JP5526113B2 - Storage box equipment for work machines - Google Patents

Description

  The present invention relates to a storage box device for a working machine that can store a long article such as a pawl of a bucket provided in a hydraulic excavator.

  As this type of prior art, Patent Document 1 proposes a tool box device for a construction machine. In this prior art, a tool box is fixed to a traveling frame that forms a traveling body provided in a construction machine. This tool box has a box that forms a main body in which a tool, that is, an article is stored, and a lid that can cover an opening formed at the top of the box.

JP-A-8-60700

  By the way, in the construction machine shown in Patent Document 1, that is, a work machine, various articles can be considered as articles stored in a tool box, that is, a storage box. When the work machine is a hydraulic excavator as well as a normally used tool, a claw or the like removed from the bucket body may be stored. The bucket is generally provided with 4 or 5 claws. The bucket claws and the like have a relatively long shape as a whole, and constitute a long article. Therefore, when a plurality of claws of the bucket are stored in the box of the storage box, an area occupied by these claws becomes large, and it becomes difficult to simultaneously store articles such as other tools.

  As described above, in the conventional technology, the storage capacity of the storage box is limited, and it is difficult to efficiently store a long article and another article different from the long article simultaneously in the storage box. There was a case. This is more remarkable in a machine in which the work machine is small, such as a mini excavator, and is restricted by the overall shape and size.

  The present invention has been made from the actual situation in the above-described prior art, and an object of the present invention is to provide a storage box device for a work machine that can increase the storage capacity of the storage box when storing a long article in the storage box. It is to provide.

  In order to achieve this object, the present invention provides a working machine having a vehicle body and a working device attached to the front side of the vehicle body, forming a main body for storing articles, and an upper portion of the box. In a storage box device for a work machine, including a storage box having a lid that can cover the opening formed in the housing, and a fixing means for fixing the storage box to the vehicle body, the article includes a long article and A first storage area that can store the long article in the box of the storage box, and a second storage that can store the other article. A partition plate for partitioning the storage area, wherein the box of the storage box communicates with the first storage area, a front surface located on the working device side, a rear surface positioned behind the front surface, the front surface, Sides connecting the rear side, and below A separate opening that allows a part of the long article stored in the first storage region to protrude outside the box and the other opening can be opened and closed. It is characterized by having an opening / closing door.

  In the present invention configured as described above, a long article is stored in the first storage area of the box of the storage box partitioned by the partition plate, and another article different from the long article is stored in the second storage area. When trying to do so, open the open / close door that closed the other opening of the box so that a part of the long article protrudes from the other opening to the outside of the box, and the remaining part of the long article The portion can be stored in the first storage area. That is, according to the present invention, when a long article is stored in the storage box, the storage capacity of the storage box can be increased. Further, according to the present invention, when the opening / closing door is provided so as to be pivotable in the closing direction by its own weight, the long article can be pressed at the lower end of the opening / closing door when the long article protrudes from another opening. it can.

  Moreover, the present invention is characterized in that, in the above invention, the first storage region includes a lower plate that is inserted through the other opening and protrudes outside the box of the storage box. According to the present invention configured as described above, a part of a long article protruding from another opening can be stably placed on the lower plate.

  According to the present invention, in the above invention, the work machine includes a traveling body, and a revolving body that is disposed on the traveling body and to which the working device is attached and forms the vehicle body together with the traveling body. The storage box is provided on the revolving structure. The present invention configured as described above has a high practicality because the storage box is provided on the revolving body that can easily secure the space for arranging the storage box as compared with the traveling body.

  Further, the present invention is the above invention, wherein the working device includes a boom attached to the revolving body so as to be pivotable in the vertical direction, and a boom cylinder that drives the boom, and the separate opening is provided in the storage box. The storage box is arranged so that the rear surface of the box is positioned in the vicinity of a bracket that is formed on the rear surface of the box and is fixed to the swing body and to which the boom cylinder is attached. The present invention configured as described above is provided in the space near the bracket to which the boom cylinder is fixed and fixed to the revolving body, and is formed on the rear surface of the box in a space that has not been utilized until then. A part of the long article stored in the first storage area can be protruded from the opening of the first storage area. That is, according to the present invention, the dead space near the bracket attached to the boom cylinder can be utilized for storing a long article.

  Further, the present invention is the above invention, wherein the working device includes an arm attached to the tip of the boom and a bucket attached to the tip of the arm, and the bucket is utilized during excavation work and is used with respect to the bucket body. The long article is composed of the claw of the bucket. In the present invention configured as described above, when a plurality of claws are stored in a storage box, for example, the claws are arranged in alignment with the first storage area, and the tips of these claws are placed in a box from another opening. These claws can be stably housed so as to project outside.

  The present invention is applicable when a long article is stored in a storage box by opening an opening / closing door of another opening of the box so that a part of the long article protrudes to the outside of the box. A long article can be stored in the first storage area, and the storage capacity of the storage box can be increased. Therefore, by storing a long article corresponding to the first storage area and storing another article different from the long article in the second storage area, the long article and the long article Can store other articles different from each other at the same time more efficiently than in the past. Further, according to the present invention, when the opening / closing door is provided so as to be pivotable in the closing direction by its own weight, the long article can be pressed at the lower end of the opening / closing door when the long article protrudes from another opening. It is possible to realize stable holding of a long article stored in the storage box.

It is a side view which shows the mini excavator mentioned as an example of the working machine with which 1st Embodiment of the storage box apparatus which concerns on this invention is provided. It is a front view which shows the turning body part of the mini excavator shown in FIG. It is A sectional drawing of FIG. It is a front view which shows the state which removed the storage box from the state shown in FIG. FIG. 3 is an enlarged view of a B cross section in FIG. 2. FIG. 3 is an enlarged plan view seen from a direction C in FIG. 2. It is a front view which shows the whole structure of 1st Embodiment. It is a bottom view of the whole structure of 1st Embodiment shown in FIG. It is a side view of the storage box with which 1st Embodiment is equipped. It is a front view of the storage box with which 1st Embodiment is equipped. It is a perspective view which shows the working apparatus containing the bucket provided with the nail | claw utilized for the excavation work of the earth and sand implemented with the mini excavator shown in FIG. It is a perspective view which shows the working apparatus containing the bucket provided with the flat nail | claw utilized for the earth and sand leveling work implemented with the mini excavator shown in FIG. It is a perspective view which shows the state by which the nail | claw of the bucket was accommodated by the storage box with which 1st Embodiment is equipped with the undesirable arrangement | positioning form. It is a perspective view which shows the state which accommodated the nail | claw of the bucket with the desirable arrangement | positioning form in the storage box with which 1st Embodiment is equipped. It is a figure which shows the state which accommodated the grease gun in the storage box with which 1st Embodiment is equipped, (a) A figure is the perspective view seen from the front side, (b) The figure is a perspective view seen from the back side. It is a side view which shows the storage box with which 2nd Embodiment of this invention is equipped. It is D sectional drawing of FIG.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of a storage box device for a work machine according to the present invention will be described with reference to the drawings.

  1 is a side view showing a mini excavator cited as an example of a working machine provided with the first embodiment of a storage box device according to the present invention, FIG. 2 is a front view showing a revolving body portion of the mini excavator shown in FIG. FIG. 3 is a cross-sectional view of FIG.

  The working machine provided with the first embodiment of the storage box device according to the present invention is, for example, a mini excavator. As shown in FIG. 1, the mini excavator includes a traveling body 1 and a revolving body 2 disposed on the traveling body 1. The traveling body 1 and the revolving body 2 constitute a vehicle body. A work device 4 for performing excavation work or the like is attached to the front side position of the revolving structure 2 so as to be rotatable in the vertical direction. The working device 4 includes a boom 5 attached to the revolving structure 2, an arm 6 attached to the tip of the boom 5, and a bucket 7 attached to the tip of the arm 6. The work device 4 includes a boom cylinder 5 a that rotates the boom 5, an arm cylinder 6 a that rotates the arm 6, and a bucket cylinder 7 a that rotates the bucket 7.

  For example, a driver's cab 3 is disposed on the swivel body 2, and as shown in FIG. 2, a bracket 8 on which a boom 5 is rotatably attached to a side portion of the driver's cab 3 near the center of the vehicle body, A bucket 8a is provided below the bracket 8 and to which the boom cylinder 5a is rotatably attached. As shown in FIGS. 2 and 3, the storage box 10 provided in the storage box device according to the first embodiment is disposed at the front side position of the swing body 2. That is, the storage box 10 is arranged at the front side position of the bracket 8a so that the rear surface of the storage box 10 is positioned in the vicinity of the bracket 8a to which the boom cylinder 5a is attached.

  4 is a front view showing a state where the storage box is removed from the state shown in FIG. 2, FIG. 5 is an enlarged cross-sectional view of B in FIG. 2, FIG. 6 is an enlarged plan view seen from the direction C in FIG. FIG. 8 is a bottom view of the overall configuration of the first embodiment shown in FIG. 7.

  As shown in FIGS. 4 to 6, for example, two fixed plates 11, 12 are located at a side position of the cab 3 near the center on the revolving frame 2 a of the revolving structure 2 and at a front position close to the work device 4. Is attached. For example, two bolt holes are formed in each of the fixing plates 11 and 12. As shown in FIGS. 7 and 8, for example, four attachment portions 13 to 16 having a U-shape in side view are provided on the lower surface of the storage box 10. Bolt holes are also formed in these attachment portions 13-16.

  As shown in FIGS. 7 and 8, the storage box 10 includes a bolt 17 inserted through each of the bolt hole of the fixing plate 11 and the bolt hole of the mounting portion 13 adapted to the bolt hole. It is fixed to the fixing plate 11 by a nut 18 that is screwed together. Similarly, the storage unit 10 includes a bolt 19 inserted into each of the bolt hole of the fixing plate 11 and the bolt hole of the attachment unit 14 fitted to the bolt hole, and a nut 20 screwed into the bolt 19. It is fixed to the fixed plate 11. The storage box 10 includes a bolt 21 inserted into each of the bolt hole of the fixing plate 12 and the bolt hole of the mounting portion 15 adapted to the bolt hole, and a nut (not shown) screwed to the bolt 21. It is fixed to the fixed plate 12. Similarly, the storage unit 10 includes a bolt 22 inserted into each of the bolt hole of the fixing plate 12, the bolt hole of the mounting unit 16 adapted to the bolt hole, and a nut (not shown) that is screwed to the bolt 22. , Fixed to a fixed plate 12.

  The fixing plates 11 and 12, the mounting portions 13 to 16 of the storage box 10, the bolt 17, the nut 18, the bolt 19, the nut 20, the bolt 21, a nut (not shown) screwed into the bolt 21, the bolt 22, and the bolt A fixing means for fixing the storage box 10 to the revolving frame 2 a of the revolving structure 2 is constituted by a nut (not shown) that is screwed to the revolving body 22.

  9 is a side view of the storage box provided in the first embodiment, FIG. 10 is a front view of the storage box provided in the first embodiment, and FIG. 11 is used for excavation of earth and sand performed by the mini excavator shown in FIG. FIG. 12 is a perspective view showing a working device including a bucket having a claw to be utilized, and FIG. 12 is a diagram showing a working device including a bucket having a flat claw utilized for earth and sand leveling work performed by the mini excavator shown in FIG. FIG. 13 is a perspective view showing a state in which the claws of the bucket are stored in an undesired arrangement in the storage box provided in the first embodiment, and FIG. 14 is a view of the bucket in the storage box provided in the first embodiment. FIG. 15 is a perspective view showing a state in which the nails are stored in a desirable arrangement form, FIG. 15 is a view showing a state in which the grease gun is stored in the storage box provided in the first embodiment, and FIG. (B) The perspective view seen from the back side A.

  In addition, as shown in FIGS. 9 and 10, the storage box 10 provided in the first embodiment includes a box 30 that constitutes a main body in which articles are stored, and an opening 30 a formed at the top of the box 30. And a cover 31 that can be covered. The rear portion of the lid portion 31 is attached to a hinge portion 32 fixed to the upper portion of the rear surface 30c of the box 30. Thus, the lid portion 31 is rotatable. A hook portion 31a is provided in the front portion of the lid portion 31, and an engaging portion 31b in which the hook portion 31a is detachably engaged is provided in the front portion of the box 30.

  The storage box 10 provided in the first embodiment simultaneously stores a long article, for example, a plurality of claws 7b of the bucket 7 shown in FIGS. 11 and 14 and other articles different from these claws 7b. It is possible. In addition, about 4 to 5 claws 7 b can be attached to and detached from the main body of the bucket 7. At the time of earth and sand excavation work or the like, as shown in FIG. 11, the claw 7 b is attached to the main body of the bucket 7 and the work is performed. On the other hand, at the time of the leveling operation, which is an operation for leveling earth and sand, etc., as shown in FIG. 12, it comprises a plurality of claws 40b and a flat plate portion 40a to which these claws 40b are welded. A flat claw 40 is attached to the main body of the bucket 7. Such a flat claw 40 is also a long article, but this flat claw 40 does not constitute a long article that is a storage target in the present embodiment, for example. In the present embodiment, for example, the claw 7b constitutes a long article as described above.

  In the storage box 10 provided in the first embodiment, as shown in FIG. 14, the first storage area 36a for storing a long article, that is, the claw 7b of the bucket 7, is different from the claw 7b. A partition plate 36 that partitions the second storage area 36b that can store other articles is provided.

  Further, the box 30 of the storage box 10 is connected to the front surface 30b positioned on the working device 4 side, the rear surface 30c positioned rearward of the front surface 30b, and the front surface 30b and the rear surface 30c so as to communicate with the first storage region 36a. As shown in FIG. 9, for example, a long article formed on the rear surface 30c and stored in the first storage region 36a, for example, a part of the box 30 of the claw 7b is provided on either the side surface 30d or the lower surface 30f. Another opening 33 that allows the protrusion to the outside and an opening / closing door 34 that can open and close the other opening 33 are provided. The other opening 33 is provided, for example, so as to have a length dimension substantially equal to the length dimension forming the first storage region 36a. The open / close door 34 is formed by being slightly bent so that the lower end portion 34b enters the first storage area 36a. The open / close door 34 is attached to a hinge portion 34a provided below the hinge portion 32 provided on the rear surface 30c of the box 30 and is rotatable.

  Further, the first storage area 36 a of the box 30 of the storage box 10 of the first embodiment includes a lower plate 35 that passes through another opening 33 formed in the box 30 and protrudes outside the box 30. Yes. The front end portion 35a of the lower plate 35 is bent upward. Further, the lower end portion 34b of the opening / closing door 34 described above is disposed so as to contact the lower plate 35 when the opening / closing door 34 is closed.

  In the first embodiment configured as described above, for example, in each of the first storage area 36 a and the second storage area 36 b of the box 30 of the storage box 10, a plurality of other items different from the long articles, that is, the claws 7 b of the bucket 7. When the article is to be stored, the hook portion 31a and the engaging portion 31b are disengaged and the lid portion 31 is rotated upward as shown in FIG. 9, and as shown in FIG. With the other opening 33 of 30 closed by the open / close door 34, the corresponding claw 7b is distributed to each of the first storage area 36a and the second storage area 36b partitioned by the partition plate 36. Other different articles can be stored. After storing other articles, the lid portion 31 is rotated downward to engage the hook portion 31a and the engaging portion 31b. Thereby, for example, the opening of the lid 31 during work by the work device 4 can be reliably prevented, and stable holding of other components in the storage box 10 can be realized.

  Further, for example, when only one other article is stored in the box 30 of the storage box 10, the first storage area is closed with the other opening 33 closed by the open / close door 34 as described above. Other applicable articles can be stored in either 36a or the second storage area 36b.

  Further, for example, when a long article, that is, a plurality of claws 7b of the bucket 7 and another article different from these claws 7b are to be stored in the storage box 10 at the same time, the second storage area 36b shown in FIG. And other applicable articles are stored. Further, the opening / closing door 34 that has closed the other opening 33 of the box 30 is opened, and the plurality of claws 7 b are arranged in alignment with the first storage area 36 a, and the tips of these claws 7 b are connected to the other opening 33. The remaining portion of the claw 7b can be stored in the first storage region 36a so as to protrude outside the box 30. The claws 7b thus housed in the storage box 10 are placed on the lower plate 35, and the tips of these claws 7b come into contact with the tip portion 35a of the lower plate 35, for example.

  As shown in FIG. 13, when the tip of the claw 7 b is not protruded from the other opening 33 and is stored in the first storage area 36 a or the second storage area 36 b with the open / close door 34 closed. The storage space for other articles different from the claw 7b is reduced, and it may happen that the other articles cannot be stored.

  For example, when only the claw 7 b is to be stored in the storage box 10, the open / close door 34 that has closed the other opening 33 as described above is opened, and the tip of the claw 7 b is projected to the outside of the box 30. Thus, the remaining portion of the claw 7b can be stored in the first storage region 36a.

  As described above, in the storage box device according to the first embodiment, when the claw 7b is stored in the storage box 10, the opening / closing door 34 of the other opening 33 of the box 30 is opened and a part of the claw 7b, that is, the claw. 7b can be stored in the first storage area 36a so that the tip of 7b protrudes outside the box 30, and the storage capacity of the storage box 10 can be increased. Thereby, this 1st Embodiment can accommodate the some nail | claw 7b and other articles | goods different from these nail | claws 7b simultaneously in the storage box 10 efficiently.

  Moreover, according to 1st Embodiment, the nail | claw 7b was accommodated in the 1st storage area 36a, the opening-and-closing door 34 was opened, and the front-end | tip of the nail | claw 7b was made to protrude outside the box 30 from another opening part 33. At this time, the open / close door 34 moves in the closing direction by its own weight, and each of the claws 7b can be pressed by the lower end portion 34b of the open / close door 34. That is, the working device 4 is cooperated by the lower end portion 34b of the open / close door 34, the lower plate 35 on which the tip of the claw 7b is placed, and the tip portion 35a of the lower plate 35 on which the respective tips of the claw 7b abut. Even during the operation performed by the above, each of the claws 7b stored in the first storage region 36a can be stably held.

  Moreover, according to 1st Embodiment, since the storage box 10 is provided on the turning body 2 which is easy to ensure the space which arrange | positions the storage box 10 compared with the traveling body 1, it is rich in practicality.

  Moreover, according to 1st Embodiment, it exists in the vicinity of the bracket 8a to which the boom cylinder 5a fixed to the revolving body 2 is attached, and it is a dead space and was not utilized until now in the box 30. Each tip of the claw 7b stored in the first storage region 36a can be protruded from another opening 33 formed in the rear surface 30c. That is, according to the first embodiment, the dead space near the bracket 8a to which the boom cylinder 5a is attached can be utilized for storing the claws 7b.

  FIGS. 15A and 15B are views showing a state where the grease gun is stored in the storage box provided in the first embodiment. FIG. 15A is a perspective view seen from the front side, and FIG. 15B is a perspective view seen from the back side. .

  In the case shown in FIG. 15, the long article stored in the first storage area 36a of the box 30 of the storage box 10 provided in the first embodiment is composed of the grease gun 41 that replaces the claw 7b of the bucket 7 described above. ing. When the grease gun 41 is stored in the first storage area 36a of the box 30, as shown in FIG. 15B, the open / close door 34 is opened and the grease gun is opened as in the case of storing the claw 7b. What is necessary is just to accommodate so that a part of 41 may protrude outside the box 30.

  FIG. 16 is a side view showing a storage box provided in the second embodiment of the present invention, and FIG. 17 is a cross-sectional view of FIG.

  In the second embodiment, another opening 51 is formed in a portion of the lower surface 50 forming the first storage region 36a of the box 30 of the storage box 10, and the opening / closing door capable of opening and closing the other opening 51 is provided. 52 is rotatably attached to a hinge portion 53 provided on the lower surface 50. For example, the opening / closing door 52 is provided with a knob 52a. Other configurations are the same as those of the first embodiment described above.

  In the second embodiment configured as described above, when a long article such as the claw 7b of the bucket 7 is stored in the storage box 10, the knob 52a is held and the open / close door 52 is rotated upward. A part of the long article is protruded below the box 30 from another opening 51, and the remaining part of the long article is placed in the first storage area 36a and stored. The second embodiment configured as described above is suitable when a dead space is provided below the arrangement position of the storage box 10. The second embodiment configured as described above can also obtain the same operational effects as those of the first embodiment described above.

1 Running body (car body)
2 Revolving body (car body)
4 Working device 5 Boom 5a Boom cylinder 7 Bucket 7a Bucket cylinder 7b Claw (long article)
8a Bracket 10 Storage box 11 Fixed plate 12 Fixed plate 13 Attached portion 14 Attached portion 15 Attached portion 16 Attached portion 17 Bolt 18 Nut 19 Bolt 20 Nut 21 Bolt 22 Bolt 30 Box 30a Open portion 30b Front surface 30c Rear surface 30d Side surface 30f Side surface 30f 31 Lid 33 Another opening 34 Opening and closing door 35 Lower plate 36 Partition plate 36a First storage area 36b Second storage area 41 Grease gun (long article)
50 Lower surface 51 Another opening 52 Opening / closing door

Claims (5)

A box that forms a main body for storing articles, and a lid that can cover an opening formed in the upper portion of the box, provided on a working machine having a vehicle body and a work device attached to the front side of the vehicle body In a storage box device for a work machine, including a storage box having a storage box and a fixing means for fixing the storage box to the vehicle body,
The article includes a long article and another article different from the long article,
In the box of the storage box, a partition plate is provided for partitioning the first storage area that can store the long article and the second storage area that can store the other article,
The box of the storage box includes a front surface located on the working device side, a rear surface positioned behind the front surface, a side surface connecting the front surface and the rear surface, and a lower surface so as to communicate with the first storage region. Another opening that is formed in any one and allows the part of the long article stored in the first storage area to protrude to the outside of the box, and the opening that can open and close the other opening A storage box device for a working machine, comprising a door. The storage box device for a work machine according to claim 1,
The storage box device for a working machine, wherein the first storage region includes a lower plate that is inserted through the other opening and protrudes outside the box of the storage box. In the storage box device of the work machine according to claim 1 or 2,
The work machine includes a traveling body and a revolving body that is disposed on the traveling body and to which the working device is attached and forms the vehicle body together with the traveling body,
A storage box device for a working machine, wherein the storage box is provided on the revolving structure. In the storage box device of the work machine according to claim 3,
The working device includes a boom attached to the swing body so as to be rotatable in the vertical direction, and a boom cylinder that drives the boom,
Forming another opening on the rear surface of the storage box;
A storage box device for a work machine, characterized in that the storage box is arranged so that the rear surface of the box is positioned in the vicinity of a bracket fixed to the revolving body and to which the boom cylinder is attached. The storage box device for a work machine according to claim 4,
The working device includes an arm attached to the tip of the boom and a bucket attached to the tip of the arm,
The bucket has a claw that is used during excavation work and can be attached to and detached from the bucket body,
A storage box device for a working machine, wherein the long article is composed of the claw of the bucket.

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