CN214648642U - Engineering machine tool longeron structure and engineering machine tool - Google Patents
Engineering machine tool longeron structure and engineering machine tool Download PDFInfo
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- CN214648642U CN214648642U CN202121095694.3U CN202121095694U CN214648642U CN 214648642 U CN214648642 U CN 214648642U CN 202121095694 U CN202121095694 U CN 202121095694U CN 214648642 U CN214648642 U CN 214648642U
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Abstract
The utility model discloses an engineering machinery longitudinal beam structure and engineering machinery, which comprises a top plate component, a supporting vertical plate, a side plate component, an outer side sealing plate and a bottom plate; the top plate assembly, the side plate assembly, the outer side sealing plate and the bottom plate form a cavity boundary of the longitudinal beam; the supporting vertical plate penetrates through the whole longitudinal beam, one part of the supporting vertical plate is arranged inside the cavity of the longitudinal beam and used for supporting the cavity of the longitudinal beam and being connected with the H-shaped frame, and the other part of the supporting vertical plate is arranged outside the cavity of the longitudinal beam and used for supporting the connecting part of the H-shaped frame and the top plate assembly. The utility model discloses simple structure does benefit to the welding, and structure bulk strength is high, is applicable to the abominable operating mode condition of mining engineering machine tool, just the utility model discloses the welding seam stress concentration and the structure deformation of having avoided arousing because of the reinforcing plate is too much.
Description
Technical Field
The utility model relates to an engineering machine tool longeron structure relates to the engineering machine tool field.
Background
The structural parts of the walking device of the crawler-type walking large-scale engineering mechanical equipment are mainly divided into three parts, namely an H frame, a left longitudinal beam and a right longitudinal beam. The walking device is mainly divided into a welding type and an assembly type according to different working conditions and different tonnages. The welding type walking device is suitable for engineering machinery with good working conditions and small tonnage, and the assembly type walking device is mostly large-scale mining engineering machinery, has severe working conditions and has high requirement on the strength of structural members.
In order to ensure the strength of the structural member, the application of the thick plate is wide, however, the weight of the structural member is inevitably increased by the thick plate, the welding difficulty is increased, the welding seam is generally large, the problems of stress concentration, welding deformation and the like are easily caused by a large welding seam, and various high-cost complex processes such as integral stress relief of a large structural member are required in the later stage.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides an engineering machine tool longeron structure, under the prerequisite of guaranteeing overall structure intensity, provides a structure simpler change in welded longeron cavity structures.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses an engineering machinery longitudinal beam structure, which comprises a top plate component, a supporting vertical plate, a side plate component, an outer side sealing plate and a bottom plate; the top plate assembly, the side plate assembly, the outer side sealing plate and the bottom plate form a cavity boundary of the longitudinal beam; the supporting vertical plate penetrates through the whole longitudinal beam, one part of the supporting vertical plate is arranged inside the cavity of the longitudinal beam and used for supporting the cavity of the longitudinal beam and being connected with the H-shaped frame, and the other part of the supporting vertical plate is arranged outside the cavity of the longitudinal beam and used for supporting the connecting part of the H-shaped frame and the top plate assembly.
The specific scheme is as follows: the top plate assembly is composed of a plurality of top plates and a plurality of connecting plates; wherein, the connecting plate is connected with the H frame.
The specific scheme is as follows: the supporting vertical plate is composed of a plurality of vertical plates which are arranged at intervals; two convex plates are arranged on the side edge of the connecting plate, and the top surface of the vertical plate is wider than the bottom surface of the vertical plate; the bottom surface of the vertical plate is arranged on the bottom plate, and the top surface of the vertical plate is arranged on the bottom surface of the connecting plate positioned on the convex plate, so that the connecting area is increased.
The preferable scheme is as follows: the vertical plate is provided with a threaded hole I, the connecting plate is provided with a threaded hole II coaxial with the threaded hole I, and the bolt penetrates through the H frame and then is screwed in the threaded hole I and the threaded hole II.
The specific scheme is as follows: the side plate assembly is composed of a plurality of side plates, and a side plate is arranged between every two adjacent vertical plates.
As the utility model discloses an optimization scheme: a plurality of reinforcing rib plates are distributed in the longitudinal beam cavity, and the integral strength of the longitudinal beam is improved together with the supporting vertical plate.
As the utility model discloses an optimization scheme: and a plurality of lightening holes are formed in the bottom plate.
The utility model also discloses an engineering machine tool installs foretell engineering machine tool longeron structure.
The utility model discloses beneficial effect:
the top plate assembly is divided into a plurality of steel plates with different thicknesses according to stress distribution conditions, the supporting vertical plate is placed at the connecting position with larger stress, and the structural form of the supporting vertical plate can be used for reinforcing the inside and the outside of the cavity at the same time. The longitudinal beam is simple in structure, beneficial to welding, high in structural overall strength and suitable for severe working conditions of mining engineering machinery, and the reinforced structure avoids weld stress concentration and structural part deformation caused by excessive reinforcing plates.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a first assembly view of the present invention;
FIG. 2 is a second assembly view of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
The labels in the figure are: 1. roof subassembly, 2, H frame, 3, support the riser, 4, curb plate subassembly, 5, deep floor, 6, outside shrouding, 7, bottom plate, 11, roof I, 12, connecting plate I, 13, roof II, 14, connecting plate II, 31, riser I, 32, riser II, 41, curb plate I, 42, curb plate II, 43, curb plate III, 44, curb plate IV.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2 and 3, a longitudinal beam structure of an engineering machine comprises a top plate assembly 1, a supporting vertical plate 3, a side plate assembly 4, an outer side sealing plate 6 and a bottom plate 7; the top plate assembly 1, the side plate assembly 4, the outer side sealing plate 6 and the bottom plate 7 form a cavity boundary of the longitudinal beam; the supporting vertical plate 3 penetrates through the whole longitudinal beam, one part of the supporting vertical plate 3 is arranged inside the cavity of the longitudinal beam and used for supporting the cavity of the longitudinal beam and connected with the H frame 2, and the other part of the supporting vertical plate 3 is arranged outside the cavity of the longitudinal beam and used for supporting the connecting part of the H frame 2 and the top plate assembly 1.
According to the technical scheme, the reasonable application of plates with different thicknesses is carried out according to the stress distribution condition by relying on the ultimate stress analysis of the mining engineering machinery under the ultimate working condition, and the positions of the support vertical plates in the cavity are arranged in a targeted manner, so that the structural strength is ensured, unnecessary welding seams are greatly reduced, the welding deformation and the stress concentration are reduced, and the reliability and the durability of the product in use are improved.
With continued reference to FIG. 3, the top plate assembly 1 is comprised of a plurality of top plates and a plurality of connecting plates; according to the stress analysis result, the connecting area of the H-shaped frame 2 and the longitudinal beam has larger stress, the thick connecting plate I12 and the thick connecting plate II14 are applied to the front connecting area and the rear connecting area of the top plate 1, and the thin top plate I11 and the thin top plate II13 are applied to the part with smaller stress.
Continuing to refer to fig. 3, in the cavity of the longitudinal beam, the supporting vertical plate 3 is placed in the connection area with larger stress, and in order to properly reduce weight, release stress and avoid other structures, the supporting vertical plate 3 is designed into a vertical plate I31 and a vertical plate II32, two convex plates are arranged on the side edges of the vertical plate I31 and the vertical plate II32, and the top surfaces of the vertical plate I31 and the vertical plate II32 are wider than the bottom surfaces of the vertical plate I31 and the vertical plate II 32; the bottom surfaces of the vertical plate I31 and the vertical plate II32 are arranged on the bottom plate 7, and the top surfaces of the vertical plate I31 and the vertical plate II32 are arranged at the bottom surfaces of the connecting plate I12 and the connecting plate II14 which are positioned at the convex plate, so that the connecting area is increased.
Support riser I31 and support riser II32 behind closure panel assembly 4 are partly inside the cavity and partly outside the cavity, traversing the entire stringer, the inside serving to support the cavity structure and connecting to H-frame 2, the outside extending over the connection area, mainly supporting the connection points.
Threaded holes are formed in the vertical plate I31 and the vertical plate II32 and correspond to the threaded holes in the connecting plate I12 and the connecting plate II14, the threaded holes integrally extend from top to bottom, and the threaded holes need to be integrally machined during machining.
As the utility model discloses an optimization scheme: in order to further improve the structural strength, the reinforcing rib plates 5 are placed at proper positions according to the space requirement.
With continued reference to fig. 3, the inner side plate is divided into four parts, namely a side plate I41, a side plate II42, a side plate III43 and a side plate IV44, according to the distribution of the supporting vertical plate I31 and the supporting vertical plate II 32.
When the machine normally works, the H frame 2 gives tension and compression alternating load to the longitudinal beam through the bolts and the matching surface, and the supporting vertical plate 3 bears most of load under the connecting part because of the supporting vertical plate 3, so that the whole reinforcing structure form from inside to outside is more favorable for the transmission of the load.
The utility model also discloses an engineering machine tool installs foretell engineering machine tool longeron structure.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides an engineering machine tool longeron structure which characterized in that:
comprises a top plate component, a supporting vertical plate, a side plate component, an outer side sealing plate and a bottom plate;
the top plate assembly, the side plate assembly, the outer side sealing plate and the bottom plate form a cavity boundary of the longitudinal beam;
the supporting vertical plate penetrates through the whole longitudinal beam, one part of the supporting vertical plate is arranged inside the cavity of the longitudinal beam and used for supporting the cavity of the longitudinal beam and being connected with the H-shaped frame, and the other part of the supporting vertical plate is arranged outside the cavity of the longitudinal beam and used for supporting the connecting part of the H-shaped frame and the top plate assembly.
2. The construction machine longitudinal beam structure according to claim 1, wherein:
the top plate assembly is composed of a plurality of top plates and a plurality of connecting plates;
wherein, the connecting plate is connected with the H frame.
3. The construction machine longitudinal beam structure according to claim 2, wherein:
the supporting vertical plate is composed of a plurality of vertical plates which are arranged at intervals;
two convex plates are arranged on the side edge of the connecting plate, and the top surface of the vertical plate is wider than the bottom surface of the vertical plate;
the bottom surface of the vertical plate is arranged on the bottom plate, and the top surface of the vertical plate is arranged on the bottom surface of the connecting plate positioned on the convex plate, so that the connecting area is increased.
4. The construction machine longitudinal beam structure according to claim 3, wherein:
the vertical plate is provided with a threaded hole I, the connecting plate is provided with a threaded hole II coaxial with the threaded hole I, and the bolt penetrates through the H frame and then is screwed in the threaded hole I and the threaded hole II.
5. The construction machine longitudinal beam structure according to claim 3, wherein:
the side plate assembly is composed of a plurality of side plates, and a side plate is arranged between every two adjacent vertical plates.
6. The construction machine longitudinal beam structure according to claim 1, wherein:
a plurality of reinforcing rib plates are distributed in the longitudinal beam cavity, and the integral strength of the longitudinal beam is improved together with the supporting vertical plate.
7. The construction machine longitudinal beam structure according to claim 1, wherein:
and a plurality of lightening holes are formed in the bottom plate.
8. A construction machine characterized in that:
a construction machine longitudinal beam structure according to any one of claims 1 to 7 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121095694.3U CN214648642U (en) | 2021-05-21 | 2021-05-21 | Engineering machine tool longeron structure and engineering machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121095694.3U CN214648642U (en) | 2021-05-21 | 2021-05-21 | Engineering machine tool longeron structure and engineering machine tool |
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| Publication Number | Publication Date |
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| CN214648642U true CN214648642U (en) | 2021-11-09 |
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| CN202121095694.3U Active CN214648642U (en) | 2021-05-21 | 2021-05-21 | Engineering machine tool longeron structure and engineering machine tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733636A (en) * | 2022-05-09 | 2022-07-12 | 徐州徐工履带底盘有限公司 | Crawler chassis and mobile crushing station |
-
2021
- 2021-05-21 CN CN202121095694.3U patent/CN214648642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733636A (en) * | 2022-05-09 | 2022-07-12 | 徐州徐工履带底盘有限公司 | Crawler chassis and mobile crushing station |
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