Tool storage rack

Abstract

To provide a tool storage rack capable of storing a tool such as a breaker removed from a work vehicle without interfering with various operations and removing the tool from the work vehicle when necessary.SOLUTION: A tool storage rack 3 comprises: a rack body 4 that stores a tool removed from a work vehicle for civil engineering work; and a fitting bracket 5 provided on the backside of the rack body 4. In the fitting bracket 5, a reverse U-shaped engagement part 53 fitted around the upper side of an earth removing plate 19 provided in the work vehicle is formed.SELECTED DRAWING: Figure 1

Description

Technical Field

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[0001] The present invention relates to a tool storage rack attached to a work vehicle such as an excavator.

Background Art

[0002] Conventionally, a pair of left and right flat plates having recesses for shafts are attached to the upper part of the back surface of a bucket attached to the tip of an arm of a construction machine, and a cylindrical body for a shaft is horizontally attached to the lower part of the back surface of the bucket. A horizontal shaft and a mounting hole located below it are formed in the bracket of the breaker. The horizontal shaft of the breaker is supported by the recess for the shaft, the mounting hole of the breaker is aligned with both ends of the cylindrical body for the shaft, and a through shaft is inserted to attach the breaker to the back surface of the bucket. A breaker mounting structure for a bucket is known (see, for example, Patent Document 1).

[0003] In addition, a dozer work vehicle is known in which a bucket for discharging loaded earth and sand is provided on the working surface side of a spoil board so as to be drivable and swingable for discharging, and the bucket is attached in a state of being integrally lifted and lowered with the spoil board (see, for example, Patent Document 2).

Prior Art Documents

Patent Documents

[0004] ​​​​​​​​​​​​​​​​​Incidentally, as described in Patent Document 1, when both a bucket and a breaker are attached to the tip of an arm provided on an excavator, it is possible to perform both excavation work using the bucket and crushing work using the breaker without having to change attachments. On the other hand, this has the disadvantage that the weight of the tip of the arm becomes excessive, making it difficult to work, and when performing excavation work using the bucket, the breaker gets in the way, and conversely, when performing crushing work using the breaker, the bucket gets in the way.

[0006] On the other hand, as described in Patent Document 2, if a bucket for discharging loaded soil is provided on the working surface side of the dozer blade, this bucket can also be used as a storage compartment for tools such as breakers. However, in the dozer work vehicle disclosed in Patent Document 2, the bucket is pivotally connected to the upper part of the dozer blade so as to be able to swing around a horizontal axis, and a pair of left and right arms are pivotally connected to the track frame so as to be able to swing, and fluid cylinders are attached across the bucket and the track frame, respectively. As a result, the bucket cannot be easily removed from the dozer blade, and there is a problem that the bucket gets in the way when performing leveling work using the dozer blade.

[0007] The object of the present invention is to provide a tool storage rack that can accommodate tools such as breakers removed from a work vehicle without interfering with various tasks, and that can be easily removed from the work vehicle when necessary. [Means for solving the problem]

[0008] This invention encompasses the following inventions.

[0009] (1) A rack body for storing tools removed from a work vehicle used for civil engineering work, and a mounting bracket provided on the rear side of the rack body, Mounting bracket It has an inverted U-shaped engaging portion that fits onto the upper edge of the dozer blade provided on the work vehicle. The tool is a breaker comprising a crushing chisel and a breaker body that drives the crushing chisel, wherein the length dimension of the rack body extending along the left-right direction of the dozer blade is set to be smaller than the total length of the breaker and larger than the axial dimension of the breaker body, and a U-shaped notch is provided in the side plate located on one side in the length direction of the rack body into which the shaft of the crushing chisel is inserted. .

[0010] (2) The bottom plate located at the bottom of the rack body is inclined such that its height decreases from one side to the other along its length, and a drainage hole is provided on the other side of the bottom plate. (1) The tool storage rack described above.

[0011] (3) The back panel located on the rear side of the rack body is provided with an opening to reduce the weight of the rack body, and the mounting bracket is provided on the upper edge of the back panel located in the area excluding the area where the opening is formed. (1) The tool storage rack described above.

[0012] (4) The back panel located on the rear side of the rack body is provided with a contact portion that abuts against the lower edge of the dozer blade when the engaging portion is fitted onto the upper edge of the dozer blade. (1) The tool storage rack described above. [Effects of the Invention]

[0013] With the tool storage rack of the present invention having the above configuration, it is possible to perform excavation work using the bucket of a work vehicle while tools are stored in the tool storage rack attached to the dozer blade, so that civil engineering work with the work vehicle can be performed easily and properly without being hindered by the tools. Furthermore, if necessary, after removing the bucket or the like from the work vehicle, the tools can be taken out of the tool storage rack and attached to the work position to perform the prescribed work. Moreover, since the tool storage rack can be easily removed by simply lifting it and detaching the mounting bracket from the dozer blade, leveling work using the dozer blade can be performed properly without being hindered by the tool storage rack.

[0014] In this case, it is preferable to set the length of the rack body, which is installed to extend along the left-right direction of the dozer blade, to a value smaller than the total length of the tool consisting of a crushing chisel and a breaker body, and larger than the axial dimension of the breaker body, and to provide a U-shaped notch in the first side plate located on one side in the length direction of the rack body into which the shaft of the crushing chisel is inserted. In this case, the breaker body can be stably housed inside the rack body with the shaft of the crushing chisel inserted into the notch, without making the length of the rack body unnecessarily large.

[0015] Furthermore, it is preferable to tilt the bottom plate located at the bottom of the rack body so that its height decreases from one side along its length to the other side, and to provide drainage holes on the other side of the bottom plate. In this case, tools that have soil or other debris attached to them due to use can be stored in the tool storage rack, and by spraying them with cleaning water, the dirt can be removed from the tools. Additionally, the cleaning water and soil or other debris can be easily discharged through the drainage holes by flowing downstream along the bottom plate.

[0016] Furthermore, it is preferable to provide an opening in the back panel of the rack body to reduce the weight of the rack body, and to provide a mounting bracket on the upper edge of the back panel located in the area excluding the area where the opening is formed. In this case, it is possible to prevent the upper edge of the back panel attached to the mounting bracket from deforming significantly and becoming easily damaged, as would occur if the mounting bracket were provided above the area where the opening is formed. Therefore, it is possible to effectively reduce the weight of the rack body without reducing the strength of the rack body.

[0017] Furthermore, it is preferable to have the engaging portion of the mounting bracket fitted onto the upper edge of the dozer blade, and to provide a contact portion on the back plate of the rack body that abuts against the lower edge of the dozer blade. In this case, there is the advantage that the tool storage rack can be stably attached to the dozer blade with a simple configuration. [Brief explanation of the drawing]

[0018] [Figure 1] It is a perspective view showing the usage state of the tool storage rack of the present invention. [Figure 2] It is a perspective view showing the process of attaching the tool storage rack to the work vehicle. [Figure 3] It is a front sectional view showing the state where tools are stored in the tool storage rack. [Figure 4] It is a sectional view taken along line IV-IV of FIG. 3. [Figure 5] It is a perspective view showing the configuration of the tool storage rack of the present invention. [Figure 6] It is a sectional view showing the state where the tool storage rack of the present invention is attached to the earth discharge plate. [Figure 7] It is a perspective view showing the state where tools are attached to the work vehicle.

Embodiments for Carrying Out the Invention

[0019] Hereinafter, embodiments according to the present invention will be described based on the drawings. In FIGS. 1 and 2, reference numeral 1 denotes a work vehicle 1 for civil engineering work such as an excavator, and reference numeral 3 denotes a tool storage rack according to the present invention in which tools 2 detachably attached to the work vehicle 1 are accommodated.

[0020] The work vehicle 1 has, for example, a crawler-type lower traveling body 11, an upper revolving body 12 rotatably mounted on the upper part thereof, a boom 13 provided at the upper front part thereof, a boom cylinder 14 for driving the boom 13, an arm 15 pivotally supported at the tip of the boom 13, an arm cylinder 16 for driving the arm 15, an excavation work bucket 17 pivotally supported at the tip of the arm 15, a bucket cylinder 18 for driving the bucket 17, and an earth discharge plate 19 for leveling work provided at the front part of the lower traveling body 11.

[0021] As shown in Figure 3, tool 2 comprises a crushing chisel 21 for crushing rocks, concrete, etc., and a breaker body 22 that reciprocates the crushing chisel 21 at high speed. A pair of mounting plates 23 are provided on the side of the breaker body 22 for attaching it to the tip of the arm 15. As will be described later, the mounting plates 23 of tool 2 are attached to the tip of the arm 15 from which the bucket 17 has been removed, thereby enabling crushing work by the work vehicle 1 (see Figure 7).

[0022] As shown in Figures 3 to 5, the tool storage rack 3 according to this embodiment has a rack body 4 for accommodating tools 2 consisting of breakers removed from the work vehicle 1, and three mounting brackets 5 provided on its rear side. The mounting brackets 5 are engaged with the dozer blade 19 of the work vehicle 1, so that the tool storage rack 3 can be detachably mounted on the work vehicle 1.

[0023] The rack body 4 includes a bottom plate 41 located at its bottom, a first side plate 42 located on one side in the longitudinal direction of the rack body 4 that extends along the left-right direction of the dozer blade 19 (see Figure 2), a second side plate 43 located on the other side, a front plate 44 located on the front side of the rack body 4, and a back plate 45 located on the rear side of the rack body 4. As shown in Figure 3, the longitudinal dimension L of the rack body 4 (internal length of the rack body 4) is set to be smaller than the total length L1 of the tool 2 consisting of the breaker, and larger than the axial dimension L2 of the breaker body 22.

[0024] The first side plate 42, located on one side in the longitudinal direction of the rack body 4, is provided with a chisel holding portion having a U-shaped notch 31 with a width dimension approximately the same as or slightly larger than the shaft diameter of the crushing chisel 21, and an upwardly widening tapered portion 32 formed above it. As a result, the shaft of the crushing chisel 21 is inserted into and held in the notch 31, and the breaker body 22 and mounting plate 23 are housed inside the rack body 4.

[0025] The bottom plate 41 of the rack body 4 is sloped such that its installation height gradually decreases from one side to the other along its length. An opening for drainage holes 46 is also provided on the other side of the bottom plate 41. As shown in Figure 5, openings 47 are provided on both the left and right sides of the front plate 44 and the rear plate 45 of the rack body 4 to reduce the weight of the rack body 4.

[0026] As shown in Figure 4, the mounting bracket 5 has an upper wall portion 51 extending from the upper end of the back plate 45 toward the rear (opposite direction to the installation direction of the front plate 44), and a rear wall portion 52 extending downward from its rear end. Below the upper wall portion 51, an inverted U-shaped engaging portion 53 is formed which fits onto the upper edge of the dozer blade 19 provided on the work vehicle 1. Furthermore, as shown in Figure 5, the mounting bracket 5 is provided on the upper edge of the back plate 45 in areas excluding the area where the opening 47 is formed.

[0027] As shown in Figure 6, the back panel 45 of the rack body 4 is provided with a contact portion 48 that abuts against the lower edge of the dozer blade 19 when the engaging portion 53 of the mounting bracket 5 is fitted onto the upper edge of the dozer blade 19. In other words, in this embodiment, the distance from the upper end of the engaging portion 53 to the lower end of the back panel 45 is set to be the same as or greater than the vertical dimension J of the dozer blade 19. As a result, when the tool storage rack 3 is attached to the dozer blade 19, the area near the lower end of the back panel 45 abuts against the lower edge of the dozer blade 19.

[0028] The number of mounting brackets 5 provided on the tool storage rack 3 is not limited to three; it may be two, or four or more. For example, mounting brackets 5 may be provided on both the left and right sides of the back panel 45, and one or more openings 47 may be provided between the two mounting brackets 5. Alternatively, four or more mounting brackets 5 may be provided on the upper edge of the back panel 45, and openings 47 may be provided between adjacent mounting brackets 5.

[0029] As shown in Figure 6, the tool storage rack 3, having the above configuration, is attached to the front side of the dozer blade 19 by fitting the engaging portion 53 of the mounting bracket 5 onto the upper edge of the dozer blade 19. Then, as shown in Figure 3, the shaft portion of the crushing chisel 21 is inserted into the notch portion 31, and the breaker body 22 and mounting plate 23 are housed inside the rack body 4. As a result, by transporting the work vehicle 1 to the work site, excavation work using the bucket 17, crushing work using the tool 2, and leveling work using the dozer blade 19 can be performed appropriately.

[0030] In other words, since the tools 2 can be held in the tool storage rack 3 attached to the front side of the dozer blade 19, excavation work using the bucket 17 can be performed, civil engineering work by the work vehicle 1 can be performed easily and properly without being obstructed by the tools 2. Furthermore, if necessary, after removing the bucket 17 from the tip of the arm 15, the tools 2 can be taken out of the tool storage rack 3 and, as shown in Figure 7, the mounting plate 23 of the tools 2 can be attached to the position of use at the tip of the arm 15, thereby enabling the crushing work of rocks, concrete, etc. using the crushing chisel 21. Moreover, since the tool storage rack 3 can be easily removed by simply lifting it and detaching the mounting bracket 5 from the dozer blade 19, leveling work using the dozer blade 19 can be performed properly without being obstructed by the tool storage rack 3.

[0031] In the above-described embodiment, the longitudinal dimension L of the rack body 4, which is installed to extend along the left-right direction of the dozer blade 19, is set to a value smaller than the total length L1 of the tool 2, which consists of a crushing chisel 21 and a breaker body 22, and larger than the axial dimension L2 of the breaker body 22. A U-shaped notch 31 into which the shaft of the crushing chisel is inserted is provided in the first side plate 42 located on one side in the longitudinal direction of the rack body 4. With this configuration, the breaker body 22 and the like can be stably stored inside the rack body 4 with the shaft of the crushing chisel 21 inserted into the notch 31, without making the longitudinal dimension L of the rack body 4 unnecessarily large.

[0032] Furthermore, the tools 2 held in the tool storage rack 3 are not limited to the breaker described above, but could also include mechanical forks for gripping rocks or wood, or earth augers for digging holes. In addition, the work vehicle 1 is not limited to the excavator described above, but the present invention can also be applied to drilling vehicles equipped with a dozer blade 19, or other multi-purpose work vehicles.

[0033] In the above-described embodiment, the bottom plate 41 located at the bottom of the rack body 4 is inclined so that its installation height decreases from one side to the other in the longitudinal direction, and a drain hole 46 is provided on the other side of the bottom plate 41. With this configuration, tools 2 that have soil and other debris attached to them due to use can be stored in the tool storage rack 3, and by spraying cleaning water on them, the dirt on the tools 2 can be removed. Furthermore, the cleaning water and soil and other debris can be easily discharged through the drain hole 46 by flowing down along the bottom plate 41.

[0034] Furthermore, as shown in Figure 3, by placing the main body of the tool 2, which consists of the breaker body 22, on the bottom plate 41 and bringing the rear end of the tool 2 into contact with the second side plate 43, there is an advantage in that the axial movement of the tool 2 is effectively restricted, resulting in a stable storage state. In addition, instead of the above embodiment in which the bottom plate 41 is inclined in a straight line, the bottom plate 41 may be bent in such a way that the inclination angle at one end of the bottom plate 41 is larger than that at the other end of the bottom plate 41.

[0035] In the above-described embodiment, an opening 47 is provided in the back panel 45 located on the rear side of the rack body 4 to reduce the weight of the rack body 4, and a mounting bracket 5 is provided on the upper edge of the back panel 45 in the area excluding the area where the opening 47 is formed. As a result, the rack body 4 can be effectively made lighter without reducing the strength of the rack body 4.

[0036] For example, it is conceivable to provide a mounting bracket 5 in the upper part of the area where the opening 47 is formed, but in this case, there is a problem that the upper edge of the back plate 45 installed on the mounting bracket 5 is prone to deformation and damage. For this reason, as described above, it is preferable to provide a mounting bracket 5 in the upper part of the back plate 45 located in a part of the back plate 45 of the rack body 4 that is not in the area where the opening 47 is formed.

[0037] Furthermore, as shown in Figure 6, when the engaging portion 53 of the mounting bracket 5 is fitted onto the upper edge of the dozer blade 19, and a contact portion 48 that abuts against the lower edge of the dozer blade 19 is provided on the back plate 45 of the rack body 4, there is an advantage that the tool storage rack 3 can be stably attached to the dozer blade 19 with a simple configuration. In other words, by simply fitting the engaging portion 53 of the mounting bracket 5 onto the upper end of the dozer blade 19, the contact portion 48 of the back plate 45 can be maintained in contact with the lower edge of the dozer blade 19 according to the weight of the tools 2 and the tool storage rack 3, so that the tool storage rack 3 can be stably attached to the dozer blade 19 without wobbling. [Explanation of symbols]

[0038] 1 Work vehicle 2 Tools 3. Tool storage rack 4. Rack body 5 Mounting bracket 11 Lower running body 12 Upper rotating body 13 Boom 14 Boom Cylinder 15 Arm 16 Arm cylinder 17 Bucket 18 Bucket cylinder 19 Dozer blade 21. Crushing chisel 22. Breaker body 23 Mounting plate 31 Notch 32 Tapered section 41 Bottom plate 42 First side plate 43 Second side plate 44 Front plate 45 Back plate 46 Drain hole 47 Opening 51 Upper wall 52 Rear wall 53 Engaging part

Claims

1. A rack body that houses tools removed from a construction vehicle, The rack body includes a mounting bracket provided on the rear side, The mounting bracket has an inverted U-shaped engaging portion that fits onto the upper edge of the dozer blade provided on the work vehicle. The tool is a breaker having a crushing chisel and a breaker body that drives the crushing chisel. The longitudinal dimension of the rack body extending along the left-right direction of the dozer blade is set to be smaller than the total length of the breaker and larger than the axial dimension of the breaker body. A tool storage rack, wherein a U-shaped notch is provided in the side panel located on one side in the longitudinal direction of the rack body, into which the shaft of the crushing chisel is inserted.

2. The bottom plate located at the bottom of the rack body is inclined such that its installation height decreases from one side to the other in the longitudinal direction. The tool storage rack according to claim 1, wherein drainage holes are provided on the other side of the bottom plate.

3. The rear panel located on the back side of the rack body is provided with an opening in order to reduce the weight of the rack body. The tool storage rack according to claim 1, wherein the mounting bracket is provided on the upper edge of the back panel located in a part excluding the area where the opening is formed.

4. The tool storage rack according to claim 1, wherein the back panel located on the rear side of the rack body is provided with a contact portion that contacts the lower edge of the dozer blade when the engaging portion is fitted onto the upper edge of the dozer blade.

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