Wear-resistant high-strength gear

Abstract

The wear-resistant high-strength gear comprises a front gear body and a rear gear body, fixed tooth blocks are fixedly installed on the outer side of the front gear body and the outer side of the rear gear body at equal angles, and lead screws are rotationally arranged on the inner sides of the fixed tooth blocks; the outer side of the lead screw is in threaded connection with a movable tooth block, and a sliding block is fixedly installed below the movable tooth block. A limiting rod is fixedly mounted on one side of the front gear, and a movable tooth block is slidably connected to the outer side of the limiting rod. A front fixing disc is arranged on the front side of the front gear, and a rear fixing disc is arranged on the rear side of the rear gear. Limiting grooves are formed in the front gear, the front fixing disc, the rear gear and the rear fixing disc at equal angles, and fixing screws are arranged in the limiting grooves in a penetrating mode. According to the wear-resistant high-strength gear, the movable gear blocks are arranged on the outer sides of the front gear and the rear gear in a sliding mode, so that the number of the gear blocks can be adjusted after the front gear and the rear gear rotate, and the applicability of the gear is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear manufacturing, in particular to a wear-resistant high-strength gear. Background Art

[0002] Gears refer to mechanical components with gears on the wheel rim that continuously mesh to transmit motion and power. The application of gears in transmission has appeared very early. With the development of production, the smoothness of gear operation has been valued. Gears are mechanical parts with teeth that can mesh with each other. They are widely used in mechanical transmission and the entire mechanical field.

[0003] Publication No. "CN114939664A" is a high-strength wear-resistant gear processing technology. The gear is assembled from a substrate and a plurality of gear rods. The substrate is made of 30-50 parts of hardened steel blocks, 5-10 parts of nickel powder, 5-10 parts of tungsten powder, 1-3 parts of niobium powder, 5-10 parts of titanium powder 200 mesh, and 5-10 parts of iron powder as main raw materials. The gear is made of iron-molybdenum alloy. The present invention selects nickel powder, tungsten powder, niobium powder, titanium powder, iron powder and other metal materials on the basis of hardened steel raw materials. The addition of tungsten can greatly improve the high temperature resistance of the gear body, and niobium and titanium can greatly improve the corrosion resistance and strength of the gear, thereby improving the mechanical properties of the gear. The gear is provided with a hot dip process to strengthen the grain structure, and at the same time change the grain structure and distribution, and further improve the strength of the gear. By opening a plurality of small holes on the surface of the substrate and installing welded spiral airflow guide plates inside the small holes, airflow can be generated when the gear is rotated and used, and the gear is heat-dissipated to extend the service life of the gear.

[0004] The strength and wear resistance of the gear are enhanced by changing its material, but the high-strength and wear-resistant gear is made in one piece, so the number of tooth blocks on its outer side cannot be adjusted, which is not conducive to improving the applicability of the high-strength and wear-resistant gear. Therefore, we proposed that the wear-resistant high-strength gear can solve the above problems well. Utility Model Content

[0005] The purpose of the utility model is to provide a wear-resistant high-strength gear to solve the problem raised in the above-mentioned background technology that the strength and wear resistance of gears on the current market are enhanced by changing their materials, but the high-strength wear-resistant gear is made in one piece, so the number of tooth blocks on its outer side cannot be adjusted, which is not conducive to improving the applicability of the high-strength wear-resistant gear.

[0006] To achieve the above object, the utility model provides the following technical solution: a wear-resistant high-strength gear, comprising a front gear and a rear gear, wherein fixed tooth blocks are fixedly installed at equal angles on the outside of the front gear and the rear gear, and a screw rod is rotatably arranged on the inside of the fixed tooth block;

[0007] The invention also includes: a movable tooth block is threadedly connected to the outer side of the screw rod, a slider is fixedly installed under the movable tooth block, and the slider is slidably arranged on the outer side of the front gear and the rear gear;

[0008] A limiting rod is fixedly installed on one side of the front gear, and a movable gear block is slidably connected to the outer side of the limiting rod.

[0009] Preferably, a front fixed plate is provided on the front side of the front gear, and a rear fixed plate is provided on the rear side of the rear gear.

[0010] Preferably, the front gear, the front fixed plate, the rear gear and the rear fixed plate are all provided with limiting grooves at equal angles, and fixing screws are provided through the limiting grooves.

[0011] Preferably, a fixing nut is threadedly connected to the outer side of the rear end of the fixing screw, and the front gear and the rear gear are limited and fixed by the cooperation of the fixing nut and the fixing screw.

[0012] Preferably, eight groups of fixed gear blocks and movable gear blocks are arranged on the outer sides of the front gear and the rear gear, and sliding grooves for the movable gear blocks to move are opened on the outer sides of the front gear and the rear gear.

[0013] Preferably, the fixed tooth block and the movable tooth block are both in an inverted "T"-shaped structure in a front cross-sectional view, and the outer sides of the fixed tooth block and the movable tooth block are both in an arc-shaped structure.

[0014] Preferably, six groups of the fixing screws and the fixing nuts are provided, and the fixing screws and the fixing nuts are provided with corresponding limiting grooves, and the fixing screws and the fixing nuts are both located on the inner side of the front gear and the rear gear.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the wear-resistant high-strength gear is provided with a movable tooth block sliding on the outside of the front gear and the rear gear, so that the number of tooth blocks can be adjusted after the front gear and the rear gear rotate, which is beneficial to improving the applicability of the gear; the specific contents are as follows:

[0016] A screw rod is provided, and the screw rod is manually rotated. Since a movable tooth block is threadedly connected to the outer side of one end of the screw rod, the screw rod will drive the movable tooth block to move outside the front gear and the rear gear. When the movable tooth block moves to the outer side of the front gear and the rear gear, the outer side of the gear can be meshed with parts with different numbers of teeth, which is conducive to improving the applicability of the gear.

[0017] A limit rod is provided. When the movable tooth block moves, the movable tooth block will slide outside the two sets of limit rods. The movable tooth block can be limited by the limit rod to prevent the movable tooth block from rotating with the lead screw, which is beneficial to improve the stability of the movable tooth block and improve the strength of the gear.

[0018] A slider is provided, and the movement of the movable tooth block will drive the slider to move in the slide groove provided on the outside of the front gear and the rear gear. The slider improves the stability of the movement of the movable tooth block, which is beneficial to improving the strength of the gear;

[0019] A front fixed plate and a rear fixed plate are provided, and the front gear and the rear gear are manually fitted together, and then the front fixed plate is manually placed in front of the front gear, and the rear fixed plate is placed behind the rear gear. Six sets of fixing screws are passed through the front fixed plate, the front gear, the rear gear and the rear fixed plate in sequence, and the fixing nut is manually threadedly connected to the outer side of the rear end of the fixing screw. At this time, the front gear and the rear gear are limited and fixed by the cooperation of the front fixed plate and the rear fixed plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 This is a front view structural diagram of the front gear of the utility model;

[0022] Figure 3 This is a schematic diagram of the side section structure of the screw rod of the utility model;

[0023] Figure 4 This is a rear view structural diagram of the rear gear of the utility model;

[0024] Figure 5 This is a schematic diagram of the moving structure of the movable gear block of the utility model;

[0025] Figure 6 This is a schematic diagram of the top-sectional structure of the limit rod of the utility model;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the fixed gear block and the movable gear block of the utility model.

[0027] In the figure: 1. front gear; 2. fixed gear block; 3. screw rod; 4. limit rod; 5. front fixed plate; 6. fixed screw rod; 7. movable gear block; 8. rear fixed plate; 9. rear gear; 10. fixed nut; 11. slider. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1: Solved the problem that gears cannot mesh with parts of different widths. Figure 1-Figure 7The utility model provides a technical solution: a wear-resistant high-strength gear, comprising a front gear 1 and a rear gear 9, wherein a fixed tooth block 2 is fixedly installed at an equal angle on the outside of the front gear 1 and the rear gear 9, and a screw rod 3 is rotatably arranged on the inside of the fixed tooth block 2;

[0030] It also includes: a movable tooth block 7 is threadedly connected to the outer side of the screw rod 3, and a slider 11 is fixedly installed under the movable tooth block 7, and the slider 11 is slidably arranged on the outer side of the front gear 1 and the rear gear 9; a limiting rod 4 is fixedly installed on one side of the front gear 1, and a movable tooth block 7 is slidably connected to the outer side of the limiting rod 4; a front fixed disk 5 is arranged on the front side of the front gear 1, and a rear fixed disk 8 is arranged on the rear side of the rear gear 9; limiting grooves are provided at equal angles on the front gear 1, the front fixed disk 5, the rear gear 9 and the rear fixed disk 8, and a fixing screw 6 is penetrated in the limiting groove; a fixing nut 10 is threadedly connected to the outer side of the rear end of the fixing screw 6, and the front gear 1 and the rear gear 9 are limited and fixed by the fixing nut 10 and the fixing screw 6;

[0031] First, manually fit the front gear 1 and the rear gear 9, at this time, the rear gear 9 will be located at the rear side of the front gear 1, and then manually place the front fixed plate 5 on the front side of the front gear 1, and place the rear fixed plate 8 on the rear side of the rear gear 9, and pass through the front fixed plate 5, the front gear 1, the rear gear 9 and the rear fixed plate 8 in sequence through six sets of fixed screws 6, and manually thread the fixing nut 10 to the outer side of the rear end of the fixing screw 6. At this time, the front gear 1 and the rear gear 9 are limited and fixed by the cooperation of the fixing screw 6 and the fixing nut 10. At this time, the fixed tooth block 2 and the movable tooth block 7 set on the outer side of the front gear 1 and the rear gear 9 can be meshed and connected with the external parts, thereby increasing the width of the gear, which is beneficial to the use of the gear;

[0032] Embodiment 2: In this embodiment, if Figure 1-Figure 4 As shown, based on the first embodiment, a structure for meshing and connecting parts with different numbers of teeth of a gear is also disclosed, and the specific contents are as follows;

[0033] Eight groups of fixed tooth blocks 2 and movable tooth blocks 7 are arranged on the outside of the front gear 1 and the rear gear 9, and a slide groove for the movable tooth block 7 to move is opened on the outside of the front gear 1 and the rear gear 9; the fixed tooth block 2 and the movable tooth block 7 are both inverted "T"-shaped structures in front cross-section, and the fixed tooth block 2 and the movable tooth block 7 are both in arc-shaped structures; six groups of fixed screws 6 and fixed nuts 10 are arranged, and the fixed screws 6 and the fixed nuts 10 are arranged in corresponding limit grooves, and the fixed screws 6 and the fixed nuts 10 are both located on the inside of the front gear 1 and the rear gear 9;

[0034] Repeat the above steps in reverse order to disengage the fixing screw 6 and the fixing nut 10 from the front gear 1 and the rear gear 9, and manually rotate the front gear 1 to a rotation angle of 22.5 degrees. At this time, the fixed tooth blocks 2 and the movable tooth blocks 7 designed on the outer sides of the front gear 1 and the rear gear 9 will be staggered. Repeat the above steps again to make the front fixing plate 5 and the rear fixing plate 8 located at the front side of the front gear 1 and the rear side of the rear gear 9, respectively. Then, the fixing screw 6 and the fixing nut 10 are used to limit and fix the front gear 1 and the rear gear 9.

[0035] Manually rotate the screw rod 3. Since the outer side of one end of the screw rod 3 is threadedly connected with the moving tooth block 7, the screw rod 3 will drive the moving tooth block 7 to move outside the front gear 1 and the rear gear 9. The movement of the moving tooth block 7 will drive the slider 11 to move in the slide groove provided outside the front gear 1 and the rear gear 9. The slider 11 improves the stability of the movement of the moving tooth block 7, which is beneficial to improving the strength of the gear. When the moving tooth block 7 moves to the outside of the front gear 1 and the rear gear 9, the outer side of the gear can mesh with parts with different numbers of teeth, which is beneficial to improving the applicability of the gear.

[0036] Embodiment 3: In this embodiment, if Figure 1-Figure 6 As shown, based on the second embodiment, a structure in which the limiting rod 4 limits the movable gear block 7 is also disclosed, and the specific contents are as follows;

[0037] When the movable tooth block 7 moves, the movable tooth block 7 will slide outside the two sets of limit rods 4, and the limit rods 4 can limit the movable tooth block 7 to prevent the movable tooth block 7 from rotating with the screw rod 3, which is beneficial to improve the stability of the movement of the movable tooth block 7 and improve the strength of the gear;

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wear-resistant high-strength gear, comprising a front gear (1) and a rear gear (9), wherein fixed gear blocks (2) are fixedly mounted at equal angles on the outer sides of the front gear (1) and the rear gear (9), and a screw rod (3) is rotatably arranged on the inner side of the fixed gear block (2); It is characterized in that Also includes: The outer side of the screw rod (3) is threadedly connected to a movable gear block (7), and a sliding block (11) is fixedly installed below the movable gear block (7), and the sliding block (11) is slidably arranged on the outer sides of the front gear (1) and the rear gear (9); A limiting rod (4) is fixedly mounted on one side of the front gear (1), and a movable gear block (7) is slidably connected to the outer side of the limiting rod (4).

2. A wear-resistant high-strength gear according to claim 1, characterized in that: A front fixed disk (5) is arranged on the front side of the front gear (1), and a rear fixed disk (8) is arranged on the rear side of the rear gear (9).

3. A wear-resistant high-strength gear according to claim 2, characterized in that: The front gear (1), the front fixed plate (5), the rear gear (9) and the rear fixed plate (8) are all provided with limiting grooves at equal angles, and a fixing screw (6) is provided through the limiting groove.

4. The wear-resistant high-strength gear according to claim 3, characterized in that: The outer side of the rear end of the fixing screw rod (6) is threadedly connected to a fixing nut (10), and the front gear (1) and the rear gear (9) are fixed in position by the fixing nut (10) cooperating with the fixing screw rod (6).

5. The wear-resistant high-strength gear according to claim 4, characterized in that: Eight sets of fixed tooth blocks (2) and movable tooth blocks (7) are arranged on the outside of the front gear (1) and the rear gear (9), and sliding grooves for the movable tooth blocks (7) to move are opened on the outside of the front gear (1) and the rear gear (9).

6. The wear-resistant high-strength gear according to claim 5, characterized in that: The fixed tooth block (2) and the movable tooth block (7) are both arranged in an inverted "T"-shaped structure when viewed from the front, and the outer sides of the fixed tooth block (2) and the movable tooth block (7) are both arranged in an arc-shaped structure.

7. The wear-resistant high-strength gear according to claim 6, characterized in that: The fixing screw rods (6) and the fixing nuts (10) are provided in six groups, and the fixing screw rods (6) and the fixing nuts (10) are provided with corresponding limit grooves, and the fixing screw rods (6) and the fixing nuts (10) are both located inside the front gear (1) and the rear gear (9).

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