CN202368547U - Construction machinery vehicle and supporting leg thereof - Google Patents
Construction machinery vehicle and supporting leg thereof Download PDFInfo
- Publication number
- CN202368547U CN202368547U CN2011205404041U CN201120540404U CN202368547U CN 202368547 U CN202368547 U CN 202368547U CN 2011205404041 U CN2011205404041 U CN 2011205404041U CN 201120540404 U CN201120540404 U CN 201120540404U CN 202368547 U CN202368547 U CN 202368547U
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- main body
- supporting leg
- splicing main
- upper plate
- plate portion
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Abstract
The utility model discloses a construction machinery vehicle and a supporting leg thereof. The supporting leg comprises a first splicing main body and a second splicing main body, wherein the first splicing main body adopts a U-shaped structure with an opening facing the horizontal direction, and comprises a first upper plate part, a first side part and a first lower plate part; and 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 adoption of the structure, the production efficiency, the processing universality and the bearing capacity of the supporting leg of the construction machinery vehicle can be improved.
Description
Technical field
The utility model relates to mechanical engineering field, particularly relates to a kind of engineering machinery vehicle and supporting leg thereof.
Background technology
See also Fig. 1, Fig. 1 is the schematic cross-section of the supporting leg 10 of engineering machinery vehicle such as hoisting crane in the prior art.The supporting leg of hoisting crane mainly is made up of upper plate 11, lower shoe 13, left side board 14 and right side board 12.The cross section of hoisting crane supporting leg is rectangle.Weld seam when the black part among the figure divides expression sheet material to connect.Can see that from figure the weld seam that the supporting leg of production hoisting crane need weld has eight places, has reduced the efficient of production operation.Simultaneously, the supporting leg of hoisting crane needs to be made up of four blocks of sheet materials, and the processing commonality is bad.And the supporting leg weight capacity of hoisting crane is not strong, can not satisfy the performance requirement in present market.
Therefore, a kind of engineering machinery vehicle and supporting leg thereof need be provided, to solve the caused above-mentioned technical matters of structure by the supporting leg of engineering machinery vehicle in the prior art.
The utility model content
The technical matters that the utility model mainly solves provides a kind of engineering machinery vehicle and supporting leg thereof, can solve on the low side, the bad problem of processing commonality of efficient by the supporting leg of the caused production engineering motor vehicles and machines of structure of the supporting leg of engineering machinery vehicle in the prior art.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of supporting leg of engineering machinery vehicle is provided, and supporting leg comprises the first splicing main body and the second splicing main body.The first splicing main body is the U type structure of opening towards horizontal direction, and it further comprises first upper plate portion, first sidepiece and first lower board unit; The second splicing main body is captiveed joint with the first splicing main body, and seals the opening of the U type structure of the first splicing main body.
Wherein, the second splicing main body comprises second upper plate portion, second sidepiece and second lower board unit, and the second splicing main body is the U type structure of opening towards horizontal direction.
Wherein, second sidepiece connects second upper plate portion and second lower board unit, and second upper plate portion, second sidepiece and second lower board unit are one-body molded.
Wherein, first sidepiece connects first upper plate portion and first lower board unit, and first upper plate portion, first sidepiece and first lower board unit are one-body molded.
Wherein, the fixed end of first upper plate portion is connected with the free end of second upper plate portion, and the fixed end of first lower board unit is connected with the free end of second lower board unit.
Wherein, the second splicing main body is long straight plate, and the upper end of long straight plate is connected with the free end of first upper plate portion, and the lower end of long straight plate is connected with the free end of first 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 is captiveed joint through the mode of rivet or laser welding with the second splicing main body.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of engineering machinery vehicle is provided, and this project motor vehicles and machines comprise the supporting leg of above-mentioned engineering machinery vehicle.
The beneficial effect of the utility model is: the situation that is different from prior art; Engineering machinery vehicle of the utility model and supporting leg thereof can reduce the number of times of the required welding of supporting leg of production engineering motor vehicles and machines through adopting the U type structures to form main body of opening towards horizontal direction, have improved the supporting leg efficient of production engineering motor vehicles and machines; And; Only need the two boards material to be spliced to form, improved the processing commonality, simultaneously; Because the thickness of upper plate and lower shoe has increased by one times, so its weight capacity also is improved.
Description of drawings
Fig. 1 is the schematic cross-section of the supporting leg of engineering machinery vehicle such as hoisting crane in the prior art;
Fig. 2 is the schematic cross-section of the supporting leg of the utility model first embodiment engineering machinery vehicle;
Fig. 3 is the schematic cross-section of the supporting leg of the utility model second embodiment engineering machinery vehicle;
Fig. 4 is the schematic cross-section of the supporting leg of the utility model the 3rd embodiment engineering machinery vehicle.
The specific embodiment
See also Fig. 2, Fig. 2 is the schematic cross-section of the supporting leg 20 of the utility model first embodiment 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.The first splicing main body comprises first upper plate portion 21, first sidepiece 22 and first lower board unit 23.The second splicing main body comprises second upper plate portion 24, second sidepiece 25 and second lower board unit 26.The first splicing main body and the second splicing main body are the U type structure of opening towards horizontal direction.
Wherein, first upper plate portion 21, first sidepiece 22 and first lower board unit 23 are one-body molded, and second upper plate portion 24, second sidepiece 25 and second lower board unit 26 are one-body molded.
When the first splicing main body and the second splicing main body splicing, the opening of the U type structure of the lucky complete closed first splicing main body of the second splicing main body.First upper plate portion 21 and second upper plate portion 24 fit tightly, and first lower board unit 23 and second lower board unit 26 fit tightly.The part of black is represented the weld seam that the first splicing main body and the second splicing main body splicing back are welded among the figure.Here the place that need weld is total everywhere, comprising: the junction in the outside of the free end of the inboard of the fixed end of the inboard of the junction in the outside of the fixed end of the free end of first upper plate portion 21 and second upper plate portion 24, the fixed end of first upper plate portion 21 and the free-ended junction of second upper plate portion 24, first lower board unit 23 and the free-ended junction of second lower board unit 26 and first lower board unit 23 and the fixed end of second lower board unit 26.Here the place that need weld has been lacked one times than prior art, has greatly improved the efficient of production operation.Simultaneously, the upper plate portion of supporting leg and the thickness of lower board unit have increased by one times than prior art, have improved the weight capacity of the supporting leg of engineering machinery vehicle.
See also Fig. 3, Fig. 3 is the schematic cross-section of the supporting leg 30 of the utility model second embodiment 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.The first splicing main body comprises first upper plate portion 31, first sidepiece 32 and first lower board unit 33.The second splicing main body comprises second upper plate portion 34, second sidepiece 35 and second lower board unit 36.What present embodiment was different with first embodiment is that second upper plate portion 34 fits tightly with first upper plate portion 31 above first upper plate portion 31.Here the place that need weld also has only everywhere, comprising: the junction in the outside of the fixed end of the junction of the inboard of the free end of the inboard of the junction in the outside of the fixed end of the free end of second upper plate portion 34 and first upper plate portion 31, the fixed end of second upper plate portion 34 and the free-ended junction of first upper plate portion 31, second lower board unit 36 and the fixed end of first lower board unit 33 and the free end of first lower board unit 33 and second lower board unit 36.
When the cross section of the supporting leg of engineering machinery vehicle is stressed when concentrating on upper plate portion and lower board unit, preferentially adopt first, second embodiment.
See also Fig. 4, Fig. 4 is the schematic cross-section of the supporting leg 40 of the utility model the 3rd embodiment 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.The first splicing main body comprises first upper plate portion 41, first sidepiece 42 and first lower board unit 43.The second splicing main body is long straight plate 44.Long straight plate 44 is just the opening complete closed of the U type structure of the first splicing main body.The upper end of long straight plate 44 is connected with the free end of first upper plate portion 41, and the lower end of long straight plate 44 is connected with the free end of first lower board unit 43.The part of black is represented the weld seam that the first splicing main body and long straight plate splicing back are welded among the figure.Here the place that need weld is total everywhere, comprising: the free end of first upper plate portion 41 and the inboard of the junction of the upper end of long straight plate 44, free end and the outside of the junction of the upper end of long straight plate 44, free end and the free end of inboard and first lower board unit 43 of the junction of the lower end of long straight plate 44 and the outside of the junction of the lower end of long straight plate 44 of first lower board unit 43 of first upper plate portion 41.When upper plate portion, lower board unit and the sidepiece in the cross section of the supporting leg of engineering machinery vehicle receive force intensity the same the time, preferentially adopt the 3rd embodiment.
In addition, in the foregoing description, the processing of bending technique has all been passed through in the junction of upper plate portion and the sidepiece of first, second splicing main body and the junction of lower board unit and sidepiece, makes the structure of supporting leg of engineering machinery vehicle more firm.
In the foregoing description, the first splicing main body is captiveed joint through modes such as rivet or laser welding with the second splicing main body.The first splicing main body and the second splicing main body adopt metal plates such as steel plate or iron plate.
The utility model further provides a kind of engineering machinery vehicle that comprises the supporting leg of above-mentioned engineering machinery vehicle.
By the way; The utility model engineering machinery vehicle and supporting leg thereof are owing to adopted the U type structures to form main body of opening towards horizontal direction; Can improve the efficient of the supporting leg of production engineering motor vehicles and machines, and improve its processing commonality and promoted its weight capacity.
The above is merely the embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (9)
1. the supporting leg of an engineering machinery vehicle is characterized in that, said supporting leg comprises:
The first splicing main body, the said first splicing main body is the U type structure of opening towards horizontal direction, the said first splicing main body comprises first upper plate portion, first sidepiece and first lower board unit; And
The second splicing main body, the said second splicing main body is captiveed joint with the said first splicing main body, and seals the opening of the said U type structure of the said first splicing main body.
2. supporting leg according to claim 1 is characterized in that, the said second splicing main body comprises second upper plate portion, second sidepiece and second lower board unit, and the said second splicing main body is the U type structure of opening towards horizontal direction.
3. supporting leg according to claim 2 is characterized in that, said second sidepiece connects said second upper plate portion and said second lower board unit, and said second upper plate portion, said second sidepiece and said second lower board unit are one-body molded.
4. supporting leg according to claim 1 is characterized in that, said first sidepiece connects said first upper plate portion and said first lower board unit, and said first upper plate portion, said first sidepiece and said first lower board unit are one-body molded.
5. supporting leg according to claim 3; It is characterized in that; The fixed end of said first upper plate portion is connected with the free end of said second upper plate portion; The free end of said first upper plate portion is connected with the fixed end of said second upper plate portion, and the fixed end of said first lower board unit is connected with the free end of said second lower board unit, and the free end of said first lower board unit is connected with the fixed end of said second lower board unit.
6. supporting leg according to claim 1 is characterized in that, the said second splicing main body is long straight plate, and the upper end of the straight plate of said length is connected with the free end of said first upper plate portion, and the lower end of the straight plate of said length is connected with the free end of said first lower board unit.
7. supporting leg according to claim 1 is characterized in that, said first splicing main body and the said second splicing main body are steel plate or iron plate.
8. according to any described supporting leg of claim 1 to 7, it is characterized in that the said first splicing main body is captiveed joint through the mode of rivet or laser welding with the said second splicing main body.
9. an engineering machinery vehicle is characterized in that, said engineering machinery vehicle comprises the supporting leg according to any described engineering machinery vehicle of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205404041U CN202368547U (en) | 2011-12-21 | 2011-12-21 | Construction machinery vehicle and supporting leg thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205404041U CN202368547U (en) | 2011-12-21 | 2011-12-21 | Construction machinery vehicle and supporting leg thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202368547U true CN202368547U (en) | 2012-08-08 |
Family
ID=46592263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205404041U Expired - Fee Related CN202368547U (en) | 2011-12-21 | 2011-12-21 | Construction machinery vehicle and supporting leg thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202368547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556010A (en) * | 2011-12-21 | 2012-07-11 | 中联重科股份有限公司 | Engineering machinery vehicle and supporting leg of engineering machinery vehicle |
-
2011
- 2011-12-21 CN CN2011205404041U patent/CN202368547U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556010A (en) * | 2011-12-21 | 2012-07-11 | 中联重科股份有限公司 | Engineering machinery vehicle and supporting leg of engineering machinery vehicle |
| CN102556010B (en) * | 2011-12-21 | 2015-02-11 | 中联重科股份有限公司 | Engineering machinery vehicle and supporting leg of engineering machinery vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20161221 |