JPH047245Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a weight for a traveling vehicle that has a frame on the left and right sides, a front loader in the front, and a lift device in the rear.

(Prior art) For example, as a traveling vehicle dedicated to cargo handling, there is a vehicle equipped with a front loader at the front of the vehicle body and a lift device at the rear. In order to do this, weights are attached to the front end of the vehicle.

This weight only acts as a balancer,
There are problems in that its usability is low and it is difficult to make it heavy.

(Problem to be Solved by the Invention) In order to solve this problem, a proposal has been made to make the weight into a creel shape so that it has the function of a grill and can be made heavy.

However, this weight that also serves as a grill makes it difficult to attach the front loader brace, and when attaching reinforcing frames to the left and right sides of the vehicle body, it also makes it difficult to connect the ends of the reinforcing frames.

The object of the present invention is to provide a weight for a running vehicle that can solve the various problems mentioned above by using the weight that also serves as a grill as a left and right frame end connector and a brace attachment.

(Means for solving the problem) A specific means for solving the problem in the present invention is to fix a pair of left and right frames 8 along the front and back direction to the left and right sides of the vehicle body 4, and In a traveling vehicle, in which a lift device 2 is mounted on the front of the vehicle and a front loader 3 is installed at the front thereof, and a weight 17 is provided at the front end of the traveling vehicle body 4, the weight 17 is used as a grille member that covers substantially the front surface of the traveling vehicle body 4, and A receiving portion 42 is provided on the front surface of the weight 17 to connect with the front ends of the pair of left and right frames 8 and to attach a brace 36 protruding forward from the boom support 30 of the front loader 3 fixed to the frame 8.

(Function) The weight 17 covers substantially the front surface of the traveling vehicle body 4 and serves as a grill, and is fixed to the front ends of the left and right frames 8 to serve as a connecting member.
2 and serves as an attachment part for the brace 36.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

In FIGS. 1 and 2, 1 is a traveling vehicle similar to a conventional agricultural tractor, and is equipped with a lift device 2 with a fork at the rear and a front loader 3 at the front.

The running vehicle body 4 is constructed by directly connecting an engine 5, a clutch housing 6, and a transmission case 7, and a pair of frames 8 are disposed on the left and right sides of the vehicle body 1 over substantially the entire length along the front-rear direction. Fixed in multiple places.

A forward-facing driver's seat 11, a handle device 12, and the like are arranged on the vehicle body 4, and these driver's seat 11 and handle device 12 can be replaced and installed in a rear-facing position. In addition, other components necessary for operation, such as a clutch pedal 13 and a brake pedal, are provided for the front and rear, and gear levers and switches can be operated from both the front and rear, and the instrument panel is also It is arranged so that it can be seen from both the front and rear, and the running vehicle 1 can be switched between facing forward and facing backward.

A front axle frame 14 is provided on the engine 5 to protrude forward, a radiator 15 is disposed on the front axle frame 14, and a front wheel differential case 1 is disposed below the radiator 15.
6 is supported via a center pin.

Reference numeral 17 denotes a heavy weight made of cast metal or the like, which is attached to the tip of the front axle frame 14, to the back of which the tips of the left and right frames 8 are fixed, and which also serves as a connecting member for the tips of the left and right frames 8. An air hole 18 is formed to allow air to flow to the radiator 15, and it also serves as a grill that substantially covers the front of the vehicle body.
is also formed. Since the weight 17 is large enough to also serve as a grill, it can be made heavy and also allows the left and right frames 8 to be attached.

A box 21 is arranged at the rear of the bonnet 20 that covers the engine room, and this box 21 serves as a mounting base for the forward-facing steering wheel device 12 and also serves as a mounting base for the rear-facing driver's seat 11.
It is also possible to arrange a fuel tank inside it.

22 is a front wheel, 23 is a rear wheel, 24 is a rear wheel fender, and 25 is a step. Also, 2
A four-post safety frame 6 is attached to the frame 8.

The front loader 3 has a bucket 33 pivotally connected to the tips of a pair of left and right booms 32, and a boom support 30.
The bases of a pair of booms 32 are supported via a pivot 31 on the upper part of the boom support 30 and the boom 32
A boom cylinder 34 is provided between the boom 32 and the bucket 33, and a bucket cylinder 35 is provided between the boom 32 and the bucket 33. Further, a brace 36 is provided to protrude downward and forward from the boom support 30.

The pair of left and right frames 8 of the traveling vehicle 1 include:
A pedestal 37 is fixed to the upper surface of the front and back midway through bolts or the like. This pedestal 37 has a box shape and has a guide plate 38 inside, and the boom support 37 has a guide plate 38 therein.
When the lower part of 0 is inserted, it is held in a state where it cannot move forward and backward and left and right. Reference numeral 39 denotes a bolt (or a pin) that prevents the lower part of the boom support 30 inserted into the pedestal 37 from coming off.

Reference numeral 41 denotes a receiving member bolted to the front surface of the weight 17, and an arc-shaped or approximately V-shaped receiving part 42 is formed on the upper part of the receiving member, and is capable of receiving a connecting cylinder 43 installed at the tips of the left and right braces 36. be. By supporting this connecting cylinder 43 on the receiving part 42 and fixing it with a pin 44 (or bolt) passing through both,
The tip of the brace 36 is fixed to the receiving member 41.

The upper ends of the left and right boom struts 30 are connected to a connecting member 45.
A control valve 46 is attached to one of the boom struts 30 and controls pressure oil sent from a hydraulic pump provided on the traveling vehicle body 4 to the boom cylinder 34 and the bucket cylinder 35. Delivery is possible.

The front loader 3 is installed in the installed state shown in FIG. 1 by removing the bolts 39 and pins 44, attaching the stand 46 to the bucket 33 (or the lower part of the boom support 30), and then retracting the bucket cylinder 35 to remove the boom 32. By raising the base of the boom and the boom support 30, the boom can be detached from the traveling vehicle 1.

In addition, the receiving part 42 of the connecting cylinder 43 is attached to the weight 17 itself.
It is also possible to form the receiving member 41 of the brace 36.

The support structure for the front wheels 22 of the traveling vehicle 1 is shown in FIGS. 2 and 3, in which an inner surface 52A of one end of a transmission case 52 is connected to the outer end of a front wheel differential case 51, and an outer surface 52B of the other end of the transmission case 52. A bevel gear case 53 is connected to the bevel gear case 53, a final gear case 54 is fixed to this bevel gear case 53, and a front wheel 2 is connected to a front axle 55 protruding from this final gear case 54.
2 is installed.

Differential device 5 driven by front propulsion shaft 56
7 is transmitted to the gear 59 in the transmission case 52 by the front wheel transmission shaft 58, and the rotation of the gear 59 is transmitted to the gear 61 via the idler gear 60.
The rotation of this gear 61 is caused by a shaft 62 and a bevel gear 63.
The signal is transmitted to the king pin 64 via the . The transmission shaft 58 is connected to the first shaft 58A by a coupling 65.
and the second shaft 58B are connected.

The inner surface 52A of one end of the transmission case 52 can be fixed to the end of the front wheel differential case 16, and when the extension case 51 and the second shaft 58B are removed, the first shaft 58A
By attaching the gear 59 to the front wheel 22, the wheel distance of the front wheel 22 can be shortened.

Furthermore, the inner surface 52A of one end of the transmission case 52 can be attached to the extension case 51 at a position rotated approximately 180 degrees around the transmission shaft 58, and the outer surface 52A of the other end
A bevel gear case 53 rotated approximately 180° about the shaft 62 can be attached to B. Therefore, the transmission case 52 is installed with the extension case 51 reversed by 180 degrees from the state shown by the solid line in FIG.
If the bevel gear case 53 is installed with the bevel gear case 53 reversed by 180 degrees, it will be in the state shown by the two-dot chain line in Fig. 3, and the wheelbase distance can be shortened.

By making the wheel width and the wheelbase changeable in this manner, the traveling vehicle 1 can be made suitable for road driving, lift work, and loader work.

(Effects of the invention) According to the invention described in detail above, the weight 17 is made to serve as a grille member that covers substantially the front surface of the traveling vehicle body 4, and is connected to the front ends of the pair of left and right frames 8,
Since a receiving portion 42 for attaching the brace 36 protruding forward from the boom support 30 of the front loader 3 fixed to the frame 8 is provided on the front surface of the weight 17, the weight 17 that also serves as a grill can be made heavy. , has a function of connecting the left and right frames 8 for reinforcement, can strengthen the frame structure, and can also be easily attached to the frame.Furthermore, it can also be attached to a brace of a front loader, and has multiple functions, increasing usability. The balancer for the lift device 2 can be used as a member for attaching the front loader and improving support strength.

[Brief explanation of drawings]

Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being an overall side view, Figure 2 being a partially sectional front view, and Figure 3 being an explanatory plan view showing one example of a front wheel support structure. be. 1... Running vehicle, 3... Front loader, 4...
...Running vehicle body, 8...Frame, 17...Grill,
30...Boom support, 32...Boom, 36...
Brace, 37... pedestal, 39... bolt, 41
...Receiving member, 44...pin.

Claims (1)

[Scope of Claim for Utility Model Registration] A pair of left and right frames 8 are fixed to the left and right sides of the traveling vehicle body 4 along the longitudinal direction, and a lift device 2 is attached to the rear of the traveling vehicle body 4 and a front loader 3 is attached to the front thereof. , in a traveling vehicle in which a weight 17 is provided at the front end of the traveling vehicle body 4, the weight 17 is used as a member that also serves as a grill that covers substantially the front surface of the traveling vehicle body 4, and is connected to the front ends of a pair of left and right frames 8 and fixed to the frames 8. A weight for a running vehicle, characterized in that a receiving part 42 for attaching a brace 36 projecting forward from a boom support 30 of a front loader 3 is provided on the front surface of the weight 17.