CN210592138U - Four-wheel automobile main body frame structure - Google Patents
Four-wheel automobile main body frame structure Download PDFInfo
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- CN210592138U CN210592138U CN201921391471.4U CN201921391471U CN210592138U CN 210592138 U CN210592138 U CN 210592138U CN 201921391471 U CN201921391471 U CN 201921391471U CN 210592138 U CN210592138 U CN 210592138U
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- body frame
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Abstract
The utility model relates to a four-wheel automobile frame construction technical field discloses a four-wheel automobile main body frame construction, including main frame, preceding swing arm and back swing arm, the front side of main frame with preceding swing arm rotation is connected, its rear side with back swing arm rotation is connected, the both ends of preceding swing arm are connected with the front driving wheel respectively, the both ends of back swing arm are connected with the back driving wheel respectively; a limiting device is further arranged between the rear swing arm and the main frame and used for limiting the rotation angle of the rear swing arm; the main body frame structure is formed by only using simple steel frames, is simple to assemble and can adapt to uneven road surfaces or sloping fields.
Description
Technical Field
The utility model relates to a four-wheel car frame construction technical field, concretely relates to four-wheel car main part frame construction.
Background
The existing four-wheel automobile is more and more humanized in design, mainly takes engine driving as a main part, has a more complex automobile body structure and needs to be matched with a more complex engine, a sensor, a vehicle-mounted computer, a gyroscope and other equipment; moreover, the automobile can only pass through a flat road and a mountain road with a small gradient. And the vehicle is difficult to run and even easy to turn over in complex terrains such as mountains, farmlands, wastelands and the like with large gradient.
At present, four-wheel drive automobiles suitable for all terrain are still few, and the stability is relatively low; to solve this problem, a relatively complicated frame structure is adopted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a four-wheel automobile main body frame structure, this main body frame structure only uses simple steelframe to constitute, assembles simply, can adapt to unsmooth road surface or sloping ground.
In order to achieve the above object, the present invention provides the following technical solutions:
a four-wheel automobile main body frame structure comprises a main frame, a front swing arm and a rear swing arm, wherein the front side of the main frame is rotatably connected with the front swing arm, the rear side of the main frame is rotatably connected with the rear swing arm, two ends of the front swing arm are respectively connected with a front driving wheel, and two ends of the rear swing arm are respectively connected with a rear driving wheel; and a limiting device is further arranged between the rear swing arm and the main frame and used for limiting the rotation angle of the rear swing arm.
The utility model discloses in, preferably, the main frame includes two U shaped steel framves, two the U shaped steel frame corresponds both ends and all passes through steel pipe welded fastening, and its front side has first dead lever through the bolt fastening, and its rear side has the second dead lever through the bolt fastening.
The utility model discloses in, it is preferred, be equipped with first pivot in the first dead lever, first pivot runs through the front swing arm, the front swing arm can wind first pivot is rotated.
The utility model discloses in, it is preferred, be equipped with the second pivot in the second dead lever, the second pivot runs through back swing arm, back swing arm can wind the second pivot is rotated.
In the present invention, preferably, the limiting device includes a mounting seat, a baffle, and at least two first shock absorbing rods; the mounting seat is fixedly connected with the rear swing arm, the second rotating shaft sequentially penetrates through the mounting seat and the rear swing arm, and the mounting seat and the rear swing arm can rotate around the second rotating shaft; the baffle welding with on the mount pad, just the baffle towards second dead lever one side is installed first shock attenuation pole, the first shock attenuation pole other end passes through the bolt fastening extremely on the second dead lever.
The utility model discloses in, it is preferred, damping spring is located to first shock attenuation pole upper cover.
The present invention provides a vehicle wheel assembly, which comprises a front driving wheel and a rear driving wheel, wherein the front driving wheel and the rear driving wheel are connected with a wheel frame, the wheel frame comprises a first rotating arm and a second rotating arm, the first rotating arm is connected with a front swing arm or a rear swing arm in a rotating manner, the first rotating arm is connected with the second rotating arm in a rotating manner, and the second rotating arm is connected with one end of the first rotating arm in a respectively connecting manner.
In the present invention, preferably, a second damping rod is connected between the first rotating arm and the main frame.
In the present invention, preferably, the bottom of the main frame is provided with a gravity center adjusting device.
The utility model discloses in, it is preferred, focus adjusting device includes chassis, bearing plate and a plurality of telescopic machanism, the chassis pass through the bolt fastening extremely on the main frame, be equipped with the slide on the chassis, the bearing plate be equipped with the spout that the slide matches, the bearing plate slides and locates on the slide, telescopic machanism fixed mounting in on the chassis, its output with bearing plate fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a four-wheel automobile main body frame structure only uses simple steelframe to constitute, assembles simply, can adapt to unsmooth road surface or sloping ground, and the four-wheel electric automobile who adopts this main body frame structure preparation does not have those complicated engines, sensors, on-vehicle computer and equipments such as gyroscope in the gasoline drive car, and overall structure links through mechanical structure to the fine equilibrium of automobile body has been guaranteed.
Drawings
Fig. 1 is a schematic structural view of a four-wheel vehicle main body frame structure according to the present embodiment.
Fig. 2 is a right side view of a four-wheel vehicle main body frame structure according to the present embodiment.
Fig. 3 is a front view of a four-wheel vehicle body frame structure according to the present embodiment.
Fig. 4 is a plan view of a four-wheel vehicle body frame structure according to the present embodiment.
Fig. 5 is a bottom view of a four-wheel vehicle body frame structure according to the present embodiment.
Fig. 6 is a schematic structural view of a rear swing arm and rear drive wheels in a main frame structure of a four-wheel vehicle according to the present embodiment.
Fig. 7 is a schematic structural view of a rear swing arm and a limiting device in a main frame structure of a four-wheel vehicle according to the embodiment.
Fig. 8 is a schematic structural view of a center of gravity adjusting device in a four-wheel vehicle body frame structure according to the present embodiment.
In the drawings: 1-a main frame, 11-a U-shaped steel frame, 12-a first fixing rod, 13-a second fixing rod, 14-a first rotating shaft, 15-a second rotating shaft, 2-a front swing arm, 3-a rear swing arm, 4-a front driving wheel, 5-a rear driving wheel, 6-a limiting device, 61-a mounting seat, 62-a baffle, 63-a first damping rod, 64-a damping spring, 7-a wheel frame, 71-a first rotating arm, 72-a second rotating arm, 8-a second damping rod, 9-a gravity center adjusting device, 91-a chassis, 911-a slideway, 92-a bearing disc, 921-a sliding groove and 93-a telescopic mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 8, a preferred embodiment of the present invention provides a four-wheel vehicle main frame structure, including a main frame 1, a front swing arm 2 and a rear swing arm 3, wherein the front side of the main frame 1 is rotatably connected to the front swing arm 2, the rear side of the main frame is rotatably connected to the rear swing arm 3, two ends of the front swing arm 2 are respectively connected to a front driving wheel 4, two ends of the rear swing arm 3 are respectively connected to a rear driving wheel 5, and wheel hub motors are respectively disposed in the front driving wheel 4 and the rear driving wheel 5, which is a prior art, and the type of the wheel hub motor can be selected according to actual conditions, so detailed description is not repeated; a limiting device 6 is further arranged between the rear swing arm 3 and the main frame 1 and used for limiting the rotation angle of the rear swing arm 3; when the four-wheel automobile runs on a rugged road surface, one of the rear driving wheels 5 runs on a high slope, the swing amplitude of the rear swing arm 3 is too large, the wheel return of the rear driving wheel 5 is difficult, and even the wheel frame of the rear driving wheel 5 is bent in a transition way, so that the situation of damage is caused; therefore, a limiting device is added on the main frame structure of the four-wheel automobile to limit the rotation angle of the rear swing arm 3.
In this embodiment, the main frame 1 includes two U-shaped steel frames 11, two corresponding ends of the two U-shaped steel frames 11 are fixed by welding through steel pipes, and a first fixing rod 12 is fixed on the front side of the U-shaped steel frames by bolts, and a second fixing rod 13 is fixed on the rear side of the U-shaped steel frames by bolts.
In this embodiment, a first rotating shaft 14 is disposed in the first fixing rod 12, the first rotating shaft 14 penetrates through the front swing arm 2, and the front swing arm 2 can rotate around the first rotating shaft 14.
In this embodiment, a second rotating shaft 15 is disposed in the second fixing rod 13, the second rotating shaft 15 penetrates through the rear swing arm 3, and the rear swing arm 3 can rotate around the second rotating shaft 15. The first rotating shaft 14 and the second rotating shaft 15 are coaxially arranged, so that the front swing arm 2 and the rear swing arm 3 can coaxially swing, and the stability is high.
In the present embodiment, the limiting device 6 includes a mounting seat 61, a baffle 62, and at least two first shock absorbing rods 63; the mounting seat 61 is fixedly connected with the rear swing arm 3, the second rotating shaft 15 sequentially penetrates through the mounting seat 61 and the rear swing arm 3, and the mounting seat 61 and the rear swing arm 3 can rotate around the second rotating shaft 15; the baffle plate 62 is welded to the mounting seat 61, the first damping rod 63 is mounted on one side of the baffle plate 62 facing the second fixing rod 13, the other end of the first damping rod 63 is fixed to the second fixing rod 13 through a bolt, the first damping rod 63 is a hydraulic damper which is a damper commonly used in the conventional vehicle damping, the specific structure of the hydraulic damper is not described in detail, and the specific selection type of the hydraulic damper can be determined according to the actual use requirement; when the four-wheel automobile runs on a rough road surface or a sloping field, the wheel frame of the rear driving wheel 5 on one side is opened outwards, the rear swing arm 3 can rotate around the second rotating shaft 15, and the mounting seat 61 rotates along with the rear swing arm 3, so that the first damping rod 63 is squeezed or pulled up, and the acting force of the rear swing arm 3 in a balanced state is restored; when the first shock absorption rod 63 is extruded or pulled to the maximum, the rear swing arm 3 is in the maximum rotation limit, so that the rotation angle of the rear swing arm 3 is limited, the situation that the swing amplitude of the rear swing arm 3 is too large, the wheel return of the rear driving wheel 5 is difficult, and even the wheel frame of the rear driving wheel 5 is bent in a transition mode, and the damage is caused is avoided.
In this embodiment, the first damping rod 63 is sleeved with a damping spring 64, and the damping spring 64 is used to assist the first damping rod 63 in stretching the rear swing arm 3, so that the rear swing arm 3 returns to a balanced state under the action of the first damping rod 63 and the damping spring 64.
In the present embodiment, a wheel frame 7 is connected to both the front driving wheel 4 and the rear driving wheel 5, the wheel frame 7 includes a first rotating arm 71 and a second rotating arm 72, the first rotating arm 71 is rotatably connected to the front swing arm 2 or the rear swing arm 3, the first rotating arm 71 is rotatably connected to the second rotating arm 72, and one end of the second rotating arm 72 away from the first rotating arm 71 is connected to the front driving wheel 4 or the rear driving wheel 5; the arrangement of the first rotating arm 71 and the second rotating arm 72 enables the front driving wheel 4 and the rear driving wheel 5 to move in the direction vertical to the vehicle body and in the height direction, so that the four wheels can run on uneven slopes, the vehicle body is kept horizontal under the action of gravity, and the influence of the road surface on a driver when the driver drives the vehicle is reduced.
In the present embodiment, a second shock absorbing rod 8 is connected between the first rotating arm 71 and the main frame 1, and a hydraulic shock absorber, which is a shock absorber commonly used in the existing vehicle shock absorbing, is also used as the second shock absorbing rod 8, and the specific structure thereof is not described in detail, and the specific type thereof can be determined according to the actual use requirement; the use of the second damper lever 8 controls the opening and closing angle of the first pivot arm 71 and performs a stretching action on the first pivot arm 71 so that the first pivot arm 71 is restored to the equilibrium state by the second damper lever 8.
In this embodiment, the center of gravity adjusting device 9 is arranged at the bottom of the main frame 1, and the center of gravity adjusting device 9 can adjust the center of gravity of the chassis of the automobile body, so that the stability of the automobile body is ensured, the gravity of the automobile body is increased, the automobile body is kept horizontal under the action of gravity when the automobile runs on a rugged sloping field, and the influence of the road surface on the driver is reduced when the driver drives the automobile.
In this embodiment, the center of gravity adjusting device 9 includes chassis 91, bearing disc 92 and a plurality of telescopic machanism 93, chassis 91 pass through the bolt fastening extremely on the main frame 1, be equipped with slide 911 on the chassis 91, bearing disc 92 be equipped with the spout 921 that slide 911 matches, bearing disc 92 slides and locates on the slide 911, telescopic machanism 93 fixed mounting in on the chassis 91, its output with bearing disc 92 fixed connection, the gravity of bearing disc 92 can be selected according to actual conditions, telescopic machanism 93 adopts current electric putter, and electric putter is one kind and changes the rotary motion of motor into the electric drive device of the straight reciprocating motion of push rod, and telescopic machanism 93 during operation can drive bearing disc 92 and move on slide 911 to adjust the center of gravity of whole automobile body.
The installation step:
1. two ends of each of the two groups of U-shaped steel frames 11 are welded and fixed through steel pipes, a first fixing rod 12 and a second fixing rod 13 are fixedly installed through bolts, a first rotating shaft 14 and a second rotating shaft 15 are coaxially arranged, coaxial swinging of the front swing arm 2 and the rear swing arm 3 can be guaranteed, and stability is high; a first rotating shaft 14 is arranged on the first fixing rod 12 and penetrates through the front swing arm 2, so that the front swing arm 2 can rotate around the first rotating shaft 14; the second rotating shaft 15 sequentially penetrates through the mounting seat 61 and the rear swing arm 3, the mounting seat 61 and the rear swing arm 3 can rotate around the second rotating shaft 15, one end of the first damping rod 63 is mounted on the baffle 62, the other end of the first damping rod 63 is fixedly mounted on the second fixing rod 13 through a bolt, and the damping spring 64 is sleeved on the first damping rod 63 and abuts between the baffle 62 and the second fixing rod 13;
2. then, two ends of the front swing arm 2 are respectively connected with a front driving wheel 4, and two ends of the rear swing arm 3 are respectively connected with a rear driving wheel 5; when the four-wheel automobile runs on a rough road surface or a sloping field, the wheel frame of the rear driving wheel 5 on one side is opened outwards, the rear swing arm 3 can rotate around the second rotating shaft 15, the mounting seat 61 rotates along with the rear swing arm 3, and therefore the first shock absorption rod 63 is squeezed or pulled up, and acting force of a balance state is restored to the rear swing arm 3; when the first shock absorption rod 63 is extruded or pulled to the maximum limit, the rear swing arm 3 rotates to the maximum limit, so that the rotation angle of the rear swing arm 3 is limited, the situation that the swing amplitude of the rear swing arm 3 is too large, the wheel return of the rear driving wheel 5 is difficult, and even the wheel frame of the rear driving wheel 5 is bent in a transition way, so that the damage is caused is avoided; meanwhile, the use of the second damping rod 8 controls the opening and closing angle of the first rotating arm 71 and stretches the first rotating arm 71, so that the first rotating arm 71 returns to a balanced state under the action of the second damping rod 8;
3. when the automobile is in a downhill state or an uphill state, the telescopic mechanism 93 can drive the bearing plate 92 to move on the slide 911 when working, so as to adjust the center of gravity of the whole automobile body and ensure the balance and stability of the automobile body.
The four-wheel automobile main frame structure is formed by only using simple steel frames, is simple to assemble and can adapt to uneven road surfaces or sloping fields, the four-wheel electric automobile prepared by adopting the main frame structure does not have devices such as complex engines, sensors, vehicle-mounted computers, gyroscopes and the like in gasoline-driven automobiles, the whole structure is linked through a mechanical structure, and the good balance of an automobile body is ensured.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. A four-wheel automobile main body frame structure is characterized by comprising a main frame (1), a front swing arm (2) and a rear swing arm (3), wherein the front side of the main frame (1) is rotatably connected with the front swing arm (2), the rear side of the main frame is rotatably connected with the rear swing arm (3), two ends of the front swing arm (2) are respectively connected with a front driving wheel (4), and two ends of the rear swing arm (3) are respectively connected with a rear driving wheel (5); and a limiting device (6) is further arranged between the rear swing arm (3) and the main frame (1) and used for limiting the rotation angle of the rear swing arm (3).
2. The main frame structure of a four-wheeled vehicle as claimed in claim 1, wherein said main frame (1) comprises two U-shaped steel frames (11), the two U-shaped steel frames (11) are welded and fixed at their respective ends by steel pipes, and a first fixing rod (12) is fixed at the front side by bolts and a second fixing rod (13) is fixed at the rear side by bolts.
3. The four-wheel vehicle main body frame structure according to claim 2, wherein a first rotating shaft (14) is arranged in the first fixing rod (12), the first rotating shaft (14) penetrates through the front swing arm (2), and the front swing arm (2) can rotate around the first rotating shaft (14).
4. The four-wheel vehicle main body frame structure according to claim 2, wherein a second rotating shaft (15) is arranged in the second fixing rod (13), the second rotating shaft (15) penetrates through the rear swing arm (3), and the rear swing arm (3) can rotate around the second rotating shaft (15).
5. A four-wheel vehicle body frame structure according to claim 4, wherein said limiting device (6) comprises a mounting seat (61), a baffle plate (62), and at least two first shock-absorbing rods (63); the mounting seat (61) is fixedly connected with the rear swing arm (3), the second rotating shaft (15) sequentially penetrates through the mounting seat (61) and the rear swing arm (3), and the mounting seat (61) and the rear swing arm (3) can rotate around the second rotating shaft (15); baffle (62) welding with on mount pad (61), just baffle (62) face second dead lever (13) one side is installed first shock attenuation pole (63), first shock attenuation pole (63) other end pass through the bolt fastening extremely on second dead lever (13).
6. The four-wheel vehicle main body frame structure according to claim 5, wherein the first shock absorption rod (63) is sleeved with a shock absorption spring (64).
7. The four-wheel vehicle main body frame structure according to claim 1, wherein a wheel frame (7) is connected to each of the front driving wheel (4) and the rear driving wheel (5), the wheel frame (7) comprises a first rotating arm (71) and a second rotating arm (72), the first rotating arm (71) is rotatably connected to the front swing arm (2) or the rear swing arm (3), the first rotating arm (71) is rotatably connected to the second rotating arm (72), and one end of the second rotating arm (72) away from the first rotating arm (71) is respectively connected to the front driving wheel (4) or the rear driving wheel (5).
8. The four-wheel vehicle body frame structure according to claim 7, wherein a second shock absorbing rod (8) is connected between the first swing arm (71) and the main frame (1).
9. A four-wheel vehicle main body frame structure according to claim 1, wherein the main frame (1) is provided at the bottom with a center of gravity adjusting means (9).
10. The four-wheel automobile main body frame structure according to claim 9, wherein the gravity center adjusting device (9) comprises a chassis (91), a bearing plate (92) and a plurality of telescopic mechanisms (93), the chassis (91) is fixed on the main frame (1) through bolts, a slide way (911) is arranged on the chassis (91), the bearing plate (92) is provided with a slide way (921) matched with the slide way (911), the bearing plate (92) is arranged on the slide way (911) in a sliding manner, the telescopic mechanisms (93) are fixedly arranged on the chassis (91), and the output end of the telescopic mechanisms is fixedly connected with the bearing plate (92).
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CN201921391471.4U CN210592138U (en) | 2019-08-26 | 2019-08-26 | Four-wheel automobile main body frame structure |
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CN201921391471.4U CN210592138U (en) | 2019-08-26 | 2019-08-26 | Four-wheel automobile main body frame structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110435768A (en) * | 2019-08-26 | 2019-11-12 | 艺威(天津)汽车科技有限公司 | A kind of four-wheel automobile main frame structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110435768A (en) * | 2019-08-26 | 2019-11-12 | 艺威(天津)汽车科技有限公司 | A kind of four-wheel automobile main frame structure |
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