CN116062052A - Crawler chassis gear train structure and working machine - Google Patents
Crawler chassis gear train structure and working machine Download PDFInfo
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- CN116062052A CN116062052A CN202310163820.1A CN202310163820A CN116062052A CN 116062052 A CN116062052 A CN 116062052A CN 202310163820 A CN202310163820 A CN 202310163820A CN 116062052 A CN116062052 A CN 116062052A
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- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
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- 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
- B62D55/14—Arrangement, location, or adaptation of rollers
-
- 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
- B62D55/18—Tracks
- B62D55/20—Tracks of articulated type, e.g. chains
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to the technical field of working machines, and provides a crawler chassis gear train structure and a working machine. The crawler-type chassis gear train structure comprises a chassis body, a guide wheel, a driving wheel, a supporting chain wheel and a crawler, wherein the guide wheel and the driving wheel are respectively and rotatably arranged at two ends of the chassis body, and the crawler surrounds the guide wheel and the driving wheel; the supporting chain wheel is rotatably arranged on the chassis body, the supporting chain wheel is positioned between the guide wheel and the driving wheel, the top of the supporting chain wheel is matched with the upper ring part of the crawler belt, and the bottom of the supporting chain wheel is matched with the lower ring part of the crawler belt, so that the crawler belt drives the supporting chain wheel to rotate. According to the invention, the supporting chain wheel is arranged, so that the driving force for driving the supporting chain wheel to rotate can be increased, and the risk of blocking the supporting chain wheel from rotating can be further reduced.
Description
Technical Field
The invention relates to the technical field of working machines, in particular to a chassis gear train structure and a working machine.
Background
In order to improve the ability of a work machine or vehicle to travel in rough terrain environments, some work machines or vehicles are often provided with a tracked chassis train configuration. For example, the chassis gear train structure of the crawler excavator comprises a guide wheel, a thrust wheel, a driving wheel and a supporting chain wheel which are arranged on a frame, and the crawler of the excavator is simultaneously supported by the guide wheel, the thrust wheel, the driving wheel and the supporting chain wheel.
The support chain wheel is arranged at the upper part of the chassis of the frame, has smaller diameter and is used for supporting the upper ring part of the crawler belt. When a large amount of soil accumulated on the chassis is dried, the support chain wheel is easily solidified by the soil, so that the friction force between the crawler belt and the support chain wheel can not drive the support chain wheel to normally rotate. The rolling friction between the crawler belt and the support chain wheel is changed into sliding friction, so that the support chain wheel is seriously worn, and the problem of eccentric oil leakage is generated.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a crawler chassis wheel train structure, and the arrangement of the supporting chain wheels can increase the driving force for driving the supporting chain wheels to rotate, so that the risk of blocking the rotation of the supporting chain wheels can be reduced.
The invention provides a crawler chassis wheel train structure, which comprises: the chassis comprises a chassis body, guide wheels, driving wheels, a supporting chain wheel and a crawler belt; wherein,,
the guide wheels and the driving wheels are respectively and rotatably arranged at two ends of the chassis body, and the crawler belt surrounds the guide wheels and the driving wheels;
the supporting chain wheel is rotatably arranged on the chassis body, the supporting chain wheel is positioned between the guide wheel and the driving wheel, the top of the supporting chain wheel is matched with the upper ring part of the crawler belt, and the bottom of the supporting chain wheel is matched with the lower ring part of the crawler belt, so that the crawler belt drives the supporting chain wheel to rotate.
According to one embodiment of the present invention, further comprising a housing provided on the chassis body, the housing comprising:
the pair of side plates are arranged at intervals and correspond to each other;
a top plate connected to the pair of side plates;
the wheel axle assembly of the support chain wheel is respectively connected with a pair of side plates at two ends, and the top plate is provided with an opening for the support chain wheel to extend out.
According to one embodiment of the invention, the axle assembly comprises:
the wheel body of the supporting chain wheel is rotatably sleeved on the periphery of the shaft body;
the end covers are arranged in a pair and are respectively and fixedly connected to the two ends of the shaft body; wherein,,
an oil sealing piece is arranged between the end cover and the wheel body.
According to one embodiment of the invention, an anti-rotation structure is provided between at least one end of the axle assembly and the side plate, the anti-rotation structure being adapted to prevent rotation of the axle assembly relative to the side plate.
According to one embodiment of the present invention, the anti-rotation structure includes:
a stop surface disposed at an end of the axle assembly;
the first protruding structure is fixedly arranged on the side plate and abuts against the stop surface so as to prevent the wheel shaft assembly from rotating.
According to one embodiment of the present invention, the support sprockets are provided in at least two, and at least two of the support sprockets are provided in sequence between the guide wheel and the driving wheel.
According to one embodiment of the invention, the crawler belt comprises a crawler belt, wherein the crawler belt comprises a crawler belt body, a crawler belt and a plurality of supporting wheels, the crawler belt body is provided with a plurality of supporting wheels, the supporting wheels are sequentially matched with the lower ring part of the crawler belt, and the supporting wheels are distributed on two sides of the supporting and supporting chain wheel.
According to one embodiment of the invention, the outer circumferential surface of the wheel body of the supporting chain wheel is provided with a second protruding structure, and the second protruding structure is matched with the chain link groove of the crawler belt.
According to one embodiment of the invention, threaded holes are formed in two end faces of the wheel shaft assembly of the supporting chain wheel, through holes corresponding to the threaded holes are formed in the pair of side plates, and the supporting chain wheel is fixedly connected with the side plates through bolts inserted into the threaded holes and the through holes.
The working machine provided by the invention comprises the crawler chassis wheel train structure in any embodiment.
The beneficial effects are that:
1. according to the crawler chassis wheel train structure, the top of the supporting chain wheel is matched with the upper ring part of the crawler belt, the bottom of the supporting chain wheel is matched with the lower ring part of the crawler belt, the diameter of the supporting chain wheel is large, the torque of the crawler belt acting on the supporting chain wheel is increased, and therefore the problem that the supporting chain wheel is prevented from rotating can be avoided. In addition, the supporting chain wheel is subjected to the friction force action of the upper ring part and the lower ring part of the crawler belt simultaneously, the rotation power source is increased, and the supporting chain wheel is larger in friction force between the supporting chain wheel and the lower ring part of the crawler belt due to the fact that the supporting chain wheel bears the weight of the whole machine, namely the power for driving the supporting chain wheel to rotate is larger, so that the supporting chain wheel is prevented from rotating and causing faults.
2. The stop surface that shaft subassembly tip set up and the fixed first protruding structure that sets up in curb plate inboard cooperate, can guarantee that curb plate and shaft subassembly are static relatively to the shaft subassembly does not rotate, also can prevent that the end cover from skidding the rotation in installation and use.
3. The second bulge structure that the chain wheel circumference was held in the palm to the branch sets up is with the inboard looks butt of the open gear of each track chain link, and the upper and lower tip that holds in the palm the chain wheel all cooperates with the track, can increase the upper and lower ring portion and the connection strength that holds in the palm the chain wheel to the branch, avoids the track to take place the problem of horizontal slip and drop.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the arrangement of the crawler chassis wheel train provided by the invention with the shell removed;
FIG. 2 is a schematic diagram of the overall arrangement of the crawler chassis wheel train provided by the invention;
FIG. 3 is a schematic view of the assembly relationship between the support sprocket and the track provided by the present invention;
FIG. 4 is a schematic view of a housing structure provided by the present invention;
FIG. 5 is a schematic diagram of the full sectional construction of the support sprocket provided by the present invention;
FIG. 6 is a schematic view of a support sprocket provided by the present invention;
reference numerals:
1. a track; 2. a support chain wheel; 3. a guide wheel; 4. a thrust wheel; 5. a driving wheel; 6. a bolt; 7. a housing; 11. an upper ring portion; 12. a lower ring portion; 21. a wheel body; 22. an oil seal; 23. a stop surface; 24. a threaded hole; 25. a shaft body; 26. an end cap; 71. a through hole; 72. a first bump structure; 73. an opening; 74. a side plate; 75. and a top plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The present invention will be specifically described with reference to the following embodiments.
In some embodiments of the present invention, as shown in fig. 1 to 6, the crawler chassis train structure includes a chassis body, a guiding wheel 3, a driving wheel 5, a supporting sprocket 2 and a crawler 1, the chassis body is located at the bottom of the vehicle body, the crawler 1 may be disposed at two sides of the chassis body or completely around the chassis body, the crawler 1 is annular and composed of a plurality of links, the crawler 1 is disposed around the guiding wheel 3 and the driving wheel 5, and inner sides of two ends of the annular crawler 1 are respectively matched with one end outside the guiding wheel 3 and one end outside the driving wheel 5; the guiding wheel 3 and the driving wheel 5 are respectively and rotatably arranged at two ends of the chassis body, wherein the guiding wheel 3 is rotatably arranged at one end of the chassis body, which is close to the forward moving direction of the chassis gear train, the guiding wheel 3 is circumferentially provided with gear teeth matched with chain links of the crawler belt 1, the guiding wheel 3 is in running fit with the crawler belt 1 through the gear teeth and is used for guiding the rotating direction of the crawler belt 1, the driving wheel 5 is rotatably arranged at one end of the chassis body, which is far away from the forward moving direction of the chassis gear train, the guiding wheel 3 is circumferentially provided with gear teeth matched with the chain links of the crawler belt 1, and the driving wheel 5 is in running fit with the crawler belt 1 through the gear teeth and is used for driving the chassis gear train to move relative to the ground.
Further, the supporting chain wheel 2 is rotatably arranged on the chassis body, the supporting chain wheel 2 is detachably connected on the chassis body, the supporting chain wheel 2 is positioned between the guide wheel 3 and the driving wheel 5, the circumferential outer end of the supporting chain wheel 2 is matched with the upper ring part 11 and the lower ring part 12 of the crawler belt 1, the circumferential edge of the supporting chain wheel 2 is provided with a second bulge structure, the supporting chain wheel 2 is matched with the crawler belt 1 through the second bulge structure, the second bulge structure is embedded in the open gear of each crawler belt 1 chain link and is propped against the open gear inner side of each crawler belt 1 chain link for increasing the connection strength of the crawler belt 1 and the supporting chain wheel 2, the crawler belt 1 is prevented from sliding transversely, dislocation and falling off between the supporting chain wheel 2 and the crawler belt 1 are further prevented, the upper end part and the lower end part of the supporting chain wheel 2 are respectively matched with the inner sides of the upper ring part 11 and the lower ring part 12 of the crawler belt 1, the supporting chain wheel is used for driving the supporting chain wheel 2 to rotate through rotation of the crawler belt 1, the upper end part of the supporting chain wheel 2 is further used for supporting the upper ring part 11 of the supporting crawler belt 1 when being matched with the rotation of the crawler belt 1, and the lower end part of the supporting chain wheel 2 is further used for supporting and sharing partial pressure born by a chassis body when being matched with the rotation of the crawler belt 1.
So set up, prop up the weight of the complete machine not only can be shared to the heavy sprocket 2, can also play the effect of supporting track 1, prevent track 1 warp, the function utility and the centralization degree of propping up the sprocket 2 have been improved, realize that a wheel structure has multiple use, simultaneously, thereby prop up the sprocket 2 diameter great and its starting moment is little, reduce the energy consumption, in addition, because prop up the sprocket 2 and receive the upper loop portion 11 of track 1 and the friction effect of lower loop portion 12 simultaneously, prop up the sprocket 2 rotation power source and increase, and prop up the sprocket 2 because bear the complete machine weight great, prop up the sprocket 2 friction force between the lower loop portion 12 of sprocket 2 friction force and track 1 promptly prop up the sprocket 2 rotation power big, prop up the sprocket 2 starting moment and rotation power big can prevent to take place to prop up the sprocket 2 and not rotate the trouble that causes.
Further, the support sprocket 2 is located between the guide wheel 3 and the driving wheel 5, the support sprocket 2 is also located in the annular cavity of the track 1, and the longitudinal section at the center of the support sprocket 2 is located in the same plane as the longitudinal section of the track 1.
The manner in which the support sprocket 2 is detachably connected to the chassis body according to an embodiment of the present invention includes, but is not limited to, bolting 6, snapping, etc., the connection being determined by the relationship between the specific structures, which is not particularly limited herein.
As shown in fig. 2 to 4, in one embodiment, the housing 7 is disposed on the chassis body, and the housing 7 is detachably connected to the chassis body, the housing 7 includes a pair of side plates 74 and a top plate 75, the pair of side plates 74 are opposite to the center position of the supporting sprocket 2 and are disposed at intervals, the pair of side plates 74 are correspondingly disposed at two sides of the supporting sprocket 2, the pair of side plates 74 are symmetrically disposed at two sides of the supporting sprocket 2, two sides of the top plate 75 are fixedly connected with the pair of side plates 74, the top plate 75 is higher than the pair of side plates 74, the supporting sprocket 2 is higher, an opening 73 through which the supporting sprocket 2 extends is disposed at the top of the top plate 75, notches are symmetrically disposed at the bottoms of the pair of side plates 74 for the supporting sprocket 2 to be rapidly matched with the inner side of the housing 7, the pair of side plates 74 and the top plate 75 are both provided with mounting holes, the housing 7 is fixedly connected to the chassis body through the mounting holes on the top plate 75, and two ends of the axle assembly of the supporting sprocket 2 are detachably connected with the pair of side plates 74 through the mounting holes, respectively.
As shown in fig. 5 and 6, in one embodiment, the axle assembly includes an axle body 25, an end cover 26 and an oil seal member 22, the axle body 25 is a circular axle, the axle section with the largest diameter in the axle body 25 is a first axle section, a mounting hole in rotation fit with the first axle section of the axle body 25 is provided at the center of the wheel body 21 of the support sprocket 2, and the wheel body 21 of the support sprocket 2 is rotatably sleeved on the outer circumference of the axle body 25 through the mounting hole.
Further, the number of the end covers 26 is two, the end covers 26 are respectively and fixedly connected to two ends of the shaft body 25, the end covers 26 are fixedly connected with the shaft body 25, the end covers 26 and the shaft body 25 are guaranteed to be relatively static, sealing rings are arranged between the end covers 26 and the shaft body 25 and used for sealing lubricating oil in the wheel shaft assembly, the end covers 26 are rotatably connected with the wheel body 21, the end covers 26 and the wheel body 21 can relatively rotate, and an oil sealing piece 22 is arranged between the end covers 26 and the wheel body 21 for sealing.
Specifically, the manner of fixing the end cap 26 to the shaft body 25 may be a pin connection or a key connection by a through hole pin, and the manner of fixing is determined by combining the specific structure, which is not particularly limited herein.
In a further embodiment, an anti-rotation structure is provided between at least one end of the axle assembly and the side plate 74 for preventing rotation of the axle assembly relative to the side plate 74.
Further, the anti-rotation structure comprises a stop surface 23 and a first protrusion structure 72, wherein the stop surface 23 is arranged at the end part of the wheel axle assembly, more specifically, the stop surface 23 is arranged at an inner concave notch on the outer side of at least one end cover 26, the first protrusion structure 72 is fixedly arranged on the inner side of the side plate 74, and the first protrusion structure 72 is abutted against and matched with the stop surface 23 for preventing the end cover 26 from slipping and rotating during installation and use, and also preventing the wheel axle assembly from rotating. The first projection 72 is fixed in position when the support sprocket 2 is mounted, and the arrangement of the stop surface 23 and the first projection 72 is also used to position the mounting position of the support sprocket 2.
Specifically, the outer surface of the first projection 72 conforms to the stop surface 23, and the shape of the first projection 72 includes, but is not limited to, rectangular, etc., and is not specifically limited herein.
In one embodiment, the support sprocket 2 is fixedly connected to the housing 7, and in particular, the axle assembly of the support sprocket 2 is fixedly connected to the side plates 74.
Further, screw holes 24 are provided in axial direction on both end surfaces of the wheel shaft assembly of the support sprocket 2, through holes 71 corresponding to the screw holes 24 are provided on both side plates 74, and the support sprocket 2 is fixedly connected to the side plates 74 by bolts 6 inserted into the screw holes 24 and the through holes 71.
So set up, the curb plate 74 of casing 7 is through fixed connection in chassis body and prop up the shaft subassembly of heavy support sprocket 2, connects two fixed points on the curb plate 74 and can not rotate, and first protruding structure 72 and stop surface 23 looks butt and complex setting can guarantee that curb plate 74 and shaft subassembly are static relatively to the shaft subassembly does not rotate.
In one embodiment, the number of the support sprockets 2 is set to include, but not limited to, two, and at least two support sprockets 2 are sequentially disposed between the guide wheel 3 and the driving wheel 5, the number of the support sprockets 2 is not limited herein, and the actual requirements are in order.
Specifically, at least two support sprockets 2 are symmetrically arranged along the middle position of the endless track 1, and when the number of support sprockets 2 is an odd number, one of the support sprockets 2 is arranged at a corresponding position in the middle of the track 1 in the transverse direction.
In one embodiment, the number of the thrust wheels 4 is plural, the lower ends of the thrust wheels 4 are sequentially in running fit with the lower ring part 12 of the crawler belt 1, and the thrust wheels 4 are correspondingly distributed on two sides of the thrust support sprocket 2.
In one embodiment, the outer circumferential surface of the wheel body 21 of the supporting sprocket 2 is provided with a second protruding structure in a circumferential direction, and the second protruding structure abuts against and cooperates with the inner side of the link groove of the track 1, specifically, the second protruding structure may be provided as an irregularly shaped boss or the like, and the specific shape is not limited herein.
The embodiment of the invention also provides a working machine, which comprises the crawler chassis gear train structure in any embodiment, and comprises a chassis body, guide wheels 3, driving wheels 5, a support chain wheel 2 and a crawler 1, wherein in the moving process of the working machine, the crawler 1 is subjected to the action of the driving wheels 5 to move, the support chain wheel 2 is contacted with an upper ring part 11 and a lower ring part 12 of the crawler 1, the support chain wheel 2 follows rotation, the support chain wheel 2 can share the weight of the whole machine, the function of supporting the crawler 1 can also be realized, the deformation of the crawler 1 is prevented, the functional utility and the concentration of the support chain wheel 2 are improved, the wheel structure has multiple purposes, meanwhile, the support chain wheel 2 is driven to have small starting force required in the process of converting from static to moving due to larger diameter, so that the starting moment of the support chain wheel 2 is small, the energy consumption is reduced, in addition, the support chain wheel 2 is simultaneously subjected to the action of two friction forces of the upper ring part 11 and the lower ring part 12 of the crawler 1, the rotation power source is increased, the support chain wheel 2 bears the large bearing weight, namely the support chain wheel 2 is not subjected to large friction force of the support chain wheel 2, and the rotation power 2 is prevented from being caused by large failure of the support chain wheel 2.
The working process of the invention is explained by the crawler chassis gear train structure of the embodiment of the invention, the driving wheel 5 in the crawler chassis gear train is driven by a power source, the driving wheel 5 is driven by a rotating force, the driving wheel 5 moves from a static trend, the gear teeth on the circumference of the driving wheel 5 are matched with grooves among links of the crawler belt 1, the crawler belt 1 is driven by the driving force given on the driving wheel 5, and the crawler belt 1 moves from the static trend. The inter-link grooves of the crawler belt 1 cooperate with the second protrusion structures of the support sprocket 2, and the support sprocket 2 is subjected to the driving force and friction force from the driving wheel 5, and the support sprocket 2 also tends to move from rest. The guiding wheel 3 is driven by the track 1 from a static state to a moving state, and the guiding wheel 3 is used for guiding the movement of the chain links of the track 1 after being started and can be used for supporting the track 1. When the driving force applied on the driving wheel 5 by the power source to be driven is large enough, and the acting force applied on the driving wheel 5, the guide wheel 3 and the supporting sprocket 2 by the crawler belt 1 can simultaneously meet the minimum starting moment of the driving wheel 5, the guide wheel 3 and the supporting sprocket 2, the driving wheel 5, the guide wheel 3 and the supporting sprocket 2 start to rotate towards the preset rotating direction, and the vehicle body starts to move.
The embodiment of the invention overcomes the defects that the traditional support chain wheel has high self-starting moment and is easy to generate mud blockage and not rotating, overcomes the defects that the support chain wheel needs to be lifted to obtain larger rotating moment and the chassis is high, realizes multiple purposes, can bear load and support chains, improves the functional utility and the functional concentration of the support chain wheel 2, and greatly reduces the self-starting moment compared with the traditional support chain wheel, so that the support chain wheel 2 does not need to be lifted to have low height of the whole vehicle and the chassis, and the arrangement of the support chain wheel 2 greatly increases the rotating power of the support chain wheel 2.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The crawler chassis wheel train structure is characterized by comprising a chassis body, guide wheels (3), driving wheels (5), a supporting chain wheel (2) and a crawler belt (1); wherein,,
the guide wheels (3) and the driving wheels (5) are respectively and rotatably arranged at two ends of the chassis body, and the crawler belt (1) surrounds the guide wheels (3) and the driving wheels (5);
the supporting chain wheel (2) is rotatably arranged on the chassis body, the supporting chain wheel (2) is positioned between the guide wheel (3) and the driving wheel (5), the top of the supporting chain wheel (2) is matched with the upper ring part (11) of the crawler belt (1), and the bottom of the supporting chain wheel (2) is matched with the lower ring part (12) of the crawler belt (1), so that the crawler belt (1) drives the supporting chain wheel (2) to rotate.
2. The crawler chassis train configuration according to claim 1, further comprising a housing (7) provided on the chassis body, the housing (7) comprising:
a pair of side plates (74), wherein the side plates (74) are arranged at intervals, and the side plates (74) correspond to each other;
a top plate (75) connected to the pair of side plates (74);
the two ends of the wheel shaft assembly of the supporting chain wheel (2) are respectively connected with a pair of side plates (74), and the top plate (75) is provided with an opening (73) for the supporting chain wheel (2) to extend out.
3. The crawler chassis train configuration of claim 2 wherein said axle assembly comprises:
the shaft body (25), the wheel body (21) of the supporting chain wheel (2) is rotatably sleeved on the periphery of the shaft body (25);
end covers (26) which are arranged in a pair and are respectively fixedly connected with two ends of the shaft body (25); wherein,,
an oil seal (22) is arranged between the end cover (26) and the wheel body (21).
4. A crawler chassis train configuration according to claim 2 or 3, wherein an anti-rotation structure is provided between at least one end of the axle assembly and the side plate (74), the anti-rotation structure being adapted to prevent rotation of the axle assembly relative to the side plate (74).
5. The crawler chassis train configuration of claim 4, wherein the anti-rotation mechanism comprises:
a stop surface (23) provided at an end of the axle assembly;
a first projection arrangement (72) fixedly provided on the side plate (74), the first projection arrangement (72) abutting against the stop surface (23) to prevent rotation of the axle assembly.
6. Crawler chassis wheel train structure according to claim 1, characterized in that the number of the support sprockets (2) is at least two, and that at least two of the support sprockets (2) are arranged in sequence between the guide wheels (3) and the driving wheels (5).
7. The crawler chassis wheel train structure according to claim 1, further comprising a plurality of thrust wheels (4), wherein the plurality of thrust wheels (4) are arranged, the plurality of thrust wheels (4) are sequentially matched with the lower ring part (12) of the crawler belt (1), and the plurality of thrust wheels (4) are distributed on two sides of the thrust support sprocket wheel (2).
8. The crawler chassis wheel train structure according to claim 1, wherein the outer circumferential surface of the wheel body (21) of the supporting sprocket wheel (2) is provided with a second protruding structure, and the second protruding structure is matched with a chain link groove of the crawler belt (1).
9. The crawler chassis gear train structure according to claim 2, wherein threaded holes (24) are provided on both end surfaces of the axle assembly of the supporting sprocket (2), the pair of side plates (74) are provided with through holes (71) corresponding to the threaded holes (24), and the supporting sprocket (2) is fixedly connected with the side plates (74) through bolts (6) inserted into the threaded holes (24) and the through holes (71).
10. A work machine comprising a crawler chassis train arrangement according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310163820.1A CN116062052A (en) | 2023-02-24 | 2023-02-24 | Crawler chassis gear train structure and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310163820.1A CN116062052A (en) | 2023-02-24 | 2023-02-24 | Crawler chassis gear train structure and working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116062052A true CN116062052A (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310163820.1A Pending CN116062052A (en) | 2023-02-24 | 2023-02-24 | Crawler chassis gear train structure and working machine |
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| Country | Link |
|---|---|
| CN (1) | CN116062052A (en) |
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2023
- 2023-02-24 CN CN202310163820.1A patent/CN116062052A/en active Pending
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