KR101125461B1 - Ergonomic seat for combine - Google Patents

Abstract

The present invention can flexibly change the position and structure of the combine sheet according to the posture change of the operator by adjusting the rotation angle, the tilt of the combine sheet and the tilt of the additional seat plate to stably support the worker and to distribute weight to the body fatigue The present invention relates to a seat for an ergonomic combine combine to reduce the work, to enable long time work, and to improve work efficiency. The combine sheet of the combine seat including a seat and the backrest is installed in the combine driver's seat, the rotation angle adjustment unit for rotating the combine sheet, and the tilt control unit for adjusting the inclination of the combine sheet And, the inclination of the seat of the combine sheet can be adjusted It is characterized in that the seat plate comprises a tilt adjustment.

Description

Ergonomic Combine Sheets {ERGONOMIC SEAT FOR COMBINE}

The present invention relates to a combine sheet, and more particularly, it is possible to flexibly change the position and structure of the combine sheet according to the change of the posture of the operator through the rotation angle, tilt adjustment and additional seat tilt adjustment of the combine sheet. The present invention relates to an ergonomic combine sheet capable of stably supporting and dispersing weight to reduce physical fatigue, to allow a long time work, and to improve work efficiency.

In the case of mowing work using the combine, the combine driver checks the alignment state of the cutting blade and rice installed at the front of the combine while being in the driver's seat, operates various levers, and checks the combine left and right and rear to change directions. Should be done.

In order to check the alignment of the cutting blade and rice, the driver usually needs to observe the state of the lower front part of the combine, so he is standing with his back to the driver's seat. Will be in a position to twist.

If such a posture is taken for a long time, there is a concern that it may cause the body in terms of biomechanics and cause musculoskeletal disorders. Nevertheless, it is necessary to take such a posture that the combine seats that have been conventionally designed are designed to be able to move only the height of the seat itself or the front and rear positions only, so that the driver's posture or the back that is taken by the driver during the combine work can be twisted laterally or rearwardly. This is because there was a problem that can not support the posture.

In addition, in order to improve work efficiency and promote driver's comfort and safety, it is important to design a combine seat to cope with the driver's body structure to support the driver's posture and help control the posture. The combine sheet is used as it is used in a foreign country, or arbitrarily produced without any mechanical statistics, there is a problem that does not fit the body size of the domestic farmer, the main user of the combine.

The present invention is to solve the above problems to provide an ergonomic combine sheet that can support the posture of the worker flexibly and stably in response to various postures or posture changes that the worker takes during the combine operation The purpose is.

Another object of the present invention is to provide an ergonomic combine sheet having a length, width, height, and back height of a seat plate suitable for the body shape of a domestic farmer who is a main user of the combine.

The combine seat of the present invention includes a seat plate and a backrest and is installed in the combine driver's seat so as to support various postures taken by the combine driver in the working process and to flexibly control the change of posture. And a rotation angle adjusting unit capable of rotating the sheet for seating, a tilt adjusting unit for adjusting the tilt of the combine sheet, and a seat plate tilt adjusting unit for adjusting the tilt of the seat plate of the combine sheet. .

Here, the rotation angle adjustment unit is formed in the lower portion of the seat plate and the coupling portion protruding so that the combine sheet can be installed in the combine, coupling guide portion having a receiving space formed in the combine and the, And a compression ring part installed to surround the outer circumferential surface of the coupling guide part, a fastening part binding to engage the compression ring part, and a locking lever installed on the fastening part to press the fastening part by rotation.

In addition, the inclination adjustment unit is coupled to the lower front of the seat plate and the through hole is provided, a through rod for penetrating the through hole to form the pivot axis of the combine sheet, and the combine for the combine sheet It includes a tilt control lever for adjusting the tilt angle of the.

In addition, the seat plate inclination adjusting unit is connected to the seat plate and the protrusion is formed, the support surface having an insertion space into which the protrusion is inserted, and supports the seat plate with respect to the combine, and the inclination of the seat plate in engagement with the lex gear And a lift lever to allow adjustment.

In addition, the length of the seat plate is 367.0mm to 454.2mm, the width of the seat plate is 377.1mm to 445.7mm, and the height of the seat plate is from the bottom of the combine driver's seat to meet the situation of the domestic farmer, the main user of combine in the country It is preferable that they are 352.2 mm-405.1 mm, and the height of the said backrest is 352.6 mm-470.2 mm.

According to the present invention, the combine worker takes a variety of postures such as taking a standing posture to observe the alignment of the cutting blade and rice, or twisting the waist to secure the side or rear view, By adjusting the rotation angle, tilt and additional tilt of the seat, the position and structure of the combine seat can be flexibly changed according to the change of posture of the operator. Sheets for ergonomic combines are provided that enable and improve work efficiency.

In addition, by having the length, width, height and height of the back of the seat based on the physical statistics index of the domestic farmer, the combine sheet for domestic farmers, the main user of the combine in Korea, is provided, which improves the efficiency of combine work and Provided are sheets for an ergonomic combine that can contribute to the prevention of musculoskeletal disorders.

1 is a side perspective view of an ergonomic combine sheet according to a first embodiment of the present invention.
2 is a front perspective view of an ergonomic combine sheet according to a first embodiment of the present invention.
FIG. 3 is a cross-sectional view taken along the line AA ′ of FIG. 2.
Figure 4 is a view showing the height adjustment, front and rear position adjustment and rotation angle adjustment operating state of the combine sheet according to the first embodiment of the present invention.
5 is a view showing a tilt adjustment operating state of the combine sheet according to the first embodiment of the present invention.
6 is a view showing a backrest tilt adjustment operating state of the combine sheet according to the first embodiment of the present invention.
7 is a view showing the seat plate tilt adjustment operating state of the combine sheet according to the first embodiment of the present invention.
8 is a perspective view of an ergonomic combine sheet according to a second embodiment of the present invention.

Hereinafter, the ergonomic combine sheet 100 according to the first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a side perspective view of a combine sheet according to a first embodiment of the present invention, FIG. 2 is a front perspective view of a combine sheet according to a first embodiment of the present invention, and FIG. 3 is a line AA ′ of FIG. 2. It is sectional drawing which showed the cross section cut along.

1 to 2, the combine sheet 100 according to the present embodiment rotates the height adjusting unit 400 that can adjust the height of the combine sheet 100, and the combine sheet 100. Rotation angle adjustment unit 500, the front and rear position adjustment unit 600 that can adjust the front and rear position of the combine sheet 100, and the tilt adjustment to adjust the inclination of the combine sheet 100 It is possible to adjust the inclination of the seat 700, the backrest tilt adjustment unit 800 that can adjust the inclination of the backrest 300 of the combine sheet 100, and the seat plate 200 of the combine sheet 100. It includes a seat plate tilt adjustment unit 900.

A coupling part 410 protruding from the seat plate 200 so that the combine sheet 100 can be installed in the combine, and a receiving space 421 coupled to the combine and accommodating the coupling part 410. Coupling guide portion 420, and the compression ring portion 430 is installed to surround the outer peripheral surface of the coupling guide portion 420, and the fastening portion 440 to bind to engage the compression ring portion 430 and In addition, the fastening part 440 is installed at the same time by the locking lever 450 for pressing the fastening part 440 by rotation to perform the functions of the height adjusting part 400 and the rotation angle adjusting part 500 at the same time. can do.

As shown in FIG. 3, the locking lever 450 is formed to have a different radius with respect to the rotation shaft so that the locking portion 440 can be determined by rotation.

In addition to this configuration, the height and rotation angle of the seat plate 200 can be continuously changed, such as an electronic control means for controlling the motor and the driving of the motor, and provided with means for fixing the seat plate 200 at a predetermined height and a predetermined angle. Any configuration is possible.

The front and rear position adjusting unit 600 adjusts the front and rear positions of the combine sheet 100 in the driver's seat of the combine. The front and rear position adjusting unit 600 is a rail (610) is installed in the lower portion of the seat plate 200 so that the seat plate 200 is movable in the front and rear direction, and the rail (610) by pressing the coupling portion of the seat plate 200 rail ( A locking lever 620 for limiting the movement of the seat plate 200 on the 610 is included.

The inclination adjusting part 700 adjusts the angle of the combine sheet 100 to the horizontal plane by allowing the seat plate 200 and the backrest 300 to be integrally inclined with respect to the horizontal plane. In the present embodiment, the inclination adjusting part 700 is coupled to the lower front of the seat plate 200 and has a through hole provided therein, and through the through hole of the fastener 710 of the combine sheet 100 It includes a through bar 720 and a tilt adjustment lever 730 is coupled to the through bar 720 to adjust the tilt angle of the combine sheet 100 for the rotation shaft.

The backrest tilt adjusting unit 800 adjusts the tilt angle of the backrest 300. The fitting rod 810 connected to the seat plate 200 and penetrating the backrest to form a pivot, and the backrest tilt adjusting lever 820 connected to the fitting rod 810 to adjust the tilt angle of the backrest 300. Include. It may be further provided with an elastic member, such as to provide an elastic force to the backrest 300 to be easily unfolded to the original position when folded.

The seat plate tilt adjusting unit 900 allows only the seat plate 200 to tilt in the front-rear direction regardless of the change in the tilt of the backrest 300. In the present embodiment, the first adjusting part 910 and the second adjusting part 920 installed on the side of the seat plate 200 to control the inclination of the seat plate 200 by adjusting the height of the front and rear parts of the seat plate 200, respectively. It includes. The first adjusting unit 910 and the second adjusting unit 920 are both connected to the seat plate, the rake gear 930 is formed with a protrusion 931, and has an insertion space 941 into which the protrusion 931 is inserted, the seat plate A support surface 940 for supporting the combine 200, the lifting gear 940 is installed to be engaged with the lifting lever 950 that can adjust the inclination of the seat plate.

Hereinafter, the operation of the combine sheet 100 according to the present embodiment will be described with reference to the accompanying drawings.

Figure 4 is a view showing the height adjustment, the rotation angle adjustment, and the front and rear position operating state of the combine sheet according to the second embodiment of the present invention, Figure 5 is a view of the combine sheet according to the second embodiment of the present invention 6 is a view illustrating a tilt adjustment operation state, and FIG. 6 is a view illustrating a tilt adjustment operation state of the back seat of the combine sheet according to the second embodiment of the present invention, and FIG. 7 is a combine sheet according to the second embodiment of the present invention. Figure showing the seat plate tilt adjustment operating state of the.

Referring to FIG. 4, when the height of the combine sheet 100 is to be lowered, the locking lever 450 is released, the seat plate 200 is lowered to a desired height, and the locking lever 450 is coupled again to the coupling part 410. ) And the coupling guide part 420 may be fixed to lower the height of the combine sheet 100. Here, it may further include an elastic portion accommodated in the receiving space 421 to apply elasticity to the coupling portion 410, the height of the seat plate 200 by the elasticity provided by the elastic portion when the locking lever 450 is released It rises again.

After releasing the lock lever 450 and rotating the seat plate 200 in a desired direction, the lock lever 450 is again coupled to fix the coupling part 410 and the coupling guide part 420 to the combine sheet 100. You can adjust the rotation angle of). When changing the direction of the combine operation or operation of the control lever is required to secure the side or rear view, in this case, the combine sheet 100 is generally installed to face the front of the combine, so that the back to twist the waist to take a stance do. According to this embodiment, by rotating the rotation angle of the combine sheet 100 in the direction for securing the field of view, even if the body does not face the front of the combine by the seat plate 200 and the backrest 300 to support the back, hips, thighs of the operator You can do it so you don't get in the spine. Therefore, by maintaining an uncomfortable posture for a long time there is an advantage that can prevent the occurrence of musculoskeletal disorders.

The front and rear position adjustment of the combine sheet 100 may be performed by releasing the locking lever 620, moving the seat plate 200 along the rail 610, and binding the locking lever 620 again. By moving the position of the combine seat 100 forward or rearward, the position of the combine seat 100 can be adjusted according to the height or leg length of the operator in the driver's seat.

Referring to FIG. 5, the angle of the forward and backward directions of the combine sheet 100 may be adjusted by rotating the tilt control lever 730. Workers should have a high field of view to ensure that the blade is aligned with rice. In the case of the existing combine driver's seat, sitting in the combine seat is a inconvenience that the field of view shielding caused by the combine device occurs, in this case, the operator generally does not use the combine seat, and the mowing operation while taking a standing posture It was mostly.

The combine sheet 100 according to the present embodiment has an advantage of supporting the back, buttocks, and thighs of the worker by tilting the combine sheet 100 forward even when the worker takes a standing position. In addition, changing the inclination of the combine sheet 100 does not affect the structure formed by the seat plate 200 and the backrest 300, so that the operator is in accordance with the posture that the operator takes while maintaining the support of the body according to the body size Make your work more comfortable.

Referring to FIG. 6, the tilt of the backrest 300 may be adjusted by rotating the backrest tilt control lever 820. Since the inclination of the backrest 300 can be adjusted irrespective of the inclination of the seat plate 200, in particular, when the operator takes a standing posture, by adjusting the inclination of the backrest 300 to correspond to the angle at which the worker leans back or straightens. Can support the spine The angle of rotation of the backrest 300 may be completely folded because there is no limitation unless it is disturbed by the seat plate 200 or the outer wall of the combine.

Referring to FIG. 7, additional tilt adjustment of the seat plate 200 may be performed by operating the lifting lever 950. When operating the lifting lever 950 in the front, the lex gear 930 is moved, because the protrusion 931 connected to the rake gear 930 is limited to the insertion space 941 of the support surface 940 is moved. The front of the seat plate 200 is raised while moving along the shape of the insertion space 941. It is also possible to raise the rear portion of the seat plate 200 in the same manner.

When the worker takes a standing posture, by operating the tilt control lever 730, the combine seat 100 may be tilted forward to support the posture of the worker. In this case, however, as the inclination angle of the combine sheet 100 increases, the weight of the worker is concentrated on the backrest 300 so that the support effect does not occur on the hip and thigh. In this case, by raising the front part of the seat plate 300, the seat plate 200 can additionally support the upper portion of the operator's hamstring, so that the weight of the worker can be distributed to both the backrest 300 and the seat plate 200. The operator's load is distributed evenly on the backrest 300 and the seat plate 200 by manipulating the first adjusting part 910 and the second adjusting part 920 in detail according to various postures that the worker takes according to the type of work. By changing the structure of the backrest 300 and the seat plate 200 so that the worker can work in a more comfortable posture.

The combine worker takes a variety of postures such as taking a standing position to observe the alignment of the cutting blade and rice, or twisting the waist to secure the side or rear view, according to the present invention the height of the combine seat Support the operator stably because the position and structure of the combine seat can be flexibly changed according to the posture of the operator by adjusting the angle of inclination, tilt of the combine seat and additional tilt of the seat, as well as adjusting the front and rear position and backrest angle. Combine sheets are provided to reduce body fatigue, allow long hours of work and improve work efficiency.

Hereinafter, a combine sheet 100 according to a second embodiment of the present invention will be described in detail with reference to the accompanying drawings.

8 is a perspective view of a combine sheet according to a second embodiment of the present invention.

Referring to FIG. 8, the length 210, the width 220, the height 230 of the seat plate 200 of the combine sheet 100 according to the present embodiment, and the height 310 of the backrest 300 may be defined by Korean farmers. The length 210 of the seat plate 200 is 367.0 mm to 454.2 mm, the width 220 of the seat plate 200 is 377.1 mm to 445.7 mm, and the height 230 of the seat plate 200 is adjusted to the body size. ) Is 352.2 mm to 405.1 mm from the bottom of the combine driver's seat, and the height 310 of the backrest 300 is 352.6 mm to 470.2 mm.

Each figure can be derived from the average anthropometric statistics of the combine main user.

Currently, since the mechanization rate of rice farming reaches more than 90%, the main user of the combine is the majority of the male population working on rice farming. Table 1 shows the statistics of the 2009 statistics on the distribution of farmers by male age in South Korea.Refer to Table 1, in the age-specific distribution of farmers engaged in rice farming among Korean farmers, the population aged 40 to 69 is 82 Occupies%

By age Population distribution (persons) 20-24 years old 48 25-29 years 312 30-34 years 1,554 35-39 years old 6,627 40-44 years old 16,891 45-49 years 34,243 50-54 years old 55,989 55-59 years 58,398 60-64 years 84,519 65-69 years old 102,806 70-74 years old 116,015 75-79 years 68,627 80 years old or older 25,458

Therefore, the combined use rate of the population over 70 years old will be low, so the main user of the combine is a male farmer who is engaged in 40-69 years old rice farming.

In addition, according to the autumn 2007 clothing journal, the body size of male farmers in Korea and the average body size of males in Korea are not significantly different. Table 2 is a data provided by the size Korea, showing the average value of the body size of each item 40-69 years old male in Korea.

Item Average (mm) Sit buttock horizontal length (PB) 458.80 Seated hip width (H) 342.84 Sit height of sitting (P) 386.62 Seated Shoulder Height (S) 587.73

When calculating the dimensions of the combine sheet 100 suitable for the body shape of domestic farmers with reference to the data of Table 2, the length 210 of the seat plate 200 of the combine sheet 100 is (P + 20) × cos30 to ( P + 20) × cos5, 367.0 mm to 454.2 mm, the width 220 of the seat plate 200 is 0.80 × PB to 0.99 × PB, and therefore 377.1 mm to 445.7 mm, and the height 230 of the seat plate 200 is 1.1. Since it is xH-1.3 x H, it is 352.2 mm-405.1 mm from the bottom of a combine driver's seat. Further, the height 310 of the backrest 300 is from 352.6 mm to 470.2 mm since it is 0.6 × S to 0.8 × S.

According to the combine sheet 100 according to the present embodiment by setting the dimensions of the back plate 200 and the backrest 300 of the combine based on the body size of the domestic farmer combine sheets for the combine of the main users of the domestic combine 100 is provided. Through the structure of the seat plate 200 and the backrest 300 designed to correspond to the body size of the worker, it is possible to stably support the body of the worker during the combine operation. There is no, there is no burden on the body during use can prevent musculoskeletal disorders, there is provided a combine sheet 100 that can improve the work efficiency.

100: combine sheet 200: seat
210: length of seat plate 220: width of seat plate
230: height of seat plate 300: backrest
310: height of the backrest 400: height adjustment
410: coupling portion 420: coupling guide portion
421: accommodation space 430: compression ring
440: fastening portion 450: locking lever
500: rotation angle adjustment unit 600: front and rear position adjustment unit
610: rail 620: locking lever
700: inclination adjustment unit 710: clamp
720: through rod 730: tilt adjustment lever
800: backrest tilt adjustment unit 810: fitting rod
820: tilt back adjustment lever 900: seat tilt adjustment unit
910: first control unit 920: second control unit
930: Rex gear 931: protrusion
940: support surface 941: insertion space
950: lifting lever 951: projection

Claims (5)

In the combine seat that includes a seat plate and a backrest and is installed in the combine driver's seat,
A rotation angle adjusting unit capable of rotating the combine sheet;
An inclination control unit capable of adjusting inclination of the combine sheet;
An ergonomic combine sheet comprising a seat plate inclination control unit capable of adjusting the inclination of the seat plate of the combine sheet. The method of claim 1,
The rotation angle adjustment unit is formed in the lower portion of the seat plate protruding the coupling portion protruding so that the combine sheet can be installed in the combine, and a coupling guide portion formed in the combine to accommodate the coupling portion, and the coupling guide An ergonomic combine comprising a compression ring portion installed to surround the outer circumferential surface of the portion, a fastening portion for engaging the compression ring portion, and a locking lever installed on the fastening portion and pressing the fastening portion by rotation. Sheet. The method of claim 1,
The inclination adjustment part is coupled to the lower front of the seat plate and the through-hole is provided, a through bar for penetrating the through hole to form the pivot axis of the combine sheet, and coupled to the through bar inclined the combine sheet An ergonomic combine sheet comprising a tilt control lever for adjusting the angle. The method of claim 1,
The seat plate inclination adjusting unit is connected to the seat plate and has a revolving gear having a protrusion and an insertion space into which the protrusion is inserted, and a support surface for supporting the seat plate with respect to the combine, and engaging the lex gear to adjust the inclination of the seat plate. An ergonomic combine sheet comprising a lift lever to hold the lifter. The method of claim 1,
The length of the seat plate is 367.0 mm to 454.2 mm, the width of the seat plate is 377.1 mm to 445.7 mm, the height of the seat plate is 352.2 mm to 405.1 mm from the bottom of the combine cab, and the height of the backrest is 352.6 mm to 470.2 It is an mm, The sheet for ergonomic combines characterized by the above-mentioned.

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