CN213502708U - Anti-toppling frame assembly - Google Patents

Anti-toppling frame assembly Download PDF

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Publication number
CN213502708U
CN213502708U CN202022511343.8U CN202022511343U CN213502708U CN 213502708 U CN213502708 U CN 213502708U CN 202022511343 U CN202022511343 U CN 202022511343U CN 213502708 U CN213502708 U CN 213502708U
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steering
rod
disposed
bearing
frame
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CN202022511343.8U
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Chinese (zh)
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郭光敏
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郭光敏
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Abstract

An anti-toppling frame assembly comprises a main frame, a steering system is arranged in front of the main frame, a rear axle is arranged behind the main frame, the rear axle comprises a long shaft fixedly connected with the main frame, the long shaft is arranged obliquely towards the rear direction, a shaft sleeve which can rotate around the long shaft is arranged outside the long shaft, the upper end and the lower end of the long shaft are provided with limit blocks, the shaft sleeve is arranged between the limiting blocks, the upper end and the lower end of the shaft sleeve are connected with a supporting frame through a plurality of connecting rods, rear wheels are arranged on two sides of the supporting frame, one side of the supporting frame is connected with a torsion bar arranged along the diagonal direction through a ball head bearing, the torsion bar is connected with a steering system, the steering system controls the rotating direction of the front wheel, and the rear wheels and the front wheels are rotated in the opposite directions through the torsion bars, so that safe turning running is realized at a high speed and a high turning angle, and the running and turning stability is improved.

Description

Anti-toppling frame assembly
Technical Field
The application relates to the technical field of vehicles, in particular to an anti-toppling vehicle frame assembly.
Background
With the development of society and the improvement of living standard, the requirements of people on the controllability of transportation and transportation tools are gradually improved. When the automobile turns, due to careless operation or too fast speed, the automobile is easily subjected to the action of inertial centrifugal force, so that the rear wheel at the inner side of the automobile leaves the ground, even the automobile is turned over dangerously, the running safety of the automobile is greatly reduced, and great potential safety hazards exist.
Disclosure of Invention
In order to solve the problems, the application provides an anti-toppling frame assembly which is simple in structure and high in practicability, effectively prevents a vehicle from being turned on one side when the vehicle turns, and is suitable for four-wheel vehicles and three-wheel vehicles.
The technical scheme of the application is as follows:
an anti-toppling frame assembly comprises a main frame, wherein a steering system is arranged in front of the main frame, a rear axle is arranged behind the main frame, the anti-toppling frame assembly is characterized in that the rear axle comprises a long shaft fixedly connected with the main frame, the long shaft is arranged in a backward direction in an inclined mode, a shaft sleeve capable of rotating around the long shaft is arranged outside the long shaft, limiting blocks are arranged at the upper end and the lower end of the long shaft, the shaft sleeve is arranged between the limiting blocks, the upper end and the lower end of the shaft sleeve are connected with a supporting frame through a plurality of connecting rods, rear wheels are arranged on two sides of the supporting frame, one side of the supporting frame is connected with a torsion bar arranged in the diagonal direction through a ball head bearing, the torsion bar is connected with the steering system, the steering system controls the rotation direction.
Furthermore, the steering system comprises a bearing arranged on one side of the front end of the main frame, a fixing rod is arranged on the bearing, the fixing rod is arranged on one side of the support frame in the diagonal direction of the connecting torsion bar, the outermost end of the fixing rod is connected with the torsion bar through a ball head bearing, the innermost end of the fixing rod is connected with the bearing, a vertically arranged first connecting rod is arranged in the bearing, a first ball head bearing is arranged above the first connecting rod, the first ball head bearing is connected with a horizontally arranged second connecting rod, the other end of the second connecting rod is provided with a second ball head bearing, and the second ball head bearing is fixed on a front fork of the fixed front wheel.
Furthermore, the steering system comprises a steering gear connected with the torsion bar, one end of the steering gear, which is not connected with the torsion bar, is connected with a front axle assembly, a steering control mechanism is arranged between the steering gear and the front axle assembly, the front axle assembly comprises a front beam, front wheels are arranged on two sides of the front beam, steering knuckles are arranged in the two front wheels, a tie rod is arranged between the two steering knuckles, and the tie rod is connected with the steering control mechanism.
Furthermore, the steering control mechanism comprises a steering bearing arranged above the main frame, a steering connecting rod with a right-angle included angle is arranged on the steering bearing, a steering ball head bearing connecting torsion bar is arranged at one end of the steering connecting rod, a T-shaped connecting rod is arranged at the other end of the steering connecting rod, and two branches of the T-shaped connecting rod are respectively hinged with a cross pull rod.
Furthermore, the front beam comprises a main beam, the upper end and the lower end of two sides of the main beam are respectively hinged with two support arms, each support arm on any side comprises an upper support arm and a lower support arm, and the other ends of the upper support arm and the lower support arm are respectively hinged with the upper end and the lower end of the steering knuckle.
Furthermore, front shock absorbers are arranged on two sides of the support of the main beam.
Further, the included angle between the long axis and the horizontal line is 55-60 degrees, and specifically is 57 degrees.
Further, the support frame includes lower support bar and last bracing piece, the lower support bar sets up in the axle sleeve below outside through a plurality of dead levers and bushing, the both ends of lower support bar are equipped with two wheel framves, be equipped with the wheel on the wheel frame, go up the bracing piece and set up the inboard top at the axle sleeve, go up the bracing piece and be equipped with the dead lever between the lower support bar, the both ends of going up the bracing piece are equipped with the bumper shock absorber, bracing piece and wheel frame are connected to the bumper shock absorber.
The beneficial effect of this application does:
the frame is simple in structure, low in cost, convenient to operate, strong in practicability, stable in running, safe and reliable; during turning, the torsion bar can enable the front wheels and the rear wheels to rotate relatively in the axial direction by a certain angle, so that the side-tipping force generated during turning is counteracted, the side-tipping of the vehicle is prevented during the driving process, the stability and the driving safety of the whole vehicle are ensured, the safe turning driving is ensured under the condition of higher vehicle speed and turning angle, and the driving turning stability is improved.
Drawings
FIG. 1 is a schematic structural diagram of example 1 of the present application;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present application;
FIG. 3 is a schematic structural view of a steering system according to embodiment 1 of the present application;
fig. 4 is a schematic structural diagram of a rear axle according to the present application.
Fig. 5 is a schematic view of the front beam structure of the present application.
In the figure:
the steering device comprises a main frame 1, a long shaft 2, a shaft sleeve 3, a limiting block 4, a supporting frame 5, a rear wheel 6, a rear axle ball head bearing 7, a torsion bar 8, a bearing 9, a fixing rod 10, a fixing rod ball head bearing 11, a first connecting rod 12, a first ball head bearing 13, a second connecting rod 14, a second ball head bearing 15, a front fork 16, a front wheel 17, a steering gear 18, a front beam 19, a steering knuckle 20, a cross pull rod 21, a steering bearing 22, a steering connecting rod 23, a steering ball head bearing 24, a T-shaped connecting rod 25, a girder 191, an upper support arm 192, a lower support arm 193, a front shock absorber 194, a lower support rod 51, an upper support rod 52, a fixing rod 53, a wheel frame 54 and a shock absorber 55.
Detailed Description
The present application is further described below in conjunction with the detailed description and the accompanying drawings.
An anti-toppling frame assembly comprises a main frame 1, a steering system is arranged in front of the main frame, a rear axle is arranged behind the main frame, and the anti-toppling frame assembly is characterized in that the rear axle comprises a long shaft 2 fixedly connected with the main frame, the long shaft is arranged in a backward direction in an inclined mode, a shaft sleeve 3 capable of rotating around the long shaft 2 is arranged outside the long shaft 2, limiting blocks 4 are arranged at the upper end and the lower end of the long shaft 2, the shaft sleeve 3 is arranged between the limiting blocks 4, the upper end and the lower end of the shaft sleeve 3 are connected with a supporting frame 5 through a plurality of connecting rods, rear wheels 6 are arranged on two sides of the supporting frame 5, one side of the supporting frame 5 is connected with a torsion bar 8 arranged in a diagonal direction through a rear axle ball head bearing 7, the torsion bar 8 is connected with the steering system, the steering system controls the rotating direction of a front.
Example 1
The embodiment is an implementation manner of the present application, and is applied to a tricycle, the steering system includes a bearing 9 disposed on one side of the front end of the main frame 1, a fixing rod 10 is disposed on the bearing 9, the fixing rod 10 is disposed on one side of the supporting frame 5, which is connected to the diagonal direction of the torsion bar 8, the outermost end of the fixing rod 10 is connected to the torsion bar 8 through a fixing rod ball bearing 11, the innermost end of the fixing rod 10 is connected to the bearing 9, a vertically disposed first connecting rod 12 is disposed in the bearing 9, a first ball bearing 13 is disposed above the first connecting rod 12, the first ball bearing 13 is connected to a horizontally disposed second connecting rod 14, the other end of the second connecting rod 14 is disposed with a second ball bearing 15, and the second ball bearing 15 is fixed on a front fork 16 of the fixed front wheel 17.
Example 2
The present embodiment is another embodiment of the present application, and the present embodiment is used for a four-wheel vehicle, the steering system includes a steering gear 18 connected to a torsion bar 8, one end of the steering gear 18 not connected to the torsion bar 8 is connected to a front axle assembly, a steering control mechanism is disposed between the steering gear 18 and the front axle assembly, the front axle assembly includes a front beam 19, front wheels 17 are disposed on two sides of the front beam, steering knuckles 20 are disposed in the two front wheels 17, a tie rod 21 is disposed between the two steering knuckles 20, and the tie rod 21 is connected to the steering control mechanism.
Further, the steering control mechanism comprises a steering bearing 22 arranged above the main frame 1, a steering connecting rod 23 with a right-angle included angle is arranged on the steering bearing 22, a steering ball bearing 24 connected with the torsion bar 8 is arranged at one end of the steering connecting rod 23, a T-shaped connecting rod 25 is arranged at the other end of the steering connecting rod, and two branches of the T-shaped connecting rod 25 are respectively hinged with one tie rod 21.
Further, the front beam 19 includes a main beam 191, the upper and lower ends of the two sides of the main beam 191 are respectively hinged with two support arms, the support arm on either side includes an upper support arm 192 and a lower support arm 193, the other ends of the upper support arm 192 and the lower support arm 193 are respectively hinged with the upper end and the lower end of the steering knuckle 20, the front beam structure is the same as that of a traditional inverted three-wheel front double-fork arm suspension structure, so that the toe change during the wheel jump is adjusted during the vehicle turning process, the inward offset of the vehicle body during the vehicle turning process is kept, and the front beam structure is as traditional.
Further, front shock absorbers 194 are arranged on two sides of the support of the main beam 191.
Further, the included angle between the long shaft 2 and the horizontal line is 55-60 degrees, and specifically is 57 degrees.
Further, the support frame 5 includes a lower support rod 51 and an upper support rod 52, the lower support rod 51 is disposed on the outer side below the shaft sleeve 3 and connected to the shaft sleeve 3 through a plurality of fixing rods 53, two wheel frames 54 are disposed at two ends of the lower support rod 51, wheels are disposed on the wheel frames 54, the upper support rod 52 is disposed on the inner side above the shaft sleeve 3, the fixing rods 53 are disposed between the upper support rod 52 and the lower support rod 51, rear shock absorbers 55 are disposed at two ends of the upper support rod 52, and the rear shock absorbers 55 connect the upper support rod 52 and the wheel frames 54.
In the actual driving and turning process, because the front wheels 17 and the rear wheels 6 can rotate relatively at a certain angle in the axial direction, the change of the body gravity center of a driver or a passenger can lead the rear axle and the front wheels 17 to rotate relatively at a certain angle in the axial direction, namely, the rear wheels incline outwards and the front wheel 17 inclines inwards, so that the heeling force generated in the turning process is offset, the outward side turning of the vehicle in the driving process is prevented, and the stability and the driving safety of the whole vehicle are ensured. After the turning is finished, the main frame 1 and the ground are enabled to be in a normal vertical state under the action of the torsion bar 8.
The above embodiments are merely examples, which are not intended to limit the scope of the present disclosure, and all modifications and equivalents of the structures and equivalent processes that are obvious from the description of the present disclosure, or that may be directly or indirectly applied to other related arts, are intended to be included within the scope of the present disclosure.

Claims (8)

1. An anti-toppling frame assembly comprises a main frame, wherein a steering system is arranged in front of the main frame, a rear axle is arranged behind the main frame, the anti-toppling frame assembly is characterized in that the rear axle comprises a long shaft fixedly connected with the main frame, the long shaft is arranged in a backward direction in an inclined mode, a shaft sleeve capable of rotating around the long shaft is arranged outside the long shaft, limiting blocks are arranged at the upper end and the lower end of the long shaft, the shaft sleeve is arranged between the limiting blocks, the upper end and the lower end of the shaft sleeve are connected with a supporting frame through a plurality of connecting rods, rear wheels are arranged on two sides of the supporting frame, one side of the supporting frame is connected with a torsion bar arranged in the diagonal direction through a ball head bearing, the torsion bar is connected with the steering system, the steering system controls the rotation direction.
2. An anti-toppling frame assembly as claimed in claim 1, wherein the steering system comprises a bearing disposed on one side of the front end of the main frame, the bearing is provided with a fixing rod, the fixing rod is disposed on one side of the support frame, which is connected with the diagonal direction of the torsion bar, the outermost end of the fixing rod is connected with the torsion bar through a ball bearing, the innermost end of the fixing rod is connected with the bearing, the bearing is provided with a first connecting rod disposed vertically, a first ball bearing is disposed above the first connecting rod, the first ball bearing is connected with a second connecting rod disposed horizontally, the other end of the second connecting rod is provided with a second ball bearing, and the second ball bearing is fixed on the front fork of the fixed front wheel.
3. An anti-toppling frame assembly according to claim 1, wherein the steering system comprises a steering gear connected to the torsion bar, a front axle assembly is connected to an end of the steering gear not connected to the torsion bar, a steering control mechanism is provided between the steering gear and the front axle assembly, the front axle assembly comprises a front beam, front wheels are provided on both sides of the front beam, a steering knuckle is provided in each of the front wheels, a tie rod is provided between each of the two steering knuckles, and the tie rod is connected to the steering control mechanism.
4. An anti-toppling frame assembly according to claim 3, wherein the steering control mechanism comprises a steering bearing disposed above the main frame, the steering bearing is provided with a steering connecting rod at a right angle, one end of the steering connecting rod is provided with a steering ball bearing connected with the torsion bar, the other end of the steering connecting rod is provided with a T-shaped connecting rod, and two branches of the T-shaped connecting rod are respectively hinged with a cross rod.
5. An anti-toppling frame assembly according to claim 3, wherein the front beam comprises a main beam, the upper and lower ends of two sides of the main beam are respectively hinged with two support arms, the support arm on either side comprises an upper support arm and a lower support arm, and the other ends of the upper support arm and the lower support arm are respectively hinged with the upper end and the lower end of the steering knuckle.
6. An anti-toppling frame assembly according to claim 5, wherein front shock absorbers are arranged on two sides of the support of the main beam.
7. An anti-toppling frame assembly according to claim 1, wherein the long axis is at an angle of 55-60 °, in particular 57 °, to the horizontal.
8. The anti-toppling frame assembly as claimed in claim 1, wherein the support frame comprises a lower support rod and an upper support rod, the lower support rod is disposed at the outer side below the axle sleeve and connected with the axle sleeve through a plurality of fixing rods, two wheel frames are disposed at two ends of the lower support rod, wheels are disposed on the wheel frames, the upper support rod is disposed at the upper side inside the axle sleeve, the fixing rods are disposed between the upper support rod and the lower support rod, and dampers are disposed at two ends of the upper support rod and connected with the upper support rod and the wheel frames.
CN202022511343.8U 2020-11-04 2020-11-04 Anti-toppling frame assembly Active CN213502708U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022511343.8U CN213502708U (en) 2020-11-04 2020-11-04 Anti-toppling frame assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022511343.8U CN213502708U (en) 2020-11-04 2020-11-04 Anti-toppling frame assembly

Publications (1)

Publication Number Publication Date
CN213502708U true CN213502708U (en) 2021-06-22

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ID=76420274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022511343.8U Active CN213502708U (en) 2020-11-04 2020-11-04 Anti-toppling frame assembly

Country Status (1)

Country Link
CN (1) CN213502708U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113636007A (en) * 2021-08-06 2021-11-12 太仓井泉金属制品有限公司 Four-wheel steering mechanism and application device thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113636007A (en) * 2021-08-06 2021-11-12 太仓井泉金属制品有限公司 Four-wheel steering mechanism and application device thereof

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