JPH04113541U - combine - Google Patents

Abstract

(57) [Summary] [Purpose] To make reaping work with a combine more comfortable, to make it easier to store the machine, and to facilitate inspection and maintenance of the engine. [Structure] The cabin 6 is supported with respect to the fuselage frame 3 so that it can be raised and lowered freely, and the engine 7 is disposed at the rear of the cabin, and when the cabin is raised, a space is formed between the lower part of the cabin and the front of the engine. do

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a combine harvester that performs reaping and harvesting work. Concerning the layout of the combine.

0002

[Conventional technology]

Conventionally, the threshing device was mounted on one side of the machine with the traveling device, and the area around the cockpit was mounted on the other side. A cabin surrounding the cockpit is provided, and a preprocessing device is installed in front of the cabin, while a cabin surrounding the cockpit is provided. A combine harvester with an engine installed below the Already known. In addition, the top part of the cabin and the cockpit can be moved and adjusted in the vertical direction. A combine harvester is already known from Japanese Patent Laid-Open No. 63-219317.

0003

[Problem that the idea aims to solve]

Among the known combines, the former has a cabin fixedly installed around the cockpit. In order to monitor the working status of the pre-processing section, the cockpit is set high and there is no need to stand up. Remove the top of the cabin so that the operator's head does not hit the ceiling even when in position. It must be higher than grain equipment, grain tanks, etc. Therefore, the combine Due to the large height of the vehicle, there are restrictions when storing it in a garage or loading it onto a truck. There is a problem of being able to In addition, in consideration of the maintenance of the engine installed below the cockpit, the engine If the net can be folded down to the outside of the fuselage, the structure will be complicated, and the cabin and The gaps between the nets prevent noise from entering the cabin or prevent insulation from being maintained during cooling. The problem is that there is no. Furthermore, the latter allows the ceiling part of the cabin and the cockpit to be moved and adjusted in the vertical direction. This solves the vehicle height problem mentioned above, but the engine installed at the rear of the cabin The engine can be partially maintained from the side by opening and closing the engine cover on the outside of the aircraft. The parts on the back side where engine failures often occur, such as the fuel injection pump, are marked. There are maintenance and serviceability problems such as inspection and repair being impossible and having to be done by removing the cabin. Ru. Moreover, this one also has quite a gap between the cabin body and the ceiling part. Therefore, there are problems with the above-mentioned noise and poor insulation during cooling.

0004

[Means to solve the problem]

The purpose of this invention is to solve the above problems, and it is equipped with a traveling device. A cabin with a threshing device mounted on one side of the aircraft frame and a cockpit on the other side. In addition, a pre-processing device is installed in front of them, and the cabin is attached to the fuselage frame. The engine is placed at the rear of the cabin, and the engine is placed at the rear of the cabin. When the cabin rises, a space is formed between the bottom of the cabin and the front of the engine. It is characterized by being configured to allow for

[0005]

[Effect]

According to the present invention, the grain culm harvested and transported by the pre-processing device is supplied to the threshing device, and The harvested grains are stored in a grain tank. At this time, if the cabin is raised, the operator will be able to control the You can now see the entire pretreatment equipment while sitting in your seat, making it easier to align rows, etc. It can be carried out. Also, it can be driven on the road, stored in a garage, or loaded onto a truck. When necessary, the cabin can be lowered to the top of the grain tank. The vehicle height of the Nbine can be kept low. Also, when the cabin is raised from a lowered position, the bottom of the cabin is exposed to the engine. The front of the engine installed at the rear can be moved upwards from the top surface. will be released. In this case, the engine has a fuel injection pump on the front side, which is the cabin side. In addition to the fuel system, the intake and exhaust systems are located at the rear of the engine. Inspection and maintenance of the fuel system, which accounts for most of the causes of malfunctions and failures, is due to the rise of the cabin. This can be done very easily from the open space below.

[0006]

【Example】

One embodiment of the present invention will be explained based on the drawings. As shown in FIGS. 1 and 2, The engine 1 is located on the left side of the fuselage frame 3, which has left and right crawler running devices 2, 2. A threshing device 4 is mounted, and on the right side of the threshing device 4 there is a key with a driver's seat 5 sequentially from the front. The cabin 6, engine 7, and radiator cooling system 8 are installed, and the front has an abbreviation of the width of the aircraft. Reaping is carried out on the whole weeding body 9a, the pulling device 9b, the reaping device 9c, and the threshing device 4. A pre-processing device 9 consisting of a grain culm conveying device 9d etc. for conveying grain culms is mounted so as to be vertically movable. are doing. Further, a desk-shaped cutter 10 is attached to the rear of the threshing device 4, and the above-mentioned The upper parts of the threshing device 4, engine 7, and radiator cooling device 8 are A grain tank 11 is constructed using appropriate supports. In addition, 12 is a discharge auger, 13 is a fuel tank.

[0007] Here, the power transmission device for the pretreatment system, threshing system, and traveling system will be explained below. Then, as shown in FIGS. 3 and 4, the machine frame 3 at the front lower part of the threshing device 4 A counter case 14 that constitutes an intermediate transmission device of the engine 7 is fixedly installed. . The input shaft 15 supported by the counter case 14 has universal joints 16, 16 on both sides. The output pulley of the engine 7 is connected via a transmission shaft 17 having a It is connected to Lee 7a. Furthermore, the counter case 14 is equipped with a hydraulic continuously variable transmission. A pump 19 and a working hydraulic pump 20 are removably fixed, and the input shaft 15 The power transmitted from the gear 21 fixed to the input shaft 15 to the outer diameter of the hollow shaft 22 is fixed to the outer diameter of the hollow shaft 22. The speed is increased and transmitted to the gear 23, and the hollow shaft 22 is provided at its inner diameter. The pump input shaft 19a of the hydraulic continuously variable transmission and the working hydraulic port are attached to the spline section. The input shafts 20a of the pumps 20 are fitted to drive each of them. The gear 24 on the other side fixed on the hollow shaft 22 is the gear 24 fixed on the transmission shaft 25. 6, the transmission shaft 25 extends toward the engine 7, and its terminal end A threshing drive pulley 27 is fixed to. In addition, the transmission shaft 25 is held by the holding cylinder 28. One end of the holding cylinder 28 is connected to the counter case 14, and the other end is connected to the aircraft body. It is fixed to frame 3. Furthermore, the threshing drive pulley 27 is connected to a pulley located above. The belt 30 drives the belt 30. The transmission shaft 31 of the pulley 29 is connected to the threshing device 4. Drives a bevel gear installed in a gearbox (not shown) and finally drives the handling cylinder shaft to rotate. do.

[0008] A hydraulic oil tank 32 is installed in front of the threshing device 4, and the operation inside this tank is Oil is supplied to a charge pump integrated with the pump 19 of the hydraulic continuously variable transmission. It will be done. Although a detailed explanation of the hydraulic continuously variable transmission itself is omitted, it is a hydraulic servo mechanism. The control arm 33 that changes the angle of the swash plate of the pump 19 is located inside the cabin 6. The arm 33 is moved forward from the neutral position N. High pressure hose 34 connected to pump 19 by operating to side F or reverse side R , 35 and the amount of pressure oil discharged. In addition, at the lower front of the fuselage, approximately at the center, there is a traveling transmitter supported by the fuselage frame 3. A transmission case 36 is provided on the upper left side of the transmission case 36. A motor 37 of a hydraulic continuously variable transmission is connected to the other ends of the high pressure hoses 34 and 35. is permanently installed. The motor 37 receives pressure oil from the pump 19 and stops or rotates in forward and reverse directions. and the gear type sub-transmission device installed inside the transmission case 36 changes the transmission as appropriate. The accelerated power is transmitted through the center gear and side clutch installed on the steering shaft, similar to the conventional device. The transmission is transmitted to the gear and the left and right running axles 38, 38, and the sprocket provided on the axle. The crawler traveling devices 2, 2 are driven by the wheels 39, 39. Note that the pump 19 and motor 37 are lubricated and cooled by the charge pump. The hydraulic oil is supplied to an oil cooler installed in the front of the radiator cooling device 8 using a hose (not shown). -40, 40 and is returned to the hydraulic oil tank 32. Also, the transmission Behind the above-mentioned motor 37 on the upper left side of the engine case 36 is a pre-treatment transmission pulley. A pulley 41 is attached to the pre-processing section 9 via a belt 42 from the pulley 41. Power is transmitted to power pulley 43.

[0009] Next, to explain the structure of the cabin that houses the cockpit, Figures 1 to 3, As shown in FIG. It consists of a physically attached monocoque structure. As a result, cabin 6 By closing the doors and windows, it is possible to create a sealed room that is completely independent from the outside. In addition to blocking the noise generated from the engine 7 or the working area, a cooler placed indoors Even when operating the air conditioner to cool the room, work in a comfortable environment that maintains insulation from the outside. It can be carried out. In addition, a hydraulic actuator is attached to the frame 6b that is integrally attached to the back of the cabin 6. The piston 44a of the eater 44 is fixed, and the front and rear rollers 45... and the left A right roller 46 is pivotally supported so that its position can be freely adjusted. Furthermore, the front and rear rollers 45... , is inserted into the rear masts 47, 47 erected from the fuselage frame 3, and the left Right rollers 46 are pressed against the sides of the masts 47, 47. Therefore, the airframe The hydraulic actuator 44 with one end of the cylinder 44b fixed to the arm 3 is operated. The cabin 6 moves up and down using the rollers 45, 46 and the mast 47 as guides. It is free.

0010 Here, the cabin 6 is moved to an electromagnetic position (not shown) using a lift lever 6c provided in the control section. When the switching valve is switched to raise the The entire preprocessing device 9 can be viewed from the front. Therefore, the reaping work state of the pre-processing device 9 Not only can you monitor it at a glance, but you can also make direction corrections such as row alignment in a comfortable posture. Also , when driving on the road, the cabin 6 is raised to the intermediate position or lowered to the lower position. If you drive while holding it, you will be able to drive stably with a relatively low center of gravity, and you will also be able to drive safely in the garage. When storing the tank in a tank or loading it onto a truck, the top surface of the grain tank 11 or By lowering cabin 6, the overall height of combine harvester 1 can be kept low. It is possible to load combine harvester 1 onto a low-floor truck without leaving it exposed. Even if it is not loaded, it is possible to transport combine harvester 1 by loading it on a normal type truck. can. Moreover, when the cabin 6 is moved from the lowered position to the raised position, the cabin 6 Since the bottom of engine 6 moves from A to B, the key should be removed from the top of engine 7 installed at the rear. The bottom of the cabin 6 is located above, and the bottom of the cabin 6 and the engine 7 An open space is formed between the front surface and the front surface. In this case, the engine 7 is connected to the cabin 6 side. A fuel system such as a fuel injection nozzle and a fuel injection pump 7b is arranged on the front side, and Since the intake and exhaust systems are located on the rear side, engine 7 malfunctions or failures are a major cause. The maintenance of the fuel system, which occupies half of the space, can be done very easily from the open space created by the rise of cabin 6. It can be done easily. Here, a cover is provided on the front side of the engine 7, and This may be removed when inspecting and servicing engine 7, if necessary. be able to. Furthermore, 6d is the front glass, 6e is the back glass, and 6f and 6g are the doors. A side glass window is provided at 6h, and 6i is an auxiliary step.

[0011] Furthermore, on the fuselage frame 3 below the cabin 6, there is a switching valve unit for hydraulically operated equipment. A counter that transmits power to the lateral feed spiral shaft 12a of the discharge auger 12 together with the counter 48. -The case 49 is fixed. Take it out from the output pulley 7c on the other side of the engine 7. The generated power is transmitted to the input pulley 49a of the counter case 49 via the belt 50. is reached, the direction is changed by the bevel gear installed in the counter case 49, and the output is The input pulley 12 of the lateral feed spiral shaft 12a is connected from the pulley 49b via the belt 51. transmitted to b. Further, the transverse feed spiral shaft 12a connects the middle of the masts 47, 47. It is pivotally supported by a frame 47a via a metal 52.

0012 Furthermore, to explain the engine and radiator cooling system, Fig. 1, Fig. 5, Fig. 6, the engine 7 and the radiator cooling system 8 are mounted on the fuselage frame 3 in the front and back. The engine 7 has the aforementioned fuel injection on the front side. A fuel system such as an injection nozzle and a fuel injection pump 7b is arranged, and an intake/exhaust system is installed on the rear side. are arranged, and the exhaust pipes 7d, 7d... are gathered together and connected to the airframe of the radiator cooling system 8. It is connected to a muffler 53 provided inside. The radiator cooling device 8 is a radiator A suction fan 8c surrounded by a fan shroud 8b is provided inside the main body 8a. The suction fan 8c is a cover that covers the muffler 53 fixed to the aircraft frame 3. The drive shaft 8d is supported by a bracket 55 extending from the bracket 54. drive A drive pulley 8e is fixed to the end of the shaft 8d, and is connected to the output pulley 7 of the engine 7. A is transmitted via a belt 56. Also, on the outside of the radiator body 8a is equipped with an air duct 8f, and inside the air duct 8f there is an engine 7 and a hydraulic engine. Oil coolers 57, 40, 40 of the gear transmission and a cooler installed inside the cabin 6 Each capacitor 58 is provided with a dustproof filter on the outside. -59 is provided.

[0013] Additionally, on the outside of the engine 7 and radiator cooling system 8, as shown in Figure 1, Each has a side cover that can be opened and removed, and the cover facing the engine 7 60a and the rear cover 60c rotate on vertical supports, and the radiator cooling system The cover 60b facing the housing 8 is configured to be detachable by pin engagement. Especially when A wire mesh 61 can be attached and detached to the bar 60b at a portion facing the above-mentioned dust filter 59. It is installed on. Furthermore, a cover 62a covering the side of the grain tank 11, which will be described later, Of 62b and 62c, the cover 62b provided above the radiator cooling device 8 is located downward. The cover 62b has an airtight structure that only opens the outside air. The water flows from the introduction hole 63 into the cover 60b via a passage provided below, and further as described above. It passes through the metal mesh 61 and the dust filter 59, and then enters the radiator body 8a and the oil cooler. 40, 57, and condenser 58. In addition, 8g is the radiator's riser. 8h is the radiator cooling water inlet cap, 8i is the alternator ter, and 8j is the oil filter.

[0014] The structure of the grain tank section will be explained below as shown in Figs. 1, 2, and 6. The grain tank 11 is configured as an inverted L-shaped grain storage chamber, and is used for threshing. The front end of the storage chamber 11a on the left side as seen on the device 4 is located above the supply port 4a of the threshing device 4. However, the rear end extends to the rear surface of the cutter 10. Also in front of storage room 11b on the right side The end connects the engine 7 and radiator cooling from the rear of the mast 47 installed at the back of the cabin 6. It passes through the upper part of the cooling device 8 and extends to the extension line of the cutter 10 behind it. Ru. Moreover, as shown in FIG. 1, the lower surface X of the storage chamber 11a is formed into a step and an inclined surface. The grains are deposited closer to the center of the crawler traveling device 2, lowering the longitudinal center of gravity of the aircraft. It is configured so that its position does not change. The storage chamber 11b is approximately box-shaped, and a discharge spiral 12c in the front and back direction is provided at the bottom of the storage chamber 11b. A transverse feed spiral shaft 12a integrally formed is provided, and the tank 11 is attached to the transverse feed spiral shaft 12a. In order to rotate around the pivot axis 12a, the mast 47 part provided at the front part and the machine part at the rear part. It is rotatably supported by a metal support frame 3a which is erected from the body frame 3. It is. Furthermore, the piston 64a of the hydraulic actuator 64 is located on the bottom surface of the tank 11. The tank 11 is fixed to the tank 11 as shown by the solid line in FIG. Rotate to the ejecting position shown by the two-dot chain line. In addition, the rear end of the lateral feed spiral shaft 12a is It is connected to a discharge auger 12 which is folded in half at the top. Furthermore, inside the grain tank 11, there is a container in contact with the grain lifting spiral cylinder 65 of the threshing device 4 in the storage position. A continuous spiral tube 66 is attached, and a blade 67 provided at the upper end of the spiral tube 66 is attached. Accordingly, the grains are dispersed and introduced into the storage chambers 11a and 11b of the grain tank 11.

[0015] In the above configuration, in order to perform reaping and harvesting work with the combine harvester 1, the engine 7 is When starting, turn on the reaping clutch lever and threshing clutch lever (not shown). The pre-processing device 9 and the threshing device 4 are driven as follows. Next, raise cabin 6 When the grain starts traveling, it is harvested and transported by the pre-processing device 9 and supplied to the threshing device 4. While the grain culm is conveyed rearward by the feed chain and the clamping rail, The straw is threshed, and the waste straw is conveyed diagonally backward by the straw conveyance device to the cutter 10. shredded by In addition, the grains that have been threshed and wind-selected are transferred to the side by the transfer spiral in the first receiving trough. When the grains are transferred and lifted by the grain lifting spiral tube 65, the grains installed in the grain tank 11 are A girder-extended spiral tube 66 takes over and lifts the grains, which are thrown in all directions by vanes 67. The particles are deposited in the storage chambers 11a and 11b in the grain tank 11. When discharging accumulated grains and loading them onto a transport vehicle parked on the road, move the machine to the transport vehicle. , and raise the discharge auger 12 and rotate it horizontally to open its discharge port. The horizontal feed spiral shaft 12a at the bottom of the grain tank 11 and the discharge The spiral shaft of the gar 12 is driven from the counter case 49 provided in front, and the glentan The grains in the tank 11 are lifted and loaded onto a loading platform. When the number of grains in the grain tank 11 decreases, the hydraulic actuator 64 is activated. When the extension is activated, the grain tank 11 tilts upward around the transverse feed spiral shaft 12a. The grains in the tank flow toward the lateral feed spiral shaft 12a, and the grains in the tank flow. Everything is pumped and discharged.

[0016] Next, the filter of the radiator cooling device 8 becomes clogged with dust, and the engine 7 overheats or when replacing the cooling water in radiator 8. , open the side cover 60b covering the radiator cooling device 8 provided on the side of the aircraft, Clean the filter 59 and wire mesh 61, or remove the cap 8h of the cooling water inlet. Inject cooling water. Also, there is a place to check and replenish the amount of cooling water in the 8g reserve tank. If the alternator 8i that makes up the engine's electrical system is repaired or inspected, or the oil When replacing the filter 8j, remove the side cover 60a that covers the engine 7. Open it and perform these inspections and maintenance. In this case, the engine 7 and radiator cooling system 8 are installed at a low position in the aircraft. Therefore, maintenance can be easily performed from the side of the aircraft. Moreover, engine 7 is an outside and front section where maintenance can be performed by opening the side cover 60a described above. As mentioned above, maintenance can also be performed from the front with cabin 6 raised. Therefore, it is possible to install the fuel injection nozzle, fuel injection pump 7b, etc. on the front side of the engine 7. By installing a fuel system, the fuel system, which accounts for most of the causes of malfunctions or failures in the engine 7, can be eliminated. Maintenance of the fuel system is extremely easy from the open space below created by raising cabin 6. It can be carried out. Moreover, from this open space, the lateral feed spiral shaft of the grain tank 11 is 12, or inspection and maintenance of the electromagnetic switching valve unit 48, etc. It can be easily done together. Furthermore, when loading the combine 1 on the truck after the work is completed, or when driving on the road. In this case, lower the cabin 6 appropriately to lower the height of the combine 1. You can move on to the next step.

[0017]

[Effect of the idea]

As described above, the present invention has a threshing device mounted on one side of the fuselage frame 3 having the traveling device 2. 4, and a cabin 6 with a cockpit 5 on the other side, and a front cabin 6 in front of them. A control device 9 is provided, and the cabin 6 can be raised and lowered freely with respect to the fuselage frame 3. At the same time, the engine 7 is installed at the rear of the cabin 6, and when the cabin is raised, , a space is formed between the lower part of the cabin 6 and the front of the engine 7. Therefore, the cabin 6 that houses the cockpit 5 can be configured as a sealed room completely independent from the outside. In addition to blocking the noise generated from the engine 7 or working parts, it is also placed indoors. Even if you operate a cooler to cool the room, you can maintain insulation from the outside and maintain a comfortable environment. You can do the work. In addition, when the cabin 6 is raised, the operator can control the You can see the entire pre-processing section 9 while sitting in the seat 5, making it easier to align the strips, etc. can be done. In addition, it can be driven on the road, stored in a garage, or loaded onto a truck. When loading, etc., the vehicle height of the combine 1 can be lowered by lowering the cabin 6. can be kept low. Moreover, when the cabin 6 is raised from the lowered position, the lower part of the cabin 6 and the upper part of the cabin 6 are A space is formed between the front side of the engine 7 and the front side of the engine 7 to be opened. can. Therefore, the fuel injection pump 7b is installed on the front side of the engine 7, which is the cabin 6 side. If a fuel system such as Inspection and maintenance are extremely easy from the open space below created by raising cabin 6. can be done.

[Brief explanation of drawings]

FIG. 1 is a right side view of a combine harvester.

FIG. 2 is a front view of the combine harvester.

FIG. 3 is a front view showing main parts of the traveling transmission device and the like.

FIG. 4 is a plan cross-sectional view showing the counter case and the motor portion of the hydraulic continuously variable transmission device.

FIG. 5 is a plan view showing an engine and a radiator cooling device.

FIG. 6 is a CC cross-sectional view showing a threshing section and a grain tank section.

[Explanation of symbols]

2 Crawler traveling device 3 Airframe frame 4 Threshing device 5 Cockpit 6 cabin 7 Engine 9 Pretreatment device

Claims (1)

[Scope of utility model registration request] Claim 1: A threshing device is mounted on one side of a fuselage frame having a traveling device, a cabin containing a cockpit is mounted on the other side, and a pretreatment device is provided in front of the cabin, and the cabin is mounted on the fuselage frame. A combine harvester that is supported so as to be able to rise and fall freely, and has an engine disposed at the rear of the cabin so that when the cabin is raised, a space is formed between the lower part of the cabin and the front of the engine.