阅读说明：本技术 一种斗杆结构及工程机械 (Bucket rod structure and engineering machinery ) 是由 戴建鑫 吕梁 孔繁繁 于 2020-05-12 设计创作，主要内容包括：本发明的实施例提供了一种斗杆结构及工程机械,涉及工程机械技术领域。斗杆结构包括本体、润滑结构、前支承、中支承、后支承、第一连接管、第二连接管及第三连接管,润滑结构安装在本体上,前支承安装在本体的一端,后支承安装在本体的另一端,中支承设置在本体上,润滑结构具有润滑通道,润滑通道包括第一润滑孔、第二润滑孔及第三润滑孔,第一润滑孔通过第一连接管与前支承连通,第二润滑孔通过第二连接管与中支承连通,第三润滑孔通过第三连接管与后支承连通。在本发明实施例中,润滑油通过润滑结构分别流向前支承、中支承及后支撑,能够将前支承、中支承及后支撑进行集中润滑,提高了用于加注润滑油的便捷性。(The embodiment of the invention provides a bucket rod structure and engineering machinery, and relates to the technical field of engineering machinery. The bucket rod structure includes the body, lubricating structure, preceding supporting, well supporting, the back supporting, first connecting pipe, second connecting pipe and third connecting pipe, lubricating structure installs on the body, the one end at the body is installed to preceding supporting, the other end at the body is installed to the back supporting, well supporting setting is on the body, lubricating structure has the lubrication channel, the lubrication channel includes first lubrication hole, second lubrication hole and third lubrication hole, first lubrication hole passes through first connecting pipe and preceding supporting intercommunication, the second lubrication hole passes through second connecting pipe and well supporting intercommunication, the third lubrication hole passes through third connecting pipe and back supporting intercommunication. In the embodiment of the invention, the lubricating oil flows to the front bearing, the middle bearing and the rear bearing through the lubricating structures respectively, so that the front bearing, the middle bearing and the rear bearing can be lubricated in a centralized manner, and the convenience for filling the lubricating oil is improved.)

1. A dipper structure, comprising: the lubricating structure is arranged on the body, the front support is arranged at one end of the body, the rear support is arranged at the other end of the body, the middle support is arranged on the body, the lubricating structure is provided with a lubricating channel, the lubricating channel comprises a first lubricating hole, a second lubricating hole and a third lubricating hole, the first lubricating hole is communicated with the front support through the first connecting pipe, the second lubricating hole is communicated with the middle support through the second connecting pipe, and the third lubricating hole is communicated with the rear support through the third lubricating hole.

2. The arm structure of claim 1, wherein the lubrication channel includes a first section and a second section, the first section disposed at an angle to the second section, the second section connected to one of the first connection pipe, the second connection pipe, and the third connection pipe.

3. The stick structure of claim 2, wherein the first segment and the second segment are perpendicular to each other.

4. The arm structure of claim 2, wherein the first section is disposed toward a top plate of the body and the second section is disposed toward a side plate of the body, the top plate and the side plate being interconnected.

5. The arm structure of claim 1, further comprising a connecting block mounted on the body, and a fourth connecting pipe, wherein the connecting block is provided with a first connecting hole, the lubrication passage includes a fourth lubrication hole, the fourth lubrication hole is connected to the first connecting hole through the fourth connecting pipe, and the first connecting hole is configured to be connected to a bucket cylinder.

6. The arm structure of claim 5, further comprising a fifth connecting tube, wherein the connecting block has a second connecting hole, and wherein the lubrication channel includes a fifth lubrication hole connected to the second connecting hole through the fifth connecting tube, the second connecting hole being configured to connect to an arm cylinder.

7. The arm structure of claim 5, wherein the top plate of the body is provided with a fixing opening, and the connecting block is mounted in the fixing opening such that a portion of the connecting block extends into the body.

8. The stick structure of claim 1, wherein the lubrication structure is mounted on a top plate of the body.

9. The arm structure of any of claims 1-8, wherein the first, second, and third connecting tubes are secured to a side plate inside the body.

10. A working machine, characterized by comprising a stick structure according to any of claims 1-9.

Technical Field

The invention relates to the technical field of engineering machinery, in particular to a bucket rod structure and engineering machinery.

Background

In the construction process of the excavator, hinge points connected with all parts (a movable arm, a bucket rod and a bucket) of the working device rotate mutually at high frequency and large hinge point force, and lubricating grease needs to be filled between a shaft sleeve and a shaft at each hinge point to reduce friction and reduce abrasion. At present, most of hinge points at the bucket rod are lubricated point to point, and a user needs to lubricate the bucket rod point by point during oil injection, so that the operation is inconvenient.

Disclosure of Invention

The invention aims to provide a bucket rod structure and an engineering machine, which can perform centralized lubrication on a front support, a middle support and a rear support and improve the convenience for filling lubricating oil.

Embodiments of the invention may be implemented as follows:

in a first aspect, an embodiment of the present invention provides a bucket rod structure, where the bucket rod structure includes: the lubricating structure is arranged on the body, the front support is arranged at one end of the body, the rear support is arranged at the other end of the body, the middle support is arranged on the body, the lubricating structure is provided with a lubricating channel, the lubricating channel comprises a first lubricating hole, a second lubricating hole and a third lubricating hole, the first lubricating hole is communicated with the front support through the first connecting pipe, the second lubricating hole is communicated with the middle support through the second connecting pipe, and the third lubricating hole is communicated with the rear support through the third lubricating hole.

In an optional embodiment of the present invention, the lubrication channel includes a first section and a second section, the first section and the second section are disposed at an included angle, and the second section is connected to one of the first connection pipe, the second connection pipe, and the third connection pipe.

In an alternative embodiment of the invention, the first section and the second section are perpendicular to each other.

In an alternative embodiment of the invention, the first section is arranged towards a top plate of the body, the second section is arranged towards a side plate of the body, and the top plate and the side plate are connected with each other.

In an optional embodiment of the present invention, the arm structure further includes a connection block and a fourth connection pipe, the connection block is mounted on the body, the connection block is provided with a first connection hole, the lubrication passage includes a fourth lubrication hole, the fourth lubrication hole is connected to the first connection hole through the fourth connection pipe, and the first connection hole is used for being connected to the bucket cylinder.

In an optional embodiment of the present invention, the arm structure further includes a fifth connecting pipe, the connecting block has a second connecting hole, the lubrication channel includes a fifth lubrication hole, the fifth lubrication hole is connected to the second connecting hole through the fifth connecting pipe, and the second connecting hole is used for being connected to the arm cylinder.

In an alternative embodiment of the present invention, a fixing opening is provided on the top plate of the body, and the connecting block is installed in the fixing opening such that a portion of the connecting block extends into the body.

In an alternative embodiment of the invention, the lubricating structure is mounted on the top plate of the body.

In an alternative embodiment of the present invention, the first connecting pipe, the second connecting pipe and the third connecting pipe are fixed on a side plate inside the body.

In a second aspect, an embodiment of the present invention provides a working machine, where the working machine includes the above-mentioned arm structure.

The embodiment of the invention has the following beneficial effects: the bucket rod structure includes the body, lubricating structure, preceding supporting, well supporting, the back supporting, first connecting pipe, second connecting pipe and third connecting pipe, lubricating structure installs on the body, the one end at the body is installed to preceding supporting, the other end at the body is installed to the back supporting, well supporting setting is on the body, lubricating structure has the lubrication channel, the lubrication channel includes first lubrication hole, second lubrication hole and third lubrication hole, first lubrication hole passes through first connecting pipe and preceding supporting intercommunication, the second lubrication hole passes through second connecting pipe and well supporting intercommunication, the third lubrication hole passes through third connecting pipe and back supporting intercommunication.

In the embodiment of the invention, the first lubricating hole of the lubricating structure is communicated with the front support through the first connecting pipe, the second lubricating hole of the lubricating structure is communicated with the middle support through the second connecting pipe, and the third lubricating hole of the lubricating structure is communicated with the rear support through the third connecting pipe. In the embodiment of the invention, the lubricating oil flows to the front bearing, the middle bearing and the rear bearing through the lubricating structures respectively, so that the front bearing, the middle bearing and the rear bearing can be lubricated in a centralized manner, and the convenience for filling the lubricating oil is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram illustrating a first perspective view of a bucket arm structure according to a first embodiment of the present invention;

FIG. 2 is a structural diagram of a second perspective of the bucket arm structure according to the first embodiment of the present invention;

FIG. 3 is a schematic structural view of a lubricating structure of the arm structure according to the first embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a connecting block of the bucket rod structure according to the first embodiment of the present invention;

fig. 5 is a structural schematic diagram of a third perspective of the bucket rod structure according to the first embodiment of the present invention.

Icon: 100-bucket rod configuration; 110-a body; 112-a top plate; 114-side plate; 116-a fixation port; 120-a lubricating structure; 122-lubrication channels; 1222-a first section; 1224 — second section; 124-a first lubrication hole; 125-a second lubrication hole; 126-a third lubrication hole; 127-a fourth lubrication hole; 128-fifth lubrication hole; 130-front support; 140-middle support; 150-rear support; 161-a first connection tube; 162-a second connecting tube; 163-third connecting pipe; 164-fourth connecting tube; 165-fifth connecting tube; 170-connecting block; 172-first connection aperture; 174-second connecting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

First embodiment

Referring to fig. 1, the present embodiment provides an arm structure 100, and the arm structure 100 provided in the present embodiment can perform centralized lubrication on a front support 130, a middle support 140, and a rear support, so as to improve convenience for filling lubricating oil.

Referring to fig. 1 and 2, in the present embodiment, the bucket rod structure 100 includes: the lubricating structure 120 is mounted on the body 110, the front support 130 is mounted at one end of the body 110, the rear support 150 is mounted at the other end of the body 110, the middle support 140 is arranged on the body 110, the lubricating structure 120 is provided with a lubricating channel 122, the lubricating channel 122 comprises a first lubricating hole 124, a second lubricating hole 125 and a third lubricating hole 126, the first lubricating hole 124 is communicated with the front support 130 through the first connecting pipe 161, the second lubricating hole 125 is communicated with the middle support 140 through the second connecting pipe 162, and the third lubricating hole 126 is communicated with the rear support 150 through the third connecting pipe 163.

In the present embodiment, the first lubrication hole 124 of the lubrication structure 120 communicates with the front support 130 through the first connection pipe 161, the second lubrication hole 125 of the lubrication structure 120 communicates with the middle support 140 through the second connection pipe 162, and the third lubrication hole 126 of the lubrication structure 120 communicates with the rear support through the third connection pipe 163. In the present embodiment, the lubricating oil flows to the front support 130, the middle support 140, and the rear support through the lubricating structure 120, respectively, so that the front support 130, the middle support 140, and the rear support can be lubricated in a concentrated manner, thereby improving convenience in filling the lubricating oil.

Referring to fig. 3, in the present embodiment, the lubrication channel 122 includes a first section 1222 and a second section 1224, the first section 1222 is disposed at an angle to the second section 1224, and the second section 1224 is connected to one of the first connection pipe 161, the second connection pipe 162, and the third connection pipe 163.

In this embodiment, the first section 1222 and the second section 1224 are disposed at an angle, and when the lubricant enters the first section 1222 from the end of the first section 1222 far from the second section 1224, the lubricant enters the first connecting pipe 161, the second connecting pipe 162 and the third connecting pipe 163 after being buffered by the angle between the first section 1222 and the second section 1224.

In this embodiment, the first section 1222 and the second section 1224 are perpendicular to each other.

It should be noted that, in this embodiment, the first segment 1222 and the second segment 1224 are perpendicular to each other, but the present invention is not limited thereto, and in other embodiments of the present invention, the first segment 1222 and the second segment 1224 may be disposed at any other included angle.

In the present embodiment, the first section 1222 is disposed toward the top plate 112 of the body 110, the second section 1224 is disposed toward the side plate 114 of the body 110, and the top plate 112 and the side plate 114 are connected to each other.

In the present embodiment, the first connection pipe 161, the second connection pipe 162, and the third connection pipe 163 are fixed to the side plate 114 inside the body 110. The first connecting pipe 161, the second connecting pipe 162 and the third connecting pipe 163 can be protected, and the service life is prolonged.

In this embodiment, the first connection pipe 161, the second connection pipe 162, and the third connection pipe 163 are installed on the side plate 114 inside the body 110, and the second section 1224 is installed toward the side plate 114 of the body 110, so that the second section 1224 smoothly transits when being connected to one of the first connection pipe 161, the second connection pipe 162, and the third connection pipe 163, and it is possible to prevent the first connection pipe 161, the second connection pipe 162, and the third connection pipe 163 from being bent when being connected to the second section 1224, thereby affecting the flow rate of the lubricant in the first connection pipe 161, the second connection pipe 162, or the third connection pipe 163, and affecting the lubrication effect.

In the present embodiment, the first section 1222 is used to connect the oil injection element, so that the lubricating oil can enter the first connection pipe 161, the second connection pipe 162, and the third connection pipe 163 to lubricate the front bearing 130, the middle bearing 140, and the rear bearing 150.

Referring to fig. 1 and 4, in the present embodiment, the arm structure 100 further includes a connection block 170 and a fourth connection pipe 164, the connection block 170 is installed on the body 110, the connection block 170 is provided with a first connection hole 172, the lubrication hole includes a fourth lubrication hole 127, the fourth lubrication hole 127 is connected to the first connection hole 172 through the fourth connection pipe 164, and the first connection hole 172 is used for being connected to the bucket cylinder.

In this embodiment, the connection block 170 is disposed corresponding to the rear support 150, the fourth connection pipe 164 is connected to the first connection hole 172 and the fourth lubrication hole 127, and after the lubricating oil enters the fourth connection pipe 164 from the fourth lubrication hole 127, the lubricating oil is connected to the bucket cylinder through the first connection hole 172, so as to provide the lubricating oil to the bucket cylinder.

In the present embodiment, the fourth connection pipe 164 is disposed along the side plate 114 of the body 110.

In this embodiment, the arm structure 100 further includes a fifth connecting pipe 165, the connecting block 170 has a second connecting hole 174, the lubrication channel 122 includes a fifth lubrication hole 128, the fifth lubrication hole 128 is connected with the second connecting hole 174 through the fifth connecting pipe 165, and the second connecting hole 174 is used for being connected with the arm cylinder.

In this embodiment, the fifth connecting pipe 165 is connected to the second connecting hole 174 and the fifth connecting hole 128, and after the lubricating oil enters the fifth connecting pipe 165 from the fifth connecting hole 128, the lubricating oil is connected to the arm cylinder through the second connecting hole 174, so as to provide the lubricating oil to the arm cylinder.

The first lubrication hole 124, the second lubrication hole 125, the third lubrication hole 126, the fourth lubrication hole 127, and the fifth lubrication hole 128 each have a first section 1222 and a second section 1224 that communicate with each other.

Referring to fig. 5, in the present embodiment, a fixing hole 116 is formed in the top plate 112 of the body 110, and the connecting block 170 is installed in the fixing hole 116, such that the connecting block 170 partially extends into the body 110.

In this embodiment, the fixing buckle is communicated with the inside of the body 110, and one end of the connecting block 170 extends into the inside of the body 110 to be communicated with the fourth connecting pipe 164 and the fifth connecting pipe 165.

In this embodiment, the lubrication structure 120 is mounted on the top plate 112 of the body 110.

The working principle of the arm structure 100 provided in this embodiment is as follows: in the present embodiment, the lubricating oil enters the first connecting pipe 161 from the first section 1222 of the first lubricating hole 124 to lubricate the front support 130, enters the second connecting pipe 162 from the first section 1222 of the second lubricating hole 125 to lubricate the center support 140, enters the third connecting pipe 163 from the first section 1222 of the third lubricating hole 126 to lubricate the rear support 150, enters the fourth connecting pipe 164 from the first section 1222 of the fourth lubricating hole 127 to lubricate the bucket cylinder, and enters the fifth connecting pipe 165 from the first section 1222 of the fifth lubricating hole 128 to lubricate the arm cylinder.

In summary, in the arm structure 100 provided in the present embodiment, the first lubrication hole 124 of the lubrication structure 120 is communicated with the front support 130 through the first connection pipe 161, the second lubrication hole 125 of the lubrication structure 120 is communicated with the middle support 140 through the second connection pipe 162, and the third lubrication hole 126 of the lubrication structure 120 is communicated with the rear support through the third connection pipe 163. In the present embodiment, the lubricating oil flows to the front support 130, the middle support 140, and the rear support through the lubricating structure 120, respectively, so that the front support 130, the middle support 140, and the rear support can be lubricated in a concentrated manner, thereby improving convenience in filling the lubricating oil.

Second embodiment

The embodiment provides an engineering machine, and the engineering machine that this embodiment provided can carry out centralized lubrication, has improved the convenience that is used for annotating lubricating oil.

For the sake of brief description, where this embodiment is not mentioned, reference may be made to the first embodiment.

In the present embodiment, the working machine includes the arm structure 100 provided in the first embodiment. Wherein the engineering machinery is mainly an excavator.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.