CN217921192U - Frame and crane - Google Patents
Frame and crane Download PDFInfo
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- CN217921192U CN217921192U CN202221661150.3U CN202221661150U CN217921192U CN 217921192 U CN217921192 U CN 217921192U CN 202221661150 U CN202221661150 U CN 202221661150U CN 217921192 U CN217921192 U CN 217921192U
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Abstract
The utility model belongs to the technical field of engineering machinery, in particular to a frame and a crane, wherein the frame comprises an upper cover plate, a first web plate, a second web plate, a bottom plate, a sealing plate and a rotary seat ring; the upper cover plate comprises a first connecting part in a circular ring shape; the rotary seat ring is fixed on the first connecting part; the first web plate is cylindrical, the lower end face of the first web plate is fixedly connected with the bottom plate, and the upper end face of the first web plate is fixedly connected with the first connecting part; the lower part of the second web plate is fixedly connected with the bottom plate, the upper part of the second web plate is fixedly connected with the upper cover plate, one end of the second web plate is fixedly connected with the first web plate, and the other end of the second web plate is fixedly connected with the sealing plate; the first web plate and the second web plate are equal in height; the closing plate is connected with the upper cover plate and the bottom plate. The utility model discloses adopt the first web of cylinder around the gyration seat circle, can strengthen near whole gyration seat circle anti deformability and anti bucking ability, the first web of cylinder still is convenient for install first hinge point mechanism simultaneously, can reduce the problem of the stress concentration of hinge point department.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to frame and hoist.
Background
The wheel crane is not only a road vehicle, but also a hoisting tool. The frame is the main stressed part when the vehicle is used for hoisting, and at the same time, the frame is used as the framework of the whole crane chassis, supports and connects the chassis and the relevant parts of the upper vehicle, and ensures that the chassis and the relevant parts of the upper vehicle can keep enough arrangement space and correct relative positions. Therefore, in running and operation, the frame has enough strength and rigidity, and the frame has important significance for normal work and safe running of the whole vehicle. The reasonable design of the crane frame structure has important significance for improving the stress condition of the frame, reducing the self weight of the crane, improving the performance of the whole crane, saving steel and improving the reliability of the crane.
The crane product with medium or small tonnage in the industry adopts a frame structure as shown in figure 1, and generally comprises a frame 2' and supporting legs (a swing supporting leg 1 or a fixed supporting leg 3). The frame structure 2' mainly comprises a box-shaped structure consisting of a cover plate, a rotary seat ring, web plates, a bottom plate, a reinforcing plate below the seat ring, an internal partition plate and the like, and is characterized in that the two web plates penetrate through the whole box shape, and the reinforcing plate is arranged below the seat ring. The stress and deformation of the frame are not uniformly distributed, and the stress and deformation are maximum near the rotary seat ring and gradually reduced towards two sides on the whole. Two webs among the prior art run through whole box, so need arrange little box structure and reinforcing plate in seat circle below to bear near great stress and the deformation of seat circle, according to the stress analysis, stress concentration appears easily in little box structure and the reinforcing plate of seat circle below. In addition, most X-leg type frames need to arrange the positions of the hinge points of partial frames below the seat ring, so that the positions of the small box type and the hinge points are overlapped, the structure is difficult to realize, and stress concentration is easy to generate.
SUMMERY OF THE UTILITY MODEL
For solving prior art's is not enough, the utility model provides a frame adopts the first web of cylinder around the seat circle of gyration, can strengthen near whole seat circle of gyration resistance to deformation ability and anti bucking ability, and the first web of cylinder still is convenient for install first hinge point mechanism simultaneously, reduces stress concentration's problem.
Another object of the utility model is to provide a crane, its frame adopts the first web of cylinder, can strengthen near the resistance to deformation ability and the anti bucking ability of whole gyration seat circle, and the first web of cylinder still is convenient for install first hinge point mechanism simultaneously, reduces stress concentration's problem.
For solving the not enough of prior art, the utility model provides a technical scheme does:
a frame comprises an upper cover plate, a first web plate, a second web plate, a bottom plate, a sealing plate and a rotary seat ring;
the upper cover plate comprises a first connecting part in a circular ring shape;
the rotary seat ring is fixed on the first connecting part;
the first web plate is cylindrical, the lower end face of the first web plate is fixedly connected with the bottom plate, and the upper end face of the first web plate is fixedly connected with the first connecting part;
the lower part of the second web plate is fixedly connected with the bottom plate, the upper part of the second web plate is fixedly connected with the upper cover plate, one end of the second web plate is fixedly connected with the first web plate, and the other end of the second web plate is fixedly connected with the sealing plate;
the first web plate and the second web plate are equal in height;
the closing plate is connected with the upper cover plate and the bottom plate.
Preferably, one side of the first web plate is connected with the second web plate, and the other side of the first web plate is connected with a first hinge point mechanism.
Preferably, two groups of the first hinge point mechanisms are symmetrically arranged;
each group of first hinge point mechanisms comprises a hinge point upper sealing plate, two hinge point vertical plates I, two hinge point vertical plates II, a hinge point upper cover plate, a hinge point lower bottom plate and a hinge point circular arc plate;
the inner side of the hinge point upper sealing plate is connected with the outer side of the first connecting part, and an upper hinge point hole I is formed in the outer end of the hinge point upper sealing plate;
the upper end of the hinge point vertical plate II is connected with the hinge point upper sealing plate and the first connecting part, the inner side of the hinge point vertical plate II is connected with the outer side of the first web plate, and the lower part of the hinge point vertical plate II is connected with the hinge point upper cover plate;
the inner side of the hinge point upper cover plate is connected with the outer side of the first web plate, and the outer end of the hinge point upper cover plate is provided with an upper hinge point hole II;
the upper end of the hinge point vertical plate I is connected with the hinge point upper cover plate, the inner side of the hinge point vertical plate I is connected with the outer side of the first web plate, the outer side of the hinge point vertical plate I is connected with the side edge of the hinge point arc plate, and the lower side of the hinge point vertical plate I is connected with the hinge point lower bottom plate;
the hinge point arc plate is equal to the hinge point vertical plate I in height, the upper end of the hinge point arc plate is connected with the hinge point upper cover plate, and the lower end of the hinge point arc plate is connected with the hinge point lower bottom plate;
the inner side of the lower base plate of the hinge point is connected with the base plate, and the outer end of the lower base plate of the hinge point is provided with a lower hinge point hole;
the upper hinge point hole I, the upper hinge point hole II and the lower hinge point hole are positioned on the outer side of the hinge point circular arc plate.
Preferably, the bottom plate comprises a first bearing part and a second bearing part; the upper part of the first bearing part is connected with the first web plate, and the first bearing part is integrally circular and provided with a notch;
the hinge point lower bottom plate is connected with the notch of the first supporting part and fixed below the first web plate and the hinge point vertical plate I;
the upper part of the second supporting part is connected with the second web plate, and the outer end of the second supporting part is connected with the sealing plate.
Preferably, both sides of the first web are connected with the end of the second web.
Preferably, the outer end of the second web is connected with a first hinge point mechanism or a fixed leg.
Preferably, the upper cover plate comprises a first cover plate and a second cover plate;
the first cover plate comprises a second connecting part and a first connecting part;
one end of the second cover plate is connected with the second connecting part, and the other end of the second cover plate is connected with the sealing plate;
and the upper part of the second web plate is connected with the second cover plate and the second connecting part.
Preferably, the first cover plate has a thickness greater than that of the second cover plate.
Preferably, the first web plate is made of a bent plate by tailor welding.
A crane comprises the frame.
The utility model has the advantages that:
1) The utility model adopts the cylindrical first web plate around the rotary seat ring, and simultaneously, the corresponding upper cover plate is arranged according to the cylindrical first web plate, so that the deformation resistance and the buckling resistance near the whole rotary seat ring can be enhanced; meanwhile, the cylindrical first web plate is convenient for mounting a hinge point, so that the problem of stress concentration is reduced;
2) The first hinge point mechanism provided by the utility model has the advantages of simple structure, convenient welding, less welding defects, and reduced stress concentration due to direct connection with the first web plate;
3) The cylindrical first web plate and the first hinge point mechanism are more convenient for installing the X-shaped leg with high stability.
Drawings
FIG. 1 (a) is a schematic structural view of a vehicle frame in the prior art;
FIG. 1 (b) is a view taken along line A of FIG. 1 (a);
fig. 2 is a schematic structural view of a frame provided by the present invention;
fig. 3 is a schematic view of a cover plate provided by the present invention;
fig. 4 is a schematic view of a bottom plate provided by the present invention;
fig. 5 is a schematic view of a first hinge point mechanism provided by the present invention;
FIG. 6 is a schematic view of the installation of the first hinge point mechanism;
fig. 7 is a top view of the vehicle frame provided by the present invention in use;
FIG. 8 is a front view of the vehicle frame provided by the present invention in use;
wherein: 1. swinging the support legs; 2. a frame; 2', a frame; 3. fixing the supporting legs; 21. an upper cover plate; 22. a second web; 23. a first web; 24. a base plate; 241. a first bearing part; 242. a second bearing part; 25. a second hinge point mechanism; 26. a first hinge point mechanism; 27. a second hinge point mechanism; 28. a first hinge point mechanism; 211. a first cover plate; 212. a second cover plate; 213. a rotating seat ring; 281. hinging and mounting a sealing plate; 282. a hinged point lower bottom plate; 283. hinging a point vertical plate I; 284. hinging a point vertical plate II; 285. hinging point upper cover plate; 286. a hinged point circular arc plate.
Detailed Description
The present invention will be further described with reference to the following embodiments. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A vehicle frame, see fig. 2 and 3, comprises an upper cover plate 21, a first web plate 23, a second web plate 22, a bottom plate 24, a sealing plate and a rotary seat ring 213; the upper cover plate 21 comprises a first connecting part in the shape of a circular ring; the rotary seat ring is fixed on the first connecting part; the first web plate 23 is cylindrical, the lower end face of the first web plate is fixedly connected with the bottom plate 24, and the upper end face of the first web plate is fixedly connected with the first connecting part; the lower part of the second web plate 22 is fixedly connected with the bottom plate 24, the upper part of the second web plate is fixedly connected with the upper cover plate 21, one end of the second web plate is fixedly connected with the first web plate 23, and the other end of the second web plate is fixedly connected with the sealing plate; the first web 23 and the second web 22 are equal in height; the closing plate is connected with the upper cover plate 21 and the bottom plate 24.
The utility model adopts the cylindrical first web plate around the rotary seat ring, and simultaneously, the corresponding upper cover plate is arranged according to the cylindrical first web plate, so that the deformation resistance and the buckling resistance near the whole rotary seat ring can be enhanced; meanwhile, the cylindrical first web plate is convenient for mounting a hinge point, and the problem of stress concentration at the hinge point is reduced. The upper cover plate, the first web plate, the second web plate, the bottom plate and the sealing plate form a stable box-shaped structure, and an internal partition plate can be arranged during use.
In an alternative embodiment of the present invention, referring to fig. 3 and 6, the upper cover plate 21 comprises a first cover plate 212 and a second cover plate 213; the first cover plate 212 includes a first connecting portion and a second connecting portion; one end of the second cover plate 211 is connected with the second connecting part, and the other end is connected with the sealing plate. The upper part of the second web plate is connected with the second cover plate and the second connecting part. The first cover plate has a thickness greater than that of the second cover plate. The first cover plate and the second cover plate are designed separately while stress and deformation are met, and light weight design can be achieved.
In an alternative embodiment of the present invention, referring to fig. 2 and 6, the first web 23 is connected to the second web 22 on one side and two sets of first hinge point mechanisms are connected to the other side. The first hinge point mechanism 26 and the first hinge point mechanism 28 are symmetrically arranged. Referring to fig. 5 and 6, each group of first hinge point mechanisms 28 includes a hinge point upper closing plate 281, two hinge point vertical plates i 283, two hinge point vertical plates ii 284, a hinge point upper cover plate 285, a hinge point lower bottom plate 282 and a hinge point circular arc plate 286; the inner side of the hinge point upper sealing plate 281 is connected with the outer side of the first connecting part of the first cover plate 212, and an upper hinge point hole I is formed in the outer end of the hinge point upper sealing plate 281; the upper end of the hinge point vertical plate II 284 is connected with the hinge point upper sealing plate 281 and the first connecting part of the first cover plate 212, the inner side of the hinge point vertical plate II is connected with the outer side of the first web plate 23, and the lower part of the hinge point vertical plate II is connected with the hinge point upper cover plate 285; the inner side of the hinge point upper cover plate 285 is connected with the outer side of the first web plate 23, and the outer end of the hinge point upper cover plate is provided with an upper hinge point hole II; the upper end of a hinge point vertical plate I283 is connected with a hinge point upper cover plate 285, the inner side of the hinge point vertical plate I is connected with the outer side of the first web plate 23, the outer side of the hinge point vertical plate I is connected with the side edge of a hinge point circular arc plate 286, and the lower side of the hinge point vertical plate I is connected with a hinge point lower bottom plate 282; the hinge point circular arc plate 286 is as high as the hinge point vertical plate I283, the upper end of the hinge point circular arc plate is connected with the hinge point upper cover plate 285, and the lower end of the hinge point circular arc plate is connected with the hinge point lower bottom plate 282; the inner side of the hinged point lower bottom plate 282 is connected with the bottom plate 24, and the outer end is provided with a lower hinged point hole; the upper hinge point hole I, the upper hinge point hole II and the lower hinge point hole are positioned on the outer side of the hinge point circular arc plate and are concentrically arranged. The first hinge point mechanism has the advantages of simple structure, convenience in welding and few welding defects, and the stress concentration can be reduced by connecting the first hinge point mechanism with the first web plate. In addition, the integral cylindrical first web plate and the rotary seat ring are provided with the first hinge point mechanism, so that the X-shaped structure arrangement is more convenient. K type stability is higher compared to the X type, consequently the utility model provides a frame stability is strong.
In an alternative embodiment of the present invention, referring to fig. 4, the base plate comprises a first bearing portion 241 and a second bearing portion 242; the upper part of the first bearing part is connected with the first web plate, and the first bearing part 241 is integrally circular and provided with a notch; the hinge point lower bottom plate is connected with the notch of the first bearing part and fixed below the first web plate and the hinge point vertical plate I; the upper part of the second bearing part is connected with the second web plate, and the outer end of the second bearing part is connected with the sealing plate. The first web plate, the first cover plate, the first bearing part and the hinged point lower bottom plate jointly form a cylindrical box-shaped structure. The first cover plate, the second web plate and the second bearing part form a square box-shaped structure together. The connection mode of the bottom plate and the hinged point lower bottom plate can facilitate the welding of the hinged point weld joint, avoid the stacking welding with a small box structure below the original seat ring, and reduce the stress concentration.
In an alternative embodiment of the present invention, the outer end of the second web may be connected to the first hinge point mechanism or the fixed leg as required. The first hinge point mechanism, the structure of the fixed leg and the connection manner of the first hinge point mechanism, the fixed leg and the second web are the prior art, and are not described in detail herein. As shown in fig. 2, the outer end of the second web is connected with a second hinge point mechanism 25 and a second hinge point mechanism 27 which are symmetrically arranged. Referring to fig. 7 and 8, the first hinge point mechanism and the second hinge point mechanism are both connected with the swing leg 1, and the swing leg can swing within a certain range.
In other embodiments of the present invention, the first web is not connected to the hinge point structure on both sides, but is connected to the end of the second web. The outer end of the second web plate can be connected with the first hinge point mechanism or the fixed supporting leg according to requirements.
In an alternative embodiment of the present invention, the first web is made by tailor welding of bent plates. Specifically, the first web can be formed by welding two semicircular plates, and the production and the processing are convenient.
The embodiment of the utility model provides a still provide a crane, including aforementioned frame.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A frame is characterized by comprising an upper cover plate, a first web plate, a second web plate, a bottom plate, a sealing plate and a rotary seat ring;
the upper cover plate comprises a first connecting part in a circular ring shape;
the rotary seat ring is fixed on the first connecting part;
the first web plate is cylindrical, the lower end face of the first web plate is fixedly connected with the bottom plate, and the upper end face of the first web plate is fixedly connected with the first connecting part;
the lower part of the second web plate is fixedly connected with the bottom plate, the upper part of the second web plate is fixedly connected with the upper cover plate, one end of the second web plate is fixedly connected with the first web plate, and the other end of the second web plate is fixedly connected with the sealing plate;
the first web plate and the second web plate are equal in height;
the closing plate is connected with the upper cover plate and the bottom plate.
2. A frame as claimed in claim 1, wherein said first web is connected to said second web on one side and to said first hinge point means on the other side.
3. A frame as claimed in claim 2, wherein there are two sets of said first hinge point mechanisms, symmetrically arranged;
each group of first hinge point mechanisms comprises a hinge point upper sealing plate, two hinge point vertical plates I, two hinge point vertical plates II, a hinge point upper cover plate, a hinge point lower bottom plate and a hinge point arc plate;
the inner side of the hinge point upper sealing plate is connected with the outer side of the first connecting part, and an upper hinge point hole I is formed in the outer end of the hinge point upper sealing plate;
the upper end of the hinge point vertical plate II is connected with the hinge point upper sealing plate and the connecting part I, the inner side of the hinge point vertical plate II is connected with the outer side of the first web plate, and the lower part of the hinge point vertical plate II is connected with the hinge point upper cover plate;
the inner side of the hinge point upper cover plate is connected with the outer side of the first web plate, and the outer end of the hinge point upper cover plate is provided with an upper hinge point hole II;
the upper end of the hinge point vertical plate I is connected with the hinge point upper cover plate, the inner side of the hinge point vertical plate I is connected with the outer side of the first web plate, the outer side of the hinge point vertical plate I is connected with the side edge of the hinge point arc plate, and the lower part of the hinge point vertical plate I is connected with the hinge point lower bottom plate;
the hinge point arc plate is equal to the hinge point vertical plate I in height, the upper end of the hinge point arc plate is connected with the hinge point upper cover plate, and the lower end of the hinge point arc plate is connected with the hinge point lower bottom plate;
the inner side of the lower base plate of the hinge point is connected with the base plate, and the outer end of the lower base plate of the hinge point is provided with a lower hinge point hole;
the upper hinge point hole I, the upper hinge point hole II and the lower hinge point hole are positioned on the outer side of the hinge point circular arc plate.
4. A frame as claimed in claim 3, in which the base plate comprises first and second bearers; the upper part of the first bearing part is connected with the first web plate, and the first bearing part is integrally circular and provided with a notch;
the hinge point lower bottom plate is connected with the notch of the first bearing part and fixed below the first web plate and the hinge point vertical plate I;
the upper part of the second supporting part is connected with the second web plate, and the outer end of the second supporting part is connected with the sealing plate.
5. A frame as claimed in claim 1, wherein said first web is connected on both sides to ends of said second web.
6. A frame as claimed in claim 1, wherein the outer end of the second web is connected to the first hinge point means or the fixed leg.
7. A vehicle frame according to claim 1,
the upper cover plate comprises a first cover plate and a second cover plate;
the first cover plate comprises a second connecting part and a first connecting part;
one end of the second cover plate is connected with the second connecting part, and the other end of the second cover plate is connected with the sealing plate;
and the upper part of the second web plate is connected with the second cover plate and the second connecting part.
8. A vehicle frame as claimed in claim 7, wherein said first cover plate is thicker than said second cover plate.
9. A vehicle frame according to claim 1, wherein said first web is tailor welded.
10. A crane comprising a frame as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221661150.3U CN217921192U (en) | 2022-06-30 | 2022-06-30 | Frame and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221661150.3U CN217921192U (en) | 2022-06-30 | 2022-06-30 | Frame and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217921192U true CN217921192U (en) | 2022-11-29 |
Family
ID=84184163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221661150.3U Active CN217921192U (en) | 2022-06-30 | 2022-06-30 | Frame and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217921192U (en) |
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2022
- 2022-06-30 CN CN202221661150.3U patent/CN217921192U/en active Active
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