Axle head structure of trailer axle

Abstract

The utility model discloses a trailer axle head structure, and relates to the technical field of axle heads. First sliding grooves are symmetrically formed in the outer surface of the mounting body, N-shaped sliding plates are slidably connected into the first sliding grooves, square plates are slidably connected to the outer surfaces of the N-shaped sliding plates, motors are fixedly connected to the outer surfaces of the square plates, and a rotating grinding knife is fixedly connected to one end of an output shaft of each motor. A clamping adjusting assembly is arranged at the top end of the mounting main body, the clamping adjusting assembly comprises a clamping frame, a plurality of evenly-distributed third sliding grooves are formed in the top end of the mounting main body, a plurality of evenly-distributed second sliding grooves are formed in the top end of the mounting main body, and sliding blocks are slidably connected into the second sliding grooves; the trailer axle head machining device solves the problems that most of axle heads are complex in shape and size, so that the axle heads are large in weight or not precise in structure, and most of trailer axle head machining devices are simple in clamping structure and difficult to stably clamp and fix forged blanks of different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of axle heads, in particular to a trailer axle head structure. Background Art

[0002] As a key component connecting wheel end components such as hubs, brake drums, and bearings, the structural design and performance of the trailer axle head have an important impact on the overall running stability and safety of the trailer. The axle head structures of trailer axles are mainly divided into two categories: American and German. The manufacturing of modern trailer axle heads uses advanced seamless steel pipe materials and interference fit technologies.

[0003] Most of the existing axle heads have complex shapes and sizes, which may lead to heavy axle heads or loose structures. At the same time, when the trailer axle head processing device performs grinding and polishing, it is necessary to clamp and fix the forging blank. However, most of the existing clamping structures of trailer axle head processing devices are relatively simple, making it difficult to stably clamp and fix forging blanks of different sizes. Summary of the Utility Model

[0004] In order to solve the problems that most axle heads have complex shapes and sizes, resulting in heavy axle heads or loose structures, and most clamping structures of trailer axle head processing devices are relatively simple, making it difficult to stably clamp and fix forging blanks of different sizes; the purpose of the present utility model is to provide a trailer axle head structure.

[0005] To solve the above technical problems, the present utility model adopts the following technical solution: A trailer axle head structure, including an axle head main body, wherein a plurality of uniformly distributed key grooves are formed on the outer surface of the axle head main body, a first hollow groove is formed at one end of the axle head main body close to the key grooves, and a second hollow groove is formed at the other end of the axle head main body away from the key grooves.

[0006] Preferably, it includes a mounting body, the outer surface of the mounting body is symmetrically provided with a first slide groove, the inside of the first slide groove is slidably connected to an N-shaped slide plate, the outer surface of the N-shaped slide plate is slidably connected to a square plate, the outer surface of the square plate is fixedly connected to a motor, one end of the motor output shaft is fixedly connected to a rotating grinder, and a clamping adjustment component is provided on the top of the mounting body; the clamping adjustment component includes a clamping frame, a plurality of evenly distributed third slide grooves are provided on the top of the mounting body, a plurality of evenly distributed second slide grooves are provided on the top of the mounting body, a slider is slidably connected to the inside of the second slide groove, a spring is fixedly connected to the outer surface of the slider, and one end of the spring is away from the slider It is fixedly connected to the inner side of the second slide groove, the outer surface of the slider is fixedly connected to a baffle, the outer surface of the baffle is fixedly connected to the outer surface of the clamping frame, the inside of the third slide groove is slidably connected to the limit plate, the outer surface of the slider is provided with a limit groove, the interior of the second slide groove is connected to the interior of the third slide groove, the number of the third slide grooves is multiple and they are evenly distributed in a rectangular array on the outer surface of the installation body, the number of the second slide grooves is multiple and they are evenly distributed in a rectangular array on the outer surface of the installation body, the interior of the limit groove is connected to the interior of the second slide groove, the end of the N-type slide away from the first slide groove is fixedly connected to a handle, and the four corners of the bottom end of the installation body are fixedly connected to support legs.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] 1. By setting the first hollow groove and the second hollow groove, the shaft head body has a hollow structure at both ends, and the middle position with the maximum bearing capacity is solid, which has the characteristics of light weight and high strength.

[0009] 2. By setting the clamping adjustment component, the sliding distance of the baffle on the second slide can be adjusted according to the size of different forging blanks, so that the clamping frames on the baffles on both sides are close to each other to squeeze and fix the forging blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 This is a schematic diagram of the overall structure proposed by the utility model;

[0012] Figure 2 A schematic diagram of the cross-sectional structure proposed by the utility model;

[0013] Figure 3 Schematic diagram of the overall structure of the device proposed in this utility model

[0014] Figure 4 for Figure 3 A schematic diagram of the structure at center A;

[0015] Figure 5 This is a schematic structural diagram of the device proposed by the utility model from the first angle.

[0016] In the figure: 1. Shaft head body; 2. First hollow groove; 3. Keyway; 4. Second hollow groove; 5. Mounting body; 6. Baffle; 7. N-type slide; 8. Motor; 9. Clamping frame; 10. Rotating sharpener; 11. Support leg; 12. First slide; 13. Square plate; 14. Handle; 15. Second slide; 16. Spring; 17. Third slide; 18. Slider; 19. Limiting groove; 20. Limiting plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example: Figure 1-5 As shown, the utility model provides a trailer axle head structure, including an axle head body 1, a plurality of evenly distributed key grooves 3 are opened on the outer surface of the axle head body 1, a first hollow groove 2 is opened on the end of the axle head body 1 close to the key groove 3, and a second hollow groove 4 is opened on the end of the axle head body 1 away from the key groove 3. By arranging the first hollow groove 2 and the second hollow groove 4, the axle head body 1 has a hollow structure at both ends, and the middle position with the maximum bearing force is solid, which has the characteristics of light weight and high strength.

[0019] A trailer axle head structure includes an installation main body 5. Symmetric first chutes 12 are provided on the outer surface of the installation main body 5. An N-shaped slide plate 7 is slidably connected inside the first chute 12. A square plate 13 is slidably connected to the outer surface of the N-shaped slide plate 7. A motor 8 is fixedly connected to the outer surface of the square plate 13. One end of the output shaft of the motor 8 is fixedly connected to a rotating grinding knife 10. A clamping and adjusting assembly is arranged at the top of the installation main body 5; the clamping and adjusting assembly includes a clamping frame 9. Multiple uniformly distributed third chutes 17 are provided at the top of the installation main body 5. Multiple uniformly distributed second chutes 15 are provided at the top of the installation main body 5. A slider 18 is slidably connected inside the second chute 15. A spring 16 is fixedly connected to the outer surface of the slider 18. One end of the spring 16 away from the slider 18 is fixedly connected to the inner side of the second chute 15. A baffle 6 is fixedly connected to the outer surface of the slider 18. The outer surface of the baffle 6 is fixedly connected to the outer surface of the clamping frame 9. A limiting plate 20 is slidably connected inside the third chute 17. A limiting groove 19 is provided on the outer surface of the slider 18. By providing the installation main body 5, the baffle 6, the N-shaped slide plate 7, the motor 8, the clamping frame 9 and the rotating grinding knife 10, a processing device for the trailer axle head structure is formed. By providing the clamping frame 9, the sliding distance of the baffle 6 on the second chute 15 can be adjusted according to the size of different forging blanks, so that the clamping frames 9 on both sides of the baffle 6 approach each other to form extrusion fixation on the forging blank. The inside of the second chute 15 is communicated with the inside of the third chute 17, so that the limiting plate 20 can slide out of the third chute 17. The number of the third chutes 17 is multiple and they are evenly distributed in a rectangular array on the outer surface of the installation main body 5, so that the sliding distance of the baffle 6 on the second chute 15 can be adjusted. The number of the second chutes 15 is multiple and they are evenly distributed in a rectangular array on the outer surface of the installation main body 5, so that the baffle 6 can slide on the installation main body 5. The inside of the limiting groove 19 is communicated with the inside of the second chute 15, so that the limiting plate 20 can enter the limiting groove 19 to fix the slider 18. One end of the N-shaped slide plate 7 away from the first chute 12 is fixedly connected to a handle 14, so that the N-shaped slide plate 7 can be pushed to move inwards in the first chute 12. Support legs 11 are fixedly connected to the four corners at the bottom of the installation main body 5, so that the device can be stably placed on the ground.

[0020] Working principle: First hollow grooves 2 and second hollow grooves 4 are respectively provided at both ends of the axle head main body 1, so that the position with the largest bearing capacity in the middle of the axle head main body 1 is solid, thus having the characteristics of light weight and high strength. Multiple key grooves 3 are provided at one end of the first hollow groove 2 of the axle head main body 1. The key grooves 3 are used in cooperation with special anti-loosening gaskets and nuts, and have the characteristics of high strength and reliable structure.

[0021] Before manufacturing the shaft head main body 1, the staff can manually move the limit plate 20 to the inside of the third slide groove 17, so that the third slide groove 17 moves out of the limit groove 19, and the staff places the forging blank on the clamping frame 9. At the same time, the staff pushes the baffle 6 by hand, and the baffle 6 drives the slider 18 to slide in the second slide groove 15 and squeezes the spring 16. The spring 16 is forced to shrink, and the staff manually moves the limit plate 20 into the limit groove 19 to fix the slider 18. According to the size of different forging blanks, the sliding distance of the baffle 6 on the second slide groove 15 is adjusted so that the clamping frames 9 on the baffles 6 on both sides are close to each other to form an extrusion fixation for the forging blank, and then start the motor 8. The output shaft of the motor 8 drives the rotating grinder 10 to work. The staff can grab the handle 14 and push the N-type slide plate 7 to move inward in the first slide groove 12, so that the rotating grinder 10 contacts the forging blank for grinding and polishing.

[0022] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A trailer axle head structure, comprising an axle head main body (1), characterized in that: A plurality of uniformly distributed key grooves (3) are provided on the outer surface of the shaft head body (1). A first hollow groove (2) is provided at one end of the shaft head body (1) close to the key groove (3), and a second hollow groove (4) is provided at the end of the shaft head body (1) far from the key groove (3).

2. The axle head structure of a trailer axle as described in claim 1, comprising an installation main body (5), characterized in that, Symmetrically arranged first sliding grooves (12) are provided on the outer surface of the mounting body (5). An N-shaped sliding plate (7) is slidably connected inside the first sliding groove (12). A square plate (13) is slidably connected to the outer surface of the N-shaped sliding plate (7). A motor (8) is fixedly connected to the outer surface of the square plate (13). One end of the output shaft of the motor (8) is fixedly connected with a rotating grinding knife (10). A clamping and adjusting assembly is arranged at the top end of the mounting body (5). The clamping and adjusting assembly includes a clamping frame (9). A plurality of uniformly distributed third sliding grooves (17) are provided at the top end of the mounting body (5). A plurality of uniformly distributed second sliding grooves (15) are provided at the top end of the mounting body (5). A slider (18) is slidably connected inside the second sliding groove (15). A spring (16) is fixedly connected to the outer surface of the slider (18). One end of the spring (16) far from the slider (18) is fixedly connected to the inner side of the second sliding groove (15). A baffle (6) is fixedly connected to the outer surface of the slider (18). The outer surface of the baffle (6) is fixedly connected to the outer surface of the clamping frame (9). A limiting plate (20) is slidably connected inside the third sliding groove (17). A limiting groove (19) is provided on the outer surface of the slider (18).

3. The axle head structure of a trailer axle according to claim 2, characterized in that, The inside of the second sliding groove (15) communicates with the inside of the third sliding groove (17).

4. The axle head structure of a trailer axle according to claim 2, characterized in that, The number of the third sliding grooves (17) is multiple and they are uniformly distributed in a rectangular array on the outer surface of the mounting body (5).

5. The axle head structure of a trailer axle according to claim 2, characterized in that, The number of the second sliding grooves (15) is multiple and they are uniformly distributed in a rectangular array on the outer surface of the mounting body (5).

6. The axle head structure of a trailer axle according to claim 2, characterized in that, The inside of the limiting groove (19) communicates with the inside of the second sliding groove (15).

7. The axle head structure of a trailer axle according to claim 2, characterized in that, A handle (14) is fixedly connected to the end of the N-shaped sliding plate (7) far from the first sliding groove (12).

8. The axle head structure of a trailer axle according to claim 2, characterized in that, Support legs (11) are fixedly connected to the four corners of the bottom end of the mounting body (5).

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