High-strength and high-wear-resistance agricultural machine chain

Abstract

The high-strength and high-wear-resistance agricultural machine chain comprises an outer chain plate, an inner chain plate, a roller and a pin shaft, the roller is arranged in the middle of the pin shaft, the outer chain plate and the inner chain plate are arranged in an overlapping mode in the length direction of the pin shaft, the outer chain plate is located on the outer side of the inner chain plate, and the inner chain plate is located on the outer side of the pin shaft. The two ends of the pin shaft are sequentially connected with the inner chain plate and the outer chain plate, the agricultural machine chain further comprises a buffering piece, a protruding part is arranged on the outer side face of the outer chain plate, a kidney-shaped hole is formed in the protruding part, and the buffering piece is arranged in the kidney-shaped hole in a sliding mode; according to the agricultural machine chain, the strength of the agricultural machine chain can be effectively improved while abrasion is reduced by arranging the buffering piece.

Description

Technical Field

[0001] The utility model relates to the technical field of chains, in particular to a high-strength and high-wear-resistant agricultural machinery chain. Background Art

[0002] Agricultural machinery chains are the main power transmission components in agricultural machinery and equipment, and are widely used in various agricultural machinery and equipment such as tractors, harvesters, and seeders. Agricultural machinery and equipment often encounter high-impact environments during use. For example, when a large amount of crops needs to be processed, the agricultural machinery chain will be subjected to greater stress, increasing the risk of breakage; encountering uneven farmland will cause the equipment to produce bumps and impacts during driving, which are then transmitted to the agricultural machinery chain; stones, debris, etc. in the soil entering the transmission system may jam the agricultural machinery chain or sprocket, causing sudden impact, thereby affecting the service life of the agricultural machinery chain, and the working efficiency and reliability of agricultural machinery equipment are difficult to guarantee. Utility Model Content

[0003] The purpose of the utility model is to provide a high-strength and high-wear-resistant agricultural machinery chain to solve the problems raised in the above background technology.

[0004] To achieve the above purpose, the present invention provides the following technical solutions:

[0005] A high-strength and high-wear-resistant agricultural machinery chain includes an outer link plate, an inner link plate, a roller, and a pin shaft. A roller is provided in the middle of the pin shaft. The outer link plate and the inner link plate are overlapped along the length direction of the pin shaft. The outer link plate is located on the outside of the inner link plate. Both ends of the pin shaft are connected to the inner link plate and the outer link plate in sequence. The agricultural machinery chain also includes a buffer component. A protrusion is provided on the outer side surface of the outer link plate. A waist-shaped hole is provided in the protrusion. The buffer component can be slidably arranged in the waist-shaped hole.

[0006] Furthermore, the inner link plate and the outer link plate are both provided with a pin shaft hole, and the pin shaft and the pin shaft hole are in interference fit.

[0007] Furthermore, a first elastic washer is provided between the inner link plate and the roller.

[0008] Furthermore, a second elastic washer is provided between the inner link plate and the outer link plate.

[0009] Furthermore, the radius R2 of the outer contour of the first elastic washer is consistent with the radius of the outer contour of the roller, and the radius R1 of the inner contour of the first elastic washer is consistent with the radius of the pin shaft.

[0010] Furthermore, the radius R3 of the inner contour of the second elastic washer is consistent with the radius of the pin shaft, and the overlapping area of ​​the outer link plate and the inner link plate is adapted to the outer contour of the second elastic washer.

[0011] Furthermore, the buffer includes a straight portion and two symmetrically arranged arc-shaped corner portions, one end of the arc-shaped corner portion is connected to the straight portion, and the other end is connected to the outer link plate. A waist-shaped hole is opened in the middle of the outer link plate for the arc-shaped corner portion to pass through, and the buffer can slide along the waist-shaped hole.

[0012] Furthermore, a protrusion for reinforcing the buffer component is provided on one side of the outer link plate, and the waist-shaped hole extends to the outside of the protrusion.

[0013] Furthermore, a slide plate is provided at the center of the arc-shaped corner portion, and two sides of the slide plate are connected to the inner wall of the arc-shaped corner portion through springs.

[0014] Furthermore, the surfaces of the inner link plate and the outer link plate are both provided with a wear-resistant layer.

[0015] The use of the tensile wear-resistant dryer chain in the utility model has the following technical effects:

[0016] The high-strength and high-wear-resistant agricultural machinery chain of the utility model slides in the waist-shaped hole through the buffer part. A slide plate is provided at the center of the arc-shaped corner part. The two sides of the slide plate are connected to the inner wall of the arc-shaped corner part through springs, which effectively relieves the lateral tension of the chain and improves the chain strength. At the same time, the surfaces of the inner chain plate and the outer chain plate are coated with a wear-resistant layer; elastic pads are provided between the roller and the inner chain plate, and between the inner chain plate and the outer chain plate, which can effectively improve the wear resistance of the agricultural machinery chain. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the high-strength and high-wear-resistant agricultural machinery chain of the utility model;

[0018] Figure 2 for Figure 1 A partial enlarged view of point A;

[0019] Figure 3 is a structural schematic diagram of the first elastic washer;

[0020] Figure 4 is a schematic structural diagram of the second elastic washer;

[0021] Figure 5 It is a structural diagram of the outer side of the outer chain plate;

[0022] Figure 6 It is a structural diagram of the inner side of the outer link plate;

[0023] Figure 7 Schematic diagram of the structure of the inner link plate.

[0024] 1. Outer link plate, 11. First outer link plate, 12. Second outer link plate, 13. Third outer link plate, 14. Fourth outer link plate, 2. Inner link plate, 3. Roller, 41. First elastic washer, 411. Outer wall of first elastic washer, 412. Inner wall of first elastic washer, 42. Second elastic washer, 421. Outer wall of second elastic washer, 422. Inner wall of second elastic washer, 5. Protrusion, 51. First protrusion, 52. Second protrusion, 53. Third protrusion, 54. Fourth protrusion, 6. Buffer, 61. Straight portion, 62. Arc-shaped corner portion, 63. Slide plate, 64. Spring, 7. Pin hole, 8. Waist-shaped hole, 9. Pin. DETAILED DESCRIPTION

[0025] In order to clearly illustrate the design concept of the present invention, the present invention is described below with reference to examples.

[0026] In order to help those skilled in the art better understand the solution of the utility model, the technical solution of the utility model is clearly and completely described below in conjunction with the drawings in the examples of the utility model. Obviously, the examples described are only part of the examples of the utility model, not all of them. Based on the examples of the utility model, all other implementation methods obtained by those skilled in the art without making any creative efforts should fall within the scope of protection of the utility model.

[0027] In the description of this embodiment, the orientations or positional relationships indicated by the terms are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and 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. Therefore, they cannot be understood as a limitation on the present invention.

[0028] like Figure 1-Figure 7As shown, a high-strength and highly wear-resistant agricultural machinery chain includes an outer link plate 1, an inner link plate 2, a roller 3, and a pin 9. The roller 3 is disposed in the middle of the pin 9. The outer link plate 1 and the inner link plate 2 are arranged to overlap along the length of the pin 9. The outer link plate 1 is located outside the inner link plate 2. The inner link plate 2 and the outer link plate 1 are connected to each other at both ends of the pin 9. The agricultural machinery chain also includes a buffer 6. The outer link plate 1 has a protrusion 5 disposed on its outer surface. The protrusion 5 has a waist-shaped hole 8 disposed therein. The buffer 6 is slidably disposed in the waist-shaped hole 8. The provision of the protrusion 5 strengthens the connection between the buffer 6 and the outer link plate 1. The sliding of the buffer 6 in the waist-shaped hole 8 effectively relieves the lateral tension of the agricultural machinery chain, thereby improving the strength of the agricultural machinery chain. Pin holes 7 are provided on both the inner link plate 2 and the outer link plate 1. The pin 9 and the pin holes 7 have an interference fit. A first elastic washer 41 is provided between the inner link plate 2 and the roller 3 to reduce the friction between the inner link plate 2 and the roller 3; a second elastic washer 42 is provided between the inner link plate 2 and the outer link plate 1 to reduce the friction between the inner link plate 2 and the outer link plate 1; the radius R2 of the outer contour of the first elastic washer 41 is consistent with the radius of the outer contour of the roller 3, and the radius R1 of the inner contour of the first elastic washer 41 is consistent with the radius of the pin 9, while reducing the friction between the inner link plate 2 and the roller 3, ensuring that the pin 9 can smoothly pass through the first elastic washer 41; the radius R3 of the inner contour of the second elastic washer 42 is consistent with the radius of the pin 9, and the overlapping area of ​​the outer link plate 1 and the inner link plate 2 is adapted to the outer contour of the second elastic washer 42, that is, the second elastic washer 4 The radius R4 of the outer contour arc of the outer link plate 1 is consistent with the radius R5 of the outer contour arc of the outer link plate 1, and the radius R4 of the outer contour arc of the second elastic washer 42 is consistent with the radius R6 of the outer contour arc of the inner link plate 2, ensuring that the pin shaft 9 can smoothly pass through the second elastic washer 42 and reducing the friction between the outer link plate 1 and the inner link plate 2; the buffer 6 includes a straight portion 61 and two symmetrically arranged arc-shaped corner portions 62, one end of the arc-shaped corner portion 62 is connected to the straight portion 61, and the other end is connected to the outer link plate 1. A waist-shaped hole 8 for the arc-shaped corner portion 62 to pass through is opened in the middle of the outer link plate 1. The buffer 6 can slide along the waist-shaped hole 8. The sliding of the buffer 6 in the waist-shaped hole 8 effectively relieves the lateral tension of the chain and improves the chain strength. A protrusion 5 for reinforcing the buffer 6 is also provided on the outside or inside of the outer link plate 1, with a waist-shaped hole 8 extending to the outside of the protrusion 5. A slide plate 63 is provided at the center of the arc-shaped corner portion 62, and its two sides are connected to the inner wall of the arc-shaped corner portion 62 via springs 64. The springs 64 on both sides of the slide plate 63 can relieve the lateral stress of the agricultural machinery chain, thereby improving the strength of the agricultural machinery chain. Both the inner link plate 2 and the outer link plate 1 are provided with a wear-resistant layer to improve the wear resistance of the agricultural machinery chain. Specifically, it can be a nano-ceramic coating.

[0029] like Figure 1As shown, a buffer member 6 is provided between the first outer link plate 11 and the second outer link plate 12, and a buffer member 6 is also provided between the third outer link plate 13 and the fourth outer link plate 14. When the agricultural machinery chain is subjected to external impact and stress is generated inside it, the arc-shaped corner portion 62 in the buffer member 6 slides along the waist-shaped hole 8, thereby effectively relieving the stress. The external impact will also be further alleviated through the extrusion deformation of the springs 64 on both sides of the slide plate 63, thereby improving the strength of the agricultural machinery chain.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application.

[0031] Finally, it should be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, and the present invention is not limited thereto. Those skilled in the art will be able to make various modifications and improvements without departing from the principles and essence of the present invention, and such modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A high-strength and high-wear-resistant agricultural machinery chain, comprising an outer link plate, an inner link plate, a roller, and a pin shaft, wherein a roller is provided in the middle of the pin shaft, the outer link plate and the inner link plate are overlapped along the length direction of the pin shaft, the outer link plate is located outside the inner link plate, and both ends of the pin shaft are sequentially connected to the inner link plate and the outer link plate, characterized in that: The agricultural machinery chain also includes a buffer component. A protrusion is provided on the outer side surface of the outer link plate. A waist-shaped hole is provided in the protrusion. The buffer component can be slidably arranged in the waist-shaped hole.

2. The high-strength and high-wear-resistant agricultural machinery chain according to claim 1, characterized in that: The inner link plate and the outer link plate are both provided with a pin shaft hole, and the pin shaft and the pin shaft hole are in interference fit.

3. The high-strength and high-wear-resistant agricultural machinery chain according to claim 1, characterized in that: A first elastic washer is provided between the inner link plate and the roller.

4. The high-strength and high-wear-resistant agricultural machinery chain according to claim 1, characterized in that: A second elastic washer is provided between the inner link plate and the outer link plate.

5. The high-strength and high-wear-resistant agricultural machinery chain according to claim 3, characterized in that: The radius R2 of the outer contour of the first elastic washer is consistent with the radius of the outer contour of the roller, and the radius R1 of the inner contour of the first elastic washer is consistent with the radius of the pin shaft.

6. The high-strength and high-wear-resistant agricultural machinery chain according to claim 4, characterized in that: The radius R3 of the inner contour of the second elastic washer is consistent with the radius of the pin shaft, and the overlapping area of ​​the outer link plate and the inner link plate is adapted to the outer contour of the second elastic washer.

7. The high-strength and high-wear-resistant agricultural machinery chain according to claim 1, characterized in that: The buffer includes a straight portion and two symmetrically arranged arc-shaped corner portions, one end of the arc-shaped corner portion is connected to the straight portion, and the other end is connected to the outer link plate. A waist-shaped hole is opened in the middle of the outer link plate for the arc-shaped corner portion to pass through, and the buffer can slide along the waist-shaped hole.

8. The high-strength and high-wear-resistant agricultural machinery chain according to claim 7, characterized in that A protrusion for reinforcing the buffer member is further provided on one side of the outer link plate, and the waist-shaped hole extends to the outside of the protrusion.

9. The high-strength and high-wear-resistant agricultural machinery chain according to claim 7, characterized in that: A slide plate is provided at the center of the circular arc corner portion, and two sides of the slide plate are connected to the inner wall of the circular arc corner portion through springs.

10. The high-strength and high-wear-resistant agricultural machinery chain according to claim 1, characterized in that: The surfaces of the inner link plate and the outer link plate are both provided with a wear-resistant layer.

Images