High-strength wear-resistant gear

Abstract

The utility model belongs to the technical field of gears, and particularly relates to a high-strength wear-resisting gear which comprises a gear ring, a transmission inserting hole and a key groove, the transmission inserting hole is formed in the surface of the gear ring in a penetrating mode, the key groove is formed in the inner wall of the transmission inserting hole, and movable teeth are movably arranged on the surface of the outer wall of the gear ring and distributed at equal intervals. A splicing groove is formed in the surface of the outer wall of the gear ring, a splicing seat is integrally formed on the surface of the movable tooth, the splicing seat is connected with the splicing groove in an inserted mode, limiting rings are arranged on the surfaces of the two sides of the gear ring, limiting pressing rings are movably installed in inner cavities of the limiting rings, and a first meshing groove is formed in the middle of an inner cavity of the splicing groove; a second meshing groove is formed in one side of the first meshing groove. According to the novel movable tooth, the splicing base is connected with the splicing groove in an inserted mode, the second meshing base is fixed through the limiting pressing ring, the movable tooth can be fixed, and rapid replacement can be achieved after the movable tooth is damaged, so that the service life of the gear is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear technical field, concretely is high strength wear -resisting gear. BACKGROUND

[0002] Gear is widely used in automobile, tractor, machine tool, engineering machinery, mine machinery, metallurgical machinery, petroleum, instrument, airplane and spacecraft and various mechanical manufacturing industry, the rim has tooth can continuously mesh transmission movement and power mechanical element, gear is the toothed mechanical part that can intermesh, the application of gear in transmission has appeared very early

[0003] The utility model discloses a high strength wear -resisting gear discloses a kind of high strength wear -resisting gear, including gear body, the gear body outer circumferential surface evenly distributes several gear teeth, gear shaft hole is equipped in the gear body center, the gear tooth is conical structure, the radius of gear tooth close to gear shaft one end is larger, several evenly distributed axial through type positioning clamping groove are equipped on gear shaft hole inner wall, several circumferentially distributed positioning holes are equipped on the plane of gear body close to gear shaft hole, the first reinforcing layer and the second reinforcing layer are equipped in the gear body interior, the first reinforcing layer is arranged on one side close to gear shaft hole, the second reinforcing layer is arranged on one side away from gear shaft hole, connecting layer is clamped between the first reinforcing layer and the second reinforcing layer, first wear -resisting layer is equipped on the gear body outer surface, upper round chamfer is equipped on both sides of gear tooth tip, lower round chamfer is equipped on both sides of gear tooth root, the utility model increases gear strength while having good wear resistance.

[0004] The gear ring and gear tooth of existing gear are integrated molding structure, gear tooth abrasion aggravates easily when gear bears high load, even causes gear tooth damage problem, gear rotation accuracy is affected after gear tooth abrasion or damage, thereby shortening the service life of gear, to solve the above problem, high strength wear -resisting gear is proposed in the present application. UTILITY MODEL CONTENTS

[0005] (One) utility model purpose

[0006] To solve the technical problems in the background art, the utility model provides a high strength wear -resisting gear, the movable tooth is inserted with the splicing groove through the splicing seat, the second occlusion seat is fixed by the limiting pressure ring, the movable tooth can be fixed, and the movable tooth can be replaced quickly after damage, so as to prolong the service life of the gear and solve the problems in the background art.

[0007] (Two) technical scheme

[0008] The utility model provides a high -strength wear -resistant gear has following beneficial technical effect: The utility model discloses a high -strength wear -resistant gear, including gear ring, transmission jack and key groove, transmission jack is set up in the gear ring surface and penetrates, the key groove is seted up in transmission jack inner wall, gear ring outer wall surface movably is equipped with movable tooth, movable tooth is equidistantly distributed,

[0009] Gear ring outer wall surface sets up splicing groove, and the movable tooth surface integrative forming has splicing seat, and splicing seat is inserted with splicing groove,

[0010] The both sides surface of gear ring sets up limit circle, and the limit circle inner chamber movably installs limit pressure ring,

[0011] The middle part of splicing groove inner chamber sets up no.

[0012] The middle part integrative forming of splicing seat has no.

[0013] The one side integrative forming of no.

[0014] The surface of limit pressure ring and threaded fixing hole position corresponding place sets up countersunk fixing hole, and the countersunk fixing hole inner chamber movably inserts countersunk bolt, and the countersunk bolt is connected with threaded fixing hole thread.

[0015] Preferably, the limit circle inner chamber sets up threaded fixing hole, and the threaded fixing hole is equidistantly distributed.

[0016] The above technical scheme of the utility model has following beneficial technical effect:

[0017] 1. The utility model discloses, movable tooth is inserted with splicing seat and splicing groove, and the no.

[0018] 2. The utility model discloses, movable tooth is inserted with splicing seat and splicing groove, and the no. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model high -strength wear -resistant gear,

[0020] Figure 2It is the exploded structural schematic view of high-strength wear-resistant gear of the utility model.

[0021] Figure 3 It is the gear ring structure schematic view of high-strength wear-resistant gear of the utility model.

[0022] Figure 4 It is the movable tooth structure schematic view of high-strength wear-resistant gear of the utility model.

[0023] Reference signs:

[0024] 1, gear ring;2, transmission jack;3, keyway;4, movable tooth;5, splicing groove;6, No. 1 occlusion groove;7, No. 2 occlusion groove;8, splicing seat;9, No. 1 occlusion seat;10, No. 2 occlusion seat;11, limiting ring;12, limiting pressure ring;13, threaded fixing hole;14, countersunk fixing hole;15, countersunk bolt. Specific implementation

[0025] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0026] As Figures 1-4 Indicated, the high-strength wear-resistant gear provided by the utility model, including gear ring 1, transmission jack 2 and keyway 3, the transmission jack 2 is through the surface of gear ring 1 and is set up, the keyway 3 is set up in the inner wall of transmission jack 2, the movable tooth 4 is movably arranged on the outer wall surface of gear ring 1, the movable tooth 4 is equidistantly distributed;

[0027] The outer wall surface of gear ring 1 is provided with splicing groove 5, the splicing seat 8 is integrally formed on the surface of movable tooth 4, and the splicing seat 8 is inserted with splicing groove 5.

[0028] The limiting ring 11 is arranged on the surface of gear ring 1, and the limiting pressure ring 12 is movably installed in the inner cavity of limiting ring 11.

[0029] It should be noted that the gear ring 1 is inserted into the transmission rod through the transmission insertion hole 2. The key strip on the surface of the transmission rod is inserted into the keyway 3, which can drive the gear to rotate. When the gear rotates, the movable tooth 4 is prone to damage. The movable tooth 4 is inserted into the splicing groove 5 through the splicing seat 8. The splicing seat 8 is provided with a first engagement seat 9 and a second engagement seat 10. The first engagement seat 9 engages with the first engagement groove 6, and the second engagement seat 10 engages with the second engagement groove 7. The second engagement seat 10 and the second engagement groove 7 are located inside the limiting ring 11. The limiting pressure ring 12 is inserted into the limiting ring 11. The threaded fixing hole 13 and the countersunk fixing hole 14 coincide. The countersunk bolt 15 is inserted into the countersunk fixing hole 14 and then threadedly connected to the threaded fixing hole 13, which can fix the limiting pressure ring 12. The second engagement seat 10 is fixed by the limiting pressure ring 12, which can fix the movable tooth 4. The movable tooth 4 can be quickly replaced after it is damaged.

[0030] In this embodiment, as Figure 3 and Figure 4 As shown, a first biting groove 6 is formed in the middle of the inner cavity of the splicing groove 5, and a second biting groove 7 is formed on one side of the first biting groove 6. The second biting groove 7 is located in the inner cavity of the limiting ring 11. A first biting seat 9 is integrally formed in the middle of the splicing seat 8. The first biting seat 9 bites with the first biting groove 6. A second biting seat 10 is integrally formed on one side of the first biting seat 9. The second biting seat 10 bites with the second biting groove 7.

[0031] It should be noted that the engagement of No. 1 occlusal seat 9 with No. 1 occlusal groove 6 and the engagement of No. 2 occlusal seat 10 with No. 2 occlusal groove 7 can improve the stability of the installation of the movable tooth 4.

[0032] In this embodiment, as Figure 2 and Figure 3 As shown, the inner cavity of the limiting ring 11 is provided with threaded fixing holes 13, which are distributed at equal intervals. The surface of the limiting pressure ring 12 is provided with countersunk fixing holes 14 corresponding to the positions of the threaded fixing holes 13. Countersunk bolts 15 are movably inserted into the inner cavity of each countersunk fixing hole 14, and the countersunk bolts 15 are threadedly connected to the threaded fixing holes 13.

[0033] It should be noted that the threaded fixing hole 13 and the countersunk fixing hole 14 coincide. After the countersunk bolt 15 is inserted into the countersunk fixing hole 14, it is threadedly connected to the threaded fixing hole 13, which can fix the limiting pressure ring 12.

[0034] The working principle and usage process of this utility model: The gear ring 1 is inserted into the transmission rod through the transmission insertion hole 2. The key strip on the surface of the transmission rod is inserted into the keyway 3. The gear can be driven to rotate through the transmission rod. When the gear rotates, the movable tooth 4 is easily damaged. The movable tooth 4 is inserted into the splicing groove 5 through the splicing seat 8. The splicing seat 8 is provided with a first engagement seat 9 and a second engagement seat 10. The first engagement seat 9 engages with the first engagement groove 6, and the second engagement seat 10 engages with the second engagement groove 7. The two meshing seats 10 and the two meshing grooves 7 are located inside the limiting ring 11. The limiting pressure ring 12 is inserted into the limiting ring 11. The threaded fixing hole 13 and the countersunk fixing hole 14 coincide. The countersunk bolt 15 is inserted into the countersunk fixing hole 14 and then threadedly connected to the threaded fixing hole 13, which can fix the limiting pressure ring 12. The limiting pressure ring 12 fixes the two meshing seats 10 and fixes the movable tooth 4. The movable tooth 4 can be quickly replaced after it is damaged.

[0035] It should be understood that the above-described specific embodiments of this utility model are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within the protection scope of this utility model. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims or their equivalents.

Claims

1. A high-strength wear-resistant gear, comprising a gear ring (1), a transmission insertion hole (2) and a key groove (3), the transmission insertion hole (2) is opened through the surface of the gear ring (1), and the key groove (3) is opened in the inner wall of the transmission insertion hole (2), characterized in that, The outer wall surface of the gear ring (1) is movably provided with movable teeth (4), and the movable teeth (4) are equidistantly distributed. The outer wall surface of the gear ring (1) is provided with a splicing groove (5), the surface of the movable tooth (4) is integrally formed with a splicing seat (8), and the splicing seat (8) is inserted with the splicing groove (5). The both sides of the gear ring (1) are provided with a limiting ring (11), and the inner cavity of the limiting ring (11) is movably provided with a limiting pressure ring (12). The inner cavity of the splicing groove (5) is provided with a first engaging groove (6) in the middle, and the first engaging groove (6) is provided with a second engaging groove (7) on one side. The second engaging groove (7) is located in the inner cavity of the limiting ring (11). The middle of the splicing seat (8) is integrally formed with a first engaging seat (9), and the first engaging seat (9) is engaged with the first engaging groove (6). The first engaging seat (9) is integrally formed with a second engaging seat (10) on one side, and the second engaging seat (10) is engaged with the second engaging groove (7). The surface of the limiting pressure ring (12) is provided with a countersunk fixing hole (14) corresponding to the position of the threaded fixing hole (13), the inner cavity of the countersunk fixing hole (14) is movably inserted with a countersunk bolt (15), and the countersunk bolt (15) is threadedly connected with the threaded fixing hole (13).

2. The high-strength wear-resistant gear of claim 1, wherein, The inner cavity of the limiting ring (11) is provided with a threaded fixing hole (13), and the threaded fixing hole (13) is equidistantly distributed.

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