Gearbox for low-resistance crawler-type wheat harvester

Abstract

The utility model relates to the technical field of gearboxes of wheat harvesters, discloses a gearbox for a low-resistance crawler-type wheat harvester, and solves the problems that in the use process of the gearbox for the low-resistance crawler-type wheat harvester, after being fixedly installed, the gearbox is inconvenient to disassemble quickly, so that maintenance operation is inconvenient, and the work efficiency is high. The gear box comprises a gear box body, a supporting plate is fixedly installed at the bottom of the gear box body, strip-shaped fixing seats are symmetrically and fixedly installed at the bottom of the supporting plate, and fixing holes are symmetrically formed in the two strip-shaped fixing seats in a penetrating mode. A mounting bottom plate is arranged under the supporting plate, and an adjusting and fixing assembly is fixedly mounted at the top of the mounting bottom plate. According to the gearbox for the low-resistance crawler-type wheat harvester, in the using process, the gearbox for the low-resistance crawler-type wheat harvester can be conveniently and rapidly disassembled after being fixedly installed, and maintenance operation is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheat harvester gearboxes, in particular to a gearbox for a low-resistance crawler-type wheat harvester. Background Art

[0002] Harvester is an integrated machine for harvesting crops. There are many types of harvesters, and low-resistance crawler wheat harvester is one of them. The gearbox is an important component of the low-resistance crawler wheat harvester. During the use of the gearbox of the low-resistance crawler wheat harvester, it is not convenient to disassemble it quickly after fixed installation, which makes it inconvenient to carry out maintenance operations, reduces work efficiency, and makes it difficult to achieve better practicality. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a gearbox for a low-resistance crawler wheat harvester, which effectively solves the problem that the gearbox for the low-resistance crawler wheat harvester is not easy to disassemble quickly after being fixed and installed during use, resulting in inconvenience for maintenance operations, reducing work efficiency, and thus making it difficult to achieve better practicality.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gearbox for a low-resistance crawler wheat harvester, comprising a gearbox body, a support plate fixedly mounted on the bottom of the gearbox body, a strip-shaped fixing seat symmetrically fixedly mounted on the bottom of the support plate, and fixing holes symmetrically penetrated through the insides of the two strip-shaped fixing seats, a mounting base plate is arranged directly below the support plate, mounting holes are penetrated through the four corners of the mounting base plate, an adjustment fixing assembly is fixedly mounted on the top of the mounting base plate, and the two strip-shaped fixing seats are connected to the adjustment fixing assembly, the adjustment fixing assembly comprises symmetrically arranged fixing frames, and the two strip-shaped fixing seats are respectively located inside the two fixing frames, The two fixed frames are fixedly installed on the top of the mounting base plate, a bar frame is fixedly installed between the two fixed frames and at the top of the mounting base plate, a bidirectional screw is rotatably installed inside the bar frame, and a threaded sleeve is symmetrically threadedly installed on the outer side of the bidirectional screw, a retaining ring is fixedly installed between the two threaded sleeves and at the outer side of the bidirectional screw, a first connecting shaft is symmetrically fixedly installed on the outer side of the two threaded sleeves, a connecting strip is rotatably installed on the first connecting shaft, a second connecting shaft is rotatably installed on one end of the connecting strip away from the first connecting shaft, a fixing rod is fixedly installed on one side of the second connecting shaft, and the fixing rod is movably installed through the interior of the fixing frame, and the fixing rod is movably installed through the interior of the fixing hole.

[0005] Preferably, a drive housing is fixedly installed on the top of the mounting base plate, and one end of the bidirectional screw rod movably passes through and extends into the interior of the drive housing, a drive shaft rod is rotatably installed inside the drive housing, and the top of the drive shaft rod extends to support the top of the drive housing, an adjusting block is fixedly installed on the top of the drive shaft rod, and the adjusting block is a regular hexagonal structure, an adjusting thread is provided on the outer side of the top end of the drive shaft rod, a locking nut is installed on the outer thread of the adjusting thread, and the bottom of the locking nut is in contact with the top of the drive housing, a first bevel gear is fixedly installed inside the drive housing and on the outer side of the drive shaft rod, a second bevel gear is meshedly connected to the outer side of the first bevel gear, and the second bevel gear is fixedly connected to the bidirectional screw rod on the side away from the first bevel gear.

[0006] Preferably, a first positioning slide block is fixedly installed on the top of the threaded sleeve, a first positioning slot is symmetrically provided on the top of the bar frame, and the first positioning slide block is slidably penetrated and installed inside the first positioning slot.

[0007] Preferably, an annular slide is fixedly installed on the outer side of one end of the fixing rod close to the second connecting shaft, a positioning slide is installed on the inner sliding penetration of the annular slide, and one end of the positioning slide is fixedly connected to the outer side of the fixing frame, a positioning block is fixedly installed on the other end of the positioning slide, and the positioning block is fixedly installed on the top of the mounting base plate, a second positioning slide is symmetrically fixedly installed on the inner wall of the annular slide, a second positioning groove is symmetrically opened on the outer side of the positioning slide, and the second positioning slide is slidably installed inside the second positioning groove.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1) During operation, through the interaction of the gearbox body, the support plate, the bar-shaped fixing seat, the fixing hole, the mounting base plate, the mounting hole and the adjusting and fixing assembly, the gearbox for the low-resistance crawler wheat harvester can be quickly disassembled after being fixed and installed during use, so as to facilitate maintenance operations, improve work efficiency, and thus facilitate better practicality;

[0010] 2) During operation, through the interaction of the annular slide, the positioning slide rod, the positioning block, the second positioning slide block and the second positioning slide groove, the fixing rod can achieve better stability when moving, thereby ensuring that the adjustment and fixing assembly can work stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached picture:

[0013] Figure 1 This is a schematic structural diagram of a gearbox for a low-resistance crawler-type wheat harvester of the utility model;

[0014] Figure 2 This is a schematic diagram of the bottom structure of the support plate of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the adjustment and fixing assembly of the utility model;

[0016] Figure 4 It is a schematic diagram of the enlarged structure of the annular slide of the utility model.

[0017] In the figure: 1. gearbox body; 2. support plate; 3. strip fixing seat; 4. fixing hole; 5. mounting base; 6. mounting hole; 7. adjustment fixing assembly; 8. fixing frame; 9. strip frame; 10. bidirectional screw; 11. threaded sleeve; 12. retaining ring; 13. first connecting shaft; 14. connecting strip; 15. second connecting shaft; 16. fixing rod; 17. driving housing; 18. driving shaft; 19. adjusting block; 20. adjusting thread; 21. locking nut; 22. first bevel gear; 23. second bevel gear; 24. first positioning slide block; 25. first positioning slide groove; 26. annular slide seat; 27. positioning slide rod; 28. positioning block; 29. ​​second positioning slide block; 30. second positioning slide groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] Embodiment 1, by Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model includes a gearbox body 1, a support plate 2 is fixedly installed at the bottom of the gearbox body 1, a strip fixing seat 3 is symmetrically fixedly installed at the bottom of the support plate 2, and the insides of the two strip fixing seats 3 are symmetrically penetrated with fixing holes 4, a mounting base plate 5 is arranged directly below the support plate 2, and mounting holes 6 are penetrated at the four corners of the mounting base plate 5, an adjustment fixing assembly 7 is fixedly installed on the top of the mounting base plate 5, and the two strip fixing seats 3 are connected to the adjustment fixing assembly 7;

[0020] The adjustment and fixing assembly 7 includes a symmetrically arranged fixing frame 8, and two strip fixing seats 3 are respectively located inside the two fixing frames 8, and the two fixing frames 8 are fixedly installed on the top of the mounting base plate 5. A strip frame 9 is fixedly installed between the two fixing frames 8 and located on the top of the mounting base plate 5. A bidirectional screw 10 is rotatably installed inside the strip frame 9, and a threaded sleeve 11 is symmetrically threadedly installed on the outside of the bidirectional screw 10. A retaining ring 12 is fixedly installed between the two threaded sleeves 11 and located on the outside of the bidirectional screw 10. A first positioning slider 24 is fixedly installed on the top of the threaded sleeve 11, and a first positioning slot 25 is symmetrically opened on the top of the strip frame 9, and the first positioning The slider 24 is installed in the first positioning slot 25 through sliding, and the first connecting shaft 13 is symmetrically fixedly installed on the outer sides of the two threaded sleeves 11. The connecting strip 14 is rotatably installed on the first connecting shaft 13. The second connecting shaft 15 is rotatably installed on the end of the connecting strip 14 away from the first connecting shaft 13. A fixing rod 16 is fixedly installed on one side of the second connecting shaft 15, and the fixing rod 16 is movably installed in the fixing frame 8. The fixing rod 16 is movably installed in the fixing hole 4. An annular slide seat 26 is fixedly installed on the outer side of the end of the fixing rod 16 close to the second connecting shaft 15, and a positioning slide rod 27 is installed in the inner side of the annular slide seat 26 through sliding. , and one end of the positioning slide bar 27 is fixedly connected to the outer side of the fixed frame 8, and the other end of the positioning slide bar 27 is fixedly installed with a positioning block 28, and the positioning block 28 is fixedly installed on the top of the mounting base plate 5, and the inner wall of the annular slide 26 is symmetrically fixedly installed with a second positioning slide block 29, and the outer side of the positioning slide bar 27 is symmetrically provided with a second positioning slot 30, and the second positioning slide block 29 is slidably installed inside the second positioning slot 30, and the top of the mounting base plate 5 is fixedly installed with a drive housing 17, and one end of the bidirectional screw 10 movably penetrates and extends to the inside of the drive housing 17, and the drive shaft 18 is rotatably installed inside the drive housing 17, and the drive shaft The top of the rod 18 extends to support the top of the drive housing 17, and an adjustment block 19 is fixedly installed on the top of the drive shaft 18, and the adjustment block 19 is a regular hexagonal structure. An adjustment thread 20 is opened on the outside of the top of the drive shaft 18, and a locking nut 21 is installed on the outer thread of the adjusting thread 20, and the bottom of the locking nut 21 is in contact with the top of the drive housing 17. A first bevel gear 22 is fixedly installed inside the drive housing 17 and on the outside of the drive shaft 18. The outer side of the first bevel gear 22 is meshed and connected with a second bevel gear 23, and the second bevel gear 23 is fixedly connected to the bidirectional screw 10 on the side away from the first bevel gear 22.

[0021] During use, through the interaction of the gearbox body 1, support plate 2, strip fixing seat 3, fixing hole 4, mounting base plate 5, mounting hole 6 and adjusting fixing assembly 7, the gearbox for the low-resistance crawler wheat harvester can be quickly disassembled during use after fixed installation, so as to facilitate maintenance operations, improve work efficiency, and thus achieve better practicality. In addition, through the interaction of the annular slide 26, positioning slide rod 27, positioning block 28, second positioning slide block 29 and second positioning slide groove 30, the fixing rod 16 can achieve better stability when moving, thereby ensuring that the adjusting fixing assembly 7 can work stably.

[0022] Working principle: When working, first use the fixing screws that match the diameter of the mounting hole 6 to fix the mounting base plate 5, so that the entire gearbox can be fixedly installed. When it needs to be disassembled for inspection, hold the adjustment block 19 to keep the drive shaft 18 still, then loosen the locking nut 21 to release the positioning of the drive shaft 18, and then rotate the adjustment block 19 to drive the drive shaft 18 to rotate, the drive shaft 18 drives the first bevel gear 22 to rotate, the first bevel gear 22 drives the second bevel gear 23 to rotate, and the second bevel gear 23 drives the bidirectional screw 10 to rotate, the bidirectional screw 10 drives the threaded sleeve 11 to move, the threaded sleeve 11 drives the first positioning slide block 24 to slide inside the first positioning slide groove 25, which can ensure that the threaded sleeve 11 achieves better stability when moving, and at the same time the threaded sleeve 11 drives the first connecting shaft 13 to move, the first connecting shaft 13 drives the connecting strip 14 to move, the connecting strip 14 drives the fixing rod 16 to move through the second connecting shaft 15, the fixing rod 16 drives the annular slide seat 26 to slide on the outside of the positioning slide rod 27, and the annular slide seat 26 The second positioning slide block 29 is driven to slide inside the second positioning slot 30, which can ensure that the fixing rod 16 achieves better stability when moving. At the same time, the fixing rod 16 moves and disengages from the fixing hole 4, releasing the fixation of the strip fixing seat 3, and then the gearbox body 1 is moved upward to drive the support plate 2 to move upward. The support plate 2 drives the strip fixing seat 3 to move out of the fixing frame 8, and then the gearbox body 1 can be inspected and repaired. After the inspection is completed, the strip fixing seat 3 is placed inside the fixing frame 8 again, and then the adjusting block 19 is rotated in the opposite direction to make the fixing rod 16 re-operated. The fixing rod 16 is reset and moved and inserted into the fixing hole 4, the strip fixing seat 3 is fixed again, and then the rotation of the adjusting block 19 is stopped, and the adjusting block 19 is held to keep the driving shaft 18 stationary, and then the locking nut 21 is tightened, the driving shaft 18 is repositioned, and then the adjusting block 19 is released, so that the gearbox for the low-resistance crawler wheat harvester can be quickly disassembled after being fixed and installed during use, so as to facilitate maintenance operations, improve work efficiency, and thus achieve better practicality.

Claims

1. A gearbox for a low-resistance crawler-type wheat harvester, comprising a gearbox body (1), characterized in that: The bottom of the gearbox body (1) is fixedly mounted with a support plate (2), the bottom of the support plate (2) is symmetrically fixedly mounted with a strip-shaped fixing seat (3), and the interiors of the two strip-shaped fixing seats (3) are symmetrically penetrated with fixing holes (4), a mounting base plate (5) is arranged directly below the support plate (2), the four corners of the mounting base plate (5) are penetrated with mounting holes (6), the top of the mounting base plate (5) is fixedly mounted with an adjustment fixing assembly (7), and the two strip-shaped fixing seats (3) are connected to the adjustment fixing assembly (7), the adjustment fixing assembly (7) comprises a symmetrically arranged fixing frame (8), and the two strip-shaped fixing seats (3) are respectively located inside the two fixing frames (8), the two fixing frames (8) are fixedly mounted on the top of the mounting base plate (5), and the mounting base plate (5) is located between the two fixing frames (8) and at the mounting base plate ( A bar frame (9) is fixedly installed on the top of the bar frame (5), a bidirectional screw (10) is rotatably installed inside the bar frame (9), and a threaded sleeve (11) is symmetrically threadedly installed on the outer side of the bidirectional screw (10), a retaining ring (12) is fixedly installed between the two threaded sleeves (11) and located on the outer side of the bidirectional screw (10), and a first connecting shaft (13) is symmetrically fixedly installed on the outer sides of the two threaded sleeves (11), a connecting strip (14) is rotatably installed on the first connecting shaft (13), and a second connecting shaft (15) is rotatably installed at one end of the connecting strip (14) away from the first connecting shaft (13), a fixing rod (16) is fixedly installed on one side of the second connecting shaft (15), and the fixing rod (16) is movably installed through the inside of the fixing frame (8), and the fixing rod (16) is movably installed through the inside of the fixing hole (4).

2. A gearbox for a low-resistance crawler-type wheat harvester according to claim 1, characterized in that: A driving housing (17) is fixedly mounted on the top of the mounting base plate (5), and one end of the bidirectional screw (10) movably penetrates and extends into the interior of the driving housing (17). A driving shaft (18) is rotatably mounted inside the driving housing (17), and the top of the driving shaft (18) extends to support the top of the driving housing (17). An adjusting block (19) is fixedly mounted on the top of the driving shaft (18), and the adjusting block (19) is a regular hexagonal structure. An adjusting block is provided on the outer side of the top of the driving shaft (18). The screw thread (20) is provided with a locking nut (21) on the outer thread of the adjusting screw thread (20), and the bottom of the locking nut (21) contacts the top of the driving housing (17), and a first bevel gear (22) is fixedly installed inside the driving housing (17) and on the outer side of the driving shaft (18), and a second bevel gear (23) is meshedly connected to the outer side of the first bevel gear (22), and the second bevel gear (23) is fixedly connected to the bidirectional screw (10) on the side away from the first bevel gear (22).

3. The gearbox for a low-resistance crawler-type wheat harvester according to claim 1, characterized in that: A first positioning slide block (24) is fixedly installed on the top of the threaded sleeve (11), a first positioning slot (25) is symmetrically opened on the top of the bar frame (9), and the first positioning slide block (24) is slidably installed inside the first positioning slot (25).

4. The gearbox for a low-resistance crawler-type wheat harvester according to claim 1, characterized in that: An annular slide seat (26) is fixedly installed on the outer side of one end of the fixing rod (16) close to the second connecting shaft (15), a positioning slide rod (27) is installed inside the annular slide seat (26) and slides through it, and one end of the positioning slide rod (27) is fixedly connected to the outer side of the fixing frame (8), a positioning block (28) is fixedly installed on the other end of the positioning slide rod (27), and the positioning block (28) is fixedly installed on the top of the mounting base plate (5), a second positioning slide block (29) is symmetrically fixedly installed on the inner wall of the annular slide seat (26), a second positioning slot (30) is symmetrically opened on the outer side of the positioning slide rod (27), and the second positioning slide block (29) is slidably installed inside the second positioning slot (30).

Images