JP2000014217A - Lubricator of rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a lubricator of a rice transplanter, capable of arbitrarily feeding a proper amount of a lubricant and capable of easily constituting a lubricating route by disposing a storage tank for storing the lubricant, a specific lubricating pump and an operation tool for the lubricating pump. SOLUTION: A storage tank 35 for storing lubricant, a lubricating pump for delivering the lubricant from the storage tank 35 to plural lubricating sites in a seedling-planting device A attached to a travel frame 2 in a posture- changeable state, and an operation tool 34 for the lubricating pump are disposed on the seedling-planting device A. The storage tank 35 for storing the lubricant, the lubricating pump for delivering the lubricant from the storage tank 35 to plural lubricating sites in the seedling-planting device A, and the operation tool 34 for the lubricating pump may be disposed on the seedling carriage 9 of the seedling-planting device A attached to the travel frame 2 in a posture- changeable state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a lubricating device for a rice transplanter for supplying lubricating oil.

[0002]

2. Description of the Related Art When supplying lubricating oil to a plurality of locations requiring lubricating oil, a storage tank is provided, and the storage tank and the location requiring lubricating oil are connected by a plurality of oil passages. It was configured to supply by utilizing the natural flow of the water.

[0003]

In the above configuration, since a supply form utilizing gravity is employed, if the supply distance to the point where the lubricating oil is supplied is short or long, a portion having a large oil passage resistance will not be supplied. There was a risk that sufficient lubricating oil would not be supplied.

[0004] It is an object of the present invention to provide a lubricating oil supply device capable of arbitrarily supplying an appropriate amount, and to provide a lubricating oil passage which can be easily arranged.

[0005]

According to a first aspect of the present invention, there is provided a storage tank for storing lubricating oil in a seedling plant mounted on a traveling machine so as to be capable of changing its attitude, and a storage tank. And a lubricating pump for supplying lubricating oil to a plurality of lubricating points in a seedling planting apparatus, and an operating tool for the lubricating pump. The operational effects are as follows.

[Operation] In other words, since the lubricating pump is provided, the pump capacity can be reduced even if the lubricating points are plural.
It can be selected according to the resistance of the oil passage, and can be supplied to each lubrication point without excess or shortage. In addition, since the supply device for supplying lubricating oil and the lubrication point are provided in the seedling planting device, even if the seedling planting device moves up and down with respect to the traveling machine body, the supply device and the lubrication point remain in contact with the traveling machine body. Compared with the case where the seedling planting device is provided, even if the seedling planting device moves up and down, the distance between the supply device and the lubrication point does not change, so that the arrangement of the oil passage connecting them can be easily performed.

[Effect] A lubricating device for a rice transplanter can be provided which can supply lubricating oil to a plurality of locations appropriately and can easily arrange an oil passage provided between the supply device and the lubrication location.

[0008] The object of the invention according to claim 2 is as follows.
Is the same as

According to a second aspect of the present invention, there is provided a storage tank for storing lubricating oil in a seedling mounting table of a seedling mounting apparatus which is attached to a traveling machine so as to be capable of changing its attitude, and a storage tank. And a lubrication pump for supplying lubricating oil to a plurality of lubrication points on the seedling mounting table, and an operation tool for the lubrication pump are provided. The operational effects are as follows.

[Effects] Since the supply device for supplying the lubricating oil and the lubrication point are provided on the seedling mounting table, even if the seedling mounting table reciprocates, the supply device and the lubrication point are located on the seedling mounting table. Since the distance between the supply device and the lubrication point does not change as compared with the case where there is a device other than the seedling mounting table, there is no need to worry about loosening or catching of the oil passage connecting them, so that the arrangement configuration can be performed easily.

[0011] The object of the invention according to claim 3 is as follows.
Is the same as

[Structure] The feature of the invention according to claim 3 is that, in the feature of the invention according to claim 2, an operation tool for the lubrication pump is attached to one end of the seedling mounting table. The effects are as follows.

[Operation and Effect] Since the operation tool is located at one side end of the seedling mounting table, it is located farther from the driver's seat, so that the driver does not accidentally operate during the planting operation. Therefore, the lubricating oil is not supplied to the lubricating point more than necessary and does not leak.

An object of the invention according to claim 4 is to provide a structure capable of securing a sufficient amount of lubricating oil at a lubrication point.

According to a fourth aspect of the present invention, a lubricating oil is supplied to a transmission case accommodating a helical shaft for reciprocatingly driving the seedling mounting table and a top member, and the top member in the transmission case is provided. The point is that the lower case portion corresponding to the mounting position is projected in a square shape, and the operation and effect are as follows.

[Effects] A relative operation is performed between the spiral groove and the spiral groove to engage the spiral groove in the spiral shaft rotating about its own axis and to move the spiral shaft in the axial direction as the spiral shaft rotates. The lubricating oil can be supplied to the engaging portion of the top member to perform a smooth operation. In addition, since the transmission case projects the lower case portion into a square shape, the square portion serves as an oil reservoir for lubricating oil, and a stable supply to the engagement portion between the top member and the spiral groove for a long period of time. It can be carried out.

An object of the invention according to claim 5 is to provide a structure capable of securing a sufficient amount of lubricating oil at a lubrication point.

[Structure] According to a fifth aspect of the present invention, in the characteristic configuration according to the second aspect of the present invention, a sliding contact portion between the reciprocating seedling mounting table and a support frame supporting the seedling mounting table is provided. A lubricating oil is supplied to the seedling mounting table corresponding to the sliding contact portion, and a holding supply section of an oil-containing member that holds the lubricating oil while supplying the lubricating oil little by little to the sliding contact portion is provided. In one respect, the operation and effect are as follows.

[Function and Effect] By providing the oil-containing member, the lubricating oil can be supplied to the sliding contact portion little by little and over a long period of time. And can prevent leakage. Moreover, since the holding / supplying section holding the containing members is provided on the seedling mounting table, the oiling path length from the refueling lubrication pump to the holding / supplying section does not change even when the seedling mounting table reciprocates, so the oiling path can be simplified. It can be easily arranged and configured.

An object of the present invention according to claim 6 is to provide a structure that takes into account the arrangement of other equipment at a lubrication point.

[Structure] According to a sixth aspect of the present invention, a supply section for supplying lubricating oil is provided at a sliding contact portion between a reciprocating seedling mounting table and a support frame supporting the seedling mounting table. A plurality of vertical feeders that send out mat-shaped seedlings on the seedling mounting surface toward the seedling removal port are installed side by side,
The point that the supply unit is provided between the opposing side ends of the adjacent vertical feeding devices is provided, and the operation and effect are as follows.

[Operation and Effect] The supply unit for supplying the lubricating oil
By providing between the opposite side ends of the adjacent vertical feeding devices, a part of the supply unit can be disposed so as to enter between the side ends, and the lubricating oil supply part to the sliding contact portion and the lubricating oil It can be configured with a margin with the receiving part that accepts, and the degree of freedom in design is high.

[0023]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, an engine 4 is mounted on a front part of a traveling body 3 having a drive-type front wheel 1 that is steered and a drive-type rear wheel 2.
A steering handle 5 and a cockpit 6 are arranged at the center of the traveling body 3, and the seedling planting apparatus A is connected to a rear end of the traveling body 3 via a parallel quadruple link mechanism 8 driven up and down by a lift cylinder 7. To construct a rice transplanter as a paddy field working vehicle. The seedling planting apparatus A transfers the mat-shaped seedling W placed on the detachable seedling mounting table 9 to which the extension seedling mounting table 9A is detachable from the planting case 39.
The rotary case 10 is provided with a system for performing an operation of cutting out and planting in a field scene by a planting arm 11 provided in the rotary case 10, and a plurality of leveling floats 12 are provided at a lower portion for four-row planting.

The seedling planting apparatus A will be described. As shown in FIGS. 1 and 2, a feed case 13 is attached to the rear end of the parallel quadruple link mechanism 8 via a rolling axis X,
The transmission shaft 14 extends from the transmission case of the traveling body 3 so that the power from the engine 4 is supplied to the feed case 13. Square frame-shaped main frames 15, 15 are extended right and left from the feed case 13, and a pair of right and left columns 16, 16 are erected from the main frames 15, 15, and the upper ends of the seedling mounting table 9 are supported by the columns 16, 16. And a lower end portion of the seedling mounting table 9 is supported by a supporting frame 40 which is supported by the planting case 39 so as to be vertically movable so as to be reciprocally movable left and right.

The lateral feed mechanism B of the seedling mounting table 9 will be described. As shown in FIG. 8, the helical shaft 17 extends to one side from the feed case 13, and the tip of the helical shaft 17 is supported by a bracket 18 provided on the main frame 15, and is externally fitted to the helical shaft 17. And a moving body 19 that moves in the axial direction. As shown in FIG.
9 moves along the helical groove 17A of the helical shaft 17 which rotates around the axis by the engagement between the helical groove 17A of the helical shaft 17 and the top member 21 accommodated in the moving body 19 thereof. The moving body 19 is connected to the seedling mounting table 9 via a bracket 20, and reciprocally drives the seedling mounting table 9 in a constant stroke. The target on the seedling mounting stand 9 side to which the bracket 20 is connected is a T-shaped first reinforcing frame 28 attached to the left and right sides of the seedling mounting base 9.

The sliding plate 40A of the support frame 40 supported by the planting case 39 is provided below the seedling mounting table 9.
Thereby, the lower end surface of the mat-shaped seedling W on the seedling-mounting surface is received, and at the same time, the mat-shaped seedling W is slidably guided in the reciprocating lateral movement together with the seedling-mounting base 9. Near the lower end of the seedling mounting table 9, a vertical feeding belt 23 as a vertical feeding device is installed, and the vertical feeding belt 23 directs the mat-shaped seedling W placed on the seedling mounting portion toward the seedling removal port 9B. It is configured to send in.

The vertical feed mechanism of the seedling mounting table 9 will be described. As shown in FIGS. 4 and 8, while a driven arm 25 is attached to a shaft of a driving pulley 24 that drives the vertical feed belt 23, a rotating shaft 26 extends from the feed case 13 in parallel with the spiral shaft 17. In this rotating shaft 26,
A pair of drive arms 27 are mounted and fixed at intervals corresponding to the length of the lateral feed stroke of the seedling mounting table 9.
The drive arm 27 is always rotating together with the rotating shaft 26, and when the seedling mounting table 9 reaches the end of the transverse feed stroke, the rotation operation areas of the drive arm 27 and the driven arm 25 overlap, and the drive arm 27 The driven arm 25 is rotationally driven to drive the driven arm 25 by a certain angle. Then, the vertical feed belt 23 is rotationally driven by a fixed amount.
The driven arm 25 is urged to return to a standby position before being driven by a one-way clutch and a return spring (not shown).

The rolling structure of the seedling mounting table 9 will be described. As shown in FIG. 2, a support bracket 29 is erected at the upper end position of the rear end link 8 </ b> A of the parallel quadruple link mechanism 8, and a helical shaft 30 is bridged over the support bracket 29. The top member 31 is reciprocated along the spiral shaft 30 by screwing the spiral shaft 30 around its axis with a drive motor 48. The top member 31 is provided with a connection bracket, and balance springs 33, 33 are provided over the bracket formed on both side ends of the second reinforcement frame 32 provided above the first reinforcement frame 28 and the connection bracket. Is spanned. When the spiral shaft 30 is rotated to deviate the top member 31 to one of the right and left sides, the length of the balance springs 33, 33 is temporarily collapsed, so that the balance springs 33, 33 expand and contract in the direction to take the balance.
In response to the movement, the seedling planting apparatus A performs a rolling operation in the direction in which the top member 31 has moved, and stops the rolling operation when the balance springs 33, 33 are balanced.

As shown in FIG. 2, a storage tank 35 and a lubrication pump 36 for pumping lubricating oil to a lubricating portion are arranged side by side on the back of the seedling mounting table 9, and an operation lever 34 as an operating tool for the lubrication pump 36 is operated. It is provided swingably. The posture of the opening / closing lid provided on the upper surface of the storage tank 35 is close to a horizontal posture as shown in FIGS. 1 and 3. Even if the seedling mounting table 9 is in the forward falling posture, the oil can be stored up to near the lid, and the amount of stored oil with respect to the tank capacity can be increased. As shown in FIG. 2, the mounting position of the operation lever 34 is at a position off the driver's seat 6 at one end of the seedling mounting table 9, so that the driver can avoid erroneous operation. The lubricating oil discharged from the oil pump 36 passes through the oil passage 37, on the sliding surface between the seedling mounting table 9 and the support frame 40, and on the engagement portion between the helical shaft 17 and the top member 21, and further rolling. The lubrication is achieved by reaching the engagement portion between the spiral shaft 30 of the mechanism and the top member 31. On the sliding surface and the engagement portion, a supply unit 38 is provided which receives the lubricating oil sent at the end of the oil passage 37 and applies the lubricating oil to the sliding surface and the like.

Next, a structure for supplying lubricating oil to the engagement portion between the spiral shaft 17 and the top member 21 in the lateral feed mechanism B will be described. As shown in FIGS. 6 and 7, the moving body 19 is configured as a transmission case externally fitted to the helical shaft 17, and is formed by bulging the intermediate position of the moving body itself in the axial center direction. The top member 21 and the oil scraper wheel 41 are housed in the inner space of the intermediate portion. Lid 42 for closing the internal space
Are provided, and the top member 21 is positioned by the lid 42. On the outer surface of the lid 42, the moving body 19 is
The connecting bracket 42A connected to the bracket 20 fixed to the bracket 20 is provided upright.

As shown in FIG. 5, the end nozzle 38 of the lubricating oil supply oil passage 37 is
A is inserted and fixed, and constitutes a supply section 38 for applying lubricating oil to the internal space. The mounting position of the end nozzle 38A is set so as to be located above the spiral shaft 17,
The supply of the lubricating oil to the spiral shaft 17 is reliable. Since the end nozzle 38A is made of rubber, it has a sealing function, and the amount of oil can be adjusted. If an internal thread is provided in the mounting hole of the end nozzle 38A, a grease nipple can be used, and a configuration capable of supporting not only oil lubrication but also grease lubrication can be achieved. As shown in FIG. 6, in the internal space, a fixed empty space is provided on the lateral side of the mounting portion of the oil scraper wheel 41 to form an oil reservoir a. The oil is stored here and is scraped up by the ring 41 to improve the lubrication oil around. As shown in FIG. 6, a sponge ring 49 may be arranged so as to be wound around the helical shaft 17, so that the sponge ring 49 containing oil can supply the lubricating oil in a stable state.

As shown in FIG. 5, the cross-sectional shape in the direction perpendicular to the moving direction of the moving body 19 is such that the lower case portion is formed in a square shape, and the lower portion of the case has an expanded shape. At the same time, the position of the axis of the helical shaft 17 is deviated upward from the center of the cross section, so that a sufficient oil pool b
To ensure that.

A description will be given of a structure for supplying oil to a relative sliding portion between the support frame 40 and the lower end of the seedling mounting table 9. As shown in FIG. 9, a channel-shaped slide frame 44 externally fitted and engaged with the hollow main body portion 40 </ b> B of the support frame 40 is attached and fixed to the back surface of the seedling mounting table 9, and the seedling mounting table 9 on the upper surface of the slide frame 44 is fixed. 4 across the width
A supply unit 38 for supplying the lubricating oil is provided at some places. The supply unit 38 includes a case 46 as a holding / supplying unit for accommodating a sponge oil-impregnated member 45, a rubber seal 43 attached to the case 46, and an elbow-type connector 47. The oil passage 37 is connected, and the oil passage 37 is connected.
The oil-containing member 45 that supplies the sliding oil to the sliding contact portion little by little while holding the lubricating oil supplied through the housing is housed. An opening 46 </ b> A is provided on the bottom surface of the case 46 that is to be in sliding contact with the support frame 40.
Is provided so that a part of the oil-containing member 45 projects from the opening 46 </ b> A and comes into contact with the support frame 40.

As shown in FIGS. 2 and 10, an elbow-type connector 47 is mounted along the longitudinal direction of the slide frame 44, and the oil passage 37 is disposed in parallel with the slide frame 44 so that the oil passage 37 can be connected to other devices as much as possible. It is configured not to radiate. The installation position of the case 46 is provided so as to be located between the adjacent vertical feed belts 23, and even if the elbow type connector 47 is larger than the hydraulic hose or the like forming the oil passage 37. , Necessary installation space can be secured. Thereby, the vertical feed belt 23
It is not necessary to make a change to move the lower end position of the upward.

[Alternative Embodiment] The structure in which the raising and lowering operation and the rolling operation are possible has been described as a configuration in which the attitude of the seedling planting apparatus A can be freely changed, but at least one of them may be employed.

[Brief description of the drawings]

FIG. 1 is an overall side view of a rice transplanter.

FIG. 2 is a front view of a rice seedling mounting table of a rice transplanter.

FIG. 3 is a side view showing a storage tank and operation tools.

FIG. 4 is a vertical sectional side view showing a driven arm of a vertical feed mechanism.

FIG. 5 is a longitudinal side view showing a lateral feed mechanism of the seedling mounting table.

FIG. 6 is a longitudinal sectional front view showing a helical shaft of a transverse feed mechanism.

FIG. 7 is a vertical sectional front view showing a case for housing a spiral shaft of a transverse feed mechanism.

FIG. 8 is a front view showing a lateral feed mechanism.

FIG. 9 is a longitudinal sectional front view showing a lubricating oil supply structure at a sliding portion between a support frame and a seedling mounting table.

FIG. 10 is a front view corresponding to FIG. 9;

[Explanation of symbols]

 Reference Signs List 3 traveling machine 9 seedling mounting table 17 spiral shaft 19 transmission case 21 top member 34 operating tool 35 storage tank 36 lubrication pump 38 supply unit 40 support frame 45 oil impregnated member 46 holding supply unit A seedling plant W mat-shaped seedling

Claims (6)

[Claims] A storage tank for storing lubricating oil in a seedling plant attached to a traveling machine so as to be capable of changing its attitude, and an oil pump for feeding lubricating oil from the storage tank to a plurality of lubrication points in the seedling plant. Oiling device for a rice transplanter, comprising an operating tool for an oiling pump. 2. A storage tank for storing lubricating oil on a seedling mounting table of a seedling mounting apparatus attached to a traveling machine so as to be capable of changing its attitude, and lubricating oil is supplied from the storage tank to a plurality of lubrication points on the seedling mounting table. Oiling device of a rice transplanter, which is provided with an oil pump for feeding oil and an operating tool for the oil pump. 3. The lubricating device for a rice transplanter according to claim 2, wherein an operation tool for the lubricating pump is attached to one end of the seedling mounting table. 4. A lubricating oil is supplied to a transmission case accommodating a helical shaft for reciprocatingly driving the seedling mounting table and a top member, and a lower case portion corresponding to the mounting position of the top member in the transmission case is formed in a square shape. A lubricator for a rice transplanter protruding. 5. A lubricating oil is supplied to a sliding contact portion between the reciprocally moving seedling mounting table and a support frame supporting the seedling mounting table, and the sliding contact is provided to the seedling mounting table corresponding to the sliding contact portion. The lubricating device for a rice transplanter according to claim 2, further comprising a supply holding portion for an oil-containing member that holds the lubricating oil while supplying the lubricating oil little by little to the portion. 6. A supply section for supplying lubricating oil is provided at a sliding portion between a reciprocating seedling mounting table and a support frame supporting the seedling mounting table, and a mat-shaped seedling on the seedling mounting surface is taken out. A lubricating device for a rice transplanter, comprising: a plurality of vertical feeders that feed toward a mouth; and a supply unit provided between opposing side ends of adjacent vertical feeders.