CN215245185U - Crawler belt link capable of preventing abrasion of sector notch - Google Patents
Crawler belt link capable of preventing abrasion of sector notch Download PDFInfo
- Publication number
- CN215245185U CN215245185U CN202121858310.9U CN202121858310U CN215245185U CN 215245185 U CN215245185 U CN 215245185U CN 202121858310 U CN202121858310 U CN 202121858310U CN 215245185 U CN215245185 U CN 215245185U
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- China
- Prior art keywords
- chain link
- link portion
- track
- drum
- pin shaft
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Abstract
The utility model provides a prevent track chain link of scallop wearing and tearing, left chain link portion and right chain link portion including the left and right side structure symmetry, the one end of left chain link portion and right chain link portion is passed through the drum and is connected, the drum is hollow structure, the cover has been cup jointed in the both ends of drum, two notch grooves have been seted up on the middle part face of left chain link portion and right chain link portion, set up downwardly extending's bolt through-hole on the bottom cell wall of notch groove, the top of left chain link portion and right chain link portion is connected with the top layer, the round pin shaft hole has been seted up to the other end of left chain link portion and right chain link portion, be connected with the top layer on the inside wall of seting up round pin shaft hole in left chain link portion and the right chain link portion. The utility model discloses set up wear-resisting pad cover in drum both ends junction, the top and the round pin shaft hole department of the easy wearing and tearing of chain link portion set up the top layer of sacrificial wearing and tearing material about to the easy impaired position of protection, thereby prevent the scallop wearing and tearing of track chain link.
Description
Technical Field
The utility model relates to a chain link field especially relates to a prevent track chain link of scallop wearing and tearing.
Background
Endless track chains are commonly used in tractors, excavators and other track-type machines, including links, track pin bushings, track pins and track shoes, which utilize the track as a ground-engaging propulsion element, the links of the track being connected together by track pins, the track links being bolted to track shoes, the upper surfaces of the track links being in contact with idlers, forming a wear band on the upper surfaces of the links, the wear band having a cross-sectional area or width that limits the scallops of the track links during wear, the track components being relatively expensive to maintain and replace, and the downtime resulting in significant economic losses, and therefore, methods to reduce and manage wear between the track components are being developed.
Disclosure of Invention
To solve the above problems, the present invention provides a track link for preventing abrasion of a scallop.
The utility model discloses the technical scheme who takes:
the utility model provides a prevent track chain link of scallop wearing and tearing, left chain link portion and right chain link portion including the left and right side structure symmetry, the one end of left chain link portion and right chain link portion is passed through the drum and is connected, the drum is hollow structure, the cover has been cup jointed in the both ends of drum, two notch grooves have been seted up on the middle part face of left chain link portion and right chain link portion, set up downwardly extending's bolt through-hole on the bottom cell wall of notch groove, the top of left chain link portion and right chain link portion is connected with the top layer, the round pin shaft hole has been seted up to the other end of left chain link portion and right chain link portion, be connected with the top layer on the inside wall of seting up round pin shaft hole in left chain link portion and the right chain link portion.
One end of the cushion cover is provided with an outer convex edge protruding towards the outer periphery, and the outer convex edge is exposed at the outer side of the cylinder.
The cushion cover is made of CrB steel or Cr steel with hardness higher than that of cast steel.
The upper surface layer is welded on the upper surfaces of the left chain link part and the right chain link part in a brazing or soldering mode.
The upper surface layer and the inner surface layer are made of sacrificial wear materials.
The inner side surface of one end of the left chain link part and the right chain link part, which is provided with the pin shaft hole, is provided with a groove matched with the cylinder end.
The utility model has the advantages that: the utility model discloses set up wear-resisting pad cover in drum both ends junction, the top and the round pin shaft hole department of the easy wearing and tearing of chain link portion set up the top layer of sacrificial wearing and tearing material about to the easy impaired position of protection, thereby prevent the scallop wearing and tearing of track chain link.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the link connection of the present invention.
Wherein: 1-left link portion; 2-right link section; 3-cylinder; 4-upper surface layer; 5-a notch groove; 6-bolt through hole; 7-cushion cover; 8-pin shaft holes; 9-inner surface layer; 10-groove.
Detailed Description
A crawler belt chain link for preventing abrasion of a fan-shaped notch comprises a left chain link part 1 and a right chain link part 2 which are symmetrical in left and right surface structures, one ends of the left chain link part 1 and the right chain link part 2 are connected through a cylinder 3, the cylinder 3 is of a hollow structure, a cushion cover 7 is sleeved in two ends of the cylinder 3, two notch grooves 5 are formed in the middle plate surfaces of the left chain link part 1 and the right chain link part 2, a bolt through hole 6 extending downwards is formed in the bottom groove wall of each notch groove 5, the top parts of the left chain link part 1 and the right chain link part 2 are connected with an upper surface layer 4, the other ends of the left chain link part 1 and the right chain link part 2 are provided with a pin shaft hole 8, an inner surface layer 9 is connected onto the inner side wall of the pin shaft hole 8 formed in the left chain link part 1 and the right chain link part 2, the upper surface layer 4 and the inner surface layer 9 are made of sacrificial abrasion materials, the sacrificial abrasion materials can be caused in the contact process of the top parts of the left chain link part 1 and the right chain link part 2 and an idler wheel at a certain speed rate, this rate compensates for the wear of the surfaces of the left and right link parts 1 and 2, thereby preventing the formation of scallops.
One end of the cushion cover 7 is provided with an outer convex edge protruding towards the periphery, and the outer convex edge is exposed outside the cylinder 3. The cushion cover 7 is made of CrB steel or Cr steel with hardness larger than cast steel, the outer diameter of the cushion cover 7 is the same as the inner diameter of the cylinder 3, the cushion cover 7 is pressed into the cylinder 3, and when the front chain link and the rear chain link are connected, a track pin penetrates into the cylinder 3.
The upper surface layer 4 is welded on the upper surfaces of the left chain link part 1 and the right chain link part 2 in a brazing or soldering mode, and filling metal is melted by a heat source and is sucked into a joint between the upper surface layer 4 and the top of the left chain link part 1 through capillary action, so that the service life of the top of the left chain link part 1 and the top of the right chain link part 2 is prolonged.
Left side chain link portion 1 and right chain link portion 2 the medial surface of seting up 8 one ends in pin shaft hole set up the recess 10 of cooperation drum 3 end, when two sections chain links are connected, the left side chain link portion 1 of back chain link and the drum 3 end of right chain link portion 2 are connected between the both sides recess 10 of preceding chain link, pin shaft hole 8 and drum 3 are corresponding, and cross-under track round pin in the cavity, be connected with inner skin 9 on the inside wall of seting up pin shaft hole 8 on left side chain link portion 1 and right chain link portion 2, inner skin 9 is sacrificial wearing and tearing material, during chain drive, sacrificial inner skin wearing and tearing, thereby reduce the wearing and tearing of other positions of front and back chain link, the working life of extension chain link.
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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed 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 at least one such 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," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a prevent track chain link of scallop wearing and tearing, a serial communication port, left chain link portion (1) and right chain link portion (2) including left and right side structure symmetry, drum (3) are passed through to the one end of left chain link portion (1) and right chain link portion (2) and are connected, drum (3) are hollow structure, cover (7) have been cup jointed in the both ends of drum (3), two notch grooves (5) have been seted up on the middle part face of left chain link portion (1) and right chain link portion (2), downwardly extending's bolt through-hole (6) have been seted up on the bottom cell wall of notch groove (5), the top of left chain link portion (1) and right chain link portion (2) is connected with top layer (4), round pin shaft hole (8) have been seted up to the other end of left chain link portion (1) and right chain link portion (2), be connected with on the inside wall of seting up round pin shaft hole (8) on left chain link portion (1) and right chain link portion (2) and be connected with interior top layer (9).
2. Track link according to claim 1, characterized in that the said pad (7) has an outer convex edge at one end, which is convex towards the periphery, and which is exposed outside the cylinder (3).
3. Track link for protection against scallop wear, according to claim 2, characterized in that the material of the said spacer (7) is CrB or Cr steel with a hardness greater than that of the cast steel.
4. The track link of claim 1, wherein the upper skin (4) is brazed or soldered to the upper surfaces of the left (1) and right (2) link portions.
5. Track link for protection against scallop wear, according to claim 1, characterized in that said upper (4) and inner (9) skins are of sacrificial wear material.
6. The track link for preventing scallop wear of claim 1, wherein the inner side surface of the end of the left link part (1) and the right link part (2) where the pin shaft hole (8) is formed is provided with a groove (10) matching the end of the cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121858310.9U CN215245185U (en) | 2021-08-10 | 2021-08-10 | Crawler belt link capable of preventing abrasion of sector notch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121858310.9U CN215245185U (en) | 2021-08-10 | 2021-08-10 | Crawler belt link capable of preventing abrasion of sector notch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215245185U true CN215245185U (en) | 2021-12-21 |
Family
ID=79497258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121858310.9U Active CN215245185U (en) | 2021-08-10 | 2021-08-10 | Crawler belt link capable of preventing abrasion of sector notch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215245185U (en) |
-
2021
- 2021-08-10 CN CN202121858310.9U patent/CN215245185U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |