Spindle structure with replaceable hook teeth for cotton picker

Abstract

The utility model discloses a cotton picker spindle structure with replaceable hook teeth, and particularly relates to the technical field of cotton picker spindles, the cotton picker spindle structure comprises a spindle rod, a connecting sleeve is arranged at the top of the spindle rod, a bevel gear is arranged at the top of the connecting sleeve, a dismounting mechanism is arranged on the surface of the spindle rod, and the dismounting mechanism comprises a plurality of clamping grooves formed in the surface of the spindle rod. A T-shaped clamping strip is slidably arranged in the clamping groove, a fixing plate is fixedly arranged on one side of the T-shaped clamping strip, an arc-shaped groove is formed in the surface of the fixing plate and matched with the surface of the spindle rod, a threaded groove is formed in the bottom of the spindle rod, a threaded column is in threaded connection with the interior of the threaded groove, and a spindle head is fixedly arranged at the bottom of the threaded column. According to the utility model, the hook teeth adopt a replaceable design, the whole or individual hook teeth can be replaced, the process is not complicated and can be quickly completed, the maintenance time is saved, the shutdown time is reduced, the working efficiency of the cotton picker is guaranteed, and resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cotton picking machine picking spindle technical field more specifically, the utility model relates to a kind of picking spindle structure with replaceable hook tooth for cotton picking machine. BACKGROUND

[0002] Cotton picking machine as the key equipment for realizing mechanization in harvesting link in cotton production process, plays an important role in modern agricultural production, picking spindle as the core component of cotton picking machine, its performance directly affects the picking efficiency of cotton picking machine, picking quality and the reliability of overall operation;In existing mechanism, picking spindle root is often wound with a large amount of cotton, which needs to be removed manually, affecting work efficiency and machine-picked cotton quality, at the same time, frequent contact of hook tooth with cotton and cotton stalk can cause wear and tear, and long-time continuous operation is easy to cause the surface temperature of picking spindle to be too high, thereby aggravating wear and tear, which is difficult to replace, time-consuming and laborious, affecting work efficiency.

[0003] Through retrieval, the Chinese patent with authorized publication number CN222396236U discloses a kind of picking spindle structure with replaceable hook tooth for cotton picking machine, convenient to maintain, when picking spindle rod is damaged, it can be quickly taken down and replaced by installing connecting block, and the cost is reduced, when all hook teeth on picking spindle head are damaged, the whole rod can be replaced, when part or individual is damaged, connecting plate or single hook tooth can be replaced, to avoid waste caused by overall replacement, secondly, installation is simple, when replacing hook tooth, aligning connecting sliding groove and sliding block, aligning installation hole and fixing with bolt, installation can be completed, it is convenient to operate, connection is stable, bolt fixing ensures that hook tooth is connected firmly with replacement connecting plate, to prevent falling off during work, to ensure normal operation of cotton picking machine, effectively reduce the harvesting cost of cotton picking machine, improve work efficiency.

[0004] But the structure in actual use, when harvesting is difficult after the work of cotton picking machine ends, picking spindle structure needs to be checked and replaced accordingly, but during the whole dismounting and installation process, transmission connecting head, installation connecting block and picking spindle rod are taken down from cotton picking machine by installation connecting block, which involves the dismounting of multiple components, and more operation steps affect the work efficiency of cotton picking machine. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of picking spindle structure with replaceable hook tooth for cotton picking machine to solve the problems raised in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0007] A kind of picking spindle structure with replaceable hook tooth for cotton picking machine, including picking spindle rod, the top of the picking spindle rod is provided with connecting sleeve, the top of the connecting sleeve is provided with bevel gear, the surface of the picking spindle rod is provided with dismounting mechanism;

[0008] The dismounting mechanism comprises a plurality of clamping grooves formed on the surface of the picking spindle rod, a T-shaped clamping strip is slidably arranged in the clamping grooves, a fixing plate is fixedly arranged on one side of the T-shaped clamping strip, an arc-shaped groove is formed on the surface of the fixing plate, and the arc-shaped groove is matched with the surface of the picking spindle rod;

[0009] A threaded groove is formed in the bottom of the picking spindle rod, a threaded column is threadedly connected in the threaded groove, a picking head is fixedly arranged on the bottom of the threaded column, a plurality of connecting grooves are formed on the surface of the fixing plate, a connecting block is insertedly arranged in the connecting grooves, and a hook tooth is fixedly arranged on one side of the connecting block.

[0010] By adopting the above technical scheme, the hook tooth is designed to be replaceable, the hook tooth can be individually replaced when individual or partial hook teeth are damaged, the whole replacement is not needed, resources are saved, the operation is convenient and fast, and the working efficiency of the cotton picker is effectively improved.

[0011] As a further description of the above technical scheme, a connecting mechanism is arranged on the top of the connecting sleeve, a threaded rod is threadedly connected to the bottom of the connecting sleeve, one end of the threaded rod is connected to the surface of the picking spindle rod, a guide ring is fixedly arranged on the top of the picking spindle rod, and the guide ring is inserted into the connecting sleeve.

[0012] A plurality of limiting grooves are formed on the surface of the connecting sleeve, a limiting strip is insertedly arranged in the limiting grooves, and a plug column is fixedly arranged on one side of the limiting strip.

[0013] By adopting the above technical scheme, the installation and dismounting operation is convenient, the maintenance efficiency is improved, the power transmission is stable, and the picking spindle structure can normally work when the cotton picker is running.

[0014] As a further description of the above technical scheme, a plurality of threaded through holes are formed on the surface of the plug column and the connecting sleeve, a bolt rod is threadedly connected in the threaded through holes, a wear-resistant coating is arranged on the surface of the hook tooth, and the wear-resistant coating is made of a tungsten carbide coating.

[0015] By adopting the above technical scheme, the tungsten carbide wear-resistant coating on the surface of the hook tooth greatly enhances the wear resistance of the hook tooth, reduces the wear caused by long-term picking operation, effectively prolongs the service life of the hook tooth, and reduces the replacement frequency.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] Compared with the prior art, the dismounting mechanism can flexibly select the replacement mode according to the wear degree of the hook teeth, the whole can be replaced when a large amount of wear occurs, the picking shaft head is easily twisted off through reverse rotation, and then the fixing plate is removed, so that the operation is simple; the individual hook teeth can be replaced when individual wear occurs, the connecting block is pulled out by twisting off the bolt, different situation requirements are met, the picking shaft head or the picking shaft rod is not replaced due to damage of individual hook teeth, only the damaged hook teeth or the whole hook teeth need to be replaced, unnecessary replacement of parts is reduced, maintenance cost is reduced, and no matter the whole replacement or the individual replacement, the process is not complicated, professional skills and complex tools are not required, the maintenance time is saved, the downtime is reduced, the working efficiency of the cotton picker is ensured, and the overall progress of the cotton picking operation is improved;

[0018] Compared with the prior art, the connecting mechanism is preliminarily positioned through the guide ring, the fixing connecting sleeve and the picking shaft rod are fixed through the threaded rod, the bevel gear and the connecting sleeve are fixed through the limiting strip, the insertion column and the bolt rod, the installation steps are clear, the parts are connected closely, the stability of the overall structure during work is ensured, meanwhile, the tungsten carbide wear-resistant coating greatly enhances the wear resistance of the hook teeth, prolongs the service life of the hook teeth, reduces the cost and time loss caused by frequent replacement of the hook teeth, improves the efficiency and continuity of the picking work, and the picking shaft rod can be easily dismounted, maintained or replaced, the maintenance time of the equipment is reduced, and the maintainability and use flexibility of the cotton picker are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model.

[0020] Figure 2 It is a whole split structure schematic view of the utility model.

[0021] Figure 3 It is a split structure schematic view of the dismounting mechanism of the utility model.

[0022] Figure 4 It is a detail structure schematic view of the dismounting mechanism of the utility model.

[0023] Figure 5 It is a structure schematic view of the connecting mechanism of the utility model.

[0024] The signs are as follows: 1, picking shaft rod; 2, connecting sleeve; 3, bevel gear; 4, clamping groove; 5, T-shaped clamping strip; 6, fixing plate; 7, arc-shaped groove; 8, threaded groove; 9, threaded column; 10, picking shaft head; 11, connecting block; 12, hook tooth; 13, threaded rod; 14, guide ring; 15, limiting groove; 16, limiting strip; 17, insertion column; 18, bolt rod; 19, wear-resistant coating. DETAILED DESCRIPTION

[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] The embodiments disclosed in this application are as follows: Figures 1-5 The shown is a picker structure for a cotton harvester with replaceable hook teeth, including a picker rod 1, a connecting sleeve 2 at the top of the picker rod 1, a bevel gear 3 at the top of the connecting sleeve 2, and a disassembly mechanism on the surface of the picker rod 1.

[0027] The disassembly mechanism includes multiple slots 4 formed on the surface of the spindle removal rod 1. T-shaped clips 5 are slidably arranged inside the slots 4. A fixing plate 6 is fixedly arranged on one side of the T-shaped clips 5. An arc groove 7 is formed on the surface of the fixing plate 6, and the arc groove 7 matches the surface of the spindle removal rod 1.

[0028] The bottom of the spindle removal rod 1 is provided with a threaded groove 8, and a threaded post 9 is threadedly connected inside the threaded groove 8. A spindle removal head 10 is fixedly installed at the bottom of the threaded post 9. Multiple connecting grooves are provided on the surface of the fixing plate 6. A connecting block 11 is inserted into the connecting groove. A hook tooth 12 is fixedly installed on one side of the connecting block 11. The connecting block 11 is connected to the fixing plate 6 by bolts.

[0029] When the hook teeth 12 are worn or damaged and need to be replaced, rotate the unspinning head 10 in the opposite direction to drive the threaded column 9 out of the inside of the threaded groove 8, then unscrew the unspinning head 10, then pull down the fixing plate 6 to drive the T-shaped clip 5 out of the inside of the clip groove 4, and then remove the fixing plate 6 and replace the entire hook teeth 12.

[0030] When several hook teeth 12 are worn or damaged and individual hook teeth 12 need to be replaced, unscrew the bolts between the connecting block 11 and the fixing plate 6, pull the connecting block 11 out of the connecting groove on the surface of the fixing plate 6, thereby removing the damaged hook teeth 12. Then, insert the new hook teeth 12 into the connecting groove through the connecting block 11, and then fix the connecting block 11 and the fixing plate 6 with bolts to complete the replacement of the hook teeth 12.

[0031] Reference Figures 2-4 As shown, the top of the connecting sleeve 2 is provided with a connecting mechanism, and the bottom of the connecting sleeve 2 is threadedly connected with a threaded rod 13. One end of the threaded rod 13 is connected to the surface of the spindle removal rod 1. The top of the spindle removal rod 1 is fixedly provided with a guide ring 14, which is inserted into the connecting sleeve 2.

[0032] The surface of the connecting sleeve 2 is provided with a plurality of limiting grooves 15, the limiting grooves 15 are internally inserted with limiting strips 16, one side of the limiting strips 16 is fixedly provided with an insertion column 17, and the insertion column 17 is connected with the bevel gear 3;

[0033] The guiding ring 14 is aligned with the connecting sleeve 2 and is inserted, thereby playing a role of preliminary positioning, meanwhile, the threaded rod 13 is screwed into the threaded hole in the bottom of the connecting sleeve 2, so that one end of the threaded rod 13 is connected with the surface of the picking spindle 1, thereby fixing the connecting sleeve 2 and the picking spindle 1, then, the limiting strip 16 is inserted into the limiting groove 15 on the surface of the connecting sleeve 2, so that the insertion column 17 is connected with the bevel gear 3, and then the bolt rod 18 is passed through the threaded through hole on the surface of the connecting sleeve 2 and the insertion column 17 and is screwed, thereby fixing the bevel gear 3 and the connecting sleeve 2, and the overall installation of the picking spindle 1 and the bevel gear 3 and other components is completed.

[0034] Referring to Figures 4-5 The surface of the insertion column 17 and the surface of the connecting sleeve 2 are both provided with a plurality of threaded through holes, the threaded through holes are internally screwed with bolt rods 18, the surface of the hook tooth 12 is provided with a wear-resistant coating 19, and the wear-resistant coating 19 is made of a tungsten carbide coating;

[0035] When the picking spindle 1 needs to be overall disassembled, the picking spindle 1 is reversely rotated, the threaded rod 13 is driven out of the threaded hole in the bottom of the connecting sleeve 2, and the guiding ring 14 is driven out of the connecting sleeve 2, thereby taking down the picking spindle 1, after installation, the bevel gear 3 is connected with the transmission system of the cotton picker, when the cotton picker operates, the bevel gear 3 drives the picking spindle 1 to rotate, at this time, the hook tooth 12 on the surface of the picking spindle 1 hooks cotton along with the rotation, thereby performing the picking work, since the surface of the hook tooth 12 is provided with the wear-resistant coating 19 made of tungsten carbide, the wear-resistant coating 19 can effectively resist wear and tear, thereby prolonging the service life.

[0036] The working principle of the utility model:

[0037] The utility model discloses a picking spindle structure for cotton picker with replaceable hook tooth, when the device is used, the guiding ring 14 is aligned with the connecting sleeve 2 and is inserted, thereby playing a role of preliminary positioning, meanwhile, the threaded rod 13 is screwed into the threaded hole in the bottom of the connecting sleeve 2, so that one end of the threaded rod 13 is connected with the surface of the picking spindle 1, thereby fixing the connecting sleeve 2 and the picking spindle 1, then, the limiting strip 16 is inserted into the limiting groove 15 on the surface of the connecting sleeve 2, so that the insertion column 17 is connected with the bevel gear 3, and then the bolt rod 18 is passed through the threaded through hole on the surface of the connecting sleeve 2 and the insertion column 17 and is screwed, thereby fixing the bevel gear 3 and the connecting sleeve 2, and the overall installation of the picking spindle 1 and the bevel gear 3 and other components is completed.

[0038] After installation, the bevel gear 3 is connected with the transmission system of the cotton picker, when the cotton picker is running, the bevel gear 3 drives the picking spindle 1 to rotate, at this time, the hook tooth 12 on the surface of the picking spindle 1 hooks the cotton with the rotation, and the picking work is carried out, because the hook tooth 12 has the wear-resistant coating 19 made of tungsten carbide on the surface, which can effectively resist wear and prolong the service life;

[0039] When the hook tooth 12 needs to be replaced in whole due to a large amount of wear or damage, the picking spindle head 10 is rotated in reverse, the threaded column 9 is withdrawn from the inside of the threaded groove 8, and then the picking spindle head 10 is unscrewed, the fixed plate 6 is pulled down, the T-shaped clamping strip 5 is withdrawn from the inside of the clamping groove 4, and then the fixed plate 6 is taken off to replace the hook tooth 12;

[0040] When several hook teeth 12 need to be replaced due to wear or damage, the bolts between the connecting block 11 and the fixed plate 6 are unscrewed, the connecting block 11 is pulled out from the connecting groove on the surface of the fixed plate 6, so that the damaged hook tooth 12 is taken off, then the new hook tooth 12 is inserted into the connecting groove through the connecting block 11, and the connecting block 11 and the fixed plate 6 are fixed by bolts, and the replacement of the hook tooth 12 is completed.

[0041] When the picking spindle 1 needs to be disassembled in whole, the picking spindle 1 is rotated in reverse, the threaded rod 13 is withdrawn from the threaded hole at the bottom of the connecting sleeve 2, and the guide ring 14 is withdrawn from the connecting sleeve 2, and then the picking spindle 1 is taken off.

[0042] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A bale hook tooth replaceable picking spindle structure for a cotton picker, comprising a picking spindle rod (1), characterized in that: The top of the picking spindle rod (1) is provided with a connecting sleeve (2), the top of the connecting sleeve (2) is provided with a bevel gear (3), the surface of the picking spindle rod (1) is provided with a dismounting mechanism; The dismounting mechanism comprises a plurality of clamping grooves (4) formed in the surface of the picking spindle rod (1), a T-shaped clamping strip (5) is slidably arranged in the clamping groove (4), a fixed plate (6) is fixedly arranged on one side of the T-shaped clamping strip (5), an arc-shaped groove (7) is formed in the surface of the fixed plate (6), and the arc-shaped groove (7) is matched with the surface of the picking spindle rod (1). The bottom of the picking spindle rod (1) is provided with a threaded groove (8), a threaded column (9) is threadedly connected in the threaded groove (8), and a picking head (10) is fixedly arranged at the bottom of the threaded column (9).

2. The bale hook according to claim 1, wherein: A plurality of connecting grooves are formed in the surface of the fixed plate (6), a connecting block (11) is insertedly arranged in the connecting groove, a hook tooth (12) is fixedly arranged on one side of the connecting block (11), and the connecting block (11) and the fixed plate (6) are connected through bolts.

3. The bale hook according to claim 1, wherein: The top of the connecting sleeve (2) is provided with a connecting mechanism, the bottom of the connecting sleeve (2) is threadedly connected with a threaded rod (13), one end of the threaded rod (13) is connected with the surface of the picking spindle rod (1), the top of the picking spindle rod (1) is fixedly provided with a guide ring (14), and the guide ring (14) is insertedly connected with the connecting sleeve (2).

4. The bale hook according to claim 1, wherein: A plurality of limiting grooves (15) are formed in the surface of the connecting sleeve (2), a limiting strip (16) is insertedly arranged in the limiting groove (15), a plug-in column (17) is fixedly arranged on one side of the limiting strip (16), and the plug-in column (17) is connected with the bevel gear (3).

5. The bale hook according to claim 4, wherein: A plurality of threaded holes are formed in the surface of the plug-in column (17) and the connecting sleeve (2), and a bolt rod (18) is threadedly connected in the threaded hole.

6. The bale hook according to claim 1, wherein: The surface of the hook tooth (12) is provided with a wear-resistant coating (19), and the wear-resistant coating (19) is made of a tungsten carbide coating.

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