JP6723172B2 - Wheel loader - Google Patents

Description

The present invention relates to a wheel loader.

A construction machine having a canopy structure for covering a driver's seat with a roof supported by a plurality of columns and protecting an operator from sunlight, rainwater, and the like is known. Many construction machines having such a canopy structure are generally small vehicles. For example, when performing work underground or in a ship, the entire vehicle is lifted by a crane or the like and moved to a work place.

For example, Patent Document 1 discloses a mini excavator in which a plurality of suspension pieces to which wires for suspending a vehicle are attached are provided on a roof of a canopy. In this mini excavator, for example, a wire can be attached to a hole provided at one central portion of the boom in front of the vehicle and suspension metal fittings provided at two left and right rear portions of the roof to perform three-point suspension. it can.

Patent No. 3662437

Here, in the case of performing inboard work, the wheel loader is lifted by a crane in order to move the wheel loader from the inside of the ship to the ground after the loading and unloading work in the ship is completed. In this case, when the hanging metal fitting is attached to the roof of the canopy as in the mini excavator described in Patent Document 1, the crane needs to hoist the vehicle higher by the height of the canopy, resulting in the size of the ship and the environment of the port. Depending on the crane specifications, it may not be possible to unload the vehicle from the ship.

For example, before the onboard work begins, that is, when the minerals and grains are loaded on the ship, the ship sinks by the weight of the minerals and grains, so the sinking amount is set on the deck and the ground of the ship. It is possible to secure a sufficient distance from the crane. On the other hand, in the state after the work on the ship is completed, that is, after the minerals and grains, etc. are carried out to the outside of the ship, the weight of the discharged minerals, grains, etc. lifts the ship, and the lifted amount of The distance between the deck and the crane installed on the ground is shortened. Therefore, the height for lifting the wheel loader by a crane and moving it to the outside (ground) is limited.

Therefore, after removing the canopy, it is conceivable to attach the hanging metal fittings to the pedestal to which the columns of the canopy are attached. According to this configuration, since the hanging metal fitting can be positioned at a position lower than the roof of the canopy, it is possible to reduce the lifting height of the vehicle by the crane. However, in the above-mentioned structure, after removing the canopy, it is troublesome to attach the hanging metal fitting to the pedestal.

Then, the objective of this invention is a wheel loader provided with a canopy, and eliminates the effort of the attachment work to the base of the hanging metal fitting after removing a canopy.

In order to achieve the above-mentioned object, a front body including a pair of left and right front wheels and a lift arm that is vertically rotatable, a rear body including a pair of left and right rear wheels and a driver's seat, and the driver's seat have a strut for supporting the root off及 beauty the roof covering above, and a canopy that is attached to the rear body through the pedestal, rotatably connected the rear vehicle body and is rotated together with the front body a wheel loader that is, the pedestal, the wheel hanging gold instrument wire is attached to hanging the loader attachment et al is, the hanger has an engagement portion for the wire engaging, The support has a support main body and an accommodating body that is provided at a base end of the support main body on the pedestal side and accommodates the hanging metal fitting , and the hanging metal fitting is fixed to the pedestal, and the hanging metal fitting is provided. In the wheel loader, the pillar is attached to the pedestal in a state in which the engaging portion is arranged inside the housing .

ADVANTAGE OF THE INVENTION According to this invention, in the wheel loader provided with the canopy, after removing the canopy for suspending the wheel loader, it is possible to save the trouble of attaching the hanging metal fitting to the pedestal. Problems, configurations, and effects other than those described above will be clarified by the following description of the embodiments.

It is an external view showing an example of 1 composition of a wheel loader concerning an embodiment of the present invention. It is an external view showing a wheel loader with a hanging member attached. It is a perspective view showing the rear body of a wheel loader. 4A to 4D show the structure of the frame base. FIG. 4A is a top view, FIG. 4B is a cross-sectional view seen from the left side of the vehicle body, FIG. 4C is a cross-sectional view seen from the rear side of the vehicle body, and FIG. 4D is a base. It is a top view which shows the state by which the hanging metal fitting was being fixed to the area|region. FIG. 5A is a perspective view showing the support pillar and the hanging metal fitting in a state where the support pillar is removed from the base area, and FIGS. 5B to 5D show the vicinity of the base end portion of the support pillar in the state where the support pillar is attached to the base area. 5B is a front view seen from the front side of the vehicle body, FIG. 5C is a side view seen from the left side of the vehicle body, and FIG. 5D is a top view. 6A is a sectional view taken along line VIA-VIA of FIG. 5D, and FIG. 6B is a sectional view taken along line VIB-VIB of FIG. 5D.

The configuration of the wheel loader 1 according to this embodiment will be described with reference to FIGS. 1 to 6, the front side of the vehicle body of the wheel loader 1 is simply referred to as "front side", and the rear side of the vehicle body is simply referred to as "rear side". In addition, the left-hand side of the traveling direction of the wheel loader 1 is simply referred to as “left side”, and the right-hand side of the traveling direction of the wheel loader 1 is simply referred to as “right side”.

First, the overall configuration of the wheel loader 1 will be described with reference to FIGS.

FIG. 1 is an external view showing a configuration example of a wheel loader 1 according to this embodiment. FIG. 2 is an external view showing the wheel loader 1 with the suspension member 9 attached. FIG. 3 is a perspective view showing a rear vehicle body 1B of the wheel loader 1.

The wheel loader 1 is an articulated vehicle that is steered by center bending of the vehicle body near the center, and includes a front vehicle body 1F and a rear vehicle body 1B. The front vehicle body 1F and the rear vehicle body 1B are rotatably connected to each other by a center joint 10, and the steering cylinder 10A expands and contracts, whereby the front vehicle body 1F bends in the left-right direction with respect to the rear vehicle body 1B.

The wheel loader 1 is a four-wheel drive vehicle including a pair of left and right front wheels 11F and a pair of left and right rear wheels 11B. 1 and 2, of the pair of left and right front wheels 11F and the pair of left and right rear wheels 11B, the left front wheel 11F and the left rear wheel 11B are shown.

The front vehicle body 1F includes a pair of left and right front wheels 11F and a work device 2 for carrying out cargo handling work and the like. The work device 2 includes a lift arm 21 that is vertically rotatable, a lift arm cylinder 21A that drives the lift arm 21 by expanding and contracting, and a bucket 22 attached to the tip end of the lift arm 21 and expanding and contracting. A bucket cylinder 22A for rotating the bucket 22 in the vertical direction by means of a bell crank 23 which is rotatably connected to the lift arm 21 and constitutes a link mechanism between the bucket 22 and the bucket cylinder 22A; And a plurality of pipes (not shown) for guiding hydraulic oil to the cylinder 22A.

The rear vehicle body 1B includes a pair of left and right rear wheels 11B, an operator's cab 12 in which an operator rides, a machine room 13 in which an engine, a cooler and the like are housed, and a counterweight for maintaining a balance so that the vehicle body does not tilt. 14 and.

The driver's cab 12 includes an operating device 121 for operating the wheel loader 1, a driver's seat 122 for an operator to sit on, and a canopy 123 for protecting the operator from sunlight and rainwater. That is, the cab 12 is a cab having a canopy structure that is open to the outside.

The operating device 121 includes a working lever 121A for operating the lift arm 21 and the bucket 22, a steering 121B for instructing the left and right traveling directions of the vehicle, and other, although not shown, brakes the traveling of the vehicle. It has a brake pedal for operating the vehicle, an accelerator pedal for accelerating the vehicle, and an FNR lever for instructing the forward and backward traveling directions of the vehicle.

The canopy 123 has a roof 4 that covers the upper side of the driver's seat 122, and a pair of columns 5L and 5R that support the roof 4. The roof 4 is formed of, for example, resin or the like, and the pair of columns 5L and 5R are formed of metal members such as iron. The roof 4 does not necessarily have to be formed of resin or the like, and may be formed of a metal member, for example, like the pair of columns 5L and 5R. In addition, FIG. 1 illustrates the left column 5L of the pair of columns 5L and 5R.

The driver's seat 122 and the canopy 123 are attached to the frame base 3 formed of a metal frame such as iron. Further, as shown in FIGS. 1 and 2, mirrors 15 are attached to the left and right side surfaces of the frame base 3, respectively. 1 and 2, the left mirror 15 is shown.

On the left and right sides of the mounting position of the driver's seat 122, the frame base 3 is provided with base regions 30L and 30R as bases to which the base ends of the pair of columns 5L and 5R of the canopy 123 are mounted. 1 and 2, of the base regions 30L and 30R, the base region 30L arranged on the left side is illustrated.

Next, a specific configuration of the base areas 30L and 30R will be described with reference to FIGS.

4A to 4D show the configuration of the frame base 3, FIG. 4A is a top view, FIG. 4B is a sectional view as seen from the left side of the vehicle body, FIG. 4C is a sectional view as seen from the rear side of the vehicle body, and FIG. It is a top view which shows the state in which the hanging metal fitting was being fixed to the base region. Note that in FIG. 4A, hidden components are shown by broken lines, and in FIGS. 4B and 4C, hatching showing a cross section is omitted due to the configuration of the drawings.

As shown in FIGS. 4A to 4C, reinforcing plates 32L and 32R are provided on the back surface side of the outer frame 31 in the base areas 30L and 30R of the frame base 3. As shown in FIG. 4C, the thicknesses D2 of the reinforcing plates 32L and 32R are formed to be thicker than the thickness D1 of the outer frame 31 (D2>D1). Reinforcing plates 32L and 32R are provided with reinforcing ribs 320L and 320R at their rear end portions.

Further, as shown in FIGS. 4A and 4C, the reinforcing plates 32L and 32R are connected by a reinforcing member 33 extending in the left-right direction. Also in this reinforcing member 33, a reinforcing rib 330 extending in the left-right direction is provided at the rear end portion.

In this way, the base areas 30L and 30R are configured to have higher strength than the other areas of the frame base 3. Since this frame base 3 has a specification that a canopy (ROPS canopy) having a protective structure at the time of tipping can be attached, an area where the canopy is attached so that the canopy does not tilt even if the vehicle falls. The (base regions 30L, 30R) are designed to have higher strength than the other regions. Therefore, in the wheel loader 1, the base regions 30L and 30R can be provided only in a limited region (place) in consideration of the design of the entire vehicle.

Then, as shown in FIGS. 2 and 4D, suspending metal fittings 6L and 6R to which wires 91 (see FIG. 2) for suspending the wheel loader 1 are attached are fixedly attached to the reinforced base regions 30L and 30R. ing. At this time, the reinforcing plates 32L and 32R are provided in a region where at least the first bolts 71 (see FIG. 4D) for fixing the hanging fittings 6L and 6R are attached. 2 and 4D, the hanging metal fitting 6L fixed to the base region 30L side is illustrated.

Here, the wheel loader 1 according to the present embodiment is, for example, an on-board wheel loader for loading and unloading minerals, grains, and the like loaded in the ship. When carrying out inboard work, the wheel loader 1 is lifted by a crane and moved from the ground to the inside of the ship and from the inside of the ship to the ground.

As shown in FIG. 2, when hoisting the wheel loader 1 with a crane, first, the canopy 123 is removed from the frame base 3 (base regions 30L and 30R). Then, the wire 91 of the hanging member 9 is attached to each of the pair of left and right hanging metal fittings 6L and 6R and the pair of front side engaging portions 20L and 20R provided on the front vehicle body 1F, so that four-point hanging is performed. To do. 1 and 2, only the front engaging portion 20L located on the left side of the pair of front engaging portions 20L and 20R is shown. Further, in FIG. 2, the wire 91 attached to the front side engaging portion 20R located on the right side is omitted in the drawing.

Since the base areas 30L and 30R to which the hanging metal fittings 6L and 6R are fixed are reinforced, even if the entire heavy wheel loader 1 is lifted by a crane, the force applied to the base areas 30L and 30R Therefore, the problem that the base regions 30L and 30R are damaged can be suppressed.

Since the base areas 30L and 30R to which the hanging fittings 6L and 6R are fixed are located at a position lower than the roof 4 of the canopy 123, when the wheel loader 1 is hung by the wire 91 of the hanging member 9. The center of gravity can be kept low. As a result, the wheel loader 1 can be moved in a stable state.

Further, as shown in FIG. 2, the four wires 91 attached to the pair of left and right suspension fittings 6L and 6R and the front side engaging portions 20L and 20R at a total of four places are gathered at one place above. In addition, in FIG. 2, the four wires 91 are gathered in one place by the ring member 92, but the ring member 92 is not necessarily used.

For example, the suspension fittings 6L and 6R are provided on the columns 5L and 5R of the canopy 123, or the suspension fittings 6L and 6R are provided behind the operator's cab 12 to suspend the wheel loader 1 with the canopy 123 attached. In such a case, the wire 91 may interfere with the canopy 123. Therefore, a flat plate-shaped balance is arranged between the mounting position of the wire 91 and the position of the ring member 92 to avoid the interference between the wire 91 and the canopy 123.

In the present embodiment, since the wheel loader 1 is hung with the canopy 123 removed from the frame base 3, it is not necessary to use a balance, and it is possible to avoid the interference itself between the wire 91 and the canopy 123. ..

Next, specific configurations of the columns 5L and 5R of the canopy 123 and the suspension fittings 6L and 6R will be described with reference to FIGS. 5A to 5D and FIGS. 6A and 6B. The columns 5L and 5R have the same configuration, and the hanging fittings 6L and 6R have the same configurations. Therefore, the left column 5L and the hanging bracket 6L will be described below as an example.

FIG. 5A is a perspective view showing the support column 5L and the hanging metal fitting 6L in a state where the support column 5L is removed from the base region 30L, and FIGS. 5B to 5D are support columns in a state where the support column 5L is attached to the base region 30L. FIG. 5B is a front view of the vehicle body seen from the front side, FIG. 5C is a side view of the vehicle body seen from the left side, and FIG. 5D is a top view. 6A is a sectional view taken along line VIA-VIA of FIG. 5D, and FIG. 6B is a sectional view taken along line VIB-VIB of FIG. 5D.

The hanging metal fitting 6L is formed by joining metal plates such as iron to each other by welding or the like, and is engaged with the wire 91 (see FIG. 2) as shown in FIGS. 5A, 6A, and 6B. The engaging portion 61, the bracket 62 to which the engaging portion 61 is joined, and the pair of reinforcing portions 63 for reinforcing the engaging portion 61.

As shown in FIGS. 5A and 6A, the engagement portion 61 has a rounded upper portion, and an engagement hole 610 with which the wire 91 (the suspension member 9) engages is penetrated in the thickness direction. As shown in FIGS. 5A and 5D, the bracket 62 has a substantially rectangular shape and has a function as a fixing portion for fixing the hanging metal fitting 6L to the base region 30L.

The engagement part 61 is joined so as to project upward from the bracket 62, and as shown in FIG. 5A, the penetrating direction of the engagement hole 610 (the thickness direction of the engagement part 61) is the left-right direction. Are arranged as follows. The pair of reinforcing portions 63 are arranged so as to sandwich the engaging portion 61 in the width direction (front-rear direction). As a result, the engaging portion 61 is reinforced so as not to bend in the thickness direction (horizontal direction) during the lifting operation by the crane.

The bracket 62 is formed with a plurality of mounting holes 62B for mounting a plurality of first bolts 71 for fixing the hanging metal fitting 6L to the base region 30L. In this embodiment, four mounting holes 62B are formed in the bracket 62 corresponding to the four first bolts 71. Two of the four mounting holes 62B are arranged side by side in the left-right direction at the front, and the remaining two mounting holes 62B are arranged side by side in the left-right direction at the rear.

As shown in FIGS. 6A and 6B, the four first bolts 71 respectively penetrate the outer frame 31 and the reinforcing plate 32L of the base region 30L and fasten the bracket 62 to the base region 30L. As a method of fastening the four first bolts 71, a nut 711 may be used, or a bracket 62 and the frame base 3 may be threaded. Note that FIG. 6A shows only two mounting holes 62B among the four mounting holes 62B.

Further, the bracket 62 is formed with a plurality of insertion holes 62A for inserting a plurality of second bolts 72 for attaching the support column 5L of the canopy 123. In the present embodiment, four insertion holes 62A are formed in the bracket 62 corresponding to the four second bolts 72, and the four insertion holes 62A are arranged at the four corners of the bracket 62, respectively. Therefore, in the left-right direction, the four attachment holes 62B are arranged inside the four insertion holes 62A.

As shown in FIG. 5A, the column 5L of the canopy 123 has a column body 51 and a container 52 provided at the base end of the column body 51 on the base region 30L side. The container 52 has an upper wall 521 that covers the upper side of the engaging portion 61 of the hanging metal fitting 6L, and a side wall 522 that surrounds the periphery of the engaging portion 61.

In the present embodiment, the side wall 522 includes a front wall 522A, a rear wall 522B, a left wall 522C, and a right wall 522D, and the left wall 522C and the right wall 522D are continuously formed from the upper wall 521. .. Therefore, the container 52 has a container shape (box-shaped body) having a space formed therein.

As shown in FIGS. 6A and 6B, in the wheel loader 1 according to the present embodiment, the engaging portion 61 of the hanging metal fitting 6L is arranged in the space formed by the upper wall 521 and the side wall 522 of the container 52. In this state, the column 5L is attached to the base region 30L from above the hanging fitting 6L. That is, the container 52 is an aspect of an avoiding unit for avoiding interference with the hanging fitting 6L.

As described above, when the pillar 5L of the canopy 123 is attached to the base region 30L, the engaging portion 61 of the hanging metal fitting 6L is arranged inside the avoiding portion (container 52) provided at the base end of the pillar 5L. Therefore, the support 5L can be attached to the base region 30L even when the hanging metal fitting 6L is fixed to the base region 30L. Further, after removing the canopy 123 to attach the wire 91 (see FIG. 2), the work of attaching the hanging metal fitting 6L can be omitted. That is, it is not necessary to replace the hanging metal fitting 6L with the canopy 123, and it is possible to prevent problems such as forgetting to tighten bolts that are likely to occur during the replacement work of the hanging metal fitting 6L and the canopy 123, and loosening of the bolt due to repeated replacement work. be able to.

In the present embodiment, as shown in FIG. 6B, the column 5L (container 52) is indirectly attached to the base region 30L via the bracket 62 fixed to the base region 30L by the first bolt 71. It is attached and fixed by a second bolt 72 which is a bolt different from the first bolt 71.

Further, in the present embodiment, since the avoidance portion is formed as the container 52, the engagement portion 61 is accommodated in the state where the support column 5L is attached to the base region 30L as shown in FIGS. The structure is hidden inside the body 52 and cannot be seen from the outside. Therefore, the appearance is improved, and the engaging portion 61 of the hanging fitting 6L is less likely to be exposed to sea breeze or the like, and deterioration due to rust or the like can be suppressed.

Furthermore, since the side wall 522 includes the front wall 522A, the rear wall 522B, the left wall 522C, and the right wall 522D, for example, the side wall 522 has only the left wall 522C and the right wall 522D, and the front-rear direction. The strength is higher than in the case of a structure in which the can penetrates through, and it becomes easier to maintain the strength as the entire column 5L of the canopy 123.

As shown in FIGS. 6A and 6B, in a state where the bracket 62 is fastened to the base region 30L by the first bolt 71, between the top 61T of the engaging portion 61 and the upper wall 521 of the container 52. , The first gap S1 is formed. In other words, as shown in FIG. 6B, the distance H1 between the bracket 62 and the upper wall 521 is the maximum height of the engaging portion 61 (between the top 61T of the engaging portion 61 and the upper surface of the bracket 62). Distance) longer than H2 (H1>H2).

As a result, even when the bracket 62 is firmly fastened to the base region 30L by the first bolt 71, the top 61T of the engaging portion 61 does not come into contact with the upper wall 521 of the container 52. It is possible to suppress the occurrence of collision or friction between the top portion 61T of the engaging portion 61 and the upper wall 521 of the container 52 when the bolt 71 is tightened.

Further, in the present embodiment, the column main body 51 and the container 52 are integrally formed by being joined by welding or the like. Therefore, compared with the case where the housing body 52 is a separate body from the column main body 51, the strength of the entire column 5L of the canopy 123 can be maintained.

The housing 52 is provided on the lower surface of the side wall 522 (the lower ends of the front wall 522A, the rear wall 522B, the left wall 522C, and the right wall 522D) and the lower surface of the protruding portion 523. It further has a pair of leg portions 524 and a pair of triangular reinforcing portions 525 for reinforcing the side wall 522. The pair of triangular reinforcing portions 525 are arranged outside the left wall 522C and the right wall 522D.

The projecting portion 523 has substantially the same shape as the bracket 62 of the hanging metal fitting 6L, and has a function of a mounting portion for mounting the column 5L on the hanging metal fitting 6L (base area 30L). As shown in FIG. 5D, the container 52 covers the entire suspending metal 6L from above, and the four first bolts 71 are respectively provided with the projecting portions 523 and the upper surface of the head 710 (see FIGS. 6A and 6B). Is covered. As a result, it is possible to prevent the problem of accidentally loosening the first bolt 71 fixing the hanging fitting 6L when removing the canopy 123.

A plurality of mounting holes 523A for inserting a plurality of second bolts 72 for mounting the support column 5L are formed in the projecting portion 523. In the present embodiment, four mounting holes 523A are formed in the projecting portion 523 corresponding to the four second bolts 72, and the four mounting holes 523A are respectively formed in the bracket 62 of the hanging fitting 6L. Corresponding to the respective positions of the two insertion holes 62A, they are arranged at the four corners of the projecting portion 523.

The pair of leg portions 524 are provided to extend in the front-rear direction on both sides in the left-right direction. As shown in FIG. 5B, FIG. 6A, and FIG. 6B, since the pair of legs 524 is provided on the lower surface of the overhanging part 523, the overhanging part 523 is located between the bracket 62 of the hanging bracket 6L and the first part. The head portion 710 of the bolt 71 is attached to the bracket 62 with a predetermined space W1 (shown in FIG. 6A).

Then, as shown in FIGS. 6A and 6B, a second gap S2 is formed between the projecting portion 523 and the head portion 710 of the first bolt 71. In other words, the height (distance between the overhanging portion 523 and the bracket 62) W1 of the pair of legs 524 is formed higher than the maximum height W2 of the head 710 of the first bolt 71 ( W1>W2).

Accordingly, when the second bolt 72 is tightened, the projecting portion 523 does not come into contact with the first bolt 71 (head 710), so that collision or friction between the projecting portion 523 and the first bolt 71, etc. As a result, the problem that the head portion 710 of the first bolt 71 is crushed can be suppressed.

A plurality of (two) through holes 524A through which the second bolt 72 passes are formed in each of the pair of leg portions 524. The second bolt 72 inserts the attachment hole 523A of the projecting portion 523 of the container 52, the through hole 524A of the leg portion 524, and the insertion hole 62A of the bracket 62 to fix the projecting portion 523 to the bracket 62. The fastening method of the second bolt 72 may be a nut (for example, the nut 721 shown in FIG. 6B) as in the case of the first bolt 71, or the overhanging portion 523, the leg portion 524, and the bracket. 62 may be threaded.

The embodiments of the present invention have been described above. It should be noted that the present invention is not limited to the above-described embodiment, and various modifications are included. For example, the above-described embodiments have been described in detail in order to explain the present invention in an easy-to-understand manner, and are not necessarily limited to those including all the configurations described. Further, a part of the configuration of this embodiment can be replaced with the configuration of another embodiment, and the configuration of this embodiment can be added to the configuration of another embodiment. Furthermore, it is possible to add/delete/replace other configurations with respect to a part of the configurations of the present embodiment.

For example, in the above-described embodiment, the pedestals to which the suspension fittings 6L and 6R are fixed and the columns 5L and 5R of the canopy 123 are attached are formed as the base regions 30L and 30R that are a part of the frame base 3. However, it is not always necessary to be integrated with the frame base 3, and the base may be formed by a member different from the frame base 3.

Further, in the above-described embodiment, the avoidance portion provided at the base end portions of the columns 5L and 5R is the container 52 having a space formed therein, but it is not always required to have a container shape having a space formed therein. Instead, for example, the avoidance portion may be configured by a plurality of legs formed by radially extending outward from the base end of the column main body 51.

In the above embodiment, the brackets 62 are fastened to the base regions 30L and 30R by the plurality of first bolts 71, so that the hanging metal fittings 6L and 6R are fixed to the base regions 30L and 30R. It is not necessary to interpose 62, and the engaging portion 61 may be welded and fixed to the base regions 30L and 30R, for example.

Further, in the above embodiment, the roof 4 of the canopy 123 is supported by the pair of columns 5L and 5R, but it is not always necessary to support the pair of columns 5L and 5R, and if the roof 4 can be supported, the number is limited. There is no.

Further, in the above-described embodiment, only the engaging portion 61 of the hanging metal fittings 6L and 6R is accommodated in the space of the accommodation body 52 of the support pillars 5L and 5R, but not limited to this, for example, the hanging metal fittings 6L, The entire 6R may be housed in the space of the housing 52.

In addition, in the above-described embodiment, the pillars 5L and 5R and the hanging metal fittings 6L and 6R are partially attached to the base regions 30L and 30R by protruding from the frame base 3 (left end portions), but not necessarily protruding. The columns 5L and 5R, and the hanging metal fittings 6L and 6R may be attached so that the columns 5L and 5R can be mounted on the frame base 3 without being attached.

1: Wheel loader, 4: Roof, 5L, 5R: Support, 6L, 6R: Hanging fitting, 30L, 30R: Base area (base), 51: Support body, 52: Housing (avoidance part), 61: Engagement Joint part, 61T: top part, 62: bracket, 71: first bolt (bolt), 72: second bolt (another bolt), 91: wire, 122: driver's seat, 123: canopy, 521: upper wall 522: Side wall, 523: Overhang portion, 710: Head portion, S1: First gap, S2: Second gap, W1: Predetermined gap

Claims (6)

A front vehicle body having a pair of left and right front wheels and a lift arm rotatable in the vertical direction;
A rear vehicle body having a pair of left and right rear wheels and a driver's seat,
Have a strut for supporting the root off及 beauty the roof covering above the driver's seat, and a canopy that is attached to the rear body through the pedestal,
A wheel loader in which the front vehicle body and the rear vehicle body are rotatably connected to each other ,
Wherein the base, the lifting gold instrument wire is attached to hanging the wheel loader attachment et al is,
The hanging fitting has an engaging portion that engages with the wire,
The support has a support main body and an accommodating body which is provided at a base end of the support main body on the pedestal side and accommodates the hanging metal fitting,
The hanging metal fitting is fixed to the pedestal,
A wheel loader characterized in that the pillar is attached to the pedestal in a state where the engaging portion of the hanging fitting is arranged inside the housing . The wheel loader according to claim 1,
The housing body, a wheel loader, characterized in that <br/> that have a side wall that surround the engagement upper on the covering wall of the engagement portion, and the engaging portion. The wheel loader according to claim 2,
The wheel loader, wherein the pillar body and the housing are integrally formed. The wheel loader according to claim 2 or 3,
The hanging fitting is fixed to the pedestal by a bolt, and further has a bracket to which the engaging portion is joined,
A wheel having a first gap formed between the top of the engaging portion and the upper wall of the container when the bracket is fastened to the pedestal by the bolt. loader. The wheel loader according to claim 2 or 3,
The hanging fitting has a bracket to which the engaging portion is joined,
The wheel loader, wherein the bracket is attached and fixed to the pedestal by a bolt, and the support post is indirectly attached and fixed to the pedestal by a bolt different from the bolt through the bracket. The wheel loader according to claim 4 or 5, wherein
The container has a projecting portion projecting outward from the lower end of the side wall,
The projecting portion is attached to the bracket at a predetermined interval so that the head of the bolt is arranged between the bracket and the bracket,
A wheel loader, wherein a second gap is formed between the projecting portion and the head portion of the bolt.