CN216920508U - Excavator main frame pin shaft mounting structure and excavator - Google Patents
Excavator main frame pin shaft mounting structure and excavator Download PDFInfo
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- CN216920508U CN216920508U CN202220324654.XU CN202220324654U CN216920508U CN 216920508 U CN216920508 U CN 216920508U CN 202220324654 U CN202220324654 U CN 202220324654U CN 216920508 U CN216920508 U CN 216920508U
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- main frame
- pin shaft
- excavator
- shaft mounting
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Abstract
The utility model provides an excavator main frame pin shaft mounting structure and an excavator, and relates to the technical field of excavators. Excavator main frame round pin axle mounting structure includes: the support comprises a main frame and two support side plates which are parallelly arranged on the main frame at intervals, wherein each support side plate is provided with a pin shaft mounting hole, and the pin shaft mounting holes in the two support side plates are coaxial; a first reinforcing piece connected with the pin shaft mounting hole is arranged on the first side face of each support side plate, and a second reinforcing piece is arranged on the second side face of each support side plate and is opposite to the first reinforcing piece; the first side face is a side face of the support side plate connected with the main frame, and the second side face is a side face opposite to the first side face. According to the technical scheme, the two reinforcing pieces are arranged to share the stress borne by each support side plate, so that the structural strength is improved, the support side plate can bear larger stress, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of excavators, in particular to an excavator main frame pin shaft mounting structure and an excavator.
Background
In the excavator main frame pin shaft mounting structure in the prior art, a circular plate is arranged on one side surface of a support side plate, and the left and right side structures are identical, so that welding cracks are easy to occur; the reinforcing plate is arranged at one position of the circular plate, the circular plate and the reinforcing plate are welded, and in the using process, the welding line between the circular plate and the reinforcing plate is easy to crack under stress. And other reinforcement devices are not arranged on the other side face of the support side plate, external force applied to the support side plate is concentrated on the circular plate, and the risk of welding seam cracking of the support side plate is increased in the using process.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an excavator main frame pin shaft mounting structure and an excavator, and aims to solve the problem that a welding seam of a circular plate of a support side plate is easy to crack in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the embodiment of the utility model provides an excavator main frame pin shaft mounting structure, which comprises: the support comprises a main frame and two support side plates which are parallelly arranged on the main frame at intervals, wherein each support side plate is provided with a pin shaft mounting hole, and the pin shaft mounting holes in the two support side plates are coaxial;
a first reinforcing piece connected with the pin shaft mounting hole is arranged on the first side face of each support side plate, and a second reinforcing piece is arranged on the second side face of each support side plate and is opposite to the first reinforcing piece;
the first side face is a side face of the support side plate connected with the main frame, and the second side face is a side face opposite to the first side face.
Optionally, the first stiffener includes:
the shape of the through hole on the U-shaped reinforcing plate is consistent and coaxial with the shape of the pin shaft mounting hole.
Optionally, the U-shaped reinforcing plate is connected to the main frame, and a chamfer structure is provided at a joint of the U-shaped reinforcing plate and the main frame.
Optionally, the second reinforcing member is disposed at a position opposite to a combining portion of the U-shaped reinforcing plate and the main frame.
Optionally, the number of the second reinforcing members is at least one, and the second reinforcing members are all located on the same side.
The embodiment of the utility model also provides an excavator, which comprises the excavator main frame pin shaft mounting structure.
The utility model has the beneficial effects that:
among the above-mentioned technical scheme, excavator body frame round pin axle mounting structure includes: the main frame and the two support side plates are parallelly arranged on the main frame at intervals, each support side plate is provided with a pin shaft mounting hole, and the pin shaft mounting holes in the two support side plates are coaxial; a first reinforcing piece connected with the pin shaft mounting hole is arranged on the first side face of each support side plate, and a second reinforcing piece is arranged on the second side face of each support side plate and is opposite to the first reinforcing piece; the first side face is a side face of the support side plate connected with the main frame, and the second side face is a side face opposite to the first side face. According to the technical scheme, the two reinforcing parts are arranged to share the stress borne by each support side plate, so that the structural strength is improved, the support side plate can bear larger stress, and the service life is prolonged.
Drawings
Fig. 1 is a schematic structural diagram illustrating an excavator main frame pin shaft mounting structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a U-shaped reinforcing plate according to an embodiment of the present invention.
Description of reference numerals:
1-main frame; 2-a support side plate; 21-pin shaft mounting holes; 22-a first stiffener; 221-chamfering structure; 23-second reinforcement.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the utility model. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
The utility model provides an excavator main frame pin shaft mounting structure and an excavator, aiming at the problem that a welding seam of a circular plate of a support side plate is easy to crack in the prior art.
As shown in fig. 1, an alternative embodiment of the present invention provides an excavator main frame pin shaft mounting structure, including: the support comprises a main frame 1 and two support side plates 2 which are parallelly arranged on the main frame 1 at intervals, wherein each support side plate 2 is provided with a pin shaft mounting hole 21, and the pin shaft mounting holes 21 on the two support side plates 2 are coaxial;
a first reinforcing piece 22 connected with the pin shaft mounting hole 21 is arranged on a first side surface of each support side plate 2, and a second reinforcing piece 23 is arranged on a position, opposite to the first reinforcing piece 22, on a second side surface of each support side plate 2;
the first side surface is a side surface where the support side plate 2 is connected with the main frame 1, and the second side surface is a side surface opposite to the first side surface.
According to the technical scheme, the two reinforcing parts are arranged to share the stress borne by each support side plate, so that the structural strength is improved, the support side plate can bear larger stress, and the service life is prolonged.
As shown in fig. 2, optionally, the first reinforcing member 22 includes:
and the shape of a through hole on the U-shaped reinforcing plate is consistent and coaxial with the shape of the pin shaft mounting hole 21.
Optionally, the U-shaped reinforcing plate is connected to the main frame 1, and a chamfer structure 221 is provided at a joint of the U-shaped reinforcing plate and the main frame 1.
It can be understood that the U-shaped reinforcing plate adopts a chamfer design, the chamfer structure 221 is arranged on a straight line section of the U-shaped reinforcing plate, and the chamfer structure 221 is used for better welding.
In this embodiment, the first reinforcing member 22 is a U-shaped reinforcing plate after being improved and designed, the structural strength is reinforced, and the chamfer structure 221 is welded to the main frame 1, so that the welding strength is increased, and the occurrence of cracking easily in the prior art is avoided.
Optionally, the second reinforcing member 23 is disposed at a position opposite to a joint portion of the U-shaped reinforcing plate and the main frame 1.
In this embodiment, the second reinforcing member 23 is preferably a triangular reinforcing plate, but may be a reinforcing plate in other cases, depending on the specific requirements and the area of the U-shaped reinforcing plate opposite to the joint portion of the main frame 1. Here, increase welding strength, increase the triangle-shaped reinforcing plate in the position of keeping away from the back of the body of joint portion, share the stress that the curb plate received reduces U type reinforcing plate department, increase structural strength, can bear bigger stress, increase the life-span.
Optionally, the number of the second reinforcing members 23 is at least one, and the second reinforcing members are all located on the same side.
In this embodiment, each of the seat side plates 2 is provided with the first reinforcement member 22 and the second reinforcement member 23, and is disposed on two different surfaces, that is, the first reinforcement member 22 and the second reinforcement member 23 are respectively designed on the left and right sides of each of the seat side plates 2, the second reinforcement member 23 is to fix the upper part of the lower boundary line of the first reinforcement member 22 on the opposite side, and the number of the second reinforcement members 23 is set according to the requirement of the limited position.
Optionally, the area of the first reinforcement member 22 is equivalent to the area of the second reinforcement member 23, and preferably, the area of the second reinforcement member 23 is larger than the area of the first reinforcement member 22.
In summary, the technical scheme of the utility model is provided with two reinforcing parts to share the stress borne by each support side plate, so that the structural strength is increased, the support side plate can bear larger stress, and the service life is prolonged.
The embodiment of the utility model also provides an excavator, which comprises the excavator main frame pin shaft mounting structure.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the following claims.
Claims (6)
1. The utility model provides an excavator main frame round pin axle mounting structure which characterized in that includes: the support comprises a main frame (1) and two support side plates (2) which are parallelly arranged on the main frame (1) at intervals, wherein each support side plate (2) is provided with a pin shaft mounting hole (21), and the pin shaft mounting holes (21) on the two support side plates (2) are coaxial;
a first reinforcing piece (22) connected with the pin shaft mounting hole (21) is arranged on the first side face of each support side plate (2), and a second reinforcing piece (23) is arranged on the second side face of each support side plate (2) opposite to the first reinforcing piece (22);
the first side face is a side face of the support side plate (2) connected with the main frame (1), and the second side face is a side face opposite to the first side face.
2. The excavator main frame pin mounting structure of claim 1, wherein the first reinforcement member (22) comprises:
the shape of a through hole in the U-shaped reinforcing plate is consistent with and coaxial with the shape of the pin shaft mounting hole (21).
3. The excavator main frame pin shaft mounting structure according to claim 2, wherein the U-shaped reinforcing plate is connected with the main frame (1), and a chamfer structure (221) is provided at a joint of the U-shaped reinforcing plate and the main frame (1).
4. A main frame pin shaft mounting structure for an excavator according to claim 3, wherein the second reinforcing member (23) is provided at a position opposite to a joint portion of the U-shaped reinforcing plate and the main frame (1).
5. Excavator main frame pin mounting structure according to claim 1, characterized in that the number of said second reinforcing elements (23) is at least one and all are located on the same side.
6. An excavator, comprising the excavator main frame pin mounting structure as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220324654.XU CN216920508U (en) | 2022-02-17 | 2022-02-17 | Excavator main frame pin shaft mounting structure and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220324654.XU CN216920508U (en) | 2022-02-17 | 2022-02-17 | Excavator main frame pin shaft mounting structure and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216920508U true CN216920508U (en) | 2022-07-08 |
Family
ID=82266778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220324654.XU Active CN216920508U (en) | 2022-02-17 | 2022-02-17 | Excavator main frame pin shaft mounting structure and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216920508U (en) |
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2022
- 2022-02-17 CN CN202220324654.XU patent/CN216920508U/en active Active
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