CN215530068U - Spline disc for power driving system of spindle assembly of cotton picker - Google Patents

Abstract

The utility model relates to the technical field of cotton picker design, and discloses a spline disc for a power driving system of a cotton picker spindle assembly, which comprises a disc body, an inner spline sleeve and a plurality of through holes, wherein rubber rings are embedded in the through holes, first threaded holes communicated with the through holes are formed in the positions, corresponding to the through holes, on the circumferential side of the disc body, first bolts with end parts used for abutting the rubber rings on connecting bolts are connected in a threaded mode in the first threaded holes, weight reducing grooves are formed in the positions, located between every two adjacent through holes, on the side wall of the disc body, of the weight reducing grooves, second threaded holes communicated with the through holes are formed in the inner wall, close to one ends of the through holes, of the weight reducing grooves, and second bolts with end parts used for abutting the rubber rings on the connecting bolts are connected in a threaded mode in the second threaded holes. The corrosion-resistant coating layers coated on the outer walls of the disc body and the inner spline sleeve are utilized, a good corrosion-resistant effect can be achieved through the corrosion-resistant coating layers, and finally the service life of the spline disc can be prolonged favorably.

Description

Spline disc for power driving system of spindle assembly of cotton picker

Technical Field

The utility model relates to the technical field of cotton picker design, in particular to a spline disc for a power driving system of a spindle assembly of a cotton picker.

Background

The cotton picker is a large-scale agricultural machine and is mainly used for replacing manual cotton picking. The cotton picker comprises a seat pipe assembly, seat pipe assemblies, a shifting fork wheel, a power system and a rotating shaft, wherein the seat pipe assemblies of the cotton picker are arranged on the seat pipe assembly and distributed in an arrayed mode, the seat pipe assemblies are arranged on the shifting fork wheel and distributed in the circumferential direction, one end face of the shifting fork wheel is fixed to the pipe column which is connected to the rack in a rotating mode, the other end face of the shifting fork wheel is fixed to the rotating shaft which is connected to the rack in a rotating mode, and the power system drives the spindle assemblies arranged on the seat pipe assembly to achieve cotton picking in the rotating process of driving the rotating shaft to rotate.

When the rotating shaft needs to be driven to rotate by the power system, the external motor needs to drive the driven wheel on the rotating shaft to rotate through the driving wheel and the chain, and the rotating shaft is driven to rotate by the rotation of the driven wheel, so that the shifting fork wheel can be driven to rotate finally.

At present, spline connection is the development of flat key connection in number, because the spline shaft and the spline sleeve are uniformly provided with a plurality of spline bulges and spline grooves, the spline connection is stressed uniformly, and the spline connection is suitable for high-speed and precise machines; therefore, a spline disc is often required to be installed between the driven wheel and the rotating shaft and is connected to the rotating shaft through a spline of the spline disc, the spline disc is fixed with the driven wheel through a connecting bolt and a connecting nut, and the driven wheel can drive the rotating shaft to rotate through the spline disc; however, when the spline disc and the driven wheel are fixed through the connecting bolt and the connecting nut, the connecting bolt may be loosened during the rotation of the driven wheel and the spline disc, so that the connection between the driven wheel and the spline disc is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spline disc for a power driving system of a cotton picker spindle assembly, which can reduce the possibility of loosening of a connecting bolt.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a spline disc for cotton picker spindle assembly power drive system, includes the disk body, is located disk body center department's internal spline cover, a plurality of seting up in disk body week side and supply the through-hole that connecting bolt passed, the embedding has the rubber circle in the through-hole, the week side of disk body and the position department that corresponds the through-hole all offer with the communicating first screw hole of through-hole, first screw hole female connection has the tip to be used for supporting the rubber circle tight first bolt on connecting bolt, the position department that just is located between two adjacent through-holes on the disk body lateral wall has all offered and has subtract heavy groove, subtract heavy groove and offer on being close to the inner wall of through-hole one end with the communicating second screw hole of through-hole, second screw hole female connection has the tip to be used for supporting the rubber circle tight second bolt on connecting bolt.

The utility model is further provided with: the first bolt is sleeved with a rubber ring which is used for tightly abutting against the outer wall of the peripheral side of the disc body.

The utility model is further provided with: the periphery side outer wall of the plate body and the periphery side of the first threaded hole are provided with a plurality of anti-skidding grooves for the rubber rings to abut tightly, and the anti-skidding grooves are distributed along the periphery side of the first threaded hole at equal intervals.

The utility model is further provided with: a thickened part is arranged between the inner spline sleeve and the disc body.

The utility model is further provided with: the end part in the rubber ring is provided with a guide fillet.

The utility model is further provided with: and the outer walls of the disc body and the inner spline sleeve are coated with corrosion-resistant coating layers.

In conclusion, the utility model has the following beneficial effects:

1. when the disc body needs to be connected with the driven wheel after the connecting bolt penetrates through the through hole, the first bolt in the first threaded hole is rotated after the connecting bolt penetrates into the through hole, so that the end part of the first bolt penetrates into the through hole, and then the end part of the first bolt can tightly abut against the rubber ring in the through hole on the connecting bolt; simultaneously, rotating a second bolt in the second threaded hole to enable the end part of the second bolt to tightly abut against the rubber ring in the through hole on the connecting bolt; the second threaded hole is positioned at one end, close to the through hole, of the lightening groove, and the lightening groove is positioned between two adjacent through holes, so that a first bolt and two second bolts are arranged on a single through hole, the first bolt and the two second bolts are distributed in a triangular shape on the peripheral side of the through hole, at the moment, the peripheral side of the rubber ring can be firmly abutted against the connecting bolt by one first bolt and the two second bolts, and a larger friction force can be generated between the rubber ring and the connecting bolt, so that the stability of the connecting bolt in the through hole can be facilitated, and the possibility of loosening of the connecting bolt can be reduced;

2. by utilizing the rubber ring sleeved on the first bolt, one end of the rubber ring is tightly propped against the bolt head of the first bolt, and the other end of the rubber ring is tightly propped against the peripheral outer wall of the disc body, so that the thread gap between the first bolt and the first threaded hole can be compensated, the stable threaded connection of the first bolt in the first threaded hole is facilitated, and meanwhile, a larger friction force can be generated between the rubber ring and the first bolt, so that the possibility of loosening of the first bolt is reduced;

3. the anti-slip grooves are formed in the outer wall of the periphery of the disc body and located on the periphery of the first threaded hole, and are evenly distributed along the periphery of the first threaded hole at intervals, so that the anti-slip grooves can be abutted against the rubber ring, the friction force between the anti-slip grooves and the rubber ring is increased, the possibility of rotation of the rubber ring can be reduced, and the high friction force between the rubber ring and the first bolt is generated;

4. the thickened part arranged between the inner spline sleeve and the disc body can increase the connection strength between the inner spline sleeve and the disc body, so that the structural stability of the spline disc is improved;

5. by utilizing the guide fillets arranged at the end parts in the rubber ring, when the connecting bolts penetrate into the through holes and penetrate through the rubber ring, the guide fillets can play a role in guiding the connecting bolts, and finally the connecting bolts can smoothly penetrate through the rubber ring;

6. the corrosion-resistant coating layers coated on the outer walls of the disc body and the inner spline sleeve are utilized, a good corrosion-resistant effect can be achieved through the corrosion-resistant coating layers, and finally the service life of the spline disc can be prolonged favorably.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a partial cross-sectional view of the connection between the tray body and the corrosion resistant coating layer of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a tray body; 11. a through hole; 12. a first threaded hole; 13. a weight reduction groove; 14. a second threaded hole; 15. an anti-slip groove; 2. an inner spline housing; 3. a rubber ring; 31. a guide fillet; 4. a first bolt; 41. a rubber ring; 5. a second bolt; 6. thickening part; 7. and (4) a corrosion-resistant coating layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A spline disc for a power driving system of a cotton picker spindle assembly refers to fig. 1, 2 and 3, and comprises a disc body 1, an inner spline housing 2 and three through holes 11, wherein the inner spline housing 2 is welded at the center of the disc body 1, and a thickened part 6 is welded between the inner spline housing 2 and the disc body 1; the outer walls of the disk body 1 and the inner spline housing 2 are coated with corrosion-resistant coating layers 7, and the corrosion-resistant coating layers 7 are epoxy corrosion-resistant coatings; meanwhile, the three through holes 11 are formed in the tray body 1, the three through holes 11 are evenly distributed along the peripheral side of the tray body 1 at intervals, and the through holes 11 can be used for connecting bolts to penetrate through.

Referring to fig. 1, 2 and 4, a rubber ring 3 is embedded in the through hole 11, the rubber ring 3 is in interference fit with the through hole 11, and a guide fillet 31 is formed at the end part in the rubber ring 3; meanwhile, the first threaded holes 12 communicated with the through holes 11 are formed in the peripheral side of the tray body 1 and the positions corresponding to the through holes 11, the first threaded holes 12 are internally threaded with first bolts 4, the end portions of the first bolts 4 can be used for abutting the rubber rings 3 tightly on the connecting bolts, the rubber rings 41 tightly abutting the peripheral side outer walls of the tray body 1 are sleeved on the first bolts 4, a plurality of anti-slip grooves 15 are formed in the peripheral side outer walls of the tray body 1 and located on the peripheral side of the first threaded holes 12, the anti-slip grooves 15 can be used for abutting the rubber rings 41 tightly, and meanwhile the anti-slip grooves 15 are evenly distributed at intervals along the peripheral side of the first threaded holes 12.

Referring to fig. 1, weight-reducing grooves 13 are formed in the side wall of the tray body 1 and located between two adjacent through holes 11, the weight of the whole tray body 1 can be reduced through the weight-reducing grooves 13, and meanwhile materials of the tray body 1 can be saved through the weight-reducing grooves 13; the inner wall of the lightening groove 13 close to one end of the through hole 11 is provided with a second threaded hole 14 communicated with the through hole 11, the second threaded hole 14 is connected with a second bolt 5 in a threaded manner, and the end part of the second bolt 5 can be used for tightly abutting the rubber ring 3 on the connecting bolt.

The principle is as follows: when the disc body 1 needs to be connected with the driven wheel after penetrating through the through hole 11 by using the connecting bolt, the connecting bolt penetrates through the through hole 11, and then the first bolt 4 in the first threaded hole 12 is rotated, so that the end part of the first bolt 4 penetrates through the through hole 11, then the end part of the first bolt 4 can tightly support the rubber ring 3 in the through hole 11 on the connecting bolt, and at the moment, the first bolt 4 tightly supports the rubber ring 41, and the rubber ring 41 tightly supports the anti-skidding groove 15.

Simultaneously, the second bolt 5 in the second threaded hole 14 is rotated, so that the end part of the second bolt 5 also tightly supports the rubber ring 3 in the through hole 11 on the connecting bolt; because the second threaded hole 14 is located at one end of the lightening groove 13 close to the through hole 11, and the lightening groove 13 is located between two adjacent through holes 11, a first bolt 4 and two second bolts 5 are arranged on a single through hole 11, and the first bolt 4 and the two second bolts 5 are distributed in a triangular shape on the peripheral side of the through hole 11, at the moment, the peripheral side of the rubber ring 3 can be firmly abutted against the connecting bolt by one first bolt 4 and two second bolts 5, and a larger friction force can be generated between the rubber ring 3 and the connecting bolt, so that the stability of the connecting bolt in the through hole 11 can be facilitated, and the possibility of looseness of the connecting bolt can be reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a spline disc for cotton picker spindle assembly power drive system, includes disk body (1), is located internal spline cover (2) of disk body (1) center department, a plurality of seting up in disk body (1) week side and supply through-hole (11) that connecting bolt passed, its characterized in that: rubber ring (3) are embedded in the through hole (11), first threaded holes (12) communicated with the through hole (11) are formed in the positions, corresponding to the through hole (11), of the periphery of the tray body (1), the end portions of the first threaded holes (12) are connected with first bolts (4) tightly connected with the rubber ring (3) through the connecting bolt in an internal threaded mode, weight reduction grooves (13) are formed in the positions, located between every two adjacent through holes (11), of the side wall of the tray body (1), second threaded holes (14) communicated with the through holes (11) are formed in the inner wall, close to one end of the through hole (11), of the weight reduction grooves (13), and the end portions of the second threaded holes (14) are connected with second bolts (5) tightly connected with the rubber ring (3) through the connecting bolt in an internal threaded mode.

2. A splined disc for a power drive system of a cotton picker spindle assembly according to claim 1, wherein: the first bolt (4) is sleeved with a rubber ring (41) which is used for tightly abutting against the outer wall of the peripheral side of the disc body (1).

3. A splined disc for a power drive system of a cotton picker spindle assembly according to claim 2, wherein: the anti-skidding structure is characterized in that a plurality of anti-skidding grooves (15) which are used for abutting the rubber ring (41) tightly are formed in the peripheral side outer wall of the disk body (1) and located in the peripheral side of the first threaded hole (12), and the anti-skidding grooves (15) are evenly distributed at intervals along the peripheral side of the first threaded hole (12).

4. A splined disc for a power drive system of a cotton picker spindle assembly according to claim 1, wherein: a thickened part (6) is arranged between the inner spline housing (2) and the disc body (1).

5. A splined disc for a power drive system of a cotton picker spindle assembly according to claim 1, wherein: the end part in the rubber ring (3) is provided with a guide fillet (31).

6. A splined disc for a power drive system of a cotton picker spindle assembly according to claim 1, wherein: and the outer walls of the disc body (1) and the inner spline sleeve (2) are coated with corrosion-resistant coating layers (7).

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