Forklift attachments

Abstract

We provide a forklift attachment that facilitates transportation and storage and can be used regardless of the size of the cleaning area. [Solution] The device has a cleaning unit 2 for cleaning the floor surface 13 and a fork mounting unit 3 that can be attached to and detached from the forks 12 of a forklift 11. The cleaning unit 2 has a plurality of cleaning members 4 that are detachably connected to each other, and the plurality of cleaning members 4 have rubber material 41 and brush 42 (cleaning main body) that come into contact with the floor surface 13 and clean the floor surface 13.

Description

Technical Field

[0001] The present invention relates to an attachment for a forklift.

Background Art

[0002] Site cleaning performed at a construction site is carried out daily during the construction period. Therefore, in a large construction site such as a logistics warehouse, it takes a lot of time and cost. When water accumulates widely on the floor of a large construction site due to rainfall, a large number of people line up side by side with squeegees (water wiper) and scrape out the accumulated water at once. Such work requires a lot of labor and thus costs a lot.

[0003] Patent Documents 1 and 2 disclose an attachment for floor cleaning that can be attached to the forks of a forklift and the floor can be cleaned by the forklift running on the floor surface. By attaching such an attachment for floor cleaning and performing cleaning with a forklift, a wide floor area can be easily cleaned even with a small number of people.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] By increasing the dimension of the attachment in the width direction (the direction perpendicular to the traveling direction of the forklift), wide-area cleaning can be performed in one run. However, when the dimension of the attachment increases, there is a problem that transportation and storage are restricted and troublesome. Also, when the cleaning range is narrow, if the dimension of the attachment increases, it may not be usable.

[0006] Therefore, the present invention aims to provide a forklift attachment that can be used regardless of the size of the cleaning area, and that facilitates transportation and storage. [Means for solving the problem]

[0007] To achieve the above objective, the forklift attachment according to the present invention comprises a cleaning unit for cleaning the floor surface and a fork mounting unit that can be attached to and detached from the forks of a forklift, wherein the cleaning unit has a plurality of cleaning members that are detachably connected to each other, and each of the plurality of cleaning members has a cleaning body that contacts the floor surface and cleans the floor surface.

[0008] In this invention, the cleaning unit has multiple cleaning members, each having a cleaning body that cleans the floor surface, which are detachably connected. This allows the cleaning unit to be disassembled into a compact shape when not in use and not performing cleaning, and the size of the cleaning unit can be adjusted by changing the number of connected cleaning members. As a result, the forklift attachment can be easily transported and stored, and can be used regardless of the size of the cleaning area. Because the cleaning unit can be disassembled, the weight of each component is distributed, allowing the forklift attachment to be used even with a small number of workers.

[0009] In the forklift attachment according to the present invention, the cleaning unit may have connecting members that detachably connect the cleaning members to each other.

[0010] This configuration allows for easy and reliable connection of cleaning components. The connected cleaning components can be reinforced by adjusting the strength of the connecting components.

[0011] In the forklift attachment according to the present invention, the cleaning section has an elongated shape extending in the width direction of the forklift, and the plurality of cleaning members may be arranged in the width direction of the forklift.

[0012] This configuration allows the long cleaning section, which extends in the width direction, to be made into a compact shape, making it easier to transport and store the forklift attachment.

[0013] In the forklift attachment according to the present invention, the fork mounting portion is capable of attaching the cleaning portion to the fork in multiple different orientations, and at least one of the multiple cleaning members may have multiple cleaning body portions that contact the floor surface and clean the floor surface for each of the multiple different orientations.

[0014] In the forklift attachment according to the present invention, the multiple cleaning body parts may include rubber material and brushes for water swabbing.

[0015] This configuration allows for different cleaning tasks to be performed by changing the orientation of the cleaning unit. [Effects of the Invention]

[0016] According to the present invention, the transport and storage of forklift attachments can be made easier, and the forklift attachments can be used regardless of the size of the cleaning area. [Brief explanation of the drawing]

[0017] [Figure 1] This is a side view of a forklift to which an attachment according to an embodiment of the present invention has been fitted. [Figure 2] This is a perspective view of a fork and forklift attachment. [Figure 3] This is a rear view of the forklift attachment in its first position. [Figure 4] This is a top view of the forklift attachment in its first position. [Figure 5] This is a bottom view of the forklift attachment in its first position. [Figure 6]It is a side view of a forklift attachment in the first posture. [Figure 7] It is a perspective view of a disassembled forklift attachment. [Figure 8] (a) is a perspective view of the first cleaning member and the first connecting member, and (b) is a perspective view of the first cleaning member and the first connecting member as seen from another direction. [Figure 9] (a) is a perspective view of the second cleaning member and the second connecting member, and (b) is a perspective view of the second cleaning member and the second connecting member as seen from another direction. [Figure 10] (a) is a perspective view of the third cleaning member, and (b) is a perspective view of the third cleaning member as seen from another direction. [Figure 11] It is a perspective view showing a fork attachment portion and a cleaning member provided with ribs. [Figure 12] It is a perspective view showing a cleaning member provided with ribs.

Mode for Carrying Out the Invention

[0018] Hereinafter, a forklift attachment according to an embodiment of the present invention will be described based on FIGS. 1-10. As shown in FIGS. 1 and 2, the forklift attachment 1 is attached to the fork 12 of the forklift 11. The forklift attachment 1 attached to the fork 12 cleans the floor surface 13 by the forklift 11 traveling, for example, in a large construction site such as a logistics warehouse. Cleaning the floor surface 13 includes scraping water on the floor surface 13 and sweeping dust on the floor surface 13. The traveling direction of the forklift 11 is denoted as the front-rear direction, and the horizontal direction orthogonal to the front-rear direction is denoted as the width direction. In the drawings, the width direction is indicated by arrow X, and the front-rear direction is indicated by arrow Y. In the width direction, the central side with respect to both ends may be denoted as the inner side, and the both-end sides with respect to the center may be denoted as the outer side.

[0019] The forklift 11 is equipped with two forks 12. The forklift attachment 1 is detachably attached to the two forks 12. The forklift attachment 1 can be attached to the forks 12 in two different positions. These two different positions of the forklift attachment 1 are referred to as the first position and the second position.

[0020] As shown in Figure 2, the forklift attachment 1 has a cleaning section 2 and a fork mounting section 3. The cleaning section 2 contacts the floor surface 13 and cleans the floor surface 13. The fork mounting section 3 is attached to the cleaning section 2 and is detachable from the forks 12 of the forklift 11. Two fork mounting sections 3 are provided for one forklift attachment 1. Each of the two fork mounting sections 3 is attached to a fork 12.

[0021] The cleaning unit 2 is positioned along the floor surface 13. The cleaning unit 2 has an elongated shape. As shown in Figures 2 and 3, the cleaning unit 2 extends in the width direction when viewed from the front-to-back direction. As shown in Figures 2, 4 to 6, when viewed from the top-to-bottom direction, the middle part of the cleaning unit 2 extends in the width direction, and both ends extend diagonally toward the front outwards in the width direction. As shown in Figure 7, the cleaning unit 2 has five cleaning members 4 and four connecting members 5. The five cleaning members 4 are arranged in the width direction. The connecting members 5 connect adjacent cleaning members 4 in the width direction. Of the five cleaning members 4, the cleaning member 4 positioned in the center of the arrangement is referred to as the first cleaning member 401, the two cleaning members 4 positioned on either side of the first cleaning member 401 are referred to as the second cleaning members 402, and the two cleaning members 4 positioned on the sides of the two second cleaning members 402 opposite to the first cleaning member 401 are referred to as the third cleaning member 403. Of the four connecting members 5, the connecting member 5 that connects the first cleaning member 401 and the second cleaning member 402 will be referred to as the first connecting member 501, and the connecting member 5 that connects the second cleaning member 402 and the third cleaning member 403 will be referred to as the second connecting member 502. The dimensions of the five cleaning members 4 and the four connecting members 5 may be modularized.

[0022] The first cleaning member 401, the second cleaning member 402, and the third cleaning member 403 are each elongated in shape. The first cleaning member 401 and the second cleaning member 402 are installed in a direction that extends in the width direction. The first cleaning member 401 and the second cleaning member 402 are arranged in the same straight line extending in the width direction and are connected by the first connecting member 501. The third cleaning member 403 is installed in a direction that, when viewed from above, extends diagonally from the inside in the width direction, i.e., the side connected to the second cleaning member 402, outwards and gradually toward the front. The inside end of the third cleaning member 403 in the width direction and the outside end of the second cleaning member 402 in the width direction are close to or in contact with each other. The second cleaning member 402 and the third cleaning member 403 are connected by the second connecting member 502 in the above state.

[0023] As shown in Figures 7 to 10, each of the multiple cleaning members 4 (first cleaning member 401, second cleaning member 402, third cleaning member 403) has a rubber material 41 and a support part 43. The rubber material 41 corresponds to the cleaning unit body in the claims. The rubber material 41 is a long, thin sheet of rubber. The rubber material 41 is installed along the direction in which the cleaning member 4 extends. The rubber material 41 can scrape off water accumulated on the floor surface 13 by moving with its edge in contact with the floor surface 13. The rubber material 41 is used as a so-called water-squeegee.

[0024] As shown in Figures 8 and 9, the first cleaning member 401 and the second cleaning member 402 of the cleaning member 4 further have a brush 42. The brush 42 corresponds to the cleaning unit body of the claims. The brush 42 is elongated. The brush 42 is installed along the direction in which the cleaning member 4 extends. The brush 42 has a base material 421 and bristles 422. The base material 421 is elongated and rod-shaped. The bristles 422 are embedded in the base material 421. The bristles 422 are embedded in the base material 421 in one direction. The brush 42 can sweep up dirt and dust from the floor surface 13 by moving with the bristles 422 in contact with the floor surface 13. The brush 42 may be, for example, an American broom.

[0025] As shown in Figures 8 to 10, the support section 43 includes a first angle member 44 and a second angle member 45. Both the first angle member 44 and the second angle member 45 are long members with an L-shaped cross-section. The first angle member 44 and the second angle member 45 are installed along the direction in which the cleaning member 4 extends. The first angle member 44 and the second angle member 45 are made of steel. The two mutually orthogonal pieces that form the L-shape of the first angle member 44 are denoted as the first piece 441 and the second piece 442. The two mutually orthogonal pieces that form the L-shape of the second angle member 45 are denoted as the first piece 451 and the second piece 452. For the first pieces 441, 451 and the second pieces 442, 452, the side connected to the other piece is referred to as the base end, and the side separated from the other piece is referred to as the tip end. The cross-sectional shape of the first angle material 44 is larger than that of the second angle material 45. The length of the first angle material 44 is approximately the same as the length of the rubber material 41. The length of the second angle material 45 is smaller than that of the first angle material 44.

[0026] The first angle member 44 and the second angle member 45 have their first pieces 441 and 451 overlapping with the rubber material 41 in between, and their respective second pieces 442 and 452 protrude from the first pieces 441 and 451 in opposite directions. The first piece 451 of the second angle member 45 overlaps with the middle section in the direction connecting the tip and base of the first piece 441 of the first angle member 44, i.e., in the short-side direction. The first piece 441 of the first angle member 44 and the first piece 451 of the second angle member 45 are fixed together with fasteners 46 such as bolts, with the rubber material 41 in between. One edge 41a of the rubber material 41 in the short-side direction overlaps with the base of the first piece 441 of the first angle member 44. The other edge 41b of the rubber material 41 in the short-side direction protrudes outward from the tip of the first piece 441 of the first angle member 44.

[0027] The first angle material 44 and the rubber material 41 overlap at both ends in the longitudinal direction. The second angle material 45 of the first cleaning member 401 and the second cleaning member 402 overlaps the middle portion of the first angle material 44 and the rubber material 41 in the longitudinal direction. The second angle material 45 of the third cleaning member 403 is positioned on either end side in the longitudinal direction of the first angle material 44 and the connecting angle material 51.

[0028] The brush 42 is attached to the side of the first angle member 44 of the first cleaning member 401 and the second cleaning member 402 that is opposite to the side of the second piece 442 that is sandwiching the rubber material 41. The bristles 422 of the brush 42 protrude in a direction perpendicular to the surface of the second piece 442. The length of the brush 42 is approximately the same as the length of the first angle member 44. The first angle member 44 and the brush 42 overlap at both ends in the length direction.

[0029] In the first position of the cleaning member 4, the second angle member 45 is positioned in front of the first angle member 44. The first piece 441 of the first angle member 44, the first piece 451 of the second angle member 45, and the plate surface of the rubber material 41 of the first cleaning member 401 and the second cleaning member 402 are oriented in the front-to-back direction. The first piece 441 of the first angle member 44, the first piece 451 of the second angle member 45, and the plate surface of the rubber material 41 of the third cleaning member 403 are oriented diagonally inward in the width direction toward the front. The second pieces 442 and 452 of the first angle member 44 and the second angle member 45, respectively, are positioned above the first pieces 441 and 451. The tip end of the first piece 441 and 451 of the first angle member 44 and the second angle member 45, respectively, is positioned lower than the base end. The other edge 41b of the rubber material 41 in the short-side direction protrudes downward from the tip portions of the first pieces 441 and 451 of the first angle material 44 and the second angle material 45, respectively. The brush 42 is positioned behind the first piece 441 of the first angle material 44.

[0030] In the second position of the cleaning member 4, the first angle member 44 is positioned below the second angle member 45. The second pieces 442 and 452 of the first angle member 44 and the second angle member 45, respectively, are positioned behind the first pieces 441 and 451. The first cleaning member 401 and the second cleaning member 402 are positioned in a direction that extends in the width direction. The third cleaning member 403 is positioned in a direction that gradually moves upward from the inside to the outside in the width direction. The bristles 422 of the brush 42 of the first cleaning member 401 and the second cleaning member 402 protrude downward. The lower end of the bristles 422 of the brush 42 protrudes downward below the tip of the second piece 452 of the second angle member 45. The rubber material 41 is positioned on top of the second angle member 45.

[0031] The connecting member 5 comprises a connecting angle material 51 and a connecting rubber material 52. The connecting angle material 51 is a long member with an L-shaped cross-section. The connecting angle material 51 is made of steel. The two mutually perpendicular pieces that form the L-shape of the connecting angle material 51 are denoted as the first piece 511 and the second piece 512. The connecting rubber material 52 is a long, thin sheet of rubber. The connecting rubber material 52 is the same type of rubber material as the cleaning member 4's rubber material 41. The connecting rubber material 52 is attached along the inner surface of the first piece 511. The connecting rubber material 52 protrudes outward beyond the tip of the first piece 511.

[0032] The connecting member 5 connects the longitudinal end portions of adjacent cleaning members 4. These longitudinal end portions of the cleaning members 4 are the parts of the cleaning member 4 where the second angle member 45 is not provided. The connecting angle member 51 of the connecting member 5 overlaps the outside of the first angle member 44 of each of the cleaning members 4 being connected. The first piece 511 of the connecting angle member 51 overlaps with the first piece 441 of the first angle member 44. Between the first piece 511 of the connecting angle member 51 and the first angle member 44, the connecting rubber material 52 attached to the first piece 511 of the connecting angle member 51 and the rubber material 41 attached to the first piece 441 of the first angle member 44 overlap and are sandwiched. The second piece 512 of the connecting angle member 51 overlaps with the second piece 442 of the first angle member 44. The first piece 511 of the connecting angle material 51 is detachably fixed to the first piece 441 of the first angle material 44 of each adjacent cleaning member 4 with fasteners 54 such as bolts. The second piece 512 of the connecting angle material 51 is detachably fixed to the second piece 442 of the first angle material 44 of each adjacent cleaning member 4 with fasteners 53 such as bolts.

[0033] The first connecting member 501 extends in a straight line. The first connecting member 501 connects the first angle member 44 of the first cleaning member 401 and the first angle member 44 of the second cleaning member 402, which are arranged in the same straight line. The first connecting member 501 may be detachable from both the first cleaning member 401 and the second cleaning member 402, or it may be fixed to one of the first cleaning member 401 and the second cleaning member 402 and detachable from the other. The second connecting member 502 is bent in the middle of its length. The second connecting member 502 connects the first angle member 44 of the second cleaning member 402 and the first angle member 44 of the third cleaning member 403, which are arranged to form a predetermined angle. The angle between the second cleaning member 402 and the third cleaning member 403 is obtuse. The second connecting member 502 may be detachable from both the second cleaning member 402 and the third cleaning member 403, or it may be fixed to one of the second cleaning member 402 and the third cleaning member 403 and detachable from the other. When the five cleaning members 4 are connected by the connecting member 5, their outer shape becomes roughly C-shaped.

[0034] The fork mounting section 3 is attached to each of the two first connecting members 501. The fork mounting section 3 has a first mounting angle member 31 and a second mounting angle member 32. The first mounting angle member 31 is used when attaching the cleaning member 4 to the fork 12 in the first position. The second mounting angle member 32 is used when attaching the cleaning member 4 to the fork 12 in the second position. Both the first mounting angle member 31 and the second mounting angle member 32 are long members with an L-shaped cross-section. The first mounting angle member 31 and the second mounting angle member 32 are made of steel. The two mutually orthogonal pieces that form the L-shape of the first mounting angle member 31 and the second mounting angle member 32 are denoted as the first piece 311, 321 and the second piece 312, 322.

[0035] The first mounting angle member 31 is attached to the first connecting member 501 in such a position that the first piece 311 overlaps with the second piece 512 of the connecting angle member 51 of the first connecting member 501 with a gap between them, and the second piece 312 protrudes away from the second piece 512 of the connecting angle member 51. The first piece 311 of the first mounting angle member 31 and the second piece 512 of the connecting angle member 51 are fixed together by a fastener 53 that connects the second piece 512 of the connecting angle member 51 and the second piece 442 of the first angle member 44 of the first cleaning member 401.

[0036] When the fork mounting section 3 and the first connecting member 501 are in the first position, the first piece 311 of the first mounting angle member 31 is positioned on the second piece 512 of the connecting angle member 51 with a gap between them. The forks 12 of the forklift 11 can be inserted into the gap between the first piece 311 of the first mounting angle member 31 and the second piece 512 of the connecting angle member 51. The first piece 311 of the first mounting angle member 31 and the second piece 512 of the connecting angle member 51 are fixed to the forks 12 by fixing them with the fastener 53. Rubber mats 33 are attached to the opposing surfaces of the first piece 311 of the first mounting angle member 31 and the second piece 512 of the connecting angle member 51. The first piece 311 of the first mounting angle material 31 and the second piece 512 of the connecting angle material 51 do not come into direct contact with the fork 12, and a rubber mat 33 is placed between them and the fork 12.

[0037] The second mounting angle member 32 is attached to the first connecting member 501 in such a position that the first piece 321 overlaps with the first piece 511 of the connecting angle member 51 of the first connecting member 501 with a gap between them, and the second piece 322 protrudes away from the first piece 511 of the connecting angle member 51. The first piece 311 of the first mounting angle member 31 and the first piece 511 of the connecting angle member 51 are fixed together by a fastener 54 that joins the first piece 511 of the connecting angle member 51 and the first piece 441 of the first angle member 44 of the first cleaning member 401.

[0038] When the fork mounting section 3 and the first connecting member 501 are in the second position, the first piece 321 of the second mounting angle member 32 is positioned on the first piece 511 of the connecting angle member 51 with a gap between them. This makes it possible to insert the forks 12 of the forklift 11 into the gap between the first piece 321 of the second mounting angle member 32 and the first piece 511 of the connecting angle member 51. By fixing the first piece 321 of the second mounting angle member 32 and the first piece 511 of the connecting angle member 51 with the fixing device 54, the first piece 321 of the second mounting angle member 32 and the first piece 511 of the connecting angle member 51 are fixed to the forks 12. Rubber mats 34 are attached to the opposing surfaces of the first piece 321 of the second mounting angle member 32 and the first piece 511 of the connecting angle member 51. The first piece 321 of the second mounting angle material 32 and the first piece 511 of the connecting angle material 51 do not come into direct contact with the fork 12, and a rubber mat 34 is placed between them and the fork 12.

[0039] By attaching the forklift attachment 1 in the first position to the forks 12 at the fork mounting section 3, and running the forklift 11 with the rubber materials 41 of the multiple cleaning members 4 and the lower ends of the connecting rubber materials 52 of the connecting members 5 in contact with the floor surface 13, water can be scraped off the floor surface 13. By attaching the forklift attachment 1 in the second position to the forks 12 at the fork mounting section 3, and running the forklift 11 with the bristles 422 of the brushes 42 of the first cleaning member 401 and the second cleaning member 402 in contact with the floor surface 13, dirt and dust can be swept away from the floor surface 13.

[0040] Next, the operation and effects of the forklift attachment 1 according to this embodiment will be described. In the forklift attachment 1 according to this embodiment, the cleaning unit 2 is detachably connected to a plurality of cleaning members 4 having rubber material 41 and brushes 42 for cleaning the floor surface 13. Therefore, when not in use and not performing cleaning, the cleaning unit 2 can be disassembled to a compact shape, and the size of the cleaning unit 2 can be adjusted by adjusting the number of connected cleaning members 4. As a result, the forklift attachment 1 can be easily transported and stored, and can be used regardless of the size of the cleaning area. For example, the floor surface 13 can be cleaned using only the first cleaning member 401, or using the first cleaning member 401 and the second cleaning member 402, without using all of the first cleaning member 401, second cleaning member 402, and third cleaning member 403. Because the cleaning unit 2 can be disassembled, the weight of each member is distributed, so the forklift attachment 1 can be used even with a small number of workers.

[0041] The cleaning unit 2 has connecting members 5 that detachably connect the cleaning members 4 to each other. This configuration allows the cleaning members 4 to be connected easily and reliably. The connected cleaning members 4 can be reinforced by adjusting the strength of the connecting members 5. For example, ribs or an interlocking mechanism may be provided on the connecting members 5 to ensure strength and rigidity. Alternatively, a highly wear-resistant material (e.g., POM, PU, ​​PA, hard chrome plating, etc.) may be used for the connecting members 5 to ensure strength and rigidity that can withstand long-term use.

[0042] The connecting member 5 is provided with a connecting rubber material 52. The connecting rubber material 52 overlaps with the rubber material 41 of the cleaning member 4. As a result, the connecting rubber material 52 is also provided between the rubber materials 41 of each of the cleaning members 4 connected by the connecting member 5, thus preventing cleaning leaks (leakage when scooping out water).

[0043] The cleaning unit 2 has a long shape that extends in the width direction of the forklift 11, and the multiple cleaning members 4 are arranged in the width direction of the forklift 11. This configuration allows the long cleaning unit 2 that extends in the width direction to be made compact, making it easier to transport and store the forklift attachment 1.

[0044] In the forklift attachment 1 according to this embodiment, the fork mounting portion 3 allows the cleaning portion 2 to be attached to the fork in a first and second position. The first cleaning member 401 and the second cleaning member 402 have a rubber material 41 that contacts the floor surface 13 when in the first position and a brush 42 that contacts the floor surface 13 when in the second position. With this configuration, different cleaning can be performed by changing the position of the cleaning portion 2.

[0045] Although embodiments of the forklift attachment according to the present invention have been described above, the present invention is not limited to the above embodiments and can be modified as appropriate without departing from the spirit of the invention. For example, in the above embodiment, the cleaning unit 2 has five cleaning members 4 connected together, but the number of cleaning members 4 can be set appropriately as long as two or more cleaning members 4 are connected together. The cleaning members 4 may be detachably connected to each other without the need for a connecting member 5. In such cases, for example, ribs or interlocking mechanisms may be provided on the cleaning members 4 to ensure strength and rigidity. If a connecting member 5 is provided, the connecting member 5 does not need to have a cleaning body part such as a connecting rubber material 52. In both cases, whether the cleaning members 4 are connected to each other or connected via the connecting member 5, a sealing material may be placed between the members to prevent water from entering between them.

[0046] The shape of the cleaning unit 2 does not have to be a long, elongated shape extending in the width direction of the forklift 11. The outer shape of the cleaning unit 2 does not have to be roughly C-shaped; it may be straight, or it may be set to an arc shape or other appropriate shape. The shapes of each of the multiple cleaning members 4 and connecting members 5 may be set as appropriate.

[0047] The fork mounting section 3 may be configured to attach the cleaning section 2 to the fork 12 in only one position. Alternatively, the fork mounting section 3 may be configured to allow the cleaning section 2 to be attached to the fork 12 in three or more positions.

[0048] The cleaning body portions provided on the multiple cleaning members 4 may be made of materials other than rubber 41 or brushes 42. The cleaning body portions may also be configured to contact the floor surface 13 and clean it while maintaining the same posture. The multiple cleaning members 4, the connecting members 5, and the members used in the fork mounting section 3 may be made of materials other than angle iron.

[0049] As shown in Figure 11, the first mounting angle member 31 and the second mounting angle member 32 of the fork mounting portion 3 that clamps the forks 12 of the forklift 11 may be provided with a flat plate-shaped rib 61 with a triangular surface. The first angle member 44 of the cleaning member 4 may also be provided with a rib 62 at a position opposite the rib 61 of the first mounting angle member 31 via the forks 12. By doing so, the bending moment caused by external forces acting on the connection portion of the forklift attachment 1 with the forklift 11 (the part where a heavy load is applied) can be effectively distributed, and bending deformation and deflection of the angle member at the connection portion with the forks 12 can be suppressed. As a result, the structural stability of the connection portion with the forks 12 can be maintained over a long period of time, and the durability of the forklift attachment 1 can be improved. As shown in Figure 12, a rib 63 may be provided on the cleaning member 4 at the connection point with the connecting member 5. By doing so, even if a strong external force is applied temporarily due to a collision or the like, the connection point between the cleaning member 4 and the connecting member 5 will not be displaced or damaged.

[0050] To facilitate the assembly and disassembly of multiple cleaning members 4 and connecting members 5, a quick-release mechanism (lever action clamp or pin lock system) or a snap-fit ​​structure (latch mechanism or guide rail and clip fit) may be used as the connecting mechanism between the members. A lock indicator or the like may be used to visually confirm that the members are securely fixed together. [Explanation of Symbols]

[0051] 1. Forklift attachment 2 Cleaning Department 3. Fork mounting section 4 Cleaning parts 5 Connecting members 11 Forklifts 12 forks 13 Floor surface 41 Rubber material 42 brushes 43 Support part

Claims

1. A cleaning unit that cleans the floor surface, The cleaning unit has a fork mounting portion that can be attached to and detached from the forks of a forklift, The cleaning unit has a plurality of cleaning members that are detachably connected to one another. Each of the aforementioned multiple cleaning members is a forklift attachment having a cleaning body that contacts the floor surface to clean the floor surface.

2. The forklift attachment according to claim 1, wherein the cleaning unit has connecting members that detachably connect the cleaning members to each other.

3. The cleaning unit has an elongated shape that extends in the width direction of the forklift. The forklift attachment according to claim 1 or 2, wherein the plurality of cleaning members are arranged in the width direction of the forklift.

4. The fork mounting portion allows the cleaning portion to be attached to the fork in multiple different orientations. The forklift attachment according to claim 1 or 2, wherein at least one of the plurality of cleaning members has a plurality of cleaning main bodies that contact the floor surface and clean the floor surface for each of the plurality of different postures.

5. The forklift attachment according to claim 4, wherein the plurality of cleaning body parts include rubber material and brushes for water sweeping.

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