CN220701188U

CN220701188U - Steering device with braking function for agricultural machinery

Info

Publication number: CN220701188U
Application number: CN202322195298.3U
Authority: CN
Inventors: 杨会
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-02
Anticipated expiration: 2033-08-15

Abstract

The utility model belongs to the technical field of agricultural machinery, in particular to a steering device with a braking function for agricultural machinery, which comprises two side covers and a shell, wherein the side wall of the shell is provided with a driving bevel gear shaft, a spline housing is arranged in the shell, a driven bevel gear disc is arranged on the spline housing, a transmission shaft is arranged in the spline housing, the transmission shaft consists of two half shafts, the outer side wall of each half shaft is provided with an external spline tooth, the spline housing is arranged between the two external spline teeth, the half shafts are provided with clutch housings, the clutch housings are matched with the external spline teeth and the spline housing, the adjacent surfaces of the clutch housings and the side covers are provided with clamping keys, and the inner side walls of the side covers are provided with key grooves. The driving bevel gear shaft drives the driven bevel gear disc to rotate so as to drive the spline housing to rotate, the clutch housing is matched with the external spline teeth on the half shaft and the spline housing, so that the half shaft rotates, the clutch housing slides on the external spline teeth, the clutch housing is separated from the spline housing, the speed reduction effect is achieved, the clutch housing is matched with the side cover, the clutch housing is limited to rotate, the half shaft is limited to rotate, steering is facilitated, the operation difficulty of a user is reduced, and steering operation is facilitated.

Description

Steering device with braking function for agricultural machinery

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a steering device with a braking function for agricultural machinery.

Background

In agricultural machinery, often need left turn, right turn, and the agricultural machinery that uses at present does not have steering device, when needs turn, just need the manual force to drive the steering by force, very hard, need great space just can turn to moreover, the operation is very complicated and waste time and energy, causes very big unchangeable for the user.

In order to solve the problems, the utility model provides a steering device with a braking function for an agricultural machine.

Disclosure of Invention

The utility model provides a steering device with a brake function for an agricultural machine, which is convenient for steering operation and reduces the steering operation difficulty of the agricultural machine.

The utility model provides the following technical scheme:

the utility model provides an agricultural machinery is with turning to device of taking brake function, includes both sides lid and sets up the shell between both sides lid, the shell lateral wall runs through and is provided with initiative umbrella tooth axle, be equipped with the spline housing in the shell, spline housing lateral wall cover is equipped with the driven umbrella fluted disc with initiative umbrella tooth axle matched with, be equipped with the transmission shaft in the spline housing, the transmission shaft runs through both sides lid, and the transmission shaft comprises two semi-axles concatenation, the position that is close to the spline shaft tip on the semi-axis lateral wall is equipped with external spline tooth, the spline housing card is put between two external spline teeth, be equipped with the clutch housing on the semi-axis, clutch housing and external spline tooth and spline housing cooperate, the clutch housing is equipped with the draw-in key with the adjacent face of side lid, the position that the side lid inside wall corresponds the draw-in key is equipped with the keyway.

Further, the end face of one of the half shafts is provided with a clamping hole, and the end face of the other half shaft is provided with a connecting rod matched with the clamping hole.

Further, the inner side wall of the driven umbrella fluted disc is provided with inner teeth matched with the spline housing, the outer side wall of the spline housing is sleeved with two limiting snap rings, the outer side wall of the spline housing is provided with a clamping groove, the limiting snap rings are clamped in the clamping groove, and the driven umbrella fluted disc is positioned between the two limiting snap rings.

Further, the spline housing outer side wall still overlaps and is equipped with the stop collar, the stop collar is located between driven umbrella fluted disc and the spacing snap ring, and the stop collar is located driven umbrella fluted disc and is equipped with one side of tooth.

Further, an annular positioning groove is formed in the outer side wall of the clutch sleeve, and a steering shifting fork is clamped in the positioning groove.

Further, a steering rotating shaft is connected to the steering shifting fork, one end of the steering rotating shaft is connected with the steering shifting fork, and the other end of the steering rotating shaft penetrates through the side wall of the side cover; the steering shifting fork comprises a semicircular arc-shaped plate, a clamping block of a cylinder structure is arranged at the position, close to two end parts, of the inner side surface of the arc-shaped plate, a connecting sleeve is arranged in the middle of the outer side wall of the arc-shaped plate, and the steering rotating shaft is fixedly arranged in the connecting sleeve.

Further, the clutch sleeve comprises a cylindrical shell and an end cover arranged at one end of the shell, the end cover is provided with internal spline teeth matched with the spline sleeve and the external spline teeth, and the shell and the end cover are integrally formed.

Further, a reset spring is sleeved at the position of the outer spline teeth of the half shaft, one end of the reset spring is abutted against the inner side wall of the side cover, and the other end of the reset spring is abutted against the end cover of the clutch sleeve.

Further, the bearing is clamped in the side cover, the bearing sleeve is arranged on the half shaft, the bearing is adjacent to the side face of the external spline teeth, a gasket is arranged between the bearing and the external spline teeth, and one end of the reset spring is abutted against the gasket.

According to the utility model, the driving bevel gear shaft drives the driven bevel gear disc to rotate so as to drive the spline housing to rotate, the clutch housing is matched with the external spline teeth and the spline housing on the half shaft, so that the half shaft rotates, the clutch housing slides on the external spline teeth, the clutch housing is separated from the spline housing, a speed reduction effect is achieved, the clutch housing is matched with the side cover, the clutch housing is limited to rotate, and further, one half shaft is limited to rotate, so that the steering is convenient, the operation difficulty of a user is reduced, the steering efficiency of the agricultural machinery is improved, and the steering operation is convenient.

Drawings

FIG. 1 is an exploded view of a steering device with braking function for an agricultural machine according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an operation state of a steering device with brake function for an agricultural machine according to an embodiment of the present utility model;

FIG. 3 is a schematic view of another set of operation states of a steering device with brake function for an agricultural machine according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of a steering device with a braking function for an agricultural machine in an operation state according to an embodiment of the present utility model.

Reference numerals:

1. a side cover; 101. a key slot; 2. a driving bevel gear shaft; 3. driven umbrella fluted disc; 301. internal teeth; 4. a steering fork; 401. a clamping block; 402. a connecting sleeve; 5. a half shaft; 501. external spline teeth; 502. a clamping hole; 503. a connecting rod; 6. a return spring; 7. a clutch sleeve; 701. a clamping key; 702. internal spline teeth; 703. a positioning groove; 8. turning to a rotation shaft; 9. a spline housing; 901. a clamping groove; 902. a limiting snap ring; 903. a limit sleeve; 10. a bearing; 11. a gasket.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.

In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Examples:

referring to fig. 1 to 4, a steering device with braking function for agricultural machinery comprises two side covers 1 and a shell arranged between the two side covers 1, wherein the side wall of the shell is provided with a driving bevel gear shaft 2 in a penetrating manner, a spline sleeve 9 is arranged in the shell, the outer side wall of the spline sleeve 9 is provided with a driven bevel gear disc 3 matched with the driving bevel gear shaft 2, a transmission shaft is arranged in the spline sleeve 9, the transmission shaft penetrates through the two side covers 1 and is formed by splicing two half shafts 5, an external spline tooth 501 is arranged at the position, close to the end part of the spline shaft, on the outer side wall of each half shaft 5, of the spline sleeve 9, the spline sleeve 9 is clamped between the two external spline teeth 501, a clutch sleeve 7 is arranged on each half shaft 5, the clutch sleeve 7 is matched with the external spline tooth 501 and the spline sleeve 9, a clamping key 701 is arranged on the adjacent surface of the side cover 1, and a key groove 101 is arranged at the position, corresponding to the clamping key 701, on the inner side wall of the side cover 1.

The driving bevel gear shaft 2 drives the driven bevel gear disc 3 to rotate, the driven bevel gear disc 3 drives the spline housing 9 to rotate together, the spline housing 9 rotates to drive the clutch housing 7 to rotate, the clutch housing 7 rotates to drive the half shaft 5 to rotate, the clutch housing 7 is arranged on the half shaft 5 in a sliding manner, after the clutch housing 7 is separated from the spline housing 9, the spline housing 9 rotates to prevent the clutch housing 7 from rotating, so that the half shaft 5 cannot be driven to rotate, and steering operation is facilitated by adjusting the rotation speed of one half shaft 5; the clutch sleeve 7 continues to slide, so that the clamping key 701 on the clutch sleeve 7 is clamped in the key groove 101 on the inner side wall of the side cover 1, the clutch sleeve 7 is limited to rotate through the key groove 101, and at the moment, the clutch sleeve 7 is connected with the external spline teeth 501 on the half shaft 5, thereby limiting the half shaft 5 to rotate, and achieving the braking effect.

The end face of one of the half shafts 5 is provided with a clamping hole 502, and the end face of the other half shaft 5 is provided with a connecting rod 503 matched with the clamping hole 502. The two half shafts 5 are connected together in the clamping holes 502 through the connecting rods 503 in an inserted mode, so that the two half shafts 5 can not mutually influence each other when rotating alone, and meanwhile, the positioning effect can be achieved.

The inside wall of driven umbrella fluted disc 3 is equipped with spline housing 9 assorted internal tooth 301, and spline housing 9 lateral wall cover is equipped with two spacing snap rings 902, and the draw-in groove 901 has been opened to spline housing 9 lateral wall, and spacing snap ring 902 card is put in draw-in groove 901, and driven umbrella fluted disc 3 is located between two spacing snap rings 902. The internal tooth 301 of the inner side wall of the driven bevel gear disk 3 is matched with the spline housing 9, so that the driven bevel gear disk 3 can drive the spline housing 9 to rotate when rotating, and meanwhile, the driven bevel gear disk 3 is fixed in the clamping groove 901 through the limiting snap ring 902, so that the position of the driven bevel gear disk 3 on the spline housing 9 is fixed, and the driven bevel gear disk 3 is prevented from shaking when in use, and normal use is affected.

The outer side wall of the spline housing 9 is also sleeved with a limit sleeve 903, the limit sleeve 903 is arranged between the driven bevel gear 3 and the limit clamp ring 902, and the limit sleeve 903 is positioned on one side of the driven bevel gear 3 where teeth are arranged. The driven bevel gear 3 is abutted through the limit sleeve 903, the position of the clamping groove 901 on the spline housing 9 is fixed, the installation of the driven bevel gear 3 with different thicknesses can be adapted through the sliding sleeve, the adaptability of the device is improved, meanwhile, the installation and fixation are convenient, the contact with the driven bevel gear 3 can be tight, and the stability of the structure of the driven bevel gear 3 is further improved.

The outer side wall of the clutch sleeve 7 is provided with an annular positioning groove 703, and a steering shifting fork 4 is clamped in the positioning groove 703. The positioning groove 703 is internally provided with a steering shifting fork 4, and the steering shifting fork 4 drives the clutch sleeve 7 to slide on the half shaft 5 so as to facilitate the operation requirement of the clutch sleeve 7.

The steering shifting fork 4 is connected with a steering rotating shaft 8, one end of the steering rotating shaft 8 is connected with the steering shifting fork 4, and the other end penetrates through the side wall of the side cover 1; the steering shifting fork 4 comprises a semicircular arc-shaped plate, a clamping block 401 of a cylinder structure is arranged at the position, close to two end parts, of the inner side surface of the arc-shaped plate, a connecting sleeve 402 is arranged in the middle of the outer side wall of the arc-shaped plate, and the steering rotating shaft 8 is fixedly arranged in the connecting sleeve 402.

The steering rotation shaft 8 is fixedly arranged, when the steering rotation shaft 8 is rotated, the steering rotation shaft 8 can drive the steering shifting fork 4 to rotate, the clamping block 401 of the steering shifting fork 4 can apply a rotating acting force to the clutch sleeve 7, and the clutch sleeve 7 cannot rotate because the clutch sleeve 7 is arranged on the half shaft 5, so that the clutch sleeve 7 slides on the half shaft 5, and meanwhile the clamping block 401 rotates on the clutch sleeve 7.

The clutch sleeve 7 comprises a cylindrical shell and an end cover arranged at one end of the shell, the end cover is provided with internal spline teeth 702 matched with the spline sleeve 9 and the external spline teeth 501, and the shell and the end cover are integrally formed. Through the cooperation of internal spline tooth 702 and spline housing 9 for can drive clutch housing 7 and rotate together when spline housing 9 rotates, simultaneously through the external spline tooth 501 cooperation of internal spline tooth 702 and semi-axis 5, can drive semi-axis 5 and rotate when making clutch housing 7 rotate.

The position of the half shaft 5 provided with the external spline teeth 501 is sleeved with a return spring 6, one end of the return spring 6 is abutted against the inner side wall of the side cover 1, and the other end is abutted against the end cover of the clutch sleeve 7. The clutch sleeve 7 can return to the position connected with the spline shaft conveniently by means of elastic force of the return spring 6 to the clutch sleeve 7.

The bearing 10 is clamped in the side cover 1, the bearing 10 is sleeved on the half shaft 5, the bearing 10 is adjacent to the side face of the external spline tooth 501, the gasket 11 is arranged between the bearing 10 and the external spline tooth 501, and one end of the return spring 6 abuts against the gasket 11. The half shaft 5 is qualitatively positioned through the bearing 10, so that the half shaft 5 can conveniently rotate, and the reset spring 6 can conveniently be installed through the gasket 11.

When the clutch sleeve is used, as shown in fig. 2, under the normal running condition, the clutch sleeve 7 is connected with the spline sleeve 9 and the half shaft 5 at the same time, so that the driving bevel gear shaft 2 rotates to drive the driven bevel gear disc 3 to rotate, and then the spline sleeve 9 is driven to rotate, the spline sleeve 9 rotates to drive the clutch sleeve 7 to rotate, and thus the half shaft 5 is driven to rotate, and when the clutch sleeve is used, rollers are arranged on the half shaft 5, so that the clutch sleeve can normally run forwards; as shown in fig. 3, if the steering operation is to be performed, the rotation speed of one side of the half shaft 5 needs to be reduced, the other side of the half shaft 5 operates normally, at this time, the steering rotation shaft 8 on one side rotates to drive the clutch sleeve 7 to slide on the half shaft 5, so that the clutch sleeve 7 is separated from the spline shaft, at this time, the spline shaft rotates to not drive the half shaft 5 on the one side to rotate, but continue to drive the half shaft 5 on the other side to rotate, at this time, the roller on the one side does not rotate, and the roller on the other side continuously rotates, so as to achieve the steering effect; as shown in fig. 4, if the braking operation is to be performed, the steering rotation shaft 8 is continuously rotated, so that the clutch sleeve 7 moves to the side cover 1, the clamping key 701 on the clutch sleeve 7 is clamped in the key groove 101 of the side cover 1, the rotation of the clutch sleeve 7 is limited by the side cover 1, and at this time, the clutch sleeve 7 is connected with the half shaft 5, and the rotation of the half shaft 5 is further limited, so that the braking effect is achieved.

During actual use, the side wall of the connecting sleeve 402 on the steering shifting fork 4 is provided with a locking hole, a locking bolt is arranged in the locking hole, and the position of the steering rotating shaft 8 is fixed through the locking bolt, so that the shifting fork can be driven to rotate by rotating the steering rotating shaft 8, and the clutch sleeve 7 is moved.

The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides a steering device of area brake function for agricultural machinery, its characterized in that, including both sides lid and the shell of setting between both sides lid, the shell lateral wall runs through and is provided with initiative umbrella tooth axle, be equipped with the spline housing in the shell, spline housing lateral wall cover is equipped with the driven umbrella fluted disc with initiative umbrella tooth axle matched with, be equipped with the transmission shaft in the spline housing, the transmission shaft runs through both sides lid, and the transmission shaft comprises two semi-axis concatenation, the position that is close to the spline shaft tip on the semi-axis lateral wall is equipped with external spline tooth, the spline housing card is put between two external spline tooth, be equipped with the clutch housing on the semi-axis, clutch housing and external spline tooth and spline housing cooperate, the clutch housing is equipped with the key with the adjacent face of side lid, the position that the side lid inside wall corresponds the key is equipped with the keyway.

2. The steering device with a braking function for an agricultural machine according to claim 1, wherein the end face of one of the half shafts is provided with a clamping hole, and the end face of the other half shaft is provided with a connecting rod matched with the clamping hole.

3. The steering device with a braking function for an agricultural machine according to claim 2, wherein inner teeth matched with a spline housing are arranged on the inner side wall of the driven bevel gear disk, two limiting snap rings are sleeved on the outer side wall of the spline housing, a clamping groove is formed in the outer side wall of the spline housing, the limiting snap rings are clamped in the clamping groove, and the driven bevel gear disk is located between the two limiting snap rings.

4. The steering device with a braking function for an agricultural machine according to claim 3, wherein a limiting sleeve is further sleeved on the outer side wall of the spline housing, the limiting sleeve is arranged between the driven bevel gear disc and the limiting clamp ring, and the limiting sleeve is positioned on one side of the driven bevel gear disc, on which teeth are arranged.

5. The steering device with a braking function for an agricultural machine according to claim 4, wherein an annular positioning groove is formed in the outer side wall of the clutch sleeve, and a steering shifting fork is clamped in the positioning groove.

6. The steering device with a braking function for an agricultural machine according to claim 5, wherein the steering fork is connected with a steering rotating shaft, one end of the steering rotating shaft is connected with the steering fork, and the other end of the steering rotating shaft penetrates through the side wall of the side cover; the steering shifting fork comprises a semicircular arc-shaped plate, a clamping block of a cylinder structure is arranged at the position, close to two end parts, of the inner side surface of the arc-shaped plate, a connecting sleeve is arranged in the middle of the outer side wall of the arc-shaped plate, and the steering rotating shaft is fixedly arranged in the connecting sleeve.

7. The steering device with a braking function for an agricultural machine according to claim 6, wherein the clutch sleeve comprises a cylindrical shell and an end cover arranged at one end of the shell, the end cover is provided with internal spline teeth matched with the spline sleeve and the external spline teeth, and the shell and the end cover are integrally formed.

8. The steering device with a braking function for an agricultural machine according to claim 7, wherein a return spring is sleeved at a position where the external spline teeth are arranged on the half shaft, one end of the return spring abuts against the inner side wall of the side cover, and the other end of the return spring abuts against the end cover of the clutch sleeve.

9. The steering device with a braking function for an agricultural machine according to claim 8, wherein a bearing is clamped in the side cover, the bearing is sleeved on the half shaft, the bearing is adjacent to the side face of the external spline tooth, a gasket is arranged between the bearing and the external spline tooth, and one end of the return spring abuts against the gasket.