JP2019056252A - Construction machine - Google Patents

Abstract

To provide a construction machine capable of arranging a grease feeding device containing a hose reel and a grease gun with space-saving.SOLUTION: A grease feeding hose 13B is pulled out to a front part of a machine body from a hose reel 14 provided on a deck of the machine body. A main guide 21 (a first guide) guides the hose 13B wound in the hose reel 14 in a downward tangential direction. A sub guide 22 (a second guide) makes the hose 13B that passes through the main guide 21 pass below the hose reel 14, and guides so as to be pulled out to the front part of the machine body. A nozzle 152 of a grease gun 15 connected with a tip of the hose 13B is disposed below the hose reel 14.SELECTED DRAWING: Figure 4

Description

  The present invention relates to an arrangement configuration of a greasing device for a construction machine.

  In a greasing apparatus including a hose reel, a hose guide is provided so that the hose does not get tangled when the hose is pulled out or taken up from the hose reel. Moreover, since the grease gun is attached to the tip of the hose, a space for storing the grease gun is formed in front of the hose guide (see, for example, Patent Document 1).

Japanese Patent Laying-Open No. 2015-55054

  However, in the configuration disclosed in the above document, the hose guide is disposed forward with respect to the hose reel disposed on the right deck, and the hose is drawn forward. For this reason, in order to secure a space for disposing the grease gun, it is necessary to make the deck protrude in front of the hose reel (hose guide). If it does so, turning radius will become large in a turning type construction machine.

  Then, an object of this invention is to provide the construction machine which makes it possible to arrange | position the grease supply apparatus containing a hose reel and a grease gun in space-saving.

  In order to achieve the above object, according to the present invention, in a configuration in which a greasing hose is pulled out from the hose reel provided on the deck of the machine body to the front of the machine body, the hose wound around the hose reel is arranged in a downward tangential direction. A first guide for guiding, and a second guide for guiding the hose that has passed through the first guide to pass under the hose reel and to be pulled out forward of the fuselage, and is connected to the tip of the hose There is provided a construction machine in which the nozzle of the grease gun arranged is arranged below the hose reel.

  Here, the frame constituting the airframe is provided with a reel mounting base having a reel mounting surface for mounting the hose reel, and the second guide is positioned below the reel mounting surface. Is preferred.

  Further, the reel mounting base has a U-shape in a cross-sectional view as viewed in a cross section perpendicular to the front-rear direction of the airframe, and a space for storing the nozzle of the grease gun is formed inside the reel mounting base. It is preferable.

  The first guide is positioned above the reel mounting surface in the vertical direction, and is positioned near the rear end of the hose reel in the longitudinal direction of the body. The second guide is in the longitudinal direction of the body. With respect to the hose reel, the hose reel is preferably located in front of the rear end.

  Further, the second guide regulates the front side of the hose with respect to the front-rear direction of the machine body, and the front member with respect to the front-rear direction of the machine body so as to sandwich the hose together with the front-side member rotatably provided and the front-side member. It is preferable to include a rear member that restricts the rear side of the hose and is provided so as not to rotate.

  According to the construction machine of the first aspect, the first guide and the second guide are provided so that the hose passes under the hose reel. And since the nozzle of a grease gun is arrange | positioned under a hose reel, the space of the front-back direction of a body can be suppressed to the minimum, and the grease supply apparatus containing a hose reel and a grease gun can be arrange | positioned in space-saving.

  According to the construction machine of the second aspect, the reel mounting base for mounting the hose reel is provided, and the second guide is positioned below the reel mounting surface, so that the guide is provided in front of the hose reel. The arrangement | positioning total length regarding the body front-back direction can be suppressed.

  According to the construction machine of the third aspect, since the space for accommodating the nozzle of the grease gun is formed in the inside of the U-shaped reel mounting base in cross section, the long nozzle is efficiently accommodated and further space saving is achieved. Can be achieved.

  According to the construction machine of the fourth aspect, it is possible to save space in the vertical direction and the front-rear direction of the machine body while allowing the hose to be pulled out smoothly.

  According to the construction machine of claim 5, the position of the hose is restricted while the second guide is made as simple as possible by providing the front member rotatably and the rear member non-rotatable. Can be pulled out smoothly.

The side view which shows the outline of the construction machine by embodiment of this invention. The perspective view which shows the right deck vicinity provided with the greasing apparatus. The perspective view which expands and shows the hose reel vicinity. Sectional drawing which shows a hose reel and a grease gun accommodating part (IV-IV sectional view taken on the line of FIG. 5). The top view which shows the right deck in which the hose reel was installed. Sectional drawing which shows the reel mounting base to which a hose reel is attached (VI-VI sectional view taken on the line of FIG. 9). Sectional drawing which shows a subguide and a grease gun accommodating part (VII-VII sectional view taken on the line of FIG. 9). Front view showing the vicinity of the right deck (with the front lid removed). Sectional drawing which shows a main guide and a subguide (IX-IX sectional view taken on the line of FIG. 5).

  A construction machine according to an embodiment of the present invention will be described with reference to FIGS. Hereinafter, a hydraulic excavator 1 shown in FIG. 1 is illustrated as an example of a construction machine according to the present invention. For convenience of explanation, the longitudinal direction and the vertical direction of the machine are defined as shown in FIG. Further, the direction orthogonal to the paper surface of FIG. 1 is defined as the left-right direction of the machine.

  The hydraulic excavator 1 includes a crawler type lower traveling body 2 and an upper swing body 3 (an example of a machine body). The upper swing body 3 is mounted on the lower travel body 2 and can swing about the vertical axis with respect to the lower travel body 2.

  The upper swing body 3 includes a main frame 4 (upper frame) supported by the swing bearing 9. A cab 5, a work attachment 6, a machine room 7, and the like are attached to the main frame 4. The cab 5 (operator's cab) is provided on the front left side of the upper swing body 3. The work attachment 6 is provided at the front center portion of the upper swing body 3 and includes a boom, an arm, and a bucket. The machine room 7 is provided in the rear part of the upper swing body 3, and an engine and various devices are installed.

  A storage box 8 in which the greasing device 10 (FIG. 2) is stored is provided on the right front portion (right deck) of the upper swing body 3. The greasing device 10 is used for supplying grease to rotating parts and sliding parts of machine parts. In addition, as shown in FIG. 2, the storage box 8 is provided with doors 81 and 82 for maintenance of the greasing apparatus 10 so as to be openable and closable.

  Next, a schematic configuration of the greasing apparatus 10 will be described. As shown in FIG. 2, the greasing device 10 includes a grease can 11 that stores grease, a pump unit 12 that is detachably attached to the upper portion of the grease can 11, and sends out the grease, a hose 13 </ b> A, a hose reel 14, A hose 13B and a grease gun 15 (FIG. 4) are provided.

  One end of the hose 13A is connected to the pump unit 12, and the other end of the hose 13A is connected to the attachment port 146 of the hose reel 14. One end of the hose 13B is connected to another attachment port (not shown) of the hose reel 14, and the other end of the hose 13B is connected to the grease gun 15. When the greasing device 10 is not used, the hose 13B is wound around the hose reel 14.

  A lid 45 that closes the opening 41 for the grease gun 15 is provided on the front surface of the main frame 4 at the lower front side of the storage box 8. When the lid 45 is removed, the opening 41 (FIG. 8) appears and the grease gun 15 can be taken out.

  As shown in FIG. 3, the main frame 4 is provided with a reel mounting base 42 for mounting the hose reel 14. The reel mounting base 42 has a reel mounting surface 421 to which the hose reel 14 is mounted.

  As shown in FIG. 9, the reel mounting base 42 includes vertical plates 423 and 426 that are bent downward with respect to the reel mounting surface 421. The reel mounting surface 421 and the vertical plates 423 and 426 of the reel mounting base 42 are U-shaped when viewed in a cross section perpendicular to the front-rear direction of the airframe (the cross section in FIG. 9).

  The vertical plate 423 of the reel mounting base 42 is connected to the bottom plate 48. The reel mounting surface 421 is connected to the inner frame 47. With this configuration, a space 422 is formed inside the reel mounting base 42 (that is, below the reel mounting surface 421). A part of the nozzle 152 of the grease gun 15 is accommodated in the space 422 as will be described later.

  As shown in FIG. 6, a notch 424 is formed in the reel mounting surface 421. The hose 13 </ b> B that has passed through the main guide 21 passes through the recess formed by the notch 424, passes through the sub guide 22, passes through the space 422, and is drawn forward.

  As shown in FIGS. 3 and 4, the hose reel 14 includes a base plate 141 attached to the reel attachment surface 421 of the reel attachment base 42, a pair of support legs 142 erected on the base plate 141, and a pair of support legs 142. A shaft portion 143 provided at the upper end of the support leg 142, a drum 144 that is rotatably provided with respect to the shaft portion 143 and winds up the hose 13B, and a pair of arm members 145 that support the main guide 21 described later. Prepare.

  The main guide 21 (an example of a first guide) is a known guide member, and as shown in FIG. 4, the hose 13 </ b> B is smoothly passed between rollers 212 that are rotatably provided in the case 211. It can be pulled out. As shown in FIG. 9, since the roller 212 has a length that extends over the width of the drum 144, the hose 13B can move between the widths.

  As shown in FIG. 4, the main guide 21 is located above the reel mounting surface 421 of the reel mounting base 42 in the vertical direction. The main guide 21 is located near the rear end of the hose reel 14 (more specifically, the drum 144) in the longitudinal direction of the machine body.

  Further, in the present embodiment, a sub guide 22 (an example of a second guide) is provided that guides the hose 13B that has passed through the main guide 21 to pass under the hose reel 14 and pull it out to the front of the fuselage. .

  As shown in FIGS. 7 and 9, the sub guide 22 includes a front member 221 and a rear member 222. The front member 221 is a member that regulates the front side of the hose 13 </ b> B, and is provided to be rotatable with respect to the vertical plates 423 and 426 of the reel mounting base 42. The rear member 222 is a member that regulates the rear side of the hose 13B with the hose 13B sandwiched with the front member 221, and is provided so as not to rotate with respect to the vertical plates 423 and 426.

  As shown in FIG. 9, the front member 221 and the rear member 222 of the sub guide 22 have a length that covers substantially the entire width of the reel mounting base 42, and this length is the width of the drum 144, that is, It is longer than the length of the main guide 21.

  A stopper 131 is attached in the middle of the hose 13B, and when the hose 13B is wound, the stopper 131 comes into contact with the sub guide 22 so that the winding of the hose 13B stops at a predetermined position. .

  As shown in FIG. 4, the sub guide 22 is positioned below the reel mounting surface 421 in the vertical direction. Further, the sub guide 22 is located in front of the rear end of the hose reel 14 (more specifically, the drum 144) in the front-rear direction. Further, the sub guide 22 is located in the vicinity of the rear end portion 425 of the reel mounting surface 421 (more specifically, slightly rearward of the rear end portion 425) in the front-rear direction.

  As shown in FIG. 7, the grease gun 15 includes a main body 150, a lever 151, and a nozzle 152. When the lever 151 is pulled with respect to the main body 150, the grease in the grease can 11 is sent out to the grease gun 15 by the pump unit 12, and the grease is discharged from the nozzle 152.

  The grease gun 15 has a long nozzle 152 so that grease can be supplied to a narrow portion of each part of the machine. As shown in FIG. 7, the length of the nozzle 152 is longer than the length of the main body 150 and the lever 151.

  That is, when the greasing apparatus 10 is stored, the grease gun 15 is stored such that the longitudinal direction of the nozzle 152 is directed in the front-rear direction of the body and the longitudinal direction of the main body 150 and the lever 151 is directed in the left-right direction of the body. The During storage, the nozzle 152 is placed on the nozzle holder 49.

  In this state, the nozzle 152 is disposed below the hose reel 14 (FIGS. 4 and 7). More specifically, a part of the nozzle 152 is disposed in a space 422 formed inside the reel mounting base 42.

  Since the space 422 is defined by the vertical plate 423 of the reel mounting base 42, even if the machine vibrates greatly and the nozzle 152 is detached from the nozzle holder 49, the tip of the nozzle 152 protrudes from the space 422. It is prevented.

  As shown in FIG. 4, the hose 13 </ b> B pulled out from the hose reel 14 is guided in the tangential direction D downward (more specifically, downward and slightly forward) by the main guide 21. The hose 13 </ b> B that has passed through the main guide 21 further passes through the sub guide 22, extends forward through the lower part (space 422) of the hose reel 14, and is connected to the grease gun 15.

  When the greasing operation is performed using the greasing device 10, the cover 45 provided on the front surface of the main frame 4 is removed, and the hose 13B is pulled out by pulling out the grease gun 15 from the opening 41 (FIG. 8). When the grease gun 15 is directed to a desired greasing location and the lever 151 is gripped, the pump unit 12 is operated, the grease in the grease can 11 is sent to the grease gun 15, and the grease is discharged from the nozzle 152.

  According to the above-described embodiment, the main guide 21 and the sub guide 22 are provided so that the hose passes under the hose reel 14. And since the nozzle of the grease gun 15 is arranged below the hose reel 14, the space in the front-rear direction of the machine body can be minimized, and the greasing device including the hose reel 14 and the grease gun 15 can be arranged in a space-saving manner. Can do.

  Also, since the hose 13B can be pulled out smoothly by providing the sub guide 22, the load on the main guide 21 and the hose 13B can be reduced even when the hose 13B is pulled out more than when only the main guide 21 is provided. Can do.

  In addition, since the reel mounting base 42 for mounting the hose reel 14 is provided and the sub guide 22 is disposed below the reel mounting surface 421, the total arrangement length in the longitudinal direction of the machine body compared to the configuration in which the guide is provided in front of the hose reel 14. Can be suppressed.

  In addition, since the space 422 for accommodating the nozzle 152 of the grease gun 15 is formed inside the U-shaped reel mounting base 42 in cross-section, the long nozzle 152 can be efficiently accommodated for further space saving. Can do.

  Further, by providing the main guide 21 and the sub guide 22 at appropriate positions, it is possible to save space in the vertical direction and the front-rear direction while allowing the hose 13B to be pulled out smoothly.

  Further, by providing the front member 221 of the sub guide 22 to be rotatable and providing the rear member 222 to be non-rotatable, the position of the hose 13B can be regulated while making the sub guide 22 as simple as possible, and The hose 13B can be pulled out smoothly.

  Further, the sub guide 22 is positioned below the reel mounting surface 421 in the up-down direction, and is positioned near the rear end 425 of the reel mounting surface 421 in the front-rear direction. With this configuration, the hose 13B can be prevented from interfering with the rear end portion 425 of the reel attachment surface 421. Further, since the sub guide 22 is not hidden under the reel mounting surface 421, assembly and maintenance are easy.

  The construction machine by this invention is not limited to embodiment mentioned above, A various deformation | transformation and improvement are possible in the range described in the claim.

  For example, the positions and structures of the main guide 21 and the sub guide 22 are not limited to those described above.

  Further, the reel mounting base 42 is not necessarily provided. That is, the space where the hose passes and the space where the grease gun nozzle is arranged may be secured below the hose reel 14 by other configurations.

1 hydraulic excavator, 2 lower traveling body, 3 upper turning body,
4 mainframes, 5 cabs, 6 work attachments,
7 machine room, 8 storage box, 9 slewing bearing,
10 greasing equipment, 11 grease can, 12 pump unit,
13A, 13B hose, 14 hose reel, 15 grease gun,
21 Main guide, 22 Sub guide,
41 opening, 42 reel mounting base, 45 lid,
47 inner frame, 48 bottom plate, 49 nozzle holder,
81,82 doors,
131 stoppers, 141 base plates, 142 support legs,
143 shaft part, 144 drum, 145 arm member,
150 body, 151 lever, 152 nozzle,
211 cases, 212 rollers,
221 front member, 222 rear member,
421 reel mounting surface, 422 space, 423,426 vertical plate,
424 Notch, 425 Rear end of reel mounting surface.

Claims (5)

In the configuration that pulls out the greasing hose from the hose reel provided on the aircraft deck to the front of the aircraft,
A first guide for guiding the hose wound around the hose reel in a downward tangential direction;
A second guide for guiding the hose that has passed through the first guide to pass under the hose reel and to be pulled out forward of the fuselage;
With
A construction machine characterized in that a nozzle of a grease gun connected to the tip of the hose is arranged below the hose reel. The frame constituting the fuselage is provided with a reel mounting base having a reel mounting surface for mounting the hose reel,
The construction machine according to claim 1, wherein the second guide is positioned below the reel mounting surface. The reel mounting base has a U-shape in a cross-sectional view viewed in a cross section perpendicular to the front-rear direction of the aircraft,
The construction machine according to claim 2, wherein a space for accommodating the nozzle of the grease gun is formed inside the reel mounting base. The first guide is
Located above the reel mounting surface in the vertical direction,
Located near the rear end of the hose reel with respect to the longitudinal direction of the aircraft,
The second guide is
The construction machine according to claim 2 or 3, wherein the construction machine is located in front of a rear end of the hose reel with respect to a longitudinal direction of the machine body. The second guide is
Regulating the front side of the hose with respect to the front-rear direction of the aircraft, and a front side member provided rotatably,
A rear member provided to be non-rotatable to regulate the rear side of the hose with respect to the front-rear direction of the machine body so as to sandwich the hose together with the front member;
The construction machine according to any one of claims 1 to 4, further comprising:

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