CN216951506U

CN216951506U - Support arm transmission assembly

Info

Publication number: CN216951506U
Application number: CN202220920955.9U
Authority: CN
Inventors: 梁启禹
Original assignee: Fuyang City Mingyang Agricultural Machinery Co ltd
Current assignee: Fuyang City Mingyang Agricultural Machinery Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-12
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a support arm transmission assembly, and particularly relates to the technical field of agricultural machinery, which comprises a transmission frame, wherein a protective shell is fixedly arranged on one side of the transmission frame through a bolt, a transmission top shaft is arranged at the top of the transmission frame, a transmission bottom shaft is arranged at the bottom of the transmission frame, a driving shaft is arranged on one side of the transmission frame close to the transmission bottom shaft, a sealing component is arranged between the transmission bottom shaft and the driving shaft, chain wheels are fixedly sleeved at the end parts of the transmission top shaft and the transmission bottom shaft, and the outer sides of the two chain wheels are connected with a transmission chain in a meshed manner The sealed urceolus junction is lubricated, promotes the rotation effect of drive shaft.

Description

Support arm transmission assembly

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a support arm transmission assembly.

Background

With the rapid development of modern agriculture, agricultural machinery is gradually applied to the farmland management process, and a special agricultural fertilizing machine is required to be used for fertilizing the farmland in the farmland management process, most of the agricultural fertilizing machines used in the prior art are provided with a moving mechanism and a fertilizing mechanism, the moving mechanism drives the fertilizing mechanism to move, and the fertilizing mechanism performs fertilizing operation on the farmland, wherein a support arm transmission assembly is usually additionally arranged between the moving mechanism and the fertilizing mechanism to perform transmission of a drive shaft between the moving mechanism and the fertilizing mechanism;

however, the existing support arm transmission assembly is relatively simple in structure, poor in sealing performance at the rotating position of the driving shaft, easy to enter soil during use, and prone to causing transmission blockage and affecting normal use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a boom transmission assembly to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a support arm transmission assembly comprises a transmission frame, wherein a protective shell is fixedly arranged on one side of the transmission frame through a bolt, a transmission top shaft is arranged at the top of the transmission frame, a transmission bottom shaft is arranged at the bottom of the transmission frame, a driving shaft is arranged on one side of the transmission frame, which is close to the transmission bottom shaft, a sealing component is arranged between the transmission bottom shaft and the driving shaft, chain wheels are fixedly sleeved on the end parts of the transmission top shaft and the transmission bottom shaft, and the outer sides of the two chain wheels are connected with a transmission chain in a meshing manner;

the seal assembly comprises a seal outer barrel, a third bearing is arranged on an inner side fixing clamp of the seal outer barrel, a drive shaft penetrates through the middle of the seal outer barrel and is fixedly clamped in the middle of the third bearing, one side, close to a transmission bottom shaft, of the transmission frame is provided with a seal groove corresponding to the seal outer barrel, a seal ring is movably clamped in the seal groove, the end portion of the seal outer barrel is fixedly clamped in the seal groove through a bolt, and the end portion of the seal outer barrel is in contact with the seal ring.

As a preferable technical scheme of the utility model, the outer wall of the sealing outer cylinder is provided with an oil injection groove, the inner wall of the sealing outer cylinder is provided with an oil storage ring groove communicated with the oil injection groove, and the end part of the oil injection groove is provided with a sealing nozzle in a threaded manner.

As a preferred technical scheme of the utility model, one side of the driving shaft, which is close to the transmission bottom shaft, is integrally formed with a limiting block, one side of the transmission bottom shaft, which is close to the driving shaft, is provided with a limiting groove corresponding to the limiting block, and the limiting block is movably clamped in the corresponding limiting groove.

As a preferable technical scheme of the utility model, one side of the protective shell, which is close to the transmission frame, is fixedly provided with a sealing gasket frame, and the sealing gasket frame is contacted with the transmission frame.

As a preferred technical scheme of the utility model, one side of the transmission frame, which is close to the transmission top shaft and one side of the transmission bottom shaft, are fixedly clamped with first bearings, and the transmission top shaft and the transmission bottom shaft are fixedly clamped in the middle parts corresponding to the first bearings respectively.

As a preferred technical scheme of the utility model, clamping seats are integrally formed on one sides of the inner wall of the protective shell, which are close to the transmission top shaft and the transmission bottom shaft, second bearings are fixedly clamped in the clamping seats, and the transmission top shaft and the transmission bottom shaft are fixedly clamped in the middle parts of the corresponding second bearings respectively.

As a preferred technical solution of the present invention, the sprocket and the transmission chain are located in the protective shell, and the sprocket and the transmission chain are located between the first bearing and the second bearing.

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

1. the transmission bottom shaft and the driving shaft are convenient to disassemble and maintain, and the sealing performance of the joint between the transmission bottom shaft and the driving shaft is improved by arranging the sealing assembly, so that the joint between the transmission bottom shaft and the driving shaft is prevented from being damaged by external impurities, the transmission effect and the operation efficiency are improved, the joint between the driving shaft and the sealing outer barrel is convenient to lubricate, and the rotation effect of the driving shaft is improved;

2. by arranging the sealing gasket frame, the sealing performance between the protective shell and the transmission frame is improved, so that the influence on transmission caused by the blockage of a chain wheel and a transmission chain due to the impurities entering the protective shell is prevented, and the using effect of the whole assembly is improved;

3. through setting up first bearing, second bearing, improve transmission apical axis, transmission bottom shaft pivoted stability to promote sprocket, the driven stability of drive chain, prevent that drive chain from breaking away from the sprocket, and then promoted the result of use of whole assembly.

Drawings

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

figure 2 is a schematic view of the present invention showing the structural disassembly,

figure 3 is another exploded view of the structure of the present invention,

FIG. 4 is a schematic view of the structural connection of the drive carrier and drive bottom shaft, drive shaft and seal assembly of the present invention.

In the figure: 1. a transmission frame; 2. a protective shell; 3. a transmission top shaft; 4. a drive bottom shaft; 5. a drive shaft; 6. a seal assembly; 7. a sprocket; 8. a drive chain; 9. a gasket frame; 11. a first bearing; 21. a card holder; 22. a second bearing; 61. sealing the outer cylinder; 611. an oil injection groove; 612. an oil storage ring groove; 62. a third bearing; 63. a seal ring; 101. a sealing groove; 64. sealing the mouth; 51. a limiting block; 401. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a support arm transmission assembly, which comprises a transmission frame 1, wherein a protective shell 2 is fixedly arranged on one side of the transmission frame 1 through a bolt, so that the protective shell 2 is convenient to disassemble, a transmission top shaft 3 is arranged at the top of the transmission frame 1, the transmission top shaft 3 is connected with a moving mechanism driving part, a transmission bottom shaft 4 is arranged at the bottom of the transmission frame 1, a driving shaft 5 is arranged on one side of the transmission frame 1 close to the transmission bottom shaft 4, the driving shaft 5 is connected with a fertilizing mechanism driving part, a sealing component 6 is arranged between the transmission bottom shaft 4 and the driving shaft 5, chain wheels 7 are fixedly sleeved at the end parts of the transmission top shaft 3 and the transmission bottom shaft 4, transmission chains 8 are meshed and connected with the outer sides of the two chain wheels 7, and the transmission of the chain wheels 7 and the transmission chains 8 can drive the transmission bottom shaft 4 to rotate;

a limiting block 51 is integrally formed on one side, close to the transmission bottom shaft 4, of the driving shaft 5, a limiting groove 401 corresponding to the limiting block 51 is formed on one side, close to the driving shaft 5, of the transmission bottom shaft 4, the limiting block 51 is movably clamped in the corresponding limiting groove 401, the limiting block 51 is movably clamped in the limiting groove 401, the driving shaft 5 can be driven to rotate by driving the transmission bottom shaft 4, so that transmission between the moving mechanism and the fertilizing mechanism is performed, and the transmission bottom shaft 4 and the driving shaft 5 are convenient to disassemble and overhaul;

seal assembly 6 is including sealed urceolus 61, the inboard fixing clip of sealed urceolus 61 is equipped with third bearing 62, drive shaft 5 runs through the middle part of sealed urceolus 61 and the fixed joint is at the middle part of third bearing 62, drive shaft 5 can stabilize the rotation at the middle part of sealed urceolus 61, the seal groove 101 that corresponds with sealed urceolus 61 is seted up to one side that transmission frame 1 is close to transmission bottom shaft 4, activity joint has sealing washer 63 in the seal groove 101, the tip of sealed urceolus 61 passes through bolt fastening joint in seal groove 101, the tip and the sealing washer 63 contact of sealed urceolus 61, through setting up seal groove 101, sealing washer 63 increases transmission bottom shaft 4, the leakproofness of junction between the drive shaft 5, thereby prevent that outside miscellaneous pair from causing transmission bottom shaft 4, the junction of drive shaft 5 damages, and then promote transmission effect and operating efficiency.

The outer wall of the sealing outer cylinder 61 is provided with an oil injection groove 611, the inner wall of the sealing outer cylinder 61 is provided with an oil storage ring groove 612 communicated with the oil injection groove 611, the end part of the oil injection groove 611 is provided with a sealing nozzle 64 in a threaded manner, during use, the sealing nozzle 64 is disassembled in a threaded manner, lubricating oil is injected into the oil storage ring groove 612 through the oil injection groove 611, and the lubricating oil is stored in the oil storage ring groove 612, so that the joint of the driving shaft 5 and the sealing outer cylinder 61 is lubricated, and further the rotation effect of the driving shaft 5 is improved.

One side fixed mounting that protective housing 2 is close to driving frame 1 has gasket frame 9, and gasket frame 9 and driving frame 1 contact through setting up gasket frame 9, improve the leakproofness between protective housing 2, the driving frame 1 to it causes sprocket 7, 8 jam influence transmissions to advance impurity in the protective housing 2 to prevent, and then has promoted the result of use of whole assembly.

One side of the transmission frame 1, which is close to the transmission top shaft 3 and one side of the transmission bottom shaft 4, are fixedly clamped with first bearings 11, and the transmission top shaft 3 and the transmission bottom shaft 4 are fixedly clamped in the middle parts corresponding to the first bearings 11 respectively; the equal integrated into one piece in one side that 2 inner walls of protecting crust are close to transmission apical axis 3, transmission bottom shaft 4 has cassette 21, and equal fixing clip is equipped with second bearing 22 in the cassette 21, and transmission apical axis 3, transmission bottom shaft 4 fixed joint respectively are at the middle part that corresponds second bearing 22, through setting up first bearing 11, second bearing 22, improve transmission apical axis 3, transmission bottom shaft 4 pivoted stability.

Sprocket 7, drive chain 8 are located protecting shell 2, and sprocket 7, drive chain 8 are located between first bearing 11, the second bearing 22 to promote sprocket 7, the driven stability of drive chain 8, prevent that drive chain 8 from breaking away from sprocket 7, and then promoted the result of use of whole assembly.

The working principle is as follows: when the sealing device is used, the sealing outer cylinder 61 with the driving shaft 5 is fixedly clamped in the sealing groove 101 through bolts and is in contact with the sealing ring 63, at the moment, the limiting block 51 is movably clamped in the limiting groove 401, and the sealing performance of the joint between the transmission bottom shaft 4 and the driving shaft 5 is improved through the arrangement of the sealing groove 101 and the sealing ring 63, so that the joint between the transmission bottom shaft 4 and the driving shaft 5 is prevented from being damaged by external impurities, and the transmission effect and the operation efficiency are improved;

the disassembly and maintenance between the transmission bottom shaft 4 and the driving shaft 5 are facilitated by disassembling the sealing outer cylinder 61;

when the sealing device is used subsequently, the sealing mouth 64 can be screwed and disassembled, lubricating oil is injected into the oil storage ring groove 612 through the oil injection groove 611, and the lubricating oil is stored in the oil storage ring groove 612, so that the joint of the driving shaft 5 and the sealing outer cylinder 61 is lubricated, and the rotating effect of the driving shaft 5 is improved;

wherein, through setting up sealing gasket frame 9, can improve the leakproofness between protecting crust 2, drive frame 1 to it causes sprocket 7, 8 jam influence transmissions of drive chain to prevent to advance impurity in protecting crust 2, and then has promoted the result of use of whole assembly, and conveniently carries out the dismantlement of assembly through dismantling protecting crust 2, and then is convenient for dismantle the maintenance to each part, promotes the result of use of whole assembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A support arm transmission assembly comprises a transmission frame (1), and is characterized in that: a protective shell (2) is fixedly mounted on one side of the transmission frame (1) through a bolt, a transmission top shaft (3) is arranged at the top of the transmission frame (1), a transmission bottom shaft (4) is arranged at the bottom of the transmission frame (1), a driving shaft (5) is arranged on one side, close to the transmission bottom shaft (4), of the transmission frame (1), a sealing assembly (6) is arranged between the transmission bottom shaft (4) and the driving shaft (5), chain wheels (7) are fixedly sleeved at the end portions of the transmission top shaft (3) and the transmission bottom shaft (4), and transmission chains (8) are meshed and connected with the outer sides of the two chain wheels (7);

seal assembly (6) are including sealed urceolus (61), the inboard fixing clip of sealed urceolus (61) is equipped with third bearing (62), drive shaft (5) run through the middle part and the fixed joint of sealed urceolus (61) at the middle part of third bearing (62), seal groove (101) that correspond with sealed urceolus (61) are seted up to one side that transmission frame (1) is close to transmission bottom shaft (4), movable joint has sealing washer (63) in seal groove (101), the tip of sealed urceolus (61) passes through the fixed joint of bolt in seal groove (101), the tip and the sealing washer (63) contact of sealed urceolus (61).

2. The arm drive assembly of claim 1, wherein: oiling groove (611) have been seted up to the outer wall of sealed urceolus (61), the communicating oil storage ring groove (612) with oiling groove (611) have been seted up to the inner wall of sealed urceolus (61), seal mouth (64) are installed to the tip screw thread of oiling groove (611).

3. The arm drive assembly of claim 1, wherein: drive shaft (5) are close to one side integrated into one piece of transmission bottom shaft (4) and have stopper (51), transmission bottom shaft (4) are close to one side of drive shaft (5) and offer spacing groove (401) that correspond with stopper (51), and stopper (51) activity joint is in corresponding spacing groove (401).

4. The arm drive assembly of claim 1, wherein: one side fixed mounting that protective housing (2) is close to driving frame (1) has gasket frame (9), gasket frame (9) and driving frame (1) contact.

5. The arm drive assembly of claim 1, wherein: the transmission frame (1) is close to the equal fixing clamp in one side of transmission apical axis (3), transmission bottom shaft (4) and is equipped with first bearing (11), transmission apical axis (3), transmission bottom shaft (4) are fixed joint respectively at the middle part that corresponds first bearing (11).

6. The arm drive assembly of claim 5, wherein: the protection casing (2) inner wall is close to the equal integrated into one piece in one side of transmission apical axis (3), transmission bottom shaft (4) and has cassette (21), equal fixing clip is equipped with second bearing (22) in cassette (21), transmission apical axis (3), transmission bottom shaft (4) fixed joint respectively are at the middle part that corresponds second bearing (22).

7. The arm drive assembly of claim 6, wherein: the chain wheel (7) and the transmission chain (8) are located in the protective shell (2), and the chain wheel (7) and the transmission chain (8) are located between the first bearing (11) and the second bearing (22).