Chassis driving device of crawler-type all-terrain vehicle
By introducing damping and adjustment components into the drive unit of the tracked all-terrain vehicle chassis, the problems of unstable driving and loose tracks in tracked all-terrain vehicles have been solved, improving the stability and smoothness of the vehicle.
Patent Information
- Application Number
- CN202520424741.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing tracked all-terrain vehicles have poor stability when driving, and the tracks are prone to loosening, resulting in unstable driving, especially in complex road conditions where the tracks have insufficient traction with the ground.
A tracked all-terrain vehicle chassis drive device was designed, including a damping component and an adjustment component. The damping component improves the adhesion between the track and the ground through spring shock absorbers and transmission plates, while the adjustment component ensures that the track chain links are secure and prevents loosening through guide wheels and mud scrapers.
It improves the driving stability and smoothness of tracked all-terrain vehicles, reduces vibration frequency, ensures good adhesion between track links and the ground, and prevents track loosening and mud adhesion from affecting normal use.
Smart Images
Figure CN223721036U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to all terrain vehicle technical field, concretely relates to a crawler all terrain vehicle chassis drive arrangement. BACKGROUND
[0002] The heavy amphibious emergency rescue equipment is a full terrain, all-weather amphibious multifunctional vehicle. Due to the poor working environment, the chassis components are often in a heavy load impact environment. The key component driving wheel assembly is often impacted under the action of tension. With the increase of load, power and other parameters, the strength problem of the structural design directly affects the safety of vehicle operation.
[0003] At present, the existing crawler all terrain vehicle is complex in driving road conditions, so that the adhesion ability of the crawler and the ground is poor when the all terrain vehicle drives, the stability is poor and the amplitude is too large when the all terrain vehicle drives, the stability of the all terrain vehicle is difficult to guarantee, and the crawler is prone to looseness when the all terrain vehicle drives, so that the stability of the crawler all terrain vehicle is difficult to guarantee.
[0004] Therefore, a crawler all terrain vehicle chassis drive arrangement is needed to solve the problems of poor driving stability of the all terrain vehicle and easy looseness of the crawler in the prior art. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a crawler all terrain vehicle chassis drive arrangement to solve the problems in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a crawler all terrain vehicle chassis drive arrangement, comprising an all terrain vehicle body, further comprising
[0007] Two driving wheels, two driving wheels are symmetrically arranged on one side of the all terrain vehicle body, two symmetrically arranged crawler chain rings are arranged on one side of the all terrain vehicle body, the driving wheel is meshed and connected with the crawler chain ring;
[0008] Two support frames, two support frames are symmetrically arranged on one side of the all terrain vehicle body, the support frame is located in the crawler chain ring, a plurality of supporting wheels are arranged on one side of the support frame, one side of the supporting wheel is in contact with one side of the crawler chain ring, a damping assembly matched with the supporting wheel is arranged on one side of the support frame;
[0009] Two guide wheels, two guide wheels are arranged on one side of the support frame, and an adjusting assembly matched with the guide wheel is arranged on one side of the support frame.
[0010] It should be noted in the scheme that the damping assembly comprises
[0011] Multiple rotating rods, multiple rotating rods are equidistantly distributed and are rotatably connected with one side wall of the support frame, the outer surface of the rotating rod is tightly sleeved with a transmission plate, and the support wheel is rotatably connected with one side wall of the transmission plate;
[0012] Multiple rod bodies a, multiple rod bodies a are equidistantly distributed and are rotatably connected with one side wall of the support frame, the outer surface of the rod body a is rotatably connected with a spring shock absorber, one side wall of the transmission plate is rotatably connected with a rod body b, and the other end of the spring shock absorber is rotatably connected with the outer surface of the rod body b.
[0013] Further, the adjusting assembly comprises
[0014] A protective shell is fixed to the inner side wall of the support frame, the inner side wall of the protective shell is fixed with a gas cylinder, the output end of the gas cylinder is fixed with an additional plate, and two guide wheels are rotatably connected with one side wall of the additional plate.
[0015] An installation rod is rotatably connected with one side wall of the support frame, the outer surface of the installation rod is tightly sleeved with two symmetrical mud scraping plates, and one side of the mud scraping plate is in contact with the outer surface of the support wheel.
[0016] Two connecting rings are tightly sleeved on the outer surface of the installation rod in a symmetrical distribution, a torsion spring is sleeved on the outer surface of the installation rod, and the two ends of the torsion spring are respectively fixed with the side walls adjacent to the two connecting rings.
[0017] Further, the inner side wall of the support frame is fixed with two symmetrical protective sleeves, the installation rod is located in the protective sleeve, and the central axis of the protective sleeve is arranged in a collinear manner with the central axis of the installation rod.
[0018] As a preferred embodiment, one side of the mud scraping plate is provided with an inverted chamfered slope, and the number of the guide wheels is less than that of the support wheels.
[0019] As a preferred embodiment, a bearing groove is formed in one side wall of the support frame, the guide wheel is located in the bearing groove, and the outer surface of the guide wheel is in contact with one side of the track link.
[0020] Compared with the prior art, the track type all-terrain vehicle chassis driving device provided by the utility model has at least the following beneficial effects:
[0021] (1) through the setting of the shock absorbing assembly, can increase the adhesion of track link and the ground, the problem of tilt and vibration occurred when the all terrain vehicle body driving can be greatly reduced, and in the undulating road can obtain good ground adhesion, make the vibration frequency of all terrain vehicle body driving can be reduced, ensure the smooth performance of all terrain vehicle driving is better improved, in turn to enhance the stability when driving.
[0022] (2) through the setting of the adjusting assembly, can adjust the position of the guide wheel according to the actual demand situation, can ensure that the guide wheel is always in the state of adhesion with the track link, in turn can effectively improve the stability of all terrain vehicle body when driving, avoid the loose track link affect the normal driving situation appears, cooperate with the setting of the mud scraper and torsion spring, the mud on the surface of the support wheel is scraped by the mud scraper, thereby preventing the adhesion of mud on the support wheel from affecting the normal use. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 the overall structure of the utility model is shown in the figure;
[0024] Figure 2 the local side structure of the utility model is shown in the figure;
[0025] Figure 3 the track structure of the utility model is shown in the figure;
[0026] Figure 4 the protective sleeve structure of the utility model is shown in the figure.
[0027] In the figure: 1, all terrain vehicle body;2, drive wheel;3, track link;4, support frame;5, support wheel;6, shock absorbing assembly;61, rotating rod;62, transmission plate;63, rod body a;64, spring shock absorber;65, rod body b;7, guide wheel;8, adjusting assembly;81, protective shell;82, air cylinder;83, additional plate;84, mounting rod;85, mud scraper;86, connecting ring;87, torsion spring;9, protective sleeve;10, bearing groove. DETAILED DESCRIPTION
[0028] The utility model is further described below in combination with examples.
[0029] Please refer to Figures 1-4The utility model provides a kind of tracked all-terrain vehicle chassis driving device, including all-terrain vehicle body 1, still including two drive wheels 2, two drive wheels 2 are symmetrically distributed and are set to one side of all-terrain vehicle body 1, and one side of all-terrain vehicle body 1 is provided with two symmetrically distributed track links 3, drive wheel 2 and track link 3, drive wheel 2 and track link 3 are engaged connection;Two support frames 4, two support frames 4 are symmetrically distributed and are fixed to one side of the sidewall of all-terrain vehicle body 1, support frame 4 is located inside track link 3, and support frame 4 one side is provided with multiple support wheels 5, and support wheel 5 one side is in contact with one side of track link 3, and support frame 4 one side is provided with the shock-absorbing assembly 6 matched with support wheel 5;Two guide wheels 7, two guide wheels 7 are set to one side of support frame 4, and support frame 4 one side is provided with the adjusting assembly 8 matched with guide wheel 7.
[0030] Further as Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Indicated, it is worth specifically explained that shock-absorbing assembly 6 includes multiple rotating rods 61, and multiple rotating rods 61 are equidistantly distributed and are rotatably connected with the sidewall of support frame 4, and transmission plate 62 is tightly sleeved on the outer surface of rotating rod 61, and support wheel 5 is rotatably connected with the sidewall of transmission plate 62;Multiple rod bodies a 63, multiple rod bodies a 63 are equidistantly distributed and are rotatably connected with the sidewall of support frame 4, and spring shock absorber 64 is rotatably connected with the outer surface of rod body a 63, and rod body b 65 is rotatably connected with the sidewall of transmission plate 62, and the other end of spring shock absorber 64 is rotatably connected with the outer surface of rod body b 65;
[0031] It needs to be explained that, by the setting of shock-absorbing assembly 6, the adhesion of track link 3 and ground can be increased, the inclination and vibration problem when all-terrain vehicle body 1 travels can be greatly reduced, and good ground adhesion can be obtained on undulating road surface, so that the vibration frequency when all-terrain vehicle body 1 travels can be reduced, and the smooth performance of all-terrain vehicle travel is better improved, and then the stability when traveling is improved.
[0032] Further as Figure 1 、 Figure 2 、 Figure 3 And Figure 4As shown, it is worth noting that the adjusting assembly 8 comprises a protective shell 81 fixed to the inner side wall of the support frame 4, a gas cylinder 82 fixed to the inner side wall of the protective shell 81, an added plate 83 fixed to the output end of the gas cylinder 82, two guide wheels 7 rotatably connected to one side wall of the added plate 83, a mounting rod 84 rotatably connected to one side wall of the support frame 4, two mud scraping plates 85 symmetrically distributed and tightly sleeved on the outer surface of the mounting rod 84, one side of the mud scraping plate 85 being in contact with the outer surface of the support wheel 5, and two connecting rings 86 symmetrically distributed and tightly sleeved on the outer surface of the mounting rod 84, the outer surface of the mounting rod 84 being sleeved with a torsion spring 87, the two ends of the torsion spring 87 being respectively fixed to the adjacent side wall of the two connecting rings 86.
[0033] It should be noted that through the setting of the adjusting assembly 8, the position of the guide wheel 7 can be adjusted according to actual needs, so as to ensure that the guide wheel 7 is always in a state of adhesion with the track link 3, thereby effectively improving the stability of the all-terrain vehicle body 1 during driving, avoiding the situation that the normal driving is affected due to the loosening of the track link 3, and cooperating with the setting of the mud scraping plate 85 and the torsion spring 87, the mud on the surface of the support wheel 5 is scraped by the mud scraping plate 85, thereby preventing the situation that the normal use is affected due to the adhesion of mud on the support wheel 5.
[0034] The present scheme has the following working process: when the technical personnel uses the device, when the all-terrain vehicle body 1 drives, cooperates with the spring shock absorber 64 to provide damping effect for the support wheel 5, when the tension of the track link 3 needs to be adjusted, through the driving of the gas cylinder 82, the connecting plate moves synchronously, thereby driving the two guide wheels 7 to move synchronously, achieving the purpose of adjusting the tension of the track link 3, and using the elastic action of the torsion spring 87 to ensure that the mud scraping plate 85 is always in a state of adhesion with the outer surface of the support wheel 5, and the mud on the outer surface of the support wheel 5 is scraped by the mud scraping plate 85.
[0035] According to the above working process, it can be known that through the setting of the shock absorbing assembly 6, the adhesion of the track link 3 and the ground can be increased, the inclination and vibration problems occurring during driving of the all-terrain vehicle body 1 can be greatly reduced, and good ground adhesion can be obtained on the undulating road surface, so that the vibration frequency during driving of the all-terrain vehicle body 1 is reduced, the smooth performance of the all-terrain vehicle driving is better improved, thereby improving the stability during driving, and through the setting of the adjusting assembly 8, the position of the guide wheel 7 can be adjusted according to actual needs, so as to ensure that the guide wheel 7 is always in a state of adhesion with the track link 3, thereby effectively improving the stability of the all-terrain vehicle body 1 during driving, avoiding the situation that the normal driving is affected due to the loosening of the track link 3, and cooperating with the setting of the mud scraping plate 85 and the torsion spring 87, the mud on the surface of the support wheel 5 is scraped by the mud scraping plate 85, thereby preventing the situation that the normal use is affected due to the adhesion of mud on the support wheel 5.
[0036] Further as Figure 1 and Figure 4 illustrated, it is worth noting that the inside side wall of the support frame 4 is fixed with two protective sleeves 9 distributed symmetrically, the mounting rod 84 is located inside the protective sleeve 9, and the central axis of the protective sleeve 9 is arranged in line with the central axis of the mounting rod 84;
[0037] It should be noted that the protective sleeve 9 is arranged to protect the torsion spring 87 from the influence of the rebound effect of the torsion spring 87 caused by the soil, and the protective effect of the torsion spring 87 is good.
[0038] Further as Figure 1 and Figure 4 illustrated, it is worth noting that one side of the mud scraping plate 85 is arranged as a chamfered slope, and the number of the guide wheels 7 is less than the number of the support wheels 5;
[0039] It should be noted that the chamfered slope on one side of the mud scraping plate 85 can improve the mud scraping effect on the surface of the support wheel 5, thereby ensuring that the soil can be scraped off smoothly, in combination with the position and number of the guide wheels 7 and the support wheels 5.
[0040] Further as Figure 1 and Figure 3 illustrated, it is worth noting that the side wall of the support frame 4 is provided with a bearing groove 10, and the guide wheel 7 is located inside the bearing groove 10, and the outer surface of the guide wheel 7 is in contact with one side of the track link 3;
[0041] It should be noted that the bearing groove 10 can bear the guide wheel 7, preventing the guide wheel 7 from being in a suspended state for a long time, which causes difficulty in adjustment.
[0042] In summary: through the arrangement of the protective sleeve 9, the protection effect of the torsion spring 87 is good, and the rebound effect of the torsion spring 87 is prevented from being affected by the soil, and through the arrangement of the chamfered slope on one side of the mud scraping plate 85, the mud scraping effect on the surface of the support wheel 5 can be improved, thereby ensuring that the soil can be scraped off smoothly, in combination with the position and number of the guide wheels 7 and the support wheels 5, and through the arrangement of the bearing groove 10, the guide wheel 7 can be borne, preventing the guide wheel 7 from being in a suspended state for a long time, which causes difficulty in adjustment.
Claims
1. A chassis drive arrangement for a tracked all-terrain vehicle comprising an all-terrain vehicle body (1), characterised in that, Also includes Two drive wheels (2), two drive wheels (2) are symmetrically distributed in the all terrain vehicle body (1) one side, the all terrain vehicle body (1) one side is provided with two symmetrically distributed track links (3), the drive wheel (2) and the track links (3), the drive wheel (2) and the track links (3) mesh connection; Two support frame (4), two support frame (4) is symmetrically distributed fixed in the all terrain vehicle body (1) one side wall, the support frame (4) is located in the track links (3) inside, the support frame (4) one side is provided with a plurality of support wheel (5), the support wheel (5) one side with the track links (3) one side contact, the support frame (4) one side is provided with the shock absorbing assembly (6) and the support wheel (5) is matched; Two guide wheels (7), two guide wheels (7) are provided on one side of the support frame (4), and an adjusting assembly (8) matched with the guide wheels (7) is arranged on one side of the support frame (4).
2. An undercarriage drive for an all-terrain vehicle as defined in claim 1, characterized in that: The shock absorbing assembly (6) comprises A plurality of rotating rods (61) are rotatably connected to one side of the support frame (4) at equal intervals, the outer surface of the rotating rod (61) is tightly sleeved with a transmission plate (62), and the support wheel (5) is rotatably connected to one side wall of the transmission plate (62); A plurality of rod bodies a (63) are rotatably connected to one side wall of the support frame (4) at equal intervals, the outer surface of the rod body a (63) is rotatably connected with a spring shock absorber (64), one side wall of the transmission plate (62) is rotatably connected with a rod body b (65), and the other end of the spring shock absorber (64) is rotatably connected with the outer surface of the rod body b (65).
3. An undercarriage drive arrangement for an all-terrain vehicle according to claim 2, characterized in that: The adjusting assembly (8) comprises A protective shell (81) is fixed to the inner side wall of the support frame (4), a gas cylinder (82) is fixed to the inner side wall of the protective shell (81), an additional plate (83) is fixed to the output end of the gas cylinder (82), and two guide wheels (7) are rotatably connected to one side wall of the additional plate (83); An installation rod (84) is rotatably connected to one side wall of the support frame (4), two symmetrically distributed mud scraping plates (85) are tightly sleeved on the outer surface of the installation rod (84), and one side of the mud scraping plate (85) is in contact with the outer surface of the support wheel (5); Two connecting rings (86) are symmetrically distributed and tightly sleeved on the outer surface of the installation rod (84), a torsion spring (87) is sleeved on the outer surface of the installation rod (84), and the two ends of the torsion spring (87) are respectively fixed to the side walls adjacent to the two connecting rings (86).
4. A track-type ATV chassis drive as claimed in claim 3, characterized in that: The inner side wall of the support frame (4) is fixed with two symmetrically distributed protective sleeves (9), the installation rod (84) is located inside the protective sleeve (9), and the center axis of the protective sleeve (9) is arranged in line with the center axis of the installation rod (84).
5. An undercarriage drive arrangement for an all-terrain vehicle according to claim 4, characterized in that: One side of the mud scraping plate (85) is provided with an inverted angle inclined surface, and the number of the guide wheels (7) is less than the number of the support wheels (5).
6. An undercarriage drive arrangement for an all-terrain vehicle according to claim 5, characterized in that: The support frame (4) is provided with a bearing groove (10) on one side wall, the guide wheel (7) is located inside the bearing groove (10), and the outer surface of the guide wheel (7) is in contact with one side of the track link (3).