CN210478859U - Crawler chassis and vehicle - Google Patents
Crawler chassis and vehicle Download PDFInfo
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- CN210478859U CN210478859U CN201921560257.7U CN201921560257U CN210478859U CN 210478859 U CN210478859 U CN 210478859U CN 201921560257 U CN201921560257 U CN 201921560257U CN 210478859 U CN210478859 U CN 210478859U
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- crawler
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Abstract
The utility model discloses a crawler chassis and vehicle, including the chassis main part, the subassembly that traveles of setting in chassis main part both sides and the drive arrangement who is used for driving the subassembly operation, the subassembly that traveles is including setting up action wheel and the leading wheel at both ends around the chassis main part, a plurality of thrust wheels of setting between action wheel and leading wheel, around establishing the track between action wheel and leading wheel, the track tensioning is between action wheel and leading wheel, it is rotatory that the drive track is connected with the track transmission to the action wheel, the thrust wheel is located the below position of action wheel and leading wheel, the bottom sprag of thrust wheel is on the track, drive arrangement is the in-wheel motor who sets up at the action wheel inside, in-wheel motor directly sets up the drive action wheel rotation in the action wheel, traditional drive mode's transmission route has been simplified, make mechanical structure simpler.
Description
Technical Field
The utility model belongs to the technical field of the athey wheel drive technique and specifically relates to a crawler chassis and vehicle is related to.
Background
The crawler traveling mechanism is widely applied to field operation vehicles such as engineering machinery, tractors and the like, and the traveling mechanism is required to have enough strength and rigidity and good traveling and steering capacity due to poor traveling conditions. The crawler belt is in contact with the ground, and the driving wheel is not in contact with the ground. When the motor drives the driving wheel to rotate, the driving wheel continuously rolls up the crawler belt from the rear under the action of the driving torque of the speed reducer through the meshing between the gear teeth on the driving wheel and the crawler belt chain, the part of the crawler belt in contact with the ground provides a backward acting force to the ground, the ground correspondingly provides a forward acting force to the crawler belt, the reaction is a driving force for pushing the machine to run forwards, and when the driving force is enough to overcome the running resistance, the supporting wheels roll forwards on the upper surface of the crawler belt, so that the machine runs forwards.
The general crawler running mechanism adopts a mechanical transmission that a hydraulic motor speed reducer drives a driving wheel to rotate, the hydraulic motor needs hydraulic oil as a power transmission medium, the requirement on a hydraulic system is high, the transmission efficiency is low, some existing crawler running mechanisms adopt a motor speed reducer to drive the driving wheel to rotate, the transmission mode efficiency is higher than that of a hydraulic mode, but the transmission mode is limited by the characteristics of a common motor, and the speed reduction and the torque increase are needed through the speed reducer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a crawler chassis and vehicle to solve among the prior art crawler travel mechanism and need use the speed reducer to slow down and increase the torsion and lead to the complicated problem of power transmission route through motor drive.
The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses a first aspect provides a crawler chassis, include:
a chassis main body;
the driving components are arranged on two sides of the chassis main body and comprise a driving wheel, a guide wheel, a plurality of thrust wheels and a crawler belt, the driving wheel and the guide wheel are respectively and rotatably arranged at the front end and the rear end of the chassis main body, the crawler belt is wound between the driving wheel and the guide wheel and is in transmission connection with the driving wheel, the plurality of thrust wheels are rotatably arranged on the chassis main body and are positioned between the driving wheel and the guide wheel, the bottom ends of the thrust wheels are lower than the bottom ends of the driving wheel and the guide wheel, and the thrust wheels are supported at the top ends of the parts of the crawler belt, which are in contact with the ground;
the driving device is used for driving the driving wheel to rotate and comprises a hub motor arranged inside the driving wheel.
Preferably, the hub motor is an external rotor motor.
Preferably, the outer rotor motor comprises a stator and a rotor, the stator is fixedly connected with the chassis main body, the rotor is arranged outside the stator, the stator and the rotor are rotatably connected at the center of one side far away from the chassis main body, and the outside of the rotor is fixedly connected with the driving wheel.
Preferably, the stator includes stator core and a plurality of stator winding, stator core's center with chassis main part fixed connection, it is a plurality of stator winding sets up stator core's edge just follows stator core's circumference interval distribution.
Preferably, the rotor comprises a housing, a permanent magnet outer rotor magnetic yoke arranged on the inner side of the housing, and a plurality of permanent magnets arranged on the inner side of the permanent magnet outer rotor magnetic yoke, wherein the plurality of permanent magnets are circumferentially distributed at intervals along the inner side of the permanent magnet outer rotor magnetic yoke.
Preferably, the action wheel outside is provided with the external tooth, the track inboard is provided with the internal tooth, the action wheel with pass through between the track the internal tooth with the external tooth meshing transmission.
Preferably, a belt supporting wheel is further arranged on the side face of the chassis main body between the driving wheel and the guide wheel, the belt supporting wheel is rotatably connected with the chassis main body, and the top end of the belt supporting wheel is supported on the inner side of the crawler.
Preferably, one side of the cover shell, which is close to the chassis main body, is provided with a brake disc, and the brake disc is provided with brake calipers.
Preferably, a cushioning device is arranged between the thrust wheel and the chassis main body.
The second aspect of the utility model provides a vehicle, including the automobile body and with body connection's crawler chassis, crawler chassis be above arbitrary crawler chassis.
The utility model discloses a pair of crawler chassis that first aspect provided, its beneficial effect is:
the utility model provides a track chassis that first aspect provides, including the chassis main part, the subassembly of traveling and the drive arrangement who is used for driving the subassembly moving of traveling that set up in the chassis main part left and right sides, the subassembly of traveling includes the action wheel, the guide wheel, thrust wheel and track, action wheel and guide wheel set up respectively in the front and back both ends of chassis main part, the track is around establishing between action wheel and guide wheel, and the transmission is connected between action wheel and the track, a plurality of thrust wheels set up between action wheel and guide wheel, the bottom of thrust wheel is less than the bottom of action wheel and guide wheel, the thrust wheel supports the top of the part that the track contacted with ground, foretell action wheel, the guide wheel, the thrust wheel all rotates with the chassis main part to be connected, above-mentioned drive arrangement is the in-wheel motor who sets up in the action wheel, in-wheel motor direct mount is in the action wheel, in-wheel motor, a large number of transmission parts are omitted, and the mechanical structure is simplified, so that the transmission efficiency is higher.
The utility model discloses a vehicle that the second aspect provided, its beneficial effect is:
the utility model discloses a vehicle that the second aspect provided, including automobile body and the track chassis that drives the automobile body and remove, this track chassis is above track chassis, direct mount in the action wheel in this track chassis, in-wheel motor's rotating part and action wheel lug connection have saved a large amount of transmission spare parts, have simplified mechanical structure to it is higher to make transmission efficiency.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of a driving wheel according to an embodiment of the present invention;
FIG. 2 is a front view of a track chassis according to an embodiment of the present invention;
figure 3 is a schematic top view of a track chassis according to an embodiment of the present invention.
In the figure: 1. a chassis main body; 2. a driving wheel; 3. a guide wheel; 4. a thrust wheel; 5. a crawler belt; 6. a stator core; 7. a stator winding; 8. a housing; 9. a permanent magnet outer rotor magnetic yoke; 10. a permanent magnet; 11. an outer tooth; 12. internal teeth; 13. a belt supporting wheel; 14. a brake disc; 15. a brake caliper; 16. a cushioning device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 3, a first aspect of the present invention provides a crawler chassis, including a chassis main body 1, driving components disposed at both sides of the chassis main body 1, and a driving device for driving the driving components to operate, each driving component may include a driving wheel 2, a guiding wheel 3, a plurality of thrust wheels 4 and a crawler 5, the driving wheel 2 and the guiding wheel 3 are respectively disposed at front and rear ends of one side of the chassis main body 1, for example, the driving wheel 2 may be disposed at a rear end of a forward direction of the chassis main body 1, the guiding wheel 3 is disposed at a front end, the driving wheel 2 and the guiding wheel 3 may be disposed at a top end of one side of the chassis main body 1, the plurality of thrust wheels 4 are rotatably connected to the chassis main body 1, a line between axes of the plurality of thrust wheels 4 may be parallel to the ground, the plurality of thrust wheels 4 may be disposed at a bottom end of one side of the chassis main body 1, a bottom end of the thrust wheels 4 is lower than bottom ends, track 5 bypasses action wheel 2, end to end connection behind thrust wheel 4 and the leading wheel 3, the tensioning of track 5 is between action wheel 2 and leading wheel 3, thrust wheel 4 supports the top at the part of track 5 and ground contact, can be gear rack connection structure between track 5 and the action wheel 2, can realize the transmission at the middle part of 5 width direction of track and connect, thrust wheel 4 can support the both sides at 5 medial surfaces of track, foretell drive arrangement can be for setting up the in-wheel motor in action wheel 2 inside, this in-wheel motor can be external rotor motor, external rotor motor rotational speed is low, the moment of torsion is big, it is rotatory to need not decelerator direct drive action wheel 2, mechanical structure has been simplified greatly.
The outer rotor motor comprises a stator and a rotor, the stator is fixedly connected with a chassis body 1, a connecting rod can be arranged on the chassis body 1, one end of the connecting rod is fixedly connected with the chassis body 1, the other end of the connecting rod extends outwards in the direction far away from the chassis body 1, the center of one end, close to the chassis body 1, of the stator is fixedly connected with the extending end of the connecting rod, the rotor is arranged on the outer side of the stator, the centers of the rotor and the stator on one side far away from the chassis body 1 can be rotatably connected through a bearing, the rotor can rotate around the stator on the outer side of the stator, the outer side of the rotor can be fixedly connected with the inner side face of a driving wheel 2, and.
The stator can comprise a stator core 6 and stator windings 7, the center of the stator core 6 is fixedly connected with the overhanging end of the connecting rod, the stator windings 7 are arranged at the edge position of the stator core 6, and the plurality of stator windings 7 are arranged at intervals along the circumferential direction of the stator core 6; the rotor includes housing 8, the setting is at 8 inboard permanent magnetism external rotor yokes 9 of housing, a plurality of permanent magnets 10 of setting in 9 inboards of permanent magnetism external rotor yokes, a plurality of permanent magnets 10 are along the medial surface circumference evenly distributed of permanent magnetism external rotor yokes 9, the lateral wall of housing 8 and the inside wall fixed connection of action wheel 2, for example, can be bolted connection, after stator winding 7 circular telegrams, the rotor can be rotatory around the stator under the effect of magnetic force, thereby drive action wheel 2 and rotate.
It is mentioned above that the driving wheel 2 and the crawler 5 may be in a rack and pinion type, and the driving wheel 2 may be provided with external teeth 11 on an outer side thereof, the crawler 5 may be provided with a plurality of internal teeth 12 at a center position thereof in a width direction thereof along an extending direction of the crawler 5, and the external teeth 11 on the driving wheel 2 are in mesh transmission with the internal teeth 12 on the crawler 5.
Because track 5 weight is great, in order to prevent to rotate the flagging of track 5 of top, can set up riding wheel 13 on chassis main part 1 between action wheel 2 and leading wheel 3, the position that sets up riding wheel 13 at chassis main part 1 is provided with the connecting rod that extends to the direction of keeping away from chassis main part 1, connecting rod one end and chassis main part 1 fixed connection, the other end is provided with the bearing, riding wheel 13 passes through the bearing and is connected with the connecting rod, the top support of riding wheel 13 is in the inboard of the track 5 that is located the top, be used for supporting track 5, prevent that track 5 from flagging, reduce the running resistance.
Still be provided with arresting gear on this subassembly of traveling, arresting gear can be including brake disc 14 and brake caliper 15, above-mentioned housing 8 can wrap up in the outside of stator, one side center that chassis main part 1 was kept away from to housing 8 passes through the bearing with the stator and is connected, one side that housing 8 is close to chassis main part 1 can extend to chassis main part 1's direction, the extension section parcel is in the connecting rod outside of being connected with the stator, can realize rotating with the connecting rod through the bearing and be connected, foretell brake disc 14 can set up the tip at the extension section, brake disc 14 passes through the bearing with the connecting rod and realizes swivelling joint, brake caliper 15 sets up in the both sides of brake disc 14 and in one side and connecting rod fixed connection that is close to chassis main part 1, when needs are stopped, step on brake pedal, brake caliper 15 presss from both sides brake disc 14 and realizes braking under the effect of hydraulic.
In order to reduce the impact of the ground on the chassis body 1, a shock absorber 16 may be disposed between the chassis body 1 and the thrust wheel 4, for example, hydraulic shock absorber, one end of the hydraulic shock absorber is fixedly connected to the chassis body 1, and the other end is connected to the thrust wheel 4.
A power supply assembly is further arranged in the crawler chassis, for example, the power supply assembly can be a storage battery and is electrically connected with a hub motor in the driving wheel to supply power to the driving wheel.
The utility model discloses a vehicle that the second aspect provided, including the automobile body and with the body coupling just be used for driving the track chassis of automobile body motion, this track chassis is above track chassis, track chassis's drive wheel passes through in-wheel motor drive, has simplified a large amount of mechanical structure.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A track chassis, comprising:
a chassis main body (1);
the driving assemblies are arranged on two sides of the chassis main body (1) and comprise a driving wheel (2), a guide wheel (3), a plurality of thrust wheels (4) and a crawler (5), the driving wheel (2) and the guide wheel (3) are respectively and rotatably arranged at the front end and the rear end of the chassis main body (1), the crawler (5) is wound between the driving wheel (2) and the guide wheel (3) and is in transmission connection with the driving wheel (2), the plurality of thrust wheels (4) are rotatably arranged on the chassis main body (1) and are positioned between the driving wheel (2) and the guide wheel (3), the bottom ends of the thrust wheels (4) are lower than the bottom ends of the driving wheel (2) and the guide wheel (3), and the thrust wheels (4) are supported at the top end of the part, in contact with the ground, of the crawler (5);
the driving device is used for driving the driving wheel (2) to rotate and comprises a hub motor arranged inside the driving wheel (2).
2. The track chassis of claim 1, wherein the hub motor is an external rotor motor.
3. A crawler chassis according to claim 2, wherein the external rotor motor comprises a stator and a rotor, the stator is fixedly connected with the chassis body (1), the rotor is arranged outside the stator, the stator and the rotor are rotatably connected at the center of one side far away from the chassis body (1), and the outside of the rotor is fixedly connected with the driving wheel (2).
4. A crawler chassis according to claim 3, wherein the stator comprises a stator core (6) and a plurality of stator windings (7), the center of the stator core (6) is fixedly connected with the chassis body (1), and the plurality of stator windings (7) are arranged at the edge of the stator core (6) and are distributed at intervals along the circumferential direction of the stator core (6).
5. A crawler chassis according to claim 3, wherein the rotor comprises a housing (8), a permanent magnet outer rotor yoke (9) arranged inside the housing (8), a plurality of permanent magnets (10) arranged inside the permanent magnet outer rotor yoke (9), the plurality of permanent magnets (10) being circumferentially spaced along the inside of the permanent magnet outer rotor yoke (9).
6. The crawler chassis according to claim 1, wherein the driving wheel (2) is provided with external teeth (11) on the outer side, the crawler (5) is provided with internal teeth (12) on the inner side, and the driving wheel (2) and the crawler (5) are in meshing transmission with the external teeth (11) through the internal teeth (12).
7. The crawler chassis according to claim 1, wherein a carrier roller (13) is further disposed on the side of the chassis body (1) between the driving wheel (2) and the guiding wheel (3), the carrier roller (13) is rotatably connected to the chassis body (1), and the top end of the carrier roller (13) is supported inside the crawler (5).
8. A track chassis according to claim 5, wherein a brake disc (14) is arranged on the side of the casing (8) close to the chassis body (1), and a brake caliper (15) is arranged on the brake disc (14).
9. A crawler chassis according to claim 1, wherein a shock absorber (16) is arranged between the track roller (4) and the chassis body (1).
10. A vehicle comprising a vehicle body and a tracked chassis connected to the vehicle body, wherein the tracked chassis is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560257.7U CN210478859U (en) | 2019-09-19 | 2019-09-19 | Crawler chassis and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921560257.7U CN210478859U (en) | 2019-09-19 | 2019-09-19 | Crawler chassis and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210478859U true CN210478859U (en) | 2020-05-08 |
Family
ID=70540753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921560257.7U Active CN210478859U (en) | 2019-09-19 | 2019-09-19 | Crawler chassis and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210478859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2150354A1 (en) * | 2021-03-25 | 2022-09-26 | BAE Systems Hägglunds Aktiebolag | Track assembly for a tracked vehicle |
-
2019
- 2019-09-19 CN CN201921560257.7U patent/CN210478859U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2150354A1 (en) * | 2021-03-25 | 2022-09-26 | BAE Systems Hägglunds Aktiebolag | Track assembly for a tracked vehicle |
| WO2022203588A1 (en) * | 2021-03-25 | 2022-09-29 | BAE Systems Hägglunds Aktiebolag | Track assembly for a tracked vehicle |
| SE545227C2 (en) * | 2021-03-25 | 2023-05-30 | Bae Systems Haegglunds Ab | Track assembly for a tracked vehicle |
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