Integrated brake bottom plate structure of axle

Abstract

The utility model discloses an axle integrated brake bottom plate structure, which relates to the technical field of axles and comprises a body middle section, a first upper plate spring, a second upper plate spring, a first brake bottom plate, a second brake bottom plate, a first axle shaft sleeve and a second axle shaft sleeve. And the first axle shaft sleeve, the first brake bottom plate, the first upper plate spring, the body middle section, the second upper plate spring, the second brake bottom plate and the second axle shaft sleeve are arranged into a whole according to the column sequence and are cast. The flanges at the two ends are combined with the brake bottom plate, so that the brake bottom plate is integrated on the axle housing, flange plates on the two sides of an existing axle are removed, and on the premise that the use requirement and the assembly requirement are met, on one hand, the weight is lighter, the weight of the whole vehicle is reduced, and the purpose of saving oil is achieved; according to the design scheme that all the assemblies are integrally cast, the influence caused by looseness of connecting pieces is reduced, braking on the two sides of the whole axle is more stable and safer, the process cost is reduced, and modularization of the axle is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle axles, in particular to an axle integrated brake bottom plate structure. Background Art

[0002] With the continuous development of the economic level, the number of cars in my country has been increasing, meeting people's production and life needs. In the field of automobile manufacturing, heavy-duty truck axles are an important link. At present, the competition in the heavy-duty truck drive axle market is becoming more and more fierce. In order to promote the all-round development of society and improve the technical level of heavy-duty truck axles, it is necessary to explore the application of new technologies for heavy-duty truck axles and clarify the future development direction of heavy-duty truck axles, so as to meet the advantages of heavy-duty truck axles in the field of automobile manufacturing, follow the basic principles of safety, reliability, energy saving and consumption reduction, and provide reliable support for the improvement of the technical level and future development of heavy-duty truck axles.

[0003] Common axles are provided with flanges at both ends, and bolts are used to connect the brake base plate on the flanges. The brake base plate is provided with a central axis hole and mounting holes corresponding to the flanges. This is widely used on current axles. However, this connection method not only has low assembly efficiency, high component costs, and complicated processing technology, but also may cause the position of the mounting holes to shift due to machining problems, resulting in the phenomenon that the bolt connection is difficult or even impossible when the flanges on both sides of the axle are installed with the brake base plate. For this reason, we provide an axle-integrated brake base plate structure. Utility Model Content

[0004] The utility model aims to provide an axle integrated brake base plate structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an axle-integrated brake base plate structure, comprising a body middle section, a first upper leaf spring, a second upper leaf spring, a first brake base plate, a second brake base plate, a first half-axle sleeve and a second half-axle sleeve, wherein the first half-axle sleeve, the first brake base plate, the first upper leaf spring, the body middle section, the second upper leaf spring, the second brake base plate and the second half-axle sleeve are arranged in the listed order and cast as an integral part.

[0006] Preferably, a circular outer contour is arranged on the outside of the middle section of the main body, and a first square section and a second square section are arranged on both sides of the middle section of the main body, and the outer contour is connected to the first square section and the second square section by a large arc.

[0007] Preferably, an upper bracket is integrally provided at the top of the outer contour, and a rounded transition connection is adopted between the outer contour and the upper bracket. A second mounting hole and a third mounting hole are provided on the front side of the upper bracket, and a first weight-reducing groove is provided on the front side of the upper bracket and below the second mounting hole and the third mounting hole.

[0008] Preferably, a first pipeline support boss and a second pipeline support boss are respectively provided on both sides of the upper bracket, a venting hole boss is provided on one side of the first pipeline support boss, a fourth mounting hole is provided at the top of the first pipeline support boss, a fifth mounting hole is provided at the top of the second pipeline support boss, and a venting hole is provided at the top of the venting hole boss.

[0009] Preferably, a bridge bag with a hemispherical outline is arranged on the back side of the middle section of the main body, a refueling hole boss with a long strip shape is opened on the surface of the bridge bag, and a refueling hole is opened on the surface of the refueling hole boss.

[0010] Preferably, a mounting plate is provided on the front of the middle section of the main body, the mounting plate is circular, a first mounting hole is provided on the front of the mounting plate, the mounting plate is used to connect the reducer, and a plurality of trapezoidal notches are provided inside the mounting plate to avoid the reducer gears.

[0011] Preferably, an upper wing surface is provided on one side of the middle section of the main body, and a rounded transition connection is adopted between the upper wing surface and the first upper leaf spring. A second weight-reducing groove in a semicircular shape is provided on the front and back sides of the first upper leaf spring, and a third weight-reducing groove in a semicircular shape is provided on the front and back sides of the second upper leaf spring. A first positioning pin hole and a sixth mounting hole are provided at the top end of the first upper leaf spring, and a second positioning pin hole and a seventh mounting hole are provided at the top end of the second upper leaf spring. The first upper leaf spring and the second upper leaf spring are respectively provided with a first reinforcement edge and a second reinforcement edge on the front sides.

[0012] Preferably, a first push-down bracket and a second push-down bracket are respectively arranged below the first square section and the second square section, and a lower wing surface is arranged on one side of the first push-down bracket and the second push-down bracket using a rounded transition, and an eighth mounting hole and a fourth weight reducing groove are opened on the outer wall of the first push-down bracket, and a ninth mounting hole and a fifth weight reducing groove are opened on the outer wall of the second push-down bracket.

[0013] Preferably, a connecting hole is provided between the second square section and the second half-axle sleeve, a second connecting surface is provided between the second square section and the second half-axle sleeve, the second connecting surface and the connecting hole are coplanar, a central axis hole is provided on one side of the second brake base plate, a first connecting surface in a square shape is provided on the other side of the second brake base plate, a rounded transition connection is adopted between the first connecting surface and the central axis hole, a Y-shaped mounting platform is provided on the front side of the central axis hole, a third connecting surface is provided between the mounting platform and the second half-axle sleeve, and a connecting hole is provided on one side of the mounting platform.

[0014] Technical effects and advantages of the utility model:

[0015] The utility model integrates the brake base plate on the bridge housing through a structural design method of combining flanges at both ends with the brake base plate, thereby removing the flanges on both sides of the existing axle. While meeting the use requirements and assembly requirements, on the one hand, the weight is lighter, the weight of the entire vehicle is reduced, and the purpose of fuel saving is achieved. On the other hand, under the design scheme in which each component is integrally cast, the influence caused by the loosening of the connecting parts is reduced, so that the braking on both sides of the entire axle connection is more stable and safe, and the process cost is reduced, which is conducive to the modularization of the axle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the overall structural schematic diagrams of the utility model.

[0017] Figure 2 This is the second schematic diagram of the overall structure of the utility model.

[0018] Figure 3 This is the third schematic diagram of the overall structure of the utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the second brake base plate of the utility model.

[0020] In the figure:

[0021] 1. Middle section of the body; 11. Outer contour; 12. First square section; 13. Second square section; 14. Bridge package; 141. Fueling hole boss; 1411. Fueling hole; 15. Mounting plate; 151. First mounting hole; 16. Upper wing surface; 17. Lower wing surface;

[0022] 2. Upper bracket; 21. Second mounting hole; 22. Third mounting hole; 23. First weight reduction groove; 24. First pipeline bracket boss; 241. Fourth mounting hole; 25. Second pipeline bracket boss; 251. Fifth mounting hole; 26. Vent hole boss; 261. Vent hole;

[0023] 3. first upper leaf spring; 31. first positioning pin hole; 32. sixth mounting hole; 33. second weight-reducing groove; 34. first reinforcing edge;

[0024] 4. second upper leaf spring; 41. second positioning pin hole; 42. seventh mounting hole; 43. third weight-reducing groove; 44. second reinforcing edge;

[0025] 5. First push-down bracket; 51. Eighth mounting hole; 52. Fourth weight-reducing slot;

[0026] 6. Second push-down bracket; 61. Ninth mounting hole; 62. Fifth weight-reducing slot;

[0027] 7. The first brake base plate;

[0028] 8. Second brake base plate; 81. Central axis hole; 82. Connection hole position; 83. Connection hole; 84. First connection surface; 85. Second connection surface; 86. Third connection surface; 87. Mounting platform;

[0029] 9. The first half-axle sleeve; 10. The second half-axle sleeve. DETAILED DESCRIPTION

[0030] 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.

[0031] The utility model provides Figure 1-4 An axle-integrated brake base plate structure shown in the figure comprises a body middle section 1, a first upper leaf spring 3, a second upper leaf spring 4, a first brake base plate 7, a second brake base plate 8, a first half-axle sleeve 9 and a second half-axle sleeve 10. The first half-axle sleeve 9, the first brake base plate 7, the first upper leaf spring 3, the body middle section 1, the second upper leaf spring 4, the second brake base plate 8 and the second half-axle sleeve 10 are arranged in the listed order as an integral casting. The first brake base plate 7 and the second brake base plate 8 are respectively arranged on both sides of the body center 1 and are symmetrically arranged with respect to the axle center line. By adopting a structural design that combines the first brake base plate 7 and the second brake base plate 8 with the bridge housing flange into one, the use of connecting bolts is reduced, the failure risk caused by bolt connection is reduced, the process cost is reduced, and the high-strength material is used to ensure that the weight is lighter and the mass of the whole vehicle is reduced while meeting the customer's use requirements.

[0032] Among them, the outside of the middle section 1 of the main body is provided with a circular outer contour 11, and the two sides of the middle section 1 of the main body are respectively provided with a first square section 12 and a second square section 13 in a square shape, and the outer contour 11 is connected to the first square section 12 and the second square section 13 by a large arc.

[0033] Furthermore, a first push-down bracket 5 and a second push-down bracket 6 are respectively arranged below the first square section 12 and the second square section 13, and a lower wing surface 17 is arranged on one side of the first push-down bracket 5 and the second push-down bracket 6 by adopting a rounded transition. The outer wall of the first push-down bracket 5 is provided with an eighth mounting hole 51 and a fourth weight reducing groove 52, and the outer wall of the second push-down bracket 6 is provided with a ninth mounting hole 61 and a fifth weight reducing groove 62.

[0034] Furthermore, a connecting hole 83 is provided between the second square section 13 and the second half-axle sleeve 10, a second connecting surface 85 is provided between the second square section 13 and the second half-axle sleeve 10, the second connecting surface 85 and the connecting hole 83 are coplanar, a central axis hole 81 is provided on one side of the second brake base plate 8, a first connecting surface 84 in a square shape is provided on the other side of the second brake base plate 8, a rounded transition connection is adopted between the first connecting surface 84 and the central axis hole 81, a Y-shaped mounting platform 87 is provided on the front of the central axis hole 81, a third connecting surface 86 is provided between the mounting platform 87 and the second half-axle sleeve 10, a connecting hole 82 is provided on one side of the mounting platform 87, the second connecting surface 85 and the connecting hole 83 on the first brake base plate 7 and the second brake base plate 8 are coplanar, and are narrowed to the outer wall of the central axis hole 81 between the trapezoidal profile, and the structures of the first brake base plate 7 and the second brake base plate 8 are the same.

[0035] Among them, an upper bracket 2 is integrally provided at the top of the outer contour 11, and a rounded transition connection is adopted between the outer contour 11 and the upper bracket 2. A second mounting hole 21 and a third mounting hole 22 are provided on the front of the upper bracket 2, and a first weight reduction groove 23 is provided on the front of the upper bracket 2 and below the second mounting hole 21 and the third mounting hole 22.

[0036] Preferably, the first pipeline support boss 24 and the second pipeline support boss 25 are respectively provided on both sides of the upper bracket 2, and a venting hole boss 26 is provided on one side of the first pipeline support boss 24. The top of the first pipeline support boss 24 is provided with a fourth mounting hole 241, the top of the second pipeline support boss 25 is provided with a fifth mounting hole 251, and the top of the venting hole boss 26 is provided with a venting hole 261.

[0037] Furthermore, a bridge bag 14 with a hemispherical outline is arranged on the back of the middle section 1 of the main body, a refueling hole boss 141 with a long strip shape is opened on the surface of the bridge bag 14, and a refueling hole 1411 is opened on the surface of the refueling hole boss 141.

[0038] Preferably, a mounting plate 15 is provided on the front of the middle section 1 of the main body. The mounting plate 15 is circular and has a first mounting hole 151 on the front. The mounting plate 15 is used to connect the reducer. A plurality of trapezoidal notches are provided inside the mounting plate 15 to avoid the reducer gears.

[0039] Furthermore, an upper wing surface 16 is provided on one side of the middle section 1 of the main body, and a rounded transition connection is adopted between the upper wing surface 16 and the first upper leaf spring 3. A second weight-reducing groove 33 in a semicircular shape is provided on the front and back sides of the first upper leaf spring 3, and a third weight-reducing groove 43 in a semicircular shape is provided on the front and back sides of the second upper leaf spring 4. A first positioning pin hole 31 and a sixth mounting hole 32 are provided at the top end of the first upper leaf spring 3, and a second positioning pin hole 41 and a seventh mounting hole 42 are provided at the top end of the second upper leaf spring 4. The front sides of the first upper leaf spring 3 and the second upper leaf spring 4 are respectively provided with a first reinforcement edge 34 and a second reinforcement edge 44.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. An axle integrated brake base plate structure, characterized in that: The invention comprises a main body middle section (1), a first upper leaf spring (3), a second upper leaf spring (4), a first brake base plate (7), a second brake base plate (8), a first half-axle sleeve (9) and a second half-axle sleeve (10), wherein the first half-axle sleeve (9), the first brake base plate (7), the first upper leaf spring (3), the main body middle section (1), the second upper leaf spring (4), the second brake base plate (8) and the second half-axle sleeve (10) are arranged in the listed order and cast into an integral form.

2. The axle integrated brake base plate structure according to claim 1, characterized in that: The middle section (1) of the main body is provided with a circular outer contour (11) on the outside, and a first square section (12) and a second square section (13) are provided on both sides of the middle section (1) of the main body respectively, and the outer contour (11) is connected to the first square section (12) and the second square section (13) respectively by a large arc.

3. The axle integrated brake base plate structure according to claim 2, characterized in that: An upper bracket (2) is integrally provided at the top end of the outer profile (11); the outer profile (11) and the upper bracket (2) are connected by a rounded transition; a second mounting hole (21) and a third mounting hole (22) are provided on the front of the upper bracket (2); and a first weight-reducing groove (23) is provided on the front of the upper bracket (2) and below the second mounting hole (21) and the third mounting hole (22).

4. The axle integrated brake base plate structure according to claim 3, characterized in that: A first pipeline support boss (24) and a second pipeline support boss (25) are respectively provided on both sides of the upper support (2); a venting hole boss (26) is provided on one side of the first pipeline support boss (24); a fourth mounting hole (241) is provided at the top end of the first pipeline support boss (24); a fifth mounting hole (251) is provided at the top end of the second pipeline support boss (25); and a venting hole (261) is provided at the top end of the venting hole boss (26).

5. The axle integrated brake base plate structure according to claim 1, characterized in that: A bridge bag (14) with a hemispherical outline is arranged on the back of the middle section of the main body (1), a refueling hole boss (141) with a long strip shape is arranged on the surface of the bridge bag (14), and a refueling hole (1411) is arranged on the surface of the refueling hole boss (141).

6. The axle integrated brake base plate structure according to claim 1, characterized in that: The front of the middle section (1) of the main body is provided with a mounting disc (15), the mounting disc (15) is circular, the front of the mounting disc (15) is provided with a first mounting hole (151), the mounting disc (15) is used to connect a reducer, and the interior of the mounting disc (15) is provided with a plurality of trapezoidal notches for avoiding the gears of the reducer.

7. The axle integrated brake base plate structure according to claim 2, characterized in that: An upper wing surface (16) is provided on one side of the middle section (1) of the main body, and a rounded transition connection is adopted between the upper wing surface (16) and the first upper leaf spring (3); a second weight-reducing groove (33) arranged in a semicircular shape is provided on the front and back sides of the first upper leaf spring (3); a third weight-reducing groove (43) arranged in a semicircular shape is provided on the front and back sides of the second upper leaf spring (4); a first positioning pin hole (31) and a sixth mounting hole (32) are provided on the top end of the first upper leaf spring (3); a second positioning pin hole (41) and a seventh mounting hole (42) are provided on the top end of the second upper leaf spring (4); and a first reinforcing edge (34) and a second reinforcing edge (44) are provided on the front sides of the first upper leaf spring (3) and the second upper leaf spring (4), respectively.

8. The axle integrated brake base plate structure according to claim 2, characterized in that: A first push-down bracket (5) and a second push-down bracket (6) are respectively arranged below the first square section (12) and the second square section (13); one side of the first push-down bracket (5) and the second push-down bracket (6) is provided with a lower wing surface (17) by means of a rounded transition; an outer wall of the first push-down bracket (5) is provided with an eighth mounting hole (51) and a fourth weight-reducing groove (52); and an outer wall of the second push-down bracket (6) is provided with a ninth mounting hole (61) and a fifth weight-reducing groove (62).

9. The axle integrated brake base plate structure according to claim 2, characterized in that: A connecting hole (83) is provided between the second square section (13) and the second half-axle sleeve (10), a second connecting surface (85) is provided between the second square section (13) and the second half-axle sleeve (10), the second connecting surface (85) and the connecting hole (83) are coplanar, a central axis hole (81) is provided on one side of the second brake base plate (8), a first connecting surface (84) in a square shape is provided on the other side of the second brake base plate (8), the first connecting surface (84) and the central axis hole (81) are connected by a rounded transition, a Y-shaped mounting platform (87) is provided on the front side of the central axis hole (81), a third connecting surface (86) is provided between the mounting platform (87) and the second half-axle sleeve (10), and a connecting hole (82) is provided on one side of the mounting platform (87).

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