JP2018186782A - Riding-type seedling transplanting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a configuration that facilitates keeping a physical posture when a worker gets on/off from the front of a machine body at low cost.SOLUTION: A riding-type seedling transplanting machine 1 of the present invention includes: a traveling machine body 4; a cab unit 6 provided on the traveling machine body 4 and comprising a cab seat 13; a cab unit step 9 provided from the cab unit 6 to the front end of the traveling machine body 4; and a front step 10 provided so as to be positioned by one step lower than the tread of the cab unit step 9 in front of the cab unit step 9. Further, a handrail 11 is provided that is extended from the front end side of the traveling machine body 4 to the cab seat side. The front step 10 is configured so that a proximal end is mounted to the front end of the traveling machine body 4 and the tip is protruded forward. The handrail 11 is provided in which a lower end 11a in the front end side of the traveling machine body 4 is mounted to the tip side of the front step 10 and the upper end 11b in the cab seat side is mounted to the traveling machine body 4 directly or indirectly.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a riding seedling transplanter configured to be able to get on and off from the front of the aircraft.

  As a 1st background art concerning a riding type seedling transplanter, the riding type rice transplanter described in patent documents 1 is illustrated. This riding type rice transplanter includes a traveling vehicle body 100 that is self-propelled by a pair of left and right front wheels and a pair of left and right rear wheels. A driving unit 101 that outputs driving force to the front wheels and the rear wheels is provided at the front of the traveling vehicle body 100. A riding type driving unit 103 having a driving seat 102 is provided at the rear of the traveling vehicle body 100. The driving unit step 104 provided in the driving unit 103 includes a main step 105 and expansion steps 106 arranged on the left and right sides thereof. A front step 107 that is used when getting on and off the main step 105 from the front side of the traveling vehicle body 100 is provided at the end of the vehicle body ahead of the front end of the main step 105. The tread surface 107 a of the front step 107 is provided so as to be positioned one step lower than the upper surface of the driving unit step 104.

  As a 2nd background art concerning a riding type seedling transplanter, the seedling transplanter described in patent documents 2 is illustrated. This seedling transplanter includes a traveling vehicle body 200 having four wheels for traveling, and a pilot seat is installed in the traveling vehicle body 200. The seedling transplanter includes a floor step 201 provided on the traveling vehicle body 200 and an extension step 202 provided on the outside thereof, and a front step 203 is provided on the front side of the extension step 202. This seedling transplanter is also configured to be able to get on and off the cockpit from the front side of the traveling vehicle body, similarly to the riding type rice transplanter of Patent Document 1.

Japanese Patent Laid-Open No. 2006-77200 JP 2017-51121 A

  However, the front step 107 and the front step 203 are provided at the front end of the machine away from the wheels, which are the ground contact points of the machine, and the field during paddy field is filled with water and the ground is muddy. Therefore, in the transplanter according to the background art, when the operator tries to get on and off from the front of the machine while the front is stopped facing the row during the rice transplanting work, the traveling machine is easily shaken by its weight. Therefore, there is a problem that it is difficult for an operator to maintain a body posture and it is difficult to get on and off.

  Therefore, it is conceivable to newly provide a member for the worker to maintain his / her body posture. However, this increases the number of parts, and increases the labor for mounting during manufacturing, resulting in an increase in cost.

In order to solve the above problems, the riding seedling transplanter of the present invention is:
A traveling unit, a driving unit provided on the traveling unit including a driver's seat, a driving unit step provided from the driving unit to the front end of the traveling unit, and the driving unit in front of the driving unit step. A riding-type seedling transplanter equipped with a front step provided so as to be positioned one step lower than the tread of the part step,
A handrail extended from the front end side of the traveling machine body to the driver's seat side,
In the front step, a base end portion is attached to a front end portion of the traveling aircraft body, and a distal end portion projects forward,
In the handrail, a lower end portion on the front end side of the traveling aircraft body is attached to a front end side of the front step, and an upper end portion on the driver seat side is directly or indirectly attached to the traveling aircraft body.

  Although it does not specifically limit as an aspect attached to the said traveling body, The aspect attached to the member (The front part step is excluded. For example, a support | pillar) attached to the traveling body is illustrated.

According to this configuration, since the handrail is provided, it becomes easy for the operator to maintain the body posture when getting on and off from the front side of the traveling machine body. Furthermore, since the front step also serves as a pedestal for attaching the base end portion of the handrail, it is not necessary to prepare the pedestal separately, and an increase in cost can be suppressed.
Further, according to this configuration, the front end portion of the front step is configured to be connected to the traveling machine body or a member on the traveling machine body via the handrail, and the handrail is configured to be the front step. It also serves as a reinforcement. Therefore, it is not necessary to provide a separate reinforcing means in the front step, and an increase in cost can be suppressed.
In addition, when attaching the front step and the handrail to an existing riding seedling transplanter, it is only necessary to secure a mounting place between the base end portion of the front step and the upper end portion of the handrail, Rather than attaching the front step and the handrail separately, it can be attached more easily.

  According to the riding seedling transplanter according to the present invention, there is an excellent effect that a configuration that makes it easy for an operator to maintain a body posture when getting on and off from the front of the aircraft can be realized at low cost.

It is a photograph which shows the whole structure of the riding type seedling transplanter based on one Embodiment which actualized this invention. It is a principal part front view of the riding type seedling transplanter. It is a principal part side view of the riding type seedling transplanter. It is a bottom view which shows the attachment structure of the front step of the same type | mold seedling transplanter. It is a figure which shows background art, (a) is a top view which shows the riding type rice transplanter as 1st background art, (b) is a top view which shows the seedling transplanter as 2nd background art .

  1 to 4 show a riding seedling transplanter 1 according to an embodiment of the present invention. In each figure, an arrow F indicates the front side of the riding seedling transplanting machine 1.

  The seedling transplanter 1 includes a traveling machine body 4 that is self-propelled by a pair of left and right front wheels 2 and 2 and a pair of left and right rear wheels 3. A power unit 5 that drives the front wheels 2 and the rear wheels 3 is provided at the front of the traveling machine body 4. A riding-type driving unit 6 is provided at the rear of the traveling machine body 4. A seedling planting portion 7 is connected to the rear end portion of the traveling machine body 4 via a link mechanism (not shown). On the left and right outer sides of the power unit 5, a spare seedling mounting portion 8 for mounting the spare seedling is provided. Further, a driving unit step 9 is provided on the traveling machine body 4, and a front step used when getting on and off the driving unit step 9 from the front side of the traveling machine body 4 in front of the driving unit step 9. 10 is provided. A handrail 11 is extended from the front end side of the traveling machine body 4 to the driver seat side.

  The driving unit 6 is provided with driving means including a steering wheel 12 that steers the front wheels 2 and 2 and a driver seat 13 on which an operator who operates the steering wheel 12 is seated.

  The driving unit step 9 includes a main step 16 provided from the driving unit 6 to the front end portion of the traveling machine body on both sides of the power unit 5, and side steps 17 provided on the left and right sides thereof.

  The front step 10 is provided on both the left and right sides corresponding to the front of the main step 16 located on both the left and right sides of the power unit 5. Specifically, each front step 10 has a base end portion attached to the front end portion of the traveling machine body 4 by attachment means 15 (bolts in this example), a front end portion protruding forward, and a tread surface 10a. Is provided so as to be positioned one step lower than the tread surface 9a of the driving unit step 9. Further, the front step 10 is made of a plate material having an upper surface as a tread surface 10a, and the shape of the tread surface 10a is a substantially triangular shape having apexes on the left and right sides of the distal end portion and the base end portion in plan view, The tip portion is formed in a shape projecting outward in the left-right direction from the base end portion.

  The handrail 11 has a lower end portion 11a on the front end side of the traveling machine body 4 attached to the front end side of the front step 10, and an upper end portion 11b on the driver's seat side on the front side of the driving unit 6 and on the power unit of the traveling machine body 4. It is attached to the support | pillar 18 standingly arranged by the side. In this example, the lower end portion 11a of the handrail 11 is fitted into a hole provided at the front end portion of the front step 10, and is attached by welding. In this example, the upper end portion 11b of the handrail 11 is fixed to the mounting member 19 by welding with a mounting means 21 (bolts and nuts in this example) with respect to the mounted member 20 welded to the support column 18. ing.

According to the riding seedling transplanter 1 of the present example configured as described above, since the handrail 11 is provided, it becomes easy for the operator to maintain the body posture when getting on and off from the front side of the traveling machine body 4. . Furthermore, since the front step 10 also serves as a pedestal for attaching the base end of the handrail 11 to the traveling machine body 4, it is not necessary to prepare the pedestal separately, and an increase in cost can be suppressed.
Moreover, according to this structure, it is comprised so that the front-end | tip part of the front step 10 may be connected with the support | pillar 18 on the traveling body 4 via the handrail 11, and the handrail 11 reinforces the front step 10. It also serves as a role. Therefore, it is not necessary to provide a separate reinforcing means in the front step 10, and an increase in cost can be suppressed.
Moreover, what is necessary is just to ensure the attachment place of the base end part of the front step 10 and the upper end part 11b of the handrail 11 when attaching the front part step 10 and the handrail 11 with respect to the existing riding type seedling transplanter. The front step 10 and the handrail 11 can be attached more easily than individually.

In addition, this invention is not limited to the said embodiment, For example, it can also be suitably changed and embodied as follows, for example in the range which does not deviate from the meaning of invention.
(1) Change the attachment position of the front step 10 as appropriate.
(2) Change the shape of the front step 10 as appropriate. For example, it may be formed in a rectangular shape having apexes on both the left and right sides of the distal end and the left and right sides of the proximal end.
(3) Change the mounting location of the upper end portion 11b of the handrail 11 as appropriate.

DESCRIPTION OF SYMBOLS 1 Riding seedling transplanter 2 Front wheel 3 Rear wheel 4 Traveling machine body 5 Power part 6 Operation part 7 Seedling planting part 8 Preliminary seedling mounting part 9 Operation part step 9a Tread surface 10 Front part step 10a Tread surface 11 Handrail 11a Lower end part 11b Upper end part 12 Steering wheel 13 Driver's seat 15 Mounting means 16 Main step 17 Side step 18 Post 19 Mounting member 20 Mounted member 21 Mounting means F Front side of the machine body

Claims (1)

A traveling unit, a driving unit provided on the traveling unit including a driver's seat, a driving unit step provided from the driving unit to the front end of the traveling unit, and the driving unit in front of the driving unit step. A riding-type seedling transplanter equipped with a front step provided so as to be positioned one step lower than the tread of the part step,
A handrail extended from the front end side of the traveling machine body to the driver's seat side,
In the front step, a base end portion is attached to a front end portion of the traveling aircraft body, and a distal end portion projects forward,
The handrail is a riding type in which a lower end portion on the front end side of the traveling body is attached to a front end side of the front step, and an upper end portion on the driver's seat side is directly or indirectly attached to the traveling body. Seedling transplanter.