Crawler chassis self-adaptive profiling traveling mechanism
By designing an adaptive profiling driving mechanism in the track chassis driving mechanism, and using the combined structure of the main track and secondary track, the problem of insufficient adaptability of traditional track driving mechanisms in complex terrain is solved, and higher off-road performance and terrain adaptability are achieved.
Patent Information
- Application Number
- CN202421746957.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-23
AI Technical Summary
Traditional track driving mechanisms have problems such as insufficient adaptability, poor stability, inflexible handling, inconvenient maintenance and low power transmission efficiency in complex terrain.
An adaptive profiling driving mechanism for the track chassis is designed. By combining the main track mechanism and the sub-crawler mechanism, the sub-crawler mechanism can flip and lift the chassis body when encountering obstacles or uneven terrain, helping the vehicle to cross obstacles.
It improves off-road performance, enhances terrain adaptability, ensures that the vehicle maintains stable driving in complex terrain, reduces bumps and instability caused by terrain changes, improves traction and stability, especially on soft ground or muddy terrain, effectively prevents the vehicle from falling into it and improves the ability to pass.
Smart Images

Figure CN222820171U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crawler chassis traveling mechanisms, in particular to a crawler chassis self-adaptive contour-profiling traveling mechanism. Background Art
[0002] The crawler chassis travel mechanism is a drive system widely used in various off-road vehicles, engineering machinery, military equipment and agricultural machinery. Its main feature is that it uses crawlers instead of traditional tires, and provides greater traction and stability through the extensive contact between the crawlers and the ground, thereby achieving superior off-road performance and adaptability to complex terrain. The crawler chassis travel mechanism is usually composed of drive wheels, guide wheels, supporting wheels, crawlers and suspension systems, and can travel stably on unstable terrains such as mud, sand and snow.
[0003] The traditional crawler traveling mechanism has many deficiencies in its adaptability, stability, handling flexibility, maintenance convenience and power transmission efficiency when dealing with complex terrain; therefore, it does not meet the existing needs. In this regard, we propose a crawler chassis adaptive contouring traveling mechanism. Utility Model Content
[0004] The purpose of the utility model is to provide an adaptive contour-profiling mechanism that can adapt to complex terrains and improve chassis stability and passability. The adaptive contour-profiling mechanism is composed of a main crawler mechanism and an auxiliary crawler mechanism to adapt to various complex terrains; the auxiliary crawler mechanism is designed so that when encountering obstacles or uneven terrain, the auxiliary crawler can flip and lift up the chassis body to help the vehicle cross the obstacles, further improving the off-road performance, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crawler chassis adaptive contouring traveling mechanism, comprising: a chassis main body, main crawler mechanisms are arranged on both sides of the chassis main body, auxiliary crawler mechanisms are arranged at the front and rear ends of the outer sides of the main crawler mechanisms, and the main crawler mechanisms are connected to the driving mechanism inside the chassis main body to realize movement.
[0006] Preferably, the main crawler mechanism includes a first connecting plate, a first driving wheel and a first crawler track. A circular hole for accommodating a rotating shaft is opened on the side wall of the first connecting plate. The circular hole is connected to the first driving wheel through the rotating shaft. The first crawler track is sleeved on the outer sides of the two groups of first driving wheels, and the inner side of the first crawler track is meshed with the teeth on the outer circle of the first driving wheel.
[0007] Preferably, the front and rear ends of the bottom of the chassis body are fixedly connected with fixed brackets for fixing the transmission shaft and limiting the transmission shaft. The middle position of the transmission shaft is connected to the driving assembly inside the chassis body. The transmission shaft is a double-layer drive structure, which includes an independently rotating center shaft and an independently rotating outer sleeve shaft. Both ends of the outer sleeve shaft of the transmission shaft are connected to the center position of the first driving wheel to realize power transmission.
[0008] Preferably, the auxiliary crawler mechanism includes a second connecting plate, two groups of second driving wheels and a second crawler track, the two groups of second driving wheels are large and small, the second driving wheel with a larger diameter corresponds to the center position of the first driving wheel at a corresponding position, and the central axis of the transmission shaft is fixedly connected to the center position of the second driving wheel, the second connecting plate is connected to the outer sides of the two groups of second driving wheels through a rotating shaft, the second crawler track is sleeved on the outer sides of the two groups of second driving wheels, and the inner side of the second crawler track is meshed with the teeth on the outer circle of the second driving wheel.
[0009] Preferably, an equipment compartment for installing batteries, drive mechanisms and control systems is provided in the middle of the top of the chassis body, a top cover which can be flipped upward through a connecting axis on one side is movably installed on the top of the equipment compartment, and handles are installed on both sides of the top of the chassis body.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model enables the device to adapt to various complex terrains through the combination of a crawler mechanism and an auxiliary crawler mechanism. The design of the auxiliary crawler mechanism enables the auxiliary crawler to flip and lift up the chassis body when encountering obstacles or uneven terrain, helping the vehicle to cross the obstacles, and further improving the off-road performance. Through the independently controlled transmission shaft structure, the main crawler and the auxiliary crawler can operate independently to achieve better terrain adaptability. This design can enable the vehicle to maintain stable driving under complex road conditions and reduce the bumps and instability caused by terrain changes. Multiple sets of crawlers provide a larger ground contact area, disperse the weight of the vehicle, and improve traction and stability. Especially on soft ground or muddy terrain, multiple sets of crawlers can effectively prevent the vehicle from getting stuck and improve the vehicle's passing ability. The transmission shaft adopts a double-layer drive structure, and the central shaft and the outer sleeve shaft can rotate independently, which is convenient for realizing complex drive control and improving the reliability and efficiency of the system. The design of the equipment compartment allows the battery, drive mechanism and control system to be centrally managed, which is convenient for maintenance and operation. The device can be widely used in engineering machinery, military vehicles, agricultural machinery and other fields that require strong off-road capabilities and stability. It is particularly suitable for situations where it is necessary to work in complex terrain, such as rescue missions, expedition activities and special operating environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 It is a bottom view of the utility model;
[0014] Figure 3 This is a schematic diagram of the main crawler mechanism structure of the utility model;
[0015] Figure 4 This is a schematic diagram of the auxiliary crawler mechanism structure of the utility model;
[0016] In the figure: 1. chassis body; 2. main track mechanism; 3. auxiliary track mechanism; 4. equipment compartment; 5. top cover; 6. handle; 7. fixed bracket; 8. transmission shaft; 21. first connecting plate; 22. first driving wheel; 23. first track; 31. second connecting plate; 32. second driving wheel; 33. second track. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0018] See also Figure 1-4The utility model provides an embodiment: a crawler chassis adaptive contouring travel mechanism, comprising: a chassis body 1, main crawler mechanisms 2 are arranged on both sides of the chassis body 1, and auxiliary crawler mechanisms 3 are arranged on the front and rear ends of the outer sides of the main crawler mechanisms 2. The main crawler mechanisms 2 are connected to the driving mechanism inside the chassis body 1 to achieve movement. The main crawler mechanisms 2 include a first connecting plate 21, a first driving wheel 22 and a first crawler 23. A circular hole for accommodating a rotating shaft to pass through the side wall of the first connecting plate 21 is opened, and the first driving wheel 22 is connected to the circular hole through a rotating shaft. The first crawler 23 is sleeved on the outer sides of the two groups of first driving wheels 22, and the inner side of the first crawler 23 is meshed with the teeth at the outer circle of the first driving wheel 22. The front and rear ends of the bottom of the chassis body 1 are fixedly connected with a fixing bracket 7 for fixing a transmission shaft 8 and limiting the transmission shaft 8. The middle position of the transmission shaft 8 is connected to the driving assembly inside the chassis body 1. The transmission shaft 8 is a double-layer drive structure, which includes an independently rotating central shaft and an independently rotating outer sleeve shaft. The two ends of the outer sleeve shaft of the transmission shaft 8 are connected to the center position of the first drive wheel 22 to realize power transmission; wherein, the auxiliary crawler mechanism 3 includes a second connecting plate 31, two groups of second drive wheels 32 and a second crawler 33. The two groups of second drive wheels 32 are large and small, wherein the second drive wheel 32 with a larger diameter corresponds to the center position of the first drive wheel 22 at the corresponding position and the central axis of the transmission shaft 8 is fixedly connected to the center position of the second drive wheel 32. The second connecting plate 31 is connected to the outer side of the two groups of second drive wheels 32 through a rotating shaft, and the second crawler 33 is sleeved on the outer side of the two groups of second drive wheels 32, and the inner side of the second crawler 33 is meshed with the teeth at the outer circle of the second drive wheel 32;
[0019] The main crawler and auxiliary crawler can operate independently to achieve better terrain adaptability, which can keep the vehicle running smoothly under complex road conditions and reduce the bumps and instability caused by terrain changes; multiple sets of crawlers provide a larger ground contact area, disperse the weight of the vehicle, and improve traction and stability, especially on soft ground or muddy terrain. Multiple sets of crawlers can effectively prevent the vehicle from getting stuck and improve the vehicle's passing ability; the transmission shaft 8 adopts a double-layer drive structure, and the central shaft and the outer sleeve shaft can rotate independently, which is convenient for realizing complex drive control and improving the reliability and efficiency of the system;
[0020] An equipment compartment 4 for installing batteries, drive mechanisms and control systems is provided in the middle of the top of the chassis body 1. A top cover 5 that can be flipped upward through a connecting shaft on one side is movably installed at the top of the equipment compartment 4. Handles 6 are installed on both sides of the top of the chassis body 1. The design of the equipment compartment 4 allows centralized management of batteries, drive mechanisms and control systems, which is convenient for maintenance and operation.
[0021] Working principle: When in use, the control system inside the chassis body 1 controls the driving mechanism to provide power, the driving mechanism controls the central axis of the transmission shaft 8 and the outer shaft to realize power output, the outer shaft is connected to the four sets of first driving wheels 22 to drive the first driving wheels 22 to rotate, thereby cooperating with the first crawler 23 to realize movement, the central axis is connected to the second driving wheel 32 to drive the second driving wheel 32 to rotate, thereby realizing the operation of the auxiliary crawler mechanism 3, the auxiliary crawler mechanism 3 is flipped at the end of the main crawler mechanism 2 to lift the entire chassis body 1, so that the entire mechanism can move under complex road conditions.
[0022] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A crawler chassis adaptive contouring travel mechanism, comprising a chassis body (1), characterized in that: Main crawler mechanisms (2) are arranged on both sides of the chassis body (1), and auxiliary crawler mechanisms (3) are arranged at the front and rear ends of the outer sides of the main crawler mechanisms (2). The main crawler mechanisms (2) are connected to the driving mechanism inside the chassis body (1) to achieve movement.
2. The crawler chassis adaptive contouring travel mechanism according to claim 1, characterized in that: The main crawler mechanism (2) comprises a first connecting plate (21), a first driving wheel (22) and a first crawler (23); a circular hole for accommodating a rotating shaft passing through the side wall of the first connecting plate (21); the first driving wheel (22) is connected to the circular hole via the rotating shaft; the first crawler (23) is sleeved on the outside of the two groups of first driving wheels (22), and the inside of the first crawler (23) is meshed with the teeth on the outer circle of the first driving wheel (22).
3. The crawler chassis adaptive contouring travel mechanism according to claim 2, characterized in that: The front and rear ends of the bottom of the chassis body (1) are fixedly connected to fixed brackets (7) for fixing the transmission shaft (8) and limiting the transmission shaft (8); the middle position of the transmission shaft (8) is connected to a driving component inside the chassis body (1); the transmission shaft (8) is a double-layer drive structure, which includes an independently rotating central shaft and an independently rotating outer sleeve shaft; the two ends of the outer sleeve shaft of the transmission shaft (8) are connected to the center position of the first drive wheel (22) to realize power transmission.
4. The crawler chassis adaptive contouring travel mechanism according to claim 3, characterized in that: The auxiliary crawler mechanism (3) comprises a second connecting plate (31), two sets of second driving wheels (32) and a second crawler (33), wherein the two sets of second driving wheels (32) are one large and one small, wherein the second driving wheel (32) with a larger diameter corresponds to the center position of the first driving wheel (22) at a corresponding position, and the central axis of the transmission shaft (8) is fixedly connected to the center position of the second driving wheel (32), the second connecting plate (31) is connected to the outer sides of the two sets of second driving wheels (32) through a rotating shaft, the second crawler (33) is sleeved on the outer sides of the two sets of second driving wheels (32), and the inner side of the second crawler (33) is meshedly connected with the teeth at the outer circumference of the second driving wheel (32).
5. The crawler chassis adaptive contouring travel mechanism according to claim 1, characterized in that: An equipment compartment (4) in which a battery, a drive mechanism and a control system are installed is provided in the middle of the top of the chassis body (1); a top cover (5) which can be turned upwards via a connecting shaft on one side is movably installed at the top of the equipment compartment (4); and handles (6) are installed at both sides of the top of the chassis body (1).