CN211663333U - Double-body swing arm obstacle crossing vehicle with shock absorption and swing steering control mechanism - Google Patents

Abstract

A double-body swing arm obstacle crossing vehicle with a shock absorption and swing steering control mechanism comprises a front frame and a rear frame, wherein a front frame cross beam is arranged at the rear end of the front frame in the left-right horizontal direction, a rear frame cross beam is arranged at the front end of the rear frame in the left-right horizontal direction, the forward end face of the rear frame cross beam is attached to the backward end face of the front frame cross beam, pin shaft holes are respectively and coaxially arranged in the middle of the rear frame cross beam and the middle of the front frame cross beam, the rear frame cross beam is connected with a rotating shaft which penetrates through the pin shaft holes in the middle of the rear frame cross beam and the middle of the front frame cross beam in a clearance fit mode, and the rear frame cross beam and/. The double-body swing arm obstacle crossing vehicle has the advantages that the wheels can swing to steer, the tires are prevented from being seriously abraded due to sliding steering, the steering efficiency is high, the power loss for steering is low, and the double-body swing arm obstacle crossing vehicle is provided with a damping and swing steering control mechanism.

Description

Double-body swing arm obstacle crossing vehicle with shock absorption and swing steering control mechanism

Technical Field

The utility model relates to a two automobile body swing arms hinder car more with shock attenuation and swing steering control mechanism.

Background

The utility model discloses a utility model patent of 2016 12 months 02 days in year, and 06 months 06 days in 2017 in publication (announcement) days, patent number 201621319054.5, utility model name "the articulated obstacles surmounting vehicle of rocking arm is removed to the focus", discloses one kind can increase substantially the vehicle and stride across the ability of hole, ditch and the higher obstacle of broad, lets the vehicle can cross wideer hole, ditch and higher obstacle to stride across the stable reliable swing arm obstacles surmounting vehicle of ability of hole, ditch, high slope. However, the existing swing arm type obstacle crossing vehicle is different from a common vehicle and does not have a wheel steering function, so that the existing swing arm type vehicle cannot perform wheel swing steering and can only perform sliding steering through the speed difference of wheels at two sides. The sliding steering efficiency is very low, the power loss is large, the tire abrasion is serious, the sliding steering can be carried out only under the condition of low speed, the vehicle controllability is not good, and the use requirement can not be met.

In addition, the existing swing arm type obstacle crossing vehicle has poor damping function, and can not well eliminate the vibration and jolt of the vehicle body caused by the fluctuation of the ground, so that the comfortable feeling of people driving and riding the swing arm type obstacle crossing vehicle is poor. In addition, each swing arm of the existing swing arm obstacle crossing vehicle is required to be mounted on a swing arm shaft, so that related transmission parts are used more, the structure of the vehicle is complex, the weight is increased, and the energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure of vehicle, light in weight, the energy consumption is little, can eliminate because ground fluctuation causes the vibrations of automobile body, jolt well, lets drive, take the swing arm and hinder the people's comfort of car high more to let the wheel can swing and turn to, avoid the tire because slide and turn to by serious wearing and tearing, and turn to efficiently, turn to with the little two automobile body swing arms that have shock attenuation and swing steering control mechanism of power loss and hinder the car more.

The utility model discloses a two automobile body swing arms car of hindering more with shock attenuation and swing steering operating mechanism, including front frame and back frame, the rear end of front frame is equipped with the front frame crossbeam along controlling the horizontal direction, the front end of back frame is equipped with the back frame crossbeam along controlling the horizontal direction, the terminal surface that the back frame crossbeam is faced forward is pasted with the terminal surface that the front frame crossbeam is faced backward, the middle part of back frame crossbeam and the middle part of front frame crossbeam are equipped with the round pin shaft hole coaxially respectively, the back frame crossbeam is through adopting clearance fit to pass the round pin shaft hole in the middle part of back frame crossbeam and front frame crossbeam and link to each other, back frame crossbeam and/or front frame crossbeam can encircle the pivot swing;

the front frame is characterized in that front swing arm mounting shafts are respectively arranged on the left side and the right side of the middle part of the front frame, the inner ends of the front swing arm mounting shafts are rotatably mounted on the front frame, the axis of each front swing arm mounting shaft is positioned in the left-right horizontal direction, the outer ends of the two front swing arm mounting shafts are respectively connected with the inner ends of the front swing arms and the inner ends of the front rear swing arms, the front swing arms and the front rear swing arms can rotate around the axis of the corresponding front swing arm mounting shafts, the two front swing arms extend obliquely towards the front lower part, the two front rear swing arms extend obliquely towards the rear lower part, the outer ends of the front swing arms and the outer ends of the front rear swing arms can do swinging motion which is far away from or close to each other around the axis of the corresponding front swing arm mounting shafts, front supports are respectively mounted in the middle parts of the surfaces of the two front swing arms which are inclined upwards, front supports are respectively mounted in, a front vehicle shock absorber is arranged between the front vehicle front support and the front vehicle rear support along the front-rear direction, the front end of each front vehicle shock absorber is respectively connected with the corresponding front vehicle front support through a front vehicle front rotating pin shaft, the rear end of each front vehicle shock absorber is respectively connected with the corresponding front vehicle rear support through a front vehicle rear rotating pin shaft, and when the front vehicle swing arm and the front vehicle rear swing arm are in the original position, the front vehicle shock absorber is positioned above the corresponding front swing arm mounting shaft, the front vehicle swing arm and the front vehicle rear swing arm;

the rear vehicle comprises a rear vehicle frame, a rear vehicle front swing arm, a rear vehicle rear swing arm, a rear vehicle front swing arm, a rear vehicle rear swing arm, a rear vehicle front support, a rear vehicle rear support, a rear vehicle front support and a rear vehicle rear support, wherein the left side and the right side of the middle part of the rear vehicle frame are respectively provided with a rear swing arm installation shaft, the inner end of the rear swing arm installation shaft is rotatably installed on the rear vehicle frame, the axis of the rear swing arm installation shaft is positioned in the left horizontal direction, the outer end of the two rear swing arm installation shafts is respectively connected with the inner end of the rear vehicle front swing arm and the inner end of the rear vehicle rear swing arm, the rear swing arm and the rear vehicle rear swing arm can rotate around the axis of the corresponding rear swing arm installation shaft, the two rear vehicle, rear vehicle shock absorbers are arranged between the rear vehicle front support and the rear vehicle rear support along the front-rear direction, the front end of each rear vehicle shock absorber is respectively connected with the corresponding rear vehicle front support through a rear vehicle front rotating pin shaft, the rear end of each rear vehicle shock absorber is respectively connected with the corresponding rear vehicle rear support through a rear vehicle rear rotating pin shaft, and when the rear vehicle front swing arm and the rear vehicle rear swing arm are in the original positions, the rear vehicle shock absorbers are positioned above the corresponding rear swing arm mounting shaft, the rear vehicle front swing arm and the rear vehicle rear swing arm;

swing steering control mechanisms are respectively arranged on the two front swing arms and the two rear swing arms, each swing steering control mechanism respectively comprises a front steering seat, the two front steering seats are respectively fixed on the swing ends of the corresponding front swing arms and the swing ends of the rear swing arms, the outward end face of each front steering seat is provided with a front upper ear plate and a front lower ear plate in parallel, the inner ends of the front upper ear plates and the inner ends of the front lower ear plates are respectively fixedly connected with the front steering seats, the outer sides of the front upper ear plates and the front lower ear plates are respectively provided with a front hub mounting plate, the disc surface of the front hub mounting plate is positioned near the vertical direction, the inward end face of each front hub mounting plate is respectively provided with a front upper rotary disc plate and a front lower rotary disc in parallel, and the outer ends of the front upper rotary disc plate and the front lower rotary disc plate are respectively fixedly connected with the corresponding front hub mounting plates;

one end face of each upper rotary plate is matched with one end face of the corresponding upper lug plate, and the upper rotary plate and the upper lug plate are connected through an upper positioning pin shaft which penetrates through the disc face of the upper rotary plate and the plate face of the upper lug plate respectively; one end face of each lower turntable plate is matched with one end face of the corresponding lower lug plate, the lower turntable plate and the lower lug plate are connected through a lower positioning pin shaft which penetrates through the disc face of the lower turntable plate and the plate face of the lower lug plate respectively, and each lower positioning pin shaft is coaxially arranged with the corresponding upper positioning pin shaft;

the upper turntable plate or the lower turntable plate is fixedly connected with one end of a corresponding steering push-pull arm, the steering push-pull arm extends out of the center of the upper turntable plate or out of the center of the lower turntable plate, the other end of each steering push-pull arm is hinged with the end of a piston rod of a corresponding hydraulic oil cylinder or electric cylinder, and a driving part of the steering driving device can push the corresponding steering push-pull arm to do reciprocating swing motion around an upper positioning pin shaft;

the cylinder body of each hydraulic cylinder or the cylinder body of each electric cylinder is hinged with the corresponding front swing arm of the front vehicle or the rear swing arm of the rear vehicle.

Preferably, the lower end face of the upper turntable plate is attached to the upper end face of the upper lug plate, the upper end face of the lower turntable plate is matched with the lower end face of the lower lug plate, the steering push-pull arm comprises a push-pull rod arranged in the left-right direction, the push-pull rod is arranged above the upper turntable plate, the inner end of the push-pull rod is hinged to a driving portion of the steering driving device, the outer end of the push-pull rod is fixedly connected with the pressing plate through a plurality of rigid connecting rods, and the pressing plate is fixedly connected with the upper turntable plate through fasteners.

Preferably, the plate surface of the upper ear plate and the plate surface of the lower ear plate are respectively located near the horizontal direction, and the upper turntable plate and the lower turntable plate are respectively located near the horizontal direction.

Preferably, the through holes which are arranged on the steering seat and the hub mounting disc and allow the wheel driving shaft to pass through are respectively round holes in the middle of the steering seat and the middle of the hub mounting disc.

Preferably, each through-hole that lets the wheel drive axle pass through is equipped with respectively on the steering seat and the wheel hub mounting disc, every the wheel drive axle passes through universal joint transmission drive power to corresponding wheel respectively.

Preferably, the cross sections of the front swing arm, the front rear swing arm, the rear front swing arm and the rear swing arm are respectively hollow rectangles.

Preferably, the front frame and the rear frame are respectively provided with a storage battery pack.

The utility model discloses an in-process that two automobile body swing arms hinder car with shock attenuation and swing steering control mechanism is using, work as because the ground fluctuation arouses the vibrations of automobile body, jolt, the vibrations effect transmission that causes can be to before the front truck swing arm or before the car after swing arm, then transmit the vibrations effect for the front truck bumper shock absorber through before front truck front support and before the car after support again, thereby weaken the vibrations effect, eliminate, the vibrations impact that can reduce to the preceding frame from this, also be same reason to the back frame, work as because the ground fluctuation arouses the vibrations of automobile body, jolt, the vibrations effect transmission that causes can be to after the back truck swing arm or after the back swing arm on, then rethread back truck front support and back car after support will vibrate the effect and transmit for after car bumper shock absorber, thereby weaken the vibrations effect, eliminate, reducible vibrations impact that causes the back frame from this. Therefore, the utility model discloses a two automobile body swing arms that have shock attenuation and swing steering control mechanism hinder the car more and have the simple structure of vehicle, light in weight, the energy consumption is little, can eliminate well because ground undulation causes the vibrations of automobile body, jolts, lets drive, take the swing arm characteristics that the comfort of the people who hinders the car more is high.

And the utility model provides a swing steering control mechanism is when using, the wheel is installed to usable wheel hub mounting disc, when needing the vehicle to turn to left or right, the accessible turns to drive arrangement's drive division can promote to turn to the push-and-pull arm and encircles last positioning pin axle and make corresponding swing motion, the push-and-pull arm then promotes the upper turntable plate, lower turntable plate 7 and wheel hub mounting disc encircle last positioning pin axle, the synchronous swing motion who corresponds of lower positioning pin axle, thereby let the wheel realize the swing and turn to, avoid the tire because the slip turns to by serious wearing and tearing. Compared with the existing swing arm obstacle crossing vehicle which can only slide and turn to through the speed difference of wheels on two sides, the utility model discloses a double-body swing arm obstacle crossing vehicle with shock absorption and swing steering control mechanism can let the steering efficiency show and improve, and the power for steering is greatly reduced. Therefore, the utility model discloses a two automobile body swing arms hinder car more with shock attenuation and swing steering control mechanism still has and can let the swing arm hinder the car wheel more and can swing and turn to, avoids the tire because the slip turns to by serious wear, and turns to efficiently, turns to with the little characteristics of power loss.

The following description will be made by referring to the drawings, wherein the present invention provides a dual-body swing arm obstacle-surmounting vehicle with shock-absorbing and swing steering control mechanism.

Drawings

FIG. 1 is a front view of a schematic structural view of a dual body swing arm obstacle crossing vehicle with a shock absorbing and swing steering mechanism of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a front elevational view of the front frame portion of FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a side view of FIG. 3;

FIG. 6 is an enlarged partial view of the front support portion of FIG. 5;

FIG. 7 is a front view of the swing steering mechanism of the dual body swing arm obstacle crossing vehicle with shock absorption and swing steering mechanism of the present invention;

FIG. 8 is a side view of FIG. 7;

FIG. 9 is a top view of FIG. 7;

fig. 10 is a partially enlarged view of the right half of fig. 7.

Detailed Description

The utility model discloses the steering control mechanism who increases on the basis of current swing arm formula vehicle can control the wheel swing, makes this kind of vehicle can realize turning to.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the utility model discloses a double-body swing arm obstacle-surmounting vehicle with shock attenuation and swing steering control mechanism, including front frame 20 and rear frame 21, front frame cross member 22 is equipped with along controlling the horizontal direction in the rear end of front frame 20, rear frame cross member 23 is equipped with along controlling the horizontal direction in the front end of rear frame 21, rear frame cross member 23 forward end face is the same with front frame cross member 22 rearward end face, the middle part of rear frame cross member 23 and the middle part of front frame cross member 22 are equipped with the pin shaft hole coaxially respectively, rear frame cross member 23 and front frame cross member 22 are through adopting clearance fit to pass rear frame cross member 23 middle part and front frame cross member 22 middle part pin shaft hole's pivot 24 to link to each other, rear frame cross member 23 and/or front frame cross member 22 can encircle pivot 24;

front swing arm mounting shafts 25 are respectively arranged on the left side and the right side of the middle part of the front frame 20, the inner ends of the front swing arm mounting shafts 25 are rotatably mounted on the front frame 20, the axes of the front swing arm mounting shafts 25 are positioned in the left-right horizontal direction, the outer ends of the two front swing arm mounting shafts 25 are respectively connected with the inner ends of the front swing arms 26 and the inner ends of the front rear swing arms 27, the front swing arms 26 and the front rear swing arms 27 can rotate around the axes of the corresponding front swing arm mounting shafts 25, the two front swing arms 26 extend obliquely towards the front lower part, the two front rear swing arms 27 extend obliquely towards the rear lower part, swinging motions of mutual distance or mutual approach can be carried out between the outer ends of the front swing arms 26 and the outer ends of the front rear swing arms 27 around the axes of the corresponding front swing arm mounting shafts 25, front supports 32 are respectively mounted at the middle parts of the surfaces of the, front vehicle rear supports 29 are respectively arranged in the middle of the upward inclined surfaces of the two front vehicle rear swing arms 27, front vehicle shock absorbers 28 are arranged between the front vehicle front supports 32 and the front vehicle rear supports 29 along the front-rear direction, the front end of each front vehicle shock absorber 28 is respectively connected with the corresponding front vehicle front support 32 through a front vehicle front rotating pin shaft 33, the rear end of each front vehicle shock absorber 28 is respectively connected with the corresponding front vehicle rear support 29 through a front vehicle rear rotating pin shaft 30, and when the front vehicle front swing arm 26 and the front vehicle rear swing arm 27 are in the original position, the front vehicle shock absorbers 28 are positioned above the corresponding front swing arm mounting shafts 25, the front vehicle front swing arm 26 and the front vehicle rear swing arm 27;

the left side and the right side of the middle part of the rear frame 21 are respectively provided with a rear swing arm mounting shaft 35, the inner end of the rear swing arm mounting shaft 35 is rotatably mounted on the rear frame 21, the axis of the rear swing arm mounting shaft 35 is positioned in the left-right horizontal direction, the outer ends of the two rear swing arm mounting shafts 35 are respectively connected with the inner end of a rear front swing arm 36 and the inner end of a rear swing arm 37 in a mounting manner, a rear front swing arm 36 and the rear swing arm 37 can rotate around the axis of the corresponding rear swing arm mounting shaft 35, the two rear front swing arms 36 extend obliquely towards the front lower part, the two rear swing arms 37 extend obliquely towards the rear lower part, the outer ends of the rear front swing arms 36 and the outer ends of the rear swing arms 37 can perform swinging movement which is far away from or close to each other around the axis of the corresponding rear swing arm mounting shaft 35, the middle parts of the surfaces, rear vehicle rear supports 39 are respectively mounted in the middle of the surfaces of the two rear vehicle rear swing arms 37 which incline upwards, rear vehicle shock absorbers 38 are arranged between the rear vehicle front supports 42 and the rear vehicle rear supports 39 along the front-rear direction, the front end of each rear vehicle shock absorber 38 is respectively connected with the corresponding rear vehicle front support 42 through a rear vehicle front rotating pin shaft 31, the rear end of each rear vehicle shock absorber 38 is respectively connected with the corresponding rear vehicle rear support 39 through a rear vehicle rear rotating pin shaft 40, and when the rear vehicle front swing arm 36 and the rear vehicle rear swing arm 37 are in the original position, the rear vehicle shock absorbers 38 are positioned above the corresponding rear swing arm mounting shafts 35, the rear vehicle front swing arm 36 and the rear vehicle rear swing arm 37.

The utility model has the advantages that in the using process of the double-body swing arm obstacle crossing vehicle with the shock absorption and swing steering control mechanism, when the vibration and the jolt of the vehicle body are caused by the ground fluctuation, the vibration effect is transmitted to the front vehicle front swing arm 26 or the front vehicle rear swing arm 27, the shock is then transmitted to the front shock absorber 28 through the front seat 32 and the front rear seat 29, thereby weakening and eliminating the vibration effect, thereby reducing the vibration impact to the front frame 20, the same applies to the rear frame 21, when the vehicle body shakes and bumps due to the rise and fall of the ground, the resulting shaking action is transmitted to the front swing arm 36 or the rear swing arm 37 of the rear vehicle, the shock is then transmitted to the rear shock absorber 38 through the rear front abutment 42 and the rear abutment 39, thereby, the vibration action is weakened and eliminated, and the vibration impact to the rear frame 21 can be reduced. Therefore, the utility model discloses a two automobile body swing arms that have shock attenuation and swing steering control mechanism hinder the car more and have the simple structure of vehicle, light in weight, the energy consumption is little, can eliminate well because ground undulation causes the vibrations of automobile body, jolts, lets drive, take the swing arm characteristics that the comfort of the people who hinders the car more is high.

As shown in fig. 1, 2, 7, 8, 9 and 10, the two front swing arms 26 and the two rear swing arms 37 are respectively provided with a swing steering control mechanism, each swing steering control mechanism respectively comprises a front steering base 1, the two front steering bases 1 are respectively fixed on the swing end of the corresponding front swing arm 26 and the swing end of the rear swing arm 37, the outward end of each front steering base 1 is provided with a front upper ear plate 3 and a front lower ear plate 4 in parallel, the inner end of the front upper ear plate 3 and the inner end of the front lower ear plate 4 are respectively fixedly connected with the front steering base 1, the outer sides of each front upper ear plate 3 and each front lower ear plate 4 are respectively provided with a front hub mounting plate 5, the disc surface of the front hub mounting plate 5 is located near the vertical direction, the inward end of each front hub mounting plate 5 is respectively provided with a front upper hub plate 6 and a front lower hub plate 7 in parallel, the outer end of the front upper turntable plate 6 and the outer end of the front lower turntable plate 7 are respectively fixedly connected with the corresponding front hub mounting disc 5;

one end face of each upper rotary plate 6 is matched with one end face of the corresponding upper lug plate 3, and the upper rotary plate 6 and the upper lug plate 3 are connected with an upper positioning pin shaft 8 of the plate face of the upper lug plate 3 through penetrating through the plate face of the upper rotary plate 6; one end face of each lower turntable plate 7 is matched with one end face of the corresponding lower lug plate 4, the lower turntable plate 7 and the lower lug plate 4 are connected in an installing mode through a lower positioning pin shaft 9 which penetrates through the disc face of the lower turntable plate 7 and the plate face of the lower lug plate 4, and each lower positioning pin shaft 9 is coaxially arranged with the corresponding upper positioning pin shaft 8;

the upper turntable plate 6 or the lower turntable plate 7 is fixedly connected with one end of a corresponding steering push-pull arm 10, the steering push-pull arm 10 extends out of the center of the upper turntable plate 6 or out of the center of the lower turntable plate 7, the other end of each steering push-pull arm 10 is hinged with the end of a piston rod of a corresponding hydraulic oil cylinder 17 or electric cylinder, and a driving part of the steering driving device can push the corresponding steering push-pull arm 10 to do reciprocating swing motion around an upper positioning pin shaft 8;

the cylinder body of each hydraulic oil cylinder 17 or the cylinder body of each electric cylinder is hinged with the corresponding front vehicle front swing arm 26 or the corresponding rear vehicle rear swing arm 37.

Each through hole for the wheel driving shaft 11 to pass through is respectively arranged on the steering seat 1 and the hub mounting disc 5, and each wheel driving shaft 11 transmits driving force to the corresponding wheel 13 through the universal joint 12.

The utility model provides a swing steering control mechanism is when using, usable wheel hub mounting disc 5 installs wheel 13, when needing the vehicle to turn to left or right, the accessible turns to drive arrangement's drive division can promote to turn to push-and-pull arm 10 and encircle last positioning pin axle 8 and make corresponding swing motion, push-and-pull arm 10 then promotes last carousel board 6, lower carousel board 7 and wheel hub mounting disc 5 encircle last positioning pin axle 8, the swing motion that corresponds is done in step to lower positioning pin axle 9, thereby let wheel 13 realize the swing and turn to, avoid the tire to turn to by serious wearing and tearing owing to sliding. Compared with the existing swing arm obstacle crossing vehicle which can only slide and turn to through the speed difference of wheels on two sides, the utility model discloses a double-body swing arm obstacle crossing vehicle with shock absorption and swing steering control mechanism can let the steering efficiency show and improve, and the power for steering is greatly reduced. Therefore, the utility model discloses a two automobile body swing arms hinder car more with shock attenuation and swing steering control mechanism has and can let the swing arm hinder the car wheel more and can swing and turn to, avoids the tire because the steering of sliding is by serious wear, and turns to efficiently, turns to with the little characteristics of power loss.

As a further improvement, the lower end face of the upper turntable plate 6 is attached to the upper end face of the upper lug plate 3, the upper end face of the lower turntable plate 7 is matched with the lower end face of the lower lug plate 4, the steering push-pull arm 10 comprises a push-pull rod 14 arranged along the left-right direction, the push-pull rod 14 is arranged above the upper turntable plate 6, the inner end of the push-pull rod 14 is hinged to a driving portion of a steering driving device, the outer end of the push-pull rod 14 is fixedly connected with a pressing plate 16 through a plurality of rigid connecting rods 15, and the pressing plate 16 is fixedly connected with the upper turntable plate 6 through a fastener.

As a further improvement of the present invention, the above-mentioned upper ear plate 3 and lower ear plate 4 are respectively located near the horizontal direction, and the upper turntable plate 6 and the lower turntable plate 7 are respectively located near the horizontal direction.

As a further improvement, the above-mentioned through-hole that lets wheel drive axle 11 pass through that is equipped with on 1 and the wheel hub mounting disc 5 of steering seat is the round hole that is located 1 middle part of steering seat and 5 middle parts of wheel hub mounting disc respectively.

As a further improvement of the present invention, the cross sections of the front swing arm 26, the front swing arm 27, the rear swing arm 36 and the rear swing arm 37 are hollow rectangles respectively.

As a further improvement of the present invention, the storage battery sets are respectively mounted on the front frame 20 and the rear frame 21.

The utility model discloses a two automobile body swing arms car of hindering more with shock attenuation and swing steering control mechanism is when using, usable wheel hub mounting disc 5 installs wheel 13, when needing the vehicle to turn to left or right, accessible steering drive device's drive division can promote to turn to push-and-pull arm 10 and encircle last positioning pin axle 8 and do corresponding swing motion, push-and-pull arm 10 then promotes last carousel board 6, lower carousel board 7 and wheel hub mounting disc 5 encircle last positioning pin axle 8, the swing motion that corresponds is done in step to lower positioning pin axle 9, thereby let wheel 13 realize the swing and turn to, avoid the tire because the slip turns to by serious wearing and tearing. Compared with the existing swing arm obstacle crossing vehicle which can only slide and turn to through the speed difference of wheels on two sides, the utility model discloses a double-body swing arm obstacle crossing vehicle with shock absorption and swing steering control mechanism can let the steering efficiency show and improve, and the power for steering is greatly reduced. Therefore, the utility model discloses a two automobile body swing arms hinder car more with shock attenuation and swing steering control mechanism has and can let the swing arm hinder the car wheel more and can swing and turn to, avoids the tire because the steering of sliding is by serious wear, and turns to efficiently, turns to with the little characteristics of power loss.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (4)

1. Two car body swing arms hinder car more with shock attenuation and swing steering control mechanism, its characterized in that: the rear frame cross beam assembly comprises a front frame (20) and a rear frame (21), wherein a front frame cross beam (22) is arranged at the rear end of the front frame (20) in the left-right horizontal direction, a rear frame cross beam (23) is arranged at the front end of the rear frame (21) in the left-right horizontal direction, the forward end surface of the rear frame cross beam (23) is attached to the backward end surface of the front frame cross beam (22), pin shaft holes are respectively and coaxially formed in the middle part of the rear frame cross beam (23) and the middle part of the front frame cross beam (22), the rear frame cross beam (23) and the front frame cross beam (22) are connected through a rotating shaft (24) which penetrates through the pin shaft holes in the middle parts of the rear frame cross beam (23) and the front frame cross beam (22) in a clearance fit mode, and the rear frame cross beam (23) and/or the;

the left side and the right side of the middle part of the front frame (20) are respectively provided with a front swing arm mounting shaft (25), the inner ends of the front swing arm mounting shafts (25) are rotatably mounted on the front frame (20), the axes of the front swing arm mounting shafts (25) are positioned in the left horizontal direction and the right horizontal direction, the outer ends of the two front swing arm mounting shafts (25) are respectively connected with the inner ends of the front swing arms (26) and the inner ends of the front rear swing arms (27) in a mounting manner, the front swing arms (26) and the front rear swing arms (27) can rotate around the axes of the corresponding front swing arm mounting shafts (25), the two front swing arms (26) extend obliquely towards the front lower part, the two front rear swing arms (27) extend obliquely towards the rear lower part, the outer ends of the front swing arms (26) and the outer ends of the front rear swing arms (27) can perform swinging motion which is far away from or close to each other around the axes of the corresponding front swing arm mounting shafts (, the middle parts of the surfaces of the two front swing arms (26) which incline upwards are respectively provided with a front support (32), the middle parts of the surfaces of the two front rear swing arms (27) which incline upwards are respectively provided with a front rear support (29), front shock absorbers (28) are arranged between the front supports (32) and the front rear supports (29) along the front-rear direction, the front end of each front shock absorber (28) is respectively connected with the corresponding front support (32) through a front turning pin shaft (33), the rear end of each front shock absorber (28) is respectively connected with the corresponding front rear support (29) through a front turning pin shaft (30), when the front vehicle front swing arm (26) and the front vehicle rear swing arm (27) are in the original positions, the front vehicle shock absorber (28) is positioned above the corresponding front swing arm mounting shaft (25), the front vehicle front swing arm (26) and the front vehicle rear swing arm (27);

the left side and the right side of the middle part of the rear frame (21) are respectively provided with a rear swing arm mounting shaft (35), the inner end of the rear swing arm mounting shaft (35) is rotatably mounted on the rear frame (21), the axis of the rear swing arm mounting shaft (35) is positioned in the left horizontal direction and the right horizontal direction, the outer ends of the two rear swing arm mounting shafts (35) are respectively connected with the inner end of a front rear swing arm (36) and the inner end of a rear swing arm (37), the front rear swing arm (36) and the rear swing arm (37) can rotate around the axis of the corresponding rear swing arm mounting shaft (35), the front rear swing arms (36) extend obliquely towards the front lower part, the rear swing arms (37) extend obliquely towards the rear lower part, the outer ends of the front rear swing arm (36) and the outer end of the rear swing arm (37) can do swinging motion which is far away from or close to each other around the axis of the corresponding rear swing arm mounting shaft (, the middle parts of the surfaces of the two rear vehicle front swing arms (36) which incline upwards are respectively provided with a rear vehicle front support (42), the middle parts of the surfaces of the two rear vehicle rear swing arms (37) which incline upwards are respectively provided with a rear vehicle rear support (39), rear vehicle shock absorbers (38) are arranged between the rear vehicle front support (42) and the rear vehicle rear support (39) along the front-rear direction, the front end of each rear vehicle shock absorber (38) is respectively connected with the corresponding rear vehicle front support (42) through a rear vehicle front rotating pin shaft (31), the rear end of each rear vehicle shock absorber (38) is respectively connected with the corresponding rear vehicle rear support (39) through a rear vehicle rear rotating pin shaft (40), when the front swing arm (36) and the rear swing arm (37) of the rear vehicle are in the original positions, the rear vehicle shock absorber (38) is positioned above the corresponding rear swing arm mounting shaft (35), the front swing arm (36) of the rear vehicle and the rear swing arm (37) of the rear vehicle;

swing steering control mechanisms are respectively arranged on the two front swing arms (26) and the two rear swing arms (37), each swing steering control mechanism respectively comprises a front steering seat (1), the two front steering seats (1) are respectively fixed on the outer end surfaces of the swing ends of the corresponding front swing arms (26) and the rear swing arms (37), a front upper lug plate (3) and a front lower lug plate (4) are respectively arranged on the outer end surfaces of the front steering seats (1) in parallel, the inner end of the front upper lug plate (3) and the inner end of the front lower lug plate (4) are respectively fixedly connected with the front steering seats (1), a front hub mounting disc (5) is respectively arranged on the outer sides of the front upper lug plate (3) and the front lower lug plate (4), the disc surface of the front hub mounting disc (5) is positioned near the vertical direction, a front upper rotary disc (6) and a front lower rotary disc (7) are respectively arranged on the inner end surfaces of the front hub mounting discs (5) in parallel, the outer end of the front upper turntable plate (6) and the outer end of the front lower turntable plate (7) are respectively fixedly connected with the corresponding front hub mounting disc (5);

one end face of each upper turntable plate (6) is matched with one end face of the corresponding upper lug plate (3), and the upper turntable plate (6) and the upper lug plate (3) are connected with an upper positioning pin shaft (8) of the plate face of the upper lug plate (3) in an installing mode through penetrating through the plate face of the upper turntable plate (6) respectively; one end face of each lower turntable plate (7) is matched with one end face of the corresponding lower lug plate (4), the lower turntable plates (7) and the lower lug plates (4) are connected with lower positioning pin shafts (9) of the plate faces of the lower lug plates (4) through penetrating through the plate faces of the lower turntable plates (7), and each lower positioning pin shaft (9) is coaxially arranged with the corresponding upper positioning pin shaft (8);

the upper turntable plate (6) or the lower turntable plate (7) is fixedly connected with one end of a corresponding steering push-pull arm (10), the steering push-pull arm (10) extends out of the center of the upper turntable plate (6) or the center of the lower turntable plate (7), the other end of each steering push-pull arm (10) is hinged with the end of a piston rod of a corresponding hydraulic oil cylinder (17) or electric cylinder, and a driving part of the steering driving device can push the corresponding steering push-pull arm (10) to do reciprocating swing motion around an upper positioning pin shaft (8);

the cylinder body of each hydraulic oil cylinder (17) or the cylinder body of each electric cylinder is hinged with the corresponding front swing arm (26) of the front vehicle or the rear swing arm (37) of the rear vehicle.

2. The dual body swing arm obstacle crossing vehicle with shock absorbing and swing steering operating mechanism of claim 1, wherein: the lower end face of the upper turntable plate (6) is attached to the upper end face of the upper lug plate (3), the upper end face of the lower turntable plate (7) is matched with the lower end face of the lower lug plate (4), the steering push-pull arm (10) comprises a push-pull rod (14) arranged in the left-right direction, the push-pull rod (14) is arranged above the upper turntable plate (6), the inner end of the push-pull rod (14) is hinged to a driving portion of a steering driving device, the outer end of the push-pull rod (14) is fixedly connected with a pressing plate (16) through a plurality of rigid connecting rods (15), and the pressing plate (16) is fixedly connected with the upper turntable plate (6) through fasteners.

3. The dual body swing arm obstacle crossing vehicle with shock absorbing and swing steering operating mechanism of claim 2, wherein: the plate surface of the upper lug plate (3) and the plate surface of the lower lug plate (4) are respectively positioned near the horizontal direction, and the upper rotary plate (6) and the lower rotary plate (7) are respectively positioned near the horizontal direction.

4. The dual body swing arm obstacle crossing vehicle with shock absorbing and swing steering mechanism of claim 3, wherein: the through holes which are arranged on the steering seat (1) and the hub mounting disc (5) and allow the wheel driving shaft (11) to pass through are respectively round holes in the middle of the steering seat (1) and the middle of the hub mounting disc (5).

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