JP3356405B2 - Oil receiving container support device for oil filter of 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 device for supporting an oil filter container for an oil filter of a construction machine having an oil filter and a hydraulic pipe connected to the oil filter.

[0002]

2. Description of the Related Art A construction machine such as a wheel loader is provided with a hydraulic pump for driving a hydraulic cylinder or the like of a working device, and an oil filter for removing foreign matters mixed in oil is provided in a hydraulic circuit. Is provided. It is necessary to replace the filter element of the oil filter regularly or irregularly.When removing the filter element from the oil filter and replacing it with a new one, the oil accumulated inside the filter and the oil in the connection piping will spill out. Sometimes.

In such a case, conventionally, an oil receiving container is disposed below the oil filter inside the body of the construction machine, and the oil that spills during replacement is received and collected by the container. For example, a method of recovering by placing it on a lower floor (ground) is used.

[0004]

However, when a container is disposed inside the fuselage, the container is placed on a fuselage frame or equipment and becomes unstable, so that the work efficiency is reduced and the container is not placed in the container. There is a disadvantage that the received oil is accidentally spilled. On the other hand, when collecting the oil by placing a container on the floor below the body, the oil may spill and adhere to the body frame or equipment disposed below the oil filter. Therefore, it is necessary to clean and remove oil adhering to the body frame and the devices after the replacement work, which is troublesome.

[0005] When it is impossible to place an oil receiving container inside or below the machine body, a rag (a cloth used for wiping off dirt on machinery and the like) is placed on the floor surface and falls off. A method of soaking oil into the waste cloth is used. However, also in this case, oil may adhere to the body frame and the equipment, and it is difficult to completely recover the spilled oil with a waste cloth, and the oil often spills to the floor. Therefore, as in the case described above, it is necessary to clean and remove the oil adhering to the body frame and the equipment and the oil spilled on the floor surface.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an oil filter container for an oil filter of a construction machine which supports an oil container so that oil spilling from the inside of an oil filter or a pipe can be reliably recovered during a filter element replacement operation of an oil filter. It is to provide a support device.

[0007]

An embodiment of the present invention will be described with reference to FIGS. 1, 2, 4 and 6. FIG. (1) Explaining with reference to FIGS. 1 and 2, the oil filter oil receiving container supporting device according to the first aspect of the present invention has an oil filter 4 and hydraulic pipes 5 a and 5 b connected to the oil filter 4. The above object is achieved by providing a support member 2e for supporting the oil filter 4 and the oil receiving container 3 receiving the oil discharged from the hydraulic pipes 5a and 5b below the oil filter 4 in the construction machine. I do. (2) Explaining in connection with FIG. 4, the invention of claim 2 is the oil filter oil receiving container support device according to claim 1, wherein the support member 2e is detachably fixed to a construction machine. It is. (3) According to a third aspect of the present invention, in the oil filter oil receiving container supporting device according to the first or second aspect, the supporting member is a flat base 2e. (4) Explaining in connection with FIG. 6, the invention of claim 4 is the oil receiving container support device for an oil filter according to claim 1 or 2, wherein the support member extends in a substantially vertical direction. Shaft part 3 rotatably fixed to construction machinery
The arm members 20A, 20B and 20C each have an arm portion 301 extending substantially in the horizontal direction.

In the meantime, in the section of the means for solving the above-mentioned problems which explains the constitution of the present invention, the drawings of the embodiments of the present invention are used to make the present invention easy to understand, but the present invention However, the present invention is not limited to the embodiment.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the following, a wheel loader will be described as an example of a construction machine. -1st Embodiment-FIG. 5 is a side view of a wheel loader. An arm 7 is connected to the front of the fuselage so as to be able to move up and down, and a bucket 8 is rotatably connected to the tip of the arm 7. The bucket 8 is driven by a bucket cylinder 9. Driver's seat 10
An oil filter inspection / maintenance window 2 having an opening / closing door 2a is provided on a lower side surface (a portion indicated by reference numeral A) of the oil filter. Replace the filter element.

FIG. 1 is a detailed view of a side surface portion indicated by reference numeral A in FIG. 5, and FIG. 2 is a sectional view taken along line BB of FIG. In FIG. 1, reference numeral 1 denotes a body frame of a wheel loader, and an oil filter 4 is provided inside the body. In the example shown in FIG. 1, two oil filters 4 are provided, one each for the transmission 6 and for the hydraulic oil of the hydraulic drive circuit. The oil filter 4 includes a head cover 4a connected to the pipes 5a and 5b and a filter element 4b for filtering oil, and the attachment between the two is generally of a screw type.

The oil filter inspection / maintenance window 2 has a frame member 2b fixed to the body frame 1, and the above-mentioned opening / closing door 2a is attached to the frame member 2b so as to be opened and closed by a hinge 2d (see FIG. 2). Have been. When the filter element is replaced, the opening / closing door 2a is opened as shown by a two-dot chain line in FIG. 2, and as shown in FIG. 3, a pedestal 2e is provided by welding on the inside of the body of the frame member 2b.

As shown in FIG. 3, the oil receiving container 3 is placed on a pedestal 2e provided inside the body of the frame member 2b.
By placing the container 3 on the pedestal 2e in this manner,
The container 3 is disposed immediately below the oil filter 4 (see FIG. 2). Thereafter, the filter element 4b is rotated to remove it from the head cover 4a, and the filter element 4b is replaced with a new one. At this time, the filter element 4
b and the oil spilled from the head cover 4a
Therefore, the container 3 may be taken out of the body after the filter element 4b is replaced, and the oil therein may be disposed.

Without welding the pedestal 2e to the frame member 2b, FIG.
The pedestal 2e may be configured to be detachable from the frame member 2b as shown in FIG. A pedestal 2e is provided inside the body of the frame member 2b.
Is fixed to the frame member 2b, and the insertion portion 200 of the pedestal 2e is inserted into a slit 201 formed between the fixing member 2f and the frame member 2b.
The pedestal 2e is attached to the frame member 2b.

As described above, according to the present embodiment,
Since the oil receiving container 3 is mounted on the pedestal 2e provided below the oil filter 4 and the oil receiving container 3 is disposed immediately below the oil filter 4, the filter element 4b and the head cover 4a are provided. The oil spilled from the container can be collected by the container 3, and there is no need to perform the conventional oil cleaning and removing operation. As a result, the work efficiency of the oil filter replacement work can be improved.

Second Embodiment In the above-described first embodiment, a pedestal 2e as shown in FIGS. 3 and 4 is provided as a support member for supporting the oil receiving container 3, but this embodiment is not limited to this. In the embodiment, a brace type support member as shown in FIG. 6 is provided on the frame member 2b. Other configurations are the same as those of the first embodiment.

In FIG. 6A, 20A, 20B, 2
Reference numeral 0C denotes a cross arm that constitutes a support member.
OB and 20C are attached to the inside of the body of the frame member 2b by the fixing member 21. As shown in FIG. 6B, the arm 20A includes a rotating shaft 300 and an arm 301 extending horizontally, and the rotating shaft 300 is connected to the frame member 2b and the fixing member 21.
20A is attached to the frame member 2b by inserting it into the cylindrical gap 302 formed between the frame member 2b.
It should be noted that the arms 20B and 20C have the same configuration. The arms 20A to 20C each have a rotating shaft 300
, Whereby the arm 301 rotates in the horizontal direction.

When exchanging the filter element, the arms 20A to 20C are opened as shown in FIG. 6, and the oil receiving container 3 is carried into the body from outside the body and the arms 20A, 20B are inserted.
B and 20C can be placed on each arm 301.
These arms 20A, 20B, 20C may be removed from the frame member 2b at times other than when the oil filter is replaced.

FIGS. 7A and 7B are views for explaining a filter element replacement operation. FIG. 7A shows a case where a large oil receiving container 3A is used, and FIGS. 7B and 7C show a case where a small oil receiving container 3B is used. Shows the case. When a large container 3A is used as shown in FIG. 7A, three arms 20A, 20B,
All of 20C is used to support container 3A. On the other hand, FIG.
When the filter elements are replaced one by one using a small container 3B as shown in FIG. 7B and FIG. 7C, the replacement operation is performed in the following procedure.

First, as shown in FIG.
The container 3B is disposed immediately below the oil filter 4 on the right side by rotating 0C rightward in the figure, and the filter element of the oil filter 4 is replaced. Next, when replacing the filter element of the left oil filter 4, as shown in FIG. 7 (c), the arms 20A and 20B are rotated to the left in the figure to dispose the container 3B immediately below the left oil filter 4. I do. In this way, the filter elements are replaced in order.

FIG. 8 shows that the device is arranged near the oil filter 4 and the opening 303 of the frame member 2b (that is, the door 2).
a) cannot be increased. In such a case, a large container 3A as shown in FIG. 7 (a) may be used, or a small container 3B may be arranged vertically as shown in FIG. 7 (b) or FIG. Neither can it be arranged directly below the filter 4. Therefore, FIG.
As shown in (a), when replacing the filter element of the oil filter 4 on the right side in the figure, the arms 20B, 20C
Is rotated to the right in the figure, and the small container 3B is disposed obliquely to the right to perform the replacement operation. On the other hand, when replacing the filter element 4b of the oil filter 4 on the left, the arms 20A, 20B are rotated to the left in the drawing to rotate the container 3B.
Is installed diagonally to the left for replacement.

By the way, in the configuration in which the container 2 is supported by the pedestal 2e as in the first embodiment (see FIG. 2), in such a case, the width of the pedestal 2e is adjusted so that the pedestal 2e does not interfere with the equipment. There is no choice but to reduce the size (the size in the horizontal direction in FIG. 2), and there is a possibility that the container 3B becomes unstable when the small container 3B is disposed obliquely. However, in the present embodiment, the arms 20A, 20B, and 20C can be rotated and moved in the oil filter direction.
The container 3B can be stably supported.

Third Embodiment FIG. 9 is a view for explaining a third embodiment of an oil receiving container supporting device according to the present invention, and shows an oil filter 4 and an oil receiving container supporting device. is there. 30 is an oil receiving container 3
1 is a hanging rod that hangs directly below the oil filter 4.
Projections 31 a (provided at four places) are formed on the side surface of the container 31, and the container 31 is placed immediately below the oil filter 4 by hanging each projection 31 a on the L-shaped portion at the lower end of the hanging rod 30. Hanged. The upper end of each suspension bar 30 is attached to the body frame 1 (not shown) (see FIG. 1) by an attachment member 32. The attachment member 32
Is fixed to the body frame 1 by welding or the like. Normally, only the hanging rod 30 is provided in the body frame 1, and when the filter element is replaced, the opening / closing door 2a (see FIG. 1) is opened to carry the container 31 into the body, and the container 31 is inserted into the hanging rod 30.
Hanging.

Fourth Embodiment FIG. 10 is a view for explaining a fourth embodiment of an oil receiving container supporting device according to the present invention. In FIG. 10, reference numeral 40 denotes an arm that constitutes a support member, and a fixing member 41 similar to the arm 20A, 20B, or 20C of the second embodiment described above.
Thus, it is rotatably attached to the frame member 2b. 42
Denotes an oil receiving container, and a boom 40 is provided by a bolt 43.
Is fixed to the arm 40a. FIG. 10 shows only one of the two oil filters 4.

When replacing the filter element 4b, the arm 40 is rotated so that the position of the container 42 is directly below the oil filter 4. Then, as shown in FIG. 10, the filter element 4b is detached from the head cover 4a and placed in the container 42. Thereafter, the container 42 containing the filter element 4b is taken out of the fuselage, and the oil spilled into the filter element 4b and the container 42 is treated. At this time, the container 42 may be removed from the arm 40 and taken out of the fuselage.
The arm 40 may be pulled out from the fixing member 41 while being fixed at zero. Further, a crosspiece 40 and a container 42 may be provided for each of the two oil filters 4, or one of the crosspieces 40 may be rotated so as to correspond to the two oil filters 4.

In the correspondence between the embodiment described above and the elements in the claims, the pedestal 2e, the arms 20A to 20A
C and the arm 40 constitute a support member.

As described above, according to the present invention,
A support member is provided inside the machine body of the construction machine, and the oil receiver is supported by the support member, so that the oil receiver is disposed immediately below the oil filter. The oil discharged from the connected pipe and spilled falls into the oil receiving container. As a result, the spilled oil can be reliably recovered, and it is not necessary to perform the conventional oil cleaning and removing operation, and the operation efficiency of the oil filter replacement operation can be improved. In particular, in the invention of claim 4,
The position of the arm portion of the arm constituting the support member can be adjusted according to the position of the oil filter, and the oil receiving container can be more stably supported.

[Brief description of the drawings]

FIG. 1 is a detailed view of an opening / closing door 2a provided on a side surface of a wheel loader.

FIG. 2 is a sectional view taken along line BB of FIG.

FIG. 3 is a diagram illustrating a pedestal 2e.

FIG. 4 is a diagram showing a pedestal 2e configured to be detachable.

FIG. 5 is a side view of the wheel loader.

FIG. 6 is a view showing an oil receiving container supporting device according to a second embodiment of the present invention, wherein (a) is a perspective view of the oil receiving device,
(B) is a figure explaining the attachment method of 20A of arms.

FIG. 7 is a diagram for explaining an oil filter replacement operation;
(A) shows the case where the large container 3A is used, and (b) and (c) show the case where the small container 3B is used.

8A and 8B are diagrams illustrating a case where the opening 303 of the frame member 2b is small, in which FIG. 8A illustrates a case where the right filter element is replaced, and FIG. 8B illustrates a case where the left filter element is replaced.

FIG. 9 is a view showing an oil receiving container supporting device according to a third embodiment of the present invention.

FIG. 10 is a diagram showing an oil receiving container support device according to a third embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body frame 2 Window for oil filter inspection / maintenance 3, 3A, 3B, 31, 42 Container 2a Door 2b Frame member 2e Pedestal 4 Oil filter 4a Head cover 4b Filter element 5a, 5b Piping 20A, 20B, 20C, 40 Arm arm 30 Hanging rod 300 Rotation shaft 301, 40a Arm

Claims (4)

(57) [Claims] 1. A construction machine having an oil filter and a hydraulic pipe connected to the oil filter, wherein a support for supporting an oil receiving container for receiving oil discharged from the oil filter and the hydraulic pipe below the oil filter. An oil receiving container support device for an oil filter of a construction machine, wherein a member is provided in the construction machine. 2. The oil receiving container support device for an oil filter according to claim 1, wherein the support member is detachably fixed to the construction machine. Support device. 3. The oil filter container support for an oil filter of a construction machine according to claim 1, wherein the support member is a flat base. apparatus. 4. The oil filter container support device for an oil filter according to claim 1, wherein the support member extends in a substantially vertical direction and is rotatably fixed to the construction machine. An oil receiving container support device for an oil filter of a construction machine, comprising: a plurality of arms each having an arm portion and an arm portion extending in a substantially horizontal direction.