CN217455511U - Rim structure and engineering machine - Google Patents

Abstract

The utility model discloses a rim structure and engineering machinery, which comprises a retainer ring, a seat ring component, a lock ring and a rim body; the rim body is the syllogic, and the rim body includes left rim body, well rim body, right rim body and rim width plate, left side rim body and rim width plate are connected formula structure as an organic whole, and this integral type structure is located the outside of rim body, and left rim body and well rim body coupling, well rim body and right rim body coupling. The utility model discloses well left side rim body and rim width of cloth adopt integral type forging structure technology, and structural strength is higher, and the atress is more even, has eliminated defects such as welded structure's internal stress, gas pocket, double-layered sediment and microcrack, and the life of rim is longer, and the reliability is higher, with complete machine assembly back, can adapt to more constrictive regional operation, and adaptability is better.

Description

Rim structure and engineering machine

Technical Field

The utility model relates to a rim structure and engineering machine tool belongs to engineering machine tool rim technical field.

Background

The wheel rim web and the wheel rim body of the loader are of a welded structure, and the wheel track of the whole loader can be adjusted by adjusting the distance between the web and the center line so as to meet the driving stability requirement of the loader or the width requirement of the whole loader. In order to meet the width requirement of a whole machine (the customer bidding requirement limits the width of the whole machine to meet the operation requirement of a narrow area), particularly after the whole machine tire is well selected, namely the width of the outer side of the tire cannot exceed a certain value, because the size of the wheel edge of a drive axle matched with a rim is determined and cannot be changed, the width requirement of the whole machine is met by adjusting the rim mainly in the traditional whole machine, namely adjusting the distance between a rim web and the center line of the rim, after the position of the rim web is adjusted, the distance between the web and the center of the rim is a key parameter, in order to ensure the strength reliability of the web, the prior art is to carry out a symmetrical welding process at two ends on the web 2 and a rim body 1 (as shown in figure 1) to meet the requirements of the support strength and the rigidity of the whole rim, and most rims of engineering machinery adopt the structural form.

In a narrower operation area, the distance between the outer side of the existing tire is ultra-wide, the requirement of the whole machine operation width cannot be met, the distance from a rim web to the center of a rim needs to be adjusted, after the tire is well selected and determined, when the rim web is adjusted to the outer side edge of the rim body, namely, the distance between the edge is close to or exceeds a theoretical heat affected zone of a welding structure, the defects of the welding type structure are obvious, namely, the outer side welding seams are obviously few or even have no welding seams, the inner side welding seams are large, the outer side welding seams cannot meet the requirement of the welding seams due to size relation, the welding seams are few, the inner side welding and the outer side welding are asymmetric, meanwhile, the heat affected zone of the outer side welding seams is large, the rim body in a section mutation area is affected by the heat affected zone of the welding seams, the deformation of the rim body in the welding process is obvious, and the actual detection strength and the rigidity are obviously insufficient, when the whole machine is heavily loaded, the machine can fail prematurely to cause shutdown faults.

Disclosure of Invention

To the problem that above-mentioned prior art exists, the utility model provides a rim structure satisfies the complete machine operation width requirement in more narrow region, at the position of rim body cross-section sudden change, effectively avoids or eliminates the heat affected stress area of welding seam simultaneously.

The utility model also provides an engineering machine tool of this rim structure of installation.

In order to achieve the purpose, the utility model discloses a rim structure, including retaining ring, seat circle subassembly, lock circle and rim body;

the rim body is the syllogic, and the rim body includes left rim body, well rim body, right rim body and rim width plate, left side rim body and rim width plate are connected formula structure as an organic whole, and this integral type structure is located the outside of rim body, and left rim body and well rim body coupling, well rim body and right rim body coupling.

As an improvement, welding is adopted between the left rim body and the middle rim body and between the middle rim body and the right rim body.

As an improvement, the left rim body and the rim web are forged and formed.

As an improvement, a plurality of groups of processing holes are formed in the rim web.

As a modification, the material of the rim body is any one of Q355B, Q460C and Q550D.

As an improvement, a locking ring is arranged between the rim body and the seat ring assembly, and a check ring is arranged on the seat ring assembly.

Additionally, the utility model also provides an engineering machine tool, engineering machine tool is last to be installed the rim structure.

Compared with the prior art, the utility model discloses a rim structure has following beneficial effect:

1) the left rim body and the rim web are of an integrated structure, so that internal stress generated when the left rim body and the rim web are welded is eliminated, the defects of air holes, slag inclusion, microcracks, uneven welding seams and the like generated by a welding process are eliminated, the reliability is better, and the stress is more uniform.

2) The adaptability is better, because the rim web is close to the edge of the left rim body, the smaller complete machine width can be met, and the complete machine width requirement of the narrower space operation can be better adapted.

3) The service life of the rim is longer, the bearing capacity is stronger, the bending moment and the bending stress generated on the rim web plate by the forward pressure load from the ground can be better resisted, and the service life of the rim is further prolonged.

Drawings

FIG. 1 is a schematic view of a prior art welding of a rim body and a web;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at I;

fig. 6 is a cross-sectional view of the wheel rim body of the present invention;

FIG. 7 is an isometric view of the wheel rim body of the present invention;

in the figure: 1. the rim comprises a rim body, 2, a web, 3, a retainer ring, 4, a seat ring assembly, 5, a lock ring, 6, a rim body, 61, a left rim body, 62, a middle rim body, 63, a right rim body, 64 and a rim web.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.

As shown in fig. 2 to 5, a rim structure comprises a retainer ring 3, a seat ring assembly 4, a locking ring 5 and a rim body 6, wherein the locking ring 5 is installed between the rim body 6 and the seat ring assembly 4, the retainer ring 3 is installed on the seat ring assembly 4, and the connection of the retainer ring 3, the seat ring assembly 4, the locking ring 5 and the rim body 6 is in the conventional manner, and if mechanical assembly is adopted, the discussion is omitted;

the rim body 6 is of a three-section structure, and the rim body 6 comprises a left rim body 61, a middle rim body 62, a right rim body 63 and a rim web 64;

wherein, left rim body 61 is connected formula structure as an organic whole with rim web 64, and this integral type structure is located the outside of rim body 6, and left rim body 61 is connected with middle rim body 62, and middle rim body 6 is connected with right rim body 63, and the syllogic structure of rim body 6 is promptly: the left rim body 61 and the rim web 64 serve as one segment, the middle rim body 62 serves as one segment, and the right rim body 63 serves as one segment.

As a modification of the embodiment, as shown in fig. 6 and 7, the left rim body 61 and the middle rim body 62 are welded, and the middle rim body 6 and the right rim body 63 are welded; the left rim body 61 and the rim web 64 adopt an integral forging process, wherein the rim web 64 is provided with a plurality of groups of processing holes, namely after forging and forming, the forming of the plurality of groups of holes is realized through a machining mode. The utility model discloses a left side rim body 61 adopts integral forging technology machine-shaping with rim web 64, internal stress when having eliminated traditional left side rim body 61 and rim web 64 welding, has eliminated defects such as gas pocket, double-layered sediment, crazing line, welding seam inhomogeneous that welding process produced, and the reliability is better, and the atress is more even.

Because the web is close to the edge of the rim body, very far away from the rim central line, welding quality and bulk strength can't be guaranteed to the welding seam in the outside consequently to warp great, the defect is more, can't continue to adopt traditional welding process to realize, in order to guarantee holistic intensity and rigidity, the utility model discloses a more reliable solid forging technology is about to the rim body 6 and is divided into the three-section: a left rim body 61, a rim web 64, a middle rim body 62 and a right rim body 63;

as shown in fig. 6 and 7, the left rim body 61 and the rim web 64 adopt an integral forging process, the left rim body 61 and the middle rim body 62 adopt the existing welding process, the middle rim body 62 and the right rim body 63 adopt the conventional welding process, and the welding position of the left rim body 61 and the middle rim body 62 is closer to the center of the rim than the conventional position, and meanwhile, the left rim body 61 and the rim web 64 of the forging process are of the integral structure, so that the welding internal stress is eliminated, and the defects of air holes, slag inclusion, micro cracks and the like generated by a welding seam do not exist;

the whole left rim body 61 and the rim web 64 are of an integrated structure, no welding seam exists at the place where the cross section of the outer side changes suddenly, so that the phenomena of uneven deformation and the like caused by a welding heat affected stress area are eliminated, when a loader is heavily loaded, the whole stress of the rim is more balanced, the bending moment and the bending stress generated on the rim web by the forward pressure load from the ground can be better resisted, and the reliability is higher.

In an embodiment, in the rim body 6, the left rim body 61, the middle rim body 62, the right rim body 63, and the rim web 64 may be made of Q355B, or may be made of materials with higher strength such as Q460C and Q550D.

Additionally, the utility model also provides an engineering machine tool, engineering machine tool is last to be installed the rim structure. The engineering machinery is preferably a loader, the rim structure is adopted, bending moment and bending stress generated on a rim web plate by forward pressure load from the ground can be better resisted, the service life of the rim is longer, the reliability is higher, and the bearing capacity of the loader is stronger after the rim structure is assembled with a whole machine.

The utility model discloses well left side rim body and rim width of cloth adopt integral type forging structure technology, and structural strength is higher, and the atress is more even, has eliminated defects such as welded structure's internal stress, gas pocket, double-layered sediment and microcrack, and the life of rim is longer, and the reliability is higher, with complete machine assembly back, can adapt to more constrictive regional operation, and adaptability is better.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (7)

1. A rim structure comprises a retainer ring (3), a seat ring assembly (4), a lock ring (5) and a rim body (6);

the wheel rim is characterized in that the wheel rim body (6) is of a three-section type, the wheel rim body (6) comprises a left wheel rim body (61), a middle wheel rim body (62), a right wheel rim body (63) and a wheel rim web (64), the left wheel rim body (61) and the wheel rim web (64) are connected into an integral structure, the integral structure is located on the outermost side of the wheel rim body (6), the left wheel rim body (61) is connected with the middle wheel rim body (62), and the middle wheel rim body (62) is connected with the right wheel rim body (63).

2. A rim structure according to claim 1 wherein the left rim body (61) and the middle rim body (62) and the right rim body (63) are welded together.

3. A rim structure according to claim 1 wherein the left rim body (61) is forged with the rim web (64).

4. A rim structure according to claim 1 wherein the rim web (64) is apertured with a plurality of sets of tooling holes.

5. A rim structure according to any one of claims 1 to 4 wherein the rim body (6) is formed from any one of Q355B, Q460C and Q550D.

6. A rim structure according to claim 1 wherein a locking ring (5) is mounted between the rim body (6) and the seat ring assembly (4) and the retaining ring (3) is mounted on the seat ring assembly (4).

7. A working machine, characterized in that a rim structure according to any one of claims 1-6 is mounted on the working machine.

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