KR200489768Y1 - Power Train for Walking Type Working Machine - Google Patents

Abstract

A power transmission device for a walking type work machine, comprising: an engine unit driven by fuel supplied from a fuel tank; A mission unit having a power transmission assembly to transmit rotational force according to the driving of the engine unit to a wheel driving unit and a walking type work machine; A wheel drive unit that is replaceably installed at a lower portion of the mission unit to be movable by the rotational force transmitted from the mission unit; A steering unit installed at the rear of the mission unit to move and rotate the wheel driving unit in a desired direction; And a power transmission unit installed at the rear of the mission unit so that the rotational force of the mission unit is transmitted to the walking type work machine, and combines a rotary or the like with a wheel driving unit to cover the ground to a predetermined depth, and the power transmission unit of the power transmission unit. The assembly can be used by combining water pump, spray sterilizer, lawn mower, etc. This can be used for multi-purpose by combining a large number of agricultural machinery in one power transmission device, the front support installed in the front and the rear support installed in the rear This achieves the effect that the power transmission device can be used stably.

Description

Power Train for Walking Work Machines {Power Train for Walking Type Working Machine}

The present invention relates to a power transmission device for a walking type work machine, and more specifically, to use a combination of water pump, spray sterilizer, lawn mower, vine remover, etc. in one power transmission device, as well as rotary, vinyl coating work machine, The present invention relates to a power transmission device for a walking type work machine, which can selectively use a two-blade rest machine.

Generally, in the past, all the work required for farming was done by hand, but as the industry developed, many farming work was machined.

For example, in the past, when farming rice, all the work was done by hand, using the power of cows to plow the rice fields with plows, planting one's own rice fields, cutting sick rice with sickle, and threshing the broken rice. lost.

However, as the industry developed, farmers used the tractor to plow the rice fields and replaced the rice plantings with rice transplanters, and the farmers replaced rice with sickle and threshed rice, and the combines replaced farming. As mechanization has taken place, farming using machines has become commonplace.

Farm machinery used for farming is used, such as a cultivator, a tractor, a rice transplanter, a water pump, a spray sterilizer, etc., but these farm machinery can only be limited to a predetermined task.

That is, rice transplanters are used only for rice transplanting, and cultivators, tractors, and the like are used to carry cargoes on trailers or to use them only for rotary operations.

In addition, these farm machinery is one of the forward and backward and the direction is changed as the operator rides, the operator is difficult to operate. In other words, the weight of the farm machinery itself is heavy and large size requires a strong muscle strength in the operator operation.

Accordingly, there is a need for a walking type work machine that can be easily manipulated by a worker without difficulty, and that can be used by combining various types of agricultural machines with one power transmission device.

For example, Patent Document 1 below discloses a 'power transmission clutch device for an agricultural work machine'.

The power transmission clutch device of the agricultural work machine according to the patent document 1 is an agricultural work machine towed by a tractor, coupled to the rear wheel shaft of the tractor is a rotating shaft switching unit for converting the rotational force of the rear wheel shaft 90 °, in the rotating shaft switching unit It is provided with a power transmission shaft for transmitting the converted rotational force to the agricultural work machine, a clutch unit which is attached to the end of the power transmission shaft to supply and block the rotational force transmitted to the agricultural work machine.

It includes a clutch unit control means for controlling the blocking and supply of the rotational force transmitted to the clutch unit in the lifting operation of the agricultural work machine.

The rotating shaft shifting unit is engaged with the first bevel gear and the first bevel gear connected to the rear wheel extension shaft and the rear wheel extension shaft which are fastened to the shaft center outside the rear wheel of one side of the tractor, and converts the rear wheel rotation force by 90 °. It is composed of a second bevel gear for transmitting to the power transmission shaft, the power transmission shaft and the second bevel gear is connected by a universal joint.

The clutch portion has one end fixed to the universal joint exit side, the other end is a power shaft rod disposed with a plurality of splines forming a projection parallel to the shaft, the power shaft bevel gear inserted into the power shaft rod is free to move in the axial direction, And a work machine bevel gear that is engaged with the power shaft bevel gear and converts the rotational power by 90 ° to the work machine.

The clutch control means includes a 'operating lever of the' a 'actuating lever which is installed with an inflection point as a fixed pin to move the power shaft bevel gear back and forth, and the' a 'actuating lever that pulls the' a 'actuating lever. Pull line connected to one end, the pull line fixing means of the clutch unit and the flexible pull line guide tube is installed to one end of the 'b'-shaped operation lever, the pull line guide tube fixing the pull line guide tube to the working machine body It is composed of members.

Patent Document 2 discloses a 'walking work machine'.

The walking type work machine according to Patent Document 2 is provided with a swinging arm swinging at a rear portion of the base frame with a support shaft in the left and right direction as a supporting point from the rear of the tilling rotor disposed below the base. And a resistance wheel for grounding in the swinging position in which the swinging arm is grounded in the downward attitude of the swinging arm and the rearward swinging position in which the swinging arm is swinged backward in the downward position.

The rear portion of the gas frame is provided with fixing means for enabling the rocking arm to be fixed in the downward position and the rear swing position, and in the downward position, a fixing means for maintaining and fixing a gap between the resistance bar and the transmission case for the tilling rotor. And over the swinging arm.

Republic of Korea Patent Publication No. 10-2013-0069520 Republic of Korea Patent Publication No. 10-2013-0010824 Republic of Korea Patent Publication No. 10-2011-0008249 Republic of Korea Patent Publication No. 10-2015-0004801

An object of the present invention is to solve the problems as described above, to provide a power transmission device for walking type work machine driven by a large torque by transmitting the power generated in the engine to the gear.

Another object of the present invention is to provide a power transmission device for a walking type work machine that can be used by mounting a rotary unit in the wheel drive unit, as well as agricultural machinery such as water pump, spray sterilizer, and lawn mower. .

Still another object of the present invention is to provide a power transmission device for a walking type work machine so that no conduction occurs during walking by the front support installed in the front and the rear support installed in the rear.

In order to achieve the object as described above, the power transmission device for walking type work machine according to the present invention is an engine unit driven by the fuel supplied from the fuel tank; A mission unit having a power transmission assembly to transmit rotational force according to the driving of the engine unit to a wheel driving unit and a walking type work machine; A wheel drive unit that is replaceably installed at a lower portion of the mission unit to be movable by the rotational force transmitted from the mission unit; A steering unit installed at the rear of the mission unit to move and rotate the wheel driving unit in a desired direction; And a power transmission unit installed at the rear of the mission unit to transmit the rotational force of the mission unit to the walking type work machine, wherein the mission unit transmits the rotational force of the engine unit to the wheel driving unit and the power transmission unit at the same rotational speed. And a power transmission gear installed at the mission unit.

The engine unit may further include a front support installed in front of the engine unit so that the engine unit does not fall forward when moved and rotated.

And a rear support provided at the rear of the mission unit to prevent the power transmission device from being conducted backward. The rear support may include a central axis adapter installed at the rear of the mission unit; A central shaft installed on the central shaft adapter such that height is adjustable; And a rear assembly installed between the mission unit and the central axis adapter.

And a turning assembly to rotate the handle frame in the vertical direction and the horizontal direction with respect to the mission unit, wherein the turning assembly includes a lower gear formed on an upper surface of the frame; A fixed shaft formed at a predetermined height such that the rotating bracket is coupled to an upper surface of the lower gear; A rotating bracket having an upper gear 475 formed on a bottom thereof so as to correspond to the lower gear 473; It characterized in that it comprises a; side gears respectively formed on both sides of the rotating bracket.

The steering unit further includes an emergency stop lever for emergency stop driving of the engine unit, the emergency stop lever is a rotary lever formed to a predetermined length; A bracket installed to correspond to the rotary lever; A switch installed on the bracket to emergency stop the engine unit; A rotating frame rotatably installed on the bracket 492; And a stop plate installed on the rotating frame to move the switch forward and backward.

The power transmission unit further includes a power transmission assembly installed to transmit rotational power to a water pump, a spray sterilizer, and a lawnmower, wherein the power transmission assembly includes a fixed cover fixed to the rear of the gear box assembly; A connecting shaft installed at a predetermined length to transmit a rotational force to the inside of the fixing cover; A casing fastened to an outer surface of the fixing cover; It characterized in that it comprises a connecting bushing coupled to the connecting shaft to transfer the rotational force to the pump or spray sterilizer.

As described above, according to the power transmission device for a walking type work machine according to the present invention, by combining a rotary part and the like to the wheel drive unit, the land can be disposed of to a certain depth, water pump, spray sterilizer, to the power transmission assembly of the power transmission unit It can be used in combination with the lawn mower, which can be used for multi-purpose by combining a number of agricultural machinery in one power transmission device, stable power transmission device by the front support installed in the front and the rear support installed in the rear The effect that can be used is obtained.

In addition, according to the power transmission device for walking type work machine according to the present invention, the emergency stop lever is installed on the handle frame to emergency stop the engine, the casing of the power transmission assembly and the bushing for connecting the other agricultural machinery It can be easily combined, the effect is that the trailer pin can easily and easily combine and detach the trailer.

1 is a three-dimensional view showing a power transmission device for walking type work machine according to an embodiment of the present invention,
Figure 2 is a three-dimensional view showing the engine portion of the power transmission device for walking type work machine according to an embodiment of the present invention,
3 is an exploded three-dimensional view showing the mission unit, the front support, the power transmission unit of the power transmission device for walking type work machine according to a preferred embodiment of the present invention,
Figure 4 is an exploded three-dimensional view showing the mission of the power transmission device for walking type work machine according to an embodiment of the present invention,
5 is an enlarged exploded perspective view showing a mission unit of a power transmission device for a walking type work machine according to an embodiment of the present invention;
Figure 6 is an exploded three-dimensional view showing the wheel drive unit of the power transmission device for walking type work machine according to an embodiment of the present invention,
7 is an exploded three-dimensional view showing a steering unit of the power transmission device for walking type work machine according to an embodiment of the present invention,
8 is an exploded three-dimensional view showing a turning assembly of the power transmission device for walking type work machine according to an embodiment of the present invention,
9 is an exploded three-dimensional view showing the emergency stop lever of the power transmission device for walking type work machine according to an embodiment of the present invention,
10 is an exploded three-dimensional view showing the emergency stop lever of the power transmission device for walking type work machine according to an embodiment of the present invention,
11 is an exploded three-dimensional view showing a power transmission assembly of the power transmission device for walking type work machine according to an embodiment of the present invention,

Hereinafter, a power transmission device for a walking type work machine according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Power transmission device for walking type work machine according to a preferred embodiment of the present invention is the engine unit 100 driven by the fuel supplied from the fuel tank, the wheel driving unit 300 and the rotational force according to the driving of the engine unit 100 and A mission unit 200 having a power transmission assembly to be transmitted to a walking type work machine, and a wheel driving unit that is replaceably installed at a lower portion of the mission unit 200 to be movable by the rotational force transmitted from the mission unit 200 ( 300, the steering unit 400 installed at the rear of the mission unit 200 so that the wheel drive unit 300 moves and rotates in a desired direction, so that the rotational force of the mission unit 200 is transmitted to the walking type work machine. And a power transmission unit 500 installed at the rear of the mission unit 200, wherein the mission unit 200 includes the wheel driving unit 300 and the power transmission unit 500 of the engine unit 100. To transmit torque at the same speed And a power transmission gear provided in the group mission portion 200.

Power transmission device for walking type work machine according to an embodiment of the present invention transmits the rotational force according to the driving of the engine unit 100 to the wheel driving unit 300 and the power transmission unit 500 at the same rotation speed as the engine speed. Of course, the power transmission device can be rotated freely in the front and rear and left and right directions, and it transmits power to a rotary, double-blade restrainer, vinyl coating work machine, water dispenser, spray sterilizer, vine remover, lawn mower, trailer, and one power source. It is possible to freely attach different types of walking farm machinery to the delivery system.

1 is a three-dimensional view showing a power transmission device for walking type work machine according to an embodiment of the present invention.

As shown in Figure 1, the power transmission device for walking type work machine according to an embodiment of the present invention, the engine unit 100 for generating a rotational force, the mission unit 200 for transmitting the rotational force generated in the engine unit 100 ), The wheel drive unit 300 is rotated to receive the rotational force from the mission unit 200 to move the power transmission device, the steering unit 400 and the rotary to convert the power transmission device in the left and right and front and rear directions in a desired direction , Double blade rest machine, vinyl coating work machine, water pump, spray sterilizer, vine remover, lawn mower, made of a power transmission unit 500 is installed in the rear of the mission unit 200 to transmit the rotational force to agricultural machinery.

On the other hand, the mission unit 200 is provided with a power transmission gear to transmit the rotational force generated from the engine unit 100 with a large torque, the wheel drive unit 300 is directly coupled to the rotary to dispose the ground, The power transmission unit 500 is provided with a power transmission assembly to transmit rotational force to agricultural machinery such as water pumps and spray sterilizers, and the steering unit 400 is installed with an emergency stop assembly to immediately drive the engine unit 100 in an emergency situation. Allow it to stop

Figure 2 is a three-dimensional view showing the engine portion of the power transmission device for walking type work machine according to an embodiment of the present invention.

As shown in Figure 2, the power transmission device for walking type work machine of the present invention is provided with an engine unit 100 to generate a rotational force. The engine unit 100 has an engine assembly 111 installed at one side, and a gasket 112 is installed at one side of the engine assembly 111.

In addition, a flange 113 is installed at one side of the engine assembly 111, the flange 113 is fixed by the bolt 115, and the rotational force of the engine assembly 111 is smoothly transmitted to the mission unit 200. Bearing 116 is installed so as to.

A pressure discharge screw 117 is installed on the flange 113 to adjust the pressure of the engine assembly 111, and an engine cover 121 is installed on an upper portion of the engine assembly 111.

The engine cover 121 is installed on the upper part of the engine assembly 111 and separated by a bolt 118, a flat washer 119, and a rubber washer 120 so as to separate the engine cover 121 as necessary. It is possible to install.

In addition, the front cover of the engine cover 121 is provided with a head lamp 122 for emitting light, the front cover of the engine cover 121, the engine cover bracket 123 is installed.

In addition, a starter lever 125 is installed at one side of the engine assembly 111, and a fuel tank 126 for supplying fuel is installed at an upper portion of the engine assembly 111.

An air purifier 127 is installed at the rear of the engine assembly 111 to supply purified air, and an exhaust gas discharge port is disposed at one side of the air purifier 127 to discharge the exhaust gas combusted from the engine assembly 111. 128) is installed.

Figure 3 is an exploded three-dimensional view showing the mission portion, the front support, the power transmission portion of the power transmission device for walking type work machine according to an embodiment of the present invention.

3 is an exploded three-dimensional view showing the mission unit 200 and the power transmission unit 500 of the present invention. As shown in FIGS. 1 and 3, the engine assembly 111 is located behind the engine unit 100. Mission unit 200 for transmitting the rotational force is installed.

The front support 150 is provided at the front of the mission unit 200 to support the power transmission device to a predetermined height so that the power transmission device is not conducted forward, so that the power transmission device at the rear of the mission unit 200 does not conduct backward. The rear support 160 supporting a predetermined height is provided.

The front support 150 is installed in front of the mission unit 200, the front support 150 is a support 151 is provided with a predetermined height, the bumper 152 is installed on the bottom of the mission unit 200, The engine bracket 153 is mounted on the upper surface of the bumper 151.

The bumper 152 is fixed to the upper end of the support 151 in the horizontal direction, and the engine bracket 153 is installed on the upper surface of the bumper 152. The bumper 152 and the engine bracket 153 are fixed by the nut 154 and the bolt 158 in the vertical direction, and the engine bracket 153 is in close contact with the mission unit 200 and the nut 156 in the horizontal direction. ), The spring washer 156, the flat washer 157 and the bolt 159 is firmly installed.

The rear support 160 is installed to prevent the power transmission unit from falling backward, the rear support 160 is the center of the height adjustable to the central axis adapter 161, the central axis adapter 161 is installed. Shaft 162, the rear assembly 166 is installed between the mission unit 200 and the central axis adapter 161.

The central axis adapter 161 is formed to have a predetermined length so that the rear assembly 166 and the central axis 162 are coupled, and the central axis 162 formed at a predetermined height behind the central axis adapter 161 is provided. do.

A plurality of holes are formed in the central shaft 162 at predetermined height intervals, and the coater for fixing the fixing pin 163 and the fixing pin 163 to be coupled to the central axis adapter 161. 164 is provided.

In addition, the rear assembly 166 is installed between the mission unit 200 and the central axis adapter 161. The rear assembly 166 is formed so that a pair of plates are spaced apart by a predetermined interval to be coupled to the mission unit 200, the trailer pin 167 and the coater so that the trailer and the like is coupled to the rear of the rear assembly 166. 168 is provided.

The mission unit 200 is a wheel drive unit (20) and the lower portion of the gear box assembly 201 and the gear box assembly 201 so that the rotational force of the engine unit 100 is transmitted to the wheel drive unit 300 and the power transmission unit 500. 300 is made of a power transmission assembly 202 to be installed.

Figure 4 is an exploded three-dimensional view showing a mission unit of the power transmission device for walking type work machine according to a preferred embodiment of the present invention, Figure 5 is a mission portion of the power transmission device for walking type work machine according to a preferred embodiment of the present invention. One is an enlarged exploded stereogram.

FIG. 5A illustrates the power transmission unit 500 coupled to the gearbox assembly 201 of the mission unit 200, and FIG. 5B illustrates the wheel driving unit 300 coupled to the gearbox assembly 201. .

3 to 5, the gear box assembly 201 of the mission unit 200 has a shaft 217 coupled to the engine unit 100, and a clutch core 211 is provided at one side of the shaft 217. Combined.

In addition, the shaft 217 is coupled to the gear switching assembly 218 rotated together with the shaft 217, the clutch core 211 is firmly coupled to the shaft 217, the washer 212, the bearing 213, Washer 214 and bolt 215 are fastened.

In addition, the shaft 217 is provided with a position spring 219 for adjusting the installation position of the shaft 217, the fixture 220 is fixed so that the position spring 219 is not separated from the shaft 217.

In addition, seals 221 are installed at both sides of the shaft 217 to maintain a sealed state, and a bearing 222 is installed to smoothly rotate the shaft 217.

In addition, the gear switching assembly 218 is engaged with the double spur gear 231 to transmit the rotational force to the wheel drive unit 300, the bevel gear shaft 232 is installed inside the double spur gear 231.

The bevel gear shaft 232 is coupled to the double spur gear 231 by a flat key 233, the bearing 234 is coupled so that the bevel gear shaft 232 rotates smoothly.

In addition, a reverse shaft 241 is coupled to the gearbox assembly 201 so that reverse is made, and a seal 242 is installed at one side of the reverse shaft 241 to seal the reverse shaft 241, and a reverse gear push is installed at the reverse shaft 241. Plate 243 is coupled.

A reverse gear 244 is installed on the reverse shaft 241, and a seat spring 245 is installed to stably couple the reverse gear 244, and a reverse gear operating limiter 247 is provided on the reverse gear 244. ) Is installed, and a reverse gear spring 246 is installed between the reverse gear 244 and the reverse gear operating restriction sphere 247, and the reverse gear spring 246 is installed so as to stably install the coater 248 and the nut. 249 is fastened.

A bearing 251 is coupled to the other side of the shaft 217, and a first stopper washer 252 is installed at one side of the bearing 251, and a gasket 254 is disposed at one side of the first stopper washer 252. Is installed, one side of the gasket 254, the oil sealing plate 255 is installed in the gear box assembly 201 by the bolt (256).

In addition, the gear box assembly 201 is provided with a position pin 261 for adjusting the position of the shaft 217, the position pin 261 is a washer 262, a spring washer 263 and a bolt 264 It is coupled to the gearbox assembly 201.

In addition, a clutch line 265 is installed in the gear box assembly 201, and the clutch line 265 is fastened to the gear box assembly 201 by a nut 266.

Figure 6 is an exploded three-dimensional view showing the wheel drive of the power transmission device for walking type work machine according to an embodiment of the present invention.

4 to 6, the wheel drive unit 300 is installed on the bottom of the gear box assembly 201, the wheel drive unit 300 is coupled to the tire 361 to move the power transmission device, of course, A rotary (not shown) is installed to cover the land.

A power transmission assembly 202 is installed below the gearbox assembly 201, and a crank cabinet 317 is installed on the power transmission assembly 202 so that a wheel output shaft 341 is installed.

A bevel gear 311 is installed on the bottom of the gearbox assembly 201, and a bearing 312 is coupled to the bevel gear 311, between the gearbox assembly 201 and the power transmission assembly 202. The shaft gasket 313 is installed.

The crank cabinet 317 is fixed to the power transmission assembly 202, and an oil drain plug 318 is installed at the bottom of the crank cabinet 317 so as to discharge oil.

The power transmission assembly 202 is fastened to the bolt box 319 to be firmly installed in the gear box assembly 201, the bolt 319 is provided with a spring washer 321 and flat washer 320 together.

An axis spacer 342, a washer 343, and a bearing 344 are installed at the wheel output shaft 341, and a working bevel gear 345 engaged with the bevel gear shaft 331 is installed at the wheel output shaft 341. The gasket 346 in close contact with the crank cabinet 317 is installed.

A bearing 347 is installed on the wheel output shaft 341, and a flange 348 is installed on an outer surface of the crank cabinet 317.

The flange 348 is provided with a gear box guard 350 for stably coupling the wheel output shaft 341, the inner surface of the gear box guard 350 is provided with an oil seal 351, the gear box guard 350 ) Is tightly installed on the flange 348 by the flange bolt 349, the spring washer 353, the flat washer 354.

As shown in FIG. 6, the tires 361 are installed at both sides of the wheel output shaft 341.

The wheel driving unit 300 is provided with a tire 361, a tire shaft 362 is fixed to one side of the tire 361, the tire shaft 362 is hollow to be detachable to the wheel shaft 341 It is formed into a shape.

In addition, the tire shaft 362 is provided with a fixing pin 363 and the coater 366 to be firmly installed on the wheel shaft 341, the tire shaft 362 is the tire by the bolt 364 and the nut 365 It is installed in the shaft 362.

7 is an exploded three-dimensional view showing a steering unit of the power transmission device for walking type work machine according to an embodiment of the present invention.

As shown in FIGS. 5A and 7, the steering part 400 is provided with a clutch fork shaft 411 on one side of the gearbox assembly 201, and the clutch fork 412 on the clutch fork shaft 411. Is installed.

The clutch fork 412 is provided with a bolt 413 and a coater 414 so that the clutch fork shaft 411 is firmly installed, the seal 415 is coupled to one side of the clutch fork 412, the clutch The bush 416 is coupled to the other side of the fork 412.

A holder clutch 417 is coupled to the clutch fork shaft 411, and a pair of washers 419 and a nut 420 are fastened to the holder clutch 417.

In addition, a shift arm 431 is installed at the other side of the gear box assembly 201, and a bush 432 and a fork shaft 433 are installed at one side of the shift arm 431.

A shift fork 434 is installed at the fork shaft 433, a coater 436 and a washer 437 are installed at the shift fork 434, and a flat washer 440 is provided at the other side of the shift arm 431. The spring washer 441 and the nut 442 are fastened.

As shown in FIG. 7, the steering unit 400 is provided with a handle frame 451 at the rear of the mission unit 200 so as to freely adjust the power transmission device in left and right directions and in a vertical direction.

A rubber handle 452 is coupled to the front end of the handle frame 451, and an accelerator 453 for controlling the driving of the engine unit 100 is installed at one side of the handle frame 451, respectively. The brake handles 454 and 455 are installed to change direction in the left or right direction.

The brake handles 454 and 455 are provided with fixing pins 456 and 457 on the upper side and the lower side of the brake handles 454 and 455 so as to rotate by a predetermined angle on the handle frame 451.

Wires 458 and 460 are connected to the brake handles 454 and 455, respectively, a tool box 461 is installed in the handle frame 451, and the tool box 461 is a handle frame by bolts 462. It is fixed at 451.

In addition, the tool box 461 is provided with a case 463, the case 463 is installed to open and close the cover 464, the cover 464 is installed to be opened and closed by the hinge 465.

On one side of the handle frame 451 is installed a redirection assembly 470 for freely changing the direction of power transmission in the left and right or up and down direction, the redirection assembly 470 is easy to operate the handle frame 451. It is installed so as to freely rotate in the vertical direction and the left and right directions so that it can be adjusted.

8 is an exploded three-dimensional view showing a turning assembly of the power transmission device for walking type work machine according to an embodiment of the present invention.

As shown in FIG. 8, the redirection assembly 470 has a lower gear 473 formed on an upper surface of the frame 472, and a rotating bracket 474 is fixed to an upper surface of the lower gear 473. A shaft 473a is formed.

In addition, an upper gear 475 is formed on the bottom surface of the rotary bracket 474 to correspond to the lower gear 473, and side gears 476 are formed on both sides of the rotary bracket 474.

As shown in Figure 7 and 8, the handle height adjustment lever 477 is installed on one side of the redirection assembly, the handle height adjustment lever 477 is directed by the bearing 478 and washer 479 The switch assembly 470 is rotatably installed.

In addition, a plate 481 is installed on the other side of the redirection assembly 470, a case 482 is installed on the upper surface of the plate 481, and the case 482 is installed by bolts 483 and 484. do.

The emergency stop lever 490 is installed on the handle frame 451, and the emergency stop lever 490 allows the engine unit 100 to be emergency stopped during the operation.

9 is an exploded three-dimensional view showing an emergency stop lever of the power transmission device for walking type work machine according to a preferred embodiment of the present invention, Figure 10 is an emergency of the power transmission device for walking type work device according to a preferred embodiment of the present invention It is an exploded three-dimensional view showing the stop lever.

As shown in FIGS. 9 and 10, the emergency stop lever 490 has a rotation lever 491 having a predetermined length and a bracket 492 and the bracket 492 installed corresponding to the rotation lever 491. The switch 493 for emergency stop of the engine unit 100 is installed.

In addition, the bracket 492 is provided with a rotatable frame 494 rotatably installed, and the rotating frame 494 is provided with a stop plate 495 for advancing and moving the switch 493.

As shown in FIG. 5A, the power transmission unit 500 is installed at the rear of the mission unit 200 to transmit the rotational force generated from the engine unit 100 to a spray sterilizer, a water pump, a vine remover, and a lawn mower.

A line 511 is coupled to the front end of the shaft 217, an O-ring 512 is installed at one side of the line 511, and a spindle sleeve 513 is installed at the other side of the line 511.

In addition, a seal 514 and a second stopper washer 515 are installed on the spindle sleeve 513, a round nut 516 is fastened to the second stopper washer 515, and a key set is mounted on the spindle sleeve 513. 518 is coupled and the keyset 518 is firmly secured by a flatkey 517.

In addition, a washer 519 and a nut 520 are fastened to one side of the key set 518, and a power transmission assembly 530 is installed at the front end of the spindle sleeve 513 by a bolt 521.

The power transmission assembly 530 is coupled to a farm machine that requires power, such as a water pump, spray sterilizer, and the like to transmit the rotational force to the pump or lawnmower of the pump by the driving of the engine unit 100.

11 is an exploded three-dimensional view showing a power transmission assembly of the power transmission device for walking type work machine according to an embodiment of the present invention.

As shown in Figure 11, the power transmission assembly 530 has a fixed cover 531 fixed to the rear of the gear box assembly 201, the fixed cover 531 to a predetermined length to transmit a rotational force to the inside. Connecting bushing 532 coupled to the connecting shaft 532, the casing 535 is fastened to the outer surface of the fixing cover 531, the water pump or spray sterilizer to be transmitted to the connecting shaft 532 to be installed. It includes.

The fixing cover 531 is formed to a predetermined diameter, the connecting shaft 532 is formed with protrusions projected at a predetermined interval. In addition, the casing 535 is fastened so that the connecting shaft 532 is not exposed to the outside in a state in which a water pump or a spray sterilizer is connected, and a handle 536 protruding outward so as to be coupled to and detached from the fixing cover 531. ) Is formed.

In addition, the casing 535 is formed with a cover protrusion 537 protruding inward, the connecting bushing 540 is formed in a hollow having a predetermined length, the hollow is fitted into the projection of the connecting shaft 532 A key groove 541 is formed to be coupled, and a bolt hole 542 is formed in the connection bushing 540 to fasten a bolt or the like.

Although the invention made by the present inventors has been described in detail according to the above embodiment, the present invention is not limited to the above embodiment and can be modified in various ways without departing from the gist of the present invention.

100: engine part
200: mission
300: wheel drive unit
400: steering unit
500: power train

Claims (6)

The engine assembly is driven by the fuel supplied from the fuel tank, one side of the air purifier is installed so that the purified air is supplied to the rear, one side of the air purifier is an engine assembly is installed exhaust gas outlet so that the exhaust gas is exhausted from the engine assembly Is installed, a gasket is installed on one side of the engine assembly, a flange is installed on one side of the engine assembly, the flange is fixed by a bolt, the bearing is installed so that the rotational force of the engine assembly can be smoothly transmitted to the mission portion. A pressure discharge screw is installed on the flange to adjust the pressure of the engine assembly. An engine cover is installed on the upper portion of the engine assembly, and the engine cover is installed on the upper portion of the engine assembly. Minutes by bolts, flat washers and rubber washers And possibly the installation, and the headlamp installed to dissipate the front lights of the engine cover, the engine unit that has the front of the engine cover covering the engine bracket installation;
The engine unit is provided with a front support that is installed in front of the engine unit so as not to be moved forward when moving and rotating;
A power transmission assembly is provided to transmit the rotational force according to the driving of the engine unit to the wheel driving unit and the walker, and a gear box assembly is provided with a shaft coupled to the engine unit, and a clutch core is coupled to one side of the shaft, and further to the shaft. The gear shifting assembly rotated together with the shaft is coupled, and the clutch core is fastened to the washer, the bearing, the washer and the bolt to be firmly coupled to the shaft, and the shaft is provided with a position spring for adjusting the installation position of the shaft. The fixture is fixed so that the position spring does not deviate from the shaft, and a seal is installed on both sides of the shaft to maintain a closed state, a bearing is installed to smoothly rotate the shaft, and the gear shifting assembly transmits rotational force to the wheel driving unit. Double spur gears are engaged, A bevel gear shaft is installed inside the gear, the bevel gear shaft is coupled to the double spur gear by a flat key, and the bearing is coupled so that the bevel gear shaft rotates smoothly, and the reverse shaft is made to reverse the gear box assembly. Is coupled, a seal is installed on one side of the reverse shaft, a reverse gear push plate is coupled to the reverse shaft, a reverse gear is installed on the reverse shaft, and a seat spring is installed to stably couple the reverse gear. The reverse gear operating restriction sphere is installed in the reverse gear, and a reverse gear spring is installed between the reverse gear and the reverse gear operating restrictor, and a cotter and a nut are fastened so that the reverse gear spring is installed stably, and the shaft The other side of the bearing is coupled, one side of the bearing is provided with a first stopper washer, the first A gasket is installed on one side of the washer, and an oil sealing plate is installed on the gearbox assembly by bolts on one side of the gasket, and a position pin for adjusting the position of the shaft is installed on the gearbox assembly. Is coupled to the gearbox assembly by a spring washer and bolt, the clutch box is installed in the gearbox assembly, the clutch line is a mission portion that is fastened to the gearbox assembly to the nut;
Is installed on the bottom of the gear box assembly, the wheel drive unit is coupled to the tire to move the power transmission device, as well as a rotary soil is installed, the lower portion of the gear box assembly is a power transmission assembly is installed, the power transmission assembly The crank cabinet is installed so that the wheel output shaft is installed, a bevel gear is installed on the bottom of the gearbox assembly, a bearing is coupled to the bevel gear, a shaft gasket is installed between the gearbox assembly and the power transmission assembly, A crank cabinet is fixed to the power transmission assembly, and an oil drain plug is installed on the bottom of the crank cabinet to discharge oil, and the power transmission assembly is bolted to be firmly installed on the gear box assembly. Spring washers and flat washers are installed together, A shaft spacer, a washer and a bearing are installed on the wheel output shaft, and a working bevel gear that is engaged with the bevel gear shaft is installed on the wheel output shaft, a gasket which is in close contact with the crank cabinet is installed, and a bearing is installed on the wheel output shaft. A flange is installed on an outer surface of the crank cabinet, a gear box guard for stably coupling the wheel output shaft is installed on the flange, an oil seal is provided on the inner surface of the gear box guard, and the gear box guard is a flange bolt and a spring washer. A wheel drive unit installed in a flange by a flat washer;
A lower gear formed on an upper surface of the handle frame to rotate the handle frame in a vertical direction and a horizontal direction with respect to the mission unit, and a fixed shaft formed at a predetermined height such that a rotation bracket is coupled to an upper surface of the lower gear; A rotation bracket having an upper gear formed at a bottom thereof so as to correspond to the rotation gear, and a turning assembly including side gears formed at both sides of the rotation bracket;
A steering unit installed at the rear of the mission unit to move and rotate the wheel driving unit in a desired direction;
The steering unit has a rotation lever formed to a predetermined length, a bracket installed to correspond to the rotation lever, a switch installed on the bracket to emergency stop the engine unit, a rotation frame rotatably installed on the bracket, the switch An emergency stop lever configured as a stop plate installed on the rotating frame to advance back and forth to emergency stop driving of the engine unit;
And a power transmission unit installed at the rear of the mission unit to transmit the rotational force of the mission unit to a walking type work machine.
The mission unit; a power transmission gear installed in the mission unit to transmit the rotational force of the engine unit to the wheel driving unit and the power transmission unit at the same rotational speed;
And a rear support provided at the rear of the mission unit to prevent the power transmission device from being conducted backward.
The rear support may include a central shaft adapter installed at the rear of the mission unit;
A central shaft installed on the central shaft adapter such that height is adjustable;
And a rear assembly installed between the mission unit and the central axis adapter.
Power transmission device for walking type work machine, characterized in that.
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The power transmission unit further includes a power transmission assembly installed to transmit rotational power to a water pump, a spray sterilizer, and a lawn mower.
The power transmission assembly has a fixed cover fixed to the rear of the gear box assembly;
A connecting shaft installed at a predetermined length to transmit a rotational force to the inside of the fixing cover;
A casing fastened to an outer surface of the fixing cover;
And a connecting bushing coupled to the connecting shaft so as to transmit rotational force to a pump or spray sterilizer.

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