JP2006335201A - Work vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a work vehicle with a small rear turning radius, in which the slide quantity or reclining angle of the driver's seat can be increased. <P>SOLUTION: On the back of the driver's seat directed forward, unillustrated, an interior panel of which upper surface part is covered with a rear cover 20 is disposed. In a space part between the rear cover 20 and the interior panel, a magazine box 34 is formed, and an opening part 31 formed in the rear cover 20 is set as an opening part of the magazine box 34. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a storage section disposed in a cab, and more particularly to a rearward-turning work vehicle capable of improving the efficiency of a space in the cab.

  Conventionally, in a small rear turning type work vehicle, the rear position of the cab is regulated so as to be within the range of the ultra small turning. For this reason, the space itself that can be used for disposing a storage section, a driving seat, and the like for storing objects in the cab is narrowly limited. On the other hand, it is desired that the operator can rest in a comfortable posture during a break time or the like by increasing the reclining angle while securing the sliding amount of the driving seat in the cab.

  That is, it is strongly desired that the reclining angle can be increased while securing the sliding amount of the driving seat, and the storage portion in the cab is efficiently arranged.

  For example, Patent Document 1 discloses an invention relating to the applicant of the present application, in which a storage unit can be efficiently arranged by effectively using a space in a cab. The storage part described in Patent Document 1 is formed in the space between the interior panel of the cab and the side cover, and is shown in FIG. 9 as a conventional example.

  As shown in FIG. 9, the storage unit 60 includes an upper plate 55 as an upper surface portion, a lower plate 56 as a bottom surface portion, a side cover 54 as a front surface portion, and an interior panel 53 as a back surface portion. Yes.

  In addition, partition plates 57 and 58 are disposed on both side surfaces of the storage unit 60. The partition plates 57 and 58 are fixed over the interior panel 53, the side cover 54, and the upper and lower plates 55 and 56. Further, between the upper plate 55 and the side cover 54 of the storage unit 60, there is a notch portion cut out in the depth direction in the upper plate 55 and a notch portion cut out in the height direction in the side cover 54. The entrance / exit 59 for the stored items is formed.

  With this configuration, a space between the cab interior panel 53 and the side cover 54 is configured as a storage space. Accordingly, the product can be stored in the storage unit 60 without the product projecting inward of the cab. For this reason, the space in the cab can be used effectively.

  In addition, the space between the frames 51 and 52 that has not been used can be effectively used as a large storage space. Further, since the entrance / exit 59 of the stored item is opened from the upper surface to the side surface of the storage unit 60, a sufficient opening area can be secured, and the entrance / exit 59 extends to the vicinity of the side surface of the storage unit 60. Therefore, the stored items can be easily put in and out without inserting a hand into the storage portion 60 more than necessary.

Further, the storage unit 60 is configured in a rectangular shape, and the partition plates 57 and 58 that configure the side surface of the storage unit 60 are respectively provided on the left and right sides of the entrance / exit 59 with the interior panel 53, the side cover 54, and the upper and lower plates 55 and 56. It is fixed to. For this reason, the intensity | strength of the cab in the site | part which has arrange | positioned the accommodating part 60 can be improved. Moreover, the partition plates 57 and 58 prevent the stored items from entering the back through the entrance / exit 59 of the storage unit 60, and the stored items can be easily taken out from the storage unit 60.
Japanese Patent Laid-Open No. 10-266269

  As shown in Patent Document 1, the storage unit 60 can be effectively configured even in a rear small turning type work vehicle. However, since the storage section 60 is formed between the frames 51 and 52, the size of the entrance / exit is limited by the space between the frames 51 and 52. For this reason, for example, it is difficult to arrange a plurality of operation manuals between the frames 51 and 52 while shifting the titles of the respective operation manuals from side to side so that they can be read from the outside. Therefore, it is necessary to store a plurality of operation manuals in a state where they are stacked one after the other, and it is difficult to easily select a desired operation manual.

  In the present invention, the above-described problems can be solved in the small rear turning type work vehicle. For example, the small rear wheels can be arranged side by side so that the titles of a plurality of operation manuals can be read from the outside. The object is to provide a turning work vehicle. In addition, the present invention provides a small rear turning type work vehicle that can increase the sliding amount and reclining angle of the driving seat without sacrificing the sliding amount and reclining angle of the driving seat in the cab. There is to do.

The object of the present invention can be achieved by the inventions described in claims 1 to 4.
That is, according to the present invention, as described in claim 1, the most important feature is that a magazine box is disposed on the interior panel in the rear portion of the operation seat in the cab.

In the present invention, as described in claim 2, the main feature is that the configuration of the magazine box is specified.
Furthermore, as described in claims 3 and 4, the present invention has a main feature that a utility stand is configured in the cab and the configuration of the utility stand is specified.

  In the present invention, since the magazine box is arranged on the interior panel at the rear of the operation seat, the opening of the magazine box can be formed wide. For this reason, for example, a plurality of operation manuals can be arranged in the magazine box while being shifted left and right, and a desired operation manual can be easily selected.

  In addition, the magazine box can be installed by arranging the electrical components including the controller, which has been installed on the interior panel behind the driver's seat, vertically and concentratedly in the space at the left rear part of the driver's seat. Moreover, the operation manual and the like stored in the magazine box can be stored in a state tilted to the rear side of the cab. For this reason, the space behind the driving seat can be enlarged, and the sliding amount and the reclining angle of the driving seat can be increased.

  By these things, it becomes possible to set it as the comfortable attitude | position which made the driving seat fall and reclined at the time of a break. In addition, the occupancy in the cab can be greatly improved even for large operators.

  In particular, as described in claim 2, the width of the opening of the magazine box can be arbitrarily adjusted by setting the magazine box storage section between the rear cover covering the interior panel. In addition, the operation manual and the like can be stored in a direction in which the backrest portion of the operation seat and the operation manual stored in the magazine box do not interfere with each other. Thereby, the reclining angle of the backrest part can be increased.

  In addition, as described in claim 3, a utility stand on which a lunch box or the like can be placed can be disposed on either the left or right side rear side of the operation seat. By configuring the utility table so that an American-sized lunch box can be placed, it is possible to have lunch in the cab.

  By securing an area where an American-sized lunch box can be placed on the utility stand, the utility stand can also function as a personal computer placement stand for inspecting electrical components and the like. Thereby, the work efficiency at the time of repair inspection of electrical components etc. can be improved significantly.

  In addition, as described in claim 4, the placement object placed on the utility table can be restrained by the restraining member. Thereby, it is possible to reliably prevent, for example, a lunch box or the like placed on the utility table during work of the work vehicle from dropping due to vibration of the work vehicle or the like.

  Therefore, while the operator is operating the work vehicle, there is no need to pay attention to whether the object placed on the utility table is dropped, and the operator is not aware of the object that has been dropped from the utility table. You can concentrate on the work without being cut.

  Preferred embodiments of the present invention will be specifically described below with reference to the accompanying drawings. As a work vehicle according to the present invention, a description will be given below by taking as an example a small rear turning type hydraulic excavator. However, the rear small turning type work vehicle according to the present invention can use other rear small turning type work vehicles in addition to the rear small turning type hydraulic excavator.

  In addition to the shape of the interior panel and the rear cover described below, if the shape and arrangement configuration can solve the problems of the present invention, the rear small turning type work vehicle according to the present invention is used as the shape and arrangement configuration. Can be adopted as. For this reason, this invention is not limited to the Example demonstrated below, A various change is possible.

  In FIG. 1, reference numeral 1 denotes a rear small turning hydraulic excavator. The small rear swivel excavator 1 includes a lower traveling unit 2 having a crawler traveling device driven by a hydraulic motor (not shown). On the upper part of the lower traveling unit 2, an upper revolving body 3 that can pivot with respect to the lower traveling unit 2 is disposed.

  The upper swing body 3 is provided with a working machine 4, a machine room 8 on which an engine (not shown) and the like are mounted, and a cab 10. When the upper swing body 3 swings, the cab 10 and the rear portion (counter weight portion) disposed on the upper swing body 3 are disposed so as to be within a predetermined swing range.

  The work machine 4 has a boom 6 whose distal end side is disposed and supported so as to be pivotable in the vertical direction, and whose proximal end side is pivotally supported by the upper swing body 3. The base end side of the arm 6 is pivotally supported at the distal end portion of the boom 6. The tip end side of the arm 6 can be rotated by the arm driving cylinder. A work machine unit 7 such as a bucket or a crusher is attached to the tip of the arm 6 so as to be rotatable and detachable.

  An engine (not shown) or the like is mounted in the machine room 8 provided in the upper swing body 3. The machine room 8 is provided with an exterior panel 9 that closes the upper surface side so that it can be opened and closed. As the configuration of the exterior panel 9, a configuration in which the side surface side of the machine room 8 is largely opened instead of the configuration in which the upper surface side of the machine room 8 is opened may be employed. At this time, an open / close lid for inspection can be separately configured on the upper surface of the machine room 8.

  A cab 10 serving as a driver's cab is disposed at a position deviated from the turning center of the upper turning body 3. The cab 10 is provided adjacent to the work machine 4. Further, the left and right side surfaces 15a and 15b, the front surface 17 and the rear surface 14 are formed in a substantially rectangular box shape with a substantially translucent wall so that the operation state of the work machine 4 can be easily confirmed. . A column 18 communicated with the ceiling 16 is disposed in a box-shaped corner or the like.

As shown in a plan sectional view of the cab 10 in FIG. 2, the outer side surface portion 15a of the cab 10 is formed with a curved surface that swells outward, and the outer side surface portion 15a is provided with a slide door 11. The radius of curvature of the rear half of the outer side surface 15a is configured to be smaller than the radius of curvature of the front half. Further, when the slide door 11 is opened and closed, the movement trajectory of the outer edge portion of the slide door 11 is arranged so as to be within the turning radius of the outer edge portion of the upper swing body 3.
In addition, as a structure of the cab 10, it is not limited to the structure mentioned above, A well-known structure can be employ | adopted as a cab of a back small turning type work vehicle.

  As shown in FIG. 2, an operation seat 12 on which an operator sits is provided in the cab 10. As shown in FIG. 4, the driving seat 12 has a stool, a backrest 12a provided on the stool, and a pair of armrests 12b provided in the left-right direction of the stool. On the front part of the armrest 12b, an operation lever, a console and the like (not shown) are arranged. The operation seat 12 is arranged to be slidable in the front-rear direction, and the backrest 12a is configured to be reclining.

  A utility stand 32 is disposed at the left rear portion of the operation seat 12. The utility table 32 is provided with a band 33 as a restraining member for holding an article placed on the utility table 32. A separation connector such as a buckle is disposed at each end of the band 33 so that the ends of the band 33 can be separated and connected. Further, the band 33 is urged so that it can be housed on the lower side of the utility base, except for the opening coupling such as a buckle.

  That is, the band 33 can normally leave the side to which the connected buckle etc. were attached on the utility stand 32 as shown in FIG. As shown in FIG. 4, when an American-sized lunch box 36 or the like is placed on the utility table 32, the lunch box 36 or the like is removed from the band 33 by lifting the portion protruding on the utility table 32 and pulling it out. Can be restrained and held.

  FIG. 3 is a perspective view showing the rear side in the cab 10 in a state where the operation seat 12 is not shown. FIG. 4 is a perspective view of the main part showing the operation seat 12 and the utility base 32.

  As shown in FIGS. 2 and 3, an opening 31 of the magazine box 34 is formed on the rear side of the operation seat 12. As shown in FIG. 5, which is a VV cross-sectional view of FIG. 2, a space portion formed between the rear cover 20 and the interior panel body 21 is covered with a rear cover 20 indicated by a solid line on the surface side of the interior panel body 21. Is configured as a storage space for the magazine box.

  Note that a rear cover 20 'indicated by a dotted line in FIG. 5 indicates the configuration of the rear cover 20' in a conventional work vehicle. The rear cover 20 indicated by a solid line indicates the configuration in the present invention.

  In the space between the rear cover 20 'and the interior panel body 21 in the conventional work vehicle, electrical components such as the controller 40 and the pump register 41 are disposed. For this reason, the rear cover 20 ′ is configured to protrude toward the operation seat 12. Accordingly, the sliding amount of the driving seat 12 to the rear and the reclining angle of the backrest 12a are regulated by the protruding amount of the rear cover 20 '.

  In the present invention, as will be described later, the electrical components including the controller 40, the pump register 41, and the like are concentrated vertically and vertically in the space portion in the left rear portion of the operation seat 12 in FIG. And the magazine box 34 is arrange | positioned in the place in the back of the driving | running | working seat 12 which moved electrical components, such as the controller 40 and the pump register 41, and was vacant.

  For this reason, as shown by the solid line in FIG. 5, the amount of protrusion of the rear cover 20 'toward the operation seat 12 can be reduced. Moreover, the magazine box 34 can store magazines such as operation manuals inserted from the opening 31 as shown in FIG. 5 in a state along the inclination direction of the rear cover in FIG.

  Thereby, the reclining angle of the backrest 12a can be increased. Therefore, it is possible to greatly improve the comfort state when the operator is resting and the comfortability in the cab 10 for a large operator.

  As shown in FIG. 5, a rib 35 is formed on the rear surface side of the rear cover 20 to support a lower end portion of a magazine or the like stored in the magazine box. Further, the rear cover 20 that covers the interior panel body 21 has a configuration as shown in the perspective view of FIG. 6 in order to improve the designability in the cab 10. The shape of the rear cover 20 is not limited to the shape shown in FIG. 6, and an appropriate configuration can be adopted in relation to the configuration in the cab 10.

  In the upper part of the rear cover 20, a blowout port 30 is formed for blowing out air from the air conditioning duct. Below the opening 31 of the magazine box 34, there is formed an opening 39 through which small items, foreign objects, etc. can be easily taken out when the magazine box 34 enters the magazine box 34.

  An electrical component inspection window 22 formed on the rear cover 20 is configured to be freely opened by an inspection cover 24. As shown in FIG. 8, an extension portion 24 b that can be inserted into and extracted from an insertion hole formed in the peripheral portion of the electrical component inspection window 22 is formed at one end portion of the inspection cover 24. 8 shows a sectional view taken along line VIII-VIII in FIG.

  Further, a hooking portion 24a such as a finger is formed on the other end side of the inspection cover 24 so that the inspection cover can be opened with a finger or the like without a tool. Further, an elastically deformable engaging portion 24c for detachably locking the inspection cover 24 with the rear cover 20 is formed on the back surface side of the other end portion where the hooking portion 24a is formed.

  A perspective view when the inspection cover 24 is removed from the rear cover 20 and the electrical component inspection window 22 is opened is shown in FIG. By opening the electrical component inspection window 22, parts for inspection and maintenance such as the fuse 26, the service connector 29, the relay 28, and the emergency switch 27 can be exposed.

  The interior panel 21a to which parts for inspection and maintenance and electrical components are attached may be integrally configured as a part of the interior panel body 21, or may be configured separately from the interior panel body 21 and with respect to the interior panel body 21. It can also be set as the structure attached detachably. The interior panel 21a for mounting electrical components and the like has a bent shape as shown in FIG. 8, and the above-described parts for inspection and maintenance can be attached to the upper part. On the back side of the lower part of the interior panel 21a, a control device such as a controller is attached vertically.

  By intensively attaching the electrical components in the longitudinal direction, the space on the left rear side of the driving seat can be used effectively. In addition, a plurality of electrical component mounting members 23 are disposed inside the interior panel 21a, and each electrical component mounting member 23 is disposed in a plurality of stages.

  Various electrical components 25 are mounted on each electrical component mounting member 23. Moreover, each electrical component attachment member 23 is attached to the interior panel body 21 or the like. For this reason, it is not necessary to inspect the location where each electrical component is arranged at the time of repair and inspection, as in the case where electrical components are dispersedly arranged in various places like a conventional work vehicle, and one location is inspected. Thus, repair and inspection can be performed easily and efficiently. In addition, the place in the cab where the electrical components have been arranged can be used as an effective space.

  As shown in FIG. 3, a utility base 32 is disposed on the front side of the portion where the electrical components are disposed, and a cup holder 37 and an ashtray 38 are disposed on the front side of the utility base 32.

  The present invention can apply the technical idea of the present invention to an apparatus or the like to which the technical idea of the present invention can be applied.

It is a perspective view of a work vehicle. (Example) It is a principal part top view in a cab. (Example) It is a perspective view in a cab in the state where an operation seat was removed. (Example) It is the principal part perspective view which showed the arrangement | positioning relationship between an operation seat and a utility stand. (Example) It is VV sectional drawing of FIG. (Example) It is a perspective view of a rear cover. (Example) It is a perspective view which shows the arrangement | sequence of the electrical component in the state which removed the inspection cover. (Example) It is VIII-VIII sectional drawing of FIG. (Example) It is a perspective view of the storage part vicinity. (Conventional example)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Work vehicle 4 Work machine 7 Work machine part 8 Machine room 10 Cab 12 Operation seat 20 Rear cover 21 Interior panel main body 32 Utility stand 33 Band 34 Magazine box 35 Rib 36 Lunch box 51, 52 Frame 53 Interior panel 54 Side cover 59 Entrance 60 Storage

Claims (4)

  A work vehicle of a small rear turning type characterized in that a magazine box is disposed on an interior panel at the rear portion of a driving seat in a cab.   The storage portion of the magazine box is configured by a space portion formed between the interior panel and a rear cover covered by the interior panel, and the opening portion of the magazine box is configured by an opening formed in the rear cover. The work vehicle according to claim 1.   The work vehicle according to claim 1 or 2, wherein a utility stand on which a lunch box or the like can be placed is disposed on the left or right side rear side of the driving seat.   The work vehicle according to claim 3, wherein a restraint member for holding a placement object is disposed on the utility table.

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