JPH0713659U - Cabin mounting device for tractor - Google Patents

Abstract

(57) [Summary] [Objective] To provide a cabin that suppresses vibration between the cabin and the operation panel, has good habitability, and can be easily manufactured. [Structure] A single tractor 2 is constructed by mounting the operation panel 11 and the machine base 3 via a mounting plate 12 to a mounting frame 10 that is vibration-isolated and supported by a vibration isolator 13, and the cabin 1 is placed in front of the tractor 2. A tractor cabin mounting device which is mounted on the mounting plate 12 in a state where the partial frame 1b straddles the outer periphery of the mounting frame 10 with a gap, and which is supported by a vibration-proof structure.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cabin mounting device for a tractor in which a cabin is mounted in common with a mounting frame of an operation panel.

[0002]

[Prior art]

 Conventionally, the cabin that is attached to the tractor is of the type that is integrally configured so that the operation panel of the handle installed at the rear of the bonnet is formed inside this cabin room, or that it is attached to the machine body, or the machine body is equipped with a vibration isolator. It is known that another cabin is installed on the step frame of the driver's seat, which is mounted on the cabin, and the cabin is mounted on the fuselage.

[0003]

[Problems to be solved by the device]

 In the conventional cabin with the operation panel integrated, the tractor can be operated only when the above cabin is mounted on the machine, so the machine can be moved to another place before the cabin is assembled. To be restricted. Also, in the latter method, since the step frame and the operation panel installed on the step frame and the support via the vibration isolator for the cabin are different, there is a difference in vibration between the two, causing noise and resonance. There was a problem with comfortable driving performance and durability of the airframe due to the generation of gaps and the like in the cabin and each part due to promotion.

In view of the above situation, the present invention solves the conventional problems by supporting the cabin in common with the mounting frame of the operation panel, and at the same time, it is a tractor that is comfortable, durable, and simple to manufacture. The present invention provides a cabin mounting device.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, a cabin mounting device for a tractor according to the present invention is a tractor having a driver's seat having an engine part covered with a hood in front of the body and a handle part covered with an operation panel behind the engine part Mount the base of the mounting frame that attaches the operation panel to the outer peripheral mounting section that stands upright in front of the driver's seat, and mount it on the mounting plate supported by the machine base via the vibration isolator and cushion the front frame of the cabin. The cabin is installed on the machine by mounting the lower end of the mounting frame to the mounting plate via the base of the mounting frame with the member and the like having a space that can be inserted and straddling the outer peripheral mounting part of the mounting frame. I am trying to do it.

[0006]

[Work]

 Since the operation panel 11 is mounted on the machine base 3 via the mounting plate 12 to the mounting frame 10 which is vibration-isolated and supported by the vibration isolator 13, the operation panel 11 is supported without being directly subjected to the vibration of the bonnet 4 and the machine body. It is operated as a tractor. The cabin 1 is mounted on the mounting plate 12 in a state where the front frame 1b of the cabin 1 straddles the outer periphery of the mounting frame 10 and is integrated via a vibration isolator common to the operation panel 11. Since they are supported by each other, they suppress noise and failures without generating vibrations in different directions, and improve the comfortability of the cabin.

[0007]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. The tractor 2 to which the cabin 1 can be mounted has an engine 5 covered with a bonnet 4 in front of the machine base 3, and a driver's seat 7 with a steering wheel 6 provided behind it between the front and rear wheels 8, 8a. Is configured.

The bonnet 4 is formed in an inverted U-shape with a top plate 4 a and side plates 4 b to cover the engine 5, and its rear end is brought close to the front of the driver's seat 7. In FIG. 3, reference numeral 9 denotes a fuel tank, which is attached to a frame 9a standing upright from the machine base 3 and has a rear portion protruding rearward from the bonnet 4. Reference numeral 10 denotes a cover frame as a mounting frame for mounting an operation panel 11 which will be described later. The cover frame 10 includes a cover portion 10a for covering the fuel tank 9 and the clutch case portion 3a formed on the machine base 3, and the cover portion 10a. A mounting portion 10b (FIG. 4) bent in a brim shape on the outer periphery is provided along the rear end portion of the bonnet 4 and is formed in a U-shaped cross section so as to have sufficient frame rigidity. A mounting plate 10c for mounting on the machine base 3 is formed at the lower end of the cover frame 10.

Reference numeral 12 is a mounting plate to which the operation panel 11 can be mounted with bolts 10d. The mounting plate 12 has a step frame 12a supported at the rear by an appropriate vibration isolating mechanism, and from the machine base 3 The support frames 3b, 3b projecting on both sides are fastened with bolts 13a, 13a via vibration isolator 13, 13 made of mounting rubber or the like, and are attached to the machine body with a vibration isolation structure (Fig. 3). ).

Reference numeral 14 denotes a vibration-proof rubber attached to a frame 9a supporting the fuel tank 9 with a mounting piece 14a, and a bolt 14b supports an intermediate portion of the cover frame 10. As shown in the side sectional view of FIG. 3 (b), the operation panel 11 has a shape surrounding the mounting portion 10b of the cover frame 10 and is attached and supported by bolts 11a. In addition to covering the base portion of the above, a panel portion 11b is formed on the upper surface, on which instruments and operation switches (not shown) are arranged.

Further, on the front side surface of the cabin 1, a notch 16 is formed in an inverted U shape with a gap in which a sponge-like cushioning member 15 is inserted so that the attachment portion 10b of the cover frame 10 can be fitted from above. Is formed, and the support pieces 1c provided at the lower ends of the front frames 1b, 1b on both sides thereof are placed on the mounting plate 12 and fastened with bolts 13 (FIG. 4). As shown in FIG. 5, supporting pieces 1g and 1g having bolt holes 1e and guide holes 1f are provided at the lower ends of the rear frames 1d and 1d at the rear of the cabin 1. Then, the support frames 3d, 3d are attached to the left and right axle cases 3c, 3c so as to face upward, and are connected to the support frames 3d, 3d by a guide plate 17 having a vibration isolator hole 17a and a guide protrusion 17b. The vibration isolator 18, 18 is provided, and is provided so as to be sandwiched by the rubber plate 18a and the washer 18b from below. A restricting collar 18c is interposed between the supporting frame 3d and the supporting piece 1g, and is fastened with a bolt 18d.

Reference numerals 19a and 19a shown in FIG. 1 are an external door handle and an internal door handle for opening and closing the cabin door 20, and the external door handle is provided at a low position so that a driver can operate in a standing posture on the ground. The inner door handle 19a is provided inside the door at a high position where the door 20 can be easily opened and closed in a driving posture, and the inside and outside of the door 20 can be safely opened and closed in a comfortable posture. I am trying.

With the above configuration, the tractor 2 is attached to the machine body as follows. That is, in the cabin 1, after the cover frame 10 and the operation panel 11 are assembled as shown in FIG. 3 to make the machine movable and moveable, first, the rear frames 1 d and 1 d of the cabin 1 are shown in FIGS. When the guide hole 1f is lowered from above so as to fit the guide projection 17b of the guide plate 17, the bolt holes 1e of the left and right support pieces 1g, 1g are guided by the guide projection 17b and are guided by the collar. It will easily match the hole in 18c.

In this state, the bolt 18c is passed through the support piece 1g and the collar 18c, and then the front frames 1b, 1b are aligned with the bolt holes of the mounting plate 12 and the bolt 13a is inserted between them (FIG. 3). After tightening, the bolt 18c (FIG. 6) is tightened to the vibration-proof structure. At this time, the front side surface of the cabin 1 is fitted and inserted so as to coincide with the cover frame 10 in a side view, and the cushioning member 15 is inserted between the two (FIG. 4), so that the cabin 1 is kept airtight and at the same time. It is separated without transmitting the vibration of.

Therefore, since the cabin 1 is attached to the mounting plate 12 of the mounting frame 10 to which the operation panel 11 that is vibration-isolated and supported by the machine body is attached via the common vibration isolator 13 in a state where the cabin 1 is separated from the bonnet 4, Both masses can suppress vibrations in different directions without transmitting vibrations in different directions, and can be easily installed on the tractor of the cabin 1 with good habitability without noise or damage to the clearance. It is an eggplant.

[0016]

EFFECTS OF THE INVENTION The tractor cabin mounting device of the present invention is equipped with an engine part covered with a hood in front of the machine body, and a tractor equipped with a driver's seat with a handle part covered with an operation panel behind it. Attach the base of the mounting frame to which the operation panel is attached to the outer peripheral mounting section that is erected in front of the seat to the mounting plate supported by the machine base via the vibration isolator, and also mount the front frame of the cabin. With a space in which a cushioning member or the like can be inserted and which straddles the outer peripheral mounting portion of the mounting frame, its lower end is mounted on the mounting plate via the base of the mounting frame to mount the cabin. It is configured to be installed on the aircraft.

Therefore, the cabin, the operation panel, and the mounting frame thereof do not vibrate greatly due to different vibrations, and it is possible to perform traveling work in a state in which the vibrations of the both are suppressed by the vibration isolator. It can be a cabin with good habitability without noise or damage to the clearance. In addition, the cabin and the operation panel are separated, and the operation panel is configured so that it can be operated as a tractor without a cabin that is vibration-isolated and supported on the machine via a mounting frame.Therefore, all assembly adjustments can be performed in the pre-cabin assembly process. Assembling and maintainability can be performed well. In addition, the aircraft can be easily moved, and the cabin can be conveniently assembled and installed at the destination. In addition, since the assembly structure of the cabin can be shared with the mounting member of the operation panel, the vibration isolator, etc., the manufacturing can be performed easily and inexpensively.

[Brief description of drawings]

FIG. 1 is a side view of a tractor showing a mounted state of a cabin according to an embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 (a) is a side view of a main part showing a cabin mounting configuration. (b) is a sectional view showing a mounting structure of the operation panel and the mounting frame.

FIG. 4 is a rear view of FIG.

5 is a rear view showing the support structure of the tractor of FIG. 1 in section.

FIG. 6 is a cross-sectional view showing a vibration damping structure at the rear of the cabin.

[Explanation of symbols]

1 Cabin 1b Front Frame 2 Tractor 3 Machine Stand 4 Bonnet 5 Engine 6 Handle 7 Driver's Seat 10 Cover Frame (Mounting Frame) 11 Operation Panel 12 Mounting Plate 13 Vibration Isolator

Claims (1)

[Scope of utility model registration request] 1. A tractor having a driver's seat having a hood covered with an engine part in front of the fuselage and a steering wheel covered with an operation panel behind the engine, and an outer peripheral mounting part standing upright in front of the driver's seat. The base portion of the mounting frame for mounting the operation panel is mounted on a mounting plate supported by the machine base via a vibration isolator, and the front frame of the cabin has a space in which a cushioning member or the like can be inserted. A cabin mounting device for a tractor, wherein a lower end portion of the mounting frame is mounted on the mounting plate via a base portion of the mounting frame in a state of straddling an outer peripheral mounting portion of the mounting frame so as to mount the cabin on a body.