CN116495070B - Crawler belt walking driving device for harvesting machinery - Google Patents
Crawler belt walking driving device for harvesting machinery Download PDFInfo
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- CN116495070B CN116495070B CN202310642105.6A CN202310642105A CN116495070B CN 116495070 B CN116495070 B CN 116495070B CN 202310642105 A CN202310642105 A CN 202310642105A CN 116495070 B CN116495070 B CN 116495070B
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- gear
- crawler
- crawler belt
- shaped rod
- rotationally connected
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- 238000003306 harvesting Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000009194 climbing Effects 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 20
- 230000004888 barrier function Effects 0.000 description 7
- 235000013339 cereals Nutrition 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 230000007306 turnover Effects 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
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/065—Multi-track vehicles, i.e. more than two tracks
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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
-
- 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
- B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
- B62D55/0845—Protection devices
-
- 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
-
- 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
Abstract
The invention discloses a crawler travel driving device for harvesting machinery, which relates to the field of harvesting machinery and comprises a machine housing, a vehicle body frame and a crawler, wherein a power transmission mechanism is fixedly arranged on the inner side of the vehicle body frame, and a crawler inner driving mechanism is arranged on the outer side of the power transmission mechanism. According to the invention, when the lower surface of the crawler belt moves to an obstacle, the spring is stressed and compressed to deform to generate elastic force, the elastic force acts on the upper end of the first Y-shaped rod in a reaction mode, the ascending amplitude of the first Y-shaped rod is reduced, the inward sinking depth of the crawler belt is further reduced, meanwhile, the elastic force also acts on the second Y-shaped rod, the first Y-shaped rod and the second Y-shaped rod form a cross supporting structure, the inner support is arranged in the crawler belt, when the crawler belt climbs over the obstacle, the crawler belt is pressed down, the invagination amplitude of the crawler belt is reduced, the concave crawler belt is clung to the outer side of the ridge or the obstacle, a larger grounding area is ensured, the grabbing force is further ensured, the slipping is avoided, and the stability of the harvester for climbing over the ridge or the obstacle is improved.
Description
Technical Field
The invention relates to the technical field of harvesting machinery, in particular to a crawler belt walking driving device for harvesting machinery.
Background
The harvesting machine is an integrated machine for harvesting crops. Harvesting and threshing are completed once, grains are concentrated in a storage bin, then the grains are conveyed to a transport vehicle through a conveyor belt, or alternatively, the grains can be harvested manually, straws of crops such as rice, wheat and corn are laid in the field, and then the grains are picked up and threshed by a grain harvesting machine. The crop harvesting machine moves in farmland directly by means of tires or caterpillar tracks, wherein the caterpillar tracks have the advantages of large supporting area, small ground contact pressure, good traction adhesion performance and the like compared with the tire type.
For example, chinese patent CN108216401a discloses a rubber crawler running gear for a harvester, which is composed of a rubber crawler, a driving wheel assembly, a thrust wheel assembly, a rear guiding wheel assembly, a tensioning device assembly, a driving wheel support and a crawler frame assembly.
But among the prior art, track part in the harvester is the simple point relatively in comparison with tank track part, mainly include driving pulley, auxiliary wheel, wheel hub frame and track, and there are a plurality of bogie wheels and a plurality of riding wheel in the tank track, bogie wheel and riding wheel quantity are less relatively in the harvester, this results in the track in the harvester, can not be nearly parallel from top to bottom like tank track, when the harvester runs into ridge or obstacle, there is not riding wheel in the track intermediate region, can inwards be sunken, there is certain clearance between track and the farmland ground, lead to the track area to diminish, cause skidding between track and ridge or the obstacle, the walking is unstable, the problem of harvester side turning appears easily.
Disclosure of Invention
The invention aims to provide a crawler traveling driving device for a harvesting machine, which aims to solve the problems that the number of loading wheels and supporting wheels in the harvesting machine provided by the background technology is relatively small, so that the crawler in the harvesting machine is not nearly parallel up and down like a tank crawler, when the harvesting machine encounters a ridge or obstacle, the supporting wheels are not arranged in the middle area of the crawler, the crawler is recessed inwards, a certain gap exists between the crawler and the ground of the farmland, the grounding area of the crawler is reduced, slippage is caused between the crawler and the ridge or obstacle, traveling is unstable, and side turning of the harvesting machine is easy to occur.
In order to achieve the above purpose, the present invention provides the following technical solutions: the crawler travel driving device for the harvesting machine comprises a machine housing, a machine body frame and a crawler, wherein a power transmission mechanism is fixedly arranged on the inner side of the machine body frame, a crawler inner driving mechanism is arranged on the outer side of the power transmission mechanism, the outer side of the crawler inner driving mechanism is movably clamped with the inner side of the crawler, and the inner side of the lower end of the machine housing is fixedly connected with the outer side of the machine body frame;
the crawler inner driving mechanism comprises a main support, two ends of the main support are respectively and fixedly connected with a first side rod and a second side rod, the other end of the first side rod is rotationally connected with a first driving wheel piece, the other end of the main support is rotationally connected with a second driving wheel piece, the other end of the second side rod is rotationally connected with a corner wheel set, and the bottom of the inner side of the crawler is rotationally clamped with a medium-voltage assembly;
the middle pressure assembly comprises a connecting shaft, a first Y-shaped rod is rotationally connected to the outer surface of the connecting shaft, a second Y-shaped rod is rotationally connected to the middle of the first Y-shaped rod, one end of the second Y-shaped rod is rotationally connected with a shaft part of the second driving wheel member, the other end of the second Y-shaped rod is rotationally connected with a second pressing wheel set, one end of the second Y-shaped rod is rotationally connected with a connecting rod, one end of the first Y-shaped rod is rotationally connected with a connecting rod, the other end of the connecting rod is rotationally connected with a first pressing wheel set, one end of the first Y-shaped rod is rotationally connected with a connecting sleeve, a spring is fixedly connected to the outer side of the connecting sleeve, the other end of the spring is fixedly connected with one side of the connecting rod, the outer surface of the connecting rod is in sliding connection with the middle of the connecting sleeve, and the lower side of the first pressing wheel set and the lower side of the second pressing wheel set are in rolling clamping connection with the inner bottom of the crawler.
Preferably, the outer surface of the connecting shaft is rotationally connected with one end of the main support, the outer side of the corner wheel set is rotationally clamped with the inner side of the crawler belt, the upper part of the inner side of the crawler belt is rotationally clamped with a towing wheel, and the shaft part of the towing wheel is rotationally connected with the outer side of the hood shell.
Preferably, one end of the shaft part of the second driving wheel member is fixedly clamped with a hexagonal shaft, the outer surface of the hexagonal shaft is rotationally connected with a sliding sleeve member, and an inner mounting plate is fixedly mounted on the outer side of the sliding sleeve member.
Preferably, a chain wheel is fixedly arranged at the other end of the hexagonal shaft, and a chain is movably sleeved on the outer side of the chain wheel.
Preferably, the other end of the chain is movably sleeved with a double-chain wheel set, and a mounting frame is fixedly mounted in the middle of one side of the inner mounting plate.
Preferably, the other side of the mounting frame is fixedly connected with an outer shell, one end of a shaft part of the double-chain wheel set is rotationally connected with the middle part of the inner mounting plate, and a first gear is fixedly arranged at the other end of the shaft part of the double-chain wheel set.
Preferably, the upper side of the first gear is connected with a second gear in a meshed manner, a shaft part of the second gear is rotatably connected with the inside of the outer shell, and a third gear is fixedly arranged at the other end of the shaft part of the second gear.
Preferably, the lower side of the third gear is connected with a double gear set in a meshed mode, and a shaft part of the double gear set is connected with the inner part of the outer shell in a rotating mode.
Preferably, the outer sides of the double gear sets are respectively connected with a fourth gear in a meshed mode, and a driving motor is fixedly arranged in the middle of each fourth gear.
Preferably, one side of the driving motor is fixedly mounted with the outer side of the outer shell, and one side of the outer shell is fixedly connected with the inner side of the hood shell.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, when the lower surface of the crawler belt moves to an obstacle, the crawler belt can be inwards sunken, the crawler belt at the sunken part upwards jacks up the first pinch roller group, the first pinch roller group upwards drives the connecting rod, the connecting rod exerts an upward force on the bottommost end of the first Y-shaped rod, so that the first Y-shaped rod rotates for a certain angle around a connecting point with the connecting shaft, meanwhile, the uppermost end of the first Y-shaped rod drives the connecting sleeve to slide on the rod part of the connecting rod, the distance between the connecting sleeve and the connecting sleeve is shortened, the compression spring deforms to generate elastic force, the elastic force is reacted on the upper end of the first Y-shaped rod, the rising amplitude of the first Y-shaped rod is reduced, and the inwards sunken depth of the crawler belt is further reduced, simultaneously, the elastic force also pushes the connecting rod outwards, the connecting rod exerts outwards pushing force on the uppermost end of the second Y-shaped rod, so that the connecting rod overturns around a certain angle with the shaft part of the second driving wheel part, the bottommost end of the second Y-shaped rod downwards presses the second pressing wheel group, the second pressing wheel group presses the crawler belt to attach to the barrier, the first Y-shaped rod and the second Y-shaped rod form a cross supporting structure, the inner support is arranged in the crawler belt, the crawler belt is pressed downwards when the crawler belt climbs over the barrier, the invagination amplitude of the crawler belt is reduced, the concave crawler belt is clung to the outer side of the ridge or the barrier, the larger grounding area is ensured, the ground grabbing force is further ensured, slipping is avoided, and the stability of the harvesting machine for climbing over the ridge or the barrier is improved.
2. According to the invention, the crawler inner driving mechanism is arranged, the first driving wheel piece and the second driving wheel piece are forced to engage with the bulges on the inner side of the crawler, power for rotating the crawler is provided, the crawler is supported in the dragging wheel, the lower surface of the crawler is tightly stretched on the outer sides of the first driving wheel piece and the second driving wheel piece, derailment of the crawler is avoided, the corner wheel set is positioned at the front end of the crawler, and when the crawler climbs a ridge or an obstacle, the corner wheel set can be overturned for a certain angle, and is pressed against the outer surface of the ridge or the obstacle, so that the contact area is increased, the ground grabbing force is increased, and the mechanical climbing obstacle is facilitated.
3. In the invention, the driving motor is started by arranging the power transmission mechanism, the driving motor drives the fourth gear to rotate, the fourth gear is meshed with the double gear set to rotate in the outer shell, the small gear part of the double gear set is meshed with the third gear to rotate in the outer shell, because the third gear and the second gear are coaxial, the second gear synchronously rotates and is meshed with the first gear below, and because the first gear and the double-chain wheel set are coaxial, the double-chain wheel set starts to rotate, the double-chain wheel set simultaneously drives two groups of chains to rotate, the chains drive the corresponding chain wheels to rotate, each chain wheel drives a hexagonal shaft to rotate in the middle of the sliding sleeve part, one hexagonal shaft drives the second driving wheel part to rotate, the other hexagonal shaft drives the first driving wheel part to rotate, thereby providing moving power for the crawler belt, the other crawler belt moves in the same way, the mounting frame is used for mounting the gear transmission part on the inner mounting plate, the inner mounting plate is mounted in the vehicle body frame, the power transmission mechanism is mounted in the engine housing, the outer housing is also fixed in the middle inner plate of the engine housing, the power transmission mechanism is firmly mounted and cannot shake easily, stability in transmission is improved, two groups of driving motors are arranged on the same side, fourth gears mounted on rotating shafts of the two groups of driving motors are distributed on two sides of the double gear sets, the two driving motors are started in opposite rotation directions and meshed with the two sides of the double gear sets simultaneously, the stress on the two sides is the same, the double gear sets rotate more stably when the double gear sets are meshed with one driving motor for transmission, power loss is small, transmission efficiency is high, and transmission of the fourth gear, the double gear sets, the third gear, the second gear and the first gear forms a gear reduction system, so that larger traction force is provided.
Drawings
FIG. 1 is a schematic perspective view of a crawler travel drive device for a harvesting machine according to the present invention;
FIG. 2 is a schematic exploded perspective view of a crawler travel drive for a harvesting machine according to the present invention;
FIG. 3 is a schematic view showing a partial perspective structure of a crawler travel driving device for a harvesting machine according to the present invention;
FIG. 4 is a schematic perspective view of a crawler inner drive mechanism in a crawler travel drive device for a harvesting machine according to the present invention;
FIG. 5 is a schematic perspective view of a second view of the inner drive mechanism of the crawler belt travel drive device for a harvester according to the present invention;
FIG. 6 is a schematic perspective view of a medium voltage assembly of a crawler travel drive for a harvesting machine according to the present invention;
FIG. 7 is a schematic perspective view of a power transmission mechanism of the crawler travel drive device for a harvesting machine according to the present invention;
FIG. 8 is a partially exploded perspective view of a power transmission mechanism of the crawler travel drive device for a harvesting machine according to the present invention;
fig. 9 is a schematic perspective view showing the internal transmission of the outer casing of the crawler belt driving device for the harvesting machine.
In the figure: 1. a housing; 2. a vehicle body frame; 3. a power transmission mechanism; 31. a sprocket; 32. an inner mounting plate; 33. a slip sleeve; 34. a hexagonal shaft; 35. a chain; 36. a double chain wheel group; 37. a mounting frame; 38. an outer housing; 39. a first gear; 310. a second gear; 311. a third gear; 312. a double gear set; 313. a fourth gear; 314. a driving motor; 4. a track; 5. a crawler belt internal driving mechanism; 51. a main support; 52. a towing wheel; 53. a first side bar; 54. a first drive wheel member; 55. a second drive wheel member; 56. a second side bar; 57. a corner wheel set; 58. a medium voltage component; 581. a first Y-shaped bar; 582. a connecting rod; 583. a spring; 584. a connecting sleeve; 585. a second Y-shaped bar; 586. a connecting rod; 587. a first pressing wheel set; 588. a second pressing wheel set; 589. and (5) connecting shafts.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of 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.
Example 1
Referring to fig. 1-9: the utility model provides a crawler travel driving device for harvester, including housing 1, automobile body frame 2 and track 4, the inboard fixed mounting of automobile body frame 2 has power transmission mechanism 3, the outside of power transmission mechanism 3 is provided with track inner drive mechanism 5, the outside of track inner drive mechanism 5 and the inboard movable joint of track 4, the lower extreme inboard of housing 1 and the outside fixed connection of automobile body frame 2, track inner drive mechanism 5 includes main support 51, the both ends of main support 51 are fixedly connected with first side lever 53 and second side lever 56 respectively, the other end of first side lever 53 rotates and is connected with first drive wheel spare 54, the other end of main support 51 rotates and is connected with second drive wheel spare 55, the other end of second side lever 56 rotates and is connected with corner wheelset 57, the inboard bottom roll joint of track 4 has middling pressure subassembly 58, middling pressure subassembly 58 includes connecting axle 589, the surface rotation of connecting axle 589 is connected with first Y-shaped pole 581, the middle part of the first Y-shaped rod 581 is rotationally connected with a second Y-shaped rod 585, one end of the second Y-shaped rod 585 is rotationally connected with a shaft part of the second driving wheel piece 55, the other end of the second Y-shaped rod 585 is rotationally connected with a second pressing wheel group 588, one end of the second Y-shaped rod 585 is rotationally connected with a connecting rod 582, one end of the first Y-shaped rod 581 is rotationally connected with a connecting rod 586, the other end of the connecting rod 586 is rotationally connected with a first pressing wheel group 587, one end of the first Y-shaped rod 581 is rotationally connected with a connecting sleeve 584, the outer side of the connecting sleeve 584 is fixedly connected with a spring 583, one end of the spring 583 is fixedly connected with one side of the connecting rod 582, the outer surface of the connecting rod 582 is in sliding connection with the middle part of the connecting sleeve 584, the lower side of the first pressing wheel group 587 and the lower side of the second pressing wheel group 588 are in rolling clamping connection with the inner bottom of a crawler 4, the outer surface of the connecting shaft 589 is rotatably connected with one end of the main support 51, the outer side of the corner wheel set 57 is in rolling clamping connection with the inner side of the crawler belt 4, the upper part of the inner side of the crawler belt 4 is in rolling clamping connection with the towing wheel 52, and the shaft part of the towing wheel 52 is rotatably connected with the outer side of the hood shell 1.
In this embodiment, by providing the medium-pressure assembly 58, when the lower surface of the track 4 moves to an obstacle, the track 4 is recessed inward, the track 4 in the recessed portion lifts up the first pressing wheel set 587, the first pressing wheel set 587 drives the connecting rod 586 upward, and the connecting rod 586 applies an upward force on the lowermost end of the first Y-shaped rod 581, so that the first Y-shaped rod 581 rotates around the connection point with the connecting shaft 589 by a certain angle.
Simultaneously, the uppermost end of the first Y-shaped rod 581 drives the connecting sleeve 584, the rod part of the connecting rod 582 slides, the distance between the two rods is shortened, the compression spring 583 deforms to generate elastic force, the elastic force acts on the upper end of the first Y-shaped rod 581 to reduce the ascending amplitude of the first Y-shaped rod 581, the inward sinking depth of the crawler 4 is further reduced, meanwhile, the elastic force also pushes the connecting rod 582 outwards, the connecting rod 582 exerts outward thrust on the uppermost end of the second Y-shaped rod 585, the connecting rod 582 overturns a certain angle around the shaft part of the second driving wheel member 55, the lowermost end of the second Y-shaped rod 585 downwards presses the second pressing wheel group 588, the second pressing wheel group 588 presses the crawler 4 to attach to an obstacle, the first Y-shaped rod 581 and the second Y-shaped rod 585 form a cross supporting structure, the inner support is arranged inside the crawler 4, when the crawler 4 climbs over the obstacle, the inner side of the crawler 4 is reduced, the concave position of the crawler 4 is tightly attached to the ridge or the outside the obstacle, the high ground contact area is ensured, the ground grabbing force is further improved, and the stability of the harvesting machine is prevented from skidding obstacle is improved.
Example two
According to fig. 1-5, the crawler inner driving mechanism 5 comprises a main support 51, two ends of the main support 51 are fixedly connected with a first side rod 53 and a second side rod 56 respectively, the other end of the first side rod 53 is rotatably connected with a first driving wheel piece 54, the other end of the main support 51 is rotatably connected with a second driving wheel piece 55, the other end of the second side rod 56 is rotatably connected with a corner wheel set 57, an inner bottom rolling clamping of the crawler 4 is provided with a middle pressure component 58, the outer surface of a connecting shaft 589 is rotatably connected with one end of the main support 51, the outer side of the corner wheel set 57 is rotatably clamped with the inner side of the crawler 4, the upper inner side of the crawler 4 is rotatably clamped with a towing wheel 52, and the shaft part of the towing wheel 52 is rotatably connected with the outer side of the hood shell 1.
In this embodiment, through setting up track inner drive mechanism 5, first drive wheel spare 54 and second drive wheel spare 55 atress meshing track 4 inboard arch, provide track 4 pivoted power, drag the track 4 in the wheel 52 of taking turns, make the lower surface of track 4 tighten in first drive wheel spare 54 and second drive wheel spare 55 outside, avoid track 4 derailment, corner wheelset 57 is located the front end of track 4, when track 4 climbs ridge or barrier, corner wheelset 57 can overturn certain angle, press track 4 laminating ridge or barrier surface, improve area of contact, increase the grabbing power, be favorable to the harvester to climb the barrier.
Example III
According to the embodiments shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 7, fig. 8 and fig. 9, the hexagonal shaft 34 is fixedly clamped at one end of the shaft portion of the second driving wheel member 55, the sliding sleeve member 33 is rotatably connected to the outer surface of the hexagonal shaft 34, the inner mounting plate 32 is fixedly mounted at the outer side of the sliding sleeve member 33, the sprocket 31 is fixedly mounted at the other end of the hexagonal shaft 34, the chain 35 is movably sleeved with the double-sprocket set 36, the mounting frame 37 is fixedly mounted at one side of the inner mounting plate 32, the outer shell 38 is fixedly connected at the other side of the mounting frame 37, one end of the shaft portion of the double-sprocket set 36 is rotatably connected with the middle of the inner mounting plate 32, the first gear 39 is fixedly mounted at the other end of the shaft portion of the double-sprocket set 36, the upper side of the first gear 39 is in meshed connection with the second gear 310, the other end of the shaft portion of the second gear 310 is fixedly mounted with the third gear 311, the lower side of the third gear 311 is in meshed connection with the double-sprocket set 312, the shaft portion of the double-sprocket set 312 is rotatably connected with the inner side of the outer shell 38, the outer side of the double-sprocket set 312 is fixedly connected with the inner side of the fourth gear 313 is meshed with the fourth gear 313, and the inner shell 313 is fixedly connected with the outer shell 38, and the outer shell is fixedly connected with the outer shell 38, and each side of the fourth gear 313 is fixedly connected with the outer shell 38.
In this embodiment, by providing the power transmission mechanism 3, the driving motor 314 is started, the driving motor 314 drives the fourth gear 313 to rotate, the fourth gear 313 engages the double gear set 312 to rotate in the outer housing 38, the pinion gear part of the double gear set 312 engages the third gear 311 to rotate in the outer housing 38, because the third gear 311 and the second gear 310 are coaxial, the second gear 310 rotates synchronously and engages the first gear 39 below to rotate, because the first gear 39 and the double chain wheel set 36 are coaxial, the double chain wheel set 36 starts to rotate, the double chain wheel set 36 simultaneously drives the two sets of chains 35 to rotate, the chains 35 drive the corresponding chain wheels 31 to rotate, each chain wheel 31 drives the hexagonal shaft 34 to rotate in the middle of the sliding sleeve member 33, one hexagonal shaft 34 drives the second driving wheel member 55 to rotate, the other hexagonal shaft 34 drives the first driving wheel member 54 to provide moving power for the crawler belt 4, the other crawler belt moves in a same way, the mounting frame 37 mounts the gear transmission part on the inner mounting plate 32 in the vehicle body housing 2, the power transmission mechanism 3 is mounted in the vehicle housing 1, and the middle of the outer housing 38 is fixed in the vehicle housing 1 at the same time, and the stability of the power transmission mechanism is not easily improved.
The same side is provided with two groups of driving motors 314, the fourth gears 313 installed on the rotating shafts of the two groups of driving motors 314 are distributed on two sides of the double gear set 312, the two driving motors 314 are started synchronously in opposite rotating directions, simultaneously engage with two sides of the double gear set 312, the stress on the two sides is the same, when the two driving motors 314 are in engagement transmission, the double gear set 312 rotates more stably, the power loss is small, the transmission efficiency is high, and the fourth gears 313, the double gear set 312, the third gears 311, the second gears 310 and the first gears 39 are transmitted to form a gear reduction system to provide larger traction force.
The application method and the working principle of the device are as follows: when the crawler belt walking driving device for the harvesting machine is used, the driving motor 314 is started, the driving motor 314 drives the fourth gear 313 to rotate, the fourth gear 313 is meshed with the double gear set 312 to rotate in the outer shell 38, the small gear part of the double gear set 312 is meshed with the third gear 311 to rotate in the outer shell 38, the third gear 311 and the second gear 310 are coaxial, the second gear 310 synchronously rotates and is meshed with the first gear 39 below to rotate, the first gear 39 and the double-chain wheel set 36 are coaxial, the double-chain wheel set 36 starts to rotate, the double-chain wheel set 36 simultaneously drives two groups of chains 35 to rotate, the chains 35 drive the corresponding chain wheels 31 to rotate, each chain wheel 31 drives the hexagonal shaft 34 to rotate in the middle of the sliding sleeve member 33, one hexagonal shaft 34 drives the second driving wheel member 55 to rotate, the other hexagonal shaft 34 drives the first driving wheel member 54 to rotate, and therefore the crawler belt 4 is provided with moving power, and the other crawler belt is moved in the same way;
the mounting frame 37 is used for mounting the gear transmission part on the inner mounting plate 32, the inner mounting plate 32 is mounted in the vehicle body frame 2, the power transmission mechanism 3 is mounted in the engine housing 1, and meanwhile, the outer shell 38 is also fixed in the middle inner plate of the engine housing 1, so that the power transmission mechanism 3 is firmly mounted and cannot shake easily, and the stability in transmission is improved;
wherein, two groups of driving motors 314 are arranged on the same side, a fourth gear 313 arranged on the rotation shaft of the two groups of driving motors 314 is distributed on two sides of the double gear set 312, the two driving motors 314 are started synchronously in opposite rotation directions and simultaneously meshed with two sides of the double gear set 312, the stress on the two sides is the same, when the two driving motors 314 are meshed for transmission, the double gear set 312 rotates more stably, the power loss is small, the transmission efficiency is high, and the transmission of the fourth gear 313, the double gear set 312, the third gear 311, the second gear 310 and the first gear 39 forms a gear reduction system to provide larger traction force;
the first driving wheel member 54 and the second driving wheel member 55 are forced to engage with the protrusions on the inner side of the track 4 to provide power for rotation of the track 4, and the traction wheel 52 supports the track 4 in an inner way, so that the lower surface of the track 4 is tightly stretched on the outer sides of the first driving wheel member 54 and the second driving wheel member 55 to avoid derailment of the track 4, the corner wheel set 57 is positioned at the front end of the track 4, and when the track 4 climbs a ridge or an obstacle, the corner wheel set 57 can turn over a certain angle to press the track 4 to be attached to the outer surface of the ridge or the obstacle, the contact area is increased, and the ground grabbing force is increased;
when the lower surface of the crawler belt 4 moves to an obstacle, the crawler belt 4 is recessed inwards, the crawler belt 4 in the recessed part jacks up the first pressing wheel group 587 upwards, the first pressing wheel group 587 drives the connecting rod 586 upwards, the connecting rod 586 applies an upward force on the bottommost end of the first Y-shaped rod 581, so that the first Y-shaped rod 581 rotates around a connecting point with the connecting shaft 589 by a certain angle, meanwhile, the topmost end of the first Y-shaped rod 581 drives the connecting sleeve 584 to slide on the rod part of the connecting rod 582, the distance between the connecting sleeve and the connecting sleeve 584 is shortened, the compression spring 583 deforms to generate elastic force, the elastic force acts on the upper end of the first Y-shaped rod 581 to reduce the rising amplitude of the first Y-shaped rod 581, and further the inward sinking depth of the crawler belt 4 is reduced, simultaneously, the connecting rod 582 is also pushed outwards by the elastic force, the connecting rod 582 applies an outward thrust to the uppermost end of the second Y-shaped rod 585, so that the connecting rod 582 turns around a shaft part of the second driving wheel member 55 for a certain angle, the lowermost end of the second Y-shaped rod 585 downwards presses the second pressing wheel set 588, the second pressing wheel set 588 presses the crawler 4 to attach to an obstacle, the first Y-shaped rod 581 and the second Y-shaped rod 585 form a cross supporting structure, the inner support is arranged in the crawler 4, when the crawler 4 climbs over the obstacle, the crawler 4 is pressed down, the sinking amplitude of the crawler 4 is reduced, the concave crawler 4 is clung to the outer side of the ridge or the obstacle, the higher grounding area is ensured, the ground grabbing force is further ensured, the skidding is avoided, and the stability of the harvester for climbing over the ridge or the obstacle is improved.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (2)
1. The utility model provides a crawler travel drive device for harvester, includes housing (1), automobile body frame (2) and track (4), its characterized in that: the inner side of the vehicle body frame (2) is fixedly provided with a power transmission mechanism (3), the outer side of the power transmission mechanism (3) is provided with a crawler belt inner driving mechanism (5), the outer side of the crawler belt inner driving mechanism (5) is movably clamped with the inner side of the crawler belt (4), and the inner side of the lower end of the hood shell (1) is fixedly connected with the outer side of the vehicle body frame (2);
the crawler inner driving mechanism (5) comprises a main support (51), two ends of the main support (51) are fixedly connected with a first side rod (53) and a second side rod (56) respectively, the other end of the first side rod (53) is rotationally connected with a first driving wheel piece (54), the other end of the main support (51) is rotationally connected with a second driving wheel piece (55), the other end of the second side rod (56) is rotationally connected with a corner wheel set (57), and the inner bottom of the crawler (4) is rotationally clamped with a medium-pressure assembly (58);
the middle-pressure assembly (58) comprises a connecting shaft (589), a first Y-shaped rod (581) is rotationally connected to the outer surface of the connecting shaft (589), a second Y-shaped rod (585) is rotationally connected to the middle part of the first Y-shaped rod (581), one end of the second Y-shaped rod (585) is rotationally connected with the shaft part of the second driving wheel piece (55), a second pressure wheel set (588) is rotationally connected to the other end of the second Y-shaped rod (585), a connecting rod (582) is rotationally connected to one end of the second Y-shaped rod (585), a connecting rod (586) is rotationally connected to one end of the first Y-shaped rod (581), a connecting sleeve (584) is rotationally connected to the other end of the connecting rod (581), a spring (583) is fixedly connected to the outer side of the connecting sleeve (584), one end of the spring (583) is rotationally connected to the lower side of the connecting rod (586) of the second pressure wheel set (588), and the lower side of the connecting rod (584) is fixedly connected to the outer surface of the middle part (587) of the track (584);
the utility model discloses a double-chain wheel assembly, including first drive wheel piece (55), second drive wheel piece (55), hexagon axle (34) are fixed joint in the axial part one end of shaft portion fixed joint, the surface of hexagon axle (34) rotates and is connected with sliding sleeve piece (33), the outside fixed mounting of sliding sleeve piece (33) has interior mounting panel (32), the other end fixed mounting of hexagon axle (34) has sprocket (31), the outside movable sleeve of sprocket (31) has chain (35), the other end movable sleeve of chain (35) has double-chain wheel group (36), one side middle part fixed mounting of interior mounting panel (32) has mounting bracket (37), the opposite side fixed connection of mounting bracket (37) has shell body (38), the axial part one end of double-chain wheel group (36) with the middle part rotation of interior mounting panel (32) is connected, the axial part other end fixed mounting of double-chain wheel group (36) has first gear (39), the upside meshing of first gear (39) is connected with second gear (310), the axial part of second gear (310) has the inside rotation connection of shell body (38), the other end of second gear (311) has the inside rotation of third gear group (312) is connected with the shell body (312), the two sides of the double gear sets (312) are respectively connected with a fourth gear (313) in a meshed mode, a driving motor (314) is fixedly installed in the middle of each fourth gear (313), one side of each driving motor (314) is fixedly installed on the outer side of the outer shell (38), and one side of the outer shell (38) is fixedly connected with the inner side of the hood shell (1).
2. The crawler travel drive unit for a harvesting machine according to claim 1, wherein: the outer surface of the connecting shaft (589) is rotationally connected with one end of the main support (51), the outer side of the corner wheel set (57) is rotationally clamped with the inner side of the crawler belt (4), a towing wheel (52) is rotationally clamped at the upper part of the inner side of the crawler belt (4), and the shaft part of the towing wheel (52) is rotationally connected with the outer side of the hood shell (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310642105.6A CN116495070B (en) | 2023-05-30 | 2023-05-30 | Crawler belt walking driving device for harvesting machinery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310642105.6A CN116495070B (en) | 2023-05-30 | 2023-05-30 | Crawler belt walking driving device for harvesting machinery |
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| CN116495070A CN116495070A (en) | 2023-07-28 |
| CN116495070B true CN116495070B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310642105.6A Active CN116495070B (en) | 2023-05-30 | 2023-05-30 | Crawler belt walking driving device for harvesting machinery |
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| CN201694272U (en) * | 2010-02-05 | 2011-01-05 | 陕西长大实业有限公司 | Novel traveling crawler |
| CN108969941A (en) * | 2018-08-03 | 2018-12-11 | 安徽赛福贝特信息技术有限公司 | A kind of crawler belt security robot |
| CN111791963A (en) * | 2020-07-14 | 2020-10-20 | 国人机器人（天津）有限公司 | Track structure of rescue robot |
| CN212125325U (en) * | 2020-05-26 | 2020-12-11 | 国网河南省电力公司南阳供电公司 | Track-type scooter for line operation and maintenance all-terrain individual soldier operation |
| CN113484494A (en) * | 2021-06-11 | 2021-10-08 | 浙江机电职业技术学院 | Nondestructive testing device for metal shaft body |
| CN114313041A (en) * | 2022-01-13 | 2022-04-12 | 江苏英拓动力科技有限公司 | Whole-vehicle hydraulic anti-tilt control mechanism of unmanned crawler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220212735A1 (en) * | 2021-01-06 | 2022-07-07 | Shengmin YAN | Crawler driving device |
-
2023
- 2023-05-30 CN CN202310642105.6A patent/CN116495070B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201694272U (en) * | 2010-02-05 | 2011-01-05 | 陕西长大实业有限公司 | Novel traveling crawler |
| CN108969941A (en) * | 2018-08-03 | 2018-12-11 | 安徽赛福贝特信息技术有限公司 | A kind of crawler belt security robot |
| CN212125325U (en) * | 2020-05-26 | 2020-12-11 | 国网河南省电力公司南阳供电公司 | Track-type scooter for line operation and maintenance all-terrain individual soldier operation |
| CN111791963A (en) * | 2020-07-14 | 2020-10-20 | 国人机器人（天津）有限公司 | Track structure of rescue robot |
| CN113484494A (en) * | 2021-06-11 | 2021-10-08 | 浙江机电职业技术学院 | Nondestructive testing device for metal shaft body |
| CN114313041A (en) * | 2022-01-13 | 2022-04-12 | 江苏英拓动力科技有限公司 | Whole-vehicle hydraulic anti-tilt control mechanism of unmanned crawler |
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| Publication number | Publication date |
|---|---|
| CN116495070A (en) | 2023-07-28 |
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