Wear-resistant gear

Abstract

The utility model provides a wear-resistant gear, and belongs to the field of gears. The gear solves the problems that long-time meshing rotation possibly causes abrasion of tooth portions of a gear, a large amount of material waste is caused by a gear replacement mode, and secondary machining of the gear possibly causes insufficient precision of the gear, and the gear comprises a gear body and a plurality of tooth portions located on the gear body, and is characterized in that the tooth portions are arranged on the gear body, and the tooth portions are arranged on the gear body. A replaceable abrasion part is arranged on the tooth part, matching parts used for being installed on the tooth part are arranged on the two sides of the abrasion part, buckling parts are arranged on the matching parts, inclined grooves abutting against the matching parts are formed in the two sides of the tooth part, clamping grooves matched with the buckling parts are formed in the inclined grooves, and the clamping parts are matched with the buckling parts. The front end of the tooth part is provided with an installation groove extending inwards, the abrasion part is provided with two installation parts used for being matched with the installation groove, the number of the installation parts is two, the installation parts are symmetrically arranged, the side edge of each installation part is provided with a limiting part, and a limiting groove is formed in each installation groove.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear field, and particularly relates to a wear -resisting gear. BACKGROUND

[0002] Gear can be meshed with other gears and rotate in work, and long time meshing and rotating can cause the tooth part of the gear to be worn, the traditional mode is mostly to replace the whole gear or to carry out secondary processing and polishing process to the gear, so that the gear equipment can operate, and the mode of replacing the gear can cause a large amount of material waste, and the secondary processing gear can cause the precision of the gear to be insufficient, so that the rotating effect of the gear is poor. SUMMARY

[0003] The utility model discloses a wear -resisting gear to solve the above -mentioned problems in the prior art.

[0004] The utility model discloses a wear -resisting gear, including the gear main part and the tooth part of a plurality of tooth parts on the gear main part, and its characterized in that the tooth part is provided with the replaceable wear part, and the wear part both sides are provided with the cooperation part for installing on the tooth part, the cooperation part is provided with the buckle part, the tooth part both sides are provided with the inclined slot of the mutual abutment with the cooperation part, and the inclined slot is provided with the card slot matched with the buckle part.

[0005] The front end of the tooth part is provided with the installation groove extending inwards, the wear part is provided with the installation part matched with the installation groove, the installation part is two, and is relatively symmetric, the side of the installation part is provided with the limiting part, and the installation groove is provided with the limiting groove.

[0006] In the wear -resisting gear, the port of the installation part is provided with the linkage rod extending into the installation groove, the linkage rod is provided with the connecting rod perpendicular to the linkage rod, and the connecting rod is provided with the arc-shaped separation part.

[0007] In the wear -resisting gear, the separation part is provided with the arc-shaped inclined part connected with the separation part and gradually reducing in diameter.

[0008] In the wear -resisting gear, the linkage rod, the connecting rod, the separation part and the inclined part on the two installation parts are relatively symmetric, and the arc opening direction of the separation part and the inclined part is opposite.

[0009] In the wear -resisting gear, the circular notch is arranged between the two installation parts, and the side of the two installation parts is inclined to the two sides.

[0010] In the above-mentioned wear-resistant gear, the tooth part is further provided with a threaded hole, the threaded hole is communicated with the mounting groove, a screw rod matched with the threaded hole is arranged on the threaded hole, and a protruding point matched with the separation part is arranged at the lower end of the screw rod.

[0011] Compared with the prior art, the wear-resistant gear can replace the worn part when the gear is worn, so that the gear can continue to be used, and waste of the gear is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a schematic view of the main body of the wear-resistant gear;

[0013] Figure 2 is a sectional view of the wear-resistant gear;

[0014] Figure 3 is a partial view of the wear-resistant gear;

[0015] Figure 4 is a sectional view of the wear-resistant gear.

[0016] In the figure, 1 is a gear body; 2 is a tooth part; 3 is a worn part; 4 is a matching part; 5 is a buckle part; 6 is an inclined groove; 7 is a clamping groove; 8 is a mounting groove; 9 is a mounting part; 10 is a limiting part; 11 is a limiting groove; 12 is a linkage rod; 13 is a connecting rod; 14 is a separation part; 15 is an inclined part; 16 is a slot; 17 is a threaded hole; 18 is a screw rod; and 19 is a protruding point. DETAILED DESCRIPTION

[0017] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0018] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 illustrated, the wear-resistant gear comprises a gear body 1 and a plurality of tooth parts 2 arranged on the gear body 1, the tooth part 2 is provided with a replaceable worn part 3, the two sides of the worn part 3 are provided with matching parts 4 for mounting on the tooth part 2, the matching part 4 is provided with a buckle part 5, the two sides of the tooth part 2 are provided with inclined grooves 6 abutting against each other with the matching part 4, and the inclined groove 6 is provided with a clamping groove 7 matched with the buckle part 5.

[0019] The front end of the tooth part 2 is provided with a mounting groove 8 extending inward, the worn part 3 is provided with mounting parts 9 matched with the mounting groove 8, the mounting parts 9 are two and symmetrically arranged, the side of the mounting part 9 is provided with a limiting part 10, and the mounting groove 8 is provided with a limiting groove 11.

[0020] The installation part 9 is provided with a linkage rod 12 extending into the installation groove 8, the linkage rod 12 is provided with a connecting rod 13 perpendicular to the linkage rod 12, the connecting rod 13 is provided with an arc-shaped separation part 14, the tooth part 2 is further provided with a threaded hole 17, the threaded hole 17 is communicated with the installation groove 8, the threaded hole 17 is provided with a screw rod 18 matched with the threaded hole 17, and the lower end of the screw rod 18 is provided with a convex point 19 matched with the separation part 14.

[0021] When replacing, the original wear part 3 is removed, the screw rod 18 is unscrewed, and then the wear part 3 is pulled out.

[0022] After the original wear part 3 is removed, the installation part 9 of the new wear part 3 is inserted into the installation groove 8 and the buckle groove 7 respectively, the screw rod 18 is screwed, the convex point 19 enters between the separation part 14, and the convex point 19 is pushed to the two sides, so that the limiting part 10 enters the limiting groove 11, thereby completing the replacement and locking.

[0023] Further, the separation part 14 is provided below with an arc-shaped inclined part 15 connected with the separation part 14 and gradually reducing in diameter, facilitating the insertion of the convex point 19, and the separation part 14 moves to the two sides due to the gradually reducing diameter.

[0024] Further, the linkage rod 12, the connecting rod 13, the separation part 14 and the inclined part 15 on the two installation parts 9 are relatively symmetrical, and the arc-shaped directions of the separation part 14 and the inclined part 15 are opposite.

[0025] Further, the two installation parts 9 are provided with a circular notch 16, and the two installation parts 9 are inclined to the two sides, facilitating the slight folding of the installation part 9 to the two sides.

[0026] Further, the installation part 9 is made of a metal material with a certain elastic reset ability.

[0027] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0028] Although the terms gear body 1, tooth part 2, wear part 3, fitting part 4, buckle part 5, inclined slot 6, clamping slot 7, mounting slot 8, mounting part 9, limiting part 10, limiting slot 11, linkage rod 12, connecting rod 13, separation part 14, inclined part 15, notch 16, threaded hole 17, screw 18, convex point 19 and the like are used more in the text, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A wear-resistant gear, comprising a gear body (1) and a plurality of teeth (2) located on the gear body (1), characterized in that, The tooth (2) is provided with a replaceable wear part (3), and the wear part (3) is provided with a mating part (4) on both sides for mounting on the tooth (2). The mating part (4) is provided with a snap-fit ​​part (5). The tooth (2) is provided with inclined grooves (6) on both sides that abut against the mating part (4). The inclined grooves (6) are provided with slots (7) that cooperate with the snap-fit ​​part (5). The front end of the toothed part (2) is provided with an inwardly extending mounting groove (8), and the wear part (3) is provided with a mounting part (9) for cooperating with the mounting groove (8). There are two mounting parts (9) and they are arranged symmetrically. A limiting part (10) is provided on the side of the mounting part (9), and a limiting groove (11) is provided in the mounting groove (8).

2. The wear-resistant gear according to claim 1, characterized in that, A linkage rod (12) extending into the mounting groove (8) is provided at the port of the mounting part (9). A connecting rod (13) perpendicular to the linkage rod (12) is provided on the linkage rod (12). An arc-shaped separation part (14) is provided on the connecting rod (13).

3. The wear-resistant gear according to claim 2, characterized in that, Below the separation part (14), there is an arc-shaped inclined part (15) connected to it, and the diameter gradually decreases.

4. The wear-resistant gear according to claim 3, characterized in that, The linkage rod (12), connecting rod (13), separation part (14) and inclined part (15) located on the two mounting parts (9) are symmetrically arranged, and the arc direction of the separation part (14) and the inclined part (15) are opposite.

5. The wear-resistant gear according to claim 1, characterized in that, A circular slot (16) is provided between the two mounting parts (9), and the two mounting parts (9) are inclined to both sides on opposite sides.

6. The wear-resistant gear according to claim 1, characterized in that, The toothed part (2) is also provided with a threaded hole (17), which is connected to the mounting groove (8). A screw (18) is provided on the threaded hole (17) to cooperate with it. A protrusion (19) is provided at the lower end of the screw (18) to cooperate with the separation part (14).

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