CN102556010B - Engineering machinery vehicle and landing leg thereof - Google Patents
Engineering machinery vehicle and landing leg thereof Download PDFInfo
- Publication number
- CN102556010B CN102556010B CN201110433783.9A CN201110433783A CN102556010B CN 102556010 B CN102556010 B CN 102556010B CN 201110433783 A CN201110433783 A CN 201110433783A CN 102556010 B CN102556010 B CN 102556010B
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- main body
- upper plate
- plate portion
- board unit
- lower board
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- 238000003466 welding Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an engineering machinery vehicle and a supporting leg thereof. The leg includes a first splice body and a second splice body. The first splicing main body is of a U-shaped structure with an opening facing the horizontal direction, and further comprises a first upper plate part, a first side part and a first lower plate part; the second splicing main body is fixedly connected with the first splicing main body and seals the opening of the U-shaped structure of the first splicing main body. Through the mode, the efficiency of producing the supporting leg of the engineering machinery vehicle can be improved, the processing universality of the supporting leg is improved, and the bearing capacity of the supporting leg is improved.
Description
Technical field
The present invention relates to mechanical engineering field, particularly relate to a kind of engineering machinery vehicle and supporting leg thereof.
Background technology
Refer to Fig. 1, Fig. 1 be in prior art engineering machinery vehicle as the schematic cross-section of the supporting leg 10 of hoisting crane.The supporting leg of hoisting crane is mainly made up of upper plate 11, lower shoe 13, left side board 14 and right side board 12.The cross section of crane support is rectangle.Black part in figure divides weld seam when representing sheet material connection.As we can see from the figure, the supporting leg producing hoisting crane needs the weld seam of welding to have eight places, reduces the efficiency of production operation.Meanwhile, the supporting leg of hoisting crane need be made up of four blocks of sheet materials, and processing commonality is bad.Further, the supporting leg weight capacity of hoisting crane is not strong, can not meet the performance requirement in present market.
Therefore, need to provide a kind of engineering machinery vehicle and supporting leg thereof, to solve the above-mentioned technical matters caused by the structure of the supporting leg of engineering machinery vehicle in prior art.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of engineering machinery vehicle and supporting leg thereof, can solve the problem that efficiency is on the low side, processing commonality is bad of the supporting leg of the production engineering motor vehicles and machines caused by the structure of the supporting leg of engineering machinery vehicle in prior art.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the supporting leg providing a kind of engineering machinery vehicle, and supporting leg comprises the first splicing main body and the second splicing main body.First splicing main body is opening U-shaped structure in the horizontal direction, it comprises the first upper plate portion, the first sidepiece and the first lower board unit further, first sidepiece connects the first upper plate portion and the first lower board unit, and the first upper plate portion, the first sidepiece and the first lower board unit are one-body molded, second splicing main body comprises the second upper plate portion, second sidepiece and the second lower board unit, second splicing main body is opening U-shaped structure in the horizontal direction, second sidepiece connects the second upper plate portion and the second lower board unit, second upper plate portion, second sidepiece and the second lower board unit one-body molded, second splicing main body and first is spliced main body and is fixedly connected with, and close the opening of the U-shaped structure of the first splicing main body, wherein, the inner side of the fixed end of the first upper plate portion is connected with the free end of the second upper plate portion, the free end of the first upper plate portion is connected with the outside of the fixed end of the second upper plate portion, the inner side of the fixed end of the first lower board unit is connected with the free end of the second lower board unit, the free end of the first lower board unit is connected with the outside of the fixed end of the second lower board unit.
Wherein, the first splicing main body and the second splicing main body are steel plate or iron plate.
Wherein, the first splicing main body and second is spliced main body and is fixedly connected with by the mode of rivet or laser welding.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of engineering machinery vehicle, and this project motor vehicles and machines comprise the supporting leg of above-mentioned engineering machinery vehicle.
The invention has the beneficial effects as follows: the situation being different from prior art, engineering machinery vehicle of the present invention and supporting leg thereof are by adopting opening U-shaped structures to form main body in the horizontal direction, the number of times of the required welding of supporting leg of production engineering motor vehicles and machines can be reduced, improve the supporting leg efficiency of production engineering motor vehicles and machines, and, two boards material is only needed to be spliced to form, improve processing commonality, simultaneously, because the thickness of upper plate and lower shoe adds one times, therefore its weight capacity have also been obtained lifting.
Accompanying drawing explanation
Fig. 1 be in prior art engineering machinery vehicle as the schematic cross-section of the supporting leg of hoisting crane;
Fig. 2 is the schematic cross-section of the supporting leg of first embodiment of the invention engineering machinery vehicle;
Fig. 3 is the schematic cross-section of the supporting leg of second embodiment of the invention engineering machinery vehicle;
Fig. 4 is the schematic cross-section of the supporting leg of third embodiment of the invention engineering machinery vehicle.
Detailed description of the invention
Refer to Fig. 2, Fig. 2 is the schematic cross-section of the supporting leg 20 of first embodiment of the invention engineering machinery vehicle.As shown in Figure 2, the supporting leg 20 of engineering machinery vehicle comprises the first splicing main body and the second splicing main body.First splicing main body comprises the first upper plate portion 21, first sidepiece 22 and the first lower board unit 23.Second splicing main body comprises the second upper plate portion 24, second sidepiece 25 and the second lower board unit 26.First splicing main body and the second splicing main body are opening U-shaped structure in the horizontal direction.
Wherein, the first upper plate portion 21, first sidepiece 22 and the first lower board unit 23 one-body molded, the second upper plate portion 24, second sidepiece 25 and the second lower board unit 26 one-body molded.
First splicing main body and second splice main body when splice, and second splices main body the closed first opening splicing the U-shaped structure of main body completely just.First upper plate portion 21 and the second upper plate portion 24 fit tightly, and the first lower board unit 23 and the second lower board unit 26 fit tightly.In figure, the part of black represents that the first splicing main body and second splices the weld seam welded after main body is spliced.Here need the place of welding total everywhere, comprising: the junction in the outside of the fixed end of the junction in the outside of the free end of the first upper plate portion 21 and the fixed end of the second upper plate portion 24, the inner side of the fixed end of the first upper plate portion 21 and the junction of the free end of the second upper plate portion 24, the inner side of the fixed end of the first lower board unit 23 and the junction of the free end of the second lower board unit 26 and the free end of the first lower board unit 23 and the second lower board unit 26.Here need the place of welding fewer than prior art one times, drastically increase the efficiency of production operation.Meanwhile, the upper plate portion of supporting leg and the Thickness Ratio prior art of lower board unit add one times, improve the weight capacity of the supporting leg of engineering machinery vehicle.
Refer to Fig. 3, Fig. 3 is the schematic cross-section of the supporting leg 30 of second embodiment of the invention engineering machinery vehicle.As shown in Figure 3, the supporting leg 30 of engineering machinery vehicle comprises the first splicing main body and the second splicing main body.First splicing main body comprises the first upper plate portion 31, first sidepiece 32 and the first lower board unit 33.Second splicing main body comprises the second upper plate portion 34, second sidepiece 35 and the second lower board unit 36.The present embodiment and the first embodiment unlike, the second upper plate portion 34 fits tightly with the first upper plate portion 31 above the first upper plate portion 31.Here need the place of welding also to only have everywhere, comprising: the junction in the junction in the outside of the free end of the second upper plate portion 34 and the fixed end of the first upper plate portion 31, the inner side of the fixed end of the second upper plate portion 34 and the junction of the free end of the first upper plate portion 31, the free end of the second lower board unit 36 and the junction of inner side of fixed end of the first lower board unit 33 and the outside of the fixed end of the free end of the first lower board unit 33 and the second lower board unit 36.
When the cross section of the supporting leg of engineering machinery vehicle is stressed concentrate on upper plate portion and lower board unit time, preferentially adopt first, second embodiment.
Refer to Fig. 4, Fig. 4 is the schematic cross-section of the supporting leg 40 of third embodiment of the invention engineering machinery vehicle.As shown in Figure 4, the supporting leg 40 of engineering machinery vehicle comprises the first splicing main body and the second splicing main body.First splicing main body comprises the first upper plate portion 41, first sidepiece 42 and the first lower board unit 43.Second splicing main body is long straight plate 44.Long straight plate 44 is just completely closed for the opening of the U-shaped structure of the first splicing main body.The upper end of long straight plate 44 is connected with the free end of the first upper plate portion 41, and the lower end of long straight plate 44 is connected with the free end of the first lower board unit 43.In figure, the part of black represents the weld seam welded after the first splicing main body is spliced with long straight plate.Here need the place of welding total everywhere, comprising: the outside of the inner side of junction of the outside of junction of the free end of the first upper plate portion 41 and the inner side of junction of the upper end of long straight plate 44, the free end of the first upper plate portion 41 and the upper end of long straight plate 44, the free end of the first lower board unit 43 and the lower end of long straight plate 44 and the free end of the first lower board unit 43 and the junction of the lower end of long straight plate 44.When the upper plate portion in the cross section of the supporting leg of engineering machinery vehicle, lower board unit and sidepiece the same by force intensity time, preferentially adopt the 3rd embodiment.
In addition, in above-described embodiment, the junction of first, second splicing upper plate portion of main body and the junction of sidepiece and lower board unit and sidepiece all have passed through the process of bending technique, makes the structure of the supporting leg of engineering machinery vehicle more firm.
In above-described embodiment, the first splicing main body and second is spliced main body and is fixedly connected with by the mode such as rivet or laser welding.First splicing main body and the second splicing main body adopt the metal plate such as steel plate or iron plate.
Invention further provides a kind of engineering machinery vehicle comprising the supporting leg of above-mentioned engineering machinery vehicle.
By the way, engineering machinery vehicle of the present invention and supporting leg thereof are owing to have employed opening U-shaped structures to form main body in the horizontal direction, the efficiency of the supporting leg of production engineering motor vehicles and machines can be improved, and improve its processing commonality and improve its weight capacity.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (2)
1. a supporting leg for engineering machinery vehicle, is characterized in that, described supporting leg comprises:
First splicing main body, described first splicing main body is opening U-shaped structure in the horizontal direction, described first splicing main body comprises the first upper plate portion, the first sidepiece and the first lower board unit, described first sidepiece connects described first upper plate portion and described first lower board unit, and described first upper plate portion, described first sidepiece and described first lower board unit are one-body molded; And
Second splicing main body, described second splicing main body comprises the second upper plate portion, the second sidepiece and the second lower board unit, described second splicing main body is opening U-shaped structure in the horizontal direction, described second sidepiece connects described second upper plate portion and described second lower board unit, described second upper plate portion, described second sidepiece and described second lower board unit are one-body molded, described second splicing main body and described first is spliced main body and is fixedly connected with, and closes the opening of the described U-shaped structure of described first splicing main body;
Wherein, described first upper plate portion and described second upper plate portion laminating, described first lower board unit and described second lower board unit laminating, be connected with the free end of described second upper plate portion by the inner side of the fixed end of described first upper plate portion, the free end of described first upper plate portion is connected with the outside of the fixed end of described second upper plate portion, the inner side of the fixed end of described first lower board unit is connected with the free end of described second lower board unit, the free end of described first lower board unit is connected with the outside of the fixed end of described second lower board unit increase the weight capacity of described supporting leg and improve the processing commonality of described supporting leg,
Described first splicing main body and described second splicing main body are steel plate or iron plate, and described first splicing main body and described second is spliced main body and is fixedly connected with by the mode of rivet or laser welding.
2. an engineering machinery vehicle, is characterized in that, described engineering machinery vehicle comprises the supporting leg of engineering machinery vehicle according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433783.9A CN102556010B (en) | 2011-12-21 | 2011-12-21 | Engineering machinery vehicle and landing leg thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110433783.9A CN102556010B (en) | 2011-12-21 | 2011-12-21 | Engineering machinery vehicle and landing leg thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102556010A CN102556010A (en) | 2012-07-11 |
| CN102556010B true CN102556010B (en) | 2015-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110433783.9A Active CN102556010B (en) | 2011-12-21 | 2011-12-21 | Engineering machinery vehicle and landing leg thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102556010B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307896A (en) * | 1979-12-10 | 1981-12-29 | Dayton-Walther Corporation | Semi-trailer landing gear |
| US6267357B1 (en) * | 2000-02-10 | 2001-07-31 | Fulton Performance Products, Inc. | Drop foot jack |
| EP1595761A1 (en) * | 2004-05-11 | 2005-11-16 | Georg Fischer Verkehrstechnik GmbH | Height adjustable support for semitrailers or the like |
| CN201325438Y (en) * | 2008-12-30 | 2009-10-14 | 三一重工股份有限公司 | Outrigger structure and vehicle or equipment with same |
| CN201703436U (en) * | 2010-01-22 | 2011-01-12 | 徐工集团工程机械股份有限公司建设机械分公司 | Truck frame of dragging type concrete pump truck and dragging type concrete pump truck |
| CN202368547U (en) * | 2011-12-21 | 2012-08-08 | 中联重科股份有限公司 | Engineering machinery vehicle and landing leg thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005034555B4 (en) * | 2005-07-23 | 2008-08-21 | Jost-Werke Gmbh | support jack |
-
2011
- 2011-12-21 CN CN201110433783.9A patent/CN102556010B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307896A (en) * | 1979-12-10 | 1981-12-29 | Dayton-Walther Corporation | Semi-trailer landing gear |
| US6267357B1 (en) * | 2000-02-10 | 2001-07-31 | Fulton Performance Products, Inc. | Drop foot jack |
| EP1595761A1 (en) * | 2004-05-11 | 2005-11-16 | Georg Fischer Verkehrstechnik GmbH | Height adjustable support for semitrailers or the like |
| CN201325438Y (en) * | 2008-12-30 | 2009-10-14 | 三一重工股份有限公司 | Outrigger structure and vehicle or equipment with same |
| CN201703436U (en) * | 2010-01-22 | 2011-01-12 | 徐工集团工程机械股份有限公司建设机械分公司 | Truck frame of dragging type concrete pump truck and dragging type concrete pump truck |
| CN202368547U (en) * | 2011-12-21 | 2012-08-08 | 中联重科股份有限公司 | Engineering machinery vehicle and landing leg thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102556010A (en) | 2012-07-11 |
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