JP3288912B2 - Storage box for construction machinery - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage box for a construction machine, which is provided on a body frame of a construction machine such as a hydraulic shovel or a hydraulic crane and stores repair tools, greasing equipment and the like.

[0002]

2. Description of the Related Art FIG. 6 shows an example of a hydraulic excavator provided with a storage box for a construction machine according to the prior art.

In the drawings, reference numeral 1 denotes a lower traveling body, 2 denotes an upper revolving body rotatably mounted on the lower traveling body 1, and 3 denotes a main body frame constituting a base of the upper revolving body 2. The operator's cab 4, the machine room 5
Are arranged. A working device 6 is provided on the front side of the main body frame 3.

[0004] Reference numeral 7 denotes a storage box for construction machinery (hereinafter referred to as a "storage box 7") provided on the main body frame 3, and the storage box 7 is used for storing repair tools, greasing equipment and the like. It is.

The storage box 7 includes a box body 8 formed in a box shape and having an open upper side, and a cover 9 attached to the upper side of the box body 8 so as to be openable and closable. Approximately.

Further, the box body 8 includes a left plate portion (not shown), a right plate portion 8A, a front plate portion 8B, a rear plate portion (not shown), and a bottom plate portion (not shown) welded to each other. Then, they are formed by attaching them on the main body frame 3.

[0007]

However, the storage box 7 according to the prior art described above has the following problems.

That is, there are usually many types of hydraulic shovels having different sizes, and the width dimension (dimension A in FIG. 6) of the storage box 7 differs for each type. For this reason, in the prior art, the size of the storage box 7 must be set so as to be suitable for each model, and it is necessary to manufacture many types of storage boxes 7.

In this case, in the prior art, the storage box 7
, A left side plate portion, a right side plate portion 8A,
The shape, dimensions, etc. of at least six members such as the front plate portion 8B, the rear plate portion, the bottom plate portion, and the lid 9 must be set and molded for each model. More.

As a result, various types of press dies for molding the above members are required, which not only increases the production cost but also complicates the production. Also, if there are many types of each member,
There is a problem that their management becomes complicated and management becomes difficult.

The present invention has been made in view of the above-described problems of the prior art, and since there are a plurality of types of construction machines, even if the box size is variously changed, the number of types of constituent members is reduced. An object of the present invention is to provide a storage box for a construction machine, which can prevent complication of production and can simplify management of each component.

[0012]

[Means for Solving the Problems] To solve the above-mentioned problems.
Therefore, the invention according to claim 1 provides a main body frame of a construction machine.
Box with an opening on the top side
The body and the box so as to cover the opening of the box body.
Consisting of a lid that can be opened and closed on the box body
In a storage box for construction machinery, the box body
Are left and right side platesAnd between the left and right side plates.
BeConsists of a front plate and a rear plate,The left and right side plates
The part isBox body rhinoChangeChangeSame regardless of
Shape, same dimensionsAs a common memberComposed of the box
The main body isWidth dimensions of the front plate and rear plateofChangeBy
Size can be changedConstitutionBe donethingIs characterized by
You.

With this configuration, it is possible to manufacture a storage box for a construction machine suitable for each type of construction machine simply by changing the width of the front plate and the rear plate of the box body. Can be. Further, the left and right side plates can be shared regardless of the type of construction machine.

[0014] The invention according to claim 2 is the above-mentioned lid.
A, regardless of the size change of the box body, the same
Shape, that make up a common member of the same dimensions.

[0015] With this configuration, the lid can be shared regardless of the type of construction machine.

According to a third aspect of the present invention, a flange-up portion is integrally formed on the upper edges of the left and right side plates, the front plate and the rear plate so as to surround the opening of the box body. It has been formed.

With this configuration, the outer edge of the opening of the box body rises, and the position of the opening is one step higher than the surrounding area.

Further, the invention according to claim 4 is characterized in that the lid is configured to cover the flange-up portion from above so as to cover an opening in the box body.

With such a configuration, the opening of the box body can be reliably closed.

[0020]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIGS. 1 to 4 show a case where the storage box for construction equipment according to the first embodiment of the present invention is applied to a hydraulic shovel.

In the figure, reference numeral 11 denotes a storage box for construction equipment according to the present embodiment (hereinafter referred to as "storage box 11"). 3.

The width B of the storage box 11 is
It is set differently for each type of hydraulic excavator. That is,
The size (width B) of the storage box 11 is changed so as to be compatible with each type of hydraulic excavator. For example, when the excavator is a large model, the width B of the storage box 11 is set relatively long, and when the excavator is a small model, the width B is set relatively short.

Numeral 12 designates a part of the storage box 11, which is a box main body according to the present embodiment fixedly provided on the main body frame 3. The box main body 12 includes a left side plate portion 13 and a right side The plate portion 14, the front plate portion 15 and the rear plate portion 16 are respectively joined by welding, and these are attached to the bottom plate portion 17 to form a hollow box. An opening 19 described later is formed on the upper side of the box main body 12 so that repair tools, greasing equipment, and the like can be put in and out of the box main body 12 through the opening 19. It has become.

Reference numeral 13 denotes a left side plate portion forming the left wall surface of the box body 12, and the left side plate portion 13 is formed in a substantially rectangular shape extending in the length direction by a metal plate. Further, as shown in FIG.
3A and the lower edge 13B are integrally formed by press molding, and have a substantially U-shaped cross section. Further, a flange-up portion 13C formed integrally with the upper edge portion 13A is formed on the right end side of the upper edge portion 13A by press-forming so that the edge portion rises smoothly upward. Further, the left side plate portion 13 is a common member that is press-formed in a constant shape and size regardless of the width B of the storage box 11 that differs for each type of hydraulic excavator.

Numeral 14 designates a right side plate constituting the right wall surface of the box body 12. The right side plate 14 has an upper edge portion 14A, a lower edge portion 14B and a flange in substantially the same manner as the left side plate portion 13. The up portion 14C is integrally formed by press molding. The right side plate portion 14 is provided with the left side plate portion 13.
Almost the same as above, regardless of the width B of the storage box 11 that differs for each type of hydraulic excavator, the storage box 11 is a common member that is press-formed in a fixed shape and size.

Reference numeral 15 denotes a front plate portion forming the front wall surface of the box body 12, and the front plate portion 15 is provided on the left side plate portion 1.
3, formed of a metal plate similarly to the right side plate portion 14. As shown in FIG. 3, an upper edge portion 15A and a lower edge portion 15B are integrally formed on the front plate portion 15 by press molding, and have a substantially U-shaped cross section. Further, the upper edge portion 15A of the front plate portion 15 has an upper side with the flange-up portions 13C and 14C of the left side plate portion 13 and the right side plate portion 14.
Flange up part 15C extended to the same height as
Is composed. The width C of the front plate 15 is set differently depending on the model of the excavator, and is changed as the width B of the storage box 11 is changed.

Reference numeral 16 denotes a rear plate constituting the rear wall surface of the box body 12, and the rear plate 16 has the front plate 1
5, the upper edge 16A and the lower edge 16B are formed by press molding. A flange-up portion 16C is formed integrally with a front end of the upper edge portion 16A so that the edge portion smoothly rises upward. Further, the rear plate portion 16 is provided with the front plate portion 1.
The width dimension C of the storage box 11 is the same as the width dimension C of the storage box 11 and the model of the hydraulic shovel is changed.

Reference numeral 17 denotes a bottom plate constituting the bottom surface of the box body 12, and the bottom plate 17 is formed integrally with the body frame 3 of the excavator. That is, the left side plate 13 and the right side plate 1 of the box main body 12 are placed on the main body frame 3.
4, after the front plate 15 and the rear plate 16 are respectively joined by welding or the like, they are mounted on the main body frame 3 by bolts 18, so that a part of the main body frame 3 becomes the bottom plate 17, thereby forming a box. The main body 12 is formed in a hollow box shape. The width of the bottom plate 17 (the width of the space on which the storage box 11 is placed on the main body frame 3) is the same as that of the front plate 15 and the rear plate 16, and differs depending on the type of hydraulic excavator. It is set and changed as the width dimension B of the storage box 11 is changed.

As shown in FIG. 2, a part of the main body frame 3 which is the bottom plate part 17 is provided with a rising part 17A having a rectangular communicating part formed therein. The inside of the box 3 communicates with the inside of the box body 12 so that the volume of the storage box 11 is enlarged.

Reference numeral 19 denotes an opening formed on the upper side of the box body 12, and the flange-up portions 13C, 14C, 15C, 1 are formed so as to surround the outer periphery of the opening 19.
6C, and the outer periphery of the opening 19 is formed so as to bulge upward. Here, the width dimension D of the opening 19 including the flange-up portions 13C and 14C, that is, the width from the outer surface of the flange-up portion 13C of the left side plate portion 13 to the outer surface of the flange-up portion 14C of the right side plate portion 14. The dimension D is set differently depending on the type of the excavator, and is changed as the width B of the storage box 11 is changed.

Reference numeral 20 denotes the flange-up portions 13C, 14
C, 15C, and 16C denote sealing members fixed to the upper surfaces of the opening members 19 by using an adhesive or the like. Each of the sealing members 20 is formed of a resin having a sealing property and is provided so as to surround the outer periphery of the opening 19. I have. Then, the sealing member 20
Is a cover plate 2 of the lid 21 when the lid 21 described later is closed.
1A is abutted in an elastically deformed state to seal the opening 19.

Reference numeral 21 denotes a lid provided so as to cover the opening 19 of the box body 12 from above.
1 is attached to the upper edge 16A of the rear plate 16 constituting the box body 12 via hinges 22 so as to be openable and closable.

The cover 21 is formed by press-forming a metal plate. As shown in FIG. 3, a cover 21A having a horizontal surface and a bent portion whose front side is largely bent downward, as shown in FIG. 21B, a bent portion 21C in which the rear edge of the cover plate 21A is bent downward, and bent portions 21D, 2 in which the left and right edges of the cover plate 21A are bent downward, respectively.
1E. And the lid 21
At least the flange-up portions 13C, 14C, and 15 are provided so that the bent portions 21B, 21C, 21D, and 21E cover the opening 19 of the box body 12.
C, 16C are covered from above.

The lid 21 is a common member that is press-formed in a fixed shape and size regardless of the width B of the storage box 11 that differs for each type of hydraulic excavator. Therefore, the width dimension E of the lid 21
Is always a fixed size.

Here, the setting of the width dimension E of the lid 21 will be described. First, as the size (width B) of the storage box 11 is changed, the flange-up portion 13
The width dimension D of the opening 19 including C and 14C is changed. However, the lid 21 must always be configured to cover the flange-up portions 13C, 14C, 15C, and 16C from above, no matter how long the width dimension D is. For this reason, the width dimension E of the lid 21 is set to be always longer than the width dimension D of the opening 19 including the flange-up portions 13C and 14C.

Reference numeral 23 denotes a lock mechanism for holding the lid 21 in the box body 12 in a closed state.
Are hooks 23A provided on the bent portion 21B of the lid 21.
And a hook receiver 23 </ b> B provided on the front plate portion 15 of the box main body 12, and the lid 21 is configured to be detachable from the box main body 12.

Reference numerals 24, 24 designate a box body 12 and a lid 21.
And a pair of gas springs (only one is shown) provided on the left and right sides, respectively, and each of the gas springs 24 has one end attached to the box body 12 and the other end attached to the lid 21. ing. Each of the gas springs 24 extends when the lid 21 is opened upward as shown by a two-dot chain line in FIG. 3 to smooth the opening operation.

The storage box 11 according to this embodiment has the above-described configuration. Next, the assembly of the storage box 11 will be described.

First, the left side plate portion 13 of the box body 12,
Press processing is performed using the right side plate portion 14 and the lid 21 as common members. Further, the front plate 15 and the rear plate 16 of the box body 12 are press-worked by setting the width dimension C so as to be compatible with the type of the excavator. The bottom plate 17 is formed integrally with the main body frame 3.

Here, with the change of the hydraulic excavator model,
When changing the size (width B) of the storage box 11, only the width C of the front plate 15, the rear plate 16 and the bottom plate 17 needs to be changed.

Next, the left side plate portion 13 of the box body 12
The right side plate portion 14, the front plate portion 15, and the rear plate portion 16 are welded to form the box body 12 as shown in FIG. And
Left side plate portion 13, right side plate portion 14, front plate portion 15, rear plate portion 16
The seal member 20 is attached to the upper edges 13A, 14A, 15A and 16A of the box body 12 and the lid 2 is attached to the box body 12.
1 is attached via each hinge 22 and each gas spring 24. Further, the lock mechanism 23 is attached to the box body 12 and the lid 21.

Finally, the box body 12 to which the lid 21 is attached is attached to the bottom plate 17 which is a part of the main body frame 3 with each bolt 18. Thus, the storage box 11 is completed.

Thus, according to the present embodiment, when the size (width B) of the storage box 11 is changed so as to be compatible with each type of hydraulic excavator, the box body 12 is
The left side plate portion 13, the right side plate portion 14 and the lid 21 are common members, and the width dimension C of the front plate portion 15, the rear plate portion 16 and the bottom plate portion 17 is changed. Regardless of the change, the left side plate portion 13, the right side plate portion 14, and the lid 21 can be shared.

Thus, in the case of the storage box 7 according to the prior art, the left side plate portion and the right side plate portion 8 of the box body 8 are formed.
A, at least six members such as the front plate portion 8B, the rear plate portion, the bottom plate portion, and the lid 9 had to be manufactured in different sizes and shapes for each model. In the case of the storage box 11 according to the embodiment, it is sufficient to manufacture three members, such as the front plate portion 15, the rear plate portion 16, and the bottom plate portion 17, having different widths for each model. For this reason, the types of members constituting the storage box 11 can be significantly reduced.

Accordingly, the left plate 13, the right plate 14, and the lid 21 can be formed by a single press die, and the manufacturing cost of the press die can be reduced. 14. The production of the lid 21 can be greatly simplified.

In addition, since the number of types of members constituting the storage box 11 is reduced, inventory management and the like of each member can be greatly simplified, and the management cost can be reduced.

The left side plate portion 13 of the box body 12
Upper edge 13 of right side plate 14, front plate 15, rear plate 16
A, 14A, 15A, 16A with flange up part 13
Since C, 14C, 15C, and 16C are integrally formed, the outer edge of the opening 19 can be positioned one step higher than the periphery thereof. Thereby, with the lid 21 closed, the lid plate 21A of the lid 21 can be reliably brought into contact with the seal member 20 provided on the upper surface of the flange-up portions 13C, 14C, 15C, 16C, External rainwater or the like can be prevented from entering the box body 12 through the opening 19.

Further, the bent portions 21B and 21
C, 21D, and 21E are formed to cover the opening 19 and the flange-up portions 13C, 14C, 15C, and 16C from above so as to cover the opening 19 of the box body 12. The part 19 can be reliably closed. Thereby, it is possible to more effectively prevent rainwater or the like from entering the box body 12.

Next, FIG. 5 shows a second embodiment of the present invention, which is characterized in that the storage box for construction equipment is applied to a hydraulic excavator of a relatively small model. The same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be partially omitted.

In the drawing, reference numeral 31 denotes a storage box for construction equipment according to the present embodiment (hereinafter referred to as "storage box 31"). The storage box 31 is substantially the same as the storage box 11 shown in the first embodiment. Is provided on the body frame 3 of the hydraulic shovel. However, the storage box 31 according to the present embodiment is provided in a hydraulic excavator of a relatively small model, and has a width B ′ shorter than that of the storage box 11 according to the first embodiment.

Reference numeral 32 denotes a box main body according to the present embodiment. The box main body 32 is substantially the same as the box main body 12 according to the first embodiment, and includes a left side plate portion 13, a right side plate portion 14, and a front plate portion (see FIG. Not shown), rear plate 33 and bottom plate 3
4 to form a hollow box, and an opening 35 is formed in the upper part. However, the box body 32 of the present embodiment
Has a width dimension B ', so that the overall volume is smaller than that of the box body 12 according to the first embodiment.

Here, of the left side plate portion 13, the right side plate portion 14, the front plate portion (not shown), the rear plate portion 33 and the bottom plate portion 34 constituting the box body 32, the left side plate portion 13 and the right side plate portion The portion 14 is a common member, and is formed of a member having the same shape and dimensions as those of the box body 12 according to the first embodiment.

On the other hand, the front plate portion, the rear plate portion 33 and the bottom plate portion 3
4 has a different width from the front plate 15, the rear plate 16 and the bottom plate 17 constituting the box body 12 of the first embodiment. That is, since the width B 'of the storage box 31 according to the present embodiment is shorter than the width B of the storage box 11 according to the first embodiment, as shown in FIG. The plate portion, the rear plate portion 33 and the bottom plate portion 34 each have a width dimension C ', and the widths of the front plate portion 15, the rear plate portion 16 and the bottom plate portion 17 constituting the box body 12 according to the first embodiment of FIG. It is set shorter than the dimension C.

However, the box body 12 according to the present embodiment.
The other configurations of the front plate portion, the rear plate portion 33 and the bottom plate portion 34 are the same except that the width dimension C 'is different from that of the first embodiment. That is, an upper edge, a lower edge, and a flange-up portion are integrally formed on the front plate portion. An upper edge 33A, a lower edge 33B, and a flange-up portion 33C are integrally formed on the rear plate portion 33, respectively.

Further, the bottom plate portion 34 is formed integrally with the body frame 3 of the hydraulic shovel,
4A. A seal member 36 is provided on the upper surface of each of the flange-up portions.

Further, since the front plate portion, the rear plate portion 33 and the bottom plate portion 34 are set to have the width dimension C ', the dimension of the opening 35 including the flange-up portions 13C and 14C is the width dimension D'. Thus, the width D is shorter than the width D of the opening 19 of the storage box 11 according to the first embodiment.

On the other hand, the box body 32 is provided with the same lid 21 as in the first embodiment so as to cover the opening 35 from above, and the lid 21 is provided in the first embodiment. Rear plate part 33 constituting the box body 32 as in the example
Is openably and closably attached to the upper edge 33A via a pair of hinges.

Here, the lid 21 is a common member, and has the same shape and dimensions as those of the first embodiment.
Therefore, although the storage box 31 has a width B ′, which is shorter than the width B of the storage box 11 according to the first embodiment, the lid 21 is the same as the first embodiment. It is a width dimension E. Even in this case, the lid 2
1 is longer than the width D 'of the opening 35 including the flange-up portions 13C and 14C, so that the bent portions 21D and 21E of the lid 21 are positioned above the flange-up portions 13C and 14C when the cover is closed. To cover from.

The storage box 31 according to the present embodiment has the above-described configuration. The assembling of the storage box 31 is performed by setting the front plate portion and the rear plate portion 33 of the box body 32 to the width dimension C ′ and performing press working.
It is the same as the first embodiment except that the bottom plate portion 34 integrally formed with the main body frame 3 is set to the width dimension C '. That is, the left plate 13, the right plate 14, and the lid 2
Since 1 is a common member, the same members as those in the first embodiment can be used.

Thus, according to the present embodiment configured as described above, substantially the same operation and effect as those of the first embodiment can be obtained.

In each of the above embodiments, the hinge 21 is attached to the rear plate 16 (33) of the box body 12 (32).
2, it can be opened and closed in the front-rear direction.
The present invention is not limited to this.
It is good also as a structure which can be closed.

In each of the above embodiments, the box body 1
The 2 (32) bottom plate portion 17 (34) is configured as a part of the main body frame 3, but the present invention is not limited to this.
The bottom plate is formed in a flat plate shape from a metal plate separately from the main body frame 3, and the bottom plate is formed by the left plate 13, the right plate 14,
The front plate 15 and the rear plate 16 (33) may be welded and joined together to form the box body 12 (32).

Further, in each of the above embodiments, the case where the storage box for the construction machine is provided on the hydraulic shovel has been described as an example. However, the present invention is not limited to this, and other construction machines such as a hydraulic crane and a backhoe are used. May be provided.

[0065]

As described above in detail, according to the invention described in claim 1, the box body is left, side plate portions of the right, made front plate portion and Koita part, varying sizes of the box body Change
Regardless of the size, the left and right side plates have the same shape and the same size as the common member, so that the width of the front plate and the rear plate can be changed .
The size of the box body can be changed, so that when manufacturing each member, the type of manufacturing equipment such as a press die can be reduced, and the manufacturing cost can be reduced. Can be simplified. Further, it is possible to prevent complicated management of each member constituting the box body.

[0066] According to the invention described in claim 2, the lid is the same shape regardless of the size change of the box body,
Because was configured to a common member of the same dimensions, when producing the lid member, a manufacturing apparatus of a press type or the like of the lid unit can be shared, it is possible to reduce manufacturing costs, manufacturing Simplification and member management can be simplified.

According to the third aspect of the present invention, the upper edges of the left and right side plates, the front plate, and the rear plate of the box body surround the openings of the box body. Since the flange-up part is formed integrally, rainwater, etc., entering the box body is
Thus , repair tools, greasing equipment and the like stored in the box body can be reliably protected.

Further, according to the fourth aspect of the present invention,
Since the lid is configured to cover the flange-up portion from above so as to cover the opening in the box body, it is possible to prevent rainwater or the like from entering the box body by the flange-up portion and the lid.
It can be prevented by the body, and the repair tool and the greasing equipment stored in the box main body can be reliably protected.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a storage box of a hydraulic shovel according to a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view in the direction of arrows II-II in FIG.

FIG. 3 is an enlarged sectional view taken in the direction of arrows III-III in FIG.

FIG. 4 is an assembly view of the storage box in FIG. 1;

FIG. 5 is a sectional view of a storage box of a hydraulic shovel according to a second embodiment of the present invention.

FIG. 6 is an overall view showing a conventional hydraulic excavator.

[Explanation of symbols]

3 Body frame 11, 31 Storage box for construction equipment 12, 32 Box body 13 Left side plate 13A, 14A, 15A, 16A, 33A Upper edge 13C, 14C, 15C, 16C, 33C Flange up part 14 Right side plate 15 Front Plate portion 16, 33 Rear plate portion 19, 35 Opening 21 Lid 21B, 21C, 21D, 21E Bent

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E02F 9/08 B60N 3/00

Claims (4)

(57) [Claims] Claims: 1. A construction machine is provided on a body frame of a construction machine,
A box body having an opening formed on an upper side thereof, and an opening formed in the box body so as to cover the opening of the box body.
In construction equipment storage box comprising a lid mounted for closing, before Symbol box body, left, and right side plate portion, said left and right
Consists of a front plate portion and a rear plate portion provided between the side plate portions ,
The left and right side plate portions, size change of the box body
Configuration same shape, as a common member of the same size regardless of the
The box body is configured to be changeable in size by changing a width dimension of the front plate portion and the rear plate portion. Wherein said lid body is the size of the box body
Regardless of change, and the same shape, and common member of the same size
Construction machinery storage box according to claim 1 comprising form configured Te. 3. A flange-up portion is integrally formed on an upper edge of the left and right side plate portions, the front plate portion, and the rear plate portion so as to surround an opening of the box body. Or the storage box for construction machines according to 2. 4. The storage box for a construction machine according to claim 3, wherein the lid is configured to cover the flange-up portion from above so as to cover an opening in the box body.