 1 along the neighboring of base plate 1, and pivot center is arranged in the plane residing for base plate 1.More specifically, each split part 3 is equally spaced hinged on base plate 1, and when making base plate extension be in expanded position, each split part 3 is uniform around the neighboring of base plate 1.Better preferred embodiment is the shape of each split part 3 and in the same size.So, even if expanded by the ground contact area of base plate 1, the stressed of whole base arrangement remains uniform, to guarantee effective improvement of the resistant to tipping ability of leg.Meanwhile, split part 3 is hinged on base plate 1, and only need rotate around S. A. and just can realize evolution, operation is very easy.
Referring to figs. 2 to Fig. 5, according to embodiments of the invention, leg comprises multiple first locations 71.Each split part 3 at least should have first locations 71 corresponding thereto, thus each split part 3 can be locked in expanded position by the first locations 71.According to embodiments of the invention, one end of each first locations 71 is connected on support portion 2, and the other end is connected on corresponding split part 3.Like this, can by the relative position between two ends of adjustment first locations 71, make the first locations 71 between support portion 2 and corresponding split part 3, form the support of inclination post rod type, to make split part 3 fix position for support portion 2, thus reliably lock the position of split part 3.Being appreciated that the locking position effect in order to strengthen the first locations 71, also the other end of two or more first locations 71 can being connected on same split part 3.
More specifically, according to embodiments of the invention, the first locations 71 is self-locking type gas spring preferably.One in the cylinder barrel of this self-locking type gas spring and piston rod is rotatably connected on support portion 2, and another one is rotatably connected on corresponding split part 3.When needing to use base plate extension, stretch out cylinder barrel by the piston rod of self-locking type gas spring, split part 3 can be promoted and rotate to expanded position; After split part 3 arrives expanded position, utilize the piston rod of self-locking type gas spring and the locking position performance of cylinder barrel, can by the locking position of split part 3; When needing after finishing using to draw base plate extension in, bounced back in cylinder barrel by the piston rod of self-locking type gas spring, split part 3 can be pulled to rotate until split part 3 arrives curling position to curling position.Further, according to embodiments of the invention, one end of self-locking type gas spring can be connected on rib 22 relatively near the position of base plate 1.Like this, the self-locking type gas spring that stroke is less can be used, to reduce device fabrication cost.
Continue referring to figs. 2 to Fig. 5, according to embodiments of the invention, leg can also comprise multiple second locations.Each split part 3 at least has second locations corresponding thereto, thus each split part 3 more reliably can be locked in expanded position by the second locations.According to embodiments of the invention, one end of each second locations is connected on base plate 1, and the other end is connected on corresponding split part 3.Like this, when the two ends of the second locations are in same plane, split part 3 and base plate 1 just can be made to be in same plane, thus realize split part 3 to be locked in expanded position.Do not affect split part 3 to make the second locations to move to curling position swimmingly, in the second locations and the connection structure of base plate 1 and the connection structure of the second locations and split part 3, at least one is arranged to detouchable connection structure.
More specifically, according to embodiments of the invention, each second locations can comprise the first snap ring 721, second snap ring 722 and plate 723.Wherein, the first snap ring 721 is arranged on base plate 1, and the second snap ring 722 is arranged on split part 3, and the two ends of plate 723 can plug with the first snap ring 721 and the second snap ring 722 respectively and coordinate.Like this, when split part 3 turns to expanded position, the two ends of plate 723 are inserted into respectively in the first snap ring 721 and the second snap ring 722, just the locking position of split part 3 can be in same plane with base plate 1.In addition, in order to strengthen the locking position effect of the second locations, also multiple second locations can be set between base plate 1 and same split part 3.Such as, can see in figures 4 and 5, between each split part 3 and base plate 1, be provided with two the second locationss.
Still referring to figs. 2 to Fig. 5, according to embodiments of the invention, leg can also comprise multiple 3rd locations.Each split part 3 at least has the 3rd locations corresponding thereto, thus each split part 3 is fixed on curling position by the 3rd locations.Each 3rd locations can comprise the first joint portion 731 and the second joint portion 732 removably connected.Wherein, the first joint portion 731 can be connected on support portion 2, and the second joint portion 732 can be connected on corresponding split part 3.Like this, when split part 3 is fixed on curling position by needs, the first joint portion 731 and the second joint portion 732 can be made to link together; When needs use split part 3, the connection between the first joint portion 731 and the second joint portion 732 can be opened, split part 3 can be rotated to expanded position.
In addition, when the second joint portion 732 is arranged on the position away from the S. A. of split part 3, be conducive to split part 3 to be fixed on curling position.Correspondingly, the first joint portion 731 can be arranged on the top of rib 22.Like this, when the first joint portion 731 and the second joint portion 732 link together, the direction of tilt of split part 3 is consistent with the direction of tilt of rib 22 substantially.That is, when base plate extension is positioned at curling position, the end face of this base plate extension and base plate 1 forms the angle being less than 90 °, and this base plate extension covers the outside of rib 22 substantial parallelly.So, the space of base plate extension occupied by non-operating condition is decreased as much as possible.
Be appreciated that the first joint portion 731 and the second joint portion 732 can be accomplished in several ways.Such as but not limited to, grab card slot type structure, socket type structural, screw connection structure etc.According to embodiments of the invention, annular ring is arranged in the first joint portion 731, elastic hook is arranged in the second joint portion 732.Only elastic hook need be hung on the annular rings, just each split part 3 can be fixed on curling position; Only elastic hook and annular ring need be made to depart from, just can open the connection between the first joint portion 731 and the second joint portion 732.
According to above-mentioned, when construction machinery and equipment is in the state of not using, or when the ground of the work area of construction machinery and equipment more smooth without the need to using base plate extension time, base plate extension is in curling position.Now, the direction of base plate extension is consistent with the direction of rib 22 substantially; The elastic hook of the 3rd locations is hung on the annular rings, and the plate 723 of the second locations is extracted, and the piston rod of the first locations 71 is retracted in cylinder barrel.When the ground relief of the work area of construction machinery and equipment, when needing to use base plate extension, the elastic hook of the 3rd locations and annular ring are departed from.Then, make the piston rod of self-locking type gas spring stretch out cylinder barrel to rotate towards expanded position with each split part 3 promoting base plate extension.After split part 3 arrives expanded position, the self-locking of self-locking type gas spring.Plate 723 is inserted in the first snap ring 721 and the second snap ring 722.Like this, just by each split part 3, namely base plate extension is locked in expanded position.After base plate extension is finished using, be reattached to curling position according to contrary step.
In addition, according to embodiments of the invention, base plate 1 offers drain gutter, in rainy day draining.
According to a further aspect in the invention, provide a kind of construction machinery and equipment, this project machinery comprises above-mentioned leg.Wherein, Vertical Cylinders 4 is removably connected with supporting base 23 by latch.When not using leg for a long time, the connection between Vertical Cylinders 4 and supporting base 23 can be opened, leg is put in order in addition, so that transport and maintenance.According to embodiments of the invention, the end of latch is provided with spring pin, for limiting moving axially of latch.According to embodiments of the invention, base plate 1 is provided with handle 6, so that carrying base plate 1.According to embodiments of the invention, construction machinery and equipment also comprises cable 5.One end of this cable 5 connects handle 6, other end connecting bolt and spring pin.Like this, can prevent latch and spring pin from losing.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a leg for construction machinery and equipment, comprises base plate (1) and is arranged on the support portion (2) on described base plate (1) end face; It is characterized in that, described support portion (2) comprises the supporting base (23) for connecting Vertical Cylinders, tilts to be connected with multiple rib (22) radially between described supporting base (23) and described base plate (1); The leg of this project machinery also comprises the base plate extension of the neighboring being connected to described base plate (1); Wherein, described base plate extension has and is in conplane expanded position with described base plate (1), and forms the curling position of angle (α) with described base plate (1); In described curling position, cover the outside of described rib (22) described base plate extension general parallel orientation.
2. the leg of construction machinery and equipment according to claim 1, it is characterized in that, described base plate extension comprises multiple split part (3), and split part (3) described in each is equally spaced rotatably connected on described base plate (1) along the neighboring of described base plate (1).
3. the leg of construction machinery and equipment according to claim 2, is characterized in that, the leg of this project machinery comprises multiple first locationss (71) that split part (3) described in each can be locked in described expanded position;
Wherein, one end of each described first locations (71) is connected on described support portion (2), and the other end is connected on corresponding described split part (3).
4. the leg of construction machinery and equipment according to claim 3, it is characterized in that, multiple described first locations (71) is self-locking type gas spring, one in the cylinder barrel of described self-locking type gas spring and piston rod is rotatably connected on described support portion (2), and another one is rotatably connected on corresponding described split part (3).
5. the leg of the construction machinery and equipment according to claim 3 or 4, is characterized in that, the leg of this project machinery comprises multiple second locationss that split part (3) described in each can be locked in described expanded position;
Wherein, one end of each described second locations is connected on described base plate (1), and the other end is connected on corresponding described split part (3); And
The connection structure of described second locations and described base plate (1) and/or the connection structure of described second locations and described split part (3) are detouchable connection structures.
6. the leg of construction machinery and equipment according to claim 5, is characterized in that, each described second locations comprises: the first snap ring (721), and this first snap ring (721) is arranged on described base plate (1); Second snap ring (722), this second snap ring (722) is arranged on described split part (3); And plate (723), one end of this plate (723) plugs with described first snap ring (721) and coordinates, and the other end plugs with described second snap ring (722) and coordinates.
7. the leg of construction machinery and equipment according to claim 5, is characterized in that, the leg of this project machinery comprises multiple 3rd locationss that split part (3) described in each can be fixed on described curling position;
Wherein, the second joint portion (732) that each described 3rd locations comprises the first joint portion (731) and is removably connected with described first joint portion (731), and, described first joint portion (731) is connected on described support portion (2), and described second joint portion (732) is connected on corresponding described split part (3).
8. the leg of construction machinery and equipment according to claim 7, is characterized in that, (1) offers drain gutter to described base plate.
9. a construction machinery and equipment, is characterized in that, this project machinery comprises the leg according to any one of claim 1-8;
Wherein, the Vertical Cylinders (4) of described construction machinery and equipment is removably connected with described support portion (2).
10. construction machinery and equipment according to claim 9, it is characterized in that, the piston rod of described Vertical Cylinders (4) is removably connected by latch with described support portion (2), and the end of described latch is provided with the spring pin moved axially for limiting described latch; And
Described construction machinery and equipment also comprises cable (5), and is arranged on the handle (6) for carrying on described base plate (1);
Wherein, one end of described cable (5) connects described handle (6), and the other end connects described latch and spring pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310070756.9A CN103112788B (en) | 2013-03-06 | 2013-03-06 | Stand bar of engineering machinery and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310070756.9A CN103112788B (en) | 2013-03-06 | 2013-03-06 | Stand bar of engineering machinery and engineering machinery |
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| Publication Number | Publication Date |
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| CN103112788A CN103112788A (en) | 2013-05-22 |
| CN103112788B true CN103112788B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310070756.9A Active CN103112788B (en) | 2013-03-06 | 2013-03-06 | Stand bar of engineering machinery and engineering machinery |
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| CN (1) | CN103112788B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2532437B (en) * | 2014-11-18 | 2018-12-19 | Charles Leicester Gordon | Stabiliser |
| CN106516994A (en) * | 2016-11-13 | 2017-03-22 | 无锡晟欧船舶设备有限公司 | Adjustable mobile rubbish crane |
| CN111606222B (en) * | 2020-05-19 | 2022-03-22 | 河南工业职业技术学院 | Combined telescopic arm system and engineering machinery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201882815U (en) * | 2010-10-25 | 2011-06-29 | 徐州重型机械有限公司 | Elevator boom and self disassembling and assembling device thereof |
| CN202201628U (en) * | 2011-07-07 | 2012-04-25 | 中联重科股份有限公司 | Engineering machinery and support foot plate thereof |
| CN102491201A (en) * | 2011-12-05 | 2012-06-13 | 中联重科股份有限公司 | Support leg disc, support device and engineering vehicle |
| CN202643175U (en) * | 2012-05-02 | 2013-01-02 | 湖北省输变电工程公司 | Movable base for support leg of tyre crane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120069032A (en) * | 2010-12-20 | 2012-06-28 | 권오준 | Multi-function lift |
-
2013
- 2013-03-06 CN CN201310070756.9A patent/CN103112788B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201882815U (en) * | 2010-10-25 | 2011-06-29 | 徐州重型机械有限公司 | Elevator boom and self disassembling and assembling device thereof |
| CN202201628U (en) * | 2011-07-07 | 2012-04-25 | 中联重科股份有限公司 | Engineering machinery and support foot plate thereof |
| CN102491201A (en) * | 2011-12-05 | 2012-06-13 | 中联重科股份有限公司 | Support leg disc, support device and engineering vehicle |
| CN202643175U (en) * | 2012-05-02 | 2013-01-02 | 湖北省输变电工程公司 | Movable base for support leg of tyre crane |
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| CN103112788A (en) | 2013-05-22 |
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