CN111660725A

CN111660725A - Shock attenuation axle assembly

Info

Publication number: CN111660725A
Application number: CN202010642241.1A
Authority: CN
Inventors: 金文应; 贾松
Original assignee: 金文应
Current assignee: Shiyan precision New Power Technology Co.,Ltd.
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-09-15
Anticipated expiration: 2040-07-06
Also published as: CN111660725B

Abstract

The invention relates to the field of axle assemblies, in particular to a shock-absorbing axle assembly, which comprises a supporting column, wherein two ends of the supporting column are fixedly connected with universal joints, two ends of the supporting column are fixedly connected with hubs through the universal joints, one sides of the two hubs, which are close to each other, are fixedly connected with connecting rods, and a steering structure is fixedly connected between the two connecting rods, and the shock-absorbing axle assembly has the following beneficial effects that: through setting up second shock-absorbing structure and first shock-absorbing structure, can cushion and come from automobile body fore-and-aft direction and perpendicular decurrent impact, improve the shock attenuation effect of axle, second damping spring is once buffering between slide cartridge and slide, first damping spring contracts between camber fixed block and slide, do the secondary buffering, twice buffering can improve the shock attenuation buffering effect of axle, prevent that the automobile body continuity from causing great impact to the axle, avoid the axle to cause the harm, turn to simple structure, can control two wheel hubs in a flexible way and turn to.

Description

Shock attenuation axle assembly

Technical Field

The invention relates to the field of axle assemblies, in particular to a damping axle assembly.

Background

The automobile axle is also called as axle, and is connected with the frame or the bearing type automobile body through the suspension, and wheels are arranged at the two ends of the automobile axle. The axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on the road.

The axle needs to be supported on an automobile body to swing up and down in the automobile running process, when the automobile runs on a road and jolts, most of impact can be buffered by the suspension of the automobile body, but the axle also needs to bear part of the impact, the impact needs to be buffered by using a damping system in the axle, so that the running experience of the automobile is enhanced and the abrasion of the axle is reduced, and when the automobile jolts, the damping structure on the axle has small effect and can only buffer the impact from the automobile body vertically downwards; the vehicle body continuously jolts, when the impact force generated on the vehicle axle is large, the shock absorption structure can only perform once buffering, and the buffering effect of the shock absorption structure is poor; the steering structure in the shock absorption axle assembly is complex and poor in flexibility.

Disclosure of Invention

To address the problems in the prior art, the present invention provides a shock absorbing axle assembly.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a shock attenuation axle assembly, includes the support column, the equal fixedly connected with universal joint in both ends of support column, the both ends of support column are all through universal joint fixedly connected with wheel hub, two the equal fixedly connected with connecting rod in one side that wheel hub is close to mutually, two fixedly connected with turns to the structure between the connecting rod, set up the loop type spout that two symmetries set up on the lateral wall of support column, two the draw-in groove has all been seted up to the inside bottom of loop type spout, two the equal joint in inside of draw-in groove has the camber fixed block, the inside of loop type spout all is provided with first shock-absorbing structure, two the equal fixedly connected with second shock-absorbing structure in top of first shock-absorbing structure, two the top of second shock-absorbing structure all is provided with the connecting plate, two equal fixedly connected with sliding construction.

The steering structure comprises a steering rod and a steering ring, the steering rod and the steering ring are both provided with two, two ends, away from the connecting rod, of the connecting rod are hinged to the bottom end of the connecting rod, the side wall of the steering ring is connected with two fixing columns symmetrically arranged in a rotating mode, the fixing columns are connected to one ends, close to the supporting columns, of the fixing columns and fixedly connected with the supporting columns, the bearings are arranged at one ends, close to the steering rod, of the steering rod, and the steering rod is connected with the two steering rings through the bearings in a rotating mode.

The steering mechanism comprises a steering ring, a hinged rod and a swinging rod, wherein the steering ring is fixedly connected with the top end of one side, the top end of the other side is close to the hinged rod, the hinged rod is hinged with the hinged block, and the swinging rod is fixedly connected with the upper surface of the hinged rod.

Specifically, first shock-absorbing structure includes slide, camber slide bar, first damping spring and solid fixed ring, slide, camber slide bar, first damping spring and solid fixed ring all are provided with two, two camber slide bar respectively fixed connection on two lateral walls that the camber fixed block is relative, two the slide is all slided and is cup jointed on the lateral wall of camber slide bar, two first damping spring all overlaps and establish on the pole wall that the camber slide bar is located between slide and the camber fixed block, first damping spring's bottom all with camber fixed block fixed connection, first damping spring's top all with the bottom fixed connection of slide, two gu fixed ring difference fixed connection is on the top of two camber slide bars.

Specifically, second shock-absorbing structure includes slide cartridge, slide bar and second damping spring, slide cartridge, sliding block and second damping spring all are provided with two, two the bottom of slide bar is fixed connection respectively at the upper surface of two slides, two second damping spring all establishes on the lateral wall of slide bar, two the equal sliding connection in the inside of slide cartridge in top of slide bar.

The sliding rod comprises a sliding barrel, a sliding rod and a sealing ring, wherein the sliding barrel is fixedly connected with the sliding rod, the sliding rod is fixedly connected with the sliding barrel, the sliding rod is connected with the sliding barrel in a sliding mode, the sealing ring is connected with the sliding barrel through the sliding ring, and the sealing ring is fixedly connected with the sliding barrel.

Specifically, sliding structure includes slider, slide pipe, spout and limiting plate, slider and limiting plate all are provided with two, two the equal sliding connection of slider is in the inside of slide pipe, the spout has been seted up to the bottom of slide pipe, two the slider all with the top fixed connection of slide cartridge, two the limiting plate is fixed connection respectively at the both ends of slide pipe, the upper surface and the connecting plate fixed connection of slide pipe.

Specifically, two grooves are formed in the bottom end of the arc-shaped fixing block, connecting screws are arranged inside the grooves, and the arc-shaped fixing block is connected with the supporting column through the two connecting screws in a threaded mode.

The invention has the beneficial effects that:

(1) according to the damping axle assembly, the second damping structure is arranged, when an automobile bumps, the second damping spring is slidably sleeved on the outer side wall of the sliding rod, the two sliding cylinders slide downwards along the sliding rod under the impact of the automobile body, the second damping spring contracts between the sliding cylinders and the sliding plate, the vertical downward impact force of the automobile body can be absorbed, the sliding plate is slidably sleeved on the outer side wall of the arc-shaped sliding rod, the automobile body pushes the sliding plate through the sliding rods and the sliding cylinders, the sliding plate pushes the first spring while sliding along the arc-shaped sliding rod, the first spring is stressed to contract between the sliding plate and the arc-shaped fixing block, the impact force from the front and back direction of the automobile body can be absorbed, the front and back impact and the vertical downward impact from the automobile body can be buffered, and the damping effect of.

(2) According to the axle assembly, the second damping structure and the first damping structure are arranged, when an automobile body continuously jolts and an impact force generated by the automobile body on an axle is large, and the automobile body pushes the sliding barrel downwards through the sliding pipe, the sliding barrel slides downwards along the sliding rod, so that the damping spring between the sliding barrel and the sliding plate is stressed and contracted to absorb part of the impact force and perform primary buffering, the sliding plate is stressed and slides downwards along the arc-shaped rod to push the first damping spring, the first damping spring is stressed and contracted between the arc-shaped fixed block and the sliding plate to absorb the impact force and perform secondary buffering, multiple buffering is realized, and the axle is prevented from being damaged.

(3) The steering structure can assist in controlling the two hubs to change directions, and the hinged rod is hinged with the two steering rings at the same time, so that the two steering rings are driven to rotate along the fixed column at the same time when the swing rod moves left and right, the two steering rods swing in the same direction at the same time, and the steering of the two hubs is controlled.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a shock absorbing axle assembly provided in the present invention;

FIG. 2 is a schematic structural view of a first shock absorbing structure and a second shock absorbing structure of a shock absorbing axle assembly provided by the present invention;

FIG. 3 is a schematic structural view of a steering ring in a shock absorbing axle assembly according to the present invention;

FIG. 4 is a schematic perspective view of an arc-shaped slide rod and an arc-shaped fixing block in a shock-absorbing axle assembly according to the present invention;

FIG. 5 is an enlarged schematic view of portion A of FIG. 1 of the shock absorbing axle assembly provided.

In the figure: 1. a support pillar; 2. a hub; 21. a universal joint; 22. a connecting rod; 3. a steering structure; 31. a steering lever; 32. a steering ring; 33. a bearing; 34. fixing a column; 35. a hinged block; 36. a hinged lever; 37. a swing rod; 4. a ring-shaped chute; 5. a first shock-absorbing structure; 51. an arc-shaped fixed block; 52. a slide plate; 53. an arc-shaped slide bar; 54. a first damping spring; 55. a fixing ring; 56. a card slot; 57. a groove; 58. a connecting screw; 6. a second shock-absorbing structure; 61. a slide cylinder; 62. a slide bar; 63. a slider; 64. a second damping spring; 65. sealing a ring; 7. a sliding structure; 71. a slider; 72. a slide pipe; 73. a chute; 74. a limiting block; 8. a connecting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the shock-absorbing axle assembly of the present invention comprises a supporting column 1, wherein two ends of the supporting column 1 are both fixedly connected with universal joints 21, two ends of the supporting column 1 are both fixedly connected with wheel hubs 2 through universal joints 21, one side of the two wheel hubs 2 close to each other is both fixedly connected with connecting rods 22, the two wheel hubs 2 can be pushed to steer by controlling the two connecting rods 22, a steering structure 3 is fixedly connected between the two connecting rods 22, two symmetrically arranged annular chutes 4 are formed on an outer side wall of the supporting column 1, clamping grooves 56 are formed at bottom ends inside the two annular chutes 4, arc-shaped fixing blocks 51 are respectively clamped inside the two clamping grooves 56, first shock-absorbing structures 5 are respectively arranged inside the annular chutes 4, and second shock-absorbing structures 6 are respectively fixedly connected above the two first shock-absorbing structures 5, two the top of second shock-absorbing structure 6 all is provided with connecting plate 8, two equal fixedly connected with sliding structure 7 between second shock-absorbing structure 6 and the connecting plate 8.

Specifically, the steering structure 3 includes a steering rod 31 and a steering ring 32, the steering rod 31 and the steering ring 32 are both provided with two, two ends of the connecting rod 22 away from each other are hinged to the bottom end of the connecting rod 22, two side walls of the steering ring 32 are both rotatably connected with two fixing columns 34 which are symmetrically arranged, four ends of the fixing columns 34 close to the supporting column 1 are both fixedly connected with the supporting column 1, two ends of the steering rod 31 close to each other are both provided with a bearing 33, the two steering rods 31 are both rotatably connected with the two steering rings 32 through the bearings 33, and the two steering rings 32 can rotate along the central axis of the fixing columns 34, so that the steering rod 31 is driven to move leftwards or rightwards.

Concretely, two the equal fixedly connected with of top that the steering ring 32 is close to one side mutually articulates piece 35, two articulated piece 35 articulates jointly has articulated rod 36, the last fixed surface of articulated rod 36 is connected with pendulum rod 37, and pendulum rod 32 is connected with the steering spindle in the car, moves right left through driving articulated rod 36, controls two steering rings 32 and swings to same direction, and when two steering rings 32 swung to same direction, it rotated to same direction to drive two wheel hubs 2, can control two turning to of wheel hub 2.

Specifically, the first damping structure 5 includes a sliding plate 52, an arc-shaped sliding rod 53, a first damping spring 54 and a fixing ring 55, the sliding plate 52, the arc-shaped sliding rod 53, the first damping spring 54 and the fixing ring 55 are all provided with two, the two arc-shaped sliding rods 53 are respectively and fixedly connected to two opposite outer side walls of an arc-shaped fixing block 51, the two sliding plates 52 are respectively and slidably sleeved on the outer side walls of the arc-shaped sliding rods 53, the two first damping springs 54 are respectively and slidably sleeved on rod walls of the arc-shaped sliding rods 53 between the sliding plate 52 and the arc-shaped fixing block 51, when the first damping springs 54 are stressed, the sliding plates 52 and the arc-shaped fixing block 51 can be contracted along the arc-shaped sliding rods 53 to achieve a buffering effect, the bottom ends of the first damping springs 54 are both fixedly connected with the arc-shaped fixing block 51, the top ends of the first damping springs 54 are both fixedly connected with the bottom of the, the two fixing rings 55 are respectively and fixedly connected to the top ends of the two arc-shaped sliding rods 53, and in the process that the sliding plate 52 slides downwards, the first damping spring 54 is stressed and contracted between the sliding plate 52 and the arc-shaped fixing block 51, so that the impact from the front and back directions of the vehicle body can be absorbed.

Specifically, second shock-absorbing structure 6 includes slide 61, slide 62 and second damping spring 64, slide 61, slide 63 and second damping spring 64 all are provided with two, two slide 62's bottom difference fixed connection is at the upper surface of two slides 52, two second damping spring 64 all establishes on slide 62's lateral wall, two slide 62's the equal sliding connection in slide 61's top, when slide 61 slided the promotion second damping spring 64 downwards along slide 62, second damping spring 64 contracts between slide 61 and slide 52, can absorb the vertical decurrent impact force of automobile body.

Specifically, two equal fixedly connected with sliding block 63 in top of slide bar 62, two equal sliding connection of sliding block 63 is in the inside of slide 61, two the top of slide bar 62 lateral wall slides and has cup jointed seal ring 65, two seal ring 65 all with slide 61 fixed connection, slide bar 62 passes through slide 63 and slides in the inside of slide 61, seal ring 65 can restrict slide 63 and slide 61's inside and slide, can prevent that slide 63 and slide 62 from breaking away from slide 61.

Specifically, sliding structure 7 includes slider 71, slide pipe 72, spout 73 and limiting plate 74, slider 71 and limiting plate 74 all are provided with two, two the equal sliding connection of slider 71 is in the inside of slide pipe 72, spout 73 has been seted up to the bottom of slide pipe 72, two slider 71 all with the top fixed connection of slide cartridge 61, two limiting plate 74 is fixed connection respectively at the both ends of slide pipe 72, the upper surface and the connecting plate 8 fixed connection of slide pipe 72, the gliding in-process of slide 52 downwards, two slides 52 remove to the direction that is close to each other, drive slider 71 through slide bar 62 and slide cartridge 61 and slide in the inside of slide pipe 72, and limiting plate 74 can prevent that slider 71 breaks away from slide pipe 72.

Specifically, two recess 57, two have all been seted up to arc fixed block 51's bottom the inside of recess 57 all is provided with connecting screw 58, arc fixed block 51 all through two connecting screw 58 and support column 1 threaded connection, can separate arc fixed block 51 and support group through dismantling two connecting screw 58, is convenient for dismantle arc fixed block 51.

When in use, the swing rod 37 is arranged on a steering shaft of a vehicle body, the connecting plate 8 is connected with the vehicle body, when the vehicle jounces, the connecting plate 8 pushes the two sliding cylinders 61 downwards, so that the sliding block 63 slides in the sliding cylinders 61, the two sliding cylinders 61 slide downwards along the sliding rods 62 to push the second damping spring 64, the second damping spring 64 contracts between the sliding cylinders 61 and the sliding plate 52 and can absorb the vertical downward impact force of the vehicle body, meanwhile, the vehicle body jounces continuously, when the vehicle body generates large impact force on a vehicle axle, the second damping spring 64 performs one-time buffering between the sliding cylinders 61 and the sliding plate 52 and pushes the sliding plate 52 downwards, the sliding cylinders 61 and the second damping spring 64 push the sliding plate 52 to slide along the arc-shaped sliding rod 53 and push the first damping spring 54, and during the downward sliding of the sliding plate 52, the sliding rod 62 and the sliding cylinder 61 drive the sliding block 71 to slide in the sliding pipe 72, the first damping spring 54 is stressed and contracted between the sliding plate 52 and the arc-shaped fixed block 51 and can absorb impact force from the front and rear directions of a vehicle body, the first damping structure 5 and the second damping structure 5 can buffer impact from the front and rear directions of the vehicle body and vertical downward impact, the damping effect of an axle is improved, meanwhile, when the impact force generated by the vehicle body to the axle is large, the first damping spring 54 is contracted between the arc-shaped fixed block 51 and the sliding plate 52 and performs secondary buffering, in the process of the secondary buffering, the sliding plate 52 slides downward, the two sliding plates 52 move towards the mutually approaching direction, the sliding block 71 is driven by the sliding rod 62 and the sliding barrel 61 to slide in the sliding pipe 72, the limiting plate 74 can prevent the sliding block 71 from separating from the sliding pipe 72, the damping effect of the axle can be improved by the secondary buffering, large impact on the axle caused by the continuity of the vehicle body is effectively prevented, the heavy steering shaft of automobile body drives pendulum rod 37 and swings from side to move two steering rings 32 through articulated rod 36 and fully rotate along fixed column 34, can drive two steering column 31 and swing to a direction simultaneously, thereby control two wheel hub 2 and turn to, simple structure can control two wheel hub 2 in a flexible way and turn to.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A shock attenuation axle assembly which characterized in that: the damping device comprises a supporting column (1), universal joints (21) are fixedly connected to two ends of the supporting column (1), wheel hubs (2) are fixedly connected to two ends of the supporting column (1) through the universal joints (21), connecting rods (22) are fixedly connected to one side, close to each other, of each wheel hub (2), a steering structure (3) is fixedly connected between the two connecting rods (22), two symmetrically-arranged annular sliding grooves (4) are formed in the outer side wall of the supporting column (1), clamping grooves (56) are formed in the bottom ends of the inner parts of the two annular sliding grooves (4), arc-shaped fixing blocks (51) are clamped in the inner parts of the two clamping grooves (56), first damping structures (5) are arranged in the inner parts of the annular sliding grooves (4), and second damping structures (6) are fixedly connected to the upper parts of the two first damping structures (5), and a connecting plate (8) is arranged above the two second damping structures (6), and a sliding structure (7) is fixedly connected between the two second damping structures (6) and the connecting plate (8).

2. The shock absorbing axle assembly of claim 1 wherein: turn to structure (3) including steering column (31) and steering ring (32), steering column (31) and steering ring (32) all are provided with two, two the one end that connecting rod (22) kept away from mutually all is articulated with the bottom of connecting rod (22), two the lateral wall of steering ring (32) all rotates fixed column (34) that is connected with two symmetries and sets up, four the one end that fixed column (34) are close to support column (1) all with support column (1) fixed connection, two steering column (31) one end that is close to mutually all is provided with bearing (33), two steering column (31) all rotate with two steering ring (32) respectively through bearing (33) and are connected.

3. The shock absorbing axle assembly of claim 2 wherein: two equal fixedly connected with of top that turns to ring (32) and be close to one side mutually articulates piece (35), two it has articulated pole (36) jointly to articulate piece (35), the last fixed surface of articulated pole (36) is connected with pendulum rod (37).

4. The shock absorbing axle assembly of claim 1 wherein: the first damping structure (5) comprises a sliding plate (52), an arc-shaped sliding rod (53), a first damping spring (54) and a fixing ring (55), the two arc-shaped sliding rods (53) are respectively fixedly connected to two opposite outer side walls of the arc-shaped fixed block (51), the two sliding plates (52) are respectively sleeved on the outer side walls of the arc-shaped sliding rods (53) in a sliding manner, the two first damping springs (54) are respectively sleeved on the rod wall of the arc-shaped sliding rod (53) between the sliding plate (52) and the arc-shaped fixed block (51), the bottom ends of the first damping springs (54) are fixedly connected with the arc-shaped fixed block (51), the top ends of the first damping springs (54) are fixedly connected with the bottom of the sliding plate (52), and the two fixing rings (55) are fixedly connected to the top ends of the two arc-shaped sliding rods (53) respectively.

5. The shock absorbing axle assembly of claim 1 wherein: second shock-absorbing structure (6) are including slide cylinder (61), slide bar (62) and second damping spring (64), slide cylinder (61), sliding block (63) and second damping spring (64) all are provided with two, two the bottom of slide bar (62) is fixed connection respectively at the upper surface of two slide boards (52), two second damping spring (64) all overlaps and establishes on the lateral wall of slide bar (62), two the equal sliding connection in the inside of slide cylinder (61) in top of slide bar (62).

6. The shock absorbing axle assembly of claim 5 wherein: two the equal fixedly connected with sliding block (63) in top of slide bar (62), two the equal sliding connection of sliding block (63) is in the inside of slide cartridge (61), two the top of slide bar (62) lateral wall slides and has cup jointed seal ring (65), two seal ring (65) all with slide cartridge (61) fixed connection.

7. The shock absorbing axle assembly of claim 1 wherein: sliding structure (7) include slider (71), slide pipe (72), spout (73) and limiting plate (74), slider (71) and limiting plate (74) all are provided with two, two the equal sliding connection in the inside of slide pipe (72) in slider (71), spout (73) have been seted up to the bottom of slide pipe (72), two slider (71) all with the top fixed connection of slide cartridge (61), two limiting plate (74) fixed connection is respectively at the both ends of slide pipe (72), the upper surface and connecting plate (8) fixed connection of slide pipe (72).

8. The shock absorbing axle assembly of claim 1 wherein: two recess (57) have all been seted up to the bottom of arc fixed block (51), two the inside of recess (57) all is provided with connecting screw (58), arc fixed block (51) all through two connecting screw (58) and support column (1) threaded connection.