Crushing assembly, suction nozzle crushing device and cleaning and sweeping vehicle

Abstract

The embodiment of the utility model provides a crushing assembly, a suction nozzle crushing device and a cleaning and sweeping vehicle, and relates to the technical field of road cleaning. The crushing assembly comprises a mounting body, a throwing shaft, a plurality of throwing blades and a plurality of first spacer bushes, and the throwing shaft is mounted on the mounting body; the throwing shaft is sleeved with the throwing blades. When the washing and sweeping vehicle is transferred and encounters a steep slope or an uneven road surface, the throwing blades can rotate relative to the throwing shaft, so that sudden change loads are avoided, the throwing blades are prevented from being damaged, and the service life of the device is prolonged. In addition, at least one first spacer bush is arranged between every two adjacent throwing blades, and the throwing shaft is sleeved with the first spacer bushes. And by arranging the first spacer bush, the feeding space can be widened, and then the crushing capacity is enhanced. In addition, by arranging the first spacer bushes, the flail blades can be conveniently installed, gap adjustment is conducted, and manufacturing errors are made up.

Description

Technical Field

[0001] This utility model relates to the field of road cleaning technology, specifically to a crushing component, a suction nozzle crushing device, and a sweeper truck. Background Technology

[0002] Currently, domestically produced sweeper trucks of various specifications have good suction nozzles for sweeping small debris such as dust and gravel from the road surface. However, their performance is poor when there is a lot of debris such as leaves on the road in autumn. Large leaves accumulate outside the suction nozzle, causing blockages and preventing them from entering. Large leaves that do enter the suction nozzle can also clog the suction cylinder, preventing the nozzle from functioning properly. Therefore, existing sweeper trucks cannot effectively clean roads with large amounts of leaves or collect ground debris. To solve the problem of cleaning fallen leaves and branches, sweeper trucks have incorporated suction devices with leaf-crushing capabilities.

[0003] However, the existing suction nozzle crushing device is not wide enough, resulting in limited crushing capacity. Furthermore, when the sweeper passes over sloping or uneven surfaces, the ground may damage the crushing blades, affecting the device's lifespan. Utility Model Content

[0004] This utility model provides a crushing component, a suction nozzle crushing device, and a sweeper, which can widen the feeding space, enhance the crushing capacity, and avoid sudden loads to prevent damage to the blades and extend the service life of the device.

[0005] The embodiments of this utility model can be implemented as follows:

[0006] An embodiment of this utility model provides a crushing component, which includes: a mounting body, a swivel shaft, a plurality of swivel blades, and a plurality of first spacers. The swivel shaft is mounted on the mounting body; the plurality of swivel blades are all sleeved on the swivel shaft; at least one first spacer is provided between two adjacent swivel blades, and the first spacer is sleeved on the swivel shaft.

[0007] In an optional embodiment, the crushing assembly further includes a second spacer sleeve fitted onto the swivel shaft; at least two first spacers are provided between at least two adjacent swivel blades, and the at least two first spacers are spaced apart by the second spacer sleeve.

[0008] In an optional embodiment, the mounting body includes a cylindrical body and two mounting structures disposed at both ends of the cylindrical body; the number of the swing shafts is two, and the two swing shafts are symmetrically arranged around the cylindrical body.

[0009] In an optional embodiment, the mounting body further includes a plurality of fixing plates, which are spaced apart along the axial direction of the cylinder; each fixing plate is provided with a mounting hole, all of which are coaxial, and the swing shaft passes through the mounting hole.

[0010] In an optional embodiment, the cylinder is further provided with a limiting strip that extends along the central axis of the cylinder and is used to limit the rotation angle of the swivel blade.

[0011] In an optional embodiment, the crushing assembly further includes two mounting components, which are respectively disposed at both ends of the mounting body; each mounting component includes a mounting plate and a bearing seat, and the mounting body is connected to the mounting plate through the bearing seat; a shock-absorbing pad is disposed between the bearing seat and the mounting plate.

[0012] An embodiment of this utility model also provides a suction nozzle crushing device, including a suction nozzle assembly and the crushing component described in any of the above embodiments, wherein the mounting body is connected to the suction nozzle assembly.

[0013] In an optional embodiment, the suction nozzle crushing device further includes a cover, which is hinged to the suction nozzle assembly. The cover has a cavity and an opening, and the crushing components are all disposed within the cavity.

[0014] In an optional embodiment, the suction nozzle crushing device further includes a connecting rod, one end of which is hinged to the suction nozzle assembly, and the other end of which is hinged to the vehicle body; the connecting rod is located above the cover; the connecting rod has a curved section that is recessed toward the cover to avoid interference with the cover.

[0015] An embodiment of this utility model also provides a sweeper vehicle, including a vehicle body and a suction nozzle crushing device as described in any of the above embodiments, wherein the suction nozzle crushing device is disposed on the vehicle body.

[0016] The beneficial effects of the crushing component, suction nozzle crushing device, and sweeper truck of this utility model embodiment include, for example:

[0017] The crushing assembly includes a mounting body, a swivel shaft, multiple swivel blades, and multiple first spacers. The swivel shaft is mounted on the mounting body; the multiple swivel blades are all fitted onto the swivel shaft. When the sweeper truck is moving between locations and encounters steep slopes or uneven road surfaces, the swivel blades can rotate relative to the swivel shaft to avoid sudden loads, preventing damage to the blades and extending the service life of the device. Furthermore, at least one first spacer is provided between two adjacent swivel blades, and the first spacer is fitted onto the swivel shaft. By setting the first spacer, the feeding space can be widened, thereby enhancing the crushing capacity. In addition, the first spacer also facilitates the installation of the swivel blades, allows for gap adjustment, and compensates for manufacturing errors. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the sweeper provided in an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram from a first-view perspective of the suction nozzle crushing device provided in an embodiment of this utility model;

[0021] Figure 3 This is a schematic diagram from a second perspective of the suction nozzle crushing device provided in an embodiment of this utility model;

[0022] Figure 4 This is a schematic diagram from a third-person perspective of the suction nozzle crushing device provided in an embodiment of this utility model;

[0023] Figure 5 This is a schematic diagram from a fourth perspective of the suction nozzle crushing device provided in an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the AA cross-section provided in an embodiment of this utility model;

[0025] Figure 7 This is a schematic diagram of the crushing component provided in an embodiment of the present utility model;

[0026] Figure 8 This is a schematic diagram of the mounting body provided in an embodiment of the present invention.

[0027] Icons: 10-Sweeper truck; 1000-Suction nozzle crushing device; 100-Suction nozzle assembly; 200-Crushing component; 210-Mounting plate; 220-Drive component; 230-Mounting body; 231-Cylinder; 232-Fixing plate; 2321-Mounting hole; 233-Limiting strip; 234-Mounting structure; 240-Swing shaft; 250-Swing blade; 260-First spacer; 270-Second spacer; 300-Bearing seat; 400-Shock damping pad; 500-Flange shaft; 600-Cover; 610-Cavity; 620-Opening; 700-Connecting rod; 710-Bent section; 800-Side guide plate; 900-Mounting component; 2000-Vehicle body. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0031] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0032] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0033] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0034] Currently, domestically produced sweeper suction nozzles of various specifications are effective at sweeping small debris such as dust and gravel from roads. However, their effectiveness is poor when there is a lot of debris such as leaves on the road in autumn. Large leaves accumulate outside the suction nozzle, causing blockages and preventing them from entering. Large leaves that do enter the nozzle can also clog the suction cylinder, preventing the suction nozzle from functioning properly. Therefore, existing sweeper trucks cannot effectively clean roads with large amounts of leaves or collect ground debris. To solve the problem of cleaning fallen leaves and branches, sweeper trucks have incorporated suction devices with leaf-crushing functions. However, the existing suction nozzle crushing devices are not wide enough, resulting in limited crushing capacity. Furthermore, when the sweeper travels over sloping or uneven surfaces, the ground may damage the crushing blades, affecting the lifespan of the device.

[0035] Based on this, please refer to Figure 1 and Figure 2 The suction nozzle crushing device 1000 provided in the embodiments of this utility model can effectively improve the aforementioned technical problems. This suction nozzle crushing device 1000 can widen the feeding space, enhance crushing capacity, and also avoid sudden load changes to prevent damage to the blades 250 and extend the service life of the device. The suction nozzle crushing device 1000 is applied to a sweeper truck 10 to suck up and crush fallen leaves, branches, and other debris, preventing blockage of the suction cylinder when sucking up large amounts of large leaves or branches, thus hindering effective sweeping of roads with a large amount of leaves and the collection of ground debris. The sweeper truck 10 equipped with this suction nozzle crushing device 1000 also has the same functions as described above, and will not be elaborated further here.

[0036] Figure 1 For a schematic diagram of the sweeper truck 10 provided in the embodiments of this utility model, please refer to [link / reference]. Figure 1 In this embodiment, the sweeper 10 includes a vehicle body 2000 and a suction nozzle crushing device 1000, which is mounted on the vehicle body 2000. The sweeper 10 also includes a garbage bin and a suction pipe. The garbage bin is mounted on the vehicle body 2000. The suction nozzle assembly 100 of the suction nozzle crushing device 100 has an air intake. One end of the suction pipe is connected to the air intake, and the other end of the suction pipe extends into the garbage bin to suck up fallen leaves, branches, and other debris processed by the suction nozzle crushing device 1000 into the garbage bin. Furthermore, the sweeper may also include other structures such as a sweeping disc, depending on the actual working scenario, and is not limited here.

[0037] Figure 2 This is a schematic diagram from a first-view perspective of the suction nozzle crushing device 1000 provided in an embodiment of this utility model; Figure 3 This is a schematic diagram from a second perspective of the suction nozzle crushing device 1000 provided in an embodiment of this utility model; Figure 4This is a third-view schematic diagram of the suction nozzle crushing device 1000 provided in an embodiment of the present utility model; Figure 5 This is a schematic diagram from a fourth perspective of the suction nozzle crushing device 1000 provided in an embodiment of this utility model; Figure 6 This is a schematic diagram of the AA cross-section provided in an embodiment of this utility model; Figure 7 This is a schematic diagram of the crushing component 200 provided in an embodiment of the present utility model; Figure 8 This is a schematic diagram of the mounting body 230 provided in an embodiment of the present utility model.

[0038] Please see Figure 1 and Figure 2 The suction nozzle crushing device 1000 in this embodiment includes a suction nozzle assembly 100 and a crushing component 200. The mounting body 230 of the crushing component 200 is connected to the suction nozzle assembly 100. Specifically, the mounting body 230 can be connected to the suction nozzle assembly 100 via bearing seats 300. That is, bearing seats 300 are provided at both ends of the mounting body 230, and the bearing seats 300 are fixed to the suction nozzle assembly 100. Of course, the mounting body 230 can also be connected to the suction nozzle assembly 100 via other structures, which are not limited here. Alternatively, the mounting body 230 can have first mounting holes 2321 at both ends, and the housing of the suction nozzle assembly 100 can have corresponding second mounting holes 2321. Fasteners pass through the first mounting holes 2321 and the second mounting holes 2321 to connect the mounting body 230 and the suction nozzle assembly 100. The mounting body 230 can also be connected to the suction nozzle assembly 100 by snap-fitting, welding, or other methods, which are not limited here. The suction nozzle assembly 100 is used to suck up fallen leaves and other garbage from the road surface into the crushing component 200 for crushing, so as to prevent fallen leaves and other garbage from clogging the suction port of the suction nozzle assembly 100 and improve cleaning efficiency.

[0039] In addition, please see Figures 1 to 4 To prevent the crushed trash from scattering and to ensure it is sucked into the trash can, the suction nozzle crushing device 1000 in this embodiment also includes a cover 600, which is hinged to the suction nozzle assembly 100. The cover 600 has a cavity 610 and an opening 620, and the crushing components 200 are all disposed within the cavity 610. Fallen leaves, branches, and other trash are sucked into the cavity 610 of the cover 600 through the opening 620, and the crushing components 200 crush the trash within the cavity 610. Specifically, to further improve the effectiveness of the cover 600, in this embodiment, the cover 600 is close to the front wall panel of the suction nozzle.

[0040] To improve the cleanliness of the floor, the nozzle assembly 100 in this embodiment is equipped with a rear water spray pipe and side water spray pipes. The rear water spray pipe is installed at the rear of the nozzle assembly 100, and the side water spray pipes are installed on the left and right sides of the nozzle assembly 100. During operation, the water spray pipes form a high-pressure water jet to clean the floor. In addition, the nozzle assembly 100 in this embodiment is supported by six support wheels, with three support wheels spaced apart on one side of the nozzle assembly 100. This design structure and force distribution are more reasonable, and it allows the front end of the nozzle air duct to remain unobstructed, maintaining optimal suction power.

[0041] Please see Figure 1 and Figure 2 and combined Figure 3 In this embodiment, the suction nozzle crushing device 1000 also includes two side guide plates 800, which are respectively fixed to both sides of the cover 600. Furthermore, the side guide plates 800 can be offset away from the cavity 610 of the cover 600. This arrangement increases the crushing opening of the suction nozzle crushing device 1000, causing the waste contacting the side guide plates to converge towards the blades 250 inside the cover cavity 610 as the side guide plates move with the sweeper 10, resulting in more waste being crushed.

[0042] Avoiding interference between the non-operational crushing component 200 and the parts of the sweeper truck 10 is currently the main reason for the limited crushing capacity of the sweeper truck 10. Please refer to... Figures 1-4 and combined Figure 5 In this embodiment, the suction nozzle crushing device 1000 further includes a connecting rod 700. One end of the connecting rod 700 is hinged to the suction nozzle assembly 100, and the other end is hinged to the vehicle body 2000. The connecting rod 700 is located above the cover 600. The connecting rod 700 has a bent section 710, which is recessed towards the cover 600 to avoid interference with the cover 600. One end of the connecting rod 700 is hinged to the suction nozzle assembly 100 via a pin, and the other end of the connecting rod 700 is hinged to the bracket of the chassis beam of the vehicle body 2000 via a pin, so as to fix the suction nozzle crushing device 1000 to the vehicle body 2000. By providing the bent section 710, the connecting rod 700 can avoid interference with the lifting state of the cover 600 during relocation and transportation.

[0043] The crushing component 200 will be described in detail below.

[0044] Please see Figures 1 to 4 and combined Figure 7In this embodiment, the crushing assembly 200 includes a mounting body 230, a swing shaft 240, multiple swing blades 250, and multiple first spacers 260. The swing shaft 240 is mounted on the mounting body 230; the multiple swing blades 250 are all sleeved on the swing shaft 240; at least one first spacer 260 is provided between two adjacent swing blades 250, and the first spacer 260 is sleeved on the swing shaft 240. When the sweeper truck 10 is moving, if it encounters a steep slope or uneven road surface, the swing blades 250 can rotate relative to the swing shaft 240 to avoid sudden loads, prevent damage to the swing blades 250, and extend the service life of the device. By setting the first spacers 260, the feeding space can be widened, thereby enhancing the crushing capacity. In addition, by setting the first spacers 260, it is also convenient to install the swing blades 250, adjust the gap, and compensate for manufacturing errors.

[0045] Please continue reading. Figures 1 to 4 and combined Figure 7 In this embodiment, the crushing component 200 further includes a second spacer 270, which is fitted onto the swing shaft 240. At least two first spacers 260 are provided between at least two adjacent swing blades 250, and these first spacers 260 are separated by the second spacers 270. Multiple second spacers 270 are spaced and fitted onto the swing shaft 240. By adding the second spacers 270, the spacing between adjacent swing blades 250 can be changed, allowing for partial coarse crushing and partial fine crushing of the waste. This enables multi-stage crushing of the waste by the crushing component 200, improving crushing efficiency and reducing energy consumption. The lengths of the first spacers 260 and the second spacers 270 can be selected according to the desired width of the crushed fragments, and are not limited here. In this embodiment, the width of the second spacer 270 is larger than the width of the first spacer 260. Of course, the widths of the first spacer 260 and the second spacer 270 can also be the same, or the width of the first spacer 260 can be larger than the width of the second spacer 270; this is not limited here. By setting two spacers of different widths, the installation of the blade 250 and the adjustment of the installation gap can be facilitated, compensating for manufacturing errors.

[0046] The mounting body 230 in this embodiment includes a cylinder 231 and two mounting structures 234 disposed at both ends of the cylinder 231; there are two swing shafts 240, which are symmetrically arranged around the cylinder 231. By setting two swing shafts 240 and symmetrically arranging them, the overall structural balance can be improved, and the symmetrical weight distribution can reduce vibration and extend its service life. The mounting structure 234 is used as a drive component 220 to drive the cylinder 231 to rotate, thereby driving the swing blades 250 to rotate, so as to achieve the crushing of waste. The drive component 220 can be a motor, electric motor, etc., and is not limited here. In this embodiment, the mounting structure 234 is a flange plate. Of course, the mounting structure 234 can also be other structures, and is not limited here.

[0047] Please see Figures 1 to 4 and combined Figure 6 and Figure 7 In this embodiment, the crushing assembly 200 further includes two mounting members 900, which are respectively disposed at both ends of the mounting body 230. Each mounting member 900 includes a mounting plate 210 and a bearing seat 300. The mounting body 230 is connected to the mounting plate 210 through the bearing seat 300. A shock-absorbing pad 400 is disposed between the bearing seat 300 and the mounting plate 210. By adding the shock-absorbing pad 400, the vibration during the rotation of the crushing assembly 200 can be reduced, wear can be reduced, and the service life can be extended. Of course, the mounting member 900 can also adopt other structures, which are not limited here. In addition, the mounting member 900 in this embodiment also includes a flange shaft 500. The bearing seat 300 is connected to the flange shaft 500, and the flange shaft 500 is connected to the mounting body 230. A driving member 220 is disposed in the bearing seat 300, and the driving member 220 is drivingly connected to the flange shaft 500. The drive unit 220 is connected to the bearing housing 300 by fasteners such as bolts, and transmits the rotational power to the flange shaft 500 by key drive. The flange shaft 500 is connected to the mounting structure 234 of the mounting body 230 by fasteners such as bolts, thereby driving the cylinder 231 and the blades 250 set on the cylinder 231 to rotate, so as to achieve the crushing function.

[0048] To secure the spindle 240 and prevent excessive deflection of the spindle 240 under centrifugal force, which could damage the device, please refer to [link / reference needed]. Figure 8 In this embodiment, the mounting body 230 also includes multiple fixing plates 232, which are spaced apart along the axial direction of the cylinder 231; each fixing plate 232 has a mounting hole 2321, all mounting holes 2321 are coaxial, and the swing shaft 240 passes through the mounting hole 2321.

[0049] Furthermore, the rotation angle changes the distance between the tip of the 250mm blade and the ground, which is the fundamental reason why the crusher can avoid sudden loads such as hard rocks and other debris. Please continue reading. Figure 8 In this embodiment, the cylinder 231 is also provided with a limiting strip 233. The limiting strip 233 extends along the central axis of the cylinder 231. The limiting strip 233 is used to limit the rotation angle of the swivel blade 250 to prevent the swivel blade 250 from rotating excessively during rotation, thereby preventing damage to the swivel blade 250 from sudden external load changes and improving the service life of the device. In this embodiment, there are two limiting strips 233. Of course, other numbers can also be set, which are not limited here and are determined according to the actual rotation situation.

[0050] In this embodiment, the width of the crushing chamber can reach 1377mm, the rotation diameter of the swivel blade 250 is 206mm, and the clearance between the blade tip and the ground of the swivel blade 250 ranges from 16-35mm, which can be manually adjusted; the clearance between the blade tip and the cover 600mm of the swivel blade 250 is 10mm, and the clearance height of the swivel blade 250 is 30-56mm. Of course, these specific parameters can be adjusted and varied according to the actual application scenario, and are not limited here.

[0051] In summary, the crushing assembly 200 includes a mounting body 230, a swing shaft 240, multiple swing blades 250, and multiple first spacers 260. The swing shaft 240 is mounted on the mounting body 230; the multiple swing blades 250 are all sleeved on the swing shaft 240. When the sweeper truck 10 moves to another location and encounters steep slopes or uneven road surfaces, the swing blades 250 can rotate relative to the swing shaft 240 to avoid sudden loads, preventing damage to the swing blades 250 and extending the service life of the device. Furthermore, at least one first spacer 260 is provided between two adjacent swing blades 250, and the first spacer 260 is sleeved on the swing shaft 240. By providing the first spacer 260, the feeding space can be widened, thereby enhancing the crushing capacity. Its structure is also relatively simple. In addition, the first spacer 260 facilitates the installation of the swing blades 250, allows for gap adjustment, and compensates for manufacturing errors.

[0052] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A crushing component, characterized in that, include: The assembly comprises a mounting body (230), a spin shaft (240), multiple spin blades (250), and multiple first spacers (260), wherein the spin shaft (240) is mounted on the mounting body (230); the multiple spin blades (250) are all sleeved on the spin shaft (240); at least one first spacer (260) is provided between two adjacent spin blades (250), and the first spacer (260) is sleeved on the spin shaft (240).

2. The crushing component according to claim 1, characterized in that, The crushing assembly (200) further includes a second spacer (270) which is fitted onto the swivel shaft (240); at least two first spacers (260) are provided between at least two adjacent swivel blades (250), and the at least two first spacers (260) are spaced apart by the second spacers (270).

3. The crushing component according to claim 1, characterized in that, The mounting body (230) includes a cylindrical body (231) and two mounting structures (234) disposed at both ends of the cylindrical body (231); the number of the swing shafts (240) is two, and the two swing shafts (240) are symmetrically arranged around the cylindrical body (231).

4. The crushing component according to claim 3, characterized in that, The mounting body (230) also includes a plurality of fixing plates (232), which are spaced apart along the axial direction of the cylinder (231); each fixing plate (232) has a mounting hole (2321), all mounting holes (2321) are coaxial, and the swing shaft (240) passes through the mounting hole (2321).

5. The crushing component according to claim 4, characterized in that, The cylinder (231) is also provided with a limiting strip (233), which extends along the central axis of the cylinder (231) and is used to limit the rotation angle of the swivel blade (250).

6. The crushing component according to claim 1, characterized in that, The crushing assembly (200) further includes two mounting components (900), which are respectively disposed at both ends of the mounting body (230); each mounting component (900) includes a mounting plate (210) and a bearing seat (300), and the mounting body (230) is connected to the mounting plate (210) through the bearing seat (300); a shock-absorbing pad (400) is disposed between the bearing seat (300) and the mounting plate (210).

7. A suction nozzle crushing device, characterized in that, include: The nozzle assembly (100) and the crushing component (200) according to any one of claims 1-6, wherein the mounting body (230) is connected to the nozzle assembly (100).

8. The suction nozzle crushing device according to claim 7, characterized in that, The suction nozzle crushing device (1000) further includes a cover (600), which is hinged to the suction nozzle assembly (100). The cover (600) has a cavity (610) and an opening (620), and the crushing components (200) are all disposed in the cavity (610).

9. The suction nozzle crushing device according to claim 8, characterized in that, The nozzle crushing device (1000) further includes a connecting rod (700), one end of which is hinged to the nozzle assembly (100), and the other end of which is hinged to the vehicle body (2000); the connecting rod (700) is located above the cover (600); the connecting rod (700) has a curved section (710) that is recessed toward the cover (600) to avoid interference with the cover (600).

10. A sweeper truck, characterized in that, The device includes a vehicle body (2000) and a nozzle crushing device (1000) as described in any one of claims 7-9, wherein the nozzle crushing device (1000) is disposed on the vehicle body (2000).

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