CN221273282U - Combine crawler tensioning wheel structure - Google Patents

Combine crawler tensioning wheel structure Download PDF

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Publication number
CN221273282U
CN221273282U CN202322909365.3U CN202322909365U CN221273282U CN 221273282 U CN221273282 U CN 221273282U CN 202322909365 U CN202322909365 U CN 202322909365U CN 221273282 U CN221273282 U CN 221273282U
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China
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wheel
shaft
tensioning
bearing
telescopic
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CN202322909365.3U
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Chinese (zh)
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郑学臣
常之英
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Linqing Newshang Bearing Co ltd
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Linqing Newshang Bearing Co ltd
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Abstract

The utility model provides a combine harvester caterpillar tensioning wheel structure, which relates to the technical field of agricultural machinery and comprises a main body, a support frame, a connecting shaft, a thrust wheel, a connecting plate, a driving wheel, a fixed plate seat, a towing wheel, a tensioning structure and a caterpillar; the tensioning structure includes: the hydraulic telescopic column, the telescopic rod, the bearing and the supporting rod; the hydraulic telescopic column is arranged at the side of the main body and is fixedly connected with the main body; the telescopic rod is arranged on the side of the telescopic part of the hydraulic telescopic column, and is connected with the telescopic part of the hydraulic telescopic column in a shaft way through the support. The length of the telescopic part of the hydraulic telescopic column is adjusted, so that the guide wheel moves, the wheelbase of the guide wheel and the driving wheel is changed, the tension force of the crawler belt of the combine harvester is changed more easily, and the tension wheel is firmer. Solves the problems of single function, poor durability and complex maintenance, loading and unloading of the existing track tensioning wheel.

Description

Combine crawler tensioning wheel structure
Technical Field
The utility model belongs to the technical field of agricultural machinery, and particularly relates to a combine harvester crawler tensioning wheel structure.
Background
Combine harvesters are the most used agricultural machine in current agricultural production. The combine harvester walks on the ground through the track, can accomplish the operation of reaping in abominable banker's field freely, and the track take-up pulley is the important component part of combine harvester, and the track take-up pulley is crawler-driven overspeed device tensioner, and the track take-up pulley can change the tensioning force of harvester track to realize the normal travel of harvester, the tensioning force reaches the certain degree and still can prevent that the track from droing. The track tensioning wheel also plays a guiding role to a certain extent.
Based on the above, the existing crawler tensioning wheel has the defects of simple structure, single function, poor durability, complex maintenance, loading and unloading and the like. When the crawler belt tensioning wheel is used, the crawler belt tensioning wheel is usually operated in muddy water due to the severe operation environment during harvesting operation, and the crawler belt is required to bear large resistance, so that the tensioning wheel is often damaged. Therefore, when the harvester works, especially in busy hours, the tensioning wheel of the harvester needs to be replaced frequently, and after the guiding tensioning wheel is damaged locally, the whole tensioning wheel needs to be replaced, so that the working efficiency is reduced, the labor is wasted, the cost is increased, and the operation is seriously affected.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a combine harvester track tensioning wheel structure, which aims to solve the problems of single function, poor durability and complex maintenance, loading and unloading of the existing track tensioning wheel.
The utility model relates to a combine harvester caterpillar tensioning wheel structure, which is achieved by the following specific technical means:
The combine harvester crawler tensioning wheel structure comprises a main body, a supporting frame, a connecting shaft, a supporting wheel, a connecting plate, a driving wheel, a fixed plate seat, a towing wheel, a tensioning structure and a crawler; the support frame is arranged below the main body and is welded with the main body; the connecting shaft is arranged below the supporting frames, and two ends of the connecting shaft are fixedly connected with the two groups of supporting frames respectively; the supporting wheels are arranged at the sides of the connecting shafts and are respectively connected with the two ends of the connecting shafts in a shaft way; the connecting plate is arranged at the side of the main body and is welded with the main body; the driving wheels are arranged on the side of the main body and are respectively connected with the two groups of connecting plates in a shaft way through wheel shafts; the fixed plate seat is arranged above the main body, and is welded with the main body; the drag chain wheels are arranged above the main body and are respectively connected with the two groups of fixed plate seats in a shaft way through wheel shafts; the hydraulic telescopic column of the tensioning structure is fixedly connected to the side of the main body; the crawler belt is sleeved on the supporting wheel, the driving wheel and the towing wheel.
Further, the tensioning structure includes: the hydraulic telescopic column, the telescopic rod, the bearing and the supporting rod; the telescopic rod is arranged at the side of the telescopic part of the hydraulic telescopic column and is connected with the telescopic part of the hydraulic telescopic column in a shaft way through the bracket; the bearing is arranged at the side of the telescopic rod, and the bearing shell is welded with the telescopic part of the telescopic rod; the bracing piece is established in the bearing top, and bracing piece one end and bearing housing welding.
Further, the tensioning structure further includes: a spring; the spring is arranged between the telescopic rod and the bearing, and the spring is sleeved on the telescopic part of the telescopic rod.
Further, the tensioning structure further includes: a hydraulic cylinder; the hydraulic oil cylinder is arranged above the telescopic part of the hydraulic telescopic column and is connected with the telescopic part of the hydraulic telescopic column in a shaft way through the support.
Further, the support rod is arranged at the side of the hydraulic oil cylinder, and the other end of the support rod is connected with the telescopic part of the hydraulic oil cylinder in a shaft way through the support.
Further, the tensioning structure further includes: the device comprises a main shaft, a guide wheel, a baffle plate, a fixed ring, a fixed bolt and a lock nut; the main shaft is sleeved in the bearing, and is fixedly connected with the bearing inner ring; the guide wheel is arranged at the side of the bearing, and is sleeved on the main shaft; the baffle is arranged at the side of the guide wheel and welded with the main shaft; the fixed ring is arranged at the side of the guide wheel and sleeved on the main shaft; the fixing bolts are arranged on the sides of the fixing rings, and the fixing bolts fixedly connect the fixing rings with the guide wheels through screw holes; the locking nuts are arranged on the sides of the fixing rings and are screwed with threads at two ends of the main shaft respectively.
The utility model provides a combine harvester crawler tensioning wheel structure, which has the beneficial effects that:
1. According to the utility model, the hydraulic telescopic column is arranged, and the guide wheel is moved by adjusting the length of the telescopic part of the hydraulic telescopic column, so that the wheelbase between the guide wheel and the driving wheel is changed, the tension of the crawler belt of the combine harvester is changed more easily, and the tension wheel is firmer.
2. According to the utility model, the spring is sleeved on the telescopic part of the telescopic rod, so that when the crawler belt is pressurized, the guide wheel compresses the spring, the pressure applied to the guide wheel is buffered, the guide wheel is protected, and the service life of the guide wheel is prolonged.
3. According to the utility model, the hydraulic oil cylinder is arranged, and the support rod drives the bearing by adjusting the length of the telescopic part of the hydraulic oil cylinder, so that the height of the guide wheel on the main shaft is changed, the crawler belt is changed, more terrains can be adapted, and the applicability of the crawler belt is increased.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of the shortened structure of the hydraulic cylinder in fig. 1 according to the present utility model.
Fig. 3 is a schematic view of the overall cut-away structure of the present utility model.
Fig. 4 is a schematic side view of the present utility model.
Fig. 5 is a schematic view of the structure of the tensioning structure of fig. 1 according to the present utility model.
Fig. 6 is a schematic top view of the fig. 5 embodiment of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A main body; 2. a support frame; 3. a connecting shaft; 4. a thrust wheel; 5. a connecting plate; 6. a driving wheel; 7. a fixed plate seat; 8. a drag chain wheel; 9. a tensioning structure; 901. a hydraulic telescopic column; 902. a telescopic rod; 903. a hydraulic cylinder; 904. a bearing; 905. a spring; 906. a support rod; 907. a main shaft; 908. a guide wheel; 909. a baffle; 910. a fixing ring; 911. a fixing bolt; 912. a lock nut; 10. a track.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Examples
As shown in fig. 1 to 6:
The utility model provides a combine harvester caterpillar tensioning wheel structure, which comprises a main body 1, a support frame 2, a connecting shaft 3, a thrust wheel 4, a connecting plate 5, a driving wheel 6, a fixed plate seat 7, a towing wheel 8, a tensioning structure 9 and a caterpillar 10; the support frame 2 is arranged below the main body 1, and the support frame 2 is welded with the main body 1; the connecting shaft 3 is arranged below the supporting frames 2, and two ends of the connecting shaft 3 are fixedly connected with the two groups of supporting frames 2 respectively; the supporting wheel 4 is arranged at the side of the connecting shaft 3, and the supporting wheel 4 is respectively connected with two ends of the connecting shaft 3 in a shaft way; the connecting plate 5 is arranged at the side of the main body 1, and the connecting plate 5 is welded with the main body 1; the driving wheel 6 is arranged at the side of the main body 1, and the driving wheel 6 is respectively connected with the two groups of connecting plates 5 in a shaft way through a wheel shaft; the fixed plate seat 7 is arranged above the main body 1, and the fixed plate seat 7 is welded with the main body 1; the drag chain wheel 8 is arranged above the main body 1, and the drag chain wheel 8 is respectively connected with the two groups of fixed plate seats 7 in a shaft way through a wheel shaft; the hydraulic telescopic column 901 of the tensioning structure 9 is fixedly connected to the side of the main body 1; the crawler belt 10 is sleeved on the thrust wheel 4, the driving wheel 6 and the dragging chain wheel 8.
As shown in fig. 6, the tensioning structure 9 includes: a hydraulic telescopic column 901, a telescopic rod 902, a bearing 904 and a supporting rod 906; the telescopic rod 902 is arranged at the side of the telescopic part of the hydraulic telescopic column 901, and the telescopic rod 902 is connected with the telescopic part of the hydraulic telescopic column 901 in a shaft way through a bracket; the bearing 904 is arranged at the side of the telescopic rod 902, and the shell of the bearing 904 is welded with the telescopic part of the telescopic rod 902; the supporting rod 906 is disposed above the bearing 904, and one end of the supporting rod 906 is welded to the housing of the bearing 904, and the position of the guide wheel 908 is changed by changing the length of the telescopic part of the hydraulic telescopic column 901, thereby changing the tension of the track, and making it easier to change the tension of the track.
Wherein, as shown in fig. 5, the tensioning structure 9 further comprises: a spring 905; the spring 905 is arranged between the telescopic rod 902 and the bearing 904, and the spring 905 is sleeved on the telescopic part of the telescopic rod 902, and the pressure applied to the guide wheel 908 is buffered through the spring 905, so that the guide wheel 908 is protected, and the service life of the guide wheel 908 is longer.
Wherein, as shown in fig. 4, the tensioning structure 9 further comprises: hydraulic cylinder 903; the hydraulic cylinder 903 is arranged above the telescopic part of the hydraulic telescopic column 901, the hydraulic cylinder 903 is connected with the telescopic part of the hydraulic telescopic column 901 in a shaft way through a bracket, the length of the telescopic part is changed through the hydraulic cylinder 903, the supporting rod 906 drives the bearing 904, the height of the guide wheel 908 on the main shaft 907 is changed, the crawler belt is changed, more terrains can be adapted, and the applicability of the crawler belt is increased.
As shown in fig. 3, the supporting rod 906 is disposed at a side of the hydraulic cylinder 903, and the other end of the supporting rod 906 is axially connected with the telescopic part of the hydraulic cylinder 903 through a bracket, and the supporting rod 906 is connected with the bearing 904 and the hydraulic cylinder 903, so that the hydraulic cylinder 903 can drive the bearing 904, change the direction of the guiding wheel 908, and adapt the crawler to different terrains.
Wherein, as shown in fig. 6, the tensioning structure 9 further comprises: spindle 907, guide wheel 908, stop 909, retainer 910, fixing bolt 911, lock nut 912; the main shaft 907 is sleeved inside the bearing 904, and the main shaft 907 is fixedly connected with the inner ring of the bearing 904; the guiding wheel 908 is arranged at the side of the bearing 904, and the guiding wheel 908 is sleeved on the main shaft 907; the baffle 909 is arranged at the side of the guide wheel 908, and the baffle 909 is welded with the main shaft 907; the fixed ring 910 is arranged at the side of the guide wheel 908, and the fixed ring 910 is sleeved on the main shaft 907; the fixing bolt 911 is arranged at the side of the fixing ring 910, and the fixing ring 910 is fixedly connected with the guide wheel 908 through a screw hole by the fixing bolt 911; the lock nut 912 is arranged at the side of the fixed ring 910, and the lock nut 912 is screwed with the two ends of the main shaft 907 respectively, and the guide wheel 908 is fixed on the main shaft 907 through the baffle 909 and the fixed ring 910, so that the guide wheel 908 can drive the crawler belt, and the tension force of the crawler belt is changed.
Specific use and action of the embodiment:
In the utility model, when the tension of the crawler belt is too small to loosen the crawler belt, the telescopic part of the hydraulic telescopic column 901 is extended to change the position of the guide wheel 908, so that the axial distance between the guide wheel 908 and other wheels is increased, the tension of the crawler belt is increased, the crawler belt is tightened, the telescopic part of the hydraulic cylinder 903 is shortened, the supporting rod 906 drives the bearing 904 to rise, the height of the guide wheel 908 on the main shaft 907 is changed, the rotation of the crawler belt is changed, the crawler belt can adapt to more terrains, and when the crawler belt collides with high terrains, the spring 905 sleeved on the telescopic part of the telescopic rod 902 is used for buffering the pressure born by the guide wheel 908, thereby protecting the guide wheel 908 and the crawler belt, and prolonging the service life of the tensioning wheel.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (6)

1. Combine crawler belt tensioning wheel structure, its characterized in that: the device comprises a main body (1), a supporting frame (2), a connecting shaft (3), a thrust wheel (4), a connecting plate (5), a driving wheel (6), a fixed plate seat (7), a drag chain wheel (8), a tensioning structure (9) and a crawler belt (10); the support frame (2) is welded below the main body (1); two ends of the connecting shaft (3) are respectively and fixedly connected below the supporting frame (2); the supporting wheels (4) are respectively connected with the two end sides of the connecting shaft (3) in a shaft joint mode; the connecting plate (5) is welded at the side of the main body (1); the driving wheel (6) is arranged at the side of the main body (1), and the driving wheel (6) is respectively connected with the two groups of connecting plates (5) in a shaft way through a wheel shaft; the fixed plate seat (7) is welded above the main body (1); the drag chain wheel (8) is arranged above the main body (1), and the drag chain wheel (8) is respectively connected with the two groups of fixed plate seats (7) in a shaft way through a wheel shaft; the hydraulic telescopic column (901) of the tensioning structure (9) is fixedly connected to the side of the main body (1); the crawler belt (10) is sleeved on the thrust wheel (4), the driving wheel (6) and the drag chain wheel (8).
2. The combine track tensioning wheel structure of claim 1, wherein: the tensioning arrangement (9) comprises: a hydraulic telescopic column (901), a telescopic rod (902), a bearing (904) and a supporting rod (906); the telescopic rod (902) is arranged at the side of the telescopic part of the hydraulic telescopic column (901), and the telescopic rod (902) is in shaft connection with the telescopic part of the hydraulic telescopic column (901) through a bracket; the bearing (904) is arranged at the side of the telescopic rod (902), and the shell of the bearing (904) is welded with the telescopic part of the telescopic rod (902); the supporting rod (906) is arranged above the bearing (904), and one end of the supporting rod (906) is welded with the shell of the bearing (904).
3. The combine track tensioning wheel structure of claim 2, wherein: the tensioning arrangement (9) further comprises: a spring (905); the spring (905) is arranged between the telescopic rod (902) and the bearing (904), and the spring (905) is sleeved on the telescopic part of the telescopic rod (902).
4. The combine track tensioning wheel structure of claim 2, wherein: the tensioning arrangement (9) further comprises: a hydraulic cylinder (903); the hydraulic oil cylinder (903) is arranged above the telescopic part of the hydraulic telescopic column (901), and the hydraulic oil cylinder (903) is in shaft connection with the telescopic part of the hydraulic telescopic column (901) through a bracket.
5. The combine track tensioning wheel structure of claim 2, wherein: the supporting rod (906) is arranged at the side of the hydraulic oil cylinder (903), and the other end of the supporting rod (906) is connected with the telescopic part of the hydraulic oil cylinder (903) in a shaft way through a bracket.
6. The combine track tensioning wheel structure of claim 2, wherein: the tensioning arrangement (9) further comprises: a main shaft (907), a guide wheel (908), a baffle (909), a fixed ring (910), a fixed bolt (911) and a lock nut (912); the main shaft (907) is sleeved inside the bearing (904), and the main shaft (907) is fixedly connected with the inner ring of the bearing (904); the guide wheel (908) is arranged at the side of the bearing (904), and the guide wheel (908) is sleeved on the main shaft (907); the baffle plates (909) are arranged at the side of the guide wheel (908), and the baffle plates (909) are welded with the main shaft (907); the fixed ring (910) is arranged at the side of the guide wheel (908), and the fixed ring (910) is sleeved on the main shaft (907); the fixing bolt (911) is arranged at the side of the fixing ring (910), and the fixing bolt (911) fixedly connects the fixing ring (910) with the guide wheel (908) through a screw hole; the locking nut (912) is arranged at the side of the fixed ring (910), and the locking nut (912) is screwed with the two ends of the main shaft (907) respectively.
CN202322909365.3U 2023-10-30 2023-10-30 Combine crawler tensioning wheel structure Active CN221273282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322909365.3U CN221273282U (en) 2023-10-30 2023-10-30 Combine crawler tensioning wheel structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322909365.3U CN221273282U (en) 2023-10-30 2023-10-30 Combine crawler tensioning wheel structure

Publications (1)

Publication Number Publication Date
CN221273282U true CN221273282U (en) 2024-07-05

Family

ID=91705784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322909365.3U Active CN221273282U (en) 2023-10-30 2023-10-30 Combine crawler tensioning wheel structure

Country Status (1)

Country Link
CN (1) CN221273282U (en)

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