CN216973562U - Chassis toolbox and work machine - Google Patents

Abstract

The utility model relates to the technical field of operating machinery, and provides a chassis tool box and operating machinery, wherein the chassis tool box comprises a bottom plate, a side plate assembly and a box door assembly, the side plate assembly is connected to the bottom plate to form a box body structure with an opening at the top, and the side plate assembly is provided with an outlet; the door assembly is mounted to the side panel assembly for opening and closing the outlet. The structure of the tool box of the operating machine facilitates the installation of the tool box and the up-and-down carrying of the bucket teeth, and reduces the labor intensity of production workers and operating personnel.

Description

Chassis toolbox and work machine

Technical Field

The utility model relates to the technical field of operating machinery, in particular to a chassis toolbox and operating machinery.

Background

Some work machines are equipped with teeth, such as excavators, shovel loaders, scarifiers, and the like. The bucket tooth is a consumable part and needs to be replaced frequently. Therefore, a tool box is generally provided on the working machine to store a new bucket tooth to be used and an old bucket tooth to be replaced, so that the bucket tooth can be replaced in time at a construction site. In the related art, a tool box for loading a bucket tooth or other tools is provided on a chassis of a work machine. However, the structural design of the tool box is inconvenient for carrying the bucket teeth up and down, and the physical strength of personnel is consumed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chassis tool box and a working machine, which are used for solving the problem that the tool box of the working machine in the prior art is inconvenient for carrying bucket teeth up and down.

The utility model provides a chassis toolbox, which comprises a bottom plate, a side plate assembly and a box door assembly, wherein the side plate assembly is connected to the bottom plate to form a box body structure with an opening at the top; the door assembly is mounted to the side panel assembly for opening and closing the outlet.

According to the chassis tool box provided by the utility model, the box door assembly comprises a box door and a connecting piece, one end of the box door is rotatably connected with the side plate assembly, and the other end of the box door is detachably connected with the side plate assembly through the connecting piece.

According to the chassis tool box provided by the utility model, the connecting piece comprises two first bolts, one ends of the two box doors are respectively and rotatably connected with the side plate assembly, and the other ends of the two box doors are detachably connected through the first bolts.

According to the chassis tool box provided by the utility model, the two box doors are respectively provided with a first shaft hole, and the axis of the first shaft hole is parallel to the rotation axis of the box door; and when the box door assembly closes the outlet, the first bolt is inserted into the first shaft holes of the two box doors.

According to the chassis tool box provided by the utility model, the side plate assembly is provided with two side wall parts which are oppositely arranged, wherein one side wall part is provided with a tightening device, the other side wall part is provided with a fixing part, the tightening device is used for connecting and releasing a rope or a chain cable, and the fixing part is used for connecting the rope or the chain cable.

According to the chassis tool box provided by the utility model, the tightening device comprises a bracket, a rotating shaft, a ratchet wheel and a pawl, the bracket is fixed on the side wall part, the pawl and the rotating shaft are respectively and rotatably arranged on the bracket, the rotating shaft is used for winding the rope, and the ratchet wheel is coaxially fixed on the rotating shaft.

According to the chassis tool box provided by the utility model, the bottom plate is provided with a through hole.

According to the chassis tool box provided by the utility model, the side plate assembly is provided with a mounting part, and the mounting part is provided with a mounting hole which is used for being connected with a chassis through a bolt.

According to the chassis toolbox provided by the utility model, the side plate assembly comprises two side plates, and the outlet is formed between the two side plates; under the condition that the box door assembly closes the outlet, the bottom plate, the box door assembly and the two side plates form a box body structure with a side opening, and the edge of the bottom plate corresponding to the side opening is arranged in a shape of profiling with the edge side wall of the base plate.

The utility model also provides a working machine, which comprises a chassis and any one of the chassis toolboxes, wherein the chassis toolbox is arranged on the chassis.

The utility model provides a working machine, which further comprises a conveying mechanism, wherein the conveying mechanism is arranged at the bottom of the bottom plate, and the conveying mechanism is provided with a first position stored at the bottom of the bottom plate and a second position unfolded at the bottom of the bottom plate; the conveying mechanism is arranged obliquely relative to the bottom plate when the conveying mechanism is at the second position, so that the conveying mechanism can be used for conveying the to-be-conveyed piece in the chassis tool box to the ground.

According to the chassis tool box and the working machine, the side plate assembly is arranged on the bottom plate to form the box body structure with the top opening, so that the overall weight of the working machine tool box is reduced, and the mounting of the working machine tool box is facilitated. The side plate assembly is provided with an outlet, and the door assembly is used for opening and closing the outlet. Under the condition that the export was opened, the export has reduced the height of upwards carrying the bucket tooth to be convenient for directly push away the bucket tooth in the toolbox from the export and fall ground, made things convenient for the transport from top to bottom of bucket tooth, alleviateed production staff and operation personnel's intensity of labour.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic illustration of a work machine according to the present disclosure;

FIG. 2 is a schematic view of the present invention showing the installation structure of the tool box and the chassis;

FIG. 3 is a schematic view of the configuration of the chassis tool box of the present invention with the door assembly closing the exit opening;

FIG. 4 is a schematic view of the configuration of the chassis tool box of the present invention with the door assembly closing the exit opening;

FIG. 5 is a schematic view of a door structure of a chassis toolbox according to the present invention;

FIG. 6 is a schematic structural view of a first side panel in the chassis toolbox of the present invention;

FIG. 7 is a schematic structural view of a second side panel in the chassis toolbox of the present invention;

reference numerals:

100. a chassis tool box; 200. A chassis; 201. An edge sidewall;

1. a base plate; 11. A through hole; 2. A side plate assembly;

2a, a first side plate; 2b, a second side plate; 21. An outlet;

22. a third connecting portion; 23. A sidewall portion; 24. An installation part;

3. a bin door assembly; 31. A box door; 311. A first connection portion;

312. a second connecting portion; 32. A first latch; 4. An accommodating space;

5. a second bolt; 6. A tightening device; 61. A support;

62. a rotating shaft; 621. A connecting projection; 63. A ratchet wheel;

64. a pawl; 7. A fixing member; 8. And a reinforcing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the parts of the product and do not represent any material differences, unless otherwise specifically stated or limited. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations. Further, "a plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The chassis toolbox and work machine of the present invention will be described below with reference to fig. 1 to 7.

The present invention provides a chassis kit 100 for mounting on a chassis of a lower body of a working machine, for housing parts of the working machine, such as a tooth, a bucket, a pin, and the like. Fig. 1 is a schematic structural diagram of a work machine provided with a chassis kit 100 according to the present invention. Specifically, the chassis tool box is mounted on the chassis 200 of the work machine. Fig. 2 is a schematic view of an installation structure of the chassis toolbox and the chassis provided by the present invention.

Fig. 3 is a schematic structural view of the chassis toolbox according to the present invention when the exit of the box door assembly is closed, and fig. 4 is a schematic structural view of the chassis toolbox according to the present invention when the exit of the box door assembly is closed. The chassis tool box provided by the utility model comprises a bottom plate 1, a side plate component 2 and a box door component 3. The side plate assembly 2 is attached to the base plate 1 to form a box structure having an open top, the side plate assembly 2 being provided with an outlet 21. The door assembly 3 is mounted to the side plate assembly 2 for opening and closing the outlet 21.

Wherein, bottom plate 1 is the level setting, and curb plate subassembly 2 includes at least one curb plate, and the curb plate is vertical setting, and the curb plate is connected or passes through bolted connection with 1 welded fastening of bottom plate in the ascending one end of vertical side to this box structure of top open-ended box structure has accommodation space 4 in the top of bottom plate 1.

The side plate assembly 2 is provided with an outlet 21 communicated with the accommodating space 4, and the outlet 21 is opened and closed by the door assembly 3. The other end of the door 31 is connected to the side plate assembly 2 by a link to prevent the tooth from falling out of the outlet 21 without the need for tooth replacement. When the bucket tooth needs to be conveyed into the chassis tool box 100, the replaced bucket tooth can be placed in the accommodating space 4 from the top opening; the replaced bucket teeth can be placed into the accommodating space 4 from the outlet 21 by opening the box door 31, so that the carrying height can be reduced, and the labor intensity of personnel is reduced. When it is desired to transport the tooth out of the chassis toolbox 100, the box door 31 may be opened to push the tooth directly out of the exit 21 to the ground without significant effort.

According to the chassis tool box provided by the utility model, the side plate assembly 2 is arranged on the bottom plate 1 to form a box body structure with an open top, so that the overall weight of the chassis tool box 100 is reduced, and the chassis tool box 100 is convenient to mount. The exit 21 is opened and closed by the door assembly 3 by providing the exit 21 on the side plate assembly 2. Under the condition that export 21 is closed, export 21 has reduced the height of upwards carrying the bucket tooth, and is convenient for directly push away the bucket tooth in chassis toolbox 100 from export 21 and fall to ground, has made things convenient for the transport from top to bottom of bucket tooth, has alleviateed production staff and operation personnel's intensity of labour. In the case where the door assembly 3 closes the exit 21, the bucket teeth can be prevented from falling from the exit 21.

In some embodiments of the present invention, the bottom plate 1 is provided with a through hole 11. Thus, water on the replaced bucket teeth or rainwater falling into the chassis tool box 100 can leak out of the through holes 11, the inside of the chassis tool box 100 is kept dry, and the load of the working machine is reduced.

In an embodiment of the present invention, door assembly 3 includes at least one door 31. The door 31 may be coupled to the side panel assembly 2 in a variety of ways. For example, the door 31 is movably inserted into the side panel assembly 2. Alternatively, the door 31 may be pivotally attached to the side panel assembly 2. Specifically, the door assembly 3 includes a door 31 and a connecting member, one end of the door 31 is rotatably connected to the side plate assembly 2, and the other end of the door 31 is detachably connected to the side plate assembly 2 through the connecting member.

In some embodiments of the utility model, as shown in fig. 3 and 4, the connector includes a first latch 32. The number of the door 31 is two. One end of each of the two doors 31 is pivotally connected, such as by a hinge, to the respective side panel assembly 2. The other ends of the two doors 31 are detachably coupled by a first latch 32. Of course, the number of the door 31 may be one, and one end of the door 31 may be rotatably connected to the side plate assembly 2 at one side of the exit 21, and the other end may be detachably connected to the side plate assembly 2 at the other side of the exit 21 through a connecting member.

In the embodiment where the number of the door 31 is two, both the doors 31 are provided with the first shaft holes having axes parallel to the rotation axis of the door 31. The first latch 32 is inserted into the first shaft holes of the two doors 31 in a state where the door assembly 3 closes the exit 21.

Fig. 5 is a schematic structural diagram of a door in a chassis toolbox according to the present invention. The two doors 31 may be configured in the same configuration to facilitate fool-proofing during production and assembly. For example, the first connecting portion 311 and the second connecting portion 312 are respectively disposed at both ends of the door 31, and the first connecting portion 311 and the second connecting portion 312 are vertically staggered. Optionally, a through hole is provided on the door 31 to reduce the weight of the door 31.

Specifically, the two doors 31 are a first door and a second door, respectively, the first door is connected to the side plate assembly 2 through a first connecting portion 311, and the second door is connected to the side plate assembly 2 through a second connecting portion 312. The second coupling portion 312 of the first door and the first coupling portion 311 of the second door are coupled by the first latch 32. That is, the first shaft hole of the first door is disposed on the second connecting portion 312, and the first shaft hole of the second door is disposed on the first connecting portion 311.

When the door assembly 3 closes the exit 21, the second connecting portion 312 of the first door and the first connecting portion 311 of the second door are vertically disposed, and the first axial holes of the two doors 31 are coaxial, so that the first bolt 32 can be inserted into the first axial holes of the two doors 31 from above the side plate assembly 2.

In the embodiment where the number of the box doors 31 is two, the chassis toolbox 100 further includes a second bolt 5, and both the box doors 31 are provided with second shaft holes, and the first shaft hole and the second shaft hole are respectively located at two ends of the box door 31. The side plate assembly 2 has a third shaft hole coaxially disposed with the second shaft hole, and each door 31 is rotatably connected with the side plate assembly 2 by a second bolt 5 inserted into the second shaft hole and the corresponding third shaft hole.

Specifically, the second shaft hole of the first door is disposed on the first connecting portion 311, and the second shaft hole of the second door is disposed on the second connecting portion 312. The side plate assemblies 2 positioned at both sides of the outlet 21 are respectively provided with a third connecting portion 22, and the third connecting portions 22 are provided with third shaft holes. The first connecting portion 311 of the first door is connected to the corresponding third connecting portion 22 by one second latch 5, and the second connecting portion 312 of the second door is connected to the corresponding third connecting portion 22 by another second latch 5. In the embodiment, the door 31 and the side plate assembly 2 are connected through the second bolt 5, so that the door 31 can be conveniently assembled and disassembled.

In some embodiments of the present invention, the side panel assembly 2 has two opposite side wall portions 23, wherein one side wall portion 23 is provided with the tightening device 6, and the other side wall portion 23 is provided with the fixing member 7. The tightening device 6 is used for connecting and retracting the rope, and the fixing piece 7 is used for connecting the rope. One end of the rope is connected to the tightening device 6, and the other end of the rope is used for being connected with the fixing piece 7 to limit the movement of the bucket teeth in the accommodating space 4. It should be noted that the tightening device 6 and the fixing member 7 can also be used for connecting and retracting structures such as chain cables and straps.

Wherein, the accommodating space 4 is formed between the two side wall portions 23. The tightening device 6 and the fixing element 7 may be arranged outside the two side wall portions 23, respectively. The number of the fixing members 7 may be plural, and the plural fixing members 7 are arranged along the length direction of the accommodating space 4. When the tooth does not need to be replaced, the door assembly 3 closes the outlet 21 and connects the rope between the tightening device 6 and the fixing member 7, forming a guard structure disposed at the top opening of the box structure to prevent the tooth from falling off the chassis toolbox 100 under the action of vibration generated during operation or traveling of the work machine. When the bucket tooth needs to be carried, the door assembly 3 opens the exit 21 and releases the other end of the rope from the fixing member 7 so as to push the bucket tooth.

Wherein the tightening device 6 comprises a bracket 61, a rotation shaft 62, a ratchet 63 and a pawl 64. The bracket 61 is fixed on the side wall portion 23, the pawl 64 and the rotating shaft 62 are respectively rotatably mounted on the bracket 61, the rotating shaft 62 is used for winding a rope, and the ratchet 63 is coaxially fixed on the rotating shaft 62. The rope can be reeled and unreeled through the rotation of the rotating shaft 62. For example, a rotating handle is provided at one end of the rotating shaft 62, and the rope is stored and released by rotating the handle. A ratchet 63 is fixed to one end of the shaft 62 and a pawl 64 cooperates with the ratchet 63 to limit the direction of rotation of the shaft 62 and prevent rotation of the shaft 62 when the cord is under tension.

Further, as shown in fig. 3 and 4, the rotating shaft 62 is provided with a plurality of connecting protrusions 621, and the plurality of connecting protrusions 621 are arranged along the axial direction of the rotating shaft 62. The rope may be reciprocatingly coupled between the plurality of coupling protrusions 621 and the plurality of fixing pieces 7 to arrange the net-shaped protective structure above the accommodating space 4. The connecting projection 621 may also be used to secure the free end of the cord when the cord is in a stowed state, preventing slack in the cord.

In some embodiments of the utility model, as shown in figure 4, the side panel assembly 2 is provided with a mounting portion 24, the mounting portion 24 being adapted to be connected to a chassis 200. The side plate assembly 2 is further provided with a side wall portion 23, and an accommodating space 4 is formed between the side wall portion 23 and the bottom plate 1. Optionally, the side panel assembly 2 includes at least one side panel, and the mounting portion 24 and the side wall portion 23 are each a portion of a side panel.

In one embodiment, the side plate assembly 2 has two side wall portions 23 disposed opposite to each other, the outlet 21 is formed between one ends of the two side wall portions 23, and the mounting portion 24 is connected between the other ends of the two side wall portions 23. When the door assembly 3 closes the outlet 21, the side wall portion 23, the mounting portion 24, the door assembly 3 and the bottom plate 1 together enclose a box structure with a closed periphery.

In another embodiment, as shown in fig. 3 and 4, the side plate assembly 2 includes two side plates with the outlet 21 formed therebetween. The base plate 1, the door assembly 3 and the two side plates form a box structure having a side opening in a state where the door assembly 3 closes the exit 21.

Specifically, the two side plates are a first side plate 2a and a second side plate 2b, respectively, and one ends of the first side plate 2a and the second side plate 2b are provided with third connecting portions 22 for connecting the box door assembly 3, respectively. Fig. 6 is a schematic structural view of a first side plate in the chassis toolbox according to the present invention, and fig. 7 is a schematic structural view of a second side plate in the chassis toolbox according to the present invention. The first side plate 2a and the second side plate 2b each have a side wall portion 23 and a mounting portion 24 connected to each other. Optionally, a reinforcing rib plate 8 is provided between the side wall portion 23 and the mounting portion 24 to enhance the structural strength of the side panel.

Wherein the side wall portion 23 has a first end and a second end facing away from each other, the first end of the side wall portion 23 is connected to the mounting portion 24, and the outlet 21 is formed between the second ends of the two side wall portions 23. The side wall portion 23 may be provided in a straight plate-shaped structure or an L-plate-shaped structure.

For example, the mounting portion 24 of each side plate is located on one side of the side wall portion 23 close to the accommodating space 4, i.e., a side opening is formed between the two mounting portions 24. The side wall portion 23 of the straight plate-shaped structure is connected to the mounting portion 24 to form an L-shaped side plate. The side wall portion 23 of the L-shaped plate structure is connected to the mounting portion 24 to form a C-shaped side plate, as shown in fig. 6 and 7.

For another example, the mounting portion 24 of each side plate is located on a side of the side wall portion 23 facing away from the accommodating space 4, i.e., a side opening is formed between first ends of the side wall portions 23. The side wall portion 23 of the straight plate-shaped structure is connected to the mounting portion 24 to form an L-shaped side plate. The side wall portion 23 of the L-shaped plate structure is connected to the mounting portion 24 to form a Z-shaped side plate, as shown in fig. 6 and 7.

Further, the bottom plate 1 is provided to be contoured with the edge sidewall 201 of the bottom plate 200 corresponding to the edge of the side opening. For example, as shown in FIG. 2, the edge sidewall 201 of the tray 200 to which the tray tool box 100 is attached is recessed inwardly and the contoured edge of the floor 1 is raised outwardly. When the toolbox 100 is attached to the chassis 200, the contoured edge of the base plate 1 abuts the edge side wall 201 of the chassis 200 to close off the side opening with the edge side wall 201 of the chassis 200, thereby saving material for the side panel assembly 2 and reducing the weight of the toolbox 100.

In some embodiments of the present invention, the mounting portion 24 is provided with mounting holes for coupling with the chassis 200 by bolts. Alternatively, the mounting portion 24 is adapted to be directly welded to the chassis 200.

The present invention also provides a working machine that can be an excavator, a shovel loader, a ripper, or the like, in which a tool box is required to be disposed to accommodate a tooth and a bucket. Taking a ripper as an example, as shown in fig. 1, the working machine includes a chassis 200 and any of the chassis toolboxes 100 described above, and the chassis toolbox 100 is provided on the chassis 200.

Further, the working machine further includes a conveying mechanism (not shown) mounted on the bottom of the base plate 1, the conveying mechanism having a first position stored in the bottom of the base plate 1 and a second position deployed on the bottom of the base plate 1. With the conveying mechanism in the second position, the conveying mechanism extends obliquely from the outlet 21 in a direction away from the chassis tool box 100 to below the chassis 200, i.e. the conveying mechanism is arranged obliquely relative to the base plate 1 for conveying the objects to be conveyed in the chassis tool box 100 to the ground.

The transport mechanism is located at the bottom of the chassis tool box 100 when in the first position. The conveying mechanism is located on the side of the chassis toolbox 100 when in the second position, the input end of the conveying mechanism is connected with the outlet 21, and the output end of the conveying mechanism extends obliquely towards the lower part of the chassis 200 towards the direction far away from the chassis toolbox 100, so that the conveying mechanism forms a slope overlapping the chassis toolbox 100 and the ground.

When it is desired to carry the tooth, the door 31 is opened and the conveyor mechanism is switched to the second position, forming a ramp from the chassis toolbox 100 to the ground. The teeth in the chassis toolbox 100 are pushed from the outlet 21 onto the conveyor. The bucket teeth slide to the ground through the conveying mechanism under the action of gravity.

Wherein, the conveying mechanism can be arranged on the bottom plate 1 in a folding way, or the conveying mechanism can be arranged on the bottom plate 1 in a drawing way. Taking the example of the delivery mechanism being drawably mounted on the base plate 1, the delivery mechanism further has a third position deployed at the bottom of the base plate 1. The transport mechanism is translatable relative to the base plate 1 between a first position and a third position. The conveyor mechanism is rotatable relative to the base plate 1 between a third position and a second position. The length of the conveying mechanism from the input end to the output end of the conveying mechanism can be determined according to the height of the bottom plate 1 and the ground.

When it is desired to switch the conveyor to the second position, the conveyor can be translated from the first position to the third position by pulling the conveyor and then rotated from the third position to the second position relative to the base plate 1 by rotating the conveyor. When the conveying mechanism is located at the second position, the conveying mechanism forms an included angle relative to the bottom plate 1. The embodiment stores and unfolds the conveying mechanism through drawing and rotating operations.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (11)

1. A chassis tool box comprising a base plate, a side plate assembly and a box door assembly, the side plate assembly being connected to the base plate to form a box structure having a top opening, the side plate assembly being provided with an outlet; the door assembly is mounted to the side panel assembly for opening and closing the outlet.

2. The chassis tool box of claim 1, wherein the box door assembly comprises a box door and a connector, one end of the box door is rotatably connected to the side plate assembly, and the other end of the box door is detachably connected to the side plate assembly through the connector.

3. The chassis toolbox of claim 2 wherein said connecting member comprises a first latch, said two doors are provided, one end of each of said two doors is rotatably connected to said side plate assembly, and the other end of each of said two doors is detachably connected via said first latch.

4. The chassis tool box of claim 3, wherein both of the box doors are provided with a first shaft hole, the axis of the first shaft hole being parallel to the rotational axis of the box door; and when the box door assembly closes the outlet, the first bolt is inserted into the first shaft holes of the two box doors.

5. The chassis kit of claim 1, wherein the side panel assembly has two opposing side wall portions, one of the side wall portions having a tightening mechanism for attaching, releasing and attaching a cable or chain, and the other of the side wall portions having a fastener for attaching the cable or chain.

6. The chassis kit of claim 5, wherein the tightening mechanism includes a bracket fixed to the sidewall portion, a shaft, a ratchet wheel, and a pawl, the pawl and the shaft are rotatably mounted to the bracket, respectively, the shaft is configured to wind the cable, and the ratchet wheel is coaxially fixed to the shaft.

7. Chassis kit according to any of claims 1-6, characterized in that the bottom plate is provided with through holes.

8. A chassis kit according to any of claims 1 to 6, wherein the side plate assembly has mounting portions provided with mounting holes for attachment to the chassis by bolts.

9. The chassis kit of any one of claims 1-6, wherein the side plate assembly includes two side plates, the outlet being formed between the two side plates; under the condition that the box door assembly closes the outlet, the bottom plate, the box door assembly and the two side plates form a box body structure with a side opening, and the edge of the bottom plate corresponding to the side opening is arranged in a shape of profiling with the edge side wall of the base plate.

10. A work machine comprising a chassis and a chassis toolbox according to any one of claims 1-9 disposed thereon.

11. The work machine of claim 10, further comprising a conveyor mechanism mounted to the bottom of the floor, the conveyor mechanism having a first position stowed in the bottom of the floor and a second position deployed in the bottom of the floor; the conveying mechanism is arranged obliquely relative to the bottom plate when the conveying mechanism is at the second position, so that the conveying mechanism can be used for conveying the to-be-conveyed piece in the chassis tool box to the ground.

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