CN205040228U - Walking type rice transplanter - Google Patents

Abstract

The utility model provides a walking rice transplanter. The planting rows (a1, a2) are set such that the distance between the planting rows (a1) at the central position in the left-right direction is larger than the distance between the planting rows (a2) at the end sides in the left-right direction, so that A pair of left and right dividing platform parts (50R, 50L) of the seedling loading part (50a) are connected as a whole by the flange-shaped connecting pieces (51) provided at the connecting parts of each dividing platform part (50R, 50L). Within the range of the distance in the left-right direction between the planting rows (a1) located at the central position, a connecting portion between the connecting pieces (51) is set.

Description

walking rice transplanter

technical field

The utility model relates to a walk-type rice transplanter, which is equipped with: a seedling-carrying platform, the seedling-carrying platform is equipped with a plurality of seedling-carrying parts along the left and right directions; a seedling planting mechanism, and the seedling planting mechanism has a The corresponding planting claws of each seedling-carrying part of the platform; and the operating handle, which is located at a rear position compared with the seedling-carrying platform and the seedling planting mechanism and extends toward the rear side.

Background technique

For the walking type rice transplanter in the prior art, it is equipped with a seedling planting mechanism on the rear side of its body, and the seedling planting mechanism has a seedling loading platform equipped with a plurality of seedling loading parts along the left and right directions; and planting claws , the planting claws take out the seedlings from each seedling-carrying part and plant them on the farmland. In addition, the length in the left-right direction of this seedling loading part and the distance between planting rows of the seedlings determined by the seedling planting mechanism are the same (refer patent document 1).

Patent Document 1: Japanese Patent Laid-Open No. 2010-94040 (paragraph 0024, paragraph 0025, FIG. 2 and FIG. 3 )

Utility model content

According to the structure disclosed in Patent Document 1, the distances between rows of seedling planting determined by the seedling planting mechanism are all the same. Therefore, if the distance between the planting rows is to be slightly narrowed to increase the number of seedlings to be planted in the farmland as a whole, the operator holding the control handle and walking on the farmland has to walk between the narrowed planting rows, and there is no The state of the seedlings may be damaged. This problem needs to be improved.

The utility model provides a walk-type rice transplanter as follows: the distance between the planting rows at the central position is larger than the distance between the planting rows at the left and right ends; It is easy to walk, and in order to widen the planting rows located in the center, when the left and right pair of dividing platform parts are connected to form a seedling loading platform, the connection between the dividing platform parts It becomes easy to maintain the strength at the specified value.

The walk-type rice transplanter described in the utility model is characterized in that it has: a seedling-carrying platform, the seedling-carrying platform is equipped with a plurality of seedling-carrying parts along the left and right directions; a seedling planting mechanism, and the seedling planting mechanism has a The planting claws corresponding to each seedling-carrying part of the seedling-carrying platform; and the operating handle, which is located at a position that is far behind compared with the seedling-carrying platform and the seedling planting mechanism and extends toward the rear side, The distance between the planting rows is equivalent to the distance between two adjacent planting claws in the left and right direction and is set such that the distance between the planting rows located in the central position in the left and right direction is greater than the distance between the planting rows located in the left and right direction. The distance between the planting rows on the upper end side is large, and the seedling-carrying platform has a pair of left and right dividing platform parts of the seedling-carrying part, and the flange-shaped connecting piece provided at the connecting part of each dividing platform part They are connected as a whole, and within the range of the distance in the left-right direction between the planting rows located at the central position, a connection site between the connecting pieces is set.

According to the present invention, the distance between the planting rows located at the central position in the left-right direction among the planting rows is set larger than the distance between the planting rows located at the end side in the left-right direction. As a result, even if the distance between the planting rows other than the centrally located planting rows becomes smaller, the distance between the centrally located planting rows can be kept relatively large to form a wider row spacing, thereby making it easier to hold Walking becomes easier for the operator with the joystick extended to the rear side.

In addition, the left and right pair of dividing platform parts are connected as a whole through the flange-shaped connecting piece provided at the connecting part of each dividing platform part, and the distance range in the left and right direction between the planting rows at the central position is set to a certain extent. The connecting part between the two connecting pieces. Thus, even if each seedling-carrying part has the same length in the left-right direction, since the connecting portion between each adjacent division platform part is provided with a flange-shaped connecting piece, the planting rows located in the center will The distance in the left-right direction is larger than the distance in the left-right direction between the planting rows located on the end side in the left-right direction.

Therefore, the divided table parts on the left and right sides are integrally connected by the flange-shaped connecting pieces, so that the connection strength between the divided table parts on the left and right sides can be maintained at a predetermined strength.

In the present invention, preferably, the connecting pieces are arranged on the left and right sides of each dividing table part.

With the above structure, for example, each dividing table part can be configured with common components, and both left and right sides can be configured with the same dividing table parts, thereby reducing the number of components and reducing the cost.

In the present invention, it is preferable that the connecting pieces positioned at the central side in the left-right direction of each of the division table parts are joined in a state of being overlapped in the left-right direction.

By having the above structure, the overlap between the two flange-shaped connecting pieces can avoid the occurrence of a gap at the connecting portion between the two dividing table portions. Thereby, compared with the structure in which the gap exists in the connection part between both dividing table parts, it can prevent that the earth splashes from the front side to the rear side easily.

In the present utility model, preferably, on the back side of the side of the left and right dividing table parts, on which the side of the seedling loading part is formed, a connecting part is erected across the dividing table parts on the left and right sides, and is located in the same position as the The connecting piece at a portion where the connecting members overlap is connected to the connecting member.

With the above structure, the connection piece of each divided table part is connected to the connecting member straddling the left and right divided table parts, so that the connection between the left and right divided table parts becomes stronger.

In the present invention, preferably, the length of the connecting member in the left-right direction corresponds to the full length of the seedling-carrying platform in the left-right direction, and in the center of the connecting member in the left-right direction of the seedling-carrying platform The position of the central part and the positions of both ends in the left-right direction are respectively formed with overlapping installation surfaces overlapping with the connecting piece, and the length ratio of the overlapping installation surface at the central position in the left-right direction is located at the two ends. The coincident mounting surface of the position is longer in the left-right direction.

With the above-mentioned structure, the length in the left-right direction of the superimposed mounting surface at the central position at the connecting portion of the divided table portions on the left and right sides is set to be longer than the length in the left-right direction of the superimposed mounting surfaces at both ends. It is long, so it is easy to securely install the dividing table parts on the left and right sides.

In this utility model, it is preferable that the length of each said seedling loading part in the left-right direction is set to be the same.

By having the above-mentioned structure, it is possible to configure a walk-type rice transplanter by using a common seedling planting mechanism, which means that all the seedling loading parts are transported and driven by a single transverse transport mechanism, and the seedlings are transported sideways. segmentation.

Preferably in the present invention, the seedling loading platform can carry seedlings for 6 rows.

By having this structure, the walking-type rice transplanter for planting in 6 rows can be obtained.

Preferably in the present invention, the seedling loading platform can carry seedlings for four rows.

By having this structure, the walking-type rice transplanter for 4 row planting can be obtained.

Description of drawings

Fig. 1 is an overall side view showing the walking rice transplanter.

Fig. 2 is a plan view showing the walking rice transplanter.

Fig. 3 is a side view showing the seedling planting device.

Fig. 4 is a front view showing a seedling loading stand.

FIG. 5 is a sectional view showing a line V-V in FIG. 6 .

Fig. 6 is a front view showing a connection site between two divided table parts.

FIG. 7 is a cross-sectional view showing a portion indicated by an arrow along line VII-VII in FIG. 6 .

It is a front view which shows the seedling loading stand of another embodiment.

Explanation of reference signs

6: Control handle; 40: Seedling planting mechanism; 43: Planting claw; 50: Seedling loading platform; 50a: Seedling loading part; 52a: overlapping installation surface; a1: between planting rows; a2: between planting rows; w1: length in the left-right direction; c1: length in the left-right direction.

detailed description

Hereinafter, an example of embodiment of the present invention will be described with reference to the accompanying drawings.

The front-rear direction and the left-right direction in the description of this embodiment are defined as follows unless otherwise specified. When the walk-type rice transplanter of the present utility model is working and traveling, the traveling direction (referring to the arrow F of Fig. 2 ) of the advancing direction side is "front"; "; the direction corresponding to the right side when taking the forward posture on the front-back direction as a benchmark (refer to the arrow R in Fig. 2) is "right"; and the left side when taking the forward posture on the front-back direction as a benchmark The direction corresponding to the side (see arrow L in FIG. 2 ) is "left".

(the whole frame)

The overall structure of the walking rice transplanter will be described.

As shown in FIGS. 1 and 2 , a gearbox 1 is provided at the left and right center of the front of the body, and an engine 3 is mounted and supported on an engine support stand 2 connected to the front of the gearbox 1 . A tubular body frame 4 connected to the rear of the gearbox 1 extends rearward, and a seedling planting device 5 and an operating handle 6 are connected to the rear of the body frame 4 . The joystick 6 is arrange|positioned so that the centerline CL1 in the left-right direction of a traveling body may maintain equal distances on both sides, respectively.

As shown in Fig. 1, Fig. 2 and Fig. 3, the tubular right (left) wheel drive case 7 is supported so as to be able to freely move up and down around the transverse axis P1 in the left and right direction of the right (left) portion of the transmission case 1. Swing and extend backwards. A wheel 8 is rotatably supported on each rear end portion 7 c of the wheel drive case 7 on both left and right sides. A central floating body 9 is supported along the front-to-back direction at the center of the lower part of the body in the left-right direction, and a right side floating body 10 and a left side floating body 10 are provided on the left and right sides of the central floating body 9 .

The power of the engine 3 is transmitted to the speed change mechanism (not shown) in the gearbox 1 through the transmission belt 12 for output, and the power output from the gearbox 1 passes through the transmission shaft (not shown) in the wheel drive box 7 on the right side and the left side. shown), transmitted to the right and left wheels 8. The power output from the gearbox 1 is also transmitted to the seedling planting device 5 through the transmission shaft provided inside the body frame 4 .

(seedling planting device)

Next, the seedling planting device 5 will be described in detail.

As shown in Figures 2 to 4, the seedling planting device 5 has: a seedling-carrying platform 50, the seedling-carrying platform 50 has 6 seedling-carrying parts 50a that can carry blanket-shaped seedlings; and 6 seedling planting mechanisms 40, the seedling planting mechanism 40 The seedlings placed in each seedling loading section 50a are taken out from the seedling loading table 50 by a predetermined amount in batches, and planted in the field. This seedling planting device 5 is 6 row planting formulas.

The seedling planting apparatus 5 is provided with the supply box 11 arrange|positioned at the center position in the left-right direction and above the center floating body 9. As shown in FIG. The power from the transmission shaft in the body frame 4 is transmitted to the transmission mechanism (not shown) in the supply box 11 .

The power transmitted to the supply box 11 is distributed and supplied to: the lateral conveying mechanism 20 that drives the seedling loading platform 50 back and forth in the left and right directions; and carries out longitudinal conveying of each blanket-shaped seedling placed on the seedling loading portion 50a in a predetermined amount. and the seedling planting mechanism 40 that drives the planting claws 43 .

As shown in FIG. 2 , the lateral conveyance mechanism 20 includes lateral conveyance operation levers 21 protruding from the supply box 11 to both left and right sides. Both ends of the horizontal transport operation lever 21 are connected to both ends of the seedling loading platform 50 in a manner capable of relative rotation only, and as the horizontal transport operation lever 21 moves relative to the supply box 11 in the left-right direction, The seedling stand 50 can reciprocate in the same direction as the direction in which the lateral transport operation lever 21 moves.

Furthermore, the transverse feed operation lever 21 is driven to rotate only at a predetermined angle every time it reaches the end of the reciprocating movement range. The rotational movement of the lateral conveying operating rod 21 is transmitted to the longitudinal conveying mechanism 30 through the linkage rod 22 shown in FIG. 1 .

The longitudinal conveying mechanism 30 is provided with a longitudinal conveying belt 31, and the longitudinal conveying belt 31 is located at the lower part of each seedling loading part 50a, and the longitudinal conveying belt 31 is arranged so as to abut against the lower surface of the blanket-shaped seedling. For the longitudinal conveyor belt 31, the push-pull action of the linkage rod 22 linked with the rotation of the horizontal conveying operating lever 21 is only rotated at a predetermined angle through the longitudinal conveying drive shaft 32, so that the blanket-like seedlings are The predetermined amount of vertical transport moves to the side of the seedling-taking port 50b below the seedling loading platform 50 .

The seedling planting mechanism 40 is provided with the planting arm 42 to which the planting claw 43 for dividing the blanket-shaped seedling which is mounted on the seedling loading part 50a is attached. The planting arm 42 is arranged on the left and right sides of the bottom of the planting box (not shown) at the center, the left and right sides of the bottom of the planting box 41 on the left side, and the left and right sides of the bottom of the planting box 41 on the right side, and the driving force From the supply box 11 passes to the planter box in the center and to the planter boxes 41 on the left and right.

As shown in Figure 3, for each planting arm 42, the front end of the planting claw 43 draws a track r1 and moves. The seedlings are divided and taken out while rotating back and forth between them and buried on the surface of the farmland.

In addition, as shown in FIG. 4 , among the arrangement intervals (equivalent to between planting rows) a1 and a2 between the planting claws 43 in the left-right direction, the two planting claws 43 at the central position in the left-right direction The arrangement interval a1 between them is set to about 30 cm, and the arrangement interval a2 between the two planting claws 43 which are closer to both ends in the left-right direction than that is set to about 25 cm.

In other words, the arrangement interval a1 between the planting claws 43 located in the center is set to be larger than the arrangement interval a2 between the planting claws 43 located on both ends in the left-right direction.

(Zai Miao Terrace)

As shown in FIG. 4 , with respect to the seedling loading platform 50 , the left and right dividing table parts 50L provided with the three seedling loading parts 50 a are arranged in the left-right direction. The upper central part is connected, and six seedling loading parts 50a are arranged in the left-right direction. Length c1 of each seedling loading part 50a in the left-right direction is the same.

Each of the dividing table parts 50R, 50L has flange-shaped connecting pieces 51 at both ends in the left-right direction, and among the connecting pieces 51 at both ends, the connecting piece 51 located on the central side in the left-right direction are connected in a partially overlapping manner.

In this way, the dividing stand parts 50R and 50L on both sides are left-right symmetrical with respect to the center line CL2 in the left-right direction of the seedling loading stand 50 as a boundary line. The seedling loading platform 50 is provided on a slide rail 55 so as to be relatively slidable in the left-right direction, and the slide rail 55 is attached to a fixed portion of the seedling planting device 5 in a position-fixed state.

As shown in FIGS. 4 to 7 , the connection pieces 51 located at the center side in the left-right direction of each of the divided table portions 50R, 50L have portions overlapping each other in the left-right direction except for a part on the lower end side. A part of the connecting piece 51 in the overlapping portion is formed thinner.

In other words, as shown in FIG. 7 , the end portion of the connection piece 51 on the central side of the right dividing table portion 50R is provided with a lower overlapping piece 51b located below the overlapping portion. The end portion of the central side connection piece 51 of the left divided table portion 50L is provided with an upper overlapping piece 51 a located above the overlapping portion.

When the lower overlapping sheet 51b is overlapped with the upper overlapping sheet 51a, the lower overlapping sheet 51b and the upper overlapping sheet 51a are overlapped in order to make the thickness of the overlapping portion substantially the same as the thickness of the connecting sheet 51 other than the overlapping portion. The thickness is set to about 1/2 of the thickness of other parts.

On the back side (back side) of the seedling loading stand 50, the plate-shaped connection member 52 straddling division stand part 50R, 50L of both left and right sides is bridged. The length in the left-right direction of the connection member 52 is slightly longer than the length in the left-right direction corresponding to the full length of the seedling loading platform 50 in the left-right direction. The connection piece 51 located at a position overlapping with the connection member 52 is connected to the connection member 52 by a connection rivet 53 .

As shown in FIG. 5, this connection member 52 has the overlapping mounting surface 52a which abuts on the back side of the seedling loading platform 50, and the mounting piece part 52b extended rearward in the direction which intersects with this overlapping mounting surface 52a. A slide metal fitting 54 is attached to this attachment piece portion 52b via a fastening bolt 54a. The sliding metal fitting 54 is slidably fitted to the upper portion of the sliding rail 55 and is capable of sliding relative to the sliding rail 55 . Thereby, the lower part of the seedling loading stand 50 is supported by the slide rail 55 whose position was fixed by the slide metal fitting 54 so that reciprocation is possible in the left-right direction.

As shown in FIG. 4 , in the connection member 52 , overlapping mounting surfaces 52 a overlapping with the connection pieces 51 are formed at the center position in the left-right direction of the seedling loading platform 50 and both end positions in the left-right direction. In addition, the length w1 in the left-right direction of the overlapping mounting surface 52a located at the central portion is longer than the length w2 in the lateral direction of the overlapping mounting surface 52a located at both ends.

The connection piece 51 at the center of the right split table portion 50R and the connection piece 51 at the center of the left split table portion 50L are connected to the overlapping mounting surface 52a at the center. Of the overlapping mounting surfaces 52a located at both ends, the right overlapping mounting surface 52a is connected to the connecting piece 51 at the right end portion of the right split table portion 50R, and the left overlapping mounting surface 52a is connected to the left dividing table. The connection piece 51 of the left end portion of the portion 50L.

As shown in FIGS. 6 and 7 , for the dividing platform portion 50R on the right side, a lower overlapping piece 51b is formed at the end of the connecting piece 51 at the central position, and an upper overlapping piece 51b is formed at the connecting piece 51 at the right end portion. Sheet 51a (not shown). This upper overlapping piece 51a has the same structure as the upper overlapping piece 51a formed at the end of the connection piece 51 at the central portion position of the left dividing table portion 50L.

In addition, in the left divided table portion 50L, an upper overlapping piece 51a is formed at the end of the connecting piece 51 at the central position, and a lower overlapping piece 51b (not shown) is formed at the connecting piece 51 at the left end. . The lower overlapping piece 51b has the same structure as the lower overlapping piece 51b formed at the end of the connecting piece 51 at the center position of the right division table portion 50R.

As described above, the left and right division table portions 50R and 50L of the left division table portion include members having the same structure for each connecting piece 51 .

As shown in FIG. 4, in the seedling loading stand 50 of the said structure, the interval b1, b2 of the center position of each seedling loading part 50a in the left-right direction is set as follows. That is, the distance b1 between the center positions of the two seedling loading parts 50a located in the center in the left and right direction is set to about 30 cm, and the seedling loading parts 50a that are closer to the two ends in the left and right direction than that. The distance b2 between the central positions in the left-right direction of the slit is set to be about 25 cm. In other words, the distance b1 of the center position of the seedling loading part 50a located in the center is set larger than the distance b2 of the center position of the seedling loading part 50a which deviates to both end side positions.

As mentioned above, the reason why the distance b1 between the seedling loading parts 50a at the central position is larger than the distance b2 between the seedling loading parts 50a at the positions at both ends is that the seedling loading parts at the connecting parts of the dividing table parts 50R and 50L A connection piece 51 for connecting the divided table parts 50R, 50L on both left and right sides exists at the center position of the table 50 .

In addition, as described above, the arrangement intervals a1 and a2 of the planting claws 43 of the seedling planting structure 40 are set so that the ratio of the arrangement interval a1 of the two planting claws 43 located in the center is closer to both ends in the left-right direction. The arrangement interval a2 between the two planting claws 43 of the site is large. Therefore, the connecting portion between the connecting pieces 51 at the connecting portion of the two split table portions 50R, 50L exists within the length range in the left-right direction of the arrangement interval a1 between the two planting claws 43 located in the center.

Thereby, the operator who holds the joystick 6 arrange|positioned equidistantly to both left and right sides from the left-right centerline CL1 of a traveling body can operate a body while walking between the widest planting rows.

(one of the other implementations)

In the above-mentioned embodiment, a 6-row planting type rice transplanter as a walking type rice transplanter is shown, but the structure of the present utility model is not limited thereto, for example, as shown in Figure 8, it can also be a 4-row planting type walking type rice transplanter machine.

In this case, the dividing stand parts 50R and 50L of both left and right sides may respectively have the two seedling loading parts 50a.

Other structures can adopt the same structure as the above-mentioned embodiment.

(Other Implementation Mode 2)

In the above-mentioned embodiment, not only the connecting portion at the central position of the dividing table portions 50R, 50L on the left and right sides is shown, but also the structure in which the connecting pieces 51 are provided at both left and right end portions is shown. The present invention is not limited thereto, for example, it can also be implemented as a structure in which the connecting pieces 51 at the left and right ends are omitted.

Other structures can adopt the same structure as the above-mentioned embodiment.

(Other Implementation Mode 3)

In the above-mentioned embodiment, it has been shown that the flange-shaped connecting piece 51 is connected in a partially overlapping state at the connecting portion located in the center of each of the divided table parts 50R, 50L. It may be implemented so that the connecting pieces 51 do not overlap each other, so that both end surfaces in the left-right direction abut against each other. In addition, in the case of being superimposed on each other, the connecting pieces 51 may not only be partially superimposed but may be completely superimposed.

(Fourth of other implementation modes)

In the above-mentioned embodiment, the specific numerical values of the arrangement interval a1 between the planting claws 43 and the length c1 in the left-right direction of the seedling loading part 50a are shown, but the present invention is not limited thereto. Make wider parts wider, or make narrower parts narrower.

(industrial availability)

The walking rice transplanter of the present invention can be applied not only to the walking rice transplanter using the engine as the driving source as shown in the embodiment, but also to the walking rice transplanting machine using the electric motor as the driving source.

Claims (8)

1. A walking rice transplanter, characterized in that, possesses: A seedling-carrying platform, the seedling-carrying platform is equipped with a plurality of seedling-carrying parts along the left and right directions; a seedling planting mechanism, the seedling planting mechanism has planting claws corresponding to each seedling-carrying part of the seedling-carrying platform; and An operating handle, the operating handle is located at a rear position compared with the seedling loading platform and the seedling planting mechanism and extends toward the rear side, The distance between the planting rows is equivalent to the distance between two adjacent planting claws in the left and right direction and is set such that the distance between the planting rows located in the central position in the left and right direction is greater than the distance between the planting rows located in the left and right direction. The distance between the planting rows on the end side is large, The left and right pair of dividing platform parts respectively having the seedling-carrying part of the described seedling loading platform are connected as a whole by the flange-shaped connecting pieces provided at the connecting parts of each dividing platform part, Within the range of the distance in the left-right direction between the planting rows located at the central position, a connecting portion between the connecting pieces is set. 2. The walking rice transplanter according to claim 1, wherein: The connecting pieces are arranged on the left and right sides of each dividing table part. 3. The walking rice transplanter according to claim 2, wherein: The connecting pieces located at the center side in the left-right direction of each of the divided table parts are joined in a state of being overlapped with each other in the left-right direction. 4. The walking rice transplanter according to claim 3, wherein: On the back side of the side of the pair of left and right dividing table parts where the side of the seedling loading part is formed, a connecting member spanning the dividing table parts on the left and right sides is bridged, and is located at a position overlapping with the connecting member. The connecting piece is connected to the connecting member. 5. The walking rice transplanter according to claim 4, wherein: The length of the connecting member in the left-right direction is equivalent to the entire length of the seedling loading platform in the left-right direction, and in the connecting member, the center position in the left-right direction of the seedling loading platform and the left-right direction Overlapping installation surfaces overlapping with the connecting piece are respectively formed at the two ends of the position, and the overlapping installation surface at the central position is longer in the left-right direction than the overlapping installation surface at the two ends. The length in the left-right direction is longer. 6. The walk-on rice transplanter according to any one of claims 1 to 5, characterized in that, The length of each said seedling loading part in the left-right direction is set to be the same. 7. The walking rice transplanter according to claim 6, wherein: The seedling loading platform can carry seedlings for 6 rows. 8. The walking rice transplanter according to claim 6, wherein: The seedling loading platform can place seedlings for four rows.