A traction connection mechanism for agricultural machinery

Abstract

This utility model relates to the field of agricultural machinery components technology, and provides an agricultural machinery traction connection mechanism, including a traction frame. One end of the traction frame is provided with a traction shaft, which is connected to a traction device. On the other side of the traction frame, an installation structure is provided. The installation structure has a fixed suspension plate and a movable suspension plate arranged via a sliding groove. Both suspension plates are equipped with stabilizing components. The two suspension plates, in conjunction with the stabilizing components, connect to the functional modules of the agricultural machinery. When a functional module is subjected to a collision force with the traction device, the collision force is decomposed from both sides into the swinging force of the two suspension plates, preventing the collision force from directly acting on the traction shaft, reducing deformation, and improving connection stability. By adjusting the distance between the movable and fixed suspension plates, it is possible to ensure that the two suspension plates are connected to the appropriate positions of functional modules of different widths, thus better catering to different functional modules at the connection point.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery components, specifically to an agricultural machinery traction connection mechanism. Background Technology

[0002] In modern agricultural machinery applications, in order to reduce the cost of agricultural machinery, many supporting facilities and functional modules of agricultural machinery are generally installed separately. Supporting facilities and functional modules such as loading equipment, seeding equipment, rotary tillage equipment and spraying equipment all require towing equipment for towing.

[0003] The traction process of agricultural machinery requires a connecting mechanism to connect with the corresponding functional modules. The most common connecting mechanism is the pin. Specifically, pin connecting seats are provided on both the traction device and the corresponding functional module. These two pin connecting seats are then directly connected by mating them together. However, this connection method leads to uneven stress on the traction structure when the agricultural machinery travels on uneven terrain. Repeated collisions at the connecting pin can easily cause deformation of the pin rod. The deformed pin rod can affect the disassembly of the functional module from the agricultural machinery and the subsequent installation of the required functional module. Therefore, this case study was developed to address these issues. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides an agricultural machinery traction connection mechanism, which solves the existing background technology problems.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an agricultural machinery traction connection mechanism, including a traction frame, the traction frame being a rectangular frame structure, one side of the traction frame protruding outward to form a first hinge seat, both ends of the first hinge seat being respectively inserted with a traction shaft, the traction shaft being movably connected to an agricultural machinery vehicle, the other side of the traction frame protruding outward to form a pair of hinge ears, and a mounting structure component being movably connected between the pair of hinge ears via a connecting shaft;

[0006] The mounting structure includes a mounting plate. A groove is formed on the first side wall of the mounting plate. A fixed suspension plate is provided at one end of the groove, and a movable suspension plate is slidably mounted at the other end of the groove. A transmission structure is also provided in the inner cavity of the groove. One end of the transmission structure is connected to the movable suspension plate, and the other end of the transmission structure passes through the mounting plate and is connected to a driving component. The driving component is mounted on the outer wall of the mounting plate and can drive the transmission structure to move along the longitudinal direction of the groove, so as to move the movable suspension plate closer to or further away from the fixed suspension plate.

[0007] The tail ends of both the fixed suspension plate and the movable suspension plate are provided with transverse grooves, and both the fixed suspension plate and the movable suspension plate are provided with stabilizing components.

[0008] The stabilizing component includes a stabilizing base. Stabilizing bases are provided on the upper and lower sides of the suspension plate. A connecting hole is provided between the stabilizing bases. A stabilizing rod is provided in the connecting hole. Both ends of the stabilizing rod are provided with external threads. A sealing nut is connected to each end of the stabilizing rod. A thrust bearing is provided on one side of the sealing nut. A stabilizing spring is provided on the side of the thrust bearing away from the sealing nut. A support sleeve is connected to the end of the stabilizing spring. The support sleeve is a truncated conical tube sleeve.

[0009] Preferably, the transmission structure includes a gearbox, a rack, a driving gear, and a driven gear;

[0010] The gearbox is fixedly installed on one end of the mounting plate near the movable suspension plate. The gearbox is connected to the slide groove through a connecting hole. The rack passes through the connecting hole. The drive unit is fixedly installed in the inner cavity of the gearbox. The output shaft of the drive unit is connected to the driving gear. The driving gear meshes with the driven gear. The driving gear is located inside the gearbox, and the driven gear is located inside the slide groove. The driven gear is connected to the inner wall of the mounting plate through a rotating shaft and a bearing. A slider is fixedly connected to the top of the rack located in the slide groove. The slider is connected to the movable suspension plate.

[0011] Preferably, a rotating ring is provided inside the support sleeve, and the rotating ring is sleeved on the stabilizing rod.

[0012] Preferably, the second sidewall of the mounting plate protrudes outward to form a second hinge seat, which is inserted between a pair of hinge ears and connected by the connecting shaft.

[0013] Preferably, the suspension plate is a rectangular plate, and both the fixed suspension plate and the movable suspension plate are rectangular plates, with a thickness of not less than 20mm.

[0014] Preferably, the stabilizing rod is inserted into the connecting hole, and the diameter of the stabilizing rod is not less than 12mm.

[0015] Preferably, the sealing nut is welded to the thrust bearing.

[0016] Preferably, the inner cavity of the support sleeve is a cavity with a double-segment cylindrical structure, and the inner cavity diameter of the support sleeve on the side closer to the suspension plate is smaller than the cavity diameter of the support sleeve on the side farther away from the suspension plate.

[0017] Preferably, the traction frame is provided with triangular reinforcing frames on both sides.

[0018] Beneficial effects

[0019] This utility model provides an agricultural machinery traction connection mechanism. It offers the following advantages: The mechanism uses a traction shaft connected to a traction device on one side of a traction frame. An installation structure is located on the other side of the traction frame. This installation structure features a fixed suspension plate and a movable suspension plate via sliding grooves. Both suspension plates are equipped with stabilizing components. These suspension plates, in conjunction with the stabilizing components, connect to the functional modules of the agricultural machinery. When a collision occurs between the functional module and the traction device, the collision force is decomposed into the swinging force of the two suspension plates from both sides, preventing the collision force from directly acting on the traction shaft, reducing deformation, and improving connection stability. Furthermore, during use, by adjusting the distance between the movable and fixed suspension plates, this utility model ensures that the two suspension plates connect to functional modules of different widths at appropriate positions. This better addresses the connection points of different functional modules, ensuring stability while further enhancing the connection stability of the traction shaft through the installation structure. In conclusion, it better addresses the connection positions of functional modules of different widths, ensuring stability while maintaining stability through the stabilizing components. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of an agricultural machinery traction connection mechanism according to the present invention.

[0021] Figure 2 This is a partial cross-sectional view of the agricultural machinery traction connection mechanism described in this utility model.

[0022] Figure 3 This is an exploded structural diagram of the stabilizing component of the agricultural machinery traction connection mechanism described in this utility model.

[0023] Figure 4 for Figure 2 A top-view cross-sectional structural diagram of the installation structure.

[0024] In the diagram: 1. Traction frame; 11. First hinge seat; 12. Hinge ear; 2. Traction shaft; 3. Cross groove; 4. Stabilizing component; 5. Reinforcing frame; 6. Connecting shaft; 7. Mounting structure; 71. Mounting plate; 711. First side wall; 712. Second hinge seat; 72. Slide groove; 73. Fixed suspension plate; 74. Movable suspension plate; 75. Transmission structure; 751. Gearbox; 752. Rack; 753. Driving gear; 754. Driven gear; 76. Driving component; 710. Tail end; 41. Stabilizing seat; 42. Connecting hole; 43. Stabilizing rod; 44. Sealing nut; 45. Thrust bearing; 46. Stabilizing spring; 47. Support sleeve; 48. Rotating ring. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] In modern agricultural production, the connecting mechanism of agricultural machinery mainly adopts pin connection. However, when the agricultural machinery travels on undulating ground, the traction structure of the agricultural machinery is subjected to uneven force, which can easily lead to deformation of the pin rod.

[0027] According to the instruction manual Figures 1-4 As can be seen, in response to the above problems, this application discloses an agricultural machinery traction connection mechanism, including a traction frame 1, which is a rectangular structure. Furthermore, the traction frame 1 is welded from Q345B high-strength low-alloy steel. One side of the traction frame 1 protrudes outward to form a first hinge seat 11, and traction shafts 2 are respectively inserted into both ends of the first hinge seat 11. The traction shafts 2 are movably connected to the agricultural machinery vehicle. The other side of the traction frame 1 protrudes outward to form a pair of hinge ears 12, and an installation structure 7 is movably connected between the pair of hinge ears 12 through a connecting shaft 6.

[0028] In this embodiment, the mounting structure 7 includes a mounting plate 71, and a groove 72 is formed on the first sidewall 711 of the mounting plate 71. A fixed suspension plate 73 is provided at one end of the groove 72, and a movable suspension plate 74 is slidably mounted at the other end of the groove 72. A transmission structure 75 is also provided in the inner cavity of the groove 72. One end of the transmission structure 75 is connected to the movable suspension plate 74, and the other end of the transmission structure 75 passes through the mounting plate 71 and is connected to a driving member 76. The driving member 76 is mounted on the outer wall of the mounting plate 71, and the driving member 76 can drive the transmission structure 75 to move along the longitudinal direction of the groove 72, so as to drive the movable suspension plate 74 to move closer to or further away from the fixed suspension plate 73. A transverse groove 3 is formed at the tail end 710 of both the fixed suspension plate 73 and the movable suspension plate 74, and a stabilizing component 4 is provided on both the fixed suspension plate 73 and the movable suspension plate 74. The shaft end of the traction shaft 2 is equipped with a self-aligning roller bearing with a contact angle of 15°±0.5°. The bearing seat of the agricultural vehicle adopts a double-lip skeleton oil seal structure and is filled with high-temperature grease, forming a hinge with a three-dimensional swing angle of ±15° with the agricultural vehicle. In this embodiment, the pin shaft part is also wrapped and protected, and is synchronized with the movement trend of the traction locomotive and the agricultural machinery, so that the force on the pin shaft is more balanced.

[0029] In this embodiment, by setting a fixed suspension plate 73 and a movable suspension plate 74, the distance between the two suspension plates can be adjusted so that when different functional modules are replaced, they can be better adapted to different functional modules. This ensures that when different functional modules are replaced, both suspension plates can be effectively connected to both ends of the functional module, thereby improving the stability of the connection between the agricultural machinery traction equipment and the functional module.

[0030] According to the instruction manual Figures 1-3 It can be seen that the stabilizing component 4 includes a stabilizing base 41. Stabilizing bases 41 are provided on the upper and lower sides of the fixed suspension plate 73 and the movable suspension plate 74. A connecting hole 42 is provided between the stabilizing bases 41. A stabilizing rod 43 is installed inside the connecting hole 42. Both ends of the stabilizing rod 43 are provided with external threads. A sealing nut 44 is connected to each end of the stabilizing rod 43. A thrust bearing 45 is provided on one side of the sealing nut 44. A stabilizing spring 46 is provided on the side of the thrust bearing 45 away from the sealing nut 44. A support sleeve 47 is connected to the end of the stabilizing spring 46. The support sleeve 47 is a truncated conical tube sleeve. A rotating ring 48 is provided inside the support sleeve 47 and is sleeved on the stabilizing rod 43.

[0031] In the specific implementation process, a pair of traction shafts 2 of the traction frame 1 are connected to the traction equipment of the traction locomotive. An installation plate 71 is set on one side of the traction frame 1, and the fixed suspension plate 73 and the movable suspension plate 74 set on the installation plate 71 are both made of 20mm thick wear-resistant steel plate, laser-cut and surface-treated by high-frequency quenching. The upper and lower sides of the fixed suspension plate 73 and the movable suspension plate 74 are provided with grooved stable seats 41, and the upper and lower corresponding stable seats 41 are provided with connecting holes 42. The tail ends 710 of the fixed suspension plate 73 and the movable suspension plate 74 are provided with transverse grooves 3. The front end of the functional module of the agricultural machinery and the traction equipment is also set as a transverse plug-in plate parallel to the transverse groove 3. The plug-in plate is inserted into the transverse groove 3. A through hole is opened on the plug-in plate of the agricultural machinery corresponding to the connecting hole 42 for the stabilizing rod 43 to pass through. The stabilizing rod 43 is installed in the connecting hole 42 and passes through the connecting hole 42 and the through hole. The stabilizing rod 43 adopts a composite structure. The sealing nut 44 and the thrust bearing 45 are integrated using laser deep penetration welding. The sealing nut 44 is threaded to the head end of the stabilizing rod 43, which can limit the first end of the stabilizing spring 46. While the connecting hole 42 limits the support sleeve 47, it can also limit the second end of the stabilizing spring 46. The sealing nuts 44 at both ends of the stabilizing rod 43 press the stabilizing spring 46 inward, and the stabilizing spring 46 in turn presses the support sleeve 47, so that the support sleeve 47 is pressed and limited to the inner end of the connecting hole 42. The stabilizing rod 43 pulls and limits the pair of sealing nuts 44 at both ends, ensuring the installation stability of the stabilizing rod 43. Due to the presence of the stabilizing spring 46, the elastic action of the stabilizing spring 46 allows both the fixed suspension plate 73 and the movable suspension plate 74 to swing horizontally within ±8°, improving the stability of the traction agricultural machinery. The rotating ring 48 allows the support sleeve 47 to rotate horizontally, allowing the nut to move freely and preventing the nut from falling off due to the influence of the stabilizing rod 43.

[0032] Furthermore, the second sidewall of the mounting plate 71 protrudes outward to form a second hinge seat 712, which is inserted between a pair of hinge ears 12 and connected by the connecting shaft 6. By covering the connecting shaft 6 with the second hinge seat 712, deformation of the connecting shaft 6 is prevented, ensuring the stability of the connecting shaft 6.

[0033] Furthermore, both the fixed suspension plate 73 and the movable suspension plate 74 are rectangular plates, and the thickness of the fixed suspension plate 73 and the movable suspension plate 74 is not less than 20mm, which improves the structural stability.

[0034] As a preferred option, the stabilizing member 43 is inserted into the connecting hole 42, and the diameter of the stabilizing member 43 is not less than 12mm, thereby improving the structural strength.

[0035] As a preferred option, the sealing nut 44 is further welded to the thrust bearing 45.

[0036] As a preferred option, the inner cavity of the support sleeve 47 is a double-section cylindrical cavity. The inner cavity diameter of the support sleeve 47 on the side closer to the fixed suspension plate 73 or the movable suspension plate 74 is smaller than the cavity diameter on the side of the support sleeve 47 away from the fixed suspension plate 73 and the movable suspension plate 74. The double-section cylindrical cavities are fixed together by a slope angle structure.

[0037] As a preferred embodiment, the traction frame 1 is provided with triangular reinforcing frames 5 on both sides. The reinforcing frames 5 are provided to improve the connection stability between the mounting plate 71 and the traction frame 1.

[0038] Further, the transmission structure 75 includes a gearbox 751, a rack 752, a driving gear 753, and a driven gear 754. The gearbox 751 is fixedly mounted on one end of the mounting plate 71 near the movable suspension plate 74. The gearbox 751 is connected to the slide groove 72 through a connecting hole. The rack 752 passes through the connecting hole. The drive unit 76 is fixedly mounted inside the gearbox 751. The output shaft of the drive unit 76 is connected to the driving gear 753. The driving gear 753 meshes with the driven gear 754, with the driving gear 753 located inside the gearbox 751 and the driven gear 754 located inside the slide groove 72. The driven gear 754 is connected to the inner wall of the mounting plate 71 via a rotating shaft and bearings. A slider is fixedly connected to the top of the portion of the rack 752 located in the slide groove 72, and the slider is connected to the movable suspension plate 74. Specifically, the drive unit 76 (i.e., a micro stepper motor), model ULN2003, is activated.

[0039] In this embodiment, the transmission structure 75 simplifies the transmission structure, increases transmission efficiency, and facilitates operation. Only the forward and reverse rotation of the drive component 76 (i.e., the micro-motor) is needed to slide the rack 752, thereby driving the movable suspension plate 74 to slide along the longitudinal length of the groove 72. The forward and reverse rotation of the drive component 76 is existing technology and will not be elaborated upon here.

[0040] In summary, this agricultural machinery traction connection mechanism features a traction shaft 2 connected to the traction equipment on one side of the traction frame 1. An installation structure 7 is located on the other side of the traction frame 1. The installation structure 7 has a fixed suspension plate 73 and a movable suspension plate 74 mounted on it via a sliding groove 72. These two suspension plates are connected to the functional modules of the agricultural machinery. When a collision occurs between the functional module and the traction equipment, the collision force is decomposed into the swinging force of the two suspension plates from both sides, preventing the collision force from directly acting on the traction shaft 2, reducing deformation, and improving connection stability. Furthermore, during use, by adjusting the distance between the movable suspension plate 74 and the fixed suspension plate 73, this invention ensures that the two suspension plates are connected to functional modules of different widths at appropriate positions. This better addresses the connection of different functional modules at the connection point, ensuring stability while further enhancing the connection stability of the traction shaft 2 through the installation structure 7. Consequently, it better addresses the connection positions of functional modules of different widths, ensuring stability while maintaining stability through the stabilizing component 4. Meanwhile, the connecting shaft 6 is protected by the second hinge seat 712, which synchronizes with the movement of the traction locomotive and agricultural machinery, making the force on the pin shaft more balanced.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tractor hitching mechanism, comprising a hitch frame (1), the hitch frame (1) being a rectangular structure frame, one side of the hitch frame (1) outwardly protruding to form a first hinging seat (11), both ends of the first hinging seat (11) respectively being inserted with a hitch shaft (2), the hitch shaft (2) being movably connected with a tractor vehicle, characterized in that, The other side of the traction frame (1) protrudes outward to form a pair of hinge ears (12), and the pair of hinge ears (12) are movably connected to the mounting structure (7) by a connecting shaft (6). The mounting structure (7) includes a mounting plate (71). A groove (72) is provided on the first side wall (711) of the mounting plate (71). A fixed suspension plate (73) is provided at one end of the groove (72), and a movable suspension plate (74) is slidably installed at the other end of the groove (72). A transmission structure (75) is also provided in the inner cavity of the groove (72). One end of the transmission structure (75) is connected to the movable suspension plate (74), and the other end of the transmission structure (75) passes through the mounting plate (71) and is connected to a driving member (76). The driving member (76) is installed on the outer wall of the mounting plate (71). The driving member (76) can drive the transmission structure (75) to move along the longitudinal direction of the groove (72) to move the movable suspension plate (74) closer to or further away from the fixed suspension plate (73). The tail end (710) of both the fixed suspension plate (73) and the movable suspension plate (74) is provided with a transverse groove (3), and both the fixed suspension plate (73) and the movable suspension plate (74) are provided with a stabilizing component (4). The stabilizing component (4) includes a stabilizing seat (41). The fixed suspension plate (73) and the movable suspension plate (74) are provided with stabilizing seats (41) on their upper and lower sides. A connecting hole (42) is provided between the stabilizing seats (41). A stabilizing rod (43) is provided in the connecting hole (42). Both ends of the stabilizing rod (43) are provided with external threads. Both ends of the stabilizing rod (43) are respectively connected to a sealing nut (44). A thrust bearing (45) is provided on one side of the sealing nut (44). A stabilizing spring (46) is provided on the side of the thrust bearing (45) away from the sealing nut (44). A support sleeve (47) is connected to the end of the stabilizing spring (46). The support sleeve (47) is a truncated conical tube sleeve.

2. The agricultural machinery traction connection mechanism according to claim 1, characterized in that, The transmission structure (75) includes a gearbox (751), a rack (752), a driving gear (753), and a driven gear (754). The gearbox (751) is fixedly installed on one end of the mounting plate (71) near the movable suspension plate (74). The gearbox (751) is connected to the slide groove (72) through a connecting hole. The rack (752) passes through the connecting hole. The drive member (76) is fixedly installed in the inner cavity of the gearbox (751). The output shaft of the drive member (76) is connected to the driving gear (753). The driving gear (753) meshes with the driven gear (754). The driving gear (753) is located inside the gearbox (751). The driven gear (754) is located inside the slide groove (72). The driven gear (754) is connected to the inner wall of the mounting plate (71) through a rotating shaft and a bearing. A slider is fixedly connected to the top of the part of the rack (752) located in the slide groove (72). The slider is connected to the movable suspension plate (74).

3. The agricultural machinery traction connection mechanism according to claim 1, characterized in that, The support sleeve (47) is provided with a rotating ring (48), which is sleeved on the stabilizing rod (43).

4. The agricultural machinery traction connection mechanism according to claim 1, characterized in that, The second sidewall of the mounting plate (71) protrudes outward to form a second hinge seat (712), which is inserted between a pair of hinge ears (12) and connected by the connecting shaft (6).

5. The agricultural machinery traction connection mechanism according to claim 2, characterized in that, Both the fixed suspension plate (73) and the movable suspension plate (74) are rectangular plates, and the thickness of the fixed suspension plate (73) and the movable suspension plate (74) is not less than 20mm.

6. The agricultural machinery traction connection mechanism according to claim 5, characterized in that, The stabilizing rod (43) is inserted into the connecting hole (42), and the diameter of the stabilizing rod (43) is not less than 12mm.

7. The agricultural machinery traction connection mechanism according to claim 5, characterized in that, The sealing nut (44) is welded to the thrust bearing (45).

8. The agricultural machinery traction connection mechanism according to claim 6, characterized in that, The inner cavity of the support sleeve (47) is a double-segment cylindrical cavity. The inner cavity diameter of the support sleeve (47) on the side closer to the fixed suspension plate (73) or the movable suspension plate (74) is smaller than the cavity diameter of the support sleeve (47) on the side farther away from the fixed suspension plate (73) or the movable suspension plate (74).

9. The agricultural machinery traction connection mechanism according to claim 8, characterized in that, The traction frame (1) is provided with a triangular reinforcing frame (5) on both sides.

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