Bent connecting rod and floating feeding roller mounting structure for green feed harvester
By adopting a curved connecting rod structure in the forage harvester, the problems of long cantilever and large bending moment in the drive sprocket transmission plane are solved, improving the stability and service life of the feeding system and meeting the high-efficiency requirements of agricultural production.
Patent Information
- Application Number
- CN202520109701.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In existing forage harvesters, the drive sprocket transmission plane of the feeding system has a long cantilever, and the bending moment between the rotating shaft and the fixed shaft at the upper and rear floating rollers is large, which leads to wear and fatigue damage of parts and affects service life.
A curved connecting rod for a forage harvester is designed, employing a special curved connecting rod structure. Through the cooperation of the vertical connecting rod, the oblique connecting rod, and the horizontal curved rod, the connecting rod length is shortened, the bending moment borne by the fixed shaft and the rotating shaft is reduced, and its stability and service life are improved.
It effectively reduces the bending moment of the fixed shaft and rotating shaft, improves the service life of the feeding system, and meets the needs of modern agricultural production for efficient and stable operation of machinery and equipment.
Smart Images

Figure CN223694376U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to green forage harvester field, concretely relates to a kind of green forage harvester is with curved connecting rod and floating feeding roller mounting structure. BACKGROUND
[0002] In the rapid development of agricultural mechanization, green forage harvester as the key equipment of livestock feed collection and processing, the optimization of its technical performance is of great significance to improve breeding efficiency and reduce production cost.
[0003] At present, the feeding system of traditional green forage harvester is usually composed of two pairs of feeding rollers, one above the other. In order to ensure that the compaction degree of incoming material is not affected by factors such as moisture content of material, machine speed, plant density, etc., the feeding system of green forage harvester usually adopts a structure with self-adaptive floating and compacting function. Specifically, the upper two feeding rollers are usually designed as floating rollers, and the rotating shaft of the upper rear floating roller part is connected with the fixed shaft through a connecting rod, so that the rotating shaft of the upper rear floating roller part can rotate with the fixed shaft through a chain transmission structure, and can also rotate around the fixed shaft.
[0004] However, since the connecting rod between the rotating shaft and the fixed shaft at the upper rear floating roller part of the existing green forage harvester is usually in the form of a straight connecting rod, it has the advantages of simple shape and easy manufacturing, but it also has obvious disadvantages: due to the structural characteristics of the straight connecting rod, the transmission plane of the drive sprocket at the upper rear floating roller part is long, and the fixed shaft and rotating shaft associated with it bear a large bending moment, so these parts are prone to wear and fatigue damage due to excessive bending moment during long-term operation, which seriously affects their service life. SUMMARY
[0005] The utility model aims at the problems of long transmission plane cantilever of drive sprocket, large bending moment of upper rear floating roller in the feeding system part of existing green forage harvester, proposes and designs a curved connecting rod and floating feeding roller mounting structure for green forage harvester, and makes it overcome the above problems, effectively improve the service life of feeding system part.
[0006] In order to achieve the above object, in one aspect, the utility model provides a kind of green fodder harvester with bent connecting rod, it includes connecting rod body, the one end of connecting rod body is set as rotating shaft connecting portion, the upper end of rotating shaft connecting portion is provided with vertical connecting rod portion, the upper end of vertical connecting rod portion is provided with horizontal connecting portion, the one end of horizontal connecting portion away from vertical connecting rod portion is bent with inclined connecting rod portion downwards, the one end of inclined connecting rod portion away from horizontal connecting portion is provided with fixed shaft connecting portion, and horizontal bend rod portion is connected between fixed shaft connecting portion and rotating shaft connecting portion.This time since the bent connecting rod for green fodder harvester provided by the utility model adopts special bending shape, it can be used as connecting rod to realize the stable connection between rotating shaft and fixed shaft, and the whole length of whole connecting rod structure can be shortened by the cooperation of vertical connecting rod portion, inclined connecting rod portion and horizontal bend rod portion, the bending moment borne by associated fixed shaft and rotating shaft is reduced, and the service life of key components such as fixed shaft and rotating shaft is further improved.
[0007] Further, rotating shaft mounting hole is penetrated in horizontal direction along the one end of rotating shaft installation hole away from horizontal bend rod portion, and rotating shaft is assembled together with the rotating shaft of upper rear floating roller part through the rotating shaft mounting hole.
[0008] Further, the upper side wall of slot one and the lower side wall of slot one are both penetrated with through hole, so that on the one hand, the rotating shaft can be easily installed into rotating shaft mounting hole by the slot one, and on the other hand, the stability between rotating shaft connecting portion and rotating shaft can be ensured by the through hole at this position and fasteners such as bolts installed in the through hole, to avoid loosening.
[0009] Further, fixed shaft mounting hole is penetrated in horizontal direction along the one end of fixed shaft installation hole away from horizontal bend rod portion, and fixed shaft is assembled together with the fixed shaft of upper rear floating roller part through the fixed shaft mounting hole.
[0010] Further, the upper side wall of slot two and the lower side wall of slot two are both penetrated with through hole, so that on the one hand, the fixed shaft can be easily installed into fixed shaft mounting hole by the slot two, and on the other hand, the stability between fixed shaft connecting portion and fixed shaft can be ensured by the through hole at this position and fasteners such as bolts installed in the through hole, to avoid loosening.
[0011] In another aspect, the utility model provides a kind of green fodder harvester with floating feeding roller mounting structure, it includes fixed shaft and rotating shaft, fixed shaft rotation is installed with directional sprocket, rotating shaft is fixedly installed with driving sprocket, driving sprocket and directional sprocket between installation have transmission chain;It further includes the above-mentioned green fodder harvester with bend connecting rod, the rotating shaft connecting portion of green fodder harvester with bend connecting rod is rotatably connected with rotating shaft, the fixed shaft connecting portion of green fodder harvester with bend connecting rod is rotatably connected with fixed shaft, the horizontal connecting portion of green fodder harvester with bend connecting rod is located the outside of transmission chain, the horizontal bend rod portion of green fodder harvester with bend connecting rod is located the inside of transmission chain, the vertical connecting rod portion and inclined connecting rod portion of green fodder harvester with bend connecting rod are located respectively the front and back of transmission chain.Based on this, the utility model can ensure that rotating shaft can rotate floating around fixed shaft by the green fodder harvester with bend connecting rod, and the transmission plane cantilever length of whole chain transmission mechanism can be shortened by the special structure of the green fodder harvester with bend connecting rod, the bending moment that the fixed shaft, rotating shaft associated with it bear is reduced, and then the service life of fixed shaft, rotating shaft and other key components is improved, meet the demand of modern agricultural production for mechanical equipment efficient, stable operation.
[0012] From the above technical solution, the utility model has the following advantages: the green fodder harvester with bend connecting rod provided by the utility model can ensure that rotating shaft can rotate floating around fixed shaft, to ensure that the compaction degree of incoming material is not influenced by factors such as moisture content of material, machine running speed, plant planting density, and the transmission plane cantilever length of whole chain transmission mechanism can be shortened by the special shape and structure of the green fodder harvester with bend connecting rod, the bending moment that the fixed shaft, rotating shaft associated with it bear is reduced, and then the service life of fixed shaft, rotating shaft and other key components is improved, meet the demand of modern agricultural production for mechanical equipment efficient, stable operation. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the utility model, the drawings needed to be used in the description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0014] Figure 1 It is the structural schematic diagram of the embodiment of the utility model.
[0015] In the drawing: 1, fixed shaft;2, rotating shaft;3, directional sprocket;4, driving sprocket;5, transmission chain;6, horizontal connecting portion;7, inclined connecting rod portion;8, vertical connecting rod portion;9, horizontal bend rod portion;10, rotating shaft connecting portion;11, green fodder harvester with bend connecting rod. DETAILED DESCRIPTION
[0016] In order to make the purpose, characteristics and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the patent.
[0017] Embodiment one
[0018] As Figure 1 described, the embodiment one provides a bent connecting rod for a forage harvester, which comprises a connecting rod body, and two ends of the connecting rod body are respectively provided with a rotating shaft connecting part 10 and a fixed shaft connecting part. The rotating shaft connecting part 10 is used to install a rotating shaft 2 of an upper rear floating roller part of a feeding system in the forage harvester, and the fixed shaft connecting part is used to install a fixed shaft 1 of the upper rear floating roller part of the feeding system in the forage harvester.
[0019] Specifically in the embodiment one, the rotating shaft connecting part 10 is penetrated by a rotating shaft mounting hole in the horizontal direction, and an end of the rotating shaft mounting hole away from the fixed shaft connecting part is penetrated by a slot one in the horizontal direction. The upper side wall of the slot one and the lower side wall of the slot one are both penetrated by through holes. In this way, when the embodiment one and the rotating shaft 2 are assembled together, the connecting rod body in the embodiment one can be sleeved on one end of the rotating shaft 2 by using the rotating shaft mounting hole, and in this process, the assembly action of the rotating shaft 2 can be facilitated for the staff through the slot one, so as to avoid the jamming phenomenon caused by the too small gap between the rotating shaft 2 and the rotating shaft mounting hole in the installation process. Then, fasteners such as locking bolts are installed at the upper side wall and the lower side wall of the slot one through the through holes, and the end of the locking bolt is screwed with a locking nut through the two through holes, so as to stably connect the rotating shaft connecting part 10 and the rotating shaft 2 together, and in the process of tightening the locking nut, it is necessary to ensure that the rotating shaft 2 can rotate freely relative to the rotating shaft connecting part 10.
[0020] The fixed shaft connecting portion is penetrated by a fixed shaft mounting hole in the horizontal direction, and a slot two is penetrated by a through hole in the upper side wall and the lower side wall of the slot one. When assembling the first embodiment with the fixed shaft 1, the connecting rod body in the first embodiment can be sleeved on one end of the fixed shaft 1 through the fixed shaft mounting hole, and in this process, the staff can conveniently assemble the fixed shaft 1 through the slot two, avoiding the jamming phenomenon caused by the too small gap between the fixed shaft 1 and the fixed shaft mounting hole during installation. Then, the locking bolt and other fasteners are installed through the through holes in the upper side wall and the lower side wall of the slot two, and the end of the locking bolt is screwed with the locking nut through the two through holes, so that the fixed shaft connecting portion and the fixed shaft 1 are stably connected together, and in the process of tightening the locking nut, it needs to ensure that the fixed shaft 1 can rotate freely relative to the fixed shaft connecting portion.
[0021] In addition, the first embodiment also provides a vertical connecting rod portion 8 at the upper end of the rotating shaft connecting portion 10, which can be curved or straight, and the upper end of the vertical connecting rod portion 8 is provided with a horizontal connecting portion 6, the end of which away from the vertical connecting rod portion 8 is bent downwardly to form an inclined connecting rod portion 7, and the end of the inclined connecting rod portion 7 away from the horizontal connecting portion 6 is connected with the fixed shaft connecting portion. A horizontal curved rod portion 9 is connected between the fixed shaft connecting portion and the rotating shaft connecting portion 10, which is similar to L-shaped. When assembling the first embodiment with the rotating shaft and the fixed shaft, the vertical connecting rod portion 8 and the inclined connecting rod portion 7 need to be located on the front and rear sides of the chain transmission mechanism connected between the rotating shaft and the fixed shaft, the horizontal connecting portion 6 needs to be located on the outside of the chain transmission mechanism connected between the rotating shaft and the fixed shaft, and the horizontal curved rod portion 9 needs to be located inside the chain transmission mechanism connected between the rotating shaft and the fixed shaft, i.e. between the upper and lower transmission planes of the transmission chain 5 of the chain transmission mechanism.
[0022] The curved connecting rod provided by the first embodiment can not only realize stable connection between the rotating shaft and the fixed shaft, but also shorten the length of the entire connecting rod structure through the cooperation of the vertical connecting rod portion 8, the inclined connecting rod portion 7 and the horizontal curved rod portion 9, thereby reducing the bending moment borne by the fixed shaft and the rotating shaft associated therewith, and further improving the service life of the key components such as the fixed shaft and the rotating shaft.
[0023] Embodiment two
[0024] As Figure 1As shown, the second embodiment provides a floating feeding roller mounting structure for a green feed harvester, which comprises a fixed shaft 1 and a rotating shaft 2. Wherein, the fixed shaft 1 is rotationally installed with a directional sprocket 3, the rotating shaft 2 is fixedly installed with a driving sprocket 4, and the driving sprocket 4 and the directional sprocket 3 are installed with a transmission chain 5. In this way, external power can be first transmitted to the directional sprocket 3, and then transmitted to the driving sprocket 4 through the transmission chain 5, so as to drive the rotating shaft 2 to rotate, so as to realize the corresponding compaction action.
[0025] It also comprises the green feed harvester bending connecting rod 11 described in the first embodiment, and the rotating shaft connecting part 10 of the green feed harvester bending connecting rod 11 is rotationally connected with the rotating shaft 2, the fixed shaft connecting part of the green feed harvester bending connecting rod 11 is rotationally connected with the fixed shaft 1, the horizontal connecting part 6 of the green feed harvester bending connecting rod 11 is located on the outside of the transmission chain 5, the horizontal bending rod part 9 of the green feed harvester bending connecting rod 11 is located on the inside of the transmission chain 5, and the vertical connecting rod part 8 and the inclined connecting rod part 7 of the green feed harvester bending connecting rod 11 are located on the front and rear sides of the transmission chain 5 respectively.
[0026] Based on this, the second embodiment can not only ensure that the rotating shaft 2 can rotate around the fixed shaft 1 under the action of external force through the green feed harvester bending connecting rod 11, but also shorten the transmission plane cantilever length of the entire chain transmission mechanism through the special structure of the green feed harvester bending connecting rod 11, reduce the bending moment borne by the fixed shaft 1 and the rotating shaft 2 associated therewith, and further improve the service life of the key components such as the fixed shaft 1 and the rotating shaft 2, so as to meet the demand of modern agricultural production for efficient and stable operation of mechanical equipment.
[0027] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application should not be limited to the embodiments shown herein, but should be consistent with the widest scope of principles and novel features disclosed herein.
Claims
1. A bent connecting rod for a forage harvester, comprising a connecting rod body, characterized in that, One end of the connecting rod body is set as a rotating shaft connection part, the upper end of the rotating shaft connection part is set as a vertical connecting rod part, the upper end of the vertical connecting rod part is set as a horizontal connecting part, the end of the horizontal connecting part away from the vertical connecting rod part is bent downward as an oblique connecting rod part, the end of the oblique connecting rod part away from the horizontal connecting part is set as a fixed shaft connection part, and a horizontal bent rod part is connected between the fixed shaft connection part and the rotating shaft connection part.
2. The bent connecting rod for a forage harvester according to claim 1, characterized in that, The rotating shaft connection part has a rotating shaft mounting hole running horizontally through it.
3. The bent connecting rod for a forage harvester according to claim 2, characterized in that, A slot is formed horizontally through the end of the rotating shaft mounting hole away from the horizontal bent rod. Both the upper and lower sidewalls of the slot have through holes.
4. The bent connecting rod for a forage harvester according to claim 1, characterized in that, The fixed shaft connection part has a fixed shaft mounting hole running through it in the horizontal direction.
5. The bent connecting rod for a forage harvester according to claim 4, characterized in that, A slot 2 is formed horizontally through the end of the fixed shaft mounting hole away from the horizontal bent rod. Both the upper and lower sidewalls of the slot 2 have through holes.
6. A floating feed roller mounting structure for a forage harvester, comprising a fixed shaft and a rotating shaft, wherein a directional sprocket is rotatably mounted on the fixed shaft, a drive sprocket is fixedly mounted on the rotating shaft, and a transmission chain is installed between the drive sprocket and the directional sprocket; characterized in that, It also includes a bent connecting rod for a forage harvester according to any one of claims 1-5, wherein the rotating shaft connecting part of the bent connecting rod for the forage harvester is rotatably connected to the rotating shaft, the fixed shaft connecting part of the bent connecting rod for the forage harvester is rotatably connected to the fixed shaft, the horizontal connecting part of the bent connecting rod for the forage harvester is located on the outside of the transmission chain, the horizontal bent part of the bent connecting rod for the forage harvester is located on the inside of the transmission chain, and the vertical connecting part and the oblique connecting part of the bent connecting rod for the forage harvester are located on the front and rear sides of the transmission chain, respectively.