CN215706757U - Novel excavator caterpillar link - Google Patents
Novel excavator caterpillar link Download PDFInfo
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- CN215706757U CN215706757U CN202122327708.6U CN202122327708U CN215706757U CN 215706757 U CN215706757 U CN 215706757U CN 202122327708 U CN202122327708 U CN 202122327708U CN 215706757 U CN215706757 U CN 215706757U
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- thread section
- external thread
- excavator
- tooth block
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Abstract
The utility model discloses a novel excavator track link, which comprises a plurality of excavator track link groups which are sequentially connected in series, wherein two adjacent excavator track link groups are rotationally connected through a connecting shaft, each excavator track link group comprises a tooth block and two connecting plates, a rectangular tooth opening is formed in the center of the tooth block, one side of the tooth block is fixedly connected with the two connecting plates, and the other side of the tooth block is provided with two notches; the trouble caused by assembling the excavator caterpillar link group by the two excavator caterpillar link bodies can be avoided, the structure and the processing of the tooth block are very simple, and the processing cost is reduced.
Description
Technical Field
The utility model relates to the technical field of caterpillar links, in particular to a novel caterpillar link of an excavator.
Background
The excavator caterpillar link is an important component on an excavator, at present, when the excavator caterpillar link is produced, an excavator caterpillar link group is generally assembled by two symmetrical excavator caterpillar link bodies through a connecting shaft, then a plurality of excavator caterpillar link groups are assembled into an annular chain through pin shafts in sequence, and then power is transmitted among a plurality of chain wheels through the excavator caterpillar link in a chain form.
The excavator caterpillar track section group is formed by the two excavator caterpillar track section bodies, and then the plurality of excavator caterpillar track section groups are sequentially assembled, so that the assembly and the assembly are very troublesome, and the processing is relatively complex due to the irregularity of the excavator caterpillar track section bodies during production.
SUMMERY OF THE UTILITY MODEL
In view of the shortcomings and drawbacks of the prior art, it is an object of the present invention to provide a novel excavator track link that solves the problems of the prior excavator track link that the assembly and assembly are very troublesome and the machining is relatively complicated during production.
In order to solve the technical problems, the utility model adopts the following technical scheme: a novel excavator track joint comprises a plurality of excavator track joint groups which are sequentially connected in series, wherein two adjacent excavator track joint groups are rotatably connected through a connecting shaft, each excavator track joint group comprises a tooth block and two connecting plates, a rectangular tooth opening is formed in the center of the tooth block, one side of the tooth block is fixedly connected with the two connecting plates, the other side of the tooth block is provided with two notches into which the connecting plates of the adjacent excavator track joint groups can be inserted, each connecting plate is provided with a through hole, the connecting shaft comprises a first external thread section, a first optical axis section, a second external thread section, a second optical axis section and a third external thread section which are sequentially and coaxially connected, the excavator track joint groups are provided with a first internal thread section matched with the first external thread section, a second internal thread section matched with the second external thread section and a third internal thread section matched with the third external thread section at the notches, the axes of the first internal thread section, the second internal thread section and the third internal thread section are the same.
As a further improvement of the utility model, the upper plane of each tooth block is provided with a concave arc shape.
As a further improvement of the utility model, the connecting shaft further comprises a circular plate, wherein the circular plate is arranged at the end part of the first external thread section, and the diameter of the circular plate is larger than that of the first external thread section.
As a further improvement of the utility model, one end of the circular plate, which is far away from the first external thread section, is provided with a circular ring, and the circular ring is tangent to the circular plate.
In summary, the utility model has the following beneficial technical effects:
1. the tooth block is integrally formed, the tooth opening is directly formed in the tooth block, and the connecting plate is fixed on the tooth block, so that an excavator caterpillar link group is formed, the trouble caused by assembling two excavator caterpillar link bodies into the excavator caterpillar link group can be avoided, the tooth block is very simple in structure and machining, and the machining cost is reduced; in addition, the connecting shaft is arranged into a structure of a first external thread section, a first smooth shaft section, a second external thread section, a second smooth shaft section and a third external thread section, on the premise of rotating and connecting with the connecting plate, the structure of the first external thread section, the second external thread section, the third external thread section and the direct threaded connection of the tooth block is compared with the connecting mode of needing to be additionally matched with a nut or a fixing nail, the number of assembled pieces is reduced, the assembling and the maintenance are convenient, in addition, the connection is firmer, and the influence caused by screw tripping is reduced.
2. The upper plane of the tooth block is designed to be of a concave arc structure, so that the tooth block is beneficial to meshing with an external chain wheel during operation.
3. The circular plate is arranged on the connecting shaft, so that the limiting is provided for the connecting shaft, and the manual operation is facilitated.
4. Through set up the ring on the plectane, when twisting the connecting axle, the staff of being convenient for holds to better application of force.
Drawings
The utility model is further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of a connecting shaft;
FIG. 4 is a schematic diagram of the construction of an excavator track link set;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
in the figure: 1 excavator track section group, 11 tooth blocks, 12 connecting plates, 13 tooth openings, 14 notches, 15 first internal thread sections, 16 second internal thread sections, 17 third internal thread sections, 2 connecting shafts, 21 first external thread sections, 22 first smooth shaft sections, 23 second external thread sections, 24 second smooth shaft sections, 25 third external thread sections, 26 circular plates, 27 circular rings and 3 through holes.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
The embodiment of the utility model discloses a novel caterpillar link of an excavator. Referring to fig. 1 and 2, a novel excavator track link comprises a plurality of excavator track link groups 1 which are sequentially connected in series, two adjacent excavator track link groups 1 are rotatably connected through a connecting shaft 2, referring to fig. 4 and 5, each excavator track link group 1 comprises a tooth block 11 and two connecting plates 12, a rectangular tooth opening 13 is formed in the center of the tooth block 11, and in order to facilitate the engagement of the tooth block 11 and an external chain wheel, the upper plane of each tooth block 11 is designed to be in a concave arc shape. One side of the gear block 11 is fixedly connected with two connecting plates 12, the other side of the gear block 11 is provided with two notches 14 which can enable the connecting plates 12 of the adjacent excavator track link group 1 to be inserted, each connecting plate 12 is provided with a through hole 3, a rotating shaft can pass through the through hole 3, referring to fig. 3, the connecting shaft 2 comprises a first external thread section 21, a first smooth shaft section 22, a second external thread section 23, a second smooth shaft section 24 and a third external thread section 25 which are coaxially connected in sequence, the length of the connecting shaft 2 is the same as the width of the excavator track link group 1, in addition, a circular plate 26 is arranged at the end part of the first external thread section 21, the diameter of the circular plate is larger than that of the first external thread section 21, so that the limit is provided for the connecting shaft 2, further, in order to facilitate the holding of a worker when screwing the connecting shaft 2, so as to better apply force, a circular ring 27 is arranged at the end of the circular plate 26 far away from the first external thread section 21, the ring 27 is tangential to the circular plate 26.
In addition, the length of the first light shaft section 22 and the second light shaft section 24 is the same as the width of the notch 14, the diameter of the first light shaft section 22 and the second light shaft section 24 is larger than the diameter of the through hole 3 and smaller than the diameter of the first external thread section 21, the thread pitch and the diameter of the second external thread section 23 and the thread pitch and the diameter of the third external thread section 25 are the same, referring to fig. 5, the excavator track link group 1 is provided with a first internal thread section 15 matched with the first external thread section 21, a second internal thread section 16 matched with the second external thread section 23 and a third internal thread section 17 matched with the third external thread section 25 at the notch 14, and the axes of the first internal thread section 15, the second internal thread section 16 and the third internal thread section 17 are the same.
The excavator caterpillar track section set 1 has the advantages that the integrally formed toothed block 11 is arranged, the toothed opening 13 is directly formed in the toothed block 11, and the connecting plate 12 is fixed on the toothed block 11, so that the excavator caterpillar track section set 1 is formed, the trouble caused by assembling the excavator caterpillar track section set 1 by two excavator caterpillar track section bodies can be avoided, the structure and machining of the toothed block 11 are very simple, and the machining cost is reduced; in addition, the connecting shaft 2 is provided with a first external thread section 21, a first smooth shaft section 22, a second external thread section 23, a second smooth shaft section 24 and a third external thread section 25, on the premise of being rotationally connected with the connecting plate 12, the first external thread section 21, the second external thread section 23, the third external thread section 25 and the tooth block 11 are in direct threaded connection, the connection mode of nuts needing to be matched is avoided, the number of assembled parts is reduced, assembly and maintenance are convenient, connection is firmer, and influences caused by screw tripping are reduced.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the utility model, are given by way of illustration only, since various other embodiments will become apparent to those skilled in the art upon reference to the following detailed description.
Claims (4)
1. The utility model provides a novel excavator caterpillar link which characterized in that: the excavator track joint set comprises a plurality of excavator track joint sets which are sequentially connected in series, wherein two adjacent excavator track joint sets are rotationally connected through a connecting shaft, each excavator track joint set comprises a tooth block and two connecting plates, a rectangular tooth opening is formed in the center of the tooth block, one side of the tooth block is fixedly connected with the two connecting plates, the other side of the tooth block is provided with two notches into which the connecting plates of the adjacent excavator track joint sets can be inserted, each connecting plate is provided with a through hole, the connecting shaft comprises a first external thread section, a first optical shaft section, a second external thread section, a second optical shaft section and a third external thread section which are sequentially and coaxially connected, the excavator track joint sets are provided with a first internal thread section matched with the first external thread section, a second internal thread section matched with the second external thread section and a third internal thread section matched with the third external thread section at the notches, and the first internal thread section, The axes of the second internal thread section and the third internal thread section are the same.
2. The novel excavator track link of claim 1, wherein: the upper plane of each tooth block is set to be a concave arc.
3. A novel excavator track link as claimed in claim 1 or claim 2 wherein: the connecting shaft further comprises a circular plate, the circular plate is arranged at the end part of the first external thread section, and the diameter of the circular plate is larger than that of the first external thread section.
4. The novel excavator track link of claim 3, wherein: one end of the circular plate, which is far away from the first external thread section, is provided with a circular ring, and the circular ring is tangent to the circular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327708.6U CN215706757U (en) | 2021-09-25 | 2021-09-25 | Novel excavator caterpillar link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122327708.6U CN215706757U (en) | 2021-09-25 | 2021-09-25 | Novel excavator caterpillar link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215706757U true CN215706757U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122327708.6U Active CN215706757U (en) | 2021-09-25 | 2021-09-25 | Novel excavator caterpillar link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215706757U (en) |
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2021
- 2021-09-25 CN CN202122327708.6U patent/CN215706757U/en active Active
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