Operation box of suction excavating equipment and suction excavating equipment

Abstract

The utility model relates to an operation box of suction excavating equipment and the suction excavating equipment, a box cover is provided with a feed port, a first air passage, a second air passage and a third air passage are arranged in the box cover, and the feed port is communicated with the first air passage; the box cover is located on the box body, a material box is arranged in the box body, the material box is communicated with the first air channel, the first sedimentation mechanism is arranged on one side of the material box, the first sedimentation mechanism is communicated with the material box, the first sedimentation mechanism is used for sedimentation of materials carried in suction air, and the second air channel is communicated with the first sedimentation mechanism; the second settling mechanism is arranged on the other side of the material box, the second air channel is communicated with the second settling mechanism, and the second settling mechanism is used for settling materials carried in the suction gas again; the filtering mechanism is arranged on one side of the second sedimentation mechanism, the filtering mechanism is communicated with the second sedimentation mechanism, the filtering mechanism is used for filtering dust carried in the suction gas, and the third air channel is communicated with the filtering mechanism and is communicated with a fan of the suction excavation equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency rescue equipment, in particular to a work box of a suction excavation device and the suction excavation device. Background Art

[0002] At present, vehicle-mounted pneumatic suction excavators are flexible and have strong environmental adaptability, and are less likely to cause secondary injuries in personnel rescue. They have been widely used in industries such as earthquake rescue, flammable and explosive pipeline construction, urban pipeline network construction and maintenance, industrial waste cleaning, and highway and railway construction and maintenance.

[0003] Current suction excavators are equipped with fans that create negative pressure in the loading box, thereby sucking materials into the loading box. If the sucked gas is not properly filtered, it will be discharged to the outside, causing air pollution. Utility Model Content

[0004] To this end, it is necessary to provide an operating box and a suction excavation equipment for a suction excavation device, which are used to solve the technical problem that the current suction excavation vehicle is equipped with a fan, and the fan creates a negative pressure in the loading box, thereby sucking the material into the loading box. If the sucked gas is not properly filtered, it will be discharged to the outside, which will cause air pollution.

[0005] To achieve the above objectives, the inventors provide a work box for a suction excavation device, comprising:

[0006] A box cover, wherein the box cover is provided with a feed port, and a suction pipe of the suction excavation equipment is connected to the feed port; a first air duct, a second air duct and a third air duct are provided in the box cover, and the feed port is connected to the first air duct;

[0007] A box body, wherein the box cover is located on the box body, the box cover is used to open or close the box body, a material box is provided in the box body, the material box is communicated with the first air duct, and the material box is used to hold materials;

[0008] a first settling mechanism, the first settling mechanism being located in the box body, the first settling mechanism being disposed on one side of the material box, the first settling mechanism being communicated with the material box, the first settling mechanism being used to settle the material carried in the suctioned gas, and the second air passage being communicated with the first settling mechanism;

[0009] a second sedimentation mechanism, the second sedimentation mechanism being located in the box body, the second sedimentation mechanism being arranged on the other side of the material box, the second air passage being connected to the second sedimentation mechanism, and the second sedimentation mechanism being used to further sediment the material carried in the sucked gas;

[0010] And a filtering mechanism, the filtering mechanism is located in the box, the filtering mechanism is arranged on one side of the second sedimentation mechanism, the filtering mechanism is connected to the second sedimentation mechanism, the filtering mechanism is used to filter the dust carried in the sucked gas, the third air duct is connected to the filtering mechanism, and the third air duct is connected to the fan of the suction excavation equipment.

[0011] As a preferred structure of the present invention, the first sedimentation mechanism includes a first air outlet grille and a first baffle. The first air outlet grille is arranged on the upper part of the side wall of the material box. The first baffle is located on one side of the first air outlet grille. The first baffle is arranged in the upper part of the box body. The top of the first baffle is connected to the box body, and the bottom of the first baffle is separated from the bottom plate of the box body with a gap.

[0012] As a preferred structure of the present invention, the first air outlet grille includes multiple groups of first settlement components, which are arranged in sequence. The first settlement components include multiple first settlement plates, which are arranged at intervals and tilted along the longitudinal direction.

[0013] As a preferred structure of the present invention, the second sedimentation mechanism includes multiple groups of second sedimentation components, which are arranged in sequence. The second sedimentation components include multiple second sedimentation plates, which are arranged at intervals and tilted along the longitudinal direction.

[0014] As a preferred structure of the present invention, the filtering mechanism includes a plurality of filter cartridges, and the plurality of filter cartridges are respectively arranged in the box.

[0015] As a preferred structure of the present invention, the filtering mechanism also includes multiple nozzles and an air intake pipe. The air intake pipe is arranged on the box cover. The multiple nozzles are respectively connected to the air intake pipe. The multiple nozzles are respectively arranged corresponding to the multiple filter cartridges. The multiple nozzles are respectively located above the multiple filter cartridges.

[0016] As a preferred structure of the present invention, the nozzle is arranged on the air intake pipe at an angle.

[0017] As a preferred structure of the present invention, the inclination angle of the nozzle is 5-10°.

[0018] As a preferred structure of the present invention, a fourth air duct is further provided in the box body, the third air duct is communicated with the fourth air duct, and the fourth air duct is communicated with the fan.

[0019] As a preferred structure of the present invention, the working box of the suction excavation equipment further includes a crushing mechanism, which is arranged on the side wall of the material box opposite to the first air duct, and is used to crush materials.

[0020] As a preferred structure of the present invention, the crushing mechanism includes a plurality of crushing plates, and the plurality of crushing plates are arranged on the side wall of the material box at intervals along the longitudinal direction.

[0021] Different from the prior art, the beneficial effects of the above technical solution are as follows: when the working box of the suction excavation equipment of the utility model is in operation, the fan of the suction excavation equipment runs, so that negative pressure is generated in the material box, and the material is extracted by the suction pipe of the suction excavation equipment. The material enters the feed port from the suction pipe, and then enters the material box through the first air duct. The material box directly settles the larger materials extracted, and then uses the first settling mechanism to inertially settle the smaller materials carried in the suction gas, and then uses the second settling mechanism to inertially settle the smaller materials carried in the suction gas again, and finally uses the filtering mechanism to filter the dust carried in the suction gas, wherein the materials carried in the suction gas are settled multiple times and finally filtered by the filtering mechanism. After filtering, the suction gas is discharged to the outside to purify the suction gas, thereby reducing or avoiding air pollution and improving environmental protection.

[0022] To achieve the above objectives, the inventors provide a suction excavation device, comprising a working box of any one of the suction excavation devices provided by the above inventors.

[0023] Different from the prior art, the beneficial effects of the above technical solution are as follows: the suction excavation equipment of the present invention, wherein the working box of the suction excavation equipment, when operating, the fan of the suction excavation equipment runs, so that negative pressure is generated in the material box, and the material is extracted by the suction pipe of the suction excavation equipment. The material enters the feed port from the suction pipe, and then enters the material box through the first air duct. The material box directly settles the larger materials extracted, and then uses the first settling mechanism to inertially settle the smaller materials carried in the suction gas, and then uses the second settling mechanism to inertially settle the smaller materials carried in the suction gas again, and finally uses the filtering mechanism to filter the dust carried in the suction gas, wherein the materials carried in the suction gas are settled multiple times and finally filtered by the filtering mechanism. After filtering, the suction gas is discharged to the outside to purify the suction gas, thereby reducing or avoiding air pollution and improving environmental protection.

[0024] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of this application. In order to enable ordinary technicians in this field to understand the technical solution of this application more clearly, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purposes and other purposes, features and advantages of this application easier to understand, the following is an explanation in combination with the specific implementation methods and drawings of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of this application and other related contents, and are not to be considered as limiting this application.

[0026] In the drawings of the specification:

[0027] Figure 1 A cross-sectional view of the suction excavation equipment according to the embodiment;

[0028] Figure 2 for Figure 1 A local enlarged schematic diagram in FIG.

[0029] Figure 3 It is a structural schematic diagram of the suction excavation equipment described in the specific embodiment;

[0030] Figure 4 A schematic structural diagram of a working box of a suction excavation device according to a specific embodiment;

[0031] Figure 5 for Figure 4 A local enlarged schematic diagram in .

[0032] The reference numerals in the above drawings are described as follows:

[0033] 100. Operation box,

[0034] 200, suction tube,

[0035] 300, fan,

[0036] 1. Box cover,

[0037] 11. Feed port,

[0038] 12. First airway,

[0039] 13. Second airway,

[0040] 14. The third airway,

[0041] 2. Box body,

[0042] 21. Material box,

[0043] 22. The fourth airway,

[0044] 3. The first sinking mechanism,

[0045] 31. The first air outlet grille,

[0046] 311. The first settling component,

[0047] 312. The first settling plate,

[0048] 32. First baffle,

[0049] 4. The second sinking mechanism,

[0050] 41. The second sedimentation component,

[0051] 42. Second settling plate,

[0052] 5. Filter mechanism,

[0053] 51. Filter cartridge,

[0054] 52. Nozzle,

[0055] 53. Air intake pipe,

[0056] 6. Crushing mechanism,

[0057] 61. Crushing plate. DETAILED DESCRIPTION

[0058] In order to explain in detail the possible application scenarios, technical principles, specific solutions that can be implemented, and the purpose and effects of this application, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application and are therefore only examples and are not intended to limit the scope of protection of this application.

[0059] References to "embodiments" herein mean that the specific features, structures, or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the word "embodiment" in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the various technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution.

[0060] Unless otherwise defined, the technical terms used herein have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms herein is only for describing specific embodiments and is not intended to limit this application.

[0061] In the description of this application, the term "and / or" is used to describe a logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and both A and B exist. In addition, the character " / " in this document generally indicates that the objects before and after are in a logical "or" relationship.

[0062] In this application, terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, priority or sequence relationship between these entities or operations.

[0063] Without further limitations, in this application, the words "include", "comprise", "have" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those defined elements, but also other elements not explicitly listed, or elements inherent to such process, method or product.

[0064] Consistent with the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceed" are understood to exclude the number itself; expressions such as "above," "below," and "within" are understood to include the number itself. Furthermore, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this manner, such as "multiple groups," "multiple times," etc., unless otherwise specifically defined.

[0065] In the description of the embodiments of the present application, the space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. In addition, in the context, it is also necessary to understand that when it is mentioned that an element is connected to another element "on" or "under", it can not only be directly connected to the other element "on" or "under", but also be indirectly connected to the other element "on" or "under" through an intermediate element.

[0066] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms "installed", "connected", "connected", "fixed", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art of the present application, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0067] See also Figures 1 to 5 This embodiment relates to a work box 100 of a suction excavation device, wherein the suction device in this embodiment is a suction excavation vehicle; the work box 100 of the suction excavation device includes:

[0068] A box cover 1 is provided with a feed port 11, a suction pipe 200 of the suction excavation equipment is connected to the feed port 11, a first air channel 12, a second air channel 13 and a third air channel 14 are provided in the box cover 1, and the feed port 11 is connected to the first air channel 12;

[0069] The box body 2 has a lid 1 located on it. The lid 1 is used to open or close the box body 2. The connection between the lid 1 and the box body 2 can be various, such as the lid 1 being directly hinged to the box body 2, or the lid 1 being hinged to the frame of the suction excavation equipment without any connection between them. A material box 21 is provided within the box body 2. The material box 21 is connected to the first air duct 12 and is used to hold material. The operation of the fan 300 of the suction excavation equipment creates a negative pressure within the material box 21, causing the material to be drawn into the suction pipe 200. The material enters the feed port 11 from the suction pipe 200 and then enters the material box 21 through the first air duct 12. The material box 21 directly settles larger materials. It should be noted that the materials in this embodiment are ceramic tiles, bricks, cement rebar, soil, etc.

[0070] The first sedimentation mechanism 3 is located in the box body 2, the first sedimentation mechanism 3 is arranged on one side of the material box 21, the first sedimentation mechanism 3 is connected to the material box 21, the first sedimentation mechanism 3 is used to settle the material carried in the suction gas, and the second air duct 13 is connected to the first sedimentation mechanism 3; the first sedimentation mechanism 3 is used to inertially settle the smaller materials carried in the suction gas to purify the suction gas, so as to reduce air pollution and improve environmental protection.

[0071] The second sedimentation mechanism 4 is located in the box body 2, the second sedimentation mechanism 4 is arranged on the other side of the material box 21, the second air duct 13 is connected to the second sedimentation mechanism 4, and the second sedimentation mechanism 4 is used to sediment the material carried in the sucked gas again; the smaller materials carried in the sucked gas are inertially settled again by the second sedimentation mechanism 4 to purify the sucked gas, and the secondary sedimentation is used to reduce air pollution and improve environmental protection.

[0072] And a filtering mechanism 5, the filtering mechanism 5 is located in the box body 2, the filtering mechanism 5 is arranged on one side of the second sedimentation mechanism 4, the filtering mechanism 5 is connected to the second sedimentation mechanism 4, the filtering mechanism 5 is used to filter the dust carried in the suction gas, the third air duct 14 is connected to the filtering mechanism 5, wherein the dust carried in the suction gas is finally filtered by the filtering mechanism 5, and the suction gas is purified again to reduce or avoid air pollution and improve environmental protection. The third air duct 14 is connected to the fan 300 of the suction excavation equipment. Optionally, in some embodiments, such as Figures 1 to 5 As shown, a fourth air duct 22 is further provided in the box body 2 , the third air duct 14 is communicated with the fourth air duct 22 , and the fourth air duct 22 is communicated with the air inlet of the fan 300 .

[0073] Specifically, in the working box 100 of the suction excavation equipment in this embodiment, when operating, the fan 300 of the suction excavation equipment runs, so that negative pressure is generated in the material box 21, and the material is extracted by the suction pipe 200 of the suction excavation equipment. The material enters the feed port 11 from the suction pipe 200, and then enters the material box 21 through the first air duct 12. The material box 21 directly settles the larger materials extracted, and then uses the first settling mechanism 3 to inertially settle the smaller materials carried in the suction gas, and then uses the second settling mechanism 4 to inertially settle the smaller materials carried in the suction gas again, and finally uses the filtering mechanism 5 to filter the dust carried in the suction gas. The material carried in the suction gas is settled multiple times and finally filtered by the filtering mechanism 5. After filtering, the suction gas is discharged to the outside to purify the suction gas, thereby reducing or avoiding air pollution and improving environmental protection.

[0074] Optionally, in some embodiments, Figures 1 to 5As shown, the first sedimentation mechanism 3 includes a first air outlet grille 31 and a first baffle 32. The first air outlet grille 31 is arranged on the upper part of the side wall of the material box 21. The first baffle 32 is spaced apart and located on one side of the first air outlet grille 31. The first baffle 32 is arranged in the upper part of the box body 2. The first baffle 32 blocks the material carried in the suction gas, so that the material carried in the suction gas settles into the box body 2. The top of the first baffle 32 is connected to the box body 2, and the bottom of the first baffle 32 is spaced apart from the bottom plate of the box body 2 with a gap, thereby facilitating the circulation of the suction gas. It should be noted that the structure of the first sedimentation mechanism 3 of this embodiment is not limited to this. Those skilled in the art can select other suitable first sedimentation mechanisms 3 based on the teachings of this embodiment.

[0075] Optionally, in some embodiments, Figures 1 to 5 As shown, the first air outlet grille 31 includes multiple groups of first sedimentation components 311, and the multiple groups of first sedimentation components 311 are arranged in sequence to facilitate the circulation of the sucked gas. The first sedimentation component 311 includes multiple first sedimentation plates 312, and the multiple first sedimentation plates 312 are arranged at intervals and tilted along the longitudinal direction. When the airflow with low density turns sharply, the particles with higher density move vertically downward under the action of inertia, thereby separating materials with larger particle size. The larger materials settle into the box body 2 to purify the sucked gas, reduce or avoid air pollution, and improve environmental protection.

[0076] Optionally, in some embodiments, Figures 1 to 5 As shown, the second sedimentation mechanism 4 includes multiple groups of second sedimentation components 41, which are arranged in sequence. The second sedimentation components 41 include multiple second sedimentation plates 42, and the multiple second sedimentation plates 42 are arranged at intervals and tilted along the longitudinal direction, so that smaller materials are settled into the box body 2, and the materials are settled again to purify the suction gas, thereby reducing or avoiding air pollution and improving environmental protection. The structure of the second sedimentation mechanism 4 of this embodiment is not limited to this. Those skilled in the art can select other suitable second sedimentation mechanisms 4 based on the teachings of this embodiment.

[0077] Optionally, in some embodiments, Figures 1 to 5 As shown, the filtering mechanism 5 includes a plurality of filter cartridges 51, and the plurality of filter cartridges 51 are respectively arranged in the box body 2. By providing a plurality of filter cartridges 51, the dust carried in the sucked gas is filtered at the same time, and the sucked gas is further purified to reduce or avoid air pollution and improve environmental protection.

[0078] Optionally, in some embodiments, Figures 1 to 5As shown, the filtering mechanism 5 also includes a plurality of nozzles 52 and an air intake pipe 53. The air intake pipe 53 is provided on the box cover 1. The plurality of nozzles 52 are respectively connected to the air intake pipe 53. The nozzles 52 and the air intake pipe 53 are provided on the box cover 1 to facilitate future maintenance. The plurality of nozzles 52 are respectively provided corresponding to the plurality of filter cartridges 51. The plurality of nozzles 52 are respectively located above the plurality of filter cartridges 51. By providing a plurality of nozzles 52, pulse dust removal of the plurality of filter cartridges 51 is facilitated, and the filter cartridges 51 are tightly dusted to increase the practical life of the filter cartridges 51. Gas is provided to the air intake pipe 53 by the air compressor on the suction device. The structure of the filtering mechanism 5 of this embodiment is not limited thereto. Those skilled in the art can select other suitable filtering mechanisms 5 according to the teachings of this embodiment.

[0079] Optionally, in some embodiments, Figures 1 to 5 As shown, the nozzle 52 is tilted on the air inlet duct 53 to improve the dust removal effect of the filter cartridge 51. The tilt angle of the nozzle 52 is 5-10 degrees. Preferably, in this embodiment, the tilt angle of the nozzle 52 is 8 degrees to achieve the best dust removal effect of the filter cartridge 51.

[0080] Optionally, in some embodiments, Figures 1 to 5 As shown, the working box 100 of the suction excavation equipment also includes a crushing mechanism 6, which is arranged on the side wall of the material box 21 opposite to the first air duct 12. The crushing mechanism 6 is used to crush materials, wherein the material is ejected from the first air duct 12 and projected onto the crushing mechanism 6. The material collides with the crushing mechanism 6, thereby crushing the material, thereby improving the utilization rate of the material box 21 and being able to hold more materials.

[0081] Specifically, in this embodiment, Figures 1 to 5 As shown, the crushing mechanism 6 includes multiple crushing plates 61, which are spaced apart longitudinally on the sidewalls of the material box 21. Material is ejected from the first air passage 12 and impacts the crushing plates 61, where it collides with the crushing plates 61, thereby crushing the material. This improves the utilization rate of the material box 21 and allows it to hold more material. It should be noted that the structure of the crushing mechanism 6 of this embodiment is not limited to this embodiment. Those skilled in the art may select other suitable crushing mechanisms 6 based on the teachings of this embodiment.

[0082] See also Figures 1 to 5The present embodiment relates to a suction excavation device, comprising a work box 100 of the suction excavation device as described in any one of the above embodiments, and the work box 100 is arranged on the suction excavation device. The suction device in this embodiment is a suction excavator. Specifically, during operation, the fan 300 of the suction excavation device is in operation, so that negative pressure is generated in the material box 21, and the material is extracted by the suction pipe 200 of the suction excavation device. The material enters the feed port 11 from the suction pipe 200, and is then ejected into the material box 21 through the first air channel 12. The material is ejected from the first air channel 12 and ejected onto the crushing plate 61. The material collides with the crushing plate 61, thereby crushing the material, thereby improving the utilization rate of the material box 21, so that the material box 21 can hold more material; the material The box 21 directly settles the larger materials extracted, and then the first settling mechanism 3 performs inertial sedimentation on the smaller materials carried in the suction gas, and then the second settling mechanism 4 performs inertial sedimentation on the smaller materials carried in the suction gas again, and finally the filtering mechanism 5 filters the dust carried in the suction gas. The materials carried in the suction gas are settled multiple times and finally filtered through the filtering mechanism 5. Only after filtering is the suction gas discharged to the outside to purify the suction gas, thereby reducing or avoiding air pollution and improving environmental protection.

[0083] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concepts of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A work box of a suction excavation equipment, characterized in that: include: A box cover, wherein the box cover is provided with a feed port, and a suction pipe of the suction excavation equipment is connected to the feed port; a first air duct, a second air duct and a third air duct are provided in the box cover, and the feed port is connected to the first air duct; A box body, wherein the box cover is located on the box body, the box cover is used to open or close the box body, a material box is provided in the box body, the material box is communicated with the first air duct, and the material box is used to hold materials; a first settling mechanism, the first settling mechanism being located in the box body, the first settling mechanism being disposed on one side of the material box, the first settling mechanism being communicated with the material box, the first settling mechanism being used to settle the material carried in the suctioned gas, and the second air passage being communicated with the first settling mechanism; a second sedimentation mechanism, the second sedimentation mechanism being located in the box body, the second sedimentation mechanism being arranged on the other side of the material box, the second air passage being connected to the second sedimentation mechanism, and the second sedimentation mechanism being used to further sediment the material carried in the sucked gas; And a filtering mechanism, the filtering mechanism is located in the box, the filtering mechanism is arranged on one side of the second sedimentation mechanism, the filtering mechanism is connected to the second sedimentation mechanism, the filtering mechanism is used to filter the dust carried in the sucked gas, the third air duct is connected to the filtering mechanism, and the third air duct is connected to the fan of the suction excavation equipment.

2. The work box of the suction excavation equipment according to claim 1, characterized in that: The first sedimentation mechanism includes a first air outlet grille and a first baffle. The first air outlet grille is arranged on the upper part of the side wall of the material box. The first baffle is located on one side of the first air outlet grille. The first baffle is arranged in the upper part of the box body. The top of the first baffle is connected to the box body, and the bottom of the first baffle is separated from the bottom plate of the box body with a gap.

3. The work box of the suction excavation equipment according to claim 2, characterized in that: The first air outlet grille includes multiple groups of first settlement components, which are arranged in sequence. The first settlement components include multiple first settlement plates, which are arranged at intervals and tilted along the longitudinal direction.

4. The work box of the suction excavation equipment according to claim 1, characterized in that: The second sedimentation mechanism includes multiple groups of second sedimentation components, which are arranged in sequence. The second sedimentation components include multiple second sedimentation plates, which are arranged at intervals and tilted along the longitudinal direction.

5. The work box of the suction excavation equipment according to claim 1, characterized in that: The filtering mechanism includes a plurality of filter cartridges, and the plurality of filter cartridges are respectively arranged in the box body.

6. The work box of the suction excavation equipment according to claim 5, characterized in that: The filtering mechanism also includes a plurality of nozzles and an air intake pipe. The air intake pipe is arranged on the box cover. The plurality of nozzles are respectively connected to the air intake pipe. The plurality of nozzles are respectively arranged corresponding to the plurality of filter cartridges. The plurality of nozzles are respectively located above the plurality of filter cartridges.

7. The work box of the suction excavation equipment according to claim 6, characterized in that: The nozzle is arranged on the air intake pipe in an inclined manner.

8. The work box of the suction excavation equipment according to claim 7, characterized in that: The inclination angle of the nozzle is 5-10°.

9. The work box of the suction excavation equipment according to claim 1, characterized in that: A fourth air duct is further provided in the box body, the third air duct is communicated with the fourth air duct, and the fourth air duct is communicated with the fan.

10. The work box of the suction excavation equipment according to any one of claims 1 to 9, characterized in that: The working box of the suction excavation equipment further includes a crushing mechanism, which is provided on a side wall of the material box opposite to the first air channel, and is used for crushing materials.

11. The work box of the suction excavation equipment according to claim 10, characterized in that: The crushing mechanism includes a plurality of crushing plates, which are arranged on the side wall of the material box at intervals along the longitudinal direction.

12. A suction excavation device, characterized in that: A working box comprising the suction excavation equipment according to any one of claims 1 to 11.

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