Disconnected airport shuttle axle

Abstract

A disconnectable airport shuttle axle relates to an axle comprising a symmetrically arranged, disconnected left and right wheel hub assemblies, the left and right wheel hub assemblies being mounted on an air suspension C-beam, respectively, and the left and right side wheels being independently mounted on the left and right wheel hub assemblies, respectively. Each of the left and right wheel hub assemblies comprises a wheel hub brake drum assembly, a disconnectable axle housing, a door-type structural adjustment device, a brake air chamber, and an adjustment arm assembly; the wheel hub brake drum assembly being mounted on one end of the disconnectable axle housing, the other end of which is fixedly connected to the door-type structural adjustment device; the door-type structural adjustment device being fixed to the air suspension C-beam; the brake air chamber and adjustment arm assembly being mounted on the door-type structural adjustment device, respectively. The present invention can increase chassis space and enable independent movement of the left and right wheels. It has the advantages of light weight, simple structure, strong versatility, good driving stability, reliable performance, and easy repair and maintenance, making it suitable for airport shuttles.

Description

Technical Field

[0001] The invention relates to a vehicle axle, in particular to a disconnected airport shuttle vehicle axle. Background Art

[0002] Currently, the most common rear axle assembly uses a rigid axle housing to connect the left and right wheel hub assemblies, with the wheels mounted on the left and right wheel hub assemblies, respectively. This axle assembly structure leaves little room in the vehicle chassis, leaving no space for other components in the central aisle. Furthermore, the axle assembly has a small internal and external turning angle, preventing the left and right wheels from moving independently, impacting vehicle stability and failing to meet the requirements of airport shuttles. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a disconnectable airport shuttle axle to increase chassis space and enable left and right wheels to move independently, thus meeting the requirements of airport shuttle buses.

[0004] The technical solution to solve the above technical problems is: a disconnected airport shuttle axle, including a symmetrically arranged and disconnected left hub assembly and right hub assembly; the left hub assembly and the right hub assembly are respectively installed on the air suspension C-beam, and the left and right wheels are respectively independently installed on the left hub assembly and the right hub assembly.

[0005] A further technical solution of the present invention is: the left wheel hub assembly and the right wheel hub assembly both include a wheel hub brake drum assembly, a disconnectable bridge housing, a door-type structure adjustment device, a brake air chamber, and an adjustment arm assembly; the wheel hub brake drum assembly is installed at one end of the disconnectable bridge housing, and the other end of the disconnectable bridge housing is fixedly connected to the door-type structure adjustment device; the door-type structure adjustment device is fixed on the air suspension C-beam; the brake air chamber and the adjustment arm assembly are respectively installed on the door-type structure adjustment device.

[0006] A further technical solution of the present invention is: the door-type structure adjustment device includes a base plate, multiple support plates, and a top plate, and the multiple support plates fix the base plate and the top plate together; U-shaped bolt mounting holes are respectively provided on the base plate and the top plate, and the entire door-type structure adjustment device is installed on the air suspension C-beam by passing through the U-shaped bolt mounting holes, and an adjustment arm observation hole is provided on the top plate; the other end of the disconnected bridge housing is fixedly mounted on two of the support plates; and the brake air chamber is installed on the top plate.

[0007] A further technical solution of the present invention is: the multiple support plates include support plate I, support plate II, support plate III, support plate IV, support plate V, and support plate VI, and the support plate I and support plate IV are respectively fixed on the left and right sides of the middle of the bottom plate, and support plate I and support plate IV are both provided with a bridge housing mounting hole, and the bridge housing mounting hole is fixedly connected to the other end of the disconnected bridge housing; the support plate I is fixedly connected to one end of support plate II located on one side of support plate I, and the other end of support plate II is fixedly connected to support plate III; the support plate V and support plate VI are located on the other side of support plate I, and a camshaft mounting hole is provided on support plate VI.

[0008] A further technical solution of the present invention is: the wheel hub brake drum assembly includes an end cover, a wheel hub, a locking mechanism, an outer bearing, an inner bearing, and a brake assembly; the wheel hub is respectively mounted on the disconnected bridge housing through the inner bearing and the outer bearing, and the outer bearing is locked through the locking mechanism; the end cover is mounted on one end face of the wheel hub; the brake assembly is mounted on the flange end face of the disconnected bridge housing through fasteners; one end of the camshaft is connected to the brake assembly, and the other end of the camshaft is mounted on the camshaft mounting hole of the support plate VI; the camshaft is fixedly connected to the adjusting arm assembly through a spline.

[0009] A further technical solution of the present invention is that an ABS sensor is also installed on the brake assembly.

[0010] Due to the above structure, the disconnectable airport shuttle axle of the present invention has the following advantages compared with the prior art:

[0011] 1. Increase chassis space

[0012] The present invention comprises a symmetrically arranged, disconnected left and right wheel hub assemblies, the left and right wheel hub assemblies being respectively mounted on an air suspension C-beam, and the left and right wheels being respectively and independently mounted on the left and right wheel hub assemblies.

[0013] Because the left and right wheel hub assemblies are disconnected, the left and right wheels are independently connected to the hub assemblies, rather than directly acting on the entire axle assembly. This disconnected axle offers a compact structure and ample chassis space, allowing for the placement of other components in the center aisle, thereby increasing chassis space utilization by over 60%.

[0014] 2. Allows left and right wheels to move independently

[0015] The left and right wheel hub assemblies of the present invention are disconnected, so that the left and right wheels are independently connected to the wheel hub assemblies on both sides, rather than directly acting on the entire axle assembly. The inner and outer turning angles can be increased to more than 70 degrees, thereby preventing the left and right wheels from moving independently and ensuring the stability of the vehicle's driving.

[0016] 3. Lightweight

[0017] The wheel hub assemblies on the left and right sides of the present invention are of a disconnected structure, and the axle housings thereof also adopt a disconnected axle housing, which is relatively light in weight.

[0018] 4. Simple structure and strong passability

[0019] The left wheel hub assembly and the right wheel hub assembly of the present invention both include a wheel hub brake drum assembly, a disconnected bridge housing, a door-type structural adjustment device, and a brake air chamber; wherein the door-type structural adjustment device is fixedly connected to the disconnected bridge housing, and the brake air chamber is directly mounted on the door-type structural adjustment device. The left and right bridge housings are in a disconnected structure, which has a simple structure and a wide middle aisle, facilitates the layout of the vehicle chassis, and has strong passability.

[0020] 5. Good stability, easy and quick installation.

[0021] The present invention adopts U-shaped bolts to fix the door-type structure adjustment device on the C-shaped beam, which has good stability. The wheel hub assemblies on both sides are independently installed on the C-shaped beam, and the installation is convenient and quick.

[0022] 6. Novel structural design and low cost

[0023] The door-type structure adjustment device adopted by the present invention has a novel structural design and is directly composed of multiple support plates; and the brake air chamber and the adjustment arm assembly are directly installed on the door-type structure adjustment device to achieve the braking effect of the vehicle, reducing the brake air chamber bracket and other parts used in the traditional structure, and the cost is lower.

[0024] 7. Reliable performance

[0025] The left wheel hub assembly and the right wheel hub assembly of the present invention are respectively equipped with a brake assembly and an ABS sensor, that is, they respectively have a braking function and an ABS anti-lock braking alarm function, and their performance is reliable.

[0026] 8. Easy maintenance

[0027] Since the wheel hub assemblies on the left and right sides of the present invention are of a disconnected structure, repair and maintenance are relatively convenient.

[0028] 9. Applicable to airport shuttle buses

[0029] Due to the compact structure, large chassis space, and large inner and outer turning angles of the present invention, the left and right wheels cannot move independently, thereby ensuring the driving stability of the vehicle and being suitable for airport shuttle buses.

[0030] The technical features of the disconnectable airport shuttle bridge of the present invention will be further described below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 : A schematic diagram of the structure of the disconnectable airport shuttle bridge of the present invention,

[0032] Figure 2 : A schematic structural diagram of the left wheel hub assembly according to the first embodiment,

[0033] Figure 3 : Figure 2 A top view of

[0034] Figure 4 : A schematic structural diagram of the right wheel hub assembly according to the first embodiment,

[0035] Figure 5 : Figure 4 A top view of

[0036] Figure 6 : Exploded view of the components of the left wheel hub assembly described in Example 1,

[0037] Figure 7 : Figure 2 AA cross-sectional enlarged view,

[0038] Figure 8 : Figure 4 B-direction view,

[0039] Figure 9 : One of the structural diagrams of the door-type structure adjustment device described in Example 1 (forward direction),

[0040] Figure 10 : The second structural diagram of the door-type structure adjustment device described in Example 1 (reverse direction),

[0041] Figure 11 : A schematic diagram of the structure of the disconnectable airport shuttle axle connected to the air suspension C-beam of the present invention;

[0042] In the above drawings, the reference numerals of the various parts are as follows:

[0043] 1-1-left wheel hub assembly, 1-2-right wheel hub assembly,

[0044] 11-wheel hub brake drum assembly, 111-end cover, 112-wheel hub, 113-locking mechanism, 114-outer bearing,

[0045] 115-inner bearing, 116-brake assembly, 1161-ABS sensor, 117-camshaft,

[0046] 12-disconnect axle housing,

[0047] 13-door structure adjustment device, 131-bottom plate, 132-top plate, 1321-adjustment arm observation hole,

[0048] 133-support plate, 1331-support plate I, 1332-support plate II, 1333-support plate III,

[0049] 1334-Support Plate IV, 1335-Support Plate V, 1336-Support Plate VI,

[0050] 14-brake air chamber, 15-adjusting arm assembly,

[0051] 2-air suspension C-beam, 3-middle crossbeam, 4-airbag, 5-stabilizer bar, 6-right thrust rod assembly,

[0052] 7-Left thrust rod assembly. DETAILED DESCRIPTION

[0053] Example 1

[0054] A disconnected airport shuttle axle comprises a symmetrically arranged, disconnected left hub assembly 1-1 and right hub assembly 1-2. The left hub assembly 1-1 and the right hub assembly 1-2 are respectively mounted on an air suspension C-beam 2, and the left and right wheels are respectively independently mounted on the left hub assembly 1-1 and the right hub assembly 1-2.

[0055] The left wheel hub assembly 1-1 and the right wheel hub assembly 1-2 both include a wheel hub brake drum assembly 11, a disconnectable bridge housing 12, a door-type structure adjustment device 13, a brake air chamber 14, and an adjustment arm assembly 15; the wheel hub brake drum assembly 11 is installed at one end of the disconnectable bridge housing 12, and the other end of the disconnectable bridge housing 12 is fixedly connected to the door-type structure adjustment device 13.

[0056] The door-type structure adjustment device 13 includes a base plate 131, multiple support plates 133, and a top plate 132. The multiple support plates 133 fixedly connect the base plate 131 and the top plate 132 together; U-shaped bolt mounting holes are respectively provided on the base plate 131 and the top plate 132, and the entire door-type structure adjustment device is installed on the air suspension C-beam 2 by passing through the U-shaped bolt mounting holes. The top plate 132 is provided with an adjustment arm observation hole 1321; the brake air chamber 14 is installed on the top plate 132.

[0057] The multiple support plates 133 include support plate I 1331, support plate II 1332, support plate III 1333, support plate IV 1334, support plate V 1335, and support plate VI 1336. The support plate I 1331 and support plate IV 1334 are respectively fixed on the left and right sides of the middle of the base plate 131, and support plate I 1331 and support plate IV 1334 are both provided with a bridge housing mounting hole, which is fixedly connected to the other end of the disconnected bridge housing 12; the support plate I 1331 is fixedly connected to one end of the support plate II 1332 located on one side of the support plate I 1331, and the other end of the support plate II 1332 is fixedly connected to the support plate III 1333; the support plate V 1335 and support plate VI 1336 are located on the other side of the support plate I 1331, and a camshaft mounting hole is provided on the support plate VI 1336.

[0058] The wheel hub brake drum assembly 11 includes an end cover 111, a wheel hub 112, a locking mechanism 113, an outer bearing 114, an inner bearing 115, and a brake assembly 116. The wheel hub 112 is respectively installed on the disconnected bridge housing 12 through the inner bearing 115 and the outer bearing 114, and the outer bearing 114 is locked by the locking mechanism 113. The end cover 111 is installed on one end face of the wheel hub 112; the brake assembly 116 is installed on the flange end face of the disconnected bridge housing 12 by bolts, one end of the camshaft 117 is connected to the brake assembly 116, and the other end of the camshaft 117 is installed on the camshaft mounting hole of the support plate VI 1336. The camshaft 117 is fixedly connected to the adjusting arm assembly 15 through a spline, and the adjusting arm assembly 15 is also connected to the brake air chamber 14; the brake assembly 116 is also installed with an ABS sensor 1161.

[0059] The air suspension C-beam 2 is installed on the middle crossbeam 3, and airbags 4 are installed at both ends of the air suspension C-beam 2. A stabilizer bar 5 is installed on the support plate II 1332 of the door-type structure adjustment device 13, and a left thrust rod assembly 7 and a right thrust rod assembly 6 are also connected to the middle of the middle crossbeam 3.

[0060] The above-mentioned wheel hub 112, locking mechanism 113, brake assembly 116, brake air chamber 14, adjustment arm assembly 15, air suspension C-beam 2, airbag 4, stabilizer bar 5, right thrust rod assembly 6, and left thrust rod assembly 7 are all existing technologies.

Claims

1. A disconnectable airport shuttle axle, characterized by: The invention comprises a symmetrically arranged and disconnected left wheel hub assembly (1-1) and a right wheel hub assembly (1-2); the left wheel hub assembly (1-1) and the right wheel hub assembly (1-2) are respectively mounted on the air suspension C-beam (2); the left and right wheels are respectively independently mounted on the left wheel hub assembly (1-1) and the right wheel hub assembly (1-2); the left wheel hub assembly (1-1) and the right wheel hub assembly (1-2) each comprise a wheel hub brake drum assembly (11), a disconnected bridge housing (12), a door-type structural adjustment device (13), a brake air chamber (14), and an adjustment arm assembly (15); the wheel hub brake drum assembly (11) is mounted on one end of the disconnected bridge housing (12), and the other end of the disconnected bridge housing (12) is fixedly connected to the door-type structural adjustment device (13); the door-type structural adjustment device (13) is fixed on the air suspension C-beam (2); the brake air chamber (14) and the adjustment arm assembly (15) are respectively fixed on the air suspension C-beam (2); the brake air chamber (14) and the adjustment arm assembly (15) are respectively fixed on the air suspension C-beam (2); the brake air chamber (14) and the adjustment arm assembly (15) are respectively fixed on the air suspension C-beam (2) and the adjustment arm assembly (15) The chamber (14) and the adjustment arm assembly (15) are respectively mounted on the door-type structure adjustment device (13); the door-type structure adjustment device (13) includes a bottom plate (131), a plurality of support plates (133), and a top plate (132), and the plurality of support plates (133) fix the bottom plate (131) and the top plate (132) together; the bottom plate (131) and the top plate (132) are respectively provided with U-shaped bolt mounting holes, and the entire door-type structure adjustment device is mounted on the air suspension C-beam (2) by U-shaped bolts passing through the U-shaped bolt mounting holes, and the top plate (132) is provided with an adjustment arm observation hole (1321); the other end of the disconnected bridge housing (12) is fixedly mounted on two of the support plates; the brake air chamber (14) and the adjustment arm assembly (15) are respectively mounted on the top plate (132).

2. The disconnectable airport shuttle axle according to claim 1, characterized in that: The plurality of support plates (133) include support plate I (1331), support plate II (1332), support plate III (1333), support plate IV (1334), support plate V (1335), and support plate VI (1336). The support plate I (1331) and support plate IV (1334) are respectively fixed on the left and right sides of the middle of the bottom plate (131), and support plate I (1331) and support plate IV (1334) are provided with a bridge housing mounting hole. The hole is fixedly connected to the other end of the disconnected bridge housing (12); the support plate I (1331) is fixedly connected to one end of the support plate II (1332) located on one side of the support plate I (1331), and the other end of the support plate II (1332) is fixedly connected to the support plate III (1333); the support plate V (1335) and the support plate VI (1336) are located on the other side of the support plate I (1331), and the support plate VI (1336) is provided with a camshaft mounting hole.

3. The disconnectable airport shuttle axle according to claim 2, characterized in that: The wheel hub brake drum assembly (11) includes an end cover (111), a wheel hub (112), a locking mechanism (113), an outer bearing (114), an inner bearing (115), and a brake assembly (116). The wheel hub (112) is mounted on the disconnected bridge housing (12) through the inner bearing (115) and the outer bearing (114), and the outer bearing (114) is locked through the locking mechanism (113). The end cover (111) is mounted on one end face of the wheel hub (112); the brake assembly (116) is mounted on the flange end face of the disconnected bridge housing (12) through fasteners. One end of the camshaft (117) is connected to the brake assembly (116), and the other end of the camshaft (117) is mounted on the camshaft mounting hole of the support plate VI (1336). The camshaft (117) is fixedly connected to the adjustment arm assembly (15) through a spline.

4. The disconnectable airport shuttle axle according to claim 3, characterized in that: An ABS sensor (1161) is also installed on the brake assembly (116).

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