CN117401050A - Caterpillar chassis and leveling method thereof - Google Patents
Caterpillar chassis and leveling method thereof Download PDFInfo
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- CN117401050A CN117401050A CN202311592705.2A CN202311592705A CN117401050A CN 117401050 A CN117401050 A CN 117401050A CN 202311592705 A CN202311592705 A CN 202311592705A CN 117401050 A CN117401050 A CN 117401050A
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- frame
- leveling
- screw rod
- spring
- crawler
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000013016 damping Methods 0.000 claims description 14
- 239000000411 inducer Substances 0.000 claims description 13
- 230000005484 gravity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/104—Suspension devices for wheels, rollers, bogies or frames
- B62D55/116—Attitude or position control of chassis by action on suspension, e.g. to compensate for a slope
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a crawler chassis and a leveling method thereof, wherein the crawler chassis comprises a frame, a crawler assembly and a leveling mechanism, wherein the crawler assembly is provided with two groups and is respectively hinged to two sides of the frame in the width direction through supporting shafts; the leveling mechanism comprises a fixing part and an adjusting part which enables the frame to rotate relative to the supporting shaft through adjustment, the fixing part is fixedly connected with the crawler assembly, the adjusting part is connected with the frame, and the fixing part is movably connected with the adjusting part. The method is applied to the crawler chassis. In the application, when the vehicle frame cannot keep a horizontal state due to uneven load, the vehicle frame is enabled to rotate back to the horizontal state by adjusting the leveling mechanism, so that the vehicle frame can keep stability and normal running of the vehicle is not influenced.
Description
Technical Field
The invention relates to the technical field of tracked vehicles, in particular to a tracked chassis and a leveling method thereof.
Background
In order to keep the running stability of the vehicle, the chassis structure of the common crawler engineering vehicle is provided with a corresponding elastic damping mechanism, for example, when goods are loaded, the vehicle chassis can be kept in a horizontal state as long as the goods are evenly paved; if the upper part arranged on the chassis is a crane, when the lifted goods can lead the chassis elastic damping mechanism to bear uneven stress and can not keep the horizontal state of the chassis, the supporting legs are arranged around the chassis to replace the chassis elastic damping mechanism to support the chassis to keep the horizontal.
However, in some engineering vehicles, the loading equipment needs the chassis to keep a horizontal state when the vehicle is running, and meanwhile, the loading equipment needs to adjust the front and rear positions according to the task requirement, and the chassis elastic damping mechanism is correspondingly in an unbalanced state, so that the chassis of the vehicle cannot keep the horizontal state. The method that the supporting legs are arranged around the chassis to replace the chassis elastic damping mechanism to support the chassis to keep the level is not suitable for the vehicle in the running state.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and providing a crawler chassis and a leveling method thereof, which can level when a vehicle normally runs.
In order to solve the technical problems, the invention adopts the following technical scheme:
a crawler chassis, characterized in that: comprises a frame, a track assembly and a leveling mechanism; the crawler belt assembly is provided with two groups which are respectively hinged to two sides of the frame in the width direction through supporting shafts; the leveling mechanism comprises a fixing part and an adjusting part which enables the frame to rotate relative to the supporting shaft through adjustment, the fixing part is fixedly connected with the crawler assembly, the adjusting part is connected with the frame, and the fixing part is movably connected with the adjusting part.
As a further improvement of the above scheme:
the leveling mechanism further comprises a damping part, and the damping part can apply elastic acting force to the frame when the frame tilts.
The fixing part comprises a lower supporting plate, the adjusting part comprises a leveling screw rod, the damping part comprises an upper supporting plate and a spring, the spring is vertically arranged, the lower supporting plate is fixedly connected to the lower end of the spring, and the upper supporting plate is fixedly connected to the upper end of the spring; the leveling screw rod also penetrates through the upper supporting plate and is in threaded connection with the upper supporting plate.
The single-group crawler belt assembly comprises two groups of leveling mechanisms which are symmetrically arranged at two sides of the supporting shaft along the length direction of the frame; the leveling mechanism is provided with at least two springs, and the leveling screw rod is arranged in the middle of the upper supporting plate.
A gap for avoiding interference of the lower support plate and the leveling screw rod when the frame tilts is reserved between the lower support plate and the leveling screw rod.
The crawler assembly comprises a walking bracket, a bearing seat is fixedly connected to the frame, and a bearing is arranged on the bearing seat; one end of the supporting shaft is connected with the walking bracket, and the other end of the supporting shaft is connected with the bearing.
The crawler assembly further comprises a driving wheel and an inducer, the driving wheel and the inducer are respectively arranged at two ends of the walking support along the length direction of the vehicle, the central axes of the supporting shaft, the driving wheel and the inducer are positioned on the same horizontal plane, and the supporting shaft is arranged between the central axes of the driving wheel and the inducer at equal intervals.
The lower support plate is fixedly connected with the walking bracket; the spring is arranged inside the frame, and the frame is provided with a avoiding hole which is used for avoiding interference with the lower supporting plate when the spring rotates.
The middle section of the leveling screw rod is provided with threads, both ends of the leveling screw rod penetrate through the frame, the upper end of the leveling screw rod is provided with a shoulder clamped above the frame, and the shoulder is provided with a square structure for rotating and adjusting the leveling screw rod; the lower end of the leveling screw rod is provided with an annular groove, a check ring is clamped in the annular groove, and a gasket is arranged between the check ring and the frame.
A method for leveling a crawler chassis is characterized by comprising the following steps: the crawler chassis comprises the following steps:
s1, judging a leveling mechanism which needs to be adjusted and an adjusting direction of a leveling screw rod in the leveling mechanism according to an unbalanced direction of a frame; when the frame tilts downwards, the springs of the leveling mechanism are in a compressed state; when the frame is inclined upwards, the spring of the leveling mechanism is in a stretched state;
s2, for the leveling mechanism with the spring in a compressed state, the leveling screw rod of the leveling mechanism is rotated to enable the leveling screw rod to move upwards relative to the upper supporting plate; and for the leveling mechanism with the spring in a stretching state, the leveling screw rod of the leveling mechanism is reversely rotated to enable the leveling screw rod to downwards move relative to the upper supporting plate until the frame is restored to be horizontal, so that leveling is completed.
Compared with the prior art, the invention has the advantages that:
the invention provides a crawler chassis and a leveling method thereof. Meanwhile, a leveling mechanism is arranged between the frame and the crawler belt assembly, and when the frame cannot keep a horizontal state due to uneven load, the frame is enabled to rotate back to the horizontal state by adjusting the leveling mechanism, so that the frame can keep stability and normal running of the vehicle is not affected.
Drawings
Fig. 1 is a schematic side perspective view of a crawler chassis in an embodiment of the apparatus, wherein C is the rotational direction of the carriage.
Fig. 2 is a partial cross-sectional view at A-A in fig. 1.
Fig. 3 is a partial cross-sectional view at B-B in fig. 1.
Fig. 4 is a schematic view of a structure in which a frame is offset in an embodiment of the device, and G is an offset direction of the frame.
Fig. 5 is a schematic view of a partial structure of a device embodiment after leveling of a vehicle frame.
Figure 6 is a schematic diagram of the structure of the leveling mechanism in an embodiment of the apparatus.
Fig. 7 is a schematic sectional view of the structure of fig. 6 in the direction F-F.
Figure 8 is a schematic top view of the structure of the leveling screw in an embodiment of the apparatus.
The reference numerals in the drawings denote:
1. a frame; 11. a bearing seat; 12. a bearing; 13. avoidance holes; 2. a track assembly; 21. a walking bracket; 22. a driving wheel; 23. an inducer; 24. a towing wheel; 25. a loading wheel; 26. a track; 3. a leveling mechanism; 31. a lower support plate; 32. an upper support plate; 33. a spring; 34. leveling the screw rod; 341. a shoulder; 342. an annular groove; 343. a retainer ring; 344. a gasket; 345. a tetragonal structure; 346. a gap; 4. and a support shaft.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
Device example:
fig. 1 to 8 show an embodiment of a crawler chassis of the present invention, comprising a frame 1, a crawler assembly 2 and a leveling mechanism 3, wherein the crawler assembly 2 is provided with two groups of two sides hinged on the width direction of the frame 1 through supporting shafts 4; the leveling mechanism 3 comprises a fixing part and an adjusting part which enables the frame 1 to rotate relative to the supporting shaft 4 through adjustment, the fixing part is movably connected with the adjusting part, the fixing part is fixedly connected with the crawler assembly 2, and the adjusting part is connected with the frame 1. In this structure, the frame 1 and the track assembly 2 are hinged by providing the support shaft 4, so that the frame 1 can swing relative to the frame 1 through the support shaft 4, as shown in the direction C of fig. 1. Meanwhile, a leveling mechanism 3 is arranged between the frame 1 and the crawler belt assembly 2, and when the frame 1 cannot keep a horizontal state due to uneven load, the frame 1 is rotated to be restored to the horizontal state by adjusting the leveling mechanism 3, so that the frame 1 can keep stability and normal running of a vehicle is not influenced.
In this embodiment, the leveling mechanism 3 further includes a damping portion, and the damping portion can apply an elastic force to the frame 1 when the frame 1 is tilted. Specifically, the fixing part comprises a lower supporting plate 31, the adjusting part comprises a leveling screw rod 34, the damping part comprises an upper supporting plate 32 and a spring 33, the spring 33 is vertically arranged, the lower end of the spring 33 is fixedly connected with the lower supporting plate 31, and the upper end of the spring 33 is fixedly connected with the upper supporting plate 32; the lower supporting plate 31 is fixedly connected to the crawler assembly 2, the leveling screw rod 34 is vertically arranged and hinged to the frame 1, and the leveling screw rod 34 is further in threaded connection with the upper supporting plate 32. In this structure, the spring 33 plays a role of an elastic shock absorber, ensuring the running stability of the vehicle, referring to fig. 3 specifically, when the gravity center of the chassis load deviates along the arrow F direction, the track assembly 2 is kept unchanged under the support of the ground, and the frame 1 bearing the gravity center deviation load swings along the direction G with the support shaft 4 as a fulcrum, so that the leveling screw 34 drives the upper support plate 32 to move along the direction G until the elasticity of the spring 33 and the bearing load gravity reach balance, and then the frame 1 is no longer horizontal. Referring to fig. 4 specifically, if the chassis is to be adjusted to be in a horizontal state, only the leveling screw rod 34 is needed to be adjusted, and the leveling screw rod 34 drives the upper support plate 32 to move, so that the frame 1 rotates in the opposite direction of the G direction until the frame 1 returns to the horizontal state.
In the embodiment, a group of leveling mechanisms 3 is provided with at least two springs 33, and a leveling screw rod 34 is arranged in the middle of an upper supporting plate 32; each spring 33 is independently provided with a lower support plate 31; the crawler belt assembly 2 comprises two leveling mechanisms 3 which are symmetrically arranged on two sides of a supporting shaft 4 along the length direction of the vehicle. In this structure, the damping effect of the leveling device is improved by providing a plurality of springs 33 in a set of leveling mechanisms 3; gaps 346 are reserved between the lower support plates 31 and the leveling screw rods 34, so that interference between the leveling screw rods 34 and the lower support frames 31 in the tilting process of the frame 1 is avoided; the leveling screw rod 34 is arranged in the middle of the upper supporting plate 32 to improve the stress uniformity of the supporting plate, so that the structural stability of the leveling mechanism 3 is ensured; by symmetrically arranging the leveling mechanisms 3 on two sides of the supporting shaft 4 along the length direction of the vehicle, when the vehicle frame 1 is unbalanced, only leveling screw rods 34 on two sides are required to be adjusted, so that the vehicle frame 1 rotates until the vehicle frame 1 is horizontal.
In the embodiment, the crawler belt assembly 2 comprises a walking bracket 21, a bearing seat 11 is fixedly connected to the frame 1, and a bearing 12 is arranged on the bearing seat 11; one end of the supporting shaft 4 is fixedly connected with the walking bracket 21, and the other end is connected with the bearing 12. By this structure, the track assembly 2 is articulated with the frame 1.
In this embodiment, the track assembly 2 further includes a driving wheel 22 and an inducer 23, the driving wheel 22 and the inducer 23 are respectively disposed on two ends of the running support 21 along the vehicle length direction, the central axes of the supporting shaft 4, the driving wheel 22 and the inducer 23 are located on the same horizontal plane, and the supporting shaft 4 is disposed between the central axes of the driving wheel 22 and the inducer 23 at equal intervals. Specifically, a plurality of riding wheels are further arranged above the walking bracket 21, a plurality of bogie wheels 25 are further arranged below the walking bracket 21, and the crawler belt 26 is coated on the outer sides of the riding wheels and the bogie wheels 25. Through this structure, make back shaft 4 be located track assembly 2 center department, leveling mechanism 3 atress more balanced on back shaft 4 both sides, more easily adjust.
In this embodiment, the lower support plate 31 is fixedly connected with the walking bracket 21; the spring 33 is disposed inside the frame 1, and the frame 1 is provided with a avoiding hole 13 for avoiding interference with the lower support plate 31 during rotation. Through this structure, make spring 33 can set up inside frame 1, make frame 1 have certain protective effect to leveling mechanism 3, and be convenient for leveling mechanism 3 exert effort to the frame and level.
In the embodiment, the middle section of the leveling screw rod 34 is provided with threads, both ends of the leveling screw rod 34 pass through the frame 1, the upper end of the leveling screw rod 34 is provided with a shoulder 341 clamped above the frame 1, and the shoulder 341 is provided with a square structure 345 for rotating and adjusting the leveling screw rod 34; the lower end of the leveling screw rod 34 is provided with an annular groove 342, a retaining ring 343 is clamped in the annular groove, and a gasket 344 is arranged between the retaining ring 343 and the frame 1.
In the structure, the middle section of the leveling screw rod 34 is provided with threads connected with the upper supporting plate 32 in a threaded manner, and the upper end and the lower end of the leveling screw rod 34 are hinged with the frame 1, so that the upper supporting plate 32 can be adjusted to move up and down on the leveling screw rod 34 by rotating the leveling screw rod 34. The axial direction of the shoulder 341 and the retainer ring 343 for leveling the screw rod 34 is limited; the square structure 345 is a square column with a square section, so that the leveling screw rod 34 can be conveniently adjusted in a rotating way through the square structure 345.
Method embodiment:
a method for leveling a crawler chassis is applied to the crawler chassis in the embodiment of the device, and specifically comprises the following steps:
s1, judging a leveling mechanism 3 to be adjusted and an adjusting direction of a leveling screw rod 34 in the leveling mechanism 3 according to an unbalanced direction of a frame 1, wherein a spring 33 of the leveling mechanism 3 which is closer to the inclined direction of the frame 1 is in a compressed state, and a spring 33 of the leveling mechanism 3 which is farther from the inclined direction of a vehicle body is in a stretched state;
s2, for the leveling mechanism 3 with the spring 33 in a compressed state, the leveling screw rod 34 of the leveling mechanism 3 is rotated to enable the leveling screw rod 34 to move upwards relative to the upper supporting plate 32; meanwhile, for the leveling mechanism 3 with the spring 33 in a stretched state, the leveling screw 34 of the leveling mechanism 3 is moved downward relative to the upper support plate 32 by rotating the leveling screw 34 reversely until the frame 1 is restored to the horizontal state, and leveling is completed.
The adjustment schemes for the frame 1 when leaning forward or backward relative to the track assembly can be as follows:
while the invention has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. A crawler chassis, characterized in that: comprises a frame (1), a track assembly (2) and a leveling mechanism (3); the crawler belt assembly (2) is provided with two groups, and is respectively hinged to two sides of the frame (1) in the width direction through supporting shafts (4); the leveling mechanism (3) comprises a fixing part and an adjusting part which enables the frame (1) to rotate relative to the supporting shaft (4) through adjustment, the fixing part is fixedly connected with the crawler assembly (2), the adjusting part is connected with the frame (1), and the fixing part is movably connected with the adjusting part.
2. The crawler chassis according to claim 1, wherein: the leveling mechanism (3) further comprises a damping part, and the damping part can apply elastic acting force to the frame (1) when the frame (1) is inclined.
3. The crawler chassis according to claim 2, wherein: the fixing part comprises a lower supporting plate (31), the adjusting part comprises a leveling screw rod (34), the cushioning part comprises an upper supporting plate (32) and a spring (33), the spring (33) is vertically arranged, the lower supporting plate (31) is fixedly connected to the lower end of the spring (33), and the upper supporting plate (32) is fixedly connected to the upper end of the spring (33); the leveling screw rod (34) also penetrates through the upper supporting plate (32) and is in threaded connection with the upper supporting plate (32).
4. A crawler chassis according to claim 3, wherein: the single-group crawler belt assembly (2) comprises two groups of leveling mechanisms (3) which are symmetrically arranged at two sides of the supporting shaft (4) along the length direction of the frame (1); the leveling mechanism (3) is provided with at least two springs (33), and the leveling screw rod (34) is arranged in the middle of the upper supporting plate (32).
5. A crawler chassis according to claim 3, wherein: a gap (346) for avoiding interference between the lower support plate (31) and the leveling screw rod (34) when the frame (1) tilts is reserved between the lower support plate and the leveling screw rod.
6. A crawler chassis according to claim 3, wherein: the crawler belt assembly (2) comprises a walking bracket (21), a bearing seat (11) is fixedly connected to the frame (1), and a bearing (12) is arranged on the bearing seat (11); one end of the supporting shaft (4) is connected with the walking bracket (21), and the other end is connected with the bearing (12).
7. The crawler chassis according to claim 6, wherein: the crawler belt assembly (2) further comprises a driving wheel (22) and an inducer (23), the driving wheel (22) and the inducer (23) are respectively arranged at two ends of the walking support (21) along the length direction of the vehicle, the central axes of the supporting shaft (4), the driving wheel (22) and the inducer (23) are positioned on the same horizontal plane, and the supporting shaft (4) is arranged between the central axes of the driving wheel (22) and the inducer (23) at equal intervals.
8. The crawler chassis according to claim 6, wherein: the lower supporting plate (31) is fixedly connected with the walking bracket (21); the spring (33) is arranged inside the frame (1), and the frame (1) is provided with an avoidance hole (13) which is used for avoiding interference with the lower support plate (31) when the frame rotates.
9. The crawler chassis according to any one of claims 2-8, wherein: the middle section of the leveling screw rod (34) is provided with threads, both ends of the leveling screw rod (34) penetrate through the frame (1), the upper end of the leveling screw rod (34) is provided with a shoulder (341) clamped above the frame (1), and the shoulder (341) is provided with a square structure (345) for rotating and adjusting the leveling screw rod (34); the lower end of the leveling screw rod (34) is provided with an annular groove (342), a retaining ring (343) is clamped in the annular groove, and a gasket (344) is arranged between the retaining ring (343) and the frame (1).
10. A method of levelling a track chassis according to any one of claims 1 to 9, characterised in that: the method comprises the following steps:
s1, judging a leveling mechanism (3) which needs to be adjusted and an adjusting direction of a leveling screw rod (34) in the leveling mechanism (3) through an unbalanced direction of a frame (1); when the frame (1) is inclined downwards, the spring (33) of the leveling mechanism (3) is in a compressed state; when the frame (1) is inclined upwards, the spring (33) of the leveling mechanism (3) is in a stretched state;
s2, a leveling mechanism (3) in a compressed state for a spring (33), and the leveling screw rod (34) is moved upwards relative to the upper supporting plate (32) by rotating the leveling screw rod (34) of the leveling mechanism (3); and for the leveling mechanism (3) with the spring (33) in a stretched state, the leveling screw rod (34) of the leveling mechanism (3) is reversely rotated to enable the leveling screw rod (34) to downwards move relative to the upper supporting plate (32) until the frame (1) is restored to be horizontal, so that leveling is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311592705.2A CN117401050A (en) | 2023-11-27 | 2023-11-27 | Caterpillar chassis and leveling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311592705.2A CN117401050A (en) | 2023-11-27 | 2023-11-27 | Caterpillar chassis and leveling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN117401050A true CN117401050A (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311592705.2A Pending CN117401050A (en) | 2023-11-27 | 2023-11-27 | Caterpillar chassis and leveling method thereof |
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| CN (1) | CN117401050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117775130A (en) * | 2024-02-26 | 2024-03-29 | 湖南千智机器人科技发展有限公司 | Walking chassis, control method of walking chassis and application method |
-
2023
- 2023-11-27 CN CN202311592705.2A patent/CN117401050A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117775130A (en) * | 2024-02-26 | 2024-03-29 | 湖南千智机器人科技发展有限公司 | Walking chassis, control method of walking chassis and application method |
| CN117775130B (en) * | 2024-02-26 | 2024-05-17 | 湖南千智机器人科技发展有限公司 | Walking chassis, control method of walking chassis and application method |
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