CN109927803B - Track system of movable heavy engineering machinery and engineering vehicle - Google Patents
Track system of movable heavy engineering machinery and engineering vehicle Download PDFInfo
- Publication number
- CN109927803B CN109927803B CN201910300172.3A CN201910300172A CN109927803B CN 109927803 B CN109927803 B CN 109927803B CN 201910300172 A CN201910300172 A CN 201910300172A CN 109927803 B CN109927803 B CN 109927803B
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- wheel
- outer edge
- track
- driving wheel
- crawler belt
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- B62D55/12—Arrangement, location, or adaptation of driving sprockets
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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
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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
- B62D55/18—Tracks
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Gears, Cams (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a crawler system of movable heavy engineering machinery and an engineering vehicle, wherein the crawler system comprises a crawler, a driving wheel, a guiding wheel, a plurality of supporting wheels and a plurality of supporting chain wheels; the crawler belt is composed of a plurality of crawler belt plates which are sequentially connected and form a closed loop; the driving wheel is arranged in the crawler belt and is positioned at the rear end of the crawler belt; the guide wheel is arranged in the crawler belt and is positioned at the front end of the crawler belt; the plurality of thrust wheels are arranged in the crawler at intervals and positioned at the lower part between the driving wheel and the guiding wheel; the plurality of support chain wheels are arranged in the crawler belt at intervals and positioned at the upper part between the driving wheel and the guiding wheel. The invention greatly optimizes the contact condition of the track shoe, the thrust wheel, the guide wheel and the raceway surface of the support chain wheel, the track can provide continuous support for the thrust wheel, the contact stress is smaller, the whole casting manufacturability is better, the total weight is lighter, and the invention is beneficial to improving the flexibility and the maneuverability of the whole machine under the condition of ensuring the reliability.
Description
Technical Field
The present invention relates to chassis parts for mobile machines, and in particular to a track system for a mobile heavy construction machine.
Background
Heavy engineering machinery used in industries such as mining, construction and the like often needs to traverse soft or loose mud or other materials and travel on even steep slopes in the construction process, and has very high requirements on factors such as climbing capacity, running stability and reliability of a running system. The pneumatic tire or pneumatic wheel is easy to be clamped or slipped, and the crawler-type running system becomes the first choice of the engineering machinery, wherein the crawler-type running system is a core component part and is a carrier for converting the driving force of a running motor into the running power of the whole machine. The reasonable cooperation of the crawler belt and the driving wheel in smooth engagement transmission and the thrust wheel is a key factor for the stable and reliable operation of the crawler belt running system.
At present, a track system for heavy engineering machinery often adopts a traditional structural form, and the problems of peeling, chipping and cracking caused by large contact stress of track shoe raceway surfaces, and the problems of breakage of driving teeth caused by insufficient rigidity and strength of a driving wheel and the like exist.
Disclosure of Invention
According to the defects of the prior art, the invention provides a track system of a movable heavy engineering machine, which is used for solving the defects in the prior art.
The invention is realized according to the following technical scheme:
a track system for a mobile heavy work machine, comprising:
the crawler belt is composed of a plurality of crawler belt plates which are connected in sequence and form a closed loop;
the driving wheel is arranged in the crawler belt and is positioned at the rear end of the crawler belt;
the guide wheel is arranged in the crawler belt and is positioned at the front end of the crawler belt;
the plurality of thrust wheels are arranged in the crawler at intervals and positioned at the lower part between the driving wheel and the guide wheel;
a plurality of support chain wheels which are arranged in the crawler at intervals and are positioned at the upper part between the driving wheel and the guiding wheel;
wherein, the track shoe includes:
a support portion including a raceway surface;
the traction part comprises a poking tooth and a plurality of convex pin lugs;
and the two side contours of the main body are matched with the pin lugs in the adjacent track shoes.
Further, the raceway surface of the track shoe is positioned above the pin lug and at two sides of the poking teeth, the raceway surface is an arc surface, and the two raceway surfaces are transversely staggered and parallel; the raceway surface is used for being matched with an outer edge surface I of the thrust wheel, an outer edge surface II of the driving wheel and an outer edge surface III of the guiding wheel; the contact surfaces of the arc-shaped raceway surface and the arc-shaped outer edge surface I, the arc-shaped outer edge surface II and the arc-shaped outer edge surface III are elliptical, and non-contact areas are reserved at two ends of the ellipse and two corresponding sides of the raceway surface.
Further, the shifting teeth are arranged at the central position of the upper part of the track plate and are used for meshed transmission traction with the gear teeth of the driving wheel; the whole poking tooth is in a quadrangular frustum shape with a large bottom and a small top, wherein the top surface of the poking tooth is connected with the meshing surface through an arc surface; the meshing surface of the shifting tooth is matched with the driving surface of the driving wheel, so that the transmission of the horizontal movement force is realized.
Further, the plurality of convex pin lugs are distributed on two sides of the track shoe at intervals in two rows and are rotationally symmetrical by 180 degrees about the center axis of the shifting tooth; the single-sided plurality of lugs project outwardly from the body portion profile and have pin bores for receiving the pins and connecting adjacent track shoes together, with the pin bores on the single side being centered.
Further, the driving wheel includes:
the wheel body comprises two outer edge surfaces II and a plurality of spokes;
the gear teeth are arranged between the two outer edge surfaces II, and the top of the gear teeth does not exceed the outer edge surfaces II;
the hub is provided with an internal spline and a floating seal mounting groove;
the spokes are hollow double-wall-shaped, a plurality of kidney-shaped mud discharging holes I are formed in two sides of the spokes and are arranged at intervals with the gear teeth, the spokes on two sides of the spokes are connected through a partition board, and the partition board is aligned with the center of the gear teeth respectively; the spoke is provided with a sinking groove at the outer side of the corresponding baffle plate.
Further, the arc radius value of the outer edge surface II of the driving wheel is not larger than the arc value of the raceway surface; the guide surface of the driving wheel is an inclined surface and is matched with the side surface of the shifting teeth, so that the track shoe and the driving wheel can smoothly enter the meshing position.
Further, the thrust wheel is dumbbell-shaped, and a middle cavity I between two outer edge surfaces I of the thrust wheel can accommodate shifting teeth of the track shoe to pass through; the arc radius value of the outer edge surface I is equal to the arc radius value of the outer edge surface II of the driving wheel.
Further, a middle cavity II between two outer edge surfaces III of the guide wheel can accommodate the shifting teeth of the track shoe to pass through; the radius value of the circular arc of the outer edge surface III is equal to that of the outer edge surface II of the driving wheel.
Further, a plurality of cavities are formed in the main body part, two adjacent cavities are communicated through holes, and the cavities on the left side and the right side are communicated with the outside through windows; a mud hole II is arranged on the main body part outside the raceway surface, and the mud hole II is communicated with a cavity in the main body part.
A work vehicle having a track system of the aforementioned mobile heavy work machine.
Compared with the prior art, the track shoe has the advantages that the contact conditions of the track shoe, the supporting wheel, the guide wheel and the raceway surface of the supporting chain wheel are greatly optimized, the track can provide continuous support for the supporting wheel, the contact stress is smaller, the whole casting manufacturability is better, the total weight is lighter, the flexibility and the maneuverability of the whole machine are improved under the condition of ensuring the reliability, and the track shoe is particularly suitable for heavy engineering machinery.
Drawings
FIG. 1 is a top perspective view of the track system of the present invention;
FIG. 2 is a top perspective view of a track shoe of the present invention;
FIG. 3 is a cross-sectional view of a track shoe and thrust wheel of the present invention in a lateral direction;
FIG. 4 is a front view of a guide wheel of the present invention;
FIG. 5 is a cross-sectional view of the engagement of the track with the drive wheel of the present invention;
FIG. 6 is a top perspective view of the drive wheel of the present invention;
FIG. 7 is a partial cross-sectional view of a drive wheel of the present invention;
FIG. 8 is an elevation view of the track roller surface in contact engagement with the wheel body rim in accordance with the present invention;
FIG. 9 is a top view of the contact mating surface of the track roller surface and the wheel rim of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention become more apparent, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a track system of a movable heavy construction machine comprises a track, a driving wheel 5, a guiding wheel 4, a plurality of supporting wheels 2 and 2-3 supporting chain wheels 3; the crawler belt is composed of a plurality of crawler belt plates 1 which are connected in sequence and form a closed loop; the driving wheel 5 is arranged in the crawler belt and is positioned at the rear end of the crawler belt; the guide wheel 4 is arranged in the crawler belt and is positioned at the front end of the crawler belt; the plurality of thrust wheels 2 are arranged in the crawler at intervals and positioned at the lower part between the driving wheel 5 and the guiding wheel 4; a plurality of carrier sprockets 3 are spaced apart within the track and located at an upper location between the drive wheel 5 and the guide wheel 4.
As shown in fig. 2, the track shoe 1 includes a support portion, a traction portion, and a body portion; the support portion includes a raceway surface 106; the traction part comprises a poking tooth 11 and a plurality of convex pin lugs; the body portion side profiles 101 mate with the pin lugs in adjacent track shoes.
With continued reference to fig. 2, the track shoe 1 has the track surfaces 106 above the pin 103 and on both sides of the tooth 11, and the track surfaces 106 are circular arc surfaces, and the two track surfaces 106 are arranged in parallel and laterally staggered.
As shown in fig. 8 and 9, the raceway surface 106 is configured to be engaged with the outer peripheral surface i 201 of the thrust wheel 2, the outer peripheral surface ii 501 of the driving wheel 5, and the outer peripheral surface iii 401 of the guide wheel 4; the contact surfaces of the arc-shaped raceway surface 106 and the arc-shaped outer edge surfaces I201, II 501 and III 401 are elliptical (namely an S1 area in the figure), non-contact areas (namely P3-P1 sections and P2-P4 sections in the figure) are reserved at the two ends of the ellipse (namely the S1 area in the figure) and the corresponding two sides of the raceway surface 106, and arc contact is used for replacing edge contact, so that the contact condition under uneven pavement is greatly improved, a good contact state can be kept all the time, and stress concentration caused by edge contact is avoided; in addition, continuous support of the crawler belt 1 on the thrust wheel 2 can be realized, contact stress is greatly reduced, and failure problems such as cracking and peeling of parts are reduced.
As shown in fig. 2 and 5, the shifting teeth 11 are arranged at the central position of the upper part of the track plate 1 and are used for meshing transmission traction with the gear teeth 502 of the driving wheel 5; the whole poking tooth 11 is in a quadrangular frustum shape with a large bottom and a small top, wherein the top surface 109 of the poking tooth 11 is connected with the meshing surface 110 through the cambered surface 108; the engagement surface 110 of the setting tooth 11 cooperates with the drive surface 502 of the drive wheel 5 to effect a translation force transmission.
The plurality of convex pin lugs are distributed on two sides of the track shoe 1 at intervals in two rows and are rotationally symmetrical by 180 degrees about the central axis of the shifting tooth 11; a plurality of pin lugs on one side project outwardly from the body portion profile 101, having pin bores 105 for receiving pin shafts and connecting adjacent track shoes 1 together, with the pin bores 105 on one side being centered. When the track shoe 1 is installed, the directions are not required to be distinguished, and human installation errors are avoided.
As shown in fig. 5, 6 and 7, the driving wheel 5 comprises a wheel body, gear teeth 502 and a hub 509, wherein the wheel body comprises two outer edge surfaces ii 501 and a plurality of spokes 506; the gear teeth 502 are arranged between the two outer edge surfaces II 501, the top of the gear teeth 502 does not exceed the outer edge surface II 501, the gear teeth 502 are ensured to only bear the walking driving force, the action of tension force in the crawler system is avoided, and the stress of the gear teeth 502 is optimized; hub 509 is provided with internal splines 504 and floating seal mounting slots 503.
The spokes 506 are hollow double-wall shaped, a plurality of kidney-shaped mud discharging holes I508 are formed in two sides of the spokes, the spokes are arranged at intervals with the gear teeth 502, the spokes 506 on two sides are connected through the partition plate 510, and the partition plates 510 are aligned with the centers of the gear teeth 502 respectively; the spokes 506 are provided with countersinks 507 on the outer sides of the corresponding separators 510. On one hand, the overall weight of the driving wheel is greatly reduced, on the other hand, the casting manufacturability and the hardenability are greatly improved, the mechanical property of the structure is ensured, meanwhile, the device has the function of a mud hole, and mud, sand and the like which are rolled in by the track shoe are timely discharged.
The arc radius value of the outer edge surface II 501 of the driving wheel 5 is equal to or slightly smaller than the arc value of the raceway surface 106, so that the contact state of the whole machine is kept good when the whole machine works or walks on an inclined plane;
the guiding surface 505 of the driving wheel 5 is an inclined surface, and is matched with the side surface 107 of the shifting tooth 11, so that the track plate 1 and the driving wheel 5 can smoothly enter into the meshing position.
As shown in fig. 3, the thrust wheel 2 is dumbbell-shaped, and a middle cavity i 202 between two outer edge surfaces i 201 of the thrust wheel 2 can accommodate the shifting teeth 11 of the track shoe 1 to pass through; the radius of the arc of the outer edge surface i 201 is equal to the radius of the arc of the outer edge surface ii 501 of the driving wheel 5.
As shown in fig. 4, a central cavity ii 402 between two outer edge surfaces iii 401 of the guide wheel 4 can accommodate the passage of the setting tooth 11 of the track plate 1; the radius of the arc of the outer edge surface iii 401 is equal to the radius of the arc of the outer edge surface ii 501 of the drive wheel 5.
As shown in fig. 1, the support sprocket 3 has a dumbbell shape, and a central cavity iii between two outer edge surfaces iv of the support sprocket 3 can accommodate the shifting teeth 11 of the track shoe 1.
As shown in fig. 1 and 2, a plurality of cavities are formed in the main body, two adjacent cavities are communicated through holes, and the cavities on the left side and the right side are communicated with the outside through a window 111; a mud hole ii 112 is provided in the main body portion outside the raceway surface 106, and the mud hole ii 112 communicates with the cavity in the main body portion. When the top of the caterpillar band is downward in the travelling process, mud, broken stone, rainwater and the like entering the internal cavity can be discharged, and meanwhile, the mud discharge hole II 112 can also be used as a lifting hole in the assembling process.
The track shoe has the advantages that the contact conditions of the track shoe, the supporting wheel, the guide wheel and the raceway surface of the supporting chain wheel are greatly optimized, the track can provide continuous support for the supporting wheel, the contact stress is smaller, the whole casting manufacturability is better, the total weight is lighter, the flexibility and the maneuverability of the whole machine are improved under the condition of ensuring the reliability, and the track shoe is particularly suitable for heavy engineering machinery.
The invention also provides an engineering vehicle, which is provided with the crawler belt system of the movable heavy engineering machine. The engineering vehicle comprises engineering machinery vehicles such as an excavator, a crane, a rotary drilling rig and the like.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (2)
1. A track system for a mobile heavy work machine, comprising:
a crawler belt which is composed of a plurality of crawler plates (1) which are connected in sequence and form a closed loop;
a driving wheel (5) which is arranged in the crawler belt and is positioned at the rear end of the crawler belt;
a guide wheel (4) which is arranged in the crawler belt and is positioned at the front end of the crawler belt;
a plurality of thrust wheels (2) which are arranged in the crawler at intervals and are positioned at the lower part between the driving wheel (5) and the guiding wheel (4);
a plurality of support chain wheels (3) which are arranged in the crawler at intervals and are positioned at the upper part between the driving wheel (5) and the guiding wheel (4);
wherein the track shoe (1) comprises:
a support portion including a raceway surface (106);
the traction part comprises a poking tooth (11) and a plurality of convex pin lugs;
the profile (101) on two sides of the main body part is matched with the pin lugs in the adjacent track shoes;
the track shoe (1) is characterized in that the track surfaces (106) are positioned above the pin lugs (103) and at two sides of the poking teeth (11), the track surfaces (106) are arc surfaces, and the two track surfaces (106) are transversely staggered and parallel;
the raceway surface (106) is used for being matched with an outer edge surface I (201) of the thrust wheel (2), an outer edge surface II (501) of the driving wheel (5) and an outer edge surface III (401) of the guiding wheel (4);
the contact surfaces of the raceway surface (106) with the arc surface, the outer edge surface I (201), the outer edge surface II (501) and the outer edge surface III (401) are elliptical, and non-contact areas are reserved at two ends of the ellipse and two corresponding sides of the raceway surface (106);
the shifting teeth (11) are arranged at the central position of the upper part of the track shoe (1) and are used for meshed transmission traction with gear teeth (502) of the driving wheel (5);
the whole poking tooth (11) is in a quadrangular frustum shape with a large bottom and a small top, wherein the top surface (109) of the poking tooth (11) is connected with the meshing surface (110) through the cambered surface (108);
the meshing surface (110) of the shifting tooth (11) is matched with the driving surface (502) of the driving wheel (5) to realize the transmission of the horizontal movement force;
the plurality of convex pin lugs are distributed at two sides of the track shoe (1) at intervals in two rows and are rotationally symmetrical at 180 degrees about the central axis of the poking tooth (11);
a plurality of pin lugs on one side protruding outwards from the main body part profile (101) and provided with pin holes (105) for accommodating pin shafts and connecting adjacent track shoes (1) together, and the centers of the pin holes (105) on one side are coincident;
the inside of the main body part is provided with a plurality of cavities, two adjacent cavities are communicated through holes, and the cavities on the left side and the right side are communicated with the outside through windows (111);
a mud hole II (112) is arranged on the main body part outside the raceway surface (106), and the mud hole II (112) is communicated with a cavity in the main body part;
the drive wheel (5) comprises:
the wheel body comprises two outer edge surfaces II (501) and a plurality of spokes (506);
the gear teeth (502), the gear teeth (502) are arranged between the two outer edge surfaces II (501), and the top of the gear teeth (502) does not exceed the outer edge surfaces II (501);
a hub (509), the hub (509) being provided with an internal spline (504) and a floating seal mounting groove (503);
the spokes (506) are hollow double-wall shaped, a plurality of kidney-shaped mud discharging holes I (508) are formed in two sides of the spokes, the spokes are arranged at intervals with the gear teeth (502), the spokes (506) on two sides are connected through the partition plates (510), and the partition plates (510) are aligned with the centers of the gear teeth (502) respectively; the spoke (506) is provided with a sinking groove (507) at the outer side of the corresponding baffle (510);
the arc radius value of the outer edge surface II (501) of the driving wheel (5) is not larger than the arc value of the raceway surface (106); the guide surface (505) of the driving wheel (5) is an inclined surface and is matched with the side surface (107) of the shifting tooth (11) to ensure that the track shoe (1) and the driving wheel (5) smoothly enter into the meshing position;
the thrust wheel (2) is dumbbell-shaped, and a middle cavity I (202) between two outer edge surfaces I (201) of the thrust wheel (2) can accommodate shifting teeth (11) of the track plate (1) to pass through;
the arc radius value of the outer edge surface I (201) is equal to the arc radius value of the outer edge surface II (501) of the driving wheel (5);
a middle cavity II (402) between two outer edge surfaces III (401) of the guide wheel (4) can accommodate the poking teeth (11) of the track plate (1) to pass through;
the radius of the arc of the outer edge surface III (401) is equal to the radius of the arc of the outer edge surface II (501) of the driving wheel (5).
2. An engineering vehicle, characterized in that: a track system having the mobile heavy work machine of claim 1.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300172.3A CN109927803B (en) | 2019-04-15 | 2019-04-15 | Track system of movable heavy engineering machinery and engineering vehicle |
| PCT/CN2020/084809 WO2020211761A1 (en) | 2019-04-15 | 2020-04-14 | Track system capable of moving heavy engineering machinery and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910300172.3A CN109927803B (en) | 2019-04-15 | 2019-04-15 | Track system of movable heavy engineering machinery and engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109927803A CN109927803A (en) | 2019-06-25 |
| CN109927803B true CN109927803B (en) | 2024-03-26 |
Family
ID=66990012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910300172.3A Active CN109927803B (en) | 2019-04-15 | 2019-04-15 | Track system of movable heavy engineering machinery and engineering vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109927803B (en) |
| WO (1) | WO2020211761A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927803B (en) * | 2019-04-15 | 2024-03-26 | 徐州徐工矿业机械有限公司 | Track system of movable heavy engineering machinery and engineering vehicle |
| CN113247129A (en) * | 2021-06-28 | 2021-08-13 | 北京林业大学 | Creeper tread suitable for vehicle running on sand |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823513A (en) * | 2010-05-13 | 2010-09-08 | 辽宁抚挖重工机械股份有限公司 | Walking device of crawler crane |
| JP2011207317A (en) * | 2010-03-29 | 2011-10-20 | Kubota Corp | Crawler traveling device |
| CN202022256U (en) * | 2011-03-31 | 2011-11-02 | 长沙中联重工科技发展股份有限公司 | Driving wheel, creeper tread, crawler walking mechanism and crawler vehicle |
| CN202089139U (en) * | 2011-06-08 | 2011-12-28 | 山推工程机械股份有限公司 | Creeper treads of crawler crane |
| CN102530114A (en) * | 2012-01-17 | 2012-07-04 | 南京理工大学 | Anti-falling track travelling mechanism |
| WO2016028722A1 (en) * | 2014-08-21 | 2016-02-25 | Caterpillar Inc. | Track assembly having arcuate crawler shoes |
| CN106005074A (en) * | 2016-05-27 | 2016-10-12 | 徐州徐工矿山机械有限公司 | Crawler belt of large mining excavator |
| WO2017039998A1 (en) * | 2015-08-28 | 2017-03-09 | Caterpillar Inc. | Undercarriage assembly and track links for assembly |
| CN108773424A (en) * | 2018-08-16 | 2018-11-09 | 姜炳福 | Crawler belt and running gear with the crawler belt |
| CN109415099A (en) * | 2016-06-24 | 2019-03-01 | 安东尼奥·雷斯蒂弗 | The creeper tread of endless-track vehicle |
| CN209795645U (en) * | 2019-04-15 | 2019-12-17 | 徐州徐工矿业机械有限公司 | Crawler system of movable heavy engineering machinery and engineering vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080284245A1 (en) * | 2007-05-18 | 2008-11-20 | Caterpillar Inc. | Machine track system and machine track segment |
| US20100081532A1 (en) * | 2008-09-19 | 2010-04-01 | Excel Foundry And Machine, Inc. | Drive tumbler |
| CN109927803B (en) * | 2019-04-15 | 2024-03-26 | 徐州徐工矿业机械有限公司 | Track system of movable heavy engineering machinery and engineering vehicle |
-
2019
- 2019-04-15 CN CN201910300172.3A patent/CN109927803B/en active Active
-
2020
- 2020-04-14 WO PCT/CN2020/084809 patent/WO2020211761A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011207317A (en) * | 2010-03-29 | 2011-10-20 | Kubota Corp | Crawler traveling device |
| CN101823513A (en) * | 2010-05-13 | 2010-09-08 | 辽宁抚挖重工机械股份有限公司 | Walking device of crawler crane |
| CN202022256U (en) * | 2011-03-31 | 2011-11-02 | 长沙中联重工科技发展股份有限公司 | Driving wheel, creeper tread, crawler walking mechanism and crawler vehicle |
| CN202089139U (en) * | 2011-06-08 | 2011-12-28 | 山推工程机械股份有限公司 | Creeper treads of crawler crane |
| CN102530114A (en) * | 2012-01-17 | 2012-07-04 | 南京理工大学 | Anti-falling track travelling mechanism |
| WO2016028722A1 (en) * | 2014-08-21 | 2016-02-25 | Caterpillar Inc. | Track assembly having arcuate crawler shoes |
| WO2017039998A1 (en) * | 2015-08-28 | 2017-03-09 | Caterpillar Inc. | Undercarriage assembly and track links for assembly |
| CN107922022A (en) * | 2015-08-28 | 2018-04-17 | 卡特彼勒公司 | Chassis assembly and the track link for component |
| CN106005074A (en) * | 2016-05-27 | 2016-10-12 | 徐州徐工矿山机械有限公司 | Crawler belt of large mining excavator |
| CN109415099A (en) * | 2016-06-24 | 2019-03-01 | 安东尼奥·雷斯蒂弗 | The creeper tread of endless-track vehicle |
| CN108773424A (en) * | 2018-08-16 | 2018-11-09 | 姜炳福 | Crawler belt and running gear with the crawler belt |
| CN209795645U (en) * | 2019-04-15 | 2019-12-17 | 徐州徐工矿业机械有限公司 | Crawler system of movable heavy engineering machinery and engineering vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109927803A (en) | 2019-06-25 |
| WO2020211761A1 (en) | 2020-10-22 |
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