Steering axle assembly structure based on cast axle body and tapered roller bearing

Abstract

The utility model relates to the technical field of steering axles, and discloses a steering axle assembly structure based on a cast axle body and a tapered roller bearing, which comprises a steering axle body, an oil cylinder assembly is fixedly arranged on the inner wall of the steering axle body, and the tapered roller bearing is arranged on the inner wall of the steering axle body. A steering assembly is arranged on the surface of the steering axle body, an adjusting assembly is arranged in the steering axle body, the steering assembly comprises a steering knuckle, the steering knuckle is hinged to the side face of the steering axle body, and a framework oil seal is fixedly installed on the surface of the steering knuckle. According to the steering axle assembly structure based on the cast axle body and the tapered roller bearing, in order to enable steering to be more stable, a steering knuckle, a framework oil seal, a supporting sleeve, a tapered roller bearing body, a cover plate and an outline body are arranged and matched with a flat gasket, a hub cover, a groove-shaped nut, a pin opening, a hub bolt, a hub nut, an inner hexagonal countersunk head screw and a cotter pin; therefore, the steering is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steering axle, concretely to a kind of steering axle assembly structure based on casting axle body and tapered roller bearing. BACKGROUND

[0002] 1.5~2T steering axle assembly structure based on casting axle body and tapered roller bearing is a steering system specially designed for light-duty vehicle, and its main function and purpose are to provide reliable steering support and support, and ensure the stability and safety of vehicle during driving and steering.

[0003] When working, the tapered roller bearing supports the knuckle and the wheel, realizes the steering function, and the knuckle is connected with the axle body through the kingpin, allowing the wheel to rotate within a certain range

[0004] At present, all steering axle assembly structures based on casting axle body and tapered roller bearing have low stability of steering system when in use, and receive greater impact force on uneven road surface, and need large space to turn around, therefore, we provide a steering axle assembly structure based on casting axle body and tapered roller bearing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a steering axle assembly structure based on casting axle body and tapered roller bearing to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a steering axle assembly structure based on casting axle body and tapered roller bearing, comprising a steering axle body, an oil cylinder assembly is fixedly installed on the inner wall of the steering axle body, a steering assembly is arranged on the surface of the steering axle body, an adjusting assembly is arranged in the steering axle body, and the steering assembly comprises:

[0007] A knuckle is hingedly connected to the side surface of the steering axle body, a skeleton oil seal is fixedly installed on the surface of the knuckle, a support sleeve is fixedly installed on the inner wall of the knuckle, and a tapered roller bearing body is fixedly installed on the inner wall of the knuckle.

[0008] A cover plate is fixedly installed on the top of the knuckle, a hub body is fixedly installed on the end of the knuckle away from the steering axle body, a flat washer is fixedly installed on the inner wall of the hub body, and a hub cover is fixedly installed on the end of the hub body away from the knuckle.

[0009] The inner wall of the hub cover is fixedly installed with a slotted nut, the surface of the slotted nut is fixedly installed with a split pin, the surface of the hub body is fixedly installed with a hub bolt, the surface of the hub bolt is threadedly connected with the inner wall of a hub nut, the surface of the steering knuckle is threadedly connected with a hexagonal countersunk head screw, and the inner wall of the steering knuckle is provided with a kingpin.

[0010] Preferably, the steering assembly is provided with multiple groups, and the multiple groups of steering assemblies are mirror images arranged on the left and right sides of the vertical center line of the steering bridge as a mirror axis, which can better steer.

[0011] Preferably, the support sleeve, the tapered roller bearing body and the cover plate are provided with multiple groups, which can make steering more stable.

[0012] Preferably, the hub bolt and the hub nut are provided with multiple groups, and the multiple groups of the hub bolt and the hub nut are equidistantly circumferentially arrayed with the center of the circular cross section of the hub body as an array center, and the hexagonal countersunk head screws are provided with multiple groups.

[0013] Preferably, the adjusting assembly comprises a hexagonal bolt threadedly connected with the inner wall of the steering bridge, an extension rod of the oil cylinder assembly penetrating a guide plate fixedly installed with the inner wall of the steering bridge, a connecting rod pin hingedly connected with the extension shaft of the oil cylinder assembly, a connecting rod plate fixedly installed at the top of the connecting rod pin, a bushing fixedly installed with the inner wall of the connecting rod plate, and a joint bearing fixedly installed with the inner wall of the bushing.

[0014] Preferably, the adjusting assembly is provided with multiple groups, the hexagonal bolts are provided with multiple groups, the guide plates are provided with multiple groups, the connecting rod pins, the bushings and the joint bearings are provided with multiple groups, and the connecting rod plates are provided with multiple groups, which can make the adjustment more stable.

[0015] Compared with the prior art, the utility model provides a kind of steering bridge assembly structure based on casting bridge body and tapered roller bearing, with the following beneficial effects:

[0016] 1、the steering bridge assembly structure based on casting bridge body and tapered roller bearing, to make steering more stable, by being provided with steering knuckle, skeleton oil seal, support sleeve, tapered roller bearing body, cover plate and contour body, cooperate with flat washer, hub cover, slotted nut, split pin, hub bolt, hub nut, hexagonal countersunk head screw and split pin, so that steering more stable.

[0017] 2、the steering bridge assembly structure based on casting bridge body and tapered roller bearing, to better steer, by being provided with oil cylinder assembly, hexagonal bolt and guide plate, cooperate with connecting rod pin, connecting rod plate, bushing and joint bearing, so that oil cylinder assembly can be moved with connecting rod pin when adjusting, to better steer. Attached Figure Description

[0018] Figure 1 This is a top-right view of the overall structure of this utility model;

[0019] Figure 2 This is a front view schematic diagram of the overall structure of this utility model;

[0020] Figure 3 This is a top view of the overall structure of this utility model;

[0021] Figure 4 This is a side view of the overall structure of this utility model;

[0022] Figure 5 This is a front view schematic diagram of one part of the structure of this utility model;

[0023] Figure 6 This is a multi-angle schematic diagram of the hub bolt and hub nut structure of this utility model;

[0024] Figure 7 This utility model Figure 2 A magnified structural diagram of region A in the middle.

[0025] In the diagram: 1. Steering axle; 2. Hydraulic cylinder assembly; 3. Steering component; 31. Steering knuckle; 32. Oil seal; 33. Support sleeve; 34. Tapered roller bearing body; 35. Cover plate; 36. Wheel hub body; 37. Flat washer; 38. Wheel hub cover; 39. Groove nut; 310. Cotter pin; 311. Wheel hub bolt; 312. Wheel hub nut; 313. Socket head cap screw; 314. Kingpin; 4. Adjustment component; 41. Hex bolt; 42. Guide plate; 43. Connecting rod pin; 44. Connecting rod plate; 45. Bushing; 46. Spherical plain bearing. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-7 This utility model provides a technical solution: a steering axle assembly structure based on a cast axle body and tapered roller bearings, including a steering axle body 1, a hydraulic cylinder assembly 2 fixedly installed on the inner wall of the steering axle body 1, a steering component 3 provided on the surface of the steering axle body 1, and an adjustment component 4 provided inside the steering axle body 1.

[0028] In an embodiment of the utility model, the steering assembly 3 includes steering knuckle 31, the side of steering axle body 1 is hinged with steering knuckle 31, steering knuckle 31 can rotate with large angle relative to steering axle body 1, the surface of steering knuckle 31 is fixedly installed with skeleton oil seal 32, skeleton oil seal 32 is used for preventing lubricating oil or grease from leaking from inside steering knuckle 31 to outside environment, keeps the lubrication and sealing of steering system, the inner wall of steering knuckle 31 is fixedly installed with support sleeve 33, the inner wall of steering knuckle 31 is fixedly installed with tapered roller bearing body 34, the top of steering knuckle 31 is fixedly installed with cover plate 35, support sleeve 33, tapered roller bearing body 34 and cover plate 35 are provided with two groups, the end of steering knuckle 31 away from steering axle body 1 is fixedly installed with hub body 36, tapered roller bearing body 34 and support sleeve 33 can jointly support and guide the rotary motion of hub body 36, and simultaneously bear radial and axial load from road surface, the inner wall of hub body 36 is fixedly installed with flat washer 37, the end of hub body 36 away from steering knuckle 31 is fixedly installed with hub cover 38, the inner wall of hub cover 38 is fixedly installed with slotted nut 39, the surface of slotted nut 39 is fixedly installed with split pin 310, the surface of hub body 36 is fixedly installed with hub bolt 311, the surface of hub bolt 311 is threadedly connected with the inner wall of hub nut 312, hub body 36 is firmly installed at the end of steering knuckle 31 through flat washer 37, slotted nut 39, split pin 310, hub bolt 311 and hub nut 312, ensures that tire can stably rotate, hub bolt 311 and hub nut 312 are provided with six groups, and the six groups of hub bolt 311 and hub nut 312 are equidistant circumferential array with the center of circular section circle of hub body 36 as array center, the surface of steering knuckle 31 is threadedly connected with internal hexagon countersunk head screw 313, internal hexagon countersunk head screw 313 is provided with two groups, the inner wall of steering knuckle 31 is provided with kingpin 314, steering assembly 3 is provided with two groups, and the two groups of steering assembly 3 take vertical center line of steering axle body 1 as mirror axis, are mirror-imaged and set up on the left and right sides of steering axle body 1, can better steer.

[0029] In an embodiment of the utility model, adjusting assembly 4 includes the inner wall of steering bridge body 1 is screwed with hexagon bolt 41, hexagon bolt 41 is provided with four groups, the extension rod of oil cylinder assembly 2 passes through guide plate 42, guide plate 42 is fixedly installed with the inner wall of steering bridge body 1, guide plate 42 is provided with two groups, the extension shaft of oil cylinder assembly 2 is hinged with the surface of connecting rod pin 43, another group of connecting rod pin 43 is hinged with the surface of steering knuckle 31, the top of connecting rod pin 43 is fixedly installed with connecting rod plate 44, the extension shaft of oil cylinder assembly 2 is hinged with connecting rod pin 43, when oil cylinder assembly 2 works, the telescopic movement of its extension shaft is passed through connecting rod pin 43 and is transmitted to connecting rod plate 44, connecting rod plate 44 is provided with two groups, the inner wall of connecting rod plate 44 is fixedly installed with bushing 45, the inner wall of bushing 45 is fixedly installed with joint bearing 46, connecting rod pin 43, bushing 45 and joint bearing 46 are provided with two groups, two groups of connecting rod pin 43, bushing 45 and joint bearing 46 work cooperatively, ensure that the adjusting function of steering bridge is stable and reliable, adjusting assembly 4 is provided with two groups. The bushing 45 and joint bearing 46 of connecting rod plate 44 inner wall can reduce the friction between connecting rod pin 43 and connecting rod plate 44, improve the smoothness of movement, adjusting assembly 4 is provided with two groups.

[0030] Working principle: steering knuckle 31 is connected with the side of steering bridge body 1 by hinged mode, allows steering knuckle 31 to rotate relative to steering bridge body 1 at large angle, conical roller bearing body 34 and support sleeve 33 are fixedly installed on the inner wall of steering knuckle 31, they jointly support and guide the rotary motion of wheel hub body 36, simultaneously bear radial and axial load from road surface, wheel hub body 36 is firmly installed at the end of steering knuckle 31 through flat washer 37, slot nut 39, cotter pin 310, wheel hub bolt 311 and wheel hub nut 312, ensure that tire can stably rotate, when driver rotates steering wheel, steering knuckle 31 will rotate around kingpin 314, thereby drive wheel hub body 36 and tire to change direction, realize the steering of vehicle, skeleton oil seal 32 is installed on the surface of steering knuckle 31, is used for preventing lubricating oil or grease from leaking from the inside of steering knuckle 31 to external environment, keeps the lubrication and sealing of steering system, the extension rod of oil cylinder assembly 2 is hinged with connecting rod plate 44 through connecting rod pin 43, when oil cylinder assembly 2 telescopes, the strength is transmitted and changes steering knuckle 31 through connecting rod pin 43 and connecting rod plate 44, connecting rod pin 43, bushing 45 and joint bearing 46 work cooperatively, ensure that the adjusting function of steering bridge is stable and reliable, when the extension rod of oil cylinder assembly 2 telescopes, it will push or pull the adjustment of steering knuckle 31 through connecting rod pin 43 and connecting rod plate 44, guide plate 42 can guide the movement direction of the extension rod of oil cylinder assembly 2, the bushing 45 and joint bearing 46 of connecting rod plate 44 inner wall can reduce the friction between connecting rod pin 43 and connecting rod plate 44, improve the smoothness of movement.

[0031] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, and this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model's thought spirit, all are within the utility model's protection scope.

Claims

1. A kind of based on casting axle body and taper roller bearing steering axle assembly structure, including steering axle body (1), the inner wall of the steering axle body (1) is fixedly installed with oil cylinder assembly (2), it is characterized by: The surface of the steering bridge body (1) is provided with a steering assembly (3), the inside of the steering bridge body (1) is provided with an adjusting assembly (4), the steering assembly (3) comprises: Knuckle (31), the side of the steering bridge body (1) is hinged with a knuckle (31), the surface of the knuckle (31) is fixedly installed with a skeleton oil seal (32), the inner wall of the knuckle (31) is fixedly installed with a support sleeve (33), the inner wall of the knuckle (31) is fixedly installed with a tapered roller bearing body (34); Cover plate (35), the top of the knuckle (31) is fixedly installed with a cover plate (35), the end of the knuckle (31) away from the steering bridge body (1) is fixedly installed with a hub body (36), the inner wall of the hub body (36) is fixedly installed with a flat washer (37), the end of the hub body (36) away from the knuckle (31) is fixedly installed with a hub cover (38); Groove nut (39), the inner wall of the hub cover (38) is fixedly installed with a groove nut (39), the surface of the groove nut (39) is fixedly installed with a split pin (310), the surface of the hub body (36) is fixedly installed with a hub bolt (311), the surface of the hub bolt (311) is threadedly connected with the inner wall of the hub nut (312), the surface of the knuckle (31) is threadedly connected with a hexagonal socket head cap screw (313), the inner wall of the knuckle (31) is provided with a kingpin (314).

2. A casted axle assembly structure based on a casted axle and a tapered roller bearing according to claim 1, characterized in that: The steering assembly (3) is provided with multiple groups, and multiple steering assemblies (3) are mirror image arranged on the left and right sides of the steering bridge body (1) with the vertical center line of the steering bridge body (1) as the mirror axis.

3. The cast axle assembly structure based on a cast beam and tapered roller bearing according to claim 1, characterized in that: The support sleeve (33), the tapered roller bearing body (34) and the cover plate (35) are provided with multiple groups.

4. The cast axle assembly structure based on a cast beam and tapered roller bearing according to claim 1, characterized in that: The hub bolt (311) and the hub nut (312) are provided with multiple groups, and multiple hub bolts (311) and hub nuts (312) are arranged at equal intervals in a circular array with the center of the circular cross section of the hub body (36) as the array center, and the hexagonal socket head cap screws (313) are provided with multiple groups.

5. The cast axle assembly structure based on a cast beam and tapered roller bearing according to claim 1, characterized in that: The adjusting assembly (4) comprises a hexagonal bolt (41) threadedly connected with the inner wall of the steering bridge body (1), an extension rod of an oil cylinder assembly (2) penetrates a guide plate (42), the guide plate (42) is fixedly installed with the inner wall of the steering bridge body (1), the extension shaft of the oil cylinder assembly (2) is hinged with the surface of a connecting rod pin (43), the top of the connecting rod pin (43) is fixedly installed with a connecting rod plate (44), the inner wall of the connecting rod plate (44) is fixedly installed with a bushing (45), and the inner wall of the bushing (45) is fixedly installed with a joint bearing (46).

6. A casted axle assembly structure based on a casted axle and tapered roller bearing according to claim 5, characterized in that: The adjusting assembly (4) is provided with multiple groups, the hexagonal bolts (41) are provided with multiple groups, the guide plates (42) are provided with multiple groups, the connecting rod pins (43), the bushings (45) and the joint bearings (46) are provided with multiple groups, and the connecting rod plates (44) are provided with multiple groups.

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