CN220447596U

CN220447596U - Rear suspension system of sightseeing vehicle

Info

Publication number: CN220447596U
Application number: CN202321877882.0U
Authority: CN
Inventors: 易春; 曾志敏; 胡英祥; 叶兆明; 左鹏元
Original assignee: Foshan Sulong Investment And Development Co ltd
Current assignee: Foshan Sulong Investment And Development Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-02-06
Anticipated expiration: 2033-07-17

Abstract

The utility model discloses a rear suspension system of a sightseeing vehicle, wherein a vehicle frame is provided with a first beam, a second beam and a mounting rod, the mounting rod is connected with the first beam and the second beam, a bracket arm assembly is used for mounting a rear axle and a spiral spring, a balance assembly is used for stabilizing balance between the first beam and the second beam, and the balance assembly comprises a balance rod and a connecting rod. The utility model provides a rear suspension system of sightseeing vehicle when rear axle or frame receive impact or bear the load, and the frame can be down pressed because of bearing impact, and coil spring produces the deformation, absorbs the kinetic energy of rear axle or frame, converts into coil spring's elastic potential energy, has buffered the impact force that gives frame or automobile body by uneven road surface, has improved the travelling comfort of taking the sightseeing vehicle, and the balance between frame crossbeam and crossbeam can be kept to the balance subassembly that sets up between first crossbeam and second crossbeam, guarantees sightseeing vehicle smooth-going.

Description

Rear suspension system of sightseeing vehicle

Technical Field

The utility model relates to the technical field of sightseeing vehicles, in particular to a rear suspension system of a sightseeing vehicle.

Background

The suspension system is a generic term for all force-transmitting connection devices between the frame of the vehicle and the axles or wheels, and its function is to transmit forces and moments acting between the wheels and the frame, and to buffer the impact forces transmitted to the frame or the body by the uneven road surface and to attenuate the vibrations caused thereby, so as to ensure smooth running of the vehicle.

However, the existing rear suspension of sightseeing vehicles mostly adopts leaf spring suspension for shock absorption, and the balance between a frame cross beam and a cross beam is unstable when the leaf spring suspension is adopted, so that the comfort is poor when the sightseeing vehicle is taken.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a rear suspension system of a sightseeing vehicle, when a rear axle or a vehicle frame is impacted or loaded, the vehicle frame can be pressed downwards due to the impact, the spiral spring generates deformation, the kinetic energy of the rear axle or the vehicle frame is absorbed, the kinetic energy is converted into the elastic potential energy of the spiral spring, the impact force transmitted to the vehicle frame or the vehicle body by an uneven road surface is buffered, the bumping feeling of the sightseeing vehicle is reduced, the comfort of the sightseeing vehicle is improved, and the balance between the vehicle frame cross beam and the cross beam can be kept by the balance component arranged between the first cross beam and the second cross beam, so that the sightseeing vehicle can run smoothly.

A rear suspension system of a sightseeing vehicle according to an embodiment of a first aspect of the present utility model includes:

the vehicle frame is provided with a first cross beam, a second cross beam and a mounting rod, wherein the first cross beam and the second cross beam are parallel to each other, and the mounting rod is vertically connected with the first cross beam and the second cross beam;

the bracket arm assembly is used for installing a rear axle and a spiral spring and comprises a first bracket arm and a second bracket arm, one end of the first bracket arm is rotatably arranged on the first beam, the other end of the first bracket arm is connected with the first beam through the spiral spring, one end of the second bracket arm is rotatably arranged on the second beam, and the other end of the second bracket arm is connected with the second beam through the spiral spring;

the balance component is used for stabilizing balance between the first cross beam and the second cross beam, the balance component comprises a balance rod and a connecting rod, one end of the connecting rod is rotationally connected with the first cross beam, the other end of the connecting rod is rotationally connected with the second bracket arm, one end of the balance rod is rotationally connected with one end of the connecting rod, which is located at the first cross beam, and the other end of the balance rod is rotationally connected with the mounting rod.

The rear suspension system of the sightseeing vehicle has at least the following beneficial effects: the traditional sightseeing vehicle rear suspension system adopts the leaf spring to absorb shock mostly, and the leaf spring hangs the multi-disc steel sheet and passes through U type bolt fastening to be connected with the frame girder at both ends, because the leaf spring is used the multi-disc steel sheet to pile up the use, can not lead to the whole that the leaf spring hung too heavy, the shock attenuation is by rigidity between steel sheet and the steel sheet moreover, leads to the travelling comfort that the leaf spring hung relatively poor. The spring suspension is to use the spring to absorb shock to the elastic element who hangs, because the sensitivity of spring is high, the compliance is better than the steel sheet, the travelling comfort that the spring hung can be higher than the leaf spring and hangs, the spring hangs during operation, rear axle or frame receive impact or bear the load, the frame can be because bearing impact down, coil spring produces the deformation, absorb the kinetic energy of rear axle or frame, the elastic potential energy of coil spring is converted into, the impact force that gives frame or automobile body by uneven road surface has been cushioned, reduce the sense of jolting of taking the sightseeing car, thereby improve the travelling comfort of taking the sightseeing car, the balance between frame crossbeam and crossbeam can be kept to the balance subassembly that sets up between first crossbeam and second crossbeam.

According to some embodiments of the utility model, one end of the balance bar is provided with a groove, the boundary of the groove can be abutted against the mounting bar, two sides of the groove are provided with extension parts, and the balance bar is rotatably connected with the mounting bar through the extension parts.

According to some embodiments of the utility model, the groove width is adapted to the mounting bar width.

According to some embodiments of the utility model, the balance bar cross-sectional shape is C-shaped.

According to some embodiments of the utility model, the mounting bar is provided with a damper, one end of which is rotatably arranged on the mounting bar and the other end of which is rotatably arranged on the bracket assembly.

According to some embodiments of the utility model, the bracket arm assembly is further provided with a buffer disposed between the first bracket arm and the first cross beam and also disposed between the second bracket arm and the second cross beam.

According to some embodiments of the utility model, an abutment is provided below the bumper, the abutment being fixed to the rear axle.

According to some embodiments of the utility model, the cushioning member is a rubber spring.

According to some embodiments of the utility model, the coil springs are disposed at the first beam projection and at the second beam projection.

According to some embodiments of the utility model, a bending reinforcing plate is further arranged between the first beam and the second beam.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic illustration of a rear suspension system of a sightseeing vehicle in accordance with one embodiment of the present utility model;

FIG. 2 is a front view of the rear suspension system of the sightseeing vehicle shown in FIG. 1;

FIG. 3 is a right side view of the rear suspension system of the sightseeing vehicle shown in FIG. 2;

fig. 4 is a schematic view of the balance bar structure shown in fig. 1.

Reference numerals:

the vehicle frame 100, the first cross member 110, the second cross member 120, the mounting bar 130, the bending reinforcement plate 140, the rear axle 200, the coil spring 300, the bracket arm assembly 400, the first bracket arm 410, the second bracket arm 420, the balance assembly 500, the balance bar 510, the connecting rod 520, the damper 600, the cushion 700, and the abutment 710.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The traditional sightseeing vehicle rear suspension system adopts the leaf spring to absorb shock mostly, and the leaf spring hangs the multi-disc steel sheet and passes through U type bolt fastening to be connected with the frame girder at both ends, because the leaf spring is used the multi-disc steel sheet to pile up the use, can not lead to the whole that the leaf spring hung too heavy, the shock attenuation is by rigidity between steel sheet and the steel sheet, so lead to the travelling comfort that the leaf spring hung relatively poor.

To the problem that current sightseeing vehicle exists, this application provides a rear suspension system of sightseeing vehicle, when rear axle or frame receive the impact or bear the load, the frame can be down pressed because bearing the impact, coil spring produces the deformation, absorb the kinetic energy of rear axle or frame, change into coil spring's elastic potential energy, the impact force of giving frame or automobile body by uneven road surface has been cushioned, the spring uses the spring as elastic element to hang, coil spring's compliance is higher than the leaf spring, the automobile uses the spring to hang as the rear suspension and has compared in using the leaf spring to hang greatly the travelling comfort, and the balance between frame crossbeam and the crossbeam can be kept to the balance subassembly that sets up between first crossbeam and second crossbeam, guarantee that the automobile runs smoothly.

Referring to fig. 1 to 4, a rear suspension system of a sightseeing vehicle according to an embodiment of the present utility model includes a frame 100, a bracket assembly 400 and a balance assembly 500. Specifically, the frame 100 is provided with a first cross beam 110, a second cross beam 120 and a mounting rod 130, the first cross beam 110 and the second cross beam 120 are main beams of the frame 100, the first cross beam 110 and the second cross beam 120 are parallel to each other, the mounting rod 130 is fixed on the first cross beam 110 and the second cross beam 120 by vertical welding, the bracket arm assembly 400 comprises a first bracket 410 and a second bracket 420, the bracket arm assembly 400 is used for mounting a rear axle 200 and a spiral spring 300, one end of the first bracket 410 is hinged on the first cross beam 110, the other end of the first bracket 410 is elastically connected with the first cross beam 110 through the spiral spring 300, one end of the first bracket 410 is far away from the first cross beam 110 and is provided with a rear axle 200, the other end of the second bracket 420 is elastically connected with the second cross beam 120 through the spiral spring 300, one end of the second bracket 420 is far away from the second cross beam 120 and is provided with a rear axle 200, the rear axle 200 is erected on the first bracket 410 and the second bracket 420, the balance assembly 500 comprises a balance rod 510 and a connecting rod 520, one end of the connecting rod 520 is hinged on the first cross beam 110, the other end of the connecting rod 520 is rotatably connected with the second bracket 420, and the other end of the connecting rod 510 is rotatably connected with the balance rod 130 at one end of the balance rod 130. It will be appreciated that when the frame 100 is impacted or loaded, the coil springs 300 can deform to absorb the kinetic energy of the rear axle 200 or the frame 100 due to the impact or load, thereby improving the overall comfort of the vehicle while the vehicle is traveling, the balance assembly 500 can increase the balance between the frames 100, and when one side of the frame 100 is impacted, the balance bar 510 and the connecting rod 520 connected between the first and second cross members 110 and 120 can uniformly distribute the impact on one side of the frame 100 to be impacted by both sides of the frame 100, thereby preventing the vehicle from rolling.

It should be noted that, when the rear axle 200 or the frame 100 receives an impact or a load, the coil spring 300 may deform to absorb the impact force transmitted to the frame 100 or the vehicle body by the uneven road surface, and the balancing assembly 500 disposed between the first beam 110 and the second beam 120 may transmit the longitudinal force, the lateral force and the moment thereof, and ensure a certain motion rule of the wheels relative to the frame 100 or the vehicle body, so that the beams of the frame 100 may be balanced and stable, and the vehicle may run smoothly.

Referring to fig. 4, a recess is formed at one end of the balance bar 510, extension portions are formed at both sides of the recess, openings are further formed at both sides of the extension portions, one end of the balance bar 510 is rotatably connected to the mounting bar 130 by bolts passing through the openings and the mounting bar 130, the end of the balance bar 510 far from the extension portion is also provided with the opening, and the other end of the balance bar 510 is hinged to one end of the connecting bar 520 near the first beam 110 through the opening. It can be appreciated that when the balance bar 510 rotates on the mounting bar 130, the rotation angle of the balance bar 510 can be limited within a certain rotation range due to the arrangement of the grooves, and when the rotation range is too large, the boundary of the grooves can abut against the mounting bar 130 to limit.

It should be noted that, the width of the groove is adapted to the width of the mounting rod 130, and the width of the groove just enables the extending portions at two sides of the groove to abut against the mounting rod 130, so as to prevent the balance rod 510 from sliding relative to the mounting rod 130, and also prevent the extending portions of the balance rod 510 from continuously colliding with the mounting rod 130 to generate abnormal sound.

It should be noted that, the cross section of the balance bar 510 is C-shaped, and the balance bar 510 with the C-shaped cross section has better strength and rigidity, and the manufacturing cost is lower because the steel with the C-shaped cross section is lighter.

The mounting rod 130 is provided with a damper 600. Specifically, two dampers 600 are provided, the two dampers 600 are respectively disposed on two sides of the mounting rod 130, one end of the dampers 600 is rotatably disposed on the mounting rod 130, and the other end is rotatably disposed on the first bracket 410 or the second bracket 420. It is understood that the dampers 600 provided at both sides of the mounting rods 130 can alleviate and suppress the shock caused by uneven road surfaces and accelerate the damping of vibrations, limiting the vibrations of the vehicle body and wheels when the vehicle frame 100 is subjected to vertical load.

Referring to fig. 2, the bracket assembly 400 is further provided with a buffer member 700, wherein the buffer member 700 is disposed between the first bracket 410 and the protrusion of the first cross beam 110, and between the second bracket 420 and the protrusion of the second cross beam 120, and an abutment member 710 is disposed below the buffer member 700, and the abutment member 710 is welded and fixed above the rear axle 200, so as to support the buffer member 700, thereby playing an auxiliary role in buffering the shock absorption of the rear axle 200 to the vehicle frame 100. It will be appreciated that when the frame 100 is subjected to a vertical load or impact, the coil spring 300 is pressed to elastically deform, but when the coil spring 300 exceeds the elastic deformation limit, the coil spring 300 loses the elastic deformation capability, and when the coil spring 300 elastically deforms, a part of the load applied to the frame 100 can be effectively borne by the buffer member 700 to prevent the coil spring 300 from exceeding the elastic limit and permanently deforming, so that the service life of the coil spring 300 is prolonged, and the buffer member 700 with different specifications can be replaced according to different actual use road conditions.

The cushioning material 700 is a rubber spring. It will be appreciated that the rubber spring is made of rubber material, and can play a role in shock absorption and buffering, when the rear suspension system works, the coil spring 300 converts impact generated by the road surface into repeated bouncing motion of the spring, the rubber spring buffers and transmits the impact to the whole body of the vehicle, the coil spring 300 of the buffer auxiliary vehicle plays a role in buffering the vehicle, the suspension system can be lifted in the aspect of shock absorption after the buffer member 700 is used, and meanwhile, the noise control of the sightseeing vehicle can be played a certain role.

It should be noted that, the coil spring 300 is disposed at the protruding portion of the first beam 110 and the protruding portion of the second beam 120, and the protruding portion of the first beam 110 and the protruding portion of the second beam 120 can avoid the wheel from being empty, and meanwhile, the coil spring 300 is disposed below the protruding portion, so that the space utilization is increased.

A bending reinforcing plate 140 is further disposed between the first beam 110 and the second beam 120. Specifically, one end of the bending reinforcement plate 140 is welded to the first beam 110, and the other end is welded to the second beam 120, and the bending reinforcement plate 140 can increase rigidity and strength between the first beam 110 and the second beam 120.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A rear suspension system for a sightseeing vehicle, comprising:

2. The rear suspension system of the sightseeing vehicle according to claim 1, wherein one end of the balance bar is provided with a groove, the boundary of the groove can be abutted against the mounting bar, two sides of the groove are provided with extension parts, and the balance bar is rotatably connected with the mounting bar through the extension parts.

3. The rear suspension system of a sightseeing vehicle according to claim 2, wherein the groove width is adapted to the mounting bar width.

4. The rear suspension system of a sightseeing vehicle according to claim 1, wherein the balance bar has a C-shaped cross-sectional shape.

5. The rear suspension system of a sightseeing vehicle according to claim 1, wherein the mounting bar is provided with a damper, one end of which is rotatably provided to the mounting bar, and the other end of which is rotatably provided to the bracket assembly.

6. The rear suspension system of a sightseeing vehicle according to claim 1, wherein the bracket assembly is further provided with a buffer member disposed between the first bracket and the first cross member and between the second bracket and the second cross member.

7. The rear suspension system of the sightseeing vehicle according to claim 6, wherein an abutting member is provided below the buffer member, and the abutting member is fixed to the rear axle.

8. The rear suspension system of a sightseeing vehicle according to claim 6, wherein the buffer member is a rubber spring.

9. The rear suspension system of a sightseeing vehicle according to claim 1, wherein the coil spring is provided at the first beam projection and the second beam projection.

10. The rear suspension system of a sightseeing vehicle according to claim 1, wherein a bending reinforcing plate is further provided between the first beam and the second beam.