A crawler device
By setting up an engagement unit and a guide groove in the track device and using the guide wheel matching of the limiting wheel set, the problem of deviation of the track parts during walking and steering is solved, and the reliability and stability of the track device are improved.
Patent Information
- Application Number
- CN201811530163.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-12-14
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2038-12-14
AI Technical Summary
During the walking and steering process of the existing track devices, the track members are prone to deformation, resulting in deviation from the driving wheel, driven wheel, and load-bearing wheel, causing the track members to fall off and reduce the reliability of use.
A track device including a fixing plate, a driving wheel, a driven wheel, a limiting wheel set and a track member is designed. By providing a plurality of engagement units and guide grooves on the track member, and using a guide wheel in the limiting wheel set is Rolling in the guide channel, the mating engagement unit restricts the axial movement of the track member to prevent falling off.
Effectively prevent the deviation between the track member and the driving wheel and the driven wheel, improve the reliability of the track device and ensure the stable operation of the track member in a rough environment.
Smart Images
Figure CN109398516B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to walking equipment technology, in particular to a crawler device. Background Art
[0002] With the rapid development of modern society and science and technology, tracked vehicles are being increasingly used in various complex environments, especially in various fields such as dangerous environment monitoring, unknown area detection, planetary exploration, rescue search, and bomb disposal. Tracked vehicles can replace workers to perform dangerous work.
[0003] The existing tracked vehicle includes a track device, which includes a driving wheel, a driven wheel, a load-bearing wheel and a track member. The driving wheel and the driven wheel are meshed with the track member, and the load-bearing wheel is located between the driving wheel and the driven wheel to support the track member.
[0004] However, in the process of walking and turning, the track parts of the existing crawler device will be deformed, which may easily cause the track parts to deviate from the driving wheel, the driven wheel, and the load-bearing wheel, causing the track parts to fall off, thereby reducing the reliability of the crawler device. Summary of the invention
[0005] In view of the above problems, the present invention provides a crawler device to improve the reliability of the crawler device.
[0006] The wheelbase is shortened and the shifting mechanism is adapted to engage the cam, wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts and the track member and wherein the shifting mechanism is adapted to engage the camshafts
[0007] In the crawler device of the present invention, when the driving wheel is driven to rotate, the driving wheel drives the crawler member to operate through the meshing unit meshed therewith. During the walking and turning process of the crawler device, the guide wheel of the limit wheel group is always in the guide channel formed by each meshing unit along the length direction of the crawler member, thereby limiting the axial movement of the crawler member along the guide wheel through the cooperation between the guide wheel and the meshing unit, preventing the crawler member from deviating from the driving wheel and the driven wheel, thereby effectively preventing the crawler member from falling off, and improving the reliability of the crawler device. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] Figure 1 It is a structural schematic diagram of the present invention;
[0009] Figure 2 It is a front view of the present invention;
[0010] Figure 3 A top view of the present invention;
[0011] Figure 4 It is a schematic structural diagram of the limiting wheel set of the present invention. DETAILED DESCRIPTION
[0012] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments. However, it should be understood that the accompanying drawings are provided only for a better understanding of the present invention and should not be construed as limiting the present invention.
[0013] like Figure 1 , Figure 2 As shown, the crawler device provided by the embodiment of the present invention comprises: a fixed plate 1, a driving wheel 2, a driven wheel 3, a limiting wheel group 4 and a track member 5, wherein the driving wheel 2, the driven wheel 3 and the limiting wheel group 4 are all rotatably connected to the fixed plate 1, and the track member 5 is sleeved on the driving wheel 2, the driven wheel 3 and the limiting wheel group 4; a plurality of meshing units 51 are formed on the inner surface of the track member 5, the plurality of meshing units 51 are arranged at intervals along the length direction of the track member 5, and a first set spacing is formed between two adjacent meshing units 51, a guide groove is formed on each meshing unit 51, and the guide groove of each meshing unit 51 forms a guide channel along the length direction of the track member 5, the driving wheel 2 and the driven wheel 3 are meshed with the meshing unit 51 to drive the track member 5 to operate; the limiting wheel group 4 is located between the driving wheel 2 and the driven wheel 3, and the limiting wheel group 4 comprises a guide wheel 43, and the guide wheel 43 is used to roll in the guide channel to cooperate with the meshing unit 51 to limit the axial movement of the track member 5 along the guide wheel 43.
[0014] In the crawler device of this embodiment, when the driving wheel 2 is driven to rotate, the driving wheel 2 drives the track member 5 to operate through the meshing unit 51 meshed therewith. During the walking and turning process of the crawler device, the guide wheel 43 of the limiting wheel group 4 is always in the guide channel formed by each meshing unit 51 along the length direction of the crawler member 5, so that the axial movement of the crawler member 5 along the guide wheel 43 is limited by the cooperation between the guide wheel 43 and the meshing unit 51, and the deviation between the crawler member 5 and the driving wheel 2 and the driven wheel 3 is prevented, thereby effectively preventing the crawler member 5 from falling off, and improving the reliability of the crawler device.
[0015] In the above embodiment, preferably, the meshing unit 51 includes a plurality of meshing teeth, and the plurality of meshing teeth are arranged at intervals along the width direction of the track member 5, and a guide groove is formed between two adjacent meshing teeth. Thus, the weight of the track member 5 can be reduced, the lightweight of the track device is achieved, and the difficulty of processing the guide groove is reduced.
[0016] In the above embodiment, preferably, the limiting wheel set 4 comprises: a frame 41; a limiting wheel 42, wherein there are two limiting wheels, the two limiting wheels 42 are parallel and spaced apart along the width direction of the track member 5, and the two limiting wheels 42 are rotatably connected to the frame 41 through a transmission shaft 44; a guide wheel 43 is located between the two limiting wheels 42 and is rotatably connected to the frame 41; a second set spacing is formed between the limiting wheel 42 and the guide wheel 43 so that the meshing teeth can pass between the limiting wheel 42 and the guide wheel 43, and the limiting wheel 42 and the guide wheel 43 cooperate with the meshing teeth to limit the axial movement of the track member 5 along the guide wheel 43. Thus, under the triple cooperation of the two limiting wheels 42 and the meshing teeth on both sides of the guide wheel 43 and the guide wheel 43 rolling in the guide channel, the operation of the track member 5 can be made more stable, and even if it travels in a rugged and complex environment or falls, the track member 5 will not deviate from the driving wheel 2 and the driven wheel 3 and fall off.
[0017] In the above embodiment, preferably, there are a plurality of guide wheels 43, and the plurality of guide wheels 43 are arranged at intervals along the length direction of the track member 5. Thus, the axial movement of the track member 5 along the guide wheels 43 can be more effectively restricted.
[0018] In the above embodiment, preferably, the first set spacing is smaller than the diameter of the limiting wheel 42 and the guide wheel 43. Thus, the limiting wheel 42 and the guide wheel 43 can be prevented from passing through the first set spacing, so that the limiting wheel 42 and the guide wheel 43 are always matched with the meshing teeth to limit the axial movement of the track member 5 along the guide wheel 43 during the operation of the crawler device.
[0019] In the above embodiment, preferably, a limiting flange 52 is further provided on the inner surface of the track member 5, the limiting flange 52 extends along the length direction of the track member 5 and is located between the meshing teeth and the limiting wheel 42, and the limiting flange 52 is used to cooperate with the limiting wheel 42 to limit the axial movement of the track member 5 along the guide wheel 43. Therefore, the cooperation between the limiting flange 52 and the limiting wheel 42 can reduce the contact and friction between the limiting wheel 42 and the meshing teeth, thereby protecting the meshing teeth.
[0020] In the above embodiment, preferably, the crawler device further includes a vibration reduction device 9, which includes: a connecting plate 91 extending along the length direction of the crawler member 5 and connected to the transmission shaft 44; a limiting plate 92 extending along the length direction of the crawler member 5 and mounted on the fixed plate 1; and a vibration reduction spring 93, which is arranged along the height direction of the crawler member 5 and clamped between the connecting plate 91 and the limiting plate 92. As a result, when encountering an obstacle, the crawler member 5 is lifted upward, the limiting wheel 42 can be lifted together with the crawler member 5, and the vibration reduction spring 93 is used to achieve a force release effect, so that the crawler member 5 in contact with the limiting wheel 42 is completely in contact with the ground, ensuring the contact area between the crawler device and the ground, and improving the stability of the crawler device.
[0021] In the above embodiment, preferably, a guide bar hole 11 is provided on the fixing plate 1, and the guide bar hole 11 is arranged along the height direction of the track member 5. The transmission shaft 44 is passed through the guide bar hole 11 and can slide along the guide bar hole 11. Therefore, under the guiding effect of the guide bar hole 11, the movement of the transmission shaft 44 can be made more accurate and stable.
[0022] In the above embodiment, preferably, there are multiple groups of limiting wheel sets 4, which are located at the bottom of the track member 5 and spaced apart along the length direction of the track member 5, and the transmission shafts 44 of the multiple groups of limiting wheel sets 4 are all connected to the connecting plate 91. In this way, the axial movement of the track member 5 along the limiting wheel sets 4 can be more effectively limited, thereby further preventing the track member 5 from falling off.
[0023] In the above embodiment, preferably, the crawler device further includes a driving mechanism 6, which includes: a motor 61, mounted on the fixing plate 1; a first sprocket 64, mounted on the output shaft of the motor reducer 62; a second sprocket 65, mounted on the driving wheel shaft 21; and a chain 66, sleeved on the first sprocket 64 and the second sprocket 65. Thus, the driving force of the motor 61 can be effectively transmitted to the driving wheel 2 through the sprocket chain transmission mechanism, thereby improving the traveling stability of the crawler device.
[0024] The above embodiments are only used to illustrate the present invention, wherein the structure, connection mode and manufacturing process of each component may be changed. Any equivalent transformations and improvements based on the technical solution of the present invention should not be excluded from the protection scope of the present invention.
Claims
1. A crawler device, characterized in that: include: A fixed plate (1), a driving wheel (2), a driven wheel (3), a limiting wheel group (4) and a track member (5), wherein the driving wheel (2), the driven wheel (3) and the limiting wheel group (4) are all rotatably connected to the fixed plate (1), and the track member (5) is sleeved on the driving wheel (2), the driven wheel (3) and the limiting wheel group (4); A plurality of meshing units (51) are formed on the inner surface of the track member (5), the plurality of meshing units (51) are arranged at intervals along the length direction of the track member (5), and a first set spacing is formed between two adjacent meshing units (51), each of the meshing units (51) is formed with a guide groove, and the guide groove of each meshing unit (51) forms a guide channel along the length direction of the track member (5), and the driving wheel (2) and the driven wheel (3) are meshed with the meshing unit (51) to drive the track member (5) to operate; The limiting wheel set (4) is located between the driving wheel (2) and the driven wheel (3), and the limiting wheel set (4) comprises a guide wheel (43), wherein the guide wheel (43) is used to roll in the guide channel to cooperate with the meshing unit (51) to limit the axial movement of the track member (5) along the guide wheel (43); The meshing unit (51) comprises a plurality of meshing teeth, the plurality of meshing teeth being arranged at intervals along the width direction of the track member (5), and the guide groove being formed between two adjacent meshing teeth; The limiting wheel set (4) further comprises: Frame (41); Limiting wheels (42), there are two limiting wheels, the two limiting wheels (42) are parallel and spaced apart along the width direction of the track member (5), and the two limiting wheels (42) are rotatably connected to the frame (41) via a transmission shaft (44); The guide wheel (43) is located between the two limiting wheels (42) and is rotatably connected to the frame (41); A second set spacing is formed between the limiting wheel (42) and the guide wheel (43) so that the meshing teeth can pass between the limiting wheel (42) and the guide wheel (43), and the limiting wheel (42) and the guide wheel (43) cooperate with the meshing teeth to limit the axial movement of the track member (5) along the guide wheel (43); It also includes a vibration reduction device (9), wherein the vibration reduction device (9) includes: A connecting plate (91) extending along the length direction of the track member (5) and connected to the transmission shaft (44); A limiting plate (92) extending along the length direction of the track member (5) and mounted on the fixing plate (1); A vibration-damping spring (93), wherein the vibration-damping spring (93) is arranged along the height direction of the track member (5) and is sandwiched between the connecting plate (91) and the limiting plate (92).
2. The crawler device according to claim 1, characterized in that: There are a plurality of guide wheels (43), and the plurality of guide wheels (43) are arranged at intervals along the length direction of the track member (5).
3. The crawler device according to claim 1, characterized in that: The first set spacing is smaller than the diameters of the limiting wheel (42) and the guide wheel (43).
4. The crawler device according to claim 1, characterized in that: The inner surface of the track member (5) is also provided with a limiting flange (52), which extends along the length direction of the track member (5) and is located between the meshing teeth and the limiting wheel (42), and the limiting flange (52) is used to cooperate with the limiting wheel (42) to limit the axial movement of the track member (5) along the guide wheel (43).
5. The crawler device according to claim 1, characterized in that: The fixing plate (1) is provided with a guide bar hole (11), the guide bar hole (11) being arranged along the height direction of the track member (5), and the transmission shaft (44) is inserted into the guide bar hole (11) and is capable of sliding along the guide bar hole (11).
6. The crawler device according to claim 1, characterized in that: The plurality of limit wheel assemblies (4) are located at the bottom of the track member (5) and are spaced apart along the length direction of the track member (5). The transmission shafts (44) of the plurality of limit wheel assemblies (4) are all connected to the connection plate (91).
7. The crawler device according to any one of claims 1 to 6, characterized in that: The crawler device further comprises a driving mechanism (6), wherein the driving mechanism (6) comprises: A motor (61) mounted on the fixing plate (1); A first sprocket (64) mounted on an output shaft of the motor reducer (62); A second sprocket (65) mounted on the driving wheel shaft (21); The chain (66) is sleeved on the first sprocket (64) and the second sprocket (65).