CN211152663U

CN211152663U - Steering handrail of mulberry field management machine

Info

Publication number: CN211152663U
Application number: CN201922111574.7U
Authority: CN
Inventors: 郭勇刚; 赵安郡; 刘益州; 姜庆丰; 阳发林
Original assignee: Chongqing Huitian Machinery Manufacturing Co ltd
Current assignee: Chongqing Huitian Machinery Manufacturing Co ltd; Chongqing Hwasdan Machinery Manufacturing Co Ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-04
Anticipated expiration: 2029-11-30

Abstract

The utility model relates to the field of mulberry field management machines, in particular to a steering handrail of a mulberry field management machine; including handrail base, handrail roating seat and handrail frame, the upper end that the roating seat is located handrail base is held up to the armrests, it is articulated between handrail frame and the handrail roating seat, be equipped with steering handle and lift handle on the handrail frame, still include locking mechanism, rotary disk, lift adjustment mechanism and rotary mechanism, be equipped with fixed connection's ladder location axle with it on the rotary disk, rotary disk fixed connection is in handrail base's upper end, rotate between handrail roating seat and the rotation and connect, it is articulated between handrail rotary disk and the handrail frame. Compare with traditional mulberry field supervisor, the utility model discloses realization that can be quick turns to and altitude mixture control, reduces operator's work load, and the both hands need not to leave the handrail, safety when guaranteeing the operator and using mulberry field supervisor.

Description

Steering handrail of mulberry field management machine

Technical Field

The utility model relates to a mulberry field supervisor field, concretely relates to mulberry field supervisor turn to handrail.

Background

As a widely used small machine, the mulberry field management machine is widely popularized and used in China due to the characteristics of small size, light weight, wide practicability, strong power and the like. The mulberry field management machine is mainly applied to small field cultivation in dry land, paddy field, orchard and greenhouse, the cultivation efficiency can reach 0.6-1.1 mu per hour, and the mulberry field management machine is suitable for not only plains but also basins, hills and other areas due to the characteristics of the mulberry field management machine, especially in some areas which are far away or have complicated topography, and the advantages of the mulberry field management machine are reflected due to the fact that medium-sized and large-sized machines cannot enter the areas.

The work area of the management machine for the mulberry field is generally a narrow place, but in order to enable manual operation to be more convenient and labor-saving, the design of the handle is relatively long, so that an operator can operate vertically, and the fatigue degree of the operator is reduced. The traditional mulberry field management machine handles are fixedly connected through bolts, and in order to enlarge the working area of the mulberry field management machine and adapt to more working environments, the directions of the mulberry field management machine handles need to be adjusted. When the handle direction needs to be changed, the two hands of a person need to be separated from the operating handle to loosen the fixing screws, then the handle is adjusted to the required direction, and finally the fixing screws are fastened. The mode is more original in the use process, not only increases the working strength of people, but also causes certain potential safety hazard because both hands of an operator are separated from the handle.

Disclosure of Invention

To the above problem, the utility model provides a mulberry field supervisor turn to handrail solves the bolt in traditional mulberry field supervisor and turns to the structure, the problem of inconvenience and the potential safety hazard brought when turning to for operator operation mulberry field supervisor.

In order to solve the above problem, the utility model discloses a technical scheme as follows: the handrail rotating seat is positioned at the upper end of the handrail base, the handrail frame is hinged with the handrail rotating seat, the handrail frame is provided with a steering handle and a lifting handle, the handrail frame further comprises a locking mechanism, a rotating disk, a lifting adjusting mechanism and a rotating mechanism, the rotating mechanism comprises a bearing sleeve arranged on the center of the bottom surface of the handrail rotating seat, at least two bearings are horizontally arranged in the bearing sleeve, the locking mechanism comprises an installation sleeve arranged on the left side of the bearing sleeve, a stopping bolt is arranged at the upper end of the installation sleeve, a small hole is formed in the center of the stopping bolt, a locking head is arranged inside the installation sleeve, the locking head is of a hollow structure, the lower part of the locking head is conical, a compression spring is arranged inside the locking head, a pull rope is further arranged inside the locking head, one end of the pull rope is connected with the bottom of the locking head, the other end is led out from the retaining bolt and connected with a steering handle on the armrest frame;

a center hole is arranged at the center of the rotating disc, a step positioning shaft is arranged in the center hole,

the end with the large diameter of the stepped positioning shaft is fixed in the central hole, the rotating disc is also provided with at least 6 steering positioning holes, the steering positioning holes are uniformly distributed on a circle which takes the center of the positioning shaft as the center of a circle and takes the distance from the center of the mounting sleeve to the center of the positioning shaft as the radius, a bearing inner ring in the rotating mechanism is sleeved on the end with the small diameter of the positioning shaft, and a retaining ring and a gasket for the shaft are arranged at the upper end of the bearing sleeve;

the lifting adjusting mechanism comprises an arc-shaped positioning plate, a connecting plate and a locking mechanism, the locking mechanism is consistent with a locking mechanism in the armrest rotary seat, one end of the connecting plate is fixed at the right center of the rotary armrest seat, the other end of the connecting plate is fixedly connected with the locking mechanism, the arc-shaped positioning plate is provided with at least 4 round holes, the upper end of the arc-shaped positioning plate is fixedly connected with the armrest frame, and a pull rope led out from the inside of the locking mechanism is connected with a lifting handle on the armrest frame.

The utility model discloses a work like this: when normally working, be chucking state between handrail roating seat and the handrail base, when needs turn to, pinch the handle that turns to on the handrail frame, turn to the inside stay cord of handle pulling, the stay cord upwards mentions the locking head, and manual rotatory handrail frame this moment turns to suitable angle and sees after, loosens the handle that turns to, and compression spring will press the locking head into the locating hole realization of rotary disk and fix. When the height of the armrest frame needs to be adjusted, the lifting handle is pinched to lift or press the armrest frame upwards, after the armrest frame reaches the required height, the lifting handle is loosened, and the compression spring in the locking structure presses the locking head into the small hole of the arc-shaped positioning plate, so that locking is realized. This handrail can be quick realization turn to and altitude mixture control, reduces operator's work load, and both hands need not to leave the handrail, guarantees the safety of operator when using the mulberry field supervisor.

Further, the upper end of stopping bolt is equipped with the rubber post of abrasionproof loss, and the stay cord passes the rubber post, prevents and stops the friction between the bolt and damage.

Furthermore, the middle position of the bearing sleeve is provided with a convex block to separate the upper bearing from the lower bearing, so that the two bearings are prevented from being contacted, and the rotating resistance and the damage to the bearings are avoided.

Furthermore, the number of the bearings in the bearing sleeve is 2, and the two bearings improve the stability of the handrail rotating seat and have better rotating performance.

Furthermore, the bottom of the connecting plate is provided with a supporting rib, so that the lifting mechanism is better supported, and the connecting plate is ensured to have enough bearing capacity.

Further, be equipped with the rubber strip on the side all around of handrail roating seat bottom, the width of rubber strip is greater than the joint gap between handrail roating seat and the handrail base, and the rubber strip shelters from the joint gap between handrail base and the handrail roating seat, prevents that impurity such as silt from getting into inside the handrail roating seat.

Furthermore, the bearing is a deep groove ball bearing, and the friction coefficient of the deep groove ball bearing is small and the axial load capable of being born is large.

Furthermore, the upper end and the lower end of the bearing sleeve are also provided with end covers, and the end covers can shield silt and muddy water from entering the deep groove ball bearing to influence lubrication and use of the deep groove ball bearing.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a left side sectional view of the embodiment of the invention.

Fig. 3 is a schematic front view of an embodiment of the present invention.

FIG. 4 is a schematic diagram of a rotary disk according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the handrail device comprises a handrail base 1, a handrail rotating seat 2, a locking head 2, a compression spring 4, a retaining bolt 5, a handrail frame 6, a shaft retainer ring 7, a gasket 8, a deep groove ball bearing 9, a steering handle 10, a lifting pull rope 11, a steering pull rope 12, a connecting plate 13, an arc-shaped positioning plate 14, a locking mechanism 15, a middle support column 16, an upper support column 17, a rotating disc 18, a lifting handle 19 and a clutch handle 20.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The specific implementation process is as follows:

as shown in fig. 1 and 3, the steering armrest of the mulberry field management machine comprises an armrest base 1, an armrest rotating seat 2, a rotating disk 18 and an armrest frame 6, wherein the armrest base 1 is located at the lowest part, the rotating disk 18 is located on the upper end face of the rotating disk 18, the rotating disk 18 is fixedly connected with the armrest base 1, the rotating disk 18 is movably connected with the armrest rotating seat 2 through a positioning shaft, and the armrest rotating seat 2 is hinged with the armrest frame 6. The right side of the armrest rotary seat 2 is provided with a lifting mechanism, the handle of the left hand holding part of the armrest frame 6 is a steering handle 10, the handle of the right hand holding part is a clutch handle 20, and the handle fixed on the upper support column 17 of the armrest frame 6 is a lifting handle 19.

The lifting mechanism is installed on the right side of the armrest rotating seat 2, one end of the connecting plate 13 is fixedly connected with the surface of the armrest rotating seat 2, the other end of the connecting plate 13 is fixedly connected with the locking mechanism 15, the upper end of the arc-shaped positioning plate 14 is fixedly connected with the middle supporting column 16 of the armrest frame 6, and when the installation height of the armrest frame 6 is the lowest, the locking head 3 of the locking mechanism 15 can enter the lowest end positioning hole of the arc-shaped positioning plate 14. The rope drawn from the elevator mechanism is typically steel wire and is connected to the elevator handle 19 on the support post 16 of the armrest frame 6 to form an elevator wire rope 11.

As shown in fig. 2 and 4, the inside of the armrest rotary seat 2 includes a rotating mechanism and a locking mechanism 15, the rotating mechanism is disposed at a central position of the bottom surface of the armrest rotary seat 2, and includes a bearing sleeve disposed on the bottom surface, two bearings are disposed in the bearing sleeve, and the bearing selected in this embodiment is a deep groove ball bearing 9. The middle position of the bearing sleeve is provided with a proper bulge to separate the two deep groove ball bearings 9 one above the other, so that the mutual interference between the two bearings during rotation is avoided, and the rotation of the handrail rotating seat 2 is more flexible. The inner ring of the deep groove ball bearing 9 is sleeved on the step positioning shaft, and the upper end of the bearing sleeve is also provided with a gasket 8 and a shaft check ring 7 for fixing, so that the handrail rotary seat 2 and the rotary disk 18 cannot fall off.

Preferably, lubricating oil is coated between the deep groove ball bearings 9, the upper section and the lower section of the step positioning shaft are sealed, silt and water are prevented from entering the bearings, and the rotation performance of the deep groove ball bearings 9 is guaranteed.

The locking mechanism 15 is arranged on the left side of the handrail rotating seat 2, and the locking mechanism 15 comprises a mounting sleeve and a pull rope which are arranged on the handrail rotating seat 2. The upper end of the mounting sleeve is provided with the retaining bolt 5, a small hole is formed in the center line of the retaining bolt 5, the retaining bolt 5 is used for installing and replacing parts, the bolt can be screwed and unscrewed, and the operation is simple and easy. The bottom of the mounting sleeve is provided with a locking head 3, the lower end of the locking head 3 is tapered, the diameter of the locking head 3 is larger than that of a positioning hole in the rotating disk 18, a compression spring 4 is arranged between the retaining bolt 5 and the locking head 3, and the compression spring 4 is used for providing a downward force to tightly support the locking head 3 in the positioning hole of the rotating disk 18.

Preferably, a rubber column is provided at the upper end of the check bolt 5 to prevent the check bolt 5 from wearing the steering handle 10 and the steering wire rope 12.

As shown in fig. 4, in the rotating disk 18, in order to save materials and reduce the installation volume, the rotating disk 18 cuts the useless part of the periphery to a certain extent, the center of the rotating disk 18 is provided with a center hole, the center hole is fixedly connected with one end with a larger diameter of the stepped positioning shaft, a plurality of positioning holes are arranged around the rotating disk 18, the number of the positioning holes can be designed according to the actual situation, and the radius of the circumference distributed by the positioning holes is the distance from the center of the center hole to the center of the installation sleeve.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The steering handrail of the mulberry field management machine comprises a handrail base, a handrail rotating seat and a handrail frame, wherein the handrail rotating seat is positioned at the upper end of the handrail base, the handrail frame is hinged with the handrail rotating seat, the handrail frame is provided with a steering handle and a lifting handle, the steering handrail management machine is characterized by further comprising a locking mechanism, a rotating disk, a lifting adjusting mechanism and a rotating mechanism, the rotating mechanism comprises a bearing sleeve arranged at the center of the bottom surface of the handrail rotating seat, at least two bearings are horizontally arranged in the bearing sleeve, the locking mechanism comprises an installation sleeve arranged at the left side of the bearing sleeve, a stopping bolt is arranged at the upper end of the installation sleeve, a small hole is formed in the center of the stopping bolt, a locking head is arranged inside the installation sleeve, the locking head is of a hollow structure, the lower part of the locking head is conical, a compression spring is arranged inside the locking head, a pull rope is further arranged in the locking head, one end of the pull rope is connected with the bottom of the locking head, and the other end of the pull rope is led out from a small hole in the retaining bolt and connected with a steering handle on the armrest frame;

the center position of the rotating disk is provided with a center hole, a step positioning shaft is arranged in the center hole, one end with a large diameter of the step positioning shaft is fixed in the center hole, the rotating disk is also provided with at least 6 steering positioning holes, the steering positioning holes are uniformly distributed on a circumference which takes the center of the positioning shaft as the center of a circle and the distance from the center of the mounting sleeve to the center of the positioning shaft as the radius, a bearing inner ring in the rotating mechanism is sleeved on one end with a small diameter of the positioning shaft, and the upper end of the bearing sleeve is provided with a retaining ring for a shaft and a gasket;

the lifting adjusting mechanism comprises an arc-shaped positioning plate, a connecting plate and a locking mechanism, the locking mechanism in the locking mechanism and the armrest rotary seat is consistent, one end of the connecting plate is fixed at the right center of the rotary armrest seat, the other end of the connecting plate is fixedly connected with the locking mechanism, the arc-shaped positioning plate is provided with at least 4 round holes, the upper end of the arc-shaped positioning plate is fixedly connected with the armrest frame, and a pull rope led out from the inside of the locking mechanism is connected with a lifting handle on the armrest frame.

2. The steering handrail of a mulberry field management machine according to claim 1, wherein: the number of the bearings in the bearing sleeve is 2.

3. The steering handrail of a mulberry field management machine according to claim 2, wherein: the middle position of the bearing sleeve is provided with a convex block which separates the upper bearing from the lower bearing.

4. The steering handrail of a mulberry field management machine according to claim 1, wherein: the rubber strips are arranged on the peripheral side surfaces of the bottom of the handrail rotating seat, and the width of each rubber strip is larger than the connecting gap between the handrail rotating seat and the handrail base.

5. The steering handrail of a mulberry field management machine according to claim 1, wherein: and supporting ribs are arranged at the bottom of the connecting plate.

6. The steering handrail of a mulberry field management machine according to claim 1, wherein: the upper end of a retaining bolt in the locking mechanism is provided with an anti-abrasion rubber column, and the pull rope penetrates out of the rubber column.

7. The steering handrail of a mulberry field management machine according to claim 2, wherein: the bearing adopts a deep groove ball bearing.

8. The steering handrail of a mulberry field management machine according to claim 1, wherein: and end covers are further arranged at the upper end and the lower end of the bearing sleeve.