KR20190058155A - Eco - friendly passenger - manure interceptors and mowers - Google Patents

Abstract

The present invention relates to a pincher and a grass cutter attached to an eco-friendly passenger control apparatus, which provide the effect of guaranteeing safety because an input shaft bevel gear and an output shaft bevel gear geared with the input shaft bevel gear are prevented from being damaged when a driving power of a driving rotational shaft (PTO) of an agricultural machine such as a tractor is blocked, and significantly improving work efficiency of a worker because an upper rotating body and a lower rotating body which can be composed of a pulley can be conveniently replaced and repaired.

Description

{Eco - friendly passenger - manure interceptors and mowers}

In the present invention, safety of the output shaft bevel gear and the output shaft bevel gear meshed with the input shaft bevel gear and the input shaft bevel gear is not compromised when the power rotation shaft (PTO) of the agricultural machinery such as a tractor is cut off, The present invention relates to an eco-friendly passenger-manoeuver attachment device and a mower, which can easily replace and repair the upper and lower rotors.

Generally, the passenger control unit is a small-sized multi-purpose agricultural machine capable of driving operation while the operator is on board the passenger by 20 horsepower or less, and can be operated by a driver such as an excavator, boom sprayer, fertilizer spreader, rotary, It is possible to carry out various farming work by attaching a working machine.

These passenger management systems will be selected as aged and women farmers friendly agricultural machinery and will be expanded and distributed to the Ministry of Agriculture, Forestry and Fisheries support policy. Research and development of auxiliary machinery necessary for passenger management is in the early stage and the market is the entry stage.

In particular, to increase the growth of field crops, the frequency of use is higher than that of other working machines from late April to early November, and appliances for attachment of passenger control devices such as potatoes and sweet potatoes, such as fruit weeding and underground crops, It is an important technology for removing and attaching a work machine attached to a passenger control device as presented in the technology roadmap for SMEs in 2016, which was published by the Korea Information Technology Agency (KISA). In recent years, it has been used for weeding and germination, fertilizer and herbicide spraying A weed control device for a passenger control device has been proposed as a registered trademark of the Korean Utility Model Registration No. 0127016.

However, in the case of the domestic registered utility model registration number 0127016, the input shaft is rotated by the rotational power of the power rotation shaft (PTO) of the agricultural machinery such as a tractor. When power of the power rotation shaft (PTO) There is a problem that the bevel gear coupled to the end portion is likely to be damaged as the bevel gear is rotated by the inertial force.

Domestic registration utility model registration number room 0127016

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a power transmission apparatus and a method of controlling the same, The present invention also provides an eco-friendly ride controller for attaching an eco-friendly ride control device, which can easily replace and repair the upper and lower rotors, which can be made of a pulley or the like, .

To achieve the above object, according to the present invention, there is provided an agricultural machine comprising: an input shaft installed at the back of an agricultural machine and rotated by a rotational power of a power rotation shaft (PTO) of an agricultural machine; An output shaft which rotates by receiving a rotational force from the input shaft and rotates a blade rotating shaft having a blade at a predetermined interval on an outer circumferential surface thereof; An input shaft bevel gear coupled to a rear side of the input shaft and an output shaft bevel gear coupled to the other side of the output shaft to be engaged with the input shaft bevel gear, And a one-way clutch is provided between the input shaft and the input shaft bevel gear.

Here, the one-way clutch includes: a key groove formed at equal intervals on an outer circumferential surface of the input shaft; An engaging protrusion inserted into the key groove; An elastic member inserted into the key groove in a state of elastically supporting the locking piece; And an engaging groove formed on an inner circumferential surface of the input shaft bevel gear and engaging and fixing the engaging projection.

In addition, it is preferable that a stepped portion is formed on the lower side of the lower part of the locking hole, and the elastic member is inserted into the key groove in a state of being located at the stepped portion, and is made of a leaf spring for elastically supporting the other side of the lower portion of the locking hole.

A lower rotating body coupled to one side of the rotating shaft of the blade so as to be positioned in a lower direction of the upper rotating body; and a lower rotating body coupled to the upper rotating body and the lower rotating body, And a side gear box for transmitting the rotational force of the output shaft to the rotary shaft of the blades. The side gear box is inserted into the inner side of the upper rotor and the inner side of the lower rotor of the side gear box, A fixed ring having an inclined surface that is inclined inward toward the other side, a plurality of fastening holes formed at equal intervals in the outer direction of the inclined surface, and a cut portion formed at the rear side; A fixing flange portion inserted into the fixing ring and having an inclined surface inclined inwardly from one side to the other side of the outer circumferential surface, a plurality of through holes being formed at equal intervals on one side, and a cut portion formed on the rear side; And a fastening member penetrating through the plurality of through holes of the fixing flange portion and fastened and fixed to the fastening holes of the fastening ring.

In the present invention, when the power of a power rotation shaft (PTO) of an agricultural machine such as a tractor is cut off, the input shaft bevel gear can idle by an inertial force due to a one-way clutch provided between an input shaft and an input shaft bevel gear, The output shaft bevel gear meshed with the input shaft bevel gear and the input shaft bevel gear is not damaged when the power of the power rotation shaft PTO of the power shaft PTO is interrupted.

In addition, a stationary ring, a stationary flange, and an upper rotatable member, which can be made of a pulley or the like through a fastening member, can be made of a pulley of a side gear box or the like and are detachably provided inside the upper and lower rotors, And the lower rotating body can be easily replaced and repaired, thereby improving the working efficiency of the operator.

Fig. 1 is a perspective view schematically showing an eco-friendly passenger-landing adherend and a lawnmower, which is an embodiment of the present invention,
2 is a partially perspective view schematically showing an input shaft, an output shaft, and a blade rotation shaft,
3 is a partially enlarged perspective view of an enlarged one-way clutch,
4 is a sectional view taken along the line A-A in Fig. 3,
5 is a cross-sectional view schematically showing a state in which the input shaft bevel gear is rotated together with the input shaft,
6 is a cross-sectional view schematically showing a state in which the input shaft bevel gear idles,
7 is a partially cutaway perspective view of a state in which the stationary ring, the fixed flange portion and the fastening member are separated from the side gear box,
8 is a partially sectional view taken along the line B-B in Fig. 7,
Figs. 9 to 11 are partial cross-sectional views sequentially showing the joining process of the fixing ring, the fixing flange portion, and the fastening member.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. It is to be understood that the scope of the present invention is not limited to the following embodiments, and various modifications may be made by those skilled in the art without departing from the technical scope of the present invention.

2 is a perspective view schematically showing an input shaft, an output shaft, and a blade rotation shaft, and Fig. 3 is a partially enlarged view of an enlarged portion of a one-way clutch. Fig. Is an enlarged perspective view.

As shown in Figs. 1 to 3, the eco-friendly passenger-maneuver attaching machine and lawn mower, which is an embodiment of the present invention, includes an input shaft 10 installed at the rear of an agricultural machine and rotated by a rotational power of a power rotation shaft (PTO) ; An output shaft 20 for rotating a blade rotary shaft 11 having a blade 111 for a weaving at a predetermined interval on its outer circumferential surface by receiving a rotational force from the input shaft 10; An input shaft bevel gear 310 coupled to the rear side opposite to the front side of the input shaft 10 and an output shaft bevel gear 310 coupled to the other side opposite to the one side of the output shaft 20, And a gear box (30) having a plurality of gears (320).

The input shaft 10, the output shaft 20, and the gear box 30 are well known in the registered trademark utility model registration No. 0127016, and a detailed description thereof will be omitted.

4 is a cross-sectional view taken along the line A-A in Fig.

3 and 4, a one-way clutch 40 is provided between the input shaft 10 and the input shaft bevel gear 310 in the present invention.

4, the one-way clutch 40 may include a key groove 410, a locking stone piece 420, an elastic member 430, and an engaging groove 440.

The keyway 410 may be formed at equal intervals on the outer circumferential surface of the rear side of the input shaft 10 in a state of being recessed to a predetermined depth inside the input shaft 10.

The stopper piece 420 may be inserted into the key groove 410, respectively.

The elastic member 430 may be inserted into the key groove 410 while elastically supporting the opposite side of the lower side of the locking projection 420 in the direction of the other side of the locking projection 420.

The engaging grooves 440 may be formed on the inner circumferential surface of the input shaft bevel gear 310 at equal intervals.

The elastic member 430 is lifted by the elastic force and can be detachably fixed in the retaining groove 440 at the other side of the retaining piece 420. [

In order to allow the other side of the locking projection 420 to be more easily raised by the elastic member 430 so as to be releasably retained in the locking projection 440, And the elastic member 430 may be positioned in the stepped portion 421. The stepped portion 421 is formed on the lower side opposite to the stepped portion 421,

The stepped portion 421 may be formed in a stepped groove that is formed at a predetermined depth in the upper direction of the stopper piece 420 from the other side of the bottom of the stopper piece 420.

The elastic member 430 may be of various types and may be inserted into the key groove 410 in a state where the elastic member 430 is positioned within the stepped portion 421, And a plate spring for supporting the plate spring.

5 is a cross-sectional view schematically showing a state in which an input shaft bevel gear is rotated together with an input shaft.

When the input shaft 10 is rotated in the normal direction as shown in FIG. 5 by the rotational power of the power rotation shaft (PTO) of the agricultural machinery such as a tractor, the input shaft bevel gear 310 is also rotated in the forward direction along the input shaft 10 Can be rotated.

6 is a cross-sectional view schematically showing a state in which the input shaft bevel gear is idling.

When the rotation of the power shaft PTO of the agricultural machinery such as a tractor is interrupted and the rotation of the input shaft 10 in the forward direction is stopped, the input shaft bevel gear 310 is rotated by the one- The input shaft bevel gear 310 and the input shaft bevel gear 310 (see FIG. 3) are turned off when the power rotation shaft PTO of the agricultural machinery such as a tractor is shut off, So that the safety of the output bevel gear 320 can be secured.

During the idle rotation of the input shaft bevel gear 310 for a certain number of times in the forward direction, the elastic member 430 may be moved up and down by the elastic force on the other side of the stopper piece 420.

FIG. 7 is a partially cutaway perspective view schematically showing a state in which the fixed ring, the fixed flange and the fastening member are separated from the side gear box, and FIG. 8 is a partially cutaway sectional view taken along line B - B of FIG.

Next, as shown in FIG. 7, a side gear box 50 for transmitting the rotational force of the output shaft 20 to the blade rotating shaft 11 may be provided.

The side gear box 50 may include a gear box body 510, an upper rotating body 520, a lower rotating body 530, and a sheave member 540.

One side of the output shaft 20 and one side of the blade rotating shaft 11 may be introduced to the inside and the lower inside of the gearbox body 510 at a predetermined length.

The upper rotating body 520 may be provided inside the upper portion of the gearbox body 510 while being coupled to one side of the output shaft 20.

The lower rotating body 530 may be provided on the lower side of the gear box body 510 in a state of being coupled to one side of the blade rotating shaft 11 so as to be positioned below the upper rotating body 520.

The upper and lower portions of the hoisting member 540 may be respectively wound on the upper outer surface of the upper rotating body 520 and the lower outer surface of the lower rotating body 530, respectively.

The upper rotating body 520 and the lower rotating body 530 may be of various types such as a pulley and a sprocket. The winding member 540 may be various types such as a belt wound on a pulley and a chain wound on a sprocket .

In order to improve the work efficiency of the operator by allowing the operator to easily replace and repair the upper and lower rotors 520 and 530, which can be made of various types such as pulleys and sprockets, 8, a stationary ring 60, a stationary flange portion 70, and a fastening member 80 may be provided.

Figs. 9 to 11 are partial cross-sectional views sequentially showing the joining process of the fixing ring, the fixing flange portion, and the fastening member.

9, the stationary ring 60 may be removably inserted into the inner side of the upper rotating body 520 and the inner side of the lower rotating body 530 of the side gear box 50, respectively.

An inclined surface 610 may be formed on the inner circumferential surface of the stationary ring 60.

The inclined surface 610 may be inclined toward the inside of the fixing ring 60 from one side of the fixing ring 60 toward the other side.

As shown in FIGS. 7 and 9, a plurality of fastening holes 620 may be formed at equal intervals on the edge of the stationary ring 60 so as to be positioned on the outer side of the slant surface 610.

As shown in FIG. 7, a cut-out portion 630 may be formed on the rear side opposite to the front side of the stationary ring 60 so as to extend leftward and rightward from the one side of the stationary ring 60 by a predetermined length.

The fixing flange portion 70 includes an insertion body 710; And a flange 720 formed on one side of the insertion body 710.

A cutout portion 730 communicating with the cutout portion 630 of the fixation ring 60 is formed on the rear side of the insertion body 710 and the rear side of the flange 720 in the cutout portion 630 of the fixation ring 60, As shown in FIG.

The insertion body 710 may be formed to be finer than the inner diameter of the fixing ring 60.

An inclined surface 711 may be formed on the outer circumferential surface of the insertion body 710.

The inclined surface 711 may be inclined toward the inside of the insertion body 710 from one side of the insertion body 710 toward the other side.

The insertion body 710 may be removably inserted into the fixing ring 60 as shown in FIG.

During the process in which the insertion body 710 is removably inserted into the fixing ring 60, the fixing ring 60 is rotated in the direction of the inner peripheral surface of the upper rotating body 520 and the inner peripheral surface of the lower rotating body 530 It can be closely fixed to the inner circumferential surface of the upper rotating body 520 and the inner circumferential surface of the lower rotating body 530 as shown in FIG.

11, the insertion body 710 may be closely fixed to the outer circumferential surface of the output shaft 20 and the outer circumferential surface of the blade rotation shaft 11, as shown in FIG. 11, while being gradually clogged inward of the insertion body 710 have.

A plurality of through holes 721 may be formed at regular intervals in the flange 720 formed at one side of the insertion body 710.

The fastening member 80 has a plurality of through holes 721 of the fastening flange portion 70 horizontally and is fastened to a plurality of fastening holes 620 of the fastening ring 60 in a detachably threaded manner, ≪ / RTI >

10; Input shaft, 20; Output shaft,
30; Gear box, 40; One way clutch.

Claims (4)

An input shaft provided behind the agricultural machine and rotated by a rotational power of a power rotation shaft (PTO) of an agricultural machine; An output shaft which rotates by receiving a rotational force from the input shaft and rotates a blade rotating shaft having a blade at a predetermined interval on an outer circumferential surface thereof; An input shaft bevel gear coupled to a rear side of the input shaft and an output shaft bevel gear coupled to the other side of the output shaft so as to engage with the input shaft bevel gear,
And a one-way clutch is provided between the input shaft and the input shaft bevel gear.
The method according to claim 1,
Wherein the one-way clutch includes: a key groove formed at equal intervals on an outer peripheral surface of the input shaft;
An engaging protrusion inserted into the key groove;
An elastic member inserted into the key groove in a state of elastically supporting the locking piece;
And an engaging groove formed on an inner circumferential surface of the input shaft bevel gear for engaging and fixing the stumbling block.
3. The method of claim 2,
A stepped portion is formed on the other side of the lower portion of the engaging hole,
Wherein the elastic member comprises a plate spring inserted into the key groove in a state where the elastic member is located at the stepped portion and elastically supporting the other side of the lower portion of the locking hole.
The method according to claim 1,
An upper rotating body coupled to one side of the output shaft; a lower rotating body coupled to one side of the blade rotating shaft so as to be positioned in a lower direction of the upper rotating body; And a side gear box which is constituted by a winding member to be wound and which transmits the rotational force of the output shaft to the blade rotation shaft,
Wherein a plurality of fastening holes are formed at equal intervals in the outer direction of the inclined surface, and the plurality of fastening holes are formed at equal intervals in the outer direction of the inclined surface A stationary ring having an incision formed on its rear side;
A fixing flange portion inserted into the fixing ring and having an inclined surface inclined inwardly from one side to the other side of the outer circumferential surface, a plurality of through holes being formed at equal intervals on one side, and a cut portion formed on the rear side;
And a fastening member passing through the plurality of through holes of the fixing flange portion and fastened to the fastening holes of the stationary ring.

Images