CN218267143U

CN218267143U - Agricultural mechanical gearbox

Info

Publication number: CN218267143U
Application number: CN202222749592.XU
Authority: CN
Inventors: 贺胜浩
Original assignee: Hunan Baotian Heavy Industry Co ltd
Current assignee: Hunan Baotian Heavy Industry Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-10
Anticipated expiration: 2032-10-18

Abstract

The utility model provides an agricultural mechanical gearbox, which comprises a gearbox body, wherein the left side of the gearbox body is connected with a rotating shaft and a belt wheel, and the outer wall of the rotating shaft is provided with a circular groove; the outer wall of the rotating shaft is sleeved with a limiting sleeve, the outer wall of the limiting sleeve is sleeved with a rotating wheel, the outer wall of the rotating wheel is connected with a belt, a plurality of accommodating grooves are symmetrically formed in the inner wall of the limiting sleeve, an arc-shaped expansion plate with a convex cross section is connected inside each accommodating groove, the arc-shaped expansion plate is matched with the circular groove, one end face, located inside each accommodating groove, of each arc-shaped expansion plate is connected with a plurality of second springs, and one end, away from the arc-shaped expansion plate, of each second spring is connected with the inner wall of each accommodating groove; the utility model discloses a circular recess that sets up in the pivot, the stop gear that is equipped with on the circular recess, the arc expansion plate that sets up on the cooperation spacing sleeve is connected with the circular recess, carries out spacing fixed, and spacing sleeve and pivot threaded connection to realized runner convenient to detach and installed, conveniently maintained or change the runner.

Description

Agricultural mechanical gearbox

Technical Field

The utility model mainly relates to the technical field of agricultural machinery, in particular to an agricultural machinery gearbox.

Background

The agricultural machinery refers to various machinery used in the production process of crop planting and animal husbandry, and the primary processing and treatment process of agricultural and animal products, the agricultural machinery includes agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, etc., the tractor is one of the common agricultural tools in rural areas, and has been widely used due to its wide functions.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem, the utility model provides an agricultural machinery gearbox.

The utility model provides an agricultural machinery gearbox adopts following technical scheme:

the transmission gear comprises a transmission gear body, wherein the left side of the transmission gear body is connected with a rotating shaft and a belt wheel, the rotating shaft is positioned on the front side of the belt wheel and is connected with the output end of the transmission gear body, and the outer wall of the rotating shaft is provided with a circular groove; the outer wall of the rotating shaft is sleeved with a limiting sleeve, the outer wall of the limiting sleeve is sleeved with a rotating wheel, the outer wall of the rotating wheel is connected with a belt, the rotating wheel is connected with a belt wheel through the belt, a plurality of accommodating grooves are symmetrically formed in the inner wall of the limiting sleeve, an arc-shaped expansion plate with a convex cross section is connected in each accommodating groove, the arc-shaped expansion plate is matched with the circular groove, one end face, located in each accommodating groove, of the arc-shaped expansion plate is connected with a plurality of second springs, and one ends, far away from the arc-shaped expansion plate, of the second springs are connected with the inner wall of each accommodating groove; the utility model discloses a circular recess that sets up in the pivot, the stop gear that is equipped with on the circular recess, the arc expansion plate that sets up on the cooperation spacing sleeve is connected with the circular recess, carries out spacing fixed, and spacing sleeve and pivot threaded connection to realized runner convenient to detach and installed, conveniently maintained or change the runner.

Furthermore, an end face of the arc-shaped expansion plate extending out of the accommodating groove is provided with a limiting hole.

Further, the outer wall of the circular groove is symmetrically provided with a plurality of communicated step holes, a telescopic block is connected inside the step hole, one end, located inside the step hole, of the telescopic block is connected with a first spring, one end, far away from the telescopic block, of the first spring is connected with the inner wall of the step hole, and one end, extending out of the telescopic block, of the telescopic block is matched with the limiting hole.

Furthermore, the outer wall of the rotating shaft is provided with a threaded portion, and the limiting sleeve is in threaded connection with the rotating shaft through the threaded portion.

Furthermore, the left side of the rotating shaft is connected with a shaft cap, and the shaft cap is in contact with the rotating wheel.

Furthermore, the outer wall of the right side of the rotating wheel is connected with a limiting rod with an L-shaped cross section, the upper end of the limiting rod is connected with a limiting rotary drum, and the limiting rotary drum is located at the upper end of the belt wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a circular groove that sets up in the pivot, the stop gear that is equipped with on the circular groove, the arc expansion plate that sets up on the cooperation spacing sleeve is connected with the circular groove, carries out spacing fixed, and spacing sleeve and pivot threaded connection to further carry out spacing installation to the runner;

2. the utility model discloses a rotate the runner for the screw thread portion that limit sleeve set up in through the pivot rotates and removes, and limit sleeve rotates the in-process, drives the inner wall contact of arc expansion plate and circular recess, and the influence of atress drives the second spring to accomodating the inslot portion shrink, makes spacing hole keep away from flexible piece, makes under the influence of flexible piece atress, drives first spring to the shrink of step downthehole portion, is convenient for accomplish the dismantlement of runner.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the front view structure of the rotating shaft of the present invention;

FIG. 4 is a schematic cross-sectional view of the rotating shaft of the present invention;

FIG. 5 is a schematic cross-sectional view of the spacing sleeve of the present invention;

fig. 6 is a schematic view of the side view structure of the arc-shaped retractable plate of the present invention.

In the figure: 1. a gearbox body; 2. a rotating wheel; 3. a pulley; 4. a belt; 11. a rotating shaft; 12. a limiting sleeve; 13. a shaft cap; 21. a limiting rod; 111. a threaded portion; 112. a circular groove; 113. a stepped bore; 114. a first spring; 115. a telescopic block; 121. a second spring; 122. an arc-shaped expansion plate; 123. a receiving groove; 124. a limiting hole; 211. and limiting the rotating cylinder.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1:

the embodiment of the utility model discloses an agricultural machinery gearbox, please refer to fig. 1-6 with emphasis, including gearbox body 1, gearbox body 1 left side is connected with pivot 11 and band pulley 3, pivot 11 is located band pulley 3 front side, and is connected with gearbox body 1 output, the outer wall of pivot 11 is equipped with circular groove 112; the outer wall of the rotating shaft 11 is sleeved with a limiting sleeve 12, the outer wall of the limiting sleeve 12 is sleeved with a rotating wheel 2, the outer wall of the rotating wheel 2 is connected with a belt 4, the rotating wheel 2 is connected with a belt wheel 3 through the belt 4, the inner wall of the limiting sleeve 12 is symmetrically provided with a plurality of accommodating grooves 123, the accommodating grooves 123 are internally connected with arc-shaped expansion plates 122 with the cross sections being in a convex shape, the arc-shaped expansion plates 122 are matched with the circular grooves 112, one end faces, located inside the accommodating grooves 123, of the arc-shaped expansion plates 122 are connected with a plurality of second springs 121, and one ends, far away from the arc-shaped expansion plates 122, of the second springs 121 are connected with the inner walls of the accommodating grooves 123; the utility model discloses a circular slot 112 that sets up in the pivot 11, the stop gear that is equipped with on the circular slot 112, the arc expansion plate 122 that sets up on the cooperation stop sleeve 12 is connected with circular slot 112, carries out spacing fixed, and stop sleeve 12 and pivot 11 threaded connection to realized runner 2 convenient to detach installation, conveniently maintained or change runner 2.

Please refer to fig. 1-6, a limiting hole 124 is disposed on one end surface of the arc-shaped expansion plate 122 extending out of the accommodating groove 123, a plurality of communicated step holes 113 are symmetrically disposed on an outer wall of the circular groove 112, an expansion block 115 is connected inside the step holes 113, a first spring 114 is connected to one end of the expansion block 115 located inside the step holes 113, one end of the first spring 114 far away from the expansion block 115 is connected to an inner wall of the step holes 113, one end of the expansion block 115 extending out of the step holes 113 is engaged with the limiting hole 124, a threaded portion 111 is disposed on an outer wall of the rotating shaft 11, the limiting sleeve 12 is in threaded connection with the rotating shaft 11 through the threaded portion 111, a shaft cap 13 is connected to a left side of the rotating shaft 11, the shaft cap 13 is in contact with the rotating wheel 2, a limiting rod 21 having an L-shaped cross section is connected to an outer wall of a right side of the rotating wheel 2, a limiting drum 211 is connected to an upper end of the limiting drum 211, and the limiting drum 211 is located at an upper end of the pulley 3; through rotating runner 2, make limit sleeve 12 through the screw thread portion 111 that sets up on the pivot 11, rotate and remove, limit sleeve 12 rotates the in-process, drive the inner wall contact of arc expansion plate 122 with circular recess 112, the influence of atress drives second spring 121 to accomodating the inside shrink of groove 123, make spacing hole 124 keep away from flexible piece 115, make under the influence of flexible piece 115 atress, drive first spring 114 to the inside shrink of step hole 113, be convenient for accomplish runner 2's dismantlement.

The utility model discloses an implementation principle of agricultural machinery gearbox does:

when the installation is dismantled to runner 2 to needs, at first dismantle belt 4 from runner 2 and band pulley 3, then dismantle axle cap 13 from pivot 11, then rotate runner 2, make spacing sleeve 12 through the screw thread portion 111 that sets up on the pivot 11, rotate and remove, spacing sleeve 12 rotates the in-process, drive arc expansion plate 122 and the inner wall contact of circular recess 112, the influence of atress drives second spring 121 to accomodating the inside shrink of groove 123, make spacing hole 124 keep away from flexible piece 115, make under the influence of flexible piece 115 atress, drive first spring 114 to the inside shrink of step hole 113, thereby accomplish the dismantlement of runner 2, be convenient for maintain or change.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. An agricultural machinery gearbox is characterized in that: the transmission comprises a transmission body (1), wherein a rotating shaft (11) and a belt wheel (3) are connected to the left side of the transmission body (1), the rotating shaft (11) is located on the front side of the belt wheel (3) and is connected with the output end of the transmission body (1), and a circular groove (112) is formed in the outer wall of the rotating shaft (11); pivot (11) outer wall cover is equipped with limit sleeve (12), limit sleeve (12) outer wall cover is equipped with runner (2), runner (2) outer wall connection has belt (4), belt (4) through being equipped with are connected with band pulley (3) runner (2), limit sleeve (12) inner wall symmetry is equipped with a plurality of grooves (123) of accomodating, accomodate groove (123) internal connection and have arc expansion plate (122) of the transversal character type of personally submitting, arc expansion plate (122) agree with circular recess (112), arc expansion plate (122) are located the inside terminal surface of accomodating groove (123) and are connected with a plurality of second springs (121), the one end that arc expansion plate (122) were kept away from in second spring (121) and accomodate groove (123) inner wall connection.

2. An agricultural mechanical gearbox according to claim 1, wherein: and a limiting hole (124) is formed in one end face, extending out of the accommodating groove (123), of the arc-shaped expansion plate (122).

3. An agricultural mechanical gearbox according to claim 1, wherein: circular recess (112) outer wall symmetry is equipped with a plurality of step holes (113) that are linked together, step hole (113) internal connection has flexible piece (115), flexible piece (115) are located the inside one end in step hole (113) and are connected with first spring (114), the one end and the step hole (113) inner wall connection of flexible piece (115) are kept away from in first spring (114), flexible piece (115) stretch out to the inside one end in step hole (113) and agree with spacing hole (124).

4. An agricultural mechanical gearbox according to claim 1, wherein: the outer wall of the rotating shaft (11) is provided with a threaded portion (111), and the limiting sleeve (12) is in threaded connection with the rotating shaft (11) through the threaded portion (111).

5. An agricultural mechanical gearbox according to claim 4, wherein: the left side of the rotating shaft (11) is connected with a shaft cap (13), and the shaft cap (13) is in contact with the rotating wheel (2).

6. An agricultural mechanical gearbox according to claim 1, wherein: the outer wall of the right side of the rotating wheel (2) is connected with a limiting rod (21) with an L-shaped cross section, the upper end of the limiting rod (21) is connected with a limiting rotary drum (211), and the limiting rotary drum (211) is located above the belt wheel (3).